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[tor-commits] [orbot/master] move jni code and VPN logic from app module to service



commit d2cf5453e2ec138bfe4f55f0224708f93d26146f
Author: Nathan Freitas <nathan@xxxxxxxxxxx>
Date:   Mon Sep 26 12:03:30 2016 -0400

    move jni code and VPN logic from app module to service
---
 app/src/main/AndroidManifest.xml                   |    12 +-
 .../org/torproject/android/OnBootReceiver.java     |     2 +-
 .../main/java/org/torproject/android/OrbotApp.java |    23 +-
 .../org/torproject/android/OrbotMainActivity.java  |     4 +-
 .../android/settings/SettingsPreferences.java      |     2 +-
 .../java/org/torproject/android/ui/AppManager.java |     4 +-
 .../android/ui/OrbotDiagnosticsActivity.java       |     3 +-
 .../torproject/android/vpn/OrbotVpnManager.java    |   452 -
 .../java/org/torproject/android/vpn/Tun2Socks.java |   126 -
 .../torproject/android/vpn/VPNEnableActivity.java  |     9 +-
 app/src/main/jni/Android.mk                        |   145 -
 app/src/main/jni/Application.mk                    |     5 -
 app/src/main/jni/libancillary/API                  |   139 -
 app/src/main/jni/libancillary/COPYING              |    21 -
 app/src/main/jni/libancillary/Makefile             |    73 -
 app/src/main/jni/libancillary/ancillary.h          |   131 -
 app/src/main/jni/libancillary/fd_recv.c            |    98 -
 app/src/main/jni/libancillary/fd_send.c            |    92 -
 app/src/main/jni/libancillary/test.c               |   112 -
 app/src/main/jni/pdnsd/AUTHORS                     |    58 -
 app/src/main/jni/pdnsd/COPYING                     |   674 --
 app/src/main/jni/pdnsd/COPYING.BSD                 |    26 -
 app/src/main/jni/pdnsd/ChangeLog                   |  3304 ------
 app/src/main/jni/pdnsd/ChangeLog.old               |   161 -
 app/src/main/jni/pdnsd/INSTALL                     |   190 -
 app/src/main/jni/pdnsd/Makefile.am                 |    40 -
 app/src/main/jni/pdnsd/Makefile.in                 |   734 --
 app/src/main/jni/pdnsd/NEWS                        |   324 -
 app/src/main/jni/pdnsd/PKGBUILD.in                 |    24 -
 app/src/main/jni/pdnsd/README                      |    22 -
 app/src/main/jni/pdnsd/README.par                  |   216 -
 app/src/main/jni/pdnsd/README.par.old              |   249 -
 app/src/main/jni/pdnsd/THANKS                      |    66 -
 app/src/main/jni/pdnsd/TODO                        |    20 -
 app/src/main/jni/pdnsd/acconfig.h                  |   191 -
 app/src/main/jni/pdnsd/aclocal.m4                  |  1021 --
 app/src/main/jni/pdnsd/compile                     |   142 -
 app/src/main/jni/pdnsd/config.h                    |   437 -
 app/src/main/jni/pdnsd/config.h.in                 |   430 -
 app/src/main/jni/pdnsd/configure                   | 11389 -------------------
 app/src/main/jni/pdnsd/configure.in                |   548 -
 app/src/main/jni/pdnsd/contrib/Makefile.am         |     2 -
 app/src/main/jni/pdnsd/contrib/Makefile.in         |   323 -
 app/src/main/jni/pdnsd/contrib/README              |    30 -
 .../jni/pdnsd/contrib/change_pdnsd_server_ip.pl    |   124 -
 app/src/main/jni/pdnsd/contrib/dhcp2pdnsd          |    45 -
 app/src/main/jni/pdnsd/contrib/pdnsd_dhcp.pl       |   246 -
 app/src/main/jni/pdnsd/depcomp                     |   530 -
 app/src/main/jni/pdnsd/file-list.base.in           |     5 -
 app/src/main/jni/pdnsd/install-sh                  |   323 -
 app/src/main/jni/pdnsd/missing                     |   360 -
 app/src/main/jni/pdnsd/pdnsd.spec.in               |   244 -
 app/src/main/jni/pdnsd/src/Makefile.am             |    24 -
 app/src/main/jni/pdnsd/src/Makefile.in             |   921 --
 app/src/main/jni/pdnsd/src/cache.c                 |  2731 -----
 app/src/main/jni/pdnsd/src/cache.h                 |   306 -
 app/src/main/jni/pdnsd/src/conf-keywords.h         |   238 -
 app/src/main/jni/pdnsd/src/conf-parser.c           |  2118 ----
 app/src/main/jni/pdnsd/src/conf-parser.h           |    29 -
 app/src/main/jni/pdnsd/src/conff.c                 |   544 -
 app/src/main/jni/pdnsd/src/conff.h                 |   190 -
 app/src/main/jni/pdnsd/src/consts.c                |   133 -
 app/src/main/jni/pdnsd/src/consts.h                |    69 -
 app/src/main/jni/pdnsd/src/debug.c                 |    64 -
 app/src/main/jni/pdnsd/src/debug.h                 |    52 -
 app/src/main/jni/pdnsd/src/dns.c                   |   617 -
 app/src/main/jni/pdnsd/src/dns.h                   |   309 -
 app/src/main/jni/pdnsd/src/dns_answer.c            |  2170 ----
 app/src/main/jni/pdnsd/src/dns_answer.h            |    40 -
 app/src/main/jni/pdnsd/src/dns_query.c             |  3798 -------
 app/src/main/jni/pdnsd/src/dns_query.h             |    51 -
 app/src/main/jni/pdnsd/src/error.c                 |   142 -
 app/src/main/jni/pdnsd/src/error.h                 |   115 -
 .../main/jni/pdnsd/src/freebsd_netinet_ip_icmp.h   |   187 -
 app/src/main/jni/pdnsd/src/hash.c                  |   322 -
 app/src/main/jni/pdnsd/src/hash.h                  |    83 -
 app/src/main/jni/pdnsd/src/helpers.c               |   795 --
 app/src/main/jni/pdnsd/src/helpers.h               |   319 -
 app/src/main/jni/pdnsd/src/icmp.c                  |   544 -
 app/src/main/jni/pdnsd/src/icmp.h                  |    43 -
 app/src/main/jni/pdnsd/src/ipvers.h                |   297 -
 app/src/main/jni/pdnsd/src/list.c                  |   171 -
 app/src/main/jni/pdnsd/src/list.h                  |   170 -
 app/src/main/jni/pdnsd/src/main.c                  |   710 --
 app/src/main/jni/pdnsd/src/make_rr_types_h.pl      |   309 -
 app/src/main/jni/pdnsd/src/netdev.c                |   363 -
 app/src/main/jni/pdnsd/src/netdev.h                |    32 -
 app/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.am   |    18 -
 app/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.in   |   470 -
 app/src/main/jni/pdnsd/src/pdnsd-ctl/pdnsd-ctl.c   |   799 --
 app/src/main/jni/pdnsd/src/pdnsd_assert.h          |    51 -
 .../main/jni/pdnsd/src/rc/ArchLinux/Makefile.am    |     7 -
 .../main/jni/pdnsd/src/rc/ArchLinux/Makefile.in    |   332 -
 app/src/main/jni/pdnsd/src/rc/ArchLinux/pdnsd.in   |    45 -
 app/src/main/jni/pdnsd/src/rc/Debian/Makefile.am   |     8 -
 app/src/main/jni/pdnsd/src/rc/Debian/Makefile.in   |   334 -
 app/src/main/jni/pdnsd/src/rc/Debian/pdnsd.in      |    52 -
 app/src/main/jni/pdnsd/src/rc/Makefile.am          |     5 -
 app/src/main/jni/pdnsd/src/rc/Makefile.in          |   526 -
 app/src/main/jni/pdnsd/src/rc/README               |   104 -
 app/src/main/jni/pdnsd/src/rc/RedHat/Makefile.am   |    12 -
 app/src/main/jni/pdnsd/src/rc/RedHat/Makefile.in   |   337 -
 app/src/main/jni/pdnsd/src/rc/RedHat/pdnsd.in      |    88 -
 .../main/jni/pdnsd/src/rc/Slackware/Makefile.am    |     3 -
 .../main/jni/pdnsd/src/rc/Slackware/Makefile.in    |   330 -
 .../main/jni/pdnsd/src/rc/Slackware/rc.pdnsd.in    |    74 -
 app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.am     |    22 -
 app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.in     |   345 -
 app/src/main/jni/pdnsd/src/rc/SuSE/pdnsd.in        |    68 -
 app/src/main/jni/pdnsd/src/rr_types.c              |   172 -
 app/src/main/jni/pdnsd/src/rr_types.h              |   536 -
 app/src/main/jni/pdnsd/src/rr_types.in             |    99 -
 app/src/main/jni/pdnsd/src/servers.c               |   856 --
 app/src/main/jni/pdnsd/src/servers.h               |    68 -
 app/src/main/jni/pdnsd/src/sort_namevalues.pl      |    25 -
 app/src/main/jni/pdnsd/src/status.c                |   824 --
 app/src/main/jni/pdnsd/src/status.h                |    59 -
 app/src/main/jni/pdnsd/src/test/Makefile.am        |    35 -
 app/src/main/jni/pdnsd/src/test/Makefile.in        |   464 -
 app/src/main/jni/pdnsd/src/test/if_up.c            |    36 -
 app/src/main/jni/pdnsd/src/test/is_local_addr.c    |    57 -
 app/src/main/jni/pdnsd/src/test/random.c           |    33 -
 app/src/main/jni/pdnsd/src/test/tping.c            |    59 -
 app/src/main/jni/pdnsd/src/thread.c                |    85 -
 app/src/main/jni/pdnsd/src/thread.h                |   143 -
 app/src/main/jni/pdnsd/version                     |     1 -
 .../torproject/android/service/DummyActivity.java  |    15 -
 .../java/org/torproject/android/service/Prefs.java |   135 -
 .../android/service/StartTorReceiver.java          |     2 +
 .../android/service/TorEventHandler.java           |     5 +-
 .../android/service/TorResourceInstaller.java      |   340 -
 .../org/torproject/android/service/TorService.java |    45 +-
 .../android/service/TorServiceUtils.java           |   184 -
 .../torproject/android/service/TorTransProxy.java  |   978 --
 .../torproject/android/service/TorifiedApp.java    |   139 -
 .../java/org/torproject/android/service/Utils.java |   100 -
 .../android/service/transproxy/TorTransProxy.java  |   983 ++
 .../android/service/transproxy/TorifiedApp.java    |   139 +
 .../android/service/util/DummyActivity.java        |    15 +
 .../org/torproject/android/service/util/Prefs.java |   132 +
 .../android/service/util/TorResourceInstaller.java |   344 +
 .../android/service/util/TorServiceUtils.java      |   182 +
 .../org/torproject/android/service/util/Utils.java |   100 +
 .../android/service/vpn/OrbotVpnManager.java       |   449 +
 .../android/service/vpn/TorVpnService.java         |    62 +
 .../torproject/android/service/vpn/Tun2Socks.java  |   126 +
 orbotservice/src/main/jni/Android.mk               |   145 +
 orbotservice/src/main/jni/Application.mk           |     5 +
 orbotservice/src/main/jni/libancillary/API         |   139 +
 orbotservice/src/main/jni/libancillary/COPYING     |    21 +
 orbotservice/src/main/jni/libancillary/Makefile    |    73 +
 orbotservice/src/main/jni/libancillary/ancillary.h |   131 +
 orbotservice/src/main/jni/libancillary/fd_recv.c   |    98 +
 orbotservice/src/main/jni/libancillary/fd_send.c   |    92 +
 orbotservice/src/main/jni/libancillary/test.c      |   112 +
 orbotservice/src/main/jni/pdnsd/AUTHORS            |    58 +
 orbotservice/src/main/jni/pdnsd/COPYING            |   674 ++
 orbotservice/src/main/jni/pdnsd/COPYING.BSD        |    26 +
 orbotservice/src/main/jni/pdnsd/ChangeLog          |  3304 ++++++
 orbotservice/src/main/jni/pdnsd/ChangeLog.old      |   161 +
 orbotservice/src/main/jni/pdnsd/INSTALL            |   190 +
 orbotservice/src/main/jni/pdnsd/Makefile.am        |    40 +
 orbotservice/src/main/jni/pdnsd/Makefile.in        |   734 ++
 orbotservice/src/main/jni/pdnsd/NEWS               |   324 +
 orbotservice/src/main/jni/pdnsd/PKGBUILD.in        |    24 +
 orbotservice/src/main/jni/pdnsd/README             |    22 +
 orbotservice/src/main/jni/pdnsd/README.par         |   216 +
 orbotservice/src/main/jni/pdnsd/README.par.old     |   249 +
 orbotservice/src/main/jni/pdnsd/THANKS             |    66 +
 orbotservice/src/main/jni/pdnsd/TODO               |    20 +
 orbotservice/src/main/jni/pdnsd/acconfig.h         |   191 +
 orbotservice/src/main/jni/pdnsd/aclocal.m4         |  1021 ++
 orbotservice/src/main/jni/pdnsd/compile            |   142 +
 orbotservice/src/main/jni/pdnsd/config.h           |   437 +
 orbotservice/src/main/jni/pdnsd/config.h.in        |   430 +
 orbotservice/src/main/jni/pdnsd/configure          | 11389 +++++++++++++++++++
 orbotservice/src/main/jni/pdnsd/configure.in       |   548 +
 .../src/main/jni/pdnsd/contrib/Makefile.am         |     2 +
 .../src/main/jni/pdnsd/contrib/Makefile.in         |   323 +
 orbotservice/src/main/jni/pdnsd/contrib/README     |    30 +
 .../jni/pdnsd/contrib/change_pdnsd_server_ip.pl    |   124 +
 orbotservice/src/main/jni/pdnsd/contrib/dhcp2pdnsd |    45 +
 .../src/main/jni/pdnsd/contrib/pdnsd_dhcp.pl       |   246 +
 orbotservice/src/main/jni/pdnsd/depcomp            |   530 +
 orbotservice/src/main/jni/pdnsd/file-list.base.in  |     5 +
 orbotservice/src/main/jni/pdnsd/install-sh         |   323 +
 orbotservice/src/main/jni/pdnsd/missing            |   360 +
 orbotservice/src/main/jni/pdnsd/pdnsd.spec.in      |   244 +
 orbotservice/src/main/jni/pdnsd/src/Makefile.am    |    24 +
 orbotservice/src/main/jni/pdnsd/src/Makefile.in    |   921 ++
 orbotservice/src/main/jni/pdnsd/src/cache.c        |  2731 +++++
 orbotservice/src/main/jni/pdnsd/src/cache.h        |   306 +
 .../src/main/jni/pdnsd/src/conf-keywords.h         |   238 +
 orbotservice/src/main/jni/pdnsd/src/conf-parser.c  |  2118 ++++
 orbotservice/src/main/jni/pdnsd/src/conf-parser.h  |    29 +
 orbotservice/src/main/jni/pdnsd/src/conff.c        |   544 +
 orbotservice/src/main/jni/pdnsd/src/conff.h        |   190 +
 orbotservice/src/main/jni/pdnsd/src/consts.c       |   133 +
 orbotservice/src/main/jni/pdnsd/src/consts.h       |    69 +
 orbotservice/src/main/jni/pdnsd/src/debug.c        |    64 +
 orbotservice/src/main/jni/pdnsd/src/debug.h        |    52 +
 orbotservice/src/main/jni/pdnsd/src/dns.c          |   617 +
 orbotservice/src/main/jni/pdnsd/src/dns.h          |   309 +
 orbotservice/src/main/jni/pdnsd/src/dns_answer.c   |  2170 ++++
 orbotservice/src/main/jni/pdnsd/src/dns_answer.h   |    40 +
 orbotservice/src/main/jni/pdnsd/src/dns_query.c    |  3798 +++++++
 orbotservice/src/main/jni/pdnsd/src/dns_query.h    |    51 +
 orbotservice/src/main/jni/pdnsd/src/error.c        |   142 +
 orbotservice/src/main/jni/pdnsd/src/error.h        |   115 +
 .../main/jni/pdnsd/src/freebsd_netinet_ip_icmp.h   |   187 +
 orbotservice/src/main/jni/pdnsd/src/hash.c         |   322 +
 orbotservice/src/main/jni/pdnsd/src/hash.h         |    83 +
 orbotservice/src/main/jni/pdnsd/src/helpers.c      |   795 ++
 orbotservice/src/main/jni/pdnsd/src/helpers.h      |   319 +
 orbotservice/src/main/jni/pdnsd/src/icmp.c         |   544 +
 orbotservice/src/main/jni/pdnsd/src/icmp.h         |    43 +
 orbotservice/src/main/jni/pdnsd/src/ipvers.h       |   297 +
 orbotservice/src/main/jni/pdnsd/src/list.c         |   171 +
 orbotservice/src/main/jni/pdnsd/src/list.h         |   170 +
 orbotservice/src/main/jni/pdnsd/src/main.c         |   710 ++
 .../src/main/jni/pdnsd/src/make_rr_types_h.pl      |   309 +
 orbotservice/src/main/jni/pdnsd/src/netdev.c       |   363 +
 orbotservice/src/main/jni/pdnsd/src/netdev.h       |    32 +
 .../src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.am   |    18 +
 .../src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.in   |   470 +
 .../src/main/jni/pdnsd/src/pdnsd-ctl/pdnsd-ctl.c   |   799 ++
 orbotservice/src/main/jni/pdnsd/src/pdnsd_assert.h |    51 +
 .../main/jni/pdnsd/src/rc/ArchLinux/Makefile.am    |     7 +
 .../main/jni/pdnsd/src/rc/ArchLinux/Makefile.in    |   332 +
 .../src/main/jni/pdnsd/src/rc/ArchLinux/pdnsd.in   |    45 +
 .../src/main/jni/pdnsd/src/rc/Debian/Makefile.am   |     8 +
 .../src/main/jni/pdnsd/src/rc/Debian/Makefile.in   |   334 +
 .../src/main/jni/pdnsd/src/rc/Debian/pdnsd.in      |    52 +
 orbotservice/src/main/jni/pdnsd/src/rc/Makefile.am |     5 +
 orbotservice/src/main/jni/pdnsd/src/rc/Makefile.in |   526 +
 orbotservice/src/main/jni/pdnsd/src/rc/README      |   104 +
 .../src/main/jni/pdnsd/src/rc/RedHat/Makefile.am   |    12 +
 .../src/main/jni/pdnsd/src/rc/RedHat/Makefile.in   |   337 +
 .../src/main/jni/pdnsd/src/rc/RedHat/pdnsd.in      |    88 +
 .../main/jni/pdnsd/src/rc/Slackware/Makefile.am    |     3 +
 .../main/jni/pdnsd/src/rc/Slackware/Makefile.in    |   330 +
 .../main/jni/pdnsd/src/rc/Slackware/rc.pdnsd.in    |    74 +
 .../src/main/jni/pdnsd/src/rc/SuSE/Makefile.am     |    22 +
 .../src/main/jni/pdnsd/src/rc/SuSE/Makefile.in     |   345 +
 .../src/main/jni/pdnsd/src/rc/SuSE/pdnsd.in        |    68 +
 orbotservice/src/main/jni/pdnsd/src/rr_types.c     |   172 +
 orbotservice/src/main/jni/pdnsd/src/rr_types.h     |   536 +
 orbotservice/src/main/jni/pdnsd/src/rr_types.in    |    99 +
 orbotservice/src/main/jni/pdnsd/src/servers.c      |   856 ++
 orbotservice/src/main/jni/pdnsd/src/servers.h      |    68 +
 .../src/main/jni/pdnsd/src/sort_namevalues.pl      |    25 +
 orbotservice/src/main/jni/pdnsd/src/status.c       |   824 ++
 orbotservice/src/main/jni/pdnsd/src/status.h       |    59 +
 .../src/main/jni/pdnsd/src/test/Makefile.am        |    35 +
 .../src/main/jni/pdnsd/src/test/Makefile.in        |   464 +
 orbotservice/src/main/jni/pdnsd/src/test/if_up.c   |    36 +
 .../src/main/jni/pdnsd/src/test/is_local_addr.c    |    57 +
 orbotservice/src/main/jni/pdnsd/src/test/random.c  |    33 +
 orbotservice/src/main/jni/pdnsd/src/test/tping.c   |    59 +
 orbotservice/src/main/jni/pdnsd/src/thread.c       |    85 +
 orbotservice/src/main/jni/pdnsd/src/thread.h       |   143 +
 orbotservice/src/main/jni/pdnsd/version            |     1 +
 262 files changed, 52485 insertions(+), 52431 deletions(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 038ee1e..2570737 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -63,7 +63,7 @@
         This is for ensuring the background service still runs when/if the app is swiped away
          -->
       	<activity
-			android:name=".service.DummyActivity"
+			android:name=".service.util.DummyActivity"
 			android:theme="@android:style/Theme.Translucent"
 			android:enabled="true"
 			android:allowTaskReparenting="true"
@@ -95,6 +95,16 @@
             android:stopWithTask="false" >
         </service>
 
+
+		<service
+			android:name=".service.vpn.TorVpnService"
+			android:enabled="true"
+			android:permission="android.permission.BIND_VPN_SERVICE" >
+			<intent-filter>
+				<action android:name="android.net.VpnService"/>
+			</intent-filter>
+		</service>
+
         <receiver
             android:name=".service.StartTorReceiver"
             android:exported="true">
diff --git a/app/src/main/java/org/torproject/android/OnBootReceiver.java b/app/src/main/java/org/torproject/android/OnBootReceiver.java
index 7b77c0b..91d6beb 100644
--- a/app/src/main/java/org/torproject/android/OnBootReceiver.java
+++ b/app/src/main/java/org/torproject/android/OnBootReceiver.java
@@ -5,7 +5,7 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 
-import org.torproject.android.service.Prefs;
+import org.torproject.android.service.util.Prefs;
 import org.torproject.android.service.TorService;
 import org.torproject.android.service.TorServiceConstants;
 import org.torproject.android.vpn.VPNEnableActivity;
diff --git a/app/src/main/java/org/torproject/android/OrbotApp.java b/app/src/main/java/org/torproject/android/OrbotApp.java
index b5ee192..3b1593f 100644
--- a/app/src/main/java/org/torproject/android/OrbotApp.java
+++ b/app/src/main/java/org/torproject/android/OrbotApp.java
@@ -1,19 +1,20 @@
 
 package org.torproject.android;
 
+import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.Application;
 import android.content.Intent;
 import android.content.res.Configuration;
+import android.net.VpnService;
+import android.os.Build;
 import android.util.Log;
 
 import org.torproject.android.service.OrbotConstants;
-import org.torproject.android.service.Prefs;
-import org.torproject.android.service.TorServiceConstants;
+import org.torproject.android.service.util.Prefs;
 
 import org.torproject.android.settings.Languages;
 
-import java.io.File;
 import java.util.Locale;
 
 public class OrbotApp extends Application implements OrbotConstants
@@ -21,6 +22,7 @@ public class OrbotApp extends Application implements OrbotConstants
 
     private Locale locale;
 
+    private OrbotVpnManager mVpnManager = null;
 
     @Override
     public void onCreate() {
@@ -33,6 +35,21 @@ public class OrbotApp extends Application implements OrbotConstants
 
     }
 
+    @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
+    public boolean startVPN (VpnService service, int port)
+    {
+
+        mVpnManager = new OrbotVpnManager(service);
+
+        Intent intent = new Intent();
+        intent.setAction("start");
+        intent.putExtra("torSocks", port);
+
+       //  mVpnManager.handleIntent(new VpnService.Builder(),intent);
+
+        return true;
+    }
+
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
diff --git a/app/src/main/java/org/torproject/android/OrbotMainActivity.java b/app/src/main/java/org/torproject/android/OrbotMainActivity.java
index c06b7da..c243c67 100644
--- a/app/src/main/java/org/torproject/android/OrbotMainActivity.java
+++ b/app/src/main/java/org/torproject/android/OrbotMainActivity.java
@@ -17,10 +17,10 @@ import java.util.StringTokenizer;
 
 import org.json.JSONArray;
 import org.torproject.android.service.OrbotConstants;
-import org.torproject.android.service.Prefs;
+import org.torproject.android.service.util.Prefs;
 import org.torproject.android.service.TorService;
 import org.torproject.android.service.TorServiceConstants;
-import org.torproject.android.service.TorServiceUtils;
+import org.torproject.android.service.util.TorServiceUtils;
 import org.torproject.android.settings.SettingsPreferences;
 import org.torproject.android.ui.ImageProgressView;
 import org.torproject.android.ui.PromoAppsActivity;
diff --git a/app/src/main/java/org/torproject/android/settings/SettingsPreferences.java b/app/src/main/java/org/torproject/android/settings/SettingsPreferences.java
index c26580f..00fd251 100644
--- a/app/src/main/java/org/torproject/android/settings/SettingsPreferences.java
+++ b/app/src/main/java/org/torproject/android/settings/SettingsPreferences.java
@@ -19,7 +19,7 @@ import android.preference.PreferenceActivity;
 import org.torproject.android.OrbotApp;
 import org.torproject.android.R;
 import org.torproject.android.ui.AppManager;
-import org.torproject.android.service.TorServiceUtils;
+import org.torproject.android.service.util.TorServiceUtils;
 
 import java.util.Locale;
 
diff --git a/app/src/main/java/org/torproject/android/ui/AppManager.java b/app/src/main/java/org/torproject/android/ui/AppManager.java
index 7a1faa1..82a20b3 100644
--- a/app/src/main/java/org/torproject/android/ui/AppManager.java
+++ b/app/src/main/java/org/torproject/android/ui/AppManager.java
@@ -12,8 +12,8 @@ import java.util.StringTokenizer;
 
 import org.torproject.android.service.OrbotConstants;
 import org.torproject.android.R;
-import org.torproject.android.service.TorServiceUtils;
-import org.torproject.android.service.TorifiedApp;
+import org.torproject.android.service.util.TorServiceUtils;
+import org.torproject.android.service.transproxy.TorifiedApp;
 
 import android.app.Activity;
 import android.content.Context;
diff --git a/app/src/main/java/org/torproject/android/ui/OrbotDiagnosticsActivity.java b/app/src/main/java/org/torproject/android/ui/OrbotDiagnosticsActivity.java
index 061e1ea..63c5437 100644
--- a/app/src/main/java/org/torproject/android/ui/OrbotDiagnosticsActivity.java
+++ b/app/src/main/java/org/torproject/android/ui/OrbotDiagnosticsActivity.java
@@ -5,10 +5,9 @@ import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
-import java.util.ArrayList;
 
 import org.torproject.android.R;
-import org.torproject.android.service.TorResourceInstaller;
+import org.torproject.android.service.util.TorResourceInstaller;
 import org.torproject.android.service.TorServiceConstants;
 
 import android.app.Activity;
diff --git a/app/src/main/java/org/torproject/android/vpn/OrbotVpnManager.java b/app/src/main/java/org/torproject/android/vpn/OrbotVpnManager.java
deleted file mode 100644
index 8a5ac7e..0000000
--- a/app/src/main/java/org/torproject/android/vpn/OrbotVpnManager.java
+++ /dev/null
@@ -1,452 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.torproject.android.vpn;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.PrintStream;
-import java.net.InetAddress;
-import java.util.ArrayList;
-import java.util.concurrent.TimeoutException;
-
-import org.torproject.android.OrbotApp;
-import org.torproject.android.R;
-import org.torproject.android.service.TorService;
-import org.torproject.android.service.TorServiceConstants;
-import org.torproject.android.service.TorServiceUtils;
-import org.torproject.android.service.TorifiedApp;
-import org.torproject.android.ui.AppManager;
-
-import android.annotation.TargetApi;
-import android.app.Application;
-import android.app.PendingIntent;
-import android.app.Service;
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.pm.PackageManager.NameNotFoundException;
-import android.net.VpnService;
-import android.net.VpnService.Builder;
-import android.os.Build;
-import android.os.Handler;
-import android.os.Message;
-import android.os.ParcelFileDescriptor;
-import android.util.Log;
-import android.widget.Toast;
-
-import com.runjva.sourceforge.jsocks.protocol.ProxyServer;
-import com.runjva.sourceforge.jsocks.server.ServerAuthenticatorNone;
-
-@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
-public class OrbotVpnManager implements Handler.Callback {
-    private static final String TAG = "OrbotVpnService";
-
-    private PendingIntent mConfigureIntent;
-
-    private Thread mThreadVPN;
-
-    private String mSessionName = "OrbotVPN";
-    private ParcelFileDescriptor mInterface;
-
-    private int mTorSocks = TorServiceConstants.SOCKS_PROXY_PORT_DEFAULT;
-    
-    public static int sSocksProxyServerPort = -1;
-    public static String sSocksProxyLocalhost = null;
-    private ProxyServer mSocksProxyServer;
-   
-    
-    private final static int VPN_MTU = 1500;
-    
-    private final static boolean mIsLollipop = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
-    
-    //this is the actual DNS server we talk to over UDP or TCP (now using Tor's DNS port)
-    private final static String DEFAULT_ACTUAL_DNS_HOST = "127.0.0.1";
-    private final static int DEFAULT_ACTUAL_DNS_PORT = TorServiceConstants.TOR_DNS_PORT_DEFAULT;
-    
-    private boolean isRestart = false;
-    
-    private VpnService mService;
-    
-
-    static{
-    	  System.loadLibrary("tun2socks");
-    	}
-    
-    public OrbotVpnManager (VpnService service)
-    {
-    	mService = service;
-    }
-   
-    //public int onStartCommand(Intent intent, int flags, int startId) {
-    public int handleIntent(Builder builder, Intent intent) {
-
-    	if (intent != null)
-    	{
-	    	String action = intent.getAction();
-	    	
-	    	if (action.equals("start"))
-	    	{
-		
-		        // Stop the previous session by interrupting the thread.
-		        if (mThreadVPN == null || (!mThreadVPN.isAlive()))
-		        {
-		        	Log.d(TAG,"starting OrbotVPNService service!");
-		        	
-		        	mTorSocks = intent.getIntExtra("torSocks", TorServiceConstants.SOCKS_PROXY_PORT_DEFAULT);
-			    	
-		        	if (!mIsLollipop)
-		        	{
-	
-		        		startSocksBypass();
-		        	}
-		        	
-		            setupTun2Socks(builder);               
-		        }
-	    	}
-	    	else if (action.equals("stop"))
-	    	{
-	    		Log.d(TAG,"stop OrbotVPNService service!");
-	    		
-	    		stopVPN();    		
-	    		//if (mHandler != null)
-	    			//mHandler.postDelayed(new Runnable () { public void run () { stopSelf(); }}, 1000);
-	    	}
-	    	else if (action.equals("refresh"))
-	    	{
-	    		Log.d(TAG,"refresh OrbotVPNService service!");
-	    		
-	    		if (!mIsLollipop)
-	    		  startSocksBypass();
-	    		
-	    		if (!isRestart)
-	    			setupTun2Socks(builder);
-	    	}
-    	}
-     
-        
-        return Service.START_STICKY;
-    }
-  
-    private void startSocksBypass()
-    {
-       
-    	new Thread ()
-    	{
-    		
-    		public void run ()
-    		{
-
-                //generate the proxy port that the 
-                if (sSocksProxyServerPort == -1)
-                {
-                	try {
-						
-                		sSocksProxyLocalhost = "127.0.0.1";// InetAddress.getLocalHost().getHostAddress();
-	                	sSocksProxyServerPort = (int)((Math.random()*1000)+10000); 
-	                	
-					} catch (Exception e) {
-						Log.e(TAG,"Unable to access localhost",e);
-						throw new RuntimeException("Unable to access localhost: " + e);
-						
-					}
-                	
-                }
-                
-                
-		    	if (mSocksProxyServer != null)
-		    	{
-		    		stopSocksBypass ();
-		    	}
-
-		    	try
-		    	{
-			        mSocksProxyServer = new ProxyServer(new ServerAuthenticatorNone(null, null));
-			        ProxyServer.setVpnService(mService);
-			        mSocksProxyServer.start(sSocksProxyServerPort, 5, InetAddress.getLocalHost());
-			        
-		    	}
-		    	catch (Exception e)
-		    	{
-		    		Log.e(TAG,"error getting host",e);
-		    	}
-    		}
-    	}.start();
-       
-    }
-
-    private synchronized void stopSocksBypass ()
-    {
-
-        if (mSocksProxyServer != null){
-            mSocksProxyServer.stop();
-            mSocksProxyServer = null;
-        }
-        
-        
-    }
-    
-    /**
-    @Override
-	public void onCreate() {
-		super.onCreate();
-		
-		// Set the locale to English (or probably any other language that^M
-        // uses Hindu-Arabic (aka Latin) numerals).^M
-        // We have found that VpnService.Builder does something locale-dependent^M
-        // internally that causes errors when the locale uses its own numerals^M
-        // (i.e., Farsi and Arabic).^M
-		Locale.setDefault(new Locale("en"));
-		
-	}
-
-
-	@Override
-    public void onDestroy() {
-    	stopVPN();
-    }*/
-    
-    private void stopVPN ()
-    {
-    	if (mIsLollipop)
-    		stopSocksBypass ();
-        
-        if (mInterface != null){
-            try
-            {
-            	Log.d(TAG,"closing interface, destroying VPN interface");
-                
-        		mInterface.close();
-        		mInterface = null;
-            	
-            }
-            catch (Exception e)
-            {
-                Log.d(TAG,"error stopping tun2socks",e);
-            }
-            catch (Error e)
-            {
-                Log.d(TAG,"error stopping tun2socks",e);
-            }   
-        }
-        
-        Tun2Socks.Stop();
-        
-        try {
-        	TorServiceUtils.killProcess(filePdnsd);
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-        
-        mThreadVPN = null;
-        
-
-    }
-
-    @Override
-    public boolean handleMessage(Message message) {
-        if (message != null) {
-            Toast.makeText(mService, message.what, Toast.LENGTH_SHORT).show();
-        }
-        return true;
-    }
-
-  
-    private synchronized void setupTun2Socks(final Builder builder)  {
-
-    	
-        if (mInterface != null) //stop tun2socks now to give it time to clean up
-        {
-        	isRestart = true;
-        	Tun2Socks.Stop();
-        }
-        
-    	mThreadVPN = new Thread ()
-    	{
-    		
-    		public void run ()
-    		{
-	    		try
-		        {
-	    			
-	    			if (isRestart)
-	    			{
-	    				Log.d(TAG,"is a restart... let's wait for a few seconds");
-			        	Thread.sleep(3000);
-	    			}
-	    			
-	    			//start PDNSD daemon pointing to actual DNS
-	    			startDNS(DEFAULT_ACTUAL_DNS_HOST,DEFAULT_ACTUAL_DNS_PORT);
-	    			
-		    		final String vpnName = "OrbotVPN";
-		    		final String localhost = "127.0.0.1";
-
-		    		final String virtualGateway = "10.10.10.1";
-		    		final String virtualIP = "10.10.10.2";
-		    		final String virtualNetMask = "255.255.255.0";
-		    		final String dummyDNS = "8.8.8.8"; //this is intercepted by the tun2socks library, but we must put in a valid DNS to start
-		    		final String defaultRoute = "0.0.0.0";
-		    		
-		    		final String localSocks = localhost + ':'
-		    		        + String.valueOf(mTorSocks);
-		    		
-		    		final String localDNS = virtualGateway + ':' + "8091";//String.valueOf(TorServiceConstants.TOR_DNS_PORT_DEFAULT);
-		    		final boolean localDnsTransparentProxy = true;
-		        	
-			        builder.setMtu(VPN_MTU);
-			        builder.addAddress(virtualGateway,32);
-			        
-			        builder.setSession(vpnName);		        
-
-			        builder.addDnsServer(dummyDNS);
-			        builder.addRoute(dummyDNS,32);
-				        
-			        //route all traffic through VPN (we might offer country specific exclude lists in the future)
-			        builder.addRoute(defaultRoute,0);	
-			        
-			        //handle ipv6
-			        //builder.addAddress("fdfe:dcba:9876::1", 126);
-					//builder.addRoute("::", 0);
-			        
-			        if (mIsLollipop)			        
-			        	doLollipopAppRouting(builder);			        
-
-			         // Create a new interface using the builder and save the parameters.
-			        ParcelFileDescriptor newInterface = builder.setSession(mSessionName)
-			                .setConfigureIntent(mConfigureIntent)
-			                .establish();
-		
-			        if (mInterface != null)
-			        {
-			        	Log.d(TAG,"Stopping existing VPN interface");
-			        	mInterface.close();
-			        	mInterface = null;
-			        }
-
-		        	mInterface = newInterface;
-			        
-		        	Tun2Socks.Start(mInterface, VPN_MTU, virtualIP, virtualNetMask, localSocks , localDNS , localDnsTransparentProxy);
-		        	
-		        	isRestart = false;
-		        	
-		        }
-		        catch (Exception e)
-		        {
-		        	Log.d(TAG,"tun2Socks has stopped",e);
-		        }
-	    	}
-    		
-    	};
-    	
-    	mThreadVPN.start();
-    	
-    }
-    
-    
-    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
-	private void doLollipopAppRouting (Builder builder) throws NameNotFoundException
-    {    
-    	   
-        ArrayList<TorifiedApp> apps = AppManager.getApps(mService, TorServiceUtils.getSharedPrefs(mService.getApplicationContext()));
-    
-        boolean perAppEnabled = false;
-        
-        for (TorifiedApp app : apps)
-        {
-        	if (app.isTorified() && (!app.getPackageName().equals(mService.getPackageName())))
-        	{
-        		builder.addAllowedApplication(app.getPackageName());
-        		perAppEnabled = true;
-        	}
-        	
-        }
-    
-        if (!perAppEnabled)
-        	builder.addDisallowedApplication(mService.getPackageName());
-    
-    }
-    
-    
-    public void onRevoke() {
-    
-    	Log.w(TAG,"VPNService REVOKED!");
-    	
-    	if (!isRestart)
-    	{
-	    	SharedPreferences prefs = TorServiceUtils.getSharedPrefs(mService.getApplicationContext()); 
-	        prefs.edit().putBoolean("pref_vpn", false).commit();      
-	    	stopVPN();	
-    	}
-    	
-    	isRestart = false;
-    	
-    	//super.onRevoke();
-    
-    }
-
-    File filePdnsd = null;
-
-    private void startDNS (String dns, int port) throws IOException, TimeoutException
-    {
-		File filePdnsd = null;//getDir(TorServiceConstants.DIRECTORY_TOR_BINARY, Application.MODE_PRIVATE);
-
-    	makePdnsdConf(mService, dns, port,filePdnsd.getParentFile() );
-    	
-        ArrayList<String> customEnv = new ArrayList<String>();
-    	String baseDirectory = filePdnsd.getParent();
-
-        String cmdString = "sh " + filePdnsd.getCanonicalPath() +
-        		" -c " + baseDirectory + "/pdnsd.conf";
-
-		Process proc = Runtime.getRuntime().exec(cmdString);
-		try { proc.waitFor();} catch (Exception e){}
-
-        Log.i(TAG,"PDNSD: " + proc.exitValue());
-        
-    }
-    
-    public static void makePdnsdConf(Context context, String dns, int port, File fileDir) throws FileNotFoundException {
-        String conf = String.format(context.getString(R.string.pdnsd_conf), dns, port);
-
-        File f = new File(fileDir,"pdnsd.conf");
-
-        if (f.exists()) {
-                f.delete();
-        }
-
-        FileOutputStream fos = new FileOutputStream(f, false);
-    	PrintStream ps = new PrintStream(fos);
-    	ps.print(conf);
-    	ps.close();
-    	
-        //f.withWriter { out -> out.print conf };
-        
-        
-        File cache = new File(fileDir,"pdnsd.cache");
-
-        if (!cache.exists()) {
-                try {
-                        cache.createNewFile();
-                } catch (Exception e) {
-
-                }
-        }
-}
-
-    
-}
diff --git a/app/src/main/java/org/torproject/android/vpn/Tun2Socks.java b/app/src/main/java/org/torproject/android/vpn/Tun2Socks.java
deleted file mode 100644
index a7c638e..0000000
--- a/app/src/main/java/org/torproject/android/vpn/Tun2Socks.java
+++ /dev/null
@@ -1,126 +0,0 @@
-package org.torproject.android.vpn;
-
-/*
- * Copyright (c) 2013, Psiphon Inc.
- * All rights reserved.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-import java.net.DatagramSocket;
-import java.net.Socket;
-
-import android.annotation.TargetApi;
-import android.os.Build;
-import android.os.ParcelFileDescriptor;
-import android.util.Log;
-
-@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
-public class Tun2Socks
-{
-    public static interface IProtectSocket
-    {
-        boolean doVpnProtect(Socket socket);
-        boolean doVpnProtect(DatagramSocket socket);
-    };
-
-    private static final String TAG = Tun2Socks.class.getSimpleName();
-    private static final boolean LOGD = true;
-
-    private static Thread mThread;
-    private static ParcelFileDescriptor mVpnInterfaceFileDescriptor;
-    private static int mVpnInterfaceMTU;
-    private static String mVpnIpAddress;
-    private static String mVpnNetMask;
-    private static String mSocksServerAddress;
-    private static String mUdpgwServerAddress;
-    private static boolean mUdpgwTransparentDNS;
-    
-    // Note: this class isn't a singleton, but you can't run more
-    // than one instance due to the use of global state (the lwip
-    // module, etc.) in the native code.
-    
-    private static boolean mLibLoaded = false;
-    
-    public static void Start(
-            ParcelFileDescriptor vpnInterfaceFileDescriptor,
-            int vpnInterfaceMTU,
-            String vpnIpAddress,
-            String vpnNetMask,
-            String socksServerAddress,
-            String udpgwServerAddress,
-            boolean udpgwTransparentDNS)
-    {
-        
-        if (!mLibLoaded)
-        {
-            System.loadLibrary("tun2socks");
-            mLibLoaded = true;
-        }
-
-        mVpnInterfaceFileDescriptor = vpnInterfaceFileDescriptor;
-        mVpnInterfaceMTU = vpnInterfaceMTU;
-        mVpnIpAddress = vpnIpAddress;
-        mVpnNetMask = vpnNetMask;
-        mSocksServerAddress = socksServerAddress;
-        mUdpgwServerAddress = udpgwServerAddress;
-        mUdpgwTransparentDNS = udpgwTransparentDNS;
-
-        if (mVpnInterfaceFileDescriptor != null)
-            runTun2Socks(
-                    mVpnInterfaceFileDescriptor.detachFd(),
-                    mVpnInterfaceMTU,
-                    mVpnIpAddress,
-                    mVpnNetMask,
-                    mSocksServerAddress,
-                    mUdpgwServerAddress,
-                    mUdpgwTransparentDNS ? 1 : 0);
-    }
-    
-    public static void Stop()
-    {
-       
-        terminateTun2Socks();
-    
-    }
-
-    public static void logTun2Socks(
-            String level,
-            String channel,
-            String msg)
-    {
-        String logMsg = level + "(" + channel + "): " + msg;
-        if (0 == level.compareTo("ERROR"))
-        {
-            Log.e(TAG, logMsg);
-        }
-        else
-        {
-            if (LOGD) Log.d(TAG, logMsg);
-        }
-    }
-
-    private native static int runTun2Socks(
-            int vpnInterfaceFileDescriptor,
-            int vpnInterfaceMTU,
-            String vpnIpAddress,
-            String vpnNetMask,
-            String socksServerAddress,
-            String udpgwServerAddress,
-            int udpgwTransparentDNS);
-
-    private native static void terminateTun2Socks();
-    
-}
\ No newline at end of file
diff --git a/app/src/main/java/org/torproject/android/vpn/VPNEnableActivity.java b/app/src/main/java/org/torproject/android/vpn/VPNEnableActivity.java
index 427c937..6bbae30 100644
--- a/app/src/main/java/org/torproject/android/vpn/VPNEnableActivity.java
+++ b/app/src/main/java/org/torproject/android/vpn/VPNEnableActivity.java
@@ -1,7 +1,7 @@
 package org.torproject.android.vpn;
 
 import org.torproject.android.R;
-import org.torproject.android.service.Prefs;
+import org.torproject.android.service.util.Prefs;
 import org.torproject.android.service.TorService;
 import org.torproject.android.service.TorServiceConstants;
 
@@ -12,15 +12,10 @@ import android.app.Dialog;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.net.VpnService;
-import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
 import android.view.Window;
-import android.view.WindowManager;
-import android.widget.TextView;
 
 /*
  * To combat background service being stopped/swiped
@@ -161,6 +156,8 @@ public class VPNEnableActivity extends Activity {
 			Intent torService = new Intent(this, TorService.class);    
 			torService.setAction(action);
 			startService(torService);
+
+
 		}
     
 }
diff --git a/app/src/main/jni/Android.mk b/app/src/main/jni/Android.mk
deleted file mode 100644
index c4448db..0000000
--- a/app/src/main/jni/Android.mk
+++ /dev/null
@@ -1,145 +0,0 @@
-# Copyright (C) 2009 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-#
-LOCAL_PATH := $(call my-dir)
-ROOT_PATH := $(LOCAL_PATH)
-EXTERN_PATH := $(LOCAL_PATH)/../../../../external
-
-########################################################
-## pdnsd library
-########################################################
-
-include $(CLEAR_VARS)
-
-PDNSD_SOURCES  := $(wildcard $(LOCAL_PATH)/pdnsd/src/*.c)
-
-LOCAL_MODULE    := pdnsd
-LOCAL_SRC_FILES := $(PDNSD_SOURCES:$(LOCAL_PATH)/%=%)
-LOCAL_CFLAGS    := -Wall -O2 -I$(LOCAL_PATH)/pdnsd -DHAVE_STPCPY
-
-include $(BUILD_EXECUTABLE)
-
-########################################################
-## libancillary
-########################################################
-
-include $(CLEAR_VARS)
-
-ANCILLARY_SOURCE := fd_recv.c fd_send.c
-
-LOCAL_MODULE := libancillary
-LOCAL_CFLAGS := -O2 -I$(LOCAL_PATH)/libancillary
-
-LOCAL_SRC_FILES := $(addprefix libancillary/, $(ANCILLARY_SOURCE))
-
-include $(BUILD_STATIC_LIBRARY)
-
-
-########################################################
-## tun2socks
-########################################################
-
-include $(CLEAR_VARS)
-
-LOCAL_CFLAGS := -std=gnu99
-LOCAL_CFLAGS += -DBADVPN_THREADWORK_USE_PTHREAD -DBADVPN_LINUX -DBADVPN_BREACTOR_BADVPN -D_GNU_SOURCE
-LOCAL_CFLAGS += -DBADVPN_USE_SELFPIPE -DBADVPN_USE_EPOLL
-LOCAL_CFLAGS += -DBADVPN_LITTLE_ENDIAN -DBADVPN_THREAD_SAFE
-LOCAL_CFLAGS += -DNDEBUG -DANDROID
-LOCAL_CFLAGS += -DTUN2SOCKS_JNI
-LOCAL_CFLAGS += -DPSIPHON
-
-LOCAL_STATIC_LIBRARIES := libancillary
-
-LOCAL_C_INCLUDES:= \
-		$(LOCAL_PATH)/libancillary \
-        $(EXTERN_PATH)/badvpn/ \
-        $(EXTERN_PATH)/badvpn/lwip/src/include/ipv4 \
-        $(EXTERN_PATH)/badvpn/lwip/src/include/ipv6 \
-        $(EXTERN_PATH)/badvpn/lwip/src/include \
-        $(EXTERN_PATH)/badvpn/lwip/custom \
-
-TUN2SOCKS_SOURCES := \
-        base/BLog_syslog.c \
-        system/BReactor_badvpn.c \
-        system/BSignal.c \
-        system/BConnection_unix.c \
-        system/BTime.c \
-        system/BUnixSignal.c \
-        system/BNetwork.c \
-        flow/StreamRecvInterface.c \
-        flow/PacketRecvInterface.c \
-        flow/PacketPassInterface.c \
-        flow/StreamPassInterface.c \
-        flow/SinglePacketBuffer.c \
-        flow/BufferWriter.c \
-        flow/PacketBuffer.c \
-        flow/PacketStreamSender.c \
-        flow/PacketPassConnector.c \
-        flow/PacketProtoFlow.c \
-        flow/PacketPassFairQueue.c \
-        flow/PacketProtoEncoder.c \
-        flow/PacketProtoDecoder.c \
-        socksclient/BSocksClient.c \
-        tuntap/BTap.c \
-        lwip/src/core/timers.c \
-        lwip/src/core/udp.c \
-        lwip/src/core/memp.c \
-        lwip/src/core/init.c \
-        lwip/src/core/pbuf.c \
-        lwip/src/core/tcp.c \
-        lwip/src/core/tcp_out.c \
-        lwip/src/core/netif.c \
-        lwip/src/core/def.c \
-        lwip/src/core/mem.c \
-        lwip/src/core/tcp_in.c \
-        lwip/src/core/stats.c \
-        lwip/src/core/inet_chksum.c \
-        lwip/src/core/ipv4/icmp.c \
-        lwip/src/core/ipv4/igmp.c \
-        lwip/src/core/ipv4/ip4_addr.c \
-        lwip/src/core/ipv4/ip_frag.c \
-        lwip/src/core/ipv4/ip4.c \
-        lwip/src/core/ipv4/autoip.c \
-        lwip/src/core/ipv6/ethip6.c \
-        lwip/src/core/ipv6/inet6.c \
-        lwip/src/core/ipv6/ip6_addr.c \
-        lwip/src/core/ipv6/mld6.c \
-        lwip/src/core/ipv6/dhcp6.c \
-        lwip/src/core/ipv6/icmp6.c \
-        lwip/src/core/ipv6/ip6.c \
-        lwip/src/core/ipv6/ip6_frag.c \
-        lwip/src/core/ipv6/nd6.c \
-        lwip/custom/sys.c \
-        tun2socks/tun2socks.c \
-        base/DebugObject.c \
-        base/BLog.c \
-        base/BPending.c \
-		system/BDatagram_unix.c \
-        flowextra/PacketPassInactivityMonitor.c \
-        tun2socks/SocksUdpGwClient.c \
-        udpgw_client/UdpGwClient.c
-
-LOCAL_MODULE := tun2socks
-
-LOCAL_LDLIBS := -ldl -llog
-
-LOCAL_SRC_FILES := $(addprefix ../../../../external/badvpn/, $(TUN2SOCKS_SOURCES))
-
-##include $(BUILD_EXECUTABLE)
-include $(BUILD_SHARED_LIBRARY)
-
-# Import cpufeatures
-$(call import-module,android/cpufeatures)
diff --git a/app/src/main/jni/Application.mk b/app/src/main/jni/Application.mk
deleted file mode 100644
index 2fab495..0000000
--- a/app/src/main/jni/Application.mk
+++ /dev/null
@@ -1,5 +0,0 @@
-#APP_ABI      			:= armeabi x86
-APP_ABI      			:= armeabi
-APP_PLATFORM 			:= android-10
-APP_STL      			:= stlport_static
-NDK_TOOLCHAIN_VERSION 	:= 4.8
diff --git a/app/src/main/jni/libancillary/API b/app/src/main/jni/libancillary/API
deleted file mode 100644
index b558995..0000000
--- a/app/src/main/jni/libancillary/API
+++ /dev/null
@@ -1,139 +0,0 @@
-  This library provide an easy interface to the black magic that can be done
-  on Unix domain sockets, like passing file descriptors from one process to
-  another.
-
-  Programs that uses this library should include the ancillary.h header file.
-  Nothing else is required.
-
-  All functions of this library require the following header:
-
-	#include <ancillary.h>
-
-  At this time, the only ancillary data defined by the Single Unix
-  Specification (v3) is file descriptors.
-
-Passing file descriptors
-
-	int ancil_send_fd(socket, file_descriptor)
-	  int socket: the Unix socket
-	  int file_descriptor: the file descriptor
-	  Return value: 0 for success, -1 for failure.
-
-  Sends one file descriptor on a socket.
-  In case of failure, errno is set; the possible values are the ones of the
-  sendmsg(2) system call.
-
-
-	int ancil_recv_fd(socket, file_descriptor)
-	  int socket: the Unix socket
-	  int *file_descriptor: pointer to the returned file descriptor
-	  Return value: 0 for success, -1 for failure
-
-  Receives one file descriptor from a socket.
-  In case of success, the file descriptor is stored in the integer pointed
-  to by file_descriptor.
-  In case of failure, errno is set; the possible values are the ones of the
-  recvmsg(2) system call.
-  The behavior is undefined if the recv_fd does not match a send_fd* on the
-  other side.
-
-
-	int ancil_send_fds(socket, file_descriptors, num_file_descriptors)
-	  int socket: the Unix socket
-	  const int *file_descriptors: array of file descriptors
-	  unsigned num_file_descriptors: number of file descriptors
-	  Return value: 0 for success, -1 for failure
-
-  Sends several file descriptors on a socket.
-  In case of failure, errno is set; the possible values are the ones of the
-  sendmsg(2) system call.
-  The maximum number of file descriptors that can be sent using this
-  function is ANCIL_MAX_N_FDS; the behavior is undefined in case of
-  overflow, probably a stack corruption.
-
-
-	int ancil_recv_fds(socket, file_descriptors, num_file_descriptors)
-	  int socket: the Unix socket
-	  int *file_descriptors: return array of file descriptors
-	  unsigned num_file_descriptors: number of file descriptors
-	  Return value: number of received fd for success, -1 for failure
-
-  Receives several file descriptors from a socket, no more than
-  num_file_descriptors.
-  In case of success, the received file descriptors are stored in the array
-  pointed to by file_descriptors.
-  In case of failure, errno is set; the possible values are the ones of the
-  recvmsg(2) system call.
-  The maximum number of file descriptors that can be received using this
-  function is ANCIL_MAX_N_FDS; the behavior is undefined in case of
-  overflow, probably a stack corruption.
-  The behavior is undefined if the recv_fds does not match a send_fd* on
-  the other side, or if the number of received file descriptors is more than
-  num_file_descriptors.
-
-
-	int ancil_send_fds_with_buffer(socket, fds, num, buffer)
-	  int socket: the Unix socket
-	  const int *fds: array of file descriptors
-	  unsigned num: number of file descriptors
-	  void *buffer: buffer to hold the system data structures
-	  Return value: 0 for success, -1 for failure
-
-  Sends several file descriptors on a socket.
-  In case of failure, errno is set; the possible values are the ones of the
-  sendmsg(2) system call.
-  The buffer argument must point to a memory area large enough to hold the
-  system data structures, see ANCIL_FD_BUFFER.
-
-
-	int ancil_send_fds_with_buffer(socket, fds, num, buffer)
-	  int socket: the Unix socket
-	  int *fds: return array of file descriptors
-	  unsigned num: number of file descriptors
-	  void *buffer: buffer to hold the system data structures
-	  Return value: number of received fd for success, -1 for failure
-
-  Receives several file descriptors from a socket, no more than
-  num_file_descriptors.
-  In case of success, the received file descriptors are stored in the array
-  pointed to by file_descriptors.
-  In case of failure, errno is set; the possible values are the ones of the
-  recvmsg(2) system call.
-  The behavior is undefined if the recv_fds does not match a send_fd* on
-  the other side, or if the number of received file descriptors is more than
-  num_file_descriptors.
-  The buffer argument must point to a memory area large enough to hold the
-  system data structures, see ANCIL_FD_BUFFER.
-
-
-	ANCIL_MAX_N_FDS
-
-  Maximum number of file descriptors that can be sent with the sent_fds and
-  recv_fds functions. If you have to send more at once, use the
-  *_with_buffer versions. The value is enough to send "quite a few" file
-  descriptors.
-
-
-	ANCIL_FD_BUFFER(n)
-	  int n: number of file descriptors
-
-  Expands to a structure data type large enough to hold the system data
-  structures for n file descriptors. So the address of a variable declared
-  of type ANCIL_FD_BUFFER(n) is suitable as the buffer argument for
-  *_with_buffer on n file descriptors.
-  To use this macro, you need <sys/types.h> and <sys/socket.h>. Bevare: with
-  Solaris, the _XPG4_2 macro must be defined before sys/socket is included.
-
-
-Tuning the compilation
-
-  This library is designed to be included in projects, not installed in
-  /usr/lib. If your project does not use some of the functions, the
-  TUNE_OPTS variable in the Makefile allows not to build them. It is a list
-  of proprocessor options:
-
-  -DNDEBUG: turn assertions off (see assert(3))
-  -DSPARE_SEND_FDS: do not build ancil_send_fds
-  -DSPARE_SEND_FD:  do not build ancil_send_fd
-  -DSPARE_RECV_FDS: do not build ancil_recv_fds
-  -DSPARE_RECV_FD:  do not build ancil_recv_fd
diff --git a/app/src/main/jni/libancillary/COPYING b/app/src/main/jni/libancillary/COPYING
deleted file mode 100644
index 5bcd9c2..0000000
--- a/app/src/main/jni/libancillary/COPYING
+++ /dev/null
@@ -1,21 +0,0 @@
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
- 1. Redistributions of source code must retain the above copyright notice,
-    this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
- 3. The name of the author may not be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
-WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
-EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/app/src/main/jni/libancillary/Makefile b/app/src/main/jni/libancillary/Makefile
deleted file mode 100644
index 3d32533..0000000
--- a/app/src/main/jni/libancillary/Makefile
+++ /dev/null
@@ -1,73 +0,0 @@
-###########################################################################
-# libancillary - black magic on Unix domain sockets
-# (C) Nicolas George
-# Makefile - guess what
-###########################################################################
-
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-# 
-#  1. Redistributions of source code must retain the above copyright notice,
-#     this list of conditions and the following disclaimer.
-#  2. Redistributions in binary form must reproduce the above copyright
-#     notice, this list of conditions and the following disclaimer in the
-#     documentation and/or other materials provided with the distribution.
-#  3. The name of the author may not be used to endorse or promote products
-#     derived from this software without specific prior written permission.
-# 
-# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
-# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
-# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-CC=gcc
-CFLAGS=-Wall -g -O2
-LDFLAGS=
-LIBS=
-AR=ar
-RANLIB=ranlib
-RM=rm
-CP=cp
-MKDIR=mkdir
-TAR=tar
-GZIP=gzip -9
-
-NAME=libancillary
-DISTRIBUTION=API COPYING Makefile ancillary.h fd_send.c fd_recv.c test.c
-VERSION=0.9.1
-
-OBJECTS=fd_send.o fd_recv.o
-
-TUNE_OPTS=-DNDEBUG
-#TUNE_OPTS=-DNDEBUG \
-	-DSPARE_SEND_FDS -DSPARE_SEND_FD -DSPARE_RECV_FDS -DSPARE_RECV_FD
-
-.c.o:
-	$(CC) -c $(CFLAGS) $(TUNE_OPTS) $<
-
-all: libancillary.a
-
-libancillary.a: $(OBJECTS)
-	$(AR) cr $@ $(OBJECTS)
-	$(RANLIB) $@
-
-fd_send.o: ancillary.h
-fd_recv.o: ancillary.h
-
-test: test.c libancillary.a
-	$(CC) -o $@ $(CFLAGS) $(LDFLAGS) -L. test.c -lancillary $(LIBS)
-
-clean:
-	-$(RM) -f *.o *.a test 
-
-dist:
-	$(MKDIR) $(NAME)-$(VERSION)
-	$(CP) $(DISTRIBUTION) $(NAME)-$(VERSION)
-	$(TAR) -cf - $(NAME)-$(VERSION) | $(GZIP) > $(NAME)-$(VERSION).tar.gz
-	$(RM) -rf $(NAME)-$(VERSION)
diff --git a/app/src/main/jni/libancillary/ancillary.h b/app/src/main/jni/libancillary/ancillary.h
deleted file mode 100644
index 636d867..0000000
--- a/app/src/main/jni/libancillary/ancillary.h
+++ /dev/null
@@ -1,131 +0,0 @@
-/***************************************************************************
- * libancillary - black magic on Unix domain sockets
- * (C) Nicolas George
- * ancillary.c - public header
- ***************************************************************************/
-
-/*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * 
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef ANCILLARY_H__
-#define ANCILLARY_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/***************************************************************************
- * Start of the readable part.
- ***************************************************************************/
-
-#define ANCIL_MAX_N_FDS 960
-/*
- * Maximum number of fds that can be sent or received using the "esay"
- * functions; this is so that all can fit in one page.
- */
-
-extern int
-ancil_send_fds_with_buffer(int, const int *, unsigned, void *);
-/*
- * ancil_send_fds_with_buffer(sock, n_fds, fds, buffer)
- *
- * Sends the file descriptors in the array pointed by fds, of length n_fds
- * on the socket sock.
- * buffer is a writeable memory area large enough to hold the required data
- * structures.
- * Returns: -1 and errno in case of error, 0 in case of success.
- */
-
-extern int
-ancil_recv_fds_with_buffer(int, int *, unsigned, void *);
-/*
- * ancil_recv_fds_with_buffer(sock, n_fds, fds, buffer)
- *
- * Receives *n_fds file descriptors into the array pointed by fds
- * from the socket sock.
- * buffer is a writeable memory area large enough to hold the required data
- * structures.
- * Returns: -1 and errno in case of error, the actual number of received fd
- * in case of success
- */
-
-#define ANCIL_FD_BUFFER(n) \
-    struct { \
-	struct cmsghdr h; \
-	int fd[n]; \
-    }
-/* ANCIL_FD_BUFFER(n)
- *
- * A structure type suitable to be used as buffer for n file descriptors.
- * Requires <sys/socket.h>.
- * Example:
- * ANCIL_FD_BUFFER(42) buffer;
- * ancil_recv_fds_with_buffer(sock, 42, my_fds, &buffer);
- */
-
-extern int
-ancil_send_fds(int, const int *, unsigned);
-/*
- * ancil_send_fds(sock, n_fds, fds)
- *
- * Sends the file descriptors in the array pointed by fds, of length n_fds
- * on the socket sock.
- * n_fds must not be greater than ANCIL_MAX_N_FDS.
- * Returns: -1 and errno in case of error, 0 in case of success.
- */
-
-extern int
-ancil_recv_fds(int, int *, unsigned);
-/*
- * ancil_recv_fds(sock, n_fds, fds)
- *
- * Receives *n_fds file descriptors into the array pointed by fds
- * from the socket sock.
- * *n_fds must not be greater than ANCIL_MAX_N_FDS.
- * Returns: -1 and errno in case of error, the actual number of received fd
- * in case of success.
- */
-
-
-extern int
-ancil_send_fd(int, int);
-/* ancil_recv_fd(sock, fd);
- *
- * Sends the file descriptor fd on the socket sock.
- * Returns : -1 and errno in case of error, 0 in case of success.
- */
-
-extern int
-ancil_recv_fd(int, int *);
-/* ancil_send_fd(sock, &fd);
- *
- * Receives the file descriptor fd from the socket sock.
- * Returns : -1 and errno in case of error, 0 in case of success.
- */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* ANCILLARY_H__ */
diff --git a/app/src/main/jni/libancillary/fd_recv.c b/app/src/main/jni/libancillary/fd_recv.c
deleted file mode 100644
index 46c2e69..0000000
--- a/app/src/main/jni/libancillary/fd_recv.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/***************************************************************************
- * libancillary - black magic on Unix domain sockets
- * (C) Nicolas George
- * fd_send.c - receiving file descriptors
- ***************************************************************************/
-
-/*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * 
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _XPG4_2 /* Solaris sucks */
-# define _XPG4_2
-#endif
-
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/uio.h>
-#include <assert.h>
-#if defined(__FreeBSD__)
-# include <sys/param.h> /* FreeBSD sucks */
-#endif
-
-#include "ancillary.h"
-
-int
-ancil_recv_fds_with_buffer(int sock, int *fds, unsigned n_fds, void *buffer)
-{
-    struct msghdr msghdr;
-    char nothing;
-    struct iovec nothing_ptr;
-    struct cmsghdr *cmsg;
-    int i;
-
-    nothing_ptr.iov_base = &nothing;
-    nothing_ptr.iov_len = 1;
-    msghdr.msg_name = NULL;
-    msghdr.msg_namelen = 0;
-    msghdr.msg_iov = &nothing_ptr;
-    msghdr.msg_iovlen = 1;
-    msghdr.msg_flags = 0;
-    msghdr.msg_control = buffer;
-    msghdr.msg_controllen = sizeof(struct cmsghdr) + sizeof(int) * n_fds;
-    cmsg = CMSG_FIRSTHDR(&msghdr);
-    cmsg->cmsg_len = msghdr.msg_controllen;
-    cmsg->cmsg_level = SOL_SOCKET;
-    cmsg->cmsg_type = SCM_RIGHTS;
-    for(i = 0; i < n_fds; i++)
-	((int *)CMSG_DATA(cmsg))[i] = -1;
-    
-    if(recvmsg(sock, &msghdr, 0) < 0)
-	return(-1);
-    for(i = 0; i < n_fds; i++)
-	fds[i] = ((int *)CMSG_DATA(cmsg))[i];
-    n_fds = (msghdr.msg_controllen - sizeof(struct cmsghdr)) / sizeof(int);
-    return(n_fds);
-}
-
-#ifndef SPARE_RECV_FDS
-int
-ancil_recv_fds(int sock, int *fd, unsigned n_fds)
-{
-    ANCIL_FD_BUFFER(ANCIL_MAX_N_FDS) buffer;
-
-    assert(n_fds <= ANCIL_MAX_N_FDS);
-    return(ancil_recv_fds_with_buffer(sock, fd, n_fds, &buffer));
-}
-#endif /* SPARE_RECV_FDS */
-
-#ifndef SPARE_RECV_FD
-int
-ancil_recv_fd(int sock, int *fd)
-{
-    ANCIL_FD_BUFFER(1) buffer;
-
-    return(ancil_recv_fds_with_buffer(sock, fd, 1, &buffer) == 1 ? 0 : -1);
-}
-#endif /* SPARE_RECV_FD */
diff --git a/app/src/main/jni/libancillary/fd_send.c b/app/src/main/jni/libancillary/fd_send.c
deleted file mode 100644
index 01de87f..0000000
--- a/app/src/main/jni/libancillary/fd_send.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/***************************************************************************
- * libancillary - black magic on Unix domain sockets
- * (C) Nicolas George
- * fd_send.c - sending file descriptors
- ***************************************************************************/
-
-/*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * 
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _XPG4_2 /* Solaris sucks */
-# define _XPG4_2
-#endif
-
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/uio.h>
-#include <assert.h>
-#if defined(__FreeBSD__)
-# include <sys/param.h> /* FreeBSD sucks */
-#endif
-
-#include "ancillary.h"
-
-int
-ancil_send_fds_with_buffer(int sock, const int *fds, unsigned n_fds, void *buffer)
-{
-    struct msghdr msghdr;
-    char nothing = '!';
-    struct iovec nothing_ptr;
-    struct cmsghdr *cmsg;
-    int i;
-
-    nothing_ptr.iov_base = &nothing;
-    nothing_ptr.iov_len = 1;
-    msghdr.msg_name = NULL;
-    msghdr.msg_namelen = 0;
-    msghdr.msg_iov = &nothing_ptr;
-    msghdr.msg_iovlen = 1;
-    msghdr.msg_flags = 0;
-    msghdr.msg_control = buffer;
-    msghdr.msg_controllen = sizeof(struct cmsghdr) + sizeof(int) * n_fds;
-    cmsg = CMSG_FIRSTHDR(&msghdr);
-    cmsg->cmsg_len = msghdr.msg_controllen;
-    cmsg->cmsg_level = SOL_SOCKET;
-    cmsg->cmsg_type = SCM_RIGHTS;
-    for(i = 0; i < n_fds; i++)
-	((int *)CMSG_DATA(cmsg))[i] = fds[i];
-    return(sendmsg(sock, &msghdr, 0) >= 0 ? 0 : -1);
-}
-
-#ifndef SPARE_SEND_FDS
-int
-ancil_send_fds(int sock, const int *fds, unsigned n_fds)
-{
-    ANCIL_FD_BUFFER(ANCIL_MAX_N_FDS) buffer;
-
-    assert(n_fds <= ANCIL_MAX_N_FDS);
-    return(ancil_send_fds_with_buffer(sock, fds, n_fds, &buffer));
-}
-#endif /* SPARE_SEND_FDS */
-
-#ifndef SPARE_SEND_FD
-int
-ancil_send_fd(int sock, int fd)
-{
-    ANCIL_FD_BUFFER(1) buffer;
-
-    return(ancil_send_fds_with_buffer(sock, &fd, 1, &buffer));
-}
-#endif /* SPARE_SEND_FD */
diff --git a/app/src/main/jni/libancillary/test.c b/app/src/main/jni/libancillary/test.c
deleted file mode 100644
index d3c1fda..0000000
--- a/app/src/main/jni/libancillary/test.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/***************************************************************************
- * libancillary - black magic on Unix domain sockets
- * (C) Nicolas George
- * test.c - testing and example program
- ***************************************************************************/
-
-/*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * 
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include "ancillary.h"
-
-void child_process(int sock)
-{
-    int fd;
-    int fds[3], nfds;
-    char b[] = "This is on the received fd!\n";
-
-    if(ancil_recv_fd(sock, &fd)) {
-	perror("ancil_recv_fd");
-	exit(1);
-    } else {
-	printf("Received fd: %d\n", fd);
-    }
-    write(fd, b, sizeof(b));
-    close(fd);
-    sleep(2);
-
-    nfds = ancil_recv_fds(sock, fds, 3);
-    if(nfds < 0) {
-	perror("ancil_recv_fds");
-	exit(1);
-    } else {
-	printf("Received %d/3 fds : %d %d %d.\n", nfds,
-	    fds[0], fds[1], fds[2]);
-    }
-}
-
-void parent_process(int sock)
-{
-    int fds[2] = { 1, 2 };
-
-    if(ancil_send_fd(sock, 1)) {
-	perror("ancil_send_fd");
-	exit(1);
-    } else {
-	printf("Sent fd.\n");
-    }
-    sleep(1);
-
-    if(ancil_send_fds(sock, fds, 2)) {
-	perror("ancil_send_fds");
-	exit(1);
-    } else {
-	printf("Sent two fds.\n");
-    }
-}
-
-int main(void)
-{
-    int sock[2];
-
-    if(socketpair(PF_UNIX, SOCK_STREAM, 0, sock)) {
-	perror("socketpair");
-	exit(1);
-    } else {
-	printf("Established socket pair: (%d, %d)\n", sock[0], sock[1]);
-    }
-
-    switch(fork()) {
-	case 0:
-	    close(sock[0]);
-	    child_process(sock[1]);
-	    break;
-	case -1:
-	    perror("fork");
-	    exit(1);
-	default:
-	    close(sock[1]);
-	    parent_process(sock[0]);
-	    wait(NULL);
-	    break;
-    }
-    return(0);
-}
diff --git a/app/src/main/jni/pdnsd/AUTHORS b/app/src/main/jni/pdnsd/AUTHORS
deleted file mode 100644
index fa0454e..0000000
--- a/app/src/main/jni/pdnsd/AUTHORS
+++ /dev/null
@@ -1,58 +0,0 @@
-Most of pdnsd was written by Thomas Moestl (tmoestl@xxxxxxx).
-In the "par" versions large parts of the code have been revised
-and several features have been added by Paul Rombouts.
-
-Small parts of this program are based on code that  was taken from nmap (IP 
-checksumming), the isdn4k-utils (ippp interface uptest), glibc 2.1.2 (some
-definitions for kernel 2.2.x missing in 2.0 glibcs) and FreeBSD
-(SIZEOF_ADDR_IFREQ in netdev.c).
-nmap was written by Fyodor. The insd4k-utils were written by Fritz Elfert and
-others. The GNU C library (glibc) is copyright by the Free Software 
-Foundation.
-
-The following people have contributed code:
-Andrew M. Bishop	contributed support for server labels
-Carsten Block	        contributed 'configure'-able rc scripts
-Stephan Boettcher	contributed the SCHEME= option.
-P.J. Bostley		contributed patches to get pdnsd working on
-			alpha
-Frank Elsner		contributed rc script fixes
-Christian Engstler	contributed patches for SuSE compatability
-Bjoern Fischer		contributed code to make pdnsd leave the case of names
-			in the cache unchanged
-Torben Janssen		contributed RedHat rc scripts
-Olaf Kirch		contributed a security fix for the run_as()
-			function
-Bernd Leibing		contributed fixes to the spec file.
-Sourav K. Mandal	contributed the autoconf/automake code, gdbm
-			caching facility and many suggestions
-Markus Mohr		contributed Debian rc scripts
-Alexandre Nunes		contributed autoconf fixes
-Wolfgang Ocker		contributed the server_ip option
-Soenke J. Peters	contributed patches and suggestions for RedHat 
-			compatability
-Roman Shterenzon	contributed many helpful hints and patches for
-			FreeBSD compatability.
-Andreas Steinmetz	contributed the code for the query_port_start and
-			query_port_end options (which I changed slightly,
-			so blame any breakage on me ;)
-Marko Stolle		contributed the contrib/pdnsd_update.pl script that
-			makes pdnsd usable in a DHCP setup.
-Lyonel Vincent		extended the serve_aliases option to support an
-			arbitrary number of aliases
-Paul Wagland		contributed a patches for bind9-compatability
-			and for some memory leaks on error paths.
-Sverker Wiberg		contributed IPv6 build fixes
-Michael Wiedmann	contributed the pdnsd-ctl.8 man page.
-Ron Yorston		contributed the dev-uptest for Linux ppp dial-
-			on-demand devices
-Nikita V. Youshchenko	contributed extensions to the "if" uptest
-Mahesh T. Pai		contributed the pdnsd.8 man page.
-Nikola Kotur		contributed the Slackware start-up script.
-Kiyo Kelvin Lee		contributed a patch for Cygwin support.
-Rodney Brown		contributed a patch for Darwin (Apple Mac OS X) support.
-Jan-Marek Glogowski	contributed a patch implementing the "use_nss" option.
-
-Please look into the THANKS file for people who helped me in various ways on
-this project.
-If this list is incomplete, pease drop me a mail!
diff --git a/app/src/main/jni/pdnsd/COPYING b/app/src/main/jni/pdnsd/COPYING
deleted file mode 100644
index 94a9ed0..0000000
--- a/app/src/main/jni/pdnsd/COPYING
+++ /dev/null
@@ -1,674 +0,0 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
-
-  The GNU General Public License is a free, copyleft license for
-software and other kinds of works.
-
-  The licenses for most software and other practical works are designed
-to take away your freedom to share and change the works.  By contrast,
-the GNU General Public License is intended to guarantee your freedom to
-share and change all versions of a program--to make sure it remains free
-software for all its users.  We, the Free Software Foundation, use the
-GNU General Public License for most of our software; it applies also to
-any other work released this way by its authors.  You can apply it to
-your programs, too.
-
-  When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-them if you wish), that you receive source code or can get it if you
-want it, that you can change the software or use pieces of it in new
-free programs, and that you know you can do these things.
-
-  To protect your rights, we need to prevent others from denying you
-these rights or asking you to surrender the rights.  Therefore, you have
-certain responsibilities if you distribute copies of the software, or if
-you modify it: responsibilities to respect the freedom of others.
-
-  For example, if you distribute copies of such a program, whether
-gratis or for a fee, you must pass on to the recipients the same
-freedoms that you received.  You must make sure that they, too, receive
-or can get the source code.  And you must show them these terms so they
-know their rights.
-
-  Developers that use the GNU GPL protect your rights with two steps:
-(1) assert copyright on the software, and (2) offer you this License
-giving you legal permission to copy, distribute and/or modify it.
-
-  For the developers' and authors' protection, the GPL clearly explains
-that there is no warranty for this free software.  For both users' and
-authors' sake, the GPL requires that modified versions be marked as
-changed, so that their problems will not be attributed erroneously to
-authors of previous versions.
-
-  Some devices are designed to deny users access to install or run
-modified versions of the software inside them, although the manufacturer
-can do so.  This is fundamentally incompatible with the aim of
-protecting users' freedom to change the software.  The systematic
-pattern of such abuse occurs in the area of products for individuals to
-use, which is precisely where it is most unacceptable.  Therefore, we
-have designed this version of the GPL to prohibit the practice for those
-products.  If such problems arise substantially in other domains, we
-stand ready to extend this provision to those domains in future versions
-of the GPL, as needed to protect the freedom of users.
-
-  Finally, every program is threatened constantly by software patents.
-States should not allow patents to restrict development and use of
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-avoid the special danger that patents applied to a free program could
-make it effectively proprietary.  To prevent this, the GPL assures that
-patents cannot be used to render the program non-free.
-
-  The precise terms and conditions for copying, distribution and
-modification follow.
-
-                       TERMS AND CONDITIONS
-
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-
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-
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-works, such as semiconductor masks.
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-License.  Each licensee is addressed as "you".  "Licensees" and
-"recipients" may be individuals or organizations.
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diff --git a/app/src/main/jni/pdnsd/COPYING.BSD b/app/src/main/jni/pdnsd/COPYING.BSD
deleted file mode 100644
index 99fe14a..0000000
--- a/app/src/main/jni/pdnsd/COPYING.BSD
+++ /dev/null
@@ -1,26 +0,0 @@
-A small part of the pdnsd source is licensed under the following BSD-style
-license:
-
-Copyright (C) 2001 Thomas Moestl
-
-This file is part of the pdnsd package.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-1. Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
-   notice, this list of conditions and the following disclaimer in the
-   documentation and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
-USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/app/src/main/jni/pdnsd/ChangeLog b/app/src/main/jni/pdnsd/ChangeLog
deleted file mode 100644
index fe77465..0000000
--- a/app/src/main/jni/pdnsd/ChangeLog
+++ /dev/null
@@ -1,3304 +0,0 @@
-2012-04-23  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Refine the return values of p_dns_cached_resolve(), p_dns_resolve() and
-	p_recursive_query() so that they distinguish between answers found in
-	the cache and replies obtained by querying other servers.
-	This, among other things, can be used to prevent data that was recently
-	obtained from the cache needlessly being added back to the cache.
-
-2012-04-22  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* configure.in
-	On the Linux platform, check if we can compile and link with the
-	-pthread flag instead of linking with -lpthread.
-
-2012-04-21  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	When following the delegation chain trying to get an authoritative
-	answer, pdnsd would answer with SERVFAIL if it failed to get a reply
-	from the last server in the chain. Instead pdnsd will now use the last
-	reply in the chain with RCode=0 that raised the AA or RA flag, if there
-	is one.
-
-2012-04-19  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	In report_cache_stat(), make copies of volatile data to get a
-	consistent data set before making calculations with cache size and
-	entry numbers.
-
-2012-04-16  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/netdev.c
-	If we can't open /proc/net/if_inet6 in is_local_addr() log a warning
-	message.
-
-2012-04-15  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	The code checking for duplicate IP addresses obtained from NS records
-	in auth_ok() has been slightly optimized.
-
-2012-04-12  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	When resolving nameservers obtained from NS records, allow pdnsd to use
-	more than one IP address per nameserver.
-	In rare cases, using just one IP address for each nameserver will cause
-	unnecessary resolve failures if the address chosen for each nameserver
-	happens to be unreachable while the other addresses would lead to
-	successful resolution, as demonstrated by Yuri Vorobyev.
-
-2012-03-16  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	When adding RR records one by one to a cache entry using add_cent_rr(),
-	use the smallest ttl value in case of conflicting ttls.
-	Code for local/nonlocal conflict resolution has been taken out of
-	add_cent_rr_int() and put into add_cent_rr() and cr_check_add()
-	which should be slightly more efficient.
-
-2012-03-15  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Enforcing strict RFC 2181 compliance by rejecting all the answers
-	with inconsistent ttl timestamps can cause undesirable resolve failures.
-	I have tried to implement a more compromising solution, whereby
-	inconsistent answers that should be normally rejected are still never
-	cached, but are nevertheless used as intermediary or temporary results
-	if all else fails.
-
-2012-03-13  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Fixed a typo in rr_to_cache() that caused pdnsd to fail to compile when
-	configured with the --enable-strict-rfc2181 option.
-	Thanks to Gonzalo L. R. for reporting this problem.
-	Also changed the return value of rr_to_cache() from a simple boolean to
-	an RC code in order to properly distinguish between memory allocation
-	errors and time-stamp inconsistencies.
-
-2012-02-21  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	If we have used EDNS in a query and the remote server answered
-	with rcode "format error", try again with the OPT pseudo-record
-	removed from the additional section of the query.
-
-	Also fixed a bug in p_exec_query() that caused pdnsd to behave
-	as if every reply with a non-empty additional section contained
-	an OPT record.
-
-2012-02-15  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c,src/helpers.c,src/helpers.h,src/icmp.c,
-	  src/ipvers.h,src/main.c,src/netdev.c
-	Introduced a new macro SEL_IPVER() to reduce some of the clutter in the
-	code caused by having to support both IPv4 and IPv6.
-
-2012-01-31  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* configure.in
-	Add AM_PROG_CC_C_O line to configure.in to prevent automake warning.
-
-2012-01-29  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	In report_cache_stat(), add the average number of bytes used per cache
-	entry when reporting the cache status, as suggested by M. Galabant.
-
-2012-01-28  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c,src/dns_query.c
-	Cleaned up the code a bit to avoid warning messages when
-	compiling with '-Wall -Winline' flags.
-
-2012-01-18  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conff.c
-	Set the default of the edns_query option to false.
-
-2011-07-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	Use a slightly more sophisticated merge-sort algorithm in sort_rrl().
-
-2011-05-09  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	In compose_answer(), also add an OPT pseudo-RR to the additional section
-	of a NXDOMAIN reply when appropriate.
-
-2011-05-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c,src/cache.h,src/dns_query.c,src/status.c
-	Make the dns_cent_t struct more compact by putting the fields that are
-	only used for either non-existent or existent domains, but not both,
-	into a union so that these fields can share memory.
-	When saving the cache to file, only write the TTL and time-stamp for
-	a whole domain when it is negatively cached.
-
-2011-05-06  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c,src/cache.h,src/dns_query.c
-	At the request of Andrei Caraman, the TTL of a negatively cached domain
-	is now adjusted in accordance with the min_ttl and max_ttl options, just
-	as it is done for (negatively) cached records.
-	Additional change to the TTL policy is that for negative records (and
-	negative domains) the neg_ttl setting overrides min_ttl if
-	neg_ttl < min_ttl.
-
-2011-04-26  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c
-	Fixed memory leak that can occur when the configuration file is reloaded
-	and an error is encountered while parsing the definition of a TXT
-	record.
-
-2011-03-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/make_rr_types_h.pl,src/cache.h,src/cache.c,src/dns_answer.c
-	Introduced arrays rrmuiterlist and rrcachiterlist to make iterating
-	over all possible RR types in a cache entry in strict ascending order
-	a little more efficient.
-
-2011-03-09  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c,src/conf-parser.c,src/conf-keywords.h
-	Implemented a new config option "outgoing_ip", which
-	makes it possible to bind outgoing connections to
-	a specific interface.
-
-2011-02-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/netdev.c
-	Fixed UDP socket descriptors leak in the implementation of
-	is_local_addr() for the FreeBSD platform. Thanks to Ashish Shukla for
-	reporting this bug.
-
-2011-02-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	In purge_all_rrsets(), also free the rrext array if it has become empty after
-	purging all the RR sets.
-
-2011-02-04  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conff.c,src/conff.h,src/conf-parser.c,src/conf-keywords.h,
-	  src/dns_query.c,src/dns_query.h,src/servers.c
-	Changed "edns_query" from a "global" option to a "server"
-	configuration option.
-
-2011-02-04  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conff.c,src/conff.h,src/dns_query.c,src/dns_query.h,src/servers.c,
-	  src/conf-parser.c
-	The query uptest sometimes fails because some DNS servers are configured
-	to ignore empty queries. The new config option "query_test_name" makes
-	it possible to query for a specific name instead.
-
-2011-02-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	When processing a reply from a remote name server which seems to delegate
-	to other name servers, check if the names for which NS records have
-	been supplied have locally defined NS records. If so, the local
-	records will now override those supplied by the remote server.
-
-2011-01-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c
-	Added support for defining TXT records in the configuration file.
-
-2011-01-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Do not cache additional records from a response that is rejected because
-	it contains IP addresses in the reject list, even when the reply
-	is processed as a NXDOMAIN reply.
-
-2011-01-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c
-	Modified the function scan_string() to allow back-slashed escape
-	sequences in strings.
-
-2011-01-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c,src/dns_query.c,src/conff.h,src/conff.c,
-	  src/conf-parser.c
-	Added support for EDNS (Extension mechanisms for DNS).
-	Currently this is only useful for allowing UDP message sizes
-	to be larger than 512 bytes.
-
-2011-01-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	To avoid frequent reallocs when composing a DNS reply message,
-	grow the message buffer in multiples of a certain minimum chunk size.
-
-2011-01-19  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns.c,src/dns.h,src/dns_answer.c
-	Extended debugging info with DNS-message lengths and flags of incoming
-	messages.
-
-2011-01-17  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conff.c,src/conff.h,src/conf-parser.c,src/dns_answer.c
-	Made "ignore_cd" option obsolete. It is now effectively always on.
-
-2010-12-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c,src/cache.h,src/dns_answer.c,src/dns_query.c,
-	  src/make_rr_types.pl,src/rr_types.in,src/rr_types.c
-	The array of pointers to rr_set_t structs in the dns_cent_t struct
-	contains mostly null pointers in practice, so is somewhat
-	inefficient in storage usage. This problem is exacerbated if we add
-	support for caching more RR-types. To ameliorate to the problem
-	I have decided to split the array in two, with one part fixed in the
-	dns_cent_t struct as before, and an extension part that will be
-	separately allocated, if necessary. If the extension part is used only
-	for very rarely cached types, in most cases the extension array will not
-	need to be allocated thus hopefully saving memory overall.
-	The lookup tables which are necessary to support the new cache entry
-	structure are cumbersome to write by hand, so I have written a perl
-	script to do this automatically. As an additional benefit, which RR
-	types are cache-able is now configurable for each type separately via
-	rr_types.in.
-
-2010-03-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Using randomized source ports for outgoing queries in IPv6 mode failed
-	with the warning "Out of ports in the range 1024-65535, dropping query!",
-	because the pdnsd tried to bind to the fixed port for incoming queries,
-	instead of the dynamically chosen port. This is a very old bug, but it
-	has only become apparent since source port randomization has become the
-	default.
-	Thanks to Philip-André Fillion, Phil Sutter, Radoslaw Szkodzinski and
-	others for reporting this bug and sending patches.
-
-2009-12-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/status.c,src/status.h,src/pdnsd-ctl/pdnsd-ctl.c
-	Add a magic number to pdnsd-ctl command codes to guard against
-	possible incompatibility between the pdnsd-ctl utility and the
-	pdnsd server.
-
-2009-10-18  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Make root-server discovery a little more fault tolerant, i.e. if some
-	of the root-server names don't resolve don't necessarily reject the
-	whole result.
-
-2009-10-17  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/servers.c,src/dns_query.c,src/dns_query.h
-	Implemented automatic root-server discovery, which can now be configured
-	by setting "root_server=discover".
-
-2009-06-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c,src/consts.c,src/consts.h,src/conf-parser.c
-	Changed the default behaviour of the "neg_rrs_pol" option. The default
-	used to be to only cache records negatively in case the AA (authoritive
-	answer) bit in the reply was set. The new default is to also allow
-	negative caching in case the reply has the RA (recursion available) bit
-	set and the query had the RD (recursion desired) bit set.
-	This gives the behaviour that is usually wanted in case "proxy_only=on"
-	is set without having to set "neg_rrs_pol=on", which can be more
-	problematic. The new default can be explicitly set using
-	"neg_rrs_pol=default". The values "on","off" and "auth" are also
-	still available.
-
-2009-06-13  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conff.c,src/conff.h,src/dns_answer.c,src/conf-parser.c,src/conf-keywords.h
-	Included a patch contributed by Andreas Steinmetz that implements a new
-	global configuration option "ignore_cd". pdnsd used to check that the CD
-	bit in the DNS header of queries is zero and return the error code
-	"format error" if it is not. However, considering the meaning of this
-	bit today it appears to be harmless to ignore it, so the new "ignore_cd"
-	is on by default. Setting "ignore_cd=off" gives the earlier strict
-	behavior.
-	Also renamed the the Z1, AU, Z2 bits to correspond with their modern names
-	CD, AD, Z.
-
-2008-12-19  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* pdnsd-1.2.7/src/dns_query.c
-	If pdnsd receives a SERVFAIL response with a non-empty answer section,
-	use the information tentatively if no better response is available.
-	The previous behaviour was to discard the reply completely, which could
-	cause failure to resolve some names.
-	Thanks to Rafal Wijata for providing an example involving PowerDNS servers
-	replying with CNAME records.
-
-2008-09-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	In p_dns_resolve(), try to reduce the burden on root servers further for
-	names ending in "arpa".
-
-2008-08-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	In p_exec_query(), if the reply from a remote name server is negative
-	(either because the rcode is NXDOMAIN or because the answer section
-	contains no records for the queried name), ignore the remaining records
-	in the answer section (in particular do not add them to the cache).
-
-2008-07-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conff.c,src/dns_query.c
-	Made the default of the configuration option query_port_start equal to
-	1024.  Also improved the algorithm used by pdnsd to select random source
-	ports to ensure that each (free) port gets an equal chance of being
-	selected.  This should guarantee random source ports in the range
-	1024-65535, making pdnsd less vulnerable to some of the issues described
-	in CERT VU#800113.
-	The old situation, where pdnsd lets the kernel select the source ports,
-	is still available by specifying query_port_start=none.
-
-2008-07-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Fixed a dangling pointer bug in p_exec_query(), which could cause pdnsd
-	to crash when processing a long reply with many entries in the answer
-	section.
-
-2008-05-12  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c,src/conff.c
-	Added a recursive-depth counter to the read_config_file() and
-	confparse() functions to prevent the possibility of infinite
-	recursion when processing include files.
-	In confparse(), warn when in a server section the root_server option is
-	set in combination with policy=simple_only or policy=fqdn_only.
-
-2008-05-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/ipvers.h
-	Included a patch contributed by Georg Schwarz which selectively undoes
-	a Debian patch contributed by Juliusz Chroboczek on platforms for which
-	the IPV6_RECVPKTINFO macro is not defined (e.g. MacOS X).
-
-2008-05-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
-	The pdnsd-ctl add command can now also be used to define NS records.
-	A wildcard record defined with this command now behaves the same way as
-	one defined in the config file.
-
-2008-05-07  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c,src/conf-keywords.h,src/conff.c
-	Added the ability to process "include" sections in the configuration
-	file.  This makes it possible to place local definitions in separate
-	files and include them from the main configuration file.
-
-2008-05-05  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conff.c,src/conf-parser.c,src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
-	Implemented two new pdnsd-ctl commands, which make it easier to add
-	definitions to the pdnsd cache at run time. "pdnsd-ctl include" is
-	similar to "pdnsd-ctl config" but only processes configuration sections
-	that effect the cache and disallows global and server sections.
-	"pdnsd-ctl eval" directly parses its string arguments as if they were
-	part of a configuration (include) file.
-
-2007-09-15  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns.h,src/dns_answer.c,src/dns_query.c
-	Changed the declarations of various packed structs, by moving the
-	__attribute__((packed)) specifiers from the field level to the struct level.
-	This was necessary to get the correct value for sizeof(rr_hdr_t) when
-	compiling with gcc for the ARM architecture.
-	Thanks to Dirk Armbrust for reporting the problem and supplying the solution.
-
-2007-08-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	Applied a Debian patch contributed by Juliusz Chroboczek which
-	reportedly fixes a problem with pdnsd running in IPv6 mode
-	(IPV6_RECVPKTINFO instead of IPV6_PKTINFO).
-
-2007-08-04  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	When resolving a name recursively, pdnsd would stop querying further
-	name servers as soon as it received a reply with the authority (aa) flag
-	set. Unfortunately, it appears this flag is sometimes raised erroneously
-	in replies. I have implemented a work-around that ignores the aa flag
-	when there appears to be a clear delegation to a sub-domain.
-	Thanks to Nico Erfurth for reporting this problem.
-
-	It appears that pdnsd would also fail to consult servers in the authority
-	section when configured with neg_rrs_pol=on. This has been fixed.
-
-2007-08-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl.c
-	Made the matching of pdnsd-ctl command names and most of the arguments
-	case-insensitive.
-
-2007-07-22  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	Instead of sharing the responsibility for freeing the answer buffer in
-	case of an error amongst different functions, only free it in
-	compose_answer().
-
-	* configure.in, src/Makefile.am, src/test/Makefile.am
-	Merged patch contributed by Pierre Habouzit to deal with CFLAGS the
-	automake way (allowing packagers to override CFLAGS properly).
-
-2007-07-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	For each target name in a SRV record in the answer section, add
-	addresses to the additional section of the response, as is recommended
-	by the RFCs.
-
-2007-07-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/list.c,src/list.h
-	Made modifications to the implementation of dynamic arrays, which
-	should ensure proper alignment on all supported architectures.
-
-2007-07-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* Upgraded pdnsd's license to GPL version 3.
-
-2007-07-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.h,src/dns_query.c
-	The data field of the rr_bucket_t struct is now aligned such that
-	it possible to use straightforward assignment to copy IP addresses,
-	making memcpy unnecessary for this purpose.
-
-2007-07-07  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	If pdnsd fails to connect to a name server using a IPv6 address, it will
-	now retry the connection using a IPv4 address, if available. This allows
-	pdnsd to recover from situations where IPv6 connectivity is temporarily
-	unavailable, but IPv4 connectivity still functions.
-	Thanks to Andreas Ferber for reporting this problem.
-
-2007-07-04  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	I have reordered the arguments of the add_rr() and related
-	functions to make them more consistent with each other.
-
-2007-07-03  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c,src/hash.c
-	pdnsd will no longer immediately abort in add_dns_hash() if it fails
-	to allocate memory for a new hash entry.
-
-2007-07-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conff.c,src/conff.h,src/consts.c,src/consts.h,
-	  src/conf-parser.c,src/conf-keywords.h,src/dns_query.c
-	Implemented the new "reject", "reject_policy" and "reject_recursively"
-	options for the server section of the configuration file.
-
-	* src/ipvers.h,src/conf-parser.c,src/dns.c,src/status.c,
-	  src/pdnsd-ctl/pdnsd-ctl.c
-	Allow local AAAA records to be defined even if pdnsd is compiled
-	without --enable-ipv6, provided there is sufficient support in the
-	C libraries and --disable-new-rrs was not used.
-
-2007-06-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	Previously, when the answer buffer was realloced in add_rr(), an
-	extra 2 bytes used to be reserved, which are unnecessary, as far
-	as I can tell. I have decided to do without these extra 2 bytes,
-	which originate from Thomas Moestl's code. As compensation, I have
-	added extra PDNSD_ASSERT() statements to check that the answer
-	buffer does not overflow.
-
-2007-06-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/status.c, src/pdnsd-ctl/pdnsd-ctl.c
-	Extended the pdnsd-ctl 'add a' and 'add aaaa' commands to allow
-	multiple IP addresses to be specified.
-
-2007-06-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conff.c,src/conff.h,src/conf-parser.c,src/conf-keywords.h,
-	  src/dns_query.c
-	Implemented a new option for the server section of the configuration
-	file: randomize_servers.
-
-	* src/servers.c
-	Improved the debug messages in uptest().
-
-2007-01-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/icmp.c
-	Fixed up the code implementing the ping test in icmp.c,
-	which was broken for 64-bit systems.
-	Thanks to Michael Uleysky for reporting this bug.
-
-2007-01-09  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	auth_ok() now returns 1 if the cache entry has the DF_NEGATIVE flag set,
-	without providing a list of authoritative servers to continue querying.
-	Otherwise if we receive a non-authoritative NXDOMAIN reply and pdnsd
-	is configured with neg_domain_pol=on, pdnsd will continue to try to
-	get an authoritative answer. The intention is that pdnsd
-	stops querying as soon as it gets an "unknown domain" answer.
-
-2006-04-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/main.c
-	pdnsd would segfault if it tried to call log_message() (via the
-	log_warn() and log_error() macros) before the FILE pointer to the debug
-	output stream was properly initialized.
-	Thanks to Thomas Cort for discovering this problem and suggesting a fix.
-
-2006-04-09  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c,src/helpers.c,src/conff.h,src/conff.c
-	I have included a patch contributed by Jan-Marek Glogowski, that
-	implements the configuration option "use_nss". With use_nss=off pdnsd
-	will avoid system functions that may use NSS (i.e. initgroups()), which
-	may need DNS for LDAP lookups, which can lead to long timeouts and
-	stalls if pdnsd itself is used for the DNS lookup.
-
-2006-03-26  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Negative caching of RR sets is now also supported with lean_query=off.
-
-2006-03-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c,src/conf-parser.c,src/main.c
-	I have implemented a new query method: udp_tcp. With this method a UDP
-	query is tried first and, if the UDP answer is truncated, the query is
-	repeated using TCP. This is the behaviour that seems to be recommended
-	by the DNS standards. However, pdnsd wil not discard the truncated
-	answer if the TCP requery fails.
-
-2006-03-24  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	Previously, pdnsd would add at most one additional A (and AAA) record
-	for each record in the answer and authority sections. At the request of
-	Angel Marin, pdnsd will now add all A and AAA records it can find in the
-	cache for each name that produces additional records.
-
-2006-01-02  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	compose_answer() would leak memory if the query contained
-	an unsupported QTYPE or QCLASS. This has now been fixed.
-
-2005-12-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* configure.in
-	TCP-query support is now compiled in by default.
-	It can still be disabled using the configure option
-	--disable-tcp-queries.
-
-2005-12-23  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	Queries received from clients with non-empty answer, authority or
-	additional sections are	now treated as malformed and rejected with
-	rcode 1 (format error).
-
-2005-11-06  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c
-	Time intervals in the configuration files can now be expressed in
-	seconds, minutes, hours, days and weeks, using the suffixes
-	s,m,h,d,and w.
-
-2005-10-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/consts.c
-	In the pdnsd configuration file, true/false and yes/no are now accepted
-	as synonyms for the constants on/off.
-
-2005-08-24  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/helpers.c
-	I have fixed a potential buffer overflow problem that could occur with
-	the 'pdnsd-ctl dump' command.
-	In case of the root domain, the function rhn2str() would write 2 bytes
-	to the output buffer even if size==1. Theoretically (under pathological
-	circumstances) this could have allowed the dbuf buffer in the function
-	dump_cent() to overflow by one byte.
-
-2005-08-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* acconfig.h,src/cache.c,src/conff.c,src/conf-parser.c,src/dns.c,
-	  src/dns_answer.c,src/dns_query.c,src/error.h,src/helpers.c,src/main.c,
-	  status.c
-
-	It appears the newer versions of gcc won't convert a pointer to char
-	into a pointer to unsigned char and vice versa without complaining.
-	The changes I have made should get rid of these distracting warning
-	messages. Unfortunately I had to introduce casts in some cases,
-	which reduces type safety :-(.
-
-2005-08-16  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns.h
-	Some changes were made to the endianess detection code to
-	address problems on Mac OS X v10.4 Tiger.
-
-2005-08-15  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* configure.in
-	Some changes where made to address the reported problems with the
-	configure script on Mac OS X v10.4 Tiger.
-
-2005-08-05  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/status.c,src/dns_answer.c
-	The output of the 'pdnsd-ctl status' command now includes some
-	statistics on the number of query threads.
-
-2005-07-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/main.c
-	It appears that sigwait() can return EINTR under certain conditions.
-	This explains the problems reported by Sanjoy Mahajan with strace
-	and ACPI S3 sleep, which both caused pdnsd to exit prematurely.
-	The return value of sigwait() is now checked and sigwait() is retried
-	if the return value is EINTR.
-
-2005-07-04  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	It appears that some servers that do not support recursive queries
-	answer with "query refused" instead of "not supported". The
-	p_exec_query() function now takes that possibility into account.
-
-2005-07-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	In the processing of queries, I will make a distinction between
-	recoverable errors and non-recoverable ones (typically caused by out of
-	memory conditions). In the case of non-recoverable errors, no attempt to
-	query alternative name servers is made.
-
-2005-06-26  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	In p_recursive_query(), as soon as one of the servers in the q list
-	replied "no error" or "name error", only this reply was examined and
-	the other servers in the q list were ignored. Joshua Coombs has brought
-	to my attention that this strategy sometimes fails when this reply is not
-	authoritative and doesn't contain any usable references to name servers
-	in the authority section.
-	I have modified p_recursive_query() to allow pdnsd to continue querying
-	the remaining servers in the q list as long as we haven't received an
-	authoritative answer or usable authority information. This will allow
-	pdnsd to arrive at the correct answer in some cases where it would
-	formerly fail.
-
-2005-06-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/status.c
-	The "pdnsd dump" command may now also be given an argument
-	consisting of a name beginning with a dot. This will dump information
-	about all names in the cache ending in the given name. An argument
-	consisting of a name without a leading dot will only give information
-	about the exact name, as it did before.
-
-2005-06-24  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/servers.c,src/status.c
-	All uptests are now conducted by the server status thread. If a retest
-	is requested via a "pdnsd-ctl server", an existing server status thread
-	is signaled or a new server status thread is spawned if the old one has
-	exited. This has the effect that a "pdnsd-ctl server label retest"
-	command will now return immediately without waiting for the tests to
-	finish.
-
-2005-06-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c,src/servers.c,src/servers.h
-	At the request of Al-Junaid Walker I have added a new configuration
-	option for the uptest interval. With "interval=ontimeout" the server is
-	not tested at startup/reconfig, or at regular intervals, but only after
-	a DNS query to a server times out. However, once a server is declared
-	dead it is never considered again unless it is revived using a
-	"pdnsd-ctl config" or "pdnsd-ctl server" command.
-
-2005-06-19  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/servers.c,src/dns_query.c,src/icmp.c
-	During an uptest the server configuration data is locked. Especially
-	with ping or query uptests of unresponsive servers this means that the
-	execution of "pdnsd-ctl config" or "pdnsd-ctl server" commands can be
-	delayed for a long time (or even time out). I have made modifications
-	that allow a "pdnsd-ctl config" or "pdnsd-ctl server" commands to
-	interrupt pending uptests to allow these commands to proceed without
-	delay in most cases.
-
-	* src/thread.h
-	Use the POSIX sigaction() instead of signal() to install signal handlers.
-
-2005-06-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c,src/dns_query.c
-	I have defined a struct dns_msg_t that includes a message length field.
-	In the case of sending a DNS message over TCP, we no longer need a
-	separate write() call to send the message length. This prevents possible
-	packet fragmentation.
-
-2005-06-07  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	The query_method=tcp_udp option only used to work with cooperative name
-	servers, i.e. servers that either send back a TCP reply or explicitly
-	refuse the TCP connection request. This wasn't sufficiently satisfactory
-	in practice, because some name servers are completely unresponsive to TCP
-	connection requests. I have made modifications to allow pdnsd to try UDP
-	queries in case TCP connections time out. When a short server timeout is
-	combined with a global timeout that is at least twice as long, this may
-	allow a query to a name server that only responds to UDP queries to
-	succeed with query_method=tcp_udp.
-
-2005-04-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c,src/hash.c,src/conff.c,src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
-	The "pdnsd-ctl empty-cache" command now accepts additional arguments;
-	these are interpreted as include/exclude names. During execution of the
-	command the name of each cache entry is matched against the names in the
-	include/exclude list. If the name ends in a name to be included, the
-	cache entry is deleted, otherwise not.
-	This feature was added at the request of Joshua Coombs.
-
-2005-04-19  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c, src/hash.c
-	pdnsd will now (temporarily) unlock the cache between emptying hash
-	buckets, this should allow pdnsd to remain responsive while executing
-	the "pdnsd-ctl empty-cache" command. However, this only applies to DNS
-	queries; pdnsd will not accept any new pdnsd-ctl commands while a
-	pdnsd-ctl command is still running.
-
-2005-03-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* configure.in, src/hash.h
-	I have added a new configure option --with-hash-buckets=...
-	This makes it possible to specify a different number of
-	hash buckets without editing the source files.
-
-2005-03-17  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/error.c
-	When running in both daemon and debug mode, print warning and
-	error messages to debug file as well as the syslog.
-
-2005-03-15  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	Only call pthread_setspecific() in debug mode, because
-	pthread_getspecific() is also only used in debug mode.
-	If pthread_setspecific() fails, treat this as a non-fatal error.
-
-2005-03-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* configure.in
-	On Linux systems the configure script will now try to detect automatically
-	whether the system implements the Native POSIX Thread Library, but
-	the method is not necessarily foolproof.
-
-	* src/dns.c
-	Local PTR records generated for resolving numeric IPv6 addresses back into
-	names, are now based on ip6.arpa instead of ip6.int, because the latter domain
-	will be phased out eventually.
-
-2005-03-06  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* Makefile.am,src/cache.c
-	Create an empty cache-file at install time and don't complain about empty
-	cache files at start up.
-
-2005-02-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* acconfig.h,configure.in,src/conf-parser.c,src/conff.h,src/dns.h,
-	  src/dns_answer.c,src/dns_query.c,src/error.h,src/helpers.h,src/icmp.c,
-	  src/ipvers.h
-
-	I have applied some changes to the code proposed by Rodney Brown to improve
-	portability. In particular, pdnsd should now compile on the Darwin platform
-	(Apple Mac OS X).
-	To support some of these changes, the source package is now built with a
-	slightly more modern version of autoconf (2.57) and automake (1.6.3).
-
-2005-01-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns.c,src/dns_answer.c,src/dns_query.c
-
-	I have added some extra debug code to make it easier to discover the
-	reason that pdnsd considers a query or reply malformed (format error).
-
-2005-01-12  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns.c,src/dns_answer.c,src/dns_query.c
-
-	I have extended some debug code contributed by Kiyo Kelvin Lee to dump
-	the data received by pdnsd in debug mode (queries from clients, replies
-	from name servers). Because this will give very verbose debug output,
-	I've arranged it so that this data dump only occurs if pdnsd has been
-	configured and compiled with --with-debug=9 and pdnsd has been called
-	with -v9.
-
-	Additionally, in the case that pdnsd rejects a reply from a name server
-	because it is not well formed, I have refined the debug messages to
-	distinguish between format errors due to unexpected truncation and
-	others kinds of format errors.
-
-2004-10-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/rr_types.c
-	I have included some changes proposed by Joseph Pecquet to address
-	the compilation problems reported by FreeBSD users.
-
-2004-10-18  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* acconfig.h,configure.in,src/helpers.c,src/helpers.h,src/dns.h
-	I have merged a patch for CYGWIN support by Kiyo Kelvin Lee into
-	my version of the code.
-
-2004-10-15  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	Invalidating local records with the pdnsd-ctl did not work the way the
-	documentation described. An invalidated local record would be always be
-	purged at the next lookup, thus invalidation would practically have the
-	same effect as deletion. An invalidated local record is of no use at all and
-	would occupy space until it is purged during a lookup (but not by purge_cache).
-	The function invalidate_record() now behaves as the documentation describes, i.e.
-	invalidation of local records has no effect.
-
-2004-09-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* doc/pdnsd.conf.5.in
-	A new man page describing the format of the pdnsd config file has been
-	added to the pdnsd package. I've used a customized Perl script to generate
-	one automatically from the html documentation.
-
-2004-09-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/hash.c
-	The cache entries in a hash chain are now stored in order of increasing long hash
-	value. The advantage is that if an name is looked up that is not present in the
-	cache, this can be done by comparing with only half (on average) of the number
-	of entries in the hash chain. Not a huge speed up, but still worth while, I think.
-	Additionally, the number of hash computations for each add_cache() call has
-	been halved.
-
-2004-09-11  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	insert_rrl() will no longer add local records to the rr_l list, because
-	purge_cache() ignores them anyway.
-
-2004-09-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns.h,src/cache.c,src/dns_query.c,src/dns_answer.c,src/conf-parser.c
-	I've started using GETINT16,GETINT32,PUTINT16,PUTINT32 macros, which are based
-	on the NS_GET/NS_PUT macros that can be found in the BIND source, instead of memcpy
-	for fetching and storing non-aligned integer data.
-
-2004-09-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c,src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
-	New pdnsd-ctl command: "pdnsd-ctl dump" will print information about all the
-	entries contained in the cache.
-	"pdnsd-ctl dump <name>" will only print entries belonging to <name>.
-	The data fields of the more common rr-types will be printed in human readable
-	form, the remaining ones in a hexadecimal representation.
-	With thanks to Dan Jacobson for suggesting this feature.
-
-2004-08-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c
-	At the suggestion of Dan Tihelka, I have expanded to the server_ip= option
-	to allow the name of an interface to be specified instead of an IP address.
-	pdnsd will not bind to the interface name, but will lookup the address the
-	interface has at start up, and listen on that address. If the address
-	of the interface changes while pdnsd is running, pdnsd will not notice that.
-
-2004-08-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.h,src/cache.c
-	I've reversed the meaning of the CF_NOAUTH and renamed it CF_AUTH.
-	I've also added a domain level flag DF_AUTH, which is used to
-	mark cache entries obtained from authoritave replies in response to
-	a query of type * (all)..
-
-2004-08-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	I've changed the format of the cache file. A typical cache entry has empty
-	sets for most RR types (even more if DNS_NEW_RRS is defined). In the old
-	format, each empty RR set was represented by a zero byte.
-	In the new format only non-empty sets are respresented, leading
-	to a (modest) reduction is size.
-
-2004-08-28  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c
-	New option for "rr" sections in the config file: reverse=on/off.
-	If you want a locally defined name to resolve to a numeric address and vice
-	versa, you can now achieve this by setting reverse=on before defining the
-	A record, making it unnecessary to define a seperate PTR record for the reverse
-	resolving.
-
-2004-08-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.h,src/cache.c,src/conf-parser.c,src/dns_query.c
-	At the request of Daniel Black, I have added support for defining local wildcard records
-	in pdnsd. The only type supported presently is records beginning with '*.'.
-
-2004-08-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/hash.c,src/cache.c,src/dns_query.c,src/dns_answer.c
-	Sampo Lehtinen has remarked that pdnsd sometimes failed to resolve classless
-	reversed-delegated IP addresses, and that this has something to do with the fact
-	that pdnsd did not accept '/' characters in domain names. After reading Sampo's
-	and Thomas' remarks, and also rfc2317 and some of the rfc's referenced in rfc2317,
-	I decided pdnsd should place no restrictions at all on the types of characters it
-	allows in domain names, only on the lengths of the byte sequences.
-	This led me to make some quite extensive internal changes to pdnsd. Among other
-	things domain names are now stored in transport format (sequences of bytes preceded
-	by length bytes) instead of C strings. This is also more efficient because there
-	is no need any more to convert from one representation to the other, except when
-	reading the config file, interacting with pdnsd-ctl or running in debug mode.
-	Conversion between the two representations isn't always possible, though.
-	For example, domain names in transport format might contain non-printable characters.
-	These are now printed as escape sequences (three octal digits preceded by a back slash).
-	Presently there are still restrictions on the characters in the domain names that can
-	be defined in local records. I doubt this will ever be considered a problem.
-
-2004-08-02  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	The code for handling NXT records was flawed. A response from a remote server
-	containing NXT records (even well-formed ones) could cause pdnsd to crash.
-	The code for handling NAPTR records contained incorrect PDNSD_ASSERT statements,
-	which could cause pdnsd to abort unnecessarily.
-
-2004-07-25  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/list.h,src/list.c,src/dns.c,src/dns_query,src/dns_answer.c
-	I've noticed that some of the (dynamic) arrays that pdnsd uses are quite sparse.
-	Instead of using an array structure with elements that are large enough to contain
-	the largest possible domain name, I've implemented a "list" data structure that
-	is more compact. The elements of a list can only be accessed sequentially from
-	beginning to end, but it allows more efficient memory use in case the names are
-	significantly shorter that the maximum.
-
-2004-07-22  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c
-	I've expanded pdnsd's configuration options by adding support in pdnsd for reading
-	/etc/resolv.conf style files. Instead of specifying IP addresses in a server section,
-	the option "file=<filename>" can be used.
-	The IP addresses in the lines beginning with "nameserver" will be added to
-	the list of address for that section, the remaining lines will be ignored.
-	To avoid the possibility that pdnsd will query itself, local addresses are skipped
-	(unless pdnsd is configured to listen on a different port number).
-
-2004-07-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.h,src/cache.c,src/dns_query.c,src/conf-parser.c
-	New option for "server" sections in the config file: root_server=on/off.
-	In case a server section contains only addresses of root servers, which
-	usually only give the nameservers of top level domains in their reply,
-	setting root_server=on will enable certain optimizations. This involves using
-	cached information to reduce queries to the root servers, thus speeding up
-	the resolving of new names. This option is also necessary to make the
-	delegation_only option work in combination with root servers.
-
-2004-07-16  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c,src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
-	New pdnsd-ctl command: "pdnsd-ctl empty-cache" will make pdnsd delete its entire
-	cache, freeing all entries. This is useful for debugging purposes, or in situations
-	where you suspect that stale cache entries are causing you problems, but you are not
-	sure which ones.
-
-2004-07-11  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c,src/dns_query.c
-	I've removed the use of the function add_cache_rr_add(), which was used to
-	add additional RR records to the cache one at a time. I've changed the code
-	in dns_query.c such that additional (or off-topic) records are first collected
-	in arrays of dns_cent_t structures, and then added to the cache using add_cache().
-	With this approach only one function, viz. add_cache(), is used for adding
-	new entries to the cache, which I believe leads to a cleaner programming
-	interface. Added benefit is that query serial numbers are no longer
-	necessary.
-
-2004-07-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.h,src/cache.c,src/dns_query.c,src/dns_answer.c
-	I've added two new field to the dns_cent_t struct, namely c_ns and c_soa.
-	These will be used to remember references to NS and SOA records in the authority
-	sections of replies from remote name servers.
-	This information can be used by pdnsd to fill in the authority section of its
-	own reply.
-
-2004-06-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c,src/servers.c,src/consts.c
-	I've added an new server availability test which can be selected with "uptest=query".
-	This can be useful as an alternative to "uptest=ping" in case the remote server does not
-	respond to ICMP_ECHO requests at all, which unfortunately is quite common these days.
-	"uptest=query" causes pdnsd to send an empty query to remote nameservers. Any well-formed
-	response (apart from SERVFAIL) within the timeout period will be interpreted as a sign that the
-	server is "up".
-	In a sense this new availability test can actually be considered more reliable than the
-	other ones that pdnsd supports.
-	With thanks to Juliusz Chroboczek for suggesting this feature.
-
-2004-06-24  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/helpers.c
-	Don't use getpwnam() while we are multi-threaded, because it returns a pointer to
-	a statically allocated structure. I will use getpwnam_r() instead, which is thread
-	safe. Unfortunately there seem to be some portability problems with getpwnam_r().
-	For those platforms that lack getpwnam_r(), I will keep the old code with getpwnam()
-	as an alternative.
-
-2004-06-23  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/servers.c
-	Check that the number of IP addresses in a server section is nonzero before
-	testing servers for availability. Otherwise pdnsd could crash in debug mode.
-
-2004-06-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/conff.c,src/conf-parser.c,src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
-	New pdnsd-ctl command: "pdnsd-ctl config" will make pdnsd re-load its configuration file.
-	In most cases (but there are still some exceptions) this is preferable
-	to restarting pdnsd after making changes to the configuration file.
-	An important advantage is that there should be no perceptible interruption in the dns service
-	when using the reload command.
-	An alternative config file can be specified with "pdnsd-ctl config <filename>".
-
-2004-05-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c,src/dns_query.c,src/dns_query.h
-	I've made an adjustment to p_recursive_query() and related functions, so that
-	when pdnsd chases name servers in pursuit of authoritative records, it avoids
-	all the name servers already queried for the same name in the recursive calling
-	chain, not just the servers most recently used.
-	Although the hops counter will already break any possible cycles, this will
-	allow pdnsd to detect pathological cycles earlier and waste less resources.
-
-	* src/cache.c
-	In add_cache(), don't add empty entries to the cache. Empty cache entries
-	waste memory and are more persistent than non-empty ones, because purge_cache()
-	cannot get rid of them.
-
-2004-05-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c,src/dns_query.c,src/icmp.c,src/netdev.c
-	I've removed the calls to getprotobyname() and used the constants IPPROTO_TCP
-	and IPPROTO_UDP instead. First of all, it doesn't seem very efficient to call
-	a function repeatedly to look up the same well-known protocol numbers.
-	More importantly, getprotobyname() stores its results in a statically-allocated
-	structure and thus cannot be considered thread safe. (getprotobyname_r()
-	is thread safe, but is not portable.)
-
-2004-05-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	I've noticed that when pdnsd is restarted shortly after it has answered a TCP
-	query, it is often not able to bind to the TCP socket again, resulting in a
-	disabled TCP server thread. The solution appears to be to set the SO_REUSEADDR
-	socket option before binding the socket. This allows you to use the same port even
-	if it is busy (in the TIME_WAIT state).
-	I found the code for this in a patch file from an old Debian package.
-
-2004-05-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Joseph Pecquet has reported that version 1.1.11 does not compile under FreeBSD v4.x
-	because the macro ENONET is undefined. I've bypassed the problem by surrounding
-	the case line using this value with conditional preprocessor directives.
-
-2004-05-08  Paul  Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/rc/Slackware/rc.pdnsd
-	I've included a Slackware start-up script contributed by Nikola Kotur.
-
-2004-05-05  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* doc/pdnsd.8
-	I'm very grateful to Mahesh T. Pai for contributing a pdnsd man page,
-	which was still missing up till now.
-
-2004-04-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/servers.c,src/dns_query.c
-	After considering some suggestions made by Juliusz Chroboczek I have made the
-	following changes:
-
-	- After receiving a reply from a remote server mark the server up and update the
-	timestamp so that pdnsd doesn't bother testing this server for availability for a
-	while.
-	- After detecting an error with an send/recv call that indicates a server is
-	unavailable, mark a server down so that pdnsd doesn't bother testing this server
-	for a while.
-	- After server timeouts, uptests are never performed by a query/answer thread,
-	because this may delay the sending of an answer to the client. Instead the
-	timestamp of a server that needs to be tested for availability is set to zero and
-	a condition signal is sent to alert the server status thread, which will carry out
-	the test. Unresponsive servers with uptest=ping will not be marked down
-	immediately any more, but only after the ping test has definitely failed.
-
-	* src/error.c,src/error.h
-	I've moved most of the code previously contained in the DEBUG_MSG macro to a new
-	function debug_msg().
-	The DEBUG_MSG macro now simply expands to "if(debug_p) debug_msg();".
-	This should make the executable a little smaller, and be just as fast when
-	debugging is off. The DEBUG_MSG macro still expands to nothing if pdnsd is built
-	without debugging support.
-
-2004-04-28  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.h,src/dns_query.c
-	I've tried to simplify the finite state machine used for processing parallel
-	queries, by merging the "state" and "nstate" variables used by p_exec_query() and
-	p_query_sm() resp. into one "state" variable.
-	By introducing an extra field "iolen" to keep track of the number of bytes read
-	from or written to a socket, I could also reduce the number of states for TCP
-	queries. The new code has the additional advantage that it can handle situations
-	that require multiple read() calls to receive a response.
-
-2004-04-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	I've added an extra check comparing the number if poll/select events actually
-	handled to the return value of poll/select. This should reduce the chance that
-	pdnsd will get caught in a busy spin due to unknown remaining bugs. An error
-	message is logged and an error code is returned when this comparison fails.
-
-2004-04-13  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.h,src/dns_query.c
-	I got rid of the event field in the query_stat_t struct.
-	I think it is redundant, because its value can be quite simply derived from
-	the nstate field.
-
-2004-04-12  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	I appears there was flaw in the code for handling a "Not Implemented" response
-	from a remote server with the RA (recursion available) bit equal to zero. This
-	could cause pdnsd to get into a busy spin. I traced the flaw back to Thomas
-	Moestl's code, so it must be in all the versions of pdnsd I know of. In previous
-	versions of pdnsd the busy spin would eventually time out. Due to some recent
-	changes the loop would no longer time out, making the bug more noticeable.
-	With thanks to Nicolas George for reporting the bug.
-
-	I also discovered a closely related flaw that would cause pdnsd to poll() closed
-	file descriptors. It usually works out OK in practice, but it is definitively not
-	the correct way to do it.
-
-	Additionally, I discovered some opportunities to save memory, e.g. by replacing
-	the nsname buffer in the query_stat_t struct by a pointer to an already existing
-	copy of a name.
-
-2004-04-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	Nicolas George remarked that he thought it was strange that subdomains of domains
-	negated with "neg" sections in the config file were not also negated. I thought that
-	he had a point, and I've implemented a change so that negating example.com will
-	now also negate www.example.com, xxx.adserver.example.com, etc.
-
-2004-04-09  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/error.c,src/error.h
-	I noticed that the code for the log_warn() and log_error() functions was almost
-	identical, even to the point that log_warn() called syslog() with LOG_ERR
-	priority. I've merged these two functions into one log_message() function.
-
-2004-04-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/main.c,src/conf-parser.c
-	The -4 and -6 command-line options should now work as advertised.
-	This wasn't entirely trivial. The rule is that options on the command line
-	override those in the configuration file. The easiest way to implement this is to
-	process the command-line options after reading the configuration file. But this
-	doesn't work for the -4 and -6 options, because the run_ipv4 flag determines how
-	IP addresses in the config file are parsed. I've inserted some extra tests and
-	warning messages that will hopefully make this setting nearly foolproof.
-
-	I've added two new command-line options, "-a" and "-i <prefix>".
-	With the -a flag pdnsd will try to detect automatically if IPv6 support is
-	available on a system, and fall back to IPv4 if not. The -a flag can be used
-	instead of -4 or -6.
-
-	In IPv6 mode, pdnsd will now automatically convert IPv4 addresses to IPv6-mapped
-	addresses. The -i option can be used to specify a prefix for this mapping. The
-	default is ::ffff.0.0.0.0
-	There is also a corresponding ipv4_6_prefix= option for the config file.
-
-	In IPv4 mode, if IPv6 support is compiled in, pdnsd will now skip IPv6 addresses
-	in the config file (except for the server_ip and ping_ip options) with a warning
-	message. This allows you to have mixed sets of IPv4 and IPv6 address in the same
-	config file, although in IPv4 mode some server sections may become inactive.
-
-	With thanks to Juliusz Chroboczek for suggesting these changes.
-
-2004-04-07  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	I've changed some of the cache-flag definitions to make debugging a little simpler.
-	Unfortunately, this makes the cache files of previous pdnsd versions incompatible
-	with the new one. I've introduced a cache version identifier to be added at the
-	beginning of each cache file. This enables pdnsd to recognize and discard
-	incompatible cache files.
-
-2004-04-05  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.h,src/cache.c
-	I've changed the way CACHE_LAT (cache latency, normally 120 secs) is used to
-	determine whether a cache entry has timed out. Instead of simply adding it to the
-	ttl (time to live), I use CACHE_LAT if the ttl is less then CACHE_LAT, else the
-	ttl itself, making CACHE_LAT the minimum ammount of time a cache entry stays in
-	the cache.
-
-2004-04-02  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	I've introduced a global timeout parameter. This is the minimum period of time
-	pdnsd will wait after sending the first query to a remote server before giving
-	up without having received a reply.
-	The timeout options in the configuration file are now only minimum timeout intervals.
-	Setting the global timeout option makes it possible to specify quite short timeout
-	intervals in the server sections. This will have the effect that pdnsd will start
-	querying additional servers fairly quickly if the first servers are slow to respond
-	(but will still continue to listen for responses from the first ones).
-	This may allow pdnsd to get an answer more quickly in certain situations.
-
-	* src/dns_query.c
-	When receiving a NXDOMAIN (unknown domain) response from a remote name server,
-	I think it is still useful to process the authority and additional sections,
-	so that pdnsd can possibly add a SOA record to its own response.
-
-2004-04-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	In p_recursive_query(), I've slightly changed the way pdnsd does parallel
-	queries. Active queries or not canceled until we have received a useful response
-	from a remote name server, or all the queries have failed or timed out.
-	Thus the par_queries parameter is no longer the maximum number of parallel
-	queries, but rather the increment with which the number of parallel queries is
-	increased when the previous set has timed out.
-	In the worst case all the servers in the list of available servers will be queried
-	simultaneously. We may be wasting more system resources this way, but the advantage
-	is that we have a greater chance of catching a reply.
-	After all, if we wait longer anyway, why not for more servers.
-
-2004-03-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	I've noticed that in compose_answer() that while adding the name in the query
-	section it was not passed through compress_name(). While it is true that the
-	first name occurrence cannot be compressed, it is still sensible to process the
-	query name with compress_name() so that the offset can be stored and provide
-	additional opportunities for future compressions.
-	I've tested this with dig and the responses of pdnsd are now usually a little
-	smaller	in size or can hold more information within the 512 byte limit.
-
-2004-03-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	I've noticed that pdnsd stored rr records (of the same type) in reverse order
-	in the cache.
-	Although I don't see anything inherently wrong with that, I think it's neater to
-	store them in the order they are processed.
-
-2004-03-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	I've rearranged the order of the arguments of some of the functions in cache.c
-	to obtain a more consistent calling interface.
-
-	* src/dns_answer.c
-	I've noticed that pdnsd would only add NS records to an authority section if it could
-	find such records matching the queried name (or the last CNAME in the answer) exactly.
-	However, I understand that a server should try to give NS records as close as possible
-	to the target name in the naming hierarchy.
-	I also understand that if a domain name is reported as nonexisting, or no record of
-	the requested type exists, it is customary to provide a SOA record, searching up the
-	name hierarchy if necessary.
-	I've tried to implement this in compose_answer(), although with some limitations.
-	I only look in the cache, I don't search more then three levels up, and stop before
-	the top level.
-
-2004-03-28  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c,src/dns_answer.c
-	There were some issues with add_cache_rr_add().
-
-	First of all, the way it was used in rr_to_cache() (or rather not used) meant
-	that if an "off topic" record was added for a name that lacked an entry in the
-	cache, the rr set would be created with an incorrect serial number (namely zero).
-	I've rewritten add_cache_rr_add so that it can create new cache entries if necessary.
-	This simplifies the code in rr_to_cache() and ensures correct serial numbers.
-
-	Secondly, in add_cache_rr_add() the ttl was compared with that of an existing rrset
-	without adjusting for the min_ttl and max_ttl options. This could lead to all the
-	previous records being deleted, retaining only the last one.
-
-2004-03-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	In compose_answer(), if the rd (recursion desired) bit is set in the query
-	and the response contains a CNAME record (while a different type of record was
-	requested), always do a recursive query on the CNAME, even if we have already
-	added a record of the requested type to the response.
-	Failing to honor the rd bit will cause some resolver libraries to complain,
-	even if the answer contains a record of the requested type.
-
-	I've slightly changed the calling interfaces of add_to_response() and add_rrset()
-	to make them more consistent and efficient.
-
-	In add_rrset() I've fixed a memory leak on one of the error paths.
-
-	In add_additional_rr(), the return value of add_rr() was not checked.
-	If add_rr() fails, it will free *ans, and functions higher up the calling
-	chain could be referencing freed memory.
-
-	I've fixed a potential referencing of freed memory or double freeing in add_additional_a().
-	If a call of add_additional_rr() fails, it will free *ans.
-	Previously, add_additional_rr() could be called a second time, in which case
-	the second call would be referencing freed memory or freeing it a second time..
-
-2004-03-23  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* configure.in, src/Makefile.in,src/pdnsd-ctl/Makefile.in,src/test/Makefile.in
-	Frédéric L. W. Meunier has reported that configure --srcdir option (for building
-	in directory separate from the source directory) was broken.
-	Should be fixed now.
-
-2004-03-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c,src/dns_query.c,src/helpers.c,src/icmp.c,src/main.c,src/netdev.c,src/ipvers.h,src/test/if_up.c,src/test/is_local_addr.c,src/test/tping.c,src/test/random.c,src/conf-parser.c
-	I've eliminated the global variable run_ipv6 from the code.
-	Enabling both the IPv4 and IPv6 protocols at the same time is not supported
-	in pdnsd, so the value of run_ipv6 (if it is defined) is simply !run_ipv4.
-
-	* src/dns.c,src/test/is_local_addr.c,src/test/tping.c
-	It appears the option to compile pdnsd without IPv4 support (i.e. only IPv6
-	support) was broken. Should be fixed now.
-
-2004-03-19  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	I've discovered an incorrect use of cache locks in lookup_cache().
-	We only read locks in place, it is possible for purge_cent() to delete a cache
-	entry while another thread is trying to read it at the same time, which could
-	lead to	trouble. I've rewritten purge_cent() so that it can be used to test
-	whether something needs to be purged without actually deleting anything.
-	If something needs to be deleted, purge_cent() will be called again with
-	the proper read/write locks in place, excluding access to the cache for all
-	other threads.
-
-2004-03-18  Paul Rombouts  <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	I've added a new function sort_rrl() for sorting the rr_l list using a merge-sort
-	algorithm. Usually the insertion sort used by insert_rrl() is good enough, because
-	new entries belong near the end most of the time. Reading entries from disk forms
-	an exception, though, because the rrsets in the file are completely out of order
-	w.r.t. timestamps, leading to quadratic time complexity of the insertion sort method.
-	In that case it should be faster to simply append items at the end of the rr_l list
-	and sort using a more efficient algorithm afterwords.
-	pdnsd now seems to start up noticeably faster when reading large cache files.
-	I've also considered using a more sophisticated data structure than a doubly linked
-	list, but this will add considerable complexity to the code and use more memory.
-
-2004-03-13  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	Changed a declaration in udp_answer_thread() so that the buffer used for passing
-	control messages on to sendmsg() is exactly the right size, instead of an arbitrary
-	512 bytes.
-	Also initialized the msg_flags of the struct msghdr passed on to sendmsg() to zero,
-	to keep Valgrind from complaining about uninitialized bytes.
-
-2004-03-12  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/icmp.c
-	Fixed an incorrect call to select() in ping4(). A file descriptor set for detecting
-	exceptions was initialized but not passed on to select(). This would lead subsequent
-	code always to behave as if an IO exception had occurred.
-	Valgrind seems to indicate that when a poll() call times out and returns 0,
-	the revents field of the struct pollfd is not necessarily set.
-	I've changed the code to check that the return value is > 0 before examining the
-	revents field.
-
-2004-02-06  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parser.c,src/conf-parser.h,src/conf-keywords.h
-	I've rewritten the parser for the configuration file in C from scratch.
-	(f)lex and yacc/bison are no longer needed to build pdnsd.
-
-2004-01-16  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/main.c
-	Load the cache from disk without locking cache access because pdnsd
-	is still single-threaded at that point.
-
-2004-01-15  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c,src/hash.c
-	Moved the responsibility for freeing the cache entries referred by
-	the hash buckets from destroy_cache() to free_dns_hash() (which is called
-	by destroy_cache()). Previously, the cache and hash tables were already
-	completely destroyed by the time free_dns_hash() was called, and there was
-	nothing left for free_dns_hash() to free.
-
-2004-01-14  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/hash.c,src/make_hashconvtable.c
-	The hash conversion table is now generated at build time instead
-	of at run time when pdnsd is started up.
-
-2004-01-13  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns.c
-	In add_host() fixed incorrect generation of IPV6 type of name for PTR record
-	due to use of && instead of & as masking operator.
-
-2004-01-13  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/icmp.c, src/dns_answer.c
-	Use unsigned long instead of int error counters to reduce the danger
-	of wraparound.
-
-2004-01-06  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/main.c,src/thread.c,src/thread.h,src/server.c,src/status.c,src/dns_answer.c
-	Initialize a global thread attribute object in main.c and use it to create all the detached
-	threads, instead of initializing a separate attribute object for each new thread.
-
-2004-01-06  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	Check the return value of pthread_create() in udp_server_thread()
-	and tcp_server_thread() to ensure that a new answer thread has actually
-	been created and free resources if not.
-
-2004-01-04  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/helpers.c,src/cache.c,src/conff.c,src/status.c
-	Stop writing to control socket after an error has been detected.
-
-2004-01-03  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl.c
-	Tried to make the error messages of pdnsd-ctl more helpful.
-	The complete usage description is now only printed if the 'help' command
-	is used. For problems with other commands a much shorter message is generated
-	specific for that command.
-
-2004-01-02  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/helpers.h
-	Changed the definition of rhnlen(). For valid data this will make no difference,
-	but it may change the behaviour of pdnsd in certain error situations.
-
-2004-01-02  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns.c
-	Optimized compress_name() some more.
-
-2004-01-02  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	Additional code cleanup in compose_answer().
-
-2004-01-01  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* doc/pdnsd-ctl.8
-	Updated the pdnsd-ctl man page.
-
-2003-12-31  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl.c
-	Cleaned up some code.
-
-2003-12-31  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/status.c,src/conff.h,src/conff.c
-	Some further code cleanup in status.c.
-	Labels for server sections are no longer limited to 32 chars,
-	but can have arbitrary length. The string that is used to specify
-	new DNS-addresses with the "pdnsd-ctl server" command can now also
-	have arbitrary length.
-
-2003-12-30  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* doc/html/doc.html
-	Added information about CNAME and MX resource records, that were
-	previously undocumented.
-
-2003-12-26  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Removed the function p_dns_resolve_from(). This function was essentially
-	a call to p_recursive_query() with a dummy nocache argument.
-	p_recursive_query() can now be called with nocache=NULL instead.
-
-2003-12-26  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Using a variable length array instead of an malloced buffer to hold the struct pollfd array
-	in p_recursive_query(). This has the potential for causing portability problems, but I
-	think that's unlikely because almost all the major C compilers I work with support variable
-	length arrays nowadays.
-
-2003-10-18  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/helpers.h,src/helpers.c
-	Fixed a mistake that caused a compile error when using the --with-random-device
-	configuration option.
-	Thanks to Daniel Black for reporting this bug.
-
-2003-10-02  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* conf-lex.l.in,src/conf-parse.y,src/conff.h,src/conff.c,src/dns_query.c
-	Made the "delegation_only" feature configurable.
-
-2003-09-25  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/helpers.c,src/helpers.h
-	Added alternative implementations of strdup, strndup, stpcpy, getline and asprintf
-	in an effort to make the code more portable.
-
-2003-09-22  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/helpers.c,src/conf-parse.y
-	Made some changes to the parser of the configuration file so that domain names
-	missing a dot at the end will be tolerated.
-
-2003-09-21  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Implemented a first version of the "delegation-only" feature.
-	It has been "hard-coded" to work for "com" and "net" zones,
-	and is not yet configurable.
-
-2003-09-21  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns.c
-	Rewrote domain_match(). Also changed the way it is used.
-	I believe it has a cleaner semantics now.
-
-2003-09-21  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Changed the order of the arguments of p_exec_query() and p_recursive_query()
-	to make it more consistent with the other functions.
-
-2003-09-18  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	Reordered the code in process_query() so that a buffer for an error response is
-	allocated only when it is actually needed.
-
-2003-09-17  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	Added parentheses to correct mistaken operator precedence assumption in cache.c.
-	!cent->flags&DF_NEGATIVE is parsed as (!(cent->flags))&DF_NEGATIVE but I think
-	what Thomas Moestl must have intended was !((cent->flags)&DF_NEGATIVE).
-
-2003-09-12  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Fixed a mistake which caused the effect of the proxy_only option to be reversed.
-	Thanks to Andrew M. Bishop <amb@xxxxxxxxxxxxxxxxxxxx> for reporting this bug.
-
-2003-09-11  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/helpers.c
-	Rewrote str2rhn() and rhn2str().
-
-2003-09-10  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns.c
-	Rewrote read_hosts(), the function that reads /etc/hosts-style input.
-	I believe the parsing algorithm is more robust now.
-
-2003-09-09  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
-	Fixed a bug (my fault) that caused improper passing on of flags for the
-	pdnsd-ctl source command.
-	Also reordered some of the code, so that data is validated after all of it
-	has been read from the control socket. This should prevent a "broken pipe"
-	error message if data validation fails.
-	Also fixed the reporting of success or failure of the pdnsd-ctl "neg" command.
-
-2003-09-08  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/list.c
-	Rewrote da_grow1() and da_resize() so that they automatically allocate an array
-	if given a NULL argument. This makes the use of da_create() redundant in most cases.
-
-2003-09-08  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parse.y,src/servers.c
-	At the suggestion of Greg Norris, I changed the code to allow server sections in the
-	configuration file that don't specify any IP addresses. Such a section will remain
-	inactive until one or more IP addresses are assigned with the control utility pdnsd-ctl.
-
-2003-09-04  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c,src/dns_query.c
-	Oops: in my zeal to declare variables in the smallest possible scope, I ended up
-	using a pointer to a struct that was out of scope. My understanding of compilers tells me
-	it should work out OK in practice, but it is definitely a no-no.
-	Used a union declared in a larger scope instead (which is ugly in another way,
-	but equally efficient).
-	Also removed a section of redundant code in udp_server_thread().
-
-2003-09-01  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Corrected the iteration range of a for loop in p_dns_cached_resolve(), which would
-	otherwise cause an array to be indexed out of bounds in the function set_flags_ttl().
-
-2003-08-31  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_answer.c
-	Added cleanup handlers for freeing the resources passed on to udp_answer_thread() and
-	tcp_answer_thread(). This should ensure the resources are freed even if the threads get
-	canceled.
-
-2003-08-30  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	Revised large portions of code in src/cache.c, used for adding and deleting entries in
-	the cache. In particular, I rewrote purge_cache(), which I believe was incorrect.
-	I wouldn't be surprised if this was the cause of the crashed (defunct) threads that some
-	people were reporting.
-	Also fixed some memory leaks.
-
-2003-08-28  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	Eliminated the overhead of allocation debugging in the case that ALLOC_DEBUG is not defined.
-
-2003-08-24  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/conf-parse.y
-	No longer allow certain settings of the query_method option in the configuration file
-	if pdnsd is not compiled with the necessary support.
-	Thanks to Nikolaus Rath <Nikolaus@xxxxxxxx> for reporting the bug.
-
-2003-08-23  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/netdev.c
-	Fixed a bug in is_local_addr() where the result of fgetc(f) is restricted to type char
-	before being compared to EOF, which can result in the comparison always being false.
-	Thanks to Gerhard Tonn <GerhardTonn@xxxxxxxxxxx> for reporting the bug.
-
-2003-07-28  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* doc/html/index.html,doc/html/doc.html,doc/html/dl.html,doc/pdnsd-ctl.8,contrib/README
-	Revised the documentation.
-
-2003-07-21  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/main.c,src/status.c,src/icmp.c
-	Setting stat_pipe=0 after opening or binding the control socket fails.
-	This should prevent further use of the control socket if a problem with
-	it has been detected previously.
-	Also properly initialized the global variable int ping_isocket in src/icmp.c
-
-2003-07-13  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/main.c
-	Polished the code in main().
-
-2003-07-04  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/helpers.c,src/dns_answer.c,src/dns_query.c
-	Eliminated the use of inet_ntoa() in favor of the more modern inet_ntop().
-	inet_ntop() makes more sense in threaded code and is also recommended in
-	the glibc info pages.
-
-2003-07-03  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c
-	Fixed an allocation size error (not mine) in p_exec_query().
-	The erroneous size is almost always larger than necessary, so in practice this bug
-	just wastes memory. But there is also a possibility that the allocated buffer is too
-	small, which would mean trouble.
-	Also fixed two memory leaks on some of the error paths in p_exec_query().
-
-2003-06-28  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* acconfig.h,configure.in,src/thread.h
-	Extended the configuration option --with-thread-lib.
-	Configuring with --with-thread-lib=linuxthreads2 will cause the alternative
-	definition of THREAD_SIGINIT suggested by Thomas Moestl to be used.
-
-2003-06-27  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/consts.h,src/consts.c,src/conff.c,src/conf-parse.y,src/dns_answer.c
-	Added two new configuration options for policies of inclusion/exclusion lists.
-	The new policies options are "simple_only" and "fqdn_only".
-	This allows me to control to which name servers pdnsd will direct queries for
-	simple host names.
-	I also polished the code a bit in report_conf_stat(), used for reporting the current configuration.
-
-2003-06-20  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* acconfig.h,configure.in,src/thread.h,src/thread.c
-	Added a configuration option --with-thread-lib=nptl.
-	This causes the macro THREAD_SIGINIT to be defined as empty in src/thread.h,
-	and thread_sig() in src/thread.c is never used.
-
-2003-06-11  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/thread.h
-	Undid the change to the definition of THREAD_SIGINIT suggested to me by
-	Thomas Moestl, after receiving a report of a problem with this change
-	from someone running SuSE 7.0.
-
-2003-06-06  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/dns_query.c:
-	Discovered that I failed to preserve the semantics of Thomas Moestl's code
-	when I rewrote a section of code in use_server(). Fixed.
-
-2003-05-19  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c,src/conf-lex.l.in,src/conf-parse.y,src/conff.h,src/dns_answer.c,src/dns_query.c,src/servers.c:
-	Merged fixes contained in patch file sent to me by Thomas Moestl with my own version.
-	Changing the version to 1.1.8b1 as suggested by the patch file.
-
-2003-02-26  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* pdnsd-1.1.7a-par.diff:
-	Made one big patch file from all the changes I made up till now.
-	Wrote a description of the changes in a file README.par
-	Posted patch file on the web so others can use it.
-
-2003-02-24  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* src/cache.c
-	Changed the code that writes the cache to disk.
-	Data is now written strictly sequentially, eliminating the need for fseek().
-	This seems to have successfully solved the problem I had with corrupt cache files.
-
-2002-05-27  Paul Rombouts <p.a.rombouts@xxxxxxx>
-
-	* ChangeLog:
-	Started experimenting with the source code.
-	Made many changes between 2002-05-27 and 2002-07-13.
-	Too lazy to maintain the ChangeLog.
-
-2002-01-06  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* version: Call it 1.1.7.
-
-2002-01-04  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c, src/dns_query.c:
-	Comment and debug message fixes, more assertions.
-
-2002-01-03  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns.c, src/dns_answer.c, src/dns_query.c:
-	More harmless fixes, correct some comments and debug messages, add more
-	assertions.
-
-	* NEWS, version: 1.1.7p2, correct NEWS entry.
-
-	* src/helpers.c:
-	Make sure the calling thread of pdnsd_exit() terminates immediately.
-
-2002-01-02  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c, src/helpers.c, src/icmp.c:
-	Fix a few more harmless bugs, more paranoia.
-
-	* src/status.c: Fix yet more, probably harmless, problems.
-
-2002-01-01  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns.h, src/dns_answer.c, src/dns_query.c:
-	Fix a few more possible buffer size problems, and add a bunch of
-	assertions as last lines of defence.
-
-2001-12-30  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns.c: Build fix (include error.h).
-
-	* NEWS, version: Call it 1.1.7p1, and add a NEWS entry.
-
-	* TODO: Reduce TODO to what actually is still needed.
-
-	* src/dns.c, src/error.h, src/helpers.c:
-	Add a bunch of robustness PDNSD_ASSERT()'s.
-
-	* src/dns_query.c:
-	Fix a bug which may possibly be remotely exploitable to gain access as
-	the user pdnsd runs as.
-	This was caused by a dumb single-character mistake :(
-
-	* doc/Makefile.am, configure.in:
-	Avoid confusing automake 1.5 by not putting a comment into a make rule.
-	Fix CONFDIR passing.
-
-	Submitted by:	GoTaR <gotar@xxxxxxxxxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl.c:
-	Avoid crashing when the buffer contents received using the status command
-	are not terminated.
-
-2001-10-14  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/SuSE/pdnsd.in, THANKS:
-	Fix the stop case for the SuSE rc script: killproc requires the full
-	path of the binary as argument (reported by Bernhard Pelz).
-
-2001-09-23  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* configure.in:
-	Revamp the OS autodetect test. OpenBSD and (hopefully) NetBSD are no longer
-	unsupported.
-
-	* src/helpers.c, THANKS:
-	Do not try to use arc4random when compiling for NetBSD (submitted by
-	Thomas Stromberg).
-
-2001-09-10  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* COPYING.BSD: s/REGENTS/AUTHOR/ in one place.
-
-	* src/cache.c:
-	It is possible no record of the requested type is present after calling
-	cr_add_cent_rr_int() (when the record was marked as being local), so
-	check before dereferencing the pointer to the respective rrset.
-	Leave the record unmodified when cr_check_add() returns 0.x
-
-2001-07-26  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/RedHat/pdnsd.in:
-	Add a workaround for @sysconfdir@ substitutions containing ${prefix}.
-	Spotted by Robert Linden.
-
-2001-07-04  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/RedHat/pdnsd.in:
-	Add a condrestart handler to the Red Hat rc script, and do some general
-	cleanup. Contributed by Christian Engstler.
-
-2001-07-02  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/error.h:
-	Attempt to detect a gcc that cannot yet handle ANSI variadic macros,
-	and work around this by using the old GCC-style variant.
-
-	* src/conff.c:
-	Remove a + at the start of a line that got in when merging a diff by
-	hand.
-
-	* src/servers.c: waitpid() returns a pid_t.
-
-	* src/dns.c:
-	It's sizeof, not sizof. This should unbreak the IPv6 build. Also silence
-	some warnings with appropriate casts.
-
-	* NEWS, version: Call it 1.1.6, and add a NEWS entry.
-
-2001-07-01  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns_query.c, THANKS, version, AUTHORS:
-	Added a modified version of Andreas Steinmetz's code for
-	query_port_start and query_port_range, and added him to AUTHORS and
-	THANKS.
-
-2001-06-23  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/cache.c:
-	Fix a bogon: deleted would not be reset correctly in the first
-	purge_cache loop, which could cause pdnsd to loop forever when a
-	negative record was after a deleted rr.
-
-2001-06-21  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/list.h:
-	Add (currently unused) list macros that are going to be used in future
-	code.
-
-	* src/cache.c:
-	Fix a bogon in the rw lock code: we need to wake up a writer if there
-	are no readers. The old code was a leftover from a time when
-	SUSP_THRESH was just r_pend * x.
-	Fix a typo.
-
-2001-06-13  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* AUTHORS: Add mention of FreeBSD code to AUTHORS.
-
-	* src/netdev.c:
-	Add SIZEOF_ADDR_IFREQ (taken from FreeBSD: _SIZEOF_ADDR_IFREQ, net/if.h
-	rev. 1.58.2.1) and add an appropriate copyright notice.
-	The reason for this is that other BSDs don't have it, and we are not
-	supposed to use underscored macros in portable software.
-
-2001-06-12  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/icmp.c: Fix double #inclusion of <netinet/ip.h>.
-	Noticed by Sebastian Stark.
-
-2001-06-08  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_query.c, THANKS:
-	Allow underscores in the query names reported back, as the comment next
-	to the decompress_name call already indicated (but the call gave NULL
-	as the uscore parameter, which disables underscores normally).
-	Add Michael Ströder, who spotted this, to THANKS.
-
-2001-06-06  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/servers.c, THANKS:
-	Fix a bug discovered by Stefan Erhardt (and add him to THANKS): the
-	return value of waitpid was misinterpreted.
-
-2001-06-04  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* Makefile.am, file-list.base.in, version:
-	Bump version to 1.1.6p1; wire up COPYING.BSD so that it gets included
-	in RPM's and tarballs.
-
-	* COPYING.BSD:
-	Add the BSD-Style copyright notice so that it can be included in binary
-	distributions.
-
-2001-06-03  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns.c, src/dns_answer.c, src/dns_query.c, src/helpers.c, src/status.c, NEWS, version:
-	Bump version to 1.1.5, and add a NEWS entry for this release.
-
-	Miscellaneous cleanups, mainly in the status.c code; fix a bug that
-	could cause heap corruption (rhncpy always clobbered the whole buffer,
-	but only the needed space was reserved in add_rr). This should solve
-	the crashes some people were seeing (this bug is not an exploitable
-	security hole as far as I know; the respective buffer is on the heap,
-	as mentioned).
-
-	* src/error.c:
-	Paranoia: do not use the argument to crash_msg as a format string
-	(crash_msg  is only used with constant strings, though).
-
-2001-06-02  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns.c, src/dns.h, src/dns_answer.c, src/dns_query.c, src/error.h, src/hash.c, src/helpers.c:
-	Correct underscore handling for SRV records, and a few comment fixes.
-
-	* src/cache.c, src/conff.c, src/dns_query.c, src/error.h, src/helpers.h, src/status.c:
-	Numerous non-critical argument fixes for printf-like functions.
-
-	* src/dns.c: Remove superfluous \n's.
-
-	* src/conf-parse.y, src/dns_answer.c, src/status.c:
-	Correct some DEBUG_MSG nits, and fix two format string bugs. One of
-	them could allow users that are allowed to use pdnsd-ctl with the
-	server (when the status socket is enabled) to gain the privileges of
-	the user that runs (the run_as user or the user that started pdnsd on
-	Linux when strict_setuid is set to off) pdnsd. The status socket is
-	disabled by default, and if it is enabled, it's default permissions
-	are quite restrictive, so this isn't a problem for most.
-
-2001-05-30  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/status.c:
-	Make the status permissions actually work (missed last time).
-
-	* src/dns_answer.c, src/main.c, src/status.c, src/status.h:
-	Move the status socket initialization to a place where it gets executed
-	before any threads are started; this way, we can use umask to set the
-	permissions, and avoid a (in this case harmless, but anyway) race
-	condition.
-	While being there, remove obsoleted comments and places referring to
-	the now-socket as fifo.
-
-2001-05-29  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/cache.c:
-	Replace a misuse of CF_LOCAL with DF_LOCAL. This had no effect, because
-	the values are the same.
-
-2001-05-22  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/hash.c, src/helpers.c, THANKS, acconfig.h, configure.in:
-	Add an option for allowing underscores (_) in domain names. This
-	violates the RFC's if enabled (which it isn't by default).
-	Thanks to Eelco Vriezekolk for an initial patch.
-
-	While being there, clean up configure.in and acconfig.c a bit.
-
-	* src/helpers.c, src/status.c:
-	Add a few comments about security implications.
-
-	* src/cache.c, src/dns_answer.c, src/dns_query.c, src/helpers.c:
-	Change some occurences of strcpy to strncpy. Again, no risk here, the
-	buffer lentgh was carefully chosen, and while the data was partially of
-	remote origin, it was carefully validated before entering the cache (and
-	thus having a chance of being used by us).
-	3 occurences remain: 2 in cache.c, where we allocate a sufficient amount
-	of memory before (mimicking the non-portable strdup) and one where
-	we copy a constant and which is obviously correct.
-
-	* src/dns.c:
-	Change two occurences of strcat to strncat. Again, no risk here, the
-	buffer lentgh was carefully chosen, the data was validated and supplied
-	by the starting user.
-
-	* src/dns.c:
-	Change a sprintf to a snprintf and enlarge a buffer a bit. This is pure
-	paranoia (alrhough makes code review easier for others), because a.) the
-	lengths were carefully chosen so that no overrun could occur and
-	b.) this was locally supplied data.
-
-2001-05-21  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/RedHat/Makefile.am:
-	Add a missing semicolon in  the RedHat rc Makefile.am (discovered by
-	Christian Engstler).
-
-2001-05-19  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* HACKING: Remove the mostly outdated HACKING file.
-
-	* src/debug.c:
-	Catch a corner case in the allocation debug helpers: realloc() with a
-	size of 0 is effectively a free operation. To my knowledge, this is
-	not done in the pdnsd sources, however.
-
-	* src/test/test.sh:
-	Use the correct error function, forgotten in last commit.
-
-	* src/test/clnt-test.sh, src/test/srv-test.sh, src/test/test.sh:
-	Misc small improvements in the regression test scripts, mostly
-	adding configuration variables and common error handlers.
-	Comment a little on the tests that are done in clnt-test.sh
-
-	* src/rr_types.c: Fix a typo in a comment.
-
-	* src/cache.c, src/debug.c, src/dns_answer.c, src/dns_query.c, src/error.h, src/hash.c, src/list.c, src/main.c, src/status.c, src/thread.c, src/thread.h:
-	New ANSI variadic debug macros (finally), which print a timestamp and
-	a thread ID now for easier debugging with many parallel queries.
-	It should be considered to make those inline functions instead. However,
-	we have the advantage that we use printf in place here and benefit
-	from parameter checking without specifying obscure function attributes.
-
-	* src/rc/SuSE/.cvsignore, src/test/.cvsignore, src/rc/.cvsignore, src/rc/Debian/.cvsignore, src/rc/RedHat/.cvsignore, contrib/.cvsignore, doc/.cvsignore, src/.cvsignore, src/pdnsd-ctl/.cvsignore, .cvsignore:
-	Brush up the rotten (pre-autoconf!) .cvsignore files and add some where
-	necessary.
-
-2001-05-17  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/RedHat/Makefile.am, src/rc/RedHat/pdnsd.in, configure.in, pdnsd.spec.in:
-	Red Hat rc script and RPM improvements by Christian Engstler.
-
-2001-05-12  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl.c:
-	Fix a place missed when converting rr_info.
-
-	* version: It's 1.1.4, finally.
-
-	* src/rr_types.c, version:
-	Change some class values in the rr type structure to better values.
-	Bump beta version.
-
-2001-05-10  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/cache.c, src/dns_answer.c, src/dns_query.c:
-	Fix a signedness bug that could cause erraneous 0 ttls to be returned.
-	Add some debug messages, and do some minor fixups.
-
-2001-05-09  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/cache.c, src/rr_types.c:
-	Fix some bugs in the new conflict resolution code and make it more
-	complete.
-
-	* src/cache.c, version:
-	Add conflict resolution code. This needs a bit more checking, and
-	the tables might still need to be tweaked.
-	Bump version.
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/Makefile.am, src/cache.c, src/cache.h, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/consts.c, src/consts.h, src/debug.c, src/dns.c, src/dns_answer.c, src/dns_answer.h, src/dns_query.c, src/dns_query.h, src/error.c, src/error.h, src/hash.c, src/hash.h, src/helpers.c, src/helpers.h, src/icmp.c, src/icmp.h, src/list.c, src/main.c, src/netdev.c, src/netdev.h, src/rr_types.c, src/rr_types.h, src/servers.c, src/servers.h, src/status.c, src/status.h, src/thread.c, src/thread.h, configure.in, version:
-	Remove the old infrastructure that theoretically could have allowed for
-	multiple cache subsystems. This ability was never used, and if it should,
-	the caching should probably be split into two layers, a higher level
-	common one and the actual caching backends.
-	src/cacheing/cache.c and src/cacheing/native/*.[ch] were repo-copied to
-	src/.
-	Substitute "conf.h" with <conf.h> for includes.
-	Purge records a little more often (when adding records, and when
-	retrieving from the cache). Handle cache_size properly when using
-	purge_cent.
-	Introduce some infrastructure in rr_types.[ch] for a record conflict
-	checker which is to be introduced shortly to enforce cache consistency
-	even in the purge_cache=off case.
-
-2001-05-04  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/RedHat/pdnsd.in, src/rc/SuSE/pdnsd.in, src/rc/Debian/pdnsd.in:
-	Revert the last commit. It breaks the rc scripts by spamming them with
-	make style variable expansions.
-
-	* src/rc/SuSE/pdnsd.in, src/rc/RedHat/pdnsd.in, src/rc/Debian/pdnsd.in, AUTHORS, THANKS:
-	Fix a rc script bug spotted by Frank Elsner, and add him to AUTHORS and
-	THANKS.
-
-2001-05-01  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* version: Bump version to 1.1.4p2.
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/status.c:
-	Fix some bogons and remove some unneeded code in the pdnsd-ctl
-	interface.
-	Fix spelling and line length bugs.
-
-2001-04-30  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/conf-parse.y, src/status.c:
-	Some corrections for the authrec config file and the pdnsd-ctl noauth
-	support.
-
-	* src/pdnsd-ctl/pdnsd-ctl.c:
-	Fix wrong argv index (using getopt changed the indices).
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns.c, src/dns.h, src/dns_query.c, src/status.c, THANKS, version, AUTHORS:
-	Accumulated changes that should go in before 1.1.4:
-	- merge Andrew M. Bishop's patch that adds a server label option
-	- make local records authoritative for the domain by default, and add
-	  the authrec option to change this
-	- add the auth keyword to the pdnsd-ctl source option to support that
-	- fix a bug in the conf-parse.y grammar causing a shift/reduce conflict
-	- sync up AUTHORS and THANKS: add Andrew M. Bishop, Kevin A. Burton and
-	  Michael Steinl
-	- bump version to 1.1.4p1
-
-	* src/conff.c, src/main.c:
-	Fix two small bugs: the wrong element of argv was used for the pidfile
-	option, which could cause pdnsd to segfault, and C_INCLUDED was always
-	used in slist_add, regardless of the tp parameter.
-
-	* src/helpers.c:
-	Fix a bogon discovered by Michael Steiner:  the fread() return value
-	was tested against bytes, not the number of items.
-
-	* src/hash.c, src/hash.h, src/cache.c:
-	purge_cache used to walk over the cache quite inefficiently when it was
-	called from add_cache. Add a lazy mode for purge_cache which uses the
-	rrset_l to be efficient in this special case.
-	Add some #ifdef'ed-out-by-default code to debug the hash function.
-
-2001-04-12  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* NEWS: Add NEWS entry for 1.1.3.
-
-	* src/dns.c, src/helpers.c, src/icmp.c, contrib/Makefile.am, contrib/README, version:
-	IPv6, ICMP and build fixes. It's 1.1.3 now!
-
-	* src/debug.c, src/debug.h: Add the new debug support files.
-
-	* src/test/clnt-test.sh, src/cache.c, src/cache.h, src/error.h, src/list.c, src/list.h, src/main.c, src/status.c, src/status.h, src/Makefile.am, src/conf-parse.y, src/conff.h, src/dns.c, src/dns_answer.c, src/dns_query.c:
-	Add allocation debug support. Some small cleanups before the upcoming
-	1.1.3 release.
-
-	* src/dns_query.h, src/helpers.c, src/list.c, src/conff.c, src/dns.c, src/dns_answer.c, src/dns_query.c:
-	Lots of small bugfixes, cleanups, style and spelling fixes.
-
-	* src/test/clnt-test.sh: Fix nc arguments.
-
-	* src/test/clnt-test.sh, src/test/srv-test.sh, src/test/test.sh:
-	Add regression test scripts.
-
-2001-04-11  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/cache.c, src/servers.c, src/dns_answer.c, src/helpers.c, src/helpers.h, src/icmp.c, src/main.c:
-	Further cleanups and bug, style and spelling fixes.
-
-	* configure.in: Use -g again in the CFLAGS for a while.
-
-	* version: Beta version bump.
-
-	* src/rc/SuSE/pdnsd.in:
-	killproc does not seem to take the full path, but only the process name
-	(which is what one would expect).
-
-	* src/hash.c, src/netdev.c, src/rr_types.c, src/status.c, src/conf-parse.y, src/conff.c, src/helpers.c:
-	Misc. smaller fixes, and fixes on the new features. Also clean up style
-	and spelling in some places.
-
-	* src/dns_answer.c:
-	Bring the glibc pthread_cleanup_push/pthread_cleanup_pop return bug
-	workaround into the main tree.
-	Without this, a return between those two macros would cause pdnsd
-	to crash on system using a glibc between 2.1.2 and 2.2.2 (and possibly
-	others). This could e.g. be cause by a TCP connect() port scan.
-
-2001-04-10  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl.c:
-	Minor fixes, direct error messages to stderr.
-
-	* src/list.c, src/list.h: Add the new list implementations.
-
-	* src/cache.c, src/cache.h, src/conf-parse.y, src/dns.c, src/dns_answer.c, src/dns_query.c, src/helpers.c, src/helpers.h, src/conf-lex.l.in:
-	Introduce rhnlen and rhncpy and make use of it instead of kluged-up
-	strcpy/strlen in the appropriate places.
-	Check that incoming names contain only legal characters in
-	decompress_name, return RC_FORMAT otherwise (this would result in
-	wrong handling only, but not in a security hole).
-	Reorganzie compose_answer and make it more correct for multiple
-	questions. Get rid of the algorithm that tries to add a higher
-	level name server; this might be readded in another place somewhen.
-	Use some more da_* instead of hand-built lists.
-	Some style cleanups.
-
-	* src/rc/RedHat/Makefile.am:
-	Add K45pdnsd links for rc6.d (reboot) and rc0.d (halt) following a
-	suggestion by Stas Sergeev.
-
-2001-04-06  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/cache.h, src/error.h, src/helpers.c, src/helpers.h, src/main.c, src/servers.c, src/status.c, src/conf-parse.y, src/conff.c, src/conff.h, src/dns.c, src/dns.h, src/dns_answer.c, src/dns_query.c, src/Makefile.am, version:
-	Bump alpha version; introduce a generic dynamic array type and make use
-	of it to ged rid of some ugly casts and redundant code.
-	Minor fixes.
-
-	* src/icmp.h, src/ipvers.h, src/conff.h, src/consts.h, src/dns.h, src/dns_answer.h, src/dns_query.h, src/helpers.h:
-	Use macros without an underscore as first character to protect the
-	headers. Underscores are reserved and should not be used in the
-	application name space.
-
-	* src/error.h: Add PDNSD_ASSERT, change style a little.
-
-2001-04-03  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/hash.c, src/netdev.c, src/servers.c, src/helpers.c, src/icmp.c, src/main.c:
-	Another slew of small bugfixes, minor updates and small fixes.
-
-	* src/rr_types.c, src/consts.c:
-	Update rr_types.c copyright date, consts.c should have a rcsid string.
-
-	* src/rr_types.c: cvs add rr_types.c.
-
-	* src/dns.h, src/helpers.h, src/ipvers.h, src/rr_types.h, src/status.h, src/conf-parse.y, src/conff.h:
-	cvs add rr_types.h that got missed before, update copyright dates,
-	remove some old config cruft, some minor fixups.
-
-	* src/conff.c, src/consts.c, src/dns_answer.c, src/error.c, src/conf-lex.l.in, src/conf-parse.y:
-	Update copyright dates, fix some minor bugs. Update copyright dates.
-	cvs add missed consts.c.
-
-2001-03-28  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/cache.c, src/hash.c, src/error.c, src/servers.c, src/dns_answer.c, version:
-	Bump version to 1.1.3p4
-	Fix some non-critical locking issues (none of them could be fatal).
-	Adjust copyright dates.
-
-	* src/hash.c: Make the hash compare case insensitive.
-
-2001-03-25  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* contrib/Makefile.am: Add Id tag to Makefile.am
-
-	* src/cache.c, src/dns_answer.c, src/icmp.c:
-	Some more type fixes overlooked in last commit.
-
-	* src/conf-parse.y, src/conff.h, src/dns.h, src/dns_answer.c, src/dns_query.c, src/icmp.c:
-	More type cleanups. Use time_t for time specifications throughout, and
-	make lengths singed longs. Cast cleanup in icmp.c to fix alpha
-	unalinged access faults.
-
-	* contrib/dhcp2pdnsd, contrib/pdnsd_dhcp.pl, contrib/save_ram.pl, contrib/Makefile.am, contrib/README, configure.in, version, Makefile.am:
-	It's 1.1.3p3 now.
-	Change the contrib infrastructure: there is a Makfile.am in contrib/
-	now. Rename Marko Stolle's pdnsd_update.pl to pdnsd_dhcp.pl and bring
-	it up to date (adding the rc script and save_ram.pl).
-
-	* src/helpers.c, src/dns.c, src/dns_query.c, AUTHORS, THANKS:
-	Bring in Bjoern Fischer's changes to make pdnsd conserve the case of
-	cached names, and add him to AUTHORS and THANKS.
-
-	* configure.in: The gdbm backend is discontinued.
-
-	* src/cache.c, src/hash.c:
-	Cleanup and small bugfixes of the cache code (esp. locking).
-
-	* AUTHORS, THANKS, file-list.base.in, pdnsd.spec.in:
-	SuSE fixes by Christian Engstler.
-	Add him to AUTHORS, THANKS.
-
-2001-03-14  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_query.c:
-	Fix a bug that could cause servers that were not used in the first
-	parallel query not to be used at all (failure would be returned
-	instead).
-
-2001-03-13  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/icmp.c: Add define for ip_p equivalent on Linux.
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/cache.c, src/dns_query.c, src/icmp.c, src/status.c, src/conf-parse.y, src/dns_answer.c, version:
-	Bump alpha version, more alignment fixes. All casts should be correct
-	now.
-
-2001-03-12  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c, src/dns_query.c, AUTHORS, THANKS:
-	Add the alpha fixes by P.J. Bostley, and add him to THANKS and AUTHORS.
-
-2001-03-10  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns.h, src/helpers.h:
-	Remove prototype for removed function strtolower.
-	Use unit16_t and uint32_t instead of unsinged short/long for dns
-	protocol structures.
-
-2001-02-25  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/status.c, src/conf-lex.l.in, src/conf-parse.y, AUTHORS, Makefile.am, version:
-	Add MX and CNAME for rr sections in the config file and MX setting
-	for pdnsd-ctl.
-	Typo fixes.
-
-	* src/netdev.c: Two more fixes.
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/cache.c, src/dns.c, src/main.c:
-	More small robustness fixes.
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/netdev.c, src/status.c, src/status.h, src/conf-parse.y, src/helpers.c, src/main.c, configure.in, version, Makefile.am, NEWS:
-	A batch of robustness fixes. Move the status socket to the cache
-	directory. Various cleanups.
-	It's 1.3 now (hopefully to be released soon).
-
-2001-02-21  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/main.c, src/conf-lex.l.in:
-	Fix breakage of the -mtu option and the query_method option (the parser
-	would not recognize constants that contained underscores).
-
-2001-02-20  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* contrib/README, contrib/pdnsd_dhcp.pl, AUTHORS, Makefile.am, THANKS, file-list.base.in:
-	Add Marko Stolle's pdnsd_update.pl DHCP update script, add him to THANKS,
-	and bring a contrib/ directory in place.
-
-2001-02-15  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c, configure.in, version:
-	Some minor build & misc fixes. Bump version to 1.1.2a and release a
-	version with the spec file fixes to get proper Red Hat RPM's.
-
-2001-02-09  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* NEWS: Bring NEWS up to date.
-
-	* src/icmp.c: Do not close the socket on error.
-
-	* pdnsd.spec.in: Add spec file fixes for man pages by Sourav K. Mandal
-
-2001-02-07  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* version: It is now 1.1.2.
-
-	* src/dns_query.c, src/main.c, Makefile.am, THANKS:
-	Fix a too strict length checking that could cause SERVFAIL to be returned
-	when the server returned NXDOMAIN. Add Markus Storm to THANKS (he has
-	reported this bug and supplied helpful information).
-	Minor tweaking in main.c.
-	Remove emptying of GZIP_ENV in Makefile.am (this normally contains --best).
-
-2001-01-27  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* AUTHORS, THANKS:
-	Add Michael Wiedmann to AUTHORS and THANKS for his pdnsd-ctl.8 man page.
-
-	* doc/Makefile.am, doc/pdnsd-ctl.8, configure.in, Makefile.am:
-	Add the pdnsd-ctl man page contributed by Michael Wiedmann. For this to
-	build in a correct way, add doc/Makefile.am and move all doc and
-	pdnsd.conf.sample related stuff in there.
-
-2001-01-25  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/main.c: Removed unneeded for the non-O_NOFOLLOW case.
-
-2001-01-24  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/main.c:
-	Add a fchown and a fchmod to the new non-O_NOFOLLOW case (not yet used).
-
-	* src/conf-parse.y, src/main.c, src/status.c: Misc small fixups.
-
-	* version: It's called 1.1.1 now.
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/status.c, src/main.c:
-	Fix command line parsing. Add code to securely create pid files under
-	OSs that do not support the O_NOFOLLOW flag (those OSs are not supported
-	yet, though).
-	Fix a possible race condition in socket creation/chmod. We now create
-	a directory in /tmp (or whatever TEMPDIR was set) to hold the socket.
-
-	* src/dns.c, src/dns_answer.c, src/icmp.c, src/main.c, src/status.c:
-	Another slew of copyright notice upgrades.
-
-	* version, configure.in:
-	Bump beta revision, fix typo (missing $) in configure.in
-
-	* src/dns.c, src/dns_answer.c, src/status.c:
-	Silence BSD compile time warnings.
-
-	* configure.in:
-	Cleanup, add autoconf code for building pdnsd on FreeBSD-CURRENT with the
-	new additionally-linked libc_r.
-
-2001-01-16  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c, src/icmp.c, version:
-	Bump beta revision, fix a comment. Also, generate ping id's using pdnsd's
-	random wrappers instead of using rand() for paranoia.
-
-2001-01-15  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/helpers.c, configure.in: Improve wording.
-
-	* src/helpers.c: Update copyright year (forgotten in last commit).
-
-	* src/dns_answer.c, src/helpers.c, src/main.c, acconfig.h, configure.in, version:
-	Bump versions. Small fixes (move socket intitializations from
-	udp_server_thread to init_udp_sockets to prevent warning when startup
-	takes long.
-	Make arc4random an option for a query id RNG and make it the default
-	on FreeBSD.
-
-2000-12-07  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/conf-parse.y, src/main.c, version:
-	We are at 1.1.1p1. Removed the exec-uptest security warning printef if no
-	explicit user is given in the strict_setuid case (it is not needed there,
-	and confuses users).
-
-2000-11-28  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/cache.c, src/helpers.c:
-	Converted cache locks to use condition vars and have lock contention
-	prevention. Added comments where not converted.
-
-2000-11-25  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* AUTHORS, THANKS, pdnsd.spec.in:
-	Added spec file patches by Bernd Leibing and added him to AUTHORS and
-	THANKS.
-
-2000-11-21  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/SuSE/Makefile.am: Fixed a hopefully last SuSE rpm build bug.
-
-	* src/rc/SuSE/Makefile.am:
-	Another one: allow rc.conf manipulation to fail for a clean
-	rpm build (SuSE only).
-
-	* file-list.base.in:
-	Last-minute fix: correct filelist for rpm build to reflect the new name
-	for the sample configuration.
-
-	* version: It's 1.1.0 now.
-
-2000-11-18  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/cache.c, src/dns_query.c, version:
-	Fixed a condition where the cache code did not give up a lock.
-	Made the udp code use connect().
-	Some small changes.
-
-2000-11-16  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* version: Calling it 1.1.0b3.
-
-2000-11-15  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/test/Makefile.am, src/pdnsd-ctl/Makefile.am, src/cache.c, src/Makefile.am, src/dns_answer.c, src/error.h, src/icmp.c, src/icmp.h, src/main.c, src/netdev.c, src/servers.c, src/thread.c, Makefile.am, configure.in, version:
-	Enabled new rr support by default (some resolvers don't seem to like not
-	supported answers - not our bug, but well).
-	Made some globals volatile to avoid being bitten by optimisations.
-
-2000-11-12  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* TODO, version: Called it the first beta.
-
-2000-11-11  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/cache.c, src/conf-lex.l.in, src/conf-parse.y, doc/pdnsd.conf.in:
-	renanmed rrneg to neg in the config file.
-	Misc small fixes.
-	pdnsd-ctl record xxx inval will now also invalidate local records.
-
-	* src/conf-lex.l.in, src/conf-parse.y, src/dns_answer.c, src/status.c, pdnsd.spec.in:
-	Added --sysconfdir=/etc as argument to configure in the spec file.
-	Implemented the new rrneg config file section.
-
-	* src/test/Makefile.am, src/pdnsd-ctl/Makefile.am, src/pdnsd-ctl/pdnsd-ctl.c, src/cache.c, src/cache.h, src/status.c, src/status.h, TODO:
-	Added the neg option to pdnsd-ctl.
-
-	* src/cache.c, src/Makefile.am, src/conf-lex.l.in, src/consts.h, src/dns.c, src/dns.h, src/dns_answer.c, src/dns_query.c, src/helpers.c, src/main.c, configure.in:
-	Assorted fixes. The new features should be stabilized by now, will
-	integrate the missing few features now.
-	Also actived the tcp server by default.
-
-2000-11-07  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c, src/dns_query.c, src/icmp.c, src/ipvers.h, THANKS, TODO:
-	Fixed a possible memory and socket leak reported by Erich Reitz.
-	Implemented udp source address discovery for FreeBSD.
-
-	* src/dns_query.c: Part 2 of yesterdays fix.
-
-2000-11-06  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_query.c, version:
-	Fixed a bug reported by Erich Reitz: pdnsd could leak fd's and memory if
-	queries timed out.
-
-	* src/cache.c, src/cache.h, src/Makefile.am, src/dns_answer.c, src/dns_query.c, TODO, configure.in:
-	Sorted out some bugs for the new neg cacheing.
-
-2000-11-05  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/cache.c, src/dns_query.c, TODO:
-	Negative cacheing support is now present, but largely untested.
-
-	* src/conff.c, TODO:
-	The output of pdnsd-ctl status is now complete with all currently
-	supported options.
-
-	* src/conf-parse.y, src/conff.c, src/conff.h, src/consts.h, src/conf-lex.l.in:
-	Added the config file options for the nefative cacheing support.
-
-2000-11-04  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/cache.c, src/cache.h, src/conf-parse.y, src/dns.c, src/dns_query.c, src/status.c, version:
-	The new cache infrastructure for negative cacheing is in place.
-	Using and testing it remains.
-
-	* src/cache.c, src/cache.h:
-	First changes to support negative cacheing. This should not break
-	anything, but the cache file format will be incompatible.
-
-	* src/main.c, src/dns_answer.c:
-	init_udp_socket() and init_tcp_socket() are now called after
-	daemonizing on FreeBSD, as bind wants to lock the fd which
-	can cause later calls to fail after an exit.
-
-2000-11-03  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_query.c, src/icmp.c, src/servers.c:
-	Minor bugfixes and repository cleanup.
-
-2000-11-02  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/icmp.c, TODO, version:
-	Called it 1.0.16p4. Fixed some compatability problems with the new code;
-	the ipv4 implementation seems to be fairly stable, the ipv6 one needs
-	some testing with dest unreach messages.
-
-	* src/icmp.c, src/main.c:
-	Rewrote large parts of the ping implementation to be more portable.
-
-2000-11-01  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* acconfig.h, configure.in, version:
-	Some config fixes, version to 1.0.16p3. SOCKET_LOCKING should be
-	off by default, as sendmsg can block.
-
-	* src/pdnsd-ctl/pdnsd-ctl.c, src/error.h, configure.in:
-	Removed -W* arguments from CFLAGS that were implied by -Wall.
-
-	* src/thread.c, configure.in:
-	Added some more safety tests to configure.in, and made it give
-	an error on some conditions. Also made configure do poll and usleep
-	detectione.
-
-	* src/cache.h, src/test/Makefile.am, src/dns_answer.c, src/error.c, src/error.h, src/helpers.c, src/main.c, src/servers.c, src/status.c, src/thread.c, src/thread.h, src/Makefile.am:
-	Code cleanup. Beautified some macros, and moved the thread
-	specific things from error.[ch] over to the new thread.[ch].
-	Also introduced usleep_r which tries to be thread safe for
-	different Unices.
-
-2000-10-31  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl, src/pdnsd-ctl/pdnsd-ctl.c:
-	The pdnsd-ctl binary got into cvs. Fixed that.
-
-	* src/pdnsd-ctl/pdnsd-ctl, src/cache.c, src/cache.h, src/error.c, src/helpers.c, src/main.c, version:
-	Another set of FreeBSD compatability patches. This seems to catch
-	most of the problems, and pdnsd should be useable with libc_r now.
-
-2000-10-30  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/pdnsd-ctl/pdnsd-ctl, src/conff.c, src/dns_answer.c, src/dns_query.c, src/helpers.c, src/icmp.c, src/main.c, AUTHORS, Makefile.am, THANKS, configure.in, version:
-	FreeBSD fixes, mostly contributed by Roman Shterenzon.
-
-2000-10-25  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/pdnsd-ctl/Makefile.am, src/pdnsd-ctl/pdnsd-ctl:
-	pdnsd-ctl was not in cvs.
-
-	* src/dns_query.c, src/error.h, configure.in: Some fixups for 1.0.15.
-
-2000-10-23  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c, src/dns_query.c, configure.in:
-	Several fixes for pdnsd to work better when it receives error replys.
-
-	* src/dns.c, src/dns_answer.c:
-	Fixed another memory leak on an error path in dns_answer.c and did
-	a pointer signedness fixup in dns.c
-
-2000-10-21  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c, AUTHORS:
-	Applied a patch by Paul Wagland that fixes some spelling mistakes
-	and some memory leaks on error paths.
-
-	* src/dns_query.c, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns_answer.c, NEWS, version:
-	Bug fixes. Added the randomize_recs option and turned it on
-	by default.
-
-2000-10-20  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/helpers.c, src/dns.c, src/dns_query.c:
-	Fixes for the paranoid option to work with root servers
-	properly.
-
-	* src/dns_query.c, src/dns.h, src/dns_answer.c, AUTHORS, THANKS:
-	Applied a patch by Paul Wagland for bind9-compatability and added
-	him to AUTHORS and THANKS.
-
-2000-10-19  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c, NEWS, version:
-	Another POLL_* fix. It is now called 1.0.14.
-
-	* src/dns_answer.c, src/dns_query.c, src/icmp.c: BSD build fixes.
-
-	* src/dns_query.c:
-	Made p_recurdive_query return immediately if a query returns
-	NXDOMAIN.
-
-	* src/dns_query.c, Makefile.am:
-	Some bugifixes. It is now called 1.0.13. Releasing.
-
-	* src/cache.c, src/dns_query.c, AUTHORS, NEWS:
-	Updated AUTHORS and NEWS. Made destroy_cache() lock the cache so
-	that no thread can access the cache afterwards (could lead to
-	crashes).
-
-	* src/helpers.c, NEWS, THANKS:
-	Integrated a security fix contributed by Olaf Kirch: when
-	changing user IDs, pdnsd did not reinitialize the supplementary
-	group list, meaning that the process still had the privileges
-	of the supplementary groups the original user was member of.
-
-	* src/conf-lex.l.in, src/conf-parse.y, Makefile.am, TODO, version:
-	Introduced the par_queries option.
-
-	* src/dns_answer.c, src/dns_query.c, TODO:
-	Updated TODO, did some fixups for string handling.
-
-	* HACKING: Added HACKING with some comments about coding style.
-
-2000-10-18  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c, src/dns_query.c, src/error.h, src/main.c, TODO:
-	Revieved and fixed the new dns_query.c-poll/select loops.
-
-	* src/test/tping.c, src/dns_query.c, src/icmp.c:
-	Fixed the new poll/select ping support.
-
-2000-10-17  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_query.c, src/icmp.c, TODO:
-	Got rid of the O_NONBLOCK loop in the icmp.c ping implementation.
-	Beta tesing pending.
-
-	* src/rc/Debian/Makefile.am, src/conff.c, src/conff.h, src/dns_query.c, src/dns_query.h, THANKS, TODO, acconfig.h, configure.in:
-	Corrected the Debian rc script (bug reported by Michael Müller).
-	Got rid of the nonblocking socket things in dns_query.c, and
-	using poll/select now.
-	Testing (esp. --no-poll) remains.
-
-	* src/dns_answer.c:
-	Got rid of O_NONBLOCK read loops in dns_answer.c, using poll/select
-	now instead (after one issue about boundaries was cleared up).
-
-2000-10-16  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/SuSE/Makefile.am, src/rc/RedHat/Makefile.am, src/rc/Debian/Makefile.am:
-	The generated rc scripts do not need to be in the distribution.
-
-	* src/conff.c, src/main.c:
-	Fixed a server structure members in conff.c. Only delete the socket
-	if we are in status pipe mode now.
-
-	* src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns_answer.c, src/dns_query.c, acconfig.h, configure.in:
-	Added the --enable-tcp-subseq and --with-tcp-qtimeout configure
-	options, added the tcp_qtimeout conf file option, tested things.
-	1.0.12 is ready for release.
-
-2000-10-15  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c, TODO, acconfig.h:
-	Added TCP timeouts to the answer code. Still need an option in the
-	conf file and documentation for that (besides beta testing).
-
-	* src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/consts.h, src/dns_query.c, src/helpers.c, src/helpers.h, NEWS, TODO:
-	Introduced domain inclusion/exclusion lists in the server section
-	(new options include=, exclude=, policy=).
-
-2000-10-14  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns_answer.c, src/main.c, NEWS, TODO, version:
-	Upped version, updated NEWS and TODO and implemented a process
-	count limit.
-
-2000-10-13  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/Debian/pdnsd.in, src/main.c:
-	Added the --pdnsd-user option, and made the Debian rc script
-	use it rather than trying to parse the config file itself.
-
-2000-10-11  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/SuSE/pdnsd, src/rc/SuSE/pdnsd.in, src/rc/RedHat/pdnsd, src/rc/RedHat/pdnsd.in, src/rc/Debian/pdnsd, src/rc/Debian/pdnsd.in, AUTHORS, THANKS, configure.in:
-	Added the 'configure'-able rc scripts contributed by Carsten Block
-	and added him to THANKS and AUTHORS.
-
-	* src/main.c:
-	Added O_NOFOLLOW to the pidfile open() call (if it is defined)
-	to prevent users creating files as the pdnsd user (using links)
-	if the admin put the pidfile in a world-writeable directory
-	against all good advice.
-	This is not a bug fix! Admins were not, and are still not supposed
-	to put the pidfile in a directory that is writeable for untrusted
-	users!
-
-2000-10-10  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* THANKS: Added Milan P. Stanic to THANKS.
-
-	* src/main.c:
-	Fixed a missing O_WRONLY in the open() call for pidfile operation.
-
-2000-10-08  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/Makefile.am, src/dns.c, src/dns_answer.c, configure.in, version, acconfig.h:
-	Released 1.0.11.
-	Two security fixes in dns.c and dns_answer.c, and misc. smaller issues.
-
-	* src/Makefile.am, src/conf-parse.y, src/dns_answer.c, src/dns_query.c, src/icmp.c, src/servers.c, AUTHORS, THANKS, TODO, acconfig.h, configure.in, version:
-	1.0.10 was released some time ago ;-)
-	This had some IPv6 fixes.
-	Also fixed minor bug when using SOCKET_LOCKING.
-
-2000-08-28  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/dns_answer.c: Fixed a parameter mismatch in getsockopt()
-
-	* Makefile.am:
-	Applied Sourav K. Mandal's rpm build patch to the toplevel
-	Makefile.am
-
-2000-08-27  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/conf-lex.l.in, src/conf-parse.y, src/consts.h, src/servers.c, version:
-	Added diald support. It's now called 1.0.9.
-
-	* src/conf-parse.y, src/conff.c, src/netdev.c, pdnsd.spec.in:
-	Fixed some ugly typos in conf-parse.y and netdev.c.
-	Since I have no further bug reports and these bugs make some
-	things inconvenient, I will release 1.0.9 immediately.
-
-2000-08-26  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* pdnsd.spec.in: small spec fix.
-
-	* NEWS, configure.in: Last fixups for 1.0.8. Released it.
-
-	* Makefile.am: Set mode and owner for cache file.
-
-	* src/conf-parse.y, src/dns_answer.c, src/netdev.c, acconfig.h, configure.in, version:
-	Misc fixes. Hopefully fixed the UDP socket problems under Linux SMP.
-
-2000-08-20  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/cache.c, src/dns_answer.c, AUTHORS, THANKS, configure.in, pdnsd.spec.in, version:
-	Build fixes by Alexandre Nunes, spec fixes (does now set distro for
-	configure), first attempt at an "error in udp send"-fix, and fix
-	for a problem with having records for the root domain in the disk
-	cache file.
-
-2000-08-13  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/netdev.h, src/servers.c, src/status.c, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/consts.h, src/dns.c, src/dns.h, src/main.c, src/netdev.c, AUTHORS, THANKS:
-	Some minor fixes. Integrated the ppp device patch by Ron Yorston.
-
-2000-08-12  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* configure.in:
-	configure.in was missing in repository. Also removed debugging
-	flag for build.
-
-	* src/main.c: Made the pid file handling safe for directories.
-
-	* src/dns.c: Part II of the last fix.
-
-	* src/dns.c:
-	Fixed a nasty bug in decompress_name which would produce errors very
-	rarely. That was a off-by-one bug, but on the safe side (no overflow,
-	stopping one by too early).
-
-	* src/main.c:
-	Fixed several possible problems with strncat(). None of these was
-	critical or involved remote data.
-
-2000-08-08  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/main.c: Changed FreeBSD signal latency to 250 ms.
-
-	* src/main.c, acconfig.h:
-	A set of last-minute FreeBSD fixes. pdnsd does now NEED linuxthreads on
-	BSD.
-
-2000-08-07  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* version: It's now called 1.0.7.
-
-	* src/main.c, doc/pdnsd.conf.in, Makefile.am: Misc build&BSD fixes.
-
-	* src/conff.c, src/conf-parse.y, version:
-	Version set to the hopefully last beta. Fixed the proxy_only option.
-
-2000-08-05  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/SuSE/Makefile.am, src/rc/RedHat/Makefile.am, src/rc/Debian/Makefile.am, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns_query.c, src/status.c, doc/pdnsd.conf.in, Makefile.am, TODO:
-	Added the proxy_only options. Some build fixups.
-
-2000-07-30  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/SuSE/Makefile.am, src/rc/RedHat/Makefile.am, src/rc/Debian/Makefile.am, src/rc/Makefile.am, src/main.c, src/status.h, AUTHORS, INSTALL, Makefile.am, TODO, version:
-	Many small fixups for 1.0.7.
-
-2000-07-29  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/SuSE/Makefile.am, src/rc/RedHat/Makefile.am, src/rc/Debian/Makefile.am, src/rc/README, src/status.c, src/servers.c, Makefile.am, TODO, acconfig.h:
-	Assorted fixes.
-
-	* src/cache.c, src/hash.c, src/dns.h, src/dns_answer.c, src/dns_query.c, src/icmp.c, src/ipvers.h, src/servers.c, src/servers.h, src/status.c, src/status.h, src/Makefile.am, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns.c, AUTHORS, Makefile.am, THANKS:
-	Big heap of updates and fixes. Incorporated build changes from Sourav
-	K. Mandal and pcmcia SCHEME support by Stephan Boettcher.
-
-2000-07-22  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/rc/Debian/pdnsd:
-	Applied a patch by Markus Mohr to his debian rc script, which I had
-	broken in some way.
-
-2000-07-21  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* src/cache.c, src/main.c, src/status.c, src/status.h:
-	Worked on the new status socket (pdnsd-ctl) option.
-
-	* src/Makefile.am, version: Upped version, fixed Makefile.am
-
-	* src/cache.c, src/hash.c, src/hash.h, src/cache.h, src/Makefile.am, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns.c, src/dns.h, src/dns_answer.c, src/dns_query.c, src/dns_query.h, src/helpers.c, src/helpers.h, src/ipvers.h, src/main.c, src/status.c, src/status.h, AUTHORS, Makefile.am, THANKS, acconfig.h:
-	Updated AUTHORS and THANKS. Merged in patches by Sourav K. Mandal
-	and Lyonel Vincent.
-
-2000-07-20  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* doc/pdnsd.conf: Added pdnsd.conf. Well...
-
-	* src/dns_query.c, src/dns_query.h, doc/pdnsd.conf:
-	Added some ommited files.
-
-	* src/test/Makefile.am, src/test/if_up.c, src/test/is_local_addr.c, src/test/random.c, src/test/tping.c, src/rc/SuSE/Makefile.am, src/rc/SuSE/pdnsd, src/rc/RedHat/Makefile.am, src/rc/RedHat/pdnsd, src/rc/Debian/pdnsd, src/rc/Makefile.am, src/rc/README, src/Makefile.am, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/consts.h, src/dns.c, src/dns.h, src/dns_answer.c, src/dns_answer.h, src/error.c, src/error.h, src/helpers.c, src/helpers.h, src/icmp.c, src/icmp.h, src/ipvers.h, src/main.c, src/netdev.c, src/netdev.h, src/servers.c, src/servers.h, src/status.c, src/status.h, doc/pdnsd.conf.in, Makefile.am, acconfig.h, file-list.base.in, pdnsd.spec.in:
-	Checked in the pdnsd files at their new locations.
-
-	* doc/pdnsd.conf, Makefile, a-conf.sh, cache.c, cache.h, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, consts.h, dns.c, dns.h, dns_answer.c, dns_answer.h, dns_query.c, dns_query.h, error.c, error.h, exec-flex.sh, hash.c, hash.h, helpers.c, helpers.h, icmp.c, icmp.h, ipvers.h, main.c, netdev.c, netdev.h, pdnsd-redhat.spec.templ, pdnsd-suse.spec.templ, servers.c, servers.h, status.c, status.h, version:
-	Removed the moved files. Will add the new ones soon.
-
-2000-07-16  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* TODO: New tasks in TODO.
-
-2000-07-15  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* TODO:
-	Updated TODO: Autoconf support was contributed by Sourav K. Mandal
-
-	* conff.h, dns_query.c, ipvers.h, cache.c:
-	Fixed some minor bugs and a showstopper in cache.c that caused
-	crashes in some situations.
-
-2000-07-12  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* dns_query.c, error.c, error.h, main.c:
-	Made pdnsd ignore SIGPIPE, which seemed to be responsible for some
-	crashes.
-	Accept (grudgingly) SOA rr's where NS ones would be The Right Thing.
-
-2000-07-10  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* AUTHORS, THANKS, conff.c:
-	Updated AUTHORS, THANKS, and the fprintfs for the status pipe in
-	conff.c
-
-	* TODO, config.h.templ, dns.h, dns_answer.c, dns_query.c, dns_query.h, main.c, version:
-	Added UDP queries and gave the user the choice between TCP and UDP
-	queries (UDP is the default now). Made the TCP server optional.
-	Fixed a authoritative record handling bug. Added pidfile support.
-
-2000-07-07  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* doc/pdnsd.conf:
-	Inserted run_as="nobody"; again, it is The Right Thing and people
-	should use it.
-
-	* Makefile:
-	The pdnsd cache directory is now created as nobody, since the
-	default run_as in the example pdnsd.conf is also nobody.
-
-	* doc/pdnsd.conf:
-	Commented the run_as option out (people may run into permission
-	problems).
-
-	* version: Upped version to 1.0.5
-
-	* AUTHORS, THANKS, conf.l.templ, conf.y, conff.c, conff.h, dns_answer.c, icmp.c, icmp.h, main.c, version:
-	Folded in the server_ip option code as contributed by Wolfgang Ocker
-	and extended it to IPv6. Fixed a bug in IPv4 ping in IPv6 mode.
-
-2000-07-06  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* cache.c, dns_query.c:
-	Killed a bug which could cause crashes with more than 2 servers.
-
-	* cache.c: Fixed a bug reported by Bert Frederiks that would break the
-	serve_aliases option when only one character was between official
-	name and alias in the /etc/hosts-style file.
-
-2000-07-04  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* pdnsd-suse.spec.templ: The SuSE spec now uses the new makefile rule.
-
-	* Makefile, THANKS, dns_query.c, helpers.c, version:
-	Added people to THANKS, fixed a bug that caused uppercase hosts/
-	rr-section entries to be ignored in the cache, fixed the SuSE
-	makefile for pdnsd to run_as nobody, and other small fixups.
-
-2000-07-03  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* dns_answer.c:
-	First change after release of 1.0.4: The questions received
-	are now properly written into the debug file when starting
-	with -g -d.
-
-	* config.h.templ, dns_query.c:
-	Fixed a possible way to get around paranoid restrictions.
-
-	* version: Set version to 1.0.4
-
-	* doc/pdnsd.conf: Added an entry for the paranoid option.
-
-	* cache.c, config.h.templ, dns_answer.c, dns_query.c, ipvers.h:
-	Revisions and fixups. The complete code revision is now complete.
-
-2000-06-29  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* dns_query.c: Overhaul.
-
-	* dns_answer.c, dns_query.c, config.h.templ:
-	Code overhault continued. dns_answer.c is finished.
-
-2000-06-27  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* conff.c, dns_answer.c, icmp.c, netdev.c, servers.c, status.c:
-	Continued code overhaul. Fixed several bugs, and simplified some
-	code.
-
-	* conf.l.templ, conf.y, conff.c, ipvers.h, version: Fixups.
-
-2000-06-26  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* hash.c: Revised; fixed a minor bug.
-
-	* cache.c: Overhauled.
-
-	* dns_query.c, error.c, helpers.c, helpers.h, ipvers.h, main.c, version, dns.c:
-	Manual code overhaul. Numerous small patches, greatly simplified
-	decompress_name().
-
-2000-06-25  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* config.h.templ:
-	Made the C random() RNG the default (using /dev/urandom, we suck up
-	too much randomness on high load).
-
-	* error.c, error.h, icmp.c, icmp.h, main.c:
-	Small cleanups. Makes the testsuite compilation easier.
-
-	* Makefile, config.h.templ: Preparing for release of 1.0.4.
-
-2000-06-24  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* Makefile, THANKS, a-conf.sh, dns_answer.c, dns_query.c, error.c, version:
-	Fixed bugs with the paranoid option, connect() timeout handling, and
-	a incompatability in response handling that caused the glibc
-	resolver to misunderstand error messages pdnsd generated on unknown
-	query types. This bug, that was reported by James MacLean, could
-	for example cause ssh to hang some time.
-
-	* Makefile, NEWS, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, dns.c, dns_query.c, dns_query.h, helpers.c, helpers.h, icmp.c, icmp.h, main.c:
-	Added the paranoid option, and modified the ping uptest so that it
-	works with strict_setuid. Also made strict_setuid=on the default.
-	1.0.4 should be out soon.
-
-2000-06-23  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* doc/pdnsd.conf: Added a run_as= line, which is sensible normally.
-
-	* Makefile, conf.l.templ, conf.y, conff.c, conff.h, dns_answer.c, dns_answer.h, helpers.c, helpers.h, main.c, servers.c, status.c, version:
-	Some fixups, added the run_as and strict_setuid security options.
-
-	* THANKS: Updated.
-
-	* AUTHORS, ipvers.h, main.c, netdev.c, version:
-	Fixed some definitions for glibc2.0-users. Repaced the return at the
-	end of main() with _exit(). Should not build and run OK on glibc 2.0
-	boxen.
-	Fixed a typo in netdev.c
-
-	* ipvers.h:
-	Fixed a typo in ipvers.h to fix compile problems on systems without
-	an IPv6-supporting C library, and possible IPv6 problems using the
-	status pipe.
-
-	* error.c, version:
-	Fixed a bug that could cause signals to be delivered to the wrong
-	process.
-
-2000-06-22  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* version: Set version to 1.0.1.
-
-	* cache.c, dns_answer.c, error.c, error.h, main.c, pdnsd-suse.spec.templ:
-	Fixed misc issues reported by Jonathan Hudson and Joachim Dorner, one
-	of them a real showstopper in cache.c.
-
-	* Makefile, NEWS, README, cache.h, config.h.templ, version:
-	Updated things for 1.0.0 and released it finally.
-
-	* AUTHORS, THANKS: Updated THANKS and AUTHORS
-
-	* NEWS, a-conf.sh, cache.c, conf.l.templ, conf.y, conff.c, conff.h, dns_answer.c, dns_query.c, error.c, error.h, main.c, servers.c, status.c:
-	Fixed a-conf.sh and cleaned up signal handling as far as it can be
-	done ;-). Added the max_ttl option.
-
-2000-06-21  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* dns_answer.c, error.c, error.h, main.c, servers.c, status.c:
-	More signal fixes. This is a real pain with LinuxThreads.
-
-	* NEWS, cache.c, dns_answer.c, error.c, error.h, helpers.c, helpers.h, main.c, servers.c, status.c, version:
-	Fixups for signal handling. This is more than only a little tricky
-	using the linuxthreads library. This hopefully fixes the deadlocks
-	we had on signals.
-
-2000-06-13  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* AUTHORS, THANKS: Updated credits.
-
-	* a-conf.sh:
-	A primitive configure-like script intended as drop-in replacement
-	until autoconf support finally comes.
-
-	* .cvsignore, Makefile, cache.c, dns_query.c, ipvers.h, servers.c, version:
-	Added a primitive configuration script as drop-in. Killed some bugs
-	and changed the recently added linkdown_kluge option following
-	suggestions from Daniel Smolik.
-
-2000-06-12  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* dns_query.h, exec-flex.sh, Makefile, cache.c, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, dns_query.c:
-	Numerous cleanups and fixes. Implemented the linkdown_kluge option
-	as proposed by Daniel Smolik. Hope to get ready for 1.0.0 know.
-
-2000-06-10  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* Makefile, NEWS, TODO, dns_answer.c:
-	Modified some stuff in dns_answer.c (if no nameserver for a knot in
-	the dns namespace is found now, its predecessors are tried now in
-	order to return accurate authority results). This will be paid with a
-	little more beta time, so the Makefile has developer switches again.
-	Corrected NEWS and TODO.
-
-	* Makefile, config.h.templ, dns_answer.c, dns_query.c, dns_query.h, hash.h, helpers.c, version:
-	Removed some dead code, fixed some really minor bugs. Version is up
-	to 1.0.0p7, which is hopefully the last beta.
-
-	* Makefile, config.h.templ:
-	Fixed things up for the 1.0.0 distribution version
-
-2000-06-06  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* Makefile, config.h.templ, icmp.c, netdev.c:
-	Some minor comment fixes.
-
-	* Makefile, TODO, main.c, version:
-	BSD fix in Makefile and help update. It is now called 1.0.0p6. TODO
-	was updated to reflect the project status.
-
-	* dns_answer.c:
-	BSD & misc fixes. pdnsd runs now nicely on my FreeBSD 4.0 box.
-
-	* dns_answer.c, ipvers.h:
-	Fixed IPv6 UDP dest address recovery. Also fixed a real stupid bug in
-	ipvers.h.
-
-	* cache.h, dns_query.c, error.h:
-	Added DEBUG_MSG6 macros. Cleaned up requery handling.
-
-	* dns.c, dns_answer.c, dns_query.c, dns_query.h:
-	Fixed another heap of bugs, introduced some sanity checks, no requery
-	on answers that have ra not set now.
-
-2000-06-05  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* cache.c:
-	Fixed write_disk_cache.
-
-	* cache.c, cache.h:
-	Fixes for rr handling.
-
-2000-06-04  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* cache.c, dns_answer.c, dns_query.c:
-	Fixes again: some missing checks for rrset existence added.
-
-	* cache.c, dns_answer.c, helpers.c, icmp.c:
-	Fixes for the new/modified code and its side effects on old code ;-)
-
-	* ChangeLog.old, NEWS, cache.c, conf.l.templ, conf.y, conff.c, config.h.templ, dns.c, dns_answer.c, dns_query.c, error.c, hash.c, helpers.c, icmp.c, main.c, netdev.c, servers.c, status.c:
-	Folded the ChangeLog and NEWS of the 0.9.x tree back in and added NEWS for the
-	upcoming 1.0.0 release. Some compile fixes. Reorganized config.h.templ. Made
-	the inclusion of the rcsid strings into the executable optional.
-
-	* cache.c, dns_answer.c:
-	Pile of fixes on recently added/modified code.
-
-2000-06-03  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* .cvsignore, Makefile, lex.inc.h:
-	lex.inc.h should not be in CVS (it is automatically generated by
-	exec-flex.sh). It should also be deleted by 'make mclean'.
-
-	* TODO, cache.c, dns_answer.c, dns_query.c, lex.inc.h:
-	rfc2181 conformance should be reached by now. Updated TODO. Bugfixing
-	remains.
-
-	* doc/html/.cvsignore, doc/html/dl.html, doc/html/doc.html, doc/html/faq.html, doc/html/index.html:
-	Removed the html documentation from CVS. It is maintained separately.
-
-	* doc/pdnsd.conf:
-	Added CVS/RCS $Id$ tag.
-
-	* cache.h, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, consts.h, dns.c, dns.h, dns_answer.c, dns_answer.h, dns_query.c, dns_query.h, error.c, error.h, exec-flex.sh, hash.c, hash.h, helpers.c, helpers.h, icmp.c, icmp.h, ipvers.h, main.c, netdev.c, netdev.h, pdnsd-redhat.spec.templ, pdnsd-suse.spec.templ, servers.c, servers.h, status.c, status.h, version, AUTHORS, INSTALL, Makefile, NEWS, README, THANKS, TODO, cache.c:
-	Added CVS/RCS $Id$ tags to most files, did some cleanups, introduced
-	the new rrset granularity caching. The new code is still much of beta,
-	use with care.
-
-2000-06-01  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* Makefile, cache.c, hash.c, helpers.c, icmp.c, netdev.c:
-	Yet another set of BSD fixes (test programs do now work for me
-	under FreeBSD). Some other minor fixes.
-
-	* Makefile, error.c, error.h, helpers.c, helpers.h:
-	Transplanted kill_pdnsd from error.c to helpers.c in order to get the
-	tests compiled without the thread library.
-
-2000-05-31  Thomas Moestl  <tmoestl@xxxxxxx>
-
-	* pdnsd:
-	Ooops, executable got in.
-
-	* Makefile, pdnsd:
-	Added test suite programs.
-
-	* icmp.c, netdev.c:
-	All basic BSD patches have been folded in. pdnsd will now compile on
-	FreeBSD with (hopefully) all features.
-
-	* dns_answer.c, Makefile:
-	Disabled udp targed address discovery for BSD builds (this sadly ist
-	OS specific at least for IPv4. Must be rewritten under BSD as it is
-	an RFC compatability issue under some circumstances)
-
-	* cache.c, cache.h, conf.y, conff.c, conff.h, config.h.templ, dns_answer.c, helpers.c, icmp.c, ipvers.h, netdev.c, Makefile:
-	BSD include & misc build fixes. More to follow...
-
-	* Makefile, cache.h:
-	BSD Fixes: Makefile should work with BSD make, sed command line,
-	sorted out naming clash in cache.h
-
-	* .cvsignore:
-	Added ChangeLog to .cvsignore
-
-	* THANKS, conff.c:
-	Fixed a bug reported by Jonathan Hudson and added him to THANKS
-
-	* ChangeLog.old:
-	Added the pre-CVS ChangeLog.
-
-	* .cvsignore, AUTHORS, COPYING, INSTALL, Makefile, NEWS, README, THANKS, TODO, cache.c, cache.h, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, consts.h, dns.c, dns.h, dns_answer.c, dns_answer.h, dns_query.c, dns_query.h, doc/.cvsignore, doc/html/dl.html, doc/html/doc.html, doc/html/faq.html, doc/html/index.html, doc/pdnsd.conf, doc/txt/.cvsignore, error.c, error.h, exec-flex.sh, hash.c, hash.h, helpers.c, helpers.h, icmp.c, icmp.h, ipvers.h, lex.inc.h, main.c, netdev.c, netdev.h, pdnsd-redhat.spec.templ, pdnsd-suse.spec.templ, servers.c, servers.h, status.c, status.h, version:
-	Initial import of pdnsd-1.0.0p3 source tree into CVS.
-
-
-	* .cvsignore, AUTHORS, COPYING, INSTALL, Makefile, NEWS, README, THANKS, TODO, cache.c, cache.h, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, consts.h, dns.c, dns.h, dns_answer.c, dns_answer.h, dns_query.c, dns_query.h, doc/.cvsignore, doc/html/dl.html, doc/html/doc.html, doc/html/faq.html, doc/html/index.html, doc/pdnsd.conf, doc/txt/.cvsignore, error.c, error.h, exec-flex.sh, hash.c, hash.h, helpers.c, helpers.h, icmp.c, icmp.h, ipvers.h, lex.inc.h, main.c, netdev.c, netdev.h, pdnsd-redhat.spec.templ, pdnsd-suse.spec.templ, servers.c, servers.h, status.c, status.h, version:
-	New file.
-
diff --git a/app/src/main/jni/pdnsd/ChangeLog.old b/app/src/main/jni/pdnsd/ChangeLog.old
deleted file mode 100644
index 0b3553e..0000000
--- a/app/src/main/jni/pdnsd/ChangeLog.old
+++ /dev/null
@@ -1,161 +0,0 @@
-2000-02-15
-	Version 0.2. First working alpha with the extended feature set.
-
-2000-02-16
-	Version 0.3 with many bugfixes, better standard conformity and
-	some new features.
-
-2000-02-17
-	Did a lint on the code, implemented soft timeouts, again bugfixes,
-	drastically reduced cache memory requirements, implemented local 
-	records.
-	Version 0.4 released.
-
-2000-02-19
-	Recursive query finally implemented. Version 0.5 out.
-
-2000-02-20
-	Various bugfixes. The server now always tries to get an AA answer
-	if possible; this implies recursion. This is to deal better with
-	caching servers that may return incomplete results on * queries.
-	This may be a little sub-optimal since it may not take the full
-	effect of caching, but it is the only real possibility of getting
-	complete records.
-	Redid the deps in the makefile for now.
-	Version is now 0.6.
-
-2000-02-21
-	Another set of bugfixes. Version is 0.6.1.
-
-2000-02-22
-	Another set of bugfixes. It should stabilize by now. Answer compression
-	is there finally. Version is therefore up again, 0.7 by now.
-
-2000-02-23
-	Minor bugfixes, isdn interface uptest added. The new record types as of
-	rfc1700 are implemented, but as a compile-time option, since normally
-	there is no need to waste space for them.
-	Version is 0.7.1.
-
-2000-02-24
-	Version 0.7.2 with all rrs up to KX (36). #define DNS_NEW_RRS in 
-	config.h and (re)compile if you want to use them. Delete the cache
-	file before using a version with this option changed!  
-	NSAP-PTR does NOT WORK (any incoming answer containing it may cause 
-	a format error) because it is ill-designed (see	TODO). Never mind, it 
-	is officially deprecated anyway.
-	The secure DNS extension record types defined in RFC 2065 (KEY, SIG,
-	NXT) are cached only and therefore useless.
-
-2000-02-26
-	Version 0.8 with parallel query (and probably new bugs) introduced.
-
-2000-02-27
-	Version 0.8.1 with minor bugfixes on the new features.
-
-2000-02-27
-	Version 0.8.5 with authority support and the usual bugifxes. Some issues
-	with standard conformity were also fixed (wow, two versions a day).
-
-2000-02-28
-	Implemented caching of non-authoritative records. This allows better 
-	usage of other caching name servers. This may return non-authoritative
-	records to any non-wildcard query. If a wildcard query arrives, we 
-	always look for authoritative records, so we do if the non-authoritative
-	answer does not contain at least one answering record to the query.
-	This fixes the sub-optimal behaviour since 0.6.
-	Version is therefore up to 0.8.7 (0.8.6 was also released today 
-	containing bugfixes)
-
-2000-02-29
-	Better thread support, avoiding deadlocks in signal handling. The cost 
-	is unfortunately one more thread.
-	New option server_port in config file.
-	Version is 0.8.8.
-
-2000-03-01
-	Nailed a renitent memory leak bug to the wall (shame, what a trivial 
-	mistake). Also improved handling of error conditions slightly.
-	Version is 0.8.9.
-
-2000-03-01
-	Cache code cleanup. The development of the non-parallel query code
-	is discontinued, although it still works. If you want serial query,
-	just set PAR_QUERIES to 1.
-	Additional information finally implemented.
-	We are up to 0.9.
-
-2000-03-02
-	Fixed a DoS possibility.
-	More rfc compatability fixups and a smarter resolver logic.
-	Version 0.9.1
-
-2000-03-02
-	Added the source section to the config file handling. This allows to 
-	source your /etc/hosts file. Version 0.9.2.
-
-2000-03-02
-	Avoiding double additional records now. Version 0.9.3.
-
-2000-03-09
-	Fixed some REALLY STUPID bugs. Uuummph, thought it was finished. 
-	However, the number of bugs remaining is always n+1...
-	Anyway, we are up to 0.9.4. Hope that there are no mean bugs left.
-
-2000-03-14
-	Added another uptest, exec. See README for details. Also grained the 
-	cache size finer (it's now specified in kB). Version 0.9.5
-
-2000-04-07
-	Fixed some really stupid bugs, what else? Version is 0.9.6
-	To be more exact: fixed misc bugs, cleaned up hash.c and cache.c
-
-2000-04-20
-	Again fixed some bugs, version is now 0.9.7.
-
-2000-04-29
-	Fixed a build problem caused by some missing #defines in glibc2.0 and a
-	minor bug.
-	Version is up to 0.9.8
-
-2000-04-30
-	Fixed some unclean C code and did a general C lint. Thanks to Byrial 
-	Jensen for pointing out some issues. Now using stricter compiler flags.
-	Also replaced the daemon() call in main.c for improved portability.
-	Pre-Released 0.9.9p1
-
-2000-05-03
-	Released 0.9.9p2 with the changes of 0.9.9p1, Documentation updates, 
-	bugfixes, and the Red Hat rc scripts contributed by Torben Janssen.
-	Also, the meaning of the command line option -v has changed.
-	There is a new config file option "lean_query" that is on by
-	default. It is an optimization, so please look in the docs when
-	updating whether you want it switched on or not.
-	Removed the long-dead serial query code from the distribution tree.
-	Some resolvers seem to be broken somehow in a respect that it cares 
-	about order in which the records appear. In particular, it wants 
-	cname to appear before other records. Ok, so it be...
-
-
-2000-05-04
-	Save all names in lower case in the rrs.
-	Tidying up the source tree.
-	The long-awaited cache structure changes have been started. Please
-	delete you cache files before using this new release.
-
-2000-05-05
-	Fixed several bugs in the old and in the new source tree.
-	Use time_t instead of long for internal time storage for compatibility.
-
-
-2000-05-06
-	Version 0.9.10.
-	This fixes a bug in uptest=if. Red Hat and configuration fixes 
-	suggested by Soeren J. Peters were included.
-
-2000-05-08
-	Version 0.9.11
-	This fixes a locally exploitable security problem (pdnsd.cache was 
-	world-writeable). This is actually a one-line fix; for a description of
-	possible dangers, please refer to the html documentation.
-	Thanks to Alan Swanson for reporting.
diff --git a/app/src/main/jni/pdnsd/INSTALL b/app/src/main/jni/pdnsd/INSTALL
deleted file mode 100644
index 0399189..0000000
--- a/app/src/main/jni/pdnsd/INSTALL
+++ /dev/null
@@ -1,190 +0,0 @@
-The installation instructions are in doc/html/doc.html and doc/txt/manual.txt.
-The system requirements are listed in doc/html/index.html and doc/txt/intro.txt.
-I recommend using the html version.
-Following are generic installation instructions for autoconf programs.
-I strongly recommend to read the Installation section in the docs!
-
-
-Basic Installation
-==================
-
-   These are generic installation instructions.
-
-   The `configure' shell script attempts to guess correct values for
-various system-dependent variables used during compilation.  It uses
-those values to create a `Makefile' in each directory of the package.
-It may also create one or more `.h' files containing system-dependent
-definitions.  Finally, it creates a shell script `config.status' that
-you can run in the future to recreate the current configuration, a file
-`config.cache' that saves the results of its tests to speed up
-reconfiguring, and a file `config.log' containing compiler output
-(useful mainly for debugging `configure').
-
-   If you need to do unusual things to compile the package, please try
-to figure out how `configure' could check whether to do them, and mail
-diffs or instructions to the address given in the `README' so they can
-be considered for the next release.  If at some point `config.cache'
-contains results you don't want to keep, you may remove or edit it.
-
-   The file `configure.in' is used to create `configure' by a program
-called `autoconf'.  You only need `configure.in' if you want to change
-it or regenerate `configure' using a newer version of `autoconf'.
-
-The simplest way to compile this package is:
-
-  1. `cd' to the directory containing the package's source code and type
-     `./configure' to configure the package for your system.  If you're
-     using `csh' on an old version of System V, you might need to type
-     `sh ./configure' instead to prevent `csh' from trying to execute
-     `configure' itself.
-
-     Running `configure' takes awhile.  While running, it prints some
-     messages telling which features it is checking for.
-
-  2. Type `make' to compile the package.
-
-  3. Optionally, type `make check' to run any self-tests that come with
-     the package.
-
-  4. Type `make install' to install the programs and any data files and
-     documentation.
-
-  5. You can remove the program binaries and object files from the
-     source code directory by typing `make clean'.  To also remove the
-     files that `configure' created (so you can compile the package for
-     a different kind of computer), type `make distclean'.  There is
-     also a `make maintainer-clean' target, but that is intended mainly
-     for the package's developers.  If you use it, you may have to get
-     all sorts of other programs in order to regenerate files that came
-     with the distribution.
-
-Compilers and Options
-=====================
-
-   Some systems require unusual options for compilation or linking that
-the `configure' script does not know about.  You can give `configure'
-initial values for variables by setting them in the environment.  Using
-a Bourne-compatible shell, you can do that on the command line like
-this:
-     CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure
-
-Or on systems that have the `env' program, you can do it like this:
-     env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure
-
-Compiling For Multiple Architectures
-====================================
-
-   You can compile the package for more than one kind of computer at the
-same time, by placing the object files for each architecture in their
-own directory.  To do this, you must use a version of `make' that
-supports the `VPATH' variable, such as GNU `make'.  `cd' to the
-directory where you want the object files and executables to go and run
-the `configure' script.  `configure' automatically checks for the
-source code in the directory that `configure' is in and in `..'.
-
-   If you have to use a `make' that does not supports the `VPATH'
-variable, you have to compile the package for one architecture at a time
-in the source code directory.  After you have installed the package for
-one architecture, use `make distclean' before reconfiguring for another
-architecture.
-
-Installation Names
-==================
-
-   By default, `make install' will install the package's files in
-`/usr/local/bin', `/usr/local/man', etc.  You can specify an
-installation prefix other than `/usr/local' by giving `configure' the
-option `--prefix=PATH'.
-
-   You can specify separate installation prefixes for
-architecture-specific files and architecture-independent files.  If you
-give `configure' the option `--exec-prefix=PATH', the package will use
-PATH as the prefix for installing programs and libraries.
-Documentation and other data files will still use the regular prefix.
-
-   In addition, if you use an unusual directory layout you can give
-options like `--bindir=PATH' to specify different values for particular
-kinds of files.  Run `configure --help' for a list of the directories
-you can set and what kinds of files go in them.
-
-   If the package supports it, you can cause programs to be installed
-with an extra prefix or suffix on their names by giving `configure' the
-option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
-
-Optional Features
-=================
-
-   Some packages pay attention to `--enable-FEATURE' options to
-`configure', where FEATURE indicates an optional part of the package.
-They may also pay attention to `--with-PACKAGE' options, where PACKAGE
-is something like `gnu-as' or `x' (for the X Window System).  The
-`README' should mention any `--enable-' and `--with-' options that the
-package recognizes.
-
-   For packages that use the X Window System, `configure' can usually
-find the X include and library files automatically, but if it doesn't,
-you can use the `configure' options `--x-includes=DIR' and
-`--x-libraries=DIR' to specify their locations.
-
-Specifying the System Type
-==========================
-
-   There may be some features `configure' can not figure out
-automatically, but needs to determine by the type of host the package
-will run on.  Usually `configure' can figure that out, but if it prints
-a message saying it can not guess the host type, give it the
-`--host=TYPE' option.  TYPE can either be a short name for the system
-type, such as `sun4', or a canonical name with three fields:
-     CPU-COMPANY-SYSTEM
-
-See the file `config.sub' for the possible values of each field.  If
-`config.sub' isn't included in this package, then this package doesn't
-need to know the host type.
-
-   If you are building compiler tools for cross-compiling, you can also
-use the `--target=TYPE' option to select the type of system they will
-produce code for and the `--build=TYPE' option to select the type of
-system on which you are compiling the package.
-
-Sharing Defaults
-================
-
-   If you want to set default values for `configure' scripts to share,
-you can create a site shell script called `config.site' that gives
-default values for variables like `CC', `cache_file', and `prefix'.
-`configure' looks for `PREFIX/share/config.site' if it exists, then
-`PREFIX/etc/config.site' if it exists.  Or, you can set the
-`CONFIG_SITE' environment variable to the location of the site script.
-A warning: not all `configure' scripts look for a site script.
-
-Operation Controls
-==================
-
-   `configure' recognizes the following options to control how it
-operates.
-
-`--cache-file=FILE'
-     Use and save the results of the tests in FILE instead of
-     `./config.cache'.  Set FILE to `/dev/null' to disable caching, for
-     debugging `configure'.
-
-`--help'
-     Print a summary of the options to `configure', and exit.
-
-`--quiet'
-`--silent'
-`-q'
-     Do not print messages saying which checks are being made.  To
-     suppress all normal output, redirect it to `/dev/null' (any error
-     messages will still be shown).
-
-`--srcdir=DIR'
-     Look for the package's source code in directory DIR.  Usually
-     `configure' can determine that directory automatically.
-
-`--version'
-     Print the version of Autoconf used to generate the `configure'
-     script, and exit.
-
-`configure' also accepts some other, not widely useful, options.
-
diff --git a/app/src/main/jni/pdnsd/Makefile.am b/app/src/main/jni/pdnsd/Makefile.am
deleted file mode 100644
index 146c32a..0000000
--- a/app/src/main/jni/pdnsd/Makefile.am
+++ /dev/null
@@ -1,40 +0,0 @@
-
-SUBDIRS = src doc contrib
-
-EXTRA_DIST = version ChangeLog.old COPYING.BSD README.par README.par.old PKGBUILD
-
-# The sample configuration is handled in doc/Makefile.am
-install-data-hook:
-	$(mkinstalldirs) "$(DESTDIR)$(cachedir)"
-	test -f "$(DESTDIR)$(cachedir)/pdnsd.cache" || \
-	  touch "$(DESTDIR)$(cachedir)/pdnsd.cache"
-	if test `whoami` = "root"; then \
-	  chown $(def_id) "$(DESTDIR)$(cachedir)/pdnsd.cache"; \
-	  chown $(def_id) "$(DESTDIR)$(cachedir)"; \
-	fi
-	chmod 0640 "$(DESTDIR)$(cachedir)/pdnsd.cache"
-	chmod 0750 "$(DESTDIR)$(cachedir)"
-
-dist-hook: $(PACKAGE).spec.in
-	sed -e '/^%{!?distro: %define distro /c\
-	%if 0%{!?distro:1}\
-	%if "%{_vendor}" == "redhat"\
-	%define distro RedHat\
-	%else\
-	%if "%{_vendor}" == "suse"\
-	%define distro SuSE\
-	%else\
-	%if "%{_vendor}" == "SuSE"\
-	%define distro SuSE\
-	%endif\
-	%endif\
-	%endif\
-	%endif' \
-	-e 's:[@]PACKAGE[@]:$(PACKAGE):g' \
-	-e 's:[@]VERSION[@]:$(VERSION):g' \
-	-e 's:[@]fullversion[@]:$(fullversion):g' \
-	-e 's:[@]packagerelease[@]:$(packagerelease):g' \
-	-e 's:[@]cachedir[@]:/var/cache/$(PACKAGE):g' \
-	-e 's:[@]def_id[@]:$(PACKAGE):g' \
-	$(PACKAGE).spec.in > $(distdir)/$(PACKAGE).spec
-
diff --git a/app/src/main/jni/pdnsd/Makefile.in b/app/src/main/jni/pdnsd/Makefile.in
deleted file mode 100644
index a865d54..0000000
--- a/app/src/main/jni/pdnsd/Makefile.in
+++ /dev/null
@@ -1,734 +0,0 @@
-# Makefile.in generated by automake 1.11.1 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
-# Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-VPATH = @srcdir@
-pkgdatadir = $(datadir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
-INSTALL_HEADER = $(INSTALL_DATA)
-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-subdir = .
-DIST_COMMON = README $(am__configure_deps) $(srcdir)/Makefile.am \
-	$(srcdir)/Makefile.in $(srcdir)/PKGBUILD.in \
-	$(srcdir)/config.h.in $(srcdir)/file-list.base.in \
-	$(srcdir)/pdnsd.spec.in $(top_srcdir)/configure AUTHORS \
-	COPYING ChangeLog INSTALL NEWS THANKS TODO acconfig.h compile \
-	depcomp install-sh missing
-ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/configure.in
-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
-	$(ACLOCAL_M4)
-am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
- configure.lineno config.status.lineno
-mkinstalldirs = $(install_sh) -d
-CONFIG_HEADER = config.h
-CONFIG_CLEAN_FILES = pdnsd.spec file-list.base PKGBUILD
-CONFIG_CLEAN_VPATH_FILES =
-SOURCES =
-DIST_SOURCES =
-RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
-	html-recursive info-recursive install-data-recursive \
-	install-dvi-recursive install-exec-recursive \
-	install-html-recursive install-info-recursive \
-	install-pdf-recursive install-ps-recursive install-recursive \
-	installcheck-recursive installdirs-recursive pdf-recursive \
-	ps-recursive uninstall-recursive
-RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive	\
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-all-am: Makefile config.h
-installdirs: installdirs-recursive
-installdirs-am:
-install: install-recursive
-install-exec: install-exec-recursive
-install-data: install-data-recursive
-uninstall: uninstall-recursive
-
-install-am: all-am
-	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
-
-installcheck: installcheck-recursive
-install-strip:
-	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	  `test -z '$(STRIP)' || \
-	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
-mostlyclean-generic:
-
-clean-generic:
-
-distclean-generic:
-	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
-
-maintainer-clean-generic:
-	@echo "This command is intended for maintainers to use"
-	@echo "it deletes files that may require special tools to rebuild."
-clean: clean-recursive
-
-clean-am: clean-generic mostlyclean-am
-
-distclean: distclean-recursive
-	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-	-rm -f Makefile
-distclean-am: clean-am distclean-generic distclean-hdr distclean-tags
-
-dvi: dvi-recursive
-
-dvi-am:
-
-html: html-recursive
-
-html-am:
-
-info: info-recursive
-
-info-am:
-
-install-data-am:
-	@$(NORMAL_INSTALL)
-	$(MAKE) $(AM_MAKEFLAGS) install-data-hook
-install-dvi: install-dvi-recursive
-
-install-dvi-am:
-
-install-exec-am:
-
-install-html: install-html-recursive
-
-install-html-am:
-
-install-info: install-info-recursive
-
-install-info-am:
-
-install-man:
-
-install-pdf: install-pdf-recursive
-
-install-pdf-am:
-
-install-ps: install-ps-recursive
-
-install-ps-am:
-
-installcheck-am:
-
-maintainer-clean: maintainer-clean-recursive
-	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-	-rm -rf $(top_srcdir)/autom4te.cache
-	-rm -f Makefile
-maintainer-clean-am: distclean-am maintainer-clean-generic
-
-mostlyclean: mostlyclean-recursive
-
-mostlyclean-am: mostlyclean-generic
-
-pdf: pdf-recursive
-
-pdf-am:
-
-ps: ps-recursive
-
-ps-am:
-
-uninstall-am:
-
-.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) all \
-	ctags-recursive install-am install-data-am install-strip \
-	tags-recursive
-
-.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
-	all all-am am--refresh check check-am clean clean-generic \
-	ctags ctags-recursive dist dist-all dist-bzip2 dist-gzip \
-	dist-hook dist-lzma dist-shar dist-tarZ dist-xz dist-zip \
-	distcheck distclean distclean-generic distclean-hdr \
-	distclean-tags distcleancheck distdir distuninstallcheck dvi \
-	dvi-am html html-am info info-am install install-am \
-	install-data install-data-am install-data-hook install-dvi \
-	install-dvi-am install-exec install-exec-am install-html \
-	install-html-am install-info install-info-am install-man \
-	install-pdf install-pdf-am install-ps install-ps-am \
-	install-strip installcheck installcheck-am installdirs \
-	installdirs-am maintainer-clean maintainer-clean-generic \
-	mostlyclean mostlyclean-generic pdf pdf-am ps ps-am tags \
-	tags-recursive uninstall uninstall-am
-
-
-# The sample configuration is handled in doc/Makefile.am
-install-data-hook:
-	$(mkinstalldirs) "$(DESTDIR)$(cachedir)"
-	test -f "$(DESTDIR)$(cachedir)/pdnsd.cache" || \
-	  touch "$(DESTDIR)$(cachedir)/pdnsd.cache"
-	if test `whoami` = "root"; then \
-	  chown $(def_id) "$(DESTDIR)$(cachedir)/pdnsd.cache"; \
-	  chown $(def_id) "$(DESTDIR)$(cachedir)"; \
-	fi
-	chmod 0640 "$(DESTDIR)$(cachedir)/pdnsd.cache"
-	chmod 0750 "$(DESTDIR)$(cachedir)"
-
-dist-hook: $(PACKAGE).spec.in
-	sed -e '/^%{!?distro: %define distro /c\
-	%if 0%{!?distro:1}\
-	%if "%{_vendor}" == "redhat"\
-	%define distro RedHat\
-	%else\
-	%if "%{_vendor}" == "suse"\
-	%define distro SuSE\
-	%else\
-	%if "%{_vendor}" == "SuSE"\
-	%define distro SuSE\
-	%endif\
-	%endif\
-	%endif\
-	%endif' \
-	-e 's:[@]PACKAGE[@]:$(PACKAGE):g' \
-	-e 's:[@]VERSION[@]:$(VERSION):g' \
-	-e 's:[@]fullversion[@]:$(fullversion):g' \
-	-e 's:[@]packagerelease[@]:$(packagerelease):g' \
-	-e 's:[@]cachedir[@]:/var/cache/$(PACKAGE):g' \
-	-e 's:[@]def_id[@]:$(PACKAGE):g' \
-	$(PACKAGE).spec.in > $(distdir)/$(PACKAGE).spec
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/app/src/main/jni/pdnsd/NEWS b/app/src/main/jni/pdnsd/NEWS
deleted file mode 100644
index 9a83bba..0000000
--- a/app/src/main/jni/pdnsd/NEWS
+++ /dev/null
@@ -1,324 +0,0 @@
-Version 1.2.9a fixes a bug in the 1.2.9 release that causes a build failure when
-pdnsd is configured with --enable-strict-rfc2181. Unless you use this option to
-compile pdnsd, there is no need to upgrade from 1.2.9 to 1.2.9a.
-
-Version 1.2.9 has support for many additional RR types, in particular those
-needed for DNSSEC (though no support for the DNSSEC protocol itself yet in
-pdnsd). Caching data structures are now more efficient when they only store the
-most commonly used RR types. Fine-grained configurability over which RR-types
-are cache-able. Pdnsd now has support for EDNS (Extension mechanisms for DNS),
-although its usefulness is currently limited to enabling UDP messages larger
-than 512 bytes. Defining local TXT records in the configuration file is now
-supported.  A new configuration option provides a fix in case the query uptest
-fails due to remote servers ignoring empty queries. Several bugs have been fixed
-including a UDP socket descriptor leak that affected the FreeBSD platform, and
-an IPv6 port binding bug.
-
-Version 1.2.8 implements support for automatic discovery of root servers.
-There are also some improvements in the resolver and a new default setting for
-the neg_rrs_pol configuration option.
-
-Version 1.2.7-par fixes some security problems. It contains a fix for a
-"dangling pointer" bug that could cause pdnsd to crash when it received a long
-reply. It also addresses some of the issues raised in the CERT vulnerability
-note VU#800113 by making the default of query_port_start equal to 1024, thereby
-ensuring that source ports are randomly selected by the pdnsd resolver in the
-range 1024-65535. This release also fixes problems with compiling pdnsd for the
-ARM architecture and for the Darwin platform (Max OS X).  There are a number of
-(minor) new features. pdnsd now supports "include" files, essentially
-configuration files that only contain definitions for local records. It is now
-possible to define interactively, using pdnsd-ctl, any local record that can be
-defined in a configuration file.
-
-Version 1.2.6-par has an upgraded license: GPL version 3.
-A bug has been fixed which which caused pdnsd to handle NXDOMAIN replies
-inefficiently when configured with neg_domain_pol=on.  Also the code for the
-ping test has been fixed, which was broken for 64-bit systems.  A new option
-randomize_servers can be used to give each server in a section of the
-configuration file an equal chance of being queried.  The new options reject,
-reject_policy and reject_recursively make it possible to check for the presence
-of certain IP addresses in the replies of name servers and to correct some types
-of unwanted replies or to censor these IP addresses.
-The pdnsd-ctl 'add a' and 'add aaaa' commands now allow multiple IP addresses to
-be specified for the same name. There are some further improvements to pdnsd's
-recursive resolver.
-
-Version 1.2.5-par introduces a new query method: udp_tcp. With this method a UDP
-query is tried first and, if the UDP answer is truncated, the query is repeated
-using TCP, which is the behaviour that seems to be recommended by the DNS
-standards. There is a new configuration option use_nss, which can be turned off
-to prevent lengthy timeouts and stalls in certain situations. A bug has been
-fixed which could cause pdnsd to crash if debug output was generated before the
-debug output stream was properly initialized.
-
-In version 1.2.4-par a memory leak and a minor buffer-overflow problem have been
-fixed. There is now a fix for some situations that would previously cause pdnsd
-to exit prematurely (such as ACPI S3 sleep or trying to attach strace to pdnsd).
-Time intervals specified in the configuration file can now be expressed in
-minutes, hours, days and weeks as well as seconds. Support for Apple Mac OS X
-v10.4 Tiger has been improved. The "pdnsd-ctl status" command now also provides
-some information about the status of the running threads. There are some further
-improvements in the debugging information provided by pdnsd.
-TCP-query support is now compiled in by default (but can still be disabled using
-the configure option --disable-tcp-queries).
-
-In version 1.2.3-par the "pdnsd-ctl empty-cache" command can be provided with an
-include/exclude list, allowing the user to specify a selection of names to be
-removed, instead of emptying the cache completely.
-Additional improvements: pdnsd should now remain responsive while executing the
-"pdnsd-ctl empty-cache" command. With the query_method=tcp_udp option pdnsd will
-now also try a UDP query after a TCP connection times out, which should allow
-pdnsd to resolve the same names with query_method=tcp_udp as with
-query_method=udp_only, although perhaps with an occasional delay.
-"pdnsd-ctl config" or "pdnsd-ctl server" commands should now run without delays,
-even if pdnsd is performing ping or query uptests at the time. A problem with
-resolving certain names using root servers has been fixed.
-
-Version 1.2.2-par has a number of important portability improvements. A bug has
-been fixed that prevented pdnsd from compiling successfully on some 64 bit
-architectures. The code for determining endianness (most significant or least
-significant byte first) should now be more portable. This release has
-(experimental) support for the Darwin (Apple Mac OS X) platform. On Linux
-systems, the configure script will now try to detect automatically whether the
-system implements the Native POSIX Thread Library, but the method used may not
-necessarily be foolproof. In addition, the debug features have been improved and
-should make it easier to find out why pdnsd considers some queries or replies
-malformed.
-
-Version 1.2.1-par has improved support for non-Linux platforms. This release has
-(experimental) support for the Cygwin platform, and should also fix some
-compilation glitches that have been reported by FreeBSD users.
-
-Version 1.2-par is a new and improved version of pdnsd! Most of the changes
-effect the internal workings of pdnsd, but there are also a number of
-interesting new features (well, I think they are interesting). Among the bugs
-fixed are two rather nasty ones which involve the handling of NXT and NAPTR
-records and which can cause pdnsd to crash or abort. The new features include a
-new server availability test which can be specified with uptest=query, support
-for reading the DNS configuration from resolv.conf files, a new option for
-optimizing the use of root servers, a new option that makes defining local
-records for reverse resolving easier, support for defining wildcard records, a
-new pdnsd-ctl command for reloading the config file without restarting pdnsd,
-and a new pdnsd-ctl command for dumping information about the names stored in
-the cache.
-The documentation has also been updated: there is now a pdnsd.conf man page. For
-a more complete list of the changes I'll have to refer you to README.par and the
-ChangeLog.
-
-Version 1.1.11a-par contains a fix for FreeBSD users that bypasses a problem
-with the macro ENONET, which can cause a compilation failure when it is
-undefined. Linux users will notice no difference between 1.1.11a-par and
-1.1.11-par.
-
-Version 1.1.11-par has a rather large number of small changes, which are rather
-difficult to summarize. Among the bugs fixed are a race condition in the cache
-lookup code, a flaw in the code that caused a busy spin when a remote server
-answered with "Not Implemented", and problems with the -4 and -6 command-line
-options. Among the improvements are an alternative sorting algorithm which
-should allow pdnsd to start up faster when reading a large cache file from disk,
-automatic mapping of IPv4 to IPv6 addresses when running in IPv6 mode, somewhat
-more efficient memory use, better compression of the replies and changes in the
-parallel querying algorithm that should improve the chances of catching a reply
-from a remote server.  For a more complete list of the changes I'll have to
-refer you to README.par and the ChangeLog.
-
-Version 1.1.10-par has a new parser for configuration files, completely
-rewritten from scratch in C. The main advantages are: (f)lex and yacc/bison are
-no longer needed to build pdnsd, more informative error messages instead of
-merely "parse error", and string literals no longer need to be enclosed in
-quotes in most cases.  Furthermore, a bug has been fixed that caused incorrect
-IPV6-type PTR records to be generated when sourcing /etc/hosts like files.
-There have been other small changes, more details can be found in the ChangeLog.
-
-Version 1.1.9-par adds some missing pieces to the documentation (the pdnsd
-manual and the man page for pdnsd-ctl). The changes to the code consist mostly
-of optimizations, removal of some size limits due to fixed-size buffers, and
-some cleaning up. I've also tried to make the error responses of pdnsd-ctl more
-helpful.  More details can be found in the ChangeLog.
-
-Version 1.1.8b1-par8 introduces a "delegation-only" feature that may be useful
-for blocking Verisign's Sitefinder. The parser for the configuration file now
-tolerates domain names missing a dot at the end. I have provided alternative
-implementations for some GNU extensions that I used in an effort to make the
-code more portable. In particular, the code should build on FreeBSD again. More
-details can be found in the README.par file.
-
-Version 1.1.8b1-par7 fixing a number of bugs. I have also reworked some of the
-code for adding and removing entries in the cache in an effort to improve
-efficiency and stability. More details can be found in the ChangeLog.
-
-Version 1.1.8b1-par6 introduces some further code cleanup. In addition the
-documentation has been revised.
-
-Version 1.1.8b1-par5 fixes a troublesome allocation size error that has been
-discovered in Thomas Moestl's code. In practice this bug only wastes memory but
-it could also potentially lead to memory corruption. Upgrading is
-recommended. More details can be found in the ChangeLog.
-
-Version 1.1.8b1-par4 has been released.  Due to incompatibilities between
-various implementations of the pthread library on Linux systems, problems can
-occur with signal handling in pdnsd. The usual symptom is failure by pdnsd to
-save the cache to disk, and /var/cache/pdnsd/pdnsd.cache remaining empty. If you
-experience this kind of trouble, try reconfiguring with different values for the
-new --with-thread-lib option. The allowable values are described in the
-documentation.
-
-pdnsd is no longer maintained by Thomas Moestl: I have not had time to maintain
-pdnsd for quite a while now, and have been very slow to respond to issues, or
-did not respond at all. It is time that I officially announce that pdnsd is no
-longer actively maintained; I apologize to all those who reported bugs or asked
-questions without receiving any reply. However, Paul A. Rombouts has published a
-patch set against the last released version at
-http://www.phys.uu.nl/~rombouts/pdnsd.html, which cleans up a lot of code fixes
-many bugs.
-
-Version 1.1.7a fixes a reversed assertion that would cause pdnsd to terminate
-if used with the ping uptest. No other changes were made.
-
-Version 1.1.7 fixes some problems that might be remotely exploitable to
-gain access as the user pdnsd runs as (an unprivileged user by default). To do
-this, an attacker needs to control a name server that is queried by pdnsd, and
-send a malicious reply to such a query. Upgrading is strongly recommended!
-There are also minor bug fixes and stability improvements.
-
-Version 1.1.6 adds the query_port_start and query_port_end options (contributed
-by Andreas Steinmetz), that allow confining the ports pdnsd uses for outgoing
-queries to a certain range. It also fixes numerous bugs, one of which could
-cause pdnsd to hang; update is therefore recommended.
-
-Version 1.1.5 contains a fix for a security bug that would allow local users
-that are allowed to use pdnsd-ctl on a running pdnsd server to execute
-arbitrary code as the user that pdnsd runs as (or on Linux, when strict_setuid
-is not enabled, as the user that started pdnsd). The danger of this is usually
-quite limited; the status socket is not enabled by default, it's default
-permissions do only allow the user pdnsd runs as to use the socket,
-strict_setuid is enabled by default and pdnsd runs as an unprivileged user.
-There is also a new configure option, --enable-underscores, that will make
-pdnsd allow underscores in domain names. Furthermore, the SRV record handling
-has been fixed to allow underscores in any case (this was not allowed
-previously, but is required by the RFC). SOA records are not put in the
-answer section any more if no answers are found (this violates the RFC's).
-It may be put in the authority section in a later version.
-There are also various bugfixes in this release.
-Upgrade is recommended.
-
-Version 1.1.4 fixes various smaller bugs, and should also improve the cache
-write performance especially for larger caches.	There are also two new
-features: servers can now be given a label (using the label server option)
-which can be used to identify them for the pdnsd-ctl server command
-(contributed by Andrew M. Bishop), and local records can be marked to make
-the domain record authoritative in pdnsd's cache (which means that pdnsd will
-assume that records that are not present in the cache for that domain are
-non-existent); this is on by default now, and can be controlled using the new
-authrec server option).
-
-Version 1.1.3 added contrib/ and had a lot of robustness fixes.
-This release addresses a security hole that affects only Linux systems. Due to
-a bug in glibc, pdnsd could crash during a port scan. This release contains
-a workaround for this, as well as a fix for a deadlock under heavy load 
-conditions. It also fixes a possible problem that could be triggered by 
-malicious servers, and contains numerous bug fixes.
-A script, contributed by Marko Stolle, makes pdnsd useful in a DHCP setup.
-pdnsd also preservers the case of names in the cache, and should work much
-better on alpha machines (thanks for the contributions by Bjoern Fischer 
-and P.J. Bostley that made this possible). New types were dded for rr 
-sections and pdnsd-ctl.
-Upgrade is recommended.
-
-Version 1.1.2 has a fix for a bug that could cause SERVFAIL to be 
-returned when NXDOMAIN would be appropriate. The bug surfaced only when
-pdnsd queried name servers with a behaviour different from BIND's in the
-NXDOMAIN case, e.g. pdnsd querying another pdnsd or e.g. djbdns. 
-
-Version 1.1.1 fixes a possible race condition in status socket creation.
-This race might be used by a local attacker to change the access 
-permissions of a certain file in /tmp. The risk of this is probably 
-negligible. The default setup uses a non-privileged user, default mode 
-0600, and the status socket is disabled normally, so this should be 
-relatively safe. I don't see any possibility to exploit this, it is
-more of a paranoia fix.
-There are also some other minor fixes and documentation improvements. 
-Upgrade is recommended. 
-
-Version 1.1.0 introduces negative cacheing, pdnsd-ctl enhancements and
-a much improved FreeBSD support. The cache file format has changed from
-prior releases. Some configuration defaults have changed, too.
-
-Version 1.0.15 is mostly a bugfix release. It also has a new option:
-randomize_recs in the global section.
-
-Version 1.0.14 has a fix in icmp.c that will make it build properly
-on FreeBSD and older Linux systems.
-
-Version 1.0.13 has some code cleanup, a fix for the Debian rc install,
-and a security fix (contributed by Olaf Kirch): when changing
-user and group id, pdnsd did not drop supplementary group IDs that
-the original user was member of.
-
-Version 1.0.12 is a bugfix release and contains some security
-enhancements. There are also inclusion/exclusion lists for servers
-(new options include=, exclude=, policy= in the server
-section).
-
-Version 1.0.11 fixes two bugs that might be used for denial-of-service
-attacks, upgrading is recommended.
-
-Versions 1.0.9 and 1.0.10 are bugfix releases.
-
-Version 1.0.8 introduces special linux ppp device support contributed
-by Ron Yorston, and has some bugfixes.
-
-Version 1.0.7 introduces autoconf support, many new config file options and
-the new pdnsd-ctl run-time configuration program.
-
-Version 1.0.6 has another set of bugfixes, in addition to higher compile-
-time configurability and UDP query support. It also contains Debian rc
-scripts contributed by Markus Mohr.
-
-Version 1.0.5 has some bugfixes and the new "server_ip" option 
-contributed by Wolfgang Ocker.
-
-Version 1.0.4 introduces the new options run_as, strict_setuid and
-paranoid. These new options are optional security enhancements.
-
-Versions 1.0.1, 1.0.2 and 1.0.3 are bugfix releases.
-
-Version 1.0.0 has a lot of changes compared to the 0.9.x tree, but much of 
-them "under the hood":
-- IPv6 support (experimental; compile- and run-time configurable)
-- FreeBSD (and such hopefully *BSD) support
-- better rfc2181 compatability
-- new options:
-  - serve_aliases in source section
-  - linkdown_kluge in global section 
-  - max_ttl in global section 
-- cache-code reorganization, only one unified hash (of variable depth)
-- Optimizations & cleanups
-- Automatic deps (only interesting for developers ;-)
-
-Version 0.9.11 fixes a locally exploitable security hole (the cache file was
-world writeable by default). Please see ChangeLog.old for details.
-
-Version 0.9.10 fixes some bugs and improves build on Red Hat.
-
-Version 0.9.9 contains the rc scripts for Red Hat Linux contributed by Torben 
-Janssen, in addition to code cleanups and bugfixes.
-The meaning of the option -v has changed in this release.
-There is also a new config file option "lean_query" that is on by default. It 
-is an optimization, so please look in the docs when updating whether you want 
-it switched on or not.
-
-When compiling versions after 0.9.8, you will probably get more
-compiler warningsthan before. This is because the C compiler settings
-have been made stricter.
-
-Version 0.9.8 fixes a minor bug some build problems with glibc2.0 systems.
-
-The versions 0.9.6 and 0.9.7 are bugfix releases.
-
-Version 0.9.5 introduces uptest=exec, and a modified config file syntax (cache
-sizes are now specified in kB).
-
-Version 0.9.4 was the first to be released to the public. For information on 
-changes, see ChangeLog.
-
diff --git a/app/src/main/jni/pdnsd/PKGBUILD.in b/app/src/main/jni/pdnsd/PKGBUILD.in
deleted file mode 100644
index 3d61765..0000000
--- a/app/src/main/jni/pdnsd/PKGBUILD.in
+++ /dev/null
@@ -1,24 +0,0 @@
-# Package build script for Arch Linux,
-# contributed by Alexander Drozdov.
-
-pkgname=@PACKAGE@
-pkgver=@VERSION@
-pkgrel=@packagerelease@
-pkgdesc="pdnsd is a proxy DNS server with permanent caching (the cache contents are written to hard disk on exit) that is designed to cope with unreachable or down DNS servers."
-url="http://members.home.nl/p.a.rombouts/pdnsd.html";
-license="GPLv3"
-depends=()
-makedepends=(glibc)
-conflicts=()
-replaces=()
-backup=()
-install=
-source=(http://members.home.nl/p.a.rombouts/pdnsd/releases/$pkgname-$pkgver-$pkgrel.tar.gz)
-md5sums=()
-
-build() {
-  cd $startdir/src/$pkgname-$pkgver
-  ./configure --prefix=/usr --enable-ipv6 --sysconfdir=/etc --with-distribution=ArchLinux
-  make || return 1
-  make DESTDIR=$startdir/pkg install
-}
diff --git a/app/src/main/jni/pdnsd/README b/app/src/main/jni/pdnsd/README
deleted file mode 100644
index 7042e93..0000000
--- a/app/src/main/jni/pdnsd/README
+++ /dev/null
@@ -1,22 +0,0 @@
-You can find the documentation for pdnsd in the doc/ directory. The html
-documentation (which I recommend) is in the doc/html/ subdirectory.
-The pure text documentation (which is generated automatically from the 
-html documentation) is in doc/txt/.
-The following documents are available:
-
-index.html / intro.txt		Overview, system requirements
-doc.html / manual.txt		Building, installation and usage instructions
-faq.html / faq.txt		The FAQ
-
-Share and enjoy!
-	Thomas <tmoestl@xxxxxxx>
-
-
-For news about recent changes in pdnsd the following files may be of
-interest to you:
-
-	README.par
-	ChangeLog
-	NEWS
-
-Last revised: 08 July 2007 by Paul Rombouts
diff --git a/app/src/main/jni/pdnsd/README.par b/app/src/main/jni/pdnsd/README.par
deleted file mode 100644
index ea181bc..0000000
--- a/app/src/main/jni/pdnsd/README.par
+++ /dev/null
@@ -1,216 +0,0 @@
-	        pdnsd version 1.2.9a by Paul Rombouts
-                =====================================
-
-This file describes the version of pdnsd that I maintain personally and am
-making available so other people can enjoy the latest features and fixes. Thomas
-Moestl no longer maintains pdnsd himself, so I am effectively the new
-maintainer. This README describes the new features in version 1.2. This version
-has a rather large number of internal changes and also some new features, which
-I am rather pleased with, even if I say so myself. I think the changes are
-significant enough to warrant increasing the minor version number from 1.1 to
-1.2. The differences between my previous "official" release 1.1.11 and Thomas'
-last release 1.1.7a are described in my previous README, which I have renamed
-REAME.par.old. In this README I restrict myself to describing changes between
-1.1.11 and 1.2.
-The main difference between versions 1.2 and 1.2.1, aside from some minor
-changes, is that 1.2.1 has (experimental) support for the Cygwin platform.
-Version 1.2.2 has further improvements in portability and should in
-particular now also compile on the Darwin (Apple Mac OS X) platform.
-Version 1.2.4 has some important fixes for a memory leak, a minor buffer-
-overflow problem and some situations which could cause pdnsd to exit
-prematurely. Note that TCP-query support is now compiled in by default, but can
-still be disabled using a configure option.
-The main new feature of version 1.2.5 is the new query method "udp_tcp".
-Version 1.2.6 has an updated license: GPL version 3. The main new feature of
-version 1.2.6 is the "reject" option, which makes it possible to censor or
-correct for unwanted IP addresses in replies.
-Version 1.2.7 contains an important fix for a "dangling pointer" bug and
-attempts to make pdnsd less vulnerable to the issues raised in CERT
-vulnerability note VU#800113. It also contains some improvements for defining
-local records interactively using the pdnsd-ctl utility.
-The main new feature of version 1.2.8 is automatic discovery of root servers,
-as well as some minor improvements in the resolver.
-Version 1.2.9 among other things supports many addtional RR types, uses data
-structures that should be more slightly more memory efficient and has support
-for EDNS, which allows DNS UDP messages to be larger than 512 bytes.
-Version 1.2.9a is a simple bugfix release that fixes a problem with compiling
-1.2.9 after configuring with --enable-strict-rfc2181. Unless you use this option
-to compile pdnsd, there is no need to upgrade from 1.2.9 to 1.2.9a.
-
-For instructions how to compile and install pdnsd see doc/html/doc.html or
-doc/txt/manual.txt. Note that I am no longer distributing a patch w.r.t. Thomas'
-version because the (compressed) patch file is barely smaller than the
-(compressed) tar archive.
-
-Here follows a list of some of changes in version 1.2 from a user's perspective.
-For a more technical description of some of the changes in the code see the ChangeLog.
-For a short history about recent releases have a look at NEWS or doc/html/index.html.
-
-- First of all, two potentially rather nasty bugs have been fixed in the code
-  for the handling of NXT and NAPTR records. A response from a remote server
-  containing NXT records (even well-formed ones) will very likely cause pdnsd to
-  crash. The code for handling NAPTR records contained incorrect ASSERT
-  statements, which could cause pdnsd to abort in a controlled fashion, but
-  completely unnecessarily.
-
-- Sampo Lehtinen has remarked that pdnsd sometimes failed to resolve classless
-  reversed-delegated IP addresses, and that this has something to do with the
-  fact that pdnsd didn't accept '/' characters in domain names. After reading
-  some of the relevant RFCs I decided to remove all restrictions on the types
-  of characters that pdnsd accepts in domain names. Of course for most
-  applications, there are many characters which don't make sense in domain
-  names, but I feel that it is the responsibility of the client application to
-  reject these, not the proxy server.
-
-- At the suggestion of Dan Tihelka, I have expanded to the server_ip= option to
-  allow the name of an interface to be specified instead of an IP address.
-  Presently this has been tested on Linux only. Can someone running pdnsd on
-  *BSD tell me if the code for getting the address of an interface is different
-  for Linux and BSD-type systems?
-
-- At the suggestion of Juliusz Chroboczek I've added an new server availability
-  test which can be specified with uptest=query. This can be useful as an
-  alternative to "uptest=ping" in case the remote server does not respond to
-  ICMP_ECHO requests at all, which unfortunately is quite common these days.
-  "uptest=query" causes pdnsd to send an empty query to remote name servers. Any
-  well-formed response (apart from SERVFAIL) within the timeout period will be
-  interpreted as a sign that the server is "up".
-
-- Instead of specifying the IP addresses of the name servers that pdnsd should
-  query in a server section of the config file, you may also specify a
-  resolv.conf-style file. Preferably this should not be /etc/resolv.conf. If the
-  contents of the resolv.conf type file changes while pdnsd is running, you can
-  make pdnsd aware of the changes with the "pdnsd-ctl config" command, see
-  below. Example:
-
-    server {
-	label=myisp;
-	file=/etc/ppp/resolv.conf;
-	timeout=10;
-    }
-
-- There is a new option for "server" sections in the config file:
-  root_server=on/off.
-  In case a server section contains only addresses of root servers, which
-  usually only give the name servers of top level domains in their reply,
-  setting root_server=on will enable certain optimizations. This involves using
-  cached information to reduce queries to the root servers, thus speeding up the
-  resolving of new names.
-
-- New option for "rr" sections in the config file: reverse=on/off.
-  If you want a locally defined name to resolve to a numeric address and vice
-  versa, you can now achieve this by setting reverse=on before defining the A
-  record, making it unnecessary to define a separate PTR record for the reverse
-  resolving.
-  Example:
-
-    rr {
-	name = localhost;
-	reverse = on;
-	a = 127.0.0.1;
-    }
-
-  has the same effect as:
-
-    rr {
-	name = localhost;
-	a = 127.0.0.1;
-    }
-    rr {
-	name = 1.0.0.127.in-addr.arpa;
-	ptr = localhost;
-    }
-
-- In rr sections it is now possible to specify a wildcard name, i.e. a name
-  starting with the label *. The * in a wildcard can match one or more labels in
-  a queried name, but only whole labels. For example, *.mydomain will match
-  a.mydomain or www.a.mydomain, but not mydomain. Before you can specify an rr
-  section with name=*.mydomain you must define some records for mydomain,
-  typically NS and/or SOA records.
-  Example:
-
-    rr {
-	name = mydomain;
-	ns = localhost;
-	soa = localhost, root.localhost, 42, 86400, 900, 86400, 86400;
-    }
-    rr {
-	name = *.mydomain;
-	a = 192.168.1.10;
-    }
-
-- There is a slight backwards compatibility problem which involves the name= and
-  owner= options in rr sections. The new version does not allow you to place
-  owner= before name=. On the other hand, you may now freely mix the owner
-  option with the a,ptr,cname,mx and soa options and define as many records of
-  this type as you like (including zero).
-
-- pdnsd-ctl has three new commands:
-
-  config: Reloads pdnsd's configuration file. This is more efficient than
-  restarting pdnsd, and should not cause only noticeable interruption in DNS
-  service. However, some types of configuration changes cannot be put into
-  effect this way, and you will be prompted to restart pdnsd instead.
-
-  empty-cache: Empties the cache completely, freeing all existing entries.
-  In version 1.2.3 you can specify a selection of entries to delete by providing
-  a list of include/exclude patterns.
-
-  dump: Prints information about all the names stored in the cached. This is
-  mainly useful for diagnostic purposes.
-
-- There is now a pdnsd.conf(5) man page, describing pdnsd's configuration file.
-  The man page has been generated from the html documentation using a customized
-  Perl script.
-
-- New in version 1.2.4: Time intervals in the configuration files can now be
-  expressed in seconds, minutes, hours, days and weeks, using the suffixes
-  s,m,h,d,and w.
-  Example: 2h30m is interpreted as 2*60*60 + 30*60 = 9000 seconds.
-
-- Version 1.2.5 introduces a new configuration option, contributed by Jan-Marek
-  Glogowski, called "use_nss" which can be turned off to prevent nasty delays in
-  certain situations.
-  Besides the query methods "udp_only", "tcp_only" and "tcp_udp" you can now
-  also specify "udp_tcp", which more closely adheres to the behaviour
-  recommended by DNS standards.
-
-- Version 1.2.6 introduces the "randomize_servers" and "reject" options. By
-  setting "randomize_servers" on you can give each server in a server section an
-  equal chance of being queried, which is useful when resolving from root
-  servers, for instance. The "reject" option can be used to censor certain IP
-  addresses or correct for unwanted replies from servers you don't completely
-  trust.
-
-- Version 1.2.7 contains support for "include" files which can be referenced
-  from configuration files or read interactively using pdnsd-ctl. These files
-  can be used to add local definitions to the cache without reconfiguring pdnsd.
-  The new "pdnsd-ctl eval" command can be used to interactively define local
-  records that could previously only be defined in configuration files but not
-  with the "pdnsd-ctl add" command.
-
-- Version 1.2.8 contains support for automatic discovery of root servers.
-  Instead of supplying a complete list of IP addresses of root servers in a
-  server section of the configuration file, you need only enter one or two
-  addresses of name servers which know the names and addresses of the root
-  servers and set "root_server=discover".
-  The "neg_rrs_pol" option has a new default setting, which should allow
-  sensible negative caching of RRs in most situations, even if "proxy_only=on".
-
-- Version 1.2.9 contains support for EDNS (Extension mechanisms for DNS), which
-  allows UDP messages to be larger than 512 bytes. Whether pdnsd uses EDNS in
-  outgoing queries is determined by the configuration option "edns_query". If
-  pdnsd receives a query using EDNS, it will reply using EDNS regardless of the
-  configuration settings.
-  Local TXT records can now be defined in the configuration file.
-  If the query uptest fails due to remote servers ignoring empty queries, this
-  can now be remedied using the new "query_test_name" config option.
-
-The new features are described in greater detail in the manual doc/html/doc.html
-or doc/txt/manual.txt.
-
-Enjoy!
-
-If you have any questions about my version of pdnsd, you can send these
-to <p.a.rombouts@xxxxxxx>. Questions about the original (unmaintained) pdnsd
-version should be sent to <tmoestl@xxxxxxx> or <t.moestl@xxxxxxxx>.
diff --git a/app/src/main/jni/pdnsd/README.par.old b/app/src/main/jni/pdnsd/README.par.old
deleted file mode 100644
index 4bf0eda..0000000
--- a/app/src/main/jni/pdnsd/README.par.old
+++ /dev/null
@@ -1,249 +0,0 @@
-	  pdnsd maintenance version 1.1.11-par by Paul Rombouts
-	  =======================================================
-
-This file describes the version of pdnsd that I maintain personally and am
-making available so other people can enjoy the latest features and fixes.
-Thomas Moestl no longer maintains pdnsd himself, so I am effectively the new
-maintainer. The current version is 1.1.11-par, which has a rather large number
-of small changes. Among the bugs fixed are a race condition in the cache lookup
-code, a flaw in the code that caused a busy spin when a remote server answered
-with "Not Implemented", and problems with the -4 and -6 command-line options.
-Among the improvements are an alternative sorting algorithm which should allow
-pdnsd to start up faster when reading a large cache file from disk, automatic
-mapping of IPv4 to IPv6 addresses when running in IPv6 mode, somewhat more
-efficient memory use, and better compression of the replies. Some of the new
-features are described in the second half of this file (look for "new in version
-1.1.11"). For the rest of the changes I will have to refer you to the ChangeLog.
-For a short history about recent releases have a look at doc/html/index.html.
-
-Since version 1.1.9 I've added some missing pieces to the documentation (the
-manual doc/html/doc.html,doc/txt/manual.txt and the man page doc/pdnsd-ctl.8).
-Version 1.1.11 finally has a man page doc/pdnsd.8, thanks to a contribution by
-Mahesh T. Pai.
-
-The first part of this file describes how to patch, compile, install and run
-pdnsd. The second part describes some of the changes I've made to Thomas
-Moestl's code.
-
-Unless you're using the pre-patched source archive pdnsd-1.1.11-par.tar.gz you
-must first apply my patch file pdnsd-1.1.11-par.diff.gz before compiling and
-installing pdnsd according to Thomas Moestl's instructions described in the the
-documentation. Use a freshly untarred copy of Thomas Moestl's original version
-1.1.7a source, cd into the source directory pdnsd-1.1.7a and apply the command:
-
-gzip -cd <path_to_patch>/pdnsd-1.1.11-par.diff.gz | patch -p2 -N -Z
-
-Note: I have used GNU extensions so there may be some portability issues. I have
-supplied alternatives for some of the less portable functions. There should be no
-problem with most Linux distributions.
-
-That's it! You should now be able to compile, install and run pdnsd. See the
-documentation in doc/html/doc.html or doc/txt/manual.txt for more detailed
-instructions.
-
-Some people may want change the compiler optimization flag. I use the -O2 flag,
-but it might be safer to use a lower level of optimization or no optimization at
-all. In that case prefix the configure command with the desired compiler flags
-like this (assuming you're using a bash shell):
-
-    CFLAGS="-O1 -g -Wall" ./configure ...
-
-I have added a new configuration option "--with-thread-lib=<lib>", which you
-should use if you experience problems with signal handling under Linux. The
-usual symptom is failure by pdnsd to save the cache to disk, and
-/var/cache/pdnsd/pdnsd.cache remaining empty. If you experience this kind of
-trouble, try reconfiguring with different values for the --with-thread-lib
-option. The allowable values are "linuxthreads" (the default), "linuxthreads2"
-(or "lt2" for short), and "nptl". I recommend that you first configure and
-compile without the --with-thread-lib option, then if you experience trouble try
-again with --with-thread-lib=lt2 and recompile.
-If your Linux system has an implementation of the Native POSIX Thread Library,
-which is the case with Red Hat 9 for instance, you should use
---with-thread-lib=nptl .
-Ideally, I would like to write a configure script which automatically detects
-which kind of thread library is being used on a Linux system, but I don't have a
-clue yet how to do this. If you can help me with this please write to me at the
-email address listed at the end of this file.
-
-The rest of this file describes some of the modifications I've made, but you
-don't have to read it if you simply want to run pdnsd as you're used to.
-
-
-- The main new feature I've added enables you to change the server addresses
-  that pdnsd uses at run-time using pdnsd-ctl. I've done this because the ISPs I
-  use do not specify fixed DNS server addresses, but expect their clients to use
-  dynamic DNS configuration (DHCP in the case of the cable connection, RFC1877
-  in case of isdn). I've extended the options that can be given with the
-  "server" command to pdnsd-ctl, to allow IP addresses to be specified as an
-  additional argument after "up|down|retest". This allows me to put something
-  like this in my ifup-local script:
-
-  pdnsd-ctl server isp-label up "$DNS1 $DNS2"
-
-  For more details how to use pdnsd-ctl read the updated documentation in
-  the doc/html directory. There is also a manpage for pdnsd-ctl.
-  This was quite tricky to implement because there might be pending queries
-  while the addresses are being changed. It certainly was an interesting
-  exercise in writing multi-threaded code for me.
-
-
-- I've implemented a feature which allowed me to specify multiple IP addresses
-  per server section in the configuration file. This allowed for a much more
-  compact configuration file (3 server sections instead of 7 in my case),
-  because most configuration options are identical for servers belonging to the
-  same ISP. It also made the output of "pdnsd-ctl status" more compact. And it
-  was necessary to enable a satisfactory implementation of the previous feature.
-  Example of the new syntax:
-
-	ip = 123.456.789.001, 123.456.789.002, 123.456.789.003;
-
-  At the suggestion of Greg Norris server sections no longer have to specify IP
-  addresses. A server section without IP addresses will remain inactive until it
-  is assigned one more addresses at run-time with pdnsd-ctl.
-
-- I've changed the implementation of dynamic arrays to make it slightly more
-  efficient, and improve type safety. I also got rid of several arrays of fixed
-  size in favor of dynamically allocated arrays. In particular, I got rid of
-  all occurrences of MAXPATH. I also made several static variables "automatic".
-
-- The output of the "status" command of pdnsd-ctl now gives more meaningful
-  constant names "ping|none|if|exec" instead of numbers for the "uptest" option.
-  I've also added some information that was previously missing.
-
-- I've fixed I a problem that caused pdnsd to use up a lot of CPU time and slow
-  down my system considerably when it received a query that took a long time to
-  resolve. It turned out that pdnsd can get into a "busy spin" when one of the
-  DNS servers pdnsd is querying refuses the connection. Apart from fixing this
-  bug, to speed things up additionally, I thought it would be a good idea to
-  mark a server down (without retesting it) after detecting errno==ECONNREFUSED.
-  This gives me very satisfactory performance, with the problematic server being
-  tried only once during every testing interval.
-
-  New in version 1.1.11: An additional busy spin condition, triggered when a
-  remote server answers with "Not Implemented", has been discovered and fixed.
-  In case there are remaining bugs in the multiplexing code, I've added a test
-  that checks if the number of events reported by poll/select matches the number
-  of events handled by pdnsd. If not, pdnsd will log an error message and give
-  up. Although the bugs still need to be reported and fixed, at least this
-  should prevent pdnsd from wasting CPU cycles.
-
-- Due to a bug in Thomas' code, pdnsd tries, but fails, to remove the control
-  socket "pdnsd.status" before exiting. This has also been fixed. In version
-  1.1.8b1-par6 I have cleaned this up some more so that pdnsd will handle
-  situations where it can't open or bind the control socket more gracefully.
-
-- I've rewritten some of the code that saves the contents of the cache to the
-  file "pdnsd.cache" just before pdnsd exits. This is because I noticed in my
-  logfiles that pdnsd occasionally had problems reading this file back at
-  startup. I eliminated the use of fseek() in Thomas' code. I could not find
-  anything that was demonstrably incorrect about his use of fseek(), but it
-  seemed better to me to do without it and write the file in a strictly
-  sequential order. Anyway, it turned out my hunch paid off: no more error
-  messages about "pdnsd.cache" in my logfile.
-
-  New in version 1.1.11: I've added some new code for sorting the queue used for
-  purging stale cache entries. This should allow pdnsd to start up faster when
-  reading large cache files from disk.
-
-- I've extended the configuration options for policies of inclusion/exclusion
-  lists in server sections. The new policies options are "simple_only" and
-  "fqdn_only". Setting policy=simple_only will cause the server to used only for
-  simple hostnames if no other rule matches. On the other hand, setting
-  policy=fqdn_only will cause the server to be used only for fully qualified
-  domain names (i.e. the name has at least one dot in-between). I find these
-  options useful for controlling which name servers (if any) will be used by
-  pdnsd for simple host names.
-
-- I've added a new "delegation_only" option that can be used to undo the
-  unwanted effects of DNS "wildcards". It works roughly as the feature by the
-  same name in BIND. It is turned off by default. To block Verisign's
-  Sitefinder, add the following line to the global section of the configuration
-  file:
-
-	delegation_only= com, net;
-
-  If you find that this feature blocks some legitimate domain names, you will
-  probably need to add the address of a nameserver that provides good authority
-  information. More information can be found at
-  http://www.phys.uu.nl/~rombouts/pdnsd/delegationonly.html
-
-- It is no longer mandatory that domain names in the configuration file end in a
-  dot.
-
-- The parser for configuration files has been rewritten purely in C, so (f)lex
-  and yacc/bison are no longer needed to build pdnsd.
-  It is no longer necessary to place strings between quotes in the configuration
-  file, unless a string contains a special character such as whitespace, a token
-  that normally starts a comment, or one of the characters ",;{}". Note that
-  these special characters are illegal in domain names anyway.
-
-- New in version 1.1.11: Negating whole domains with a neg section in the
-  config file will result in all the subdomains being negated as well.
-  For example, adding the lines
-
-	neg {name=doubleclick.com; types=domain;}
-	neg {name=doubleclick.net; types=domain;}
-
-  will also negate ad.doubleclick.com, ad.fr.doubleclick.net, etc.
-
-- New in version 1.1.11: When running in IPv6 mode, pdnsd will now automatically
-  map any IPv4 addresses it reads in the config file to IPv6 addresses.
-  When pdnsd has been compiled with IPv6 support and runs in IPv4 mode, it will
-  skip IPv6 addresses with a warning message. This may result in certain server
-  sections becoming inactive, though.
-
-  The -4 and -6 options should now work as advertised.
-  I've added two new command-line options, "-a" and "-i <prefix>".
-  With the -a flag pdnsd will try to detect automatically if IPv6 support is
-  available on a system, and fall back to IPv4 if not. The -a flag can be used
-  instead of -4 or -6.
-  The -i option can be used to specify a prefix for mapping IPv4 to IPv6
-  address. The default is ::ffff.0.0.0.0. There is also a corresponding
-  ipv4_6_prefix= option for the config file.
-
-- New in version 1.1.11: I've slightly changed the way pdnsd does parallel
-  queries. Active queries or not canceled until we have received a useful
-  response from a remote name server, or all the queries have failed or timed
-  out. Thus the par_queries parameter is no longer the maximum number of
-  parallel queries, but rather the increment with which the number of parallel
-  queries is increased when the previous set has timed out. In the worst case
-  there will be pending queries to all the servers in the list of available
-  servers simultaneously. We may be wasting more system resources this way, but
-  the advantage is that we have a greater chance of catching a reply. After all,
-  if we wait longer anyway, why not for more servers.
-  I've also introduced a global timeout parameter. This is the minimum period of
-  time pdnsd will wait after sending the first query to a remote server before
-  giving up without having received a reply. The timeout options in the
-  configuration file are now only minimum timeout intervals. Setting the global
-  timeout option makes it possible to specify quite short timeout intervals in
-  the server sections. This will have the effect that pdnsd will start querying
-  additional servers fairly quickly if the first servers are slow to respond
-  (but will still continue to listen for responses from the first ones). This
-  may allow pdnsd to get an answer more quickly in certain situations.
-
-  After receiving a reply from a remote server the server is marked up and its
-  time stamp is updated. This will have the effect that pdnsd doesn't bother
-  testing this server for availability for a period of time, and thus the
-  overhead caused by testing is reduced. After server timeouts, uptests are
-  performed by the separate server status thread, not by threads that have to
-  answer queries. Unresponsive servers with uptest=ping will not be marked down
-  immediately any more, but only after the ping test has definitely failed.
-
-I've also included a number of bug-fixes contained in a patch file supplied to
-me by Thomas Moestl. In addition to the things I had already fixed, the
-following issues are addressed: some memory leaks, dropping of root privileges
-before calling uptest scripts in case pdnsd was started setuid root (which is a
-bad idea anyway), passing on open fd's to uptests, integer overruns in the
-status reporting code, fixing string passing from the lexer, more consistent
-treatment of underscores in domain names.
-
-In addition to the things I've listed above, I've made various little changes to
-fix minor bugs, improve efficiency or elegance, or simply to suit my my own
-coding style. These changes are too numerous to list here, but some of them are
-listed in the ChangeLog. Of course if you are really interested in the
-nitty-gritty you can always compare the source of my version with Thomas'
-original code.
-
-If you have any questions about the modifications I've made, you can send these
-to <p.a.rombouts@xxxxxxx>. Questions about the original pdnsd version should
-be sent to <tmoestl@xxxxxxx> or <t.moestl@xxxxxxxx>.
diff --git a/app/src/main/jni/pdnsd/THANKS b/app/src/main/jni/pdnsd/THANKS
deleted file mode 100644
index 9c7e3bb..0000000
--- a/app/src/main/jni/pdnsd/THANKS
+++ /dev/null
@@ -1,66 +0,0 @@
-This is a (hopefully complete) list of people I have to thank for helping me
-develop and improve pdnsd:
-
-David G. Andersen
-Andrew M. Bishop
-Daniel Black
-Carsten Block
-Stephan Boettcher
-P.J. Bostley
-Rodney Brown
-Kevin A. Burton
-Juliusz Chroboczek
-Joachim Dorner
-Frank Elsner
-Christian Engstler
-Stefan Erhardt
-Bjoern Fischer
-Stefan Förster
-Bert Frederiks
-Mike Hammer
-Jonathan Hudson
-Torben Janssen
-Byrial Jensen
-Olaf Kirch
-Nikola Kotur
-Kiyo Kelvin Lee
-Bernd Leibing
-Patrick Loschmidt
-James MacLean
-Sourav K. Mandal
-Fraser McCrossan
-Markus Mohr
-Michael Müller
-Gustavo Niemeyer
-Alexandre Nunes
-Wolfgang Ocker
-Mahesh T. Pai
-Bernhard Pelz
-Soenke J. Peters
-Erich Reitz
-Paul A. Rombouts
-Brian Schroeder
-Roman Shterenzon
-Daniel Smolik
-Milan P. Stanic
-Michael Steiner
-Norbert Steinl
-Andreas Steinmetz	
-Marko Stolle
-Markus Storm
-Michael Ströder
-Thomas Stromberg
-Alan Swanson
-Lyonel Vincent
-Eelco Vriezekolk
-Paul Wagland
-Sverker Wiberg
-Michael Wiedmann
-Ron Yorston
-Nikita V. Youshchenko
-Jan-Marek Glogowski
-Thomas Cort
-Pierre Habouzit
-Dirk Armbrust
-Georg Schwarz
-Ashish Shukla
diff --git a/app/src/main/jni/pdnsd/TODO b/app/src/main/jni/pdnsd/TODO
deleted file mode 100644
index f6a1650..0000000
--- a/app/src/main/jni/pdnsd/TODO
+++ /dev/null
@@ -1,20 +0,0 @@
-- Implement a reference counter to ensure that newly entered records are not
-  purged immediately (really needed?)
-- Perhaps do a two-step form of recursive query: first query those servers we
-  have got cached, then (if unsuccessful) look the others up and query again.
-  The impact of this optimisation may not be very big, because all sane servers
-  give A records for NS records if possible.
-- Test for compatibility on other Unix-like Systems other than the BSDs and
-  Linux; rewrite the functions in netdev.c and icmp.c for those OSs if
-  necessary. Also try to get compatibility for other compilers than gcc.
-- Write an install rule for the Slackware start-up script.
-- Update the FAQ.
-- Implement DNSSEC support. Since version 1.2.9, pdnsd is able to cache the RR
-  types necessary for DNSSEC, but the resolver is not yet security aware.
-- Implement a lookup table (hash table) for queries in progress. This would
-  enable a thread that is resolving a query that is already being handled by
-  another thread to wait for that other thread to finish and copy its result
-  rather than independently query remote servers. It is very common for
-  resolvers to resend UDP queries if they don't get a reply within a timeout
-  period and if the answer is not yet cached, this will result in multiple
-  threads duplicating each others work in the current implementation.
diff --git a/app/src/main/jni/pdnsd/acconfig.h b/app/src/main/jni/pdnsd/acconfig.h
deleted file mode 100644
index c864071..0000000
--- a/app/src/main/jni/pdnsd/acconfig.h
+++ /dev/null
@@ -1,191 +0,0 @@
-#ifndef _CONFIG_H_
-#define _CONFIG_H_
-
-/* ONLY EDIT acconfig.h, NEVER config.h or config.h.in!
- * config.h MAY BE OVERWRITTEN BY make, config.h.in by autoheader! */
-
-/* Define your Target here. Currently defined are TARGET_LINUX (any
- * architecture), TARGET_BSD (experimental; tested on FreeBSD, hopefully
- * works for other BSD variants) and TARGET_CYGWIN. */
-#define TARGET TARGET_LINUX
-
-/* change the #undef to #define if you do not want to compile with special
- * ISDN support for Linux. Note that the ISDN support will not compile ok on
- * unpatched kernerls earlier than 2.2.12 (if you did apply newer isdn patches,
- * it may work fine). This is not on by default because it will cause compile
- * problems on some systems */
-#undef ISDN_SUPPORT
-
-/* The following regulates the IP Protocol support. Supported types are IPv4
- * and IPv6 (aka IPng). You may enable either or both of these protocols.
- * Enabling in this context means that support for the respective protocol
- * will be in the binary. When running the binary, one of the protocols may
- * be activated via command line switches. Note that activating both IPv4 and
- * IPv6 is pointless (and will not work because two UDP and two TCP threads
- * will be started that concur for ports). Because of that, it is not allowed.
- * When pdnsd runs with IPv6 activated it should be able to service queries
- * from IPv6 as well as from IPv4 hosts, provided that you host is configured
- * properly.
- * For each of the protocols there are two options: ENABLE_IPV4 and ENABLE_IPV6
- * control whether support for the respective protocol is available in the
- * binary. DEFAULT_IPV4 selects which protocol is enabled on pdnsd
- * startup by default. 1 means IPv4, while 0 means IPv6. If support for
- * a protocol was included in the executable, you can specify command line
- * parameters to activate or deactivate that protocol (the options are -4 and
- * -6), but it makes more sense to use the run_ipv4=on/off option in the
- * configuration file.
- * Make your choice. Note that IPv6 support is experimental in pdnsd.
- * In normal operation, you will currently only need IPv4. */
-#undef ENABLE_IPV4
-#define DEFAULT_IPV4 1
-#undef ENABLE_IPV6
-
-/* In all pdnsd versions before 1.0.6, DNS queries were always done over
- * TCP. Now, you have the choice. You can control that behaviour using
- * the -m command line switch, and you can give a preset here. There
- * are 3 different modes:
- * UDP_ONLY: This is undoubtedly the fastest query method, because
- *       no TCP negotiation needs to be done.
- * TCP_ONLY: This is slower than uo, but generally more secure
- *       against DNS spoofing. Note that some name servers on the
- *       internet do not support TCP queries, notably dnscache.
- * TCP_UDP: TCP, then UDP. If the TCP query fails with a "connection refused"-
- *       error or times out, the query is retried using UDP.
- * UDP_TCP: UDP, then TCP. If the UDP reply is truncated (i.e. the tc flag is set),
- *       the query is retried using TCP. */
-#define M_PRESET UDP_ONLY
-
-/* In addition to choosing the presets, you may also completely disable
- * one of the protocols (TCP for preset UDP_ONLY and UDP for preset TCP_ONLY).
- * This saves some executable space. */
-#undef NO_UDP_QUERIES
-#undef NO_TCP_QUERIES
-
-/* With the following option, you can disable the TCP server functionality
- * of pdnsd. Nearly no program does TCP queries, so you probably can do
- * this safely and save some executable space and one thread.
- * You also can turn off the TCP server at runtime with the --notcp option. */
-#undef NO_TCP_SERVER
-
-/* By undefining the following, you can disable the UDP source address
- * discovery code. This is not recommended, but you may need it when
- * running into compilation problems. */
-#undef SRC_ADDR_DISC
-
-/* NO_POLL specifies not to use poll(2), but select(2) instead. If you are
- * unsure about what this means, just leave this as it is.*/
-#undef NO_POLL
-
-/* Define this for "hard" RFC 2181 compliance: this RFC states that
- * implementations should discard answers whose RR sets have multiple
- * different time stamps. While correct answers are generated, incorrect
- * ones are normally tolerated and corrected. Full RFC compliance is
- * however only achieved by deactivating this behaviour and thus being
- * intolerant. */
-#undef RFC2181_ME_HARDER
-
-/* Define this to the device you want to use for getting random numbers.
- * Leave this undefined if you wand to use the standard C library random
- * function, which basically should be sufficient.
- * Linux and FreeBSD have two random number devices: /dev/random and
- * /dev/urandom. /dev/urandom might be less secure in some cases, but
- * should still be more than sufficient. The use of /dev/random is
- * discouraged, as reading from this device blocks when new random bits
- * need to be gathered. */
-#undef RANDOM_DEVICE
-#undef R_DEFAULT
-#undef R_RANDOM
-#undef R_ARC4RANDOM
-/*#define RANDOM_DEVICE "/dev/urandom"*/
-
-/* Designate which database manager to use for cacheing.
- * default: native; others: gdbm */
-#define CACHE_DBM DBM_NATIVE
-
-#define CACHEDIR "/var/cache/pdnsd"
-
-#define TEMPDIR "/tmp";
-
-/* This is for various debugging facilities that produce debug output and
- * double-check some values. You can enable debug messages with the -g option.
- * Normally, you can switch this off safely by setting the number after DEBUG
- * to 0. This will increase speed (although only marginally), save space
- * in the executable (only about 12kB) and some stack space per thread
- * (which may be significant if you have many threads running simultaneously).
- * However, it may be an aid when debugging config files.
- * The only defined debug levels by now are in the range 0 - 9.
- * Define this to 9 if you want hex dumps of all the queries and replies pdnsd
- * receives (you must also call pdnsd with -v9 to actually see the hex dumps).
- * When in doubt, leave it defined to 1. */
-#define DEBUG 1
-
-/* This defines the default verbosity of informational messages you will get.
-   This has nothing to to with the debug option (-g), but may be set with -v
-   option. 0 is for normal operation, up to 3 for debugging.
-   Unlike the debug messages, these messages will also be written to the syslog.*/
-#define VERBOSITY 0
-
-/* Redefine this if you want another hash size.
- * The number of hash buckets is computed as power of two (1<<HASH_SZ);
- * so e.g. HASH_SZ set to 10 yields 1024 hash rows.
- * HASH_SZ may not be bigger than 32 (if you set it even close to that value,
- * you are nuts.) */
-#define HASH_SZ 10
-
-/* Set this to debug the hash tables. Turn this off normally, or you will get
- * flooded with diagnostic messages */
-#undef DEBUG_HASH
-
-/* Define if you have working C99 Variadic macro support */
-#undef CPP_C99_VARIADIC_MACROS
-
-/* Define as int if socklen_t typedef is missing */
-#undef socklen_t
-
-/* Lock the UDP socket before using it? */
-#undef SOCKET_LOCKING
-
-/* Default TCP timeout when receiving queries */
-#define TCP_TIMEOUT 30
-
-/* Allow subsequent TCP queries on one connection? */
-#undef TCP_SUBSEQ
-
-/* Default value for parallel query number */
-#define PAR_QUERIES   2
-
-/* Maximum number of IP addresses used per nameserver obtained from NS records. */
-#define MAXNAMESERVIPS 3
-
-/* These are the possible targets. Normally no need to touch these
- * definitions. */
-#define TARGET_LINUX  0
-#define TARGET_BSD    1
-#define TARGET_CYGWIN 2
-
-/* Assume the Native POSIX Thread Library instead of LinuxThreads ? */
-#undef THREADLIB_NPTL
-
-/* If we are using LinuxThreads, implement the fix needed for newer glibcs ? */
-#undef THREADLIB_LINUXTHREADS2
-
-/* The following is needed for using LinuxThreads. Better don't touch. */
-#define _REENTRANT 1
-#define _THREAD_SAFE 1
-
-/* It appears the newer versions of gcc won't convert a pointer to char into
-   a pointer to unsigned char and vice versa without complaining.
-   By using casts these warning messages can be suppressed, but at the cost
-   of losing some type safety.
-   Define charp and ucharp to be empty if you are a developer and find type
-   safety more important.
-   Leave the definitions unchanged to avoid distracting warning messages. */
-#define charp (char *)
-#define ucharp (unsigned char *)
-
-
-/* pdnsd version. DO NOT TOUCH THIS! It is replaced automatically by the
- * contents of ./version */
-#define VERSION "@VERSION@"
-
-#endif
diff --git a/app/src/main/jni/pdnsd/aclocal.m4 b/app/src/main/jni/pdnsd/aclocal.m4
deleted file mode 100644
index 7224f6c..0000000
--- a/app/src/main/jni/pdnsd/aclocal.m4
+++ /dev/null
@@ -1,1021 +0,0 @@
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-# --------------------
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-# Substitute a variable $(am__tar) that is a command
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-     [m4_case([$1], [ustar],, [pax],,
-              [m4_fatal([Unknown tar format])])
-AC_MSG_CHECKING([how to create a $1 tar archive])
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diff --git a/app/src/main/jni/pdnsd/compile b/app/src/main/jni/pdnsd/compile
deleted file mode 100644
index 1b1d232..0000000
--- a/app/src/main/jni/pdnsd/compile
+++ /dev/null
@@ -1,142 +0,0 @@
-#! /bin/sh
-# Wrapper for compilers which do not understand `-c -o'.
-
-scriptversion=2005-05-14.22
-
-# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
-# Written by Tom Tromey <tromey@xxxxxxxxxx>.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-# This file is maintained in Automake, please report
-# bugs to <bug-automake@xxxxxxx> or send patches to
-# <automake-patches@xxxxxxx>.
-
-case $1 in
-  '')
-     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
-     exit 1;
-     ;;
-  -h | --h*)
-    cat <<\EOF
-Usage: compile [--help] [--version] PROGRAM [ARGS]
-
-Wrapper for compilers which do not understand `-c -o'.
-Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
-arguments, and rename the output as expected.
-
-If you are trying to build a whole package this is not the
-right script to run: please start by reading the file `INSTALL'.
-
-Report bugs to <bug-automake@xxxxxxx>.
-EOF
-    exit $?
-    ;;
-  -v | --v*)
-    echo "compile $scriptversion"
-    exit $?
-    ;;
-esac
-
-ofile=
-cfile=
-eat=
-
-for arg
-do
-  if test -n "$eat"; then
-    eat=
-  else
-    case $1 in
-      -o)
-	# configure might choose to run compile as `compile cc -o foo foo.c'.
-	# So we strip `-o arg' only if arg is an object.
-	eat=1
-	case $2 in
-	  *.o | *.obj)
-	    ofile=$2
-	    ;;
-	  *)
-	    set x "$@" -o "$2"
-	    shift
-	    ;;
-	esac
-	;;
-      *.c)
-	cfile=$1
-	set x "$@" "$1"
-	shift
-	;;
-      *)
-	set x "$@" "$1"
-	shift
-	;;
-    esac
-  fi
-  shift
-done
-
-if test -z "$ofile" || test -z "$cfile"; then
-  # If no `-o' option was seen then we might have been invoked from a
-  # pattern rule where we don't need one.  That is ok -- this is a
-  # normal compilation that the losing compiler can handle.  If no
-  # `.c' file was seen then we are probably linking.  That is also
-  # ok.
-  exec "$@"
-fi
-
-# Name of file we expect compiler to create.
-cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
-
-# Create the lock directory.
-# Note: use `[/.-]' here to ensure that we don't use the same name
-# that we are using for the .o file.  Also, base the name on the expected
-# object file name, since that is what matters with a parallel build.
-lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
-while true; do
-  if mkdir "$lockdir" >/dev/null 2>&1; then
-    break
-  fi
-  sleep 1
-done
-# FIXME: race condition here if user kills between mkdir and trap.
-trap "rmdir '$lockdir'; exit 1" 1 2 15
-
-# Run the compile.
-"$@"
-ret=$?
-
-if test -f "$cofile"; then
-  mv "$cofile" "$ofile"
-elif test -f "${cofile}bj"; then
-  mv "${cofile}bj" "$ofile"
-fi
-
-rmdir "$lockdir"
-exit $ret
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
-# End:
diff --git a/app/src/main/jni/pdnsd/config.h b/app/src/main/jni/pdnsd/config.h
deleted file mode 100644
index 2bfa268..0000000
--- a/app/src/main/jni/pdnsd/config.h
+++ /dev/null
@@ -1,437 +0,0 @@
-/* config.h.  Generated from config.h.in by configure.  */
-/* config.h.in.  Generated from configure.in by autoheader.  */
-#ifndef _CONFIG_H_
-#define _CONFIG_H_
-
-/* ONLY EDIT acconfig.h, NEVER config.h or config.h.in!
- * config.h MAY BE OVERWRITTEN BY make, config.h.in by autoheader! */
-
-/* Define your Target here. Currently defined are TARGET_LINUX (any
- * architecture), TARGET_BSD (experimental; tested on FreeBSD, hopefully
- * works for other BSD variants) and TARGET_CYGWIN. */
-#define TARGET TARGET_LINUX
-
-/* change the #undef to #define if you do not want to compile with special
- * ISDN support for Linux. Note that the ISDN support will not compile ok on
- * unpatched kernerls earlier than 2.2.12 (if you did apply newer isdn patches,
- * it may work fine). This is not on by default because it will cause compile
- * problems on some systems */
-/* #undef ISDN_SUPPORT */
-
-/* The following regulates the IP Protocol support. Supported types are IPv4
- * and IPv6 (aka IPng). You may enable either or both of these protocols.
- * Enabling in this context means that support for the respective protocol
- * will be in the binary. When running the binary, one of the protocols may
- * be activated via command line switches. Note that activating both IPv4 and
- * IPv6 is pointless (and will not work because two UDP and two TCP threads
- * will be started that concur for ports). Because of that, it is not allowed.
- * When pdnsd runs with IPv6 activated it should be able to service queries
- * from IPv6 as well as from IPv4 hosts, provided that you host is configured
- * properly.
- * For each of the protocols there are two options: ENABLE_IPV4 and ENABLE_IPV6
- * control whether support for the respective protocol is available in the
- * binary. DEFAULT_IPV4 selects which protocol is enabled on pdnsd
- * startup by default. 1 means IPv4, while 0 means IPv6. If support for
- * a protocol was included in the executable, you can specify command line
- * parameters to activate or deactivate that protocol (the options are -4 and
- * -6), but it makes more sense to use the run_ipv4=on/off option in the
- * configuration file.
- * Make your choice. Note that IPv6 support is experimental in pdnsd.
- * In normal operation, you will currently only need IPv4. */
-#define ENABLE_IPV4 1
-#define DEFAULT_IPV4 1
-#undef ENABLE_IPV6 
-
-/* In all pdnsd versions before 1.0.6, DNS queries were always done over
- * TCP. Now, you have the choice. You can control that behaviour using
- * the -m command line switch, and you can give a preset here. There
- * are 3 different modes:
- * UDP_ONLY: This is undoubtedly the fastest query method, because
- *       no TCP negotiation needs to be done.
- * TCP_ONLY: This is slower than uo, but generally more secure
- *       against DNS spoofing. Note that some name servers on the
- *       internet do not support TCP queries, notably dnscache.
- * TCP_UDP: TCP, then UDP. If the TCP query fails with a "connection refused"-
- *       error or times out, the query is retried using UDP.
- * UDP_TCP: UDP, then TCP. If the UDP reply is truncated (i.e. the tc flag is set),
- *       the query is retried using TCP. */
-#define M_PRESET TCP_ONLY
-
-/* In addition to choosing the presets, you may also completely disable
- * one of the protocols (TCP for preset UDP_ONLY and UDP for preset TCP_ONLY).
- * This saves some executable space. */
-/* #undef NO_UDP_QUERIES */
-/* #undef NO_TCP_QUERIES */
-
-/* With the following option, you can disable the TCP server functionality
- * of pdnsd. Nearly no program does TCP queries, so you probably can do
- * this safely and save some executable space and one thread.
- * You also can turn off the TCP server at runtime with the --notcp option. */
-/* #undef NO_TCP_SERVER */
-
-/* By undefining the following, you can disable the UDP source address
- * discovery code. This is not recommended, but you may need it when
- * running into compilation problems. */
-#define SRC_ADDR_DISC 1
-
-/* NO_POLL specifies not to use poll(2), but select(2) instead. If you are
- * unsure about what this means, just leave this as it is.*/
-/* #undef NO_POLL */
-
-/* Define this for "hard" RFC 2181 compliance: this RFC states that
- * implementations should discard answers whose RR sets have multiple
- * different time stamps. While correct answers are generated, incorrect
- * ones are normally tolerated and corrected. Full RFC compliance is
- * however only achieved by deactivating this behaviour and thus being
- * intolerant. */
-/* #undef RFC2181_ME_HARDER */
-
-/* Define this to the device you want to use for getting random numbers.
- * Leave this undefined if you wand to use the standard C library random
- * function, which basically should be sufficient.
- * Linux and FreeBSD have two random number devices: /dev/random and
- * /dev/urandom. /dev/urandom might be less secure in some cases, but
- * should still be more than sufficient. The use of /dev/random is
- * discouraged, as reading from this device blocks when new random bits
- * need to be gathered. */
-/* #undef RANDOM_DEVICE */
-#define R_DEFAULT 1
-/* #undef R_RANDOM */
-/* #undef R_ARC4RANDOM */
-/*#define RANDOM_DEVICE "/dev/urandom"*/
-
-/* Designate which database manager to use for cacheing.
- * default: native; others: gdbm */
-#define CACHE_DBM DBM_NATIVE
-
-#define CONFDIR "/data/data/net.typeblog.socks"
-
-#define CACHEDIR "/data/data/net.typeblog.socks"
-
-#define TEMPDIR "/data/data/net.typeblog.socks/cache";
-
-/* This is for various debugging facilities that produce debug output and
- * double-check some values. You can enable debug messages with the -g option.
- * Normally, you can switch this off safely by setting the number after DEBUG
- * to 0. This will increase speed (although only marginally), save space
- * in the executable (only about 12kB) and some stack space per thread
- * (which may be significant if you have many threads running simultaneously).
- * However, it may be an aid when debugging config files.
- * The only defined debug levels by now are in the range 0 - 9.
- * Define this to 9 if you want hex dumps of all the queries and replies pdnsd
- * receives (you must also call pdnsd with -v9 to actually see the hex dumps).
- * When in doubt, leave it defined to 1. */
-#define DEBUG 1
-
-/* This defines the default verbosity of informational messages you will get.
-   This has nothing to to with the debug option (-g), but may be set with -v
-   option. 0 is for normal operation, up to 3 for debugging.
-   Unlike the debug messages, these messages will also be written to the syslog.*/
-#define VERBOSITY 0
-
-/* Redefine this if you want another hash size.
- * The number of hash buckets is computed as power of two (1<<HASH_SZ);
- * so e.g. HASH_SZ set to 10 yields 1024 hash rows.
- * HASH_SZ may not be bigger than 32 (if you set it even close to that value,
- * you are nuts.) */
-#define HASH_SZ 10
-
-/* Set this to debug the hash tables. Turn this off normally, or you will get
- * flooded with diagnostic messages */
-/* #undef DEBUG_HASH */
-
-/* Define if you have working C99 Variadic macro support */
-#define CPP_C99_VARIADIC_MACROS 1
-
-/* Define as int if socklen_t typedef is missing */
-/* #undef socklen_t */
-
-/* Lock the UDP socket before using it? */
-/* #undef SOCKET_LOCKING */
-
-/* Default TCP timeout when receiving queries */
-#define TCP_TIMEOUT 5
-
-/* Allow subsequent TCP queries on one connection? */
-/* #undef TCP_SUBSEQ */
-
-/* Default value for parallel query number */
-#define PAR_QUERIES   4
-
-/* Maximum number of IP addresses used per nameserver obtained from NS records. */
-#define MAXNAMESERVIPS 3
-
-/* These are the possible targets. Normally no need to touch these
- * definitions. */
-#define TARGET_LINUX  0
-#define TARGET_BSD    1
-#define TARGET_CYGWIN 2
-
-/* Assume the Native POSIX Thread Library instead of LinuxThreads ? */
-#define THREADLIB_NPTL 1
-
-/* If we are using LinuxThreads, implement the fix needed for newer glibcs ? */
-/* #undef THREADLIB_LINUXTHREADS2 */
-
-/* The following is needed for using LinuxThreads. Better don't touch. */
-#define _REENTRANT 1
-#define _THREAD_SAFE 1
-
-/* It appears the newer versions of gcc won't convert a pointer to char into
-   a pointer to unsigned char and vice versa without complaining.
-   By using casts these warning messages can be suppressed, but at the cost
-   of losing some type safety.
-   Define charp and ucharp to be empty if you are a developer and find type
-   safety more important.
-   Leave the definitions unchanged to avoid distracting warning messages. */
-#define charp (char *)
-#define ucharp (unsigned char *)
-
-
-/* pdnsd version. DO NOT TOUCH THIS! It is replaced automatically by the
- * contents of ./version */
-#define VERSION "1.2.9a-par"
-
-#endif
-
-/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
-   systems. This function is required for `alloca.c' support on those systems.
-   */
-/* #undef CRAY_STACKSEG_END */
-
-/* Define to 1 if using `alloca.c'. */
-/* #undef C_ALLOCA */
-
-/* Define to 1 if you have `alloca', as a function or macro. */
-#define HAVE_ALLOCA 1
-
-/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
-   */
-#define HAVE_ALLOCA_H 1
-
-/* Define to 1 if you have the `asprintf' function. */
-#define HAVE_ASPRINTF 1
-
-/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
-/* #undef HAVE_DOPRNT */
-
-/* Define to 1 if you have the <fcntl.h> header file. */
-#define HAVE_FCNTL_H 1
-
-/* Define to 1 if you have the `getline' function. */
-#if defined(__aarch64__) || defined(__x86_64__)
-#define HAVE_GETLINE 1
-#endif
-
-/* Define to 1 if you have the `getpwnam_r' function. */
-//#define HAVE_GETPWNAM_R 1
-
-/* Define to 1 if you have the `gettimeofday' function. */
-#define HAVE_GETTIMEOFDAY 1
-
-/* Define to 1 if you have the `inet_ntop' function. */
-#define HAVE_INET_NTOP 1
-
-/* Define to 1 if you have the `inet_pton' function. */
-#define HAVE_INET_PTON 1
-
-/* Define to 1 if you have the <inttypes.h> header file. */
-#define HAVE_INTTYPES_H 1
-
-/* Define to 1 if you have the `pthread' library (-lpthread). */
-#define HAVE_LIBPTHREAD 1
-
-/* Define to 1 if you have the <malloc.h> header file. */
-#define HAVE_MALLOC_H 1
-
-/* Define to 1 if you have the <memory.h> header file. */
-#define HAVE_MEMORY_H 1
-
-/* Define to 1 if you have the `mempcpy' function. */
-//#define HAVE_MEMPCPY 1
-
-/* Define to 1 if you have the `mkfifo' function. */
-#define HAVE_MKFIFO 1
-
-/* Define to 1 if you have the `nanosleep' function. */
-#define HAVE_NANOSLEEP 1
-
-/* Define to 1 if you have the <netinet/in.h> header file. */
-#define HAVE_NETINET_IN_H 1
-
-/* Define to 1 if you have the <net/if.h> header file. */
-#define HAVE_NET_IF_H 1
-
-/* Define to 1 if you have the `poll' function. */
-#define HAVE_POLL 1
-
-/* Define to 1 if you have the `select' function. */
-#define HAVE_SELECT 1
-
-/* Define to 1 if you have the `snprintf' function. */
-#define HAVE_SNPRINTF 1
-
-/* Define to 1 if you have the `socket' function. */
-#define HAVE_SOCKET 1
-
-/* Define to 1 if the system has the type `socklen_t'. */
-#define HAVE_SOCKLEN_T 1
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#define HAVE_STDINT_H 1
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#define HAVE_STDLIB_H 1
-
-/* Define to 1 if you have the `stpcpy' function. */
-#if defined(__aarch64__) || defined(__x86_64__)
-#define HAVE_STPCPY 1
-#endif
-
-/* Define to 1 if you have the `stpncpy' function. */
-//#define HAVE_STPNCPY 1
-
-/* Define to 1 if you have the `strdup' function. */
-#define HAVE_STRDUP 1
-
-/* Define to 1 if you have the `strerror' function. */
-#define HAVE_STRERROR 1
-
-/* Define to 1 if you have the <strings.h> header file. */
-#define HAVE_STRINGS_H 1
-
-/* Define to 1 if you have the <string.h> header file. */
-#define HAVE_STRING_H 1
-
-/* Define to 1 if you have the `strlcpy' function. */
-/* #undef HAVE_STRLCPY */
-
-/* Define to 1 if you have the `strndup' function. */
-#define HAVE_STRNDUP 1
-
-/* Define to 1 if the system has the type `struct ifreq'. */
-#define HAVE_STRUCT_IFREQ 1
-
-/* Define to 1 if the system has the type `struct in6_addr'. */
-#define HAVE_STRUCT_IN6_ADDR 1
-
-/* Define to 1 if the system has the type `struct in_pktinfo'. */
-#define HAVE_STRUCT_IN_PKTINFO 1
-
-/* Define to 1 if you have the <syslog.h> header file. */
-#define HAVE_SYSLOG_H 1
-
-/* Define to 1 if you have the <sys/ioctl.h> header file. */
-#define HAVE_SYS_IOCTL_H 1
-
-/* Define to 1 if you have the <sys/poll.h> header file. */
-#define HAVE_SYS_POLL_H 1
-
-/* Define to 1 if you have the <sys/socket.h> header file. */
-#define HAVE_SYS_SOCKET_H 1
-
-/* Define to 1 if you have the <sys/stat.h> header file. */
-#define HAVE_SYS_STAT_H 1
-
-/* Define to 1 if you have the <sys/time.h> header file. */
-#define HAVE_SYS_TIME_H 1
-
-/* Define to 1 if you have the <sys/types.h> header file. */
-#define HAVE_SYS_TYPES_H 1
-
-/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
-#define HAVE_SYS_WAIT_H 1
-
-/* Define to 1 if you have the `uname' function. */
-#define HAVE_UNAME 1
-
-/* Define to 1 if you have the <unistd.h> header file. */
-#define HAVE_UNISTD_H 1
-
-/* Define to 1 if you have the `vasprintf' function. */
-#define HAVE_VASPRINTF 1
-
-/* Define to 1 if you have the `vprintf' function. */
-#define HAVE_VPRINTF 1
-
-/* Define to 1 if you have the `vsnprintf' function. */
-#define HAVE_VSNPRINTF 1
-
-/* Define to 1 if your C compiler doesn't accept -c and -o together. */
-/* #undef NO_MINUS_C_MINUS_O */
-
-/* Define to the address where bug reports for this package should be sent. */
-#define PACKAGE_BUGREPORT ""
-
-/* Define to the full name of this package. */
-#define PACKAGE_NAME ""
-
-/* Define to the full name and version of this package. */
-#define PACKAGE_STRING ""
-
-/* Define to the one symbol short name of this package. */
-#define PACKAGE_TARNAME ""
-
-/* Define to the version of this package. */
-#define PACKAGE_VERSION ""
-
-/* Define as the return type of signal handlers (`int' or `void'). */
-#define RETSIGTYPE void
-
-/* If using the C implementation of alloca, define if you know the
-   direction of stack growth for your system; otherwise it will be
-   automatically deduced at runtime.
-	STACK_DIRECTION > 0 => grows toward higher addresses
-	STACK_DIRECTION < 0 => grows toward lower addresses
-	STACK_DIRECTION = 0 => direction of growth unknown */
-/* #undef STACK_DIRECTION */
-
-/* Define to 1 if you have the ANSI C header files. */
-#define STDC_HEADERS 1
-
-/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
-#define TIME_WITH_SYS_TIME 1
-
-/* Define to 1 if your <sys/time.h> declares `struct tm'. */
-/* #undef TM_IN_SYS_TIME */
-
-/* Enable extensions on AIX 3, Interix.  */
-#ifndef _ALL_SOURCE
-# define _ALL_SOURCE 1
-#endif
-/* Enable GNU extensions on systems that have them.  */
-#ifndef _GNU_SOURCE
-# define _GNU_SOURCE 1
-#endif
-/* Enable threading extensions on Solaris.  */
-#ifndef _POSIX_PTHREAD_SEMANTICS
-# define _POSIX_PTHREAD_SEMANTICS 1
-#endif
-/* Enable extensions on HP NonStop.  */
-#ifndef _TANDEM_SOURCE
-# define _TANDEM_SOURCE 1
-#endif
-/* Enable general extensions on Solaris.  */
-#ifndef __EXTENSIONS__
-# define __EXTENSIONS__ 1
-#endif
-
-
-/* Define to 1 if on MINIX. */
-/* #undef _MINIX */
-
-/* Define to 2 if the system does not provide POSIX.1 features except with
-   this defined. */
-/* #undef _POSIX_1_SOURCE */
-
-/* Define to 1 if you need to in order for `stat' and other things to work. */
-/* #undef _POSIX_SOURCE */
-
-/* Define to empty if `const' does not conform to ANSI C. */
-/* #undef const */
-
-/* Define to `int' if <sys/types.h> does not define. */
-/* #undef pid_t */
-
-/* Define to `unsigned int' if <sys/types.h> does not define. */
-/* #undef size_t */
diff --git a/app/src/main/jni/pdnsd/config.h.in b/app/src/main/jni/pdnsd/config.h.in
deleted file mode 100644
index c4ac994..0000000
--- a/app/src/main/jni/pdnsd/config.h.in
+++ /dev/null
@@ -1,430 +0,0 @@
-/* config.h.in.  Generated from configure.in by autoheader.  */
-#ifndef _CONFIG_H_
-#define _CONFIG_H_
-
-/* ONLY EDIT acconfig.h, NEVER config.h or config.h.in!
- * config.h MAY BE OVERWRITTEN BY make, config.h.in by autoheader! */
-
-/* Define your Target here. Currently defined are TARGET_LINUX (any
- * architecture), TARGET_BSD (experimental; tested on FreeBSD, hopefully
- * works for other BSD variants) and TARGET_CYGWIN. */
-#define TARGET TARGET_LINUX
-
-/* change the #undef to #define if you do not want to compile with special
- * ISDN support for Linux. Note that the ISDN support will not compile ok on
- * unpatched kernerls earlier than 2.2.12 (if you did apply newer isdn patches,
- * it may work fine). This is not on by default because it will cause compile
- * problems on some systems */
-#undef ISDN_SUPPORT
-
-/* The following regulates the IP Protocol support. Supported types are IPv4
- * and IPv6 (aka IPng). You may enable either or both of these protocols.
- * Enabling in this context means that support for the respective protocol
- * will be in the binary. When running the binary, one of the protocols may
- * be activated via command line switches. Note that activating both IPv4 and
- * IPv6 is pointless (and will not work because two UDP and two TCP threads
- * will be started that concur for ports). Because of that, it is not allowed.
- * When pdnsd runs with IPv6 activated it should be able to service queries
- * from IPv6 as well as from IPv4 hosts, provided that you host is configured
- * properly.
- * For each of the protocols there are two options: ENABLE_IPV4 and ENABLE_IPV6
- * control whether support for the respective protocol is available in the
- * binary. DEFAULT_IPV4 selects which protocol is enabled on pdnsd
- * startup by default. 1 means IPv4, while 0 means IPv6. If support for
- * a protocol was included in the executable, you can specify command line
- * parameters to activate or deactivate that protocol (the options are -4 and
- * -6), but it makes more sense to use the run_ipv4=on/off option in the
- * configuration file.
- * Make your choice. Note that IPv6 support is experimental in pdnsd.
- * In normal operation, you will currently only need IPv4. */
-#undef ENABLE_IPV4
-#define DEFAULT_IPV4 1
-#undef ENABLE_IPV6
-
-/* In all pdnsd versions before 1.0.6, DNS queries were always done over
- * TCP. Now, you have the choice. You can control that behaviour using
- * the -m command line switch, and you can give a preset here. There
- * are 3 different modes:
- * UDP_ONLY: This is undoubtedly the fastest query method, because
- *       no TCP negotiation needs to be done.
- * TCP_ONLY: This is slower than uo, but generally more secure
- *       against DNS spoofing. Note that some name servers on the
- *       internet do not support TCP queries, notably dnscache.
- * TCP_UDP: TCP, then UDP. If the TCP query fails with a "connection refused"-
- *       error or times out, the query is retried using UDP.
- * UDP_TCP: UDP, then TCP. If the UDP reply is truncated (i.e. the tc flag is set),
- *       the query is retried using TCP. */
-#define M_PRESET UDP_ONLY
-
-/* In addition to choosing the presets, you may also completely disable
- * one of the protocols (TCP for preset UDP_ONLY and UDP for preset TCP_ONLY).
- * This saves some executable space. */
-#undef NO_UDP_QUERIES
-#undef NO_TCP_QUERIES
-
-/* With the following option, you can disable the TCP server functionality
- * of pdnsd. Nearly no program does TCP queries, so you probably can do
- * this safely and save some executable space and one thread.
- * You also can turn off the TCP server at runtime with the --notcp option. */
-#undef NO_TCP_SERVER
-
-/* By undefining the following, you can disable the UDP source address
- * discovery code. This is not recommended, but you may need it when
- * running into compilation problems. */
-#undef SRC_ADDR_DISC
-
-/* NO_POLL specifies not to use poll(2), but select(2) instead. If you are
- * unsure about what this means, just leave this as it is.*/
-#undef NO_POLL
-
-/* Define this for "hard" RFC 2181 compliance: this RFC states that
- * implementations should discard answers whose RR sets have multiple
- * different time stamps. While correct answers are generated, incorrect
- * ones are normally tolerated and corrected. Full RFC compliance is
- * however only achieved by deactivating this behaviour and thus being
- * intolerant. */
-#undef RFC2181_ME_HARDER
-
-/* Define this to the device you want to use for getting random numbers.
- * Leave this undefined if you wand to use the standard C library random
- * function, which basically should be sufficient.
- * Linux and FreeBSD have two random number devices: /dev/random and
- * /dev/urandom. /dev/urandom might be less secure in some cases, but
- * should still be more than sufficient. The use of /dev/random is
- * discouraged, as reading from this device blocks when new random bits
- * need to be gathered. */
-#undef RANDOM_DEVICE
-#undef R_DEFAULT
-#undef R_RANDOM
-#undef R_ARC4RANDOM
-/*#define RANDOM_DEVICE "/dev/urandom"*/
-
-/* Designate which database manager to use for cacheing.
- * default: native; others: gdbm */
-#define CACHE_DBM DBM_NATIVE
-
-#define CACHEDIR "/var/cache/pdnsd"
-
-#define TEMPDIR "/tmp";
-
-/* This is for various debugging facilities that produce debug output and
- * double-check some values. You can enable debug messages with the -g option.
- * Normally, you can switch this off safely by setting the number after DEBUG
- * to 0. This will increase speed (although only marginally), save space
- * in the executable (only about 12kB) and some stack space per thread
- * (which may be significant if you have many threads running simultaneously).
- * However, it may be an aid when debugging config files.
- * The only defined debug levels by now are in the range 0 - 9.
- * Define this to 9 if you want hex dumps of all the queries and replies pdnsd
- * receives (you must also call pdnsd with -v9 to actually see the hex dumps).
- * When in doubt, leave it defined to 1. */
-#define DEBUG 1
-
-/* This defines the default verbosity of informational messages you will get.
-   This has nothing to to with the debug option (-g), but may be set with -v
-   option. 0 is for normal operation, up to 3 for debugging.
-   Unlike the debug messages, these messages will also be written to the syslog.*/
-#define VERBOSITY 0
-
-/* Redefine this if you want another hash size.
- * The number of hash buckets is computed as power of two (1<<HASH_SZ);
- * so e.g. HASH_SZ set to 10 yields 1024 hash rows.
- * HASH_SZ may not be bigger than 32 (if you set it even close to that value,
- * you are nuts.) */
-#define HASH_SZ 10
-
-/* Set this to debug the hash tables. Turn this off normally, or you will get
- * flooded with diagnostic messages */
-#undef DEBUG_HASH
-
-/* Define if you have working C99 Variadic macro support */
-#undef CPP_C99_VARIADIC_MACROS
-
-/* Define as int if socklen_t typedef is missing */
-#undef socklen_t
-
-/* Lock the UDP socket before using it? */
-#undef SOCKET_LOCKING
-
-/* Default TCP timeout when receiving queries */
-#define TCP_TIMEOUT 30
-
-/* Allow subsequent TCP queries on one connection? */
-#undef TCP_SUBSEQ
-
-/* Default value for parallel query number */
-#define PAR_QUERIES   2
-
-/* Maximum number of IP addresses used per nameserver obtained from NS records. */
-#define MAXNAMESERVIPS 3
-
-/* These are the possible targets. Normally no need to touch these
- * definitions. */
-#define TARGET_LINUX  0
-#define TARGET_BSD    1
-#define TARGET_CYGWIN 2
-
-/* Assume the Native POSIX Thread Library instead of LinuxThreads ? */
-#undef THREADLIB_NPTL
-
-/* If we are using LinuxThreads, implement the fix needed for newer glibcs ? */
-#undef THREADLIB_LINUXTHREADS2
-
-/* The following is needed for using LinuxThreads. Better don't touch. */
-#define _REENTRANT 1
-#define _THREAD_SAFE 1
-
-/* It appears the newer versions of gcc won't convert a pointer to char into
-   a pointer to unsigned char and vice versa without complaining.
-   By using casts these warning messages can be suppressed, but at the cost
-   of losing some type safety.
-   Define charp and ucharp to be empty if you are a developer and find type
-   safety more important.
-   Leave the definitions unchanged to avoid distracting warning messages. */
-#define charp (char *)
-#define ucharp (unsigned char *)
-
-
-/* pdnsd version. DO NOT TOUCH THIS! It is replaced automatically by the
- * contents of ./version */
-#define VERSION "@VERSION@"
-
-#endif
-
-/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
-   systems. This function is required for `alloca.c' support on those systems.
-   */
-#undef CRAY_STACKSEG_END
-
-/* Define to 1 if using `alloca.c'. */
-#undef C_ALLOCA
-
-/* Define to 1 if you have `alloca', as a function or macro. */
-#undef HAVE_ALLOCA
-
-/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
-   */
-#undef HAVE_ALLOCA_H
-
-/* Define to 1 if you have the `asprintf' function. */
-#undef HAVE_ASPRINTF
-
-/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
-#undef HAVE_DOPRNT
-
-/* Define to 1 if you have the <fcntl.h> header file. */
-#undef HAVE_FCNTL_H
-
-/* Define to 1 if you have the `getline' function. */
-#undef HAVE_GETLINE
-
-/* Define to 1 if you have the `getpwnam_r' function. */
-#undef HAVE_GETPWNAM_R
-
-/* Define to 1 if you have the `gettimeofday' function. */
-#undef HAVE_GETTIMEOFDAY
-
-/* Define to 1 if you have the `inet_ntop' function. */
-#undef HAVE_INET_NTOP
-
-/* Define to 1 if you have the `inet_pton' function. */
-#undef HAVE_INET_PTON
-
-/* Define to 1 if you have the <inttypes.h> header file. */
-#undef HAVE_INTTYPES_H
-
-/* Define to 1 if you have the `pthread' library (-lpthread). */
-#undef HAVE_LIBPTHREAD
-
-/* Define to 1 if you have the <malloc.h> header file. */
-#undef HAVE_MALLOC_H
-
-/* Define to 1 if you have the <memory.h> header file. */
-#undef HAVE_MEMORY_H
-
-/* Define to 1 if you have the `mempcpy' function. */
-#undef HAVE_MEMPCPY
-
-/* Define to 1 if you have the `mkfifo' function. */
-#undef HAVE_MKFIFO
-
-/* Define to 1 if you have the `nanosleep' function. */
-#undef HAVE_NANOSLEEP
-
-/* Define to 1 if you have the <netinet/in.h> header file. */
-#undef HAVE_NETINET_IN_H
-
-/* Define to 1 if you have the <net/if.h> header file. */
-#undef HAVE_NET_IF_H
-
-/* Define to 1 if you have the `poll' function. */
-#undef HAVE_POLL
-
-/* Define to 1 if you have the `select' function. */
-#undef HAVE_SELECT
-
-/* Define to 1 if you have the `snprintf' function. */
-#undef HAVE_SNPRINTF
-
-/* Define to 1 if you have the `socket' function. */
-#undef HAVE_SOCKET
-
-/* Define to 1 if the system has the type `socklen_t'. */
-#undef HAVE_SOCKLEN_T
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#undef HAVE_STDINT_H
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#undef HAVE_STDLIB_H
-
-/* Define to 1 if you have the `stpcpy' function. */
-#undef HAVE_STPCPY
-
-/* Define to 1 if you have the `stpncpy' function. */
-#undef HAVE_STPNCPY
-
-/* Define to 1 if you have the `strdup' function. */
-#undef HAVE_STRDUP
-
-/* Define to 1 if you have the `strerror' function. */
-#undef HAVE_STRERROR
-
-/* Define to 1 if you have the <strings.h> header file. */
-#undef HAVE_STRINGS_H
-
-/* Define to 1 if you have the <string.h> header file. */
-#undef HAVE_STRING_H
-
-/* Define to 1 if you have the `strlcpy' function. */
-#undef HAVE_STRLCPY
-
-/* Define to 1 if you have the `strndup' function. */
-#undef HAVE_STRNDUP
-
-/* Define to 1 if the system has the type `struct ifreq'. */
-#undef HAVE_STRUCT_IFREQ
-
-/* Define to 1 if the system has the type `struct in6_addr'. */
-#undef HAVE_STRUCT_IN6_ADDR
-
-/* Define to 1 if the system has the type `struct in_pktinfo'. */
-#undef HAVE_STRUCT_IN_PKTINFO
-
-/* Define to 1 if you have the <syslog.h> header file. */
-#undef HAVE_SYSLOG_H
-
-/* Define to 1 if you have the <sys/ioctl.h> header file. */
-#undef HAVE_SYS_IOCTL_H
-
-/* Define to 1 if you have the <sys/poll.h> header file. */
-#undef HAVE_SYS_POLL_H
-
-/* Define to 1 if you have the <sys/socket.h> header file. */
-#undef HAVE_SYS_SOCKET_H
-
-/* Define to 1 if you have the <sys/stat.h> header file. */
-#undef HAVE_SYS_STAT_H
-
-/* Define to 1 if you have the <sys/time.h> header file. */
-#undef HAVE_SYS_TIME_H
-
-/* Define to 1 if you have the <sys/types.h> header file. */
-#undef HAVE_SYS_TYPES_H
-
-/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
-#undef HAVE_SYS_WAIT_H
-
-/* Define to 1 if you have the `uname' function. */
-#undef HAVE_UNAME
-
-/* Define to 1 if you have the <unistd.h> header file. */
-#undef HAVE_UNISTD_H
-
-/* Define to 1 if you have the `vasprintf' function. */
-#undef HAVE_VASPRINTF
-
-/* Define to 1 if you have the `vprintf' function. */
-#undef HAVE_VPRINTF
-
-/* Define to 1 if you have the `vsnprintf' function. */
-#undef HAVE_VSNPRINTF
-
-/* Define to 1 if your C compiler doesn't accept -c and -o together. */
-#undef NO_MINUS_C_MINUS_O
-
-/* Define to the address where bug reports for this package should be sent. */
-#undef PACKAGE_BUGREPORT
-
-/* Define to the full name of this package. */
-#undef PACKAGE_NAME
-
-/* Define to the full name and version of this package. */
-#undef PACKAGE_STRING
-
-/* Define to the one symbol short name of this package. */
-#undef PACKAGE_TARNAME
-
-/* Define to the version of this package. */
-#undef PACKAGE_VERSION
-
-/* Define as the return type of signal handlers (`int' or `void'). */
-#undef RETSIGTYPE
-
-/* If using the C implementation of alloca, define if you know the
-   direction of stack growth for your system; otherwise it will be
-   automatically deduced at runtime.
-	STACK_DIRECTION > 0 => grows toward higher addresses
-	STACK_DIRECTION < 0 => grows toward lower addresses
-	STACK_DIRECTION = 0 => direction of growth unknown */
-#undef STACK_DIRECTION
-
-/* Define to 1 if you have the ANSI C header files. */
-#undef STDC_HEADERS
-
-/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
-#undef TIME_WITH_SYS_TIME
-
-/* Define to 1 if your <sys/time.h> declares `struct tm'. */
-#undef TM_IN_SYS_TIME
-
-/* Enable extensions on AIX 3, Interix.  */
-#ifndef _ALL_SOURCE
-# undef _ALL_SOURCE
-#endif
-/* Enable GNU extensions on systems that have them.  */
-#ifndef _GNU_SOURCE
-# undef _GNU_SOURCE
-#endif
-/* Enable threading extensions on Solaris.  */
-#ifndef _POSIX_PTHREAD_SEMANTICS
-# undef _POSIX_PTHREAD_SEMANTICS
-#endif
-/* Enable extensions on HP NonStop.  */
-#ifndef _TANDEM_SOURCE
-# undef _TANDEM_SOURCE
-#endif
-/* Enable general extensions on Solaris.  */
-#ifndef __EXTENSIONS__
-# undef __EXTENSIONS__
-#endif
-
-
-/* Define to 1 if on MINIX. */
-#undef _MINIX
-
-/* Define to 2 if the system does not provide POSIX.1 features except with
-   this defined. */
-#undef _POSIX_1_SOURCE
-
-/* Define to 1 if you need to in order for `stat' and other things to work. */
-#undef _POSIX_SOURCE
-
-/* Define to empty if `const' does not conform to ANSI C. */
-#undef const
-
-/* Define to `int' if <sys/types.h> does not define. */
-#undef pid_t
-
-/* Define to `unsigned int' if <sys/types.h> does not define. */
-#undef size_t
diff --git a/app/src/main/jni/pdnsd/configure b/app/src/main/jni/pdnsd/configure
deleted file mode 100644
index a3b7822..0000000
--- a/app/src/main/jni/pdnsd/configure
+++ /dev/null
@@ -1,11389 +0,0 @@
-#! /bin/sh
-# Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.63.
-#
-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
-# This configure script is free software; the Free Software Foundation
-# gives unlimited permission to copy, distribute and modify it.
-## --------------------- ##
-## M4sh Initialization.  ##
-## --------------------- ##
-
-# Be more Bourne compatible
-DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
-  emulate sh
-  NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
-
-fi
-
-
-
-
-# PATH needs CR
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
-as_nl='
-'
-export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
-
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  PATH_SEPARATOR=:
-  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
-    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
-      PATH_SEPARATOR=';'
-  }
-fi
-
-# Support unset when possible.
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  as_unset=unset
-else
-  as_unset=false
-fi
-
-
-# IFS
-# We need space, tab and new line, in precisely that order.  Quoting is
-# there to prevent editors from complaining about space-tab.
-# (If _AS_PATH_WALK were called with IFS unset, it would disable word
-# splitting by setting IFS to empty value.)
-IFS=" ""	$as_nl"
-
-# Find who we are.  Look in the path if we contain no directory separator.
-case $0 in
-  *[\\/]* ) as_myself=$0 ;;
-  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
-IFS=$as_save_IFS
-
-     ;;
-esac
-# We did not find ourselves, most probably we were run as `sh COMMAND'
-# in which case we are not to be found in the path.
-if test "x$as_myself" = x; then
-  as_myself=$0
-fi
-if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  { (exit 1); exit 1; }
-fi
-
-# Work around bugs in pre-3.0 UWIN ksh.
-for as_var in ENV MAIL MAILPATH
-do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-done
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
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-  --enable-tcp-subseq         Enable multiple dns querys using one
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-  --with-thread-lib=lib       Specify thread library, overriding automatic detection (for Linux only).
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-ac_ext=c
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-{ $as_echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
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-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
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- GREP="$ac_cv_path_GREP"
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-
-{ $as_echo "$as_me:$LINENO: checking for egrep" >&5
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-  ac_count=0
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
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- EGREP="$ac_cv_path_EGREP"
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-{ $as_echo "$as_me:$LINENO: checking for ANSI C header files" >&5
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-  cat >conftest.$ac_ext <<_ACEOF
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-_ACEOF
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-int
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-{
-
-  ;
-  return 0;
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-_ACEOF
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-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
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-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
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-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
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-	ac_cv_header_stdc=no
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-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
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-/* end confdefs.h.  */
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-_ACEOF
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-if test $ac_cv_header_stdc = yes; then
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-/* confdefs.h.  */
-_ACEOF
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-/* end confdefs.h.  */
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-_ACEOF
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-fi
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-if test $ac_cv_header_stdc = yes; then
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-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
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-/* end confdefs.h.  */
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-# define ISLOWER(c) \
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-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
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-{
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-      return 2;
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-_ACEOF
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-( exit $ac_status )
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-fi
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
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-cat >>confdefs.h <<\_ACEOF
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-
-fi
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-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-
-
-
-
-
-
-
-
-
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
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-/* confdefs.h.  */
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-/* end confdefs.h.  */
-$ac_includes_default
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-#include <$ac_header>
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-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
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-sed 's/^/| /' conftest.$ac_ext >&5
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-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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-ac_res=`eval 'as_val=${'$as_ac_Header'}
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-as_val=`eval 'as_val=${'$as_ac_Header'}
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_minix_config_h" >&5
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-cat >conftest.$ac_ext <<_ACEOF
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-$ac_includes_default
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-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
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-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
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-# Is the header present?
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-cat >conftest.$ac_ext <<_ACEOF
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-  $as_echo "$as_me: failed program was:" >&5
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-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
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-    { $as_echo "$as_me:$LINENO: WARNING: minix/config.h: see the Autoconf documentation" >&5
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-$as_echo "$as_me: WARNING: minix/config.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: minix/config.h: proceeding with the preprocessor's result" >&5
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-    { $as_echo "$as_me:$LINENO: WARNING: minix/config.h: in the future, the compiler will take precedence" >&5
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-
-    ;;
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-{ $as_echo "$as_me:$LINENO: checking for minix/config.h" >&5
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_minix_config_h" >&5
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-
-fi
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-  MINIX=yes
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-  MINIX=
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-
-
-  if test "$MINIX" = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define _POSIX_SOURCE 1
-_ACEOF
-
-
-cat >>confdefs.h <<\_ACEOF
-#define _POSIX_1_SOURCE 2
-_ACEOF
-
-
-cat >>confdefs.h <<\_ACEOF
-#define _MINIX 1
-_ACEOF
-
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-
-
-
-  { $as_echo "$as_me:$LINENO: checking whether it is safe to define __EXTENSIONS__" >&5
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-cat >>conftest.$ac_ext <<_ACEOF
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-
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-{
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-  $as_echo "$as_me: failed program was:" >&5
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_safe_to_define___extensions__" >&5
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-    cat >>confdefs.h <<\_ACEOF
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-_ACEOF
-
-  cat >>confdefs.h <<\_ACEOF
-#define _ALL_SOURCE 1
-_ACEOF
-
-  cat >>confdefs.h <<\_ACEOF
-#define _GNU_SOURCE 1
-_ACEOF
-
-  cat >>confdefs.h <<\_ACEOF
-#define _POSIX_PTHREAD_SEMANTICS 1
-_ACEOF
-
-  cat >>confdefs.h <<\_ACEOF
-#define _TANDEM_SOURCE 1
-_ACEOF
-
-
-cat >>confdefs.h <<_ACEOF
-#define VERSION "$fullversion"
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-
-
-
-
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-
-
-
-
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-  withval=$with_target; target=$withval
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-
-case $target in
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-    cat >>confdefs.h <<\_ACEOF
-#define TARGET TARGET_LINUX
-_ACEOF
-
-    target="Linux"
-    ;;
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-    cat >>confdefs.h <<\_ACEOF
-#define TARGET TARGET_BSD
-_ACEOF
-
-    target="BSD"
-    ;;
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-    cat >>confdefs.h <<\_ACEOF
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-
-    target="cygwin"
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-  *)
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-   { (exit 1); exit 1; }; }
-    ;;
-esac
-
-
-# Check whether --with-cachedir was given.
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-  withval=$with_cachedir; cachedir=$withval
-fi
-
-cat >>confdefs.h <<_ACEOF
-#define CACHEDIR "$cachedir"
-_ACEOF
-
-
-
-# Check whether --enable-isdn was given.
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-  enableval=$enable_isdn; test $enableval = "yes" && cat >>confdefs.h <<\_ACEOF
-#define ISDN_SUPPORT 1
-_ACEOF
-
-fi
-
-
-# Check whether --enable-ipv4 was given.
-if test "${enable_ipv4+set}" = set; then
-  enableval=$enable_ipv4; have_ipv4=$enableval
-fi
-
-
-test $have_ipv4 = "yes" && cat >>confdefs.h <<\_ACEOF
-#define ENABLE_IPV4 1
-_ACEOF
-
-
-# Check whether --enable-ipv6 was given.
-if test "${enable_ipv6+set}" = set; then
-  enableval=$enable_ipv6;  if test $enableval = "yes" ; then
-    cat >>confdefs.h <<\_ACEOF
-#define ENABLE_IPV6 1
-_ACEOF
-
-    if test $have_ipv4 != "yes" ; then
-      ipv4_default=0
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-  fi
-fi
-
-
-# Check whether --enable-ipv4-startup was given.
-if test "${enable_ipv4_startup+set}" = set; then
-  enableval=$enable_ipv4_startup;  if test $enableval = "yes" ; then
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-  else
-    ipv4_default=0
-  fi
-fi
-
-
-# Check whether --enable-ipv6-startup was given.
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-  enableval=$enable_ipv6_startup;  if test $enableval = "yes" ; then
-    ipv4_default=0
-  else
-    ipv4_default=1
-  fi
-fi
-
-
-cat >>confdefs.h <<_ACEOF
-#define DEFAULT_IPV4 $ipv4_default
-_ACEOF
-
-
-# Check whether --enable-udp-queries was given.
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-  enableval=$enable_udp_queries; udp_queries=$enableval
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-
-
-# Check whether --enable-tcp-queries was given.
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-  enableval=$enable_tcp_queries; tcp_queries=$enableval
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-
-
-
-# Check whether --with-query-method was given.
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-
-case $query_m in
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-    cat >>confdefs.h <<\_ACEOF
-#define M_PRESET UDP_ONLY
-_ACEOF
-
-    udp_queries=yes;
-    ;;
-  tcponly|TCPonly)
-    cat >>confdefs.h <<\_ACEOF
-#define M_PRESET TCP_ONLY
-_ACEOF
-
-    tcp_queries=yes;
-    ;;
-  tcpudp|TCPUDP)
-    cat >>confdefs.h <<\_ACEOF
-#define M_PRESET TCP_UDP
-_ACEOF
-
-    udp_queries=yes;
-    tcp_queries=yes;
-    ;;
-  udptcp|UDPTCP)
-    cat >>confdefs.h <<\_ACEOF
-#define M_PRESET UDP_TCP
-_ACEOF
-
-    udp_queries=yes;
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-  *)
-    { { $as_echo "$as_me:$LINENO: error: --with-query-method must have udponly, tcponly, tcpudp or udptcp as parameter." >&5
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-   { (exit 1); exit 1; }; }
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-esac
-
-test $udp_queries != "yes" && cat >>confdefs.h <<\_ACEOF
-#define NO_UDP_QUERIES 1
-_ACEOF
-
-test $tcp_queries != "yes" && cat >>confdefs.h <<\_ACEOF
-#define NO_TCP_QUERIES 1
-_ACEOF
-
-
-# Check whether --enable-tcp-server was given.
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-
-
-test $have_tcp_server != "yes" && cat >>confdefs.h <<\_ACEOF
-#define NO_TCP_SERVER 1
-_ACEOF
-
-
-# Check whether --enable-src-addr-disc was given.
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-
-
-# Check whether --enable-socket-locking was given.
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-  enableval=$enable_socket_locking; slock=$enableval
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-
-
-test $slock = "yes" && cat >>confdefs.h <<\_ACEOF
-#define SOCKET_LOCKING 1
-_ACEOF
-
-
-# Check whether --enable-poll was given.
-if test "${enable_poll+set}" = set; then
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-#define NO_POLL 1
-_ACEOF
-
-fi
-
-
-# Check whether --enable-new-rrs was given.
-if test "${enable_new_rrs+set}" = set; then
-  enableval=$enable_new_rrs; newrrs=$enableval
-fi
-
-
-# Check whether --enable-strict-rfc2181 was given.
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-#define RFC2181_ME_HARDER 1
-_ACEOF
-
-fi
-
-
-
-# Check whether --with-random-device was given.
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-
-
-if test "$randomdev" = arc4random ; then
-	cat >>confdefs.h <<\_ACEOF
-#define R_ARC4RANDOM 1
-_ACEOF
-
-elif test "$randomdev" = random ; then
-	cat >>confdefs.h <<\_ACEOF
-#define R_RANDOM 1
-_ACEOF
-
-elif test "$randomdev" = default ; then
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-#define R_DEFAULT 1
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-
-else
-	cat >>confdefs.h <<_ACEOF
-#define RANDOM_DEVICE "$randomdev"
-_ACEOF
-
-fi
-
-# Check whether --enable-underscores was given.
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-  enableval=$enable_underscores; underscores=$enableval
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-
-
-
-# Check whether --with-default-id was given.
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-
-
-
-
-# Check whether --with-debug was given.
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-#define DEBUG $withval
-_ACEOF
-
-fi
-
-
-
-# Check whether --with-verbosity was given.
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-  withval=$with_verbosity; cat >>confdefs.h <<_ACEOF
-#define VERBOSITY $withval
-_ACEOF
-
-fi
-
-
-
-# Check whether --with-hash-buckets was given.
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-
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-  do
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-_ACEOF
-
-
-fi
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-
-# Check whether --enable-hash-debug was given.
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-#define DEBUG_HASH 1
-_ACEOF
-
-fi
-
-
-# Check whether --enable-rcsids was given.
-if test "${enable_rcsids+set}" = set; then
-  enableval=$enable_rcsids; have_rcsids=$enableval
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-
-
-
-# Check whether --with-tcp-qtimeout was given.
-if test "${with_tcp_qtimeout+set}" = set; then
-  withval=$with_tcp_qtimeout; cat >>confdefs.h <<_ACEOF
-#define TCP_TIMEOUT $withval
-_ACEOF
-
-fi
-
-
-# Check whether --enable-tcp-subseq was given.
-if test "${enable_tcp_subseq+set}" = set; then
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-#define TCP_SUBSEQ 1
-_ACEOF
-
-fi
-
-
-
-# Check whether --with-par-queries was given.
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-_ACEOF
-
-fi
-
-
-
-# Check whether --with-max-nameserver-ips was given.
-if test "${with_max_nameserver_ips+set}" = set; then
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-#define MAXNAMESERVIPS $withval
-_ACEOF
-
-fi
-
-
-# Check whether --enable-specbuild was given.
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-
-
-
-
-
-# Check whether --with-thread-lib was given.
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-
-
-
-
-ac_ext=c
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-
-
-fi
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-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
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-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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-
-fi
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-$as_echo "no" >&6; }
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-
-  if test "x$ac_ct_CC" = x; then
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-yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
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-esac
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-  CC="$ac_cv_prog_CC"
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-
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-    break 2
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-
-fi
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-$as_echo "$CC" >&6; }
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-$as_echo "no" >&6; }
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-
-
-  fi
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-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
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-    break 2
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-CC=$ac_cv_prog_CC
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-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
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-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
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-
-
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-
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-
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-{ (ac_try="$ac_compiler --version >&5"
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-{ (ac_try="$ac_compiler -V >&5"
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-int
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-{
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-
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-  $as_echo "$as_me: failed program was:" >&5
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-
-	ac_compiler_gnu=no
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-
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-
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
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-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-int
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-{
-
-  ;
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-_ACEOF
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-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
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-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
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-  $as_echo "$as_me: failed program was:" >&5
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-
-	CFLAGS=""
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
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-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
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-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
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-  (eval "$ac_compile") 2>conftest.er1
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-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
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-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_c_werror_flag=$ac_save_c_werror_flag
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-	 cat >conftest.$ac_ext <<_ACEOF
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-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
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-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
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-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-   ac_c_werror_flag=$ac_save_c_werror_flag
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
-$as_echo "$ac_cv_prog_cc_g" >&6; }
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-  CFLAGS=$ac_save_CFLAGS
-elif test $ac_cv_prog_cc_g = yes; then
-  if test "$GCC" = yes; then
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-  if test "$GCC" = yes; then
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-    CFLAGS=
-  fi
-fi
-{ $as_echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
-$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
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-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
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-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
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-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
-     char **p;
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-{
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-{
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-
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-   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
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-   that's true only with -std.  */
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-
-/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
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-
-int test (int i, double x);
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-int argc;
-char **argv;
-int
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-{
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-  $as_echo "$as_me: failed program was:" >&5
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-
-
-fi
-
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-fi
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-
-
-ac_ext=c
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-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-depcc="$CC"   am_compiler_list=
-
-{ $as_echo "$as_me:$LINENO: checking dependency style of $depcc" >&5
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-  $as_echo_n "(cached) " >&6
-else
-  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
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-  # making bogus files that we don't know about and never remove.  For
-  # instance it was reported that on HP-UX the gcc test will end up
-  # making a dummy file named `D' -- because `-MD' means `put the output
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-  # Copy depcomp to subdir because otherwise we won't find it if we're
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-  # side effect of compilation, but ICC will put the dependencies in
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-
-  am_cv_CC_dependencies_compiler_type=none
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-  fi
-  am__universal=false
-  case " $depcc " in #(
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-     esac
-
-  for depmode in $am_compiler_list; do
-    # Setup a source with many dependencies, because some compilers
-    # like to wrap large dependency lists on column 80 (with \), and
-    # we should not choose a depcomp mode which is confused by this.
-    #
-    # We need to recreate these files for each test, as the compiler may
-    # overwrite some of them when testing with obscure command lines.
-    # This happens at least with the AIX C compiler.
-    : > sub/conftest.c
-    for i in 1 2 3 4 5 6; do
-      echo '#include "conftst'$i'.h"' >> sub/conftest.c
-      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
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-    done
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-
-    # We check with `-c' and `-o' for the sake of the "dashmstdout"
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-      # after this tag, mechanisms are not by side-effect, so they'll
-      # only be used when explicitly requested
-      if test "x$enable_dependency_tracking" = xyes; then
-	continue
-      else
-	break
-      fi
-      ;;
-    msvisualcpp | msvcmsys)
-      # This compiler won't grok `-c -o', but also, the minuso test has
-      # not run yet.  These depmodes are late enough in the game, and
-      # so weak that their functioning should not be impacted.
-      am__obj=conftest.${OBJEXT-o}
-      am__minus_obj=
-      ;;
-    none) break ;;
-    esac
-    if depmode=$depmode \
-       source=sub/conftest.c object=$am__obj \
-       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
-       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
-         >/dev/null 2>conftest.err &&
-       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
-       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
-       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
-       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
-      # icc doesn't choke on unknown options, it will just issue warnings
-      # or remarks (even with -Werror).  So we grep stderr for any message
-      # that says an option was ignored or not supported.
-      # When given -MP, icc 7.0 and 7.1 complain thusly:
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-      # The diagnosis changed in icc 8.0:
-      #   icc: Command line remark: option '-MP' not supported
-      if (grep 'ignoring option' conftest.err ||
-          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
-        am_cv_CC_dependencies_compiler_type=$depmode
-        break
-      fi
-    fi
-  done
-
-  cd ..
-  rm -rf conftest.dir
-else
-  am_cv_CC_dependencies_compiler_type=none
-fi
-
-fi
-{ $as_echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5
-$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
-CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
-
- if
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-  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
-  am__fastdepCC_TRUE=
-  am__fastdepCC_FALSE='#'
-else
-  am__fastdepCC_TRUE='#'
-  am__fastdepCC_FALSE=
-fi
-
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
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-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
-set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
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-  if test -n "$CC"; then
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-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
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-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
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-IFS=$as_save_IFS
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-CC=$ac_cv_prog_CC
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-$as_echo "$CC" >&6; }
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-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_CC"; then
-  ac_ct_CC=$CC
-  # Extract the first word of "gcc", so it can be a program name with args.
-set dummy gcc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
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-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
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-    ac_cv_prog_ac_ct_CC="gcc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
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-done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
-else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_CC" = x; then
-    CC=""
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    CC=$ac_ct_CC
-  fi
-else
-  CC="$ac_cv_prog_CC"
-fi
-
-if test -z "$CC"; then
-          if test -n "$ac_tool_prefix"; then
-    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
-set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
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-    ac_cv_prog_CC="${ac_tool_prefix}cc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  fi
-fi
-if test -z "$CC"; then
-  # Extract the first word of "cc", so it can be a program name with args.
-set dummy cc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-  ac_prog_rejected=no
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
-       ac_prog_rejected=yes
-       continue
-     fi
-    ac_cv_prog_CC="cc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-IFS=$as_save_IFS
-
-if test $ac_prog_rejected = yes; then
-  # We found a bogon in the path, so make sure we never use it.
-  set dummy $ac_cv_prog_CC
-  shift
-  if test $# != 0; then
-    # We chose a different compiler from the bogus one.
-    # However, it has the same basename, so the bogon will be chosen
-    # first if we set CC to just the basename; use the full file name.
-    shift
-    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
-  fi
-fi
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
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-$as_echo "$CC" >&6; }
-else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$CC"; then
-  if test -n "$ac_tool_prefix"; then
-  for ac_prog in cl.exe
-  do
-    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
-set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
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-    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
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-$as_echo "$CC" >&6; }
-else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-    test -n "$CC" && break
-  done
-fi
-if test -z "$CC"; then
-  ac_ct_CC=$CC
-  for ac_prog in cl.exe
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
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-    ac_cv_prog_ac_ct_CC="$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
-else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  test -n "$ac_ct_CC" && break
-done
-
-  if test "x$ac_ct_CC" = x; then
-    CC=""
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    CC=$ac_ct_CC
-  fi
-fi
-
-fi
-
-
-test -z "$CC" && { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
-
-# Provide some information about the compiler.
-$as_echo "$as_me:$LINENO: checking for C compiler version" >&5
-set X $ac_compile
-ac_compiler=$2
-{ (ac_try="$ac_compiler --version >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compiler --version >&5") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (ac_try="$ac_compiler -v >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compiler -v >&5") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (ac_try="$ac_compiler -V >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
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-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compiler -V >&5") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-
-{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
-$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-int
-main ()
-{
-#ifndef __GNUC__
-       choke me
-#endif
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_compiler_gnu=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_compiler_gnu=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-ac_cv_c_compiler_gnu=$ac_compiler_gnu
-
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
-$as_echo "$ac_cv_c_compiler_gnu" >&6; }
-if test $ac_compiler_gnu = yes; then
-  GCC=yes
-else
-  GCC=
-fi
-ac_test_CFLAGS=${CFLAGS+set}
-ac_save_CFLAGS=$CFLAGS
-{ $as_echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
-$as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_save_c_werror_flag=$ac_c_werror_flag
-   ac_c_werror_flag=yes
-   ac_cv_prog_cc_g=no
-   CFLAGS="-g"
-   cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_prog_cc_g=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	CFLAGS=""
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
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-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_c_werror_flag=$ac_save_c_werror_flag
-	 CFLAGS="-g"
-	 cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_prog_cc_g=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-   ac_c_werror_flag=$ac_save_c_werror_flag
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
-$as_echo "$ac_cv_prog_cc_g" >&6; }
-if test "$ac_test_CFLAGS" = set; then
-  CFLAGS=$ac_save_CFLAGS
-elif test $ac_cv_prog_cc_g = yes; then
-  if test "$GCC" = yes; then
-    CFLAGS="-g -O2"
-  else
-    CFLAGS="-g"
-  fi
-else
-  if test "$GCC" = yes; then
-    CFLAGS="-O2"
-  else
-    CFLAGS=
-  fi
-fi
-{ $as_echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
-$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_prog_cc_c89=no
-ac_save_CC=$CC
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdarg.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
-struct buf { int x; };
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
-     char **p;
-     int i;
-{
-  return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
-  char *s;
-  va_list v;
-  va_start (v,p);
-  s = g (p, va_arg (v,int));
-  va_end (v);
-  return s;
-}
-
-/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
-   function prototypes and stuff, but not '\xHH' hex character constants.
-   These don't provoke an error unfortunately, instead are silently treated
-   as 'x'.  The following induces an error, until -std is added to get
-   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
-   array size at least.  It's necessary to write '\x00'==0 to get something
-   that's true only with -std.  */
-int osf4_cc_array ['\x00' == 0 ? 1 : -1];
-
-/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
-   inside strings and character constants.  */
-#define FOO(x) 'x'
-int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
-
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
-int argc;
-char **argv;
-int
-main ()
-{
-return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
-  ;
-  return 0;
-}
-_ACEOF
-for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
-	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
-do
-  CC="$ac_save_CC $ac_arg"
-  rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_prog_cc_c89=$ac_arg
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext
-  test "x$ac_cv_prog_cc_c89" != "xno" && break
-done
-rm -f conftest.$ac_ext
-CC=$ac_save_CC
-
-fi
-# AC_CACHE_VAL
-case "x$ac_cv_prog_cc_c89" in
-  x)
-    { $as_echo "$as_me:$LINENO: result: none needed" >&5
-$as_echo "none needed" >&6; } ;;
-  xno)
-    { $as_echo "$as_me:$LINENO: result: unsupported" >&5
-$as_echo "unsupported" >&6; } ;;
-  *)
-    CC="$CC $ac_cv_prog_cc_c89"
-    { $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
-$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
-esac
-
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-depcc="$CC"   am_compiler_list=
-
-{ $as_echo "$as_me:$LINENO: checking dependency style of $depcc" >&5
-$as_echo_n "checking dependency style of $depcc... " >&6; }
-if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
-  # We make a subdir and do the tests there.  Otherwise we can end up
-  # making bogus files that we don't know about and never remove.  For
-  # instance it was reported that on HP-UX the gcc test will end up
-  # making a dummy file named `D' -- because `-MD' means `put the output
-  # in D'.
-  mkdir conftest.dir
-  # Copy depcomp to subdir because otherwise we won't find it if we're
-  # using a relative directory.
-  cp "$am_depcomp" conftest.dir
-  cd conftest.dir
-  # We will build objects and dependencies in a subdirectory because
-  # it helps to detect inapplicable dependency modes.  For instance
-  # both Tru64's cc and ICC support -MD to output dependencies as a
-  # side effect of compilation, but ICC will put the dependencies in
-  # the current directory while Tru64 will put them in the object
-  # directory.
-  mkdir sub
-
-  am_cv_CC_dependencies_compiler_type=none
-  if test "$am_compiler_list" = ""; then
-     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
-  fi
-  am__universal=false
-  case " $depcc " in #(
-     *\ -arch\ *\ -arch\ *) am__universal=true ;;
-     esac
-
-  for depmode in $am_compiler_list; do
-    # Setup a source with many dependencies, because some compilers
-    # like to wrap large dependency lists on column 80 (with \), and
-    # we should not choose a depcomp mode which is confused by this.
-    #
-    # We need to recreate these files for each test, as the compiler may
-    # overwrite some of them when testing with obscure command lines.
-    # This happens at least with the AIX C compiler.
-    : > sub/conftest.c
-    for i in 1 2 3 4 5 6; do
-      echo '#include "conftst'$i'.h"' >> sub/conftest.c
-      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
-      # Solaris 8's {/usr,}/bin/sh.
-      touch sub/conftst$i.h
-    done
-    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
-
-    # We check with `-c' and `-o' for the sake of the "dashmstdout"
-    # mode.  It turns out that the SunPro C++ compiler does not properly
-    # handle `-M -o', and we need to detect this.  Also, some Intel
-    # versions had trouble with output in subdirs
-    am__obj=sub/conftest.${OBJEXT-o}
-    am__minus_obj="-o $am__obj"
-    case $depmode in
-    gcc)
-      # This depmode causes a compiler race in universal mode.
-      test "$am__universal" = false || continue
-      ;;
-    nosideeffect)
-      # after this tag, mechanisms are not by side-effect, so they'll
-      # only be used when explicitly requested
-      if test "x$enable_dependency_tracking" = xyes; then
-	continue
-      else
-	break
-      fi
-      ;;
-    msvisualcpp | msvcmsys)
-      # This compiler won't grok `-c -o', but also, the minuso test has
-      # not run yet.  These depmodes are late enough in the game, and
-      # so weak that their functioning should not be impacted.
-      am__obj=conftest.${OBJEXT-o}
-      am__minus_obj=
-      ;;
-    none) break ;;
-    esac
-    if depmode=$depmode \
-       source=sub/conftest.c object=$am__obj \
-       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
-       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
-         >/dev/null 2>conftest.err &&
-       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
-       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
-       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
-       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
-      # icc doesn't choke on unknown options, it will just issue warnings
-      # or remarks (even with -Werror).  So we grep stderr for any message
-      # that says an option was ignored or not supported.
-      # When given -MP, icc 7.0 and 7.1 complain thusly:
-      #   icc: Command line warning: ignoring option '-M'; no argument required
-      # The diagnosis changed in icc 8.0:
-      #   icc: Command line remark: option '-MP' not supported
-      if (grep 'ignoring option' conftest.err ||
-          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
-        am_cv_CC_dependencies_compiler_type=$depmode
-        break
-      fi
-    fi
-  done
-
-  cd ..
-  rm -rf conftest.dir
-else
-  am_cv_CC_dependencies_compiler_type=none
-fi
-
-fi
-{ $as_echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5
-$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
-CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
-
- if
-  test "x$enable_dependency_tracking" != xno \
-  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
-  am__fastdepCC_TRUE=
-  am__fastdepCC_FALSE='#'
-else
-  am__fastdepCC_TRUE='#'
-  am__fastdepCC_FALSE=
-fi
-
-
-
-am_cv_prog_cc_stdc=$ac_cv_prog_cc_stdc
-
-if test "x$CC" != xcc; then
-  { $as_echo "$as_me:$LINENO: checking whether $CC and cc understand -c and -o together" >&5
-$as_echo_n "checking whether $CC and cc understand -c and -o together... " >&6; }
-else
-  { $as_echo "$as_me:$LINENO: checking whether cc understands -c and -o together" >&5
-$as_echo_n "checking whether cc understands -c and -o together... " >&6; }
-fi
-set dummy $CC; ac_cc=`$as_echo "$2" |
-		      sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
-if { as_var=ac_cv_prog_cc_${ac_cc}_c_o; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-# Make sure it works both with $CC and with simple cc.
-# We do the test twice because some compilers refuse to overwrite an
-# existing .o file with -o, though they will create one.
-ac_try='$CC -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
-rm -f conftest2.*
-if { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-   test -f conftest2.$ac_objext && { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); };
-then
-  eval ac_cv_prog_cc_${ac_cc}_c_o=yes
-  if test "x$CC" != xcc; then
-    # Test first that cc exists at all.
-    if { ac_try='cc -c conftest.$ac_ext >&5'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-      ac_try='cc -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
-      rm -f conftest2.*
-      if { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 test -f conftest2.$ac_objext && { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); };
-      then
-	# cc works too.
-	:
-      else
-	# cc exists but doesn't like -o.
-	eval ac_cv_prog_cc_${ac_cc}_c_o=no
-      fi
-    fi
-  fi
-else
-  eval ac_cv_prog_cc_${ac_cc}_c_o=no
-fi
-rm -f core conftest*
-
-fi
-if eval test \$ac_cv_prog_cc_${ac_cc}_c_o = yes; then
-  { $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define NO_MINUS_C_MINUS_O 1
-_ACEOF
-
-fi
-
-# FIXME: we rely on the cache variable name because
-# there is no other way.
-set dummy $CC
-am_cc=`echo $2 | sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
-eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
-if test "$am_t" != yes; then
-   # Losing compiler, so override with the script.
-   # FIXME: It is wrong to rewrite CC.
-   # But if we don't then we get into trouble of one sort or another.
-   # A longer-term fix would be to have automake use am__CC in this case,
-   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
-   CC="$am_aux_dir/compile $CC"
-fi
-
-
-# Find a good install program.  We prefer a C program (faster),
-# so one script is as good as another.  But avoid the broken or
-# incompatible versions:
-# SysV /etc/install, /usr/sbin/install
-# SunOS /usr/etc/install
-# IRIX /sbin/install
-# AIX /bin/install
-# AmigaOS /C/install, which installs bootblocks on floppy discs
-# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
-# AFS /usr/afsws/bin/install, which mishandles nonexistent args
-# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
-# OS/2's system install, which has a completely different semantic
-# ./install, which can be erroneously created by make from ./install.sh.
-# Reject install programs that cannot install multiple files.
-{ $as_echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
-$as_echo_n "checking for a BSD-compatible install... " >&6; }
-if test -z "$INSTALL"; then
-if test "${ac_cv_path_install+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  # Account for people who put trailing slashes in PATH elements.
-case $as_dir/ in
-  ./ | .// | /cC/* | \
-  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
-  ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
-  /usr/ucb/* ) ;;
-  *)
-    # OSF1 and SCO ODT 3.0 have their own names for install.
-    # Don't use installbsd from OSF since it installs stuff as root
-    # by default.
-    for ac_prog in ginstall scoinst install; do
-      for ac_exec_ext in '' $ac_executable_extensions; do
-	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
-	  if test $ac_prog = install &&
-	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
-	    # AIX install.  It has an incompatible calling convention.
-	    :
-	  elif test $ac_prog = install &&
-	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
-	    # program-specific install script used by HP pwplus--don't use.
-	    :
-	  else
-	    rm -rf conftest.one conftest.two conftest.dir
-	    echo one > conftest.one
-	    echo two > conftest.two
-	    mkdir conftest.dir
-	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
-	      test -s conftest.one && test -s conftest.two &&
-	      test -s conftest.dir/conftest.one &&
-	      test -s conftest.dir/conftest.two
-	    then
-	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
-	      break 3
-	    fi
-	  fi
-	fi
-      done
-    done
-    ;;
-esac
-
-done
-IFS=$as_save_IFS
-
-rm -rf conftest.one conftest.two conftest.dir
-
-fi
-  if test "${ac_cv_path_install+set}" = set; then
-    INSTALL=$ac_cv_path_install
-  else
-    # As a last resort, use the slow shell script.  Don't cache a
-    # value for INSTALL within a source directory, because that will
-    # break other packages using the cache if that directory is
-    # removed, or if the value is a relative name.
-    INSTALL=$ac_install_sh
-  fi
-fi
-{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5
-$as_echo "$INSTALL" >&6; }
-
-# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
-# It thinks the first close brace ends the variable substitution.
-test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
-
-test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
-
-test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
-
-
-if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
-set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_RANLIB+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$RANLIB"; then
-  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-RANLIB=$ac_cv_prog_RANLIB
-if test -n "$RANLIB"; then
-  { $as_echo "$as_me:$LINENO: result: $RANLIB" >&5
-$as_echo "$RANLIB" >&6; }
-else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_RANLIB"; then
-  ac_ct_RANLIB=$RANLIB
-  # Extract the first word of "ranlib", so it can be a program name with args.
-set dummy ranlib; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_RANLIB"; then
-  ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_ac_ct_RANLIB="ranlib"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
-if test -n "$ac_ct_RANLIB"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
-$as_echo "$ac_ct_RANLIB" >&6; }
-else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_RANLIB" = x; then
-    RANLIB=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    RANLIB=$ac_ct_RANLIB
-  fi
-else
-  RANLIB="$ac_cv_prog_RANLIB"
-fi
-
-
-if test "$target" = "autodetect" ; then
-  { $as_echo "$as_me:$LINENO: checking for autodetect build target" >&5
-$as_echo_n "checking for autodetect build target... " >&6; }
-  uname_sys=`uname`
-  if test $? -ne 0 ; then
-    { $as_echo "$as_me:$LINENO: result: failed" >&5
-$as_echo "failed" >&6; }
-    { { $as_echo "$as_me:$LINENO: error: uname failed or was not found in path" >&5
-$as_echo "$as_me: error: uname failed or was not found in path" >&2;}
-   { (exit 1); exit 1; }; }
-  else
-    case "${uname_sys}" in
-    Linux)
-      { $as_echo "$as_me:$LINENO: result: Linux" >&5
-$as_echo "Linux" >&6; }
-      cat >>confdefs.h <<\_ACEOF
-#define TARGET TARGET_LINUX
-_ACEOF
-
-      target="Linux"
-      ;;
-    FreeBSD|NetBSD|OpenBSD|Darwin)
-      { $as_echo "$as_me:$LINENO: result: \"${uname_sys}\"" >&5
-$as_echo "\"${uname_sys}\"" >&6; }
-      cat >>confdefs.h <<\_ACEOF
-#define TARGET TARGET_BSD
-_ACEOF
-
-      target="BSD"
-      ;;
-    CYGWIN*)
-      { $as_echo "$as_me:$LINENO: result: \"${uname_sys}\"" >&5
-$as_echo "\"${uname_sys}\"" >&6; }
-      cat >>confdefs.h <<\_ACEOF
-#define TARGET TARGET_CYGWIN
-_ACEOF
-
-      target="cygwin"
-      ;;
-    *)
-      { $as_echo "$as_me:$LINENO: result: failed" >&5
-$as_echo "failed" >&6; }
-      { { $as_echo "$as_me:$LINENO: error: Your system type could not be identified. Try setting it manually using
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-$as_echo "$as_me: error: Your system type could not be identified. Try setting it manually using
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-   { (exit 1); exit 1; }; }
-      ;;
-    esac
-  fi
-fi
-
-#if test "$target" = BSD ; then
-#  uname_sys=`uname`
-#  if test "$uname_sys" = FreeBSD ; then
-#    AC_MSG_CHECKING([for FreeBSD version])
-#    osrel=`sysctl -n kern.osreldate`
-#    if test $osrel -ge 500016 ; then
-#      AC_MSG_RESULT([5.0 (>= 500016)])
-#      freebsd_pthread="5"
-#    else
-#      AC_MSG_RESULT([<=5.0 (< 500016)])
-#      freebsd_pthread="4"
-#    fi
-#  fi
-#fi
-
-if test "$adisc" = "default"; then
-  if test "$target" = "cygwin" ; then
-# Don't do UDP source address discovery on Cygwin platform by default.
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-  else
-    adisc="yes"
-  fi
-fi
-
-test "$adisc" = "yes" && cat >>confdefs.h <<\_ACEOF
-#define SRC_ADDR_DISC 1
-_ACEOF
-
-
-
-if test "$target" = "Linux"; then
-{ $as_echo "$as_me:$LINENO: checking if we can compile and link with -pthread" >&5
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-CFLAGS="$CFLAGS -pthread"
-cat >conftest.$ac_ext <<_ACEOF
-
-#include <pthread.h>
-
-void *thread_func(void *data)
-{
-	*((int *)data)=1;
-	return data;
-}
-
-int main()
-{
-	pthread_t thread;
-	void *retval;
-	int val;
-
-	if(pthread_create(&thread, NULL, thread_func, &val))
-		return 1;
-
-	if(pthread_join(thread,&retval))
-		return 1;
-
-	return (*((int *)retval)!=1);
-}
-
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
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-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
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-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
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-	gcc_pthread_flag="no"
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-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
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-CFLAGS="$old_CFLAGS"
-{ $as_echo "$as_me:$LINENO: result: $gcc_pthread_flag" >&5
-$as_echo "$gcc_pthread_flag" >&6; }
-
-  if test "$gcc_pthread_flag" = yes ; then
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-
-  else
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-{ $as_echo "$as_me:$LINENO: checking for pthread_create in -lpthread" >&5
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-if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lpthread  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char pthread_create ();
-int
-main ()
-{
-return pthread_create ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
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-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_lib_pthread_pthread_create=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_pthread_pthread_create=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_pthread_pthread_create" >&5
-$as_echo "$ac_cv_lib_pthread_pthread_create" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_create" = x""yes; then
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBPTHREAD 1
-_ACEOF
-
-  LIBS="-lpthread $LIBS"
-
-fi
-
-  fi
-fi
-if test "$target" = "BSD" -a `uname` != Darwin ; then
-#  if test $freebsd_pthread = 4 ; then
-    thread_CFLAGS="-pthread"
-
-#  else
-#    AC_CHECK_LIB(c_r, pthread_create, ,
-#      AC_MSG_ERROR([You must have libc_r installed to build/run pdnsd!]))
-#  fi;
-fi
-
-if test "$target" = "Linux" -a "$threadlib" = default; then
-{ $as_echo "$as_me:$LINENO: checking if this is an NPTL-based system" >&5
-$as_echo_n "checking if this is an NPTL-based system... " >&6; }
-old_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS $thread_CFLAGS"
-if test "$cross_compiling" = yes; then
-
-  { $as_echo "$as_me:$LINENO: result: couldn't run test program" >&5
-$as_echo "couldn't run test program" >&6; }
-  threadlib=linuxthreads
-
-else
-  cat >conftest.$ac_ext <<_ACEOF
-
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <pthread.h>
-
-/* All this function does is return its PID (in a roundabout way). */
-void *thread_func(void *data)
-{
-	*((int *)data)=getpid();
-	return data;
-}
-
-int main()
-{
-	pthread_t thread;
-	void *retval;
-	int err,mainpid,thrdpid;
-
-	err=pthread_create(&thread, NULL, thread_func, &thrdpid);
-	if(err) {
-		fprintf(stderr,"pthread_create failed: %s\n",strerror(err));
-		return 1;
-	}
-	err=pthread_join(thread,&retval);
-	if(err) {
-		fprintf(stderr,"pthread_join failed: %s\n",strerror(err));
-		return 1;
-	}
-	mainpid=getpid();
-	/* In LinuxThreads implementations, the pids of the threads will usually differ
-	   in a non Posix-compliant way. */
-	fprintf(stderr,"main pid=%d, thread pid=%d\n",mainpid,*((int *)retval));
-	return (*((int *)retval)!=mainpid);
-}
-
-_ACEOF
-rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
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-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
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-  (exit $ac_status); }; }; then
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-  { $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-  threadlib=nptl
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-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
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-
-( exit $ac_status )
-
-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-  threadlib=linuxthreads
-
-fi
-rm -rf conftest.dSYM
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-
-
-CFLAGS="$old_CFLAGS"
-fi
-
-if test "$threadlib" = nptl -o "$threadlib" = NPTL; then
-	cat >>confdefs.h <<\_ACEOF
-#define THREADLIB_NPTL 1
-_ACEOF
-
-elif test "$threadlib" = linuxthreads2 -o "$threadlib" = LinuxThreads2 -o "$threadlib" = lt2; then
-	cat >>confdefs.h <<\_ACEOF
-#define THREADLIB_LINUXTHREADS2 1
-_ACEOF
-
-fi
-
-{ $as_echo "$as_me:$LINENO: checking for ANSI C header files" >&5
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-if test "${ac_cv_header_stdc+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_stdc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_stdc=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <string.h>
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-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then
-  :
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then
-  :
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then
-  :
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
-		   (('a' <= (c) && (c) <= 'i') \
-		     || ('j' <= (c) && (c) <= 'r') \
-		     || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
-  int i;
-  for (i = 0; i < 256; i++)
-    if (XOR (islower (i), ISLOWER (i))
-	|| toupper (i) != TOUPPER (i))
-      return 2;
-  return 0;
-}
-_ACEOF
-rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
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-  { (case "(($ac_try" in
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-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-$as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_header_stdc=no
-fi
-rm -rf conftest.dSYM
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-
-
-fi
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
-if test $ac_cv_header_stdc = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define STDC_HEADERS 1
-_ACEOF
-
-fi
-
-{ $as_echo "$as_me:$LINENO: checking for sys/wait.h that is POSIX.1 compatible" >&5
-$as_echo_n "checking for sys/wait.h that is POSIX.1 compatible... " >&6; }
-if test "${ac_cv_header_sys_wait_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/types.h>
-#include <sys/wait.h>
-#ifndef WEXITSTATUS
-# define WEXITSTATUS(stat_val) ((unsigned int) (stat_val) >> 8)
-#endif
-#ifndef WIFEXITED
-# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
-#endif
-
-int
-main ()
-{
-  int s;
-  wait (&s);
-  s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
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-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_sys_wait_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_sys_wait_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_sys_wait_h" >&5
-$as_echo "$ac_cv_header_sys_wait_h" >&6; }
-if test $ac_cv_header_sys_wait_h = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SYS_WAIT_H 1
-_ACEOF
-
-fi
-
-
-
-
-
-
-
-for ac_header in fcntl.h malloc.h sys/ioctl.h sys/time.h syslog.h unistd.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
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-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
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-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking $ac_header usability" >&5
-$as_echo_n "checking $ac_header usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
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-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_struct_tm=time.h
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_struct_tm=sys/time.h
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_struct_tm" >&5
-$as_echo "$ac_cv_struct_tm" >&6; }
-if test $ac_cv_struct_tm = sys/time.h; then
-
-cat >>confdefs.h <<\_ACEOF
-#define TM_IN_SYS_TIME 1
-_ACEOF
-
-fi
-
-{ $as_echo "$as_me:$LINENO: checking for socklen_t" >&5
-$as_echo_n "checking for socklen_t... " >&6; }
-if test "${ac_cv_type_socklen_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_socklen_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <netinet/in.h>
-
-int
-main ()
-{
-if (sizeof (socklen_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <netinet/in.h>
-
-int
-main ()
-{
-if (sizeof ((socklen_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_socklen_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_socklen_t" >&5
-$as_echo "$ac_cv_type_socklen_t" >&6; }
-if test "x$ac_cv_type_socklen_t" = x""yes; then
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_SOCKLEN_T 1
-_ACEOF
-
-
-else
-  cat >>confdefs.h <<\_ACEOF
-#define socklen_t int
-_ACEOF
-
-fi
-
-{ $as_echo "$as_me:$LINENO: checking for struct in6_addr" >&5
-$as_echo_n "checking for struct in6_addr... " >&6; }
-if test "${ac_cv_type_struct_in6_addr+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_struct_in6_addr=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <netinet/in.h>
-
-int
-main ()
-{
-if (sizeof (struct in6_addr))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <netinet/in.h>
-
-int
-main ()
-{
-if (sizeof ((struct in6_addr)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_struct_in6_addr=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_struct_in6_addr" >&5
-$as_echo "$ac_cv_type_struct_in6_addr" >&6; }
-if test "x$ac_cv_type_struct_in6_addr" = x""yes; then
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_IN6_ADDR 1
-_ACEOF
-
-
-fi
-{ $as_echo "$as_me:$LINENO: checking for struct in_pktinfo" >&5
-$as_echo_n "checking for struct in_pktinfo... " >&6; }
-if test "${ac_cv_type_struct_in_pktinfo+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_struct_in_pktinfo=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <netinet/in.h>
-
-int
-main ()
-{
-if (sizeof (struct in_pktinfo))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <netinet/in.h>
-
-int
-main ()
-{
-if (sizeof ((struct in_pktinfo)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_struct_in_pktinfo=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_struct_in_pktinfo" >&5
-$as_echo "$ac_cv_type_struct_in_pktinfo" >&6; }
-if test "x$ac_cv_type_struct_in_pktinfo" = x""yes; then
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_IN_PKTINFO 1
-_ACEOF
-
-
-fi
-{ $as_echo "$as_me:$LINENO: checking for struct ifreq" >&5
-$as_echo_n "checking for struct ifreq... " >&6; }
-if test "${ac_cv_type_struct_ifreq+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_struct_ifreq=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <netinet/in.h>
-
-int
-main ()
-{
-if (sizeof (struct ifreq))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <netinet/in.h>
-
-int
-main ()
-{
-if (sizeof ((struct ifreq)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_struct_ifreq=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_struct_ifreq" >&5
-$as_echo "$ac_cv_type_struct_ifreq" >&6; }
-if test "x$ac_cv_type_struct_ifreq" = x""yes; then
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_IFREQ 1
-_ACEOF
-
-
-fi
-
-
-{ $as_echo "$as_me:$LINENO: checking for CPP C99 Variadic macro support" >&5
-$as_echo_n "checking for CPP C99 Variadic macro support... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-
-#define a(...) junk(0,__VA_ARGS__)
-extern void junk(int i,...);
-int main()
-{
-  a(0);
-  a("a");
-  a(0, "a", 1);
-  return 0;
-}
-
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cpp_c99_variadic="yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	cpp_c99_variadic="no"
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $cpp_c99_variadic" >&5
-$as_echo "$cpp_c99_variadic" >&6; }
-if test $cpp_c99_variadic = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define CPP_C99_VARIADIC_MACROS 1
-_ACEOF
-
-else
-  if test "$GCC" != yes; then
-    { { $as_echo "$as_me:$LINENO: error: Compiler must support C99 or gcc variadic macros" >&5
-$as_echo "$as_me: error: Compiler must support C99 or gcc variadic macros" >&2;}
-   { (exit 1); exit 1; }; }
-  fi;
-fi
-
-# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
-# for constant arguments.  Useless!
-{ $as_echo "$as_me:$LINENO: checking for working alloca.h" >&5
-$as_echo_n "checking for working alloca.h... " >&6; }
-if test "${ac_cv_working_alloca_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <alloca.h>
-int
-main ()
-{
-char *p = (char *) alloca (2 * sizeof (int));
-			  if (p) return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_working_alloca_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_working_alloca_h=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_working_alloca_h" >&5
-$as_echo "$ac_cv_working_alloca_h" >&6; }
-if test $ac_cv_working_alloca_h = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_ALLOCA_H 1
-_ACEOF
-
-fi
-
-{ $as_echo "$as_me:$LINENO: checking for alloca" >&5
-$as_echo_n "checking for alloca... " >&6; }
-if test "${ac_cv_func_alloca_works+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#ifdef __GNUC__
-# define alloca __builtin_alloca
-#else
-# ifdef _MSC_VER
-#  include <malloc.h>
-#  define alloca _alloca
-# else
-#  ifdef HAVE_ALLOCA_H
-#   include <alloca.h>
-#  else
-#   ifdef _AIX
- #pragma alloca
-#   else
-#    ifndef alloca /* predefined by HP cc +Olibcalls */
-char *alloca ();
-#    endif
-#   endif
-#  endif
-# endif
-#endif
-
-int
-main ()
-{
-char *p = (char *) alloca (1);
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-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_func__doprnt=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_func__doprnt=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func__doprnt" >&5
-$as_echo "$ac_cv_func__doprnt" >&6; }
-if test "x$ac_cv_func__doprnt" = x""yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_DOPRNT 1
-_ACEOF
-
-fi
-
-fi
-done
-
-
-{ $as_echo "$as_me:$LINENO: checking for library containing nanosleep" >&5
-$as_echo_n "checking for library containing nanosleep... " >&6; }
-if test "${ac_cv_search_nanosleep+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_func_search_save_LIBS=$LIBS
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char nanosleep ();
-int
-main ()
-{
-return nanosleep ();
-  ;
-  return 0;
-}
-_ACEOF
-for ac_lib in '' rt; do
-  if test -z "$ac_lib"; then
-    ac_res="none required"
-  else
-    ac_res=-l$ac_lib
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-  fi
-  rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_search_nanosleep=$ac_res
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext
-  if test "${ac_cv_search_nanosleep+set}" = set; then
-  break
-fi
-done
-if test "${ac_cv_search_nanosleep+set}" = set; then
-  :
-else
-  ac_cv_search_nanosleep=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_nanosleep" >&5
-$as_echo "$ac_cv_search_nanosleep" >&6; }
-ac_res=$ac_cv_search_nanosleep
-if test "$ac_res" != no; then
-  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-fi
-
-{ $as_echo "$as_me:$LINENO: checking for library containing socket" >&5
-$as_echo_n "checking for library containing socket... " >&6; }
-if test "${ac_cv_search_socket+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_func_search_save_LIBS=$LIBS
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char socket ();
-int
-main ()
-{
-return socket ();
-  ;
-  return 0;
-}
-_ACEOF
-for ac_lib in '' socket; do
-  if test -z "$ac_lib"; then
-    ac_res="none required"
-  else
-    ac_res=-l$ac_lib
-    LIBS="-l$ac_lib -lnsl $ac_func_search_save_LIBS"
-  fi
-  rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_search_socket=$ac_res
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext
-  if test "${ac_cv_search_socket+set}" = set; then
-  break
-fi
-done
-if test "${ac_cv_search_socket+set}" = set; then
-  :
-else
-  ac_cv_search_socket=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_socket" >&5
-$as_echo "$ac_cv_search_socket" >&6; }
-ac_res=$ac_cv_search_socket
-if test "$ac_res" != no; then
-  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-fi
-
-{ $as_echo "$as_me:$LINENO: checking for library containing inet_aton" >&5
-$as_echo_n "checking for library containing inet_aton... " >&6; }
-if test "${ac_cv_search_inet_aton+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_func_search_save_LIBS=$LIBS
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char inet_aton ();
-int
-main ()
-{
-return inet_aton ();
-  ;
-  return 0;
-}
-_ACEOF
-for ac_lib in '' resolv; do
-  if test -z "$ac_lib"; then
-    ac_res="none required"
-  else
-    ac_res=-l$ac_lib
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-  fi
-  rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_search_inet_aton=$ac_res
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext
-  if test "${ac_cv_search_inet_aton+set}" = set; then
-  break
-fi
-done
-if test "${ac_cv_search_inet_aton+set}" = set; then
-  :
-else
-  ac_cv_search_inet_aton=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_inet_aton" >&5
-$as_echo "$ac_cv_search_inet_aton" >&6; }
-ac_res=$ac_cv_search_inet_aton
-if test "$ac_res" != no; then
-  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-fi
-
-
-
-
-
-
-
-
-
-
-for ac_func in nanosleep gettimeofday mkfifo select socket strerror uname snprintf vsnprintf
-do
-as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
-$as_echo_n "checking for $ac_func... " >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
-
-int
-main ()
-{
-return $ac_func ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  eval "$as_ac_var=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_var=no"
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
- true
-else
-  { { $as_echo "$as_me:$LINENO: error: One of the functions required for pdnsd were not found." >&5
-$as_echo "$as_me: error: One of the functions required for pdnsd were not found." >&2;}
-   { (exit 1); exit 1; }; }
-fi
-done
-
-
-for ac_func in poll
-do
-as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
-$as_echo_n "checking for $ac_func... " >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
-
-int
-main ()
-{
-return $ac_func ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  eval "$as_ac_var=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_var=no"
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
- true
-else
-  cat >>confdefs.h <<\_ACEOF
-#define NO_POLL 1
-_ACEOF
-
-fi
-done
-
-
-
-
-
-
-
-
-
-
-
-
-
-for ac_func in strdup strndup stpcpy stpncpy strlcpy mempcpy getline asprintf vasprintf getpwnam_r inet_ntop inet_pton
-do
-as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
-$as_echo_n "checking for $ac_func... " >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
-
-int
-main ()
-{
-return $ac_func ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  eval "$as_ac_var=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_var=no"
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
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-if $ac_cs_silent; then
-  exec 6>/dev/null
-  ac_configure_extra_args="$ac_configure_extra_args --silent"
-fi
-
-_ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-if \$ac_cs_recheck; then
-  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
-  shift
-  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
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-  exec "\$@"
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-
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-exec 5>>config.log
-{
-  echo
-  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
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-_ASBOX
-  $as_echo "$ac_log"
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-
-_ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-#
-# INIT-COMMANDS
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-AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
-
-_ACEOF
-
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-
-# Handling of arguments.
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-    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
-    "file-list.base") CONFIG_FILES="$CONFIG_FILES file-list.base" ;;
-    "contrib/Makefile") CONFIG_FILES="$CONFIG_FILES contrib/Makefile" ;;
-    "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
-    "doc/pdnsd.8") CONFIG_FILES="$CONFIG_FILES doc/pdnsd.8" ;;
-    "doc/pdnsd.conf.5") CONFIG_FILES="$CONFIG_FILES doc/pdnsd.conf.5" ;;
-    "doc/pdnsd.conf") CONFIG_FILES="$CONFIG_FILES doc/pdnsd.conf" ;;
-    "src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
-    "src/pdnsd-ctl/Makefile") CONFIG_FILES="$CONFIG_FILES src/pdnsd-ctl/Makefile" ;;
-    "src/rc/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/Makefile" ;;
-    "src/rc/RedHat/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/RedHat/Makefile" ;;
-    "src/rc/RedHat/pdnsd") CONFIG_FILES="$CONFIG_FILES src/rc/RedHat/pdnsd" ;;
-    "src/rc/SuSE/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/SuSE/Makefile" ;;
-    "src/rc/SuSE/pdnsd") CONFIG_FILES="$CONFIG_FILES src/rc/SuSE/pdnsd" ;;
-    "src/rc/Debian/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/Debian/Makefile" ;;
-    "src/rc/Debian/pdnsd") CONFIG_FILES="$CONFIG_FILES src/rc/Debian/pdnsd" ;;
-    "src/rc/Slackware/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/Slackware/Makefile" ;;
-    "src/rc/Slackware/rc.pdnsd") CONFIG_FILES="$CONFIG_FILES src/rc/Slackware/rc.pdnsd" ;;
-    "src/rc/ArchLinux/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/ArchLinux/Makefile" ;;
-    "src/rc/ArchLinux/pdnsd") CONFIG_FILES="$CONFIG_FILES src/rc/ArchLinux/pdnsd" ;;
-    "src/test/Makefile") CONFIG_FILES="$CONFIG_FILES src/test/Makefile" ;;
-    "PKGBUILD") CONFIG_FILES="$CONFIG_FILES PKGBUILD" ;;
-
-  *) { { $as_echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
-$as_echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
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-  esac
-done
-
-
-# If the user did not use the arguments to specify the items to instantiate,
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-
-# Have a temporary directory for convenience.  Make it in the build tree
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-{
-  tmp=
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-  trap '{ (exit 1); exit 1; }' 1 2 13 15
-}
-# Create a (secure) tmp directory for tmp files.
-
-{
-  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
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-{
-  tmp=./conf$$-$RANDOM
-  (umask 077 && mkdir "$tmp")
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-{
-   $as_echo "$as_me: cannot create a temporary directory in ." >&2
-   { (exit 1); exit 1; }
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-
-# Set up the scripts for CONFIG_FILES section.
-# No need to generate them if there are no CONFIG_FILES.
-# This happens for instance with `./config.status config.h'.
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-
-
-ac_cr='
'
-ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
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-  ac_cs_awk_cr=$ac_cr
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-
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
-_ACEOF
-
-
-{
-  echo "cat >conf$$subs.awk <<_ACEOF" &&
-  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
-  echo "_ACEOF"
-} >conf$$subs.sh ||
-  { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
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-ac_delim='%!_!# '
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-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
-
-  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
-  if test $ac_delim_n = $ac_delim_num; then
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-    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
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-  else
-    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
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-done
-rm -f conf$$subs.sh
-
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
-_ACEOF
-sed -n '
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-g
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-h
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-p
-n
-b repl
-:more1
-s/["\\]/\\&/g; s/^/"/; s/$/"\\/
-p
-g
-s/.\{148\}//
-t nl
-:delim
-h
-s/\(.\{148\}\).*/\1/
-t more2
-s/["\\]/\\&/g; s/^/"/; s/$/"/
-p
-b
-:more2
-s/["\\]/\\&/g; s/^/"/; s/$/"\\/
-p
-g
-s/.\{148\}//
-t delim
-' <conf$$subs.awk | sed '
-/^[^""]/{
-  N
-  s/\n//
-}
-' >>$CONFIG_STATUS || ac_write_fail=1
-rm -f conf$$subs.awk
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-_ACAWK
-cat >>"\$tmp/subs1.awk" <<_ACAWK &&
-  for (key in S) S_is_set[key] = 1
-  FS = ""
-
-}
-{
-  line = $ 0
-  nfields = split(line, field, "@")
-  substed = 0
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-      len += length(value) + length(field[++i])
-      substed = 1
-    } else
-      len += 1 + keylen
-  }
-
-  print line
-}
-
-_ACAWK
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
-  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
-else
-  cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
-  || { { $as_echo "$as_me:$LINENO: error: could not setup config files machinery" >&5
-$as_echo "$as_me: error: could not setup config files machinery" >&2;}
-   { (exit 1); exit 1; }; }
-_ACEOF
-
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
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-# (actually we leave an empty line to preserve line numbers).
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-  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
-s/:*\$(srcdir):*/:/
-s/:*\${srcdir}:*/:/
-s/:*@srcdir@:*/:/
-s/^\([^=]*=[	 ]*\):*/\1/
-s/:*$//
-s/^[^=]*=[	 ]*$//
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-fi
-
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
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-
-# Set up the scripts for CONFIG_HEADERS section.
-# No need to generate them if there are no CONFIG_HEADERS.
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-if test -n "$CONFIG_HEADERS"; then
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-BEGIN {
-_ACEOF
-
-# Transform confdefs.h into an awk script `defines.awk', embedded as
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-
-# Create a delimiter string that does not exist in confdefs.h, to ease
-# handling of long lines.
-ac_delim='%!_!# '
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-  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_t"; then
-    break
-  elif $ac_last_try; then
-    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_HEADERS" >&5
-$as_echo "$as_me: error: could not make $CONFIG_HEADERS" >&2;}
-   { (exit 1); exit 1; }; }
-  else
-    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
-  fi
-done
-
-# For the awk script, D is an array of macro values keyed by name,
-# likewise P contains macro parameters if any.  Preserve backslash
-# newline sequences.
-
-ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
-sed -n '
-s/.\{148\}/&'"$ac_delim"'/g
-t rset
-:rset
-s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
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-d
-:def
-s/\\$//
-t bsnl
-s/["\\]/\\&/g
-s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
-D["\1"]=" \3"/p
-s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
-d
-:bsnl
-s/["\\]/\\&/g
-s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
-D["\1"]=" \3\\\\\\n"\\/p
-t cont
-s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
-t cont
-d
-:cont
-n
-s/.\{148\}/&'"$ac_delim"'/g
-t clear
-:clear
-s/\\$//
-t bsnlc
-s/["\\]/\\&/g; s/^/"/; s/$/"/p
-d
-:bsnlc
-s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
-b cont
-' <confdefs.h | sed '
-s/'"$ac_delim"'/"\\\
-"/g' >>$CONFIG_STATUS || ac_write_fail=1
-
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
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-  FS = ""
-}
-/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
-  line = \$ 0
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-  if (arg[1] == "#") {
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-    defundef = substr(arg[1], 2)
-    mac1 = arg[2]
-  }
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-  macro = mac2[1]
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-  if (D_is_set[macro]) {
-    # Preserve the white space surrounding the "#".
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-    next
-  } else {
-    # Replace #undef with comments.  This is necessary, for example,
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-    # on some systems where configure will not decide to define it.
-    if (defundef == "undef") {
-      print "/*", prefix defundef, macro, "*/"
-      next
-    }
-  }
-}
-{ print }
-_ACAWK
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  { { $as_echo "$as_me:$LINENO: error: could not setup config headers machinery" >&5
-$as_echo "$as_me: error: could not setup config headers machinery" >&2;}
-   { (exit 1); exit 1; }; }
-fi # test -n "$CONFIG_HEADERS"
-
-
-eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
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-for ac_tag
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-   { (exit 1); exit 1; }; };;
-  :[FH]-) ac_tag=-:-;;
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-  case $ac_mode in
-  :L) ac_source=$1;;
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-    ac_file_inputs=
-    for ac_f
-    do
-      case $ac_f in
-      -) ac_f="$tmp/stdin";;
-      *) # Look for the file first in the build tree, then in the source tree
-	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
-	 # because $ac_f cannot contain `:'.
-	 test -f "$ac_f" ||
-	   case $ac_f in
-	   [\\/$]*) false;;
-	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
-	   esac ||
-	   { { $as_echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
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-   { (exit 1); exit 1; }; };;
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-      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
-      ac_file_inputs="$ac_file_inputs '$ac_f'"
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-    # Let's still pretend it is `configure' which instantiates (i.e., don't
-    # use $as_me), people would be surprised to read:
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-    *) ac_sed_conf_input=$configure_input;;
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-    case $ac_tag in
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-    esac
-    ;;
-  esac
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-  ac_dir=`$as_dirname -- "$ac_file" ||
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-	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$ac_file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
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-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
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-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
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-	  s/.*/./; q'`
-  { as_dir="$ac_dir"
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-    as_dirs=
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-      esac
-      as_dirs="'$as_qdir' $as_dirs"
-      as_dir=`$as_dirname -- "$as_dir" ||
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-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
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-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
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-	  /^X\(\/\).*/{
-	    s//\1/
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-  ac_builddir=.
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-case "$ac_dir" in
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-*)
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-ac_abs_top_builddir=$ac_pwd
-ac_abs_builddir=$ac_pwd$ac_dir_suffix
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-case $srcdir in
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-esac
-ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
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-  case $ac_mode in
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-  case $INSTALL in
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-  ac_MKDIR_P=$MKDIR_P
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-  esac
-_ACEOF
-
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
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-
-ac_sed_dataroot='
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-case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
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-	 X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$mf" |
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-fi
-
diff --git a/app/src/main/jni/pdnsd/configure.in b/app/src/main/jni/pdnsd/configure.in
deleted file mode 100644
index 473abf1..0000000
--- a/app/src/main/jni/pdnsd/configure.in
+++ /dev/null
@@ -1,548 +0,0 @@
-dnl Process this file with autoconf to produce a configure script.
-AC_INIT(src)
-
-package="pdnsd"
-version=`cut -d - -f 1  "$srcdir"/version`
-fullversion=`cat "$srcdir"/version`
-packagerelease=`cut -d - -f 2- "$srcdir"/version`
-
-distribution="Generic"
-target="autodetect"
-cachedir="/var/cache/$package"
-ipv4_default=1
-have_ipv4="yes"
-#newrrs="yes"
-query_m="udponly"
-have_tcp_server="yes"
-adisc="default"
-slock="no";
-def_id="nobody"
-#have_rcsids="no"
-udp_queries="yes"
-tcp_queries="yes"
-tempdir="/tmp"
-randomdev=default
-freebsd_pthread="4"
-specbuild=no
-threadlib=default
-
-AM_INIT_AUTOMAKE($package, $version, [no-define])
-AM_CONFIG_HEADER(config.h)
-AC_GNU_SOURCE
-AC_DEFINE_UNQUOTED(VERSION,"$fullversion")
-AC_SUBST(fullversion)
-AC_SUBST(packagerelease)
-
-AC_ARG_WITH(distribution,
-[  --with-distribution=distro  Specify target distribution (default=Generic;
-                              others: RedHat, SuSE, Debian, ArchLinux)],
-  distribution=$withval)
-AC_SUBST(distribution)
-
-AC_ARG_WITH(target,
-[  --with-target=platform      Change compilation target platform (default: 
-                              autodetect; others: Linux, BSD, Cygwin)],
-  target=$withval)
-case $target in
-  Linux|linux)
-    AC_DEFINE(TARGET, TARGET_LINUX)
-    target="Linux"
-    ;;
-  BSD| bsd)
-    AC_DEFINE(TARGET, TARGET_BSD)
-    target="BSD"
-    ;;
-  Cygwin|CYGWIN|cygwin)
-    AC_DEFINE(TARGET, TARGET_CYGWIN)
-    target="cygwin"
-    ;;
-  autodetect)
-    ;;
-  *)
-    AC_MSG_ERROR([--with-target must have Linux, BSD or Cygwin as parameter.])
-    ;;
-esac
-
-AC_ARG_WITH(cachedir,
-[  --with-cachedir=dir         Default directory for pdnsd cache 
-                              (default=/var/cache/pdnsd)],
-  cachedir=$withval)
-AC_DEFINE_UNQUOTED(CACHEDIR, "$cachedir")
-AC_SUBST(cachedir)
-
-AC_ARG_ENABLE(isdn,
-[  --enable-isdn               Enable ISDN support (may cause problems on 
-                              some systems; only for Linux)],
-  test $enableval = "yes" && AC_DEFINE(ISDN_SUPPORT))
-
-AC_ARG_ENABLE(ipv4,
-[  --disable-ipv4              Disable IPv4 networking support 
-                              (default=enabled)],
-  have_ipv4=$enableval)
-
-test $have_ipv4 = "yes" && AC_DEFINE(ENABLE_IPV4)
-
-AC_ARG_ENABLE(ipv6,
-[  --enable-ipv6               Enable IPv6 networking support],
-[ if test $enableval = "yes" ; then
-    AC_DEFINE(ENABLE_IPV6)
-    if test $have_ipv4 != "yes" ; then
-      ipv4_default=0
-    fi
-  fi])
-
-AC_ARG_ENABLE(ipv4-startup,
-[  --disable-ipv4-startup      Disable IPv4 on pdnsd startup by default
-                              (default=enabled)],
-[ if test $enableval = "yes" ; then
-    ipv4_default=1
-  else
-    ipv4_default=0
-  fi])
-
-AC_ARG_ENABLE(ipv6-startup,
-[  --enable-ipv6-startup       Enable IPV6 on pdnsd startup by default
-                              (default=IPv4)],
-[ if test $enableval = "yes" ; then
-    ipv4_default=0
-  else
-    ipv4_default=1
-  fi])
-
-AC_DEFINE_UNQUOTED(DEFAULT_IPV4, $ipv4_default)
-
-AC_ARG_ENABLE(udp-queries,
-[  --disable-udp-queries       Disable udp as query method.],
-  udp_queries=$enableval)
-
-AC_ARG_ENABLE(tcp-queries,
-[  --disable-tcp-queries       Disable tcp as query method.],
-  tcp_queries=$enableval)
-
-AC_ARG_WITH(query-method,
-[  --with-query-method=qm      Specify the query method (default=udponly;
-                              others: tcponly, tcpudp, udptcp)],
-  query_m=$withval)
-case $query_m in
-  udponly|UDPonly)
-    AC_DEFINE(M_PRESET, UDP_ONLY)
-    udp_queries=yes;
-    ;;
-  tcponly|TCPonly)
-    AC_DEFINE(M_PRESET, TCP_ONLY)
-    tcp_queries=yes;
-    ;;
-  tcpudp|TCPUDP)
-    AC_DEFINE(M_PRESET, TCP_UDP)
-    udp_queries=yes;
-    tcp_queries=yes;
-    ;;
-  udptcp|UDPTCP)
-    AC_DEFINE(M_PRESET, UDP_TCP)
-    udp_queries=yes;
-    tcp_queries=yes;
-    ;;
-  *)
-    AC_MSG_ERROR([--with-query-method must have udponly, tcponly, tcpudp or udptcp as parameter.])
-    ;;
-esac
-
-test $udp_queries != "yes" && AC_DEFINE(NO_UDP_QUERIES)
-test $tcp_queries != "yes" && AC_DEFINE(NO_TCP_QUERIES)
-
-AC_ARG_ENABLE(tcp-server,
-[  --disable-tcp-server        Disable the TCP serving ability of pdnsd],
-  have_tcp_server=$enableval)
-
-test $have_tcp_server != "yes" && AC_DEFINE(NO_TCP_SERVER)
-
-AC_ARG_ENABLE(src-addr-disc,
-[  --disable-src-addr-disc     Disable the UDP source address discovery],
-    adisc=$enableval)
-
-AC_ARG_ENABLE(socket-locking,
-[  --enable-socket-locking     Enable the UDP socket locking],
-    slock=$enableval)
-
-test $slock = "yes" && AC_DEFINE(SOCKET_LOCKING)
-
-AC_ARG_ENABLE(poll,
-[  --disable-poll              Disable poll(2) and use select(2)
-                              (default=enabled)],
-   test $enableval != "yes" && AC_DEFINE(NO_POLL))
-
-AC_ARG_ENABLE(new-rrs,
-[  --disable-new-rrs           Disable new DNS RR types (obsolete, currently ignored)],
-   newrrs=$enableval)
-
-AC_ARG_ENABLE(strict-rfc2181,
-[  --enable-strict-rfc2181     Enforce strict RFC 2181 compliance],
-   test $enableval = "yes" && AC_DEFINE(RFC2181_ME_HARDER))
-
-AC_ARG_WITH(random-device,
-[  --with-random-device=device Specify random device other than 
-                              /dev/random; default: C Library random() PRNG;
-                              special value arc4random for BSD C Library
-                              arc4random function (default on FreeBSD)],
-   randomdev=$withval)
-
-if test "$randomdev" = arc4random ; then
-	AC_DEFINE(R_ARC4RANDOM)
-elif test "$randomdev" = random ; then
-	AC_DEFINE(R_RANDOM)
-elif test "$randomdev" = default ; then
-	AC_DEFINE(R_DEFAULT)
-else
-	AC_DEFINE_UNQUOTED(RANDOM_DEVICE, "$randomdev")
-fi
-
-AC_ARG_ENABLE(underscores,
-[  --enable-underscores        Allow _ in domain names (obsolete, currently ignored)],
-   underscores=$enableval)
-
-AC_ARG_WITH(default-id,
-[  --with-default-id=id        Specify default uid/gid for pdnsd 
-                              (default=nobody)],
-  def_id=$withval)
-AC_SUBST(def_id)
-
-AC_ARG_WITH(debug,
-[  --with-debug=level          Specify debugging level (0 means no debug support)],
-  AC_DEFINE_UNQUOTED(DEBUG, $withval))
-
-AC_ARG_WITH(verbosity,
-[  --with-verbosity=level      Specify default message verbosity],
-  AC_DEFINE_UNQUOTED(VERBOSITY, $withval))
-
-AC_ARG_WITH(hash-buckets,
-[  --with-hash-buckets=num     Number of hash buckets to use (default=1024).
-                              The number actually used is the smallest power of two
-                              greater or equal to the number specified here.],
-  powof2=1
-  hashsz=0
-
-  while test $powof2 -lt "$withval"
-  do
-    powof2=`expr 2 '*' $powof2`
-    hashsz=`expr $hashsz '+' 1`
-  done
-  AC_DEFINE_UNQUOTED(HASH_SZ, $hashsz)
-)
-
-AC_ARG_ENABLE(hash-debug,
-[  --enable-hash-debug         Debug hash tables (warning: massive output)],
-  test $enableval = "yes" && AC_DEFINE(DEBUG_HASH))
-
-AC_ARG_ENABLE(rcsids,
-[  --enable-rcsids             Enable RCS IDs in executables (obsolete, currently ignored)],
-  have_rcsids=$enableval)
-
-AC_ARG_WITH(tcp-qtimeout,
-[  --with-tcp-qtimeout=secs    Specify default tcp query timeout (default=30)],
-  AC_DEFINE_UNQUOTED(TCP_TIMEOUT, $withval))
-
-AC_ARG_ENABLE(tcp-subseq,
-[  --enable-tcp-subseq         Enable multiple dns querys using one
-                              tcp connection],
-  test $enableval = "yes" && AC_DEFINE(TCP_SUBSEQ))
-
-AC_ARG_WITH(par-queries,
-[  --with-par-queries=num      Specify default parallel query number (default=2)],
-  AC_DEFINE_UNQUOTED(PAR_QUERIES, $withval))
-
-AC_ARG_WITH(max-nameserver-ips,
-[  --with-max-nameserver-ips=num      Specify maximum number of IP addresses used per nameserver obtained from NS records (default=3)],
-  AC_DEFINE_UNQUOTED(MAXNAMESERVIPS, $withval))
-
-AC_ARG_ENABLE(specbuild,
-[  --enable-specbuild          Only used when building pdnsd from spec files],
-  specbuild=$enableval)
-
-AC_SUBST(specbuild)
-
-AC_ARG_WITH(thread-lib,
-[  --with-thread-lib=lib       Specify thread library, overriding automatic detection (for Linux only).
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-
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diff --git a/app/src/main/jni/pdnsd/contrib/Makefile.am b/app/src/main/jni/pdnsd/contrib/Makefile.am
deleted file mode 100644
index 5bdec20..0000000
--- a/app/src/main/jni/pdnsd/contrib/Makefile.am
+++ /dev/null
@@ -1,2 +0,0 @@
-
-EXTRA_DIST = pdnsd_dhcp.pl dhcp2pdnsd change_pdnsd_server_ip.pl README
diff --git a/app/src/main/jni/pdnsd/contrib/Makefile.in b/app/src/main/jni/pdnsd/contrib/Makefile.in
deleted file mode 100644
index a400dfe..0000000
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diff --git a/app/src/main/jni/pdnsd/contrib/README b/app/src/main/jni/pdnsd/contrib/README
deleted file mode 100644
index 19e4f44..0000000
--- a/app/src/main/jni/pdnsd/contrib/README
+++ /dev/null
@@ -1,30 +0,0 @@
-Last revised: 27 July 2003 by Paul Rombouts
-
-This directory contains user-contributed scripts for use with pdnsd.
-So far there are:
-
-pdnsd_dhcp.pl, save_ram.pl
-	A perl script contributed by Marko Stolle (derived from a script by
-	Mike Stella) to watch a ISC DHCPD leases file and add local records for
-	the hosts listed there. This makes pdnsd useable in a DHCP setup.
-	Please look into the script for usage instructions (you will probably
-	also need to customize some settings there).
-	For details about save_ram.pl, please look into pdnsd_dhcp.pl
-
-dhcp2pdnsd
-	A rc script for pdnsd, also by Marko Stolle. You might need to change
-	it slightly to make it run with your distro.
-
-change_pdnsd_server_ip.pl
-	A perl script contributed by Paul Rombouts for automatically updating
-	the configuration file if the DNS server configuration has changed.
-	For instance, you could place the following line in the script
-	/sbin/ifup-local
-
-	/usr/local/sbin/change_pdnsd_server_ip.pl isplabel "$DNS" /etc/pdnsd.conf
-
-	where $DNS contains the IP addresses (in comma separated format) of the
-	DNS servers obtained by DHCP negotiation. The perl script only
-	overwrites /etc/pdnsd.conf if the DNS configuration has actually
-	changed, in which case the previous configuration file is saved as
-	/etc/pdnsd.conf.save
diff --git a/app/src/main/jni/pdnsd/contrib/change_pdnsd_server_ip.pl b/app/src/main/jni/pdnsd/contrib/change_pdnsd_server_ip.pl
deleted file mode 100644
index 1eafca0..0000000
--- a/app/src/main/jni/pdnsd/contrib/change_pdnsd_server_ip.pl
+++ /dev/null
@@ -1,124 +0,0 @@
-#!/usr/bin/perl -w
-#
-# A Perl script to change the ip addresses of dns servers
-# in the pdnsd configuration file.
-#
-# Written by Paul A. Rombouts
-#
-# This file Copyright 2002, 2004 Paul A. Rombouts
-# It may be distributed under the GNU Public License, version 2, or
-# any higher version.  See section COPYING of the GNU Public license
-# for conditions under which this file may be redistributed.
-#
-
-use strict;
-
-unless(@ARGV) {die "Error: no label specified.\n"}
-my $label=shift;
-unless(@ARGV) {die "Error: no DNS addresses specified.\n"}
-my $dns_str=shift;
-my $pdnsd_conf='/etc/pdnsd.conf';
-if(@ARGV) {
-    $pdnsd_conf=shift;
-    if(@ARGV) {warn "Warning: spurious arguments ignored: @ARGV\n"}
-}
-
-#unless($label =~ /^\".*\"$/) {$label="\"$label\""}
-#unless($dns_str =~ /^\".*\"$/) {$dns_str =~ s/^[\s,]*/\"/; $dns_str =~ s/[\s,]*$/\"/}
-#unless($dns_str =~ /\"\s*\,\s*\"/) {$dns_str =~ s/[\s,]+/","/g}
-
-my @lines=();
-my $found_section=0;
-my $changed=0;
-my $ip_patt = qr/^((?:[^#]*?(?:\{|;))*?)(\s*ip\s*=\s*)("?[\w.:]+"?(?:\s*,\s*"?[\w.:]+"?)*)\s*;/;
-
-open(CONFFILE,$pdnsd_conf) or die "Can't open $pdnsd_conf: $!\n";
-
-while(<CONFFILE>) {
-    if(/^\s*server\s*\{/) {
-	my $sect_beg=$#lines+1;
-	my $sect_end;
-	my $found_label=0;
-	LOOP: {
-	    do {
-		push @lines,$_;
-		if(/^(?:.*(?:\{|;))?\s*label\s*=\s*"?\Q$label\E"?\s*;/) {
-		    if($found_label++) {
-			warn "Server section with multiple labels found.\n";
-			close(CONFFILE);
-			exit 2;
-		    }
-		}
-		if(/\}\s*$/) {
-		    $sect_end=$#lines;
-		    last LOOP;
-		}
-	    } while(<CONFFILE>);
-	}
-	unless(defined($sect_end)) {
-	    warn "Server section without proper ending found.\n";
-	    close(CONFFILE);
-	    exit 2;
-	}
-	if(!$found_label) {next}
-	if(!($found_section++)) {
-	    my $found_ip=0;
-	    for(my $i=$sect_beg; $i<=$sect_end;++$i) {
-		if($lines[$i] =~ $ip_patt) {
-		    my $matched=''; my $rest;
-		    do {
-			$rest=$';
-			if(!($found_ip++)) {
-			    if($3 eq $dns_str) {
-				$matched.=$&;
-			    }
-			    else {
-				$matched.="$1$2$dns_str;";
-				$changed=1;
-			    }
-			}
-			else {
-			    $matched.=$1;
-			    $changed=1;
-			}
-		    } while($rest =~ $ip_patt);
-		    $lines[$i] = $matched.$rest;
-		}
-	    }
-	    if(!$found_ip) {
-		unless($lines[$sect_end] =~ s/\}\s*$/ ip=$dns_str;\n$&/) {
-		    warn "Can't add ip specification to server section labeled $label.\n";
-		    close(CONFFILE);
-		    exit 2;
-		}
-		$changed=1;
-	    }
-        }
-        else {
-	    splice @lines,$sect_beg;
-	    $changed=1;
-	}
-    }
-    else {push @lines,$_}
-}
-
-close(CONFFILE) or die "Can't close $pdnsd_conf: $!\n";
-
-if(!$found_section) {
-    warn "No server sections labeled $label found.\n";
-    exit 2;
-}
-elsif(!$changed) {
-    exit 0;
-}
-
-rename($pdnsd_conf,"$pdnsd_conf.save") or die "Can't rename $pdnsd_conf: $!\n";
-
-unless((open(CONFFILE,">$pdnsd_conf") or (warn("Can't open $pdnsd_conf for writing: $!\n"),0)) and 
-       (print CONFFILE (@lines) or (warn("Can't write to $pdnsd_conf: $!\n"),0)) and
-       (close(CONFFILE) or (warn("Can't close $pdnsd_conf after writing: $!\n"),0))) {
-    rename("$pdnsd_conf.save",$pdnsd_conf) or die "Can't rename $pdnsd_conf.save: $!\n";
-    exit 3;
-}
-
-exit 1;
diff --git a/app/src/main/jni/pdnsd/contrib/dhcp2pdnsd b/app/src/main/jni/pdnsd/contrib/dhcp2pdnsd
deleted file mode 100644
index 73b631c..0000000
--- a/app/src/main/jni/pdnsd/contrib/dhcp2pdnsd
+++ /dev/null
@@ -1,45 +0,0 @@
-#! /bin/sh
-#
-# dhcp2pdnsd       Start/Stop DHCP to DNS update script
-#
-# chkconfig: 345 96 99
-# description: DHCP to DNS update script
-# processname: dhcp2pdnsd.pl
-#
-# $Id: dhcp2pdnsd,v 1.1 2001/03/25 20:01:34 tmm Exp $
-
-where="/usr/local/bin/"
-name="pdnsd_dhcp.pl"
-
-# Source function library.
-. /etc/rc.d/init.d/functions
-
-# Get config.
-. /etc/sysconfig/network
-
-# See how we were called.
-case "$1" in
-  start)
-	$where$name > /dev/null 2> /dev/null &
-	action "Starting DHCP to DNS update script: " /bin/true
-	;;
-  stop)
-        p=`ps h -C $name | awk '{print $1}'`	
-	[ $p -gt 0 ] 2> /dev/null && kill $p && action "Stopping DHCP to DNS update script: " /bin/true
-	[ $p -gt 0 ] 2> /dev/null || action "Stopping DHCP to DNS update script: " /bin/false
-	;;
-  status)
-        p=`ps h -C $name | awk '{print $1}'`
-	[ $p -gt 0 ] 2> /dev/null && echo 'running as '$p
-	[ $p -gt 0 ] 2> /dev/null || echo 'not running'
-	;;
-  restart|reload)
-	$0 stop
-	$0 start
-	;;
-  *)
-	echo "Usage: dhcp2pdnsd {start|stop|status|restart|reload}"
-	exit 1
-esac
-
-exit 0
diff --git a/app/src/main/jni/pdnsd/contrib/pdnsd_dhcp.pl b/app/src/main/jni/pdnsd/contrib/pdnsd_dhcp.pl
deleted file mode 100644
index 9cf0c87..0000000
--- a/app/src/main/jni/pdnsd/contrib/pdnsd_dhcp.pl
+++ /dev/null
@@ -1,246 +0,0 @@
-#!/usr/bin/perl
-# $Id: pdnsd_dhcp.pl,v 1.2 2001/03/25 20:01:34 tmm Exp $
-##########################################################################
-#
-# Filename:     pdnsd_dhcp.pl
-# Description:  Dynamic DNS-DHCP update script for pdnsd
-# Author: 	Mike Stella
-# Modified by:  Marko Stolle
-# Created:      November 19, 2001
-# Last Updated: February 28, 2001
-# Email:        fwd2m@xxxxxx
-#
-###########################################################################
-#
-#  This code is Copyright (c) 1998-2001 by Mike Stella and Marko Stolle
-#
-#  NO WARRANTY is given for this program.  If it doesn't
-#  work on your system, sorry.  If it eats your hard drive, 
-#  again, sorry.  It works fine on mine.  Good luck!
-#
-#  This program is free software; you can redistribute it and/or modify
-#  it under the terms of the GNU General Public License as published by
-#  the Free Software Foundation; either version 2 of the License, or
-#  (at your option) any later version.
-# 
-#  This program is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#  GNU General Public License for more details.
-#
-#  You should have received a copy of the GNU General Public License
-#  along with this program; if not, write to the Free Software
-#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-###########################################################################
-#
-# This script reads a dhcpd.leases file and dynamically updates pdnsd with
-# hostname and ip information.  
-#
-# It assumes that your DHCP server recieves hostnames from the
-# clients, and that your clients offer their hostnames to the server.
-# Some versions of Linux DHCP clients don't do that.  I use ISC's
-# DHCPD, found at http://www.isc.org - though others may work just
-# fine.
-#
-# This version of the script updates the pdnsd database. The status
-# control socket of pdnsd has to be enabled (psnsd -d -s). 
-#
-###########################################################################
-#
-# 02/20/2001 - first working version
-# 02/21/2001 - security patches by Thomas Moestl
-# 02/22/2001 - re-read dhcpd.leases if ttl has expireds since last update
-# 02/24/2001 - try to get domainname if not specified
-# 02/28/2001 - randomized temporary filename
-#	       added possibility to save some RAM (read below)
-#
-###########################################################################
-
-
-# You may save some memory if you use absolute values with sysopen
-# in sub update_dns and don't use tmpnam().. 
-# Just switch the '#' in front of the 'until sysopen' in the sub 
-# update_dns, check the necessary modes on your system using save_ram.pl 
-# and add a '#' in front of the following three lines.
-# Not using the tmpnam() function may open a security breach on systems
-# with not absolute trustworthy local users (Risk: a user may write a 
-# script which creates files with the same names as this script and block 
-# it that way. Unlikely because the filenames are now even without tmpnam()
-# randomized and an attacker has to create a very large number of files.)
-
-use Fcntl;
-use strict;
-use POSIX qw(tmpnam);
-
-$|=1;
-
-###########################################################################
-### Globals - you can change these as needed
-
-# Domain name
-# if not changed script will try to get it from the system
-my $domain_name        = "domain";
-
-# DHCPD lease file
-my $lease_file         = "/var/lib/dhcp/dhcpd.leases";
-
-# path to pdnsd-ctl
-my $pdnsd_ctl          = "/usr/local/sbin/pdnsd-ctl";
-
-# owning name server for the newly added records
-my $nameserver         = "localhost.";
-
-# TTL (Time To Live) for the new records
-my $ttl                = "86400";
-
-# number of seconds to check the lease file for updates
-my $update_freq        = 30;
-
-my $debug = 0;
-
-###########################################################################
-### Don't mess with anything below unless you REALLY need to modify the
-### code.  And if you do, please let me know, I'm always interested in
-### in improving this program.
-
-# Make a pid file
-`echo $$ > /var/run/pdnsd_update.pid`;
-
-my $logstr;
-my $modtime = 0;
-my $temp_dir = -d '/tmp' ? '/tmp' : $ENV{TMP} || $ENV{TEMP};
-
-use vars qw (%db);
-
-my $version = "1.03";
-
-
-###########################################################################
-# Main Loop
-
-  # try to find domainname if necessary
-  if ($domain_name eq "domain") {
-   $domain_name = `dnsdomainname`;
-  }
-  else {
-   $domain_name = "$domain_name\n";
-  }
-
-while (1) {
-
-  # check the file's last updated time, if it's been changed, update
-  # the DNS and save the time. Update DNS even if there a no changes on
-  # the leases file if ttl since last DNS update has expired.  
-  # This will ALWAYS run once - on startup, since $modtime starts at zero.
-
- 
-  my @stats = stat ($lease_file);
-
-
-  if (($stats[9] > $modtime) or (time >= $modtime+$ttl)){
-
-	# clear the old hash
-	undef %db;
-
-	printf STDERR "updating DNS with dhcpd.leases\n";
-	$modtime = time;
-	&read_lease_file;
-	&update_dns;
-  } 
-
-  # wait till next check time
-  sleep $update_freq;
-
-} # end main
-###########################################################################
-
-
-### write out the import file
-sub update_dns {
-	my ($ip, $hostname, $fname);
-
-	do { $fname = tmpnam() }
-        until sysopen(DNSFILE, $fname, O_WRONLY|O_CREAT|O_EXCL, 0600);
-#	do { $fname = "$temp_dir/d2d".int(rand(time())) }
-#	until sysopen(DNSFILE, $fname, 1|64|128, 0600);
-
-	while (($hostname,$ip) = each (%db)) {
-		print DNSFILE "$ip $hostname.$domain_name";
-	}
-	close DNSFILE;
-
-	system ("$pdnsd_ctl source $fname $nameserver $ttl");
-	unlink($fname);
-}
-
-
-### reads the lease file & makes a hash of what's in there.
-sub read_lease_file {
-
-  unless (open(LEASEFILE,$lease_file)) {
-	#`logger -t dns_update.pl error opening dhcpd lease file`;
-	print STDERR "Can't open lease file\n";
-	return;
-  }
-
-  my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
-  my $curdate = sprintf "%02d%02d%02d%02d%02d%20d%20d",
-  		($year+1900),($mon+1),$mday,$hour,$min,$sec;
-
-  ## Loop here, reading from LEASEFILE
-  while (<LEASEFILE>) {
-	my ($ip, $hostname, $mac, $enddate,$endtime);
-
-	if (/^\s*lease/i) {
-		
-	  # find ip address
-	  $_ =~ /^\s*lease\s+(\S+)/;
-	  $ip = $1;
-	  
-	  # do the rest of the block - we're interested in hostname,
-	  # mac address, and the lease time
-	  while ($_ !~ /^}/) {
-	    $_ = <LEASEFILE>;
-		# find hostname
-		if ($_ =~ /^\s*client/i) {
-		  #chomp $_;
-		  #chop $_;
-		  $_ =~ /\"(.*)\"/;
-		  $hostname = $1;
-		  
-		  # change spaces to dash, remove dots - microsoft
-		  # really needs to not do this crap
-		  $hostname =~ s/\s+/-/g;
-		  $hostname =~ s/\.//g;
-		}
-		# get the lease end date
-		elsif ($_ =~ /^\s*ends/i) {
-			$_ =~ m/^\s*ends\s+\d\s+([^;]+);/;
-			$enddate = $1;
-			$enddate =~ s|[/: ]||g;
-		}
-	  }
-	  # lowercase it - stupid dhcp clients
-	  $hostname =~ tr/[A-Z]/[a-z]/;
-
-	  ($debug < 1 ) || print STDERR "$hostname $ip $enddate $curdate\n";
-	  
-	  # Store hostname/ip in hash - this way we can do easy dupe checking
-	  if (($hostname ne "") and ($enddate > $curdate)) {
-		$db{$hostname} = $ip;
-	  }
-	}
-  }
-  close LEASEFILE;
-}
-
-### left around for testing
-sub print_db {
-  my ($key,$value);
-
-  while (($key,$value) = each (%db)) {
-	print "$key - $value\n";
-  }
-}
-
diff --git a/app/src/main/jni/pdnsd/depcomp b/app/src/main/jni/pdnsd/depcomp
deleted file mode 100644
index 04701da..0000000
--- a/app/src/main/jni/pdnsd/depcomp
+++ /dev/null
@@ -1,530 +0,0 @@
-#! /bin/sh
-# depcomp - compile a program generating dependencies as side-effects
-
-scriptversion=2005-07-09.11
-
-# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-# Originally written by Alexandre Oliva <oliva@xxxxxxxxxxxxxx>.
-
-case $1 in
-  '')
-     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
-     exit 1;
-     ;;
-  -h | --h*)
-    cat <<\EOF
-Usage: depcomp [--help] [--version] PROGRAM [ARGS]
-
-Run PROGRAMS ARGS to compile a file, generating dependencies
-as side-effects.
-
-Environment variables:
-  depmode     Dependency tracking mode.
-  source      Source file read by `PROGRAMS ARGS'.
-  object      Object file output by `PROGRAMS ARGS'.
-  DEPDIR      directory where to store dependencies.
-  depfile     Dependency file to output.
-  tmpdepfile  Temporary file to use when outputing dependencies.
-  libtool     Whether libtool is used (yes/no).
-
-Report bugs to <bug-automake@xxxxxxx>.
-EOF
-    exit $?
-    ;;
-  -v | --v*)
-    echo "depcomp $scriptversion"
-    exit $?
-    ;;
-esac
-
-if test -z "$depmode" || test -z "$source" || test -z "$object"; then
-  echo "depcomp: Variables source, object and depmode must be set" 1>&2
-  exit 1
-fi
-
-# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
-depfile=${depfile-`echo "$object" |
-  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
-tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
-
-rm -f "$tmpdepfile"
-
-# Some modes work just like other modes, but use different flags.  We
-# parameterize here, but still list the modes in the big case below,
-# to make depend.m4 easier to write.  Note that we *cannot* use a case
-# here, because this file can only contain one case statement.
-if test "$depmode" = hp; then
-  # HP compiler uses -M and no extra arg.
-  gccflag=-M
-  depmode=gcc
-fi
-
-if test "$depmode" = dashXmstdout; then
-   # This is just like dashmstdout with a different argument.
-   dashmflag=-xM
-   depmode=dashmstdout
-fi
-
-case "$depmode" in
-gcc3)
-## gcc 3 implements dependency tracking that does exactly what
-## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
-## it if -MD -MP comes after the -MF stuff.  Hmm.
-  "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
-  stat=$?
-  if test $stat -eq 0; then :
-  else
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  mv "$tmpdepfile" "$depfile"
-  ;;
-
-gcc)
-## There are various ways to get dependency output from gcc.  Here's
-## why we pick this rather obscure method:
-## - Don't want to use -MD because we'd like the dependencies to end
-##   up in a subdir.  Having to rename by hand is ugly.
-##   (We might end up doing this anyway to support other compilers.)
-## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
-##   -MM, not -M (despite what the docs say).
-## - Using -M directly means running the compiler twice (even worse
-##   than renaming).
-  if test -z "$gccflag"; then
-    gccflag=-MD,
-  fi
-  "$@" -Wp,"$gccflag$tmpdepfile"
-  stat=$?
-  if test $stat -eq 0; then :
-  else
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-  echo "$object : \\" > "$depfile"
-  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
-## The second -e expression handles DOS-style file names with drive letters.
-  sed -e 's/^[^:]*: / /' \
-      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
-## This next piece of magic avoids the `deleted header file' problem.
-## The problem is that when a header file which appears in a .P file
-## is deleted, the dependency causes make to die (because there is
-## typically no way to rebuild the header).  We avoid this by adding
-## dummy dependencies for each header file.  Too bad gcc doesn't do
-## this for us directly.
-  tr ' ' '
-' < "$tmpdepfile" |
-## Some versions of gcc put a space before the `:'.  On the theory
-## that the space means something, we add a space to the output as
-## well.
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-hp)
-  # This case exists only to let depend.m4 do its work.  It works by
-  # looking at the text of this script.  This case will never be run,
-  # since it is checked for above.
-  exit 1
-  ;;
-
-sgi)
-  if test "$libtool" = yes; then
-    "$@" "-Wp,-MDupdate,$tmpdepfile"
-  else
-    "$@" -MDupdate "$tmpdepfile"
-  fi
-  stat=$?
-  if test $stat -eq 0; then :
-  else
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-
-  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
-    echo "$object : \\" > "$depfile"
-
-    # Clip off the initial element (the dependent).  Don't try to be
-    # clever and replace this with sed code, as IRIX sed won't handle
-    # lines with more than a fixed number of characters (4096 in
-    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
-    # the IRIX cc adds comments like `#:fec' to the end of the
-    # dependency line.
-    tr ' ' '
-' < "$tmpdepfile" \
-    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
-    tr '
-' ' ' >> $depfile
-    echo >> $depfile
-
-    # The second pass generates a dummy entry for each header file.
-    tr ' ' '
-' < "$tmpdepfile" \
-   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
-   >> $depfile
-  else
-    # The sourcefile does not contain any dependencies, so just
-    # store a dummy comment line, to avoid errors with the Makefile
-    # "include basename.Plo" scheme.
-    echo "#dummy" > "$depfile"
-  fi
-  rm -f "$tmpdepfile"
-  ;;
-
-aix)
-  # The C for AIX Compiler uses -M and outputs the dependencies
-  # in a .u file.  In older versions, this file always lives in the
-  # current directory.  Also, the AIX compiler puts `$object:' at the
-  # start of each line; $object doesn't have directory information.
-  # Version 6 uses the directory in both cases.
-  stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
-  tmpdepfile="$stripped.u"
-  if test "$libtool" = yes; then
-    "$@" -Wc,-M
-  else
-    "$@" -M
-  fi
-  stat=$?
-
-  if test -f "$tmpdepfile"; then :
-  else
-    stripped=`echo "$stripped" | sed 's,^.*/,,'`
-    tmpdepfile="$stripped.u"
-  fi
-
-  if test $stat -eq 0; then :
-  else
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-
-  if test -f "$tmpdepfile"; then
-    outname="$stripped.o"
-    # Each line is of the form `foo.o: dependent.h'.
-    # Do two passes, one to just change these to
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-    sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
-    sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
-  else
-    # The sourcefile does not contain any dependencies, so just
-    # store a dummy comment line, to avoid errors with the Makefile
-    # "include basename.Plo" scheme.
-    echo "#dummy" > "$depfile"
-  fi
-  rm -f "$tmpdepfile"
-  ;;
-
-icc)
-  # Intel's C compiler understands `-MD -MF file'.  However on
-  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
-  # ICC 7.0 will fill foo.d with something like
-  #    foo.o: sub/foo.c
-  #    foo.o: sub/foo.h
-  # which is wrong.  We want:
-  #    sub/foo.o: sub/foo.c
-  #    sub/foo.o: sub/foo.h
-  #    sub/foo.c:
-  #    sub/foo.h:
-  # ICC 7.1 will output
-  #    foo.o: sub/foo.c sub/foo.h
-  # and will wrap long lines using \ :
-  #    foo.o: sub/foo.c ... \
-  #     sub/foo.h ... \
-  #     ...
-
-  "$@" -MD -MF "$tmpdepfile"
-  stat=$?
-  if test $stat -eq 0; then :
-  else
-    rm -f "$tmpdepfile"
-    exit $stat
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-  rm -f "$depfile"
-  # Each line is of the form `foo.o: dependent.h',
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-  # Do two passes, one to just change these to
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-  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
-  # Some versions of the HPUX 10.20 sed can't process this invocation
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-  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
-    sed -e 's/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-tru64)
-   # The Tru64 compiler uses -MD to generate dependencies as a side
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-   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
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-
-   if test "$libtool" = yes; then
-      # With Tru64 cc, shared objects can also be used to make a
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-      # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
-      #
-      # With libtool 1.5 this exception was removed, and libtool now
-      # generates 2 separate objects for the 2 libraries.  These two
-      # compilations output dependencies in in $dir.libs/$base.o.d and
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-      # one of the two compilations can be disabled.  We should prefer
-      # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
-      # automatically cleaned when .libs/ is deleted, while ignoring
-      # the former would cause a distcleancheck panic.
-      tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
-      tmpdepfile2=$dir$base.o.d          # libtool 1.5
-      tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
-      tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
-      "$@" -Wc,-MD
-   else
-      tmpdepfile1=$dir$base.o.d
-      tmpdepfile2=$dir$base.d
-      tmpdepfile3=$dir$base.d
-      tmpdepfile4=$dir$base.d
-      "$@" -MD
-   fi
-
-   stat=$?
-   if test $stat -eq 0; then :
-   else
-      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
-      exit $stat
-   fi
-
-   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
-   do
-     test -f "$tmpdepfile" && break
-   done
-   if test -f "$tmpdepfile"; then
-      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
-      # That's a tab and a space in the [].
-      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
-   else
-      echo "#dummy" > "$depfile"
-   fi
-   rm -f "$tmpdepfile"
-   ;;
-
-#nosideeffect)
-  # This comment above is used by automake to tell side-effect
-  # dependency tracking mechanisms from slower ones.
-
-dashmstdout)
-  # Important note: in order to support this mode, a compiler *must*
-  # always write the preprocessed file to stdout, regardless of -o.
-  "$@" || exit $?
-
-  # Remove the call to Libtool.
-  if test "$libtool" = yes; then
-    while test $1 != '--mode=compile'; do
-      shift
-    done
-    shift
-  fi
-
-  # Remove `-o $object'.
-  IFS=" "
-  for arg
-  do
-    case $arg in
-    -o)
-      shift
-      ;;
-    $object)
-      shift
-      ;;
-    *)
-      set fnord "$@" "$arg"
-      shift # fnord
-      shift # $arg
-      ;;
-    esac
-  done
-
-  test -z "$dashmflag" && dashmflag=-M
-  # Require at least two characters before searching for `:'
-  # in the target name.  This is to cope with DOS-style filenames:
-  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
-  "$@" $dashmflag |
-    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
-  rm -f "$depfile"
-  cat < "$tmpdepfile" > "$depfile"
-  tr ' ' '
-' < "$tmpdepfile" | \
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-dashXmstdout)
-  # This case only exists to satisfy depend.m4.  It is never actually
-  # run, as this mode is specially recognized in the preamble.
-  exit 1
-  ;;
-
-makedepend)
-  "$@" || exit $?
-  # Remove any Libtool call
-  if test "$libtool" = yes; then
-    while test $1 != '--mode=compile'; do
-      shift
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-    shift
-  fi
-  # X makedepend
-  shift
-  cleared=no
-  for arg in "$@"; do
-    case $cleared in
-    no)
-      set ""; shift
-      cleared=yes ;;
-    esac
-    case "$arg" in
-    -D*|-I*)
-      set fnord "$@" "$arg"; shift ;;
-    # Strip any option that makedepend may not understand.  Remove
-    # the object too, otherwise makedepend will parse it as a source file.
-    -*|$object)
-      ;;
-    *)
-      set fnord "$@" "$arg"; shift ;;
-    esac
-  done
-  obj_suffix="`echo $object | sed 's/^.*\././'`"
-  touch "$tmpdepfile"
-  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
-  rm -f "$depfile"
-  cat < "$tmpdepfile" > "$depfile"
-  sed '1,2d' "$tmpdepfile" | tr ' ' '
-' | \
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile" "$tmpdepfile".bak
-  ;;
-
-cpp)
-  # Important note: in order to support this mode, a compiler *must*
-  # always write the preprocessed file to stdout.
-  "$@" || exit $?
-
-  # Remove the call to Libtool.
-  if test "$libtool" = yes; then
-    while test $1 != '--mode=compile'; do
-      shift
-    done
-    shift
-  fi
-
-  # Remove `-o $object'.
-  IFS=" "
-  for arg
-  do
-    case $arg in
-    -o)
-      shift
-      ;;
-    $object)
-      shift
-      ;;
-    *)
-      set fnord "$@" "$arg"
-      shift # fnord
-      shift # $arg
-      ;;
-    esac
-  done
-
-  "$@" -E |
-    sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-       -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
-    sed '$ s: \\$::' > "$tmpdepfile"
-  rm -f "$depfile"
-  echo "$object : \\" > "$depfile"
-  cat < "$tmpdepfile" >> "$depfile"
-  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-msvisualcpp)
-  # Important note: in order to support this mode, a compiler *must*
-  # always write the preprocessed file to stdout, regardless of -o,
-  # because we must use -o when running libtool.
-  "$@" || exit $?
-  IFS=" "
-  for arg
-  do
-    case "$arg" in
-    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
-	set fnord "$@"
-	shift
-	shift
-	;;
-    *)
-	set fnord "$@" "$arg"
-	shift
-	shift
-	;;
-    esac
-  done
-  "$@" -E |
-  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
-  rm -f "$depfile"
-  echo "$object : \\" > "$depfile"
-  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
-  echo "	" >> "$depfile"
-  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-none)
-  exec "$@"
-  ;;
-
-*)
-  echo "Unknown depmode $depmode" 1>&2
-  exit 1
-  ;;
-esac
-
-exit 0
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
-# End:
diff --git a/app/src/main/jni/pdnsd/file-list.base.in b/app/src/main/jni/pdnsd/file-list.base.in
deleted file mode 100644
index 409ba33..0000000
--- a/app/src/main/jni/pdnsd/file-list.base.in
+++ /dev/null
@@ -1,5 +0,0 @@
-%defattr(-,root,root)
-%doc AUTHORS THANKS COPYING COPYING.BSD ChangeLog ChangeLog.old INSTALL NEWS README README.par README.par.old TODO
-%config /etc/pdnsd.conf.sample
-%attr(750, @def_id@, @def_id@) %dir @cachedir@
-%attr(640, @def_id@, @def_id@) %config @cachedir@/pdnsd.cache
diff --git a/app/src/main/jni/pdnsd/install-sh b/app/src/main/jni/pdnsd/install-sh
deleted file mode 100644
index 4d4a951..0000000
--- a/app/src/main/jni/pdnsd/install-sh
+++ /dev/null
@@ -1,323 +0,0 @@
-#!/bin/sh
-# install - install a program, script, or datafile
-
-scriptversion=2005-05-14.22
-
-# This originates from X11R5 (mit/util/scripts/install.sh), which was
-# later released in X11R6 (xc/config/util/install.sh) with the
-# following copyright and license.
-#
-# Copyright (C) 1994 X Consortium
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to
-# deal in the Software without restriction, including without limitation the
-# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-# sell copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
-# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-#
-# Except as contained in this notice, the name of the X Consortium shall not
-# be used in advertising or otherwise to promote the sale, use or other deal-
-# ings in this Software without prior written authorization from the X Consor-
-# tium.
-#
-#
-# FSF changes to this file are in the public domain.
-#
-# Calling this script install-sh is preferred over install.sh, to prevent
-# `make' implicit rules from creating a file called install from it
-# when there is no Makefile.
-#
-# This script is compatible with the BSD install script, but was written
-# from scratch.  It can only install one file at a time, a restriction
-# shared with many OS's install programs.
-
-# set DOITPROG to echo to test this script
-
-# Don't use :- since 4.3BSD and earlier shells don't like it.
-doit="${DOITPROG-}"
-
-# put in absolute paths if you don't have them in your path; or use env. vars.
-
-mvprog="${MVPROG-mv}"
-cpprog="${CPPROG-cp}"
-chmodprog="${CHMODPROG-chmod}"
-chownprog="${CHOWNPROG-chown}"
-chgrpprog="${CHGRPPROG-chgrp}"
-stripprog="${STRIPPROG-strip}"
-rmprog="${RMPROG-rm}"
-mkdirprog="${MKDIRPROG-mkdir}"
-
-chmodcmd="$chmodprog 0755"
-chowncmd=
-chgrpcmd=
-stripcmd=
-rmcmd="$rmprog -f"
-mvcmd="$mvprog"
-src=
-dst=
-dir_arg=
-dstarg=
-no_target_directory=
-
-usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
-   or: $0 [OPTION]... SRCFILES... DIRECTORY
-   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
-   or: $0 [OPTION]... -d DIRECTORIES...
-
-In the 1st form, copy SRCFILE to DSTFILE.
-In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
-In the 4th, create DIRECTORIES.
-
-Options:
--c         (ignored)
--d         create directories instead of installing files.
--g GROUP   $chgrpprog installed files to GROUP.
--m MODE    $chmodprog installed files to MODE.
--o USER    $chownprog installed files to USER.
--s         $stripprog installed files.
--t DIRECTORY  install into DIRECTORY.
--T         report an error if DSTFILE is a directory.
---help     display this help and exit.
---version  display version info and exit.
-
-Environment variables override the default commands:
-  CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
-"
-
-while test -n "$1"; do
-  case $1 in
-    -c) shift
-        continue;;
-
-    -d) dir_arg=true
-        shift
-        continue;;
-
-    -g) chgrpcmd="$chgrpprog $2"
-        shift
-        shift
-        continue;;
-
-    --help) echo "$usage"; exit $?;;
-
-    -m) chmodcmd="$chmodprog $2"
-        shift
-        shift
-        continue;;
-
-    -o) chowncmd="$chownprog $2"
-        shift
-        shift
-        continue;;
-
-    -s) stripcmd=$stripprog
-        shift
-        continue;;
-
-    -t) dstarg=$2
-	shift
-	shift
-	continue;;
-
-    -T) no_target_directory=true
-	shift
-	continue;;
-
-    --version) echo "$0 $scriptversion"; exit $?;;
-
-    *)  # When -d is used, all remaining arguments are directories to create.
-	# When -t is used, the destination is already specified.
-	test -n "$dir_arg$dstarg" && break
-        # Otherwise, the last argument is the destination.  Remove it from $@.
-	for arg
-	do
-          if test -n "$dstarg"; then
-	    # $@ is not empty: it contains at least $arg.
-	    set fnord "$@" "$dstarg"
-	    shift # fnord
-	  fi
-	  shift # arg
-	  dstarg=$arg
-	done
-	break;;
-  esac
-done
-
-if test -z "$1"; then
-  if test -z "$dir_arg"; then
-    echo "$0: no input file specified." >&2
-    exit 1
-  fi
-  # It's OK to call `install-sh -d' without argument.
-  # This can happen when creating conditional directories.
-  exit 0
-fi
-
-for src
-do
-  # Protect names starting with `-'.
-  case $src in
-    -*) src=./$src ;;
-  esac
-
-  if test -n "$dir_arg"; then
-    dst=$src
-    src=
-
-    if test -d "$dst"; then
-      mkdircmd=:
-      chmodcmd=
-    else
-      mkdircmd=$mkdirprog
-    fi
-  else
-    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
-    # might cause directories to be created, which would be especially bad
-    # if $src (and thus $dsttmp) contains '*'.
-    if test ! -f "$src" && test ! -d "$src"; then
-      echo "$0: $src does not exist." >&2
-      exit 1
-    fi
-
-    if test -z "$dstarg"; then
-      echo "$0: no destination specified." >&2
-      exit 1
-    fi
-
-    dst=$dstarg
-    # Protect names starting with `-'.
-    case $dst in
-      -*) dst=./$dst ;;
-    esac
-
-    # If destination is a directory, append the input filename; won't work
-    # if double slashes aren't ignored.
-    if test -d "$dst"; then
-      if test -n "$no_target_directory"; then
-	echo "$0: $dstarg: Is a directory" >&2
-	exit 1
-      fi
-      dst=$dst/`basename "$src"`
-    fi
-  fi
-
-  # This sed command emulates the dirname command.
-  dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
-
-  # Make sure that the destination directory exists.
-
-  # Skip lots of stat calls in the usual case.
-  if test ! -d "$dstdir"; then
-    defaultIFS='
-	 '
-    IFS="${IFS-$defaultIFS}"
-
-    oIFS=$IFS
-    # Some sh's can't handle IFS=/ for some reason.
-    IFS='%'
-    set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
-    shift
-    IFS=$oIFS
-
-    pathcomp=
-
-    while test $# -ne 0 ; do
-      pathcomp=$pathcomp$1
-      shift
-      if test ! -d "$pathcomp"; then
-        $mkdirprog "$pathcomp"
-	# mkdir can fail with a `File exist' error in case several
-	# install-sh are creating the directory concurrently.  This
-	# is OK.
-	test -d "$pathcomp" || exit
-      fi
-      pathcomp=$pathcomp/
-    done
-  fi
-
-  if test -n "$dir_arg"; then
-    $doit $mkdircmd "$dst" \
-      && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
-      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
-      && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
-      && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
-
-  else
-    dstfile=`basename "$dst"`
-
-    # Make a couple of temp file names in the proper directory.
-    dsttmp=$dstdir/_inst.$$_
-    rmtmp=$dstdir/_rm.$$_
-
-    # Trap to clean up those temp files at exit.
-    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
-    trap '(exit $?); exit' 1 2 13 15
-
-    # Copy the file name to the temp name.
-    $doit $cpprog "$src" "$dsttmp" &&
-
-    # and set any options; do chmod last to preserve setuid bits.
-    #
-    # If any of these fail, we abort the whole thing.  If we want to
-    # ignore errors from any of these, just make sure not to ignore
-    # errors from the above "$doit $cpprog $src $dsttmp" command.
-    #
-    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
-      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
-      && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
-      && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
-
-    # Now rename the file to the real destination.
-    { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
-      || {
-	   # The rename failed, perhaps because mv can't rename something else
-	   # to itself, or perhaps because mv is so ancient that it does not
-	   # support -f.
-
-	   # Now remove or move aside any old file at destination location.
-	   # We try this two ways since rm can't unlink itself on some
-	   # systems and the destination file might be busy for other
-	   # reasons.  In this case, the final cleanup might fail but the new
-	   # file should still install successfully.
-	   {
-	     if test -f "$dstdir/$dstfile"; then
-	       $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
-	       || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
-	       || {
-		 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
-		 (exit 1); exit 1
-	       }
-	     else
-	       :
-	     fi
-	   } &&
-
-	   # Now rename the file to the real destination.
-	   $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
-	 }
-    }
-  fi || { (exit 1); exit 1; }
-done
-
-# The final little trick to "correctly" pass the exit status to the exit trap.
-{
-  (exit 0); exit 0
-}
-
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
-# End:
diff --git a/app/src/main/jni/pdnsd/missing b/app/src/main/jni/pdnsd/missing
deleted file mode 100644
index 894e786..0000000
--- a/app/src/main/jni/pdnsd/missing
+++ /dev/null
@@ -1,360 +0,0 @@
-#! /bin/sh
-# Common stub for a few missing GNU programs while installing.
-
-scriptversion=2005-06-08.21
-
-# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005
-#   Free Software Foundation, Inc.
-# Originally by Fran,cois Pinard <pinard@xxxxxxxxxxxxxxxx>, 1996.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-if test $# -eq 0; then
-  echo 1>&2 "Try \`$0 --help' for more information"
-  exit 1
-fi
-
-run=:
-
-# In the cases where this matters, `missing' is being run in the
-# srcdir already.
-if test -f configure.ac; then
-  configure_ac=configure.ac
-else
-  configure_ac=configure.in
-fi
-
-msg="missing on your system"
-
-case "$1" in
---run)
-  # Try to run requested program, and just exit if it succeeds.
-  run=
-  shift
-  "$@" && exit 0
-  # Exit code 63 means version mismatch.  This often happens
-  # when the user try to use an ancient version of a tool on
-  # a file that requires a minimum version.  In this case we
-  # we should proceed has if the program had been absent, or
-  # if --run hadn't been passed.
-  if test $? = 63; then
-    run=:
-    msg="probably too old"
-  fi
-  ;;
-
-  -h|--h|--he|--hel|--help)
-    echo "\
-$0 [OPTION]... PROGRAM [ARGUMENT]...
-
-Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
-error status if there is no known handling for PROGRAM.
-
-Options:
-  -h, --help      display this help and exit
-  -v, --version   output version information and exit
-  --run           try to run the given command, and emulate it if it fails
-
-Supported PROGRAM values:
-  aclocal      touch file \`aclocal.m4'
-  autoconf     touch file \`configure'
-  autoheader   touch file \`config.h.in'
-  automake     touch all \`Makefile.in' files
-  bison        create \`y.tab.[ch]', if possible, from existing .[ch]
-  flex         create \`lex.yy.c', if possible, from existing .c
-  help2man     touch the output file
-  lex          create \`lex.yy.c', if possible, from existing .c
-  makeinfo     touch the output file
-  tar          try tar, gnutar, gtar, then tar without non-portable flags
-  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
-
-Send bug reports to <bug-automake@xxxxxxx>."
-    exit $?
-    ;;
-
-  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
-    echo "missing $scriptversion (GNU Automake)"
-    exit $?
-    ;;
-
-  -*)
-    echo 1>&2 "$0: Unknown \`$1' option"
-    echo 1>&2 "Try \`$0 --help' for more information"
-    exit 1
-    ;;
-
-esac
-
-# Now exit if we have it, but it failed.  Also exit now if we
-# don't have it and --version was passed (most likely to detect
-# the program).
-case "$1" in
-  lex|yacc)
-    # Not GNU programs, they don't have --version.
-    ;;
-
-  tar)
-    if test -n "$run"; then
-       echo 1>&2 "ERROR: \`tar' requires --run"
-       exit 1
-    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
-       exit 1
-    fi
-    ;;
-
-  *)
-    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
-       # We have it, but it failed.
-       exit 1
-    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
-       # Could not run --version or --help.  This is probably someone
-       # running `$TOOL --version' or `$TOOL --help' to check whether
-       # $TOOL exists and not knowing $TOOL uses missing.
-       exit 1
-    fi
-    ;;
-esac
-
-# If it does not exist, or fails to run (possibly an outdated version),
-# try to emulate it.
-case "$1" in
-  aclocal*)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
-         to install the \`Automake' and \`Perl' packages.  Grab them from
-         any GNU archive site."
-    touch aclocal.m4
-    ;;
-
-  autoconf)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`${configure_ac}'.  You might want to install the
-         \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
-         archive site."
-    touch configure
-    ;;
-
-  autoheader)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`acconfig.h' or \`${configure_ac}'.  You might want
-         to install the \`Autoconf' and \`GNU m4' packages.  Grab them
-         from any GNU archive site."
-    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
-    test -z "$files" && files="config.h"
-    touch_files=
-    for f in $files; do
-      case "$f" in
-      *:*) touch_files="$touch_files "`echo "$f" |
-				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
-      *) touch_files="$touch_files $f.in";;
-      esac
-    done
-    touch $touch_files
-    ;;
-
-  automake*)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
-         You might want to install the \`Automake' and \`Perl' packages.
-         Grab them from any GNU archive site."
-    find . -type f -name Makefile.am -print |
-	   sed 's/\.am$/.in/' |
-	   while read f; do touch "$f"; done
-    ;;
-
-  autom4te)
-    echo 1>&2 "\
-WARNING: \`$1' is needed, but is $msg.
-         You might have modified some files without having the
-         proper tools for further handling them.
-         You can get \`$1' as part of \`Autoconf' from any GNU
-         archive site."
-
-    file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'`
-    test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`
-    if test -f "$file"; then
-	touch $file
-    else
-	test -z "$file" || exec >$file
-	echo "#! /bin/sh"
-	echo "# Created by GNU Automake missing as a replacement of"
-	echo "#  $ $@"
-	echo "exit 0"
-	chmod +x $file
-	exit 1
-    fi
-    ;;
-
-  bison|yacc)
-    echo 1>&2 "\
-WARNING: \`$1' $msg.  You should only need it if
-         you modified a \`.y' file.  You may need the \`Bison' package
-         in order for those modifications to take effect.  You can get
-         \`Bison' from any GNU archive site."
-    rm -f y.tab.c y.tab.h
-    if [ $# -ne 1 ]; then
-        eval LASTARG="\${$#}"
-	case "$LASTARG" in
-	*.y)
-	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
-	    if [ -f "$SRCFILE" ]; then
-	         cp "$SRCFILE" y.tab.c
-	    fi
-	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
-	    if [ -f "$SRCFILE" ]; then
-	         cp "$SRCFILE" y.tab.h
-	    fi
-	  ;;
-	esac
-    fi
-    if [ ! -f y.tab.h ]; then
-	echo >y.tab.h
-    fi
-    if [ ! -f y.tab.c ]; then
-	echo 'main() { return 0; }' >y.tab.c
-    fi
-    ;;
-
-  lex|flex)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified a \`.l' file.  You may need the \`Flex' package
-         in order for those modifications to take effect.  You can get
-         \`Flex' from any GNU archive site."
-    rm -f lex.yy.c
-    if [ $# -ne 1 ]; then
-        eval LASTARG="\${$#}"
-	case "$LASTARG" in
-	*.l)
-	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
-	    if [ -f "$SRCFILE" ]; then
-	         cp "$SRCFILE" lex.yy.c
-	    fi
-	  ;;
-	esac
-    fi
-    if [ ! -f lex.yy.c ]; then
-	echo 'main() { return 0; }' >lex.yy.c
-    fi
-    ;;
-
-  help2man)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-	 you modified a dependency of a manual page.  You may need the
-	 \`Help2man' package in order for those modifications to take
-	 effect.  You can get \`Help2man' from any GNU archive site."
-
-    file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
-    if test -z "$file"; then
-	file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
-    fi
-    if [ -f "$file" ]; then
-	touch $file
-    else
-	test -z "$file" || exec >$file
-	echo ".ab help2man is required to generate this page"
-	exit 1
-    fi
-    ;;
-
-  makeinfo)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified a \`.texi' or \`.texinfo' file, or any other file
-         indirectly affecting the aspect of the manual.  The spurious
-         call might also be the consequence of using a buggy \`make' (AIX,
-         DU, IRIX).  You might want to install the \`Texinfo' package or
-         the \`GNU make' package.  Grab either from any GNU archive site."
-    # The file to touch is that specified with -o ...
-    file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
-    if test -z "$file"; then
-      # ... or it is the one specified with @setfilename ...
-      infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
-      file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $infile`
-      # ... or it is derived from the source name (dir/f.texi becomes f.info)
-      test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
-    fi
-    # If the file does not exist, the user really needs makeinfo;
-    # let's fail without touching anything.
-    test -f $file || exit 1
-    touch $file
-    ;;
-
-  tar)
-    shift
-
-    # We have already tried tar in the generic part.
-    # Look for gnutar/gtar before invocation to avoid ugly error
-    # messages.
-    if (gnutar --version > /dev/null 2>&1); then
-       gnutar "$@" && exit 0
-    fi
-    if (gtar --version > /dev/null 2>&1); then
-       gtar "$@" && exit 0
-    fi
-    firstarg="$1"
-    if shift; then
-	case "$firstarg" in
-	*o*)
-	    firstarg=`echo "$firstarg" | sed s/o//`
-	    tar "$firstarg" "$@" && exit 0
-	    ;;
-	esac
-	case "$firstarg" in
-	*h*)
-	    firstarg=`echo "$firstarg" | sed s/h//`
-	    tar "$firstarg" "$@" && exit 0
-	    ;;
-	esac
-    fi
-
-    echo 1>&2 "\
-WARNING: I can't seem to be able to run \`tar' with the given arguments.
-         You may want to install GNU tar or Free paxutils, or check the
-         command line arguments."
-    exit 1
-    ;;
-
-  *)
-    echo 1>&2 "\
-WARNING: \`$1' is needed, and is $msg.
-         You might have modified some files without having the
-         proper tools for further handling them.  Check the \`README' file,
-         it often tells you about the needed prerequisites for installing
-         this package.  You may also peek at any GNU archive site, in case
-         some other package would contain this missing \`$1' program."
-    exit 1
-    ;;
-esac
-
-exit 0
-
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
-# End:
diff --git a/app/src/main/jni/pdnsd/pdnsd.spec.in b/app/src/main/jni/pdnsd/pdnsd.spec.in
deleted file mode 100644
index 6af6cde..0000000
--- a/app/src/main/jni/pdnsd/pdnsd.spec.in
+++ /dev/null
@@ -1,244 +0,0 @@
-# rpmbuild spec file for pdnsd.
-# with modifications by Paul Rombouts.
-
-# Supported rpmbuild --define and --with options include:
-#
-# --with isdn                   Configure with --enable-isdn.
-#
-# --without poll                Configure with --disable-poll
-#
-# --without nptl                Configure with --with-thread-lib=linuxthreads.
-#
-# --with ipv6                   Configure with --enable-ipv6.
-#
-# --without tcpqueries          Configure with --disable-tcp-queries.
-#
-# --without debug 	        Configure with --with-debug=0.
-#
-# --define "distro <distro>" 	Configure with --with-distribution=<distro>.
-#
-# --define "run_as_user <user>" Configure with --with-default-id=<user>.
-#                               For RPMs the default <user> is "@def_id@".
-#
-# --define "run_as_uid <uid>" 	If the user defined by the previous option does not exist
-#                               when the RPM is installed, the pre-install script will try
-#                               to create a new user with numerical id <uid>.
-#
-# --define "cachedir <dir>" 	Configure with --with-cachedir=<dir>.
-#
-
-%{!?distro: %define distro @distribution@}
-
-# The default run_as ID to use
-%{!?run_as_user: %define run_as_user @def_id@}
-# By default, if a new run_as_user is to be created, we let
-# useradd choose the numerical uid, unless run_as_uid is defined.
-#define run_as_uid 96
-%{!?cachedir: %define cachedir @cachedir@}
-%define conffile %{_sysconfdir}/pdnsd.conf
-
-Summary: A caching dns proxy for small networks or dialin accounts
-Name: @PACKAGE@
-Version: @VERSION@
-Release: @packagerelease@
-License: GPLv3
-Group:  Daemons
-Source: http://members.home.nl/p.a.rombouts/pdnsd/releases/%{name}-%{version}-%{release}.tar.gz
-URL: http://members.home.nl/p.a.rombouts/pdnsd.html
-Vendor: Paul A. Rombouts
-Packager:  Paul A. Rombouts <p.a.rombouts@xxxxxxx>
-Prefix: %{_prefix}
-BuildRoot: %{_tmppath}/%{name}-%{version}-root
-
-%description
-pdnsd is a proxy DNS daemon with permanent (disk-)cache and the ability
-to serve local records. It is designed to detect network outages or hangups
-and to prevent DNS-dependent applications like Netscape Navigator from hanging.
-
-The original author of pdnsd is Thomas Moestl, but pdnsd is no longer maintained
-by him. This is an extensively revised version by Paul A. Rombouts.
-For a description of the changes see http://members.home.nl/p.a.rombouts/pdnsd.html
-and the file README.par in %{_docdir}/%{name}-%{version}
-
-%{!?distro:You can specify the target distribution when you build the source RPM. For instance, if you're building for a Red Hat system call rpmbuild with:}
-%{!?distro:  --define "distro RedHat"}
-%{?distro:This package was built for a %{distro} distribution.}
-%{!?_with_isdn:It's possible to rebuild the source RPM with isdn support using the rpmbuild option:}
-%{!?_with_isdn:  --with isdn}
-%{?_with_isdn:This package was built with isdn support enabled.}
-%{!?_with_ipv6:It's possible to rebuild the source RPM with ipv6 support using the rpmbuild option:}
-%{!?_with_ipv6:  --with ipv6}
-%{?_with_ipv6:This package was built with ipv6 support.}
-%{?_without_poll:This package was built with the select(2) function instead of poll(2).}
-
-%prep
-%setup
-
-%build
-CFLAGS="${CFLAGS:-$RPM_OPT_FLAGS -Wall}" ./configure \
-	--prefix=%{_prefix} --sysconfdir=%{_sysconfdir} --mandir=%{_mandir} \
-	--with-cachedir="%{cachedir}" \
-	%{?distro:--with-distribution=%{distro}} --enable-specbuild \
-	--with-default-id=%{run_as_user} \
-	%{?_with_isdn:--enable-isdn} \
-	%{?_without_poll:--disable-poll} \
-	%{?_without_nptl:--with-thread-lib=linuxthreads} \
-	%{?_with_ipv6:--enable-ipv6} \
-	%{?_without_tcpqueries:--disable-tcp-queries} \
-	%{?_without_debug:--with-debug=0}
-
-make
-
-%install
-%if "%{run_as_user}" != "nobody"
-[ "$(id -un)" != root ] ||
-id -u %{run_as_user} > /dev/null 2>&1 ||
-/usr/sbin/useradd -c "Proxy DNS daemon" %{?run_as_uid:-u %{run_as_uid}} \
-	-s /sbin/nologin -r -d "%{cachedir}" %{run_as_user} || {
-  set +x
-  echo "Cannot create user \"%{run_as_user}\"%{?run_as_uid: with uid=%{run_as_uid}}"
-  echo "Please select another numerical uid and rebuild with --define \"run_as_uid uid\""
-  echo "or create a user named \"%{run_as_user}\" by hand and try again."
-  exit 1
-}
-%endif
-
-rm -rf "$RPM_BUILD_ROOT"
-make DESTDIR="$RPM_BUILD_ROOT" install
-cp -f file-list.base file-list
-find doc contrib -not -type d -not -iname '*makefile' -not -name '*.am' \
-                 -not -name '*.in' -not -path 'doc/*.pl' |
-sed -e 's/^/%doc --parents /'  >> file-list
-CURDIR=$PWD; cd "$RPM_BUILD_ROOT"
-find . -not -type d '(' -not -name 'pdnsd.conf*' -or -name 'pdnsd.conf.[1-9]*' ')' \
-       -not -path '.%{_docdir}/*' -not -path './var/*' |
-sed -e 's/^\.//
-        \:/man:{
-          /\.gz$/!s/$/.gz/
-        }'  >> "$CURDIR/file-list"
-
-%clean
-rm -rf "$RPM_BUILD_ROOT"
-#rm -rf %{_builddir}/%{name}-%{srcver}
-
-%files -f file-list
-
-%pre
-# First stop any running pdnsd daemons
-%if "%{distro}" == "SuSE"
-/sbin/init.d/pdnsd stop >/dev/null 2>&1
-%endif
-%if "%{distro}" == "RedHat"
-if [ -f /var/lock/subsys/pdnsd ]; then
-  if /sbin/pidof pdnsd > /dev/null; then
-    /sbin/service pdnsd stop >/dev/null 2>&1
-    if [ "$1" -ge 2 ]; then touch /var/lock/subsys/pdnsd; fi
-  else
-    rm -f /var/lock/subsys/pdnsd
-  fi
-fi
-%endif
-
-%if "%{run_as_user}" != "nobody"
-# Add the "pdnsd" user
-id -u %{run_as_user} > /dev/null 2>&1 ||
-/usr/sbin/useradd -c "Proxy DNS daemon" %{?run_as_uid:-u %{run_as_uid}} \
-	 -s /sbin/nologin -r -d "%{cachedir}" %{run_as_user} || {
-  echo "Cannot create user \"%{run_as_user}\"%{?run_as_uid: with uid=%{run_as_uid}}"
-  echo "Please create a user named \"%{run_as_user}\" by hand and try again."
-  exit 1
-}
-[ "$(id -gn %{run_as_user})" = %{run_as_user} ] || {
-  echo "user \"%{run_as_user}\" does not have an corresponding group called \"%{run_as_user}\""
-  echo "Please change the initial group of user \"%{run_as_user}\" to \"%{run_as_user}\" and try again."
-  exit 1
-}
-
-if [ -f "%{conffile}" ] &&
-    grep -v -e '^[[:blank:]]*\(#\|\/\/\)'  "%{conffile}" |
-    grep -q -e '\<run_as[[:blank:]]*=[[:blank:]]*"\?nobody"\?[[:blank:]]*;'
-then
-    echo "An existing pdnsd configuration file %{conffile} has been detected, containing the run_as user ID \"nobody\""
-    echo "For security reasons it is recommended that pdnsd run as a seperate user \"%{run_as_user}\""
-    mv -f "%{conffile}" "%{conffile}.rpmsave" &&
-    echo "Your original %{conffile} has been saved as %{conffile}.rpmsave" &&
-    sed -e '/^[[:blank:]]*\(#\|\/\/\)/!s/\(\<run_as[[:blank:]]*=[[:blank:]]*\)"\?nobody"\?[[:blank:]]*;/\1"%{run_as_user}";/g' \
-         "%{conffile}.rpmsave" > "%{conffile}" &&
-    echo "In %{conffile} runs_as=\"nobody\" has been replaced by run_as=\"%{run_as_user}\""
-fi
-%endif
-
-if [ -f "%{cachedir}/pdnsd.cache" ]; then
-    chown -c %{run_as_user}:%{run_as_user} "%{cachedir}/pdnsd.cache"
-fi
-
-%post
-%if "%{distro}" == "SuSE"
-if [ -w /etc/rc.config ]; then
-  grep "START_PDNSD" /etc/rc.config > /dev/null
-  if [ $? -ne 0 ] ; then
-    echo -e \
-"\n\n#\n# Set to yes to start pdnsd at boot time\n#\nSTART_PDNSD=yes" \
->> /etc/rc.config
-  fi
-fi
-%endif
-%if "%{distro}" == "RedHat"
-if [ "$1" = 1 ]; then
-  /sbin/chkconfig --add pdnsd
-fi
-%endif
-
-%preun
-%if "%{distro}" == "RedHat"
-if [ "$1" = 0 ]; then
-  /sbin/service pdnsd stop >/dev/null 2>&1
-  /sbin/chkconfig --del pdnsd
-fi
-%endif
-
-%postun
-%if "%{distro}" == "RedHat"
-if [ "$1" -ge 1 ]; then
-  /sbin/service pdnsd condrestart >/dev/null 2>&1
-fi
-%endif
-
-%changelog
-* Tue Jan 31 2012 Paul A. Rombouts <p.a.rombouts@xxxxxxx>
-- Prevent makefiles and perl scripts from being installed
-  in the documentation directory.
-* Sat Jan 28 2012 Paul A. Rombouts <p.a.rombouts@xxxxxxx>
-- Update the (Source) URLs.
-* Sat Aug  4 2007 Paul Rombouts <p.a.rombouts@xxxxxxx>
-- License is now GPL version 3
-* Fri Mar 24 2006 Paul Rombouts <p.a.rombouts@xxxxxxx>
-- Instead of using a fixed default value for run_as_uid,
-  I let useradd choose the uid if run_as_uid is undefined.
-* Thu Dec 29 2005 Paul Rombouts <p.a.rombouts@xxxxxxx>
-- TCP-query support is now compiled in by default,
-  but can be disabled using "--without tcpqueries".
-* Sun Jul 20 2003 Paul Rombouts <p.a.rombouts@xxxxxxx>
-- Changed default run_as ID from "nobody" to "pdnsd"
-* Fri Jun 20 2003 Paul Rombouts <p.a.rombouts@xxxxxxx>
-- Added configuration option for NPTL.
-* Sat Jun 07 2003 Paul Rombouts <p.a.rombouts@xxxxxxx>
-- Added automatic definition of distro using _vendor macro.
-* Thu May 22 2003 Paul Rombouts <p.a.rombouts@xxxxxxx>
-- Ensured that modification times of acconfig.h and configure.in
-  are not changed by patching to avoid unwanted reconfigure during make phase.
-* Tue May 20 2003 Paul Rombouts <p.a.rombouts@xxxxxxx>
-- Applied my customized patch file. See READ.par for details.
-* Sun May 16 2001 Thomas Moestl <tmoestl@xxxxxxx>
-- Make use of chkconfig for Red Hat (patch by Christian Engstler)
-* Sun Mar 25 2001 Thomas Moestl <tmoestl@xxxxxxx>
-- Merged SuSE fixes by Christian Engstler
-* Fri Feb 09 2001 Thomas Moestl <tmoestl@xxxxxxx>
-- Merged in a spec fix for mapage inclusion contributed by Sourav K.
-  Mandal
-* Sun Nov 26 2000 Thomas Moestl <tmoestl@xxxxxxx>
-- Added some patches contributed by Bernd Leibing
-* Tue Aug 15 2000 Thomas Moestl <tmoestl@xxxxxxx>
-- Added the distro for configure
-* Tue Jul 11 2000 Sourav K. Mandal <smandal@xxxxxxx>
-- autoconf/automake modifications
diff --git a/app/src/main/jni/pdnsd/src/Makefile.am b/app/src/main/jni/pdnsd/src/Makefile.am
deleted file mode 100644
index 959e669..0000000
--- a/app/src/main/jni/pdnsd/src/Makefile.am
+++ /dev/null
@@ -1,24 +0,0 @@
-
-sbin_PROGRAMS = pdnsd
-
-pdnsd_CFLAGS = -DCONFDIR='"$(sysconfdir)"' $(thread_CFLAGS)
-
-pdnsd_SOURCES = conf-parser.c conff.c consts.c debug.c dns.c dns_answer.c \
-	dns_query.c error.c helpers.c icmp.c list.c main.c netdev.c rr_types.c \
-	status.c servers.c thread.c cache.c hash.c conf-parser.h \
-	conf-keywords.h conff.h consts.h debug.h dns.h dns_answer.h \
-	dns_query.h error.h helpers.h icmp.h ipvers.h list.h netdev.h \
-	rr_types.h servers.h status.h thread.h cache.h hash.h pdnsd_assert.h \
-	freebsd_netinet_ip_icmp.h
-
-EXTRA_DIST = make_rr_types_h.pl rr_types.in
-
-## Try to do this last
-
-SUBDIRS = . pdnsd-ctl rc test
-
-$(pdnsd_OBJECTS): rr_types.h
-
-rr_types.h: make_rr_types_h.pl rr_types.in
-	perl make_rr_types_h.pl rr_types.in > rr_types.h
-
diff --git a/app/src/main/jni/pdnsd/src/Makefile.in b/app/src/main/jni/pdnsd/src/Makefile.in
deleted file mode 100644
index 75569a4..0000000
--- a/app/src/main/jni/pdnsd/src/Makefile.in
+++ /dev/null
@@ -1,921 +0,0 @@
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-	    $(am__relativize); \
-	    new_distdir=$$reldir; \
-	    dir1=$$subdir; dir2="$(top_distdir)"; \
-	    $(am__relativize); \
-	    new_top_distdir=$$reldir; \
-	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
-	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
-	    ($(am__cd) $$subdir && \
-	      $(MAKE) $(AM_MAKEFLAGS) \
-	        top_distdir="$$new_top_distdir" \
-	        distdir="$$new_distdir" \
-		am__remove_distdir=: \
-		am__skip_length_check=: \
-		am__skip_mode_fix=: \
-	        distdir) \
-	      || exit 1; \
-	  fi; \
-	done
-check-am: all-am
-check: check-recursive
-all-am: Makefile $(PROGRAMS)
-installdirs: installdirs-recursive
-installdirs-am:
-	for dir in "$(DESTDIR)$(sbindir)"; do \
-	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
-	done
-install: install-recursive
-install-exec: install-exec-recursive
-install-data: install-data-recursive
-uninstall: uninstall-recursive
-
-install-am: all-am
-	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
-
-installcheck: installcheck-recursive
-install-strip:
-	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	  `test -z '$(STRIP)' || \
-	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
-mostlyclean-generic:
-
-clean-generic:
-
-distclean-generic:
-	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
-
-maintainer-clean-generic:
-	@echo "This command is intended for maintainers to use"
-	@echo "it deletes files that may require special tools to rebuild."
-clean: clean-recursive
-
-clean-am: clean-generic clean-sbinPROGRAMS mostlyclean-am
-
-distclean: distclean-recursive
-	-rm -rf ./$(DEPDIR)
-	-rm -f Makefile
-distclean-am: clean-am distclean-compile distclean-generic \
-	distclean-tags
-
-dvi: dvi-recursive
-
-dvi-am:
-
-html: html-recursive
-
-html-am:
-
-info: info-recursive
-
-info-am:
-
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-install-dvi: install-dvi-recursive
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-install-dvi-am:
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-install-html: install-html-recursive
-
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-
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-install-pdf: install-pdf-recursive
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-install-ps: install-ps-recursive
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-
-installcheck-am:
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-maintainer-clean: maintainer-clean-recursive
-	-rm -rf ./$(DEPDIR)
-	-rm -f Makefile
-maintainer-clean-am: distclean-am maintainer-clean-generic
-
-mostlyclean: mostlyclean-recursive
-
-mostlyclean-am: mostlyclean-compile mostlyclean-generic
-
-pdf: pdf-recursive
-
-pdf-am:
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-ps: ps-recursive
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-ps-am:
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-uninstall-am: uninstall-sbinPROGRAMS
-
-.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) ctags-recursive \
-	install-am install-strip tags-recursive
-
-.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
-	all all-am check check-am clean clean-generic \
-	clean-sbinPROGRAMS ctags ctags-recursive distclean \
-	distclean-compile distclean-generic distclean-tags distdir dvi \
-	dvi-am html html-am info info-am install install-am \
-	install-data install-data-am install-dvi install-dvi-am \
-	install-exec install-exec-am install-html install-html-am \
-	install-info install-info-am install-man install-pdf \
-	install-pdf-am install-ps install-ps-am install-sbinPROGRAMS \
-	install-strip installcheck installcheck-am installdirs \
-	installdirs-am maintainer-clean maintainer-clean-generic \
-	mostlyclean mostlyclean-compile mostlyclean-generic pdf pdf-am \
-	ps ps-am tags tags-recursive uninstall uninstall-am \
-	uninstall-sbinPROGRAMS
-
-
-$(pdnsd_OBJECTS): rr_types.h
-
-rr_types.h: make_rr_types_h.pl rr_types.in
-	perl make_rr_types_h.pl rr_types.in > rr_types.h
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/app/src/main/jni/pdnsd/src/cache.c b/app/src/main/jni/pdnsd/src/cache.c
deleted file mode 100644
index 32d28cc..0000000
--- a/app/src/main/jni/pdnsd/src/cache.c
+++ /dev/null
@@ -1,2731 +0,0 @@
-/* cache.c - Keep the dns caches.
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2003, 2004, 2005, 2007, 2010, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <time.h>
-#include <errno.h>
-#include <pthread.h>
-#include <signal.h>
-#include <string.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <sys/time.h>
-#include "cache.h"
-#include "hash.h"
-#include "conff.h"
-#include "helpers.h"
-#include "dns.h"
-#include "error.h"
-#include "debug.h"
-#include "thread.h"
-#include "ipvers.h"
-
-
-/* A version identifier to prevent reading incompatible cache files */
-static const char cachverid[] = {'p','d','1','3'};
-
-/* CACHE STRUCTURE CHANGES IN PDNSD 1.0.0
- * Prior to version 1.0.0, the cache was managed at domain granularity (all records of a domain were handled as a unit),
- * which was suboptimal after the lean query feature and the additional record management were included.
- * From 1.0.0 on, the cache management was switched to act with RR set granularity. The API of the cache handlers was
- * slightly modified, in particular the rr_bucket_t was modified and some parameter list were changed. The cache
- * file format had to be changed and is incompatible now. This means that post-1.0.0p1 versions will not read the cache
- * files of older versions and vice versa. In addition, cache files from 1.0.0p5 on are incompatible to those of 1.0.0p1
- * to 1.0.0p4.  Better delete them before upgrading.
- * The "cent" lists common to old versions have vanished; the only access point to the cent's is the hash.
- * However, there are now double linked rrset lists. Thus, rrs can be acces through the hash or through the rrset lists.
- * The rrset list entries need some additional entries to manage the deletion from rrs lists as well as from the cents.
- *
- * Nearly all cache functions had to be changed significantly or even to be rewritten for that. Expect some beta time
- * because of that.
- * There are bonuses visible to the users resulting from this changes however: more consistent cache handling (under
- * some circumstances, rrs could be in the cache more than once) and reduced memory requirements, as no rr needs
- * to have stored its oname any more. There are more pointers however, and in some cases (CNAMES) the memory require-
- * ments for some records may increase. The total should be lower, however.
- *
- * RRSET_L LIST STRUCTURE:
- * The rrset_l rrset list is a simple double-linked list. The oldest entries are at the first positions, the list is sorted
- * by age in descending order. Search is done only on insert.
- * The rationale for this form is:
- * - the purging operation needs to be fast (this way, the first records are the oldest and can easily be purged)
- * - the append operation is common and needs to be fast (in normal operation, an appended record was just retrieved
- *   and therefore is the newest, so it can be appended at the end of the list without search. Only in the case of
- *   reading a disk cache file, searches are necessary)
- * The rrset list is excusively used for purging purposes.
- *
- * THE DISK CACHE FILES:
- * The disk cache file consists of cent's, i.e. structures for every known hostnames with a header and rrs attached to it.
- * Therefore, the rr's are not ordered by their age and a search must be performed to insert the into the rr_l in the
- * right positions. This operations has some costs (although not all too much), but the other way (rrs stored in order
- * of their age and the cent headers separated from them), the rrs would need to be attached to the cent headers, which
- * would be even more costly, also in means of disk space.
- *
- * CHANGES AFTER 1.0.0p1
- * In 1.0.0p5, the cache granularity was changed from rr level to rr set level. This was done because rfc2181 demands
- * rr set consistency constraints on rr set level and if we are doing so we can as well save space (and eliminate some
- * error-prone algorithms).
- *
- * CHANGES FOR 1.1.0p1
- * In this version, negative caching support was introduced. Following things were changed for that:
- * - new members ts, ttl and flags in dns_cent_t and dns_file_t
- * - new caching flag CF_NEGATIVE
- * - all functions must accept and deal correctly with empty cents with DF_NEGATIVE set.
- * - all functions must accept and deal correctly with empty rrsets with CF_NEGATIVE set.
- */
-
-
-/*
- * This is the size the memory cache may exceed the size of the permanent cache.
- */
-#define MCSZ 10240
-
-/* Some structs used for storing cache entries in a file. */
-typedef struct {
-	unsigned short   rdlen;
-/*	data (with length rdlen) follows here;*/
-} rr_fbucket_t;
-
-typedef struct {
-	unsigned char    tp;                      /* RR type */
-	unsigned char    num_rr;                  /* Number of records in RR set. */
-	unsigned short   flags;                   /* Flags for RR set. */
-	time_t           ttl;
-	time_t           ts;
-}  __attribute__((packed))
-rr_fset_t;
-
-#if NRRTOT>255
-#warning "Number of cache-able RR types is greater than 255. This can give problems when saving the cache to file."
-#endif
-
-typedef struct {
-	unsigned char    qlen;                    /* Length of the domain name which follows after the struct. */
-	unsigned char    num_rrs;                 /* Number of RR-sets. */
-	unsigned short   flags;                   /* Flags for the whole cent. */
-	unsigned char    c_ns,c_soa;              /* Number of trailing name elements in qname to use to find NS or SOA
-						     records to add to the authority section of a response. */
-     /* ttl and ts follow but only for negatively cached domains. */
-     /* qname (with length qlen) follows here. */
-}  __attribute__((packed))
-dns_file_t;
-
-
-/* TTL and timestamp for negatively cached domains. */
-typedef struct {
-	time_t           ttl;
-	time_t           ts;
-}  __attribute__((packed))
-dom_fttlts_t;
-
-/*
- * This has two modes: Normally, we have rrset, cent and idx filled in;
- * for negatively cached cents, we have rrset set to NULL and idx set to -1.
- */
-typedef struct rr_lent_s {
-	struct rr_lent_s *next;
-	struct rr_lent_s *prev;
-	rr_set_t         *rrset;
-	dns_cent_t       *cent;
-	int              idx;    /* This is the array index, not the type of the RR-set. */
-} rr_lent_t;
-
-
-static rr_lent_t *rrset_l=NULL;
-static rr_lent_t *rrset_l_tail=NULL;
-
-/*
- * We do not count the hash table sizes here. Those are very small compared
- * to the cache entries.
- */
-static volatile long cache_size=0;
-static volatile long ent_num=0;
-
-static volatile int cache_w_lock=0;
-static volatile int cache_r_lock=0;
-
-pthread_mutex_t lock_mutex = PTHREAD_MUTEX_INITIALIZER;
-/*
- * These are condition variables for lock coordination, so that normal lock
- * routines do not need to loop. Basically, a process wanting to acquire a lock
- * tries first to lock, and if the lock is busy, sleeps on one of the conds.
- * If the r lock count has gone to zero one process sleeping on the rw cond
- * will be awankened.
- * If the rw lock is lifted, either all threads waiting on the r lock or one
- * thread waiting on the rw lock is/are awakened. This is determined by policy.
- */
-pthread_cond_t  rw_cond = PTHREAD_COND_INITIALIZER;
-pthread_cond_t  r_cond = PTHREAD_COND_INITIALIZER;
-
-/* This is to suspend the r lock to avoid lock contention by reading threads */
-static volatile int r_pend=0;
-static volatile int rw_pend=0;
-static volatile int r_susp=0;
-
-/* This threshold is used to temporarily suspend r locking to give rw locking
- * a chance. */
-#define SUSP_THRESH(r_pend) (r_pend/2+2)
-
-/*
- * This is set to 1 once the lock is intialized. This must happen before we get
- * multiple threads.
- */
-volatile short int use_cache_lock=0;
-
-/*
-  This is set to 0 while cache is read from disk.
-  This must be set to 1 before we start adding new entries.
-*/
-static short int insert_sort=1;
-
-
-#ifdef ALLOC_DEBUG
-#define cache_free(ptr)		{ if (dbg) pdnsd_free(ptr); else free(ptr); }
-#define cache_malloc(sz)	((dbg)?(pdnsd_malloc(sz)):(malloc(sz)))
-#define cache_calloc(n,sz)	((dbg)?(pdnsd_calloc(n,sz)):(calloc(n,sz)))
-#define cache_realloc(ptr,sz)	((dbg)?(pdnsd_realloc(ptr,sz)):(realloc(ptr,sz)))
-#else
-#define cache_free(ptr)		{free(ptr);}
-#define cache_malloc(sz)	(malloc(sz))
-#define cache_calloc(n,sz)	(calloc(n,sz))
-#define cache_realloc(ptr,sz)	(realloc(ptr,sz))
-#endif
-
-
-/*
- * Prototypes for internal use
- */
-static void purge_cache(long sz, int lazy);
-static void del_cache_ent(dns_cent_t *cent,dns_hash_loc_t *loc);
-static void remove_rrl(rr_lent_t *le  DBGPARAM);
-
-/*
- * Locking functions.
- */
-
-/*
- * Lock/unlock cache for reading. Concurrent reads are allowed, while writes are forbidden.
- * DO NOT MIX THE LOCK TYPES UP WHEN LOCKING/UNLOCKING!
- *
- * We use a mutex to lock the access to the locks ;-).
- * This is because we do not allow read and write to interfere (for which a normal mutex would be
- * fine), but we also want to allow concurrent reads.
- * We use condition variables, and readlock contention protection.
- */
-static void lock_cache_r(void)
-{
-	if (!use_cache_lock)
-		return;
-	pthread_mutex_lock(&lock_mutex);
-	r_pend++;
-	while(((rw_pend>SUSP_THRESH(r_pend))?(r_susp=1):r_susp) || cache_w_lock) {
-		/* This will unlock the mutex while sleeping and relock it before exit */
-		pthread_cond_wait(&r_cond, &lock_mutex);
-	}
-	cache_r_lock++;
-	r_pend--;
-	pthread_mutex_unlock(&lock_mutex);
-}
-
-static void unlock_cache_r(void)
-{
-	if (!use_cache_lock)
-		return;
-	pthread_mutex_lock(&lock_mutex);
-	if (cache_r_lock>0)
-		cache_r_lock--;
-	/* wakeup threads waiting to write */
-	if (!cache_r_lock)
-		pthread_cond_signal(&rw_cond);
-	pthread_mutex_unlock(&lock_mutex);
-}
-
-/*
- * Lock/unlock cache for reading and writing. Concurrent reads and writes are forbidden.
- * Do this only if you actually modify the cache.
- * DO NOT MIX THE LOCK TYPES UP WHEN LOCKING/UNLOCKING!
- * (cant say it often enough)
- */
-static void lock_cache_rw(void)
-{
-	if (!use_cache_lock)
-		return;
-	pthread_mutex_lock(&lock_mutex);
-	rw_pend++;
-	while(cache_w_lock || cache_r_lock) {
-		/* This will unlock the mutex while sleeping and relock it before exit */
-		pthread_cond_wait(&rw_cond, &lock_mutex);
-	}
-	cache_w_lock=1;
-	rw_pend--;
-	pthread_mutex_unlock(&lock_mutex);
-}
-
-/* Lock cache for reading and writing, or time out after tm seconds. */
-static int timedlock_cache_rw(int tm)
-{
-	int retval=0;
-	struct timeval now;
-	struct timespec timeout;
-
-	if (!use_cache_lock)
-		return 0;
-	pthread_mutex_lock(&lock_mutex);
-	gettimeofday(&now,NULL);
-	timeout.tv_sec = now.tv_sec + tm;
-	timeout.tv_nsec = now.tv_usec * 1000;
-	rw_pend++;
-	while(cache_w_lock || cache_r_lock) {
-		/* This will unlock the mutex while sleeping and relock it before exit */
-		if(pthread_cond_timedwait(&rw_cond, &lock_mutex, &timeout) == ETIMEDOUT)
-			goto cleanup_return;
-	}
-	cache_w_lock=1;
-	retval=1;
- cleanup_return:
-	rw_pend--;
-	pthread_mutex_unlock(&lock_mutex);
-	return retval;
-}
-
-static void unlock_cache_rw(void)
-{
-	if (!use_cache_lock)
-		return;
-	pthread_mutex_lock(&lock_mutex);
-	cache_w_lock=0;
-	/* always reset r suspension (r locking code will set it again) */
-	r_susp=0;
-	/* wakeup threads waiting to read or write */
-	if (r_pend==0 || rw_pend>SUSP_THRESH(r_pend))
-		pthread_cond_signal(&rw_cond); /* schedule another rw proc */
-	else
-		pthread_cond_broadcast(&r_cond); /* let 'em all read */
-	pthread_mutex_unlock(&lock_mutex);
-}
-
-
-/*
-  If there are other threads waiting to read from or write to
-  the cache, give up the read/write lock on the cache to give another
-  thread a chance; then try to get the lock back again.
-  This can be called regularly during a process that takes
-  a lot of processor time but has low priority, in order to improve
-  overall responsiveness.
-*/
-static void yield_lock_cache_rw()
-{
-	if (!use_cache_lock || (!r_pend && !rw_pend))
-		return;
-
-	/* Give up the lock */
-	pthread_mutex_lock(&lock_mutex);
-	cache_w_lock=0;
-	/* always reset r suspension (r locking code will set it again) */
-	r_susp=0;
-	/* wakeup threads waiting to read or write */
-	if (r_pend==0 || rw_pend>SUSP_THRESH(r_pend))
-		pthread_cond_signal(&rw_cond); /* schedule another rw proc */
-	else
-		pthread_cond_broadcast(&r_cond); /* let 'em all read */
-	pthread_mutex_unlock(&lock_mutex);
-
-	usleep_r(1000);
-
-	/* Now try to get the lock back again */
-	pthread_mutex_lock(&lock_mutex);
-	rw_pend++;
-	while(cache_w_lock || cache_r_lock) {
-		/* This will unlock the mutex while sleeping and relock it before exit */
-		pthread_cond_wait(&rw_cond, &lock_mutex);
-	}
-	cache_w_lock=1;
-	rw_pend--;
-	pthread_mutex_unlock(&lock_mutex);
-}
-
-/* These are a special version of the ordinary read lock functions. The lock "soft" to avoid deadlocks: they will give up
- * after a certain number of bad trials. You have to check the exit status though.
- * To avoid blocking mutexes, we cannot use condition variables here. Never mind, these are only used on
- * exit. */
-static int softlock_cache_r(void)
-{
-	if (!use_cache_lock)
-		return 0;
-	{
-		int lk=0,tr=0;
-
-		for(;;) {
-			if (!softlock_mutex(&lock_mutex))
-				return 0;
-			if(!cache_w_lock) {
-				lk=1;
-				cache_r_lock++;
-			}
-			pthread_mutex_unlock(&lock_mutex);
-			if (lk) break;
-			if (++tr>=SOFTLOCK_MAXTRIES)
-				return 0;
-			usleep_r(1000); /*give contol back to the scheduler instead of hammering the lock close*/
-		}
-	}
-	return 1;
-}
-
-/* On unlocking, we do not wake others. We are about to exit! */
-static int softunlock_cache_r(void)
-{
-	if (!use_cache_lock)
-		return 0;
-	if (!softlock_mutex(&lock_mutex))
-		return 0;
-	if (cache_r_lock>0)
-		cache_r_lock--;
-	pthread_mutex_unlock(&lock_mutex);
-	return 1;
-}
-
-static int softlock_cache_rw(void)
-{
-	if (!use_cache_lock)
-		return 0;
-	{
-		int lk=0,tr=0;
-
-		for(;;) {
-			if (!softlock_mutex(&lock_mutex))
-				return 0;
-			if (!(cache_w_lock || cache_r_lock)) {
-				lk=1;
-				cache_w_lock=1;
-			}
-			pthread_mutex_unlock(&lock_mutex);
-			if(lk) break;
-			if (++tr>=SOFTLOCK_MAXTRIES)
-				return 0;
-			usleep_r(1000); /*give contol back to the scheduler instead of hammering the lock close*/
-		}
-	}
-	return 1;
-}
-
-static int softunlock_cache_rw(void)
-{
-	if (!use_cache_lock)
-		return 0;
-	if (!softlock_mutex(&lock_mutex))
-		return 0;
-	cache_w_lock=0;
-	pthread_mutex_unlock(&lock_mutex);
-	return 1;
-}
-
-/*
- * Serial numbers: Serial numbers are used when additional records are added to the cache: serial numbers are unique to each
- * query, so we can determine whether data was added by the query just executed (records can coexist) or not (records must
- * be replaced). A serial of 0 is special and will not be used by any query. All records added added authoritatively (as
- * chunk) or read from a file can have no query in process and therefore have serial 0, which is != any other serial.
- */
-#if 0
-unsigned long l_serial=1;
-
-unsigned long get_serial()
-{
-	unsigned long rv;
-	lock_cache_rw();
-	rv=l_serial++;
-	unlock_cache_rw();
-	return rv;
-}
-#endif
-
-/*
- * Cache/cent handlers
- */
-
-/* Initialize the cache. Call only once. */
-#if 0
-void init_cache()
-{
-	mk_hash_ctable();
-	mk_dns_hash();
-}
-#endif
-
-/* Initialize the cache lock. Call only once. */
-/* This is now defined as an inline function in cache.h */
-#if 0
-void init_cache_lock()
-{
-
-	use_cache_lock=1;
-}
-#endif
-
-/* Empty the cache, freeing all entries that match the include/exclude list. */
-int empty_cache(slist_array sla)
-{
-	int i;
-
-	/* Wait at most 60 seconds to obtain a lock. */
-	if(!timedlock_cache_rw(60))
-		return 0;
-
-	for(i=0; ; ) {
-		if(sla)
-			free_dns_hash_selected(i,sla);
-		else
-			free_dns_hash_bucket(i);
-		if(++i>=HASH_NUM_BUCKETS)
-			break;
-		/* Give another thread a chance */
-		yield_lock_cache_rw();
-	}
-
-	unlock_cache_rw();
-	return 1;
-}
-
-/* Delete the cache. Call only once */
-void destroy_cache()
-{
-	/* lock the cache, in case that any thread is still accessing. */
-	if(!softlock_cache_rw()) {
-		log_error("Lock failed; could not destroy cache on exit.");
-		return;
-	}
-	free_dns_hash();
-#if DEBUG>0
-	if(ent_num || cache_size) {
-		DEBUG_MSG("After destroying cache, %ld entries (%ld bytes) remaining.\n",ent_num,cache_size);
-	}
-#endif
-
-#if 0
-#if (TARGET!=TARGET_LINUX)
-	/* under Linux, this frees no resources but may hang on a crash */
-	pthread_mutex_destroy(&lock_mutex);
-	pthread_cond_destroy(&rw_cond);
-	pthread_cond_destroy(&r_cond);
-#endif
-#endif
-}
-
-/* Make a flag value for a dns_cent_t (dns cache entry) from a server record */
-/* Now defined as inline function in cache.h */
-#if 0
-unsigned int mk_flag_val(servparm_t *server)
-{
-	unsigned int fl=0;
-	if (!server->purge_cache)
-		fl|=CF_NOPURGE;
-	if (server->nocache)
-		fl|=CF_NOCACHE;
-	if (server->rootserver)
-		fl|=CF_ROOTSERV;
-	return fl;
-}
-#endif
-
-/* Initialize a dns cache record (dns_cent_t) with the query name (in
- * transport format), a flag value, a timestamp indicating
- * the time the query was done, and a TTL. The timestamp and TTL
- * are only used if DF_NEGATIVE is set in the flags. Otherwise,
- * the timestamps of the individual records are used. DF_NEGATIVE
- * is used for whole-domain negative caching.
- * By convention, ttl and ts should be set to 0, unless the
- * DF_NEGATIVE bit is set. */
-int init_cent(dns_cent_t *cent, const unsigned char *qname, time_t ttl, time_t ts, unsigned flags  DBGPARAM)
-{
-	int i;
-	size_t namesz=rhnlen(qname);
-
-	cent->qname=cache_malloc(namesz);
-	if (cent->qname == NULL)
-		return 0;
-	memcpy(cent->qname,qname,namesz);
-	cent->cs=sizeof(dns_cent_t)+namesz;
-	cent->num_rrs=0;
-	cent->flags=flags;
-	if(flags&DF_NEGATIVE) {
-		cent->neg.lent=NULL;
-		cent->neg.ttl=ttl;
-		cent->neg.ts=ts;
-	}
-	else {
-		for(i=0; i<NRRMU; ++i)
-			cent->rr.rrmu[i]=NULL;
-		cent->rr.rrext=NULL;
-	}
-	cent->c_ns=cundef;
-	cent->c_soa=cundef;
-	return 1;
-}
-
-/*
- * Create a rr record holder using the given values.
- */
-static rr_bucket_t *create_rr(unsigned dlen, void *data  DBGPARAM)
-{
-	rr_bucket_t *rrb;
-	rrb=(rr_bucket_t *)cache_malloc(sizeof(rr_bucket_t)+dlen);
-	if (rrb == NULL)
-		return NULL;
-	rrb->next=NULL;
-
-	rrb->rdlen=dlen;
-	memcpy(rrb->data,data,dlen);
-	return rrb;
-}
-
-/*
- * Adds an empty rrset_t with the requested data to a cent. This is exactly what you need to
- * do to create a negatively cached cent.
- */
-static int add_cent_rrset_by_index(dns_cent_t *cent, unsigned int idx, time_t ttl, time_t ts, unsigned flags  DBGPARAM)
-{
-	rr_set_t **rrext, **rrsetpa, *rrset;
-
-	/* If we add a rrset, even a negative one, the domain is not negative any more. */
-	if (cent->flags&DF_NEGATIVE) {
-		int i;
-		/* need to remove the cent from the lent list. */
-		if (cent->neg.lent)
-			remove_rrl(cent->neg.lent  DBGARG);
-		cent->flags &= ~DF_NEGATIVE;
-		for(i=0; i<NRRMU; ++i)
-			cent->rr.rrmu[i]=NULL;
-		cent->rr.rrext=NULL;
-	}
-
-	if(idx < NRRMU)
-		rrsetpa = &cent->rr.rrmu[idx];
-	else {
-		idx -= NRRMU;
-		PDNSD_ASSERT(idx < NRREXT, "add_cent_rrset_by_index: rr-set index out of range");
-		rrext = cent->rr.rrext;
-		if(!rrext) {
-			int i;
-			cent->rr.rrext = rrext = cache_malloc(sizeof(rr_set_t*)*NRREXT);
-			if(!rrext)
-				return 0;
-			for(i=0; i<NRREXT; ++i)
-				rrext[i]=NULL;
-			cent->cs += sizeof(rr_set_t*)*NRREXT;
-		}
-		rrsetpa = &rrext[idx];
-	}
-
-#if 0
-	if(*rrsetpa) del_rrset(*rrsetpa);
-#endif
-	*rrsetpa = rrset = cache_malloc(sizeof(rr_set_t));
-	if (!rrset)
-		return 0;
-	rrset->lent=NULL;
-	rrset->ttl=ttl;
-	rrset->ts=ts;
-	rrset->flags=flags;
-	rrset->rrs=NULL;
-	cent->cs += sizeof(rr_set_t);
-	++cent->num_rrs;
-	return 1;
-}
-
-int add_cent_rrset_by_type(dns_cent_t *cent, int type, time_t ttl, time_t ts, unsigned flags  DBGPARAM)
-{
-	int tpi = type - T_MIN;
-
-	PDNSD_ASSERT(tpi>=0 && tpi<T_NUM, "add_cent_rrset_by_type: rr type value out of range");
-	return add_cent_rrset_by_index(cent, rrlkuptab[tpi], ttl, ts, flags  DBGARG);
-}
-
-
-/*
- * Adds a rr record to a cent. For cache.c internal use.
- * idx is the internally used RR-set index, not the RR type!
- */
-static int add_cent_rr_int(dns_cent_t *cent, unsigned int idx, time_t ttl, time_t ts, unsigned flags,
-			   unsigned dlen, void *data, rr_bucket_t **rtail  DBGPARAM)
-{
-	rr_bucket_t *rr;
-	rr_set_t *rrset;
-
-	if (!(rr=create_rr(dlen,data  DBGARG)))
-		return 0;
-	if(!(rtail && *rtail)) {
-		rrset = RRARR_INDEX_TESTEXT(cent,idx);
-		if (!rrset) {
-			if (!add_cent_rrset_by_index(cent, idx, ttl, ts, flags  DBGARG))
-				goto cleanup_return;
-			rrset = RRARR_INDEX(cent,idx);
-		}
-		/* do the linking work */
-		rr->next=rrset->rrs;
-		rrset->rrs=rr;
-	}
-	else {
-		/* append at the end */
-		rr->next=(*rtail)->next;
-		(*rtail)->next=rr;
-	}
-	if(rtail) *rtail=rr;
-	cent->cs += sizeof(rr_bucket_t)+rr->rdlen;
-#if DEBUG>0
-	if(debug_p) {
-		rrset = RRARR_INDEX(cent,idx);
-		if (rrset->flags&CF_NEGATIVE) {
-			char cflagstr[CFLAGSTRLEN];
-			DEBUG_MSG("Tried to add rr to a rrset with CF_NEGATIVE set! flags=%s\n",cflags2str(rrset->flags,cflagstr));
-		}
-	}
-#endif
-	return 1;
-
- cleanup_return:
-	free_rr(*rr);
-	free(rr);
-	return 0;
-}
-
-
-/* Add an rr to a cache entry, giving the ttl, the data length, the rr type
- * and a pointer to the data. A record is allocated, and the data is copied into
- * it. Do this for all rrs in a cache entry.
- * The return value will be 1 in case of success, or 0 in case of a memory allocation
- * problem.
- */
-int add_cent_rr(dns_cent_t *cent, int type, time_t ttl, time_t ts, unsigned flags,
-		unsigned dlen, void *data  DBGPARAM)
-{
-	int tpi;
-	unsigned int idx;
-	rr_set_t *rrset;
-	rr_bucket_t *rtail, *rrb;
-
-	if ((cent->flags&DF_LOCAL) && !(flags&CF_LOCAL))
-		return 1;  /* ignore. Local has precedence. */
-
-	tpi = type - T_MIN;
-	PDNSD_ASSERT(tpi>=0 && tpi<T_NUM, "add_cent_rr: rr type value out of range");
-	idx= rrlkuptab[tpi];
-	PDNSD_ASSERT(idx < NRRTOT, "add_cent_rr: illegal rr type value for caching");
-	rrset= RRARR_INDEX_TESTEXT(cent,idx);
-	rtail=NULL;
-
-	if (rrset) {
-		if(ttl<rrset->ttl)
-			/* The ttl timestamps should be identical.
-			   In case they are not, we will use the smallest one. */
-			rrset->ttl= ttl;
-
-		/* OK, some stupid nameservers feel inclined to return the same address twice. Grmbl... */
-		rrb=rrset->rrs;
-		while (rrb) {
-			if (rrb->rdlen==dlen && memcmp(rrb->data,data,dlen)==0)
-				return 1;
-			rtail=rrb;
-			rrb=rrb->next;
-		}
-	}
-	return add_cent_rr_int(cent,idx,ttl,ts,flags,dlen,data,&rtail  DBGARG);
-}
-
-/* Free a complete rrset including all memory. Returns the size of the memory freed */
-int del_rrset(rr_set_t *rrs  DBGPARAM)
-{
-	int rv=sizeof(rr_set_t);
-	rr_bucket_t *rrb,*rrn;
-
-	if(rrs->lent) remove_rrl(rrs->lent  DBGARG);
-	rrb=rrs->rrs;
-	while (rrb) {
-		rv+=sizeof(rr_bucket_t)+rrb->rdlen;
-		rrn=rrb->next;
-		free_rr(*rrb);
-		cache_free(rrb);
-		rrb=rrn;
-	}
-	cache_free(rrs);
-	return rv;
-}
-
-/* Remove a complete rrset from a cent, freeing the memory.
-   The second argument should be an RR-set array index, not an RR type!
-   Returns the size of the memory freed */
-static int del_cent_rrset_by_index(dns_cent_t *cent, int i  DBGPARAM)
-{
-	int rv=0;
-	rr_set_t **rrspa = RRARR_INDEX_PA_TESTEXT(cent,i);
-
-	if(rrspa) {
-		rr_set_t *rrs = *rrspa;
-		if(rrs) {
-			rv= del_rrset(rrs  DBGARG);
-			*rrspa=NULL;
-			--cent->num_rrs;
-			cent->cs -= rv;
-			cent->flags &= ~DF_AUTH;
-		}
-	}
-	return rv;
-}
-
-#if 0
-static int del_cent_rrset_by_type(dns_cent_t *cent, int type  DBGPARAM)
-{
-	return del_cent_rrset_by_index(cent, rrlkuptab[type-T_MIN]  DBGARG);
-}
-#endif
-
-#if 0
-/* Free the pointers contained in an rr record. If the rr record is on the heap,
- * don't forget to delete itself. This is done extra mainly for extensibility
- * -- This is not here any more. The definition is actually an empty macro in
- * cache.h.
- */
-void free_rr(rr_bucket_t rr)
-{
-}
-#endif
-
-/* Free all data referred by a cache entry. */
-void free_cent(dns_cent_t *cent  DBGPARAM)
-{
-	cache_free(cent->qname);
-	if(cent->flags&DF_NEGATIVE) {
-		if(cent->neg.lent)
-			remove_rrl(cent->neg.lent  DBGARG);
-	}
-	else {
-		int i;
-		for (i=0; i<NRRMU; ++i) {
-			rr_set_t *rrs=cent->rr.rrmu[i];
-			if (rrs) del_rrset(rrs  DBG0);
-		}
-		{
-			rr_set_t **rrext = cent->rr.rrext;
-			if(rrext) {
-				for(i=0; i<NRREXT; ++i) {
-					rr_set_t *rrs=rrext[i];
-					if (rrs) del_rrset(rrs  DBG0);
-				}
-				cache_free(rrext);
-			}
-		}
-	}
-}
-
-/* Same as free_cent, but is suitable as cleanup handler */
-void free_cent0(void *ptr)
-{
-	free_cent(ptr  DBG0);
-}
-
-/* Negate an existing cache entry and free any existing rr sets. */
-void negate_cent(dns_cent_t *cent, time_t ttl, time_t ts)
-{
-	int i;
-
-	if(!(cent->flags&DF_NEGATIVE)) {
-		for (i=0; i<NRRMU; ++i) {
-			rr_set_t *rrs=cent->rr.rrmu[i];
-			if (rrs) {
-				cent->cs -= del_rrset(rrs  DBG0);
-				/* cent->rr.rrmu[i]=NULL; */
-			}
-		}
-		{
-			rr_set_t **rrext = cent->rr.rrext;
-			if(rrext) {
-				for(i=0; i<NRREXT; ++i) {
-					rr_set_t *rrs=rrext[i];
-					if (rrs)
-						cent->cs -= del_rrset(rrs  DBG0);
-				}
-				cache_free(rrext);
-				/* cent->rr.rrext=NULL; */
-				cent->cs -= sizeof(rr_set_t*)*NRREXT;
-			}
-		}
-		cent->num_rrs=0;
-		cent->flags |= DF_NEGATIVE;
-		cent->neg.lent=NULL;
-	}
-
-	cent->neg.ttl=ttl;
-	cent->neg.ts=ts;
-}
-
-inline static time_t get_rrlent_ts(rr_lent_t *le)
-{
-	return (le->rrset)?(le->rrset->ts):(le->cent->neg.ts);
-}
-
-/* insert a rrset into the rr_l list. This modifies the rr_set_t if rrs is not NULL!
- * The rrset address needs to be constant afterwards.
- * idx is the internally used RR-set index, not the RR type!
- * Call with locks applied. */
-static int insert_rrl(rr_set_t *rrs, dns_cent_t *cent, int idx)
-{
-	time_t ts;
-	rr_lent_t *le,*ne;
-
-	/* No need to add local records to the rr_l list, because purge_cache() ignores them anyway. */
-	if((rrs && (rrs->flags&CF_LOCAL)) || (cent->flags&DF_LOCAL))
-		return 1;
-
-	if (!(ne=malloc(sizeof(rr_lent_t))))
-		return 0;
-	ne->rrset=rrs;
-	ne->cent=cent;
-	ne->idx=idx;
-	ne->next=NULL;
-	ne->prev=NULL;
-
-	if(insert_sort) {
-		/* Since the append at the and is a very common case (and we want this case to be fast), we search back-to-forth.
-		 * Since rr_l is a list and we don't really have fast access to all elements, we do not perform an advanced algorithm
-		 * like binary search.*/
-		ts=get_rrlent_ts(ne);
-		le=rrset_l_tail;
-		while (le) {
-			if (ts>=get_rrlent_ts(le)) goto found;
-			le=le->prev;
-		}
-		/* not found, so it needs to be inserted at the start of the list. */
-		ne->next=rrset_l;
-		if (rrset_l)
-			rrset_l->prev=ne;
-		else
-			rrset_l_tail=ne;
-		rrset_l=ne;
-		goto finish;
-	found:
-		ne->next=le->next;
-		ne->prev=le;
-		if (le->next)
-			le->next->prev=ne;
-		else
-			rrset_l_tail=ne;
-		le->next=ne;
-	finish:;
-	}
-	else {
-		/* simply append at the end, sorting will be done later with a more efficient algorithm. */
-		ne->prev=rrset_l_tail;
-		if(rrset_l_tail)
-			rrset_l_tail->next=ne;
-		else
-			rrset_l=ne;
-		rrset_l_tail=ne;
-	}
-
-	if (rrs)
-		rrs->lent=ne;
-	else
-		cent->neg.lent=ne;
-
-	return 1;
-}
-
-/* Remove a rr from the rr_l list. Call with locks applied. */
-static void remove_rrl(rr_lent_t *le  DBGPARAM)
-{
-	rr_lent_t *next=le->next,*prev=le->prev;
-	if (next)
-		next->prev=prev;
-	else
-		rrset_l_tail=prev;
-	if (prev)
-		prev->next=next;
-	else
-		rrset_l=next;
-	cache_free(le);
-}
-
-
-/* Merge two sorted rr_l lists to make a larger sorted list.
-   The lists are sorted according to increasing time-stamp.
-   The back links are ignored, these must be fixed using a separate pass.
-*/
-static rr_lent_t *listmerge(rr_lent_t *p, rr_lent_t *q)
-{
-
-	if(!p)
-		return q;
-	else if(!q)
-		return p;
-	else {
-		rr_lent_t *l=NULL, **s= &l;
-
-		for(;;) {
-			if(get_rrlent_ts(p) <= get_rrlent_ts(q)) {
-				*s= p;
-				s= &p->next;
-				p= *s;
-				if(!p) {
-					*s= q;
-					break;
-				}
-			}
-			else { /* get_rrlent_ts(p) > get_rrlent_ts(q) */
-				*s= q;
-				s= &q->next;
-				q= *s;
-				if(!q) {
-					*s= p;
-					break;
-				}
-			}
-		}
-
-		return l;
-	}
-}
-
-/* Sort the rr_l list using merge sort, which can be more efficient than insertion sort used by rr_insert().
-   This algorithm is adapted from the GNU C++ STL implementation for list containers.
-   Call with locks applied.
-   Written by Paul Rombouts.
-*/
-static void sort_rrl()
-{
-	/* Do nothing unless the list has length >= 2. */
-	if(rrset_l && rrset_l->next) {
-		/* First sort the list ignoring the back links, these will be fixed later. */
-#               define NTMPSORT 32
-		/* Because we use an array of fixed length, the length of the list we can sort
-		   is bounded by pow(2,NTMPSORT)-1. */
-		rr_lent_t *tmp[NTMPSORT];  /* tmp[i] will either be NULL or point to a sorted list of length pow(2,i). */
-		rr_lent_t **fill= tmp, **end=tmp+NTMPSORT, **counter;
-		rr_lent_t *rem= rrset_l, *carry;
-
-		do {
-			carry=rem; rem=rem->next;
-			carry->next=NULL;
-			for(counter = tmp; counter!=fill && *counter!=NULL; ++counter) {
-				carry=listmerge(*counter,carry);
-				*counter=NULL;
-			}
-
-			PDNSD_ASSERT(counter!=end, "sort_rrl: tmp array overflowed");
-
-			*counter=carry;
-
-			if(counter==fill) ++fill;
-		}
-		while(rem);
-
-		/* Merge together all the remaining list fragments contained in array tmp. */
-		carry= tmp[0];
-		counter= tmp;
-		while(++counter!=fill)
-			carry=listmerge(*counter,carry);
-
-		rrset_l= carry;
-
-		{
-			/* Restore the backward links. */
-			rr_lent_t *p,*q=NULL;
-			for(p=rrset_l; p; p=p->next) {p->prev=q; q=p;}
-			rrset_l_tail=q;
-		}
-	}
-}
-
-
-/* Copy a rr_bucket_t into newly allocated memory */
-inline static rr_bucket_t *copy_rr(rr_bucket_t *rr  DBGPARAM)
-{
-	rr_bucket_t *rrn;
-	rrn=cache_malloc(sizeof(rr_bucket_t)+rr->rdlen);
-	if (rrn == NULL)
-		return NULL;
-	memcpy(rrn,rr,sizeof(rr_bucket_t)+rr->rdlen);
-	rrn->next=NULL;
-	return rrn;
-}
-
-
-/* Copy an RR set into newly allocated memory */
-static rr_set_t *copy_rrset(rr_set_t *rrset  DBGPARAM)
-{
-	rr_set_t *rrsc=cache_malloc(sizeof(rr_set_t));
-	rr_bucket_t *rr,**rrp;
-	if (rrsc) {
-		*rrsc=*rrset;
-		rrsc->lent=NULL;
-		rrp=&rrsc->rrs;
-		rr=rrset->rrs;
-		while(rr) {
-			rr_bucket_t *rrc=copy_rr(rr  DBGARG);
-			*rrp=rrc;
-			if (!rrc) goto cleanup_return;
-			rrp=&rrc->next;
-			rr=rr->next;
-		}
-	}
-	return rrsc;
-
-cleanup_return:
-	del_rrset(rrsc  DBG0);
-	return NULL;
-}
-
-
-/* Copy a cache entry into newly allocated memory */
-dns_cent_t *copy_cent(dns_cent_t *cent  DBGPARAM)
-{
-	dns_cent_t *copy;
-
-	/*
-	 * We do not debug cache internals with it, as mallocs seem to be
-	 * "lost" when they enter the cache for a longer time.
-	 */
-	if (!(copy=cache_malloc(sizeof(dns_cent_t))))
-		return NULL;
-
-	{
-		/* copy the name */
-		size_t namesz=rhnlen(cent->qname);
-		if (!(copy->qname=cache_malloc(namesz)))
-			goto free_return_null;
-
-		memcpy(copy->qname,cent->qname,namesz);
-	}
-	copy->cs= cent->cs;
-	copy->num_rrs= cent->num_rrs;
-	copy->flags= cent->flags;
-	copy->c_ns = cent->c_ns;
-	copy->c_soa= cent->c_soa;
-	if(cent->flags&DF_NEGATIVE) {
-		copy->neg.lent=NULL;
-		copy->neg.ttl= cent->neg.ttl;
-		copy->neg.ts = cent->neg.ts;
-	}
-	else {
-		int i, ilim;
-		for (i=0; i<NRRMU; ++i)
-			copy->rr.rrmu[i]=NULL;
-		copy->rr.rrext=NULL;
-
-		ilim = NRRMU;
-		if(cent->rr.rrext) {
-			rr_set_t **rrextc;
-			ilim = NRRTOT;
-			copy->rr.rrext = rrextc = cache_malloc(sizeof(rr_set_t*)*NRREXT);
-			if(!rrextc) goto free_cent_return_null;
-
-			for (i=0; i<NRREXT; ++i)
-				rrextc[i]=NULL;
-		}
-
-		for (i=0; i<ilim; ++i) {
-			rr_set_t *rrset= RRARR_INDEX(cent,i);
-			if (rrset) {
-				rr_set_t *rrsc=cache_malloc(sizeof(rr_set_t));
-				rr_bucket_t *rr,**rrp;
-				*RRARR_INDEX_PA(copy,i)=rrsc;
-				if (!rrsc)
-					goto free_cent_return_null;
-				*rrsc=*rrset;
-				rrsc->lent=NULL;
-				rrp=&rrsc->rrs;
-				rr=rrset->rrs;
-				while(rr) {
-					rr_bucket_t *rrc=copy_rr(rr  DBGARG);
-					*rrp=rrc;
-					if (!rrc) goto free_cent_return_null;
-					rrp=&rrc->next;
-					rr=rr->next;
-				}
-			}
-		}
-	}
-	return copy;
-
- free_cent_return_null:
-	free_cent(copy  DBGARG);
- free_return_null:
-	cache_free(copy);
-	return NULL;
-}
-
-/*
- * Remove all timed out entries of the RR set with the given index.
- * idx is the internally used RR-set index, not the RR type!
- * Follow some rules based on flags etc.
- * This will either delete the whole rrset, or will leave it as a whole (RFC2181 seems to
- * go in that direction)
- * This was pretty large once upon a time ;-), but now, since we operate in rrsets, was
- * shrunk drastically.
- * If test is zero and the record is in the cache, we need rw-locks applied.
- * If test is nonzero, nothing will actually be deleted.
- * Substracts the size of the freed memory from cache_size (if test is zero).
- * Returns 1 if the rrset has been (or would have been) deleted.
- */
-static int purge_rrset(dns_cent_t *cent, int idx, int test)
-{
-	rr_set_t *rrs= RRARR_INDEX_TESTEXT(cent,idx);
-	if (rrs && !(rrs->flags&CF_NOPURGE || rrs->flags&CF_LOCAL) && timedout(rrs)) {
-		/* well, it must go. */
-		if(!test)
-			cache_size -= del_cent_rrset_by_index(cent,idx  DBG0);
-		return 1;
-	}
-	return 0;
-}
-
-/*
-  Remove all timed out entries of alls RR sets of a cache entry.
-  The test flag works the same as in purge_rrset().
-  Substracts the size of the freed memory from cache_size, just as purge_rrset().
-  *numrrsrem is set to the number of remaining RR sets (or the number that would have remained).
-  Returns the number of items (RR sets or RR set arrays) that have been (or would have been) deleted.
-*/
-static int purge_all_rrsets(dns_cent_t *cent, int test, int *numrrsrem)
-{
-	int rv=0, numrrs=0, numrrext=0;
-
-	if(!(cent->flags&DF_NEGATIVE)) {
-		int i, ilim= RRARR_LEN(cent);
-		for(i=0; i<ilim; ++i) {
-			rr_set_t *rrs= RRARR_INDEX(cent,i);
-			if (rrs) {
-				if(!(rrs->flags&CF_NOPURGE || rrs->flags&CF_LOCAL) && timedout(rrs)) {
-					/* well, it must go. */
-					if(!test)
-						cache_size -= del_cent_rrset_by_index(cent, i  DBG0);
-					++rv;
-				}
-				else {
-					++numrrs;
-					if(i>=NRRMU) ++numrrext;
-				}
-			}
-		}
-
-		/* If the array of less frequently used RRs has become empty, free it. */
-		if(cent->rr.rrext && numrrext==0) {
-			if(!test) {
-				cache_free(cent->rr.rrext);
-				cent->rr.rrext=NULL;
-				cent->cs -= sizeof(rr_set_t*)*NRREXT;
-				cache_size -= sizeof(rr_set_t*)*NRREXT;
-			}
-			++rv;
-		}
-	}
-
-	if(numrrsrem) *numrrsrem=numrrs;
-	return rv;
-}
-
-
-/*
- * Purge a cent, deleting timed-out rrs (following the constraints noted in "purge_rrset").
- * Since the cent may actually become empty and be deleted, you may not use it after this call until
- * you refetch its address from the hash (if it is still there).
- * If test is zero and the record is in the cache, we need rw-locks applied.
- * If test is nonzero, nothing will actually be deleted.
- * Substracts the size of the freed memory from cache_size (if test is zero).
- * If delete is nonzero and the cent was purged empty and no longer needed, it is removed from the cache.
- * Returns -1 if the cent was (or would have been) completely removed,
- * otherwise returns the number of items that were (or would have been) deleted.
- */
-static int purge_cent(dns_cent_t *cent, int delete, int test)
-{
-	int npurge, numrrs;
-
-	npurge = purge_all_rrsets(cent,test, &numrrs);
-
-	/* If the cache entry was purged empty, delete it from the cache. */
-	if (delete && numrrs==0
-	    && (!(cent->flags&DF_NEGATIVE) ||
-		(!(cent->flags&DF_LOCAL) && timedout_nxdom(cent))))
-	{
-		if(!test)
-			del_cache_ent(cent,NULL); /* this will subtract the cent's left size from cache_size */
-		return -1;
-	}
-
-	if(!(cent->flags&DF_LOCAL)) {
-		/* Set stale references to NS or SOA records back to undefined. */
-		unsigned scnt=rhnsegcnt(cent->qname);
-		if(cent->c_ns!=cundef) {
-			rr_set_t *rrset=NULL;
-			if(cent->c_ns==scnt)
-				rrset=getrrset_NS(cent);
-			else if(cent->c_ns<scnt) {
-				dns_cent_t *ce=dns_lookup(skipsegs(cent->qname,scnt-cent->c_ns),NULL);
-				if(ce) rrset=getrrset_NS(ce);
-			}
-			if(!rrset || !rrset->rrs || (!(rrset->flags&CF_LOCAL) && timedout(rrset))) {
-				if(!test)
-					cent->c_ns=cundef;
-				++npurge;
-			}
-		}
-		if(cent->c_soa!=cundef) {
-			rr_set_t *rrset=NULL;
-			if(cent->c_soa==scnt)
-				rrset=getrrset_SOA(cent);
-			else if(cent->c_soa<scnt) {
-				dns_cent_t *ce=dns_lookup(skipsegs(cent->qname,scnt-cent->c_soa),NULL);
-				if(ce) rrset=getrrset_SOA(ce);
-			}
-			if(!rrset || !rrset->rrs || (!(rrset->flags&CF_LOCAL) && timedout(rrset))) {
-				if(!test)
-					cent->c_soa=cundef;
-				++npurge;
-			}
-		}
-	}
-
-	return npurge;
-}
-
-/*
- * Bring cache to a size below or equal the cache size limit (sz). There are two strategies:
- * - for cached sets with CF_NOPURGE not set: delete if timed out
- * - additional: delete oldest sets.
- */
-static void purge_cache(long sz, int lazy)
-{
-	rr_lent_t *le;
-
-	/* Walk the cache list from the oldest entries to the newest, deleting timed-out
-	 * records.
-	 * XXX: We walk the list a second time if this did not free up enough space - this
-	 * should be done better. */
-	le=rrset_l;
-	while (le && (!lazy || cache_size>sz)) {
-		/* Note by Paul Rombouts:
-		 * If data integrity is ensured, at most one node is removed from the rrset_l
-		 * per iteration, and this node is the one referenced by le. */
-		rr_lent_t *next=le->next;
-		if (!((le->rrset && (le->rrset->flags&CF_LOCAL)) ||
-		      (le->cent->flags&DF_LOCAL))) {
-			dns_cent_t *ce = le->cent;
-			if (le->rrset)
-				purge_rrset(ce, le->idx,0);
-			/* Side effect: if purge_rrset called del_cent_rrset then le has been freed.
-			 * ce, however, is still guaranteed to be valid. */
-			if (ce->num_rrs==0 && (!(ce->flags&DF_NEGATIVE) ||
-					       (!(ce->flags&DF_LOCAL) && timedout_nxdom(ce))))
-				del_cache_ent(ce,NULL);
-		}
-		le=next;
-	}
-	if (cache_size<=sz)
-		return;
-
-	/* we are still above the desired cache size. Well, delete records from the oldest to
-	 * the newest. This is the case where nopurge records are deleted anyway. Only local
-	 * records are kept in any case.*/
-	if(!insert_sort) {
-		sort_rrl();
-		insert_sort=1; /* use insertion sort from now on */
-	}
-
-	le=rrset_l;
-	while (le && cache_size>sz) {
-		rr_lent_t *next=le->next;
-		if (!((le->rrset && (le->rrset->flags&CF_LOCAL)) ||
-		      (le->cent->flags&DF_LOCAL))) {
-			dns_cent_t *ce = le->cent;
-			if (le->rrset)
-				cache_size -= del_cent_rrset_by_index(ce, le->idx  DBG0);
-			/* this will also delete negative cache entries */
-			if (ce->num_rrs==0)
-				del_cache_ent(ce,NULL);
-		}
-		le=next;
-	}
-}
-
-#define log_warn_read_error(f,item) \
-        log_warn("%s encountered while reading %s from disk cache file.", \
-        ferror(f)?"Error":feof(f)?"EOF":"Incomplete item",item)
-
-/*
- * Load cache from disk and rebuild the hash tables.
- */
-void read_disk_cache()
-{
-	/* The locks are done when we add items. */
-	dns_cent_t ce;
-	int dtsz=512;
-	unsigned char *data;
-	unsigned long cnt;
-	FILE *f;
-
-	char path[strlen(global.cache_dir)+sizeof("/pdnsd.cache")];
-
-	stpcpy(stpcpy(path,global.cache_dir),"/pdnsd.cache");
-
-	if (!(f=fopen(path,"r"))) {
-		log_warn("Could not open disk cache file %s: %s",path,strerror(errno));
-		return;
-	}
-
-	if (!(data = malloc(dtsz))) {
-		goto fclose_exit;
-	}
-
-	/* Don't use insertion sort while reading caches entries from disk, because this can be
-	   noticeably inefficient with large cache files.
-	   Entries are simply appended at the end of the rr_l list.
-	   The rr_l list is sorted using a more efficient merge sort after we are done reading.
-	*/
-	insert_sort=0;
-
-	{
-		unsigned nb;
-		char buf[sizeof(cachverid)];
-
-		/* check cache version identifier */
-		nb=fread(buf,1,sizeof(cachverid),f);
-		if (nb!=sizeof(cachverid)) {
-			/* Don't complain about empty files */
-			if(nb!=0 || !feof(f)) {
-				log_warn_read_error(f,"cache version identifier");
-			}
-			goto free_data_fclose;
-		}
-		if(memcmp(buf,cachverid,sizeof(cachverid))) {
-			log_warn("Cache file %s ignored because of incompatible version identifier",path);
-			goto free_data_fclose;
-		}
-	}
-
-	if (fread(&cnt,sizeof(cnt),1,f)!=1) {
-		log_warn_read_error(f,"entry count");
-		goto free_data_fclose;
-	}
-
-	for(;cnt>0;--cnt) {
-		dns_file_t fe;
-		dom_fttlts_t fttlts = {0,0};
-		unsigned char nb[256];
-		unsigned num_rrs;
-		unsigned char prevtp;
-		if (fread(&fe,sizeof(fe),1,f)!=1) {
-			log_warn_read_error(f,"cache entry header");
-			goto free_data_fclose;
-		}
-		if(fe.flags&DF_NEGATIVE) {
-			if (fread(&fttlts,sizeof(fttlts),1,f)!=1) {
-				log_warn_read_error(f,"cache TTL and timestamp");
-				goto free_data_fclose;
-			}
-		}
-		if (fe.qlen) {
-			int i;
-			/* Because of its type qlen should be <=255. */
-			if (fread(nb,fe.qlen,1,f)!=1) {
-				log_warn_read_error(f,"domain name");
-				goto free_data_fclose;
-			}
-			for(i=0;i<fe.qlen;) {
-				unsigned lb=nb[i];
-				if(!lb || lb>63 || (i += lb+1)>fe.qlen) {
-					log_warn("Invalid domain name encountered while reading disk cache file.");
-					goto free_data_fclose;
-				}
-			}
-		}
-		nb[fe.qlen]='\0';
-		if (!init_cent(&ce, nb, fttlts.ttl, fttlts.ts, fe.flags  DBG0)) {
-			goto free_data_fclose_exit;
-		}
-		ce.c_ns=fe.c_ns; ce.c_soa=fe.c_soa;
-
-		/* now, read the rr's */
-		prevtp=0;
-		for (num_rrs=fe.num_rrs;num_rrs;--num_rrs) {
-			rr_fset_t sh;
-			unsigned num_rr;
-			if (fread(&sh,sizeof(sh),1,f)!=1) {
-				log_warn_read_error(f,"rr header");
-				goto free_cent_data_fclose;
-			}
-			if(PDNSD_NOT_CACHED_TYPE(sh.tp)) {
-				log_warn("Invalid rr type encountered while reading disk cache file.");
-				goto free_data_fclose;
-			}
-			if(sh.tp<=prevtp) {
-				log_warn("Unexpected rr type encountered (not in strict ascending order) while reading disk cache file.");
-				goto free_data_fclose;
-			}
-			prevtp=sh.tp;
-			/* Add the rrset header in any case (needed for negative caching) */
-			if(!add_cent_rrset_by_type(&ce, sh.tp, sh.ttl, sh.ts, sh.flags  DBG0)) {
-				goto free_cent_data_fclose_exit;
-			}
-			for (num_rr=sh.num_rr;num_rr;--num_rr) {
-				rr_fbucket_t rr;
-				if (fread(&rr,sizeof(rr),1,f)!=1) {
-					log_warn_read_error(f,"rr data length");
-					goto free_cent_data_fclose;
-				}
-				if (rr.rdlen>dtsz) {
-					unsigned char *tmp;
-					dtsz=rr.rdlen;
-					tmp=realloc(data,dtsz);
-					if (!tmp) {
-						goto free_cent_data_fclose_exit;
-					}
-					data=tmp;
-				}
-				if (rr.rdlen && fread(data,rr.rdlen,1,f)!=1) {
-					log_warn_read_error(f,"rr data");
-					goto free_cent_data_fclose;
-				}
-				if (!add_cent_rr(&ce,sh.tp,sh.ttl,sh.ts,sh.flags,rr.rdlen,data  DBG0)) {
-					goto free_cent_data_fclose_exit;
-				}
-			}
-		}
-		add_cache(&ce);
-		free_cent(&ce  DBG0);
-	}
-#ifdef DEBUG_HASH
-	free(data);
-	fclose(f);
-	dumphash();
-	goto sort_return;
-#else
-	goto free_data_fclose;
-#endif
-
- free_cent_data_fclose:
-	free_cent(&ce  DBG0);
- free_data_fclose:
-	free(data);
-	fclose(f);
-#ifdef DEBUG_HASH
- sort_return:
-#endif
-	/* Do we need read/write locks to sort the rr_l list?
-	   As long as at most one thread is sorting, it is OK for the other threads
-	   to read the cache, providing they do not add or delete anything.
-	*/
-	lock_cache_r();
-	if(!insert_sort) {
-		sort_rrl();
-		insert_sort=1;
-	}
-	unlock_cache_r();
-	return;
-
- free_cent_data_fclose_exit:
-	free_cent(&ce  DBG0);
- free_data_fclose_exit:
-	free(data);
- fclose_exit:
-	fclose(f);
-	log_error("Out of memory in reading cache file. Exiting.");
-	pdnsd_exit();
-}
-
-/* write an rr to the file f */
-static int write_rrset(int tp, rr_set_t *rrs, FILE *f)
-{
-	rr_bucket_t *rr;
-	rr_fset_t sh;
-	rr_fbucket_t rf;
-	unsigned num_rr;
-
-	sh.tp=tp;
-
-	num_rr=0;
-	for(rr=rrs->rrs; rr && num_rr<255; rr=rr->next) ++num_rr;
-	sh.num_rr=num_rr;
-	sh.flags=rrs->flags;
-	sh.ttl=rrs->ttl;
-	sh.ts=rrs->ts;
-
-	if (fwrite(&sh,sizeof(sh),1,f)!=1) {
-		log_error("Error while writing rr header to disk cache: %s", strerror(errno));
-		return 0;
-	}
-
-	rr=rrs->rrs;
-	for(; num_rr; --num_rr) {
-		rf.rdlen=rr->rdlen;
-		if (fwrite(&rf,sizeof(rf),1,f)!=1 || (rf.rdlen && fwrite((rr->data),rf.rdlen,1,f)!=1)) {
-			log_error("Error while writing rr data to disk cache: %s", strerror(errno));
-			return 0;
-		}
-		rr=rr->next;
-	}
-
-	return 1;
-}
-
-
-/*
- * Write cache to disk on termination. The hash table is lost and needs to be regenerated
- * on reload.
- *
- * The locks are not very fine grained here, but I don't think this needs fixing as this routine
- * is only called on exit.
- *
- */
-void write_disk_cache()
-{
-	int j, jlim;
-	dns_cent_t *le;
-	unsigned long en=0;
-	dns_hash_pos_t pos;
-	FILE *f;
-	unsigned long num_rrs_errs=0;
-#	define MAX_NUM_RRS_ERRS 10
-
-	char path[strlen(global.cache_dir)+sizeof("/pdnsd.cache")];
-
-	stpcpy(stpcpy(path,global.cache_dir),"/pdnsd.cache");
-
-	DEBUG_MSG("Writing cache to %s\n",path);
-
-	if (!softlock_cache_rw()) {
-		goto lock_failed;
-	}
-	/* purge cache down to allowed size*/
-	purge_cache((long)global.perm_cache*1024, 0);
-	if (!softunlock_cache_rw()) {
-		goto lock_failed;
-	}
-
-	if (!softlock_cache_r()) {
-		goto lock_failed;
-	}
-
-	if (!(f=fopen(path,"w"))) {
-		log_warn("Could not open disk cache file %s: %s",path,strerror(errno));
-		goto softunlock_return;
-	}
-
-	/* Write the cache version identifier */
-	if (fwrite(cachverid,sizeof(cachverid),1,f)!=1) {
-		log_error("Error while writing cache version identifier to disk cache: %s", strerror(errno));
-		goto fclose_unlock;
-	}
-
-	for (le=fetch_first(&pos); le; le=fetch_next(&pos)) {
-		/* count the rr's */
-		if(le->flags&DF_NEGATIVE) {
-			if(!(le->flags&DF_LOCAL))
-				++en;
-		}
-		else {
-			jlim= RRARR_LEN(le);
-			for (j=0; j<jlim; ++j) {
-				rr_set_t *rrset= RRARR_INDEX(le,j);
-				if (rrset && !(rrset->flags&CF_LOCAL)) {
-					++en;
-					break;
-				}
-			}
-		}
-	}
-	if (fwrite(&en,sizeof(en),1,f)!=1) {
-		log_error("Error while writing entry count to disk cache: %s", strerror(errno));
-		goto fclose_unlock;
-	}
-
-	for (le=fetch_first(&pos); le; le=fetch_next(&pos)) {
-		/* now, write the rr's */
-		if(le->flags&DF_NEGATIVE) {
-			if(!(le->flags&DF_LOCAL))
-				goto write_rrs;
-		}
-		else {
-			jlim= RRARR_LEN(le);
-			for (j=0; j<jlim; ++j) {
-				rr_set_t *rrset= RRARR_INDEX(le,j);
-				if (rrset && !(rrset->flags&CF_LOCAL)) {
-					goto write_rrs;
-				}
-			}
-		}
-		continue;
-	       write_rrs:
-		{
-			dns_file_t df;
-			int num_rrs;
-			const unsigned short *iterlist;
-			df.qlen=rhnlen(le->qname)-1; /* Don't include the null byte at the end */
-			df.num_rrs=0;
-			df.flags=le->flags;
-			df.c_ns=le->c_ns; df.c_soa=le->c_soa;
-			num_rrs=0;
-			jlim=RRARR_LEN(le);
-			for (j=0; j<jlim; ++j) {
-				rr_set_t *rrset= RRARR_INDEX(le,j);
-				if(rrset) {
-					++num_rrs;
-					if(!(rrset->flags&CF_LOCAL))
-						++df.num_rrs;
-				}
-			}
-			if(num_rrs!=le->num_rrs && ++num_rrs_errs<=MAX_NUM_RRS_ERRS) {
-				unsigned char buf[DNSNAMEBUFSIZE];
-				log_warn("Counted %d rr record types for %s but cached counter=%d",
-					 num_rrs,rhn2str(le->qname,buf,sizeof(buf)),le->num_rrs);
-			}
-			if (fwrite(&df,sizeof(df),1,f)!=1) {
-				log_error("Error while writing cache entry header to disk cache: %s", strerror(errno));
-				goto fclose_unlock;
-			}
-			if(le->flags&DF_NEGATIVE) {
-				dom_fttlts_t fttlts= {le->neg.ttl,le->neg.ts};
-				if (fwrite(&fttlts,sizeof(fttlts),1,f)!=1) {
-					log_error("Error while writing cache TTL and timestamp to disk cache: %s", strerror(errno));
-					goto fclose_unlock;
-				}
-			}
-			if (df.qlen && fwrite(le->qname,df.qlen,1,f)!=1) {
-				log_error("Error while writing domain name to disk cache: %s", strerror(errno));
-				goto fclose_unlock;
-			}
-
-			jlim= NRRITERLIST(le);
-			iterlist= RRITERLIST(le);
-			for (j=0; j<jlim; ++j) {
-				int tp= iterlist[j];
-				rr_set_t *rrset= getrrset_eff(le,tp);
-				if(rrset && !(rrset->flags&CF_LOCAL)) {
-					if(!write_rrset(tp,rrset,f))
-						goto fclose_unlock;
-				}
-			}
-		}
-	}
-	if(fclose(f)) {
-		log_error("Could not close cache file %s after writing cache: %s", path,strerror(errno));
-	}
-	softunlock_cache_r();
-	DEBUG_MSG("Finished writing cache to disk.\n");
-	return;
-
- fclose_unlock:
-	fclose(f);
- softunlock_return:
-	softunlock_cache_r();
-	return;
-
- lock_failed:
-	crash_msg("Lock failed; could not write disk cache.");
-}
-
-/*
- * Conflict Resolution.
- * The first function is the actual checker; the latter two are wrappers for the respective
- * function for convenience only.
- *
- * We check for conflicts by checking the new data rrset by rrset against the cent.
- * This is not bad when considering that new records are hopefully consistent; if they are not,
- * we might end up deleteing too much of the old data, which is probably added back through the
- * new query, though.
- * Having checked additions rrset by rrset, we are at least sure that the resulting record is OK.
- * cr_check_add returns 1 if the addition is OK, 0 otherwise.
- * This is for records that are already in the cache!
- *
- * idx is the internally used RR-set index, not the RR type!
- */
-static int cr_check_add(dns_cent_t *cent, int idx, time_t ttl, time_t ts, unsigned flags)
-{
-	time_t nttl;
-	const struct rr_infos *rri;
-
-	if (flags & CF_NEGATIVE)
-		return 1;		/* no constraints here. */
-
-	nttl = 0;
-	rri = &rr_info[idx];
-
-	if (!(flags & CF_LOCAL)) {
-		int i, ilim, ncf;
-
-		if(cent->flags & DF_LOCAL)
-			return 0;   /* Local has precedence. */
-
-		ncf = 0; ilim = RRARR_LEN(cent);
-		for (i = 0; i < ilim; ++i) {
-			rr_set_t *rrs= RRARR_INDEX(cent,i);
-			/* Should be symmetric; check both ways anyway. */
-			if (rrs && !(rrs->flags & CF_NEGATIVE) &&
-			    ((rri->class & rr_info[i].excludes) ||
-			    (rri->excludes & rr_info[i].class)))
-			{
-				time_t rttl;
-				if (rrs->flags & CF_LOCAL)
-					return 0;   /* old was authoritative. */
-				++ncf;
-				rttl = rrs->ttl + rrs->ts - time(NULL);
-				if(rttl > 0) nttl += rttl;
-			}
-		}
-		if (ncf == 0)	/* no conflicts */
-			return 1;
-		/* Medium ttl of conflicting records */
-		nttl /= ncf;
-	}
-	if ((flags & CF_LOCAL) || ttl > nttl) {
-		int i, ilim= RRARR_LEN(cent);
-
-		/* Remove the old records, so that the new one can be added. */
-		for (i = 0; i < ilim; ++i) {
-			rr_set_t *rrs= RRARR_INDEX(cent,i);
-			/* Should be symmetric; check both ways anyway. */
-			if (rrs && !(rrs->flags & CF_NEGATIVE) &&
-			    ((rri->class & rr_info[i].excludes) ||
-			    (rri->excludes & rr_info[i].class))) {
-				del_cent_rrset_by_index(cent, i  DBG0);
-			}
-		}
-		return 1;
-	}
-	/* old records precede */
-	return 0;
-}
-
-
-inline static void adjust_ttl(rr_set_t *rrset)
-{
-	if (rrset->flags&CF_NOCACHE) {
-		rrset->flags &= ~CF_NOCACHE;
-		rrset->ttl=0;
-	}
-	else {
-		time_t min_ttl= global.min_ttl, neg_ttl=global.neg_ttl;
-		if((rrset->flags&CF_NEGATIVE) && neg_ttl<min_ttl)
-			min_ttl=neg_ttl;
-		if(rrset->ttl<min_ttl)
-			rrset->ttl=min_ttl;
-		else {
-			time_t max_ttl= global.max_ttl;
-			if(rrset->ttl>max_ttl)
-				rrset->ttl=max_ttl;
-		}
-	}
-}
-
-
-/* Only use for negatively cached domains, thus only
-   if the DF_NEGATIVE bit is set! */
-inline static void adjust_dom_ttl(dns_cent_t *cent)
-{
-	if (cent->flags&DF_NOCACHE) {
-		cent->flags &= ~DF_NOCACHE;
-		cent->neg.ttl=0;
-	}
-	else {
-		time_t min_ttl= global.min_ttl, neg_ttl=global.neg_ttl;
-		if(/* (cent->flags&DF_NEGATIVE) && */ neg_ttl<min_ttl)
-			min_ttl=neg_ttl;
-		if(cent->neg.ttl<min_ttl)
-			cent->neg.ttl=min_ttl;
-		else {
-			time_t max_ttl= global.max_ttl;
-			if(cent->neg.ttl>max_ttl)
-				cent->neg.ttl=max_ttl;
-		}
-	}
-}
-
-/*
- * Add a ready built dns_cent_t to the hashes, purge if necessary to not exceed cache size
- * limits, and add the entries to the hashes.
- * As memory is already reserved for the rrs, we only need to wrap up the dns_cent_t and
- * alloc memory for it.
- * New entries are appended, so we easiliy know the oldest for purging. For fast acces,
- * we use hashes instead of ordered storage.
- *
- * This does not free the argument, and it uses a copy of it, so the caller must do free_cent()
- * on it.
- *
- * The new entries rr sets replace the old ones, i.e. old rr sets with the same key are deleted
- * before the new ones are added.
- */
-void add_cache(dns_cent_t *cent)
-{
-	dns_cent_t *ce;
-	dns_hash_loc_t loc;
-	int i,ilim;
-
-	lock_cache_rw();
- retry:
-	if (!(ce=dns_lookup(cent->qname,&loc))) {
-		/* if the new entry doesn't contain any information,
-		   don't try to add it to the cache because purge_cache() will not
-		   be able to get rid of it.
-		*/
-		if(cent->num_rrs==0 && !(cent->flags&DF_NEGATIVE))
-			goto purge_cache_return;
-
-		if(!(ce=copy_cent(cent  DBG0)))
-			goto warn_unlock_cache_return;
-
-		if(!(ce->flags&DF_NEGATIVE)) {
-			ilim= RRARR_LEN(ce);
-			/* Add the rrs to the rr list */
-			for (i=0; i<ilim; ++i) {
-				rr_set_t *rrset= RRARR_INDEX(ce,i);
-				if (rrset) {
-					adjust_ttl(rrset);
-					if (!insert_rrl(rrset,ce,i))
-						goto free_cent_unlock_cache_return;
-				}
-			}
-		}
-		else {
-			/* If this domain is negatively cached, add the cent to the rr_l list. */
-			adjust_dom_ttl(ce);
-			if (!insert_rrl(NULL,ce,-1))
-				goto free_cent_unlock_cache_return;
-		}
-		if (!add_dns_hash(ce,&loc))
-			goto free_cent_unlock_cache_return;
-		++ent_num;
-	} else {
-		if (cent->flags&DF_NEGATIVE) {
-			/* the new entry is negative. So, we need to delete the whole cent,
-			 * and then generate a new one. */
-			ilim= RRARR_LEN(ce);
-			for (i=0; i<ilim; ++i) {
-				rr_set_t *cerrs= RRARR_INDEX(ce,i);
-				if (cerrs && cerrs->flags&CF_LOCAL) {
-					goto unlock_cache_return; /* Do not clobber local records */
-				}
-			}
-			del_cache_ent(ce,&loc);
-			goto retry;
-		}
-		purge_cent(ce, 0,0);
-		/* We have a record; add the rrsets replacing old ones */
-		cache_size-=ce->cs;
-
-		ilim= RRARR_LEN(cent);
-		for (i=0; i<ilim; ++i) {
-			rr_set_t *centrrs= RRARR_INDEX(cent,i);
-			if(centrrs) {
-				rr_set_t *cerrs= RRARR_INDEX_TESTEXT(ce,i);
-				/* Local records have precedence.
-				   Records from answer sections have precedence over additional (off-topic) records.
-				   Answers obtained from root servers have precedence over additional records
-				   from other servers. */
-				if (!(cerrs &&
-				      ((!(centrrs->flags&CF_LOCAL) && (cerrs->flags&CF_LOCAL)) ||
-				       ((centrrs->flags&CF_ADDITIONAL) && (!(cerrs->flags&CF_ADDITIONAL) ||
-									   (!(centrrs->flags&CF_ROOTSERV) &&
-									    (cerrs->flags&CF_ROOTSERV))) &&
-					!timedout(cerrs)))))
-				{
-					rr_bucket_t *rr,*rtail;
-
-					del_cent_rrset_by_index(ce,i  DBG0);
-
-					if (!cr_check_add(ce, i, centrrs->ttl, centrrs->ts, centrrs->flags))
-						continue;  /* the new record has been deleted as a conflict resolution measure. */
-
-					/* pre-initialize a rrset_t for the case we have a negative cached
-					 * rrset, in which case no further rrs will be added. */
-					if (!add_cent_rrset_by_index(ce, i, centrrs->ttl, centrrs->ts, centrrs->flags  DBG0)) {
-						goto addsize_unlock_cache_return;
-					}
-					rtail=NULL;
-					for (rr=centrrs->rrs; rr; rr=rr->next) {
-						if (!add_cent_rr_int(ce,i,centrrs->ttl, centrrs->ts, centrrs->flags,
-								     rr->rdlen, rr->data, &rtail  DBG0))
-						{
-							/* cleanup this entry */
-							goto cleanup_cent_unlock_cache_return;
-						}
-					}
-					cerrs= RRARR_INDEX(ce,i);
-					adjust_ttl(cerrs);
-					if (!insert_rrl(cerrs,ce,i)) {
-						goto cleanup_cent_unlock_cache_return;
-					}
-				}
-			}
-		}
-		ce->flags |= (cent->flags&(DF_AUTH|DF_WILD));
-		if(cent->c_ns!=cundef && (ce->c_ns==cundef || ce->c_ns<cent->c_ns))
-			ce->c_ns=cent->c_ns;
-		if(cent->c_soa!=cundef && (ce->c_soa==cundef || ce->c_soa<cent->c_soa))
-			ce->c_soa=cent->c_soa;
-	}
-
-	cache_size += ce->cs;
- purge_cache_return:
-	purge_cache((long)global.perm_cache*1024+MCSZ, 1);
-	goto unlock_cache_return;
-
- cleanup_cent_unlock_cache_return:
-	del_cent_rrset_by_index(ce, i  DBG0);
- addsize_unlock_cache_return:
-	cache_size += ce->cs;
-	goto warn_unlock_cache_return;
-
- free_cent_unlock_cache_return:
-	free_cent(ce  DBG0);
-	pdnsd_free(ce);
- warn_unlock_cache_return:
-	log_warn("Out of cache memory.");
- unlock_cache_return:
-	unlock_cache_rw();
-}
-
-/*
-  Convert A (and AAAA) records in a ready built cache entry to PTR records suitable for reverse resolving
-  of numeric addresses and add them to the cache.
-*/
-int add_reverse_cache(dns_cent_t * cent)
-{
-	int tp=T_A;
-	rr_set_t *rrset= getrrset_A(cent);
-
-	for(;;) {
-		if(rrset) {
-			rr_bucket_t *rr;
-			for(rr=rrset->rrs; rr; rr=rr->next) {
-				dns_cent_t ce;
-				unsigned char buf[DNSNAMEBUFSIZE],rhn[DNSNAMEBUFSIZE];
-				if(!a2ptrstr((pdnsd_ca *)(rr->data),tp,buf) || !str2rhn(buf,rhn))
-					return 0;
-				if(!init_cent(&ce, rhn, 0, 0, cent->flags  DBG0))
-					return 0;
-				if(!add_cent_rr(&ce,T_PTR,rrset->ttl,rrset->ts,rrset->flags,rhnlen(cent->qname),cent->qname  DBG0)) {
-					free_cent(&ce  DBG0);
-					return 0;
-				}
-#ifdef RRMUINDEX_NS
-				ce.rr.rrmu[RRMUINDEX_NS]=cent->rr.rrmu[RRMUINDEX_NS];
-#endif
-#ifdef RRMUINDEX_SOA
-				ce.rr.rrmu[RRMUINDEX_SOA]=cent->rr.rrmu[RRMUINDEX_SOA];
-#endif
-				add_cache(&ce);
-#ifdef RRMUINDEX_NS
-				ce.rr.rrmu[RRMUINDEX_NS]=NULL;
-#endif
-#ifdef RRMUINDEX_SOA
-				ce.rr.rrmu[RRMUINDEX_SOA]=NULL;
-#endif
-				free_cent(&ce  DBG0);
-			}
-		}
-#if ALLOW_LOCAL_AAAA
-		if(tp==T_AAAA)
-			break;
-		tp=T_AAAA;
-		rrset= getrrset_AAAA(cent);
-#else
-		break;
-#endif
-	}
-	return 1;
-}
-
-
-/*
-   Delete a cent from the cache. Call with write locks applied.
-   Does not delete corresponding entry in hash table, call del_cache_ent()
-   or del_cache() for that.
-*/
-void del_cent(dns_cent_t *cent)
-{
-	cache_size -= cent->cs;
-
-	/* free the data referred by the cent and the cent itself */
-	free_cent(cent  DBG0);
-	free(cent);
-
-	--ent_num;
-}
-
-/*
- * Delete a cent from the cache. Call with write locks applied.
- */
-static void del_cache_ent(dns_cent_t *cent,dns_hash_loc_t *loc)
-{
-	dns_cent_t *data;
-
-	/* Delete from the hash */
-	if(loc)
-		data=del_dns_hash_ent(loc);
-	else
-		data=del_dns_hash(cent->qname);
-	if(!data) {
-		log_warn("Cache entry not found by del_dns_hash() in %s, line %d",__FILE__,__LINE__);
-	}
-	else if(data!=cent) {
-		log_warn("pointer returned by del_dns_hash() does not match cache entry in %s, line %d",__FILE__,__LINE__);
-	}
-	del_cent(cent);
-}
-
-/* Delete a cached record. Performs locking. Call this from the outside, NOT del_cache_ent */
-void del_cache(const unsigned char *name)
-{
-	dns_cent_t *cent;
-
-	lock_cache_rw();
-	if ((cent=del_dns_hash(name))) {
-		del_cent(cent);
-	}
-	unlock_cache_rw();
-}
-
-
-/* Invalidate a record by resetting the fetch time to 0. This means that it will be refreshed
- * if possible (and will only be served when purge_cache=off;) */
-void invalidate_record(const unsigned char *name)
-{
-	dns_cent_t *ce;
-	int i, ilim;
-
-	lock_cache_rw();
-	if ((ce=dns_lookup(name,NULL))) {
-		if(!(ce->flags&DF_NEGATIVE)) {
-			ilim= RRARR_LEN(ce);
-			for (i=0; i<ilim; ++i) {
-				rr_set_t *rrs= RRARR_INDEX(ce,i);
-				if (rrs) {
-					rrs->ts=0;
-					rrs->flags &= ~CF_AUTH;
-				}
-			}
-		}
-		else {
-			/* set the cent time to 0 (for the case that this was negative) */
-			ce->neg.ts=0;
-		}
-		ce->flags &= ~DF_AUTH;
-	}
-	unlock_cache_rw();
-}
-
-
-/*
-  Set flags of the cache entry with the specified name.
-  Don't use this to set the DF_NEGATIVE flag, or you will
-  risk leaving the cache in an inconsistent state.
-  Returns 0 if the cache entry cannot be found, otherwise 1.
- */
-int set_cent_flags(const unsigned char *name, unsigned flags)
-{
-	dns_cent_t *ret;
-	lock_cache_rw();
-	ret=dns_lookup(name,NULL);
-	if (ret) {
-		ret->flags |= flags;
-	}
-	unlock_cache_rw();
-	return ret!=NULL;
-}
-
-unsigned char *getlocalowner(unsigned char *name,int tp)
-{
-	unsigned char *ret=NULL;
-	dns_cent_t *ce;
-	unsigned lb;
-
-	lock_cache_r();
-	if((lb = *name)) {
-		while(name += lb+1, lb = *name) {
-			if((ce=dns_lookup(name,NULL))) {
-				if(!(ce->flags&DF_LOCAL))
-					break;
-				if(have_rr(ce,tp)) {
-					ret=name;
-					break;
-				}
-			}
-		}
-	}
-	unlock_cache_r();
-
-	return ret;
-}
-
-
-/* Lookup an entry in the cache using name (in length byte -  string notation).
- * For thread safety, a copy must be returned, so delete it after use, by first doing
- * free_cent to remove the rrs and then by freeing the returned pointer.
- * If wild is nonzero, and name can't be found in the cache, lookup_cache()
- * will search up the name hierarchy for a record with the DF_NEGATIVE or DF_WILD flag set.
- */
-dns_cent_t *lookup_cache(const unsigned char *name, int *wild)
-{
-	int purge=0;
-	dns_cent_t *ret;
-
-	/* First try with only read access to the cache. */
-	lock_cache_r();
-	ret=dns_lookup(name,NULL);
-	if(wild) {
-		*wild=0;
-		if(!ret) {
-			const unsigned char *nm=name;
-			unsigned lb=*nm;
-			if(lb) {
-				while(nm += lb+1, lb = *nm) {
-					if ((ret=dns_lookup(nm,NULL))) {
-						if(ret->flags&DF_NEGATIVE)
-							/* use this entry */
-							*wild=w_neg;
-						else if(ret->flags&DF_WILD) {
-							unsigned char buf[DNSNAMEBUFSIZE];
-							buf[0]=1; buf[1]='*';
-							/* When we get here, at least one element of name
-							   has been removed, so assuming name is not longer
-							   than DNSNAMEBUFSIZE bytes, the remainder is guaranteed to
-							   fit into DNSNAMEBUFSIZE-2 bytes */
-							rhncpy(&buf[2],nm);
-							ret=dns_lookup(buf,NULL);
-							if(ret)
-								*wild=w_wild;
-						}
-						else if(ret->flags&DF_LOCAL)
-							*wild=w_locnerr;
-						else
-							ret=NULL;
-						break;
-					}
-				}
-			}
-		}
-	}
-	if (ret) {
-		if(!(purge=purge_cent(ret, 1,1))) /* test only, don't remove anything yet! */
-			ret=copy_cent(ret  DBG1);
-	}
-	unlock_cache_r();
-
-	if(purge) {
-		/* we need exclusive read and write access before we delete anything. */
-		lock_cache_rw();
-		ret=dns_lookup(name,NULL);
-		if(wild) {
-			*wild=0;
-			if(!ret) {
-				const unsigned char *nm=name;
-				unsigned lb=*nm;
-				if(lb) {
-					while(nm += lb+1, lb = *nm) {
-						if ((ret=dns_lookup(nm,NULL))) {
-							if(ret->flags&DF_NEGATIVE)
-								/* use this entry */
-								*wild=w_neg;
-							else if(ret->flags&DF_WILD) {
-								unsigned char buf[DNSNAMEBUFSIZE];
-								buf[0]=1; buf[1]='*';
-								rhncpy(&buf[2],nm);
-								ret=dns_lookup(buf,NULL);
-								if(ret)
-									*wild=w_wild;
-							}
-							else if(ret->flags&DF_LOCAL)
-								*wild=w_locnerr;
-							else
-								ret=NULL;
-							break;
-						}
-					}
-				}
-			}
-		}
-		if (ret) {
-			if(purge_cent(ret, 1,0)<0)
-				ret=NULL;
-			else
-				ret=copy_cent(ret  DBG1);
-		}
-		unlock_cache_rw();
-	}
-
-	return ret;
-}
-
-/* lookup_cache_local_rrset() check if there is locally defined RR set of a specific RR type
-   for name, and if so, returns a copy of the RR set. After use, the copy should be cleaned
-   up using del_rrset().
-   This is potentially much more efficient than using lookup_cache(), if the name is likely
-   to have a cache entry, but unlikely to have locally defined RR sets.
-*/
-rr_set_t *lookup_cache_local_rrset(const unsigned char *name, int type)
-{
-	rr_set_t *ret=NULL;
-	dns_cent_t *cent;
-
-	lock_cache_r();
-	cent= dns_lookup(name,NULL);
-	if(cent) {
-		rr_set_t *rrset=getrrset(cent,type);
-		if(rrset && (rrset->flags&CF_LOCAL)) {
-			ret= copy_rrset(rrset);
-		}
-	}
-	unlock_cache_r();
-
-	return ret;
-}
-
-
-#if 0
-/* Add an rr to an existing cache entry or create a new entry if necessary.
- * The rr is treated with the precedence of an additional or off-topic record, ie. regularly retrieved
- * have precedence.
- * You cannot add a negative additional record. Makes no sense anyway. */
-int add_cache_rr_add(const unsigned char *name, int tp, time_t ttl, time_t ts, unsigned flags, unsigned dlen, void *data, unsigned long serial)
-{
-	dns_hash_loc_t loc;
-	dns_cent_t *ret;
-	rr_set_t *rrs;
-	int rv=0;
-
-	lock_cache_rw();
-	if (!(ret=dns_lookup(name,&loc))) {
-		if (!(ret=cache_malloc(sizeof(dns_cent_t))))
-			goto unlock_return;
-		if(!init_cent(ret, name, 0, 0, 0  DBG0)) {
-			pdnsd_free(ret);
-			goto unlock_return;
-		}
-		if(!add_dns_hash(ret,&loc)) {
-			free_cent(ret  DBG0);
-			pdnsd_free(ret);
-			goto unlock_return;
-		}
-		++ent_num;
-	}
-	else {
-		/* purge the record. */
-		purge_cent(ret,0,0);
-		cache_size-=ret->cs;
-	}
-	rrs=getrrset(ret,tp);
-	if (rrs &&
-	    ((rrs->flags&CF_NEGATIVE && !(rrs->flags&CF_LOCAL)) ||
-	     (rrs->flags&CF_NOPURGE && timedout(rrs)) ||
-	     (rrs->flags&CF_ADDITIONAL && rrs->serial!=serial) ||
-	     (rrs->serial==serial && rrs->ttl!=(ttl<global.min_ttl?global.min_ttl:(ttl>global.max_ttl?global.max_ttl:ttl))))) {
-		del_cent_rrset_by_type(ret,tp  DBG0);
-		rrs=NULL;
-	}
-	if (rrs==NULL || rrs->serial==serial) {
-		if (cr_check_add(ret,rrlkuptab[tp-T_MIN],ttl,ts,flags)) {
-			if (add_cent_rr(ret,tp,ttl,ts,flags,dlen,data,serial  DBG0)) {
-				rr_set_t *rrsnew;
-				if (!rrs && (rrsnew=getrrset(ret,tp)) && !insert_rrl(rrsnew,ret,rrlkuptab[tp-T_MIN])) {
-					del_cent_rrset_by_type(ret,tp  DBG0);
-				}
-				else {
-					cache_size+=ret->cs;
-					purge_cent(ret,1,0);
-					rv=1;
-					goto unlock_return;
-				}
-			}
-		}
-	} else {
-		rv=1;
-	}
-	cache_size+=ret->cs;
-
- unlock_return:
-	unlock_cache_rw();
-	return rv;
-}
-#endif
-
-/* Report the cache status to the file descriptor f, for the status fifo (see status.c) */
-int report_cache_stat(int f)
-{
-	/* Cache size and entry counters are volatile (and even the entries
-	   in the global struct can change), so make copies to get consistent data.
-	   Even better would be to use locks, but that could be rather costly. */
-	long csz= cache_size, en= ent_num;
-	long pc= global.perm_cache;
-	long mc= pc*1024+MCSZ;
-
-	fsprintf_or_return(f,"\nCache status:\n=============\n");
-	fsprintf_or_return(f,"%ld kB maximum disk cache size.\n",pc);
-	fsprintf_or_return(f,"%ld of %ld bytes (%.3g%%) memory cache used in %ld entries"
-			   " (avg %.5g bytes/entry).\n",
-			   csz, mc, (((double)csz)/mc)*100, en,
-			   ((double)csz)/en);
-	return 0;
-}
-
-
-#define timestamp2str(ts,now,buf)								\
-{												\
-	struct tm tstm;										\
-	if(!((ts) && localtime_r(&(ts), &tstm) &&						\
-	     strftime(buf, sizeof(buf),								\
-		      ((ts)<=(now) && (now)-(ts)<365*24*60*60/2)?"    %m/%d %T":"%Y/%m/%d %T",	\
-		      &tstm)>0))								\
-		strcpy(buf,"                  ");						\
-}
-
-/* Dump contents of a cache entry to file descriptor fd.
-   Returns 1 on success, -1 if there is an IO error.
-*/
-static int dump_cent(int fd, dns_cent_t *cent)
-{
-	time_t now;
-	char tstr[sizeof "2000/12/31 23:59:59"],dbuf[1024];
-
-	fsprintf_or_return(fd,"%s\n",rhn2str(cent->qname,ucharp dbuf,sizeof(dbuf)));
-	now=time(NULL);
-
-	if(cent->flags&DF_NEGATIVE) {
-		timestamp2str(cent->neg.ts,now,tstr);
-		fsprintf_or_return(fd,"%s    (domain negated)\n",tstr);
-	}
-	else {
-		int i, n= NRRITERLIST(cent);
-		const unsigned short *iterlist= RRITERLIST(cent);
-		for(i=0; i<n; ++i) {
-			int tp= iterlist[i];
-			rr_set_t *rrset=getrrset_eff(cent,tp);
-			if (rrset) {
-				timestamp2str(rrset->ts,now,tstr);
-				if(rrset->flags&CF_NEGATIVE) {
-					fsprintf_or_return(fd,"%s    %-7s (negated)\n",tstr,rrnames[tp-T_MIN]);
-				}
-				else {
-					rr_bucket_t *rr;
-					for(rr=rrset->rrs; rr; rr=rr->next) {
-						switch (tp) {
-						case T_CNAME:
-						case T_MB:
-						case T_MD:
-						case T_MF:
-						case T_MG:
-						case T_MR:
-						case T_NS:
-						case T_PTR:
-							rhn2str((unsigned char *)(rr->data),ucharp dbuf,sizeof(dbuf));
-							break;
-#if IS_CACHED_MINFO || IS_CACHED_RP
-#if IS_CACHED_MINFO
-						case T_MINFO:
-#endif
-#if IS_CACHED_RP
-						case T_RP:
-#endif
-						{
-							unsigned char *p=(unsigned char *)(rr->data);
-							int n;
-							rhn2str(p,ucharp dbuf,sizeof(dbuf));
-							n=strlen(dbuf);
-							dbuf[n++] = ' ';
-							if(n>=sizeof(dbuf))
-								goto hex_dump;
-							rhn2str(skiprhn(p),ucharp dbuf+n,sizeof(dbuf)-n);
-						}
-						break;
-#endif
-						case T_MX:
-#if IS_CACHED_AFSDB
-						case T_AFSDB:
-#endif
-#if IS_CACHED_RT
-						case T_RT:
-#endif
-#if IS_CACHED_KX
-						case T_KX:
-#endif
-						{
-							unsigned char *p=(unsigned char *)(rr->data);
-							unsigned pref;
-							int n;
-							GETINT16(pref,p);
-							n=sprintf(dbuf,"%u ",pref);
-							if(n<0) goto hex_dump;
-							rhn2str(p,ucharp dbuf+n,sizeof(dbuf)-n);
-						}
-						break;
-						case T_SOA:
-						{
-							unsigned char *p=(unsigned char *)(rr->data);
-							char *q;
-							int n,rem;
-							uint32_t serial,refresh,retry,expire,minimum;
-							rhn2str(p,ucharp dbuf,sizeof(dbuf));
-							n=strlen(dbuf);
-							dbuf[n++] = ' ';
-							if(n>=sizeof(dbuf))
-								goto hex_dump;
-							q=dbuf+n;
-							rem=sizeof(dbuf)-n;
-							p=skiprhn(p);
-							rhn2str(p,ucharp q,rem);
-							n=strlen(q);
-							q[n++] = ' ';
-							if(n>=rem)
-								goto hex_dump;
-							q += n;
-							rem -= n;
-							p=skiprhn(p);
-							GETINT32(serial,p);
-							GETINT32(refresh,p);
-							GETINT32(retry,p);
-							GETINT32(expire,p);
-							GETINT32(minimum,p);
-							n=snprintf(q,rem,"%lu %lu %lu %lu %lu",
-								   (unsigned long)serial,(unsigned long)refresh,
-								   (unsigned long)retry,(unsigned long)expire,
-								   (unsigned long)minimum);
-							if(n<0 || n>=rem)
-								goto hex_dump;
-						}
-						break;
-#if IS_CACHED_HINFO || IS_CACHED_TXT || IS_CACHED_SPF
-#if IS_CACHED_HINFO
-						case T_HINFO:
-#endif
-#if IS_CACHED_TXT
-						case T_TXT:
-#endif
-#if IS_CACHED_SPF
-						case T_SPF:
-#endif
-						{
-							/* TXT records are not necessarily validated
-							   before they are stored in the cache, so
-							   we need to be careful. */
-							unsigned char *p=(unsigned char *)(rr->data);
-							char *q=dbuf;
-							int j=0,n,rem=sizeof(dbuf);
-							while(j<rr->rdlen) {
-								unsigned lb;
-								if(rem<3)
-									goto hex_dump;
-								if(j) {
-									*q++ = ' ';
-									--rem;
-								}
-								*q++ = '"';
-								--rem;
-								lb=*p++;
-								if((j += lb+1)>rr->rdlen)
-									goto hex_dump;
-								n=escapestr(charp p,lb,q,rem);
-								if(n<0 || n+1>=rem)
-									goto hex_dump;
-								q += n;
-								*q++ = '"';
-								rem -= n+1;
-								p += lb;
-							}
-							*q=0;
-						}
-						break;
-#endif
-#if IS_CACHED_PX
-						case T_PX:
-						{
-							unsigned char *p=(unsigned char *)(rr->data);
-							char *q;
-							unsigned pref;
-							int n,rem;
-							GETINT16(pref,p);
-							n=sprintf(dbuf,"%u ",pref);
-							if(n<0) goto hex_dump;
-							q=dbuf+n;
-							rem=sizeof(dbuf)-n;
-							rhn2str(p,ucharp q,rem);
-							n=strlen(q);
-							q[n++] = ' ';
-							if(n>=rem)
-								goto hex_dump;
-							rhn2str(skiprhn(p),ucharp q+n,rem-n);
-						}
-						break;
-#endif
-#if IS_CACHED_SRV
-						case T_SRV:
-						{
-							unsigned char *p=(unsigned char *)(rr->data);
-							unsigned priority,weight,port;
-							int n;
-							GETINT16(priority,p);
-							GETINT16(weight,p);
-							GETINT16(port,p);
-							n=sprintf(dbuf,"%u %u %u ",priority,weight,port);
-							if(n<0) goto hex_dump;
-							rhn2str(p,ucharp dbuf+n,sizeof(dbuf)-n);
-						}
-						break;
-#endif
-#if IS_CACHED_NXT
-						case T_NXT:
-						{
-							unsigned char *p=(unsigned char *)(rr->data);
-							int n,rlen;
-							rhn2str(p,ucharp dbuf,sizeof(dbuf));
-							n=strlen(dbuf);
-							dbuf[n++] = ' ';
-							if(n>=sizeof(dbuf))
-								goto hex_dump;
-							rlen=rhnlen(p);
-							hexdump(p+rlen,rr->rdlen-rlen,dbuf+n,sizeof(dbuf)-n);
-						}
-						break;
-#endif
-#if IS_CACHED_NAPTR
-						case T_NAPTR:
-						{
-							unsigned char *p=(unsigned char *)(rr->data);
-							char *q;
-							unsigned order,pref;
-							int n,rem,j;
-							GETINT16(order,p);
-							GETINT16(pref,p);
-							n=sprintf(dbuf,"%u %u ",order,pref);
-							if(n<0) goto hex_dump;
-							q=dbuf+n;
-							rem=sizeof(dbuf)-n;
-							for (j=0;j<3;++j) {
-								unsigned lb;
-								if(rem<2)
-									goto hex_dump;
-								*q++ = '"';
-								--rem;
-								lb=*p++;
-								n=escapestr(charp p,lb,q,rem);
-								if(n<0 || n+2>=rem)
-									goto hex_dump;
-								q += n;
-								*q++ = '"';
-								*q++ = ' ';
-								rem -= n+2;
-								p += lb;
-							}
-							rhn2str(p,ucharp q,rem);
-						}
-						break;
-#endif
-#if IS_CACHED_LOC
-						case T_LOC:
-							/* Binary data length has not necessarily been validated */
-							if(rr->rdlen!=16)
-								goto hex_dump;
-							if(!loc2str(rr->data,dbuf,sizeof(dbuf)))
-								goto hex_dump;
-							break;
-#endif
-						case T_A:
-							if (!inet_ntop(AF_INET,rr->data,dbuf,sizeof(dbuf)))
-								goto hex_dump;
-							break;
-#if IS_CACHED_AAAA && defined(AF_INET6)
-						case T_AAAA:
-							if (!inet_ntop(AF_INET6,rr->data,dbuf,sizeof(dbuf)))
-								goto hex_dump;
-							break;
-#endif
-						default:
-						hex_dump:
-							hexdump(rr->data,rr->rdlen,dbuf,sizeof(dbuf));
-						}
-						fsprintf_or_return(fd,"%s    %-7s %s\n",tstr,rrnames[tp-T_MIN],dbuf);
-					}
-				}
-			}
-		}
-	}
-	fsprintf_or_return(fd,"\n");
-	return 1;
-}
-
-/* Dump cache contents to file descriptor fd.
-   If name is not null, restricts information to that name,
-   otherwise dumps information about all names found in the cache.
-   Returns 1 on success, 0 if the name is not found, -1 is there is an IO error.
-   Mainly for debugging purposes.
-*/
-int dump_cache(int fd, const unsigned char *name, int exact)
-{
-	int rv=0;
-	lock_cache_r();
-	if(name && exact) {
-		dns_cent_t *cent=dns_lookup(name,NULL);
-		if(cent)
-			rv=dump_cent(fd,cent);
-	}
-	else {
-		dns_cent_t *cent;
-		dns_hash_pos_t pos;
-		for (cent=fetch_first(&pos); cent; cent=fetch_next(&pos)) {
-			unsigned int nrem;
-			if(!name || (domain_match(name,cent->qname,&nrem,NULL),nrem==0))
-				if((rv=dump_cent(fd,cent))<0)
-					break;
-		}
-	}
-	unlock_cache_r();
-	return rv;
-}
-
-char *stpcpy(char *dest, char const *src)
-{
-  size_t src_len = strlen(src);
-  return memcpy(dest, src, src_len) + src_len;
- // strcpy(dest, src);
- // return dest + strlen(dest);
-}
-
-
-#if DEBUG>0
-
-/* Added by Paul Rombouts: This is only used in debug messages. */
-const char cflgnames[NCFLAGS*3]={'N','E','G','L','O','C','A','U','T','N','O','C','A','D','D','N','O','P','R','T','S'};
-const char dflgnames[NDFLAGS*3]={'N','E','G','L','O','C','A','U','T','N','O','C','W','L','D'};
-
-char *flags2str(unsigned flags,char *buf,int nflags,const char *flgnames)
-{
-	char *p=buf;
-	int i,nflgchars=3*nflags;
-	for(i=0;i<nflgchars;i+=3) {
-		if(flags&1) {
-			if(p>buf) *p++='|';
-			p=mempcpy(p,&flgnames[i],3);
-		}
-		flags >>= 1;
-	}
-	if(p==buf)
-		*p++='0';
-	*p=0;
-	return buf;
-}
-#endif
diff --git a/app/src/main/jni/pdnsd/src/cache.h b/app/src/main/jni/pdnsd/src/cache.h
deleted file mode 100644
index 5056dec..0000000
--- a/app/src/main/jni/pdnsd/src/cache.h
+++ /dev/null
@@ -1,306 +0,0 @@
-/* cache.h - Definitions for the dns cache
-
-   Copyright (C) 2000 Thomas Moestl
-   Copyright (C) 2003, 2004, 2005, 2010, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef _CACHE_H_
-#define _CACHE_H_
-
-#include <config.h>
-#include "ipvers.h"
-#include <stdio.h>
-#include "list.h"
-#include "dns.h"
-#include "conff.h"
-
-struct rr_lent_s;
-
-/*
- * These values are converted to host byte order. the data is _not_.
- */
-typedef struct rr_b_s  {
-	struct rr_b_s    *next;                   /* this is the next pointer in the dns_cent_t list. */
-	unsigned         rdlen;
-#if ALLOW_LOCAL_AAAA || defined(ENABLE_IPV6)
-	struct in6_addr  data[0];                 /* dummy for alignment */
-#else
-	struct in_addr   data[0];
-#endif
-} rr_bucket_t;
-
-typedef struct {
-	struct rr_lent_s *lent;                   /* this points to the list entry */
-	time_t           ttl;
-	time_t           ts;
-	unsigned short   flags;
-	rr_bucket_t      *rrs;
-} rr_set_t;
-
-
-typedef struct {
-	unsigned char    *qname;                  /* Name of the domain in length byte - string notation. */
-	size_t           cs;                      /* Size of the cache entry, including RR sets. */
-	unsigned short   num_rrs;                 /* The number of RR sets. When this decreases to 0, the cent is deleted. */
-	unsigned short   flags;                   /* Flags for the whole domain. */
-	union {
-		struct {                          /* Fields used only for negatively cached domains. */
-			struct rr_lent_s *lent;   /* list entry for the whole cent. */
-			time_t           ttl;     /* TTL for negative caching. */
-			time_t           ts;      /* Timestamp. */
-		} neg;
-		struct {                          /* Fields used only for domains that actually exist. */
-			rr_set_t         *(rrmu[NRRMU]); /* The most used records.
-							    Use the the value obtained from rrlkuptab[] as index. */
-			rr_set_t         **rrext; /* Pointer (may be NULL) to an array of size NNRREXT storing the
-						     less frequently used records. */
-		} rr;
-	};
-	unsigned char    c_ns,c_soa;              /* Number of trailing name elements in qname to use to find NS or SOA
-						     records to add to the authority section of a response. */
-} dns_cent_t;
-
-/* This value is used to represent an undefined c_ns or c_soa field. */
-#define cundef 0xff
-
-/*
- * the flag values for RR sets in the cache
- */
-#define CF_NEGATIVE    1       /* this one is for per-RRset negative caching*/
-#define CF_LOCAL       2       /* Local zone entry */
-#define CF_AUTH        4       /* authoritative record */
-#define CF_NOCACHE     8       /* Only hold for the cache latency time period, then purge.
-				* Not really written to cache, but used by add_cache. */
-#define CF_ADDITIONAL 16       /* This was fetched as an additional or "off-topic" record. */
-#define CF_NOPURGE    32       /* Do not purge this record */
-#define CF_ROOTSERV   64       /* This record was directly obtained from a root server */
-
-#define CFF_NOINHERIT (CF_LOCAL|CF_AUTH|CF_ADDITIONAL|CF_ROOTSERV) /* not to be inherited on requery */
-
-/*
- * the flag values for whole domains in the cache
- */
-#define DF_NEGATIVE    1       /* this one is for whole-domain negative caching (created on NXDOMAIN)*/
-#define DF_LOCAL       2       /* local record (in conj. with DF_NEGATIVE) */
-#define DF_AUTH        4       /* authoritative record */
-#define DF_NOCACHE     8       /* Only hold for the cache latency time period, then purge.
-				* Only used for negatively cached domains.
-				* Not really written to cache, but used by add_cache. */
-#define DF_WILD       16       /* subdomains of this domain have wildcard records */
-
-/* #define DFF_NOINHERIT (DF_NEGATIVE) */ /* not to be inherited on requery */
-
-enum {w_wild=1, w_neg, w_locnerr};  /* Used to distinguish different types of wildcard records. */
-
-#if DEBUG>0
-#define NCFLAGS 7
-#define NDFLAGS 5
-#define CFLAGSTRLEN (NCFLAGS*4)
-#define DFLAGSTRLEN (NDFLAGS*4)
-extern const char cflgnames[];
-extern const char dflgnames[];
-char *flags2str(unsigned flags,char *buf,int nflags,const char *flgnames);
-#define cflags2str(flags,buf) flags2str(flags,buf,NCFLAGS,cflgnames)
-#define dflags2str(flags,buf) flags2str(flags,buf,NDFLAGS,dflgnames)
-#endif
-
-/*
- * This is the time in secs any record remains at least in the cache before it is purged.
- * (exception is that the cache is full)
- */
-#define CACHE_LAT 120
-#define CLAT_ADJ(ttl) ((ttl)<CACHE_LAT?CACHE_LAT:(ttl))
-/* This is used internally to check if a rrset has timed out. */
-#define timedout(rrset) ((rrset)->ts+CLAT_ADJ((rrset)->ttl)<time(NULL))
-/* This is used internally to check if a negatively cached domain has timed out.
-   Only use if the DF_NEGATIVE bit is set! */
-#define timedout_nxdom(cent) ((cent)->neg.ts+CLAT_ADJ((cent)->neg.ttl)<time(NULL))
-
-extern volatile short int use_cache_lock;
-
-
-#ifdef ALLOC_DEBUG
-#define DBGPARAM ,int dbg
-#define DBGARG ,dbg
-#define DBG0 ,0
-#define DBG1 ,1
-#else
-#define DBGPARAM
-#define DBGARG
-#define DBG0
-#define DBG1
-#endif
-
-
-/* Initialize the cache. Call only once. */
-#define init_cache mk_dns_hash
-
-/* Initialize the cache lock. Call only once. */
-inline static void init_cache_lock()  __attribute__((always_inline));
-inline static void init_cache_lock()
-{
-	use_cache_lock=1;
-}
-
-int empty_cache(slist_array sla);
-void destroy_cache(void);
-void read_disk_cache(void);
-void write_disk_cache(void);
-
-int report_cache_stat(int f);
-int dump_cache(int fd, const unsigned char *name, int exact);
-
-/*
- *  add_cache expects the dns_cent_t to be filled.
- */
-void add_cache(dns_cent_t *cent);
-int add_reverse_cache(dns_cent_t * cent);
-void del_cache(const unsigned char *name);
-void invalidate_record(const unsigned char *name);
-int set_cent_flags(const unsigned char *name, unsigned flags);
-unsigned char *getlocalowner(unsigned char *name,int tp);
-dns_cent_t *lookup_cache(const unsigned char *name, int *wild);
-rr_set_t *lookup_cache_local_rrset(const unsigned char *name, int type);
-#if 0
-int add_cache_rr_add(const unsigned char *name, int tp, time_t ttl, time_t ts, unsigned flags, unsigned dlen, void *data, unsigned long serial);
-#endif
-
-inline static unsigned int mk_flag_val(servparm_t *server)
-  __attribute__((always_inline));
-inline static unsigned int mk_flag_val(servparm_t *server)
-{
-	unsigned int fl=0;
-	if (!server->purge_cache)
-		fl|=CF_NOPURGE;
-	if (server->nocache)
-		fl|=CF_NOCACHE;
-	if (server->rootserver)
-		fl|=CF_ROOTSERV;
-	return fl;
-}
-
-int init_cent(dns_cent_t *cent, const unsigned char *qname, time_t ttl, time_t ts, unsigned flags  DBGPARAM);
-int add_cent_rrset_by_type(dns_cent_t *cent,  int type, time_t ttl, time_t ts, unsigned flags  DBGPARAM);
-int add_cent_rr(dns_cent_t *cent, int type, time_t ttl, time_t ts, unsigned flags,unsigned dlen, void *data  DBGPARAM);
-int del_rrset(rr_set_t *rrs  DBGPARAM);
-void free_cent(dns_cent_t *cent  DBGPARAM);
-void free_cent0(void *ptr);
-void negate_cent(dns_cent_t *cent, time_t ttl, time_t ts);
-void del_cent(dns_cent_t *cent);
-
-/* Because this is empty by now, it is defined as an empty macro to save overhead.*/
-/*void free_rr(rr_bucket_t cent);*/
-#define free_rr(x)
-
-dns_cent_t *copy_cent(dns_cent_t *cent  DBGPARAM);
-
-#if 0
-unsigned long get_serial(void);
-#endif
-
-/* Get pointer to rrset given cache entry and rr type value. */
-inline static rr_set_t *getrrset(dns_cent_t *cent, int type)
-  __attribute__((always_inline));
-inline static rr_set_t *getrrset(dns_cent_t *cent, int type)
-{
-	if(!(cent->flags&DF_NEGATIVE)) {
-		int tpi= type - T_MIN;
-
-		if(tpi>=0 && tpi<T_NUM) {
-			unsigned int idx = rrlkuptab[tpi];
-			if(idx < NRRMU)
-				return cent->rr.rrmu[idx];
-			else {
-				idx -= NRRMU;
-				if(idx < NRREXT) {
-					rr_set_t **rrext= cent->rr.rrext;
-					if(rrext)
-						return rrext[idx];
-				}
-			}
-		}
-	}
-
-	return NULL;
-}
-
-/* This version of getrrset is slightly more efficient,
-   but also more dangerous, because it performs less checks.
-   It is safe to use if T_MIN <= type <= T_MAX and cent
-   is not negative.
-*/
-inline static rr_set_t *getrrset_eff(dns_cent_t *cent, int type)
-  __attribute__((always_inline));
-inline static rr_set_t *getrrset_eff(dns_cent_t *cent, int type)
-{
-	unsigned int idx = rrlkuptab[type-T_MIN];
-	if(idx < NRRMU)
-		return cent->rr.rrmu[idx];
-	else {
-		idx -= NRRMU;
-		if(idx < NRREXT) {
-			rr_set_t **rrext= cent->rr.rrext;
-			if(rrext)
-				return rrext[idx];
-		}
-	}
-
-	return NULL;
-}
-
-
-/* have_rr() tests whether a cache entry has at least one record of a given type.
-   Only use if T_MIN <= type <=T_MAX
-*/
-inline static int have_rr(dns_cent_t *cent, int type)
-  __attribute__((always_inline));
-inline static int have_rr(dns_cent_t *cent, int type)
-{
-	rr_set_t *rrset;
-	return !(cent->flags&DF_NEGATIVE) && (rrset=getrrset_eff(cent, type)) && rrset->rrs;
-}
-
-/* Some quick and dirty and hopefully fast macros. */
-#define PDNSD_NOT_CACHED_TYPE(type) ((type)<T_MIN || (type)>T_MAX || rrlkuptab[(type)-T_MIN]>=NRRTOT)
-
-/* This is useful for iterating over all the RR types in a cache entry in strict ascending order. */
-#define NRRITERLIST(cent) ((cent)->flags&DF_NEGATIVE?0:(cent)->rr.rrext?NRRTOT:NRRMU)
-#define RRITERLIST(cent)  ((cent)->flags&DF_NEGATIVE?NULL:(cent)->rr.rrext?rrcachiterlist:rrmuiterlist)
-
-/* The following macros use array indices as arguments, not RR type values! */
-#define GET_RRSMU(cent,i)  (!((cent)->flags&DF_NEGATIVE)?(cent)->rr.rrmu[i]:NULL)
-#define GET_RRSEXT(cent,i) (!((cent)->flags&DF_NEGATIVE) && (cent)->rr.rrext?(cent)->rr.rrext[i]:NULL)
-#define HAVE_RRMU(cent,i)  (!((cent)->flags&DF_NEGATIVE) && (cent)->rr.rrmu[i] && (cent)->rr.rrmu[i]->rrs)
-#define HAVE_RREXT(cent,i) (!((cent)->flags&DF_NEGATIVE) && (cent)->rr.rrext && (cent)->rr.rrext[i] && (cent)->rr.rrext[i]->rrs)
-
-#define RRARR_LEN(cent) ((cent)->flags&DF_NEGATIVE?0:(cent)->rr.rrext?NRRTOT:NRRMU)
-
-/* This allows us to index the RR-set arrays in a cache entry as if they formed one contiguous array. */
-#define RRARR_INDEX_TESTEXT(cent,i)    ((cent)->flags&DF_NEGATIVE?NULL:(i)<NRRMU?(cent)->rr.rrmu[i]:(cent)->rr.rrext?(cent)->rr.rrext[(i)-NRRMU]:NULL)
-/* This gets the address where the pointer to an RR-set is stored in a cache entry,
-   given the cache entry and an RR-set index.
-   Address may be NULL if no storage space for the type has been allocated. */
-#define RRARR_INDEX_PA_TESTEXT(cent,i) ((cent)->flags&DF_NEGATIVE?NULL:(i)<NRRMU?&(cent)->rr.rrmu[i]:(cent)->rr.rrext?&(cent)->rr.rrext[(i)-NRRMU]:NULL)
-
-/* The following macros should only be used if 0 <= i < RRARR_LEN(cent) ! */
-#define RRARR_INDEX(cent,i)    ((i)<NRRMU?(cent)->rr.rrmu[i]:(cent)->rr.rrext[(i)-NRRMU])
-#define RRARR_INDEX_PA(cent,i) ((i)<NRRMU?&(cent)->rr.rrmu[i]:&(cent)->rr.rrext[(i)-NRRMU])
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/conf-keywords.h b/app/src/main/jni/pdnsd/src/conf-keywords.h
deleted file mode 100644
index 2bcdacf..0000000
--- a/app/src/main/jni/pdnsd/src/conf-keywords.h
+++ /dev/null
@@ -1,238 +0,0 @@
-/* conf-keywords.h - Tables used by parser of configuration file.
-   Based on information previously contained in conf-lex.y and conf-parse.y
-
-   Copyright (C) 2004,2005,2006,2007,2008,2009,2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-enum {
-	ERROR,
-
-	GLOBAL,
-	SERVER,
-	RR,
-	NEG,
-	SOURCE,
-	INCLUDE_F,
-
-	PERM_CACHE,
-	CACHE_DIR,
-	SERVER_PORT,
-	SERVER_IP,
-	OUTGOING_IP,
-	SCHEME_FILE,
-	LINKDOWN_KLUGE,
-	MAX_TTL,
-	MIN_TTL,
-	RUN_AS,
-	STRICT_SETUID,
-	USE_NSS,
-	PARANOID,
-	IGNORE_CD,
-	STATUS_CTL,
-	DAEMON,
-	C_TCP_SERVER,
-	PID_FILE,
-	C_VERBOSITY,
-	C_QUERY_METHOD,
-	RUN_IPV4,
-	IPV4_6_PREFIX,
-	C_DEBUG,
-	C_CTL_PERMS,
-	C_PROC_LIMIT,
-	C_PROCQ_LIMIT,
-	TCP_QTIMEOUT,
-	C_PAR_QUERIES,
-	C_RAND_RECS,
-	NEG_TTL,
-	NEG_RRS_POL,
-	NEG_DOMAIN_POL,
-	QUERY_PORT_START,
-	QUERY_PORT_END,
-	UDP_BUFSIZE,
-	DELEGATION_ONLY,
-
-	IP,
-	PORT,
-	SCHEME,
-	UPTEST,
-	TIMEOUT,
-	PING_TIMEOUT,
-	PING_IP,
-	UPTEST_CMD,
-	QUERY_TEST_NAME,
-	INTERVAL,
-	INTERFACE,
-	DEVICE,
-	PURGE_CACHE,
-	CACHING,
-	LEAN_QUERY,
-	EDNS_QUERY,
-	PRESET,
-	PROXY_ONLY,
-	ROOT_SERVER,
-	RANDOMIZE_SERVERS,
-	INCLUDE,
-	EXCLUDE,
-	POLICY,
-	REJECTLIST,
-	REJECTPOLICY,
-	REJECTRECURSIVELY,
-	LABEL,
-
-	A,
-	PTR,
-	MX,
-	SOA,
-	CNAME,
-	TXT,
-	SPF,
-	NAME,
-	OWNER,
-	TTL,
-	TYPES,
-	FILET,
-	SERVE_ALIASES,
-	AUTHREC,
-	REVERSE
-};
-
-
-/* Table for looking up section headers. Order alphabetically! */
-static const namevalue_t section_headers[]= {
-	{"global",  GLOBAL},
-	{"include", INCLUDE_F},
-	{"neg",     NEG},
-	{"rr",      RR},
-	{"server",  SERVER},
-	{"source",  SOURCE}
-};
-
-/* Table for looking up global options. Order alphabetically! */
-static const namevalue_t global_options[]= {
-	{"cache_dir",         CACHE_DIR},
-	{"ctl_perms",         C_CTL_PERMS},
-	{"daemon",            DAEMON},
-	{"debug",             C_DEBUG},
-	{"delegation_only",   DELEGATION_ONLY},
-	{"ignore_cd",         IGNORE_CD},
-	{"interface",         SERVER_IP},
-	{"ipv4_6_prefix",     IPV4_6_PREFIX},
-	{"linkdown_kluge",    LINKDOWN_KLUGE},
-	{"max_ttl",           MAX_TTL},
-	{"min_ttl",           MIN_TTL},
-	{"neg_domain_pol",    NEG_DOMAIN_POL},
-	{"neg_rrs_pol",       NEG_RRS_POL},
-	{"neg_ttl",           NEG_TTL},
-	{"outgoing_ip",       OUTGOING_IP},
-	{"outside_interface", OUTGOING_IP},
-	{"par_queries",       C_PAR_QUERIES},
-	{"paranoid",          PARANOID},
-	{"perm_cache",        PERM_CACHE},
-	{"pid_file",          PID_FILE},
-	{"proc_limit",        C_PROC_LIMIT},
-	{"procq_limit",       C_PROCQ_LIMIT},
-	{"query_method",      C_QUERY_METHOD},
-	{"query_port_end",    QUERY_PORT_END},
-	{"query_port_start",  QUERY_PORT_START},
-	{"randomize_recs",    C_RAND_RECS},
-	{"run_as",            RUN_AS},
-	{"run_ipv4",          RUN_IPV4},
-	{"scheme_file",       SCHEME_FILE},
-	{"server_ip",         SERVER_IP},
-	{"server_port",       SERVER_PORT},
-	{"status_ctl",        STATUS_CTL},
-	{"strict_setuid",     STRICT_SETUID},
-	{"tcp_qtimeout",      TCP_QTIMEOUT},
-	{"tcp_server",        C_TCP_SERVER},
-	{"timeout",           TIMEOUT},
-	{"udpbufsize",        UDP_BUFSIZE},
-	{"use_nss",           USE_NSS},
-	{"verbosity",         C_VERBOSITY}
-};
-
-/* Table for looking up server options. Order alphabetically! */
-static const namevalue_t server_options[]= {
-	{"caching",            CACHING},
-	{"device",             DEVICE},
-	{"edns_query",         EDNS_QUERY},
-	{"exclude",            EXCLUDE},
-	{"file",               FILET},
-	{"include",            INCLUDE},
-	{"interface",          INTERFACE},
-	{"interval",           INTERVAL},
-	{"ip",                 IP},
-	{"label",              LABEL},
-	{"lean_query",         LEAN_QUERY},
-	{"ping_ip",            PING_IP},
-	{"ping_timeout",       PING_TIMEOUT},
-	{"policy",             POLICY},
-	{"port",               PORT},
-	{"preset",             PRESET},
-	{"proxy_only",         PROXY_ONLY},
-	{"purge_cache",        PURGE_CACHE},
-	{"query_test_name",    QUERY_TEST_NAME},
-	{"randomize_servers",  RANDOMIZE_SERVERS},
-	{"reject",             REJECTLIST},
-	{"reject_policy",      REJECTPOLICY},
-	{"reject_recursively", REJECTRECURSIVELY},
-	{"root_server",        ROOT_SERVER},
-	{"scheme",             SCHEME},
-	{"timeout",            TIMEOUT},
-	{"uptest",             UPTEST},
-	{"uptest_cmd",         UPTEST_CMD}
-};
-
-/* Table for looking up rr options. Order alphabetically! */
-static const namevalue_t rr_options[]= {
-	{"a",       A},
-	{"authrec", AUTHREC},
-	{"cname",   CNAME},
-	{"mx",      MX},
-	{"name",    NAME},
-	{"ns",      OWNER},
-	{"owner",   OWNER},
-	{"ptr",     PTR},
-	{"reverse", REVERSE},
-	{"soa",     SOA},
-	{"spf",     SPF},
-	{"ttl",     TTL},
-	{"txt",     TXT}
-};
-
-/* Table for looking up source options. Order alphabetically! */
-static const namevalue_t source_options[]= {
-	{"authrec",       AUTHREC},
-	{"file",          FILET},
-	{"ns",            OWNER},
-	{"owner",         OWNER},
-	{"serve_aliases", SERVE_ALIASES},
-	{"ttl",           TTL}
-};
-
-/* Table for looking up include options. Order alphabetically! */
-static const namevalue_t include_options[]= {
-	{"file",          FILET}
-};
-
-/* Table for looking up neg options. Order alphabetically! */
-static const namevalue_t neg_options[]= {
-	{"name",  NAME},
-	{"ttl",   TTL},
-	{"types", TYPES}
-};
diff --git a/app/src/main/jni/pdnsd/src/conf-parser.c b/app/src/main/jni/pdnsd/src/conf-parser.c
deleted file mode 100644
index 9cf9180..0000000
--- a/app/src/main/jni/pdnsd/src/conf-parser.c
+++ /dev/null
@@ -1,2118 +0,0 @@
-/* conf-parser.c - Parser for pdnsd config files.
-   Based on the files conf-lex.l and conf-parse.y written by
-   Thomas Moestl.
-   This version was rewritten in C from scratch by Paul A. Rombouts
-   and doesn't require (f)lex or yacc/bison.
-
-   Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011 Paul A. Rombouts.
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include "ipvers.h"
-#include <string.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <stdarg.h>
-#if defined(HAVE_STRUCT_IFREQ)
-#include <sys/ioctl.h>
-#endif
-#include "conff.h"
-#include "consts.h"
-#include "cache.h"
-#include "dns.h"
-#include "helpers.h"
-#include "rr_types.h"
-#include "netdev.h"
-#include "conf-keywords.h"
-#include "conf-parser.h"
-
-
-/* Check that include files are not nested deeper than MAXINCLUDEDEPTH,
-   as a precaution against infinite recursion. */
-#define MAXINCLUDEDEPTH 100
-
-static char *report_error (const char *conftype, unsigned linenr, const char *msg)
-{
-  char *retval;
-  if(linenr) {
-    if(asprintf(&retval, "Error in %s (line %u): %s",conftype,linenr,msg)<0)
-      retval=NULL;
-  }
-  else {
-    if(asprintf(&retval, "Error in %s: %s",conftype,msg)<0)
-      retval=NULL;
-  }
-
-  return retval;
-}
-
-static char *report_errorf (const char *conftype, unsigned linenr, const char *frm,...) printfunc(3, 4);
-static char *report_errorf (const char *conftype, unsigned linenr, const char *frm,...)
-{
-  char *msg,*retval; int mlen;
-  va_list va;
-  va_start(va,frm);
-  mlen=vasprintf(&msg,frm,va);
-  va_end(va);
-  if(mlen<0) return NULL;
-  retval=report_error(conftype,linenr,msg);
-  free(msg);
-  return retval;
-}
-
-/* return pointer to next character in linebuffer after skipping blanks and comments */
-static char* getnextp(char **buf, size_t *n, FILE* in, char *p, unsigned *linenr, char **errstr)
-{
-  if(!p) goto nextline;
- tryagain:
-  if(!*p) {
-  nextline:
-    do {
-      if(!in || getline(buf,n,in)<0) {
-	*errstr=NULL;
-	return NULL;
-      }
-      ++*linenr;
-      p=*buf;
-    } while(!*p);
-  }
-  if(isspace(*p)) {
-    ++p; goto tryagain;
-  }
-  if(*p=='#') {
-  skip_rest_of_line:
-    if(*linenr)
-      goto nextline;
-    else {
-      p=strchr(p,'\n');
-      if(p) {
-	++p;
-	goto tryagain;
-      }
-      else
-	goto nextline;
-    }
-  }
-  if(*p=='/') {
-    if(*(p+1)=='/')
-      goto skip_rest_of_line;
-    if(*(p+1)=='*') {
-      int lev=1;
-      p +=2;
-      for(;;) {
-	while(*p) {
-	  if(*p=='/' && *(p+1)=='*') {
-	    ++lev;
-	    p +=2;
-	    continue;
-	  }
-	  else if(*p=='*' && *(p+1)=='/') {
-	    p +=2;
-	    if(--lev==0) goto tryagain;
-	    continue;
-	  }
-	  ++p;
-	}
-	if(!in || getline(buf,n,in)<0) {
-	  *errstr="comment without closing */";
-	  return NULL;
-	}
-	++*linenr;
-	p=*buf;
-      }
-    }
-  }
-
-  return p;
-}
-
-static char translescapedchar(char c)
-{
-  switch(c) {
-  case 'f': return '\f';
-  case 'n': return '\n';
-  case 'r': return '\r';
-  case 't': return '\t';
-  case 'v': return '\v';
-  }
-  return c;
-}
-
-/* Scan a buffer for a string and copy the decoded (i.e. unescaped) version into
-   another buffer.
-
-   A string either begins after and ends before a double-quote ("),
-   or simply consists of a sequence of "non-special" characters,
-   starting at the current position.
-   A back-slash (\) acts as an escape character, preventing any character
-   following it from terminating the string. Thus, for example,
-   back-slash double-quote (\") may be used to include double-quotes
-   in a string.
-   A number of escape sequences are interpreted as in C, e.g.
-   \t, \n, \r yield control-chars as in C.
-
-   char **curp should point to the position in the buffer where
-               the scanning should begin. It will be updated to point
-               to the first character past the scanned string.
-
-   char *outbuf is used to store the decoded string.
-   size_t outbufsz should be the size of outbuf.
-
-   The return value is the length of the decoded string, unless an error occurs,
-   in which case -1 is returned and *errstr is assigned an error message.
-   The returned length may be larger than outbufsz, in which case the buffer
-   is filled with only the first outbufsz chars of the string.
-*/
-static int scan_string(char **curp,char *outbuf, unsigned outbufsz, char **errstr)
-{
-  char *cur=*curp;
-  unsigned i=0;
-
-  if(*cur=='"') {
-    /* Double-quoted string. */
-    ++cur; /* Skip opening quote. */
-    for(;; ++i,++cur) {
-      if(!*cur) goto noclosingquote;
-      if(*cur=='"') break;
-      if(*cur=='\\') {
-	if(!*++cur) goto nofollowingchar;
-	if(i<outbufsz)
-	  outbuf[i]= translescapedchar(*cur);
-      }
-      else if(i<outbufsz)
-	outbuf[i]= *cur;
-    }
-    ++cur; /* Skip closing quote. */
-  }
-  else {
-    /* Bare (unquoted) string. */
-    for(; *cur; ++i,++cur) {
-      if(*cur=='\\') {
-	/* Accept any non-null char following a back-slash. */
-	if(!*++cur) goto nofollowingchar;
-	if(i<outbufsz)
-	  outbuf[i]= translescapedchar(*cur);
-      }
-      else if(isspace(*cur) ||
-	      *cur==',' || *cur==';' ||
-	      *cur=='{' || *cur=='}' ||
-	      *cur=='"' || *cur=='#' ||
-	      (*cur=='/' && (*(cur+1)=='/'|| *(cur+1)=='*')))
-	break;
-      else if(i<outbufsz)
-	outbuf[i]= *cur;
-    }
-  }
-
-  if(i<outbufsz)
-    outbuf[i]=0;
-  *curp=cur;
-  return i;
-
- noclosingquote:
-  *errstr="quoted string without closing quote";
-  return -1;
- nofollowingchar:
-  *errstr="may not use backslash to escape end-of-line";
-  return -1;
-}
-
-
-/* Convert a string to a time value in seconds.
-   The string referred to by nptr is scanned for a sequence of components,
-   where each component contains a non-empty sequence of digits followed
-   by a possible one-letter suffix.
-   The position where the scanning stops is returned in endptr.
-   If an error is detected during scanning, a pointer to a
-   (static) error message is returned in errstr.
-*/
-static time_t strtotime(char *nptr, char **endptr, char **errstr)
-{
-  time_t retval=0,t;
-  char c;
-
-  *errstr=NULL;
-  while(isalnum(c=*nptr)) {
-    if(!isdigit(c)) {
-	*errstr="no digits before suffix.";
-	break;
-    }
-
-    t=strtol(nptr,&nptr,10);
-
-    if(isalpha(c=*nptr)) {
-      if(c=='s') /* seconds */
-	;
-      else if(c=='m') /* minutes */
-	t *= 60;
-      else if(c=='h') /* hours */
-	t *= 60*60;
-      else if(c=='d') /* days */
-	t *= 24*60*60;
-      else if(c=='w') /* weeks */
-	t *= 7*24*60*60;
-      else {
-	*errstr="allowed suffixes are w,d,h,m,s.";
-	break;
-      }
-      ++nptr;
-    }
-
-    retval += t;
-  }
-
-  if(endptr) *endptr=nptr;
-  return retval;
-}
-
-
-#define lookup_keyword(name,len,dic) binsearch_keyword(name,len,dic,sizeof(dic)/sizeof(namevalue_t))
-static const char *parse_ip(const char *ipstr, pdnsd_a *a);
-static const char *addr_add(atup_array *ata, const char *ipstr);
-#define addr_add_(ata,ipstr,len) addr_add(ata,ipstr)
-static const char *reject_add(servparm_t *serv, const char *ipstr);
-#define reject_add_(serv,ipstr,len) reject_add(serv,ipstr)
-static void check_localaddrs(servparm_t *serv);
-static int read_resolv_conf(const char *fn, atup_array *ata, char **errstr);
-static const char *slist_add(slist_array *sla, const char *nm, unsigned int len, int tp);
-#define include_list_add(sla,nm,len) slist_add(sla,nm,len,C_INCLUDED)
-#define exclude_list_add(sla,nm,len) slist_add(sla,nm,len,C_EXCLUDED)
-static const char *zone_add(zone_array *za, const char *zone, unsigned int len);
-
-#define CONCAT(a,b) a ## b
-/* a macro for concatenating tokens that expands its arguments */
-#define XCONCAT(a,b) CONCAT(a,b)
-/* a macro for generating (mostly) unique labels using line number */
-#define N_LABEL(pre) XCONCAT(pre,__LINE__)
-
-
-#define SCAN_ALPHANUM(start,cur,len)			\
-{							\
-  (start)=(cur);					\
-  do {							\
-    ++(cur);						\
-  } while(*(cur) && (isalnum(*(cur)) || *(cur)=='_'));	\
-  (len)=(cur)-(start);					\
-}
-
-#define STRNDUP(dst,src,len)			\
-{						\
-  if(dst) free(dst);				\
-  if(!((dst)=strndup(src,len))) {		\
-    OUTOFMEMERROR;				\
-  }						\
-}
-
-#define STRNCP(dst,src,len,errmsg)		\
-{						\
-  if ((len)<sizeof(dst)) {			\
-    memcpy(dst,src,len);			\
-    (dst)[len]=0;				\
-  }						\
-  else {					\
-    REPORT_ERROR(errmsg ": string too long");	\
-    PARSERROR;					\
-  }						\
-}
-
-/* TEMPSTRNCPY declares dst as a variable length array */
-#define TEMPSTRNCPY(dst,src,len)		\
-  char dst[(len)+1];				\
-  memcpy(dst,src,len);				\
-  dst[len]=0;
-
-#define SCAN_STRING_LIST(dst,cur,strbuf,len,addfunc)	\
-{							\
-  for(;;) {						\
-    const char *_err;					\
-    SCAN_STRING(cur,strbuf,len);			\
-    if((_err=addfunc(dst,strbuf,len))) {		\
-      REPORT_ERROR(_err);				\
-      PARSERROR;					\
-    }							\
-    SKIP_BLANKS(cur);					\
-    if(*(cur)!=',') break;				\
-    ++(cur);						\
-    SKIP_BLANKS(cur);					\
-  }							\
-}
-
-#define ASSIGN_ON_OFF(dst,cur,onoff,errmsg)	\
-{						\
-  if(isalpha(*(cur))) {				\
-    char *_str;					\
-    size_t _len;				\
-    int _cnst;					\
-    SCAN_ALPHANUM(_str,cur,_len);		\
-    _cnst=lookup_const(_str,_len);		\
-    if(_cnst==C_ON || _cnst==C_OFF) {		\
-      (dst)=(_cnst==(onoff));			\
-    }						\
-    else {					\
-      goto N_LABEL(ASSIGN_ON_OFF_) ;		\
-    }						\
-  }						\
-  else {					\
-  N_LABEL(ASSIGN_ON_OFF_) :			\
-    REPORT_ERROR(errmsg);			\
-    PARSERROR;					\
-  }						\
-}
-
-#define ASSIGN_CONST(dst,cur,test,errmsg)	\
-{						\
-  if(isalpha(*(cur))) {				\
-    char *_str;					\
-    size_t _len;				\
-    SCAN_ALPHANUM(_str,cur,_len);		\
-    (dst)=lookup_const(_str,_len);		\
-    if(!(test)) {				\
-      goto N_LABEL(ASSIGN_CONST_) ;		\
-    }						\
-  }						\
-  else {					\
-  N_LABEL(ASSIGN_CONST_) :			\
-    REPORT_ERROR(errmsg);			\
-    PARSERROR;					\
-  }						\
-}
-
-#define SCAN_UNSIGNED_NUM(dst,cur,errmsg)				\
-{									\
-  if(isdigit(*(cur))) {							\
-    dst=strtol(cur,&(cur),0);						\
-  }									\
-  else {								\
-    REPORT_ERROR("expected unsigned integer value for " errmsg);	\
-    PARSERROR;								\
-  }									\
-}
-
-#define SCAN_TIMESECS(dst,cur,errmsg)						\
-{										\
-  if(isdigit(*(cur))) {								\
-    char *_err;									\
-    dst=strtotime(cur,&(cur),&_err);						\
-    if(_err) {									\
-      REPORT_ERRORF("invalid time specification for %s: %s",errmsg,_err);	\
-      PARSERROR;								\
-    }										\
-  }										\
-  else {									\
-    REPORT_ERROR("expected a time specification for " errmsg);			\
-    PARSERROR;									\
-  }										\
-}
-
-#define PARSESTR2RHN(src,len,dst)		\
-{						\
-  const char *_err;				\
-  if ((_err=parsestr2rhn(src,len,dst))) {	\
-    REPORT_ERROR(_err);				\
-    PARSERROR;					\
-  }						\
-}
-
-
-#if 0
-/* Copy a domain name, adding a dot at the end if necessary.
-   The format of the name (including the length) is checked with parsestr2rhn()
-*/
-#define DOM_NAME_CPY(dst,src,len)		\
-{						\
-  unsigned char _buf[DNSNAMEBUFSIZE];		\
-  PARSESTR2RHN(src,len,_buf);			\
-  memcpy(dst,src,len);				\
-  (dst)[len]=0;					\
-  if((len)==0 || (dst)[(len)-1]!='.') {		\
-    (dst)[len]='.'; (dst)[(len)+1]=0;		\
-  }						\
-}
-#endif
-
-# define SKIP_COMMA(cur,errmsg)			\
-{						\
-  SKIP_BLANKS(cur);				\
-  if(*(cur)!=',') {				\
-    REPORT_ERROR(errmsg);			\
-    PARSERROR;					\
-  }						\
-  ++(cur);					\
-  SKIP_BLANKS(cur);				\
-}
-
-
-/* Parse a configuration file, adding data to a (separate) global section and servers array,
-   and the cache.
-
-   FILE *in should point to the input stream. It may be NULL, in which case no file is read.
-
-   char *prestr may be NULL or point to a string which will be parsed before the input file.
-
-   globparm_t *global should point to a struct which will be used to store the data of the
-                      global section(s). If it is NULL, no global sections are allowed in the
-		      input.
-
-   servparm_array *servers should point to a dynamic array which will be grown to store the data
-                           of the server sections. If it is NULL, no server sections are allowed
-			   in the input.
-
-   int includedepth is used to track how deeply recursive calls of confparse are nested.
-                    Should be 0 for a top-level call.
-
-   char **errstr is used to return a possible error message.
-                 In case of failure, *errstr will refer to a newly allocated string.
-
-   confparse returns 1 on success, 0 on failure.
-*/
-int confparse(FILE* in, char *prestr, globparm_t *global, servparm_array *servers, int includedepth, char **errstr)
-{
-  char *linebuf=NULL,*p,*ps,*getnextperr=NULL,*scanstrerr=NULL;
-  const char *conftype;
-  size_t buflen=256;
-  unsigned linenr=0;
-  int retval=0,sechdr,option,len;
-  char strbuf[1024];
-# define CLEANUP_HANDLER
-# define CLEANUP_HANDLER2
-# define CLEANUP_HANDLERS CLEANUP_HANDLER2;CLEANUP_HANDLER
-# define SKIP_BLANKS(cur) {if(!((cur)=getnextp(&linebuf,&buflen,in,cur,&linenr,&getnextperr))) {CLEANUP_HANDLERS; goto unexpected_eof;}}
-# define SCAN_STRING(cur,buf,len) {					\
-    if(((len)=scan_string(&(cur),buf,sizeof(buf),&scanstrerr))==-1)	\
-      {CLEANUP_HANDLERS; goto string_err;}				\
-    else if((len)>=sizeof(buf))						\
-      {CLEANUP_HANDLERS; goto string_too_long;}				\
-  }
-# define REPORT_ERROR(msg) (*errstr=report_error(conftype,linenr,msg))
-# if !defined(CPP_C99_VARIADIC_MACROS)
-   /* GNU C Macro Varargs style. */
-#  define REPORT_ERRORF(args...) (*errstr=report_errorf(conftype,linenr,args))
-#else
-   /* ANSI C99 style. */
-#  define REPORT_ERRORF(...) (*errstr=report_errorf(conftype,linenr,__VA_ARGS__))
-# endif
-# define PARSERROR {CLEANUP_HANDLERS; goto free_linebuf_return;}
-# define OUTOFMEMERROR {CLEANUP_HANDLERS; goto out_of_memory;}
-# define CLEANUP_GOTO(lab) {CLEANUP_HANDLERS; goto lab;}
-
-  *errstr=NULL;
-  if(in) {
-    linebuf=malloc(buflen);
-    if(!linebuf) {
-      /* If malloc() just failed, allocating space for an error message is unlikely to succeed. */
-      return 0;
-    }
-    if(global)
-      conftype="config file";
-    else
-      conftype="include file";
-  }
-  else
-    conftype="config string";
-
-  p=prestr;
-  while((p=getnextp(&linebuf,&buflen,in,p,&linenr,&getnextperr))) {
-    if(isalpha(*p)) {
-      SCAN_ALPHANUM(ps,p,len);
-      sechdr=lookup_keyword(ps,len,section_headers);
-      if(!sechdr) {
-	REPORT_ERRORF("invalid section header: %.*s",(int)len,ps);
-	PARSERROR;
-      }
-      SKIP_BLANKS(p);
-      if(*p!='{') goto expected_bropen;
-      ++p;
-      SKIP_BLANKS(p);
-
-      switch(sechdr) {
-      case GLOBAL:
-	if(!global) {
-	  REPORT_ERROR(in?"global section not allowed in include file":
-		       "global section not allowed in eval string");
-	  PARSERROR;
-	}
-
-	while(isalpha(*p)) {
-	  SCAN_ALPHANUM(ps,p,len);
-	  option=lookup_keyword(ps,len,global_options);
-	  if(!option) {
-	    REPORT_ERRORF("invalid option for global section: %.*s",(int)len,ps);
-	    PARSERROR;
-	  }
-	  SKIP_BLANKS(p);
-	  if(*p!='=') goto expected_equals;
-	  ++p;
-	  SKIP_BLANKS(p);
-
-	  switch(option) {
-	    pdnsd_a *ipaddrp;
-
-	  case PERM_CACHE:
-	    if (isalpha(*p)) {
-	      int cnst;
-	      SCAN_ALPHANUM(ps,p,len);
-	      cnst=lookup_const(ps,len);
-	      if(cnst==C_OFF) {
-		global->perm_cache=0;
-	      }
-	      else
-		goto bad_perm_cache_option;
-	    }
-	    else if(isdigit(*p)) {
-	      global->perm_cache=strtol(p,&p,0);
-	    }
-	    else {
-	    bad_perm_cache_option:
-	      REPORT_ERROR("bad qualifier in perm_cache= option.");
-	      PARSERROR;
-	    }
-	    break;
-
-	  case CACHE_DIR:
-	    SCAN_STRING(p,strbuf,len);
-	    STRNDUP(global->cache_dir,strbuf,len);
-	    break;
-
-	  case SERVER_PORT:
-	    SCAN_UNSIGNED_NUM(global->port,p,"server_port option")
-	    break;
-
-	  case OUTGOING_IP:
-	    ipaddrp= &global->out_a;
-	    goto scan_ip_or_interface;
-
-	  case SERVER_IP:
-	    ipaddrp= &global->a;
-	  scan_ip_or_interface:
-	    SCAN_STRING(p,strbuf,len);
-	    {
-	      const char *err;
-	      if ((err=parse_ip(strbuf,ipaddrp))) {
-#if defined(HAVE_STRUCT_IFREQ) && defined(IFNAMSIZ) && defined(SIOCGIFADDR)
-		if(!strcmp(err,"bad IP address") && len<IFNAMSIZ) {
-		  /* Treat the string argument as the name of an interface
-		     and try to find its IP address.
-		  */
-		  int fd;
-		  struct ifreq req;
-		  memcpy(req.ifr_name, strbuf, len);
-		  req.ifr_name[len]=0;
-		  req.ifr_addr.sa_family = PDNSD_AF_INET;
-
-
-		  if ((fd = socket(PDNSD_PF_INET, SOCK_DGRAM, 0))!=-1 && ioctl(fd, SIOCGIFADDR, &req)!=-1) {
-# ifdef ENABLE_IPV4
-		    if (run_ipv4)
-		      ipaddrp->ipv4= ((struct sockaddr_in *)&req.ifr_addr)->sin_addr;
-# endif
-# ifdef ENABLE_IPV6
-		    ELSE_IPV6
-		      ipaddrp->ipv6= ((struct sockaddr_in6 *)&req.ifr_addr)->sin6_addr;
-# endif
-		    close(fd);
-		  }
-		  else {
-		    REPORT_ERRORF("Failed to get IP address of %s: %s",req.ifr_name,strerror(errno));
-		    if(fd!=-1) close(fd);
-		    PARSERROR;
-		  }
-		}
-		else
-#endif
-		  {
-		    REPORT_ERRORF("%s for the %s= option.",err,option==SERVER_IP?"server_ip":"outgoing_ip");
-		    PARSERROR;
-		  }
-	      }
-	    }
-	    break;
-
-	  case SCHEME_FILE:
-	    SCAN_STRING(p,strbuf,len);
-	    STRNDUP(global->scheme_file, strbuf,len);
-	    break;
-
-	  case LINKDOWN_KLUGE:
-	    ASSIGN_ON_OFF(global->lndown_kluge,p,C_ON,"bad qualifier in linkdown_kluge= option.");
-	    break;
-
-	  case MAX_TTL:
-	    SCAN_TIMESECS(global->max_ttl,p,"max_ttl option");
-	    break;
-
-	  case MIN_TTL:
-	    SCAN_TIMESECS(global->min_ttl,p,"min_ttl option");
-	    break;
-
-	  case RUN_AS:
-	    SCAN_STRING(p,strbuf,len);
-	    STRNCP(global->run_as, strbuf,len, "run_as");
-	    break;
-
-	  case STRICT_SETUID:
-	    ASSIGN_ON_OFF(global->strict_suid, p,C_ON,"bad qualifier in strict_setuid= option.");
-	    break;
-
-	  case USE_NSS:
-	    ASSIGN_ON_OFF(global->use_nss, p,C_ON,"bad qualifier in use_nss= option.");
-	    break;
-
-	  case PARANOID:
-	    ASSIGN_ON_OFF(global->paranoid, p,C_ON,"bad qualifier in paranoid= option.");
-	    break;
-
-	  case IGNORE_CD: {
-	    int ignore_cd;
-	    ASSIGN_ON_OFF(ignore_cd, p,C_ON,"bad qualifier in ignore_cd= option.");
-	    fprintf(stderr, "Warning: ignore_cd option in configuration file is obsolete and currently has no effect.\n");
-	  }
-	    break;
-
-	  case STATUS_CTL: {
-	    int cnst;
-	    ASSIGN_CONST(cnst, p,cnst==C_ON || cnst==C_OFF ,"bad qualifier in status_pipe= option.");
-	    if(!cmdline.stat_pipe) global->stat_pipe=(cnst==C_ON);
-	  }
-	    break;
-
-	  case DAEMON: {
-	    int cnst;
-	    ASSIGN_CONST(cnst, p,cnst==C_ON || cnst==C_OFF ,"bad qualifier in daemon= option.");
-	    if(!cmdline.daemon) global->daemon=(cnst==C_ON);
-	  }
-	    break;
-
-	  case C_TCP_SERVER: {
-	    int cnst;
-	    ASSIGN_CONST(cnst, p,cnst==C_ON || cnst==C_OFF ,"bad qualifier in tcp_server= option.");
-	    if(!cmdline.notcp) {
-	      global->notcp=(cnst==C_OFF);
-#ifdef NO_TCP_SERVER
-	      if(!global->notcp) {
-		REPORT_ERROR("pdnsd was compiled without TCP server support. tcp_server=on is not allowed.");
-		PARSERROR;
-	      }
-#endif
-	    }
-	  }
-	    break;
-
-	  case PID_FILE:
-	    SCAN_STRING(p,strbuf,len);
-	    if(!cmdline.pidfile) {STRNDUP(global->pidfile,strbuf,len);}
-	    break;
-
-	  case C_VERBOSITY: {
-	    int val;
-	    SCAN_UNSIGNED_NUM(val,p,"verbosity option");
-	    if(!cmdline.verbosity) global->verbosity=val;
-	  }
-	    break;
-
-	  case C_QUERY_METHOD: {
-	    int cnst;
-	    ASSIGN_CONST(cnst,p,cnst==TCP_ONLY || cnst==UDP_ONLY || cnst==TCP_UDP || cnst==UDP_TCP,"bad qualifier in query_method= option.");
-#ifdef NO_TCP_QUERIES
-	    if (cnst==TCP_ONLY) {
-	      REPORT_ERROR("the tcp_only option is only available when pdnsd is compiled with TCP support.");
-	      PARSERROR;
-	    }
-	    else
-#endif
-#ifdef NO_UDP_QUERIES
-	      if (cnst==UDP_ONLY) {
-		REPORT_ERROR("the udp_only option is only available when pdnsd is compiled with UDP support.");
-		PARSERROR;
-	      }
-	      else
-#endif
-#if defined(NO_TCP_QUERIES) || defined(NO_UDP_QUERIES)
-		if (cnst==TCP_UDP) {
-		  REPORT_ERROR("the tcp_udp option is only available when pdnsd is compiled with both TCP and UDP support.");
-		  PARSERROR;
-		}
-		else if (cnst==UDP_TCP) {
-		  REPORT_ERROR("the udp_tcp option is only available when pdnsd is compiled with both TCP and UDP support.");
-		  PARSERROR;
-		}
-		else
-#endif
-		  if(!cmdline.query_method) global->query_method=cnst;
-	  }
-	    break;
-
-	  case RUN_IPV4: {
-	    int cnst;
-	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF,"bad qualifier in run_ipv4= option.");
-#ifndef ENABLE_IPV4
-	    if(cnst==C_ON) {
-	      REPORT_ERROR("You can only set run_ipv4=on when pdnsd is compiled with IPv4 support.");
-	      PARSERROR;
-	    }
-#endif
-#ifndef ENABLE_IPV6
-	    if(cnst==C_OFF) {
-	      REPORT_ERROR("You can only set run_ipv4=off when pdnsd is compiled with IPv6 support.");
-	      PARSERROR;
-	    }
-#endif
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-	    if(!cmdlineipv) {
-	      run_ipv4=(cnst==C_ON); cmdlineipv=-1;
-	    }
-	    else if(cmdlineipv<0 && run_ipv4!=(cnst==C_ON)) {
-	      REPORT_ERROR(cmdlineipv==-1?
-			   "IPv4/IPv6 conflict: you are trying to set run_ipv4 to a value that conflicts with a previous run_ipv4 setting.":
-			   "You must set the run_ipv4 option before specifying IP addresses.");
-	      PARSERROR;
-	    }
-#endif
-	  }
-	    break;
-
-	  case IPV4_6_PREFIX:
-	    SCAN_STRING(p,strbuf,len);
-#ifdef ENABLE_IPV6
-	    if(!cmdline.prefix) {
-	      if(inet_pton(AF_INET6,strbuf,&global->ipv4_6_prefix)<=0) {
-		REPORT_ERROR("ipv4_6_prefix: argument not a valid IPv6 address.");
-		PARSERROR;
-	      }
-	    }
-#else
-	    fprintf(stderr,"pdnsd was compiled without IPv6 support. ipv4_6_prefix option in config file will be ignored.\n");
-#endif
-	    break;
-
-	  case C_DEBUG: {
-	    int cnst;
-	    ASSIGN_CONST(cnst, p,cnst==C_ON || cnst==C_OFF ,"bad qualifier in debug= option.");
-	    if(!cmdline.debug) {
-	      global->debug=(cnst==C_ON);
-#if !DEBUG
-	      if(global->debug)
-		fprintf(stderr,"pdnsd was compiled without debugging support. debug=on has no effect.\n");
-#endif
-	    }
-	  }
-	    break;
-
-	  case C_CTL_PERMS:
-	    SCAN_UNSIGNED_NUM(global->ctl_perms, p,"ctl_perms option");
-	    break;
-
-	  case C_PROC_LIMIT:
-	    SCAN_UNSIGNED_NUM(global->proc_limit, p,"proc_limit option");
-	    break;
-
-	  case C_PROCQ_LIMIT:
-	    SCAN_UNSIGNED_NUM(global->procq_limit, p,"procq_limit option");
-	    break;
-
-	  case TCP_QTIMEOUT:
-	    SCAN_TIMESECS(global->tcp_qtimeout, p,"tcp_qtimeout option");
-	    break;
-
-	  case TIMEOUT:
-	    SCAN_TIMESECS(global->timeout, p,"global timeout option");
-	    break;
-
-	  case C_PAR_QUERIES: {
-	    int val;
-	    SCAN_UNSIGNED_NUM(val, p,"par_queries option");
-	    if(val<=0) {
-	      REPORT_ERROR("bad value for par_queries.");
-	      PARSERROR;
-	    } else {
-	      global->par_queries=val;
-	    }
-	  }
-	    break;
-
-	  case C_RAND_RECS:
-	    ASSIGN_ON_OFF(global->rnd_recs, p,C_ON,"bad qualifier in randomize_recs= option.");
-	    break;
-
-	  case NEG_TTL:
-	    SCAN_TIMESECS(global->neg_ttl, p,"neg_ttl option");
-	    break;
-
-	  case NEG_RRS_POL: {
-	    int cnst;
-	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF || cnst==C_DEFAULT || cnst==C_AUTH,
-			 "bad qualifier in neg_rrs_pol= option.");
-	    global->neg_rrs_pol=cnst;
-	  }
-	    break;
-
-	  case NEG_DOMAIN_POL: {
-	    int cnst;
-	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF || cnst==C_AUTH,"bad qualifier in neg_domain_pol= option.");
-	    global->neg_domain_pol=cnst;
-	  }
-	    break;
-
-	  case QUERY_PORT_START: {
-	    int val;
-	    if(isalpha(*p)) {
-	      int cnst;
-	      SCAN_ALPHANUM(ps,p,len);
-	      cnst=lookup_const(ps,len);
-	      if(cnst==C_NONE)
-		val=-1;
-	      else
-		goto bad_port_start_option;
-	    }
-	    else if(isdigit(*p)) {
-	      val=strtol(p,&p,0);
-	      if(val>65535) {
-		REPORT_ERROR("value for query_port_start out of range.");
-		PARSERROR;
-	      }
-	      else if(val<1024)
-		fprintf(stderr,"Warning: query_port_start=%i but source ports <1204 can only be used as root.\n",
-			val);
-	    }
-	    else {
-	    bad_port_start_option:
-	      REPORT_ERROR("bad qualifier in query_port_start= option.");
-	      PARSERROR;
-	    }
-	    global->query_port_start=val;
-	  }
-	    break;
-
-	  case QUERY_PORT_END: {
-	    int val;
-	    SCAN_UNSIGNED_NUM(val,p,"query_port_end option");
-	    if(val>65535) {
-	      REPORT_ERROR("value for query_port_end out of range.");
-	      PARSERROR;
-	    }
-	    global->query_port_end=val;
-	  }
-	    break;
-
-	  case UDP_BUFSIZE: {
-	    int val;
-	    SCAN_UNSIGNED_NUM(val,p,"udpbufsize");
-	    if(val<512 || val>65535-(20+8)) {
-	      REPORT_ERROR("value for udpbufsize out of range.");
-	      PARSERROR;
-	    }
-	    global->udpbufsize=val;
-	  }
-	    break;
-
-	  case DELEGATION_ONLY:
-	    SCAN_STRING_LIST(&global->deleg_only_zones,p,strbuf,len,zone_add)
-	    break;
-
-	  default: /* we should never get here */
-	    goto internal_parse_error;
-	  } /* end of switch(option) */
-
-	  SKIP_BLANKS(p);
-	  if(*p!=';') goto expected_semicolon;
-	  ++p;
-	  SKIP_BLANKS(p);
-	}
-
-	if(*p!='}') goto expected_closing_brace;
-	if (global->query_port_end < global->query_port_start) {
-	  REPORT_ERROR("query_port_end may not be smaller than query_port_start.");
-	  PARSERROR;
-	}
-	break;
-
-      case SERVER: {
-	servparm_t server;
-
-	if(!servers) {
-	  REPORT_ERROR(in?"server section not allowed in include file":
-		       "server section not allowed in eval string");
-	  PARSERROR;
-	}
-
-	server=serv_presets;
-#	undef  CLEANUP_HANDLER
-#	define CLEANUP_HANDLER (free_servparm(&server))
-
-	while(isalpha(*p)) {
-	  SCAN_ALPHANUM(ps,p,len);
-	  option=lookup_keyword(ps,len,server_options);
-	  if(!option) {
-	    REPORT_ERRORF("invalid option for server section: %.*s",(int)len,ps);
-	    PARSERROR;
-	  }
-	  SKIP_BLANKS(p);
-	  if(*p!='=') CLEANUP_GOTO(expected_equals);
-	  ++p;
-	  SKIP_BLANKS(p);
-
-	  switch(option) {
-	  case IP:
-	    SCAN_STRING_LIST(&server.atup_a,p,strbuf,len,addr_add_);
-	    break;
-
-	  case FILET:
-	    SCAN_STRING(p,strbuf,len);
-	    {
-	      char *errmsg;
-	      if (!read_resolv_conf(strbuf, &server.atup_a, &errmsg)) {
-		if(errmsg) {REPORT_ERROR(errmsg); free(errmsg);}
-		else *errstr=NULL;
-		PARSERROR;
-	      }
-	    }
-	    break;
-
-	  case PORT:
-	    SCAN_UNSIGNED_NUM(server.port,p,"port option");
-	    break;
-
-	  case SCHEME:
-	    SCAN_STRING(p,strbuf,len);
-	    STRNCP(server.scheme, strbuf,len, "scheme");
-	    break;
-
-	  case UPTEST: {
-	    int cnst;
-	    ASSIGN_CONST(cnst,p,cnst==C_PING || cnst==C_NONE || cnst==C_IF || cnst==C_EXEC || cnst==C_DEV || cnst==C_DIALD || cnst==C_QUERY,"bad qualifier in uptest= option.");
-	    server.uptest=cnst;
-	  }
-	    break;
-
-	  case TIMEOUT:
-	    SCAN_TIMESECS(server.timeout,p,"timeout option");
-	    break;
-
-	  case PING_TIMEOUT:
-	    SCAN_UNSIGNED_NUM(server.ping_timeout,p,"ping_timeout option");
-	    break;
-
-	  case PING_IP:
-	    SCAN_STRING(p,strbuf,len);
-	    {
-	      const char *err;
-	      if ((err=parse_ip(strbuf,&server.ping_a))) {
-		REPORT_ERRORF("%s for the ping_ip= option.",err);
-		PARSERROR;
-	      }
-	    }
-	    break;
-
-	  case UPTEST_CMD:
-	    SCAN_STRING(p,strbuf,len);
-	    STRNDUP(server.uptest_cmd, strbuf,len);
-	    SKIP_BLANKS(p);
-	    if(*p==',') {
-	      ++p;
-	      SKIP_BLANKS(p);
-	      SCAN_STRING(p,strbuf,len);
-	      STRNCP(server.uptest_usr, strbuf,len, "second argument of uptest_cmd");
-	    }
-	    break;
-
-	  case QUERY_TEST_NAME:
-	    if(isalpha(*p)) {
-	      int cnst;
-	      SCAN_ALPHANUM(ps,p,len);
-	      if(*p!='.' && *p!='-') {
-		cnst=lookup_const(ps,len);
-		if(cnst==C_NONE) {
-		  if(server.query_test_name)
-		    free(server.query_test_name);
-		  server.query_test_name=NULL;
-		  break;
-		}
-	      }
-	      p=ps;  /* reset current char pointer and try again. */
-	    }
-	    {
-	      unsigned char tname[DNSNAMEBUFSIZE], *copy;
-	      unsigned sz;
-
-	      SCAN_STRING(p,strbuf,len);
-	      PARSESTR2RHN(ucharp strbuf,len,tname);
-	      sz=rhnlen(tname);
-	      copy= malloc(sz);
-	      if(!copy) {
-		OUTOFMEMERROR;
-	      }
-	      memcpy(copy,tname,sz);
-	      if(server.query_test_name)
-		free(server.query_test_name);
-	      server.query_test_name=copy;
-	    }
-	    break;
-
-	  case INTERVAL:
-	    if(isalpha(*p)) {
-	      int cnst;
-	      SCAN_ALPHANUM(ps,p,len);
-	      cnst=lookup_const(ps,len);
-	      if(cnst==C_ONQUERY) {
-		server.interval=-1;
-	      }
-	      else if(cnst==C_ONTIMEOUT) {
-		server.interval=-2;
-	      }
-	      else {
-		goto bad_interval_option;
-	      }
-	    }
-	    else if(isdigit(*p)) {
-	      char *err;
-	      server.interval=strtotime(p,&p,&err);
-	      if(err) {
-		REPORT_ERRORF("bad time specification in interval= option: %s",err);
-		PARSERROR;
-	      }
-	    }
-	    else {
-	    bad_interval_option:
-	      REPORT_ERROR("bad qualifier in interval= option.");
-	      PARSERROR;
-	    }
-	    break;
-
-	  case INTERFACE:
-	    SCAN_STRING(p,strbuf,len);
-	    STRNCP(server.interface, strbuf,len, "interface");
-	    break;
-
-	  case DEVICE:
-	    SCAN_STRING(p,strbuf,len);
-	    STRNCP(server.device, strbuf,len, "device");
-	    break;
-
-	  case PURGE_CACHE:
-	    ASSIGN_ON_OFF(server.purge_cache,p,C_ON,"bad qualifier in purge_cache= option.");
-	    break;
-
-	  case CACHING:
-	    ASSIGN_ON_OFF(server.nocache,p,C_OFF,"bad qualifier in caching= option.");
-	    break;
-
-	  case LEAN_QUERY:
-	    ASSIGN_ON_OFF(server.lean_query,p,C_ON,"bad qualifier in lean_query= option.");
-	    break;
-
-	  case EDNS_QUERY:
-	    ASSIGN_ON_OFF(server.edns_query,p,C_ON,"bad qualifier in edns_query= option.");
-	    break;
-
-	  case PRESET:
-	    ASSIGN_ON_OFF(server.preset,p,C_ON,"bad qualifier in preset= option.");
-	    break;
-
-	  case PROXY_ONLY:
-	    ASSIGN_ON_OFF(server.is_proxy,p,C_ON,"bad qualifier in proxy_only= option.");
-	    break;
-
-	  case ROOT_SERVER: {
-	    int cnst;
-	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF || cnst==C_DISCOVER,"bad qualifier in root_server= option.");
-	    server.rootserver= (cnst==C_DISCOVER? 2: cnst==C_ON);
-	  }
-	    break;
-
-	  case RANDOMIZE_SERVERS:
-	    ASSIGN_ON_OFF(server.rand_servers,p,C_ON,"bad qualifier in randomize_servers= option.");
-	    break;
-
-	  case POLICY: {
-	    int cnst;
-	    ASSIGN_CONST(cnst,p,cnst==C_INCLUDED || cnst==C_EXCLUDED || cnst==C_SIMPLE_ONLY || cnst==C_FQDN_ONLY,"bad qualifier in policy= option.");
-	    server.policy=cnst;
-	  }
-	    break;
-
-	  case INCLUDE:
-	    SCAN_STRING_LIST(&server.alist,p,strbuf,len,include_list_add)
-	    break;
-
-	  case EXCLUDE:
-	    SCAN_STRING_LIST(&server.alist,p,strbuf,len,exclude_list_add)
-	    break;
-
-	  case REJECTLIST:
-	    SCAN_STRING_LIST(&server,p,strbuf,len,reject_add_);
-	    break;
-
-	  case REJECTPOLICY: {
-	    int cnst;
-	    ASSIGN_CONST(cnst,p,cnst==C_FAIL || cnst==C_NEGATE,"bad qualifier in reject_policy= option.");
-	    server.rejectpolicy=cnst;
-	  }
-	    break;
-
-	  case REJECTRECURSIVELY:
-	    ASSIGN_ON_OFF(server.rejectrecursively,p,C_ON,"bad qualifier in reject_recursively= option.");
-	    break;
-
-	  case LABEL:
-	    SCAN_STRING(p,strbuf,len);
-	    STRNDUP(server.label,strbuf,len);
-	    break;
-
-	  default: /* we should never get here */
-	    CLEANUP_GOTO(internal_parse_error);
-	  } /* end of switch(option) */
-
-	  SKIP_BLANKS(p);
-	  if(*p!=';') CLEANUP_GOTO(expected_semicolon);
-	  ++p;
-	  SKIP_BLANKS(p);
-	}
-
-	if(*p!='}') CLEANUP_GOTO(expected_closing_brace);
-	if (server.uptest==C_EXEC) {
-	  if (!server.uptest_cmd) {
-	    REPORT_ERROR("you must specify uptest_cmd if you specify uptest=exec!");
-	    PARSERROR;
-	  }
-	}
-	if (server.is_proxy && server.rootserver) {
-	  REPORT_ERROR("A server may not be specified as both a proxy and a root-server.");
-	  PARSERROR;
-	}
-	if(server.rootserver && (server.policy==C_SIMPLE_ONLY || server.policy==C_FQDN_ONLY))
-	  fprintf(stderr,"Warning: using policy=%s with a root-server usually makes no sense.",
-		  const_name(server.policy));
-	if (DA_NEL(server.atup_a)) {
-	  check_localaddrs(&server);
-	  if(!DA_NEL(server.atup_a)) {
-	    REPORT_ERROR("Server section contains only local IP addresses.\n"
-			 "Bind pdnsd to a different local IP address or specify different port numbers"
-			 " in global section and server section if you want pdnsd to query servers on"
-			 " the same machine.");
-	    PARSERROR;
-	  }
-	}
-	{
-	  int j,n=DA_NEL(server.atup_a);
-	  for(j=0;j<n;++j) {
-	    atup_t *at= &DA_INDEX(server.atup_a,j);
-	    at->is_up=server.preset;
-	    /* A negative test interval means don't test at startup or reconfig. */
-	    if(server.interval<0) at->i_ts=time(NULL);
-	  }
-	}
-	if(server.interval==-1) global->onquery=1;
-
-	if (!(*servers=DA_GROW1_F(*servers,(void(*)(void*))free_servparm))) {
-	  OUTOFMEMERROR;
-	}
-	DA_LAST(*servers)= server;
-#	undef  CLEANUP_HANDLER
-#	define CLEANUP_HANDLER
-      }
-	break;
-
-      case RR: {
-	/* Initialize c_cent to all zeros.
-	   Then it should be safe to call free_cent() on it, even before calling init_cent(). */
-	dns_cent_t c_cent={0};
-	time_t c_ttl=86400;
-	unsigned c_flags=DF_LOCAL;
-	unsigned char reverse=0;
-
-#	undef  CLEANUP_HANDLER
-#	define CLEANUP_HANDLER (free_cent(&c_cent DBG0))
-
-	while(isalpha(*p)) {
-	  SCAN_ALPHANUM(ps,p,len);
-	  option=lookup_keyword(ps,len,rr_options);
-	  if(!option) {
-	    REPORT_ERRORF("invalid option for rr section: %.*s",(int)len,ps);
-	    PARSERROR;
-	  }
-	  SKIP_BLANKS(p);
-	  if(*p!='=') CLEANUP_GOTO(expected_equals);
-	  ++p;
-	  SKIP_BLANKS(p);
-
-	  switch(option) {
-	    int tp; const char *tpname;
-	  case NAME: {
-	    unsigned char c_name[DNSNAMEBUFSIZE];
-	    if (c_cent.qname) {
-	      REPORT_ERROR("You may specify only one name in a rr section.");
-	      PARSERROR;
-	    }
-	    SCAN_STRING(p,strbuf,len);
-	    PARSESTR2RHN(ucharp strbuf,len,c_name);
-	    if (!init_cent(&c_cent, c_name, 0, 0, c_flags  DBG0))
-	      goto out_of_memory;
-	  }
-	    break;
-
-	  case TTL:
-	    SCAN_TIMESECS(c_ttl,p, "ttl option");
-	    break;
-
-	  case AUTHREC: {
-	    int cnst;
-	    if (c_cent.qname) {
-	      REPORT_ERROR("The authrec= option has no effect unless it precedes name= in a rr section.");
-	      PARSERROR;
-	    }
-	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF,"Bad qualifier in authrec= option.");
-	    c_flags=(cnst==C_ON)?DF_LOCAL:0;
-	  }
-	    break;
-
-	  case REVERSE:
-	    ASSIGN_ON_OFF(reverse,p,C_ON,"bad qualifier in reverse= option.");
-	    break;
-
-	  case A: {
-	    unsigned int sz;
-	    pdnsd_ca c_a;
-
-	    if (!c_cent.qname)
-	      goto no_name_spec;
-	    SCAN_STRING(p,strbuf,len);
-	    if (inet_aton(strbuf,&c_a.ipv4)) {
-	      tp=T_A;
-	      sz=sizeof(struct in_addr);
-	    }
-	    else
-#if ALLOW_LOCAL_AAAA
-	      if (inet_pton(AF_INET6,strbuf,&c_a.ipv6)>0) {
-		tp=T_AAAA;
-		sz=sizeof(struct in6_addr);
-	      }
-	      else
-#endif
-		{
-		  REPORT_ERROR("bad IP address in a= option.");
-		  PARSERROR;
-		}
-
-	    if(!add_cent_rr(&c_cent,tp,c_ttl,0,CF_LOCAL,sz,&c_a  DBG0))
-	      goto add_rr_failed;
-	  }
-	    break;
-
-	  case OWNER:
-	    tp=T_NS;
-	    goto scan_name;
-	  case CNAME:
-	    tp=T_CNAME;
-	    goto scan_name;
-	  case PTR:
-	    tp=T_PTR;
-	  scan_name:
-	    {
-	      unsigned char c_name[DNSNAMEBUFSIZE];
-
-	      if (!c_cent.qname)
-		goto no_name_spec;
-	      SCAN_STRING(p,strbuf,len);
-	      PARSESTR2RHN(ucharp strbuf,len,c_name);
-	      if(!add_cent_rr(&c_cent,tp,c_ttl,0,CF_LOCAL,rhnlen(c_name),c_name  DBG0))
-		goto add_rr_failed;
-	    }
-	    break;
-
-	  case MX: {
-	    unsigned char *cp;
-	    unsigned pref;
-	    unsigned char c_mx[2+DNSNAMEBUFSIZE];
-
-	    if (!c_cent.qname)
-	      goto no_name_spec;
-	    cp=c_mx+2;
-	    SCAN_STRING(p,strbuf,len);
-	    PARSESTR2RHN(ucharp strbuf,len,cp);
-	    SKIP_COMMA(p,"missing second argument (preference level) of mx= option");
-	    SCAN_UNSIGNED_NUM(pref,p,"second argument of mx= option");
-	    cp=c_mx;
-	    PUTINT16(pref,cp);
-	    if(!add_cent_rr(&c_cent,T_MX,c_ttl,0,CF_LOCAL,2+rhnlen(cp),c_mx  DBG0))
-	      goto add_rr_failed;
-	  }
-	    break;
-
-	  case SOA: {
-	    unsigned int blen,rlen;
-	    unsigned char *bp;
-	    uint32_t val;
-	    unsigned char buf[2*DNSNAMEBUFSIZE+20];
-
-	    if (!c_cent.qname)
-	      goto no_name_spec;
-	    SCAN_STRING(p,strbuf,len);
-	    PARSESTR2RHN(ucharp strbuf,len,buf);
-	    rlen=rhnlen(buf);
-	    blen=rlen;
-	    bp=buf+rlen;
-	    SKIP_COMMA(p,"missing 2nd argument of soa= option");
-	    SCAN_STRING(p,strbuf,len);
-	    PARSESTR2RHN(ucharp strbuf,len,bp);
-	    rlen=rhnlen(bp);
-	    blen += rlen;
-	    bp += rlen;
-	    SKIP_COMMA(p,"missing 3rd argument of soa= option");
-	    SCAN_UNSIGNED_NUM(val,p,"3rd argument of soa= option");
-	    PUTINT32(val,bp);
-	    SKIP_COMMA(p,"missing 4th argument of soa= option");
-	    SCAN_TIMESECS(val,p,"4th argument of soa= option");
-	    PUTINT32(val,bp);
-	    SKIP_COMMA(p,"missing 5th argument of soa= option");
-	    SCAN_TIMESECS(val,p,"5th argument of soa= option");
-	    PUTINT32(val,bp);
-	    SKIP_COMMA(p,"missing 6th argument of soa= option");
-	    SCAN_TIMESECS(val,p,"6th argument of soa= option");
-	    PUTINT32(val,bp);
-	    SKIP_COMMA(p,"missing 7th argument of soa= option");
-	    SCAN_TIMESECS(val,p,"7th argument of soa= option");
-	    PUTINT32(val,bp);
-	    blen += 20;
-	    if(!add_cent_rr(&c_cent,T_SOA,c_ttl,0,CF_LOCAL,blen,buf  DBG0))
-	      goto add_rr_failed;
-	  }
-	    break;
-	  case SPF:
-#if IS_CACHED_SPF
-	    tp=T_SPF; tpname="spf";
-	    goto define_txt_rr;
-#else
-	    REPORT_ERROR("Missing support for caching SPF records in rr section");
-	    PARSERROR;
-#endif
-	  case TXT:
-#if IS_CACHED_TXT
-	    tp=T_TXT; tpname="txt";
-#else
-	    REPORT_ERROR("Missing support for caching TXT records in rr section");
-	    PARSERROR;
-#endif
-#if IS_CACHED_TXT || IS_CACHED_SPF
-#if IS_CACHED_SPF
-	  define_txt_rr:
-#endif
-	  {
-	    unsigned char *rbuf;
-	    unsigned sz,allocsz;
-	    int rv;
-
-	    if (!c_cent.qname)
-	      goto no_name_spec;
-	    rbuf=NULL;
-	    sz=allocsz=0;
-#           undef  CLEANUP_HANDLER2
-#           define CLEANUP_HANDLER2 (free(rbuf))
-
-	    for(;;) {
-	      unsigned char *newbuf,*cp;
-	      unsigned newsz=sz+256;
-	      int n;
-	      if(newsz>allocsz) {
-		allocsz += 512;
-		newbuf=realloc(rbuf,allocsz);
-		if(!newbuf) {
-		  OUTOFMEMERROR;
-		}
-		rbuf=newbuf;
-	      }
-	      cp = rbuf+sz;
-	      n=scan_string(&p, charp (cp+1), 255, &scanstrerr);
-	      if(n==-1) {
-		REPORT_ERRORF("%s in %s= option", scanstrerr, tpname);
-		PARSERROR;
-	      }
-	      if(n>255) {
-		REPORT_ERRORF("string longer than 255 bytes in %s= option", tpname);
-		PARSERROR;
-	      }
-	      *cp=n;
-	      sz += n+1;
-	      if(sz>0xffff) {
-		REPORT_ERRORF("data exceeds maximum size (65535 bytes) in %s= option", tpname);
-		PARSERROR;
-	      }
-	      SKIP_BLANKS(p);
-	      if(*p!=',') break;
-	      ++p;
-	      SKIP_BLANKS(p);
-	    }
-	    rv=add_cent_rr(&c_cent,tp,c_ttl,0,CF_LOCAL,sz,rbuf  DBG0);
-	    CLEANUP_HANDLER2;
-#           undef  CLEANUP_HANDLER2
-#           define CLEANUP_HANDLER2
-	    if(!rv)
-	      goto add_rr_failed;
-	  }
-	    break;
-#endif
-	  default: /* we should never get here */
-	    CLEANUP_GOTO(internal_parse_error);
-	  } /* end of switch(option) */
-
-	  SKIP_BLANKS(p);
-	  if(*p!=';') CLEANUP_GOTO(expected_semicolon);
-	  ++p;
-	  SKIP_BLANKS(p);
-	}
-
-	if(*p!='}') CLEANUP_GOTO(expected_closing_brace);
-	if (!c_cent.qname)
-	  goto no_name_spec;
-	if(c_cent.qname[0]==1 && c_cent.qname[1]=='*') {
-	  /* Wild card record. Set the DF_WILD flag for the name with '*.' removed. */
-	  if(!set_cent_flags(&c_cent.qname[2],DF_WILD)) {
-	    unsigned char buf[DNSNAMEBUFSIZE];
-	    rhn2str(c_cent.qname,buf,sizeof(buf));
-	    REPORT_ERRORF("You must define some records for '%s'"
-			  " before you can define records for the wildcard name '%s'",
-			  &buf[2],buf);
-	    PARSERROR;
-	  }
-	}
-
-	add_cache(&c_cent);
-	if(reverse) {
-	  if(!add_reverse_cache(&c_cent)) {
-		    REPORT_ERROR("Can't convert IP address in a= option"
-				 " into form suitable for reverse resolving.");
-		    PARSERROR;
-	  }
-	}
-	CLEANUP_HANDLER;
-	break;
-
-      add_rr_failed:
-	OUTOFMEMERROR;
-#	undef  CLEANUP_HANDLER
-#	define CLEANUP_HANDLER
-      }
-
-      case SOURCE: {
-	unsigned char c_owner[DNSNAMEBUFSIZE];
-	time_t c_ttl;
-	unsigned c_flags;
-	unsigned char c_aliases;
-
-	c_owner[0]='\0';
-	c_ttl=86400;
-	c_flags=DF_LOCAL;
-	c_aliases=0;
-
-	while(isalpha(*p)) {
-	  SCAN_ALPHANUM(ps,p,len);
-	  option=lookup_keyword(ps,len,source_options);
-	  if(!option) {
-	    REPORT_ERRORF("invalid option for source section: %.*s",(int)len,ps);
-	    PARSERROR;
-	  }
-	  SKIP_BLANKS(p);
-	  if(*p!='=') goto expected_equals;
-	  ++p;
-	  SKIP_BLANKS(p);
-
-	  switch(option) {
-	  case OWNER:
-	    SCAN_STRING(p,strbuf,len);
-	    PARSESTR2RHN(ucharp strbuf,len,c_owner);
-	    break;
-
-	  case TTL:
-	    SCAN_TIMESECS(c_ttl,p,"ttl option");
-	    break;
-
-	  case FILET:
-	    if (!c_owner[0]) {
-	      REPORT_ERROR("you must specify owner before file= in source records.");
-	      PARSERROR;
-	    }
-	    SCAN_STRING(p,strbuf,len);
-	    {
-	      char *errmsg;
-	      if (!read_hosts(strbuf, c_owner, c_ttl, c_flags, c_aliases, &errmsg)) {
-		if(errmsg) { REPORT_ERROR(errmsg); free(errmsg); }
-		else *errstr=NULL;
-		PARSERROR;
-	      }
-	    }
-	    break;
-
-	  case SERVE_ALIASES:
-	    ASSIGN_ON_OFF(c_aliases,p,C_ON,"Bad qualifier in serve_aliases= option.");
-	    break;
-
-	  case AUTHREC: {
-	    int cnst;
-	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF,"Bad qualifier in authrec= option.");
-	    c_flags=(cnst==C_ON)?DF_LOCAL:0;
-	  }
-	    break;
-
-	  default: /* we should never get here */
-	    goto internal_parse_error;
-	  } /* end of switch(option) */
-
-	  SKIP_BLANKS(p);
-	  if(*p!=';') goto expected_semicolon;
-	  ++p;
-	  SKIP_BLANKS(p);
-	}
-      }
-	break;
-
-      case INCLUDE_F: {
-	while(isalpha(*p)) {
-	  SCAN_ALPHANUM(ps,p,len);
-	  option=lookup_keyword(ps,len,include_options);
-	  if(!option) {
-	    REPORT_ERRORF("invalid option for include section: %.*s",(int)len,ps);
-	    PARSERROR;
-	  }
-	  SKIP_BLANKS(p);
-	  if(*p!='=') goto expected_equals;
-	  ++p;
-	  SKIP_BLANKS(p);
-
-	  switch(option) {
-	  case FILET:
-	    if(includedepth>=MAXINCLUDEDEPTH) {
-	      REPORT_ERRORF("maximum include depth (%d) exceeded.",MAXINCLUDEDEPTH);
-	      PARSERROR;
-	    }
-	    SCAN_STRING(p,strbuf,len);
-	    {
-	      char *errmsg;
-	      if (!read_config_file(strbuf, NULL, NULL, includedepth+1, &errmsg)) {
-		if(errmsg) {
-		  if(linenr) {
-		    if(asprintf(errstr, "In file %s included at line %u:\n%s",strbuf,linenr,errmsg)<0)
-		      *errstr=NULL;
-		  }
-		  else {
-		    if(asprintf(errstr, "In file %s:\n%s",strbuf,errmsg)<0)
-		      *errstr=NULL;
-		  }
-		  free(errmsg);
-		}
-		else
-		  *errstr=NULL;
-		PARSERROR;
-	      }
-	    }
-	    break;
-
-	  default: /* we should never get here */
-	    goto internal_parse_error;
-	  } /* end of switch(option) */
-
-	  SKIP_BLANKS(p);
-	  if(*p!=';') goto expected_semicolon;
-	  ++p;
-	  SKIP_BLANKS(p);
-	}
-      }
-	break;
-
-      case NEG: {
-	unsigned char c_name[DNSNAMEBUFSIZE];
-	time_t c_ttl;
-	unsigned char htp,hdtp;
-
-	htp=0;
-	hdtp=0;
-	c_name[0]='\0';
-	c_ttl=86400;
-
-	while(isalpha(*p)) {
-	  SCAN_ALPHANUM(ps,p,len);
-	  option=lookup_keyword(ps,len,neg_options);
-	  if(!option) {
-	    REPORT_ERRORF("invalid option for neg section: %.*s",(int)len,ps);
-	    PARSERROR;
-	  }
-	  SKIP_BLANKS(p);
-	  if(*p!='=') goto expected_equals;
-	  ++p;
-	  SKIP_BLANKS(p);
-
-	  switch(option) {
-	  case NAME:
-	    SCAN_STRING(p,strbuf,len);
-	    PARSESTR2RHN(ucharp strbuf,len,c_name);
-	    break;
-
-	  case TTL:
-	    SCAN_TIMESECS(c_ttl,p, "ttl option");
-	    break;
-
-	  case TYPES:
-	    if (!c_name[0]) {
-	      REPORT_ERROR("you must specify a name before the types= option.");
-	      PARSERROR;
-	    }
-	    if (isalpha(*p)) {
-	      int cnst;
-	      dns_cent_t c_cent /* ={0} */;
-	      SCAN_ALPHANUM(ps,p,len);
-	      cnst=lookup_const(ps,len);
-	      if(cnst==C_DOMAIN) {
-		if (htp) {
-		  REPORT_ERROR("You may not specify types=domain together with other types!");
-		  PARSERROR;
-		}
-		hdtp=1;
-		if (!init_cent(&c_cent, c_name, c_ttl, 0, DF_LOCAL|DF_NEGATIVE  DBG0))
-		  goto out_of_memory;
-	      }
-	      else if(cnst==0) {
-		if (hdtp) {
-		  REPORT_ERROR("You may not specify types=domain together with other types!");
-		  PARSERROR;
-		}
-		htp=1;
-		if (!init_cent(&c_cent, c_name, 0, 0, 0  DBG0))
-		  goto out_of_memory;
-#		undef  CLEANUP_HANDLER
-#		define CLEANUP_HANDLER (free_cent(&c_cent DBG0))
-		for(;;) {
-		  {
-		    TEMPSTRNCPY(buf,ps,len);
-		    cnst=rr_tp_byname(buf);
-		  }
-		  if(cnst==-1) {
-		    REPORT_ERRORF("unrecognized rr type '%.*s' used as argument for types= option.",(int)len,ps);
-		    PARSERROR;
-		  }
-		  if(PDNSD_NOT_CACHED_TYPE(cnst)) {
-		    REPORT_ERRORF("illegal rr type '%.*s' used as argument for types= option.",(int)len,ps);
-		    PARSERROR;
-		  }
-		  if (!getrrset_eff(&c_cent,cnst) && !add_cent_rrset_by_type(&c_cent,cnst,c_ttl,0,CF_LOCAL|CF_NEGATIVE  DBG0)) {
-		    OUTOFMEMERROR;
-		  }
-		  SKIP_BLANKS(p);
-		  if(*p!=',') break;
-		  ++p;
-		  SKIP_BLANKS(p);
-		  if (!isalpha(*p))
-		    {CLEANUP_GOTO(bad_types_option);}
-		  SCAN_ALPHANUM(ps,p,len);
-		}
-	      }
-	      else
-		goto bad_types_option;
-
-	      add_cache(&c_cent);
-	      CLEANUP_HANDLER;
-#	      undef  CLEANUP_HANDLER
-#	      define CLEANUP_HANDLER
-	    }
-	    else {
-	    bad_types_option:
-	      REPORT_ERROR("Bad argument for types= option.");
-	      PARSERROR;
-	    }
-	    break;
-
-	  default: /* we should never get here */
-	    goto internal_parse_error;
-	  } /* end of switch(option) */
-
-	  SKIP_BLANKS(p);
-	  if(*p!=';') goto expected_semicolon;
-	  ++p;
-	  SKIP_BLANKS(p);
-	}
-      }
-	break;
-
-      default: /* we should never get here */
-	goto internal_parse_error;
-      } /* end of switch(sechdr) */
-
-      if(*p!='}') goto expected_closing_brace;
-      ++p;
-    }
-    else {
-      REPORT_ERROR("expected section header");
-      PARSERROR;
-    }
-  }
-
-  if(!in || feof(in)) {
-    if(getnextperr) {
-      REPORT_ERROR(getnextperr);
-      PARSERROR;
-    }
-    retval=1; /* success */
-  }
-  else
-    goto input_error;
-
-  goto free_linebuf_return;
-
- expected_bropen:
-  REPORT_ERROR("expected opening brace after section name");
-  PARSERROR;
-
- expected_closing_brace:
-  REPORT_ERROR("expected beginning of new option or closing brace");
-  PARSERROR;
-
- expected_equals:
-  REPORT_ERROR("expected equals sign after option name");
-  PARSERROR;
-
- expected_semicolon:
-  REPORT_ERROR("too many arguments to option or missing semicolon");
-  PARSERROR;
-
- string_err:
-  REPORT_ERROR(scanstrerr);
-  PARSERROR;
-
- string_too_long:
-  REPORT_ERROR("string length exceeds buffer size");
-  PARSERROR;
-
- no_name_spec:
-  REPORT_ERROR("you must specify a name before a,ptr,cname,mx,ns(owner) and soa records.");
-  PARSERROR;
-
- internal_parse_error:
-  if(asprintf(errstr,"Internal inconsistency detected while parsing line %u of %s.\n"
-	      "Please consider reporting this error to one of the maintainers.\n",linenr,conftype)<0)
-    *errstr=NULL;
-  PARSERROR;
-
- out_of_memory:
-  /* If malloc() just failed, allocating space for an error message is unlikely to succeed. */
-  *errstr=NULL;
-  PARSERROR;
-
- unexpected_eof:
-  if(!in || feof(in)) {
-    REPORT_ERROR(getnextperr?getnextperr:in?"unexpected end of file":"unexpected end of input string");
-  }
-  else
-    input_error: {
-    if(asprintf(errstr,"Error while reading config file: %s",strerror(errno))<0)
-      *errstr=NULL;
-  }
-
- free_linebuf_return:
-  free(linebuf);
-  return retval;
-
-#undef SKIP_BLANKS
-#undef SCAN_STRING
-#undef REPORT_ERROR
-#undef REPORT_ERRORF
-#undef PARSERROR
-#undef OUTOFMEMERROR
-#undef CLEANUP_GOTO
-}
-
-
-/* Convert a string representation of an IP address into a binary format. */
-static const char* parse_ip(const char *ipstr, pdnsd_a *a)
-{
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-  if(!cmdlineipv) cmdlineipv=-2;
-#endif
-  {
-    if(!strcmp(ipstr,"any")) {
-#ifdef ENABLE_IPV4
-      if (run_ipv4)
-	a->ipv4.s_addr=INADDR_ANY;
-#endif
-#ifdef ENABLE_IPV6
-      ELSE_IPV6
-	a->ipv6=in6addr_any;
-#endif
-    }
-    else if(!str2pdnsd_a(ipstr,a)) {
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-      if(run_ipv4 && inet_pton(AF_INET6,ipstr,&a->ipv6)>0) {
-	return "You should set run_ipv4=off or use the command-line option -6"
-	  " before specifying an IPv6 address";
-      }
-#endif
-      return "bad IP address";
-    }
-  }
-  return NULL;
-}
-
-/* Add an IP address to the list of name servers. */
-static const char *addr_add(atup_array *ata, const char *ipstr)
-{
-  atup_t *at;
-  pdnsd_a addr;
-
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-  if(!cmdlineipv) cmdlineipv=-2;
-#endif
-  {
-    if(!str2pdnsd_a(ipstr,&addr)) {
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-      if(run_ipv4 && inet_pton(AF_INET6,ipstr,&addr.ipv6)>0) {
-	fprintf(stderr,"IPv6 address \"%s\" in config file ignored while running in IPv4 mode.\n",ipstr);
-	return NULL;
-      }
-#endif
-      return "bad IP address";
-    }
-  }
-
-  if (!(*ata=DA_GROW1(*ata))) {
-    return "out of memory!";
-  }
-  at=&DA_LAST(*ata);
-  SET_PDNSD_A2(&at->a, &addr);
-  at->is_up=0;
-  at->i_ts=0;
-  return NULL;
-}
-
-
-/* Helper functions for making netmasks */
-inline static uint32_t mk_netmask4(int len)
-{
-  uint32_t m;
-
-  if(len<=0)
-    return 0;
-
-  m= ~(uint32_t)0;
-  return (len<32)? htonl(m<<(32-len)): m;
-}
-
-#if ALLOW_LOCAL_AAAA
-inline static void mk_netmask6(struct in6_addr *m, int len)
-{
-  uint32_t *ma = (uint32_t *)m;
-  ma[0] = mk_netmask4(len);
-  ma[1] = mk_netmask4(len -= 32);
-  ma[2] = mk_netmask4(len -= 32);
-  ma[3] = mk_netmask4(len -= 32);
-}
-#endif
-
-/* Add an IP address/mask to the reject lists. */
-static const char *reject_add(servparm_t *serv, const char *ipstr)
-{
-  char *slash=strchr(ipstr,'/'); int mlen=0;
-
-  if(slash) {
-    *slash++=0;
-
-    if(*slash && isdigit(*slash)) {
-      char *endptr;
-      int l = strtol(slash,&endptr,10);
-      if(!*endptr) {
-	mlen=l;
-	slash=NULL;
-      }
-    }
-  }
-  else
-    mlen=128; /* Works for both IPv4 and IPv6 */
-
-  {
-    addr4maskpair_t am;
-
-    am.mask.s_addr = mk_netmask4(mlen);
-    if(inet_aton(ipstr,&am.a) && (!slash || inet_aton(slash,&am.mask))) {
-      if(!(serv->reject_a4=DA_GROW1(serv->reject_a4)))
-	return "out of memory!";
-
-      DA_LAST(serv->reject_a4) = am;
-      return NULL;
-    }
-  }
-#if ALLOW_LOCAL_AAAA
-  {
-    addr6maskpair_t am;
-
-    mk_netmask6(&am.mask,mlen);
-    if(inet_pton(AF_INET6,ipstr,&am.a)>0 && (!slash || inet_pton(AF_INET6,slash,&am.mask)>0)) {
-      if(!(serv->reject_a6=DA_GROW1(serv->reject_a6)))
-	return "out of memory!";
-
-      DA_LAST(serv->reject_a6) = am;
-      return NULL;
-    }
-  }
-#endif
-
-  return "bad IP address";
-}
-
-/* Try to avoid the possibility that pdnsd will query itself. */
-static void check_localaddrs(servparm_t *serv)
-{
-  if(serv->port == global.port) {
-    atup_array ata=serv->atup_a;
-    int i,j=0,n=DA_NEL(ata);
-    for(i=0;i<n;++i) {
-      atup_t *at=&DA_INDEX(ata,i);
-      if(is_inaddr_any(&global.a)) {
-	if(is_local_addr(PDNSD_A2_TO_A(&at->a))) {
-	  char buf[ADDRSTR_MAXLEN];
-	  fprintf(stderr,"Local name-server address \"%s\" ignored in config file.\n",
-		  pdnsd_a2str(PDNSD_A2_TO_A(&at->a),buf,ADDRSTR_MAXLEN));
-	  continue;
-	}
-      }
-      else {
-	if(equiv_inaddr2(&global.a,&at->a)) {
-	  char buf[ADDRSTR_MAXLEN];
-	  fprintf(stderr,"Ignoring name-server address \"%s\" in config file (identical to server_ip address).\n",
-		  pdnsd_a2str(PDNSD_A2_TO_A(&at->a),buf,ADDRSTR_MAXLEN));
-	  continue;
-	}
-      }
-      if(j<i)
-	DA_INDEX(ata,j)=*at;
-      ++j;
-    }
-    if(j<n)
-      serv->atup_a=DA_RESIZE(ata,j);
-  }
-}
-
-/* Read the name server addresses from a resolv.conf-style file. */
-static int read_resolv_conf(const char *fn, atup_array *ata, char **errstr)
-{
-  int rv=0;
-  FILE *f;
-  char *buf;
-  size_t buflen=256;
-  unsigned linenr=0;
-
-  if (!(f=fopen(fn,"r"))) {
-    if(asprintf(errstr, "Failed to open %s: %s", fn, strerror(errno))<0)
-      *errstr=NULL;
-    return 0;
-  }
-  buf=malloc(buflen);
-  if(!buf) {
-    *errstr=NULL;
-    goto fclose_return;
-  }
-  while(getline(&buf,&buflen,f)>=0) {
-    size_t len;
-    char *p,*ps;
-    ++linenr;
-    p=buf;
-    for(;; ++p) {
-      if(!*p) goto nextline;
-      if(!isspace(*p)) break;
-    }
-    ps=p;
-    do {
-      if(!*++p) goto nextline;
-    } while(!isspace(*p));
-    len=p-ps;
-    if(len==strlitlen("nameserver") && !strncmp(ps,"nameserver",len)) {
-      const char *errmsg;
-      do {
-	if(!*++p) goto nextline;
-      } while (isspace(*p));
-      ps=p;
-      do {
-	++p;
-      } while(*p && !isspace(*p));
-      len=p-ps;
-      {
-	TEMPSTRNCPY(ipstr,ps,len);
-	errmsg=addr_add(ata, ipstr);
-      }
-      if(errmsg) {
-	if(asprintf(errstr, "%s in line %u of file %s", errmsg,linenr,fn)<0)
-	  *errstr=NULL;
-	goto cleanup_return;
-      }
-    }
-  nextline:;
-  }
-  if (feof(f))
-    rv=1;
-  else if(asprintf(errstr, "Failed to read %s: %s", fn, strerror(errno))<0)
-    *errstr=NULL;
- cleanup_return:
-  free(buf);
- fclose_return:
-  fclose(f);
-  return rv;
-}
-
-static const char *slist_add(slist_array *sla, const char *nm, unsigned int len, int tp)
-{
-  slist_t *sl;
-  int exact=1;
-  const char *err;
-  size_t sz;
-  unsigned char rhn[DNSNAMEBUFSIZE];
-
-  if (len>1 && *nm=='.') {
-    exact=0;
-    ++nm;
-    --len;
-  }
-  if((err=parsestr2rhn(ucharp nm,len,rhn)))
-    return err;
-  sz=rhnlen(rhn);
-  if (!(*sla=DA_GROW1_F(*sla,free_slist_domain))) {
-    return "out of memory!";
-  }
-  sl=&DA_LAST(*sla);
-
-  sl->exact=exact;
-  sl->rule=tp;
-  if (!(sl->domain=malloc(sz)))
-    return "out of memory!";
-  memcpy(sl->domain,rhn,sz);
-  return NULL;
-}
-
-static const char *zone_add(zone_array *za, const char *zone, unsigned int len)
-{
-  zone_t z;
-  const char *err;
-  size_t sz;
-  unsigned char rhn[DNSNAMEBUFSIZE];
-
-  if((err=parsestr2rhn(ucharp zone,len,rhn)))
-    return err;
-  sz=rhnlen(rhn);
-  if(!(*za=DA_GROW1_F(*za,free_zone)) || !(DA_LAST(*za)=z=malloc(sz)))
-    return "out of memory!";
-  memcpy(z,rhn,sz);
-  return NULL;
-}
-
diff --git a/app/src/main/jni/pdnsd/src/conf-parser.h b/app/src/main/jni/pdnsd/src/conf-parser.h
deleted file mode 100644
index d3a3e99..0000000
--- a/app/src/main/jni/pdnsd/src/conf-parser.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* conf-parser.h - definitions for parser of pdnsd config files.
-   The parser was rewritten in C from scratch and doesn't require (f)lex
-   or yacc/bison.
-
-   Copyright (C) 2004,2008 Paul A. Rombouts.
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef CONF_PARSER_H
-#define CONF_PARSER_H
-
-int confparse(FILE* in, char *prestr, globparm_t *global, servparm_array *servers, int includedepth, char **errstr);
-
-#endif /* CONF_PARSER_H */
diff --git a/app/src/main/jni/pdnsd/src/conff.c b/app/src/main/jni/pdnsd/src/conff.c
deleted file mode 100644
index db6c5d1..0000000
--- a/app/src/main/jni/pdnsd/src/conff.c
+++ /dev/null
@@ -1,544 +0,0 @@
-/* conff.c - Maintain configuration information
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <pwd.h>
-#include "ipvers.h"
-#include "conff.h"
-#include "consts.h"
-#include "helpers.h"
-#include "conf-parser.h"
-#include "servers.h"
-#include "icmp.h"
-
-
-globparm_t global={
-  perm_cache:        2048,
-  cache_dir:         NULL,
-  pidfile:           NULL,
-  port:              53,
-  a:                 PDNSD_A_INITIALIZER,
-  out_a:             PDNSD_A_INITIALIZER,
-#ifdef ENABLE_IPV6
-  ipv4_6_prefix:     IN6ADDR_ANY_INIT,
-#endif
-  max_ttl:           604800,
-  min_ttl:           120,
-  neg_ttl:           900,
-  neg_rrs_pol:       C_DEFAULT,
-  neg_domain_pol:    C_AUTH,
-  verbosity:         VERBOSITY,
-  run_as:            "",
-  daemon:            0,
-  debug:             0,
-  stat_pipe:         0,
-  notcp:             0,
-  strict_suid:       1,
-  use_nss:           1,
-  paranoid:          0,
-  lndown_kluge:      0,
-  onquery:           0,
-  rnd_recs:          1,
-  ctl_perms:         0600,
-  scheme_file:       NULL,
-  proc_limit:        40,
-  procq_limit:       60,
-  tcp_qtimeout:      TCP_TIMEOUT,
-  timeout:           0,
-  par_queries:       PAR_QUERIES,
-  query_method:      M_PRESET,
-  query_port_start:  1024,
-  query_port_end:    65535,
-  udpbufsize:        1024,
-  deleg_only_zones:  NULL
-};
-
-servparm_t serv_presets={
-  port:              53,
-  uptest:            C_NONE,
-  timeout:           120,
-  interval:          900,
-  ping_timeout:      600,
-  scheme:            "",
-  uptest_cmd:        NULL,
-  uptest_usr:        "",
-  interface:         "",
-  device:            "",
-  query_test_name:   NULL,
-  label:             NULL,
-  purge_cache:       0,
-  nocache:           0,
-  lean_query:        1,
-  edns_query:        0,
-  is_proxy:          0,
-  rootserver:        0,
-  rand_servers:      0,
-  preset:            1,
-  rejectrecursively: 0,
-  rejectpolicy:      C_FAIL,
-  policy:            C_INCLUDED,
-  alist:             NULL,
-  atup_a:            NULL,
-  reject_a4:         NULL,
-#if ALLOW_LOCAL_AAAA
-  reject_a6:         NULL,
-#endif
-  ping_a:            PDNSD_A_INITIALIZER
-};
-
-servparm_array servers=NULL;
-
-static void free_zones(zone_array za);
-static void free_server_data(servparm_array sa);
-static int report_server_stat(int f,int i);
-
-
-/*
- * Read a configuration file, saving the results in a (separate) global section and servers array,
- * and the cache.
- *
- * char *nm should contain the name of the file to read. If it is NULL, the name of the config file
- *          read during startup is used.
- *
- * globparm_t *global should point to a struct which will be used to store the data of the
- *                    global section(s). If it is NULL, no global sections are allowed in the
- *		      file.
- *
- * servparm_array *servers should point to a dynamic array which will be grown to store the data
- *                         of the server sections. If it is NULL, no server sections are allowed
- *			   in the file.
- *
- * char **errstr is used to return a possible error message.
- *               In case of failure, *errstr will refer to a newly allocated string.
- *
- * read_config_file returns 1 on success, 0 on failure.
- */
-int read_config_file(const char *nm, globparm_t *global, servparm_array *servers, int includedepth, char **errstr)
-{
-	int retval=0;
-	const char *conftype= (global?"config":"include");
-	FILE *in;
-
-	if (nm==NULL)
-		nm=conf_file;
-
-	if (!(in=fopen(nm,"r"))) {
-		if(asprintf(errstr,"Error: Could not open %s file %s: %s",conftype,nm,strerror(errno))<0)
-			*errstr=NULL;
-		return 0;
-	}
-
-	retval=confparse(in,NULL,global,servers,includedepth,errstr);
-close_file:
-	if(fclose(in) && retval) {
-		if(asprintf(errstr,"Error: Could not close %s file %s: %s",
-			    conftype,nm,strerror(errno))<0)
-			*errstr=NULL;
-		return 0;
-	}
-	if(retval && servers && !DA_NEL(*servers)) {
-		if(asprintf(errstr,"Error: no server sections defined in config file %s",nm)<0)
-			*errstr=NULL;
-		return 0;
-	}
-	return retval;
-}
-
-/*
- * Re-Read the configuration file.
- * Return 1 on success, 0 on failure.
- * In case of failure, the old configuration will be unchanged (although the cache may not) and
- * **errstr will refer to a newly allocated string containing an error message.
- */
-int reload_config_file(const char *nm, char **errstr)
-{
-	globparm_t global_new;
-	servparm_array servers_new;
-
-	global_new=global;
-	global_new.cache_dir=NULL;
-	global_new.pidfile=NULL;
-	global_new.scheme_file=NULL;
-	global_new.deleg_only_zones=NULL;
-	global_new.onquery=0;
-	servers_new=NULL;
-	if(read_config_file(nm,&global_new,&servers_new,0,errstr)) {
-		if(global_new.cache_dir && strcmp(global_new.cache_dir,global.cache_dir)) {
-			*errstr=strdup("Cannot reload config file: the specified cache_dir directory has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-		if(global_new.pidfile && (!global.pidfile || strcmp(global_new.pidfile,global.pidfile))) {
-			*errstr=strdup("Cannot reload config file: the specified pid_file has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-		if(global_new.scheme_file && strcmp(global_new.scheme_file,global.scheme_file)) {
-			*errstr=strdup("Cannot reload config file: the specified scheme_file has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-		if(global_new.port!=global.port) {
-			*errstr=strdup("Cannot reload config file: the specified server_port has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-		if(!ADDR_EQUIV(&global_new.a,&global.a)) {
-			*errstr=strdup("Cannot reload config file: the specified interface address (server_ip) has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-#ifdef ENABLE_IPV6
-		if(!IN6_ARE_ADDR_EQUAL(&global_new.ipv4_6_prefix,&global.ipv4_6_prefix)) {
-			*errstr=strdup("Cannot reload config file: the specified ipv4_6_prefix has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-#endif
-		if(strcmp(global_new.run_as,global.run_as)) {
-			*errstr=strdup("Cannot reload config file: the specified run_as id has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-		if(global_new.daemon!=global.daemon) {
-			*errstr=strdup("Cannot reload config file: the daemon option has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-		if(global_new.debug!=global.debug) {
-			*errstr=strdup("Cannot reload config file: the debug option has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-		if(global_new.stat_pipe!=global.stat_pipe) {
-			*errstr=strdup("Cannot reload config file: the status_ctl option has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-		if(global_new.notcp!=global.notcp) {
-			*errstr=strdup("Cannot reload config file: the tcp_server option has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-		if(global_new.strict_suid!=global.strict_suid) {
-			*errstr=strdup("Cannot reload config file: the strict_setuid option has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-		if(global_new.ctl_perms!=global.ctl_perms) {
-			*errstr=strdup("Cannot reload config file: the specified ctl_perms has changed.\n"
-				       "Try restarting pdnsd instead.");
-			goto cleanup_return;
-		}
-		if(ping_isocket==-1
-#ifdef ENABLE_IPV6
-		   && ping6_isocket==-1
-#endif
-		  ) {
-			int i,n=DA_NEL(servers_new);
-			for (i=0;i<n;++i) {
-				if (DA_INDEX(servers_new,i).uptest==C_PING) {
-					if(asprintf(errstr,"Cannot reload config file: the ping socket is not initialized"
-						    " and the new config contains uptest=ping in server section %i.\n"
-						    "Try restarting pdnsd instead.",i)<0)
-						*errstr=NULL;
-					goto cleanup_return;
-				}
-			}
-		}
-
-		/* we need exclusive access to the server data to make the changes */
-		/* Wait at most 60 seconds to obtain a lock. */
-		if(!exclusive_lock_server_data(60)) {
-			*errstr=strdup("Cannot reload config file: Timed out while waiting for access to config data.");
-			goto cleanup_return;
-		}
-		free(global_new.cache_dir); global_new.cache_dir=global.cache_dir;
-		free(global_new.pidfile); global_new.pidfile=global.pidfile;
-		free(global_new.scheme_file); global_new.scheme_file=global.scheme_file;
-		free_zones(global.deleg_only_zones);
-		global=global_new;
-
-		free_server_data(servers);
-		servers=servers_new;
-		/* schedule a retest to check which servers are up,
-		   and free the lock. */
-		exclusive_unlock_server_data(1);
-
-		return 1;
-	}
-
- cleanup_return:
-	free(global_new.cache_dir);
-	free(global_new.pidfile);
-	free(global_new.scheme_file);
-	free_zones(global_new.deleg_only_zones);
-	free_server_data(servers_new);
-	return 0;
-}
-
-void free_zone(void *ptr)
-{
-  free(*((unsigned char **)ptr));
-}
-
-static void free_zones(zone_array za)
-{
-	int i,n=DA_NEL(za);
-	for(i=0;i<n;++i)
-		free(DA_INDEX(za,i));
-
-	da_free(za);
-}
-
-void free_slist_domain(void *ptr)
-{
-	free(((slist_t *)ptr)->domain);
-}
-
-void free_slist_array(slist_array sla)
-{
-	int j,m=DA_NEL(sla);
-	for(j=0;j<m;++j)
-		free(DA_INDEX(sla,j).domain);
-	da_free(sla);
-
-}
-
-void free_servparm(servparm_t *serv)
-{
-	free(serv->uptest_cmd);
-	free(serv->query_test_name);
-	free(serv->label);
-	da_free(serv->atup_a);
-	free_slist_array(serv->alist);
-	da_free(serv->reject_a4);
-#if ALLOW_LOCAL_AAAA
-	da_free(serv->reject_a6);
-#endif
-}
-
-static void free_server_data(servparm_array sa)
-{
-	int i,n=DA_NEL(sa);
-	for(i=0;i<n;++i)
-		free_servparm(&DA_INDEX(sa,i));
-	da_free(sa);
-}
-
-/* Report the current configuration to the file descriptor f (for the status fifo, see status.c) */
-int report_conf_stat(int f)
-{
-	int i,n,retval=0;
-
-	fsprintf_or_return(f,"\nConfiguration:\n==============\nGlobal:\n-------\n");
-	fsprintf_or_return(f,"\tCache size: %li kB\n",global.perm_cache);
-	fsprintf_or_return(f,"\tServer directory: %s\n",global.cache_dir);
-	fsprintf_or_return(f,"\tScheme file (for Linux pcmcia support): %s\n",global.scheme_file);
-	fsprintf_or_return(f,"\tServer port: %i\n",global.port);
-	{
-	  char buf[ADDRSTR_MAXLEN];
-	  fsprintf_or_return(f,"\tServer IP (%s=any available one): %s\n", SEL_IPVER("0.0.0.0","::"),
-			     pdnsd_a2str(&global.a,buf,ADDRSTR_MAXLEN));
-	  if(!is_inaddr_any(&global.out_a)) {
-	    fsprintf_or_return(f,"\tIP bound to interface used for querying remote servers: %s\n",
-			       pdnsd_a2str(&global.out_a,buf,ADDRSTR_MAXLEN));
-	  }
-	}
-#ifdef ENABLE_IPV6
-	if(!run_ipv4) {
-	  char buf[ADDRSTR_MAXLEN];
-	  fsprintf_or_return(f,"\tIPv4 to IPv6 prefix: %s\n",inet_ntop(AF_INET6,&global.ipv4_6_prefix,buf,ADDRSTR_MAXLEN)?:"?.?.?.?");
-	}
-#endif
-	fsprintf_or_return(f,"\tIgnore cache when link is down: %s\n",global.lndown_kluge?"on":"off");
-	fsprintf_or_return(f,"\tMaximum ttl: %li\n",(long)global.max_ttl);
-	fsprintf_or_return(f,"\tMinimum ttl: %li\n",(long)global.min_ttl);
-	fsprintf_or_return(f,"\tNegative ttl: %li\n",(long)global.neg_ttl);
-	fsprintf_or_return(f,"\tNegative RRS policy: %s\n",const_name(global.neg_rrs_pol));
-	fsprintf_or_return(f,"\tNegative domain policy: %s\n",const_name(global.neg_domain_pol));
-	fsprintf_or_return(f,"\tRun as: %s\n",global.run_as);
-	fsprintf_or_return(f,"\tStrict run as: %s\n",global.strict_suid?"on":"off");
-	fsprintf_or_return(f,"\tUse NSS: %s\n",global.use_nss?"on":"off");
-	fsprintf_or_return(f,"\tParanoid mode (cache pollution prevention): %s\n",global.paranoid?"on":"off");
-	fsprintf_or_return(f,"\tControl socket permissions (mode): %o\n",global.ctl_perms);
-	fsprintf_or_return(f,"\tMaximum parallel queries served: %i\n",global.proc_limit);
-	fsprintf_or_return(f,"\tMaximum queries queued for serving: %i\n",global.procq_limit);
-	fsprintf_or_return(f,"\tGlobal timeout setting: %li\n",(long)global.timeout);
-	fsprintf_or_return(f,"\tParallel queries increment: %i\n",global.par_queries);
-	fsprintf_or_return(f,"\tRandomize records in answer: %s\n",global.rnd_recs?"on":"off");
-	fsprintf_or_return(f,"\tQuery method: %s\n",const_name(global.query_method));
-	{
-		int query_port_start=global.query_port_start;
-		if(query_port_start==-1) {
-			fsprintf_or_return(f,"\tQuery port start: (let kernel choose)\n");
-		}
-		else {
-			fsprintf_or_return(f,"\tQuery port start: %i\n",query_port_start);
-			fsprintf_or_return(f,"\tQuery port end: %i\n",global.query_port_end);
-		}
-	}
-#ifndef NO_TCP_SERVER
-	fsprintf_or_return(f,"\tTCP server thread: %s\n",global.notcp?"off":"on");
-	if(!global.notcp)
-	  {fsprintf_or_return(f,"\tTCP query timeout: %li\n",(long)global.tcp_qtimeout);}
-#endif
-	fsprintf_or_return(f,"\tMaximum udp buffer size: %i\n",global.udpbufsize);
-
-	lock_server_data();
-	{
-		int rv=fsprintf(f,"\tDelegation-only zones: ");
-		if(rv<0) {retval=rv; goto unlock_return;}
-	}
-	if(global.deleg_only_zones==NULL) {
-		int rv=fsprintf(f,"(none)\n");
-		if(rv<0) {retval=rv; goto unlock_return;}
-	}
-	else {
-		int rv;
-		n=DA_NEL(global.deleg_only_zones);
-		for(i=0;i<n;++i) {
-			unsigned char buf[DNSNAMEBUFSIZE];
-			rv=fsprintf(f,i==0?"%s":", %s",
-					rhn2str(DA_INDEX(global.deleg_only_zones,i),buf,sizeof(buf)));
-			if(rv<0) {retval=rv; goto unlock_return;}
-		}
-		rv=fsprintf(f,"\n");
-		if(rv<0) {retval=rv; goto unlock_return;}
-	}
-
-	n=DA_NEL(servers);
-	for(i=0;i<n;++i) {
-		int rv=report_server_stat(f,i);
-		if(rv<0) {retval=rv; goto unlock_return;}
-	}
- unlock_return:
-	unlock_server_data();
-
-	return retval;
-}
-
-
-#if ALLOW_LOCAL_AAAA
-#define serv_has_rejectlist(s) ((s)->reject_a4!=NULL || (s)->reject_a6!=NULL)
-#else
-#define serv_has_rejectlist(s) ((s)->reject_a4!=NULL)
-#endif
-
-
-/* Report the current status of server i to the file descriptor f.
-   Call with locks applied.
-*/
-static int report_server_stat(int f,int i)
-{
-	servparm_t *st=&DA_INDEX(servers,i);
-	int j,m;
-
-	fsprintf_or_return(f,"Server %i:\n------\n",i);
-	fsprintf_or_return(f,"\tlabel: %s\n",st->label?st->label:"(none)");
-	m=DA_NEL(st->atup_a);
-	if(st->rootserver>1 && m)
-		fsprintf_or_return(f,"\tThe following name servers will be used for discovery of rootservers only:\n");
-	for(j=0;j<m;j++) {
-		atup_t *at=&DA_INDEX(st->atup_a,j);
-		{char buf[ADDRSTR_MAXLEN];
-		 fsprintf_or_return(f,"\tip: %s\n",pdnsd_a2str(PDNSD_A2_TO_A(&at->a),buf,ADDRSTR_MAXLEN));}
-		fsprintf_or_return(f,"\tserver assumed available: %s\n",at->is_up?"yes":"no");
-	}
-	fsprintf_or_return(f,"\tport: %hu\n",st->port);
-	fsprintf_or_return(f,"\tuptest: %s\n",const_name(st->uptest));
-	fsprintf_or_return(f,"\ttimeout: %li\n",(long)st->timeout);
-	if(st->interval>0) {
-		fsprintf_or_return(f,"\tuptest interval: %li\n",(long)st->interval);
-	} else {
-		fsprintf_or_return(f,"\tuptest interval: %s\n",
-				   st->interval==-1?"onquery":
-				   st->interval==-2?"ontimeout":
-				                    "(never retest)");
-	}
-	fsprintf_or_return(f,"\tping timeout: %li\n",(long)st->ping_timeout);
-	{char buf[ADDRSTR_MAXLEN];
-	 fsprintf_or_return(f,"\tping ip: %s\n",is_inaddr_any(&st->ping_a)?"(using server ip)":pdnsd_a2str(&st->ping_a,buf,ADDRSTR_MAXLEN));}
-	if(st->interface[0]) {
-		fsprintf_or_return(f,"\tinterface: %s\n",st->interface);
-	}
-	if(st->device[0]) {
-		fsprintf_or_return(f,"\tdevice (for special Linux ppp device support): %s\n",st->device);
-	}
-	if(st->uptest_cmd) {
-		fsprintf_or_return(f,"\tuptest command: %s\n",st->uptest_cmd);
-		fsprintf_or_return(f,"\tuptest user: %s\n",st->uptest_usr[0]?st->uptest_usr:"(process owner)");
-	}
-	if(st->query_test_name) {
-		unsigned char nmbuf[DNSNAMEBUFSIZE];
-		fsprintf_or_return(f,"\tname used in query uptest: %s\n",
-				   rhn2str(st->query_test_name,nmbuf,sizeof(nmbuf)));
-	}
-	if (st->scheme[0]) {
-		fsprintf_or_return(f,"\tscheme: %s\n", st->scheme);
-	}
-	fsprintf_or_return(f,"\tforce cache purging: %s\n",st->purge_cache?"on":"off");
-	fsprintf_or_return(f,"\tserver is cached: %s\n",st->nocache?"off":"on");
-	fsprintf_or_return(f,"\tlean query: %s\n",st->lean_query?"on":"off");
-	fsprintf_or_return(f,"\tUse EDNS in outgoing queries: %s\n",st->edns_query?"on":"off");
-	fsprintf_or_return(f,"\tUse only proxy?: %s\n",st->is_proxy?"on":"off");
-	fsprintf_or_return(f,"\tAssumed root server: %s\n",st->rootserver?(st->rootserver==1?"yes":"discover"):"no");
-	fsprintf_or_return(f,"\tRandomize server query order: %s\n",st->rand_servers?"yes":"no");
-	fsprintf_or_return(f,"\tDefault policy: %s\n",const_name(st->policy));
-	fsprintf_or_return(f,"\tPolicies:%s\n", st->alist?"":" (none)");
-	for (j=0;j<DA_NEL(st->alist);++j) {
-		slist_t *sl=&DA_INDEX(st->alist,j);
-		unsigned char buf[DNSNAMEBUFSIZE];
-		fsprintf_or_return(f,"\t\t%s: %s%s\n",
-				   sl->rule==C_INCLUDED?"include":"exclude",
-				   sl->exact?"":".",
-				   rhn2str(sl->domain,buf,sizeof(buf)));
-	}
-	if(serv_has_rejectlist(st)) {
-		fsprintf_or_return(f,"\tAddresses which should be rejected in replies:\n");
-		m=DA_NEL(st->reject_a4);
-		for (j=0;j<m;++j) {
-			addr4maskpair_t *am=&DA_INDEX(st->reject_a4,j);
-			char abuf[ADDRSTR_MAXLEN],mbuf[ADDRSTR_MAXLEN];
-			fsprintf_or_return(f,"\t\t%s/%s\n",inet_ntop(AF_INET,&am->a,abuf,sizeof(abuf)),
-					   inet_ntop(AF_INET,&am->mask,mbuf,sizeof(mbuf)));
-		}
-#if ALLOW_LOCAL_AAAA
-		m=DA_NEL(st->reject_a6);
-		for (j=0;j<m;++j) {
-			addr6maskpair_t *am=&DA_INDEX(st->reject_a6,j);
-			char abuf[INET6_ADDRSTRLEN],mbuf[INET6_ADDRSTRLEN];
-			fsprintf_or_return(f,"\t\t%s/%s\n",inet_ntop(AF_INET6,&am->a,abuf,sizeof(abuf)),
-					   inet_ntop(AF_INET6,&am->mask,mbuf,sizeof(mbuf)));
-		}
-#endif
-		fsprintf_or_return(f,"\tReject policy: %s\n",const_name(st->rejectpolicy));
-		fsprintf_or_return(f,"\tReject recursively: %s\n",st->rejectrecursively?"yes":"no");
-	}
-	return 0;
-}
diff --git a/app/src/main/jni/pdnsd/src/conff.h b/app/src/main/jni/pdnsd/src/conff.h
deleted file mode 100644
index a07b156..0000000
--- a/app/src/main/jni/pdnsd/src/conff.h
+++ /dev/null
@@ -1,190 +0,0 @@
-/* conff.h - Definitions for configuration management.
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef CONFF_H
-#define CONFF_H
-
-/* XXX should use the system defined ones. */
-/* #define MAXPATH 1024 */
-/* #define MAXIFNAME 31 */
-
-#include <config.h>
-#include <stdio.h>
-#include <pthread.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include "ipvers.h"
-#include "list.h"
-
-/* From main.c */
-#if DEBUG>0
-extern short int debug_p;
-#else
-#define debug_p 0
-#endif
-extern short int stat_pipe;
-extern pthread_t main_thrid;
-extern uid_t init_uid;
-extern char *conf_file;
-
-/* ----------- */
-
-typedef DYNAMIC_ARRAY(pdnsd_a) *addr_array;
-typedef DYNAMIC_ARRAY(pdnsd_a2) *addr2_array;
-
-typedef struct {
-  time_t     i_ts;
-  char       is_up;
-  pdnsd_a2   a;
-} atup_t;
-typedef DYNAMIC_ARRAY(atup_t) *atup_array;
-
-typedef struct {
-	unsigned char   *domain;
-	short            exact;
-	short            rule;
-} slist_t;
-typedef DYNAMIC_ARRAY(slist_t) *slist_array;
-
-typedef struct {
-	struct in_addr   a,mask;
-} addr4maskpair_t;
-
-typedef DYNAMIC_ARRAY(addr4maskpair_t) *a4_array;
-
-#if ALLOW_LOCAL_AAAA
-typedef struct {
-	struct in6_addr  a,mask;
-} addr6maskpair_t;
-
-typedef DYNAMIC_ARRAY(addr6maskpair_t) *a6_array;
-#endif
-
-typedef struct {
-	unsigned short   port;
-	short            uptest;
-	time_t           timeout;
-	time_t           interval;
-	time_t           ping_timeout;
-        char             scheme[32];
-	char            *uptest_cmd;
-	char             uptest_usr[21];
-	char             interface[IFNAMSIZ];
- 	char             device[IFNAMSIZ];
-	unsigned char   *query_test_name;
-	char            *label;
-	char             purge_cache;
-	char             nocache;
-	char             lean_query;
-	char             edns_query;
-	char             is_proxy;
-	char             rootserver;
-	char             rand_servers;
-	char             preset;
-	char             rejectrecursively;
-	short            rejectpolicy;
-	short            policy;
-	slist_array      alist;
-	atup_array       atup_a;
-	a4_array         reject_a4;
-#if ALLOW_LOCAL_AAAA
-	a6_array         reject_a6;
-#endif
-	pdnsd_a          ping_a;
-} servparm_t;
-typedef DYNAMIC_ARRAY(servparm_t) *servparm_array;
-
-typedef unsigned char *zone_t;
-typedef DYNAMIC_ARRAY(zone_t) *zone_array;
-
-typedef struct {
-	long          perm_cache;
-	char         *cache_dir;
-	char         *pidfile;
-	int           port;
-	pdnsd_a       a;
-	pdnsd_a       out_a;
-#ifdef ENABLE_IPV6
-	struct in6_addr ipv4_6_prefix;
-#endif
-	time_t        max_ttl;
-	time_t        min_ttl;
-	time_t        neg_ttl;
-	short         neg_rrs_pol;
-	short         neg_domain_pol;
-	short         verbosity;
-	char          run_as[21];
-	char          daemon;
-	char          debug;
-	char          stat_pipe;
-	char          notcp;
-	char          strict_suid;
-	char          use_nss;
-	char          paranoid;
-	char          lndown_kluge;
-	char	      onquery;
-	char          rnd_recs;
-	int           ctl_perms;
-        char         *scheme_file;
-	int           proc_limit;
-	int           procq_limit;
-	time_t        tcp_qtimeout;
-	time_t        timeout;
-	int           par_queries;
-	int           query_method;
-	int           query_port_start;
-	int           query_port_end;
-	int           udpbufsize;
-	zone_array    deleg_only_zones;
-} globparm_t;
-
-typedef struct {
-	char
-#ifdef ENABLE_IPV6
-		prefix,
-#endif
-		pidfile,
-		verbosity,
-		pdnsduser,
-		daemon,
-		debug,
-		stat_pipe,
-		notcp,
-		query_method;
-} cmdlineflags_t;
-
-extern globparm_t global;
-extern cmdlineflags_t cmdline;
-extern servparm_t serv_presets;
-
-extern servparm_array servers;
-
-int read_config_file(const char *nm, globparm_t *global, servparm_array *servers, int includedepth, char **errstr);
-int reload_config_file(const char *nm, char **errstr);
-void free_zone(void *ptr);
-void free_slist_domain(void *ptr);
-void free_slist_array(slist_array sla);
-void free_servparm(servparm_t *serv);
-
-int report_conf_stat(int f);
-#endif
diff --git a/app/src/main/jni/pdnsd/src/consts.c b/app/src/main/jni/pdnsd/src/consts.c
deleted file mode 100644
index c875a09..0000000
--- a/app/src/main/jni/pdnsd/src/consts.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/* consts.c - Common config constants & handling
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2005, 2006, 2007, 2009 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <stdlib.h>
-#include <string.h>
-#include "consts.h"
-#include "rr_types.h"
-
-
-/* Order alphabetically!! */
-static const namevalue_t const_dic[]={
-	{"auth",        C_AUTH},
-	{"default",     C_DEFAULT},
-	{"dev",         C_DEV},
-	{"diald",       C_DIALD},
-	{"discover",    C_DISCOVER},
-	{"domain",      C_DOMAIN},
-	{"excluded",    C_EXCLUDED},
-	{"exec",        C_EXEC},
-	{"fail",        C_FAIL},
-	{"false",       C_OFF},
-	{"fqdn_only",   C_FQDN_ONLY},
-	{"if",          C_IF},
-	{"included",    C_INCLUDED},
-	{"negate",      C_NEGATE},
-	{"no",          C_OFF},
-	{"none",        C_NONE},
-	{"off",         C_OFF},
-	{"on",          C_ON},
-	{"onquery",     C_ONQUERY},
-	{"ontimeout",   C_ONTIMEOUT},
-	{"ping",        C_PING},
-	{"query",       C_QUERY},
-	{"simple_only", C_SIMPLE_ONLY},
-	{"tcp_only",    TCP_ONLY},
-	{"tcp_udp",     TCP_UDP},
-	{"true",        C_ON},
-	{"udp_only",    UDP_ONLY},
-	{"udp_tcp",     UDP_TCP},
-	{"yes",         C_ON}
-};
-
-/* Added by Paul Rombouts */
-static const char *const const_names[]={
-	"error",
-	"on",
-	"off",
-	"default",
-	"discover",
-	"none",
-	"if",
-	"exec",
-	"ping",
-	"query",
-	"onquery",
-	"ontimeout",
-	"udp_only",
-	"tcp_only",
-	"tcp_udp",
-	"udp_tcp",
-	"dev",
-	"diald",
-	"included",
-	"excluded",
-	"simple_only",
-	"fqdn_only",
-	"auth",
-	"domain",
-	"fail",
-	"negate"
-};
-
-/* compare two strings.
-   The first one is given as pointer to a char array of length len (which
-   should not contain any null chars),
-   the second one as a pointer to a null terminated char array.
-*/
-inline static int keyncmp(const char *key1, int len, const char *key2)
-{
-	int cmp=strncmp(key1,key2,len);
-	if(cmp) return cmp;
-	return -(int)((unsigned char)(key2[len]));
-}
-
-int binsearch_keyword(const char *name, int len, const namevalue_t dic[], int range)
-{
-	int i=0,j=range;
-
-	while(i<j) {
-		int k=(i+j)/2;
-		int cmp=keyncmp(name,len,dic[k].name);
-		if(cmp<0)
-			j=k;
-		else if(cmp>0)
-			i=k+1;
-		else
-			return dic[k].val;
-	}
-
-	return 0;
-}
-
-
-int lookup_const(const char *name, int len)
-{
-	return binsearch_keyword(name,len,const_dic,sizeof(const_dic)/sizeof(namevalue_t));
-}
-
-/* Added by Paul Rombouts */
-const char *const_name(int c)
-{
-  return (c>=0 && c<sizeof(const_names)/sizeof(char *))? const_names[c] : "ILLEGAL!";
-}
diff --git a/app/src/main/jni/pdnsd/src/consts.h b/app/src/main/jni/pdnsd/src/consts.h
deleted file mode 100644
index c812b15..0000000
--- a/app/src/main/jni/pdnsd/src/consts.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/* consts.h - Common config constants & handling
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2005, 2006, 2007, 2009 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef CONSTS_H
-#define CONSTS_H
-
-#include <config.h>
-
-#define C_RRTOFFS  64
-
-enum {
-	C_ERR,
-	C_ON,
-	C_OFF,
-	C_DEFAULT,
-	C_DISCOVER,
-	C_NONE,
-	C_IF,
-	C_EXEC,
-	C_PING,
-	C_QUERY,
-	C_ONQUERY,
-	C_ONTIMEOUT,
-	UDP_ONLY,
-	TCP_ONLY,
-	TCP_UDP,
-	UDP_TCP,
-	C_DEV,
-	C_DIALD,
-	C_INCLUDED,
-	C_EXCLUDED,
-	C_SIMPLE_ONLY,
-	C_FQDN_ONLY,
-	C_AUTH,
-	C_DOMAIN,
-	C_FAIL,
-	C_NEGATE
-};
-
-typedef struct {
-	const char *name;
-	int         val;
-} namevalue_t;
-
-int binsearch_keyword(const char *name, int len, const namevalue_t dic[], int range);
-int lookup_const(const char *name, int len);
-const char *const_name(int c);  /* Added by Paul Rombouts */
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/debug.c b/app/src/main/jni/pdnsd/src/debug.c
deleted file mode 100644
index dd7f244..0000000
--- a/app/src/main/jni/pdnsd/src/debug.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/* debug.c -  Various debugging facilities
- * Copyright (C) 2001 Thomas Moestl
- *
- * This file is part of the pdnsd package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <config.h>
-#include <stdlib.h>
-#include <string.h>
-#include "helpers.h"
-#include "error.h"
-
-
-/*
- * This is indeed very primitive (it does not track allocation failures
- * and so on). It should be expanded some time.
- */
-#ifdef ALLOC_DEBUG
-void *DBGcalloc(size_t n, size_t sz, char *file, int line)
-{
-	DEBUG_MSG("+ calloc, %s:%d\n", file, line);
-	return calloc(n, sz);
-}
-
-void *DBGmalloc(size_t sz, char *file, int line)
-{
-	DEBUG_MSG("+ malloc, %s:%d\n", file, line);
-	return malloc(sz);
-}
-
-void *DBGrealloc(void *ptr, size_t sz, char *file, int line)
-{
-	if (ptr == NULL && sz != 0)
-		DEBUG_MSG("+ realloc, %s:%d\n", file, line);
-	if (ptr != NULL && sz == 0)
-		DEBUG_MSG("- realloc(0), %s:%d\n", file, line);
-	return realloc(ptr, sz);
-}
-void DBGfree(void *ptr, char *file, int line)
-{
-	DEBUG_MSG("- free, %s:%d\n", file, line);
-	free(ptr);
-}
-#endif
diff --git a/app/src/main/jni/pdnsd/src/debug.h b/app/src/main/jni/pdnsd/src/debug.h
deleted file mode 100644
index 02f0e5d..0000000
--- a/app/src/main/jni/pdnsd/src/debug.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* debug.h - Various debugging facilities
- * Copyright (C) 2001 Thomas Moestl
- *
- * This file is part of the pdnsd package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-
-#ifndef DEBUG_H
-#define DEBUG_H
-
-/*
- * A hand-rolled alloc debug factility, because most available libraries have
- * problems with at least one thread implementation.
- */
-#ifdef ALLOC_DEBUG
-void *DBGcalloc(size_t n, size_t sz, char *file, int line);
-void *DBGmalloc(size_t sz, char *file, int line);
-void *DBGrealloc(void *ptr, size_t sz, char *file, int line);
-void DBGfree(void *ptr, char *file, int line);
-
-#define pdnsd_calloc(n,sz)	DBGcalloc(n,sz,__FILE__,__LINE__)
-#define pdnsd_malloc(sz)	DBGmalloc(sz,__FILE__,__LINE__)
-#define pdnsd_realloc(ptr,sz)	DBGrealloc(ptr,sz,__FILE__,__LINE__)
-#define pdnsd_free(ptr)		DBGfree(ptr,__FILE__,__LINE__)
-#else
-#define pdnsd_calloc	calloc
-#define pdnsd_malloc	malloc
-#define pdnsd_realloc	realloc
-#define pdnsd_free	free
-#endif
-
-#endif /* def DEBUG_H */
diff --git a/app/src/main/jni/pdnsd/src/dns.c b/app/src/main/jni/pdnsd/src/dns.c
deleted file mode 100644
index a02d7fd..0000000
--- a/app/src/main/jni/pdnsd/src/dns.c
+++ /dev/null
@@ -1,617 +0,0 @@
-/* dns.c - Declarations for dns handling and generic dns functions
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include "error.h"
-#include "helpers.h"
-#include "dns.h"
-
-
-/* Decompress a name record, taking the whole message as msg, returning its results in tgt
- * (which should be able hold at least DNSNAMEBUFSIZE chars),
- * taking sz as the remaining msg size (it is returned decremented by the name length, ready for further use) and
- * a source pointer (it is returned pointing to the location after the name). msgsize is the size of the whole message,
- * len is the total name length.
- * msg and msgsz are needed for decompression (see rfc1035). The returned data is decompressed, but still in the
- * rr name form (length byte - string of that length, terminated by a 0 length byte).
- *
- * Returned is a dns return code, with one exception: RC_TRUNC, as defined in dns.h, indicates that the message is
- * truncated at the name (which needs a special return code, as it might or might not be fatal).
- */
-int decompress_name(unsigned char *msg, size_t msgsz, unsigned char **src, size_t *sz, unsigned char *tgt, unsigned int *len)
-{
-	unsigned int lb,offs;
-	unsigned int hops=0,tpos=0;
-	unsigned char *lptr=*src;
-	size_t oldsz=*sz;
-	size_t newsz=oldsz;
-
-	if (newsz==0)
-		goto name_outside_data;
-	if (lptr-msg>=msgsz)
-		goto name_outside_msg;
-
-	for(;;) {
-		newsz--;
-		lb=*lptr++;
-
-		if(lb>0x3f) {
- 			if (lb<0xc0)     /* The two highest bits must be either 00 or 11 */
-				goto unsupported_lbl_bits;
-			if (newsz==0)
-				goto name_outside_data;
-			if (lptr-msg>=msgsz)
-				goto name_outside_msg;
-			newsz--;
-			offs=((lb&0x3f)<<8)|(*lptr);
-			if (offs>=msgsz)
-				goto offset_outside_msg;
-			lptr=msg+offs;
-			goto jumped;
-		}
- 		tgt[tpos++]=lb;
-		if (lb==0)
-			break;
-
-		if (newsz<=lb)
-			goto name_outside_data;
-		if (lptr+lb-msg>=msgsz)
-			goto name_outside_msg;
-		if (tpos+lb>DNSNAMEBUFSIZE-1) /* terminating null byte has to follow */
-			goto name_buf_full;
-		newsz -= lb;
-		do {
-			/* if (!*lptr || *lptr=='.')
-				return RC_FORMAT; */
-			tgt[tpos++]=*lptr++;
-		} while(--lb);
-	}
-	goto return_OK;
-
- jumped:
-	++hops;
-	for(;;) {
-		lb=*lptr++;
-
-		while(lb>0x3f) {
- 			if (lb<0xc0)     /* The two highest bits must be either 00 or 11 */
-				goto unsupported_lbl_bits;
-			if (lptr-msg>=msgsz)
-				goto name_outside_msg;
-			if (++hops>255)
-				goto too_many_hops;
-			offs=((lb&0x3f)<<8)|(*lptr);
-			if (offs>=msgsz)
-				goto offset_outside_msg;
-			lptr=msg+offs;
-			lb=*lptr++;
-		}
- 		tgt[tpos++]=lb;
-		if (lb==0)
-			break;
-
-		if (lptr+lb-msg>=msgsz)
-			goto name_outside_msg;
-		if(tpos+lb>DNSNAMEBUFSIZE-1) /* terminating null byte has to follow */
-			goto name_buf_full;
-		do {
-			/* if (!*lptr || *lptr=='.')
-				return RC_FORMAT; */
-			tgt[tpos++]=*lptr++;
-		} while(--lb);
-	}
- return_OK:
-	*src += oldsz-newsz;
-	*sz = newsz;
-	if(len) *len=tpos;
-	return RC_OK;
-
- name_outside_data:
-	DEBUG_MSG("decompress_name: compressed name extends outside data field.\n");
-	return RC_TRUNC;
-
- name_outside_msg:
-	DEBUG_MSG("decompress_name: compressed name extends outside message.\n");
-	return RC_FORMAT;
-
- unsupported_lbl_bits:
-	DEBUG_MSG(lb==0x41?"decompress_name: Bit-string labels not supported.\n":
-		  "decompress_name: unsupported label type.\n");
-	return RC_FORMAT;
-
- offset_outside_msg:
-	DEBUG_MSG("decompress_name: offset points outside message.\n");
-	return RC_FORMAT;
-
- name_buf_full:
-	DEBUG_MSG("decompress_name: decompressed name larger than %u bytes.\n", DNSNAMEBUFSIZE);
-	return RC_FORMAT;
-
- too_many_hops:
-	DEBUG_MSG("decompress_name: too many offsets in compressed name.\n");
-	return RC_FORMAT;
-}
-
-#if 0
-/* Compare two names (ordinary C-strings) back-to-forth and return the longest match.
-   The comparison is done at name granularity.
-   The return value is the length of the match in name elements.
-   *os (*od) is set to the offset in the domain name ms (md) of the match.
- */
-int domain_name_match(const unsigned char *ms, const unsigned char *md, int *os, int *od)
-{
-	int i,j,k=0,offs,offd;
-
-	offs=i=strlen(ms); offd=j=strlen(md);
-	if(i && ms[i-1]=='.') --offs;
-	if(j && md[j-1]=='.') --offd;
-
-	if(i==0 || (i==1 && *ms=='.') || j==0 || (j==1 && *md=='.'))
-		/* Special case: root domain */
-		;
-	else {
-		--i; if(ms[i]=='.') --i;
-		--j; if(md[j]=='.') --j;
-		while(tolower(ms[i]) == tolower(md[j])) {
-			if(ms[i]=='.') {
-				++k;
-				offs=i+1; offd=j+1;
-			}
-			if(i==0 || j==0) {
-				if((i==0 || ms[i-1]=='.') && (j==0 || md[j-1]=='.')) {
-					++k;
-					offs=i; offd=j;
-				}
-				break;
-			}
-			--i; --j;
-		}
-	}
-	if(os) *os=offs;
-	if(od) *od=offd;
-	return k;
-}
-#endif
-
-/* Compare the names (in length byte-string notation) back-to-forth and return the longest match.
-   The comparison is done at name granularity.
-   The return value is the length of the match in name elements.
-   *os (*od) is set to the offset in the domain name ms (md) of the match.
- */
-unsigned int domain_match(const unsigned char *ms, const unsigned char *md, unsigned int *os, unsigned int *od)
-{
-	unsigned int i,j,k,n,ns=0,nd=0,offs,offd;
-	unsigned char lb,ls[128],ld[128];
-
-	/* first collect all length bytes */
-	i=0;
-	while((lb=ms[i])) {
-		PDNSD_ASSERT(ns<128, "domain_match: too many name segments");
-		ls[ns++]=lb;
-		i += ((unsigned)lb)+1;
-	}
-
-	j=0;
-	while((lb=md[j])) {
-		PDNSD_ASSERT(nd<128, "domain_match: too many name segments");
-		ld[nd++]=lb;
-		j += ((unsigned)lb)+1;
-	}
-
-	n=ns;  if(n>nd) n=nd;
-
-	for(k=1; offs=i,offd=j,k<=n; ++k) {
-		lb=ls[ns-k];
-		if(lb!=ld[nd-k]) goto mismatch;
-		for(;lb;--lb)
-			if(tolower(ms[--i]) != tolower(md[--j])) goto mismatch;
-		--i; --j;
-	}
- mismatch:
-
-	if(os) *os=offs;
-	if(od) *od=offd;
-	return k-1;
-}
-
-/* compress the domain name in in and put the result (of maximum length of rhnlen(in)) and
- * fill cb with compression information for further strings.*cb may be NULL initially.
- * offs is the offset the generated string will be placed in the packet.
- * retval: 0 - error, otherwise length
- * When done, just free() cb (if it is NULL, free will behave correctly).
- * It is guaranteed (and insured by assertions) that the output is smaller or equal in
- * size to the input.
- */
-unsigned int compress_name(unsigned char *in, unsigned char *out, unsigned int offs, dlist *cb)
-{
-	compel_t *ci;
-	unsigned int longest=0,lrem=0,coffs=0;
-	unsigned int rl=0;
-	unsigned ilen = rhnlen(in);
-	unsigned short add=1;
-
-	PDNSD_ASSERT(ilen<=DNSNAMEBUFSIZE, "compress_name: name too long");
-
-	/* part 1: compression */
-	for (ci=dlist_first(*cb); ci; ci=dlist_next(ci)) {
-		unsigned int rv,rem,to;
-		if ((rv=domain_match(in, ci->s, &rem,&to))>longest) {
-			/*
-			 * This has some not obvious implications that should be noted: If a
-			 * domain name as saved in the list has been compressed, we only can
-			 * index the non-compressed part. We rely here that the first occurence
-			 * can't be compressed. So we take the first occurence of a given length.
-			 * This works perfectly, but watch it if you change something.
-			 */
-			unsigned int newoffs= ci->index + to;
-			 /* Only use if the offset is not too large. */
-			if(newoffs<=0x3fff) {
-				longest=rv;
-				lrem=rem;
-				coffs= newoffs;
-			}
-		}
-	}
-	if (longest>0) {
-		PDNSD_ASSERT(lrem+2 <= ilen, "compress_name: length increased");
-		memcpy(out, in,lrem);
-		out[lrem]=0xc0|((coffs&0x3f00)>>8);
-		out[lrem+1]=coffs&0xff;
-		rl=lrem+2;
-		add= lrem!=0;
-	}
-	else {
-		memcpy(out,in,ilen);
-		rl=ilen;
-	}
-
-	/* part 2: addition to the cache structure */
-	if (add) {
-		if (!(*cb=dlist_grow(*cb,sizeof(compel_t)+ilen)))
-			return 0;
-		ci=dlist_last(*cb);
-		ci->index=offs;
-		memcpy(ci->s,in,ilen);
-	}
-	return rl;
-}
-
-/* Convert a numeric IP address into a domain name representation
-   (C string) suitable for PTR records.
-   buf is assumed to be at least DNSNAMEBUFSIZE bytes in size.
-*/
-int a2ptrstr(pdnsd_ca *a, int tp, unsigned char *buf)
-{
-	if(tp==T_A) {
-		unsigned char *p=(unsigned char *)&a->ipv4.s_addr;
-		int n=snprintf(charp buf,DNSNAMEBUFSIZE,"%u.%u.%u.%u.in-addr.arpa.",p[3],p[2],p[1],p[0]);
-		if(n<0 || n>=DNSNAMEBUFSIZE)
-			return 0;
-	}
-	else
-#if ALLOW_LOCAL_AAAA
-	if(tp==T_AAAA) {
-		unsigned char *p=(unsigned char *)&a->ipv6;
-		int i,offs=0;
-		for (i=15;i>=0;--i) {
-			unsigned char bt=p[i];
-			int n=snprintf(charp(buf+offs), DNSNAMEBUFSIZE-offs,"%x.%x.",bt&0xf,(bt>>4)&0xf);
-			if(n<0) return 0;
-			offs+=n;
-			if(offs>=DNSNAMEBUFSIZE) return 0;
-		}
-		if(!strncp(charp(buf+offs),"ip6.arpa.",DNSNAMEBUFSIZE-offs))
-			return 0;
-	}
-	else
-#endif
-		return 0;
-	return 1;
-}
-
-/*
- * Add records for a host as read from a hosts-style file.
- * Returns 1 on success, 0 in an out of memory condition, and -1 when there was a problem with
- * the record data.
- */
-static int add_host(unsigned char *pn, unsigned char *rns, pdnsd_ca *a, int tp, int a_sz, time_t ttl, unsigned flags, int reverse)
-{
-	dns_cent_t ce;
-
-	if (!init_cent(&ce, pn, 0, 0, flags  DBG0))
-		return 0;
-	if (!add_cent_rr(&ce,tp,ttl,0,CF_LOCAL,a_sz,a  DBG0))
-		goto free_cent_return0;
-	if (!add_cent_rr(&ce,T_NS,ttl,0,CF_LOCAL,rhnlen(rns),rns  DBG0))
-		goto free_cent_return0;
-	add_cache(&ce);
-	free_cent(&ce  DBG0);
-	if (reverse) {
-		unsigned char b2[DNSNAMEBUFSIZE],rhn[DNSNAMEBUFSIZE];
-		if(!a2ptrstr(a,tp,b2))
-			return -1;
-		if (!str2rhn(b2,rhn))
-			return -1;
-		if (!init_cent(&ce, rhn, 0, 0, flags  DBG0))
-			return 0;
-		if (!add_cent_rr(&ce,T_PTR,ttl,0,CF_LOCAL,rhnlen(pn),pn  DBG0))
-			goto free_cent_return0;
-		if (!add_cent_rr(&ce,T_NS,ttl,0,CF_LOCAL,rhnlen(rns),rns  DBG0))
-			goto free_cent_return0;
-		add_cache(&ce);
-		free_cent(&ce  DBG0);
-	}
-	return 1;
-
- free_cent_return0:
-	free_cent(&ce  DBG0);
-	return 0;
-}
-
-/*
- * Read a file in /etc/hosts-format and add generate rrs for it.
- * Errors are largely ignored so that we can skip entries we do not understand
- * (but others possibly do).
- */
-int read_hosts(const char *fn, unsigned char *rns, time_t ttl, unsigned flags, int aliases, char **errstr)
-{
-	int rv=0;
-	FILE *f;
-	char *buf;
-	size_t buflen=256;
-
-	if (!(f=fopen(fn,"r"))) {
-		if(asprintf(errstr, "Failed to source %s: %s", fn, strerror(errno))<0) *errstr=NULL;
-		return 0;
-	}
-	buf=malloc(buflen);
-	if(!buf) {
-		*errstr=NULL;
-		goto fclose_return;
-	}
-	while(getline(&buf,&buflen,f)>=0) {
-		unsigned int len;
-		unsigned char *p,*pn,*pi;
-		unsigned char rhn[DNSNAMEBUFSIZE];
-		int tp,sz;
-		pdnsd_ca a;
-
-		p= ucharp strchr(buf,'#');
-		if(p) *p=0;
-		p= ucharp buf;
-		for(;;) {
-			if(!*p) goto nextline;
-			if(!isspace(*p)) break;
-			++p;
-		}
-		pi=p;
-		do {
-			if(!*++p) goto nextline;
-		} while(!isspace(*p));
-		*p=0;
-		do {
-			if(!*++p) goto nextline;
-		} while (isspace(*p));
-		pn=p;
-		do {
-			++p;
-		} while(*p && !isspace(*p));
-		len=p-pn;
-		if (parsestr2rhn(pn,len,rhn)!=NULL)
-			continue;
-		if (inet_aton(charp pi,&a.ipv4)) {
-			tp=T_A;
-			sz=sizeof(struct in_addr);
-		} else {
-#if ALLOW_LOCAL_AAAA    /* We don't read them otherwise, as the C library may not be able to to that.*/
-			if (inet_pton(AF_INET6,charp pi,&a.ipv6)>0) {
-				tp=T_AAAA;
-				sz=sizeof(struct in6_addr);
-			} else
-#endif
-			continue;
-		}
-		{
-			int res=add_host(rhn, rns, &a, tp,sz, ttl, flags, 1);
-			if(res==0) {
-				*errstr= NULL;
-				goto cleanup_return;
-			}
-			else if(res<0)
-				continue;
-		}
-		if(aliases) {
-			for(;;) {
-				for(;;) {
-					if(!*p) goto nextline;
-					if(!isspace(*p)) break;
-					++p;
-				}
-				pn=p;
-				do {
-					++p;
-				} while(*p && !isspace(*p));
-				len=p-pn;
-				if (parsestr2rhn(pn,len,rhn)!=NULL)
-					break;
-				if (add_host(rhn, rns, &a, tp,sz, ttl, flags, 0) == 0) {
-					*errstr= NULL;
-					goto cleanup_return;
-				}
-			}
-		}
-	nextline:;
-	}
-	if (feof(f))
-		rv=1;
-	else if(asprintf(errstr, "Failed to source %s: %s", fn, strerror(errno))<0) *errstr=NULL;
- cleanup_return:
-	free(buf);
- fclose_return:
-	fclose(f);
-	return rv;
-}
-
-
-/* Get the name of an RR type given its value. */
-const char *getrrtpname(int tp)
-{
-	return tp>=T_MIN && tp<=T_MAX? rrnames[tp-T_MIN]: "[unknown]";
-}
-
-#if DEBUG>0
-/*
- * Const decoders for debugging display
- */
-static const char *const c_names[C_NUM] = {"IN","CS","CH","HS"};
-static const char *const qt_names[QT_NUM]={"IXFR","AXFR","MAILB","MAILA","*"};
-
-const char *get_cname(int id)
-{
-	if (id>=C_MIN && id<=C_MAX)
-		return c_names[id-C_MIN];
-	if (id==QC_ALL)
-		return "*";
-	return "[unknown]";
-}
-
-const char *get_tname(int id)
-{
-	if (id>=T_MIN && id<=T_MAX)
-		return rrnames[id-T_MIN];
-        else if (id>=QT_MIN && id<=QT_MAX)
-		return qt_names[id-QT_MIN];
-	return "[unknown]";
-}
-
-
-#define NRC 17
-static const char *const e_names[NRC]={
-	"no error",
-	"query format error",
-	"server failed",
-	"non-existent domain",
-	"not supported",
-	"query refused",
-	"name exists when it should not",
-	"RR set exists when it should not",
-	"RR set that should exist does not",
-	"server not authoritative for zone",
-	"name not contained in zone",
-	"11",
-	"12",
-	"13",
-	"14",
-	"15",
-	"bad OPT version"
-};
-
-const char *get_ename(int id)
-{
-	if (id>=0 && id<NRC)
-		return e_names[id];
-	return "[unknown]";
-}
-
-
-/* Construct a human-readable string listing the flags that are set
-   in a dns header. buf must have a size of at least DNSFLAGSMAXSTRSIZE.
-   Used for debugging purposes only.
-*/
-char *dnsflags2str(dns_hdr_t *hdr, char *buf)
-{
-	char *p= buf;
-
-	if (hdr->aa)
-		p=mempcpy(p, " AA", 3);
-	if (hdr->tc)
-		p=mempcpy(p, " TC", 3);
-	if (hdr->rd)
-		p=mempcpy(p, " RD", 3);
-	if (hdr->ra)
-		p=mempcpy(p, " RA", 3);
-	if (hdr->z)
-		p=mempcpy(p, " Z", 2);
-	if (hdr->ad)
-		p=mempcpy(p, " AD", 3);
-	if (hdr->cd)
-		p=mempcpy(p, " CD", 3);
-	*p=0;
-
-	return buf;
-}
-
-#endif
-
-
-#if DEBUG>=9
-/* Based on debug code contributed by Kiyo Kelvin Lee. */
-
-void debug_dump_dns_msg(void *data, size_t len)
-{
-	unsigned char *udata = (unsigned char *)data;
-#       define dmpchksz 16
-	char buf[dmpchksz*4+2];
-	size_t i, j, k, l;
-
-	DEBUG_MSG("pointer=%p len=%lu\n", udata, (unsigned long)len);
-
-	for (i = 0; i < len; i += dmpchksz) {
-		char *cp = buf;
-		k = l = i + dmpchksz;
-		if(k > len) k = len;
-		for (j = i; j < k; ++j) {
-			int n = sprintf(cp, "%02x ", udata[j]);
-			cp += n;
-		}
-		for (; j < l; ++j) {
-			*cp++ = ' ';
-			*cp++ = ' ';
-			*cp++ = ' ';
-		}
-		*cp++ = ' ';
-		for (j = i; j < k; ++j) {
-			*cp++ = isprint(udata[j]) ? udata[j] : '.';
-		}
-		PDNSD_ASSERT(cp < buf + sizeof(buf), "debug_dump_dns_msg: line buffer overflowed");
-		*cp = '\0';
-		DEBUG_MSG("%s\n", buf);
-	}
-
-	if(len >= sizeof(dns_hdr_t)) {
-		dns_hdr_t *hdr = (dns_hdr_t *)data;
-
-		DEBUG_MSG(
-			"id=%04x qr=%x opcode=%x aa=%x tc=%x rd=%x "
-			"ra=%x z=%x ad=%x cd=%x rcode=%x\n",
-			ntohs(hdr->id), hdr->qr, hdr->opcode, hdr->aa, hdr->tc, hdr->rd,
-			hdr->ra, hdr->z, hdr->ad, hdr->cd, hdr->rcode);
-		DEBUG_MSG(
-			"qdcount=%04x ancount=%04x nscount=%04x arcount=%04x\n",
-			ntohs(hdr->qdcount), ntohs(hdr->ancount), ntohs(hdr->nscount), ntohs(hdr->arcount));
-	}
-}
-#endif
diff --git a/app/src/main/jni/pdnsd/src/dns.h b/app/src/main/jni/pdnsd/src/dns.h
deleted file mode 100644
index 0f6a4ac..0000000
--- a/app/src/main/jni/pdnsd/src/dns.h
+++ /dev/null
@@ -1,309 +0,0 @@
-/* dns.h - Declarations for dns handling and generic dns functions
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2004, 2005, 2009, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef DNS_H
-#define DNS_H
-
-#include <config.h>
-#include <arpa/inet.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <sys/types.h>
-#include <inttypes.h>
-#include "rr_types.h"
-#include "list.h"
-#include "ipvers.h"
-
-#if (TARGET==TARGET_BSD)
-# if !defined(__BIG_ENDIAN)
-#  if defined(BIG_ENDIAN)
-#   define __BIG_ENDIAN BIG_ENDIAN
-#  elif defined(_BIG_ENDIAN)
-#   define __BIG_ENDIAN _BIG_ENDIAN
-#  endif
-# endif
-# if !defined(__LITTLE_ENDIAN)
-#  if defined(LITTLE_ENDIAN)
-#   define __LITTLE_ENDIAN LITTLE_ENDIAN
-#  elif defined(_LITTLE_ENDIAN)
-#   define __LITTLE_ENDIAN _LITTLE_ENDIAN
-#  endif
-# endif
-# if !defined(__BYTE_ORDER)
-#  if defined(BYTE_ORDER)
-#   define __BYTE_ORDER BYTE_ORDER
-#  elif defined(_BYTE_ORDER)
-#   define __BYTE_ORDER _BYTE_ORDER
-#  endif
-# endif
-#endif
-
-/* Deal with byte orders */
-#ifndef __BYTE_ORDER
-# if defined(__LITTLE_ENDIAN) && defined(__BIG_ENDIAN)
-#  error Fuzzy endianness system! Both __LITTLE_ENDIAN and __BIG_ENDIAN have been defined!
-# endif
-# if !defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN)
-#  error Strange Endianness-less system! Neither __LITTLE_ENDIAN nor __BIG_ENDIAN has been defined!
-# endif
-# if defined(__LITTLE_ENDIAN)
-#  define __BYTE_ORDER __LITTLE_ENDIAN
-# elif defined(__BIG_ENDIAN)
-#  define __BYTE_ORDER __BIG_ENDIAN
-# endif
-#endif
-
-/* special rr type codes for queries */
-#define QT_MIN    251
-#define QT_IXFR   251
-#define QT_AXFR   252
-#define QT_MAILB  253
-#define QT_MAILA  254
-#define QT_ALL    255
-#define QT_MAX    255
-#define QT_NUM      5
-
-/* rr classes */
-#define C_MIN       1
-#define C_IN        1
-#define C_CS        2
-#define C_CH        3
-#define C_HS        4
-#define C_MAX       4
-#define C_NUM       4
-
-/* special classes for queries */
-#define QC_ALL    255
-
-/* status codes */
-#define RC_OK       0
-#define RC_FORMAT   1
-#define RC_SERVFAIL 2
-#define RC_NAMEERR  3
-#define RC_NOTSUPP  4
-#define RC_REFUSED  5
-#define RC_BADVERS 16
-
-/*
- * special internal retvals
- */
-#define RC_NOTCACHED  0xfffa
-#define RC_CACHED     0xfffb
-#define RC_STALE      0xfffc
-#define RC_TCPREFUSED 0xfffd
-#define RC_TRUNC      0xfffe
-#define RC_FATALERR   0xffff
-
-/* query/response */
-#define QR_QUERY    0
-#define QR_RESP     1
-
-/*opcodes */
-#define OP_QUERY    0
-#define OP_IQUERY   1
-#define OP_STATUS   2
-
-#if 0
-typedef struct {
-	/* the name is the first field. It has variable length, so it can't be put in the struct */
-	uint16_t type;
-	uint16_t class;
-	uint32_t ttl;
-	uint16_t rdlength;
-	/* rdata follows */
-} __attribute__((packed)) rr_hdr_t;
-
-#define sizeof_rr_hdr_t (sizeof rr_hdr_t)
-#else
-
-/* We will not actually use the rr_hdr_t type, only its size:
-   sizeof(rr_hdr_t) = 2 + 2 + 4 + 2 */
-#define sizeof_rr_hdr_t 10
-#endif
-
-#define sizeof_opt_pseudo_rr  (1+sizeof_rr_hdr_t)
-
-#if 0
-typedef struct {
-	/* The server name and maintainer mailbox are the first two fields. It has variable length, */
-	/* so they can't be put in the struct */
-	uint32_t serial;
-	uint32_t refresh;
-	uint32_t retry;
-	uint32_t expire;
-	uint32_t minimum;
-} __attribute__((packed)) soa_r_t;
-
-
-typedef struct {
-/*	char           qname[];*/
-	uint16_t qtype;
-	uint16_t qclass;
-} __attribute__((packed)) std_query_t;
-#endif
-
-
-typedef struct {
-	uint16_t id;
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-	unsigned int   rd:1;
-	unsigned int   tc:1;
-	unsigned int   aa:1;
-	unsigned int   opcode:4;
-	unsigned int   qr:1;
-	unsigned int   rcode:4;
-	unsigned int   cd:1;
-	unsigned int   ad:1;
-	unsigned int   z :1;
-	unsigned int   ra:1;
-#elif __BYTE_ORDER == __BIG_ENDIAN
-	unsigned int   qr:1;
-	unsigned int   opcode:4;
-	unsigned int   aa:1;
-	unsigned int   tc:1;
-	unsigned int   rd:1;
-	unsigned int   ra:1;
-	unsigned int   z :1;
-	unsigned int   ad:1;
-	unsigned int   cd:1;
-	unsigned int   rcode:4;
-#else
-# error	"Please define __BYTE_ORDER to be __LITTLE_ENDIAN or __BIG_ENDIAN"
-#endif
-	uint16_t qdcount;
-	uint16_t ancount;
-	uint16_t nscount;
-	uint16_t arcount;
-} __attribute__((packed)) dns_hdr_t;
-
-
-/* A structure that can also be used for DNS messages over TCP. */
-typedef struct {
-#ifndef NO_TCP_QUERIES
-	uint16_t len;
-#endif
-	dns_hdr_t hdr;
-} __attribute__((packed)) dns_msg_t;
-
-#ifdef NO_TCP_QUERIES
-# define dnsmsghdroffset 0
-#else
-# define dnsmsghdroffset 2
-#endif
-
-
-/* Structure for storing EDNS (Extension mechanisms for DNS) information. */
-typedef struct {
-	unsigned short udpsize;
-	unsigned short rcode;
-	unsigned short version;
-	unsigned char  do_flg;
-} edns_info_t;
-
-
-/* Macros to retrieve or store integer data that is not necessarily aligned.
-   Also takes care of network to host byte order.
-   The pointer cp is advanced and should be of type void* or char*.
-   These are actually adapted versions of the NS_GET16 and NS_GET32
-   macros in the arpa/nameser.h include file in the BIND 9 source.
-*/
-
-#define GETINT16(s,cp) do {							\
-	register uint16_t t_s;							\
-	register const unsigned char *t_cp = (const unsigned char *)(cp);	\
-	t_s = (uint16_t)*t_cp++ << 8;						\
-	t_s |= (uint16_t)*t_cp++;						\
-	(s) = t_s;								\
-	(cp) = (void *)t_cp;							\
-} while (0)
-
-#define GETINT32(l,cp) do {							\
-	register uint32_t t_l;							\
-	register const unsigned char *t_cp = (const unsigned char *)(cp);	\
-	t_l = (uint32_t)*t_cp++ << 24;						\
-	t_l |= (uint32_t)*t_cp++ << 16;						\
-	t_l |= (uint32_t)*t_cp++ << 8;						\
-	t_l |= (uint32_t)*t_cp++;						\
-	(l) = t_l;								\
-	(cp) = (void *)t_cp;							\
-} while (0)
-
-#define PUTINT16(s,cp) do {					\
-	register uint16_t t_s = (uint16_t)(s);			\
-	register unsigned char *t_cp = (unsigned char *)(cp);	\
-	*t_cp++ = t_s >> 8;					\
-	*t_cp++ = t_s;						\
-	(cp) = (void *)t_cp;					\
-} while (0)
-
-#define PUTINT32(l,cp) do {					\
-	register uint32_t t_l = (uint32_t)(l);			\
-	register unsigned char *t_cp = (unsigned char *)(cp);	\
-	*t_cp++ = t_l >> 24;					\
-	*t_cp++ = t_l >> 16;					\
-	*t_cp++ = t_l >> 8;					\
-	*t_cp++ = t_l;						\
-	(cp) = (void *)t_cp;					\
-} while (0)
-
-
-/* Size (number of bytes) of buffers used to hold domain names. */
-#define DNSNAMEBUFSIZE 256
-
-/* Recursion depth. */
-#define MAX_HOPS 20
-
-/*
- * Types for compression buffers.
- */
-typedef struct {
-	unsigned int  index;
-	unsigned char s[0];
-} compel_t;
-
-
-
-int decompress_name(unsigned char *msg, size_t msgsz, unsigned char **src, size_t *sz, unsigned char *tgt, unsigned int *len);
-/* int domain_name_match(const unsigned char *ms, const unsigned char *md, int *os, int *od); */
-unsigned int domain_match(const unsigned char *ms, const unsigned char *md, unsigned int *os, unsigned int *od);
-unsigned int compress_name(unsigned char *in, unsigned char *out, unsigned int offs, dlist *cb);
-int a2ptrstr(pdnsd_ca *a, int tp, unsigned char *buf);
-int read_hosts(const char *fn, unsigned char *rns, time_t ttl, unsigned flags, int aliases, char **errstr);
-
-const char *getrrtpname(int tp);
-#if DEBUG>0
-const char *get_cname(int id);
-const char *get_tname(int id);
-const char *get_ename(int id);
-#define DNSFLAGSMAXSTRSIZE (7*3+1)
-char *dnsflags2str(dns_hdr_t *hdr, char *buf);
-#endif
-
-#if DEBUG>=9
-void debug_dump_dns_msg(void *data, size_t len);
-#define DEBUG_DUMP_DNS_MSG(d,l) {if(debug_p && global.verbosity>=9) debug_dump_dns_msg(d,l);}
-#else
-#define DEBUG_DUMP_DNS_MSG(d,l)
-#endif
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/dns_answer.c b/app/src/main/jni/pdnsd/src/dns_answer.c
deleted file mode 100644
index 6a2a5b5..0000000
--- a/app/src/main/jni/pdnsd/src/dns_answer.c
+++ /dev/null
@@ -1,2170 +0,0 @@
-/* dns_answer.c - Receive and process incoming dns queries.
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-/*
- * STANDARD CONFORMITY
- *
- * There are several standard conformity issues noted in the comments.
- * Some additional comments:
- *
- * I always set RA but I ignore RD largely (in everything but CNAME recursion),
- * not because it is not supported, but because I _always_ do a recursive
- * resolve in order to be able to cache the results.
- */
-
-#include <config.h>
-#include "ipvers.h"
-#include <pthread.h>
-#include <sys/uio.h>
-#include <sys/types.h>
-#ifdef HAVE_SYS_POLL_H
-#include <sys/poll.h>
-#endif
-#include <sys/param.h>
-#include <netdb.h>
-#include <signal.h>
-#include <time.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include "thread.h"
-#include "list.h"
-#include "dns.h"
-#include "dns_answer.h"
-#include "dns_query.h"
-#include "helpers.h"
-#include "cache.h"
-#include "error.h"
-#include "debug.h"
-
-
-/*
- * This is for error handling to prevent spewing the log files.
- * Maximums of different message types are set.
- * Races do not really matter here, so no locks.
- */
-#define TCP_MAX_ERRS 10
-#define UDP_MAX_ERRS 10
-#define MEM_MAX_ERRS 10
-#define THRD_MAX_ERRS 10
-#define MISC_MAX_ERRS 10
-static volatile unsigned long da_tcp_errs=0;
-static volatile unsigned long da_udp_errs=0;
-static volatile unsigned long da_mem_errs=0;
-static volatile unsigned long da_thrd_errs=0;
-#if DEBUG>0
-static volatile unsigned long da_misc_errs=0;
-#endif
-static volatile int procs=0;   /* active query processes */
-static volatile int qprocs=0;  /* queued query processes */
-static volatile unsigned long dropped=0,spawned=0;
-static volatile unsigned thrid_cnt=0;
-static pthread_mutex_t proc_lock = PTHREAD_MUTEX_INITIALIZER;
-
-#ifdef SOCKET_LOCKING
-static pthread_mutex_t s_lock = PTHREAD_MUTEX_INITIALIZER;
-#endif
-
-typedef union {
-#ifdef ENABLE_IPV4
-# if (TARGET==TARGET_LINUX)
-	struct in_pktinfo   pi4;
-# else
-	struct in_addr      ai4;
-# endif
-#endif
-#ifdef ENABLE_IPV6
-	struct in6_pktinfo  pi6;
-#endif
-} pkt_info_t;
-
-
-typedef struct {
-	union {
-#ifdef ENABLE_IPV4
-		struct sockaddr_in  sin4;
-#endif
-#ifdef ENABLE_IPV6
-		struct sockaddr_in6 sin6;
-#endif
-	}                  addr;
-
-	pkt_info_t         pi;
-
-	int                sock;
-	int                proto;
-	size_t             len;
-	unsigned char      buf[0];  /* Actual size determined by global.udpbufsize */
-} udp_buf_t;
-
-
-/* ALLOCINITIALSIZE should be at least sizeof(dns_msg_t) = 2+12 */
-#define ALLOCINITIALSIZE 256
-/* This mask corresponds to a chunk size of 128 bytes. */
-#define ALLOCCHUNKSIZEMASK ((size_t)0x7f)
-
-typedef struct {
-	unsigned short qtype;
-	unsigned short qclass;
-	unsigned char  query[0];
-} dns_queryel_t;
-
-
-#define S_ANSWER     1
-#define S_AUTHORITY  2
-#define S_ADDITIONAL 3
-
-typedef struct {
-	unsigned short tp,dlen;
-	unsigned char nm[0];
-	/* unsigned char data[0]; */
-} sva_t;
-
-
-/*
- * Mark an additional record as added to avoid double records.
- */
-static int sva_add(dlist *sva, const unsigned char *rhn, unsigned short tp, unsigned short dlen, void* data)
-{
-	if (sva) {
-		size_t rlen=rhnlen(rhn);
-		sva_t *st;
-		if (!(*sva=dlist_grow(*sva,sizeof(sva_t)+rlen+dlen))) {
-			return 0;
-		}
-		st=dlist_last(*sva);
-		st->tp=tp;
-		st->dlen=dlen;
-		memcpy(mempcpy(st->nm,rhn,rlen),data,dlen);
-	}
-	return 1;
-}
-
-/* ans_ttl computes the ttl value to return to the client.
-   This is the ttl value stored in the cache entry minus the time
-   the cache entry has lived in the cache.
-   Local cache entries are an exception, they never "age".
-*/
-inline static time_t ans_ttl(rr_set_t *rrset, time_t queryts)
-{
-	time_t ttl= rrset->ttl;
-
-	if (!(rrset->flags&CF_LOCAL)) {
-		time_t tpassed= queryts - rrset->ts;
-		if(tpassed<0) tpassed=0;
-		ttl -= tpassed;
-		if(ttl<0) ttl=0;
-	}
-	return ttl;
-}
-
-/* follow_cname_chain takes a cache entry and a buffer (must be at least DNSNAMEBUFSIZE bytes),
-   and copies the name indicated by the first cname record in the cache entry.
-   The name is returned in length-byte string notation.
-   follow_cname_chain returns 1 if a cname record is found, otherwise 0.
-*/
-inline static int follow_cname_chain(dns_cent_t *c, unsigned char *name)
-{
-	rr_set_t *rrset=getrrset_CNAME(c);
-	rr_bucket_t *rr;
-	if (!rrset || !(rr=rrset->rrs))
-		return 0;
-	PDNSD_ASSERT(rr->rdlen <= DNSNAMEBUFSIZE, "follow_cname_chain: record too long");
-	memcpy(name,rr->data,rr->rdlen);
-	return 1;
-}
-
-
-/*
- * Add data from a rr_bucket_t (as in cache) into a dns message in ans. Ans is grown
- * to fit, sz is the old size of the packet (it is modified so at the end of the procedure
- * it is the new size), type is the rr type and ltime is the time in seconds the record is
- * old.
- * cb is the buffer used for message compression. *cb should be NULL when you call compress_name
- * or add_to_response the first time.
- * It gets filled with a pointer to compression information that can be reused in subsequent calls
- * to add_to_response.
- * sect is the section (S_ANSWER, S_AUTHORITY or S_ADDITIONAL) in which the record
- * belongs logically. Note that you still have to add the rrs in the right order (answer rrs first,
- * then authority and last additional).
- */
-static int add_rr(dns_msg_t **ans, size_t *sz, size_t *allocsz,
-		  unsigned char *rrn, unsigned short type, uint32_t ttl,
-		  unsigned int dlen, void *data, char section, unsigned *udp, dlist *cb)
-{
-	size_t osz= *sz;
-	unsigned int ilen,blen,rdlen;
-	unsigned char *rrht;
-
-	{
-		unsigned int nlen;
-		unsigned char nbuf[DNSNAMEBUFSIZE];
-
-		if (!(nlen=compress_name(rrn,nbuf,*sz,cb)))
-			return 0;
-
-		/* This buffer is usually over-allocated due to compression.
-		   Never mind, just a few bytes, and the buffer is freed soon. */
-		{
-			size_t newsz= dnsmsghdroffset + *sz + nlen + sizeof_rr_hdr_t + dlen;
-			if(newsz > *allocsz) {
-				/* Need to allocate more space.
-				   To avoid frequent reallocs, we allocate
-				   a multiple of a certain chunk size. */
-				size_t newallocsz= (newsz+ALLOCCHUNKSIZEMASK)&(~ALLOCCHUNKSIZEMASK);
-				dns_msg_t *newans=(dns_msg_t *)pdnsd_realloc(*ans,newallocsz);
-				if (!newans)
-					return 0;
-				*ans=newans;
-				*allocsz=newallocsz;
-			}
-		}
-		memcpy((unsigned char *)(&(*ans)->hdr)+ *sz, nbuf, nlen);
-		*sz += nlen;
-	}
-
-	/* the rr header will be filled in later. Just reserve some space for it. */
-	rrht= ((unsigned char *)(&(*ans)->hdr)) + *sz;
-	*sz += sizeof_rr_hdr_t;
-
-	switch (type) {
-	case T_CNAME:
-	case T_MB:
-	case T_MD:
-	case T_MF:
-	case T_MG:
-	case T_MR:
-	case T_NS:
-	case T_PTR:
-		if (!(rdlen=compress_name(((unsigned char *)data), ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
-			return 0;
-		PDNSD_ASSERT(rdlen <= dlen, "T_CNAME/T_MB/...: got longer");
-		*sz+=rdlen;
-		break;
-#if IS_CACHED_MINFO || IS_CACHED_RP
-#if IS_CACHED_MINFO
-	case T_MINFO:
-#endif
-#if IS_CACHED_RP
-	case T_RP:
-#endif
-		if (!(rdlen=compress_name(((unsigned char *)data), ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
-			return 0;
-		*sz+=rdlen;
-		ilen=rhnlen((unsigned char *)data);
-		PDNSD_ASSERT(rdlen <= ilen, "T_MINFO/T_RP: got longer");
-		if (!(blen=compress_name(((unsigned char *)data)+ilen, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
-			return 0;
-		rdlen+=blen;
-		PDNSD_ASSERT(rdlen <= dlen, "T_MINFO/T_RP: got longer");
-		*sz+=blen;
-		break;
-#endif
-	case T_MX:
-#if IS_CACHED_AFSDB
-	case T_AFSDB:
-#endif
-#if IS_CACHED_RT
-	case T_RT:
-#endif
-#if IS_CACHED_KX
-	case T_KX:
-#endif
-		PDNSD_ASSERT(dlen > 2, "T_MX/T_AFSDB/...: rr botch");
-		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),(unsigned char *)data,2);
-		*sz+=2;
-		if (!(blen=compress_name(((unsigned char *)data)+2, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
-			return 0;
-		rdlen=2+blen;
-		PDNSD_ASSERT(rdlen <= dlen, "T_MX/T_AFSDB/...: got longer");
-		*sz+=blen;
-		break;
-	case T_SOA:
-		if (!(rdlen=compress_name(((unsigned char *)data), ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
-			return 0;
-		*sz+=rdlen;
-		ilen=rhnlen((unsigned char *)data);
-		PDNSD_ASSERT(rdlen <= ilen, "T_SOA: got longer");
-		if (!(blen=compress_name(((unsigned char *)data)+ilen, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
-			return 0;
-		rdlen+=blen;
-		*sz+=blen;
-		ilen+=rhnlen(((unsigned char *)data)+ilen);
-		PDNSD_ASSERT(rdlen <= ilen, "T_SOA: got longer");
-		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),((unsigned char *)data)+ilen,20);
-		rdlen+=20;
-		PDNSD_ASSERT(rdlen <= dlen, "T_SOA: rr botch");
-		*sz+=20;
-		break;
-#if IS_CACHED_PX
-	case T_PX:
-		PDNSD_ASSERT(dlen > 2, "T_PX: rr botch");
-		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),(unsigned char *)data,2);
-		*sz+=2;
-		ilen=2;
-		if (!(blen=compress_name(((unsigned char *)data)+ilen, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
-			return 0;
-		rdlen=2+blen;
-		*sz+=blen;
-		ilen+=rhnlen(((unsigned char *)data)+ilen);
-		PDNSD_ASSERT(rdlen <= ilen, "T_PX: got longer");
-		if (!(blen=compress_name(((unsigned char *)data)+ilen, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
-			return 0;
-		rdlen+=blen;
-		PDNSD_ASSERT(rdlen <= dlen, "T_PX: got longer");
-		*sz+=blen;
-		break;
-#endif
-#if IS_CACHED_SRV
-	case T_SRV:
-		PDNSD_ASSERT(dlen > 6, "T_SRV: rr botch");
-		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),(unsigned char *)data,6);
-		*sz+=6;
-		if (!(blen=compress_name(((unsigned char *)data)+6, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
-			return 0;
-		rdlen=6+blen;
-		PDNSD_ASSERT(rdlen <= dlen, "T_SRV: got longer");
-		*sz+=blen;
-		break;
-#endif
-#if IS_CACHED_NXT
-	case T_NXT:
-		if (!(blen=compress_name(((unsigned char *)data), ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
-			return 0;
-		rdlen=blen;
-		*sz+=blen;
-		ilen=rhnlen((unsigned char *)data);
-		PDNSD_ASSERT(rdlen <= ilen, "T_NXT: got longer");
-		PDNSD_ASSERT(dlen >= ilen, "T_NXT: rr botch");
-		if (dlen > ilen) {
-			unsigned int wlen = dlen - ilen;
-			memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),((unsigned char *)data)+ilen,wlen);
-			*sz+=wlen;
-			rdlen+=wlen;
-		}
-		break;
-#endif
-#if IS_CACHED_NAPTR
-	case T_NAPTR:
-		PDNSD_ASSERT(dlen > 4, "T_NAPTR: rr botch");
-		ilen=4;
-		{
-			int j;
-			for (j=0;j<3;j++) {
-				ilen += ((unsigned)*(((unsigned char *)data)+ilen)) + 1;
-				PDNSD_ASSERT(dlen > ilen, "T_NAPTR: rr botch 2");
-			}
-		}
-		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),((unsigned char *)data),ilen);
-		(*sz)+=ilen;
-
-		if (!(blen=compress_name(((unsigned char *)data)+ilen, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
-			return 0;
-		rdlen=ilen+blen;
-		PDNSD_ASSERT(rdlen <= dlen, "T_NAPTR: got longer");
-		*sz+=blen;
-		break;
-#endif
-	default:
-		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),((unsigned char *)data),dlen);
-		rdlen=dlen;
-		*sz+=dlen;
-	}
-
-	if (udp && *sz>*udp && section==S_ADDITIONAL) /* only add the record if we do not increase the length over 512 */
-		*sz=osz;                              /* (or possibly more if the request used EDNS) in additionals for udp answer. */
-	else {
-		PUTINT16(type,rrht);
-		PUTINT16(C_IN,rrht);
-		PUTINT32(ttl,rrht);
-		PUTINT16(rdlen,rrht);
-
-		switch (section) {
-		case S_ANSWER:
-			(*ans)->hdr.ancount=htons(ntohs((*ans)->hdr.ancount)+1);
-			break;
-		case S_AUTHORITY:
-			(*ans)->hdr.nscount=htons(ntohs((*ans)->hdr.nscount)+1);
-			break;
-		case S_ADDITIONAL:
-			(*ans)->hdr.arcount=htons(ntohs((*ans)->hdr.arcount)+1);
-			break;
-		}
-	}
-
-	return 1;
-}
-
-/* Add an OPT pseudo RR containing EDNS info.
-   Can only be added to the additional section!
-*/
-int add_opt_pseudo_rr(dns_msg_t **ans, size_t *sz, size_t *allocsz,
-		      unsigned short udpsize, unsigned short rcode,
-		      unsigned short ednsver, unsigned short Zflags)
-{
-	unsigned char *ptr;
-	size_t newsz= dnsmsghdroffset + *sz + sizeof_opt_pseudo_rr;
-	if(newsz > *allocsz) {
-		/* Need to allocate more space.
-		   To avoid frequent reallocs, we allocate
-		   a multiple of a certain chunk size. */
-		size_t newallocsz= (newsz+ALLOCCHUNKSIZEMASK)&(~ALLOCCHUNKSIZEMASK);
-		dns_msg_t *newans=(dns_msg_t *)pdnsd_realloc(*ans,newallocsz);
-		if (!newans)
-			return 0;
-		*ans=newans;
-		*allocsz=newallocsz;
-	}
-
-	ptr= ((unsigned char *)(&(*ans)->hdr)) + *sz;
-	*ptr++ = 0;             /* Empty name */
-	PUTINT16(T_OPT,ptr);    /* type field */
-	PUTINT16(udpsize,ptr);  /* class field */
-	*ptr++ = rcode>>4;      /* 4 byte TTL field */
-	*ptr++ = ednsver;
-	PUTINT16(Zflags,ptr);
-	PUTINT16(0,ptr);        /* rdlen field */
-        /* Empty RDATA. */
-
-	*sz += sizeof_opt_pseudo_rr;
-	/* Increment arcount field in dns header. */
-	(*ans)->hdr.arcount = htons(ntohs((*ans)->hdr.arcount)+1);
-	return 1;
-}
-
-/* Remove the last entry in the additional section,
-   assuming it is an OPT pseudo RR of fixed size.
-   Returns the new message size if successful, or
-   zero if an inconsistency is detected.
-*/
-size_t remove_opt_pseudo_rr(dns_msg_t *ans, size_t sz)
-{
-	uint16_t acnt=ntohs(ans->hdr.arcount), type;
-	unsigned char *ptr;
-	/* First do some sanity checks. */
-	if(!(acnt>0 && sz >= sizeof(dns_hdr_t)+sizeof_opt_pseudo_rr))
-		return 0;
-	sz -= sizeof_opt_pseudo_rr;
-	ptr= ((unsigned char *)(&ans->hdr)) + sz;
-	if(*ptr++)
-		return 0;  /* Name must be empty. */
-	GETINT16(type,ptr);
-	if(type!=T_OPT)
-		return 0;  /* RR type must be OPT. */
-	/* Decrement arcount field in dns header. */
-	ans->hdr.arcount = htons(acnt-1);
-	return sz;
-}
-
-typedef struct rre_s {
-	unsigned short tp;
-	unsigned short tsz;		/* Size of tnm field */
-	uint32_t       ttl;		/* ttl of the record in the answer (if tp==T_NS or T_SOA) */
-	unsigned char  tnm[0];		/* Name for the domain a record refers to */
-	/* unsigned char  nm[0]; */	/* Name of the domain the record is for (if tp==T_NS or T_SOA) */
-} rr_ext_t;
-
-
-/* types for the tp field */
-/* #define RRETP_NS	T_NS */		/* For name server: add to authority, add address to additional. */
-/* #define RRETP_SOA	T_SOA */	/* For SOA record: add to authority. */
-#define RRETP_ADD	0		/* For other records: add the address of buf to additional */
-
-static int add_ar(dlist *ar,unsigned short tp, unsigned short tsz,void *tnm,unsigned char *nm, uint32_t ttl)
-{
-	rr_ext_t *re;
-	unsigned char *p;
-	size_t nmsz=0,size=sizeof(rr_ext_t)+tsz;
-	if(tp==T_NS || tp==T_SOA) {
-		nmsz=rhnlen(nm);
-		size += nmsz;
-	}
-	if (!(*ar=dlist_grow(*ar,size)))
-		return 0;
-	re=dlist_last(*ar);
-	re->tp=tp;
-	re->tsz=tsz;
-	re->ttl=ttl;
-	p=mempcpy(re->tnm,tnm,tsz);
-	if(tp==T_NS || tp==T_SOA) {
-		memcpy(p,nm,nmsz);
-	}
-	return 1;
-}
-
-
-/* Select a random rr record from a list. */
-inline static rr_bucket_t *randrr(rr_bucket_t *rrb)
-{
-	rr_bucket_t *rr;
-	unsigned cnt=0;
-
-	/* In order to have an equal chance for each record to be selected, we have to count first. */
-	for(rr=rrb; rr; rr=rr->next) ++cnt;
-
-	/* We do not use the pdnsd random functions (these might use /dev/urandom if the user is paranoid,
-	 * and we do not need any good PRNG here). */
-	if(cnt) for(cnt=random()%cnt; cnt; --cnt) rrb=rrb->next;
-
-	return rrb;
-}
-
-#if IS_CACHED_SRV
-#define AR_NUM 6
-#else
-#define AR_NUM 5
-#endif
-static const int ar_recs[AR_NUM]={T_NS, T_MD, T_MF, T_MB, T_MX
-#if IS_CACHED_SRV
-				  ,T_SRV
-#endif
-};
-/* offsets from record data start to server name */
-static const int ar_offs[AR_NUM]={0,0,0,0,2
-#if IS_CACHED_SRV
-				  ,6
-#endif
-};
-
-/* This adds an rrset, optionally randomizing the first element it adds.
- * if that is done, all rrs after the randomized one appear in order, starting from
- * that one and wrapping over if needed. */
-static int add_rrset(dns_msg_t **ans, size_t *sz, size_t *allocsz,
-		     unsigned char *rrn, unsigned tp, time_t queryts,
-		     dns_cent_t *cached, unsigned *udp, dlist *cb, dlist *sva, dlist *ar)
-{
-	rr_set_t *crrset=getrrset(cached,tp);
-
-	if (crrset && crrset->rrs) {
-		rr_bucket_t *b;
-		rr_bucket_t *first=NULL; /* Initialized to inhibit compiler warning */
-		int i;
-		short rnd_recs=global.rnd_recs;
-
-		b=crrset->rrs;
-		if (rnd_recs) b=first=randrr(crrset->rrs);
-
-		while (b) {
-			if (!add_rr(ans, sz, allocsz, rrn, tp, ans_ttl(crrset,queryts),
-				    b->rdlen, b->data, S_ANSWER, udp, cb))
-				return 0;
-			if (tp==T_NS || tp==T_A || tp==T_AAAA) {
-				/* mark it as added */
-				if (!sva_add(sva,rrn,tp,b->rdlen,b->data))
-					return 0;
-			}
-			/* Mark for additional address records. XXX: this should be a more effective algorithm; at least the list is small */
-			for (i=0;i<AR_NUM;i++) {
-				if (ar_recs[i]==tp) {
-					if (!add_ar(ar, RRETP_ADD,b->rdlen-ar_offs[i],((unsigned char *)(b->data))+ar_offs[i],
-						    ucharp "", 0))
-						return 0;
-					break;
-				}
-			}
-			b=b->next;
-			if (rnd_recs) {
-				if(!b) b=crrset->rrs; /* wraparound */
-				if(b==first)	break;
-			}
-		}
-	}
-	return 1;
-}
-
-/*
- * Add the fitting elements of the cached record to the message in ans, where ans
- * is grown to fit, sz is the size of the packet and is modified to be the new size.
- * The query is in qe.
- * cb is the buffer used for message compression. *cb should be NULL if you call add_to_response
- * the first time. It gets filled with a pointer to compression information that can be
- * reused in subsequent calls to add_to_response.
- */
-static int add_to_response(dns_msg_t **ans, size_t *sz, size_t *allocsz,
-			   unsigned char *rrn, unsigned qtype, time_t queryts,
-			   dns_cent_t *cached, unsigned *udp, dlist *cb, dlist *sva, dlist *ar)
-{
-	/* First of all, unless we have records of qtype, add cnames.
-	   Well, actually, there should be at max one cname. */
-	if (qtype!=T_CNAME && qtype!=QT_ALL && !(qtype>=T_MIN && qtype<=T_MAX && have_rr(cached,qtype)))
-		if (!add_rrset(ans, sz, allocsz, rrn, T_CNAME, queryts, cached, udp, cb, sva, ar))
-			return 0;
-
-	/* We need no switch for qclass, since we already have filtered packets we cannot understand */
-	if (qtype==QT_AXFR || qtype==QT_IXFR) {
-		/* I do not know what to do in this case. Since we do not maintain zones (and since we are
-		   no master server, so it is not our task), I just return an error message. If anyone
-		   knows how to do this better, please notify me.
-		   Anyway, this feature is rarely used in client communication, and there is no need for
-		   other name servers to ask pdnsd. Btw: many bind servers reject an ?XFR query for security
-		   reasons. */
-		return 0;
-	} else if (qtype==QT_MAILB) {
-		if (!add_rrset(ans, sz, allocsz, rrn, T_MB, queryts, cached, udp, cb, sva, ar))
-			return 0;
-		if (!add_rrset(ans, sz, allocsz, rrn, T_MG, queryts, cached, udp, cb, sva, ar))
-			return 0;
-		if (!add_rrset(ans, sz, allocsz, rrn, T_MR, queryts, cached, udp, cb, sva, ar))
-			return 0;
-	} else if (qtype==QT_MAILA) {
-		if (!add_rrset(ans, sz, allocsz, rrn, T_MD, queryts, cached, udp, cb, sva, ar))
-			return 0;
-		if (!add_rrset(ans, sz, allocsz, rrn, T_MF, queryts, cached, udp, cb, sva, ar))
-			return 0;
-	} else if (qtype==QT_ALL) {
-		int i, n= NRRITERLIST(cached);
-		const unsigned short *iterlist= RRITERLIST(cached);
-		for (i=0; i<n; ++i) {
-			if (!add_rrset(ans, sz, allocsz, rrn, iterlist[i], queryts, cached, udp, cb, sva, ar))
-				return 0;
-		}
-	} else if (qtype>=T_MIN && qtype<=T_MAX) {
-		if (!add_rrset(ans, sz, allocsz, rrn, qtype, queryts, cached, udp, cb, sva, ar))
-			return 0;
-	} else /* Shouldn't get here. */
-		return 0;
-#if 0
-	if (!ntohs((*ans)->hdr.ancount)) {
-		/* Add a SOA if we have one and no other records are present in the answer.
-		 * This is to aid caches so that they have a ttl. */
-		if (!add_rrset(ans, sz, allocsz, rrn, T_SOA , queryts, cached, udp, cb, sva, ar))
-			return 0;
-	}
-#endif
-	return 1;
-}
-
-/*
- * Add an additional
- */
-static int add_additional_rr(dns_msg_t **ans, size_t *rlen, size_t *allocsz,
-			     unsigned char *rhn, unsigned tp, time_t ttl,
-			     unsigned dlen, void *data, int sect, unsigned *udp, dlist *cb, dlist *sva)
-{
-	sva_t *st;
-
-	/* Check if already added; no double additionals */
-	for (st=dlist_first(*sva); st; st=dlist_next(st)) {
-		if (st->tp==tp && rhnicmp(st->nm,rhn) && st->dlen==dlen &&
-		    (memcmp(skiprhn(st->nm),data, dlen)==0))
-		{
-			return 1;
-		}
-	}
-	/* add_rr will do nothing when udp!=NULL and sz>*udp. */
-	if(!add_rr(ans, rlen, allocsz, rhn, tp, ttl, dlen, data, sect, udp, cb))
-		return 0;
-	/* mark it as added */
-	if (!sva_add(sva,rhn,tp,dlen,data))
-		return 0;
-
-	return 1;
-}
-
-/*
- * Add one or more additionals from an rr bucket.
- */
-static int add_additional_rrs(dns_msg_t **ans, size_t *rlen, size_t *allocsz,
-			      unsigned char *rhn, unsigned tp, time_t ttl,
-			      rr_bucket_t *rrb, int sect, unsigned *udp, dlist *cb, dlist *sva)
-{
-	rr_bucket_t *rr;
-	rr_bucket_t *first=NULL; /* Initialized to inhibit compiler warning */
-	short rnd_recs=global.rnd_recs;
-
-	rr=rrb;
-	if (rnd_recs) rr=first=randrr(rrb);
-
-	while(rr) {
-		if (!add_additional_rr(ans, rlen, allocsz, rhn, tp, ttl, rr->rdlen,rr->data, sect, udp, cb, sva))
-			return 0;
-		rr=rr->next;
-		if (rnd_recs) {
-			if(!rr) rr=rrb; /* wraparound */
-			if(rr==first)	break;
-		}
-	}
-	return 1;
-}
-
-/*
- * The code below actually handles A and AAAA additionals.
- */
-static int add_additional_a(dns_msg_t **ans, size_t *rlen, size_t *allocsz,
-			    unsigned char *rhn, time_t queryts,
-			    unsigned *udp, dlist *cb, dlist *sva)
-{
-	dns_cent_t *ae;
-	int retval = 1;
-
-	if ((ae=lookup_cache(rhn,NULL))) {
-		rr_set_t *rrset; rr_bucket_t *rr;
-		rrset=getrrset_A(ae);
-		if (rrset && (rr=rrset->rrs))
-			if (!add_additional_rrs(ans, rlen, allocsz,
-						rhn, T_A, ans_ttl(rrset,queryts),
-						rr, S_ADDITIONAL, udp, cb, sva))
-				retval = 0;
-
-#if IS_CACHED_AAAA
-		if(retval) {
-			rrset=getrrset_AAAA(ae);
-			if (rrset && (rr=rrset->rrs))
-				if (!add_additional_rrs(ans, rlen, allocsz,
-							rhn, T_AAAA, ans_ttl(rrset,queryts),
-							rr, S_ADDITIONAL, udp, cb, sva))
-					retval = 0;
-		}
-#endif
-		free_cent(ae  DBG1);
-		pdnsd_free(ae);
-	}
-	return retval;
-}
-
-/*
- * Compose an answer message for the decoded query in ql, hdr is the header of the dns request
- * rlen is set to be the answer length.
- * If udp is not NULL, *udp indicates the max length the dns response may have.
- */
-static dns_msg_t *compose_answer(llist *ql, dns_hdr_t *hdr, size_t *rlen, edns_info_t *ednsinfo, unsigned *udp, int *rcodep)
-{
-	unsigned short rcode=RC_OK, aa=1;
-	dlist cb=NULL;
-	dlist sva=NULL;
-	dlist ar=NULL;
-	time_t queryts=time(NULL);
-	dns_queryel_t *qe;
-	dns_msg_t *ans;
-	size_t allocsz= ALLOCINITIALSIZE;
-	dns_cent_t *cached;
-
-	ans=(dns_msg_t *)pdnsd_malloc(allocsz);
-	if (!ans)
-		goto return_ans;
-	ans->hdr.id=hdr->id;
-	ans->hdr.qr=QR_RESP;
-	ans->hdr.opcode=OP_QUERY;
-	ans->hdr.aa=0;
-	ans->hdr.tc=0; /* If tc is needed, it is set when the response is sent in udp_answer_thread. */
-	ans->hdr.rd=hdr->rd;
-	ans->hdr.ra=1;
-	ans->hdr.z=0;
-	ans->hdr.ad=0;
-	ans->hdr.cd=0;
-	ans->hdr.rcode=rcode;
-	ans->hdr.qdcount=0; /* this is first filled in and will be modified */
-	ans->hdr.ancount=0;
-	ans->hdr.nscount=0;
-	ans->hdr.arcount=0;
-
-	*rlen=sizeof(dns_hdr_t);
-	/* first, add the query to the response */
-	for (qe=llist_first(ql); qe; qe=llist_next(qe)) {
-		unsigned int qclen;
-		size_t newsz= dnsmsghdroffset + *rlen + rhnlen(qe->query) + 4;
-		if(newsz > allocsz) {
-			/* Need to allocate more space.
-			   To avoid frequent reallocs, we allocate
-			   a multiple of a certain chunk size. */
-			size_t newallocsz= (newsz+ALLOCCHUNKSIZEMASK)&(~ALLOCCHUNKSIZEMASK);
-			dns_msg_t *newans=(dns_msg_t *)pdnsd_realloc(ans,newallocsz);
-			if (!newans)
-				goto error_ans;
-			ans=newans;
-			allocsz=newallocsz;
-		}
-
-		{
-			unsigned char *p = ((unsigned char *)&ans->hdr) + *rlen;
-			/* the first name occurrence will not be compressed,
-			   but the offset needs to be stored for future compressions */
-			if (!(qclen=compress_name(qe->query,p,*rlen,&cb)))
-				goto error_ans;
-			p += qclen;
-			PUTINT16(qe->qtype,p);
-			PUTINT16(qe->qclass,p);
-		}
-		*rlen += qclen+4;
-		ans->hdr.qdcount=htons(ntohs(ans->hdr.qdcount)+1);
-	}
-
-	/* Barf if we get a query we cannot answer */
-	for (qe=llist_first(ql); qe; qe=llist_next(qe)) {
-		if ((PDNSD_NOT_CACHED_TYPE(qe->qtype) &&
-		     (qe->qtype!=QT_MAILB && qe->qtype!=QT_MAILA && qe->qtype!=QT_ALL)) ||
-		    (qe->qclass!=C_IN && qe->qclass!=QC_ALL))
-		{
-			DEBUG_MSG("Unsupported QTYPE or QCLASS.\n");
-			ans->hdr.rcode=rcode=RC_NOTSUPP;
-			goto cleanup_return;
-		}
-	}
-
-	/* second, the answer section */
-	for (qe=llist_first(ql); qe; qe=llist_next(qe)) {
-		int hops;
-		unsigned char qname[DNSNAMEBUFSIZE];
-
-		rhncpy(qname,qe->query);
-		/* look if we have a cached copy. otherwise, perform a nameserver query. Same with timeout */
-		hops=MAX_HOPS;
-		do {
-			int rc;
-			unsigned char c_soa=cundef;
-			if ((rc=dns_cached_resolve(qname,qe->qtype, &cached, MAX_HOPS,queryts,&c_soa))!=RC_OK) {
-				ans->hdr.rcode=rcode=rc;
-				if(rc==RC_NAMEERR) {
-					if(c_soa!=cundef) {
-						/* Try to add a SOA record to the authority section. */
-						unsigned scnt=rhnsegcnt(qname);
-						if(c_soa<scnt && (cached=lookup_cache(skipsegs(qname,scnt-c_soa),NULL))) {
-							rr_set_t *rrset=getrrset_SOA(cached);
-							if (rrset && !(rrset->flags&CF_NEGATIVE)) {
-								rr_bucket_t *rr;
-								for(rr=rrset->rrs; rr; rr=rr->next) {
-									if (!add_rr(&ans,rlen,&allocsz,cached->qname,T_SOA,ans_ttl(rrset,queryts),
-										    rr->rdlen,rr->data,S_AUTHORITY,udp,&cb))
-										goto error_cached;
-								}
-							}
-							free_cent(cached  DBG1);
-							pdnsd_free(cached);
-						}
-					}
-
-					/* Possibly add an OPT pseudo-RR to the additional section. */
-					if(ednsinfo) {
-						if(!add_opt_pseudo_rr(&ans, rlen, &allocsz, global.udpbufsize, rcode, 0,0))
-							goto error_ans;
-					}
-				}
-				goto cleanup_return;
-			}
-			if(!(cached->flags&DF_LOCAL))
-				aa=0;
-
-			if (!add_to_response(&ans,rlen,&allocsz,qname,qe->qtype,queryts,cached,udp,&cb,&sva,&ar))
-				goto error_cached;
-			if (hdr->rd && qe->qtype!=T_CNAME && qe->qtype!=QT_ALL &&
-			    !(qe->qtype>=T_MIN && qe->qtype<=T_MAX && have_rr(cached,qe->qtype)) &&
-			    follow_cname_chain(cached,qname))
-				/* The rd bit is set and the response does not contain records of the requested type,
-				 * but the response does contain a cname, so repeat the inquiry with the cname.
-				 * add_to_response() has already added the cname to the response.
-				 * Because of follow_cname_chain(), qname now contains the last cname in the chain. */
-				;
-			else {
-				/* maintain a list (ar) for authority records: We will add every name server that was
-				   listed as authoritative in a reply we received (and only those) to this list.
-				   This list will be used to fill the authority and additional sections of our own reply.
-				   We only do this for the last record in a cname chain, to prevent answer bloat. */
-				rr_set_t *rrset;
-				int rretp=T_NS;
-				if((qe->qtype>=T_MIN && qe->qtype<=T_MAX && !have_rr(cached,qe->qtype)) ||
-				   (qe->qtype==QT_MAILB && !have_rr_MB(cached) && !have_rr_MG(cached) && !have_rr_MR(cached)) ||
-				   (qe->qtype==QT_MAILA && !have_rr_MD(cached) && !have_rr_MF(cached)))
-				{
-					/* no record of requested type in the answer section. */
-					rretp=T_SOA;
-				}
-				rrset=getrrset(cached,rretp);
-				if(rrset && (rrset->flags&CF_NEGATIVE))
-					rrset=NULL;
-				if(!rrset) {
-					/* Try to find a name server higher up the hierarchy .
-					 */
-					dns_cent_t *prev=cached;
-					unsigned scnt=rhnsegcnt(prev->qname);
-					unsigned tcnt=(rretp==T_NS?prev->c_ns:prev->c_soa);
-					if((cached=lookup_cache((tcnt!=cundef && tcnt<scnt)?skipsegs(prev->qname,scnt-tcnt):prev->qname,NULL))) {
-						rrset=getrrset(cached,rretp);
-						if(rrset && (rrset->flags&CF_NEGATIVE))
-							rrset=NULL;
-					}
-					if(!rrset && (prev->flags&DF_LOCAL)) {
-						unsigned char *nm=getlocalowner(prev->qname,rretp);
-						if(nm) {
-							if(cached) {
-								free_cent(cached  DBG1);
-								pdnsd_free(cached);
-							}
-							if((cached=lookup_cache(nm,NULL)))
-								rrset=getrrset(cached,rretp);
-						}
-					}
-					free_cent(prev  DBG1);
-					pdnsd_free(prev);
-				}
-				if (rrset) {
-					rr_bucket_t *rr;
-					for (rr=rrset->rrs; rr; rr=rr->next) {
-						if (!add_ar(&ar, rretp, rr->rdlen,rr->data, cached->qname,
-							    ans_ttl(rrset,queryts)))
-							goto error_cached;
-					}
-				}
-				hops=0;  /* this will break the loop */
-			}
-			if(cached) {
-				free_cent(cached  DBG1);
-				pdnsd_free(cached);
-			}
-		} while (--hops>=0);
-	}
-
-	{
-		rr_ext_t *rre;
-		/* Add the authority section */
-		for (rre=dlist_first(ar); rre; rre=dlist_next(rre)) {
-			if (rre->tp == T_NS || rre->tp == T_SOA) {
-				unsigned char *nm = rre->tnm + rre->tsz;
-				if (!add_additional_rr(&ans, rlen, &allocsz,
-						       nm, rre->tp, rre->ttl, rre->tsz, rre->tnm,
-						       S_AUTHORITY, udp, &cb, &sva))
-				{
-					goto error_ans;
-				}
-			}
-		}
-
-		/* Add the additional section, but only if we stay within the UDP buffer limit. */
-		/* If a pseudo RR doesn't fit, nothing else will. */
-		if(!(udp && *rlen+sizeof_opt_pseudo_rr>*udp)) {
-
-			/* Possibly add an OPT pseudo-RR to the additional section. */
-			if(ednsinfo) {
-				if(!add_opt_pseudo_rr(&ans, rlen, &allocsz, global.udpbufsize, rcode, 0,0))
-					goto error_ans;
-			}
-
-			/* now add the name server addresses */
-			for (rre=dlist_first(ar); rre; rre=dlist_next(rre)) {
-				if (rre->tp == T_NS || rre->tp == RRETP_ADD) {
-					if (!add_additional_a(&ans, rlen, &allocsz,
-							      rre->tnm, queryts, udp, &cb, &sva))
-						goto error_ans;
-				}
-			}
-		}
-	}
-	if (aa)
-		ans->hdr.aa=1;
-	goto cleanup_return;
-
-	/* You may not like goto's, but here we avoid lots of code duplication. */
-error_cached:
-	free_cent(cached  DBG1);
-	pdnsd_free(cached);
-error_ans:
-	pdnsd_free(ans);
-	ans=NULL;
-cleanup_return:
-	dlist_free(ar);
-	dlist_free(sva);
-	dlist_free(cb);
-return_ans:
-	if(rcodep) *rcodep=rcode;
-	return ans;
-}
-
-/*
- * Decode the query (the query messgage is in data and rlen bytes long) into a dlist.
- * XXX: data needs to be aligned.
- * The return value can be RC_OK or RC_TRUNC, in which case the (partially) constructed list is
- * returned in qp, or something else (RC_FORMAT or RC_SERVFAIL), in which case no list is returned.
- *
- * *ptrrem  will be assigned the address just after the questions sections in the message, and *lenrem
- * the remaining message length after the questions section. These values are only meaningful if the
- * return value is RC_OK.
- */
-static int decode_query(unsigned char *data, size_t rlen, unsigned char **ptrrem, size_t *lenrem, llist *qp)
-{
-	int i,res=RC_OK;
-	dns_hdr_t *hdr=(dns_hdr_t *)data; /* aligned, so no prob. */
-	unsigned char *ptr=(unsigned char *)(hdr+1);
-	size_t sz= rlen - sizeof(dns_hdr_t);
-	uint16_t qdcount=ntohs(hdr->qdcount);
-
-	llist_init(qp);
-	for (i=0; i<qdcount; ++i) {
-		dns_queryel_t *qe;
-		unsigned int qlen;
-		unsigned char qbuf[DNSNAMEBUFSIZE];
-		res=decompress_name(data,rlen,&ptr,&sz,qbuf,&qlen);
-		if (res==RC_TRUNC)
-			break;
-		if (res!=RC_OK) {
-			llist_free(qp);
-			break;
-		}
-		if (sz<4) {
-			/* truncated in qtype or qclass */
-			DEBUG_MSG("decode_query: query truncated in qtype or qclass.\n");
-			res=RC_TRUNC;
-			break;
-		}
-		if(!llist_grow(qp,sizeof(dns_queryel_t)+qlen)) {
-			res=RC_SERVFAIL;
-			break;
-		}
-		qe=llist_last(qp);
-		GETINT16(qe->qtype,ptr);
-		GETINT16(qe->qclass,ptr);
-		sz-=4;
-		memcpy(qe->query,qbuf,qlen);
-	}
-
-	if(ptrrem) *ptrrem=ptr;
-	if(lenrem) *lenrem=sz;
-	return res;
-}
-
-
-/* Scan the additional section of a query message for an OPT pseudo RR.
-   data and rlen are as in decode_query(). Note in particular that data needs to be aligned!
-   ptr should point the beginning of the additional section, sz should contain the
-   length of this remaining part of the message and numrr the number of resource records in the section.
-   *numopt is incremented with the number of OPT RRs found (should be at most one).
-
-   Note that a return value of RC_OK means the additional section was parsed without errors, not that
-   an OPT pseudo RR was found! Check the value of *numopt for the latter.
-
-   The structure pointed to by ep is filled with the information of the first OPT pseudo RR found,
-   but only if *numopt was set to zero before the call.
-*/
-static int decode_query_additional(unsigned char *data, size_t rlen, unsigned char *ptr, size_t sz, int numrr,
-				   int *numopt, edns_info_t *ep)
-{
-	int i, res;
-
-	for (i=0; i<numrr; ++i) {
-		unsigned char nmbuf[DNSNAMEBUFSIZE];
-		uint16_t type,class;
-		unsigned char *ttlp;
-		uint16_t rdlen;
-		res=decompress_name(data,rlen,&ptr,&sz,nmbuf,NULL);
-		if (res!=RC_OK)
-			return res;
-		if (sz<sizeof_rr_hdr_t) {
-			/* truncated in rr header */
-			DEBUG_MSG("decode_query_additional: additional section truncated in RR header.\n");
-			return RC_TRUNC;
-		}
-		sz -= sizeof_rr_hdr_t;
-		GETINT16(type,ptr);
-		GETINT16(class,ptr);
-		ttlp= ptr;   /* Remember pointer to ttl field. */
-		ptr += 4;    /* Skip ttl field (4 bytes). */
-		GETINT16(rdlen,ptr);
-		if (sz<rdlen) {
-			DEBUG_MSG("decode_query_additional: additional section truncated in RDATA field.\n");
-			return RC_TRUNC;
-		}
-
-		if(type==T_OPT) {
-			/* Found OPT pseudo-RR */
-			if((*numopt)++ == 0) {
-#if DEBUG>0
-				if(nmbuf[0]!=0) {
-					DEBUG_MSG("decode_query_additional: name in OPT record not empty!\n");
-				}
-#endif
-				ep->udpsize= class;
-				ep->rcode= ((uint16_t)ttlp[0]<<4) | ((dns_hdr_t *)data)->rcode;
-				ep->version= ttlp[1];
-				ep->do_flg= (ttlp[2]>>7)&1;
-#if DEBUG>0
-				if(debug_p) {
-					unsigned int Zflags= ((uint16_t)ttlp[2]<<8) | ttlp[3];
-					if(Zflags & 0x7fff) {
-						DEBUG_MSG("decode_query_additional: Z field contains unknown nonzero bits (%04x).\n",
-							  Zflags);
-					}
-					if(rdlen) {
-						DEBUG_MSG("decode_query_additional: RDATA field in OPT record not empty!\n");
-					}
-				}
-#endif
-			}
-			else {
-				DEBUG_MSG("decode_query_additional: ingnoring surplus OPT record.\n");
-			}
-		}
-		else {
-			DEBUG_MSG("decode_query_additional: ignoring record of type %s (%d).\n",
-				  getrrtpname(type), type);
-		}
-
-		/* Skip RDATA field. */
-		sz -= rdlen;
-		ptr += rdlen;
-	}
-
-	return RC_OK;
-}
-
-/* Make a dns error reply message
- * Id is the query id and still in network order.
- * op is the opcode to fill in, rescode - name says it all.
- */
-static void mk_error_reply(unsigned short id, unsigned short opcode,unsigned short rescode,dns_hdr_t *rep)
-{
-	rep->id=id;
-	rep->qr=QR_RESP;
-	rep->opcode=opcode;
-	rep->aa=0;
-	rep->tc=0;
-	rep->rd=0;
-	rep->ra=1;
-	rep->z=0;
-	rep->ad=0;
-	rep->cd=0;
-	rep->rcode=rescode;
-	rep->qdcount=0;
-	rep->ancount=0;
-	rep->nscount=0;
-	rep->arcount=0;
-}
-
-/*
- * Analyze and answer the query in data. The answer is returned. rlen is at call the query length and at
- * return the length of the answer. You have to free the answer after sending it.
- */
-static dns_msg_t *process_query(unsigned char *data, size_t *rlenp, unsigned *udp, int *rcodep)
-{
-	size_t rlen= *rlenp;
-	int res;
-	dns_hdr_t *hdr;
-	llist ql;
-	dns_msg_t *ans;
-	edns_info_t ednsinfo= {0}, *ednsinfop= NULL;
-
-	DEBUG_MSG("Received query (msg len=%u).\n", (unsigned int)rlen);
-	DEBUG_DUMP_DNS_MSG(data, rlen);
-
-	/*
-	 * We will ignore all records that come with a query, except for the actual query records,
-	 * and possible OPT pseudo RRs in the addtional section.
-	 * We will send back the query in the response. We will reject all non-queries, and
-	 * some not supported thingies.
-	 * If anyone notices behaviour that is not in standard conformance, please notify me!
-	 */
-	hdr=(dns_hdr_t *)data;
-	if (rlen<2) {
-		DEBUG_MSG("Message too short.\n");
-		return NULL; /* message too short: no id provided. */
-	}
-	if (rlen<sizeof(dns_hdr_t)) {
-		DEBUG_MSG("Message too short.\n");
-		res=RC_FORMAT;
-		goto error_reply;
-	}
-	if (hdr->qr!=QR_QUERY) {
-		DEBUG_MSG("The QR bit indicates this is a response, not a query.\n");
-		return NULL; /* RFC says: discard */
-	}
-	if (hdr->opcode!=OP_QUERY) {
-		DEBUG_MSG("Not a standard query (opcode=%u).\n",hdr->opcode);
-		res=RC_NOTSUPP;
-		goto error_reply;
-	}
-#if DEBUG>0
-	if(debug_p) {
-		char flgsbuf[DNSFLAGSMAXSTRSIZE];
-		dnsflags2str(hdr, flgsbuf);
-		if(flgsbuf[0]) {
-			DEBUG_MSG("Flags:%s\n", flgsbuf);
-		}
-	}
-#endif
-	if (hdr->z!=0) {
-		DEBUG_MSG("Malformed query (nonzero Z bit).\n");
-		res=RC_FORMAT;
-		goto error_reply;
-	}
-	if (hdr->rcode!=RC_OK) {
-		DEBUG_MSG("Bad rcode(%u).\n",hdr->rcode);
-		return NULL; /* discard (may cause error storms) */
-	}
-
-	if (hdr->ancount) {
-		DEBUG_MSG("Query has a non-empty answer section!\n");
-		res=RC_FORMAT;
-		goto error_reply;
-	}
-
-	if (hdr->nscount) {
-		DEBUG_MSG("Query has a non-empty authority section!\n");
-		res=RC_FORMAT;
-		goto error_reply;
-	}
-
-#if 0
-	/* The following only makes sense if we completely disallow
-	   Extension Mechanisms for DNS (RFC 2671). */
-	if (hdr->arcount) {
-		DEBUG_MSG("Query has a non-empty additional section!\n");
-		res=RC_FORMAT;
-		goto error_reply;
-	}
-#endif
-	{
-		unsigned char *ptr;
-		size_t sz;
-		uint16_t arcount;
-		res=decode_query(data,rlen,&ptr,&sz,&ql);
-		if(res!=RC_OK) {
-			if(res==RC_TRUNC) {
-				if(!hdr->tc || llist_isempty(&ql)) {
-					res=RC_FORMAT;
-					goto free_ql_error_reply;
-				}
-			}
-			else
-				goto error_reply;
-		}
-
-		if ((arcount=ntohs(hdr->arcount))) {
-			int numoptrr= 0;
-			DEBUG_MSG("Query has a non-empty additional section: "
-				  "checking for OPT pseudo-RR.\n");
-			if(res==RC_TRUNC) {
-				DEBUG_MSG("Additional section cannot be read due to truncation!\n");
-				res=RC_FORMAT;
-				goto free_ql_error_reply;
-			}
-			res=decode_query_additional(data,rlen,ptr,sz,arcount, &numoptrr, &ednsinfo);
-			if(!(res==RC_OK || (res==RC_TRUNC && hdr->tc))) {
-				res=RC_FORMAT;
-				goto free_ql_error_reply;
-			}
-			if(numoptrr) {
-#if DEBUG>0
-				if(numoptrr!=1) {
-					DEBUG_MSG("Additional section in query contains %d OPT pseudo-RRs!\n", numoptrr);
-				}
-#endif
-				if(ednsinfo.version!=0) {
-					DEBUG_MSG("Query contains unsupported EDNS version %d!\n", ednsinfo.version);
-					res=RC_BADVERS;
-					goto free_ql_error_reply;
-				}
-				if(ednsinfo.rcode!=0) {
-					DEBUG_MSG("Query contains non-zero EDNS rcode (%d)!\n", ednsinfo.rcode);
-					res=RC_FORMAT;
-					goto free_ql_error_reply;
-				}
-				DEBUG_MSG("Query contains OPT pseudosection: EDNS udp size = %u, flag DO=%u\n",
-					  ednsinfo.udpsize, ednsinfo.do_flg);
-				ednsinfop = &ednsinfo;
-				if(udp && ednsinfo.udpsize>UDP_BUFSIZE) {
-					unsigned udpbufsize = global.udpbufsize;
-					if(udpbufsize > ednsinfo.udpsize)
-						udpbufsize = ednsinfo.udpsize;
-					*udp = udpbufsize;
-				}
-			}
-		}
-	}
-
-#if DEBUG>0
-	if (debug_p) {
-		if(!llist_isempty(&ql)) {
-			dns_queryel_t *qe;
-			DEBUG_MSG("Questions are:\n");
-			for (qe=llist_first(&ql); qe; qe=llist_next(qe)) {
-				DEBUG_RHN_MSG("\tqc=%s (%u), qt=%s (%u), query=\"%s\"\n",
-					      get_cname(qe->qclass),qe->qclass,get_tname(qe->qtype),qe->qtype,RHN2STR(qe->query));
-			}
-		}
-		else {
-			DEBUG_MSG("Query contains no questions.\n");
-		}
-	}
-#endif
-
-	if (llist_isempty(&ql)) {
-		res=RC_FORMAT;
-		goto error_reply;
-	}
-	if (!(ans=compose_answer(&ql, hdr, rlenp, ednsinfop, udp, rcodep))) {
-		/* An out of memory condition or similar could cause NULL output. Send failure notification */
-		res=RC_SERVFAIL;
-		goto free_ql_error_reply;
-	}
-	llist_free(&ql);
-	return ans;
-
- free_ql_error_reply:
-	llist_free(&ql);
- error_reply:
-	*rlenp=sizeof(dns_hdr_t);
-	{
-		size_t allocsz = sizeof(dns_msg_t);
-		if(res&~0xf)
-			allocsz += sizeof_opt_pseudo_rr;
-		ans= (dns_msg_t *)pdnsd_malloc(allocsz);
-		if (ans) {
-			mk_error_reply(hdr->id,rlen>=3?hdr->opcode:OP_QUERY,res,&ans->hdr);
-			if(res&~0xf)
-				add_opt_pseudo_rr(&ans,rlenp,&allocsz,
-						  global.udpbufsize,res,0,0);
-		}
-		else if (++da_mem_errs<=MEM_MAX_ERRS) {
-			log_error("Out of memory in query processing.");
-		}
-	}
-	if(rcodep) *rcodep= res;
-	return ans;
-}
-
-/*
- * Called by *_answer_thread exit handler to clean up process count.
- */
-inline static void decrease_procs()
-{
-
-	pthread_mutex_lock(&proc_lock);
-	procs--;
-	qprocs--;
-	pthread_mutex_unlock(&proc_lock);
-}
-
-static void udp_answer_thread_cleanup(void *data)
-{
-	pdnsd_free(data);
-	decrease_procs();
-}
-
-/*
- * A thread opened to answer a query transmitted via udp. Data is a pointer to the structure udp_buf_t that
- * contains the received data and various other parameters.
- * After the query is answered, the thread terminates
- * XXX: data must point to a correctly aligned buffer
- */
-static void *udp_answer_thread(void *data)
-{
-	struct msghdr msg;
-	struct iovec v;
-	struct cmsghdr *cmsg;
-#if defined(SRC_ADDR_DISC)
-	char ctrl[CMSG_SPACE(sizeof(pkt_info_t))];
-#endif
-	size_t rlen=((udp_buf_t *)data)->len;
-	unsigned udpmaxrespsize = UDP_BUFSIZE;
-	/* XXX: process_query is assigned to this, this mallocs, so this points to aligned memory */
-	dns_msg_t *resp;
-	int rcode;
-	unsigned thrid;
-	pthread_cleanup_push(udp_answer_thread_cleanup, data);
-	THREAD_SIGINIT;
-
-	if (!global.strict_suid) {
-		if (!run_as(global.run_as)) {
-			pdnsd_exit();
-		}
-	}
-
-	for(;;) {
-		pthread_mutex_lock(&proc_lock);
-		if (procs<global.proc_limit)
-			break;
-		pthread_mutex_unlock(&proc_lock);
-		usleep_r(50000);
-	}
-	++procs;
-	thrid= ++thrid_cnt;
-	pthread_mutex_unlock(&proc_lock);
-
-#if DEBUG>0
-	if(debug_p) {
-		int err;
-		if ((err=pthread_setspecific(thrid_key, &thrid)) != 0) {
-			if(++da_misc_errs<=MISC_MAX_ERRS)
-				log_error("pthread_setspecific failed: %s",strerror(err));
-			/* pdnsd_exit(); */
-		}
-	}
-#endif
-
-	if (!(resp=process_query(((udp_buf_t *)data)->buf,&rlen,&udpmaxrespsize,&rcode))) {
-		/*
-		 * A return value of NULL is a fatal error that prohibits even the sending of an error message.
-		 * logging is already done. Just exit the thread now.
-		 */
-		pthread_exit(NULL); /* data freed by cleanup handler */
-	}
-	pthread_cleanup_push(free, resp);
-	if (rlen>udpmaxrespsize) {
-		rlen=udpmaxrespsize;
-		resp->hdr.tc=1; /*set truncated bit*/
-	}
-	DEBUG_MSG("Outbound msg len %li, tc=%u, rc=\"%s\"\n",(long)rlen,resp->hdr.tc,get_ename(rcode));
-
-	v.iov_base=(char *)&resp->hdr;
-	v.iov_len=rlen;
-	msg.msg_iov=&v;
-	msg.msg_iovlen=1;
-#if (TARGET!=TARGET_CYGWIN)
-#if defined(SRC_ADDR_DISC)
-	msg.msg_control=ctrl;
-	msg.msg_controllen=sizeof(ctrl);
-#else
-	msg.msg_control=NULL;
-	msg.msg_controllen=0;
-#endif
-	msg.msg_flags=0;  /* to avoid warning message by Valgrind */
-#endif
-
-#ifdef ENABLE_IPV4
-	if (run_ipv4) {
-
-		msg.msg_name=&((udp_buf_t *)data)->addr.sin4;
-		msg.msg_namelen=sizeof(struct sockaddr_in);
-# if defined(SRC_ADDR_DISC)
-#  if (TARGET==TARGET_LINUX)
-		((udp_buf_t *)data)->pi.pi4.ipi_spec_dst=((udp_buf_t *)data)->pi.pi4.ipi_addr;
-		cmsg=CMSG_FIRSTHDR(&msg);
-		cmsg->cmsg_len=CMSG_LEN(sizeof(struct in_pktinfo));
-		cmsg->cmsg_level=SOL_IP;
-		cmsg->cmsg_type=IP_PKTINFO;
-		memcpy(CMSG_DATA(cmsg),&((udp_buf_t *)data)->pi.pi4,sizeof(struct in_pktinfo));
-		msg.msg_controllen=CMSG_SPACE(sizeof(struct in_pktinfo));
-#  else
-		cmsg=CMSG_FIRSTHDR(&msg);
-		cmsg->cmsg_len=CMSG_LEN(sizeof(struct in_addr));
-		cmsg->cmsg_level=IPPROTO_IP;
-		cmsg->cmsg_type=IP_RECVDSTADDR;
-		memcpy(CMSG_DATA(cmsg),&((udp_buf_t *)data)->pi.ai4,sizeof(struct in_addr));
-		msg.msg_controllen=CMSG_SPACE(sizeof(struct in_addr));
-#  endif
-# endif
-# if DEBUG>0
-		{
-			char buf[ADDRSTR_MAXLEN];
-
-			DEBUG_MSG("Answering to: %s", inet_ntop(AF_INET,&((udp_buf_t *)data)->addr.sin4.sin_addr,buf,ADDRSTR_MAXLEN));
-#  if defined(SRC_ADDR_DISC)
-#   if (TARGET==TARGET_LINUX)
-			DEBUG_MSGC(", source address: %s\n", inet_ntop(AF_INET,&((udp_buf_t *)data)->pi.pi4.ipi_spec_dst,buf,ADDRSTR_MAXLEN));
-#   else
-			DEBUG_MSGC(", source address: %s\n", inet_ntop(AF_INET,&((udp_buf_t *)data)->pi.ai4,buf,ADDRSTR_MAXLEN));
-#   endif
-#  else
-			DEBUG_MSGC("\n");
-#  endif
-		}
-# endif /* DEBUG */
-	}
-#endif
-#ifdef ENABLE_IPV6
-	ELSE_IPV6 {
-
-		msg.msg_name=&((udp_buf_t *)data)->addr.sin6;
-		msg.msg_namelen=sizeof(struct sockaddr_in6);
-# if defined(SRC_ADDR_DISC)
-		cmsg=CMSG_FIRSTHDR(&msg);
-		cmsg->cmsg_len=CMSG_LEN(sizeof(struct in6_pktinfo));
-		cmsg->cmsg_level=SOL_IPV6;
-		cmsg->cmsg_type=IPV6_PKTINFO;
-		memcpy(CMSG_DATA(cmsg),&((udp_buf_t *)data)->pi.pi6,sizeof(struct in6_pktinfo));
-		msg.msg_controllen=CMSG_SPACE(sizeof(struct in6_pktinfo));
-# endif
-# if DEBUG>0
-		{
-			char buf[ADDRSTR_MAXLEN];
-
-			DEBUG_MSG("Answering to: %s", inet_ntop(AF_INET6,&((udp_buf_t *)data)->addr.sin6.sin6_addr,buf,ADDRSTR_MAXLEN));
-#  if defined(SRC_ADDR_DISC)
-			DEBUG_MSGC(", source address: %s\n", inet_ntop(AF_INET6,&((udp_buf_t *)data)->pi.pi6.ipi6_addr,buf,ADDRSTR_MAXLEN));
-#  else
-			DEBUG_MSGC("\n");
-#  endif
-		}
-# endif /* DEBUG */
-	}
-#endif
-
-	/* Lock the socket, and clear the error flag before dropping the lock */
-#ifdef SOCKET_LOCKING
-	pthread_mutex_lock(&s_lock);
-#endif
-	if (sendmsg(((udp_buf_t *)data)->sock,&msg,0)<0) {
-#ifdef SOCKET_LOCKING
-		pthread_mutex_unlock(&s_lock);
-#endif
-		if (++da_udp_errs<=UDP_MAX_ERRS) {
-			log_error("Error in udp send: %s",strerror(errno));
-		}
-	} else {
-		int tmp;
-		socklen_t sl=sizeof(tmp);
-		getsockopt(((udp_buf_t *)data)->sock, SOL_SOCKET, SO_ERROR, &tmp, &sl);
-#ifdef SOCKET_LOCKING
-		pthread_mutex_unlock(&s_lock);
-#endif
-	}
-
-	pthread_cleanup_pop(1);  /* free(resp) */
-	pthread_cleanup_pop(1);  /* free(data) */
-	return NULL;
-}
-
-int init_udp_socket()
-{
-	int sock;
-	int so=1;
-	union {
-#ifdef ENABLE_IPV4
-		struct sockaddr_in sin4;
-#endif
-#ifdef ENABLE_IPV6
-		struct sockaddr_in6 sin6;
-#endif
-	} sin;
-	socklen_t sinl;
-
-#ifdef ENABLE_IPV4
-	if (run_ipv4) {
-		if ((sock=socket(PF_INET,SOCK_DGRAM,IPPROTO_UDP))==-1) {
-			log_error("Could not open udp socket: %s",strerror(errno));
-			return -1;
-		}
-		memset(&sin.sin4,0,sizeof(struct sockaddr_in));
-		sin.sin4.sin_family=AF_INET;
-		sin.sin4.sin_port=htons(global.port);
-		sin.sin4.sin_addr=global.a.ipv4;
-		SET_SOCKA_LEN4(sin.sin4);
-		sinl=sizeof(struct sockaddr_in);
-	}
-#endif
-#ifdef ENABLE_IPV6
-	ELSE_IPV6 {
-		if ((sock=socket(PF_INET6,SOCK_DGRAM,IPPROTO_UDP))==-1) {
-			log_error("Could not open udp socket: %s",strerror(errno));
-			return -1;
-		}
-		memset(&sin.sin6,0,sizeof(struct sockaddr_in6));
-		sin.sin6.sin6_family=AF_INET6;
-		sin.sin6.sin6_port=htons(global.port);
-		sin.sin6.sin6_flowinfo=IPV6_FLOWINFO;
-		sin.sin6.sin6_addr=global.a.ipv6;
-		SET_SOCKA_LEN6(sin.sin6);
-		sinl=sizeof(struct sockaddr_in6);
-	}
-#endif
-
-#ifdef SRC_ADDR_DISC
-# if (TARGET!=TARGET_LINUX)
-	if (run_ipv4) {
-# endif
-		/* The following must be set on any case because it also applies for IPv4 packets sent to
-		 * ipv6 addresses. */
-# if (TARGET==TARGET_LINUX )
-		if (setsockopt(sock,SOL_IP,IP_PKTINFO,&so,sizeof(so))!=0) {
-# else
-		if (setsockopt(sock,IPPROTO_IP,IP_RECVDSTADDR,&so,sizeof(so))!=0) {
-# endif
-			log_error("Could not set options on udp socket: %s",strerror(errno));
-			close(sock);
-			return -1;
-		}
-# if (TARGET!=TARGET_LINUX)
-	}
-# endif
-
-# ifdef ENABLE_IPV6
-	if (!run_ipv4) {
-		if (setsockopt(sock,SOL_IPV6,IPV6_RECVPKTINFO,&so,sizeof(so))!=0) {
-			log_error("Could not set options on udp socket: %s",strerror(errno));
-			close(sock);
-			return -1;
-		}
-	}
-# endif
-#endif
-	if (bind(sock,(struct sockaddr *)&sin,sinl)!=0) {
-		log_error("Could not bind to udp socket: %s",strerror(errno));
-		close(sock);
-		return -1;
-	}
-	return sock;
-}
-
-/*
- * Listen on the specified port for udp packets and answer them (each in a new thread to be nonblocking)
- * This was changed to support sending UDP packets with exactly the same source address as they were coming
- * to us, as required by rfc2181. Although this is a sensible requirement, it is slightly more difficult
- * and may introduce portability issues.
- */
-void *udp_server_thread(void *dummy)
-{
-	int sock;
-	ssize_t qlen;
-	pthread_t pt;
-	udp_buf_t *buf;
-	struct msghdr msg;
-	struct iovec v;
-	struct cmsghdr *cmsg;
-	char ctrl[512];
-#if defined(ENABLE_IPV6) && (TARGET==TARGET_LINUX)
-	struct in_pktinfo sip;
-#endif
-	/* (void)dummy; */ /* To inhibit "unused variable" warning */
-
-	THREAD_SIGINIT;
-
-
-	if (!global.strict_suid) {
-		if (!run_as(global.run_as)) {
-			pdnsd_exit();
-		}
-	}
-
-	sock=udp_socket;
-
-	while (1) {
-		int udpbufsize= global.udpbufsize;
-		if (!(buf=(udp_buf_t *)pdnsd_calloc(1,sizeof(udp_buf_t)+udpbufsize))) {
-			if (++da_mem_errs<=MEM_MAX_ERRS) {
-				log_error("Out of memory in request handling.");
-			}
-			break;
-		}
-
-		buf->sock=sock;
-
-		v.iov_base=(char *)buf->buf;
-		v.iov_len=udpbufsize;
-		msg.msg_iov=&v;
-		msg.msg_iovlen=1;
-#if (TARGET!=TARGET_CYGWIN)
-		msg.msg_control=ctrl;
-		msg.msg_controllen=sizeof(ctrl);
-#endif
-
-#if defined(SRC_ADDR_DISC)
-# ifdef ENABLE_IPV4
-		if (run_ipv4) {
-			msg.msg_name=&buf->addr.sin4;
-			msg.msg_namelen=sizeof(struct sockaddr_in);
-			if ((qlen=recvmsg(sock,&msg,0))>=0) {
-				cmsg=CMSG_FIRSTHDR(&msg);
-				while(cmsg) {
-#  if (TARGET==TARGET_LINUX)
-					if (cmsg->cmsg_level==SOL_IP && cmsg->cmsg_type==IP_PKTINFO) {
-						memcpy(&buf->pi.pi4,CMSG_DATA(cmsg),sizeof(struct in_pktinfo));
-						break;
-					}
-#  else
-					if (cmsg->cmsg_level==IPPROTO_IP && cmsg->cmsg_type==IP_RECVDSTADDR) {
-						memcpy(&buf->pi.ai4,CMSG_DATA(cmsg),sizeof(buf->pi.ai4));
-						break;
-					}
-#  endif
-					cmsg=CMSG_NXTHDR(&msg,cmsg);
-				}
-				if (!cmsg) {
-					if (++da_udp_errs<=UDP_MAX_ERRS) {
-						log_error("Could not discover udp destination address");
-					}
-					goto free_buf_continue;
-				}
-			} else if (errno!=EINTR) {
-				if (++da_udp_errs<=UDP_MAX_ERRS) {
-					log_error("error in UDP recv: %s", strerror(errno));
-				}
-			}
-		}
-# endif
-# ifdef ENABLE_IPV6
-		ELSE_IPV6 {
-			msg.msg_name=&buf->addr.sin6;
-			msg.msg_namelen=sizeof(struct sockaddr_in6);
-			if ((qlen=recvmsg(sock,&msg,0))>=0) {
-				cmsg=CMSG_FIRSTHDR(&msg);
-				while(cmsg) {
-					if (cmsg->cmsg_level==SOL_IPV6 && cmsg->cmsg_type==IPV6_PKTINFO) {
-						memcpy(&buf->pi.pi6,CMSG_DATA(cmsg),sizeof(struct in6_pktinfo));
-						break;
-					}
-					cmsg=CMSG_NXTHDR(&msg,cmsg);
-				}
-				if (!cmsg) {
-				       /* We might have an IPv4 Packet incoming on our IPv6 port, so we also have to
-				        * check for IPv4 sender addresses */
-					cmsg=CMSG_FIRSTHDR(&msg);
-					while(cmsg) {
-#  if (TARGET==TARGET_LINUX)
-						if (cmsg->cmsg_level==SOL_IP && cmsg->cmsg_type==IP_PKTINFO) {
-							memcpy(&sip,CMSG_DATA(cmsg),sizeof(sip));
-							IPV6_MAPIPV4(&sip.ipi_addr,&buf->pi.pi6.ipi6_addr);
-							buf->pi.pi6.ipi6_ifindex=sip.ipi_ifindex;
-							break;
-						}
-						/* FIXME: What about BSD? probably ok, but... */
-#  endif
-						cmsg=CMSG_NXTHDR(&msg,cmsg);
-					}
-					if (!cmsg) {
-						if (++da_udp_errs<=UDP_MAX_ERRS) {
-							log_error("Could not discover udp destination address");
-						}
-						goto free_buf_continue;
-					}
-				}
-			} else if (errno!=EINTR) {
-				if (++da_udp_errs<=UDP_MAX_ERRS) {
-					log_error("error in UDP recv: %s", strerror(errno));
-				}
-			}
-		}
-# endif
-#else /* !SRC_ADDR_DISC */
-# ifdef ENABLE_IPV4
-		if (run_ipv4) {
-			msg.msg_name=&buf->addr.sin4;
-			msg.msg_namelen=sizeof(struct sockaddr_in);
-		}
-# endif
-# ifdef ENABLE_IPV6
-		ELSE_IPV6 {
-			msg.msg_name=&buf->addr.sin6;
-			msg.msg_namelen=sizeof(struct sockaddr_in6);
-		}
-# endif
-		qlen=recvmsg(sock,&msg,0);
-		if (qlen<0 && errno!=EINTR) {
-			if (++da_udp_errs<=UDP_MAX_ERRS) {
-				log_error("error in UDP recv: %s", strerror(errno));
-			}
-		}
-#endif /* SRC_ADDR_DISC */
-
-		if (qlen>=0) {
-			pthread_mutex_lock(&proc_lock);
-			if (qprocs<global.proc_limit+global.procq_limit) {
-				int err;
-				++qprocs; ++spawned;
-				pthread_mutex_unlock(&proc_lock);
-				buf->len=qlen;
-				err=pthread_create(&pt,&attr_detached,udp_answer_thread,(void *)buf);
-				if(err==0)
-					continue;
-				if(++da_thrd_errs<=THRD_MAX_ERRS)
-					log_warn("pthread_create failed: %s",strerror(err));
-				/* If thread creation failed, free resources associated with it. */
-				pthread_mutex_lock(&proc_lock);
-				--qprocs; --spawned;
-			}
-			++dropped;
-			pthread_mutex_unlock(&proc_lock);
-		}
-	free_buf_continue:
-		pdnsd_free(buf);
-		usleep_r(50000);
-	}
-
-	udp_socket=-1;
-	close(sock);
-	udps_thrid=main_thrid;
-	if (tcp_socket==-1)
-	  pdnsd_exit();
-	return NULL;
-}
-
-#ifndef NO_TCP_SERVER
-
-static void tcp_answer_thread_cleanup(void *csock)
-{
-	close(*((int *)csock));
-	pdnsd_free(csock);
-	decrease_procs();
-}
-
-/*
- * Process a dns query via tcp. The argument is a pointer to the socket.
- */
-static void *tcp_answer_thread(void *csock)
-{
-	/* XXX: This should be OK, the original must be (and is) aligned */
-	int sock=*((int *)csock);
-	unsigned thrid;
-
-	pthread_cleanup_push(tcp_answer_thread_cleanup, csock);
-	THREAD_SIGINIT;
-
-	if (!global.strict_suid) {
-		if (!run_as(global.run_as)) {
-			pdnsd_exit();
-		}
-	}
-
-	for(;;) {
-		pthread_mutex_lock(&proc_lock);
-		if (procs<global.proc_limit)
-			break;
-		pthread_mutex_unlock(&proc_lock);
-		usleep_r(50000);
-	}
-	++procs;
-	thrid= ++thrid_cnt;
-	pthread_mutex_unlock(&proc_lock);
-
-#if DEBUG>0
-	if(debug_p) {
-		int err;
-		if ((err=pthread_setspecific(thrid_key, &thrid)) != 0) {
-			if(++da_misc_errs<=MISC_MAX_ERRS)
-				log_error("pthread_setspecific failed: %s",strerror(err));
-			/* pdnsd_exit(); */
-		}
-	}
-#endif
-#ifdef TCP_SUBSEQ
-
-	/* rfc1035 says we should process multiple queries in succession, so we are looping until
-	 * the socket is closed by the other side or by tcp timeout.
-	 * This in fact makes DoSing easier. If that is your concern, you should disable pdnsd's
-	 * TCP server.*/
-	for(;;)
-#endif
-	{
-		int rlen,olen;
-		size_t nlen;
-		unsigned char *buf;
-		dns_msg_t *resp;
-
-#ifdef NO_POLL
-		fd_set fds;
-		struct timeval tv;
-		FD_ZERO(&fds);
-		PDNSD_ASSERT(sock<FD_SETSIZE,"socket file descriptor exceeds FD_SETSIZE.");
-		FD_SET(sock, &fds);
-		tv.tv_usec=0;
-		tv.tv_sec=global.tcp_qtimeout;
-		if (select(sock+1,&fds,NULL,NULL,&tv)<=0)
-			pthread_exit(NULL); /* socket is closed by cleanup handler */
-#else
-		struct pollfd pfd;
-		pfd.fd=sock;
-		pfd.events=POLLIN;
-		if (poll(&pfd,1,global.tcp_qtimeout*1000)<=0)
-			pthread_exit(NULL); /* socket is closed by cleanup handler */
-#endif
-		{
-			ssize_t err;
-			uint16_t rlen_net;
-			if ((err=read(sock,&rlen_net,sizeof(rlen_net)))!=sizeof(rlen_net)) {
-				DEBUG_MSG("Error while reading from TCP client: %s\n",err==-1?strerror(errno):"incomplete data");
-				/*
-				 * If the socket timed or was closed before we even received the
-				 * query length, we cannot return an error. So exit silently.
-				 */
-				pthread_exit(NULL); /* socket is closed by cleanup handler */
-			}
-			rlen=ntohs(rlen_net);
-		}
-		if (rlen == 0) {
-			log_error("TCP zero size query received.\n");
-			pthread_exit(NULL);
-		}
-		buf=(unsigned char *)pdnsd_malloc(rlen);
-		if (!buf) {
-			if (++da_mem_errs<=MEM_MAX_ERRS) {
-				log_error("Out of memory in request handling.");
-			}
-			pthread_exit(NULL); /* socket is closed by cleanup handler */
-		}
-		pthread_cleanup_push(free, buf);
-
-		olen=0;
-		while(olen<rlen) {
-			int rv;
-#ifdef NO_POLL
-			FD_ZERO(&fds);
-			FD_SET(sock, &fds);
-			tv.tv_usec=0;
-			tv.tv_sec=global.tcp_qtimeout;
-			if (select(sock+1,&fds,NULL,NULL,&tv)<=0)
-				pthread_exit(NULL);  /* buf freed and socket closed by cleanup handlers */
-#else
-			pfd.fd=sock;
-			pfd.events=POLLIN;
-			if (poll(&pfd,1,global.tcp_qtimeout*1000)<=0)
-				pthread_exit(NULL);  /* buf freed and socket closed by cleanup handlers */
-#endif
-			rv=read(sock,buf+olen,rlen-olen);
-			if (rv<=0) {
-				DEBUG_MSG("Error while reading from TCP client: %s\n",rv==-1?strerror(errno):"incomplete data");
-				/*
-				 * If the promised length was not sent, we should return an error message,
-				 * but if read fails that way, it is unlikely that it will arrive. Nevertheless...
-				 */
-				if (olen>=2) { /* We need the id to send a valid reply. */
-					dns_msg_t err;
-					mk_error_reply(((dns_hdr_t*)buf)->id,
-						       olen>=3?((dns_hdr_t*)buf)->opcode:OP_QUERY,
-						       RC_FORMAT,
-						       &err.hdr);
-					err.len=htons(sizeof(dns_hdr_t));
-					write_all(sock,&err,sizeof(err)); /* error anyway. */
-				}
-				pthread_exit(NULL); /* buf freed and socket closed by cleanup handlers */
-			}
-			olen += rv;
-		}
-		nlen=rlen;
-		if (!(resp=process_query(buf,&nlen,NULL,NULL))) {
-			/*
-			 * A return value of NULL is a fatal error that prohibits even the sending of an error message.
-			 * logging is already done. Just exit the thread now.
-			 */
-			pthread_exit(NULL);
-		}
-		pthread_cleanup_pop(1);  /* free(buf) */
-		pthread_cleanup_push(free,resp);
-		{
-			int err; size_t rsize;
-			resp->len=htons(nlen);
-			rsize=dnsmsghdroffset+nlen;
-			if ((err=write_all(sock,resp,rsize))!=rsize) {
-				DEBUG_MSG("Error while writing to TCP client: %s\n",err==-1?strerror(errno):"unknown error");
-				pthread_exit(NULL); /* resp is freed and socket is closed by cleanup handlers */
-			}
-		}
-		pthread_cleanup_pop(1);  /* free(resp) */
-	}
-
-	/* socket is closed by cleanup handler */
-	pthread_cleanup_pop(1);
-	return NULL;
-}
-
-int init_tcp_socket()
-{
-	int sock;
-	union {
-#ifdef ENABLE_IPV4
-		struct sockaddr_in sin4;
-#endif
-#ifdef ENABLE_IPV6
-		struct sockaddr_in6 sin6;
-#endif
-	} sin;
-	socklen_t sinl;
-
-#ifdef ENABLE_IPV4
-	if (run_ipv4) {
-		if ((sock=socket(PF_INET,SOCK_STREAM,IPPROTO_TCP))==-1) {
-			log_error("Could not open tcp socket: %s",strerror(errno));
-			return -1;
-		}
-		memset(&sin.sin4,0,sizeof(struct sockaddr_in));
-		sin.sin4.sin_family=AF_INET;
-		sin.sin4.sin_port=htons(global.port);
-		sin.sin4.sin_addr=global.a.ipv4;
-		SET_SOCKA_LEN4(sin.sin4);
-		sinl=sizeof(struct sockaddr_in);
-	}
-#endif
-#ifdef ENABLE_IPV6
-	ELSE_IPV6 {
-		if ((sock=socket(PF_INET6,SOCK_STREAM,IPPROTO_TCP))==-1) {
-			log_error("Could not open tcp socket: %s",strerror(errno));
-			return -1;
-		}
-		memset(&sin.sin6,0,sizeof(struct sockaddr_in6));
-		sin.sin6.sin6_family=AF_INET6;
-		sin.sin6.sin6_port=htons(global.port);
-		sin.sin6.sin6_flowinfo=IPV6_FLOWINFO;
-		sin.sin6.sin6_addr=global.a.ipv6;
-		SET_SOCKA_LEN6(sin.sin6);
-		sinl=sizeof(struct sockaddr_in6);
-	}
-#endif
-	{
-		int so=1;
-		/* The SO_REUSEADDR socket option tells the kernel that even if this port
-		   is busy (in the TIME_WAIT state), go ahead and reuse it anyway. If it
-		   is busy, but with another state, we should get an address already in
-		   use error. It is useful if pdnsd is shut down, and then restarted right
-		   away while sockets are still active on its port. There is a slight risk
-		   though. If unexpected data comes in, it may confuse pdnsd, but while
-		   this is possible, it is not likely.
-		*/
-		if(setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,&so,sizeof(so)))
-			log_warn("Could not set options on tcp socket: %s",strerror(errno));
-	}
-	if (bind(sock,(struct sockaddr *)&sin,sinl)) {
-		log_error("Could not bind tcp socket: %s",strerror(errno));
-		close(sock);
-		return -1;
-	}
-	return sock;
-}
-
-/*
- * Listen on the specified port for tcp connects and answer them (each in a new thread to be nonblocking)
- */
-void *tcp_server_thread(void *p)
-{
-	int sock;
-	pthread_t pt;
-	int *csock;
-
-	/* (void)p; */  /* To inhibit "unused variable" warning */
-
-	THREAD_SIGINIT;
-
-	if (!global.strict_suid) {
-		if (!run_as(global.run_as)) {
-			pdnsd_exit();
-		}
-	}
-
-	sock=tcp_socket;
-
-	if (listen(sock,5)) {
-		if (++da_tcp_errs<=TCP_MAX_ERRS) {
-			log_error("Could not listen on tcp socket: %s",strerror(errno));
-		}
-		goto close_sock_return;
-	}
-
-	while (1) {
-		if (!(csock=(int *)pdnsd_malloc(sizeof(int)))) {
-			if (++da_mem_errs<=MEM_MAX_ERRS) {
-				log_error("Out of memory in request handling.");
-			}
-			break;
-		}
-		if ((*csock=accept(sock,NULL,0))==-1) {
-			if (errno!=EINTR && ++da_tcp_errs<=TCP_MAX_ERRS) {
-				log_error("tcp accept failed: %s",strerror(errno));
-			}
-		} else {
-			/*
-			 * With creating a new thread, we follow recommendations
-			 * in rfc1035 not to block
-			 */
-			pthread_mutex_lock(&proc_lock);
-			if (qprocs<global.proc_limit+global.procq_limit) {
-				int err;
-				++qprocs; ++spawned;
-				pthread_mutex_unlock(&proc_lock);
-				err=pthread_create(&pt,&attr_detached,tcp_answer_thread,(void *)csock);
-				if(err==0)
-					continue;
-				if(++da_thrd_errs<=THRD_MAX_ERRS)
-					log_warn("pthread_create failed: %s",strerror(err));
-				/* If thread creation failed, free resources associated with it. */
-				pthread_mutex_lock(&proc_lock);
-				--qprocs; --spawned;
-			}
-			++dropped;
-			pthread_mutex_unlock(&proc_lock);
-			close(*csock);
-		}
-		pdnsd_free(csock);
-		usleep_r(50000);
-	}
- close_sock_return:
-	tcp_socket=-1;
-	close(sock);
-	tcps_thrid=main_thrid;
-	if (udp_socket==-1)
-		pdnsd_exit();
-	return NULL;
-}
-#endif
-
-/*
- * Starts the tcp server thread and the udp server thread. Both threads
- * are not terminated, so only a signal can interrupt the server.
- */
-void start_dns_servers()
-{
-
-#ifndef NO_TCP_SERVER
-	if (tcp_socket!=-1) {
-		pthread_t tcps;
-
-		if (pthread_create(&tcps,&attr_detached,tcp_server_thread,NULL)) {
-			log_error("Could not create TCP server thread. Exiting.");
-			pdnsd_exit();
-		} else {
-			tcps_thrid=tcps;
-			log_info(2,"TCP server thread started.");
-		}
-	}
-#endif
-
-	if (udp_socket!=-1) {
-		pthread_t udps;
-
-		if (pthread_create(&udps,&attr_detached,udp_server_thread,NULL)) {
-			log_error("Could not create UDP server thread. Exiting.");
-			pdnsd_exit();
-		} else {
-			udps_thrid=udps;
-			log_info(2,"UDP server thread started.");
-		}
-	}
-}
-
-
-/* Report the thread status to the file descriptor f, for the status fifo (see status.c) */
-int report_thread_stat(int f)
-{
-	unsigned long nspawned,ndropped;
-	int nactive,ncurrent,nqueued;
-
-	/* The thread counters are volatile, so we will make copies
-	   under locked conditions to make sure we get consistent data.
-	*/
-	pthread_mutex_lock(&proc_lock);
-	nspawned=spawned; ndropped=dropped;
-	nactive=procs; ncurrent=qprocs;
-	nqueued=ncurrent-nactive;
-	pthread_mutex_unlock(&proc_lock);
-
-	fsprintf_or_return(f,"\nThread status:\n==============\n");
-	if(!pthread_equal(servstat_thrid,main_thrid))
-		fsprintf_or_return(f,"server status thread is running.\n");
-	if(!pthread_equal(statsock_thrid,main_thrid))
-		fsprintf_or_return(f,"pdnsd control thread is running.\n");
-	if(!pthread_equal(tcps_thrid,main_thrid))
-		fsprintf_or_return(f,"tcp server thread is running.\n");
-	if(!pthread_equal(udps_thrid,main_thrid))
-		fsprintf_or_return(f,"udp server thread is running.\n");
-	fsprintf_or_return(f,"%lu query threads spawned in total (%lu queries dropped).\n",
-			   nspawned,ndropped);
-	fsprintf_or_return(f,"%i running query threads (%i active, %i queued).\n",
-			   ncurrent,nactive,nqueued);
-	return 0;
-}
-
diff --git a/app/src/main/jni/pdnsd/src/dns_answer.h b/app/src/main/jni/pdnsd/src/dns_answer.h
deleted file mode 100644
index 9d67b5b..0000000
--- a/app/src/main/jni/pdnsd/src/dns_answer.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/* dns_answer.h - Receive and process icoming dns queries.
-
-   Copyright (C) 2000 Thomas Moestl
-   Copyright (C) 2005 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef DNS_ANSWER_H
-#define DNS_ANSWER_H
-
-#include <config.h>
-
-/* --- from main.c */
-extern pthread_t main_thrid,servstat_thrid,statsock_thrid,tcps_thrid,udps_thrid;
-extern volatile int tcp_socket;
-extern volatile int udp_socket;
-/* --- */
-
-int init_udp_socket(void);
-int init_tcp_socket(void);
-void start_dns_servers(void);
-int report_thread_stat(int f);
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/dns_query.c b/app/src/main/jni/pdnsd/src/dns_query.c
deleted file mode 100644
index 0b6c9c0..0000000
--- a/app/src/main/jni/pdnsd/src/dns_query.c
+++ /dev/null
@@ -1,3798 +0,0 @@
-/* dns_query.c - Execute outgoing dns queries and write entries to cache
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <sys/types.h>
-#ifdef HAVE_SYS_POLL_H
-#include <sys/poll.h>
-#endif
-#include <stdlib.h>
-#include <netdb.h>
-#include <errno.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include "list.h"
-#include "consts.h"
-#include "ipvers.h"
-#include "dns_query.h"
-#include "cache.h"
-#include "dns.h"
-#include "conff.h"
-#include "servers.h"
-#include "helpers.h"
-#include "netdev.h"
-#include "error.h"
-#include "debug.h"
-
-
-#if defined(NO_TCP_QUERIES) && M_PRESET!=UDP_ONLY
-# error "You may not define NO_TCP_QUERIES when M_PRESET is not set to UDP_ONLY"
-#endif
-#if defined(NO_UDP_QUERIES) && M_PRESET!=TCP_ONLY
-# error "You may not define NO_UDP_QUERIES when M_PRESET is not set to TCP_ONLY"
-#endif
-
-/* data type to hold lists of IP addresses (both v4 and v6)
-   The allocated size should be:
-     sizeof(rejectlist_t) + na4*sizeof(addr4maskpair_t) + na6*sizeof(addr6maskpair_t)
-*/
-typedef struct rejectlist_s {
-	struct rejectlist_s *next;
-	short               policy;
-	short               inherit;
-	int                 na4;
-#if ALLOW_LOCAL_AAAA
-	int                 na6;
-	addr6maskpair_t     rdata[0];  /* dummy array for alignment */
-#else
-	addr4maskpair_t     rdata[0];
-#endif
-} rejectlist_t;
-
-/* --- structures and state constants for parallel query */
-typedef struct {
-	union {
-#ifdef ENABLE_IPV4
-		struct sockaddr_in  sin4;
-#endif
-#ifdef ENABLE_IPV6
-		struct sockaddr_in6 sin6;
-#endif
-	}                   a;
-#ifdef ENABLE_IPV6
-	struct in_addr      a4fallback;
-#endif
-	time_t              timeout;
-	unsigned short      flags;
-	short               state;
-	short               qm;
-	char                nocache;
-        char                auth_serv;
-	char                lean_query;
-	char                edns_query;
-	char                needs_testing;
-	char                trusted;
-	char                aa;
-	char                tc;
-	char                ra;
-	char                failed;
-	const unsigned char *nsdomain;
-	rejectlist_t        *rejectlist;
-	/* internal state for p_exec_query */
-	int                 sock;
-#if 0
-	dns_cent_t          nent;
-	dns_cent_t          servent;
-#endif
-	unsigned short      transl;
-	unsigned short      recvl;
-#ifndef NO_TCP_QUERIES
-	int                 iolen;  /* number of bytes written or read up to now */
-#endif
-	dns_msg_t           *msg;
-	dns_hdr_t           *recvbuf;
-	unsigned short      myrid;
-	int                 s_errno;
-} query_stat_t;
-typedef DYNAMIC_ARRAY(query_stat_t) *query_stat_array;
-
-/* Some macros for handling data in reject lists
-   Perhaps we should use inline functions instead of macros.
-*/
-#define have_rejectlist(st) ((st)->rejectlist!=NULL)
-#define inherit_rejectlist(st) ((st)->rejectlist && (st)->rejectlist->inherit)
-#define reject_policy(st)   ((st)->rejectlist->policy)
-#define nreject_a4(st)      ((st)->rejectlist->na4)
-#if ALLOW_LOCAL_AAAA
-#define nreject_a6(st)      ((st)->rejectlist->na6)
-#define rejectlist_a6(st)   ((addr6maskpair_t *)(st)->rejectlist->rdata)
-#define rejectlist_a4(st)   ((addr4maskpair_t *)(rejectlist_a6(st)+nreject_a6(st)))
-#else
-#define rejectlist_a4(st)   ((addr4maskpair_t *)(st)->rejectlist->rdata)
-#endif
-
-#define QS_INITIAL       0  /* This is the initial state. Set this before starting. */
-
-#define QS_TCPINITIAL    1  /* Start a TCP query. */
-#define QS_TCPWRITE      2  /* Waiting to write data. */
-#define QS_TCPREAD       3  /* Waiting to read data. */
-
-#define QS_UDPINITIAL    4  /* Start a UDP query */
-#define QS_UDPRECEIVE    5  /* UDP query transmitted, waiting for response. */
-
-#define QS_QUERY_CASES   case QS_TCPINITIAL: case QS_TCPWRITE: case QS_TCPREAD: case QS_UDPINITIAL: case QS_UDPRECEIVE
-
-#define QS_CANCELED      7  /* query was started, but canceled before completion */
-#define QS_DONE          8  /* done, resources freed, result is in stat_t */
-
-
-/* Events to be polled/selected for */
-#define QS_WRITE_CASES case QS_TCPWRITE
-#define QS_READ_CASES  case QS_TCPREAD: case QS_UDPRECEIVE
-
-/*
- * This is for error handling to prevent spewing the log files.
- * Races do not really matter here, so no locks.
- */
-#define MAXPOLLERRS 10
-static volatile unsigned long poll_errs=0;
-
-#define SOCK_ADDR(p) ((struct sockaddr *) &(p)->a)
-
-#ifdef SIN_LEN
-#undef SIN_LEN
-#endif
-
-#define SIN_LEN SEL_IPVER(sizeof(struct sockaddr_in),sizeof(struct sockaddr_in6))
-#define PDNSD_A(p) SEL_IPVER(((pdnsd_a *) &(p)->a.sin4.sin_addr),((pdnsd_a *) &(p)->a.sin6.sin6_addr))
-
-#ifndef EWOULDBLOCK
-#define EWOULDBLOCK EAGAIN
-#endif
-
-typedef DYNAMIC_ARRAY(dns_cent_t) *dns_cent_array;
-
-
-/*
- * Take the data from an RR and add it to an array of cache entries.
- * The return value will be RC_OK in case of success,
- * RC_SERVFAIL in case there is a problem with inconsistent ttl timestamps
- * or RC_FATALERR in case of a memory allocation failure.
- */
-static int rr_to_cache(dns_cent_array *centa, unsigned char *oname, int tp, time_t ttl,
-		       unsigned dlen, void *data, unsigned flags, time_t queryts)
-{
-	int i,n;
-	dns_cent_t *cent;
-
-	n=DA_NEL(*centa);
-	for(i=0;i<n;++i) {
-		cent=&DA_INDEX(*centa,i);
-		if (rhnicmp(cent->qname,oname)) {
-			int retval=RC_OK;
-			/* We already have an entry in the array for this name. add_cent_rr is sufficient.
-			   However, make sure there are no double records. This is done by add_cent_rr */
-#ifdef RFC2181_ME_HARDER
-			rr_set_t *rrset= getrrset(cent,tp);
-			if (rrset && rrset->ttl!=ttl)
-				retval= RC_SERVFAIL;
-#endif
-			return add_cent_rr(cent,tp,ttl,queryts,flags,dlen,data  DBG1)? retval: RC_FATALERR;
-		}
-	}
-
-	/* Add a new entry to the array for this name. */
-	if (!(*centa=DA_GROW1_F(*centa,free_cent0)))
-		return RC_FATALERR;
-	cent=&DA_LAST(*centa);
-	if (!init_cent(cent,oname, 0, 0, 0  DBG1)) {
-		*centa=DA_RESIZE(*centa,n);
-		return RC_FATALERR;
-	}
-	return add_cent_rr(cent,tp,ttl,queryts,flags,dlen,data  DBG1)? RC_OK: RC_FATALERR;
-}
-
-/*
- * Takes a pointer (ptr) to a buffer with recnum rrs,decodes them and enters
- * them into an array of cache entries. *ptr is modified to point after the last
- * rr, and *lcnt is decremented by the size of the rrs.
- *
- * *numopt is incremented with the number of OPT pseudo RRs found (should be at most one).
- * The structure pointed to by ep is filled with the information of the first OPT pseudo RR found,
- * but only if *numopt was set to zero before the call.
- *
- * The return value will be either RC_OK (which indicates success),
- * or one of the failure codes RC_FORMAT, RC_TRUNC, RC_SERVFAIL or RC_FATALERR
- * (the latter indicates a memory allocation failure).
-*/
-static int rrs2cent(unsigned char *msg, size_t msgsz, unsigned char **ptr, size_t *lcnt, int recnum,
-		    unsigned flags, time_t queryts, dns_cent_array *centa, int *numopt, edns_info_t *ep)
-{
-	int rc, retval=RC_OK;
-	int i;
-	uint16_t type,class; uint32_t ttl; uint16_t rdlength;
-
-	for (i=0;i<recnum;i++) {
-		unsigned char oname[DNSNAMEBUFSIZE], *ttlp;
-		unsigned int len;
-		if ((rc=decompress_name(msg, msgsz, ptr, lcnt, oname, &len))!=RC_OK) {
-			return rc;
-		}
-		if (*lcnt<sizeof_rr_hdr_t) {
-			return RC_TRUNC;
-		}
-		*lcnt -= sizeof_rr_hdr_t;
-		GETINT16(type,*ptr);
-		GETINT16(class,*ptr);
-		ttlp= *ptr;   /* Remember pointer to ttl field. */
-		GETINT32(ttl,*ptr);
-		GETINT16(rdlength,*ptr);
-		if (*lcnt<rdlength) {
-			return RC_TRUNC;
-		}
-
-		if(type==T_OPT) {
-			/* Found OPT pseudo-RR */
-			if((*numopt)++ == 0) {
-#if DEBUG>0
-				if(oname[0]!=0) {
-					DEBUG_MSG("rrs2cent: name in OPT record not empty!\n");
-				}
-#endif
-				ep->udpsize= class;
-				ep->rcode= ((uint16_t)ttlp[0]<<4) | ((dns_hdr_t *)msg)->rcode;
-				ep->version= ttlp[1];
-				ep->do_flg= (ttlp[2]>>7)&1;
-#if DEBUG>0
-				if(debug_p) {
-					unsigned int Zflags= ((uint16_t)ttlp[2]<<8) | ttlp[3];
-					if(Zflags & 0x7fff) {
-						DEBUG_MSG("rrs2cent: Z field contains unknown nonzero bits (%04x).\n",
-							  Zflags);
-					}
-				}
-				if(rdlength) {
-					DEBUG_MSG("rrs2cent: RDATA field in OPT record not empty!\n");
-				}
-#endif
-			}
-			else {
-				DEBUG_MSG("rrs2cent: ingnoring surplus OPT record.\n");
-			}
-		}
-		else if (!(PDNSD_NOT_CACHED_TYPE(type) || class!=C_IN)) {
-			/* Some types contain names that may be compressed, so these need to be processed.
-			 * The other records are taken as they are. */
-
-			size_t blcnt=rdlength;
-			unsigned char *bptr=*ptr;  /* make backup for decompression, because rdlength is the
-						      authoritative record length and pointer and size will be
-						      modified by decompress_name. */
-			unsigned char *nptr;
-			unsigned int slen;
-
-			switch (type) {
-			case T_A:
-				/* Validate types we use internally */
-				if(rdlength!=4) goto invalid_length;
-				goto default_case;
-
-			case T_CNAME:
-			case T_MB:
-			case T_MD:
-			case T_MF:
-			case T_MG:
-			case T_MR:
-			case T_NS:
-			case T_PTR:
-			{
-				unsigned char db[DNSNAMEBUFSIZE];
-				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, db, &len))!=RC_OK)
-					return rc==RC_TRUNC?RC_FORMAT:rc;
-				if (blcnt!=0)
-					goto trailing_junk;
-				if ((rc=rr_to_cache(centa, oname, type, ttl, len, db, flags,queryts))!=RC_OK) {
-					if(rc==RC_FATALERR)
-						return rc;
-					retval=rc;
-				}
-			}
-				break;
-
-#if IS_CACHED_MINFO || IS_CACHED_RP
-#if IS_CACHED_MINFO
-			case T_MINFO:
-#endif
-#if IS_CACHED_RP
-			case T_RP:
-#endif
-			{
-				unsigned char db[DNSNAMEBUFSIZE+DNSNAMEBUFSIZE];
-				nptr=db;
-				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
-					return rc==RC_TRUNC?RC_FORMAT:rc;
-				/* PDNSD_ASSERT(len + DNSNAMEBUFSIZE <= sizeof(db), "T_MINFO/T_RP: buffer limit reached"); */
-				nptr+=len;
-				slen=len;
-				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
-					return rc==RC_TRUNC?RC_FORMAT:rc;
-				/*nptr+=len;*/
-				slen+=len;
-				if (blcnt!=0)
-					goto trailing_junk;
-				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
-					if(rc==RC_FATALERR)
-						return rc;
-					retval=rc;
-				}
-			}
-				break;
-#endif
-			case T_MX:
-#if IS_CACHED_AFSDB
-			case T_AFSDB:
-#endif
-#if IS_CACHED_RT
-			case T_RT:
-#endif
-#if IS_CACHED_KX
-			case T_KX:
-#endif
-			{
-				unsigned char db[2+DNSNAMEBUFSIZE];
-				if (blcnt<2)
-					goto record_too_short;
-				memcpy(db,bptr,2); /* copy the preference field*/
-				blcnt-=2;
-				bptr+=2;
-				nptr=db+2;
-				slen=2;
-				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
-					return rc==RC_TRUNC?RC_FORMAT:rc;
-				/*nptr+=len;*/
-				slen+=len;
-				if (blcnt!=0)
-					goto trailing_junk;
-				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
-					if(rc==RC_FATALERR)
-						return rc;
-					retval=rc;
-				}
-			}
-				break;
-
-			case T_SOA:
-			{
-				unsigned char db[DNSNAMEBUFSIZE+DNSNAMEBUFSIZE+20];
-				nptr=db;
-				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
-					return rc==RC_TRUNC?RC_FORMAT:rc;
-				/* PDNSD_ASSERT(len + DNSNAMEBUFSIZE <= sizeof(db), "T_SOA: buffer limit reached"); */
-				nptr+=len;
-				slen=len;
-				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
-					return rc==RC_TRUNC?RC_FORMAT:rc;
-				nptr+=len;
-				slen+=len;
-				/* PDNSD_ASSERT(slen + 20 <= sizeof(db), "T_SOA: buffer limit reached"); */
-				if (blcnt<20)
-					goto record_too_short;
-				memcpy(nptr,bptr,20); /*copy the rest of the SOA record*/
-				blcnt-=20;
-				slen+=20;
-				if (blcnt!=0)
-					goto trailing_junk;
-				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
-					if(rc==RC_FATALERR)
-						return rc;
-					retval=rc;
-				}
-			}
-				break;
-#if IS_CACHED_AAAA
-			case T_AAAA:
-				/* Validate types we use internally */
-				if(rdlength!=16) goto invalid_length;
-				goto default_case;
-#endif
-#if IS_CACHED_PX
-			case T_PX:
-			{
-				unsigned char db[2+DNSNAMEBUFSIZE+DNSNAMEBUFSIZE];
-				if (blcnt<2)
-					goto record_too_short;
-				memcpy(db,bptr,2); /* copy the preference field*/
-				blcnt-=2;
-				bptr+=2;
-				nptr=db+2;
-				slen=2;
-				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
-					return rc==RC_TRUNC?RC_FORMAT:rc;
-				/* PDNSD_ASSERT(len + DNSNAMEBUFSIZE <= sizeof(db), "T_PX: buffer limit reached"); */
-				nptr+=len;
-				slen+=len;
-				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
-					return rc==RC_TRUNC?RC_FORMAT:rc;
-				/* nptr+=len; */
-				slen+=len;
-				if (blcnt!=0)
-					goto trailing_junk;
-				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
-					if(rc==RC_FATALERR)
-						return rc;
-					retval=rc;
-				}
-			}
-				break;
-#endif
-#if IS_CACHED_SRV
-			case T_SRV:
-			{
-				unsigned char db[6+DNSNAMEBUFSIZE];
-				if (blcnt<6)
-					goto record_too_short;
-				memcpy(db,bptr,6);
-				blcnt-=6;
-				bptr+=6;
-				nptr=db+6;
-				slen=6;
-				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
-					return rc==RC_TRUNC?RC_FORMAT:rc;
-				/*nptr+=len;*/
-				slen+=len;
-				if (blcnt!=0)
-					goto trailing_junk;
-				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
-					if(rc==RC_FATALERR)
-						return rc;
-					retval=rc;
-				}
-			}
-				break;
-#endif
-#if IS_CACHED_NXT
-			case T_NXT:
-			{
-				unsigned char db[1040];
-				nptr=db;
-				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
-					return rc==RC_TRUNC?RC_FORMAT:rc;
-				nptr+=len;
-				slen=len+blcnt;
-				if (slen > sizeof(db))
-					goto buffer_overflow;
-				memcpy(nptr,bptr,blcnt);
-				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
-					if(rc==RC_FATALERR)
-						return rc;
-					retval=rc;
-				}
-			}
-				break;
-#endif
-#if IS_CACHED_NAPTR
-			case T_NAPTR:
-			{
-				int j;
-				unsigned char db[4 + 3*256 + DNSNAMEBUFSIZE];
-				nptr=db;
-				/*
-				 * After the preference field, three text strings follow, the maximum length being 255
-				 * characters for each (this is ensured by the type of *bptr), plus one length byte for
-				 * each, so 3 * 256 = 786 in total. In addition, the name below is up to DNSNAMEBUFSIZE characters
-				 * in size, and the preference field is another 4 bytes in size, so the total length
-				 * that can be taken up is 1028 characters. This means that the whole record will always
-				 * fit into db.
-				 */
-				len=4;   /* also copy the preference field*/
-				for (j=0;j<3;j++) {
-					if (len>=blcnt)
-						goto record_too_short;
-					len += ((unsigned)bptr[len])+1;
-				}
-				if(len>blcnt)
-					goto record_too_short;
-				memcpy(nptr,bptr,len);
-				blcnt-=len;
-				bptr+=len;
-				nptr+=len;
-				slen=len;
-
-				/* PDNSD_ASSERT(slen+DNSNAMEBUFSIZE <= sizeof(db), "T_NAPTR: buffer limit reached (name)"); */
-				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
-					return rc==RC_TRUNC?RC_FORMAT:rc;
-				/*nptr+=len;*/
-				slen+=len;
-				if (blcnt!=0)
-					goto trailing_junk;
-				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
-					if(rc==RC_FATALERR)
-						return rc;
-					retval=rc;
-				}
-			}
-				break;
-#endif
-#if IS_CACHED_IPSECKEY
-			case T_IPSECKEY:
-			{
-				unsigned gwtp;
-				/* An IPSECKEY record can contain a domain name, so we do some sanity checks just to be sure. */
-				if(blcnt<3) goto record_too_short;
-				gwtp= bptr[1];
-				blcnt -= 3;
-				bptr += 3;
-				switch(gwtp) {
-				case 0: goto default_case;
-				case 1: /* There should be enough room for IPv4 address. */
-					if(blcnt<4) goto record_too_short;
-					goto default_case;
-				case 2: /* There should be enough room for IPv6 address. */
-					if(blcnt<16) goto record_too_short;
-					goto default_case;
-				case 3: /* Check that domain name is not compressed. */
-					if(isnormalencdomname(bptr,blcnt)) goto default_case;
-					/* It appears the name is compressed even though RFC 4025
-					   says it shouldn't be. For the sake of flexibility, we
-					   try to decompress it anyway. */
-					{
-						unsigned char *rbuf, nmbuf[DNSNAMEBUFSIZE];
-						if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nmbuf, &len))!=RC_OK)
-							return rc==RC_TRUNC?RC_FORMAT:rc;
-						slen=3+len+blcnt;
-						rbuf=malloc(slen);
-						if(!rbuf) return RC_FATALERR;
-						nptr=mempcpy(rbuf,*ptr,3);
-						nptr=mempcpy(nptr,nmbuf,len);
-						memcpy(nptr,bptr,blcnt);
-						rc=rr_to_cache(centa, oname, type, ttl, slen, rbuf, flags,queryts);
-						free(rbuf);
-						if(rc!=RC_OK) {
-							if(rc==RC_FATALERR)
-								return rc;
-							retval=rc;
-						}
-					}
-					break;
-				default:
-					DEBUG_MSG("rrs2cent: %s record contains unsupported gateway type (%u).\n",getrrtpname(type),gwtp);
-					return RC_FORMAT;
-				}
-			}
-				break;
-#endif
-#if IS_CACHED_RRSIG
-			case T_RRSIG:
-				/* An RRSIG record contains a domain name, so we do some sanity checks just to be sure. */
-				if(blcnt<18) goto record_too_short;
-				blcnt -= 18;
-				bptr += 18;
-				if(isnormalencdomname(bptr,blcnt)) goto default_case;
-				/* It appears the name is compressed even though RFC 4034
-				   says it shouldn't be. For the sake of flexibility, we
-				   try to decompress it anyway. */
-				{
-					unsigned char *rbuf, nmbuf[DNSNAMEBUFSIZE];
-					if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nmbuf, &len))!=RC_OK)
-						return rc==RC_TRUNC?RC_FORMAT:rc;
-					slen=18+len+blcnt;
-					rbuf=malloc(slen);
-					if(!rbuf) return RC_FATALERR;
-					nptr=mempcpy(rbuf,*ptr,18);
-					nptr=mempcpy(nptr,nmbuf,len);
-					memcpy(nptr,bptr,blcnt);
-					rc=rr_to_cache(centa, oname, type, ttl, slen, rbuf, flags,queryts);
-					free(rbuf);
-					if(rc!=RC_OK) {
-						if(rc==RC_FATALERR)
-							return rc;
-						retval=rc;
-					}
-				}
-				break;
-#endif
-#if IS_CACHED_NSEC
-			case T_NSEC:
-				/* An NSEC record contains a domain name, so we do some sanity checks just to be sure. */
-				if(isnormalencdomname(bptr,blcnt)) goto default_case;
-				/* It appears the name is compressed even though RFC 4034
-				   says it shouldn't be. For the sake of flexibility, we
-				   try to decompress it anyway. */
-				{
-					unsigned char *rbuf, nmbuf[DNSNAMEBUFSIZE];
-					if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nmbuf, &len))!=RC_OK)
-						return rc==RC_TRUNC?RC_FORMAT:rc;
-					slen=len+blcnt;
-					rbuf=malloc(slen);
-					if(!rbuf) return RC_FATALERR;
-					nptr=mempcpy(rbuf,nmbuf,len);
-					memcpy(nptr,bptr,blcnt);
-					rc=rr_to_cache(centa, oname, type, ttl, slen, rbuf, flags,queryts);
-					free(rbuf);
-					if(rc!=RC_OK) {
-						if(rc==RC_FATALERR)
-							return rc;
-						retval=rc;
-					}
-				}
-				break;
-#endif
-			default:
-			default_case:
-				if ((rc=rr_to_cache(centa, oname, type, ttl, rdlength, *ptr, flags,queryts))!=RC_OK) {
-					if(rc==RC_FATALERR)
-						return rc;
-					retval=rc;
-				}
-			}
-		}
-		else {
-			/* skip otherwise */
-			DEBUG_MSG("rrs2cent: ignoring record of type %s (%d), class %s (%d).\n",
-				  getrrtpname(type), type,
-				  class==C_IN?"IN":"[unknown]", class);
-		}
-
-		*lcnt -= rdlength;
-		*ptr += rdlength;
-	}
-	return retval;
-
- trailing_junk:
-	DEBUG_MSG("rrs2cent: %s record has trailing junk.\n",getrrtpname(type));
-	return RC_FORMAT;
-
- record_too_short:
-	DEBUG_MSG("rrs2cent: %s record too short.\n",getrrtpname(type));
-	return RC_FORMAT;
-
- buffer_overflow:
-	DEBUG_MSG("rrs2cent: buffer too small to process %s record.\n",getrrtpname(type));
-	return RC_FORMAT;
-
- invalid_length:
-	DEBUG_MSG("rrs2cent: %s record has length %u.\n",getrrtpname(type),rdlength);
-	return RC_FORMAT;
-}
-
-/*
- * Try to bind the socket to a port in the given port range. Returns 1 on success, or 0 on failure.
- */
-static int bind_socket(int s)
-{
-	int query_port_start=global.query_port_start,query_port_end=global.query_port_end;
-
-	/*
-	 * -1, as a special value for query_port_start, denotes that we let the kernel select
-	 * a port when we first use the socket, which used to be the default.
-	 */
-	if (query_port_start >= 0) {
-		union {
-#ifdef ENABLE_IPV4
-			struct sockaddr_in sin4;
-#endif
-#ifdef ENABLE_IPV6
-			struct sockaddr_in6 sin6;
-#endif
-		} sin;
-		socklen_t sinl;
-		int prt, pstart, range = query_port_end-query_port_start+1, m=0xffff;
-		unsigned try1,try2, maxtry2;
-
-		if (range<=0 || range>0x10000) {
-			log_warn("Illegal port range in %s line %d, dropping query!\n",__FILE__,__LINE__);
-			return 0;
-		}
-		if(range<=0x8000) {
-			/* Find the smallest power of 2 >= range. */
-			for(m=1; m<range; m <<= 1);
-			/* Convert into a bit mask. */
-			--m;
-		}
-
-		for (try2=0,maxtry2=range*2;;) {
-			/* Get a random number < range, by rejecting those >= range. */
-			for(try1=0;;) {
-				prt= get_rand16()&m;
-				if(prt<range) break;
-				if(++try1>=0x10000) {
-					log_warn("Cannot get random number < range"
-						 " after %d tries in %s line %d,"
-						 " bad random number generator?\n",
-						 try1,__FILE__,__LINE__);
-					return 0;
-				}
-			}
-			prt += query_port_start;
-
-			for(pstart=prt;;) {
-#ifdef ENABLE_IPV4
-				if (run_ipv4) {
-					memset(&sin.sin4,0,sizeof(struct sockaddr_in));
-					sin.sin4.sin_family=AF_INET;
-					sin.sin4.sin_port=htons(prt);
-					sin.sin4.sin_addr=global.out_a.ipv4;
-					SET_SOCKA_LEN4(sin.sin4);
-					sinl=sizeof(struct sockaddr_in);
-				}
-#endif
-#ifdef ENABLE_IPV6
-				ELSE_IPV6 {
-					memset(&sin.sin6,0,sizeof(struct sockaddr_in6));
-					sin.sin6.sin6_family=AF_INET6;
-					sin.sin6.sin6_port=htons(prt);
-					sin.sin6.sin6_flowinfo=IPV6_FLOWINFO;
-					sin.sin6.sin6_addr=global.out_a.ipv6;
-					SET_SOCKA_LEN6(sin.sin6);
-					sinl=sizeof(struct sockaddr_in6);
-				}
-#endif
-				if (bind(s,(struct sockaddr *)&sin,sinl)==-1) {
-					if (errno!=EADDRINUSE &&
-					    errno!=EADDRNOTAVAIL) { /* EADDRNOTAVAIL should not happen here... */
-						log_warn("Could not bind to socket: %s\n", strerror(errno));
-						return 0;
-					}
-					/* If the address is in use, we continue. */
-				} else
-					goto done;
-
-				if(++try2>=maxtry2) {
-					/* It is possible we missed the free ports by chance,
-					   try scanning the whole range. */
-					if (++prt>query_port_end)
-						prt=query_port_start;
-					if (prt==pstart) {
-						/* Wrapped around, scanned the whole range. Give up. */
-						log_warn("Out of ports in the range"
-							 " %d-%d, dropping query!\n",
-							 query_port_start,query_port_end);
-						return 0;
-					}
-				}
-				else    /* Try new random number */
-					break;
-			}
-		}
-	}
-done:
-	return 1;
-}
-
-
-inline static void *realloc_or_cleanup(void *ptr,size_t size)
-{
-	void *retval=pdnsd_realloc(ptr,size);
-	if(!retval)
-		pdnsd_free(ptr);
-	return retval;
-}
-
-#if defined(NO_TCP_QUERIES)
-# define USE_UDP(st) 1
-#elif defined(NO_UDP_QUERIES)
-# define USE_UDP(st) 0
-#else /* !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES) */
-# define USE_UDP(st) ((st)->qm==UDP_ONLY || (st)->qm==UDP_TCP)
-
-/* These functions will be used in case a TCP query might fail and we want to try again using UDP. */
-
-# define tentative_tcp_query(st) ((st)->qm==TCP_UDP && ((st)->state==QS_TCPWRITE || ((st)->state==QS_TCPREAD && (st)->iolen==0)))
-
-inline static void switch_to_udp(query_stat_t *st)
-{
-	st->qm=UDP_ONLY;
-	st->myrid=get_rand16();
-	st->msg->hdr.id=htons(st->myrid);
-	st->state=QS_UDPINITIAL;
-	/* st->failed=0; */
-}
-
-/* This function will be used in case a UDP reply was truncated and we want to try again using TCP. */
-
-inline static void switch_to_tcp(query_stat_t *st)
-{
-	/* PDNSD_ASSERT(st->state==QS_INITIAL || st->state==QS_DONE || st->state==QS_CANCELED,
-	   "Attempt to switch to TCP while a query is in progress."); */
-	st->qm=TCP_ONLY;
-	st->state=QS_INITIAL;
-	st->failed=0;
-}
-#endif
-
-
-/* ------ following is the parallel query code.
- * It has been observed that a whole lot of name servers are just damn lame, with response time
- * of about 1 min. If that slow one is by chance the first server we try, serializing the tries is quite
- * sub-optimal. Also when doing serial queries, the timeout values given in the config will add up, which
- * is not the Right Thing. Now that serial queries are in place, this is still true for CNAME recursion,
- * and for recursion in quest for the holy AA, but not totally for querying multiple servers.
- * The impact on network bandwith should be only marginal (given todays bandwith).
- *
- * The actual strategy is to do (max) PAR_QUERIES parallel queries, and, if these time out or fail, do again
- * that number of queries, until we are successful or there are no more servers to query.
- * Since the memory footprint of a thread is considerably large on some systems, and because we have better
- * control, we will do the parallel queries multiplexed in one thread.
- */
-
-/* The query state machine that is called from p_exec_query. This is called once for initialization (state
- * QS_TCPINITIAL or QS_UDPINITIAL is preset), and the state that it gives back may either be state QS_DONE,
- * in which case it must return a return code other than -1 and is called no more for this server
- * (except perhaps in UDP mode if TCP failed). If p_query_sm returns -1, then the state machine is in a read
- * or write state, and a function higher up the calling chain can setup a poll() or select() together with st->sock.
- * If that poll/select is succesful for that socket, p_exec_query is called again and will hand over to p_query_sm.
- * So, you can assume that read(), write() and recvfrom() will not block at the start of a state handling when you
- * have returned -1 (which means "call again") as last step of the last state handling. */
-static int p_query_sm(query_stat_t *st)
-{
-	int retval=RC_SERVFAIL,rv;
-
-#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
- tryagain:
-#endif
-	switch (st->state){
-		/* TCP query code */
-#ifndef NO_TCP_QUERIES
-	case QS_TCPINITIAL:
-		if ((st->sock=socket(PDNSD_PF_INET,SOCK_STREAM,IPPROTO_TCP))==-1) {
-			DEBUG_MSG("Could not open socket: %s\n", strerror(errno));
-			break;
-		}
-		/* sin4 or sin6 is intialized, hopefully. */
-
-		/* maybe bind */
-		if (!bind_socket(st->sock)) {
-			close(st->sock);
-			break;
-		}
-
-		/* transmit query by tcp*/
-		/* make the socket non-blocking */
-		{
-			int oldflags = fcntl(st->sock, F_GETFL, 0);
-			if (oldflags == -1 || fcntl(st->sock,F_SETFL,oldflags|O_NONBLOCK)==-1) {
-				DEBUG_PDNSDA_MSG("fcntl error while trying to make socket to %s non-blocking: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(errno));
-				close(st->sock);
-				break;
-			}
- 		}
-		st->iolen=0;
-#ifdef ENABLE_IPV6
-	retry_tcp_connect:
-#endif
-		if (connect(st->sock,SOCK_ADDR(st),SIN_LEN)==-1) {
-			if (errno==EINPROGRESS || errno==EPIPE) {
-				st->state=QS_TCPWRITE;
-				/* st->event=QEV_WRITE; */ /* wait for writability; the connect is then done */
-				return -1;
-			} else if (errno==ECONNREFUSED) {
-				st->s_errno=errno;
-				DEBUG_PDNSDA_MSG("TCP connection refused by %s\n", PDNSDA2STR(PDNSD_A(st)));
-				close(st->sock);
-				goto tcp_failed; /* We may want to try again using UDP */
-			} else {
-				/* Since immediate connect() errors do not cost any time, we do not try to switch the
-				 * server status to offline */
-#ifdef ENABLE_IPV6
-				/* if IPv6 connectivity is for some reason unavailable, perhaps the
-				   IPv4 fallback address can still be reached. */
-				if(!run_ipv4 && (errno==ENETUNREACH || errno==ENETDOWN)
-				   && st->a4fallback.s_addr!=INADDR_ANY)
-				{
-#if DEBUG>0
-					char abuf[ADDRSTR_MAXLEN];
-					DEBUG_PDNSDA_MSG("Connecting to %s failed: %s, retrying with IPv4 address %s\n",
-							 PDNSDA2STR(PDNSD_A(st)),strerror(errno),
-							 inet_ntop(AF_INET,&st->a4fallback,abuf,sizeof(abuf)));
-#endif
-					IPV6_MAPIPV4(&st->a4fallback,&st->a.sin6.sin6_addr);
-					st->a4fallback.s_addr=INADDR_ANY;
-					goto retry_tcp_connect;
-				}
-#endif
-				DEBUG_PDNSDA_MSG("Error while connecting to %s: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(errno));
-				close(st->sock);
-				break;
-			}
-		}
-		st->state=QS_TCPWRITE;
-		/* st->event=QEV_WRITE; */
-		/* fall through in case of not EINPROGRESS */
-	case QS_TCPWRITE:
-		{
-			int rem= dnsmsghdroffset + st->transl - st->iolen;
-			if(rem>0) {
-				rv=write(st->sock,((unsigned char*)st->msg)+st->iolen,rem);
-				if(rv==-1) {
-					if(errno==EWOULDBLOCK)
-						return -1;
-					st->s_errno=errno;
-					close(st->sock);
-					if (st->iolen==0 &&
-					    (st->s_errno==ECONNREFUSED || st->s_errno==ECONNRESET ||
-					     st->s_errno==EPIPE))
-					{
-						/* This error may be delayed from connect() */
-						DEBUG_PDNSDA_MSG("TCP connection to %s failed: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(st->s_errno));
-						goto tcp_failed; /* We may want to try again using UDP */
-					}
-					DEBUG_PDNSDA_MSG("Error while sending data to %s: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(st->s_errno));
-					break;
-				}
-				st->iolen += rv;
-				if(rv<rem)
-					return -1;
-			}
-		}
-		st->state=QS_TCPREAD;
-		st->iolen=0;
-		/* st->event=QEV_READ; */
-		/* fall through */
-	case QS_TCPREAD:
-	        if(st->iolen==0) {
-			uint16_t recvl_net;
-			rv=read(st->sock,&recvl_net,sizeof(recvl_net));
-			if(rv==-1 && errno==EWOULDBLOCK)
-				return -1;
-			if(rv!=sizeof(recvl_net))
-				goto error_receiv_data;
-			st->iolen=rv;
-			st->recvl=ntohs(recvl_net);
-			if(!(st->recvbuf=(dns_hdr_t *)realloc_or_cleanup(st->recvbuf,st->recvl))) {
-				close(st->sock);
-				DEBUG_MSG("Out of memory in query.\n");
-				retval=RC_FATALERR;
-				break;
-			}
-		}
-		{
-			int offset=st->iolen-sizeof(uint16_t);
-			int rem=st->recvl-offset;
-			if(rem>0) {
-				rv=read(st->sock,((unsigned char*)st->recvbuf)+offset,rem);
-				if(rv==-1) {
-					if(errno==EWOULDBLOCK)
-						return -1;
-					goto error_receiv_data;
-				}
-				if(rv==0)
-					goto error_receiv_data; /* unexpected EOF */
-				st->iolen += rv;
-				if(rv<rem)
-					return -1;
-			}
-		}
-		close(st->sock);
-		st->state=QS_DONE;
-		return RC_OK;
-	error_receiv_data:
-		if(rv==-1) st->s_errno=errno;
-		DEBUG_PDNSDA_MSG("Error while receiving data from %s: %s\n", PDNSDA2STR(PDNSD_A(st)),
-				 rv==-1?strerror(errno):(rv==0 && st->iolen==0)?"no data":"incomplete data");
-		close(st->sock);
-	tcp_failed:
-#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
-		if(st->qm==TCP_UDP) {
-			switch_to_udp(st);
-			DEBUG_PDNSDA_MSG("TCP query to %s failed. Trying to use UDP.\n", PDNSDA2STR(PDNSD_A(st)));
-			goto tryagain;
-		}
-#endif
-		break;
-#endif
-
-#ifndef NO_UDP_QUERIES
-		/* UDP query code */
-	case QS_UDPINITIAL:
-		if ((st->sock=socket(PDNSD_PF_INET,SOCK_DGRAM,IPPROTO_UDP))==-1) {
-			DEBUG_MSG("Could not open socket: %s\n", strerror(errno));
-			break;
-		}
-
-		/* maybe bind */
-		if (!bind_socket(st->sock)) {
-			close(st->sock);
-			break;
-		}
-
-		/* connect */
-#ifdef ENABLE_IPV6
-	retry_udp_connect:
-#endif
-		if (connect(st->sock,SOCK_ADDR(st),SIN_LEN)==-1) {
-			if (errno==ECONNREFUSED) st->s_errno=errno;
-#ifdef ENABLE_IPV6
-			/* if IPv6 connectivity is for some reason unavailable, perhaps the
-			   IPv4 fallback address can still be reached. */
-			else if(!run_ipv4 && (errno==ENETUNREACH || errno==ENETDOWN)
-				   && st->a4fallback.s_addr!=INADDR_ANY)
-			{
-#if DEBUG>0
-				char abuf[ADDRSTR_MAXLEN];
-				DEBUG_PDNSDA_MSG("Connecting to %s failed: %s, retrying with IPv4 address %s\n",
-						 PDNSDA2STR(PDNSD_A(st)),strerror(errno),
-						 inet_ntop(AF_INET,&st->a4fallback,abuf,sizeof(abuf)));
-#endif
-				IPV6_MAPIPV4(&st->a4fallback,&st->a.sin6.sin6_addr);
-				st->a4fallback.s_addr=INADDR_ANY;
-				goto retry_udp_connect;
-			}
-#endif
-			DEBUG_PDNSDA_MSG("Error while connecting to %s: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(errno));
-			close(st->sock);
-			break;
-		}
-
-		/* transmit query by udp*/
-		/* send will hopefully not block on a freshly opened socket (the buffer
-		 * must be empty) */
-		if (send(st->sock,&st->msg->hdr,st->transl,0)==-1) {
-			st->s_errno=errno;
-			DEBUG_PDNSDA_MSG("Error while sending data to %s: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(errno));
-			close(st->sock);
-			break;
-		}
-		st->state=QS_UDPRECEIVE;
-		/* st->event=QEV_READ; */
-		return -1;
-	case QS_UDPRECEIVE:
-	{
-		int udpbufsize= (st->edns_query?global.udpbufsize:UDP_BUFSIZE);
-		if(!(st->recvbuf=(dns_hdr_t *)realloc_or_cleanup(st->recvbuf,udpbufsize))) {
-			close(st->sock);
-			DEBUG_MSG("Out of memory in query.\n");
-			retval=RC_FATALERR;
-			break;
-		}
-		if ((rv=recv(st->sock,st->recvbuf,udpbufsize,0))==-1) {
-			st->s_errno=errno;
-			DEBUG_PDNSDA_MSG("Error while receiving data from %s: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(errno));
-			close(st->sock);
-			break;
-		}
-		st->recvl=rv;
-		if (st->recvl<sizeof(dns_hdr_t) || ntohs(st->recvbuf->id)!=st->myrid) {
-			DEBUG_MSG("Bad answer received. Ignoring it.\n");
-			/* no need to care about timeouts here. That is done at an upper layer. */
-			st->state=QS_UDPRECEIVE;
-			/* st->event=QEV_READ; */
-			return -1;
-		}
-		close(st->sock);
-		st->state=QS_DONE;
-		return RC_OK;
-	}
-#endif
-	}
-
-	/* If we get here, something has gone wrong. */
-	st->state=QS_DONE;
-	return retval; /* should be either RC_SERVFAIL or RC_FATALERR */
-}
-
-static dns_cent_t *lookup_cent_array(dns_cent_array ca, const unsigned char *nm)
-{
-	int i,n=DA_NEL(ca);
-	for(i=0;i<n;++i) {
-		dns_cent_t *ce=&DA_INDEX(ca,i);
-		if(rhnicmp(ce->qname,nm))
-			return ce;
-	}
-	return NULL;
-}
-
-/* Extract the minimum ttl field from the SOA record stored in an rr bucket. */
-static time_t soa_minimum(rr_bucket_t *rrs)
-{
-	uint32_t minimum;
-	unsigned char *p=(unsigned char *)(rrs->data);
-
-	/* Skip owner and maintainer. Lengths are validated in cache. */
-	p=skiprhn(skiprhn(p));
-	/* Skip serial, refresh, retry, expire fields. */
-	p += 4*sizeof(uint32_t);
-	GETINT32(minimum,p);
-	return minimum;
-}
-
-/*
- * The function that will actually execute a query. It takes a state structure in st.
- * st->state must be set to QS_INITIAL before calling.
- * This may return one of the RC_* codes, where RC_OK indicates success, the other
- * RC codes indicate the appropriate errors. -1 is the return value that indicates that
- * you should call p_exec_query again with the same state for the result until you get
- * a return value >0. Alternatively, call p_cancel_query to cancel it.
- * Timeouts are already handled by this function.
- * Any records that the query has yielded and that are not a direct answer to the query
- * (i.e. are records for other domains) are added to the cache, while the direct answers
- * are returned in ent.
- * All ns records, to whomever they might belong, are additionally returned in the ns list.
- * Free it when done.
- * This function calls another query state machine function that supports TCP and UDP.
- *
- * If you want to tell me that this function has a truly ugly coding style, ah, well...
- * You are right, somehow, but I feel it is conceptually elegant ;-)
- */
-static int p_exec_query(dns_cent_t **entp, const unsigned char *name, int thint,
-			query_stat_t *st, dlist *ns, unsigned char *c_soa)
-{
-	int rv,rcode;
-	unsigned short rd;
-
-	switch (st->state){
-	case QS_INITIAL: {
-		size_t transl,allocsz;
-		unsigned int rrnlen=0;
-
-		allocsz= sizeof(dns_msg_t);
-		if(name) {
-			rrnlen=rhnlen(name);
-			allocsz += rrnlen+4;
-			if(st->edns_query)
-				allocsz += sizeof_opt_pseudo_rr;
-		}
-		st->msg=(dns_msg_t *)pdnsd_malloc(allocsz);
-		if (!st->msg) {
-			st->state=QS_DONE;
- 			return RC_FATALERR; /* unrecoverable error */
-		}
-		st->myrid=get_rand16();
-		st->msg->hdr.id=htons(st->myrid);
-		st->msg->hdr.qr=QR_QUERY;
-		st->msg->hdr.opcode=OP_QUERY;
-		st->msg->hdr.aa=0;
-		st->msg->hdr.tc=0;
-		st->msg->hdr.rd=(name && st->trusted);
-		st->msg->hdr.ra=0;
-		st->msg->hdr.z=0;
-		st->msg->hdr.ad=0;
-		st->msg->hdr.cd=0;
-		st->msg->hdr.rcode=RC_OK;
-		st->msg->hdr.qdcount=htons(name!=NULL);
-		st->msg->hdr.ancount=0;
-		st->msg->hdr.nscount=0;
-		st->msg->hdr.arcount=0;
-
-		transl= sizeof(dns_hdr_t);
-		if(name) {
-			unsigned char *p = mempcpy((unsigned char *)(&st->msg->hdr+1),name,rrnlen);
-			unsigned short qtype=(st->lean_query?thint:QT_ALL);
-			PUTINT16(qtype,p);
-			PUTINT16(C_IN,p);
-			transl += rrnlen+4;
-			if(st->edns_query)
-				add_opt_pseudo_rr(&st->msg,&transl,&allocsz,
-						  global.udpbufsize,RC_OK,0,0);
-		}
-		st->transl=transl;
-#ifndef NO_TCP_QUERIES
-		st->msg->len=htons(st->transl);
-#endif
-		st->recvbuf=NULL;
-		st->state=(USE_UDP(st)?QS_UDPINITIAL:QS_TCPINITIAL);
-		/* fall through */
-	}
-	QS_QUERY_CASES:
-	tryagain:
-		rv=p_query_sm(st);
-		if (rv==-1) {
-			return -1;
-		}
-		if (rv!=RC_OK) {
-			pdnsd_free(st->msg);
-			pdnsd_free(st->recvbuf);
-			st->state=QS_DONE;
-			if(st->needs_testing) {
-				switch(st->s_errno) {
-				case ENETUNREACH:  /* network unreachable */
-				case EHOSTUNREACH: /* host unreachable */
-				case ENOPROTOOPT:  /* protocol unreachable */
-				case ECONNREFUSED: /* port unreachable */
-				case ENETDOWN:     /* network down */
-				case EHOSTDOWN:    /* host down */
-#ifdef ENONET
-				case ENONET:       /* machine not on the network */
-#endif
-					/* Mark this server as down for a period of time */
-					sched_server_test(PDNSD_A(st),1,0);
-					st->needs_testing=0;
-				}
-			}
-			return rv;
-		}
-		/* rv==RC_OK */
-		DEBUG_PDNSDA_MSG("Received reply from %s (msg len=%u).\n", PDNSDA2STR(PDNSD_A(st)), st->recvl);
-		DEBUG_DUMP_DNS_MSG(st->recvbuf, st->recvl);
-
-		/* Basic sanity checks */
-		if (st->recvl<sizeof(dns_hdr_t)) {
-			DEBUG_MSG("Message too short!\n");
-			goto discard_reply;
-		}
-		{
-			uint16_t recvid=ntohs(st->recvbuf->id);
-			if (recvid!=st->myrid) {
-				DEBUG_MSG("ID mismatch: expected %04x, got %04x!\n", st->myrid, recvid);
-				goto discard_reply;
-			}
-		}
-		if (st->recvbuf->qr!=QR_RESP) {
-			DEBUG_MSG("The QR bit indicates this is a query, not a response!\n");
-			goto discard_reply;
-		}
-		if (st->recvbuf->opcode!=OP_QUERY) {
-			DEBUG_MSG("Not a reply to a standard query (opcode=%u).\n",st->recvbuf->opcode);
-			goto discard_reply;
-		}
-
-		rcode=st->recvbuf->rcode;
-#if DEBUG>0
-		{
-			char flgsbuf[DNSFLAGSMAXSTRSIZE];
-			DEBUG_MSG("rcode=%u (%s), flags:%s\n", rcode, get_ename(rcode), dnsflags2str(st->recvbuf, flgsbuf));
-		}
-#endif
-		if (st->recvbuf->z!=0) {
-			DEBUG_MSG("Malformed response (nonzero Z bit).\n");
-			goto discard_reply;
-		}
-
-		if(st->needs_testing) {
-			/* We got an answer from this server, so don't bother with up tests for a while. */
-			sched_server_test(PDNSD_A(st),1,1);
-			st->needs_testing=0;
-		}
-
-		rv=rcode;
-		if(rcode==RC_OK || rcode==RC_NAMEERR) {
-			/* success or at least no requery is needed */
-			st->state=QS_DONE;
-			break;
-		}
-		else if (entp) {
-			if(rcode==RC_SERVFAIL || rcode==RC_NOTSUPP || rcode==RC_REFUSED) {
-				if (st->msg->hdr.rd && !st->recvbuf->ra) {
-					/* seems as if we have got no recursion available.
-					   We will have to do it by ourselves (sigh...) */
-					DEBUG_PDNSDA_MSG("Server %s returned error code: %s."
-							 " Maybe does not support recursive query?"
-							 " Querying non-recursively.\n",
-							 PDNSDA2STR(PDNSD_A(st)),get_ename(rcode));
-					st->msg->hdr.rd=0;
-					goto resetstate_tryagain;
-				}
-				else if(rcode!=RC_SERVFAIL && st->edns_query && st->msg->hdr.arcount)
-					goto try_withoutedns;
-				else if (st->recvbuf->ancount && st->auth_serv==2) {
-					/* The name server returned a failure code,
-					   but the answer section is not empty,
-					   and the answer is from a server lower down the call chain.
-					   Use this answer tentatively (it may be the
-					   best we can get), but remember the failure. */
-					DEBUG_PDNSDA_MSG("Server %s returned error code: %s,"
-							 " but the answer section is not empty."
-							 " Using the answer tentatively.\n",
-							 PDNSDA2STR(PDNSD_A(st)),get_ename(rcode));
-					st->failed=3;
-					st->state=QS_DONE;
-					break;
-				}
-			}
-			else if(rcode==RC_FORMAT && st->edns_query && st->msg->hdr.arcount)
-			try_withoutedns: {
-				size_t transl;
-				/* Perhaps the remote server barfs when the query
-				   contains an OPT RR in the additional section.
-				   Try again with an empty addtional section. */
-				DEBUG_PDNSDA_MSG("Server %s returned error code: %s."
-						 " Maybe cannot handle EDNS?"
-						 " Querying with empty additional section.\n",
-						 PDNSDA2STR(PDNSD_A(st)),get_ename(rcode));
-				transl=remove_opt_pseudo_rr(st->msg,st->transl);
-				if(transl!=0 && st->msg->hdr.arcount==0) {
-					st->transl=transl;
-#ifndef NO_TCP_QUERIES
-					st->msg->len=htons(st->transl);
-#endif
-					st->edns_query=0;
-				resetstate_tryagain:
-					st->myrid=get_rand16();
-					st->msg->hdr.id=htons(st->myrid);
-					st->state=(USE_UDP(st)?QS_UDPINITIAL:QS_TCPINITIAL);
-					goto tryagain;
-				}
-				else {
-					DEBUG_PDNSDA_MSG("Internal error: could not remove additional section from query"
-							 " to server %s\n", PDNSDA2STR(PDNSD_A(st)));
-				}
-			}
-		}
-
-	discard_reply:
-		/* report failure */
-		pdnsd_free(st->msg);
-		pdnsd_free(st->recvbuf);
-		/*close(st->sock);*/
-		st->state=QS_DONE;
-#if DEBUG>0
-		if(entp) {
-			DEBUG_PDNSDA_MSG("Discarding reply from server %s\n", PDNSDA2STR(PDNSD_A(st)));
-		}
-#endif
-		if (rv!=RC_OK)
-			return rv;
-
-		return RC_SERVFAIL; /* mock error code */
-
-	default: /* we shouldn't get here */
-		st->state=QS_DONE;
-		return RC_SERVFAIL; /* mock error code */
-	}
-
-        /* If we reach this code, we have successfully received an answer,
-	 * because we have returned error codes on errors or -1 on AGAIN conditions.
-	 * So we *should* have a usable dns record in recvbuf by now.
-	 */
-	rd= st->msg->hdr.rd; /* Save the 'Recursion Desired' bit of the query. */
-	pdnsd_free(st->msg);
-	if(entp) {
-		time_t queryts=time(NULL);
-		size_t lcnt= ((size_t)st->recvl) - sizeof(dns_hdr_t);
-		unsigned char *rrp=(unsigned char *)(st->recvbuf+1);
-		dns_cent_array secs[3]={NULL,NULL,NULL};
-#		define ans_sec  secs[0]
-#		define auth_sec secs[1]
-#		define add_sec  secs[2]
-		unsigned short qtype,flags,aa,neg_ans=0,reject_ans=0,num_ns=0;
-		int numoptrr;
-		edns_info_t ednsinfo= {0};
-
-		if (ntohs(st->recvbuf->qdcount)!=1) {
-			DEBUG_PDNSDA_MSG("Bad number of query records in answer from %s\n",
-					 PDNSDA2STR(PDNSD_A(st)));
-			rv=RC_SERVFAIL;
-			goto free_recvbuf_return;
-		}
-		/* check & skip the query record. */
-		{
-			unsigned char nbuf[DNSNAMEBUFSIZE];
-			if ((rv=decompress_name((unsigned char *)st->recvbuf, st->recvl, &rrp, &lcnt, nbuf, NULL))!=RC_OK) {
-				DEBUG_PDNSDA_MSG("Cannot decompress QNAME in answer from %s\n",
-						 PDNSDA2STR(PDNSD_A(st)));
-				rv=RC_SERVFAIL;
-				goto free_recvbuf_return;
-			}
-			if(!rhnicmp(nbuf,name)) {
-				DEBUG_PDNSDA_MSG("Answer from %s does not match query.\n",
-						 PDNSDA2STR(PDNSD_A(st)));
-				rv=RC_SERVFAIL;
-				goto free_recvbuf_return;
-			}
-		}
-
-		qtype=(st->lean_query?thint:QT_ALL);
-		if (lcnt<4) {
-			DEBUG_PDNSDA_MSG("Format error in reply from %s (message truncated in qtype or qclass).\n",
-					 PDNSDA2STR(PDNSD_A(st)));
-			rv=RC_SERVFAIL; /* mock error code */
-			goto free_recvbuf_return;
-		}
-		{
-			unsigned short qt,qc;
-			GETINT16(qt,rrp);
-			GETINT16(qc,rrp);
-			if(qt!=qtype) {
-				DEBUG_PDNSDA_MSG("qtype in answer (%u) from %s does not match expected qtype (%u).\n",
-						 qt,PDNSDA2STR(PDNSD_A(st)),qtype);
-				rv=RC_SERVFAIL;
-				goto free_recvbuf_return;
-			}
-		}
-		lcnt-=4;
-
-		st->aa= (st->recvbuf->aa && !st->failed);
-		st->tc= st->recvbuf->tc;
-		st->ra= (rd && st->recvbuf->ra);
-
-		/* Don't flag cache entries from a truncated reply as authoritative. */
-		aa= (st->aa && !st->tc);
-		flags=st->flags;
-		if (aa) flags|=CF_AUTH;
-
-
-		/* Initialize a dns_cent_t in the array for the answer section */
-		if (!(ans_sec=DA_GROW1(ans_sec))) {
-			rv=RC_FATALERR; /* unrecoverable error */
-			goto free_recvbuf_return;
-		}
-		/* By marking DF_AUTH, we mean authoritative AND complete. */
-		if (!init_cent(&DA_INDEX(ans_sec,0), name, 0, 0, (aa && qtype==QT_ALL)?DF_AUTH:0  DBG1)) {
-			rv=RC_FATALERR; /* unrecoverable error */
-			goto free_centarrays_recvbuf_return;
-		}
-
-		/* Now read the answer, authority and additional sections,
-		   storing the results in the arrays ans_sec,auth_sec and add_sec.
-		*/
-		numoptrr=0;
-		rv=rrs2cent((unsigned char *)st->recvbuf, st->recvl, &rrp, &lcnt, ntohs(st->recvbuf->ancount),
-			    flags, queryts, &ans_sec, &numoptrr, &ednsinfo);
-#if DEBUG>0
-		if(numoptrr!=0) {
-			DEBUG_MSG("Answer section in reply contains %d OPT pseudo-RRs!\n", numoptrr);
-		}
-#endif
-		numoptrr=0;
-		if(rv==RC_OK) {
-			uint16_t nscount=ntohs(st->recvbuf->nscount);
-			if (nscount) {
-				rv=rrs2cent((unsigned char *)st->recvbuf, st->recvl, &rrp, &lcnt, nscount,
-					    flags|CF_ADDITIONAL, queryts, &auth_sec, &numoptrr, &ednsinfo);
-#if DEBUG>0
-				if(numoptrr!=0) {
-					DEBUG_MSG("Authority section in reply contains %d OPT pseudo-RRs!\n", numoptrr);
-				}
-#endif
-			}
-		}
-
-		numoptrr=0;
-		if(rv==RC_OK) {
-			uint16_t arcount=ntohs(st->recvbuf->arcount);
-			if (arcount) {
-				rv=rrs2cent((unsigned char *)st->recvbuf, st->recvl, &rrp, &lcnt, arcount,
-					    flags|CF_ADDITIONAL, queryts, &add_sec, &numoptrr, &ednsinfo);
-				if(numoptrr!=0) {
-#if DEBUG>0
-					if(numoptrr!=1) {
-						DEBUG_MSG("Additional section in reply contains %d OPT pseudo-RRs!\n", numoptrr);
-					}
-					DEBUG_PDNSDA_MSG("Reply from %s contains OPT pseudosection: EDNS version = %u, udp size = %u, flag DO=%u\n",
-							 PDNSDA2STR(PDNSD_A(st)), ednsinfo.version, ednsinfo.udpsize, ednsinfo.do_flg);
-#endif
-					if(rcode!=ednsinfo.rcode) {
-						DEBUG_PDNSDA_MSG("Reply from %s contains unexpected EDNS rcode %u (%s)!\n",
-								 PDNSDA2STR(PDNSD_A(st)), ednsinfo.rcode, get_ename(ednsinfo.rcode));
-						rcode=ednsinfo.rcode;
-						/* Mark as failed, but use answer tentatively. */
-						if(!st->failed) st->failed=1;
-					}
-				}
-			}
-		}
-
-		if(!(rv==RC_OK || (rv==RC_TRUNC && st->recvbuf->tc))) {
-			DEBUG_PDNSDA_MSG(rv==RC_FORMAT?"Format error in reply from %s.\n":
-					 rv==RC_TRUNC?"Format error in reply from %s (message unexpectedly truncated).\n":
-					 rv==RC_SERVFAIL?"Inconsistent timestamps in reply from %s.\n":
-					 "Out of memory while processing reply from %s.\n",
-					 PDNSDA2STR(PDNSD_A(st)));
-			if(rv==RC_SERVFAIL) {
-				/* Inconsistent ttl timestamps and we are
-				   enforcing strict RFC 2181 compliance.
-				   Mark as failed, but use answer tentatively. */
-				if(!st->failed) st->failed=1;
-			}
-			else {
-				if(rv!=RC_FATALERR) rv=RC_SERVFAIL;
-				goto free_ent_centarrays_recvbuf_return;
-			}
-		}
-
-		{
-			/* Remember references to NS and SOA records in the answer or authority section
-			   so that we can add this information to our own reply. */
-			int i,n=DA_NEL(ans_sec);
-			for(i=0;i<n;++i) {
-				dns_cent_t *cent=&DA_INDEX(ans_sec,i);
-				unsigned scnt=rhnsegcnt(cent->qname);
-
-				if(getrrset_NS(cent))
-					cent->c_ns=scnt;
-				if(getrrset_SOA(cent))
-					cent->c_soa=scnt;
-
-				if((qtype>=QT_MIN && qtype<=QT_MAX) ||
-				   (/* (qtype>=T_MIN && qtype<=T_MAX) && */ getrrset(cent,qtype)) ||
-				   (n==1 && cent->num_rrs==0))
-				{
-					/* Match this name with names in the authority section */
-					int j,m=DA_NEL(auth_sec);
-					for(j=0;j<m;++j) {
-						dns_cent_t *ce=&DA_INDEX(auth_sec,j);
-						unsigned int ml,rem;
-						ml=domain_match(ce->qname,cent->qname, &rem, NULL);
-						if(rem==0 &&
-						   /* Don't accept records for the root domain from name servers
-						      that were not listed in the configuration file. */
-						   (ml || st->auth_serv!=2)) {
-							if(getrrset_NS(ce)) {
-								if(cent->c_ns==cundef || cent->c_ns<ml)
-									cent->c_ns=ml;
-							}
-							if(getrrset_SOA(ce)) {
-								if(cent->c_soa==cundef || cent->c_soa<ml)
-									cent->c_soa=ml;
-							}
-						}
-					}
-				}
-			}
-		}
-
-		/* Check whether the answer contains an IP address that should be rejected. */
-		if(have_rejectlist(st)) {
-			int i;
-			int na4=nreject_a4(st);
-			addr4maskpair_t *a4arr=rejectlist_a4(st);
-#if ALLOW_LOCAL_AAAA
-			int na6=nreject_a6(st);
-			addr6maskpair_t *a6arr=rejectlist_a6(st);
-#endif
-			/* Check addresses in the answer, authority and additional sections. */
-			for(i=0;i<3;++i) {
-				dns_cent_array sec=secs[i];
-				int j,nce=DA_NEL(sec);
-				for(j=0;j<nce;++j) {
-					dns_cent_t *cent=&DA_INDEX(sec,j);
-					rr_set_t *rrset=getrrset_A(cent);
-					if(rrset && na4) {
-						/* This is far from the world's most efficient matching algorithm,
-						   but it should work OK as long as the numbers involved are small.
-						*/
-						rr_bucket_t *rr;
-						for(rr=rrset->rrs; rr; rr=rr->next) {
-							struct in_addr *a=(struct in_addr *)(rr->data);
-							int k;
-							for(k=0;k<na4;++k) {
-								addr4maskpair_t *am = &a4arr[k];
-								if(ADDR4MASK_EQUIV(a,&am->a,&am->mask)) {
-#if DEBUG>0
-									unsigned char nmbuf[DNSNAMEBUFSIZE]; char abuf[ADDRSTR_MAXLEN];
-									DEBUG_PDNSDA_MSG("Rejecting answer from server %s because it contains an A record"
-											 " for \"%s\" with an address in the reject list: %s\n",
-											 PDNSDA2STR(PDNSD_A(st)),
-											 rhn2str(cent->qname,nmbuf,sizeof(nmbuf)),
-											 inet_ntop(AF_INET,a,abuf,sizeof(abuf)));
-#endif
-									reject_ans=1; goto rejectlist_scan_done;
-								}
-							}
-						}
-					}
-#if ALLOW_LOCAL_AAAA
-					rrset=getrrset_AAAA(cent);
-					if(rrset && na6) {
-						rr_bucket_t *rr;
-						for(rr=rrset->rrs; rr; rr=rr->next) {
-							struct in6_addr *a=(struct in6_addr *)(rr->data);
-							int k;
-							for(k=0;k<na6;++k) {
-								addr6maskpair_t *am = &a6arr[k];
-								if(ADDR6MASK_EQUIV(a,&am->a,&am->mask)) {
-#if DEBUG>0
-									unsigned char nmbuf[DNSNAMEBUFSIZE]; char abuf[INET6_ADDRSTRLEN];
-									DEBUG_PDNSDA_MSG("Rejecting answer from server %s because it contains an AAAA record"
-											 " for \"%s\" with an address in the reject list: %s\n",
-											 PDNSDA2STR(PDNSD_A(st)),
-											 rhn2str(cent->qname,nmbuf,sizeof(nmbuf)),
-											 inet_ntop(AF_INET6,a,abuf,sizeof(abuf)));
-#endif
-									reject_ans=1; goto rejectlist_scan_done;
-								}
-							}
-						}
-					}
-#endif
-				}
-			}
-		rejectlist_scan_done:;
-		}
-
-		/* negative caching for domains */
-		if (rcode==RC_NAMEERR) {
-			DEBUG_PDNSDA_MSG("Server %s returned error code: %s\n", PDNSDA2STR(PDNSD_A(st)),get_ename(rcode));
-		name_error:
-			neg_ans=1;
-			{
-				/* We did not get what we wanted. Cache according to policy */
-				dns_cent_t *ent=&DA_INDEX(ans_sec,0);
-				int neg_domain_pol=global.neg_domain_pol;
-				if (neg_domain_pol==C_ON || (neg_domain_pol==C_AUTH && st->aa)) {
-					time_t ttl=global.neg_ttl;
-
-					/* Try to find a SOA record that came with the reply.
-					 */
-					if(ent->c_soa!=cundef) {
-						unsigned scnt=rhnsegcnt(name);
-						dns_cent_t *cent;
-						if(ent->c_soa<scnt && (cent=lookup_cent_array(auth_sec,skipsegs(name,scnt-ent->c_soa)))) {
-							rr_set_t *rrset=getrrset_SOA(cent);
-							if (rrset && rrset->rrs) {
-								time_t min=soa_minimum(rrset->rrs);
-								ttl=rrset->ttl;
-								if(ttl>min)
-									ttl=min;
-							}
-						}
-					}
-					DEBUG_RHN_MSG("Caching domain %s negative with ttl %li\n",RHN2STR(name),(long)ttl);
-					negate_cent(ent,ttl,queryts);
-					if(st->nocache) ent->flags |= DF_NOCACHE;
-					goto cleanup_return_OK;
-				} else {
-					if(c_soa) *c_soa=ent->c_soa;
-					free_cent(ent  DBG1);
-					rv=RC_NAMEERR;
-					goto add_additional;
-				}
-			}
-		}
-
-		if(reject_ans) {
-			if(reject_policy(st)==C_NEGATE && st->failed<=1)
-				goto name_error;
-			else {
-				rv=RC_SERVFAIL;
-				goto free_ent_centarrays_recvbuf_return;
-			}
-		}
-
-		if(global.deleg_only_zones && st->auth_serv<3) { /* st->auth_serv==3 means this server is a root-server. */
-			int missingdelegation,authcnt;
-			/* The deleg_only_zones data may change due to runtime reconfiguration,
-			   therefore use locks. */
-			lock_server_data();
-			missingdelegation=0; authcnt=0;
-			{
-				int i,n=DA_NEL(global.deleg_only_zones); unsigned rem,zrem;
-				for(i=0;i<n;++i) {
-					if(domain_match(name,DA_INDEX(global.deleg_only_zones,i),&rem,&zrem) && zrem==0)
-						goto zone_match;
-				}
-				goto delegation_OK;
-			zone_match:
-				/* The name queried matches a delegation-only zone. */
-				if(rem) {
-					/* Check if we can find delegation in the answer or authority section. */
-					/* dns_cent_array secs[2]={ans_sec,auth_sec}; */
-					int j;
-					for(j=0;j<2;++j) {
-						dns_cent_array sec=secs[j];
-						int k,m=DA_NEL(sec);
-						for(k=0;k<m;++k) {
-							dns_cent_t *ce=&DA_INDEX(sec,k);
-							if(getrrset_NS(ce) || getrrset_SOA(ce)) {
-								/* Found a NS or SOA record in the answer or authority section. */
-								int l;
-								++authcnt;
-								for(l=0;l<n;++l) {
-									if(domain_match(ce->qname,DA_INDEX(global.deleg_only_zones,l),&rem,&zrem) && zrem==0) {
-										if(rem) break;
-										else    goto try_next_auth;
-									}
-								}
-								goto delegation_OK;
-							}
-						try_next_auth:;
-						}
-					}
-#if DEBUG>0
-					{
-						unsigned char nmbuf[DNSNAMEBUFSIZE],zbuf[DNSNAMEBUFSIZE];
-						DEBUG_PDNSDA_MSG(authcnt?"%s is in %s zone, but no delegation found in answer returned by server %s\n"
-								 :"%s is in %s zone, but no authority information provided by server %s\n",
-								 rhn2str(name,nmbuf,sizeof(nmbuf)), rhn2str(DA_INDEX(global.deleg_only_zones,i),zbuf,sizeof(zbuf)),
-								 PDNSDA2STR(PDNSD_A(st)));
-					}
-#endif
-					missingdelegation=1;
-				}
-			delegation_OK:;
-			}
-			unlock_server_data();
-
-			if(missingdelegation) {
-				if(authcnt && st->failed<=1) {
-					/* Treat this as a nonexistant name. */
-					goto name_error;
-				}
-				else if(st->auth_serv<2) {
-					/* If this is one of the servers obtained from the list
-					   pdnsd was configured with, treat this as a failure.
-					   Hopefully one of the other servers in the list will
-					   return a non-empty authority section.
-					*/
-					rv=RC_SERVFAIL;
-					goto free_ent_centarrays_recvbuf_return;
-				}
-			}
-		}
-
-		{
-			/* Negative caching of rr sets */
-			dns_cent_t *ent=&DA_INDEX(ans_sec,0);
-
-			if(!ent->num_rrs) neg_ans=1;
-
-			if (thint>=T_MIN && thint<=T_MAX && !getrrset(ent,thint) && !st->tc && st->failed<=1) {
-				/* We did not get what we wanted. Cache according to policy */
-				int neg_rrs_pol=global.neg_rrs_pol;
-				if (neg_rrs_pol==C_ON || (neg_rrs_pol==C_AUTH && aa) ||
-				    (neg_rrs_pol==C_DEFAULT && (aa || st->ra)))
-				{
-					time_t ttl=global.neg_ttl;
-					rr_set_t *rrset=getrrset_SOA(ent);
-					dns_cent_t *cent;
-					unsigned scnt;
-					/* If we received a SOA, we should take the ttl of that record. */
-					if ((rrset && rrset->rrs) ||
-					    /* Try to find a SOA record higher up the hierarchy that came with the reply. */
-					    ((cent=lookup_cent_array(auth_sec,
-								     (ent->c_soa!=cundef && ent->c_soa<(scnt=rhnsegcnt(name)))?
-								     skipsegs(name,scnt-ent->c_soa):
-								     name)) &&
-					     (rrset=getrrset_SOA(cent)) && rrset->rrs))
-					{
-						time_t min=soa_minimum(rrset->rrs);
-						ttl=rrset->ttl;
-						if(ttl>min)
-							ttl=min;
-					}
-					DEBUG_RHN_MSG("Caching type %s for domain %s negative with ttl %li\n",getrrtpname(thint),RHN2STR(name),(long)ttl);
-					if (!add_cent_rrset_by_type(ent, thint, ttl, queryts, CF_NEGATIVE|flags  DBG1)) {
-						rv=RC_FATALERR;
-						goto free_ent_centarrays_recvbuf_return;
-					}
-				}
-			}
-		}
-
-		if (st->failed<=1) {
-			/* The domain names of all name servers found in the answer and authority sections are placed in *ns,
-			   which is automatically grown. */
-			/* dns_cent_array secs[2]={ans_sec,auth_sec}; */
-			int i;
-			for(i=0;i<2;++i) {
-				dns_cent_array sec=secs[i];
-				int j,n=DA_NEL(sec);
-				for(j=0;j<n;++j) {
-					dns_cent_t *cent=&DA_INDEX(sec,j);
-					unsigned int rem;
-					/* Don't accept records for the root domain from name servers
-					   that were not listed in the configuration file. */
-					if((*(cent->qname) || st->auth_serv!=2) &&
-					   /* Don't accept possibly poisoning nameserver entries in paranoid mode */
-					   (st->trusted || !st->nsdomain || (domain_match(st->nsdomain, cent->qname, &rem,NULL),rem==0)) &&
-					   /* The following test is actually redundant and should never fail. */
-					   *(cent->qname)!=0xff)
-					{
-						/* Some nameservers obviously choose to send SOA records instead of NS ones.
-						 * Although I think that this is poor behaviour, we'll have to work around that. */
-						static const unsigned short nstypes[2]={T_NS,T_SOA};
-						int k;
-						for(k=0;k<2;++k) {
-							rr_set_t *rrset=getrrset(cent,nstypes[k]);
-							if(rrset) {
-								rr_bucket_t *rr;
-								unsigned short first=1;
-								for(rr=rrset->rrs; rr; rr=rr->next) {
-									size_t sz1,sz2;
-									unsigned char *p;
-									/* Skip duplicate records */
-									for(p=dlist_first(*ns); p; p=dlist_next(p)) {
-										if(rhnicmp(*p==0xff?p+1:skiprhn(p),(unsigned char *)(rr->data)))
-											goto next_nsr;
-									}
-									/* add to the nameserver list.
-									   Here we use a little compression trick: if
-									   the first byte of a name is 0xff, this means
-									   repeat the previous name.
-									 */
-									sz1= (first?rhnlen(cent->qname):1);
-									sz2=rhnlen((unsigned char *)(rr->data));
-									if (!(*ns=dlist_grow(*ns,sz1+sz2))) {
-										rv=RC_FATALERR;
-										goto free_ent_centarrays_recvbuf_return;
-									}
-									p=dlist_last(*ns);
-									if(first) {
-										first=0;
-										p=mempcpy(p,cent->qname,sz1);
-									}
-									else
-										*p++ = 0xff;  /* 0xff means 'idem' */
-									/* This will only copy the first name, which is the NS */
-									memcpy(p,(unsigned char *)(rr->data),sz2);
-									++num_ns;
-								next_nsr:;
-								}
-							}
-						}
-					}
-				}
-			}
-		}
-	cleanup_return_OK:
-		if(st->failed && neg_ans && num_ns==0) {
-			DEBUG_PDNSDA_MSG("Answer from server %s does not contain usable records.\n",
-					 PDNSDA2STR(PDNSD_A(st)));
-			rv=RC_SERVFAIL;
-			goto free_ns_ent_centarrays_recvbuf_return;
-		}
-		if(!(*entp=malloc(sizeof(dns_cent_t)))) {
-			rv=RC_FATALERR;
-			goto free_ns_ent_centarrays_recvbuf_return;
-		}
-		**entp=DA_INDEX(ans_sec,0);
-		rv=RC_OK;
-	add_additional:
-		if (!st->failed && !reject_ans) {
-			/* Add the additional RRs to the cache. */
-			/* dns_cent_array secs[3]={ans_sec,auth_sec,add_sec}; */
-			int i;
-#if DEBUG>0
-			if(debug_p && neg_ans) {
-				int j,n=DA_NEL(ans_sec);
-				for(j=1; j<n; ++j) {
-					unsigned char nmbuf[DNSNAMEBUFSIZE],nmbuf2[DNSNAMEBUFSIZE];
-					DEBUG_PDNSDA_MSG("Reply from %s is negative for %s, dropping record(s) for %s in answer section.\n",
-							 PDNSDA2STR(PDNSD_A(st)),
-							 rhn2str(name,nmbuf,sizeof(nmbuf)),
-							 rhn2str(DA_INDEX(ans_sec,j).qname,nmbuf2,sizeof(nmbuf2)));
-				}
-			}
-#endif
-			for(i=neg_ans; i<3; ++i) {
-				dns_cent_array sec=secs[i];
-				int j,n=DA_NEL(sec);
-				/* The first entry in the answer section is treated separately, so skip that one. */
-				for(j= !i; j<n; ++j) {
-					dns_cent_t *cent=&DA_INDEX(sec,j);
-					if(*(cent->qname) || st->auth_serv!=2) {
-						unsigned int rem;
-						if(st->trusted || !st->nsdomain || (domain_match(st->nsdomain, cent->qname, &rem, NULL),rem==0))
-							add_cache(cent);
-						else {
-#if DEBUG>0
-							unsigned char nmbuf[DNSNAMEBUFSIZE],nsbuf[DNSNAMEBUFSIZE];
-							DEBUG_MSG("Record for %s not in nsdomain %s; dropped.\n",
-								  rhn2str(cent->qname,nmbuf,sizeof(nmbuf)),rhn2str(st->nsdomain,nsbuf,sizeof(nsbuf)));
-#endif
-						}
-					}
-					else {
-#if DEBUG>0
-						static const char *const secname[3]={"answer","authority","additional"};
-						DEBUG_PDNSDA_MSG("Record(s) for root domain in %s section from %s dropped.\n", secname[i],PDNSDA2STR(PDNSD_A(st)));
-#endif
-					}
-				}
-			}
-		}
-		goto free_centarrays_recvbuf_return;
-
-	free_ns_ent_centarrays_recvbuf_return:
-		dlist_free(*ns); *ns=NULL;
-	free_ent_centarrays_recvbuf_return:
-		if(DA_NEL(ans_sec)>=1) free_cent(&DA_INDEX(ans_sec,0)  DBG1);
-	free_centarrays_recvbuf_return:
-		{
-			/* dns_cent_array secs[3]={ans_sec,auth_sec,add_sec}; */
-			int i;
-			for(i=0;i<3;++i) {
-				dns_cent_array sec=secs[i];
-				int j,n=DA_NEL(sec);
-				/* The first entry in the answer section is treated separately, so skip that one. */
-				for(j= !i; j<n; ++j)
-					free_cent(&DA_INDEX(sec,j)  DBG1);
-
-				da_free(sec);
-			}
-		}
-#undef          ans_sec
-#undef          auth_sec
-#undef          add_sec
-	}
- free_recvbuf_return:
-	pdnsd_free(st->recvbuf);
-	return rv;
-}
-
-/*
- * Cancel a query, freeing all resources. Any query state is valid as input (this may even be called
- * if a call to p_exec_query already returned error or success)
- */
-static void p_cancel_query(query_stat_t *st)
-{
-	switch (st->state) {
-	QS_WRITE_CASES:
-	QS_READ_CASES:
-		close(st->sock);
-		/* fall through */
-	case QS_TCPINITIAL:
-	case QS_UDPINITIAL:
-		pdnsd_free(st->recvbuf);
-		pdnsd_free(st->msg);
-	}
-	if(st->state!=QS_INITIAL && st->state!=QS_DONE)
-		st->state=QS_CANCELED;
-}
-
-#if 0
-/*
- * Initialize a query_serv_t (server list for parallel query)
- * This is there for historical reasons only.
- */
-inline static void init_qserv(query_stat_array *q)
-{
-	*q=NULL;
-}
-#endif
-
-/*
- * Add a server entry to a query_serv_t
- * Note: only a reference to nsdomain is copied, not the name itself.
- * Be sure to free the q-list before freeing the name.
- */
-static int add_qserv(query_stat_array *q, pdnsd_a2 *a, int port, time_t timeout, unsigned flags,
-		     char nocache, char lean_query, char edns_query, char auth_s, char needs_testing, char trusted,
-		     const unsigned char *nsdomain, rejectlist_t *rejectlist)
-{
-	query_stat_t *qs;
-
-	if ((*q=DA_GROW1(*q))==NULL) {
-		DEBUG_MSG("Out of memory in add_qserv()\n");
-		return 0;
-	}
-
-	qs=&DA_LAST(*q);
-#ifdef ENABLE_IPV4
-	if (run_ipv4) {
-		memset(&qs->a.sin4,0,sizeof(qs->a.sin4));
-		qs->a.sin4.sin_family=AF_INET;
-		qs->a.sin4.sin_port=htons(port);
-		qs->a.sin4.sin_addr=a->ipv4;
-		SET_SOCKA_LEN4(qs->a.sin4);
-	}
-#endif
-#ifdef ENABLE_IPV6
-	ELSE_IPV6 {
-		memset(&qs->a.sin6,0,sizeof(qs->a.sin6));
-		qs->a.sin6.sin6_family=AF_INET6;
-		qs->a.sin6.sin6_port=htons(port);
-		qs->a.sin6.sin6_flowinfo=IPV6_FLOWINFO;
-		qs->a.sin6.sin6_addr=a->ipv6;
-		SET_SOCKA_LEN6(qs->a.sin6);
-
-		qs->a4fallback=a->ipv4;
-	}
-#endif
-	qs->timeout=timeout;
-	qs->flags=flags;
-	qs->nocache=nocache;
-	qs->auth_serv=auth_s;
-	qs->lean_query=lean_query;
-	qs->edns_query=edns_query;
-	qs->needs_testing=needs_testing;
-	qs->trusted=trusted;
-	qs->aa=0;
-	qs->tc=0;
-	qs->ra=0;
-	qs->failed=0;
-	qs->nsdomain=nsdomain; /* Note: only a reference is copied, not the name itself! */
-	qs->rejectlist=rejectlist;
-
-	qs->state=QS_INITIAL;
-	qs->qm=global.query_method;
-	qs->s_errno=0;
-	return 1;
-}
-
-/* Test whether two pdnsd_a2 addresses are the same. */
-inline __attribute__((always_inline))
-static int same_inaddr2_2(pdnsd_a2 *a, pdnsd_a2 *b)
-{
-  return SEL_IPVER(  a->ipv4.s_addr==b->ipv4.s_addr,
-		     IN6_ARE_ADDR_EQUAL(&a->ipv6,&b->ipv6) &&
-		      a->ipv4.s_addr==b->ipv4.s_addr );
-}
-
-/* This can be used to check whether a server address was already used in a
-   previous query_stat_t entry. */
-inline static int query_stat_same_inaddr2(query_stat_t *qs, pdnsd_a2 *b)
-{
-  return SEL_IPVER(  qs->a.sin4.sin_addr.s_addr==b->ipv4.s_addr,
-		     IN6_ARE_ADDR_EQUAL(&qs->a.sin6.sin6_addr,&b->ipv6) &&
-		      qs->a4fallback.s_addr==b->ipv4.s_addr );
-}
-
-
-/*
- * Free resources used by a query_serv_t
- * There for historical reasons only.
- */
-inline static void del_qserv(query_stat_array q)
-{
-	da_free(q);
-}
-
-struct qstatnode_s {
-	query_stat_array    qa;
-	struct qstatnode_s  *next;
-};
-typedef struct qstatnode_s qstatnode_t;
-
-struct qhintnode_s {
-	const unsigned char *nm;
-	int                 tp;
-	struct qhintnode_s  *next;
-};
-/* typedef struct qhintnode_s qhintnode_t; */  /* Already defined in dns_query.h */
-
-static int auth_ok(query_stat_array q, const unsigned char *name, int thint, dns_cent_t *ent,
-		   int hops, qstatnode_t *qslist, qhintnode_t *qhlist,
-		   query_stat_t *qse, dlist ns, query_stat_array *serv);
-static int p_dns_cached_resolve(query_stat_array q, const unsigned char *name, int thint, dns_cent_t **cachedp,
-				int hops, qstatnode_t *qslist, qhintnode_t *qhlist, time_t queryts,
-				unsigned char *c_soa);
-static int simple_dns_cached_resolve(atup_array atup_a, int port, char edns_query, time_t timeout,
-				     const unsigned char *name, int thint, dns_cent_t **cachedp);
-
-
-/*
- * Performs a semi-parallel query on the servers in q. PAR_QUERIES are executed parallel at a time.
- * name is the query name in dns protocol format (number.string etc),
- * ent is the dns_cent_t that will be filled.
- * hops is the number of recursions left.
- * qslist should refer to a list of server arrays used higher up in the calling chain. This way we can
- * avoid name servers that have already been tried for this name.
- * qhlist should refer to a list of names that we are trying to resolve higher up in the calling chain.
- * These names should be avoided further down the chain, or we risk getting caught in a wasteful cycle.
- * thint is a hint on the requested query type used to decide whether an aa record must be fetched
- * or a non-authoritative answer will be enough.
- *
- * nocache is needed because we add AA records to the cache. If the nocache flag is set, we do not
- * take the original values for the record, but flags=0 and ttl=0 (but only if we do not already have
- * a cached record for that set). These settings cause the record be purged on the next cache addition.
- * It will also not be used again.
- *
- * The return value of p_recursive_query() has the same meaning as that of p_dns_cached_resolve()
- * (see below).
- */
-static int p_recursive_query(query_stat_array q, const unsigned char *name, int thint, dns_cent_t **entp,
-			     int *nocache, int hops, qstatnode_t *qslist, qhintnode_t *qhlist,
-			     unsigned char *c_soa)
-{
-	dns_cent_t *ent,*entsave=NULL;
-	int i,j,k;
-	int rv=RC_SERVFAIL;
-	int qualval=0;
-	query_stat_t *qse=NULL;  /* Initialized to inhibit compiler warning */
-	dlist ns=NULL,nssave=NULL;
-	query_stat_array serv=NULL,servsave=NULL;
-
-#       define W_AUTHOK    8
-#       define W_NOTFAILED 2
-#       define W_NOTTRUNC  1
-#       define NOTFAILMASK 6
-#       define GOODQUAL    (W_AUTHOK+3*W_NOTFAILED)
-#	define save_query_result(ent,qs,ns,serv,authok)						\
-	{											\
-		int qval = authok*W_AUTHOK + (3-qs->failed)*W_NOTFAILED + (!qs->tc)*W_NOTTRUNC; \
-		if(entsave && qval>qualval) {							\
-			/* Free the old copy, because the new result is better. */		\
-			free_cent(entsave DBG1);						\
-			pdnsd_free(entsave);							\
-			entsave=NULL;								\
-			del_qserv(servsave);							\
-			dlist_free(nssave);							\
-		}										\
-		if(!entsave) {									\
-			entsave=ent;								\
-			servsave=serv;								\
-			/* The serv array contains references to data within the ns list,	\
-			   so we need to save a copy of the ns list as well! */			\
-			if(DA_NEL(serv)>0) nssave=ns; else {nssave=NULL;dlist_free(ns);}	\
-			qualval=qval;								\
-			qse=qs;									\
-		}										\
-		else {										\
-			/* We already have a copy, free the present one. */			\
-			free_cent(ent DBG1);							\
-			pdnsd_free(ent);							\
-			del_qserv(serv);							\
-			dlist_free(ns);								\
-		}										\
-		serv=NULL;									\
-		ns=NULL;									\
-	}
-
-	{
-		time_t ts0=time(NULL),global_timeout=global.timeout;
-		int dc=0,mc=0,nq=DA_NEL(q),parqueries=global.par_queries;
-
-		for (j=0; j<nq; j += parqueries) {
-			mc=j+parqueries;
-			if (mc>nq) mc=nq;
-
-			/* First, call p_exec_query once for each parallel set to initialize.
-			 * Then, as long as not all have the state QS_DONE or we have a timeout,
-			 * build a poll/select set for all active queries and call them accordingly. */
-			for (i=dc;i<mc;i++) {
-				query_stat_t *qs=&DA_INDEX(q,i);
-				if(i>=j) {
-					/* The below should not happen any more, but may once again
-					 * (immediate success) */
-					DEBUG_PDNSDA_MSG("Sending query to %s\n", PDNSDA2STR(PDNSD_A(qs)));
-				retryquery:
-					rv=p_exec_query(&ent, name, thint, qs,&ns,c_soa);
-					if (rv==RC_OK) {
-						int authok;
-						DEBUG_PDNSDA_MSG("Query to %s succeeded.\n", PDNSDA2STR(PDNSD_A(qs)));
-						if((authok=auth_ok(q, name, thint, ent, hops, qslist, qhlist, qs, ns, &serv))) {
-							if(authok>=0) {
-								if(!qs->failed
-#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
-								   && !(qs->qm==UDP_TCP && qs->tc)
-#endif
-								  )
-								{
-									qse=qs;
-									mc=i; /* No need to cancel queries beyond i */
-									goto done;
-								}
-							}
-							else {
-								mc=i; /* No need to cancel queries beyond i */
-								goto free_ent_return_failed;
-							}
-						}
-						/* We do not have a satisfactory answer.
-						   However, we will save a copy in case none of the other
-						   servers in the q list give a satisfactory answer either.
-						 */
-						save_query_result(ent,qs,ns,serv,authok);
-#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
-						if(qs->qm==UDP_TCP && qs->tc) {
-							switch_to_tcp(qs);
-							DEBUG_PDNSDA_MSG("Reply from %s was truncated. Trying again using TCP.\n",
-									 PDNSDA2STR(PDNSD_A(qs)));
-							goto retryquery;
-						}
-#endif
-					}
-					else if (rv==RC_NAMEERR || rv==RC_FATALERR) {
-						mc=i; /* No need to cancel queries beyond i */
-						goto done;
-					}
-				}
-				if (qs->state==QS_DONE && i==dc)
-					dc++;
-			}
-			if (dc<mc) {
-				time_t ts,maxto,now;
-				int pc,nevents;
-#ifdef NO_POLL
-				int maxfd;
-				fd_set reads;
-				fd_set writes;
-				struct timeval tv;
-#else
-				int ic;
-				struct pollfd polls[mc-dc];  /* Variable length array, may cause portability problems */
-#endif
-				/* we do time keeping by hand, because poll/select might be interrupted and
-				 * the returned times are not always to be trusted upon */
-				ts=time(NULL);
-				do {
-					/* build poll/select sets, maintain time.
-					 * If you do parallel queries, the highest timeout will be honored
-					 * also for the other servers when their timeout is exceeded and
-					 * the highest is not.
-					 * Changed by Paul Rombouts: queries are not canceled until we receive
-					 * a useful reply or everything has failed or timed out (also taking into
-					 * account the global timeout option).
-					 * Thus in the worst case all the queries in the q list will be active
-					 * simultaneously. The downside is that we may be wasting more resources
-					 * this way. The advantage is that we have a greater chance of catching a
-					 * reply. After all, if we wait longer anyway, why not for more servers. */
-					maxto=0;
-					pc=0;
-					rv=RC_SERVFAIL;
-
-#ifdef NO_POLL
-					FD_ZERO(&reads);
-					FD_ZERO(&writes);
-					maxfd=0;
-#endif
-					for (i=dc;i<mc;i++) {
-						query_stat_t *qs=&DA_INDEX(q,i);
-						if (qs->state!=QS_DONE) {
-							if (i>=j && qs->timeout>maxto)
-								maxto=qs->timeout;
-#ifdef NO_POLL
-							if (qs->sock>maxfd) {
-								maxfd=qs->sock;
-								PDNSD_ASSERT(maxfd<FD_SETSIZE,"socket file descriptor exceeds FD_SETSIZE.");
-							}
-
-							switch (qs->state) {
-							QS_READ_CASES:
-								FD_SET(qs->sock,&reads);
-								break;
-							QS_WRITE_CASES:
-								FD_SET(qs->sock,&writes);
-								break;
-							}
-#else
-							polls[pc].fd=qs->sock;
-							switch (qs->state) {
-							QS_READ_CASES:
-								polls[pc].events=POLLIN;
-								break;
-							QS_WRITE_CASES:
-								polls[pc].events=POLLOUT;
-								break;
-							default:
-								polls[pc].events=0;
-							}
-#endif
-							pc++;
-						}
-					}
-					if (pc==0) {
-						/* In this case, ALL are done and we do not need to cancel any
-						 * query. */
-						dc=mc;
-						break;
-					}
-					now=time(NULL);
-					maxto -= now-ts;
-					if (mc==nq) {
-#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
-						/* Don't use the global timeout if there are TCP queries
-						   we might want to retry using UDP. */
-						for (i=j;i<mc;i++) {
-							query_stat_t *qs=&DA_INDEX(q,i);
-							if(tentative_tcp_query(qs))
-								goto skip_globto;
-						}
-#endif
-						{
-							time_t globto=global_timeout-(now-ts0);
-							if(globto>maxto) maxto=globto;
-						}
-#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
-					skip_globto:;
-#endif
-					}
-#ifdef NO_POLL
-					tv.tv_sec=(maxto>0)?maxto:0;
-					tv.tv_usec=0;
-					nevents=select(maxfd+1,&reads,&writes,NULL,&tv);
-#else
-					nevents=poll(polls,pc,(maxto>0)?(maxto*1000):0);
-#endif
-					if (nevents<0) {
-						/* if(errno==EINTR)
-							continue; */
-						log_warn("poll/select failed: %s",strerror(errno));
-						goto done;
-					}
-					if (nevents==0) {
-						/* We have timed out. Mark the unresponsive servers so that we can consider
-						   them for retesting later on. We will continue to listen for replies from
-						   these servers as long as we have additional servers to try. */
-						for (i=j;i<mc;i++) {
-							query_stat_t *qs=&DA_INDEX(q,i);
-							if (qs->state!=QS_DONE && qs->needs_testing)
-								qs->needs_testing=2;
-#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
-							if (tentative_tcp_query(qs)) {
-								/* We timed out while waiting for a TCP connection.
-								   Try again using UDP.
-								*/
-								close(qs->sock);
-								switch_to_udp(qs);
-								DEBUG_PDNSDA_MSG("TCP connection to %s timed out. Trying to use UDP.\n",
-										 PDNSDA2STR(PDNSD_A(qs)));
-
-								rv=p_exec_query(&ent, name, thint, qs,&ns,c_soa);
-								/* In the unlikely case of immediate success */
-								if (rv==RC_OK) {
-									int authok;
-									DEBUG_PDNSDA_MSG("Query to %s succeeded.\n", PDNSDA2STR(PDNSD_A(qs)));
-									if((authok=auth_ok(q, name, thint, ent, hops, qslist, qhlist, qs, ns, &serv))) {
-										if(authok>=0) {
-											if(!qs->failed) {
-												qse=qs;
-												goto done;
-											}
-										}
-										else
-											goto free_ent_return_failed;
-									}
-									save_query_result(ent,qs,ns,serv,authok);
-								}
-								else if (rv==RC_NAMEERR || rv==RC_FATALERR) {
-									goto done;
-								}
-								++nevents;
-							}
-#endif
-						}
-#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
-						if (mc==nq) {
-							/* We will not try additional servers, but we might want to try again
-							   using UDP instead of TCP
-							*/
-							if(nevents && (time(NULL)-ts0)<global_timeout)
-								continue;
-						}
-#endif
-						break;
-					}
-#ifndef NO_POLL
-					ic=0;
-#endif
-					for (i=dc;i<mc;i++) {
-						query_stat_t *qs=&DA_INDEX(q,i);
-						/* Check if we got a poll/select event */
-						if (qs->state!=QS_DONE) {
-							int srv_event=0;
-							/* This detection may seem suboptimal, but normally, we have at most 2-3 parallel
-							 * queries, and anything else would be higher overhead, */
-#ifdef NO_POLL
-							switch (qs->state) {
-							QS_READ_CASES:
-								srv_event=FD_ISSET(qs->sock,&reads);
-								break;
-							QS_WRITE_CASES:
-								srv_event=FD_ISSET(qs->sock,&writes);
-								break;
-							}
-#else
-							do {
-								PDNSD_ASSERT(ic<pc, "file descriptor not found in poll() array");
-								k=ic++;
-							} while(polls[k].fd!=qs->sock);
-							/*
-							 * In case of an error, reenter the state machine
-							 * to catch it.
-							 */
-							switch (qs->state) {
-							QS_READ_CASES:
-								srv_event=polls[k].revents&(POLLIN|POLLERR|POLLHUP|POLLNVAL);
-								break;
-							QS_WRITE_CASES:
-								srv_event=polls[k].revents&(POLLOUT|POLLERR|POLLHUP|POLLNVAL);
-								break;
-							}
-#endif
-							if (srv_event) {
-								--nevents;
-							retryquery2:
-								rv=p_exec_query(&ent, name, thint, qs,&ns,c_soa);
-								if (rv==RC_OK) {
-									int authok;
-									DEBUG_PDNSDA_MSG("Query to %s succeeded.\n", PDNSDA2STR(PDNSD_A(qs)));
-									if((authok=auth_ok(q, name, thint, ent, hops, qslist, qhlist, qs, ns, &serv))) {
-										if(authok>=0) {
-											if(!qs->failed
-#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
-											   && !(qs->qm==UDP_TCP && qs->tc)
-#endif
-											  )
-											{
-												qse=qs;
-												goto done;
-											}
-										}
-										else
-											goto free_ent_return_failed;
-									}
-									save_query_result(ent,qs,ns,serv,authok);
-#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
-									if(qs->qm==UDP_TCP && qs->tc) {
-										switch_to_tcp(qs);
-										DEBUG_PDNSDA_MSG("Reply from %s was truncated. Trying again using TCP.\n",
-												 PDNSDA2STR(PDNSD_A(qs)));
-										goto retryquery2;
-									}
-#endif
-								}
-								else if (rv==RC_NAMEERR || rv==RC_FATALERR) {
-									goto done;
-								}
-							}
-						}
-						/* recheck, this might have changed after the last p_exec_query */
-						if (qs->state==QS_DONE && i==dc)
-							dc++;
-					}
-					if(nevents>0) {
-						/* We have not managed to handle all the events reported by poll/select.
-						   Better call it quits, or we risk getting caught in a wasteful cycle.
-						*/
-						if(++poll_errs<=MAXPOLLERRS)
-							log_error("%d unhandled poll/select event(s) in p_recursive_query() at %s, line %d.",nevents,__FILE__,__LINE__);
-						rv=RC_SERVFAIL;
-						goto done;
-					}
-				} while (dc<mc);
-			}
-		}
-		goto cancel_queries;
-	free_ent_return_failed:
-		free_cent(ent  DBG1);
-		pdnsd_free(ent);
-		rv=RC_FATALERR;
-	done:
-		if (entsave) {
-			/* We have or will get an authoritative answer, or we have encountered an error.
-			   Free the non-authoritative answer. */
-			free_cent(entsave DBG1);
-			pdnsd_free(entsave);
-			entsave=NULL;
-			del_qserv(servsave);
-			dlist_free(nssave);
-		}
-	cancel_queries:
-		/* Cancel any remaining queries. */
-		for (i=dc;i<mc;i++)
-			p_cancel_query(&DA_INDEX(q,i));
-
-		{
-			/* See if any servers need to be retested for availability.
-			   We build up a list of addresses rather than call
-			   sched_server_test() separately for each address to
-			   reduce the overhead caused by locking and signaling */
-			int n=0;
-			for (i=0;i<mc;i++)
-				if (DA_INDEX(q,i).needs_testing > 1)
-					++n;
-			if(n>0) {
-				pdnsd_a addrs[n]; /* variable length array */
-				k=0;
-				for (i=0;i<mc;i++) {
-					query_stat_t *qs=&DA_INDEX(q,i);
-					if (qs->needs_testing > 1)
-						addrs[k++]= *PDNSD_A(qs);
-				}
-				sched_server_test(addrs,n,-1);
-			}
-		}
-	}
-
-	if(entsave) {
-		/*
-		 * If we didn't get rrs from any of the authoritative servers, or the answers were
-		 * unsatisfactory for another reason, take the one we had.
-		 * However, raise the CF_NOCACHE flag, so that it won't be used again (outside the
-		 * cache latency period).
-		 */
-		DEBUG_PDNSDA_MSG("Using %s reply from %s.\n",
-				 !(qualval&NOTFAILMASK)? "reportedly failed":
-				 !(qualval&W_NOTFAILED)? "inconsistent":
-				 !(qualval&W_NOTTRUNC)? "truncated":
-				 !(qualval&W_AUTHOK)? "non-authoritative": "good",
-				 PDNSDA2STR(PDNSD_A(qse)));
-		ent=entsave;
-		serv=servsave;
-		ns=nssave;
-		if(qualval<GOODQUAL) {
-			if(!(ent->flags&DF_NEGATIVE)) {
-				int jlim= RRARR_LEN(ent);
-				for (j=0; j<jlim; ++j) {
-					rr_set_t *rrs= RRARR_INDEX(ent,j);
-					if (rrs)
-						rrs->flags |= CF_NOCACHE;
-				}
-			}
-			else    /* Very unlikely, but not impossible. */
-				ent->flags |= DF_NOCACHE;
-		}
-		rv=RC_OK;
-	}
-	else if (rv!=RC_OK) {
-		if(rv==RC_FATALERR) {
-			DEBUG_MSG("Unrecoverable error encountered while processing query.\n");
-			rv=RC_SERVFAIL;
-		}
-		DEBUG_MSG("%sReturning error code \"%s\"\n",
-			  rv!=RC_NAMEERR? "No query succeeded. ": "",
-			  get_ename(rv));
-		goto clean_up_return;
-	}
-
-	if(nocache) *nocache=qse->nocache;
-
-	if (DA_NEL(serv)>0) {
-		/* Authority records present. Ask them, because the answer was non-authoritative. */
-		qstatnode_t qsn={q,qslist};
-		unsigned char save_ns=ent->c_ns,save_soa=ent->c_soa;
-		
-		if(qse->aa || qse->ra) {
-			/* The server claimed to be authoritative or have recursion available,
-			   yet we did not completely trust the answer for some reason.
-			   We will try to ask the servers in the authority records,
-			   but in case we fail, we will save a copy of the answer. */
-			entsave=ent;
-		}
-		else {
-			free_cent(ent  DBG1);
-			pdnsd_free(ent);
-			entsave=NULL;
-		}
-		rv=p_dns_cached_resolve(serv, name, thint,&ent,hops-1,&qsn,qhlist,time(NULL),c_soa);
-		if(rv==RC_OK || rv==RC_CACHED || (rv==RC_STALE && !entsave)) {
-			if(save_ns!=cundef && (ent->c_ns==cundef || ent->c_ns<save_ns))
-				ent->c_ns=save_ns;
-			if(save_soa!=cundef && (ent->c_soa==cundef || ent->c_soa<save_soa))
-				ent->c_soa=save_soa;
-			goto free_entsave;
-		}
-		else if(rv==RC_NAMEERR) {
-			if(c_soa && save_soa!=cundef && (*c_soa==cundef || *c_soa<save_soa))
-				*c_soa=save_soa;
-		free_entsave:
-			if(entsave) {
-				free_cent(entsave  DBG1);
-				pdnsd_free(entsave);
-			}
-		}
-		else if(entsave) {
-			if(rv==RC_STALE) {
-				free_cent(ent  DBG1);
-				pdnsd_free(ent);
-			}
-			DEBUG_PDNSDA_MSG("Using saved reply from %s that claims to %s.\n",
-					 PDNSDA2STR(PDNSD_A(qse)),
-					 qse->aa? "be authoritative": "have recursion available");
-			ent=entsave;
-			rv=RC_OK;
-		}
-	}
-
- clean_up_return:
-	/* Always free the serv array before freeing the ns list,
-	   because the serv array contains references to data within the ns list! */
-	del_qserv(serv);
-	dlist_free(ns);
-
-	if(rv==RC_OK || rv==RC_CACHED || rv==RC_STALE) *entp=ent;
-	return rv;
-#	undef save_query_result
-}
-
-/* auth_ok returns 1 if we don't need an authoritative answer or
-   if we can find servers to ask for an authoritative answer.
-   In the latter case these servers will be added to the *serv list.
-   A return value of 0 means the answer is not satisfactory in the
-   previous sense.
-   A return value of -1 indicates an error.
-*/
-static int auth_ok(query_stat_array q, const unsigned char *name, int thint, dns_cent_t *ent,
-		   int hops, qstatnode_t *qslist, qhintnode_t *qhlist,
-		   query_stat_t *qse, dlist ns, query_stat_array *serv)
-{
-	int retval=0;
-
-	/* If the answer was obtained from a name server which returned a failure code,
-	   the answer is never satisfactory. */
-	if(qse->failed > 1) return 0;
-
-	/*
-	  Look into the query type hint. If it is a wildcard (QT_*), we need an authoritative answer.
-	  Same if there is no record that answers the query.
-	  This test will also succeed if we have a negative cached record. This is done purposely.
-	*/
-#define aa_needed ((thint>=QT_MIN && thint<=QT_MAX) || \
-	           ((thint>=T_MIN && thint<=T_MAX) && \
-		    (!have_rr(ent,thint) && !have_rr_CNAME(ent))))
-
-	/* We will want to query authoritative servers if all of the following conditions apply:
-
-	   1) The server from which we got the answer was not configured as "proxy only".
-	   2) The answer is not a negatively cached domain (i.e. the server did not reply with NXDOMAIN).
-	   3) The query type is a wild card (QT_*), or no record answers the query.
-	   4) The answer that we have is non-authoritative.
-	*/
-	if(!(qse->auth_serv && !(ent->flags&DF_NEGATIVE) && aa_needed))
-		return 1;
-
-	if(qse->aa) {
-		/* The reply we have claims to be authoritative.
-		   However, I have seen cases where name servers raise the authority flag incorrectly (groan...),
-		   so as a work-around, we will check whether the domains for which the servers in the ns
-		   list are responsible, match the queried name better than the domain for which the
-		   last server was responsible. */
-		unsigned char *nsdomain;
-
-		if(!qse->nsdomain)
-			return 1;
-
-		nsdomain=dlist_first(ns);
-		if(!nsdomain)
-			return 1;
-		for(;;) {
-			unsigned int rem,crem;
-			domain_match(nsdomain,qse->nsdomain,&rem,&crem);
-			if(!(rem>0 && crem==0))
-				return 1;
-			domain_match(nsdomain,name,&rem,NULL);
-			if(rem!=0)
-				return 1;
-			do {
-				nsdomain=dlist_next(nsdomain);
-				if(!nsdomain)
-					goto done_checkauth;
-			} while(*nsdomain==0xff);  /* Skip repeats. */
-		}
-	done_checkauth:;
-
-		/* The name servers in the ns list are a better match for the queried name than
-		   the server from which we got the last reply, so ignore the aa flag.
-		*/
-#if DEBUG>0
-		if(debug_p) {
-			unsigned char dbuf[DNSNAMEBUFSIZE],sdbuf[DNSNAMEBUFSIZE];
-			nsdomain=dlist_first(ns);
-			DEBUG_PDNSDA_MSG("The name server %s which is responsible for the %s domain, raised the aa flag, but appears to delegate to the sub-domain %s\n",
-					 PDNSDA2STR(PDNSD_A(qse)),
-					 rhn2str(qse->nsdomain,dbuf,sizeof(dbuf)),
-					 rhn2str(nsdomain,sdbuf,sizeof(sdbuf)));
-		}
-#endif
-	}
-
-	/* The answer was non-authoritative. Try to build a list of addresses of authoritative servers. */
-	if (hops>0) {
-		unsigned char *nsdomp, *nsdomain=NULL;
-		rr_set_t *localrrset=NULL;
-		rr_bucket_t *localrr=NULL;
-		for (nsdomp=dlist_first(ns);;) {
-			unsigned char *nsname=NULL;  /* Initialize to inhibit compiler warning. */
-			int nserva, ia, n;
-			pdnsd_a2 serva[MAXNAMESERVIPS];
-
-			/* Get next name server. */
-			if(localrr) {
-				/* Use next locally defined NS record. */
-				nsname=(unsigned char *)(localrr->data);
-				localrr= localrr->next;
-			}
-			else {
-				if(localrrset) {
-					/* clean up rrset */
-					del_rrset(localrrset  DBG1);
-					localrrset=NULL;
-				}
-				if(!nsdomp)
-					break;
-				else if(*nsdomp!=0xff) {
-					/* New domain. */
-					nsdomain=nsdomp;
-					if (global.paranoid) {
-						unsigned int rem;
-						/* paranoia mode: don't query name servers that are not responsible */
-						domain_match(nsdomain,name,&rem,NULL);
-						if (rem!=0) {
-#if DEBUG>0
-							unsigned char nmbuf[DNSNAMEBUFSIZE],dbuf[DNSNAMEBUFSIZE],nsbuf[DNSNAMEBUFSIZE];
-							DEBUG_MSG("The name server %s is responsible for the %s domain, which does not match %s\n",
-								  rhn2str(nsname,nsbuf,sizeof(nsbuf)),
-								  rhn2str(nsdomain,dbuf,sizeof(dbuf)),
-								  rhn2str(name,nmbuf,sizeof(nmbuf)));
-#endif
-							/* Skip records in ns list for the same domain. */
-							do {
-								nsdomp=dlist_next(nsdomp);
-							} while (nsdomp && *nsdomp==0xff);
-							continue;
-						}
-					}
-					/*   Check if we have locally defined NS records, because
-					     they will override the ones provided by remote servers.
-					*/
-					localrrset=lookup_cache_local_rrset(nsdomain,T_NS);
-					if(localrrset) {
-						/* Skip records in ns list for the same domain. */
-						do {
-							nsdomp=dlist_next(nsdomp);
-						} while (nsdomp && *nsdomp==0xff);
-						localrr=localrrset->rrs;
-						if(!localrr) continue;
-						nsname=(unsigned char *)(localrr->data);
-						localrr= localrr->next;
-					}
-					else {
-						nsname=skiprhn(nsdomp);
-						nsdomp=dlist_next(nsdomp);
-					}
-				}
-				else {
-					/* domain repeated. */
-					nsname= nsdomp+1;
-					nsdomp=dlist_next(nsdomp);
-				}
-			}
-			/* look it up in the cache or resolve it if needed.
-			   The records received should be in the cache now, so it's ok.
-			*/
-			nserva=0;
-
-			{
-				const unsigned char *nm=name;
-				int tp=thint;
-				qhintnode_t *ql=qhlist;
-
-				for(;;) {
-					if(rhnicmp(nm,nsname) && tp==T_A) {
-						DEBUG_RHN_MSG("Not looking up address for name server \"%s\": "
-							      "risk of infinite recursion.\n",RHN2STR(nsname));
-						goto skip_server;
-					}
-					if(!ql) break;
-					nm=ql->nm;
-					tp=ql->tp;
-					ql=ql->next;
-				}
-				{
-					qhintnode_t qhn={name,thint,qhlist};
-					dns_cent_t *servent;
-					if (r_dns_cached_resolve(nsname,T_A, &servent, hops-1, &qhn,time(NULL),NULL)==RC_OK) {
-#ifdef ENABLE_IPV4
-						if (run_ipv4) {
-							rr_set_t *rrset=getrrset_A(servent);
-							rr_bucket_t *rrs;
-							if (rrset)
-								for(rrs=rrset->rrs; rrs && nserva<MAXNAMESERVIPS; rrs=rrs->next)
-									serva[nserva++].ipv4 = *((struct in_addr *)rrs->data);
-						}
-#endif
-#ifdef ENABLE_IPV6
-						ELSE_IPV6 {
-							rr_set_t *rrset6=getrrset_AAAA(servent);
-							rr_bucket_t *rrs6= (rrset6? rrset6->rrs: NULL);
-							rr_set_t *rrset4=getrrset_A(servent);
-							rr_bucket_t *rrs4= (rrset4? rrset4->rrs: NULL);
-							while(nserva<MAXNAMESERVIPS) {
-								if(rrs6) {
-									serva[nserva].ipv6 = *((struct in6_addr *)rrs6->data);
-									rrs6=rrs6->next;
-									if (rrs4) {
-										/* Store IPv4 address as fallback. */
-										serva[nserva].ipv4 = *((struct in_addr *)rrs4->data);
-										rrs4=rrs4->next;
-									}
-									else
-										serva[nserva].ipv4.s_addr=INADDR_ANY;
-								}
-								else if (rrs4) {
-									struct in_addr *ina = (struct in_addr *)rrs4->data;
-									struct in6_addr *in6a = &serva[nserva].ipv6;
-									IPV6_MAPIPV4(ina,in6a);
-									serva[nserva].ipv4.s_addr=INADDR_ANY;
-									rrs4=rrs4->next;
-								}
-								else
-									break;
-								++nserva;
-							}
-						}
-#endif
-						free_cent(servent  DBG1);
-						pdnsd_free(servent);
-					}
-				}
-			}
-
-#if DEBUG>0
-			if(nserva==0) {
-				DEBUG_RHN_MSG("Looking up address for name server \"%s\" failed.\n",RHN2STR(nsname));
-			}
-#endif
-			n=DA_NEL(*serv);
-			for(ia=0; ia<nserva; ++ia) {
-				pdnsd_a2 *pserva= &serva[ia];
-				int i;
-
-				if(is_local_addr(PDNSD_A2_TO_A(pserva)))
-					continue;  /* Do not use local address (as defined in netdev.c). */
-
-				/* Skip duplicate addresses. */
-				for (i=0; i<n; ++i) {
-					query_stat_t *qs=&DA_INDEX(*serv,i);
-					if (query_stat_same_inaddr2(qs,pserva))
-						goto skip_server_addr;
-				}
-
-				{       /* We've got an address. Add it to the list if it wasn't one of the servers we queried. */
-					query_stat_array qa=q;
-					qstatnode_t *ql=qslist;
-					for(;;) {
-						int i,n=DA_NEL(qa);
-						for (i=0; i<n; ++i) {
-							/* If qa[i].state == QS_DONE, then p_exec_query() has been called,
-							   and we should not query this server again */
-							query_stat_t *qs=&DA_INDEX(qa,i);
-							if (qs->state==QS_DONE && equiv_inaddr2(PDNSD_A(qs),pserva)) {
-								DEBUG_PDNSDA_MSG("Not trying name server %s, already queried.\n", PDNSDA2STR(PDNSD_A2_TO_A(pserva)));
-								goto skip_server_addr;
-							}
-						}
-						if(!ql) break;
-						qa=ql->qa;
-						ql=ql->next;
-					}
-				}
-
-				/* lean query mode is inherited. CF_AUTH and CF_ADDITIONAL are not (as specified
-				 * in CFF_NOINHERIT). */
-				if (!add_qserv(serv, pserva, 53, qse->timeout, qse->flags&~CFF_NOINHERIT, 0,
-					       qse->lean_query,qse->edns_query,2,0,!global.paranoid,nsdomain,
-					       inherit_rejectlist(qse)?qse->rejectlist:NULL))
-				{
-					return -1;
-				}
-				retval=1;
-			skip_server_addr:;
-			}
-		skip_server:;
-		}
-#if DEBUG>0
-		if(!retval) {
-			DEBUG_PDNSDA_MSG("No remaining authoritative name servers to try in authority section from %s.\n", PDNSDA2STR(PDNSD_A(qse)));
-		}
-#endif
-	}
-	else {
-		DEBUG_MSG("Maximum hops count reached; not trying any more name servers.\n");
-	}
-
-	return retval;
-
-#undef  aa_needed
-}
-
-/*
- * This checks the given name to resolve against the access list given for the server using the
- * include=, exclude= and policy= parameters.
- */
-static int use_server(servparm_t *s, const unsigned char *name)
-{
-	int i,n=DA_NEL(s->alist);
-
-	for (i=0;i<n;i++) {
-		slist_t *sl=&DA_INDEX(s->alist,i);
-		unsigned int nrem,lrem;
-		domain_match(name,sl->domain,&nrem,&lrem);
-		if(!lrem && (!sl->exact || !nrem))
-			return sl->rule==C_INCLUDED;
-	}
-
-	if (s->policy==C_SIMPLE_ONLY || s->policy==C_FQDN_ONLY) {
-                if(rhnsegcnt(name)<=1)
-			return s->policy==C_SIMPLE_ONLY;
-                else
-			return s->policy==C_FQDN_ONLY;
-        }
-
-	return s->policy==C_INCLUDED;
-}
-
-#if ALLOW_LOCAL_AAAA
-#define serv_has_rejectlist(s) ((s)->reject_a4!=NULL || (s)->reject_a6!=NULL)
-#else
-#define serv_has_rejectlist(s) ((s)->reject_a4!=NULL)
-#endif
-
-/* Take the lists of IP addresses from a server section sp and
-   convert them into a form that can be used by p_exec_query().
-   If successful, add_rejectlist returns a new list which is added to the old list rl,
-   otherwise the return value is NULL.
-*/
-static rejectlist_t *add_rejectlist(rejectlist_t *rl, servparm_t *sp)
-{
-	int i,na4=DA_NEL(sp->reject_a4);
-	addr4maskpair_t *a4p;
-#if ALLOW_LOCAL_AAAA
-	int na6=DA_NEL(sp->reject_a6);
-	addr6maskpair_t *a6p;
-#endif
-	rejectlist_t *rlist = malloc(sizeof(rejectlist_t) + na4*sizeof(addr4maskpair_t)
-#if ALLOW_LOCAL_AAAA
-				     + na6*sizeof(addr6maskpair_t)
-#endif
-				     );
-
-	if(rlist) {
-#if ALLOW_LOCAL_AAAA
-		/* Store the larger IPv6 addresses first to avoid possible alignment problems. */
-		rlist->na6 = na6;
-		a6p = (addr6maskpair_t *)rlist->rdata;
-		for(i=0;i<na6;++i)
-			*a6p++ = DA_INDEX(sp->reject_a6,i);
-#endif
-		rlist->na4 = na4;
-#if ALLOW_LOCAL_AAAA
-		a4p = (addr4maskpair_t *)a6p;
-#else
-		a4p = (addr4maskpair_t *)rlist->rdata;
-#endif
-		for(i=0;i<na4;++i)
-			*a4p++ = DA_INDEX(sp->reject_a4,i);
-
-		rlist->policy = sp->rejectpolicy;
-		rlist->inherit = sp->rejectrecursively;
-		rlist->next = rl;
-	}
-	else {
-		DEBUG_MSG("Out of memory in add_rejectlist()\n");
-	}
-
-	return rlist;
-}
-
-inline static void free_rejectlist(rejectlist_t *rl)
-{
-	while(rl) {
-		rejectlist_t *next = rl->next;
-		free(rl);
-		rl=next;
-	}
-}
-
-/* Lookup addresses of nameservers provided by root servers for a given domain in the cache.
-   Returns NULL if unsuccessful (or the cache entries have timed out).
-*/
-static addr2_array lookup_ns(const unsigned char *domain)
-{
-	addr2_array res=NULL;
-
-	dns_cent_t *cent=lookup_cache(domain,NULL);
-	if(cent) {
-		rr_set_t *rrset=getrrset_NS(cent);
-		if(rrset && (rrset->flags&CF_ROOTSERV) && !timedout(rrset)) {
-			rr_bucket_t *rr;
-			for(rr=rrset->rrs; rr; rr=rr->next) {
-				dns_cent_t *servent=lookup_cache((unsigned char*)(rr->data),NULL);
-				int nserva=0;
-				pdnsd_a2 serva[MAXNAMESERVIPS];
-				if(servent) {
-#ifdef ENABLE_IPV4
-					if (run_ipv4) {
-						rr_set_t *rrset=getrrset_A(servent);
-						rr_bucket_t *rrs;
-						if (rrset && !timedout(rrset))
-							for(rrs=rrset->rrs; rrs && nserva<MAXNAMESERVIPS; rrs=rrs->next)
-								serva[nserva++].ipv4 = *((struct in_addr *)rrs->data);
-					}
-#endif
-#ifdef ENABLE_IPV6
-					ELSE_IPV6 {
-						rr_set_t *rrset6=getrrset_AAAA(servent);
-						rr_set_t *rrset4=getrrset_A(servent);
-						rr_bucket_t *rrs6=NULL, *rrs4=NULL;
-						if (rrset6 && !(rrset6->flags&CF_NEGATIVE)) {
-							if(!timedout(rrset6)) {
-								rrs6= rrset6->rrs;
-								if (rrs6 && rrset4 && !(rrset4->flags&CF_NEGATIVE)) {
-									if(timedout(rrset4) || !(rrs4=rrset4->rrs))
-										/* Treat this as a failure. */
-										rrs6=NULL;
-								}
-							}
-						}
-						else if (rrset4 && !timedout(rrset4))
-							rrs4= rrset4->rrs;
-
-						while(nserva<MAXNAMESERVIPS) {
-							if(rrs6) {
-								serva[nserva].ipv6 = *((struct in6_addr *)rrs6->data);
-								rrs6=rrs6->next;
-								if (rrs4) {
-									/* Store IPv4 address as fallback. */
-									serva[nserva].ipv4 = *((struct in_addr *)rrs4->data);
-									rrs4=rrs4->next;
-								}
-								else
-									serva[nserva].ipv4.s_addr=INADDR_ANY;
-							}
-							else if (rrs4) {
-								struct in_addr *ina = (struct in_addr *)rrs4->data;
-								struct in6_addr *in6a = &serva[nserva].ipv6;
-								IPV6_MAPIPV4(ina,in6a);
-								serva[nserva].ipv4.s_addr=INADDR_ANY;
-								rrs4=rrs4->next;
-							}
-							else
-								break;
-							++nserva;
-						}
-					}
-#endif
-					free_cent(servent  DBG1);
-					pdnsd_free(servent);
-				}
-				if(nserva==0) {
-					/* Address lookup failed. */
-					da_free(res); res=NULL;
-					break;
-				}
-				else {
-					int i, j, n=DA_NEL(res);
-					for(i=0; i<nserva; ++i) {
-						pdnsd_a2 *pserva= &serva[i];
-						/* Skip duplicates */
-						for (j=0; j<n; ++j) {
-							pdnsd_a2 *pa= &DA_INDEX(res,j);
-							if (same_inaddr2_2(pa,pserva))
-								goto skip_address;
-						}
-						if(!(res=DA_GROW1(res))) {
-							DEBUG_MSG("Out of memory in lookup_ns()\n");
-							goto free_cent_return;
-						}
-						DA_LAST(res)= *pserva;
-					skip_address:;
-					}
-				}
-			}
-		}
-	free_cent_return:
-		free_cent(cent  DBG1);
-		pdnsd_free(cent);
-	}
-
-	return res;
-}
-
-
-/* Find addresses of root servers by looking them up in the cache or querying (non-recursively)
-   the name servers in the list provided.
-   Returns NULL if unsuccessful (or the cache entries have timed out).
-*/
-addr2_array dns_rootserver_resolv(atup_array atup_a, int port, char edns_query, time_t timeout)
-{
-	addr2_array res=NULL;
-	dns_cent_t *cent;
-	static const unsigned char rdomain[1]={0};  /* root-domain name. */
-	int rc;
-
-	rc=simple_dns_cached_resolve(atup_a,port,edns_query,timeout,rdomain,T_NS,&cent);
-	if(rc==RC_OK) {
-		rr_set_t *rrset=getrrset_NS(cent);
-		if(rrset) {
-			rr_bucket_t *rr;
-			unsigned nfail=0;
-			for(rr=rrset->rrs; rr; rr=rr->next) {
-				dns_cent_t *servent;
-				int nserva=0;
-				pdnsd_a2 serva[MAXNAMESERVIPS];
-
-				rc=simple_dns_cached_resolve(atup_a,port,edns_query,timeout,
-							     (const unsigned char *)(rr->data),T_A,&servent);
-				if(rc==RC_OK) {
-#ifdef ENABLE_IPV4
-					if (run_ipv4) {
-						rr_set_t *rrset=getrrset_A(servent);
-						rr_bucket_t *rrs;
-						if (rrset)
-							for(rrs=rrset->rrs; rrs && nserva<MAXNAMESERVIPS; rrs=rrs->next)
-								serva[nserva++].ipv4 = *((struct in_addr *)rrs->data);
-					}
-#endif
-#ifdef ENABLE_IPV6
-					ELSE_IPV6 {
-						rr_set_t *rrset6=getrrset_AAAA(servent);
-						rr_bucket_t *rrs6= (rrset6? rrset6->rrs: NULL);
-						rr_set_t *rrset4=getrrset_A(servent);
-						rr_bucket_t *rrs4= (rrset4? rrset4->rrs: NULL);
-						while(nserva<MAXNAMESERVIPS) {
-							if(rrs6) {
-								serva[nserva].ipv6 = *((struct in6_addr *)rrs6->data);
-								rrs6=rrs6->next;
-								if (rrs4) {
-									/* Store IPv4 address as fallback. */
-									serva[nserva].ipv4 = *((struct in_addr *)rrs4->data);
-									rrs4=rrs4->next;
-								}
-								else
-									serva[nserva].ipv4.s_addr=INADDR_ANY;
-							}
-							else if (rrs4) {
-								struct in_addr *ina = (struct in_addr *)rrs4->data;
-								struct in6_addr *in6a = &serva[nserva].ipv6;
-								IPV6_MAPIPV4(ina,in6a);
-								serva[nserva].ipv4.s_addr=INADDR_ANY;
-								rrs4=rrs4->next;
-							}
-							else
-								break;
-							++nserva;
-						}
-					}
-#endif
-					free_cent(servent  DBG1);
-					pdnsd_free(servent);
-				}
-				else {
-					DEBUG_RHN_MSG("Simple query for %s type A failed (rc: %s)\n",
-						      RHN2STR((const unsigned char *)(rr->data)),get_ename(rc));
-				}
-
-				if(nserva==0) {
-					/* Address lookup failed. */
-					DEBUG_RHN_MSG("Failed to obtain address of root server %s in dns_rootserver_resolv()\n",
-						      RHN2STR((const unsigned char *)(rr->data)));
-					++nfail;
-				}
-				else {
-					int i, j, n=DA_NEL(res);
-					for(i=0; i<nserva; ++i) {
-						pdnsd_a2 *pserva= &serva[i];
-						/* Skip duplicates */
-						for (j=0; j<n; ++j) {
-							pdnsd_a2 *pa= &DA_INDEX(res,j);
-							if (same_inaddr2_2(pa,pserva))
-								goto skip_address;
-						}
-						if(!(res=DA_GROW1(res))) {
-							DEBUG_MSG("Out of memory in dns_rootserver_resolv()\n");
-							goto free_cent_return;
-						}
-						DA_LAST(res)= *pserva;
-					skip_address:;
-					}
-				}
-			}
-			/* At least half of the names should resolve, otherwise we reject the result. */
-			if(nfail>DA_NEL(res)) {
-				DEBUG_MSG("Too many root-server resolve failures (%u succeeded, %u failed),"
-					  " rejecting the result.\n", DA_NEL(res),nfail);
-				da_free(res); res=NULL;
-			}
-		}
-	free_cent_return:
-		free_cent(cent  DBG1);
-		pdnsd_free(cent);
-	}
-	else {
-		DEBUG_MSG("Simple query for root domain type NS failed (rc: %s)\n",get_ename(rc));
-	}
-
-	return res;
-}
-
-
-static int p_dns_resolve(const unsigned char *name, int thint, dns_cent_t **cachedp, int hops, qhintnode_t *qhlist,
-			 unsigned char *c_soa)
-{
-	int i,n,rc;
-	int one_up=0,seenrootserv=0;
-	query_stat_array serv=NULL;
-	rejectlist_t *rejectlist=NULL;
-
-	/* try the servers in the order of their definition */
-	lock_server_data();
-	n=DA_NEL(servers);
-	for (i=0;i<n;++i) {
-		servparm_t *sp=&DA_INDEX(servers,i);
-		if(sp->rootserver<=1 && use_server(sp,name)) {
-			int m=DA_NEL(sp->atup_a);
-			if(m>0) {
-				rejectlist_t *rjl=NULL;
-				int j=0, jstart=0;
-				if(sp->rand_servers) j=jstart=random()%m;
-				do {
-					atup_t *at=&DA_INDEX(sp->atup_a,j);
-					if (at->is_up) {
-						if(sp->rootserver) {
-							if(!seenrootserv) {
-								int nseg,mseg=1,l=0;
-								const unsigned char *topdomain=NULL;
-								addr2_array adrs=NULL;
-								seenrootserv=1;
-								nseg=rhnsegcnt(name);
-								if(nseg>=2) {
-									static const unsigned char rhn_arpa[6]= {4,'a','r','p','a',0};
-									unsigned int rem;
-									/* Check if the queried name ends in "arpa" */
-									domain_match(rhn_arpa, name, &rem,NULL);
-									if(rem==0) mseg=3;
-								}
-								if(nseg<=mseg) {
-									if(nseg>0) mseg=nseg-1; else mseg=0;
-								}
-								for(;mseg>=1; --mseg) {
-									topdomain=skipsegs(name,nseg-mseg);
-									adrs=lookup_ns(topdomain);
-									l=DA_NEL(adrs);
-									if(l>0) break;
-									if(adrs) da_free(adrs);
-								}
-								if(l>0) {
-									/* The name servers for this top level domain have been found in the cache.
-									   Instead of asking the root server, we will use this cached information.
-									*/
-									int k=0, kstart=0;
-									if(sp->rand_servers) k=kstart=random()%l;
-									if(serv_has_rejectlist(sp) && sp->rejectrecursively && !rjl) {
-										rjl=add_rejectlist(rejectlist,sp);
-										if(!rjl) {one_up=0; da_free(adrs); goto done;}
-										rejectlist=rjl;
-									}
-									do {
-										one_up=add_qserv(&serv, &DA_INDEX(adrs,k), 53, sp->timeout,
-												 mk_flag_val(sp)&~CFF_NOINHERIT, sp->nocache,
-												 sp->lean_query, sp->edns_query, 2, 0,
-												 !global.paranoid, topdomain, rjl);
-										if(!one_up) {
-											da_free(adrs);
-											goto done;
-										}
-										if(++k==l) k=0;
-									} while(k!=kstart);
-									da_free(adrs);
-									DEBUG_PDNSDA_MSG("Not querying root-server %s, using cached information instead.\n",
-											 PDNSDA2STR(PDNSD_A2_TO_A(&at->a)));
-									seenrootserv=2;
-									break;
-								}
-							}
-							else if(seenrootserv==2)
-								break;
-						}
-						if(serv_has_rejectlist(sp) && !rjl) {
-							rjl=add_rejectlist(rejectlist,sp);
-							if(!rjl) {one_up=0; goto done;}
-							rejectlist=rjl;
-						}
-						one_up=add_qserv(&serv, &at->a, sp->port, sp->timeout,
-								 mk_flag_val(sp), sp->nocache, sp->lean_query, sp->edns_query,
-								 sp->rootserver?3:(!sp->is_proxy),
-								 needs_testing(sp), 1, NULL, rjl);
-						if(!one_up)
-							goto done;
-					}
-					if(++j==m) j=0;
-				} while(j!=jstart);
-			}
-		}
-	}
- done:
-	unlock_server_data();
-	if (one_up) {
-		dns_cent_t *cached;
-		int nocache;
-		rc=p_recursive_query(serv, name, thint, &cached, &nocache, hops, NULL, qhlist, c_soa);
-		if (rc==RC_OK) {
-			if (!nocache) {
-				dns_cent_t *tc;
-				add_cache(cached);
-				if ((tc=lookup_cache(name,NULL))) {
-					/* The cache may hold more information  than the recent query yielded.
-					 * try to get the merged record. If that fails, revert to the new one. */
-					free_cent(cached  DBG1);
-					pdnsd_free(cached);
-					cached=tc;
-					/* rc=RC_CACHED; */
-				} else
-					DEBUG_MSG("p_dns_resolve: merging answer with cache failed, using local cent copy.\n");
-			} else
-				DEBUG_MSG("p_dns_resolve: nocache.\n");
-
-			*cachedp=cached;
-		}
-		else if(rc==RC_CACHED || rc==RC_STALE)
-			*cachedp=cached;
-	}
-	else {
-		DEBUG_MSG("No server is marked up and allowed for this domain.\n");
-		rc=RC_SERVFAIL; /* No server up */
-	}
-	del_qserv(serv);
-	free_rejectlist(rejectlist);
-	return rc;
-}
-
-static int set_flags_ttl(unsigned short *flags, time_t *ttl, dns_cent_t *cached, int tp)
-{
-	rr_set_t *rrset=getrrset(cached,tp);
-	if (rrset) {
-		time_t t;
-		*flags|=rrset->flags;
-		t=rrset->ts+CLAT_ADJ(rrset->ttl);
-		if (!*ttl || *ttl>t)
-			*ttl=t;
-		return 1;
-	}
-	return 0;
-}
-
-static void set_all_flags_ttl(unsigned short *flags, time_t *ttl, dns_cent_t *cached)
-{
-	int i, ilim= RRARR_LEN(cached);
-
-	for(i=0; i<ilim; ++i) {
-		rr_set_t *rrset= RRARR_INDEX(cached,i);
-		if (rrset) {
-			time_t t;
-			*flags|=rrset->flags;
-			t=rrset->ts+CLAT_ADJ(rrset->ttl);
-			if (!*ttl || *ttl>t)
-				*ttl=t;
-		}
-	}
-}
-
-/*
-  Lookup name in the cache, and if records of type thint are found, check whether a requery is needed.
-  Possible returns values are:
-    RC_OK:        the name is locally defined.
-    RC_NAMEERR:   the name is locally negatively cached.
-    RC_CACHED:    name was found in the cache, requery not needed.
-    RC_STALE:     name was found in the cache, but requery is needed.
-    RC_NOTCACHED: name was not found in the cache.
-*/
-static int lookup_cache_status(const unsigned char *name, int thint, dns_cent_t **cachedp, unsigned short *flagsp,
-			       time_t queryts, unsigned char *c_soa)
-{
-	dns_cent_t *cached;
-	int rc=RC_NOTCACHED;
-	int wild=0;
-	unsigned short flags=0;
-
-	if ((cached=lookup_cache(name,&wild))) {
-		short int neg=0,timed=0,need_req=0;
-		time_t ttl=0;
-
-		if (cached->flags&DF_LOCAL) {
-#if DEBUG>0
-			{
-				char dflagstr[DFLAGSTRLEN];
-				DEBUG_RHN_MSG("Entry found in cache for '%s' with dflags=%s.\n",
-					      RHN2STR(cached->qname),dflags2str(cached->flags,dflagstr));
-			}
-#endif
-			if((cached->flags&DF_NEGATIVE) || wild==w_locnerr) {
-				if(c_soa) {
-					if(cached->c_soa!=cundef)
-						*c_soa=cached->c_soa;
-					else if(have_rr_SOA(cached))
-						*c_soa=rhnsegcnt(cached->qname);
-					else {
-						unsigned char *owner=getlocalowner(cached->qname,T_SOA);
-						if(owner)
-							*c_soa=rhnsegcnt(owner);
-					}
-				}
-				free_cent(cached  DBG1);
-				pdnsd_free(cached);
-				rc= RC_NAMEERR;
-				goto return_rc;
-			}
-			else {
-				rc= RC_OK;
-				goto return_rc_cent;
-			}
-		}
-		DEBUG_RHN_MSG("Record found in cache for %s\n",RHN2STR(cached->qname));
-		if (cached->flags&DF_NEGATIVE) {
-			if ((ttl=cached->neg.ts+CLAT_ADJ(cached->neg.ttl))>=queryts)
-				neg=1;
-			else
-				timed=1;
-		} else {
-			if (thint==QT_ALL) {
-				set_all_flags_ttl(&flags, &ttl, cached);
-			}
-			else if (!set_flags_ttl(&flags, &ttl, cached, T_CNAME) || (getrrset_CNAME(cached)->flags&CF_NEGATIVE)) {
-				flags=0; ttl=0;
-				if (thint>=T_MIN && thint<=T_MAX) {
-					if (set_flags_ttl(&flags, &ttl, cached, thint))
-						neg=getrrset(cached,thint)->flags&CF_NEGATIVE && ttl>=queryts;
-				}
-				else if (thint==QT_MAILB) {
-					set_flags_ttl(&flags, &ttl, cached, T_MB);
-					set_flags_ttl(&flags, &ttl, cached, T_MG);
-					set_flags_ttl(&flags, &ttl, cached, T_MR);
-				}
-				else if (thint==QT_MAILA) {
-					set_flags_ttl(&flags, &ttl, cached, T_MD);
-					set_flags_ttl(&flags, &ttl, cached, T_MF);
-				}
-			}
-			if(!(flags&CF_LOCAL)) {
-				if (thint==QT_ALL) {
-					if(!(cached->flags&DF_AUTH))
-						need_req=1;
-				}
-				else if (thint>=QT_MIN && thint<=QT_MAX) {
-					if(!(flags&CF_AUTH && !(flags&CF_ADDITIONAL)))
-						need_req=1;
-				}
-				if (ttl<queryts)
-					timed=1;
-			}
-		}
-#if DEBUG>0
-		{
-			char dflagstr[DFLAGSTRLEN],cflagstr[CFLAGSTRLEN];
-			DEBUG_MSG("Requery decision: dflags=%s, cflags=%s, req=%i, neg=%i, timed=%i, %s=%li\n",
-				  dflags2str(cached->flags,dflagstr),cflags2str(flags,cflagstr),need_req,neg,timed,
-				  ttl?"ttl":"timestamp",(long)(ttl?(ttl-queryts):ttl));
-		}
-#endif
-		rc = (!neg && (need_req || timed))? RC_STALE: RC_CACHED;
-	return_rc_cent:
-		*cachedp=cached;
-	}
-
-return_rc:
-	if(flagsp) *flagsp=flags;
-	return rc;
-}
-
-
-/*
- * Resolve records for name into dns_cent_t, type thint.
- * q is the set of servers to query from. Set q to NULL if you want to ask the servers registered with pdnsd.
- * qslist should refer to a list of server arrays already used higher up the calling chain (may be NULL).
- * p_dns_cached_resolve() returns one of the following values:
- *   RC_OK  means that the name was successfully resolved by querying other servers.
- *   RC_CACHED or RC_STALE means that the name was found in the cache.
- *   RC_NAMEERR or RC_SERVFAIL indicates a resolve error.
- */
-static int p_dns_cached_resolve(query_stat_array q, const unsigned char *name, int thint, dns_cent_t **cachedp,
-				int hops, qstatnode_t *qslist, qhintnode_t *qhlist, time_t queryts,
-				unsigned char *c_soa)
-{
-	dns_cent_t *cached=NULL;
-	int rc;
-	unsigned short flags=0;
-
-	DEBUG_RHN_MSG("Starting cached resolve for: %s, query %s\n",RHN2STR(name),get_tname(thint));
-	rc= lookup_cache_status(name, thint, &cached, &flags,queryts,c_soa);
-	if(rc==RC_OK) {
-		/* Locally defined record. */
-		*cachedp=cached;
-		return RC_CACHED;
-	}
-	else if(rc==RC_NAMEERR)  /* Locally negated name. */
-		return RC_NAMEERR;
-
-	/* update server records set onquery */
-	if(global.onquery) test_onquery();
-	if (global.lndown_kluge && !(flags&CF_LOCAL)) {
-		int i,n,linkdown=1;
-		lock_server_data();
-		n=DA_NEL(servers);
-		for(i=0;i<n;++i) {
-			servparm_t *sp=&DA_INDEX(servers,i);
-			if(sp->rootserver<=1) {
-				int j,m=DA_NEL(sp->atup_a);
-				for(j=0;j<m;++j) {
-					if (DA_INDEX(sp->atup_a,j).is_up) {
-						linkdown=0;
-						goto done;
-					}
-				}
-			}
-		}
-	done:
-		unlock_server_data();
-		if (linkdown) {
-			DEBUG_MSG("Link is down.\n");
-			rc=RC_SERVFAIL;
-			goto cleanup_return;
-		}
-	}
-	if (rc!=RC_CACHED) {
-		dns_cent_t *ent;
-		DEBUG_MSG("Trying name servers.\n");
-		if (q)
-			rc=p_recursive_query(q,name,thint, &ent,NULL,hops,qslist,qhlist,c_soa);
-		else
-			rc=p_dns_resolve(name,thint, &ent,hops,qhlist,c_soa);
-
-		if(rc==RC_OK || rc==RC_CACHED || rc==RC_STALE) {
-			if (cached) {
-				free_cent(cached  DBG1);
-				pdnsd_free(cached);
-			}
-			cached=ent;
-		}
-		else if (rc==RC_SERVFAIL && cached && (flags&CF_NOPURGE)) {
-			/* We could not get a new record, but we have a timed-out cached one
-			   with the nopurge flag set. This means that we shall use it even
-			   if timed out when no new one is available*/
-			DEBUG_MSG("Falling back to cached record.\n");
-			rc=RC_STALE;
-		}
-		else
-			goto cleanup_return;
-	} else {
-		DEBUG_MSG("Using cached record.\n");
-	}
-	*cachedp=cached;
-	return rc;
-
- cleanup_return:
-	if(cached) {
-		free_cent(cached  DBG1);
-		pdnsd_free(cached);
-	}
-	return rc;
-}
-
-
-/* r_dns_cached_resolve() is like p_dns_cached_resolve(), except that r_dns_cached_resolve()
-   will not return negatively cached entries, but returns RC_NAMEERR instead.
-   It also does not return RC_CACHED or RC_STALE, but RC_OK instead.
-*/
-int r_dns_cached_resolve(unsigned char *name, int thint, dns_cent_t **cachedp,
-			 int hops, qhintnode_t *qhlist, time_t queryts,
-			 unsigned char *c_soa)
-{
-	dns_cent_t *cached;
-	int rc=p_dns_cached_resolve(NULL,name,thint,&cached,hops,NULL,qhlist,queryts,c_soa);
-	if(rc==RC_OK || rc==RC_CACHED || rc==RC_STALE) {
-		if(cached->flags&DF_NEGATIVE) {
-			if(c_soa)
-				*c_soa=cached->c_soa;
-			free_cent(cached  DBG1);
-			pdnsd_free(cached);
-			return RC_NAMEERR;
-		}
-		else {
-			*cachedp=cached;
-			return RC_OK;
-		}
-	}
-	return rc;
-}
-
-
-static int simple_dns_cached_resolve(atup_array atup_a, int port, char edns_query, time_t timeout,
-				     const unsigned char *name, int thint, dns_cent_t **cachedp)
-{
-	dns_cent_t *cached=NULL;
-	int rc;
-
-	DEBUG_RHN_MSG("Starting simple cached resolve for: %s, query %s\n",RHN2STR(name),get_tname(thint));
-	rc= lookup_cache_status(name, thint, &cached, NULL, time(NULL), NULL);
-	if(rc==RC_OK) {
-		/* Locally defined record. */
-		*cachedp=cached;
-		return RC_OK;
-	}
-	else if(rc==RC_NAMEERR)  /* Locally negated name. */
-		return RC_NAMEERR;
-
-	if (rc!=RC_CACHED) {
-		query_stat_array qserv;
-		int j,m;
-		if (cached) {
-			free_cent(cached  DBG1);
-			pdnsd_free(cached);
-			cached=NULL;
-		}
-		DEBUG_MSG("Trying name servers.\n");
-		qserv=NULL;
-		m=DA_NEL(atup_a);
-		for(j=0; j<m; ++j) {
-			if(!add_qserv(&qserv, &DA_INDEX(atup_a,j).a, port, timeout, 0, 0, 1, edns_query, 0, 0, 1, NULL, NULL)) {
-				/* Note: qserv array already cleaned up by add_qserv() */
-				return RC_SERVFAIL;
-			}
-		}
-		rc=p_recursive_query(qserv,name,thint, &cached,NULL,0,NULL,NULL,NULL);
-		del_qserv(qserv);
-		if (rc==RC_OK) {
-			dns_cent_t *tc;
-			add_cache(cached);
-			if ((tc=lookup_cache(name,NULL))) {
-				/* The cache may hold more information  than the recent query yielded.
-				 * try to get the merged record. If that fails, revert to the new one. */
-				free_cent(cached  DBG1);
-				pdnsd_free(cached);
-				cached=tc;
-			} else
-				DEBUG_MSG("simple_dns_cached_resolve: merging answer with cache failed, using local cent copy.\n");
-		}
-		else if(!(rc==RC_CACHED || rc==RC_STALE))  /* RC_CACHED and RC_STALE should not be possible. */
-			return rc;
-	} else {
-		DEBUG_MSG("Using cached record.\n");
-	}
-
-	if(cached->flags&DF_NEGATIVE) {
-		free_cent(cached  DBG1);
-		pdnsd_free(cached);
-		return RC_NAMEERR;
-	}
-
-	*cachedp=cached;
-	return RC_OK;
-}
-
-
-/* Check whether a server is responsive by sending it an (empty) query.
-   rep is the number of times this is tried in case of no reply.
- */
-int query_uptest(pdnsd_a *addr, int port, const unsigned char *name, time_t timeout, int rep)
-{
-	query_stat_t qs;
-	int iter=0,rv;
-
-#ifdef ENABLE_IPV4
-	if (run_ipv4) {
-		memset(&qs.a.sin4,0,sizeof(qs.a.sin4));
-		qs.a.sin4.sin_family=AF_INET;
-		qs.a.sin4.sin_port=htons(port);
-		qs.a.sin4.sin_addr=addr->ipv4;
-		SET_SOCKA_LEN4(qs.a.sin4);
-	}
-#endif
-#ifdef ENABLE_IPV6
-	ELSE_IPV6 {
-		memset(&qs.a.sin6,0,sizeof(qs.a.sin6));
-		qs.a.sin6.sin6_family=AF_INET6;
-		qs.a.sin6.sin6_port=htons(port);
-		qs.a.sin6.sin6_flowinfo=IPV6_FLOWINFO;
-		qs.a.sin6.sin6_addr=addr->ipv6;
-		SET_SOCKA_LEN6(qs.a.sin6);
-
-		qs.a4fallback.s_addr=INADDR_ANY;
-	}
-#endif
-	qs.timeout=timeout;
-	qs.flags=0;
-	qs.nocache=0;
-	qs.auth_serv=0;
-	qs.lean_query=1;
-	qs.edns_query=0;
-	qs.needs_testing=0;
-	qs.trusted=1;
-	qs.aa=0;
-	qs.tc=0;
-	qs.ra=0;
-	qs.failed=0;
-	qs.nsdomain=NULL;
-	qs.rejectlist=NULL;
-
- try_again:
-	qs.state=QS_INITIAL;
-	qs.qm=global.query_method;
-	qs.s_errno=0;
-	rv=p_exec_query(NULL, name, T_A, &qs, NULL, NULL);
-	if(rv==-1) {
-		time_t ts, tpassed;
-		for(ts=time(NULL), tpassed=0;; tpassed=time(NULL)-ts) {
-			int event;
-#ifdef NO_POLL
-			fd_set reads;
-			fd_set writes;
-			struct timeval tv;
-			FD_ZERO(&reads);
-			FD_ZERO(&writes);
-			PDNSD_ASSERT(qs.sock<FD_SETSIZE,"socket file descriptor exceeds FD_SETSIZE.");
-			switch (qs.state) {
-			QS_READ_CASES:
-				FD_SET(qs.sock,&reads);
-				break;
-			QS_WRITE_CASES:
-				FD_SET(qs.sock,&writes);
-				break;
-			}
-			tv.tv_sec=timeout>tpassed?timeout-tpassed:0;
-			tv.tv_usec=0;
-			/* There is a possible race condition with the arrival of a signal here,
-			   but it is so unlikely to be a problem in practice that doing
-			   this properly is not worth the trouble.
-			*/
-			if(is_interrupted_servstat_thread()) {
-				DEBUG_MSG("server status thread interrupted.\n");
-				p_cancel_query(&qs);
-				return 0;
-			}
-			event=select(qs.sock+1,&reads,&writes,NULL,&tv);
-#else
-			struct pollfd pfd;
-			pfd.fd=qs.sock;
-			switch (qs.state) {
-			QS_READ_CASES:
-				pfd.events=POLLIN;
-				break;
-			QS_WRITE_CASES:
-				pfd.events=POLLOUT;
-				break;
-			default:
-				pfd.events=0;
-			}
-			/* There is a possible race condition with the arrival of a signal here,
-			   but it is so unlikely to be a problem in practice that doing
-			   this properly is not worth the trouble.
-			*/
-			if(is_interrupted_servstat_thread()) {
-				DEBUG_MSG("server status thread interrupted.\n");
-				p_cancel_query(&qs);
-				return 0;
-			}
-			event=poll(&pfd,1,timeout>tpassed?(timeout-tpassed)*1000:0);
-#endif
-			if (event<0) {
-				if(errno==EINTR && is_interrupted_servstat_thread()) {
-					DEBUG_MSG("poll/select interrupted in server status thread.\n");
-				}
-				else
-					log_warn("poll/select failed: %s",strerror(errno));
-				p_cancel_query(&qs);
-				return 0;
-			}
-			if(event==0) {
-				/* timed out */
-				p_cancel_query(&qs);
-				if(++iter<rep) goto try_again;
-				return 0;
-			}
-			event=0;
-#ifdef NO_POLL
-			switch (qs.state) {
-			QS_READ_CASES:
-				event=FD_ISSET(qs.sock,&reads);
-				break;
-			QS_WRITE_CASES:
-				event=FD_ISSET(qs.sock,&writes);
-				break;
-			}
-#else
-			switch (qs.state) {
-			QS_READ_CASES:
-				event=pfd.revents&(POLLIN|POLLERR|POLLHUP|POLLNVAL);
-				break;
-			QS_WRITE_CASES:
-				event=pfd.revents&(POLLOUT|POLLERR|POLLHUP|POLLNVAL);
-				break;
-			}
-#endif
-			if(event) {
-				rv=p_exec_query(NULL, name, T_A, &qs, NULL, NULL);
-				if(rv!=-1) break;
-			}
-			else {
-				if(++poll_errs<=MAXPOLLERRS)
-					log_error("Unhandled poll/select event in query_uptest() at %s, line %d.",__FILE__,__LINE__);
-				p_cancel_query(&qs);
-				return 0;
-			}
-		}
-	}
-	return (rv!=RC_SERVFAIL && rv!=RC_FATALERR);
-}
diff --git a/app/src/main/jni/pdnsd/src/dns_query.h b/app/src/main/jni/pdnsd/src/dns_query.h
deleted file mode 100644
index b57e7be..0000000
--- a/app/src/main/jni/pdnsd/src/dns_query.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/* dns_query.h - Execute outgoing dns queries and write entries to cache
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2004, 2006, 2009, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef DNS_QUERY_H
-#define DNS_QUERY_H
-
-#include "cache.h"
-
-/* Default UDP buffer size (when EDNS is not used). */
-#define UDP_BUFSIZE 512
-
-
-typedef struct qhintnode_s qhintnode_t;
-
-/* --- parallel query */
-int r_dns_cached_resolve(unsigned char *name, int thint, dns_cent_t **cachedp,
-			 int hops, qhintnode_t *qhlist, time_t queryts,
-			 unsigned char *c_soa);
-#define dns_cached_resolve(name,thint,cachedp,hops,queryts,c_soa) \
-        r_dns_cached_resolve(name,thint,cachedp,hops,NULL,queryts,c_soa)
-
-addr2_array dns_rootserver_resolv(atup_array atup_a, int port, char edns_query, time_t timeout);
-int query_uptest(pdnsd_a *addr, int port, const unsigned char *name, time_t timeout, int rep);
-
-/* --- from dns_answer.c */
-int add_opt_pseudo_rr(dns_msg_t **ans, size_t *sz, size_t *allocsz,
-		      unsigned short udpsize, unsigned short rcode,
-		      unsigned short ednsver, unsigned short Zflags);
-size_t remove_opt_pseudo_rr(dns_msg_t *ans, size_t sz);
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/error.c b/app/src/main/jni/pdnsd/src/error.c
deleted file mode 100644
index 4584866..0000000
--- a/app/src/main/jni/pdnsd/src/error.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/* error.c - Error handling
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2003, 2004, 2005, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <sys/types.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <syslog.h>
-#include <pthread.h>
-#include <signal.h>
-#include <string.h>
-#include "error.h"
-#include "helpers.h"
-#include "conff.h"
-
-
-pthread_mutex_t loglock = PTHREAD_MUTEX_INITIALIZER;
-volatile short int use_log_lock=0;
-
-/*
- * Initialize a mutex for io-locking in order not to produce gibberish on
- * multiple simultaneous errors.
- */
-/* This is now defined as an inline function in error.h */
-#if 0
-void init_log_lock(void)
-{
-	use_log_lock=1;
-}
-#endif
-
-/* We crashed? Ooops... */
-void crash_msg(char *msg)
-{
-	log_error("%s", msg);
-	log_error("pdnsd probably crashed due to a bug. Please consider sending a bug");
-	log_error("report to p.a.rombouts@xxxxxxx or tmoestl@xxxxxxx");
-}
-
-/* Log a warning, error or info message.
- * If we are a daemon, use the syslog. s is a format string like in printf,
- * the optional following arguments are the arguments like in printf */
-void log_message(int prior, const char *s, ...)
-{
-	int gotlock=0;
-	va_list va;
-	FILE *f;
-
-	if (use_log_lock) {
-		gotlock=softlock_mutex(&loglock);
-		/* If we failed to get the lock and the type of the
-		   message is "info" or less important, then don't bother. */
-		if(!gotlock && prior>=LOG_INFO)
-			return;
-	}
-	if (global.daemon) {
-		openlog("pdnsd",LOG_PID,LOG_DAEMON);
-		va_start(va,s);
-		vsyslog(prior,s,va);
-		va_end(va);
-		closelog();
-	}
-	else {
-		f=stderr;
-#if DEBUG > 0
-		goto printtofile;
-	}
-	if(debug_p) {
-		f=dbg_file;
-	printtofile:
-#endif
-		{
-			char ts[sizeof "* 12/31 23:59:59| "];
-			time_t tt = time(NULL);
-			struct tm tm;
-
-			if(!localtime_r(&tt, &tm) || strftime(ts, sizeof(ts), "* %m/%d %T| ", &tm) <=0)
-				ts[0]=0;
-			fprintf(f,"%spdnsd: %s: ", ts,
-				prior<=LOG_CRIT?"critical":
-				prior==LOG_ERR?"error":
-				prior==LOG_WARNING?"warning":
-				"info");
-		}
-		va_start(va,s);
-		vfprintf(f,s,va);
-		va_end(va);
-		{
-			const char *p=strchr(s,0);
-			if(!p || p==s || *(p-1)!='\n')
-				fputc('\n',f);
-		}
-	}
-	if (gotlock)
-		pthread_mutex_unlock(&loglock);
-}
-
-
-#if DEBUG > 0
-/* XXX: The timestamp generation makes this a little heavy-weight */
-void debug_msg(int c, const char *fmt, ...)
-{
-	va_list va;
-
-	if (!c) {
-		char ts[sizeof "12/31 23:59:59"];
-		time_t tt = time(NULL);
-		struct tm tm;
-		unsigned *id;
-
-		if(localtime_r(&tt, &tm) && strftime(ts, sizeof(ts), "%m/%d %T", &tm) > 0) {
-			if((id = (unsigned *)pthread_getspecific(thrid_key)))
-				fprintf(dbg_file,"%u %s| ", *id, ts);
-			else
-				fprintf(dbg_file,"- %s| ", ts);
-		}
-	}
-	va_start(va,fmt);
-	vfprintf(dbg_file,fmt,va);
-	va_end(va);
-	fflush(dbg_file);
-}
-#endif /* DEBUG */
diff --git a/app/src/main/jni/pdnsd/src/error.h b/app/src/main/jni/pdnsd/src/error.h
deleted file mode 100644
index 1678744..0000000
--- a/app/src/main/jni/pdnsd/src/error.h
+++ /dev/null
@@ -1,115 +0,0 @@
-/* error.h - Error handling
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2003, 2004, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef ERROR_H
-#define ERROR_H
-
-#include <config.h>
-#include <time.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <signal.h>
-#include <syslog.h>
-
-#include "thread.h"
-#include "helpers.h"
-#include "pdnsd_assert.h"
-
-/* --- from error.c */
-extern volatile short int use_log_lock;
-/* --- */
-
-void crash_msg(char *msg);
-
-inline static void init_log_lock(void) __attribute__((always_inline));
-inline static void init_log_lock(void)
-{
-	use_log_lock=1;
-}
-
-void log_message(int prior,const char *s, ...) printfunc(2, 3);
-#if !defined(CPP_C99_VARIADIC_MACROS)
-/* GNU C Macro Varargs style. */
-#define log_error(args...) log_message(LOG_ERR,args)
-#define log_warn(args...) log_message(LOG_WARNING,args)
-#define log_info(level,args...) {if((level)<=global.verbosity) log_message(LOG_INFO,args);}
-#else
-/* ANSI C99 style. */
-#define log_error(...) log_message(LOG_ERR,__VA_ARGS__)
-#define log_warn(...) log_message(LOG_WARNING,__VA_ARGS__)
-#define log_info(level,...) {if((level)<=global.verbosity) log_message(LOG_INFO,__VA_ARGS__);}
-#endif
-
-/* Following are some ugly macros for debug messages that
- * should inhibit any code generation when DEBUG is not defined.
- * Of course, those messages could be done in a function, but I
- * want to save the overhead when DEBUG is not defined.
- * debug_p needs to be defined (by including conff.h), or you
- * will get strange errors.
- * A macro call expands to a complete statement, so a semicolon after
- * the macro call is redundant.
- * The arguments are normal printfs, so you know how to use the args
- */
-#if DEBUG>0
-void debug_msg(int c, const char *fmt, ...) printfunc(2, 3);
-/* from main.c */
-extern FILE *dbg_file;
-#endif
-
-#if !defined(CPP_C99_VARIADIC_MACROS)
-/* GNU C Macro Varargs style. */
-# if DEBUG > 0
-#  define DEBUG_MSG(args...)	{if (debug_p) debug_msg(0,args);}
-#  define DEBUG_MSGC(args...)	{if (debug_p) debug_msg(1,args);}
-#  define DEBUG_PDNSDA_MSG(args...) {char _debugsockabuf[ADDRSTR_MAXLEN]; DEBUG_MSG(args);}
-#  define PDNSDA2STR(a)		pdnsd_a2str(a,_debugsockabuf,sizeof(_debugsockabuf))
-#  define DEBUG_RHN_MSG(args...) {unsigned char _debugstrbuf[DNSNAMEBUFSIZE]; DEBUG_MSG(args);}
-#  define RHN2STR(a)		rhn2str(a,_debugstrbuf,sizeof(_debugstrbuf))
-# else
-#  define DEBUG_MSG(args...)
-#  define DEBUG_MSGC(args...)
-#  define DEBUG_PDNSDA_MSG(args...)
-#  define DEBUG_RHN_MSG(args...)
-# endif	/* DEBUG > 0 */
-#else
-/* ANSI C99 style. */
-# if DEBUG > 0
-/*
- * XXX: The ANSI and GCC variadic macros should be merged as far as possible, but that
- *      might make things even more messy...
- */
-#  define DEBUG_MSG(...)	{if (debug_p) debug_msg(0,__VA_ARGS__);}
-#  define DEBUG_MSGC(...)	{if (debug_p) debug_msg(1,__VA_ARGS__);}
-#  define DEBUG_PDNSDA_MSG(...)	{char _debugsockabuf[ADDRSTR_MAXLEN]; DEBUG_MSG(__VA_ARGS__);}
-#  define PDNSDA2STR(a)		pdnsd_a2str(a,_debugsockabuf,ADDRSTR_MAXLEN)
-#  define DEBUG_RHN_MSG(...)	{unsigned char _debugstrbuf[DNSNAMEBUFSIZE]; DEBUG_MSG(__VA_ARGS__);}
-#  define RHN2STR(a)		rhn2str(a,_debugstrbuf,sizeof(_debugstrbuf))
-# else
-#  define DEBUG_MSG(...)
-#  define DEBUG_MSGC(...)
-#  define DEBUG_PDNSDA_MSG(...)
-#  define DEBUG_RHN_MSG(...)
-# endif	/* DEBUG > 0 */
-#endif
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/freebsd_netinet_ip_icmp.h b/app/src/main/jni/pdnsd/src/freebsd_netinet_ip_icmp.h
deleted file mode 100644
index e4577ce..0000000
--- a/app/src/main/jni/pdnsd/src/freebsd_netinet_ip_icmp.h
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
- * Copyright (c) 1982, 1986, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)ip_icmp.h	8.1 (Berkeley) 6/10/93
- * $FreeBSD: src/sys/netinet/ip_icmp.h,v 1.20 2003/03/21 15:28:10 mdodd Exp $
- */
-
-#ifndef _NETINET_IP_ICMP_H_
-#define _NETINET_IP_ICMP_H_
-
-/*
- * Interface Control Message Protocol Definitions.
- * Per RFC 792, September 1981.
- */
-
-/*
- * Internal of an ICMP Router Advertisement
- */
-struct icmp_ra_addr {
-	u_int32_t ira_addr;
-	u_int32_t ira_preference;
-};
-
-/*
- * Structure of an icmp header.
- */
-struct icmp {
-	u_char	icmp_type;		/* type of message, see below */
-	u_char	icmp_code;		/* type sub code */
-	u_short	icmp_cksum;		/* ones complement cksum of struct */
-	union {
-		u_char ih_pptr;			/* ICMP_PARAMPROB */
-		struct in_addr ih_gwaddr;	/* ICMP_REDIRECT */
-		struct ih_idseq {
-			n_short	icd_id;
-			n_short	icd_seq;
-		} ih_idseq;
-		int ih_void;
-
-		/* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */
-		struct ih_pmtu {
-			n_short ipm_void;
-			n_short ipm_nextmtu;
-		} ih_pmtu;
-
-		struct ih_rtradv {
-			u_char irt_num_addrs;
-			u_char irt_wpa;
-			u_int16_t irt_lifetime;
-		} ih_rtradv;
-	} icmp_hun;
-#define	icmp_pptr	icmp_hun.ih_pptr
-#define	icmp_gwaddr	icmp_hun.ih_gwaddr
-#define	icmp_id		icmp_hun.ih_idseq.icd_id
-#define	icmp_seq	icmp_hun.ih_idseq.icd_seq
-#define	icmp_void	icmp_hun.ih_void
-#define	icmp_pmvoid	icmp_hun.ih_pmtu.ipm_void
-#define	icmp_nextmtu	icmp_hun.ih_pmtu.ipm_nextmtu
-#define	icmp_num_addrs	icmp_hun.ih_rtradv.irt_num_addrs
-#define	icmp_wpa	icmp_hun.ih_rtradv.irt_wpa
-#define	icmp_lifetime	icmp_hun.ih_rtradv.irt_lifetime
-	union {
-		struct id_ts {			/* ICMP Timestamp */
-			n_time its_otime;	/* Originate */
-			n_time its_rtime;	/* Receive */
-			n_time its_ttime;	/* Transmit */
-		} id_ts;
-		struct id_ip  {
-			struct ip idi_ip;
-			/* options and then 64 bits of data */
-		} id_ip;
-		struct icmp_ra_addr id_radv;
-		u_int32_t id_mask;
-		char	id_data[1];
-	} icmp_dun;
-#define	icmp_otime	icmp_dun.id_ts.its_otime
-#define	icmp_rtime	icmp_dun.id_ts.its_rtime
-#define	icmp_ttime	icmp_dun.id_ts.its_ttime
-#define	icmp_ip		icmp_dun.id_ip.idi_ip
-#define	icmp_radv	icmp_dun.id_radv
-#define	icmp_mask	icmp_dun.id_mask
-#define	icmp_data	icmp_dun.id_data
-};
-
-/*
- * Lower bounds on packet lengths for various types.
- * For the error advice packets must first insure that the
- * packet is large enough to contain the returned ip header.
- * Only then can we do the check to see if 64 bits of packet
- * data have been returned, since we need to check the returned
- * ip header length.
- */
-#define	ICMP_MINLEN	8				/* abs minimum */
-#define	ICMP_TSLEN	(8 + 3 * sizeof (n_time))	/* timestamp */
-#define	ICMP_MASKLEN	12				/* address mask */
-#define	ICMP_ADVLENMIN	(8 + sizeof (struct ip) + 8)	/* min */
-#define	ICMP_ADVLEN(p)	(8 + ((p)->icmp_ip.ip_hl << 2) + 8)
-	/* N.B.: must separately check that ip_hl >= 5 */
-
-/*
- * Definition of type and code field values.
- */
-#define	ICMP_ECHOREPLY		0		/* echo reply */
-#define	ICMP_UNREACH		3		/* dest unreachable, codes: */
-#define		ICMP_UNREACH_NET	0		/* bad net */
-#define		ICMP_UNREACH_HOST	1		/* bad host */
-#define		ICMP_UNREACH_PROTOCOL	2		/* bad protocol */
-#define		ICMP_UNREACH_PORT	3		/* bad port */
-#define		ICMP_UNREACH_NEEDFRAG	4		/* IP_DF caused drop */
-#define		ICMP_UNREACH_SRCFAIL	5		/* src route failed */
-#define		ICMP_UNREACH_NET_UNKNOWN 6		/* unknown net */
-#define		ICMP_UNREACH_HOST_UNKNOWN 7		/* unknown host */
-#define		ICMP_UNREACH_ISOLATED	8		/* src host isolated */
-#define		ICMP_UNREACH_NET_PROHIB	9		/* prohibited access */
-#define		ICMP_UNREACH_HOST_PROHIB 10		/* ditto */
-#define		ICMP_UNREACH_TOSNET	11		/* bad tos for net */
-#define		ICMP_UNREACH_TOSHOST	12		/* bad tos for host */
-#define		ICMP_UNREACH_FILTER_PROHIB 13		/* admin prohib */
-#define		ICMP_UNREACH_HOST_PRECEDENCE 14		/* host prec vio. */
-#define		ICMP_UNREACH_PRECEDENCE_CUTOFF 15	/* prec cutoff */
-#define	ICMP_SOURCEQUENCH	4		/* packet lost, slow down */
-#define	ICMP_REDIRECT		5		/* shorter route, codes: */
-#define		ICMP_REDIRECT_NET	0		/* for network */
-#define		ICMP_REDIRECT_HOST	1		/* for host */
-#define		ICMP_REDIRECT_TOSNET	2		/* for tos and net */
-#define		ICMP_REDIRECT_TOSHOST	3		/* for tos and host */
-#define	ICMP_ECHO		8		/* echo service */
-#define	ICMP_ROUTERADVERT	9		/* router advertisement */
-#define	ICMP_ROUTERSOLICIT	10		/* router solicitation */
-#define	ICMP_TIMXCEED		11		/* time exceeded, code: */
-#define		ICMP_TIMXCEED_INTRANS	0		/* ttl==0 in transit */
-#define		ICMP_TIMXCEED_REASS	1		/* ttl==0 in reass */
-#define	ICMP_PARAMPROB		12		/* ip header bad */
-#define		ICMP_PARAMPROB_ERRATPTR 0		/* error at param ptr */
-#define		ICMP_PARAMPROB_OPTABSENT 1		/* req. opt. absent */
-#define		ICMP_PARAMPROB_LENGTH 2			/* bad length */
-#define	ICMP_TSTAMP		13		/* timestamp request */
-#define	ICMP_TSTAMPREPLY	14		/* timestamp reply */
-#define	ICMP_IREQ		15		/* information request */
-#define	ICMP_IREQREPLY		16		/* information reply */
-#define	ICMP_MASKREQ		17		/* address mask request */
-#define	ICMP_MASKREPLY		18		/* address mask reply */
-
-#define	ICMP_MAXTYPE		18
-
-#define	ICMP_INFOTYPE(type) \
-	((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \
-	(type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \
-	(type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \
-	(type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \
-	(type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)
-
-#ifdef _KERNEL
-void	icmp_error(struct mbuf *, int, int, n_long, struct ifnet *);
-void	icmp_input(struct mbuf *, int);
-#endif
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/hash.c b/app/src/main/jni/pdnsd/src/hash.c
deleted file mode 100644
index 12e2074..0000000
--- a/app/src/main/jni/pdnsd/src/hash.c
+++ /dev/null
@@ -1,322 +0,0 @@
-/* hash.c - Manage hashes for cached dns records
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2003, 2005 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include "hash.h"
-#include "cache.h"
-#include "error.h"
-#include "helpers.h"
-#include "consts.h"
-
-
-/* This is not a perfect hash, but I hope it holds. It is designed for 1024 hash
- * buckets, and hashes strings with case-insensitivity.
- * It is position-aware in a limited way.
- * It is exactly seen a two-way hash: because I do not want to exaggerate
- * the hash buckets (i do have 1024), but I hash strings and string-comparisons
- * are expensive, I save another 32 bit hash in each hash element that is checked
- * before the string. The 32 bit hash is also used to order the entries in a hash chain.
- * I hope not to have all too much collision concentration.
- *
- * The ip hash was removed. I don't think it concentrated the collisions too much.
- * If it does, the hash algorithm needs to be changed, rather than using another
- * hash.
- * Some measurements seem to indicate that the hash algorithm is doing reasonable well.
- */
-
-dns_hash_ent_t *hash_buckets[HASH_NUM_BUCKETS];
-
-
-/*
- * Hash a dns name (length-byte string format) to HASH_SZ bit.
- * *rhash is set to a long int hash.
- */
-static unsigned dns_hash(const unsigned char *str, unsigned long *rhash)
-{
-	unsigned s,i,lb,c;
-	unsigned long r;
-	s=0; r=0;
-	i=0;
-	while((lb=str[i])) {
-		s+=lb<<(i%(HASH_SZ-5));
-		r+=((unsigned long)lb)<<(i%(8*sizeof(unsigned long)-7));
-		++i;
-		do {
-			c=toupper(str[i]);
-			s+=c<<(i%(HASH_SZ-5));
-			r+=((unsigned long)c)<<(i%(8*sizeof(unsigned long)-7));
-			++i;
-		} while(--lb);
-	}
-	s=(s&HASH_BITMASK)+((s&(~HASH_BITMASK))>>HASH_SZ);
-	s=(s&HASH_BITMASK)+((s&(~HASH_BITMASK))>>HASH_SZ);
-	s &= HASH_BITMASK;
-#ifdef DEBUG_HASH
-	{
-		unsigned char buf[DNSNAMEBUFSIZE];
-		printf("Diagnostic: hashes for %s: %03x,%04lx\n",rhn2str(str,buf,sizeof(buf)),s,r);
-	}
-#endif
-	if(rhash) *rhash=r;
-	return s;
-}
-
-/*
- * Initialize hash to hold a dns hash table
- */
-/* This is now defined as an inline function in hash.h */
-#if 0
-void mk_dns_hash()
-{
-	int i;
-	for(i=0;i<HASH_NUM_BUCKETS;i++)
-		hash_buckets[i]=NULL;
-}
-#endif
-
-/*
-  Lookup in the hash table for key. If it is found, return the pointer to the cache entry.
-  If no entry is found, return 0.
-  If loc is not NULL, it will used to store information about the location within the hash table
-  This can be used to add an entry with add_dns_hash() or delete the entry with del_dns_hash_ent().
-*/
-dns_cent_t *dns_lookup(const unsigned char *key, dns_hash_loc_t *loc)
-{
-	dns_cent_t *retval=NULL;
-	unsigned idx;
-	unsigned long rh;
-	dns_hash_ent_t **hep,*he;
-
-	idx = dns_hash(key,&rh);
-	hep = &hash_buckets[idx];
-	while ((he= *hep) && he->rhash<=rh) {
-		if (he->rhash==rh && rhnicmp(key,he->data->qname)) {
-			retval = he->data;
-			break;
-		}
-		hep = &he->next;
-	}
-	if(loc) {
-		loc->pos = hep;
-		loc->rhash = rh;
-	}
-	return retval;
-}
-
-/*
-  Add a cache entry to the hash table.
-
-  loc must contain the location where the the new entry should be inserted
-  (this location can be obtained with dns_lookup).
-
-  add_dns_hash returns 1 on success, or 0 if out of memory.
-*/
-int add_dns_hash(dns_cent_t *data, dns_hash_loc_t *loc)
-{
-	dns_hash_ent_t *he = malloc(sizeof(dns_hash_ent_t));
-
-	if(!he)
-		return 0;
-
-	he->next = *(loc->pos);
-	he->rhash = loc->rhash;
-	he->data = data;
-	*(loc->pos) = he;
-
-	return 1;
-}
-
-/*
-  Delete the hash entry indentified by the location returned by dns_lookup().
-*/
-dns_cent_t *del_dns_hash_ent(dns_hash_loc_t *loc)
-{
-	dns_hash_ent_t *he = *(loc->pos);
-	dns_cent_t *data;
-
-	*(loc->pos) = he->next;
-	data = he->data;
-	free(he);
-	return data;
-}
-
-/*
- * Delete the first entry indexed by key from the hash. Returns the data field or NULL.
- * Since two cents are not allowed to be for the same host name, there will be only one.
- */
-dns_cent_t *del_dns_hash(const unsigned char *key)
-{
-	unsigned idx;
-	unsigned long rh;
-	dns_hash_ent_t **hep,*he;
-	dns_cent_t *data;
-
-	idx = dns_hash(key,&rh);
-	hep = &hash_buckets[idx];
-	while ((he= *hep) && he->rhash<=rh) {
-		if (he->rhash==rh && rhnicmp(key,he->data->qname)) {
-			*hep = he->next;
-			data = he->data;
-			free(he);
-			return data;
-		}
-		hep = &he->next;
-	}
-	return NULL;   /* not found */
-}
-
-
-/*
- * Delete all entries in a hash bucket.
- */
-void free_dns_hash_bucket(int i)
-{
-	dns_hash_ent_t *he,*hen;
-
-	he=hash_buckets[i];
-	hash_buckets[i]=NULL;
-	while (he) {
-		hen=he->next;
-		del_cent(he->data);
-		free(he);
-		he=hen;
-	}
-}
-
-/*
- * Delete all entries in a hash bucket whose names match those in
- * an include/exclude list.
- */
-void free_dns_hash_selected(int i, slist_array sla)
-{
-	dns_hash_ent_t **hep,*he,*hen;
-	int j,m=DA_NEL(sla);
-
-	hep= &hash_buckets[i];
-	he= *hep;
-
-	while (he) {
-		unsigned char *name=he->data->qname;
-		for(j=0;j<m;++j) {
-			slist_t *sl=&DA_INDEX(sla,j);
-			unsigned int nrem,lrem;
-			domain_match(name,sl->domain,&nrem,&lrem);
-			if(!lrem && (!sl->exact || !nrem)) {
-				if(sl->rule==C_INCLUDED)
-					goto delete_entry;
-				else
-					break;
-			}
-		}
-		/* default policy is not to delete */
-		hep= &he->next;
-		he= *hep;
-		continue;
-
-	delete_entry:
-		*hep=hen=he->next;;
-		del_cent(he->data);
-		free(he);
-		he=hen;
-	}
-}
-
-/*
- * Delete the whole hash table, freeing all memory
- */
-void free_dns_hash()
-{
-	int i;
-	dns_hash_ent_t *he,*hen;
-	for (i=0;i<HASH_NUM_BUCKETS;i++) {
-		he=hash_buckets[i];
-		hash_buckets[i]=NULL;
-		while (he) {
-			hen=he->next;
-			del_cent(he->data);
-			free(he);
-			he=hen;
-		}
-	}
-}
-
-/*
- * The following functions are for iterating over the hash.
- * fetch_first returns the data field of the first element (or NULL if there is none), and fills pos
- * for subsequent calls of fetch_next.
- * fetch_next returns the data field of the element after the element that was returned by the last
- * call with the same position argument (or NULL if there is none)
- *
- * Note that these are designed so that you may actually delete the elements you retrieved from the hash.
- */
-dns_cent_t *fetch_first(dns_hash_pos_t *pos)
-{
-	int i;
-	for (i=0;i<HASH_NUM_BUCKETS;i++) {
-		dns_hash_ent_t *he=hash_buckets[i];
-		if (he) {
-			pos->bucket=i;
-			pos->ent=he->next;
-			return he->data;
-		}
-	}
-	return NULL;
-}
-
-dns_cent_t *fetch_next(dns_hash_pos_t *pos)
-{
-	dns_hash_ent_t *he=pos->ent;
-	int i;
-	if (he) {
-		pos->ent=he->next;
-		return he->data;
-	}
-
-	for (i=pos->bucket+1;i<HASH_NUM_BUCKETS;i++) {
-		he=hash_buckets[i];
-		if (he) {
-			pos->bucket=i;
-			pos->ent=he->next;
-			return he->data;
-		}
-	}
-	return NULL;
-}
-
-#ifdef DEBUG_HASH
-void dumphash()
-{
-	if(debug_p) {
-		int i, j;
-		dns_hash_ent_t *he;
-
-		for (i=0; i<HASH_NUM_BUCKETS; i++) {
-			for (j=0, he=hash_buckets[i]; he; he=he->next, j++) ;
-			DEBUG_MSG("bucket %d: %d entries\n", i, j);
-		}
-	}
-}
-#endif
diff --git a/app/src/main/jni/pdnsd/src/hash.h b/app/src/main/jni/pdnsd/src/hash.h
deleted file mode 100644
index db25a34..0000000
--- a/app/src/main/jni/pdnsd/src/hash.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/* hash.h - Manage hashes for cached dns records
-
-   Copyright (C) 2000 Thomas Moestl
-   Copyright (C) 2003, 2005 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef _HASH_H_
-#define _HASH_H_
-#include <config.h>
-#include "cache.h"
-
-typedef struct dns_hash_ent_s {
-	struct dns_hash_ent_s	*next;
-	unsigned long		rhash; /* this is a better hash */
-	dns_cent_t		*data;
-} dns_hash_ent_t;
-
-/* Redefine this if you want another hash size. Should work ;-).
- * The number of hash buckets is computed as power of two;
- * so, e.g. HASH_SZ set to 10 yields 1024 hash rows (2^10 or 1<<10).
- * Only powers of two are possible conveniently.
- * HASH_SZ may not be bigger than 32 (if you set it even close to that value,
- * you are nuts.) */
-/* #define HASH_SZ       10 */  /* Now defined in config.h */
-#define HASH_NUM_BUCKETS (1<<HASH_SZ)
-
-#define HASH_BITMASK     (HASH_NUM_BUCKETS-1)
-
-extern dns_hash_ent_t *hash_buckets[];
-
-/* A type for remembering the position in the hash table where a new entry can be inserted. */
-typedef struct {
-	dns_hash_ent_t **pos;      /* pointer to the location in the hash table */
-	unsigned long  rhash;      /* long hash */
-} dns_hash_loc_t;
-
-/* A type for position specification for fetch_first and fetch_next */
-typedef struct {
-	int            bucket;     /* bucket chain we are in */
-	dns_hash_ent_t *ent;       /* entry */
-} dns_hash_pos_t;
-
-inline static void mk_dns_hash()  __attribute__((always_inline));
-inline static void mk_dns_hash()
-{
-	int i;
-	for(i=0;i<HASH_NUM_BUCKETS;i++)
-		hash_buckets[i]=NULL;
-}
-
-dns_cent_t *dns_lookup(const unsigned char *key, dns_hash_loc_t *loc);
-int add_dns_hash(dns_cent_t *data, dns_hash_loc_t *loc);
-dns_cent_t *del_dns_hash_ent(dns_hash_loc_t *loc);
-dns_cent_t *del_dns_hash(const unsigned char *key);
-void free_dns_hash_bucket(int i);
-void free_dns_hash_selected(int i, slist_array sla);
-void free_dns_hash();
-
-dns_cent_t *fetch_first(dns_hash_pos_t *pos);
-dns_cent_t *fetch_next(dns_hash_pos_t *pos);
-
-#ifdef DEBUG_HASH
-void dumphash();
-#endif
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/helpers.c b/app/src/main/jni/pdnsd/src/helpers.c
deleted file mode 100644
index 5682d64..0000000
--- a/app/src/main/jni/pdnsd/src/helpers.c
+++ /dev/null
@@ -1,795 +0,0 @@
-/* helpers.c - Various helper functions
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2005, 2006, 2008, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <pwd.h>
-#include <grp.h>
-#include <errno.h>
-#include "ipvers.h"
-#include "thread.h"
-#include "error.h"
-#include "helpers.h"
-#include "cache.h"
-#include "conff.h"
-
-
-/*
- * This is to exit pdnsd from any thread.
- */
-void pdnsd_exit()
-{
-	pthread_kill(main_thrid,SIGTERM);
-	pthread_exit(NULL);
-}
-
-/*
- * Try to grab a mutex. If we can't, fail. This will loop until we get the
- * mutex or fail. This is only used in debugging code or at exit, otherwise
- * we might run into lock contention problems.
- */
-int softlock_mutex(pthread_mutex_t *mutex)
-{
-	unsigned int tr=0;
-	while(pthread_mutex_trylock(mutex)) {
-		if (++tr>=SOFTLOCK_MAXTRIES)
-			return 0;
-		usleep_r(10000);
-	}
-	return 1;
-}
-
-/*
- * setuid() and setgid() for a specified user.
- */
-int run_as(const char *user)
-{
-	if (user[0]) {
-#ifdef HAVE_GETPWNAM_R
-		struct passwd pwdbuf, *pwd;
-		size_t buflen;
-		int err;
-
-		for(buflen=128;; buflen*=2) {
-			char buf[buflen];  /* variable length array */
-
-			/* Note that we use getpwnam_r() instead of getpwnam(),
-			   which returns its result in a statically allocated buffer and
-			   cannot be considered thread safe.
-			   Doesn't use NSS! */
-			err=getpwnam_r(user, &pwdbuf, buf, buflen, &pwd);
-			if(err==0 && pwd) {
-				/* setgid first, because we may not be allowed to do it anymore after setuid */
-				if (setgid(pwd->pw_gid)!=0) {
-					log_error("Could not change group id to that of run_as user '%s': %s",
-						  user,strerror(errno));
-					return 0;
-				}
-
-				/* initgroups uses NSS, so we can disable it,
-				   i.e. we might need DNS for LDAP lookups, which times out */
-				if (global.use_nss && (initgroups(user, pwd->pw_gid)!=0)) {
-					log_error("Could not initialize the group access list of run_as user '%s': %s",
-						  user,strerror(errno));
-					return 0;
-				}
-				if (setuid(pwd->pw_uid)!=0) {
-					log_error("Could not change user id to that of run_as user '%s': %s",
-						  user,strerror(errno));
-					return 0;
-				}
-				break;
-			}
-			else if(err!=ERANGE) {
-				if(err)
-					log_error("run_as user '%s' could not be found: %s",user,strerror(err));
-				else
-					log_error("run_as user '%s' could not be found.",user);
-				return 0;
-			}
-			else if(buflen>=16*1024) {
-				/* If getpwnam_r() seems defective, call it quits rather than
-				   keep on allocating ever larger buffers until we crash. */
-				log_error("getpwnam_r() requires more than %u bytes of buffer space.",(unsigned)buflen);
-				return 0;
-			}
-			/* Else try again with larger buffer. */
-		}
-#else
-		/* No getpwnam_r() :-(  We'll use getpwnam() and hope for the best. */
-		struct passwd *pwd;
-
-		if (!(pwd=getpwnam(user))) {
-			log_error("run_as user %s could not be found.",user);
-			return 0;
-		}
-		/* setgid first, because we may not allowed to do it anymore after setuid */
-		if (setgid(pwd->pw_gid)!=0) {
-			log_error("Could not change group id to that of run_as user '%s': %s",
-				  user,strerror(errno));
-			return 0;
-		}
-		/* initgroups uses NSS, so we can disable it,
-		   i.e. we might need DNS for LDAP lookups, which times out */
-		if (global.use_nss && (initgroups(user, pwd->pw_gid)!=0)) {
-			log_error("Could not initialize the group access list of run_as user '%s': %s",
-				  user,strerror(errno));
-			return 0;
-		}
-		if (setuid(pwd->pw_uid)!=0) {
-			log_error("Could not change user id to that of run_as user '%s': %s",
-				  user,strerror(errno));
-			return 0;
-		}
-#endif
-	}
-
-	return 1;
-}
-
-/*
- * returns whether c is allowed in IN domain names
- */
-#if 0
-int isdchar (unsigned char c)
-{
-	if ((c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9') || c=='-'
-#ifdef UNDERSCORE
-	    || c=='_'
-#endif
-	   )
-		return 1;
-	return 0;
-}
-#endif
-
-/*
- * Convert a string given in dotted notation to the transport format (length byte prepended
- * domain name parts, ended by a null length sequence)
- * The memory areas referenced by str and rhn may not overlap.
- * The buffer rhn points to is assumed to be at least DNSNAMEBUFSIZE bytes in size.
- *
- * Returns 1 if successful, otherwise 0.
- */
-int str2rhn(const unsigned char *str, unsigned char *rhn)
-{
-	unsigned int i,j;
-
-	if(*str=='.' && !*(str+1)) {
-		/* Special case: root domain */
-		rhn[0]=0;
-		return 1;
-	}
-
-	for(i=0;;) {
-		unsigned int jlim= i+63;
-		if(jlim>DNSNAMEBUFSIZE-2) jlim=DNSNAMEBUFSIZE-2; /* DNSNAMEBUFSIZE-2 because the termination 0 has to follow */
-		for(j=i; str[j] && str[j]!='.'; ++j) {
-			if(j>=jlim) return 0;
-			rhn[j+1]=str[j];
-		}
-		if(!str[j])
-			break;
-		if(j<=i)
-			return 0;
-		rhn[i]=(unsigned char)(j-i);
-		i = j+1;
-	}
-
-	rhn[i]=0;
-	if (j>i || i==0)
-		return 0;
-	return 1;
-}
-
-/*
-  parsestr2rhn is essentially the same as str2rhn, except that it doesn't look beyond
-  the first len chars in the input string. It also tolerates strings
-  not ending in a dot and returns a message in case of an error.
- */
-const char *parsestr2rhn(const unsigned char *str, unsigned int len, unsigned char *rhn)
-{
-	unsigned int i,j;
-
-	if(len>0 && *str=='.' && (len==1 || !*(str+1))) {
-		/* Special case: root domain */
-		rhn[0]=0;
-		return NULL;
-	}
-
-	i=0;
-	do {
-		unsigned int jlim= i+63;
-		if(jlim>DNSNAMEBUFSIZE-2) jlim=DNSNAMEBUFSIZE-2;
-		for(j=i; j<len && str[j] && str[j]!='.'; ++j) {
-			/* if(!isdchar(str[j]))
-				return "Illegal character in domain name"; */
-			if(j>=jlim)
-				return "Domain name element too long";
-			rhn[j+1]=str[j];
-		}
-
-		if(j<=i) {
-			if(j<len && str[j])
-				return "Empty name element in domain name";
-			else
-				break;
-		}
-
-		rhn[i]=(unsigned char)(j-i);
-		i = j+1;
-	} while(j<len && str[j]);
-
-	rhn[i]=0;
-	if(i==0)
-		return "Empty domain name not allowed";
-	return NULL;
-}
-
-/*
- * Take a host name as used in the dns transfer protocol (a length byte,
- * followed by the first part of the name, ..., followed by a 0 length byte),
- * and return a string in the usual dotted notation. Length checking is done
- * elsewhere (in decompress_name), this takes names from the cache which are
- * validated. No more than "size" bytes will be written to the buffer str points to
- * (but size must be positive).
- * If the labels in rhn contains non-printable characters, these are represented
- * in the result by a backslash followed three octal digits. Additionally some
- * special characters are preceded by a backslash. Normally the result should
- * fit within DNSNAMEBUFSIZE bytes, but if there are many non-printable characters, the
- * receiving buffer may not be able to contain the full result. In that case the
- * truncation in the result is indicated by series of trailing dots. This
- * function is only used for diagnostic purposes, thus a truncated result should
- * not be a very serious problem (and should only occur under pathological
- * circumstances).
- */
-const unsigned char *rhn2str(const unsigned char *rhn, unsigned char *str, unsigned int size)
-{
-	unsigned int i,j,lb;
-
-	if(size==0) return NULL;
-
-	i=0; j=0;
-	lb=rhn[i++];
-	if (!lb) {
-		if(size>=2)
-			str[j++]='.';
-	}
-	else {
-		do {
-			for (;lb;--lb) {
-				unsigned char c;
-				if(j+2>=size)
-					goto overflow;
-				c=rhn[i++];
-				if(isgraph(c)) {
-					if(c=='.' || c=='\\' || c=='"') {
-						str[j++]='\\';
-						if(j+2>=size)
-							goto overflow;
-					}
-					str[j++]=c;
-				}
-				else {
-					unsigned int rem=size-1-j;
-					int n=snprintf(charp &str[j],rem,"\\%03o",c);
-					if(n<0 || n>=rem) {
-						str[j++]='.';
-						goto overflow;
-					}
-					j+=n;
-				}
-			}
-			str[j++]='.';
-			lb=rhn[i++];
-		} while(lb);
-	}
-	str[j]=0;
-	return str;
-
- overflow:
-	j=size;
-	str[--j]=0;
-	if(j>0) {
-		str[--j]='.';
-		if(j>0) {
-			str[--j]='.';
-			if(j>0)
-				str[--j]='.';
-		}
-	}
-	return str;
-}
-
-/* Return the length of a domain name in transport format.
-   The definition has in fact been moved to helpers.h as an inline function.
-   Note added by Paul Rombouts:
-   Compared to the definition used by Thomas Moestl (strlen(rhn)+1), the following definition of rhnlen
-   may yield a different result in certain error situations (when a domain name segment contains null byte).
-*/
-#if 0
-unsigned int rhnlen(const unsigned char *rhn)
-{
-	unsigned int i=0,lb;
-
-	while((lb=rhn[i++]))
-		i+=lb;
-	return i;
-}
-#endif
-
-/*
- * Non-validating rhn copy (use with checked or generated data only).
- * Returns number of characters copied. The buffer dst points to is assumed to be DNSNAMEBUFSIZE (or
- * at any rate large enough) bytes in size.
- * The answer assembly code uses this; it is guaranteed to not clobber anything
- * after the name.
- */
-unsigned int rhncpy(unsigned char *dst, const unsigned char *src)
-{
-	unsigned int len = rhnlen(src);
-
-	PDNSD_ASSERT(len<=DNSNAMEBUFSIZE,"rhncpy: src too long!");
-	memcpy(dst,src,len>DNSNAMEBUFSIZE?DNSNAMEBUFSIZE:len);
-	return len;
-}
-
-
-/* Check whether a name is a normal wire-encoded domain name,
-   i.e. is not compressed, doesn't use extended labels and is not
-   too long.
-*/
-int isnormalencdomname(const unsigned char *rhn, unsigned maxlen)
-{
-	unsigned int i,lb;
-
-	if(maxlen>DNSNAMEBUFSIZE)
-		maxlen=DNSNAMEBUFSIZE;
-	for(i=0;;) {
-		if(i>=maxlen) return 0;
-		lb=rhn[i++];
-		if(lb==0)    break;
-		if(lb>0x3f)  return 0;
-		i += lb;
-	}
-
-	return 1;
-}
-
-int str2pdnsd_a(const char *addr, pdnsd_a *a)
-{
-#ifdef ENABLE_IPV4
-	if (run_ipv4) {
-		return inet_aton(addr,&a->ipv4);
-	}
-#endif
-#ifdef ENABLE_IPV6
-	ELSE_IPV6 {
-		/* Try to map an IPv4 address to IPv6 */
-		struct in_addr a4;
-		if(inet_aton(addr,&a4)) {
-			a->ipv6=global.ipv4_6_prefix;
-			((uint32_t *)(&a->ipv6))[3]=a4.s_addr;
-			return 1;
-		}
-		return inet_pton(AF_INET6,addr,&a->ipv6)>0;
-	}
-#endif
-	/* return 0; */
-}
-
-/* definition moved to helpers.h */
-#if 0
-int is_inaddr_any(pdnsd_a *a)
-{
-  return SEL_IPVER( a->ipv4.s_addr==INADDR_ANY,
-		    IN6_IS_ADDR_UNSPECIFIED(&a->ipv6) );
-}
-#endif
-
-/*
- * This is used for user output only, so it does not matter when an error occurs.
- */
-const char *pdnsd_a2str(pdnsd_a *a, char *buf, int maxlen)
-{
-	const char *res= SEL_IPVER( inet_ntop(AF_INET,&a->ipv4,buf,maxlen),
-				    inet_ntop(AF_INET6,&a->ipv6,buf,maxlen) );
-	if (!res) {
-		log_error("inet_ntop: %s", strerror(errno));
-		return "?.?.?.?";
-	}
-
-	return res;
-}
-
-
-/* Appropriately set our random device */
-#ifdef R_DEFAULT
-# if (TARGET == TARGET_BSD) && !defined(__NetBSD__)
-#  define R_ARC4RANDOM 1
-# else
-#  define R_RANDOM 1
-# endif
-#endif
-
-#ifdef RANDOM_DEVICE
-FILE *rand_file;
-#endif
-
-#ifdef R_RANDOM
-void init_crandom()
-{
-	struct timeval tv;
-	struct timezone tz;
-
-	gettimeofday(&tv,&tz);
-	srandom(tv.tv_sec^tv.tv_usec); /* not as guessable as time() */
-}
-#endif
-
-/* initialize the PRNG */
-int init_rng()
-{
-#ifdef RANDOM_DEVICE
-	if (!(rand_file=fopen(RANDOM_DEVICE,"r"))) {
-		log_error("Could not open %s.",RANDOM_DEVICE);
-		return 0;
-	}
-#endif
-#ifdef R_RANDOM
-	init_crandom();
-#endif
-	return 1;
-}
-
-/* The following function is now actually defined as a macro in helpers.h */
-#if 0
-void free_rng()
-{
-#ifdef RANDOM_DEVICE
-	if (rand_file)
-		fclose(rand_file);
-#endif
-}
-#endif
-
-/* generate a (more or less) random number 16 bits long. */
-unsigned short get_rand16()
-{
-#ifdef RANDOM_DEVICE
-	unsigned short rv;
-
-	if (rand_file) {
-		if (fread(&rv,sizeof(rv),1, rand_file)!=1) {
-			log_error("Error while reading from random device: %s", strerror(errno));
-			pdnsd_exit();
-		}
-		return rv&0xffff;
-	} else
-		return random()&0xffff;
-#endif
-#ifdef R_RANDOM
-	return random()&0xffff;
-#endif
-#ifdef R_ARC4RANDOM
-	return arc4random()&0xffff;
-#endif
-}
-
-/* fsprintf does formatted output to a file descriptor.
-   The functionality is similar to fprintf, but note that fd
-   is of type int instead of FILE*.
-   This function has been rewritten by Paul Rombouts */
-int fsprintf(int fd, const char *format, ...)
-{
-	int n;
-	va_list va;
-
-	{
-		char buf[256];
-
-		va_start(va,format);
-		n=vsnprintf(buf,sizeof(buf),format,va);
-		va_end(va);
-
-		if(n<(int)sizeof(buf)) {
-			if(n>0) n=write_all(fd,buf,n);
-			return n;
-		}
-	}
-	/* retry with a right sized buffer, needs glibc 2.1 or higher to work */
-	{
-		unsigned bufsize=n+1;
-		char buf[bufsize];
-
-		va_start(va,format);
-		n=vsnprintf(buf,bufsize,format,va);
-		va_end(va);
-
-		if(n>0) n=write_all(fd,buf,n);
-	}
-	return n;
-}
-
-/* Convert data into a hexadecimal representation (for debugging purposes)..
-   The result is stored in the character array buf.
-   If buf is not large enough to hold the result, the
-   truncation is indicated by trailing dots.
-*/
-void hexdump(const void *data, int dlen, char *buf, int buflen)
-{
-	const unsigned char *p=data;
-	int i,j=0;
-	for(i=0;i<dlen;++i) {
-		int rem=buflen-j;
-		int n=snprintf(buf+j, rem, i==0?"%02x":" %02x", p[i]);
-		if(n<0 || n>=rem) goto truncated;
-		j += n;
-	}
-	goto done;
-
- truncated:
-	if(j>=6) {
-		j -= 3;
-		if(j+4>=buflen)
-			j -= 3;
-		buf[j++]=' ';
-		buf[j++]='.';
-		buf[j++]='.';
-		buf[j++]='.';
-	}
-	else {
-		int ndots=buflen-1;
-		if(ndots>3) ndots=3;
-		j=0;
-		while(j<ndots) buf[j++]='.';
-	}
- done:
-	buf[j]=0;
-}
-
-/* Copy string "in" to "str" buffer, converting non-printable characters
-   to escape sequences.
-   Returns the length of the output string, or -1 if the result does not
-   fit in the output buffer.
-*/
-int escapestr(const char *in, int ilen, char *str, int size)
-{
-	int i,j=0;
-	for(i=0;i<ilen;++i) {
-		unsigned char c;
-		if(j+1>=size)
-			return -1;
-		c=in[i];
-		if(!isprint(c)) {
-			int rem=size-j;
-			int n=snprintf(&str[j],rem,"\\%03o",c);
-			if(n<0 || n>=rem) {
-				return -1;
-			}
-			j+=n;
-		}
-		else {
-			if(c=='\\' || c=='"') {
-				str[j++]='\\';
-				if(j+1>=size)
-					return -1;
-			}
-			str[j++]=c;
-		}
-	}
-	str[j]=0;
-	return j;
-}
-
-/*
- * This is not like strcmp, but will return 1 on match or 0 if the
- * strings are different.
- */
-/* definition moved to helpers.h as an inline function. */
-#if 0
-int stricomp(char *a, char *b)
-{
-	int i;
-	if (strlen(a) != strlen(b))
-		return 0;
-	for (i=0;i<strlen(a);i++) {
-		if (tolower(a[i])!=tolower(b[i]))
-			return 0;
-	}
-	return 1;
-}
-#endif
-
-/* Bah. I want strlcpy */
-/* definition moved to helpers.h */
-#if 0
-int strncp(char *dst, char *src, int dstsz)
-{
-	char o;
-
-	strncpy(dst,src,dstsz);
-	o=dst[dstsz-1];
-	dst[dstsz-1]='\0';
-	if (strlen(dst) >= dstsz-1 && o!='\0')
-		return 0;
-	return 1;
-}
-#endif
-
-#ifndef HAVE_GETLINE
-/* Note by Paul Rombouts: I know that getline is a GNU extension and is not really portable,
-   but the alternative standard functions have some real problems.
-   The following substitute does not have exactly the same semantics as the GNU getline,
-   but it should be good enough, as long as the stream doesn't contain any null chars.
-   This version is actually based on fgets_realloc() that I found in the WWWOFFLE source.
-*/
-
-#define BUFSIZE 256
-int getline(char **lineptr, size_t *n, FILE *stream)
-{
-	char *line=*lineptr;
-	size_t sz=*n,i;
-
-	if(!line || sz<BUFSIZE) {
-		sz=BUFSIZE;
-		line = realloc(line,sz);
-		if(!line) return -1;
-		*lineptr=line;
-		*n=sz;
-	}
-
-	for (i=0;;) {
-		char *lni;
-
-		if(!(lni=fgets(line+i,sz-i,stream))) {
-			if(i && feof(stream))
-				break;
-			else
-				return -1;
-		}
-
-		i += strlen(lni);
-
-		if(i<sz-1 || line[i-1]=='\n')
-			break;
-
-		sz += BUFSIZE;
-		line = realloc(line,sz);
-		if(!line) return -1;
-		*lineptr=line;
-		*n=sz;
-	}
-
-	return i;
-}
-#undef BUFSIZE
-#endif
-
-
-#ifndef HAVE_VASPRINTF
-/* On systems where the macro va_copy is not available, hopefully simple assignment will work.
-   Otherwise, I don't see any portable way of defining vasprintf() (without using a completely
-   different algorithm).
-*/
-#ifndef va_copy
-# ifdef __va_copy
-#  define va_copy __va_copy
-# else
-#  warning "No va_copy or __va_copy macro found, trying simple assignment."
-#  define va_copy(dst,src) ((dst)=(src))
-# endif
-#endif
-
-int vasprintf (char **lineptr, const char *format, va_list va)
-{
-	int sz=128,n;
-	char *line=malloc(sz);
-	va_list vasave;
-
-	if(!line) return -1;
-
-	va_copy(vasave,va);
-	n=vsnprintf(line,sz,format,va);
-
-	if(n>=sz) {
-		/* retry with a right sized buffer, needs glibc 2.1 or higher to work */
-		sz=n+1;
-		{
-			char *tmp=realloc(line,sz);
-			if(tmp) {
-				line=tmp;
-				n=vsnprintf(line,sz,format,vasave);
-			}
-			else
-				n= -1;
-		}
-	}
-	va_end(vasave);
-
-	if(n>=0)
-		*lineptr=line;
-	else
-		free(line);
-	return n;
-}
-#endif
-
-#ifndef HAVE_ASPRINTF
-int asprintf (char **lineptr, const char *format, ...)
-{
-	int n;
-	va_list va;
-
-	va_start(va,format);
-	n=vasprintf(lineptr,format,va);
-	va_end(va);
-
-	return n;
-}
-#endif
-
-#ifndef HAVE_INET_NTOP
-const char *inet_ntop(int af, const void *src, char *dst, size_t size)
-{
-	const char *rc = NULL;
-
-	if (src != NULL && dst != NULL && size > 0) {
-		switch (af) {
-		case AF_INET:
-		{
-			const unsigned char *p=src;
-			int n = snprintf(dst, size, "%u.%u.%u.%u",
-					 p[0],p[1],p[2],p[3]);
-			if (n >= 0 && n < size) rc = dst;
-		}
-		break;
-
-#ifdef AF_INET6
-		case AF_INET6:
-		{
-			const unsigned char *p=src;
-			unsigned int i,offs=0;
-			for (i=0;i<16;i+=2) {
-				int n=snprintf(dst+offs, size-offs,i==0?"%x":":%x", ((unsigned)p[i]<<8)|p[i+1]);
-				if(n<0) return NULL;
-				offs+=n;
-				if(offs>=size) return NULL;
-			}
-			rc = dst;
-		}
-		break;
-#endif
-		}
-	}
-
-	return rc;
-}
-#endif
diff --git a/app/src/main/jni/pdnsd/src/helpers.h b/app/src/main/jni/pdnsd/src/helpers.h
deleted file mode 100644
index e45c56e..0000000
--- a/app/src/main/jni/pdnsd/src/helpers.h
+++ /dev/null
@@ -1,319 +0,0 @@
-/* helpers.h - Various helper functions
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2004, 2007, 2009, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef HELPERS_H
-#define HELPERS_H
-
-#include <config.h>
-#include <pthread.h>
-#include <unistd.h>
-#include <string.h>
-#include <ctype.h>
-#include "cache.h"
-#include "pdnsd_assert.h"
-
-#define SOFTLOCK_MAXTRIES 1000
-
-int run_as(const char *user);
-void pdnsd_exit(void);
-int softlock_mutex(pthread_mutex_t *mutex);
-
-#if 0
-inline static int isdchar (unsigned char c)
-{
-  return ((c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9') || c=='-'
-#ifdef UNDERSCORE
-	  || c=='_'
-#endif
-	  );
-}
-#endif
-
-const unsigned char *rhn2str(const unsigned char *rhn, unsigned char *str, unsigned int size);
-int  str2rhn(const unsigned char *str, unsigned char *rhn);
-const char *parsestr2rhn(const unsigned char *str, unsigned int len, unsigned char *rhn);
-
-/* Note added by Paul Rombouts:
-   Compared to the definition used by Thomas Moestl (strlen(rhn)+1), the following definition of rhnlen
-   may yield a different result in certain error situations (when a domain name segment contains a null byte).
-*/
-inline static unsigned int rhnlen(const unsigned char *rhn)
-  __attribute__((always_inline));
-inline static unsigned int rhnlen(const unsigned char *rhn)
-{
-	unsigned int i=0,lb;
-
-	while((lb=rhn[i++]))
-		i+=lb;
-	return i;
-}
-
-/* Skip k segments in a name in length-byte string notation. */
-inline static const unsigned char *skipsegs(const unsigned char *nm, unsigned k)
-  __attribute__((always_inline));
-inline static const unsigned char *skipsegs(const unsigned char *nm, unsigned k)
-{
-	unsigned lb;
-	for(;k && (lb= *nm); --k) {
-		nm += lb+1;
-	}
-	return nm;
-}
-
-/* Skip a name in length-byte string notation and return a pointer to the
-   position right after the terminating null byte.
-*/
-inline static unsigned char *skiprhn(unsigned char *rhn)
-  __attribute__((always_inline));
-inline static unsigned char *skiprhn(unsigned char *rhn)
-{
-	unsigned lb;
-
-	while((lb= *rhn++))
-		rhn += lb;
-	return rhn;
-}
-
-/* count the number of name segments of a name in length-byte string notation. */
-inline static unsigned int rhnsegcnt(const unsigned char *rhn)
-  __attribute__((always_inline));
-inline static unsigned int rhnsegcnt(const unsigned char *rhn)
-{
-	unsigned int res=0,lb;
-
-	while((lb= *rhn)) {
-		++res;
-		rhn += lb+1;
-	}
-	return res;
-}
-
-unsigned int rhncpy(unsigned char *dst, const unsigned char *src);
-int isnormalencdomname(const unsigned char *rhn, unsigned maxlen);
-
-inline static int is_inaddr_any(pdnsd_a *a)  __attribute__((always_inline));
-inline static int is_inaddr_any(pdnsd_a *a)
-{
-  return SEL_IPVER( a->ipv4.s_addr==INADDR_ANY,
-		    IN6_IS_ADDR_UNSPECIFIED(&a->ipv6) );
-}
-
-
-inline static int same_inaddr(pdnsd_a *a, pdnsd_a *b)
-  __attribute__((always_inline));
-inline static int same_inaddr(pdnsd_a *a, pdnsd_a *b)
-{
-  return SEL_IPVER( a->ipv4.s_addr==b->ipv4.s_addr,
-		    IN6_ARE_ADDR_EQUAL(&a->ipv6,&b->ipv6) );
-}
-
-/* Compare a pdnsd_a*  with a pdnsd_a2*. */
-inline static int same_inaddr2(pdnsd_a *a, pdnsd_a2 *b)
-  __attribute__((always_inline));
-inline static int same_inaddr2(pdnsd_a *a, pdnsd_a2 *b)
-{
-  return SEL_IPVER( a->ipv4.s_addr==b->ipv4.s_addr,
-		    IN6_ARE_ADDR_EQUAL(&a->ipv6,&b->ipv6) && b->ipv4.s_addr==INADDR_ANY );
-}
-
-inline static int equiv_inaddr2(pdnsd_a *a, pdnsd_a2 *b)
-  __attribute__((always_inline));
-inline static int equiv_inaddr2(pdnsd_a *a, pdnsd_a2 *b)
-{
-  return SEL_IPVER( a->ipv4.s_addr==b->ipv4.s_addr,
-		    IN6_ARE_ADDR_EQUAL(&a->ipv6,&b->ipv6) ||
-		     (b->ipv4.s_addr!=INADDR_ANY && ADDR_EQUIV6_4(&a->ipv6,&b->ipv4)) );
-}
-
-int str2pdnsd_a(const char *addr, pdnsd_a *a);
-const char *pdnsd_a2str(pdnsd_a *a, char *buf, int maxlen);
-
-int init_rng(void);
-#ifdef RANDOM_DEVICE
-extern FILE *rand_file;
-/* Because this is usually empty, it is now defined as a macro to save overhead.*/
-#define free_rng() {if (rand_file) fclose(rand_file);}
-#else
-#define free_rng()
-#endif
-
-unsigned short get_rand16(void);
-
-int fsprintf(int fd, const char *format, ...) printfunc(2, 3);
-#if !defined(CPP_C99_VARIADIC_MACROS)
-/* GNU C Macro Varargs style. */
-# define fsprintf_or_return(args...) {int _retval; if((_retval=fsprintf(args))<0) return _retval;}
-#else
-/* ANSI C99 style variadic macro. */
-# define fsprintf_or_return(...) {int _retval; if((_retval=fsprintf(__VA_ARGS__))<0) return _retval;}
-#endif
-
-/* Added by Paul Rombouts */
-inline static ssize_t write_all(int fd,const void *data,size_t n)
-  __attribute__((always_inline));
-inline static ssize_t write_all(int fd,const void *data,size_t n)
-{
-  ssize_t written=0;
-
-  while(written<n) {
-      ssize_t m=write(fd,(const void*)(((const char*)data)+written),n-written);
-
-      if(m<0)
-	return m;
-
-      written+=m;
-    }
-
-  return written;
-}
-
-void hexdump(const void *data, int dlen, char *buf, int buflen);
-int escapestr(const char *in, int ilen, char *str, int size);
-
-#if 0
-inline static int stricomp(const char *a, const char *b)
-{
-  return !strcasecmp(a,b);
-}
-#endif
-
-/* compare two names in length byte - string format
-   rhnicmp returns 1 if the names are the same (ignoring upper/lower case),
-   0 otherwise.
- */
-inline static int rhnicmp(const unsigned char *a, const unsigned char *b)
-  __attribute__((always_inline));
-inline static int rhnicmp(const unsigned char *a, const unsigned char *b)
-{
-	unsigned int i=0;
-	unsigned char lb;
-	for(;;) {
-		lb=a[i];
-		if(lb!=b[i]) return 0;
-		if(!lb) break;
-		++i;
-		do {
-			if(tolower(a[i])!=tolower(b[i])) return 0;
-			++i;
-		} while(--lb);
-	}
-	return 1;
-}
-
-/* Bah. I want strlcpy. */
-inline static int strncp(char *dst, const char *src, size_t dstsz)
-  __attribute__((always_inline));
-inline static int strncp(char *dst, const char *src, size_t dstsz)
-{
-#ifdef HAVE_STRLCPY
-	return (strlcpy(dst,src,dstsz)<dstsz);
-#else
-#ifdef HAVE_STPNCPY
-	char *p=stpncpy(dst,src,dstsz);
-	if(p<dst+dstsz) return 1;
-	*(p-1)='\0';
-	return 0;
-#else
-	strncpy(dst,src,dstsz);
-	if(strlen(src)<dstsz) return 1;
-	dst[dstsz-1]='\0';
-	return 0;
-#endif
-#endif
-}
-
-#ifndef HAVE_STRDUP
-inline static char *strdup(const char *s)
-  __attribute__((always_inline));
-inline static char *strdup(const char *s)
-{
-	size_t sz=strlen(s)+1;
-	char *cp=malloc(sz);
-	if(cp)
-		memcpy(cp,s,sz);
-	return cp;
-}
-#endif
-
-#ifndef HAVE_STRNDUP
-/* This version may allocate a buffer that is unnecessarily large,
-   but I'm always going to use it with n<strlen(s)
-*/
-inline static char *strndup(const char *s, size_t n)
-  __attribute__((always_inline));
-inline static char *strndup(const char *s, size_t n)
-{
-	char *cp;
-	cp=malloc(n+1);
-	if(cp) {
-		memcpy(cp,s,n);
-		cp[n]='\0';
-	}
-	return cp;
-}
-#endif
-
-#ifndef HAVE_STPCPY
-inline static char *stpcpy (char *dest, const char *src)
-  __attribute__((always_inline));
-inline static char *stpcpy (char *dest, const char *src)
-{
-  register char *d = dest;
-  register const char *s = src;
-
-  while ((*d++ = *s++) != '\0');
-
-  return d - 1;
-}
-#endif
-
-#ifndef HAVE_MEMPCPY
-inline static void *mempcpy(void *dest, const void *src, size_t len)
-  __attribute__((always_inline));
-inline static void *mempcpy(void *dest, const void *src, size_t len)
-{
-  memcpy(dest,src,len);
-  return ((char *)dest)+len;
-}
-#endif
-
-#ifndef HAVE_GETLINE
-int getline(char **lineptr, size_t *n, FILE *stream);
-#endif
-
-#ifndef HAVE_ASPRINTF
-int asprintf (char **lineptr, const char *format, ...);
-#endif
-
-#ifndef HAVE_VASPRINTF
-#include <stdarg.h>
-int vasprintf (char **lineptr, const char *format, va_list va);
-#endif
-
-#ifndef HAVE_INET_NTOP
-const char *inet_ntop(int af, const void *src, char *dst, size_t size);
-#endif
-
-#define strlitlen(strlit) (sizeof(strlit)-1)
-
-#endif /* HELPERS_H */
diff --git a/app/src/main/jni/pdnsd/src/icmp.c b/app/src/main/jni/pdnsd/src/icmp.c
deleted file mode 100644
index 6e3e46f..0000000
--- a/app/src/main/jni/pdnsd/src/icmp.c
+++ /dev/null
@@ -1,544 +0,0 @@
-/* icmp.c - Server response tests using ICMP echo requests
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2003, 2005, 2007, 2012 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-/*
- * This should now work on both Linux and FreeBSD (and CYGWIN?). If anyone
- * with experience in other Unix flavors wants to contribute platform-specific
- * code, he is very welcome.
- */
-
-#include <config.h>
-#ifdef HAVE_SYS_POLL_H
-#include <sys/poll.h>
-#endif
-#include <sys/time.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <string.h>
-#include "ipvers.h"
-#if (TARGET==TARGET_LINUX)
-# include <netinet/ip.h>
-# include <linux/types.h>
-# include <linux/icmp.h>
-#elif (TARGET==TARGET_BSD)
-# include <netinet/in_systm.h>
-# include <netinet/ip.h>
-# include <netinet/ip_icmp.h>
-#elif (TARGET==TARGET_CYGWIN)
-# include <netinet/ip.h>
-# include <netinet/in_systm.h>
-# include <netinet/ip_icmp.h>
-# include "freebsd_netinet_ip_icmp.h"
-#else
-# error Unsupported platform!
-#endif
-#ifdef ENABLE_IPV6
-# include <netinet/ip6.h>
-# include <netinet/icmp6.h>
-#endif
-#include <netdb.h>
-#include "icmp.h"
-#include "error.h"
-#include "helpers.h"
-#include "servers.h"
-
-
-#define ICMP_MAX_ERRS 10
-static volatile unsigned long icmp_errs=0; /* This is only here to minimize log output.
-					      Since the consequences of a race is only
-					      one log message more/less (out of
-					      ICMP_MAX_ERRS), no lock is required. */
-
-volatile int ping_isocket=-1;
-#ifdef ENABLE_IPV6
-volatile int ping6_isocket=-1;
-#endif
-
-/* different names, same thing... be careful, as these are macros... */
-#if (TARGET==TARGET_LINUX)
-# define ip_saddr  saddr
-# define ip_daddr  daddr
-# define ip_hl     ihl
-# define ip_p	   protocol
-#else
-# define icmphdr   icmp
-# define iphdr     ip
-# define ip_saddr  ip_src.s_addr
-# define ip_daddr  ip_dst.s_addr
-#endif
-
-#if (TARGET==TARGET_LINUX)
-# define icmp_type  type
-# define icmp_code  code
-# define icmp_cksum checksum
-# define icmp_id un.echo.id
-# define icmp_seq un.echo.sequence
-#else
-# define ICMP_DEST_UNREACH  ICMP_UNREACH
-# define ICMP_TIME_EXCEEDED ICMP_TIMXCEED
-#endif
-
-#define ICMP_BASEHDR_LEN  8
-#define ICMP4_ECHO_LEN    ICMP_BASEHDR_LEN
-
-#if (TARGET==TARGET_LINUX) || (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)
-/*
- * These are the ping implementations for Linux/FreeBSD in their IPv4/ICMPv4 and IPv6/ICMPv6 versions.
- * I know they share some code, but I'd rather keep them separated in some parts, as some
- * things might go in different directions there.
- */
-
-/* Initialize the sockets for pinging */
-void init_ping_socket()
-{
-	if ((ping_isocket=socket(PF_INET, SOCK_RAW, IPPROTO_ICMP))==-1) {
-		log_warn("icmp ping: socket() failed: %s",strerror(errno));
-	}
-#ifdef ENABLE_IPV6
-	if (!run_ipv4)  {
-		/* Failure to initialize the IPv4 ping socket is not
-		   necessarily a problem, as long as the IPv6 version works. */
-		if ((ping6_isocket=socket(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6))==-1) {
-			log_warn("icmpv6 ping: socket() failed: %s",strerror(errno));
-		}
-	}
-#endif
-}
-
-/* Takes a packet as send out and a received ICMP packet and looks whether the ICMP packet is
- * an error reply on the sent-out one. packet is only the packet (without IP header).
- * errmsg includes an IP header.
- * to is the destination address of the original packet (the only thing that is actually
- * compared of the IP header). The RFC says that we get at least 8 bytes of the offending packet.
- * We do not compare more, as this is all we need.*/
-static int icmp4_errcmp(char *packet, int plen, struct in_addr *to, char *errmsg, int elen, int errtype)
-{
-	struct iphdr iph;
-	struct icmphdr icmph;
-	struct iphdr eiph;
-	char *data;
-
-	/* XXX: lots of memcpy to avoid unaligned accesses on alpha */
-	if (elen<sizeof(struct iphdr))
-		return 0;
-	memcpy(&iph,errmsg,sizeof(iph));
-	if (iph.ip_p!=IPPROTO_ICMP || elen<iph.ip_hl*4+ICMP_BASEHDR_LEN+sizeof(eiph))
-		return 0;
-	PDNSD_ASSERT(sizeof(icmph) >= ICMP_BASEHDR_LEN, "icmp4_errcmp: ICMP_BASEHDR_LEN botched");
-	memcpy(&icmph,errmsg+iph.ip_hl*4,ICMP_BASEHDR_LEN);
-	memcpy(&eiph,errmsg+iph.ip_hl*4+ICMP_BASEHDR_LEN,sizeof(eiph));
-	if (elen<iph.ip_hl*4+ICMP_BASEHDR_LEN+eiph.ip_hl*4+8)
-		return 0;
-	data=errmsg+iph.ip_hl*4+ICMP_BASEHDR_LEN+eiph.ip_hl*4;
-	return icmph.icmp_type==errtype && memcmp(&to->s_addr, &eiph.ip_daddr, sizeof(to->s_addr))==0 &&
-		memcmp(data, packet, plen<8?plen:8)==0;
-}
-
-/* IPv4/ICMPv4 ping. Called from ping (see below) */
-static int ping4(struct in_addr addr, int timeout, int rep)
-{
-	int i;
-	int isock;
-#if (TARGET==TARGET_LINUX)
-	struct icmp_filter f;
-#endif
-	unsigned short id=(unsigned short)get_rand16(); /* randomize a ping id */
-
-	isock=ping_isocket;
-
-#if (TARGET==TARGET_LINUX)
-	/* Fancy ICMP filering -- only on Linux (as far is I know) */
-
-	/* In fact, there should be macros for treating icmp_filter, but I haven't found them in Linux 2.2.15.
-	 * So, set it manually and unportable ;-) */
-	/* This filter lets ECHO_REPLY (0), DEST_UNREACH(3) and TIME_EXCEEDED(11) pass. */
-	/* !(0000 1000 0000 1001) = 0xff ff f7 f6 */
-	f.data=0xfffff7f6;
-	if (setsockopt(isock,SOL_RAW,ICMP_FILTER,&f,sizeof(f))==-1) {
-		if (++icmp_errs<=ICMP_MAX_ERRS) {
-			log_warn("icmp ping: setsockopt() failed: %s", strerror(errno));
-		}
-		return -1;
-	}
-#endif
-
-	for (i=0;i<rep;i++) {
-		struct sockaddr_in from,to;
-		struct icmphdr icmpd;
-		unsigned long sum;
-		uint16_t *ptr;
-		long tm,tpassed;
-		int j;
-
-		icmpd.icmp_type=ICMP_ECHO;
-		icmpd.icmp_code=0;
-		icmpd.icmp_cksum=0;
-		icmpd.icmp_id=htons((uint16_t)id);
-		icmpd.icmp_seq=htons((uint16_t)i);
-
-		/* Checksumming - Algorithm taken from nmap. Thanks... */
-
-		ptr=(uint16_t *)&icmpd;
-		sum=0;
-
-		for (j=0;j<4;j++) {
-			sum+=*ptr++;
-		}
-		sum = (sum >> 16) + (sum & 0xffff);
-		sum += (sum >> 16);
-		icmpd.icmp_cksum=~sum;
-
-		memset(&to,0,sizeof(to));
-		to.sin_family=AF_INET;
-		to.sin_port=0;
-		to.sin_addr=addr;
-		SET_SOCKA_LEN4(to);
-		if (sendto(isock,&icmpd,ICMP4_ECHO_LEN,0,(struct sockaddr *)&to,sizeof(to))==-1) {
-			if (++icmp_errs<=ICMP_MAX_ERRS) {
-				log_warn("icmp ping: sendto() failed: %s.",strerror(errno));
-			}
-			return -1;
-		}
-		/* listen for reply. */
-		tm=time(NULL); tpassed=0;
-		do {
-			int psres;
-#ifdef NO_POLL
-			fd_set fds,fdse;
-			struct timeval tv;
-			FD_ZERO(&fds);
-			PDNSD_ASSERT(isock<FD_SETSIZE,"socket file descriptor exceeds FD_SETSIZE.");
-			FD_SET(isock, &fds);
-			fdse=fds;
-			tv.tv_usec=0;
-			tv.tv_sec=timeout>tpassed?timeout-tpassed:0;
-			/* There is a possible race condition with the arrival of a signal here,
-			   but it is so unlikely to be a problem in practice that the effort
-			   to do this properly is not worth the trouble.
-			*/
-			if(is_interrupted_servstat_thread()) {
-				DEBUG_MSG("server status thread interrupted.\n");
-				return -1;
-			}
-			psres=select(isock+1,&fds,NULL,&fdse,&tv);
-#else
-			struct pollfd pfd;
-			pfd.fd=isock;
-			pfd.events=POLLIN;
-			/* There is a possible race condition with the arrival of a signal here,
-			   but it is so unlikely to be a problem in practice that the effort
-			   to do this properly is not worth the trouble.
-			*/
-			if(is_interrupted_servstat_thread()) {
-				DEBUG_MSG("server status thread interrupted.\n");
-				return -1;
-			}
-			psres=poll(&pfd,1,timeout>tpassed?(timeout-tpassed)*1000:0);
-#endif
-
-			if (psres<0) {
-				if(errno==EINTR && is_interrupted_servstat_thread()) {
-					DEBUG_MSG("poll/select interrupted in server status thread.\n");
-				}
-				else if (++icmp_errs<=ICMP_MAX_ERRS) {
-					log_warn("poll/select failed: %s",strerror(errno));
-				}
-				return -1;
-			}
-			if (psres==0)  /* timed out */
-				break;
-
-#ifdef NO_POLL
-			if (FD_ISSET(isock,&fds) || FD_ISSET(isock,&fdse))
-#else
-			if (pfd.revents&(POLLIN|POLLERR))
-#endif
-			{
-				char buf[1024];
-				socklen_t sl=sizeof(from);
-				int len;
-
-				if ((len=recvfrom(isock,&buf,sizeof(buf),0,(struct sockaddr *)&from,&sl))!=-1) {
-					if (len>sizeof(struct iphdr)) {
-						struct iphdr iph;
-
-						memcpy(&iph, buf, sizeof(iph));
-						if (len-iph.ip_hl*4>=ICMP_BASEHDR_LEN) {
-							struct icmphdr icmpp;
-
-							memcpy(&icmpp, ((uint32_t *)buf)+iph.ip_hl, sizeof(icmpp));
-							if (iph.ip_saddr==addr.s_addr && icmpp.icmp_type==ICMP_ECHOREPLY &&
-							    ntohs(icmpp.icmp_id)==id && ntohs(icmpp.icmp_seq)<=i) {
-								return (i-ntohs(icmpp.icmp_seq))*timeout+(time(NULL)-tm); /* return the number of ticks */
-							} else {
-								/* No regular echo reply. Maybe an error? */
-								if (icmp4_errcmp((char *)&icmpd, ICMP4_ECHO_LEN, &to.sin_addr, buf, len, ICMP_DEST_UNREACH) ||
-								    icmp4_errcmp((char *)&icmpd, ICMP4_ECHO_LEN, &to.sin_addr, buf, len, ICMP_TIME_EXCEEDED)) {
-									return -1;
-								}
-							}
-						}
-					}
-				} else {
-					return -1; /* error */
-				}
-			}
-			else {
-				if (++icmp_errs<=ICMP_MAX_ERRS) {
-					log_error("Unhandled poll/select event in ping4() at %s, line %d.",__FILE__,__LINE__);
-				}
-				return -1;
-			}
-			tpassed=time(NULL)-tm;
-		} while (tpassed<timeout);
-	}
-	return -1; /* no answer */
-}
-
-
-#ifdef ENABLE_IPV6
-
-/* Takes a packet as send out and a received ICMPv6 packet and looks whether the ICMPv6 packet is
- * an error reply on the sent-out one. packet is only the packet (without IPv6 header).
- * errmsg does not include an IPv6 header. to is the address the sent packet went to.
- * This is specialized for icmpv6: It zeros out the checksum field, which is filled in
- * by the kernel, and expects that the checksum field in the sent-out packet is zeroed out too
- * We need a little magic to parse the answer, as there could be extension headers present, end
- * we don't know their length a priori.*/
-static int icmp6_errcmp(char *packet, int plen, struct in6_addr *to, char *errmsg, int elen, int errtype)
-{
-	struct icmp6_hdr icmph;
-	struct ip6_hdr eiph;
-	struct ip6_hbh hbh;
-	char *data;
-	int rlen,nxt;
-
-	/* XXX: lots of memcpy here to avoid unaligned access faults on alpha */
-	if (elen<sizeof(icmph)+sizeof(eiph))
-		return 0;
-	memcpy(&icmph,errmsg,sizeof(icmph));
-	memcpy(&eiph,errmsg+sizeof(icmph),sizeof(eiph));
-	if (!IN6_ARE_ADDR_EQUAL(&eiph.ip6_dst, to))
-		return 0;
-	rlen=elen-sizeof(icmph)-sizeof(eiph);
-	data=errmsg+sizeof(icmph)+sizeof(eiph);
-	nxt=eiph.ip6_nxt;
-	/* Now, jump over any known option header that might be present, and then
-	 * try to compare the packets. */
-	while (nxt!=IPPROTO_ICMPV6) {
-		/* Those are the headers we understand. */
-		if (nxt!=IPPROTO_HOPOPTS && nxt!=IPPROTO_ROUTING && nxt!=IPPROTO_DSTOPTS)
-			return 0;
-		if (rlen<sizeof(hbh))
-			return 0;
-		memcpy(&hbh,data,sizeof(hbh));
-		if (rlen<hbh.ip6h_len)
-			return 0;
-		rlen-=hbh.ip6h_len;
-		nxt=hbh.ip6h_nxt;
-		data+=hbh.ip6h_len;
-	}
-	if (rlen<sizeof(struct icmp6_hdr))
-		return 0;
-	/* Zero out the checksum of the enclosed ICMPv6 header, it is kernel-filled in the original data */
-	memset(((char *)data)+offsetof(struct icmp6_hdr,icmp6_cksum),0,sizeof(icmph.icmp6_cksum));
-	return icmph.icmp6_type==errtype && memcmp(data, packet, plen<rlen?plen:rlen)==0;
-}
-
-/* IPv6/ICMPv6 ping. Called from ping (see below) */
-static int ping6(struct in6_addr a, int timeout, int rep)
-{
-	int i;
-/*	int ck_offs=2;*/
-	int isock;
-	struct icmp6_filter f;
-	unsigned short id=(unsigned short)(rand()&0xffff); /* randomize a ping id */
-
-	isock=ping6_isocket;
-
-	ICMP6_FILTER_SETBLOCKALL(&f);
-	ICMP6_FILTER_SETPASS(ICMP6_ECHO_REPLY,&f);
-	ICMP6_FILTER_SETPASS(ICMP6_DST_UNREACH,&f);
-	ICMP6_FILTER_SETPASS(ICMP6_TIME_EXCEEDED,&f);
-
-	if (setsockopt(isock,IPPROTO_ICMPV6,ICMP6_FILTER,&f,sizeof(f))==-1) {
-		if (++icmp_errs<=ICMP_MAX_ERRS) {
-			log_warn("icmpv6 ping: setsockopt() failed: %s", strerror(errno));
-		}
-		return -1;
-	}
-
-	for (i=0;i<rep;i++) {
-		struct sockaddr_in6 from;
-		struct icmp6_hdr icmpd;
-		long tm,tpassed;
-
-		icmpd.icmp6_type=ICMP6_ECHO_REQUEST;
-		icmpd.icmp6_code=0;
-		icmpd.icmp6_cksum=0; /* The friendly kernel does fill that in for us. */
-		icmpd.icmp6_id=htons((uint16_t)id);
-		icmpd.icmp6_seq=htons((uint16_t)i);
-
-		memset(&from,0,sizeof(from));
-		from.sin6_family=AF_INET6;
-		from.sin6_flowinfo=IPV6_FLOWINFO;
-		from.sin6_port=0;
-		from.sin6_addr=a;
-		SET_SOCKA_LEN6(from);
-		if (sendto(isock,&icmpd,sizeof(icmpd),0,(struct sockaddr *)&from,sizeof(from))==-1) {
-			if (++icmp_errs<=ICMP_MAX_ERRS) {
-				log_warn("icmpv6 ping: sendto() failed: %s.",strerror(errno));
-			}
-			return -1;
-		}
-		/* listen for reply. */
-		tm=time(NULL); tpassed=0;
-		do {
-			int psres;
-#ifdef NO_POLL
-			fd_set fds,fdse;
-			struct timeval tv;
-			FD_ZERO(&fds);
-			PDNSD_ASSERT(isock<FD_SETSIZE,"socket file descriptor exceeds FD_SETSIZE.");
-			FD_SET(isock, &fds);
-			fdse=fds;
-			tv.tv_usec=0;
-			tv.tv_sec=timeout>tpassed?timeout-tpassed:0;
-			/* There is a possible race condition with the arrival of a signal here,
-			   but it is so unlikely to be a problem in practice that the effort
-			   to do this properly is not worth the trouble.
-			*/
-			if(is_interrupted_servstat_thread()) {
-				DEBUG_MSG("server status thread interrupted.\n");
-				return -1;
-			}
-			psres=select(isock+1,&fds,NULL,&fdse,&tv);
-#else
-			struct pollfd pfd;
-			pfd.fd=isock;
-			pfd.events=POLLIN;
-			/* There is a possible race condition with the arrival of a signal here,
-			   but it is so unlikely to be a problem in practice that the effort
-			   to do this properly is not worth the trouble.
-			*/
-			if(is_interrupted_servstat_thread()) {
-				DEBUG_MSG("server status thread interrupted.\n");
-				return -1;
-			}
-			psres=poll(&pfd,1,timeout>tpassed?(timeout-tpassed)*1000:0);
-#endif
-
-			if (psres<0) {
-				if(errno==EINTR && is_interrupted_servstat_thread()) {
-					DEBUG_MSG("poll/select interrupted in server status thread.\n");
-				}
-				else if (++icmp_errs<=ICMP_MAX_ERRS) {
-					log_warn("poll/select failed: %s",strerror(errno));
-				}
-				return -1;
-			}
-			if (psres==0)  /* timed out */
-				break;
-
-#ifdef NO_POLL
-			if (FD_ISSET(isock,&fds) || FD_ISSET(isock,&fdse))
-#else
-			if (pfd.revents&(POLLIN|POLLERR))
-#endif
-			{
-				char buf[1024];
-				socklen_t sl=sizeof(from);
-				int len;
-				if ((len=recvfrom(isock,&buf,sizeof(buf),0,(struct sockaddr *)&from,&sl))!=-1) {
-					if (len>=sizeof(struct icmp6_hdr)) {
-						/* we get packets without IPv6 header, luckily */
-						struct icmp6_hdr icmpp;
-
-						memcpy(&icmpp, buf, sizeof(icmpp));
-						if (IN6_ARE_ADDR_EQUAL(&from.sin6_addr,&a) &&
-						    ntohs(icmpp.icmp6_id)==id && ntohs(icmpp.icmp6_seq)<=i) {
-							return (i-ntohs(icmpp.icmp6_seq))*timeout+(time(NULL)-tm); /* return the number of ticks */
-						} else {
-							/* No regular echo reply. Maybe an error? */
-							if (icmp6_errcmp((char *)&icmpd, sizeof(icmpd), &from.sin6_addr, buf, len, ICMP6_DST_UNREACH) ||
-							    icmp6_errcmp((char *)&icmpd, sizeof(icmpd), &from.sin6_addr, buf, len, ICMP6_TIME_EXCEEDED)) {
-								return -1;
-							}
-						}
-					}
-				} else {
-					return -1; /* error */
-				}
-			}
-			else {
-				if (++icmp_errs<=ICMP_MAX_ERRS) {
-					log_error("Unhandled poll/select event in ping6() at %s, line %d.",__FILE__,__LINE__);
-				}
-				return -1;
-			}
-			tpassed=time(NULL)-tm;
-		} while (tpassed<timeout);
-	}
-	return -1; /* no answer */
-}
-#endif /* ENABLE_IPV6*/
-
-
-/* Perform an icmp ping on a host, returning -1 on timeout or
- * "host unreachable" or the ping time in 10ths of secs
- * (but actually, we are not that accurate any more).
- * timeout in 10ths of seconds, rep is the repetition count
- */
-int ping(pdnsd_a *addr, int timeout, int rep)
-{
-
-	if (SEL_IPVER(ping_isocket,ping6_isocket) == -1)
-		return -1;
-
-	/* We were given a timeout in 10ths of seconds,
-	   but ping4 and ping6 want a timeout in seconds. */
-	timeout /= 10;
-
-#ifdef ENABLE_IPV4
-	if (run_ipv4)
-		return ping4(addr->ipv4,timeout,rep);
-#endif
-#ifdef ENABLE_IPV6
-	ELSE_IPV6 {
-		/* If it is a IPv4 mapped IPv6 address, we prefer ICMPv4. */
-		if (ping_isocket!=-1 && IN6_IS_ADDR_V4MAPPED(&addr->ipv6)) {
-			struct in_addr v4;
-			v4.s_addr=((uint32_t *)&addr->ipv6)[3];
-			return ping4(v4,timeout,rep);
-		} else
-			return ping6(addr->ipv6,timeout,rep);
-	}
-#endif
-	return -1;
-}
-
-#else
-# error "Huh! No OS macro defined!"
-#endif /*(TARGET==TARGET_LINUX) || (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)*/
diff --git a/app/src/main/jni/pdnsd/src/icmp.h b/app/src/main/jni/pdnsd/src/icmp.h
deleted file mode 100644
index 3fa6778..0000000
--- a/app/src/main/jni/pdnsd/src/icmp.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/* icmp.h - Server response tests using ICMP echo requests
-   Copyright (C) 2000 Thomas Moestl
-   Copyright (C) 2007 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef ICMP_H
-#define ICMP_H
-
-
-#include <config.h>
-#include "ipvers.h"
-
-volatile extern int ping_isocket;
-volatile extern int ping6_isocket;
-
-/* initialize a socket for pinging */
-void init_ping_socket(void);
-
-/*
- * This is a classical ping routine.
- * timeout in 10ths of seconds, rep is the repetition count.
- */
-
-int ping(pdnsd_a *addr, int timeout, int rep);
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/ipvers.h b/app/src/main/jni/pdnsd/src/ipvers.h
deleted file mode 100644
index b1d7a2c..0000000
--- a/app/src/main/jni/pdnsd/src/ipvers.h
+++ /dev/null
@@ -1,297 +0,0 @@
-/* ipvers.h - definitions for IPv4 and IPv6
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2003, 2007, 2009 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef IPVERS_H
-#define IPVERS_H
-
-#include <config.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include "rr_types.h"
-
-#if defined(ENABLE_IPV4) && !defined(ENABLE_IPV6)
-# ifdef DEFAULT_IPV4
-#  undef DEFAULT_IPV4
-# endif
-# define DEFAULT_IPV4 1
-#endif
-
-#if !defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-# ifdef DEFAULT_IPV4
-#  undef DEFAULT_IPV4
-# endif
-# define DEFAULT_IPV4 0
-#endif
-
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-# define ELSE_IPV6 else
-#else
-# define ELSE_IPV6
-#endif
-
-/* From main.c */
-#ifdef ENABLE_IPV4
-# ifdef ENABLE_IPV6
-extern short int run_ipv4;
-extern short int cmdlineipv;
-#  define SEL_IPVER(a4,a6)  (run_ipv4? a4: a6)
-# else
-#  define run_ipv4 1
-#  define SEL_IPVER(a4,a6)  (a4)
-# endif
-#else
-#  define run_ipv4 0
-#  define SEL_IPVER(a4,a6)  (a6)
-#endif
-#ifdef ENABLE_IPV6
-#define DEFAULT_IPV4_6_PREFIX "::ffff:0.0.0.0"
-/* extern short int cmdlineprefix; */
-#endif
-
-#if (TARGET==TARGET_LINUX) && !defined(HAVE_STRUCT_IN_PKTINFO)
-struct in_pktinfo
-{
-	int		ipi_ifindex;
-	struct in_addr	ipi_spec_dst;
-	struct in_addr	ipi_addr;
-};
-#endif
-
-#if (TARGET==TARGET_LINUX)
-/* some older glibc versions seem to lack this. */
-# ifndef IP_PKTINFO
-#  define IP_PKTINFO 8
-# endif
-# ifndef CMSG_LEN
-/* ---- from glibc 2.1.2 */
-
-/* Ancillary data object manipulation macros.  */
-#  if !defined __STRICT_ANSI__ && defined __GNUC__ && __GNUC__ >= 2
-#   define CMSG_DATA(cmsg) ((cmsg)->__cmsg_data)
-#  else
-#   define CMSG_DATA(cmsg) ((unsigned char *) ((struct cmsghdr *) (cmsg) + 1))
-#  endif
-#  define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg)
-#  define CMSG_FIRSTHDR(mhdr) \
-  ((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr)		      \
-   ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL)
-#  define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \
-			 & ~(sizeof (size_t) - 1))
-#  define CMSG_SPACE(len) (CMSG_ALIGN (len) \
-			 + CMSG_ALIGN (sizeof (struct cmsghdr)))
-#  define CMSG_LEN(len)   (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))
-extern struct cmsghdr *__cmsg_nxthdr __P ((struct msghdr *__mhdr,
-					   struct cmsghdr *__cmsg));
-#  ifdef __USE_EXTERN_INLINES
-#   ifndef _EXTERN_INLINE
-#    define _EXTERN_INLINE extern __inline
-#   endif
-_EXTERN_INLINE struct cmsghdr *
-__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg) __THROW
-{
-  if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
-    /* The kernel header does this so there may be a reason.  */
-    return 0;
-
-  __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
-			       + CMSG_ALIGN (__cmsg->cmsg_len));
-  if ((unsigned char *) (__cmsg + 1) >= ((unsigned char *) __mhdr->msg_control
-					 + __mhdr->msg_controllen)
-      || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)
-	  >= ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
-    /* No more entries.  */
-    return 0;
-  return __cmsg;
-}
-#  endif	/* Use `extern inline'.  */
-/* ---- */
-# endif
-#endif
-
-#if defined(ENABLE_IPV4) && !defined(SIN_LEN) && (TARGET==TARGET_BSD)
-# define SIN_LEN
-#endif
-
-#if defined(ENABLE_IPV6) && (TARGET==TARGET_LINUX)
-
-/* Some glibc versions (I know of 2.1.2) get this wrong, so we define our own. To be exact, this is fixed
- * glibc code. */
-#ifdef IN6_ARE_ADDR_EQUAL
-# undef IN6_ARE_ADDR_EQUAL
-#endif
-#define IN6_ARE_ADDR_EQUAL(a,b) \
-	((((uint32_t *) (a))[0] == ((uint32_t *) (b))[0]) && \
-	 (((uint32_t *) (a))[1] == ((uint32_t *) (b))[1]) && \
-	 (((uint32_t *) (a))[2] == ((uint32_t *) (b))[2]) && \
-	 (((uint32_t *) (a))[3] == ((uint32_t *) (b))[3]))
-
-#endif
-
-/* This is the IPv6 flowid that we pass on to the IPv6 protocol stack. This value was not currently defined
- * at the time of writing. Should this change, define a appropriate flowinfo here. */
-#ifndef IPV6_FLOWINFO
-#define IPV6_FLOWINFO 0
-#endif
-
-/* There does not seem to be a function/macro to generate IPv6-mapped IPv4-Adresses. So here comes mine.
- * Pass an in_addr* and an in6_addr* */
-#define IPV6_MAPIPV4(a,b) {((uint32_t *)(b))[3]=(a)->s_addr;		\
-			   ((uint32_t *)(b))[2]=htonl(0xffff);		\
-			   ((uint32_t *)(b))[1]=((uint32_t *)(b))[0]=0; }
-
-/* A macro to extract the pointer to the address of a struct sockaddr (_in or _in6) */
-
-#define SOCKA_A4(a) ((pdnsd_a *)&((struct sockaddr_in *)(a))->sin_addr)
-#define SOCKA_A6(a) ((pdnsd_a *)&((struct sockaddr_in6 *)(a))->sin6_addr)
-
-#define SOCKA_A(a) SEL_IPVER(SOCKA_A4(a),SOCKA_A6(a))
-#define PDNSD_PF_INET SEL_IPVER(PF_INET,PF_INET6)
-#define PDNSD_AF_INET SEL_IPVER(AF_INET,AF_INET6)
-
-/* This is to compare two addresses. This is a macro because it may change due to the more complex IPv6 adressing architecture
- * (there are, for example, two equivalent addresses of the loopback device)
- * Pass this two addresses as in_addr or in6_addr. pdnsd_a is ok (it is a union) */
-
-#define ADDR_EQUIV4(a,b) (((struct in_addr *)(a))->s_addr==((struct in_addr *)(b))->s_addr)
-#define ADDR_EQUIV6(a,b) IN6_ARE_ADDR_EQUAL(((struct in6_addr *)(a)),((struct in6_addr *)(b)))
-
-#define ADDR_EQUIV(a,b) SEL_IPVER(ADDR_EQUIV4(a,b), ADDR_EQUIV6(a,b))
-
-/* Compare an IPv6 adress with an IPv4 one. b should have type struct in_addr*.
-   Note the similarity with the IPV6_MAPIPV4 macro. */
-#define ADDR_EQUIV6_4(a,b) (((uint32_t *)(a))[3]==(b)->s_addr &&	\
-			    ((uint32_t *)(a))[2]==htonl(0xffff) &&	\
-			    ((uint32_t *)(a))[1]==0 &&			\
-			    ((uint32_t *)(a))[0]==0)
-
-/* Compare two address a and b in combination with a netmask m.
-   Only the bits coresponding to those set in the netmask are matched, the rest are ignored.
-   Pass in_addr* or in6_addr* arguments, respectively. */
-#define ADDR4MASK_EQUIV(a,b,m) ((((a)->s_addr^(b)->s_addr)&(m)->s_addr)==0)
-#define ADDR6MASK_EQUIV(a,b,m) (((((uint32_t *)(a))[0]^((uint32_t *)(b))[0])&((uint32_t *)(m))[0])==0 && \
-				((((uint32_t *)(a))[1]^((uint32_t *)(b))[1])&((uint32_t *)(m))[1])==0 && \
-				((((uint32_t *)(a))[2]^((uint32_t *)(b))[2])&((uint32_t *)(m))[2])==0 && \
-				((((uint32_t *)(a))[3]^((uint32_t *)(b))[3])&((uint32_t *)(m))[3])==0)
-
-/* See if we need 4.4BSD style sockaddr_* structures and define some macros that set the length field.
- * The non-4.4BSD behaviour is the only one that is POSIX-conformant.*/
-#if defined(SIN6_LEN) || defined(SIN_LEN)
-# define BSD44_SOCKA
-# define SET_SOCKA_LEN4(socka) (socka.sin_len=sizeof(struct sockaddr_in))
-# define SET_SOCKA_LEN6(socka) (socka.sin6_len=sizeof(struct sockaddr_in6))
-#else
-# define SET_SOCKA_LEN4(socka)
-# define SET_SOCKA_LEN6(socka)
-#endif
-
-#ifdef ENABLE_IPV6
-# define ADDRSTR_MAXLEN INET6_ADDRSTRLEN
-#else
-# ifdef INET_ADDRSTRLEN
-#  define ADDRSTR_MAXLEN INET_ADDRSTRLEN
-# else
-#  define ADDRSTR_MAXLEN 16
-# endif
-#endif
-
-#if (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)
-# define SOL_IPV6 IPPROTO_IPV6
-#endif
-
-#ifdef ENABLE_IPV6
-# ifndef IPV6_RECVPKTINFO
-/* This appears to be needed e.g. on Darwin (Mac OS X). */
-#  define IPV6_RECVPKTINFO IPV6_PKTINFO
-# endif
-#endif
-
-typedef union {
-#ifdef ENABLE_IPV4
-	struct in_addr   ipv4;
-#endif
-#ifdef ENABLE_IPV6
-	struct in6_addr  ipv6;
-#endif
-} pdnsd_a;
-
-#ifdef ENABLE_IPV4
-#define  PDNSD_A_INITIALIZER {{INADDR_ANY}}
-#else
-#define  PDNSD_A_INITIALIZER {IN6ADDR_ANY_INIT}
-#endif
-
-
-/* The pdnsd_a2 type is very similar to pdnsd_a, but can hold
-   both an IPv4 and an IPv6 address at the same time,
-   i.e. a struct instead of a union.
-*/
-typedef struct {
-#ifdef ENABLE_IPV6
-	struct in6_addr  ipv6;
-#endif
-	struct in_addr   ipv4;
-} pdnsd_a2;
-
-/* Macros/functions for assigning/converting a pdnsd_a* to a pdnsd_a2* type,
-   and vice versa.
-*/
-#ifdef ENABLE_IPV6
-inline static void SET_PDNSD_A2(pdnsd_a2 *a2, pdnsd_a *a) __attribute__((always_inline));
-inline static void SET_PDNSD_A2(pdnsd_a2 *a2, pdnsd_a *a)
-{
-#ifdef ENABLE_IPV4
-	if(run_ipv4)
-		a2->ipv4=a->ipv4;
-	else
-#endif
-	{
-		a2->ipv6=a->ipv6;
-		a2->ipv4.s_addr=INADDR_ANY;
-	}
-}
-#else
-# define SET_PDNSD_A2(a2,a) ((a2)->ipv4=(a)->ipv4)
-#endif
-
-#define PDNSD_A2_TO_A(a2) SEL_IPVER(((pdnsd_a *)&(a2)->ipv4),((pdnsd_a *)&(a2)->ipv6))
-
-/* Do we have sufficient support in the C libraries to allow local AAAA records
-   to be defined? */
-#if defined(HAVE_STRUCT_IN6_ADDR) && defined(HAVE_INET_PTON)
-# define ALLOW_LOCAL_AAAA IS_CACHED_AAAA
-#else
-# define ALLOW_LOCAL_AAAA 0
-#endif
-
-/* Used to enter local records */
-typedef	union {
-	struct in_addr ipv4;
-#if ALLOW_LOCAL_AAAA
-	struct in6_addr ipv6;
-#endif
-} pdnsd_ca;
-
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/list.c b/app/src/main/jni/pdnsd/src/list.c
deleted file mode 100644
index 0370186..0000000
--- a/app/src/main/jni/pdnsd/src/list.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/* list.c - Dynamic array and list handling
-
-   Copyright (C) 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2007, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <stdlib.h>
-#include <string.h>
-#include "helpers.h"
-#include "error.h"
-#include "list.h"
-
-
-/* Grow a dynamic array to hold one extra element.
-   This could be done using da_resize(), but this is such a common operation
-   it is has been given its own optimized implementation.
-   da_grow1() returns a pointer to the new (possibly reallocated) array if
-   successful, otherwise it frees the old array (after freeing all the array
-   elements if a clean-up routine is supplied) and returns NULL.
-*/
-darray da_grow1(darray a, size_t headsz, size_t elemsz, void (*cleanuproutine) (void *))
-{
-	size_t k = (a?a->nel:0);
-	if(!a || (k!=0 && (k&7)==0)) {
-		darray tmp=(darray)realloc(a, headsz+elemsz*(k+8));
-		if (!tmp && a) {
-			if(cleanuproutine) {
-				size_t i;
-				for(i=0;i<k;++i)
-					cleanuproutine(((char *)a)+headsz+elemsz*i);
-			}
-			free(a);
-		}
-		a=tmp;
-	}
-	if(a) a->nel=k+1;
-	return a;
-}
-
-inline static size_t alloc_nel(size_t n)
-{
-  return n==0 ? 8 : (n+7)&(~7);
-}
-
-/* da_resize() allows you to grow (or shrink) a dynamic array to an arbitrary length n,
-   but is otherwise similar to da_grow1().
-*/
-darray da_resize(darray a, size_t headsz, size_t elemsz, size_t n, void (*cleanuproutine) (void *))
-{
-	size_t ael = (a?alloc_nel(a->nel):0);
-	size_t new_ael = alloc_nel(n);
-	if(new_ael != ael) {
-		/* adjust alloced space. */
-		darray tmp=(darray)realloc(a, headsz+elemsz*new_ael);
-		if (!tmp && a) {
-			if(cleanuproutine) {
-				size_t i,k=a->nel;
-				for(i=0;i<k;++i)
-					cleanuproutine(((char *)a)+headsz+elemsz*i);
-			}
-			free(a);
-		}
-		a=tmp;
-	}
-	if(a) a->nel=n;
-	return a;
-}
-
-#ifdef ALLOC_DEBUG
-void DBGda_free(darray a, size_t headsz, size_t elemsz, char *file, int line)
-{
-	if (a==NULL)
-		{DEBUG_MSG("- da_free, %s:%d, not initialized\n", file, line);}
-	else
-		{DEBUG_MSG("- da_free, %s:%d, %lu bytes\n", file, line,
-			   (unsigned long)(headsz+elemsz*alloc_nel(a->nel)));}
-	free(a);
-}
-#endif
-
-
-#define DLISTALIGN(len) (((len) + (sizeof(size_t)-1)) & ~(sizeof(size_t)-1))
-/* This mask corresponds to a chunk size of 1024. */
-#define DLISTCHUNKSIZEMASK ((size_t)0x3ff)
-
-/* Add space for a new item of size len to the list a.
-   dlist_grow() returns a pointer to the new (possibly reallocated) list structure if
-   successful, otherwise it frees the old list and returns NULL.
-*/
-dlist dlist_grow(dlist a, size_t len)
-{
-	size_t sz=0, allocsz=0, szincr, newsz;
-	if(a) {
-		sz=a->last+a->lastsz;
-		allocsz = (sz+DLISTCHUNKSIZEMASK)&(~DLISTCHUNKSIZEMASK);
-		*((size_t *)&a->data[a->last])=a->lastsz;
-	}
-	szincr=DLISTALIGN(len+sizeof(size_t));
-	newsz=sz+szincr;
-	if(newsz>allocsz) {
-		dlist tmp;
-		allocsz = (newsz+DLISTCHUNKSIZEMASK)&(~DLISTCHUNKSIZEMASK);
-		tmp=realloc(a, sizeof(struct _dynamic_list_head)+allocsz);
-		if (!tmp)
-			free(a);
-		a=tmp;
-	}
-	if(a) {
-		a->last=sz;
-		a->lastsz=szincr;
-		*((size_t *)&a->data[sz])=0;
-	}
-	return a;
-}
-
-
-/* Add a new node, capable of holding data of size len, at the end of a linked list.
-   llist_grow() returns 1 if successful, otherwise it frees the entire linked list
-   and returns 0.
- */
-int llist_grow(llist *a, size_t len)
-{
-  struct llistnode_s *new= (struct llistnode_s *)malloc(sizeof(struct llistnode_s)+len);
-
-  if(!new) {
-    llist_free(a);
-    return 0;
-  }
-
-  new->next=NULL;
-
-  if(!a->first)
-    a->first=new;
-  else
-    a->last->next=new;
-
-  a->last=new;
-
-  return 1;
-}
-
-void llist_free(llist *a)
-{
-  struct llistnode_s *p= a->first;
-
-  while(p) {
-    struct llistnode_s *next= p->next;
-    free(p);
-    p=next;
-  }
-
-  a->first=NULL;
-  a->last= NULL;
-}
diff --git a/app/src/main/jni/pdnsd/src/list.h b/app/src/main/jni/pdnsd/src/list.h
deleted file mode 100644
index c63534e..0000000
--- a/app/src/main/jni/pdnsd/src/list.h
+++ /dev/null
@@ -1,170 +0,0 @@
-/* list.h - Dynamic array and list handling
-
-   Copyright (C) 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2007, 2009, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef LIST_H
-#define LIST_H
-
-#include <stdlib.h>
-#include <string.h>
-#include "pdnsd_assert.h"
-
-
-typedef struct {size_t nel;} *darray;
-
-/* used in type declarations */
-#define DYNAMIC_ARRAY(typ)  struct {size_t nel; typ elem[0];}
-#define DA_TYP_OFFSET(atyp) ((size_t)((atyp)0)->elem)
-#define DA_OFFSET(a) DA_TYP_OFFSET(typeof (a))
-
-#define DA_CREATE(atyp,n) ((atyp)da_resize(NULL,DA_TYP_OFFSET(atyp),sizeof(((atyp)0)->elem[0]),n,NULL))
-#define DA_INDEX(a,i) ((a)->elem[i])
-/* Used often, so make special-case macro here */
-#define DA_LAST(a) ((a)->elem[(a)->nel-1])
-
-#define DA_GROW1(a) ((typeof (a))da_grow1((darray)(a),DA_OFFSET(a),sizeof((a)->elem[0]),NULL))
-#define DA_GROW1_F(a,cleanup) ((typeof (a))da_grow1((darray)(a),DA_OFFSET(a),sizeof((a)->elem[0]),cleanup))
-#define DA_RESIZE(a,n) ((typeof (a))da_resize((darray)(a),DA_OFFSET(a),sizeof((a)->elem[0]),n,NULL))
-#define DA_NEL(a) da_nel((darray)(a))
-
-/*
- * Some or all of these should be inline.
- * They aren't macros for type safety.
- */
-
-darray da_grow1(darray a, size_t headsz, size_t elemsz, void (*cleanuproutine) (void *));
-darray da_resize(darray a, size_t headsz, size_t elemsz, size_t n, void (*cleanuproutine) (void *));
-
-inline static unsigned int da_nel(darray a)
-  __attribute__((always_inline));
-inline static unsigned int da_nel(darray a)
-{
-  if (a==NULL)
-    return 0;
-  return a->nel;
-}
-
-/* alloc/free debug code.*/
-#ifdef ALLOC_DEBUG
-void   DBGda_free(darray a, size_t headsz, size_t elemsz, char *file, int line);
-#define da_free(a)	DBGda_free((darray)(a),DA_OFFSET(a),sizeof((a)->elem[0]), __FILE__, __LINE__)
-#else
-#define da_free		free
-#endif
-
-
-/* This dynamic "list" structure is useful if the items are not all the same size.
-   The elements can only be read back in sequential order, not indexed as with the dynamic arrays.
-*/
-struct _dynamic_list_head {
-	size_t last,lastsz;
-	char data[0];
-};
-
-typedef struct _dynamic_list_head  *dlist;
-
-inline static void *dlist_first(dlist a)
-  __attribute__((always_inline));
-inline static void *dlist_first(dlist a)
-{
-  return a?&a->data[sizeof(size_t)]:NULL;
-}
-
-/* dlist_next() returns a reference to the next item in the list, or NULL is there is no next item.
-   ref should be properly aligned.
-   If the dlist was grown with dlist_grow(), this should be OK.
-*/
-inline static void *dlist_next(void *ref)
-  __attribute__((always_inline));
-inline static void *dlist_next(void *ref)
-{
-  size_t incr= *(((size_t *)ref)-1);
-  return incr?((char *)ref)+incr:NULL;
-}
-
-/* dlist_last() returns a reference to the last item. */
-inline static void *dlist_last(dlist a)
-  __attribute__((always_inline));
-inline static void *dlist_last(dlist a)
-{
-  return a?&a->data[a->last+sizeof(size_t)]:NULL;
-}
-
-dlist dlist_grow(dlist a, size_t len);
-
-#define dlist_free free
-
-
-/* linked list data type. */
-struct llistnode_s {
-  struct llistnode_s *next;
-  char *data[0];
-};
-
-typedef struct {
-  struct llistnode_s *first, *last;
-}
-  llist;
-
-inline static void llist_init(llist *a)
-  __attribute__((always_inline));
-inline static void llist_init(llist *a)
-{
-  a->first=NULL;
-  a->last= NULL;
-}
-
-inline static int llist_isempty(llist *a)
-  __attribute__((always_inline));
-inline static int llist_isempty(llist *a)
-{
-  return a->first==NULL;
-}
-
-inline static void *llist_first(llist *a)
-  __attribute__((always_inline));
-inline static void *llist_first(llist *a)
-{
-  struct llistnode_s *p= a->first;
-  return p?p->data:NULL;
-}
-
-inline static void *llist_next(void *ref)
-  __attribute__((always_inline));
-inline static void *llist_next(void *ref)
-{
-  struct llistnode_s *next= *(((struct llistnode_s **)ref)-1);
-  return next?next->data:NULL;
-}
-
-inline static void *llist_last(llist *a)
-  __attribute__((always_inline));
-inline static void *llist_last(llist *a)
-{
-  struct llistnode_s *p= a->last;
-  return p?p->data:NULL;
-}
-
-int llist_grow(llist *a, size_t len);
-void llist_free(llist *a);
-
-#endif /* def LIST_H */
diff --git a/app/src/main/jni/pdnsd/src/main.c b/app/src/main/jni/pdnsd/src/main.c
deleted file mode 100644
index 1190b77..0000000
--- a/app/src/main/jni/pdnsd/src/main.c
+++ /dev/null
@@ -1,710 +0,0 @@
-/* main.c - Command line parsing, intialisation and server start
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-/* in order to use O_NOFOLLOW on Linux: */
-/* #define _GNU_SOURCE */
-
-#include <config.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stdio.h>
-#include <signal.h>
-#include <unistd.h>
-#include <syslog.h>
-#include <pwd.h>
-#include <fcntl.h>
-#include <string.h>
-#include <errno.h>
-#include <ctype.h>
-#include "consts.h"
-#include "cache.h"
-#include "status.h"
-#include "servers.h"
-#include "dns_answer.h"
-#include "dns_query.h"
-#include "error.h"
-#include "helpers.h"
-#include "icmp.h"
-#include "hash.h"
-
-
-#if DEBUG>0
-short int debug_p=0;
-#endif
-short int stat_pipe=0;
-
-/* int sigr=0; */
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-short int run_ipv4=DEFAULT_IPV4;
-short int cmdlineipv=0;
-#endif
-cmdlineflags_t cmdline={0};
-pthread_t main_thrid,servstat_thrid,statsock_thrid,tcps_thrid,udps_thrid;
-uid_t init_uid;
-#if DEBUG>0
-FILE *dbg_file=NULL;
-#endif
-volatile int tcp_socket=-1;
-volatile int udp_socket=-1;
-sigset_t sigs_msk;
-char *conf_file=CONFDIR"/pdnsd.conf";
-
-
-/* version and licensing information */
-static const char info_message[] =
-
-	"pdnsd - dns proxy daemon, version " VERSION "\n\n"
-	"Copyright (C) 2000, 2001 Thomas Moestl\n"
-	"Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010 Paul A. Rombouts\n\n"
-	"pdnsd is free software; you can redistribute it and/or modify\n"
-	"it under the terms of the GNU General Public License as published by\n"
-	"the Free Software Foundation; either version 3 of the License, or\n"
-	"(at your option) any later version.\n\n"
-	"pdnsd is distributed in the hope that it will be useful,\n"
-	"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-	"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-	"GNU General Public License for more details.\n\n"
-	"You should have received a copy of the GNU General Public License\n"
-	"along with pdsnd; see the file COPYING.  If not, see\n"
-	"<http://www.gnu.org/licenses/>.\n";
-
-
-/* the help page */
-static const char help_message[] =
-
-	"\n\nUsage: pdnsd [-h] [-V] [-s] [-d] [-g] [-t] [-p file] [-vn] [-mxx] [-c file]"
-#ifdef ENABLE_IPV4
-	" [-4]"
-#endif
-#ifdef ENABLE_IPV6
-	" [-6] [-i prefix]"
-#endif
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-	" [-a]"
-#endif
-	"\n\n"
-	"Options:\n"
-	"-h\t\t--or--\n"
-	"--help\t\tprint this help page and exit.\n"
-	"-V\t\t--or--\n"
-	"--version\tprint version and license information and exit.\n"
-	"--pdnsd-user\tprint the user pdnsd will run as and exit.\n"
-	"-s\t\t--or--\n"
-	"--status\tEnable status control socket in the cache directory.\n"
-	"-d\t\t--or--\n"
-	"--daemon\tStart pdnsd in daemon mode (as background process.)\n"
-	"-g\t\t--or--\n"
-	"--debug\t\tPrint some debug messages on the console or to the\n"
-	"\t\tfile pdnsd.debug in your cache directory (in daemon mode).\n"
-	"-t\t\t--or--\n"
-	"--tcp\t\tEnables the TCP server thread. pdnsd will then serve\n"
-	"\t\tTCP and UDP queries.\n"
-	"-p\t\tWrites the pid the server runs as to a specified filename.\n"
-	"\t\tWorks only in daemon mode.\n"
-	"-vn\t\tsets the verbosity of pdnsd. n is a numeric argument from 0\n"
-	"\t\t(normal operation) to 9 (many messages for debugging).\n"
-	"\t\tUse like -v2\n"
-	"-mxx\t\tsets the query method pdnsd uses. Possible values for xx are:\n"
-	"\t\tuo (UDP only), to (TCP only), tu (TCP or, if the server\n"
-	"\t\tdoes not support this, UDP) and ut (UDP and, if the reply was\n"
-	"\t\ttruncated, TCP). Use like -muo. Preset: "
-#if M_PRESET==UDP_ONLY
-	"-muo"
-#elif M_PRESET==TCP_ONLY
-	"-mto"
-#elif M_PRESET==TCP_UDP
-	"-mtu"
-#else
-	"-mut"
-#endif
-	"\n"
-	"-c\t\t--or--\n"
-	"--config-file\tspecifies the file the configuration is read from.\n"
-	"\t\tDefault is " CONFDIR "/pdnsd.conf\n"
-#ifdef ENABLE_IPV4
-	"-4\t\tswitches to IPv4 mode.\n"
-	"\t\t"
-#  if DEFAULT_IPV4
-	"On"
-#  else
-	"Off"
-#  endif
-	" by default.\n"
-#endif
-#ifdef ENABLE_IPV6
-	"-6\t\tswitches to IPv6 mode.\n"
-	"\t\t"
-#  if DEFAULT_IPV4
-	"Off"
-#  else
-	"On"
-#  endif
-	" by default.\n"
-	"-i\t\t--or--\n"
-	"--ipv4_6_prefix\tspecifies the prefix pdnsd uses to map IPv4 to IPv6\n"
-	"\t\taddresses. Must be a valid IPv6 address.\n"
-	"\t\tDefault is " DEFAULT_IPV4_6_PREFIX "\n"
-#endif
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-	"-a\t\tWith this option, pdnsd will try to detect automatically if\n"
-	"\t\tthe system supports IPv6, and revert to IPv4 otherwise.\n"
-#endif
-	"\n\n\"no\" can be prepended to the --status, --daemon, --debug and --tcp\n"
-	"options (e.g. --notcp) to reverse their effect.\n";
-
-
-/* These are some init steps we have to call before we get daemon on linux, but need
- * to call after daemonizing on other OSes.
- * Theay are also the last steps before we drop privileges. */
-int final_init()
-{
-#ifndef NO_TCP_SERVER
-	if (!global.notcp)
-		tcp_socket=init_tcp_socket();
-#endif
-	udp_socket=init_udp_socket();
-	if (tcp_socket==-1 && udp_socket==-1) {
-		log_error("tcp and udp initialization failed. Exiting.");
-		return 0;
-	}
-	if (global.strict_suid) {
-		if (!run_as(global.run_as)) {
-			return 0;
-		}
-	}
-	return 1;
-}
-
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-/* Check if IPv6 is available.
- * With thanks to Juliusz Chroboczek.
- */
-static int check_ipv6()
-{
-    int fd;
-    fd = socket(PF_INET6, SOCK_STREAM, 0);
-    if(fd < 0) {
-        if(errno == EPROTONOSUPPORT || errno == EAFNOSUPPORT || errno == EINVAL)
-            return 0;
-        return -1;
-    }
-    close(fd);
-    return 1;
-}
-#endif
-
-
-/*
- * Argument parsing, init, server startup
- */
-int main(int argc,char *argv[])
-{
-	int i,sig,pfd=-1;  /* Initialized to inhibit compiler warning */
-
-	main_thrid=pthread_self();
-	servstat_thrid=main_thrid;
-	statsock_thrid=main_thrid;
-	tcps_thrid=main_thrid;
-	udps_thrid=main_thrid;
-	init_uid=getuid();
-#ifdef ENABLE_IPV6
-	{
-		int err;
-		if((err=inet_pton(AF_INET6,DEFAULT_IPV4_6_PREFIX,&global.ipv4_6_prefix))<=0) {
-			fprintf(stderr,"Error: inet_pton() wont accept default prefix %s in %s, line %d\n",
-				DEFAULT_IPV4_6_PREFIX,__FILE__,__LINE__);
-			if(err)
-				perror("inet_pton");
-			exit(1);
-		}
-	}
-#endif
-
-	/* Parse the command line.
-	   Remember which options were specified here, because the command-line options
-	   shall override the ones given in the config file */
-	for (i=1;i<argc;i++) {
-		char *arg=argv[i];
-		if (strcmp(arg,"-h")==0 || strcmp(arg,"--help")==0) {
-			fputs(info_message,stdout);
-			fputs(help_message,stdout);
-			exit(1);
-		} else if (strcmp(arg,"-V")==0 || strcmp(arg,"--version")==0) {
-			fputs(info_message,stdout);
-			exit(1);
-		} else if (strcmp(arg,"-c")==0 || strcmp(arg,"--config-file")==0) {
-			if (++i<argc) {
-				conf_file=argv[i];
-			} else {
-				fprintf(stderr,"Error: file name expected after %s option.\n",arg);
-				exit(1);
-			}
-		} else if (strcmp(arg,"-4")==0) {
-#ifdef ENABLE_IPV4
-# ifdef ENABLE_IPV6
-			run_ipv4=1; cmdlineipv=1;
-# endif
-#else
-			fprintf(stderr,"Error: -4: pdnsd was compiled without IPv4 support.\n");
-			exit(1);
-#endif
-		} else if (strcmp(arg,"-6")==0) {
-#ifdef ENABLE_IPV6
-# ifdef ENABLE_IPV4
-			run_ipv4=0; cmdlineipv=1;
-# endif
-#else
-			fprintf(stderr,"Error: -6: pdnsd was compiled without IPv6 support.\n");
-			exit(1);
-#endif
-		} else if (strcmp(arg,"-a")==0) {
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-			int rv=check_ipv6();
-			if(rv<0) {
-				fprintf(stderr,"Error: -a: can't check availability of IPv6: %s\n"
-					"Try using -4 or -6 option instead.\n",strerror(errno));
-				exit(1);
-			}
-			if((run_ipv4= !rv))
-				fprintf(stderr,"Switching to IPv4 mode.\n");
-			cmdlineipv=1;
-#else
-			fprintf(stderr,"Warning: -a option does nothing unless pdnsd is compiled with both IPv4 AND IPv6 support.\n");
-#endif
-		} else if(strcmp(arg,"-i")==0 || strcmp(arg,"--ipv4_6_prefix")==0) {
-			if (++i<argc) {
-#ifdef ENABLE_IPV6
-				if(inet_pton(AF_INET6,argv[i],&global.ipv4_6_prefix)<=0) {
-					fprintf(stderr,"Error: %s: argument not a valid IPv6 address.\n",arg);
-					exit(1);
-				}
-				cmdline.prefix=1;
-#else
-				fprintf(stderr,"pdnsd was compiled without IPv6 support. %s will be ignored.\n",arg);
-#endif
-			} else {
-				fprintf(stderr,"Error: IPv6 address expected after %s option.\n",arg);
-				exit(1);
-			}
-		} else if (strcmp(arg,"-s")==0 || strcmp(arg,"--status")==0) {
-			global.stat_pipe=1; cmdline.stat_pipe=1;
-		} else if (strcmp(arg,"--nostatus")==0) {
-			global.stat_pipe=0; cmdline.stat_pipe=1;
-		} else if (strcmp(arg,"-d")==0 || strcmp(arg,"--daemon")==0) {
-			global.daemon=1; cmdline.daemon=1;
-		} else if (strcmp(arg,"--nodaemon")==0) {
-			global.daemon=0; cmdline.daemon=1;
-		} else if (strcmp(arg,"-t")==0 || strcmp(arg,"--tcp")==0) {
-			global.notcp=0; cmdline.notcp=1;
-#ifdef NO_TCP_SERVER
-			fprintf(stderr,"pdnsd was compiled without tcp server support. -t has no effect.\n");
-#endif
-		} else if (strcmp(arg,"--notcp")==0) {
-			global.notcp=1; cmdline.notcp=1;
-		} else if (strcmp(arg,"-p")==0) {
-			if (++i<argc) {
-				global.pidfile=argv[i]; cmdline.pidfile=1;
-			} else {
-				fprintf(stderr,"Error: file name expected after -p option.\n");
-				exit(1);
-			}
-		} else if (strncmp(arg,"-v",2)==0) {
-			if (strlen(arg)!=3 || !isdigit(arg[2])) {
-				fprintf(stderr,"Error: one digit expected after -v option (like -v2).\n");
-				exit(1);
-			}
-			global.verbosity=arg[2]-'0'; cmdline.verbosity=1;
-		} else if (strncmp(arg,"-m",2)==0) {
-			if (strlen(arg)!=4) {
-				fprintf(stderr,"Error: uo, to or tu expected after the  -m option (like -muo).\n");
-				exit(1);
-			}
-			if (strcmp(&arg[2],"uo")==0) {
-#ifdef NO_UDP_QUERIES
-				fprintf(stderr,"Error: pdnsd was compiled without UDP support.\n");
-				exit(1);
-#else
-				global.query_method=UDP_ONLY;
-#endif
-			} else if (strcmp(&arg[2],"to")==0) {
-#ifdef NO_TCP_QUERIES
-				fprintf(stderr,"Error: pdnsd was compiled without TCP support.\n");
-				exit(1);
-#else
-				global.query_method=TCP_ONLY;
-#endif
-			} else if (strcmp(&arg[2],"tu")==0) {
-#if defined(NO_UDP_QUERIES) || defined(NO_TCP_QUERIES)
-				fprintf(stderr,"Error: pdnsd was not compiled with UDP and TCP support.\n");
-				exit(1);
-#else
-				global.query_method=TCP_UDP;
-#endif
-			} else if (strcmp(&arg[2],"ut")==0) {
-#if defined(NO_UDP_QUERIES) || defined(NO_TCP_QUERIES)
-				fprintf(stderr,"Error: pdnsd was not compiled with UDP and TCP support.\n");
-				exit(1);
-#else
-				global.query_method=UDP_TCP;
-#endif
-			} else {
-				fprintf(stderr,"Error: uo, to, tu or ut expected after the  -m option (like -muo).\n");
-				exit(1);
-			}
-			cmdline.query_method=1;
-		} else if (strcmp(arg,"-g")==0 || strcmp(arg,"--debug")==0) {
-			global.debug=1; cmdline.debug=1;
-#if !DEBUG
-			fprintf(stderr,"pdnsd was compiled without debugging support. -g has no effect.\n");
-#endif
-		} else if (strcmp(arg,"--nodebug")==0) {
-			global.debug=0; cmdline.debug=1;
-		} else if (strcmp(arg,"--pdnsd-user")==0) {
-			cmdline.pdnsduser=1;
-		} else {
-			char *equ=strchr(arg,'=');
-			if(equ) {
-				int plen=equ-arg;
-				char *valstr=equ+1;
-#       			define arg_isparam(strlit) (!strncmp(arg,strlit,strlitlen(strlit)) && plen==strlitlen(strlit))
-
-				if(arg_isparam("--config-file")) {
-					conf_file=valstr;
-				}
-				else if(arg_isparam("--ipv4_6_prefix")) {
-#ifdef ENABLE_IPV6
-					if(inet_pton(AF_INET6,valstr,&global.ipv4_6_prefix)<=0) {
-						fprintf(stderr,"Error: --ipv4_6_prefix: argument not a valid IPv6 address.\n");
-						exit(1);
-					}
-					cmdline.prefix=1;
-#else
-					fprintf(stderr,"pdnsd was compiled without IPv6 support. --ipv4_6_prefix will be ignored.\n");
-#endif
-				}
-				else {
-					fprintf(stderr,"Error: unknown option: %.*s\n",plen,arg);
-					exit(1);
-				}
-			} else {
-				fprintf(stderr,"Error: unknown option: %s\n",arg);
-				exit(1);
-			}
-		}
-	}
-
-	init_cache();
-	{
-		char *errmsg;
-		if(!read_config_file(conf_file,&global,&servers,0,&errmsg)) {
-			fputs(errmsg?:"Out of memory.",stderr);
-			fputc('\n',stderr);
-			exit(3);
-		}
-	}
-
-	if(cmdline.pdnsduser) {
-		if (global.run_as[0]) {
-			printf("%s\n",global.run_as);
-		} else {
-			uid_t uid=getuid();
-			struct passwd *pws=getpwuid(uid);
-			if (pws)
-				printf("%s\n",pws->pw_name);
-			else
-				printf("%i\n",uid);
-		}
-		exit(0);
-	}
-
-	if(!global.cache_dir)   global.cache_dir = CACHEDIR;
-	if(!global.scheme_file) global.scheme_file = "/var/lib/pcmcia/scheme";
-	stat_pipe=global.stat_pipe;
-
-	if (!(global.run_as[0] && global.strict_suid)) {
-		for (i=0; i<DA_NEL(servers); i++) {
-			servparm_t *sp=&DA_INDEX(servers,i);
-			if (sp->uptest==C_EXEC && sp->uptest_usr[0]=='\0') {
-				uid_t uid=getuid();
-				struct passwd *pws=getpwuid(uid);
-
-				/* No explicit uptest user given. If we run_as and strict_suid, we assume that
-				 * this is safe. If not - warn. */
-				fprintf(stderr,"Warning: uptest command \"%s\" will implicitly be executed as user ", sp->uptest_cmd);
-				if (pws)
-					fprintf(stderr,"%s\n",pws->pw_name);
-				else
-					fprintf(stderr,"%i\n",uid);
-
-			}
-		}
-	}
-
-	if (global.daemon && global.pidfile) {
-		if (unlink(global.pidfile)!=0 && errno!=ENOENT) {
-			log_error("Error: could not unlink pid file %s: %s",global.pidfile, strerror(errno));
-			exit(1);
-		}
-		if ((pfd=open(global.pidfile,O_WRONLY|O_CREAT|O_EXCL
-#ifdef O_NOFOLLOW
-			      |O_NOFOLLOW
-#else
-		/*
-		 * No O_NOFOLLOW. Nevertheless, this not a hole, since the
-		 * directory for pidfiles should not be world writeable.
-		 * OS's that do not support O_NOFOLLOW are currently not
-		 * supported, this is just-in-case code.
-		 */
-#endif
-			      , 0600))==-1)
-		{
-			log_error("Error: could not open pid file %s: %s",global.pidfile, strerror(errno));
-			exit(1);
-		}
-	}
-	for (i=0;i<DA_NEL(servers);i++) {
-		if (DA_INDEX(servers,i).uptest==C_PING) {
-			init_ping_socket();
-			break;
-		}
-	}
-
-	if (!init_rng())
-		exit(1);
-#if (TARGET==TARGET_LINUX)
-	if (!final_init())
-		exit(1);
-#endif
-
-	{
-		struct sigaction action;
-		action.sa_handler = SIG_IGN;
-		sigemptyset(&action.sa_mask);
-		action.sa_flags = 0;
-		if(sigaction(SIGPIPE, &action, NULL) != 0)
-			log_error("Could not call sigaction to ignore SIGPIPE: %s",strerror(errno));
-	}
-
-	umask(0077); /* for security reasons */
-	if (global.daemon) {
-		pid_t pid;
-		int fd;
-
-		/* become a daemon */
-		pid=fork();
-		if (pid==-1) {
-			log_error("Could not become a daemon: fork #1 failed: %s",strerror(errno));
-			exit(1);
-		}
-		if (pid!=0) {
-			/* This is the parent.
-			   The child is going to do another fork() and will exit quickly.
-			   Perhaps we should wait for the child and return
-			   its exit status? */
-			exit(0); /* exit parent */
-		}
-		/* dissociate from controlling terminal */
-		if (setsid()==-1) {
-			log_error("Could not become a daemon: setsid failed: %s",strerror(errno));
-			_exit(1);
-		}
-		pid=fork();
-		if (pid==-1) {
-			log_error("Could not become a daemon: fork #2 failed: %s",strerror(errno));
-			_exit(1);
-		}
-		if (pid!=0) {
-			int exitval=0;
-			if (global.pidfile) {
-				if(fsprintf(pfd,"%i\n",(int)pid)<0) {
-					log_error("Error: could not write to pid file %s: %s",
-						  global.pidfile, strerror(errno));
-					exitval=1;
-				}
-				if(close(pfd)<0) {
-					log_error("Error: could not close pid file %s: %s",
-						  global.pidfile, strerror(errno));
-					exitval=1;
-				}
-			}
-			_exit(exitval); /* exit parent, so we are no session group leader */
-		}
-
-		if (global.pidfile) close(pfd);
-		if(chdir("/"))
-			log_warn("Cannot chdir to root directory: %s",strerror(errno));
-		if ((fd=open("/dev/null",O_RDONLY))==-1) {
-			log_error("Could not become a daemon: open for /dev/null failed: %s",strerror(errno));
-			_exit(1);
-		}
-		dup2(fd,0);
-		close(fd);
-		if ((fd=open("/dev/null",O_WRONLY))==-1) {
-			log_error("Could not become a daemon: open for /dev/null failed: %s",strerror(errno));
-			_exit(1);
-		}
-		dup2(fd,1);
-		dup2(fd,2);
-		close(fd);
-#if DEBUG>0
-		if (global.debug) {
-			char dbgpath[strlen(global.cache_dir)+sizeof("/pdnsd.debug")];
-			stpcpy(stpcpy(dbgpath,global.cache_dir),"/pdnsd.debug");
-			if (!(dbg_file=fopen(dbgpath,"w")))
-				log_warn("Warning: could not open debug file %s: %s",dbgpath, strerror(errno));
-		}
-#endif
-	} else {
-#if DEBUG>0
-		dbg_file=stdout;
-#endif
-	}
-
-#if DEBUG>0
-	debug_p= (global.debug && dbg_file);
-#endif
-	log_info(0,"pdnsd-%s starting.\n",VERSION);
-	DEBUG_MSG("Debug messages activated\n");
-
-#if (TARGET!=TARGET_LINUX)
-	if (!final_init())
-		_exit(1);
-#endif
-	DEBUG_MSG(SEL_IPVER("Using IPv4.\n", "Using IPv6.\n"));
-
-	/* initialize attribute for creating detached threads */
-	pthread_attr_init(&attr_detached);
-	pthread_attr_setdetachstate(&attr_detached,PTHREAD_CREATE_DETACHED);
-
-	read_disk_cache();
-
-	/* This must be done before any other thread is started to avoid races. */
-	if (stat_pipe)
-		init_stat_sock();
-
-
-	/* Before this point, logging and cache accesses are not locked because we are single-threaded. */
-	init_log_lock();
-	init_cache_lock();
-
-	sigemptyset(&sigs_msk);
-	sigaddset(&sigs_msk,SIGHUP);
-	sigaddset(&sigs_msk,SIGINT);
-#ifndef THREADLIB_NPTL
-	sigaddset(&sigs_msk,SIGILL);
-#endif
-	sigaddset(&sigs_msk,SIGABRT);
-	sigaddset(&sigs_msk,SIGFPE);
-#ifndef THREADLIB_NPTL
-	sigaddset(&sigs_msk,SIGSEGV);
-#endif
-	sigaddset(&sigs_msk,SIGTERM);
-	/* if (!daemon_p) {
-		sigaddset(&sigs_msk,SIGQUIT);
-	} */
-#if (TARGET==TARGET_LINUX)
-	pthread_sigmask(SIG_BLOCK,&sigs_msk,NULL);
-#endif
-
-#if DEBUG>0
-	{
-		int err;
-		/* Generate a key for storing our thread id's */
-		if ((err=pthread_key_create(&thrid_key, NULL)) != 0) {
-			log_error("pthread_key_create failed: %s",strerror(err));
-			_exit(1);
-		}
-	}
-#endif
-
-	{
-#if DEBUG>0
-		int thrdsucc=1;
-# define thrdfail (thrdsucc=0)
-#else
-# define thrdfail
-#endif
-
-		if(start_servstat_thread()) thrdfail;
-
-#if (TARGET==TARGET_LINUX)
-		if (!global.strict_suid) {
-			if (!run_as(global.run_as)) {
-				_exit(1);
-			}
-		}
-#endif
-
-		if (stat_pipe)
-			if(start_stat_sock()) thrdfail;
-
-		start_dns_servers();
-
-#if DEBUG>0
-		if(thrdsucc) {
-			DEBUG_MSG("All threads started successfully.\n");
-		}
-#endif
-#undef thrdfail
-	}
-
-#if (TARGET==TARGET_LINUX) && !defined(THREADLIB_NPTL)
-	pthread_sigmask(SIG_BLOCK,&sigs_msk,NULL);
-	waiting=1;
-#endif
-	{
-		int err;
-		while ((err=sigwait(&sigs_msk,&sig))) {
-			if (err!=EINTR) {
-				log_error("sigwait failed: %s",strerror(err));
-				sig=0;
-				break;
-			}
-		}
-	}
-	if(sig) DEBUG_MSG("Signal %i caught.\n",sig);
-	write_disk_cache();
-	destroy_cache();
-	if(sig) log_warn("Caught signal %i. Exiting.",sig);
-	if (sig==SIGSEGV || sig==SIGILL || sig==SIGBUS)
-		crash_msg("This is a fatal signal probably triggered by a bug.");
-	if (ping_isocket!=-1)
-		close(ping_isocket);
-#ifdef ENABLE_IPV6
-	if (ping6_isocket!=-1)
-		close(ping6_isocket);
-#endif
-	/* Close and delete the status socket */
-	if(stat_pipe) close(stat_sock);
-	if (sock_path && unlink(sock_path))
-		log_warn("Failed to unlink %s: %s",sock_path, strerror(errno));
-
-	free_rng();
-#if DEBUG>0
-	if (debug_p && global.daemon)
-		if(fclose(dbg_file)<0) {
-			log_warn("Could not close debug file: %s", strerror(errno));
-		}
-#endif
-	_exit(0);
-}
diff --git a/app/src/main/jni/pdnsd/src/make_rr_types_h.pl b/app/src/main/jni/pdnsd/src/make_rr_types_h.pl
deleted file mode 100644
index c8c0f9f..0000000
--- a/app/src/main/jni/pdnsd/src/make_rr_types_h.pl
+++ /dev/null
@@ -1,309 +0,0 @@
-#!/usr/bin/perl -w
-
-# This Perl script is used to generate rr_types.h, using rr_types.in as input.
-#
-# Copyright (C) 2010, 2011 Paul A. Rombouts
-#
-# This file is part of the pdnsd package.
-#
-
-use strict;
-use integer;
-
-print << "END-OF-TEXT";
-/* This file was generated by running '$0 @ARGV'.
-   Modifications to this file may be lost the next time it is automatically
-   regenerated.
-*/
-
-END-OF-TEXT
-
-my %valdic;
-my %namedic;
-my %classdic;
-my %muset;
-my $nrr=0;
-my $nmu=0;
-my $minval;
-my $maxval;
-#my $maxmuval;
-
-while(<>) {
-    if(/\S/ && !/^\s*\#/) {
-	if(/^\s*(?:([*+-])\s*)?([\w-]+)\s+(\d+)\s+(?:\((\w+)\))?/) {
-	    my $mu = $1; my $name=$2; my $val=$3+0; my $class=$4;
-	    $name =~ s/-/_/g;
-	    if(defined($valdic{$name})) {warn "The name \"$name\" does not have a unique value.\n"}
-	    if(defined($namedic{$val})) {warn "The value \"$val\" does not have a unique name.\n"}
-	    $valdic{$name}=$val; $namedic{$val}=$name; $classdic{$val}=$class if defined($class);
-	    if(defined($mu)) {
-		if($mu eq '-') {next}
-		$muset{$val}= 1;
-		++$nmu;
-		#if(!defined($maxmuval) || $val>$maxmuval) {$maxmuval=$val}
-	    }
-	    else {$muset{$val}= 0}
-	    ++$nrr;
-	    if(!defined($minval) || $val<$minval) {$minval=$val}
-	    if(!defined($maxval) || $val>$maxval) {$maxval=$val}
-	}
-	else {die "Can't find name-value pair in following line:\n$_\n"}
-    }
-}
-
-defined($minval) or die "No values defined.\n";
-if($nrr>255) {warn "Warning: total number of cache-able RR types is greater than 255.\n"}
-
-print << 'END-OF-TEXT';
-/* rr_types.h - A header file with names & descriptions of
-                all rr types known to pdnsd
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2007, 2010, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef _RR_TYPES_H_
-#define _RR_TYPES_H_
-
-#include <config.h>
-
-END-OF-TEXT
-
-print "#define T_MIN $minval\n";
-foreach my $name (sort {$valdic{$a} <=> $valdic{$b} } (keys %valdic)) {
-    printf("#define %-12s %2d\n", "T_$name", $valdic{$name});
-}
-print "#define T_MAX $maxval\n";
-print("\n/* T_MAX - T_MIN + 1 */\n","#define T_NUM ",$maxval+1-$minval,"\n");
-#print("\n/* Largest most frequently used type value. */\n","#define T_MAXMU $maxmuval\n");
-print("\n/* Number of most frequently used rr types. */\n","#define NRRMU $nmu\n");
-print("\n/* Number of remaining rr types. */\n","#define NRREXT ",$nrr-$nmu,"\n");
-print("\n/* NRRMU + NRREXT */\n","#define NRRTOT $nrr\n");
-
-print << 'END-OF-TEXT';
-
-/* Lookup table for converting rr type values to internally used indices. */
-extern const unsigned short int rrlkuptab[T_NUM];
-#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
-const unsigned short int rrlkuptab[T_NUM] = {
-END-OF-TEXT
-my @rrtpval=();
-for(my $val=$minval, my $i=0, my $j=$nmu, my $k=$nrr; $val<=$maxval; ++$val) {
-    my $idx;
-    if(defined($muset{$val})) {
-	if($muset{$val}) {
-	    $idx = $i++;
-	}
-	else {
-	    $idx =  $j++;
-	}
-	$rrtpval[$idx]=$val;
-    }
-    else {
-	$idx = $k++;
-    }
-
-    printf('%4d', $idx);
-    if(defined($namedic{$val})) {
-	print "  /* $namedic{$val} */";
-    }
-    print ',' if $val<$maxval;
-    print "\n";
-}
-#print << 'END-OF-TEXT';
-#};
-##endif
-#
-#/* Table for converting internally used indices to rr type values.
-#   This is more or less the inverse of the rrlkuptab[] mapping. */
-#extern const unsigned short int rrtpval[NRRTOT];
-##if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
-#const unsigned short int rrtpval[NRRTOT] = {
-#END-OF-TEXT
-#for(my $i=0; $i<$nrr; ++$i) {
-#    if($i ==0) {
-#	print "  /* Most frequently used types. */\n";
-#    }
-#    else {
-#	print ",\n";
-#    }
-#    print "  /* Remaining (less frequently used) types. */\n"
-#	if $i == $nmu;
-#    my $val= $rrtpval[$i];
-#    print("  ",defined($namedic{$val})? "T_$namedic{$val}": $val);
-#}
-print << 'END-OF-TEXT';
-};
-#endif
-
-/* List of most frequently used RR types in ascending order. */
-extern const unsigned short int rrmuiterlist[NRRMU];
-#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
-const unsigned short int rrmuiterlist[NRRMU] = {
-END-OF-TEXT
-for(my $val=$minval, my $i=0; $val<=$maxval; ++$val) {
-    if(defined($muset{$val}) && $muset{$val}) {
-	print ",\n" if $i++;
-	print("  ",defined($namedic{$val})? "T_$namedic{$val}": $val);
-    }
-}
-print << 'END-OF-TEXT';
-
-};
-#endif
-
-/* List of the cache-able RR types in ascending order. */
-extern const unsigned short int rrcachiterlist[NRRTOT];
-#if DEFINE_RR_TYPE_ARRAYS
-const unsigned short int rrcachiterlist[NRRTOT] = {
-END-OF-TEXT
-for(my $val=$minval, my $i=0; $val<=$maxval; ++$val) {
-    if(defined($muset{$val})) {
-	print ",\n" if $i++;
-	print("  ",defined($namedic{$val})? "T_$namedic{$val}": $val);
-    }
-}
-print << 'END-OF-TEXT';
-
-};
-#endif
-
-/* Optimized getrrset macros for fixed rr types. */
-END-OF-TEXT
-for(my $val=$minval, my $i=0, my $j=0; $val<=$maxval; ++$val) {
-    if(defined($muset{$val})) {
-	my $name = $namedic{$val};
-	my $mdef;
-	if($muset{$val}) {
-	    $mdef= "GET_RRSMU(cent,$i)";
-	    ++$i;
-	}
-	else {
-	    $mdef= "GET_RRSEXT(cent,$j)";
-	    ++$j;
-	}
-	printf("#define %-25s %s\n", "getrrset_$name(cent)", $mdef)
-	    if defined($name);
-    }
-}
-print << 'END-OF-TEXT';
-
-/* have_rr macros for fixed rr types. */
-END-OF-TEXT
-for(my $val=$minval, my $i=0, my $j=0; $val<=$maxval; ++$val) {
-    my $name = $namedic{$val};
-    my $mdef = '0';
-    if(defined($muset{$val})) {
-	if($muset{$val}) {
-	    $mdef= "HAVE_RRMU(cent,$i)";
-	    ++$i;
-	}
-	else {
-	    $mdef= "HAVE_RREXT(cent,$j)";
-	    ++$j;
-	}
-    }
-    printf("#define %-25s %s\n", "have_rr_$name(cent)", $mdef)
-	if defined($name);
-}
-print << 'END-OF-TEXT';
-
-/* These macros specify which RR types are cached by pdnsd. */
-END-OF-TEXT
-for(my $val=$minval; $val<=$maxval; ++$val) {
-    if(defined($muset{$val})) {
-	my $name = $namedic{$val};
-	printf("#define IS_CACHED_%-10s 1\n", defined($name)? $name: "TYPE$val")
-    }
-}
-print << 'END-OF-TEXT';
-
-/* Array indices for most frequently used rr types. */
-END-OF-TEXT
-for(my $val=$minval, my $i=0; $val<=$maxval; ++$val) {
-    if(defined($muset{$val}) && $muset{$val}) {
-	printf("#define %-18s %2d\n", "RRMUINDEX_$namedic{$val}", $i)
-	    if defined($namedic{$val});
-	++$i;
-    }
-}
-print << 'END-OF-TEXT';
-
-/* Table of rr names. */
-extern const char *const rrnames[T_NUM];
-#if DEFINE_RR_TYPE_ARRAYS
-const char *const rrnames[T_NUM] = {
-END-OF-TEXT
-for(my $val=$minval; $val<=$maxval; ++$val) {
-    my $name = $namedic{$val};
-    print('  "', defined($name)? $name: "TYPE$val", '"');
-    print ',' if $val<$maxval;
-    print "\n";
-}
-print << 'END-OF-TEXT';
-};
-#endif
-
-/* Structure for rr information */
-struct rr_infos {
-	unsigned short class;		/* class (values see below) */
-	unsigned short excludes;	/* relations to other classes.
-					   Mutual exclusion is marked by or'ing the
-					   respective RRCL value in this field.
-					   Exclusions should be symmetric. */
-};
-
-/* Class values */
-#define RRCL_ALIAS	1	/* for CNAMES, conflicts with RRCL_RECORD */
-#define RRCL_RECORD	2	/* normal direct record */
-#define RRCL_IDEM	4	/* types that conflict with no others (MX, CNAME, ...) */
-#define RRCL_PTR	8	/* PTR */
-
-/* Standard excludes for the classes */
-#define RRX_ALIAS	(RRCL_RECORD|RRCL_PTR)
-#define	RRX_RECORD	(RRCL_ALIAS|RRCL_PTR)
-#define	RRX_IDEM	0
-#define	RRX_PTR		(RRCL_ALIAS|RRCL_RECORD)
-
-/* There could be a separate table detailing the relationship of types, but this
- * is slightly more flexible, as it allows a finer granularity of exclusion. Also,
- * Membership in multiple classes could be added.
- * Index by internally used RR-set indices, not RR type values!
- */
-extern const struct rr_infos rr_info[NRRTOT];
-#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
-const struct rr_infos rr_info[NRRTOT] = {
-END-OF-TEXT
-for(my $i=0; $i<$nrr; ++$i) {
-    print ",\n" if $i;
-    my $val=$rrtpval[$i];
-    my $class = (defined($classdic{$val})? $classdic{$val}: 'IDEM');
-    printf('  %-16s %-15s %s',"{RRCL_$class,", "RRX_$class}", defined($namedic{$val})?"/* $namedic{$val} */":"");
-}
-print << 'END-OF-TEXT';
-
-};
-#endif
-
-int rr_tp_byname(char *name);
-const char *loc2str(const void *binary, char *ascii, size_t asclen);
-
-#endif
-END-OF-TEXT
-
-exit
diff --git a/app/src/main/jni/pdnsd/src/netdev.c b/app/src/main/jni/pdnsd/src/netdev.c
deleted file mode 100644
index bd5f8c4..0000000
--- a/app/src/main/jni/pdnsd/src/netdev.c
+++ /dev/null
@@ -1,363 +0,0 @@
-/* netdev.c - Test network devices for existence and status
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-/*
- * Portions are under the following copyright and taken from FreeBSD
- * (clause 3 deleted as it no longer applies):
- *
- * Copyright (c) 1982, 1986, 1989, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)if.h	8.1 (Berkeley) 6/10/93
- * $FreeBSD: src/sys/net/if.h,v 1.58.2.1 2000/05/05 13:37:04 jlemon Exp $
- */
-
-#include <config.h>
-#include "ipvers.h"
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <net/if.h>
-#include <netdb.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include "helpers.h"
-#include "netdev.h"
-#include "error.h"
-
-
-#if (TARGET==TARGET_BSD)
-/* Taken from FreeBSD net/if.h rev. 1.58.2.1 */
-#define	SIZEOF_ADDR_IFREQ(ifr) \
-	((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
-	 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \
-	  (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
-#elif (TARGET==TARGET_CYGWIN)
-#define SIZEOF_ADDR_IFREQ(ifr) (sizeof(struct sockaddr))
-#endif
-
-#define MAX_SOCKETOPEN_ERRS 10
-static volatile unsigned long socketopen_errs=0;
-
-/*
- * Portions of the following code are Linux/FreeBSD specific.
- * Please write interface-detection routines for other flavours of Unix if you can and want.
- */
-
-#if (TARGET==TARGET_LINUX) || (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)
-# if (TARGET==TARGET_LINUX)
-
-static volatile unsigned long isdn_errs=0;
-
-#  ifdef ISDN_SUPPORT
-
-/*
- * Test the status of an ippp interface. Taken from the isdn4k-utils (thanks!) and adapted
- * by me (I love free software!)
- * This will not work with older kernels.
- * If your kernel is too old or too new, just try to get the status as uptest=exec command
- * This will work, although slower.
- */
-
-#   include <linux/isdn.h>
-
-int statusif(char *name)
-{
-	isdn_net_ioctl_phone phone;
-	int isdninfo,rc=0;
-
-	if ((isdninfo = open("/dev/isdninfo", O_RDONLY))<0) {
-		if (++isdn_errs<=2) {
-			log_warn("Could not open /dev/isdninfo for uptest: %s",strerror(errno));
-		}
-		return 0;
-	}
-
-	strncp(phone.name, name, sizeof(phone.name));
-	if (ioctl(isdninfo, IIOCNETGPN, &phone)==0)
-		rc=1;
-	close(isdninfo);
-	return rc;
-}
-#  endif
-
-/*
- * Test whether the network interface specified in ifname and its
- * associated device specified in devname have locks owned by the
- * same process.
- */
-int dev_up(char *ifname, char *devname)
-{
- 	FILE *fd;
- 	int pidi, pidd, rv;
-
-	{
-	  char path[sizeof("/var/run/.pid")+strlen(ifname)];
-	  stpcpy(stpcpy(stpcpy(path,"/var/run/"),ifname),".pid");
-	  if ((fd=fopen(path, "r")) == NULL )
-	    return 0;
-
-	  if (fscanf(fd, "%d", &pidi) != 1 ) {
-	    fclose(fd) ;
-	    return 0;
-	  }
-	  fclose(fd);
-	}
-
-	{
-	  char path[sizeof("/var/lock/LCK..")+strlen(devname)];
-	  stpcpy(stpcpy(path,"/var/lock/LCK.."),devname);
-	  if ((fd=fopen(path, "r")) == NULL)
-	    return 0;
-
-	  if (fscanf(fd, "%d", &pidd) != 1) {
-	    fclose(fd);
-	    return 0;
-	  }
-	  fclose(fd);
-	}
-
- 	if (pidi != pidd)
-		return 0;
-	/* Test whether pppd is still alive */
-	rv=kill(pidi,0);
-	return (rv==0 || (rv==-1 && errno!=ESRCH));
-}
-
-
-# endif /*(TARGET==TARGET_LINUX)*/
-
-/*
- * Test whether the network device specified in devname is up and
- * running (returns -1) or non-existent, down or not-running (returns 0)
- *
- * Note on IPv6-Comptability: rfc2133 requires all IPv6 implementation
- * to be backwards-compatible to IPv4 in means of permitting socket(PF_INET,...)
- * and similar. So, I don't put code here for both IPv4 and IPv6, since
- * I use that socket only for ioctls. If somebody notices incompatabilities,
- * please notify me.
- */
-int if_up(char *devname)
-{
-	int sock;
-	struct ifreq ifr;
-# if (TARGET==TARGET_LINUX)
-	unsigned int devnamelen=strlen(devname);
-	if (devnamelen>4 && devnamelen<=6 && strncmp(devname,"ippp",4)==0) {
-		/* This function didn't manage the interface uptest correctly. Thanks to
-		 * Joachim Dorner for pointing out.
-		 * The new code (statusif()) was shamelessly stolen from isdnctrl.c of the
-		 * isdn4k-utils. */
-#  ifdef ISDN_SUPPORT
-		return statusif(devname);
-#  else
-		if (isdn_errs++==0) {
-			log_warn("An ippp? device was specified for uptest, but pdnsd was compiled without ISDN support.");
-			log_warn("The uptest result will be wrong.");
-		}
-#  endif
-		/* If it doesn't match our rules for isdn devices, treat as normal if */
-	}
-# endif
-	if ((sock=socket(PF_INET,SOCK_DGRAM, IPPROTO_UDP))==-1) {
-		if(++socketopen_errs<=MAX_SOCKETOPEN_ERRS) {
-			log_warn("Could not open socket in if_up(): %s",strerror(errno));
-		}
-		return 0;
-	}
-	strncp(ifr.ifr_name,devname,IFNAMSIZ);
-	if (ioctl(sock,SIOCGIFFLAGS,&ifr)==-1) {
-		close(sock);
-		return 0;
-	}
-	close(sock);
-	return (ifr.ifr_flags&IFF_UP) && (ifr.ifr_flags&IFF_RUNNING);
-}
-
-# if (TARGET==TARGET_LINUX)
-#  ifdef ENABLE_IPV6
-#define MAX_IF_INET6_OPEN_ERRS 10
-static volatile unsigned long if_inet6_open_errs=0;
-#  endif
-
-int is_local_addr(pdnsd_a *a)
-{
-	int res=0;
-
-#  ifdef ENABLE_IPV4
-	if (run_ipv4) {
-		int i,sock;
-		struct ifreq ifr;
-		if ((sock=socket(PF_INET,SOCK_DGRAM, IPPROTO_UDP))==-1) {
-			if(++socketopen_errs<=MAX_SOCKETOPEN_ERRS) {
-				log_warn("Could not open socket in is_local_addr(): %s",strerror(errno));
-			}
-			return 0;
-		}
-		for (i=1;i<255;i++) {
-			ifr.ifr_ifindex=i;
-			if (ioctl(sock,SIOCGIFNAME,&ifr)==-1) {
-				/* There may be gaps in the interface enumeration, so just continue */
-				continue;
-			}
-			if (ioctl(sock,SIOCGIFADDR, &ifr)==-1) {
-				continue;
-			}
-			if (((struct sockaddr_in *)(&ifr.ifr_addr))->sin_addr.s_addr==a->ipv4.s_addr) {
-				res=1;
-				break;
-			}
-		}
-		close(sock);
-	}
-
-#  endif
-#  ifdef ENABLE_IPV6
-	ELSE_IPV6 {
-		char   buf[40];
-		FILE   *f;
-		struct in6_addr b;
-		/* the interface configuration and information retrieval is obiously currently done via
-		 * rt-netlink sockets. I think it is relatively likely to change in an incompatible way the
-		 * Linux kernel (there seem to be some major changes for 2.4).
-		 * Right now, I just analyze the /proc/net/if_inet6 entry. This may not be the fastest, but
-		 * should work and is easy to adapt should the format change. */
-		if (!(f=fopen("/proc/net/if_inet6","r"))) {
-			if(++if_inet6_open_errs<=MAX_IF_INET6_OPEN_ERRS) {
-				log_warn("Could not open /proc/net/if_inet6 in is_local_addr(): %s",strerror(errno));
-			}
-			return 0;
-		}
-		/* The address is at the start of the line. We just read 32 characters and insert a ':' 7
-		 * times. Such, we can use inet_pton conveniently. More portable, that. */
-		for(;;) {
-			int i,ch; char *p=buf;
-			for (i=0;i<32;i++) {
-				if(i && i%4==0) *p++ = ':';
-				if ((ch=fgetc(f))==EOF)
-					goto fclose_return; /* we are at the end of the file and haven't found anything.*/
-				if(ch=='\n') goto nextline;
-				*p++ = ch;
-			}
-			*p=0;
-			if (inet_pton(AF_INET6,buf,&b) >0) {
-				if (IN6_ARE_ADDR_EQUAL(&b,&a->ipv6)) {
-					res=1;
-					goto fclose_return;
-				}
-			}
-			do {
-				if ((ch=fgetc(f))==EOF) goto fclose_return;
-			} while(ch!='\n');
-		nextline:;
-		}
-	fclose_return:
-		fclose(f);
-	}
-#  endif
-	return res;
-}
-
-# else /*(TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)*/
-
-
-#define MAX_SIOCGIFCONF_ERRS 4
-static volatile unsigned long siocgifconf_errs=0;
-
-int is_local_addr(pdnsd_a *a)
-{
-	int retval=0, sock, cnt;
-        struct ifconf ifc;
-	char buf[2048];
-
-
-	if ((sock=socket(PF_INET,SOCK_DGRAM, IPPROTO_UDP))==-1) {
-		if(++socketopen_errs<=MAX_SOCKETOPEN_ERRS) {
-			log_warn("Could not open socket in is_local_addr(): %s",strerror(errno));
-		}
-		return 0;
-	}
-
-	ifc.ifc_len=sizeof(buf);
-	ifc.ifc_buf=buf;
-	if (ioctl(sock,SIOCGIFCONF,&ifc)==-1) {
-		if(++siocgifconf_errs<=MAX_SIOCGIFCONF_ERRS) {
-			log_warn("ioctl() call with request SIOCGIFCONF failed in is_local_addr(): %s",strerror(errno));
-		}
-	        goto close_sock_return;
-	}
-
-	cnt=0;
-	while(cnt+sizeof(struct ifreq)<=ifc.ifc_len) {
-		struct ifreq *ir= (struct ifreq *)(buf+cnt);
-		cnt += SIZEOF_ADDR_IFREQ(*ir);
-		if (cnt>ifc.ifc_len)
-			break;
-		if (SEL_IPVER(ir->ifr_addr.sa_family==AF_INET &&
-			       ((struct sockaddr_in *)&ir->ifr_addr)->sin_addr.s_addr==a->ipv4.s_addr,
-			      ir->ifr_addr.sa_family==AF_INET6 &&
-			       IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)&ir->ifr_addr)->sin6_addr,
-						  &a->ipv6)))
-		{
-			retval=1;
-			break;
-		}
-	}
-
- close_sock_return:
-	close(sock);
-
-	return retval;
-}
-
-# endif
-
-#else
-# error "Huh. No OS macro defined."
-#endif
diff --git a/app/src/main/jni/pdnsd/src/netdev.h b/app/src/main/jni/pdnsd/src/netdev.h
deleted file mode 100644
index 529b8a8..0000000
--- a/app/src/main/jni/pdnsd/src/netdev.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* netdev.h - Test network devices for existence and status
-   Copyright (C) 2000 Thomas Moestl
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef _NETDEV_H_
-#define _NETDEV_H_
-
-#include <config.h>
-#include "ipvers.h"
-
-int if_up(char *devname);
-int dev_up(char *ifname, char *devname);
-int is_local_addr(pdnsd_a *a);
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.am b/app/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.am
deleted file mode 100644
index bcb7327..0000000
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+++ /dev/null
@@ -1,18 +0,0 @@
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-
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-
-pdnsd-ctl.o rr_types.o: ../rr_types.h
-
-../rr_types.h: ../make_rr_types_h.pl ../rr_types.in
-	perl ../make_rr_types_h.pl ../rr_types.in > ../rr_types.h
-
-rr_types.o: %.o: ../%.c
-	$(COMPILE) -DCLIENT_ONLY -c $<
-
diff --git a/app/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.in b/app/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.in
deleted file mode 100644
index 80f3987..0000000
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diff --git a/app/src/main/jni/pdnsd/src/pdnsd-ctl/pdnsd-ctl.c b/app/src/main/jni/pdnsd/src/pdnsd-ctl/pdnsd-ctl.c
deleted file mode 100644
index 33a21ce..0000000
--- a/app/src/main/jni/pdnsd/src/pdnsd-ctl/pdnsd-ctl.c
+++ /dev/null
@@ -1,799 +0,0 @@
-/* pdnsd-ctl.c - Control pdnsd through a pipe
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <stdio.h>
-#include <stdlib.h>
-#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#endif
-#include <string.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <stddef.h>	/* for offsetof */
-#include "../helpers.h"
-#include "../status.h"
-#include "../conff.h"
-#include "../list.h"
-#include "../dns.h"
-#include "../rr_types.h"
-#include "../cache.h"
-
-#if !defined(HAVE_ALLOCA) && !defined(alloca)
-#define alloca malloc
-#endif
-
-
-#if defined(HAVE_STRUCT_IN6_ADDR) && defined(HAVE_INET_PTON)
-# define ALLOW_AAAA IS_CACHED_AAAA
-#else
-# define ALLOW_AAAA 0
-#endif
-
-static short int verbose=1;
-
-typedef struct {
-	char *name;
-	int  val;
-} cmd_s;
-
-#define CMD_LIST_RRTYPES (CTL_MAX+1)
-#define CMD_HELP         (CTL_MAX+2)
-#define CMD_VERSION      (CTL_MAX+3)
-
-static const cmd_s top_cmds[]={
-	{"help",CMD_HELP},{"version",CMD_VERSION},{"list-rrtypes",CMD_LIST_RRTYPES},
-	{"status",CTL_STATS},{"server",CTL_SERVER},{"record",CTL_RECORD},
-	{"source",CTL_SOURCE},{"add",CTL_ADD},{"neg",CTL_NEG},
-	{"config",CTL_CONFIG},{"include",CTL_INCLUDE},{"eval",CTL_EVAL},
-	{"empty-cache",CTL_EMPTY}, {"dump",CTL_DUMP},
-	{NULL,0}
-};
-static const cmd_s server_cmds[]= {{"up",CTL_S_UP},{"down",CTL_S_DOWN},{"retest",CTL_S_RETEST},{NULL,0}};
-static const cmd_s record_cmds[]= {{"delete",CTL_R_DELETE},{"invalidate",CTL_R_INVAL},{NULL,0}};
-static const cmd_s onoff_cmds[]= {{"off",0},{"on",1},{NULL,0}};
-static const cmd_s rectype_cmds[]= {{"a",T_A},
-#if ALLOW_AAAA
-				    {"aaaa",T_AAAA},
-#endif
-				    {"ptr",T_PTR},{"cname",T_CNAME},{"mx",T_MX},{"ns",T_NS},{NULL,0}};
-
-static const char version_message[] =
-	"pdnsd-ctl, version pdnsd-" VERSION "\n\n";
-
-static const char license_statement[] =
-	"Copyright (C) 2000, 2001 Thomas Moestl\n"
-	"Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011 Paul A. Rombouts\n\n"
-	"This program is part of the pdnsd package.\n\n"
-	"pdnsd is free software; you can redistribute it and/or modify\n"
-	"it under the terms of the GNU General Public License as published by\n"
-	"the Free Software Foundation; either version 3 of the License, or\n"
-	"(at your option) any later version.\n\n"
-	"pdnsd is distributed in the hope that it will be useful,\n"
-	"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-	"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-	"GNU General Public License for more details.\n\n"
-	"You should have received a copy of the GNU General Public License\n"
-	"along with pdsnd; see the file COPYING.  If not, see\n"
-	"<http://www.gnu.org/licenses/>.\n";
-
-static const char *const help_messages[] =
-{
-	"Usage: pdnsd-ctl [-c cachedir] [-q] <command> [arguments]\n\n"
-
-	"Command-line options:\n"
-
-	"-c\tcachedir\n\tSet the cache directory to cachedir (must match pdnsd setting).\n"
-	"\tThe default is '" CACHEDIR "'.\n"
-	"-q\n\tBe quiet unless output is specified by command or something goes wrong.\n\n"
-
-	"Commands and needed arguments are:\n"
-
-	"help\t[no arguments]\n\tPrint this help.\n"
-	"version\t[no arguments]\n\tPrint version and license info.\n",
-
-	"status\t[no arguments]\n\tPrint pdnsd's status.\n",
-
-	"server\t(index|label)\t(up|down|retest)\t[dns1[,dns2[,...]]]\n"
-	"\tSet the status of the server with the given index to up or down, or\n"
-	"\tforce a retest. The index is assigned in the order of definition in\n"
-	"\tpdnsd.conf starting with 0. Use the status command to see the indexes.\n"
-	"\tYou can specify the label of a server (that matches the label option)\n"
-	"\tinstead of an index to make this easier.\n"
-
-	"\tYou can specify all instead of an index to perform the action for all\n"
-	"\tservers registered with pdnsd.\n"
-
-	"\tAn optional third argument can be given consisting of a list of IP\n"
-	"\taddresses separated by commas or spaces. This list will replace the\n"
-	"\taddresses of name servers used by pdnsd for the given server section.\n"
-	"\tThis feature is useful for run-time configuration of pdnsd with dynamic\n"
-	"\tDNS data in scripts called by ppp or DHCP clients. The last argument\n"
-	"\tmay also be an empty string, which causes existing IP addresses to be\n"
-	"\tremoved and the corresponding server section to become inactive.\n",
-
-	"record\tname\t(delete|invalidate)\n"
-	"\tDelete or invalidate the record of the given domain if it is in the\n"
-	"\tcache.\n",
-
-	"source\tfn\towner\t[ttl]\t[(on|off)]\t[noauth]\n"
-	"\tLoad a hosts-style file. Works like using the pdnsd source\n"
-	"\tconfiguration section.\n"
-	"\tOwner and ttl are used as in the source section. ttl has a default\n"
-	"\tof 900 (it does not need to be specified). The next to last argument\n"
-	"\tcorresponds to the serve_aliases option, and is off by default.\n"
-	"\tnoauth is used to make the domains non-authoritative (please\n"
-	"\tconsult the pdnsd manual for what that means).\n"
-	"\tfn is the name of the file, which must be readable by pdnsd.\n",
-
-	"add\ta\taddr\tname\t[ttl]\t[noauth]\n"
-#if ALLOW_AAAA
-	"add\taaaa\taddr\tname\t[ttl]\t[noauth]\n"
-#endif
-	"add\tptr\thost\tname\t[ttl]\t[noauth]\n"
-	"add\tcname\thost\tname\t[ttl]\t[noauth]\n"
-	"add\tmx\thost\tname\tpref\t[ttl]\t[noauth]\n"
-	"add\tns\thost\tname\t[ttl]\t[noauth]\n"
-	"\tAdd a record of the given type to the pdnsd cache, replacing existing\n"
-	"\trecords for the same name and type. The 2nd argument corresponds\n"
- 	"\tto the value of the option in the rr section that is named like\n"
- 	"\tthe first argument. The addr argument may be a list of IP addresses,\n"
-	"\tseparated by commas or white space. The ttl is optional, the default is\n"
-	"\t900 seconds. noauth is used to make the domains non-authoritative.\n"
- 	"\tIf you want no other record than the newly added in the cache, do\n"
- 	"\tpdnsdctl record <name> delete\n"
- 	"\tbefore adding records.\n",
-
-	"neg\tname\t[type]\t[ttl]\n"
- 	"\tAdd a negatively cached record to pdnsd's cache, replacing existing\n"
-	"\trecords for the same name and type. If no type is given, the whole\n"
-	"\tdomain is cached negatively. For negatively cached records, errors are\n"
-	"\timmediately returned on a query, without querying other servers first.\n"
-	"\tThe ttl is optional, the default is 900 seconds.\n",
-
-	"config\t[filename]\n"
-	"\tReload pdnsd's configuration file.\n"
-	"\tThe config file must be owned by the uid that pdnsd had when it was\n"
-	"\tstarted, and be readable by pdnsd's run_as uid. If no file name is\n"
-	"\tspecified, the config file used at start up is reloaded.\n",
-
-	"include\tfilename\n"
-	"\tParse the given file as an include file, which may contain the same\n"
-	"\ttype of sections as a config file, expect for global and server\n"
-	"\tsections, which are not allowed. This command can be used to add data\n"
-	"\tto the cache without reconfiguring pdnsd.\n",
-
-	"eval\tstring\n"
-	"\tParse string as if it were part of pdnsd's configuration file.\n"
-	"\tThe string should hold one or more complete configuration sections,\n"
-	"\tbut no global and server sections, which are not allowed.\n"
-	"\tIf multiple strings are given, they will be joined using newline chars\n"
-	"\tand parsed together.\n",
-
-	"empty-cache\t[[+|-]name ...]\n"
-	"\tDelete all entries in the cache matching include/exclude rules.\n"
-	"\tIf no arguments are provided, the cache is completely emptied,\n"
-	"\tfreeing all existing entries. This also removes \"local\" records,\n"
-	"\tas defined by the config file. To restore local records, run\n"
-	"\t\"pdnsd-ctl config\" or \"pdnsd-ctl include filename\"  immediately\n"
-	"\tafterwards.\n"
-	"\tIf one or more arguments are provided, these are interpreted as \n"
-	"\tinclude/exclude names. If an argument starts with a '+' the name is to\n"
-	"\tbe included. If an argument starts with a '-' it is to be excluded.\n"
-	"\tIf an argument does not begin with '+' or '-', a '+' is assumed.\n"
-	"\tIf the domain name of a cache entry ends in one of the names in the\n"
-	"\tlist, the first match will determine what happens. If the matching name\n"
-	"\tis to be included, the cache entry is deleted, otherwise it remains.\n"
-	"\tIf there are no matches, the default action is not to delete.\n",
-
-	"dump\t[name]\n"
-	"\tPrint information stored in the cache about name.\n"
-	"\tIf name begins with a dot and is not the root domain, information\n"
-	"\tabout the names in the cache ending in name (including name without\n"
-	"\tthe leading dot) will be printed. If name is missing, information about\n"
-	"\tall the names in the cache will be printed.\n",
-
-	"list-rrtypes\t[no arguments]\n"
-	"\tList available rr types for the neg command. Note that those are only\n"
-	"\tused for the neg command, not for add!\n"
-};
-
-#define NUM_HELP_MESSAGES (sizeof(help_messages)/sizeof(char*))
-
-
-/* Open connection to control socket and send command code.
-   If successful, open_sock returns a file descriptor for the new socket,
-   otherwise the program is aborted.
-*/
-static int open_sock(const char *cache_dir, uint16_t cmd)
-{
-	struct sockaddr_un *sa;
-	unsigned int sa_len;
-	int sock;
-	uint16_t nc;
-
-	if ((sock=socket(PF_UNIX,SOCK_STREAM,0))==-1) {
-		perror("Error: could not open socket");
-		exit(2);
-	}
-
-	sa_len = (offsetof(struct sockaddr_un, sun_path) + strlitlen("/pdnsd.status") + strlen(cache_dir));
-	sa=(struct sockaddr_un *)alloca(sa_len+1);
-	sa->sun_family=AF_UNIX;
-	stpcpy(stpcpy(sa->sun_path,cache_dir),"/pdnsd.status");
-
-	if (connect(sock,(struct sockaddr *)sa,sa_len)==-1) {
-		fprintf(stderr,"Error: could not open socket %s: %s\n",sa->sun_path,strerror(errno));
-		close(sock);
-		exit(2);
-	}
-	if(verbose) printf("Opening socket %s\n",sa->sun_path);
-
-	/* Send command code */
-
-	nc=htons(cmd|CTL_CMDVERNR); /* Add magic number, convert to network byte order. */
-
-	if (write(sock,&nc,sizeof(nc))!=sizeof(nc)) {
-		perror("Error: could not write command code");
-		close(sock);
-		exit(2);
-	}
-
-	return sock;
-}
-
-static void send_long(int fd,uint32_t cmd)
-{
-	uint32_t nc=htonl(cmd);
-
-	if (write(fd,&nc,sizeof(nc))!=sizeof(nc)) {
-		perror("Error: could not write long");
-		close(fd);
-		exit(2);
-	}
-}
-
-static void send_short(int fd,uint16_t cmd)
-{
-	uint16_t nc=htons(cmd);
-
-	if (write(fd,&nc,sizeof(nc))!=sizeof(nc)) {
-		perror("Error: could not write short");
-		close(fd);
-		exit(2);
-	}
-}
-
-#define MAXSENDSTRLEN 0xfffe
-
-static void send_string(int fd, const char *s)
-{
-	if(s) {
-		size_t len=strlen(s);
-		if(len>MAXSENDSTRLEN) {
-			fprintf(stderr,"Error: send_string: string length (%lu) exceeds maximum (%u).\n",
-				(unsigned long)len, MAXSENDSTRLEN);
-			close(fd);
-			exit(2);
-		}
-		send_short(fd,len);
-		if (write_all(fd,s,len)!=len) {
-			perror("Error: could not write string");
-			close(fd);
-			exit(2);
-		}
-	}
-	else
-		send_short(fd, ~0);
-}
-
-static uint16_t read_short(int fd)
-{
-	ssize_t err;
-	uint16_t nc;
-
-	if ((err=read(fd,&nc,sizeof(nc)))!=sizeof(nc)) {
-		fprintf(stderr,"Error: could not read short: %s\n",err<0?strerror(errno):"unexpected EOF");
-		close(fd);
-		exit(2);
-	}
-	return ntohs(nc);
-}
-
-/* copy data from file descriptor fd to file stream out until EOF
-   or error is encountered.
-*/
-static ssize_t copymsgtofile(int fd, FILE* out)
-{
-	ssize_t n,ntot=0;
-	char buf[1024];
-
-	while ((n=read(fd,buf,sizeof(buf)))>0)
-		ntot+=fwrite(buf,1,n,out);
-
-	if(n<0)
-		return n;
-
-	return ntot;
-}
-
-static int match_cmd(const char *cmd, const cmd_s cmds[])
-{
-	int i;
-	for(i=0; cmds[i].name; ++i) {
-		if (strcasecmp(cmd,cmds[i].name)==0)
-			return cmds[i].val;
-	}
-	return -1;
-}
-
-int main(int argc, char *argv[])
-{
-	char *cache_dir= CACHEDIR;
-	int rv=0;
-	{
-		int i;
-		char *arg;
-		for(i=1; i<argc && (arg=argv[i]) && *arg=='-'; ++i) {
-			if(!strcmp(arg,"-c")) {
-				if(++i<argc) {
-					cache_dir= argv[i];
-				}
-				else {
-					fprintf(stderr,"file name expected after -c option.\n");
-					goto print_try_pdnsd_ctl_help;
-				}
-			}
-			else if(!strcmp(arg,"-q")) {
-				verbose=0;
-			}
-			else {
-				fprintf(stderr,"Unknown option: %s\n",arg);
-				goto print_try_pdnsd_ctl_help;
-			}
-		}
-		argc -= i;
-		argv += i;
-	}
-
-	if (argc<1) {
-		fprintf(stderr,"No command specified.\n");
-	print_try_pdnsd_ctl_help:
-		fprintf(stderr,"Try 'pdnsd-ctl help' for available commands and options.\n");
-		exit(2);
-	} else {
-		int pf,acnt=0,cmd;
-
-		cmd=match_cmd(argv[0],top_cmds);
-		if(cmd==-1) {
-			fprintf(stderr,"Command not recognized: %s\n",argv[0]);
-			goto print_try_pdnsd_ctl_help;
-		}
-		switch (cmd) {
-		case CMD_HELP: {
-			int i;
-			fputs(version_message,stdout);
-			for(i=0; i<NUM_HELP_MESSAGES; ++i)
-				fputs(help_messages[i],stdout);
-		}
-			break;
-
-		case CMD_VERSION:
-			fputs(version_message,stdout);
-			fputs(license_statement,stdout);
-			break;
-
-		case CMD_LIST_RRTYPES: {
-			int i;
-			if (argc!=1)
-				goto wrong_args;
-			printf("Available RR types for the neg command:\n");
-			for (i=0; i<NRRTOT; ++i)
-				printf("%s\n",rrnames[rrcachiterlist[i]-T_MIN]);
-		}
-			break;
-
-		case CTL_STATS:
-			if (argc!=1)
-				goto wrong_args;
-			pf=open_sock(cache_dir, cmd);
-			goto copy_pf;
-
-		case CTL_SERVER: {
-			int server_cmd;
-			if (argc<3 || argc>4)
-				goto wrong_args;
-			acnt=2;
-			server_cmd=match_cmd(argv[2],server_cmds);
-			if(server_cmd==-1) goto bad_arg;
-			pf=open_sock(cache_dir, cmd);
-			send_string(pf,argv[1]);
-			send_short(pf,server_cmd);
-			send_string(pf,argc<4?NULL:argv[3]);
-		}
-			goto read_retval;
-
-		case CTL_RECORD: {
-			int record_cmd;
-			if (argc!=3)
-				goto wrong_args;
-			acnt=2;
-			record_cmd=match_cmd(argv[2],record_cmds);
-			if(record_cmd==-1) goto bad_arg;
-			pf=open_sock(cache_dir, cmd);
-			send_short(pf,record_cmd);
-			send_string(pf,argv[1]);
-		}
-			goto read_retval;
-
-		case CTL_SOURCE: {
-			long ttl;
-			int servaliases,flags;
-			if (argc<3 || argc>6)
-				goto wrong_args;
-			ttl=900;
-			flags=DF_LOCAL;
-			acnt=3;
-			if (argc==6 || (argc>=4 && isdigit(argv[3][0]))) {
-				char *endptr;
-				ttl=strtol(argv[3],&endptr,0);
-				if (*endptr)
-					goto bad_arg;
-				acnt++;
-			}
-			servaliases=0;
-			if (acnt<argc && (argc==6 || strcasecmp(argv[acnt], "noauth"))) {
-				servaliases=match_cmd(argv[acnt],onoff_cmds);
-				if(servaliases==-1) goto bad_arg;
-				acnt++;
-			}
-			if (acnt<argc) {
-				if (!strcasecmp(argv[acnt], "noauth"))
-					flags=0;
-				else
-					goto bad_arg;
-			}
-			pf=open_sock(cache_dir, cmd);
-			send_string(pf,argv[1]);
-			send_string(pf,argv[2]);
-			send_long(pf,ttl);
-			send_short(pf,servaliases);
-			send_short(pf,flags);
-		}
-			goto read_retval;
-
-		case CTL_ADD: {
-			long ttl;
-			int tp,flags,pref;
-			unsigned int nadr;
-			size_t adrsz, adrbufsz;
-			char *q;
-
-			if (argc<2) goto wrong_args;
-			acnt=1;
-			tp=match_cmd(argv[1],rectype_cmds);
-			if(tp==-1) goto bad_arg;
-			acnt=((tp==T_MX)?5:4);
-			if (argc<acnt || argc>acnt+2)
-				goto wrong_args;
-
-			ttl=900;
-			flags=DF_LOCAL;
-			pref=0;
-			if(tp==T_MX) {
-				char *endptr;
-				pref=strtol(argv[4],&endptr,0);
-				if (*endptr) {
-					acnt=4;
-					goto bad_arg;
-				}
-			}
-
-			if (acnt<argc && strcasecmp(argv[acnt],"noauth")) {
-				char *endptr;
-				ttl=strtol(argv[acnt],&endptr,0);
-				if (*endptr)
-					goto bad_arg;
-				acnt++;
-			}
-			if (acnt<argc && !strcasecmp(argv[acnt],"noauth")) {
-				flags=0;
-				acnt++;
-			}
-			if (acnt<argc)
-				goto bad_arg;
-
-			nadr=0; adrsz=0;
-			switch (tp) {
-			case T_A:
-				adrsz= sizeof(struct in_addr);
-#if ALLOW_AAAA
-				goto count_addresses;
-			case T_AAAA:
-				adrsz= sizeof(struct in6_addr);
-			count_addresses:
-#endif
-				/* first count the number of comma- or space-delimited address strings,
-				   ignoring blank strings. */
-				for(q=argv[2];;) {
-					for(;;++q) {
-						if(!*q) goto finished_counting_addresses;
-						if(*q!=',' && !isspace(*q)) break;
-					}
-					do {
-						++q;
-					} while(*q && *q!=',' && !isspace(*q));
-					++nadr;
-				}
-			finished_counting_addresses:
-				if (!nadr) {
-					fprintf(stderr,"Empty IP list for 'add %s' command.\n", argv[1]);
-					exit(2);
-				}
-				break;
-			}
-
-			adrbufsz = nadr*adrsz;
-			{
-				/* Variable-size array for storing IP addresses. */
-				unsigned char adrbuf[adrbufsz] __attribute__((aligned));
-
-				switch (tp) {
-				case T_A:
-#if ALLOW_AAAA
-				case T_AAAA:
-#endif
-				{
-					/* Convert the address strings into binary addresses and
-					   store them in adrbuf. */
-					unsigned char *adrp = adrbuf;
-					for(q=argv[2];;) {
-						char *p; size_t len;
-						for(;;++q) {
-							if(!*q) goto finished_converting_addresses;
-							if(*q!=',' && !isspace(*q)) break;
-						}
-						p=q;
-						do {
-							++q;
-						} while(*q && *q!=',' && !isspace(*q));
-						len = q-p;
-						{
-							char tmpbuf[len+1];
-							memcpy(tmpbuf,p,len);
-							tmpbuf[len]=0;
-
-							if(
-#if ALLOW_AAAA
-								tp==T_AAAA? inet_pton(AF_INET6,tmpbuf,adrp)<=0:
-#endif
-								!inet_aton(tmpbuf,(struct in_addr *)adrp))
-							{
-								fprintf(stderr,"Bad IP for 'add %s' command: %s\n",
-									argv[1],tmpbuf);
-								exit(2);
-							}
-						}
-						adrp += adrsz;
-					}
-				}
-				finished_converting_addresses:
-					break;
-				}
-
-				pf=open_sock(cache_dir, cmd);
-				send_short(pf,tp);
-				send_string(pf,argv[3]);
-				send_long(pf,ttl);
-				send_short(pf,flags);
-
-				switch (tp) {
-				case T_A:
-#if ALLOW_AAAA
-				case T_AAAA:
-#endif
-					send_short(pf,nadr);
-					if(write_all(pf,adrbuf,adrbufsz)!=adrbufsz) {
-						perror("Error: could not send IP address(es)");
-						close(pf);
-						exit(2);
-					}
-					break;
-				case T_MX:
-					send_short(pf,pref);
-					/* fall through */
-				case T_PTR:
-				case T_CNAME:
-				case T_NS:
-					send_string(pf,argv[2]);
-					break;
-				}
-			}
-		}
-			goto read_retval;
-
-		case CTL_NEG: {
-			long ttl;
-			int tp;
-
-			if (argc<2 || argc>4)
-				goto wrong_args;
-			tp=255;
-			ttl=900;
-			acnt=2;
-			if (argc==3) {
-				if (isdigit(argv[2][0])) {
-					char *endptr;
-					ttl=strtol(argv[2],&endptr,0);
-					if (*endptr)
-						goto bad_arg;
-				} else if ((tp=rr_tp_byname(argv[2]))==-1) {
-					goto bad_type;
-				}
-			} else if (argc==4) {
-				char *endptr;
-				if ((tp=rr_tp_byname(argv[2]))==-1)
-					goto bad_type;
-				ttl=strtol(argv[3],&endptr,0);
-				if (*endptr) {
-					acnt=3;
-					goto bad_arg;
-				}
-			}
-			pf=open_sock(cache_dir, cmd);
-			send_string(pf,argv[1]);
-			send_short(pf,tp);
-			send_long(pf,ttl);
-		}
-			goto read_retval;
-
-		case CTL_CONFIG:
-			if (argc>2)
-				goto wrong_args;
-			pf=open_sock(cache_dir, cmd);
-			send_string(pf,argc<2?NULL:argv[1]);
-			goto read_retval;
-
-		case CTL_INCLUDE:
-			if (argc!=2)
-				goto wrong_args;
-			pf=open_sock(cache_dir, cmd);
-			send_string(pf,argv[1]);
-			goto read_retval;
-
-		case CTL_EVAL: {
-			int i; size_t bufsz;
-
-			if (argc<2)
-				goto wrong_args;
-			bufsz=0;
-			for(i=1; i<argc; ++i)
-				bufsz += strlen(argv[i])+1;
-
-			if(bufsz>MAXSENDSTRLEN) {
-				fprintf(stderr,"Cannot send 'eval' command: "
-					"string length (%lu) exceeds maximum (%u).\n",
-				(unsigned long)bufsz, MAXSENDSTRLEN);
-				exit(2);
-			}
-			pf=open_sock(cache_dir, cmd);
-			send_short(pf,bufsz);
-			{
-				/* Variable-size array for storing the joined strings. */
-				char buf[bufsz];
-				char *p=buf;
-				for(i=1; i<argc; ++i) {
-					p=stpcpy(p,argv[i]);
-					*p++ = '\n';
-				}
-				if(write_all(pf,buf,bufsz)!=bufsz) {
-					perror("Error: could not write string");
-					close(pf);
-					exit(2);
-				}
-			}
-		}
-			goto read_retval;
-
-		case CTL_EMPTY: {
-			int i; size_t totsz=0;
-			for(i=1; i<argc; ++i)
-				totsz += strlen(argv[i])+1;
-
-			if(totsz>MAXSENDSTRLEN) {
-				fprintf(stderr,"Cannot send 'empty' command: "
-					"string length (%lu) exceeds maximum (%u).\n",
-					(unsigned long)totsz, MAXSENDSTRLEN);
-				exit(2);
-			}
-			pf=open_sock(cache_dir, cmd);
-			if(argc>1) {
-				send_short(pf,totsz);
-				for(i=1; i<argc; ++i) {
-					size_t sz=strlen(argv[i])+1;
-					if(write_all(pf,argv[i],sz)!=sz) {
-						perror("Error: could not write string");
-						close(pf);
-						exit(2);
-					}
-				}
-			}
-			else
-				send_short(pf,~0);
-		}
-			goto read_retval;
-
-		case CTL_DUMP:
-			if (argc>2)
-				goto wrong_args;
-			pf=open_sock(cache_dir, cmd);
-			send_string(pf,argc<2?NULL:argv[1]);
-		copy_pf:
-			if((rv=read_short(pf)))
-				goto retval_failed;
-			if(copymsgtofile(pf,stdout)<0) {
-				perror("Error while reading from socket");
-				close(pf);
-				exit(2);
-			}
-			goto close_pf;
-
-		read_retval:
-			if((rv=read_short(pf))) {
-			retval_failed:
-				fprintf(stderr,"Failed: ");
-				if(copymsgtofile(pf,stderr)<0)
-					fprintf(stderr,"(could not read error message from socket: %s)",strerror(errno));
-
-				fputc('\n',stderr);
-			}
-		close_pf:
-			if(close(pf)==-1)
-				perror("Couldn't close socket");
-			else if (rv==0 && verbose)
-				printf("Succeeded\n");
-			break;
-		wrong_args:
-			fprintf(stderr,"Wrong number of arguments for '%s' command.\n",argv[0]);
-			goto print_cmd_usage;
-		bad_arg:
-			fprintf(stderr,"Bad argument for '%s' command: %s\n",argv[0],argv[acnt]);
-		print_cmd_usage:
-			fprintf(stderr,"Usage:\n\n%s\n"
-				"Try 'pdnsd-ctl help' for a description of all available commands and options.\n",
-				help_messages[cmd]);
-			exit(2);
-		bad_type:
-			fprintf(stderr,"Bad (type) argument for '%s' command: %s\n"
-				"Run 'pdnsd-ctl list-rrtypes' for a list of available rr types.\n",
-				argv[0],argv[acnt]);
-			exit(2);
-		}
-	}
-
-	return rv;
-}
-
diff --git a/app/src/main/jni/pdnsd/src/pdnsd_assert.h b/app/src/main/jni/pdnsd/src/pdnsd_assert.h
deleted file mode 100644
index 0acdfc2..0000000
--- a/app/src/main/jni/pdnsd/src/pdnsd_assert.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/* This include file was added by Paul A. Rombouts.
-   I had terrible difficulties with cyclic dependencies of the include files
-   written by Thomas Moestl. The only way I knew how to break the cycle was to
-   put some declarations in a seperate file.
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef PDNSD_ASSERT_H
-#define PDNSD_ASSERT_H
-
-/* Originally in helpers.h */
-
-/* format string checking for printf-like functions */
-#ifdef __GNUC__
-#define printfunc(fmt, firstva) __attribute__((__format__(__printf__, fmt, firstva)))
-#else
-#define printfunc(fmt, firstva)
-#endif
-
-void pdnsd_exit(void);
-
-
-/*
- * Assert macro, used in some places. For now, it should be always defined, not
- * only in the DEBUG case, to be on the safe side security-wise.
- */
-#define PDNSD_ASSERT(cond, msg)						\
-	{ if (!(cond)) {						\
-		log_error("%s:%d: %s", __FILE__, __LINE__, msg);	\
-		pdnsd_exit();						\
- 	} }
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.am b/app/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.am
deleted file mode 100644
index 2a7b420..0000000
--- a/app/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.am
+++ /dev/null
@@ -1,7 +0,0 @@
-
-install-exec-local:
-	if [ "$(distribution)" = "ArchLinux" ] ; then			\
-	  $(mkinstalldirs) "$(DESTDIR)/etc/rc.d";			\
-	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/etc/rc.d/pdnsd";\
-	fi
-
diff --git a/app/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.in b/app/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.in
deleted file mode 100644
index 6af6f9e..0000000
--- a/app/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.in
+++ /dev/null
@@ -1,332 +0,0 @@
-# Makefile.in generated by automake 1.11.1 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
-# Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-VPATH = @srcdir@
-pkgdatadir = $(datadir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
-INSTALL_HEADER = $(INSTALL_DATA)
-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-subdir = src/rc/ArchLinux
-DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
-	$(srcdir)/pdnsd.in
-ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/configure.in
-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
-	$(ACLOCAL_M4)
-mkinstalldirs = $(install_sh) -d
-CONFIG_HEADER = $(top_builddir)/config.h
-CONFIG_CLEAN_FILES = pdnsd
-CONFIG_CLEAN_VPATH_FILES =
-SOURCES =
-DIST_SOURCES =
-DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
-ACLOCAL = @ACLOCAL@
-ALLOCA = @ALLOCA@
-AMTAR = @AMTAR@
-AUTOCONF = @AUTOCONF@
-AUTOHEADER = @AUTOHEADER@
-AUTOMAKE = @AUTOMAKE@
-AWK = @AWK@
-CC = @CC@
-CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
-CPP = @CPP@
-CPPFLAGS = @CPPFLAGS@
-CYGPATH_W = @CYGPATH_W@
-DEFS = @DEFS@
-DEPDIR = @DEPDIR@
-ECHO_C = @ECHO_C@
-ECHO_N = @ECHO_N@
-ECHO_T = @ECHO_T@
-EGREP = @EGREP@
-EXEEXT = @EXEEXT@
-GREP = @GREP@
-INSTALL = @INSTALL@
-INSTALL_DATA = @INSTALL_DATA@
-INSTALL_PROGRAM = @INSTALL_PROGRAM@
-INSTALL_SCRIPT = @INSTALL_SCRIPT@
-INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
-LDFLAGS = @LDFLAGS@
-LIBOBJS = @LIBOBJS@
-LIBS = @LIBS@
-LTLIBOBJS = @LTLIBOBJS@
-MAKEINFO = @MAKEINFO@
-MKDIR_P = @MKDIR_P@
-OBJEXT = @OBJEXT@
-PACKAGE = @PACKAGE@
-PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
-PACKAGE_NAME = @PACKAGE_NAME@
-PACKAGE_STRING = @PACKAGE_STRING@
-PACKAGE_TARNAME = @PACKAGE_TARNAME@
-PACKAGE_VERSION = @PACKAGE_VERSION@
-PATH_SEPARATOR = @PATH_SEPARATOR@
-RANLIB = @RANLIB@
-SET_MAKE = @SET_MAKE@
-SHELL = @SHELL@
-STRIP = @STRIP@
-VERSION = @VERSION@
-abs_builddir = @abs_builddir@
-abs_srcdir = @abs_srcdir@
-abs_top_builddir = @abs_top_builddir@
-abs_top_srcdir = @abs_top_srcdir@
-ac_ct_CC = @ac_ct_CC@
-am__include = @am__include@
-am__leading_dot = @am__leading_dot@
-am__quote = @am__quote@
-am__tar = @am__tar@
-am__untar = @am__untar@
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-build_alias = @build_alias@
-builddir = @builddir@
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-datadir = @datadir@
-datarootdir = @datarootdir@
-def_id = @def_id@
-distribution = @distribution@
-docdir = @docdir@
-dvidir = @dvidir@
-exec_prefix = @exec_prefix@
-fullversion = @fullversion@
-host_alias = @host_alias@
-htmldir = @htmldir@
-includedir = @includedir@
-infodir = @infodir@
-install_sh = @install_sh@
-libdir = @libdir@
-libexecdir = @libexecdir@
-localedir = @localedir@
-localstatedir = @localstatedir@
-mandir = @mandir@
-mkdir_p = @mkdir_p@
-oldincludedir = @oldincludedir@
-packagerelease = @packagerelease@
-pdfdir = @pdfdir@
-prefix = @prefix@
-program_transform_name = @program_transform_name@
-psdir = @psdir@
-sbindir = @sbindir@
-sharedstatedir = @sharedstatedir@
-specbuild = @specbuild@
-srcdir = @srcdir@
-sysconfdir = @sysconfdir@
-target_alias = @target_alias@
-thread_CFLAGS = @thread_CFLAGS@
-threadlib = @threadlib@
-top_build_prefix = @top_build_prefix@
-top_builddir = @top_builddir@
-top_srcdir = @top_srcdir@
-all: all-am
-
-.SUFFIXES:
-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
-	@for dep in $?; do \
-	  case '$(am__configure_deps)' in \
-	    *$$dep*) \
-	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
-	        && { if test -f $@; then exit 0; else break; fi; }; \
-	      exit 1;; \
-	  esac; \
-	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/rc/ArchLinux/Makefile'; \
-	$(am__cd) $(top_srcdir) && \
-	  $(AUTOMAKE) --gnu src/rc/ArchLinux/Makefile
-.PRECIOUS: Makefile
-Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
-	@case '$?' in \
-	  *config.status*) \
-	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
-	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
-	esac;
-
-$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
-	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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-	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
-	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-$(am__aclocal_m4_deps):
-pdnsd: $(top_builddir)/config.status $(srcdir)/pdnsd.in
-	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
-tags: TAGS
-TAGS:
-
-ctags: CTAGS
-CTAGS:
-
-
-distdir: $(DISTFILES)
-	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
-	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
-	list='$(DISTFILES)'; \
-	  dist_files=`for file in $$list; do echo $$file; done | \
-	  sed -e "s|^$$srcdirstrip/||;t" \
-	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
-	case $$dist_files in \
-	  */*) $(MKDIR_P) `echo "$$dist_files" | \
-			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
-			   sort -u` ;; \
-	esac; \
-	for file in $$dist_files; do \
-	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
-	  if test -d $$d/$$file; then \
-	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
-	    if test -d "$(distdir)/$$file"; then \
-	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
-	    fi; \
-	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
-	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
-	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
-	    fi; \
-	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
-	  else \
-	    test -f "$(distdir)/$$file" \
-	    || cp -p $$d/$$file "$(distdir)/$$file" \
-	    || exit 1; \
-	  fi; \
-	done
-check-am: all-am
-check: check-am
-all-am: Makefile
-installdirs:
-install: install-am
-install-exec: install-exec-am
-install-data: install-data-am
-uninstall: uninstall-am
-
-install-am: all-am
-	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
-
-installcheck: installcheck-am
-install-strip:
-	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	  `test -z '$(STRIP)' || \
-	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
-mostlyclean-generic:
-
-clean-generic:
-
-distclean-generic:
-	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
-
-maintainer-clean-generic:
-	@echo "This command is intended for maintainers to use"
-	@echo "it deletes files that may require special tools to rebuild."
-clean: clean-am
-
-clean-am: clean-generic mostlyclean-am
-
-distclean: distclean-am
-	-rm -f Makefile
-distclean-am: clean-am distclean-generic
-
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-
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-
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-
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-install-exec-am: install-exec-local
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-
-install-ps: install-ps-am
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-install-ps-am:
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-installcheck-am:
-
-maintainer-clean: maintainer-clean-am
-	-rm -f Makefile
-maintainer-clean-am: distclean-am maintainer-clean-generic
-
-mostlyclean: mostlyclean-am
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-mostlyclean-am: mostlyclean-generic
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-.PHONY: all all-am check check-am clean clean-generic distclean \
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-	install install-am install-data install-data-am install-dvi \
-	install-dvi-am install-exec install-exec-am install-exec-local \
-	install-html install-html-am install-info install-info-am \
-	install-man install-pdf install-pdf-am install-ps \
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-	installdirs maintainer-clean maintainer-clean-generic \
-	mostlyclean mostlyclean-generic pdf pdf-am ps ps-am uninstall \
-	uninstall-am
-
-
-install-exec-local:
-	if [ "$(distribution)" = "ArchLinux" ] ; then			\
-	  $(mkinstalldirs) "$(DESTDIR)/etc/rc.d";			\
-	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/etc/rc.d/pdnsd";\
-	fi
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/app/src/main/jni/pdnsd/src/rc/ArchLinux/pdnsd.in b/app/src/main/jni/pdnsd/src/rc/ArchLinux/pdnsd.in
deleted file mode 100644
index c392750..0000000
--- a/app/src/main/jni/pdnsd/src/rc/ArchLinux/pdnsd.in
+++ /dev/null
@@ -1,45 +0,0 @@
-#!/bin/bash
-
-. /etc/rc.conf
-. /etc/rc.d/functions
-
-PID=`pidof -o %PPID @prefix@/sbin/pdnsd`
-
-start() {
-  stat_busy "Starting PDNSD"
-  [ -z "$PID" ] && @prefix@/sbin/pdnsd -d -c /etc/pdnsd.conf
-  if [ $? -gt 0 ]; then
-    stat_fail
-  else
-    add_daemon pdnsd
-    stat_done
-  fi
-}
-
-stop() {
-  stat_busy "Stopping PDNSD"
-  [ ! -z "$PID" ]  && kill $PID &> /dev/null
-  if [ $? -gt 0 ]; then
-    stat_fail
-  else
-    rm_daemon pdnsd
-    stat_done
-  fi
-}
-
-case "$1" in
-  start)
-    start
-    ;;
-  stop)
-    stop
-    ;;
-  restart)
-    $0 stop
-    sleep 2
-    $0 start
-    ;;
-  *)
-    echo "usage: $0 {start|stop|restart}"  
-esac
-exit 0
diff --git a/app/src/main/jni/pdnsd/src/rc/Debian/Makefile.am b/app/src/main/jni/pdnsd/src/rc/Debian/Makefile.am
deleted file mode 100644
index 61d3eb3..0000000
--- a/app/src/main/jni/pdnsd/src/rc/Debian/Makefile.am
+++ /dev/null
@@ -1,8 +0,0 @@
-
-install-exec-local:
-	if [ "$(distribution)" = "Debian" ] ; then \
-	  CURDIR=`pwd`; \
-	  $(mkinstalldirs) "$(DESTDIR)/etc/init.d"; \
-	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/etc/init.d"; \
-	  update-rc.d pdnsd defaults 19 ;\
-	fi
diff --git a/app/src/main/jni/pdnsd/src/rc/Debian/Makefile.in b/app/src/main/jni/pdnsd/src/rc/Debian/Makefile.in
deleted file mode 100644
index 992a059..0000000
--- a/app/src/main/jni/pdnsd/src/rc/Debian/Makefile.in
+++ /dev/null
@@ -1,334 +0,0 @@
-# Makefile.in generated by automake 1.11.1 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
-# Inc.
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diff --git a/app/src/main/jni/pdnsd/src/rc/Debian/pdnsd.in b/app/src/main/jni/pdnsd/src/rc/Debian/pdnsd.in
deleted file mode 100644
index 068606e..0000000
--- a/app/src/main/jni/pdnsd/src/rc/Debian/pdnsd.in
+++ /dev/null
@@ -1,52 +0,0 @@
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diff --git a/app/src/main/jni/pdnsd/src/rc/Makefile.am b/app/src/main/jni/pdnsd/src/rc/Makefile.am
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diff --git a/app/src/main/jni/pdnsd/src/rc/README b/app/src/main/jni/pdnsd/src/rc/README
deleted file mode 100644
index 4e00764..0000000
--- a/app/src/main/jni/pdnsd/src/rc/README
+++ /dev/null
@@ -1,104 +0,0 @@
-rc/
-===
-
-These are start scripts for different Linux distros and other things that
-do not directly belong to pdnsd. 
-If you do start scripts for the distro you use, please GPL them and send 
-them in, so that they can be included in this package for other users.
-Note that there is NO WARRANTY OF ANY KIND on anything in this directory;
-read the COPYING that comes with pdnsd for details.
-So far there are files in the following directories:
-
-SuSE
-----
-pdnsd	- Start script for SuSE Linux. Tested for 6.? but should run on some
-	  versions below. You can do 'make install' as root in the SuSE 
-	  directory to install it, or you can install manually:
-	  --manual installation-------------------------------------------------
-	  For manual installation, copy it into /sbin/init.d/, go to
-	  /sbin/init.d/rc2.d/ and create there the following two symlinks:
-	S11pdnsd -> ../pdnsd (do "ln -s ../pdnsd S11pdnsd" in that dir)
-	K34pdnsd -> ../pdnsd (do "ln -s ../pdnsd K34pdnsd" in that dir)
-	  The numbers dictate the order different services are started and 
-	  might need to be modified. Then edit your /etc/rc.config file and
-	  add the line "START_PDNSD=yes" to start pdnsd at boot time.
-	  ----------------------------------------------------------------------
-	  If you used the 'make install' command, "START_PDNSD=yes" has been
-	  appended to your /etc/rc.config file, causing pdnsd to be started
-	  at boot time. If you don't want that, change the "yes" into "no". 
-	  This start script was created from /sbin/init.d/skeleton by me, so the
-	  most is copyrighted by SuSE. They put it under the GPL, however, so
-	  the licence stated in COPYING also applies to this script.
-          This is no official SuSE script, and SuSE naturally does NO support 
-	  for it.
-
-Redhat
-------
-The contents of the Redhat directory and the following documentation were 
-contributed by Torben Janssen. Thanks a lot!
-
-pdnsd	- Start script for Redhat Linux. Tested for 6.1 but should run on 5.0+.
-	  You can do 'make install' as root in the Redhat directory to
-	  install it, or you can install manually:
-	    
-	  --manual installation-------------------------------------------------
-	  For manual installation, copy pdnsd into /etc/rc.d/init.d/
-		
-	  Then go to /etc/rc.d/rc3.d and create there the following symlink:
-	  S78pdnsd -> ../init.d/pdnsd 
-	  (do "ln -f -s ../init.d/pdnsd S78pdnsd" in that dir)
-		
-	  Then go to /etc/rc.d/rc0.d and create there the following symlink:
-	  K78pdnsd -> ../init.d/pdnsd 
-	  (do "ln -f -s ../init.d/pdnsd K78pdnsd" in that dir)
-		
-	  Then go to /etc/rc.d/rc6.d and create there the following symlink:
-	  K78pdnsd -> ../init.d/pdnsd 
-	  (do "ln -f -s ../init.d/pdnsd K78pdnsd" in that dir)
-		
-	  WHY
-	  ---
-	  the rc[0-6].d dirs includes the scripts which starts/stops the 
-	  services on entering runlevel [0-6]
-	  the interesting runlevels on Redhat are: 
-	  0 - halt
-	  3 - multi user system
-	  6 - reboot
-	  The links have an 'S' or 'K' and a number at the beginnig. All links
-	  with 'S' starts the script on entering the runlevel and 'K' stops 
-	  them.
-	  So, there's an 'S' link in rc3 and 'K' links in rc0 and rc6.
-	  I choose 78 as number, because there was no script with this number on
-	  my system. You can choose every number you want, AFAIK .
-	
-	  This is no offical Redhat script, and Redhat naturally does NO support
-	  for it.
-
-Debian
-------
-The contents of the Debian directory were contributed by Markus Mohr. 
-His installation instructions are (translated):
-Install the pdnsd script to /etc/init and run 
-update-rc.d pdnsd defaults 19
-as root.
-
-Slackware
----------
-A Slackware start-up script rc.pdnsd was contributed by Nikola Kotur <kotnik@xxxxxxxxxxxx>.
-His comments were:
-
-Slackware uses traditional BSD style init script layout instead of SystemV 
-style startup scripts.  So I adjusted the start-up script for pdnsd, and 
-now it can be used with Slackware 9.1 distribution, and probably with all the 
-others.
-
-Additional info:
-1) put these lines in the /etc/rc.d/rc.M:
-	if [ -x /etc/rc.d/rc.pdnsd ]; then
-		/etc/rc.d/rc.pdnsd start
-	fi
-
-2) put these lines in the /etc/rc.d/rc.6 and /etc/rc.d/rc.K:
-	if [ -x /etc/rc.d/rc.pdnsd ]; then
-		/etc/rc.d/rc.pdnsd stop
-	fi
diff --git a/app/src/main/jni/pdnsd/src/rc/RedHat/Makefile.am b/app/src/main/jni/pdnsd/src/rc/RedHat/Makefile.am
deleted file mode 100644
index cb8de88..0000000
--- a/app/src/main/jni/pdnsd/src/rc/RedHat/Makefile.am
+++ /dev/null
@@ -1,12 +0,0 @@
-
-# no need to create links. 'chkconfig' will take care of this.
-# In the spec case, chkconfig is called during rpm install
-install-exec-local:
-	if [ "$(distribution)" = "RedHat" ] ; then \
-	  $(mkinstalldirs) "$(DESTDIR)/etc/rc.d/init.d"; \
-	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/etc/rc.d/init.d/pdnsd"; \
-	    if [ "$(specbuild)" = "no" ] ; then \
-	      /sbin/chkconfig --add pdnsd; \
-	    fi \
-	fi
-
diff --git a/app/src/main/jni/pdnsd/src/rc/RedHat/Makefile.in b/app/src/main/jni/pdnsd/src/rc/RedHat/Makefile.in
deleted file mode 100644
index a88a037..0000000
--- a/app/src/main/jni/pdnsd/src/rc/RedHat/Makefile.in
+++ /dev/null
@@ -1,337 +0,0 @@
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-# @configure_input@
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-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
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-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
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-transform = $(program_transform_name)
-NORMAL_INSTALL = :
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-subdir = src/rc/RedHat
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-mkinstalldirs = $(install_sh) -d
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-CONFIG_CLEAN_FILES = pdnsd
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-LDFLAGS = @LDFLAGS@
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diff --git a/app/src/main/jni/pdnsd/src/rc/RedHat/pdnsd.in b/app/src/main/jni/pdnsd/src/rc/RedHat/pdnsd.in
deleted file mode 100644
index b6d9081..0000000
--- a/app/src/main/jni/pdnsd/src/rc/RedHat/pdnsd.in
+++ /dev/null
@@ -1,88 +0,0 @@
-#!/bin/bash
-#
-#	/etc/rc.d/init.d/pdnsd
-#
-# Script for starting the Proxy DNS Daemon
-# Modified by Paul Rombouts, 2003
-#
-# chkconfig: 2345 11 89
-# description: Proxy DNS Daemon
-# processname: pdnsd
-# config: /etc/pdnsd.conf
-
-PATH=/sbin:/usr/sbin:/usr/local/sbin:/bin:/usr/bin:/usr/local/bin
-
-# Source function library.
-. /etc/rc.d/init.d/functions
-
-# Source networking configuration.
-. /etc/sysconfig/network
-
-# Check that networking is up.
-if [[ $NETWORKING == [Nn][Oo] ]]; then exit 0; fi
-
-# Source sysconfig settings, if any.
-if [ -f /etc/sysconfig/pdnsd ]; then . /etc/sysconfig/pdnsd; fi
-
-start() {
-	echo -n 'Starting pdnsd: '
-	daemon @prefix@/sbin/pdnsd -d -s -p /var/run/pdnsd.pid "$EXTRAOPTIONS"
-	local RETVAL=$?
-	echo
-	if [ $RETVAL -eq 0 ]; then touch /var/lock/subsys/pdnsd; fi
-	return $RETVAL
-}
-
-stop() {
-	echo -n 'Shutting down pdnsd: '
-	killproc pdnsd
-	local RETVAL=$?
-	case @threadlib@ in
-	    [Ll]inux[Tt]hreads*|lt*)
-		# Wait until all threads have terminated.
-		local -i count=20
-		while [[ count -gt 0 ]] && pidof pdnsd > /dev/null
-		do
-		  usleep 200000
-		  let --count
-		done
-		;;
-	esac
-	echo
-	if [ $RETVAL -eq 0 ]; then rm -f /var/lock/subsys/pdnsd; fi
-	return $RETVAL
-}
-
-restart() {
-	stop
-	start
-}
-
-#
-#	See how we were called.
-#
-case "$1" in
-  start)
-	start
-	;;
-  stop)
-	stop
-	;;
-  status)
-	status pdnsd
-	;;
-  reload)
-	@prefix@/sbin/pdnsd-ctl config
-	;;
-  restart)
-	restart
-  	;;
-  condrestart)
-	if [ -f /var/lock/subsys/pdnsd ]; then restart; fi
-  	;;
-  *)
-	echo $"Usage: $0 {start|stop|status|restart|condrestart|reload}"
-	exit 1
-esac
-
-exit
diff --git a/app/src/main/jni/pdnsd/src/rc/Slackware/Makefile.am b/app/src/main/jni/pdnsd/src/rc/Slackware/Makefile.am
deleted file mode 100644
index e44b50f..0000000
--- a/app/src/main/jni/pdnsd/src/rc/Slackware/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-# TODO: write an install rule for the Slackware start-up script.
-
-install-exec-local:
diff --git a/app/src/main/jni/pdnsd/src/rc/Slackware/Makefile.in b/app/src/main/jni/pdnsd/src/rc/Slackware/Makefile.in
deleted file mode 100644
index 14ebd33..0000000
--- a/app/src/main/jni/pdnsd/src/rc/Slackware/Makefile.in
+++ /dev/null
@@ -1,330 +0,0 @@
-# Makefile.in generated by automake 1.11.1 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
-# Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-# TODO: write an install rule for the Slackware start-up script.
-VPATH = @srcdir@
-pkgdatadir = $(datadir)/@PACKAGE@
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-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
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-INSTALL_HEADER = $(INSTALL_DATA)
-transform = $(program_transform_name)
-NORMAL_INSTALL = :
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-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
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-DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
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-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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-mkinstalldirs = $(install_sh) -d
-CONFIG_HEADER = $(top_builddir)/config.h
-CONFIG_CLEAN_FILES = rc.pdnsd
-CONFIG_CLEAN_VPATH_FILES =
-SOURCES =
-DIST_SOURCES =
-DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
-ACLOCAL = @ACLOCAL@
-ALLOCA = @ALLOCA@
-AMTAR = @AMTAR@
-AUTOCONF = @AUTOCONF@
-AUTOHEADER = @AUTOHEADER@
-AUTOMAKE = @AUTOMAKE@
-AWK = @AWK@
-CC = @CC@
-CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
-CPP = @CPP@
-CPPFLAGS = @CPPFLAGS@
-CYGPATH_W = @CYGPATH_W@
-DEFS = @DEFS@
-DEPDIR = @DEPDIR@
-ECHO_C = @ECHO_C@
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-	  else \
-	    test -f "$(distdir)/$$file" \
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-	  fi; \
-	done
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diff --git a/app/src/main/jni/pdnsd/src/rc/Slackware/rc.pdnsd.in b/app/src/main/jni/pdnsd/src/rc/Slackware/rc.pdnsd.in
deleted file mode 100644
index 6e96971..0000000
--- a/app/src/main/jni/pdnsd/src/rc/Slackware/rc.pdnsd.in
+++ /dev/null
@@ -1,74 +0,0 @@
-#!/bin/bash
-#
-#	/etc/rc.d/rc.pdnsd
-#
-# Starts the Proxy DNS Daemon
-#
-# description: Proxy DNS Daemon
-# processname: pdnsd
-# config: /etc/pdnsd.conf
-# distribution: Slackware
-# author: Nikola Kotur <kotnik@xxxxxxxxxxxx>
-#
-# Additional info:
-# 1) put these lines in the /etc/rc.d/rc.M:
-#	if [ -x /etc/rc.d/rc.pdnsd ]; then
-#		/etc/rc.d/rc.pdnsd start
-#	fi
-#
-# 2) put these lines in the /etc/rc.d/rc.6 and /etc/rc.d/rc.K:
-#	if [ -x /etc/rc.d/rc.pdnsd ]; then
-#		/etc/rc.d/rc.pdnsd stop
-#	fi
-
-
-test -x @prefix@/sbin/pdnsd || exit 0
-[ -f @sysconfdir@/pdnsd.conf ] || exit 1
-
-RETVAL=0
-
-start() {
-	echo -n "Starting pdnsd... "
-	RETVAL=$?
- 	@prefix@/sbin/pdnsd -d
-	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/pdnsd
-	echo ' OK'
-}
-
-stop() {
-	echo -n "Shutting down pdnsd... "
-	killall pdnsd
-	RETVAL=$?
-	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/pdnsd
-	echo ' OK'
-}
-
-restart() {
-	stop
-	start
-}
-
-condrestart() {
-	[ -e /var/lock/subsys/pdnsd ] && restart
-	return 0
-}
-
-case "$1" in
-  start)
-	start
-	;;
-  stop)
-	stop
-	;;
-  reload|restart)
-	restart
-  	;;
-  condrestart)
-	condrestart
-  	;;
-  *)
-	echo $"Usage: $0 {start|stop|restart|condrestart|reload}"
-	RETVAL=1
-esac
-
-exit $RETVAL
diff --git a/app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.am b/app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.am
deleted file mode 100644
index dc5f485..0000000
--- a/app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.am
+++ /dev/null
@@ -1,22 +0,0 @@
-
-install-exec-local:
-	if [ "$(distribution)" = "SuSE" ] ; then \
-	  CURDIR=`pwd`; \
-	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d"; \
-	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/sbin/init.d/pdnsd"; \
-	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d/rc2.d"; \
-	  cd "$(DESTDIR)/sbin/init.d/rc2.d"; \
-	  ln -fs ../pdnsd K34pdnsd; ln -s ../pdnsd S11pdnsd; \
-	  cd $$CURDIR ; \
-	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d/rc3.d"; \
-	  cd "$(DESTDIR)/sbin/init.d/rc3.d"; \
-	  ln -fs ../pdnsd K34pdnsd; ln -s ../pdnsd S11pdnsd; \
-	  cd $$CURDIR ; \
-	  grep "START_PDNSD" "$(DESTDIR)/etc/rc.config" > /dev/null ; \
-	  if [ $$? -eq 1 ] ; then \
-	    echo -e "\n\n#\n# Set to yes to start pdnsd at boot time\n#\nSTART_PDNSD=yes" >> /etc/rc.config ; \
-	  fi \
-	fi
-
-
-
diff --git a/app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.in b/app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.in
deleted file mode 100644
index df1660f..0000000
--- a/app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.in
+++ /dev/null
@@ -1,345 +0,0 @@
-# Makefile.in generated by automake 1.11.1 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
-# Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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-install_sh_DATA = $(install_sh) -c -m 644
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-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
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-subdir = src/rc/SuSE
-DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
-	$(srcdir)/pdnsd.in
-ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/configure.in
-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
-	$(ACLOCAL_M4)
-mkinstalldirs = $(install_sh) -d
-CONFIG_HEADER = $(top_builddir)/config.h
-CONFIG_CLEAN_FILES = pdnsd
-CONFIG_CLEAN_VPATH_FILES =
-SOURCES =
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-thread_CFLAGS = @thread_CFLAGS@
-threadlib = @threadlib@
-top_build_prefix = @top_build_prefix@
-top_builddir = @top_builddir@
-top_srcdir = @top_srcdir@
-all: all-am
-
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-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
-	@for dep in $?; do \
-	  case '$(am__configure_deps)' in \
-	    *$$dep*) \
-	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
-	        && { if test -f $@; then exit 0; else break; fi; }; \
-	      exit 1;; \
-	  esac; \
-	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/rc/SuSE/Makefile'; \
-	$(am__cd) $(top_srcdir) && \
-	  $(AUTOMAKE) --gnu src/rc/SuSE/Makefile
-.PRECIOUS: Makefile
-Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
-	@case '$?' in \
-	  *config.status*) \
-	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
-	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
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-	    fi; \
-	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
-	  else \
-	    test -f "$(distdir)/$$file" \
-	    || cp -p $$d/$$file "$(distdir)/$$file" \
-	    || exit 1; \
-	  fi; \
-	done
-check-am: all-am
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-	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
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-	  `test -z '$(STRIP)' || \
-	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
-mostlyclean-generic:
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-	if [ "$(distribution)" = "SuSE" ] ; then \
-	  CURDIR=`pwd`; \
-	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d"; \
-	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/sbin/init.d/pdnsd"; \
-	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d/rc2.d"; \
-	  cd "$(DESTDIR)/sbin/init.d/rc2.d"; \
-	  ln -fs ../pdnsd K34pdnsd; ln -s ../pdnsd S11pdnsd; \
-	  cd $$CURDIR ; \
-	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d/rc3.d"; \
-	  cd "$(DESTDIR)/sbin/init.d/rc3.d"; \
-	  ln -fs ../pdnsd K34pdnsd; ln -s ../pdnsd S11pdnsd; \
-	  cd $$CURDIR ; \
-	  grep "START_PDNSD" "$(DESTDIR)/etc/rc.config" > /dev/null ; \
-	  if [ $$? -eq 1 ] ; then \
-	    echo -e "\n\n#\n# Set to yes to start pdnsd at boot time\n#\nSTART_PDNSD=yes" >> /etc/rc.config ; \
-	  fi \
-	fi
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/app/src/main/jni/pdnsd/src/rc/SuSE/pdnsd.in b/app/src/main/jni/pdnsd/src/rc/SuSE/pdnsd.in
deleted file mode 100644
index 9711eca..0000000
--- a/app/src/main/jni/pdnsd/src/rc/SuSE/pdnsd.in
+++ /dev/null
@@ -1,68 +0,0 @@
-#! /bin/sh
-# Copyright (c) 1995-1998 SuSE GmbH Nuernberg, Germany.
-#
-# Modified 2000 from SuSE Linux 6.3 /sbin/init.d/skeleton by Thomas Moestl
-#
-# /sbin/init.d/pdnsd
-#
-#   and symbolic its link
-#
-# /sbin/rc?/pdnsd
-#
-
-. /etc/rc.config
-
-# Determine the base and follow a runlevel link name.
-base=${0##*/}
-link=${base#*[SK][0-9][0-9]}
-
-# Force execution if not called by a runlevel directory.
-test $link = $base && START_PDNSD=yes
-test "$START_PDNSD" = yes || exit 0
-
-# The echo return value for success (defined in /etc/rc.config).
-return=$rc_done
-case "$1" in
-    start)
-	echo -n "Starting pdnsd"
-	## Start daemon with startproc(8). If this fails
-	## the echo return value is set appropriate.
-
-	startproc @prefix@/sbin/pdnsd -d || return=$rc_failed
-	
-	echo -e "$return"
-	;;
-    stop)
-	echo -n "Shutting down pdnsd"
-	## Stop daemon with killproc(8) and if this fails
-	## set echo the echo return value.
-
-	killproc -TERM @prefix@/sbin/pdnsd || return=$rc_failed
-
-	echo -e "$return"
-	;;
-    restart)
-	## If first returns OK call the second, if first or
-	## second command fails, set echo return value.
-	$0 stop  &&  $0 start  ||  return=$rc_failed
-	;;
-    reload)
-	$0 stop  &&  $0 start  ||  return=$rc_failed
-	;;
-    status)
-	echo -n "Checking for pdnsd: "
-	## Check status with checkproc(8), if process is running
-	## checkproc will return with exit status 0.
-
-	checkproc @prefix@/sbin/pdnsd && echo OK || echo No process
-	;;
-    *)
-	echo "Usage: $0 {start|stop|status|restart|reload}"
-	exit 1
-	;;
-esac
-
-# Inform the caller not only verbosely and set an exit status.
-test "$return" = "$rc_done" || exit 1
-exit 0
-
diff --git a/app/src/main/jni/pdnsd/src/rr_types.c b/app/src/main/jni/pdnsd/src/rr_types.c
deleted file mode 100644
index 275a90a..0000000
--- a/app/src/main/jni/pdnsd/src/rr_types.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/* rr_types.c - Tables with information for handling
-                all rr types known to pdnsd, plus
-		some helper functions useful for turning
-		binary RR data into text or vice versa.
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2003, 2004, 2007, 2010, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <string.h>
-#include <stdio.h>
-#define DEFINE_RR_TYPE_ARRAYS 1
-#include "helpers.h"
-#include "dns.h"
-#include "rr_types.h"
-
-
-/*
- * OK, this is inefficient. But it is used _really_ seldom (only in some cases while parsing the
- * config file or by pdnsd-ctl), so it is much more effective to sort by id.
- */
-int rr_tp_byname(char *name)
-{
-	int i;
-
-	for (i=0;i<T_NUM;i++) {
-		if (strcmp(name, rrnames[i])==0)
-			return i+T_MIN;
-	}
-	return -1; /* invalid */
-}
-
-/* The following is not needed by pdnsd-ctl. */
-#ifndef CLIENT_ONLY
-
-static const unsigned int poweroften[8] = {1, 10, 100, 1000, 10000, 100000,
-					   1000000,10000000};
-#define NPRECSIZE (sizeof "90000000")
-/* takes an XeY precision/size value, returns a string representation.
-   This is an adapted version of the function of the same name that
-   can be found in the BIND 9 source.
- */
-static const char *precsize_ntoa(uint8_t prec,char *retbuf)
-{
-	unsigned int mantissa, exponent;
-
-	mantissa = (prec >> 4);
-	exponent = (prec & 0x0f);
-
-	if(mantissa>=10 || exponent>=10)
-		return NULL;
-	if (exponent>= 2)
-		sprintf(retbuf, "%u", mantissa * poweroften[exponent-2]);
-	else
-		sprintf(retbuf, "0.%.2u", mantissa * poweroften[exponent]);
-	return (retbuf);
-}
-
-/* takes an on-the-wire LOC RR and formats it in a human readable format.
-   This is an adapted version of the loc_ntoa function that
-   can be found in the BIND 9 source.
- */
-const char *loc2str(const void *binary, char *ascii, size_t asclen)
-{
-	const unsigned char *cp = binary;
-
-	int latdeg, latmin, latsec, latsecfrac;
-	int longdeg, longmin, longsec, longsecfrac;
-	char northsouth, eastwest;
-	const char *altsign;
-	int altmeters, altfrac;
-
-	const uint32_t referencealt = 100000 * 100;
-
-	int32_t latval, longval, altval;
-	uint32_t templ;
-	uint8_t sizeval, hpval, vpval, versionval;
-
-	char sizestr[NPRECSIZE],hpstr[NPRECSIZE],vpstr[NPRECSIZE];
-
-	versionval = *cp++;
-
-	if (versionval) {
-		/* unknown LOC RR version */
-		return NULL;
-	}
-
-	sizeval = *cp++;
-
-	hpval = *cp++;
-	vpval = *cp++;
-
-	GETINT32(templ, cp);
-	latval = (templ - ((unsigned)1<<31));
-
-	GETINT32(templ, cp);
-	longval = (templ - ((unsigned)1<<31));
-
-	GETINT32(templ, cp);
-	if (templ < referencealt) { /* below WGS 84 spheroid */
-		altval = referencealt - templ;
-		altsign = "-";
-	} else {
-		altval = templ - referencealt;
-		altsign = "";
-	}
-
-	if (latval < 0) {
-		northsouth = 'S';
-		latval = -latval;
-	} else
-		northsouth = 'N';
-
-	latsecfrac = latval % 1000;
-	latval /= 1000;
-	latsec = latval % 60;
-	latval /= 60;
-	latmin = latval % 60;
-	latval /= 60;
-	latdeg = latval;
-
-	if (longval < 0) {
-		eastwest = 'W';
-		longval = -longval;
-	} else
-		eastwest = 'E';
-
-	longsecfrac = longval % 1000;
-	longval /= 1000;
-	longsec = longval % 60;
-	longval /= 60;
-	longmin = longval % 60;
-	longval /= 60;
-	longdeg = longval;
-
-	altfrac = altval % 100;
-	altmeters = (altval / 100);
-
-	if(!precsize_ntoa(sizeval,sizestr) || !precsize_ntoa(hpval,hpstr) || !precsize_ntoa(vpval,vpstr))
-		return NULL;
-	{
-		int n=snprintf(ascii,asclen,
-			       "%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %s%d.%.2dm %sm %sm %sm",
-			       latdeg, latmin, latsec, latsecfrac, northsouth,
-			       longdeg, longmin, longsec, longsecfrac, eastwest,
-			       altsign, altmeters, altfrac,
-			       sizestr, hpstr, vpstr);
-		if(n<0 || n>=asclen)
-			return NULL;
-	}
-
-	return (ascii);
-}
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/rr_types.h b/app/src/main/jni/pdnsd/src/rr_types.h
deleted file mode 100644
index 6025fae..0000000
--- a/app/src/main/jni/pdnsd/src/rr_types.h
+++ /dev/null
@@ -1,536 +0,0 @@
-/* This file was generated by running 'make_rr_types_h.pl rr_types.in'.
-   Modifications to this file may be lost the next time it is automatically
-   regenerated.
-*/
-
-/* rr_types.h - A header file with names & descriptions of
-                all rr types known to pdnsd
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2007, 2010, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef _RR_TYPES_H_
-#define _RR_TYPES_H_
-
-#include <config.h>
-
-#define T_MIN 1
-#define T_A           1
-#define T_NS          2
-#define T_MD          3
-#define T_MF          4
-#define T_CNAME       5
-#define T_SOA         6
-#define T_MB          7
-#define T_MG          8
-#define T_MR          9
-#define T_NULL       10
-#define T_WKS        11
-#define T_PTR        12
-#define T_HINFO      13
-#define T_MINFO      14
-#define T_MX         15
-#define T_TXT        16
-#define T_RP         17
-#define T_AFSDB      18
-#define T_X25        19
-#define T_ISDN       20
-#define T_RT         21
-#define T_NSAP       22
-#define T_NSAP_PTR   23
-#define T_SIG        24
-#define T_KEY        25
-#define T_PX         26
-#define T_GPOS       27
-#define T_AAAA       28
-#define T_LOC        29
-#define T_NXT        30
-#define T_EID        31
-#define T_NIMLOC     32
-#define T_SRV        33
-#define T_ATMA       34
-#define T_NAPTR      35
-#define T_KX         36
-#define T_CERT       37
-#define T_A6         38
-#define T_DNAME      39
-#define T_SINK       40
-#define T_OPT        41
-#define T_APL        42
-#define T_DS         43
-#define T_SSHFP      44
-#define T_IPSECKEY   45
-#define T_RRSIG      46
-#define T_NSEC       47
-#define T_DNSKEY     48
-#define T_DHCID      49
-#define T_NSEC3      50
-#define T_NSEC3PARAM 51
-#define T_HIP        55
-#define T_NINFO      56
-#define T_RKEY       57
-#define T_TALINK     58
-#define T_SPF        99
-#define T_UINFO      100
-#define T_UID        101
-#define T_GID        102
-#define T_UNSPEC     103
-#define T_MAX 51
-
-/* T_MAX - T_MIN + 1 */
-#define T_NUM 51
-
-/* Number of most frequently used rr types. */
-#define NRRMU 8
-
-/* Number of remaining rr types. */
-#define NRREXT 39
-
-/* NRRMU + NRREXT */
-#define NRRTOT 47
-
-/* Lookup table for converting rr type values to internally used indices. */
-extern const unsigned short int rrlkuptab[T_NUM];
-#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
-const unsigned short int rrlkuptab[T_NUM] = {
-   0  /* A */,
-   1  /* NS */,
-   8  /* MD */,
-   9  /* MF */,
-   2  /* CNAME */,
-   3  /* SOA */,
-  10  /* MB */,
-  11  /* MG */,
-  12  /* MR */,
-  13  /* NULL */,
-  14  /* WKS */,
-   4  /* PTR */,
-  15  /* HINFO */,
-  16  /* MINFO */,
-   5  /* MX */,
-   6  /* TXT */,
-  17  /* RP */,
-  18  /* AFSDB */,
-  19  /* X25 */,
-  20  /* ISDN */,
-  21  /* RT */,
-  22  /* NSAP */,
-  23  /* NSAP_PTR */,
-  24  /* SIG */,
-  25  /* KEY */,
-  26  /* PX */,
-  27  /* GPOS */,
-   7  /* AAAA */,
-  28  /* LOC */,
-  29  /* NXT */,
-  30  /* EID */,
-  31  /* NIMLOC */,
-  32  /* SRV */,
-  33  /* ATMA */,
-  34  /* NAPTR */,
-  35  /* KX */,
-  36  /* CERT */,
-  47  /* A6 */,
-  48  /* DNAME */,
-  49  /* SINK */,
-  50  /* OPT */,
-  37  /* APL */,
-  38  /* DS */,
-  39  /* SSHFP */,
-  40  /* IPSECKEY */,
-  41  /* RRSIG */,
-  42  /* NSEC */,
-  43  /* DNSKEY */,
-  44  /* DHCID */,
-  45  /* NSEC3 */,
-  46  /* NSEC3PARAM */
-};
-#endif
-
-/* List of most frequently used RR types in ascending order. */
-extern const unsigned short int rrmuiterlist[NRRMU];
-#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
-const unsigned short int rrmuiterlist[NRRMU] = {
-  T_A,
-  T_NS,
-  T_CNAME,
-  T_SOA,
-  T_PTR,
-  T_MX,
-  T_TXT,
-  T_AAAA
-};
-#endif
-
-/* List of the cache-able RR types in ascending order. */
-extern const unsigned short int rrcachiterlist[NRRTOT];
-#if DEFINE_RR_TYPE_ARRAYS
-const unsigned short int rrcachiterlist[NRRTOT] = {
-  T_A,
-  T_NS,
-  T_MD,
-  T_MF,
-  T_CNAME,
-  T_SOA,
-  T_MB,
-  T_MG,
-  T_MR,
-  T_NULL,
-  T_WKS,
-  T_PTR,
-  T_HINFO,
-  T_MINFO,
-  T_MX,
-  T_TXT,
-  T_RP,
-  T_AFSDB,
-  T_X25,
-  T_ISDN,
-  T_RT,
-  T_NSAP,
-  T_NSAP_PTR,
-  T_SIG,
-  T_KEY,
-  T_PX,
-  T_GPOS,
-  T_AAAA,
-  T_LOC,
-  T_NXT,
-  T_EID,
-  T_NIMLOC,
-  T_SRV,
-  T_ATMA,
-  T_NAPTR,
-  T_KX,
-  T_CERT,
-  T_APL,
-  T_DS,
-  T_SSHFP,
-  T_IPSECKEY,
-  T_RRSIG,
-  T_NSEC,
-  T_DNSKEY,
-  T_DHCID,
-  T_NSEC3,
-  T_NSEC3PARAM
-};
-#endif
-
-/* Optimized getrrset macros for fixed rr types. */
-#define getrrset_A(cent)          GET_RRSMU(cent,0)
-#define getrrset_NS(cent)         GET_RRSMU(cent,1)
-#define getrrset_MD(cent)         GET_RRSEXT(cent,0)
-#define getrrset_MF(cent)         GET_RRSEXT(cent,1)
-#define getrrset_CNAME(cent)      GET_RRSMU(cent,2)
-#define getrrset_SOA(cent)        GET_RRSMU(cent,3)
-#define getrrset_MB(cent)         GET_RRSEXT(cent,2)
-#define getrrset_MG(cent)         GET_RRSEXT(cent,3)
-#define getrrset_MR(cent)         GET_RRSEXT(cent,4)
-#define getrrset_NULL(cent)       GET_RRSEXT(cent,5)
-#define getrrset_WKS(cent)        GET_RRSEXT(cent,6)
-#define getrrset_PTR(cent)        GET_RRSMU(cent,4)
-#define getrrset_HINFO(cent)      GET_RRSEXT(cent,7)
-#define getrrset_MINFO(cent)      GET_RRSEXT(cent,8)
-#define getrrset_MX(cent)         GET_RRSMU(cent,5)
-#define getrrset_TXT(cent)        GET_RRSMU(cent,6)
-#define getrrset_RP(cent)         GET_RRSEXT(cent,9)
-#define getrrset_AFSDB(cent)      GET_RRSEXT(cent,10)
-#define getrrset_X25(cent)        GET_RRSEXT(cent,11)
-#define getrrset_ISDN(cent)       GET_RRSEXT(cent,12)
-#define getrrset_RT(cent)         GET_RRSEXT(cent,13)
-#define getrrset_NSAP(cent)       GET_RRSEXT(cent,14)
-#define getrrset_NSAP_PTR(cent)   GET_RRSEXT(cent,15)
-#define getrrset_SIG(cent)        GET_RRSEXT(cent,16)
-#define getrrset_KEY(cent)        GET_RRSEXT(cent,17)
-#define getrrset_PX(cent)         GET_RRSEXT(cent,18)
-#define getrrset_GPOS(cent)       GET_RRSEXT(cent,19)
-#define getrrset_AAAA(cent)       GET_RRSMU(cent,7)
-#define getrrset_LOC(cent)        GET_RRSEXT(cent,20)
-#define getrrset_NXT(cent)        GET_RRSEXT(cent,21)
-#define getrrset_EID(cent)        GET_RRSEXT(cent,22)
-#define getrrset_NIMLOC(cent)     GET_RRSEXT(cent,23)
-#define getrrset_SRV(cent)        GET_RRSEXT(cent,24)
-#define getrrset_ATMA(cent)       GET_RRSEXT(cent,25)
-#define getrrset_NAPTR(cent)      GET_RRSEXT(cent,26)
-#define getrrset_KX(cent)         GET_RRSEXT(cent,27)
-#define getrrset_CERT(cent)       GET_RRSEXT(cent,28)
-#define getrrset_APL(cent)        GET_RRSEXT(cent,29)
-#define getrrset_DS(cent)         GET_RRSEXT(cent,30)
-#define getrrset_SSHFP(cent)      GET_RRSEXT(cent,31)
-#define getrrset_IPSECKEY(cent)   GET_RRSEXT(cent,32)
-#define getrrset_RRSIG(cent)      GET_RRSEXT(cent,33)
-#define getrrset_NSEC(cent)       GET_RRSEXT(cent,34)
-#define getrrset_DNSKEY(cent)     GET_RRSEXT(cent,35)
-#define getrrset_DHCID(cent)      GET_RRSEXT(cent,36)
-#define getrrset_NSEC3(cent)      GET_RRSEXT(cent,37)
-#define getrrset_NSEC3PARAM(cent) GET_RRSEXT(cent,38)
-
-/* have_rr macros for fixed rr types. */
-#define have_rr_A(cent)           HAVE_RRMU(cent,0)
-#define have_rr_NS(cent)          HAVE_RRMU(cent,1)
-#define have_rr_MD(cent)          HAVE_RREXT(cent,0)
-#define have_rr_MF(cent)          HAVE_RREXT(cent,1)
-#define have_rr_CNAME(cent)       HAVE_RRMU(cent,2)
-#define have_rr_SOA(cent)         HAVE_RRMU(cent,3)
-#define have_rr_MB(cent)          HAVE_RREXT(cent,2)
-#define have_rr_MG(cent)          HAVE_RREXT(cent,3)
-#define have_rr_MR(cent)          HAVE_RREXT(cent,4)
-#define have_rr_NULL(cent)        HAVE_RREXT(cent,5)
-#define have_rr_WKS(cent)         HAVE_RREXT(cent,6)
-#define have_rr_PTR(cent)         HAVE_RRMU(cent,4)
-#define have_rr_HINFO(cent)       HAVE_RREXT(cent,7)
-#define have_rr_MINFO(cent)       HAVE_RREXT(cent,8)
-#define have_rr_MX(cent)          HAVE_RRMU(cent,5)
-#define have_rr_TXT(cent)         HAVE_RRMU(cent,6)
-#define have_rr_RP(cent)          HAVE_RREXT(cent,9)
-#define have_rr_AFSDB(cent)       HAVE_RREXT(cent,10)
-#define have_rr_X25(cent)         HAVE_RREXT(cent,11)
-#define have_rr_ISDN(cent)        HAVE_RREXT(cent,12)
-#define have_rr_RT(cent)          HAVE_RREXT(cent,13)
-#define have_rr_NSAP(cent)        HAVE_RREXT(cent,14)
-#define have_rr_NSAP_PTR(cent)    HAVE_RREXT(cent,15)
-#define have_rr_SIG(cent)         HAVE_RREXT(cent,16)
-#define have_rr_KEY(cent)         HAVE_RREXT(cent,17)
-#define have_rr_PX(cent)          HAVE_RREXT(cent,18)
-#define have_rr_GPOS(cent)        HAVE_RREXT(cent,19)
-#define have_rr_AAAA(cent)        HAVE_RRMU(cent,7)
-#define have_rr_LOC(cent)         HAVE_RREXT(cent,20)
-#define have_rr_NXT(cent)         HAVE_RREXT(cent,21)
-#define have_rr_EID(cent)         HAVE_RREXT(cent,22)
-#define have_rr_NIMLOC(cent)      HAVE_RREXT(cent,23)
-#define have_rr_SRV(cent)         HAVE_RREXT(cent,24)
-#define have_rr_ATMA(cent)        HAVE_RREXT(cent,25)
-#define have_rr_NAPTR(cent)       HAVE_RREXT(cent,26)
-#define have_rr_KX(cent)          HAVE_RREXT(cent,27)
-#define have_rr_CERT(cent)        HAVE_RREXT(cent,28)
-#define have_rr_A6(cent)          0
-#define have_rr_DNAME(cent)       0
-#define have_rr_SINK(cent)        0
-#define have_rr_OPT(cent)         0
-#define have_rr_APL(cent)         HAVE_RREXT(cent,29)
-#define have_rr_DS(cent)          HAVE_RREXT(cent,30)
-#define have_rr_SSHFP(cent)       HAVE_RREXT(cent,31)
-#define have_rr_IPSECKEY(cent)    HAVE_RREXT(cent,32)
-#define have_rr_RRSIG(cent)       HAVE_RREXT(cent,33)
-#define have_rr_NSEC(cent)        HAVE_RREXT(cent,34)
-#define have_rr_DNSKEY(cent)      HAVE_RREXT(cent,35)
-#define have_rr_DHCID(cent)       HAVE_RREXT(cent,36)
-#define have_rr_NSEC3(cent)       HAVE_RREXT(cent,37)
-#define have_rr_NSEC3PARAM(cent)  HAVE_RREXT(cent,38)
-
-/* These macros specify which RR types are cached by pdnsd. */
-#define IS_CACHED_A          1
-#define IS_CACHED_NS         1
-#define IS_CACHED_MD         1
-#define IS_CACHED_MF         1
-#define IS_CACHED_CNAME      1
-#define IS_CACHED_SOA        1
-#define IS_CACHED_MB         1
-#define IS_CACHED_MG         1
-#define IS_CACHED_MR         1
-#define IS_CACHED_NULL       1
-#define IS_CACHED_WKS        1
-#define IS_CACHED_PTR        1
-#define IS_CACHED_HINFO      1
-#define IS_CACHED_MINFO      1
-#define IS_CACHED_MX         1
-#define IS_CACHED_TXT        1
-#define IS_CACHED_RP         1
-#define IS_CACHED_AFSDB      1
-#define IS_CACHED_X25        1
-#define IS_CACHED_ISDN       1
-#define IS_CACHED_RT         1
-#define IS_CACHED_NSAP       1
-#define IS_CACHED_NSAP_PTR   1
-#define IS_CACHED_SIG        1
-#define IS_CACHED_KEY        1
-#define IS_CACHED_PX         1
-#define IS_CACHED_GPOS       1
-#define IS_CACHED_AAAA       1
-#define IS_CACHED_LOC        1
-#define IS_CACHED_NXT        1
-#define IS_CACHED_EID        1
-#define IS_CACHED_NIMLOC     1
-#define IS_CACHED_SRV        1
-#define IS_CACHED_ATMA       1
-#define IS_CACHED_NAPTR      1
-#define IS_CACHED_KX         1
-#define IS_CACHED_CERT       1
-#define IS_CACHED_APL        1
-#define IS_CACHED_DS         1
-#define IS_CACHED_SSHFP      1
-#define IS_CACHED_IPSECKEY   1
-#define IS_CACHED_RRSIG      1
-#define IS_CACHED_NSEC       1
-#define IS_CACHED_DNSKEY     1
-#define IS_CACHED_DHCID      1
-#define IS_CACHED_NSEC3      1
-#define IS_CACHED_NSEC3PARAM 1
-
-/* Array indices for most frequently used rr types. */
-#define RRMUINDEX_A         0
-#define RRMUINDEX_NS        1
-#define RRMUINDEX_CNAME     2
-#define RRMUINDEX_SOA       3
-#define RRMUINDEX_PTR       4
-#define RRMUINDEX_MX        5
-#define RRMUINDEX_TXT       6
-#define RRMUINDEX_AAAA      7
-
-/* Table of rr names. */
-extern const char *const rrnames[T_NUM];
-#if DEFINE_RR_TYPE_ARRAYS
-const char *const rrnames[T_NUM] = {
-  "A",
-  "NS",
-  "MD",
-  "MF",
-  "CNAME",
-  "SOA",
-  "MB",
-  "MG",
-  "MR",
-  "NULL",
-  "WKS",
-  "PTR",
-  "HINFO",
-  "MINFO",
-  "MX",
-  "TXT",
-  "RP",
-  "AFSDB",
-  "X25",
-  "ISDN",
-  "RT",
-  "NSAP",
-  "NSAP_PTR",
-  "SIG",
-  "KEY",
-  "PX",
-  "GPOS",
-  "AAAA",
-  "LOC",
-  "NXT",
-  "EID",
-  "NIMLOC",
-  "SRV",
-  "ATMA",
-  "NAPTR",
-  "KX",
-  "CERT",
-  "A6",
-  "DNAME",
-  "SINK",
-  "OPT",
-  "APL",
-  "DS",
-  "SSHFP",
-  "IPSECKEY",
-  "RRSIG",
-  "NSEC",
-  "DNSKEY",
-  "DHCID",
-  "NSEC3",
-  "NSEC3PARAM"
-};
-#endif
-
-/* Structure for rr information */
-struct rr_infos {
-	unsigned short class;		/* class (values see below) */
-	unsigned short excludes;	/* relations to other classes.
-					   Mutual exclusion is marked by or'ing the
-					   respective RRCL value in this field.
-					   Exclusions should be symmetric. */
-};
-
-/* Class values */
-#define RRCL_ALIAS	1	/* for CNAMES, conflicts with RRCL_RECORD */
-#define RRCL_RECORD	2	/* normal direct record */
-#define RRCL_IDEM	4	/* types that conflict with no others (MX, CNAME, ...) */
-#define RRCL_PTR	8	/* PTR */
-
-/* Standard excludes for the classes */
-#define RRX_ALIAS	(RRCL_RECORD|RRCL_PTR)
-#define	RRX_RECORD	(RRCL_ALIAS|RRCL_PTR)
-#define	RRX_IDEM	0
-#define	RRX_PTR		(RRCL_ALIAS|RRCL_RECORD)
-
-/* There could be a separate table detailing the relationship of types, but this
- * is slightly more flexible, as it allows a finer granularity of exclusion. Also,
- * Membership in multiple classes could be added.
- * Index by internally used RR-set indices, not RR type values!
- */
-extern const struct rr_infos rr_info[NRRTOT];
-#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
-const struct rr_infos rr_info[NRRTOT] = {
-  {RRCL_RECORD,    RRX_RECORD}     /* A */,
-  {RRCL_IDEM,      RRX_IDEM}       /* NS */,
-  {RRCL_ALIAS,     RRX_ALIAS}      /* CNAME */,
-  {RRCL_IDEM,      RRX_IDEM}       /* SOA */,
-  {RRCL_PTR,       RRX_PTR}        /* PTR */,
-  {RRCL_IDEM,      RRX_IDEM}       /* MX */,
-  {RRCL_IDEM,      RRX_IDEM}       /* TXT */,
-  {RRCL_RECORD,    RRX_RECORD}     /* AAAA */,
-  {RRCL_IDEM,      RRX_IDEM}       /* MD */,
-  {RRCL_IDEM,      RRX_IDEM}       /* MF */,
-  {RRCL_IDEM,      RRX_IDEM}       /* MB */,
-  {RRCL_IDEM,      RRX_IDEM}       /* MG */,
-  {RRCL_IDEM,      RRX_IDEM}       /* MR */,
-  {RRCL_IDEM,      RRX_IDEM}       /* NULL */,
-  {RRCL_RECORD,    RRX_RECORD}     /* WKS */,
-  {RRCL_RECORD,    RRX_RECORD}     /* HINFO */,
-  {RRCL_IDEM,      RRX_IDEM}       /* MINFO */,
-  {RRCL_RECORD,    RRX_RECORD}     /* RP */,
-  {RRCL_RECORD,    RRX_RECORD}     /* AFSDB */,
-  {RRCL_RECORD,    RRX_RECORD}     /* X25 */,
-  {RRCL_RECORD,    RRX_RECORD}     /* ISDN */,
-  {RRCL_RECORD,    RRX_RECORD}     /* RT */,
-  {RRCL_RECORD,    RRX_RECORD}     /* NSAP */,
-  {RRCL_PTR,       RRX_PTR}        /* NSAP_PTR */,
-  {RRCL_IDEM,      RRX_IDEM}       /* SIG */,
-  {RRCL_IDEM,      RRX_IDEM}       /* KEY */,
-  {RRCL_IDEM,      RRX_IDEM}       /* PX */,
-  {RRCL_RECORD,    RRX_RECORD}     /* GPOS */,
-  {RRCL_RECORD,    RRX_RECORD}     /* LOC */,
-  {RRCL_IDEM,      RRX_IDEM}       /* NXT */,
-  {RRCL_RECORD,    RRX_RECORD}     /* EID */,
-  {RRCL_RECORD,    RRX_RECORD}     /* NIMLOC */,
-  {RRCL_RECORD,    RRX_RECORD}     /* SRV */,
-  {RRCL_RECORD,    RRX_RECORD}     /* ATMA */,
-  {RRCL_RECORD,    RRX_RECORD}     /* NAPTR */,
-  {RRCL_RECORD,    RRX_RECORD}     /* KX */,
-  {RRCL_RECORD,    RRX_RECORD}     /* CERT */,
-  {RRCL_IDEM,      RRX_IDEM}       /* APL */,
-  {RRCL_IDEM,      RRX_IDEM}       /* DS */,
-  {RRCL_IDEM,      RRX_IDEM}       /* SSHFP */,
-  {RRCL_IDEM,      RRX_IDEM}       /* IPSECKEY */,
-  {RRCL_IDEM,      RRX_IDEM}       /* RRSIG */,
-  {RRCL_IDEM,      RRX_IDEM}       /* NSEC */,
-  {RRCL_IDEM,      RRX_IDEM}       /* DNSKEY */,
-  {RRCL_IDEM,      RRX_IDEM}       /* DHCID */,
-  {RRCL_IDEM,      RRX_IDEM}       /* NSEC3 */,
-  {RRCL_IDEM,      RRX_IDEM}       /* NSEC3PARAM */
-};
-#endif
-
-int rr_tp_byname(char *name);
-const char *loc2str(const void *binary, char *ascii, size_t asclen);
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/rr_types.in b/app/src/main/jni/pdnsd/src/rr_types.in
deleted file mode 100644
index 5ebd2f3..0000000
--- a/app/src/main/jni/pdnsd/src/rr_types.in
+++ /dev/null
@@ -1,99 +0,0 @@
-# This file is part of the pdnsd package.
-
-# This file contains information about the RR types implemented in pdnsd
-# and is used for generating rr_types.h.
-# It was derived from the following source: http://www.bind9.net/dns-parameters
-#
-# After making modifications to this file the file rr_types.h should be regenerated!
-#
-# Info about the format of this file:
-#   Blank lines and lines starting with '#' are ignored, all other lines
-#   are assumed to define an RR type. Lines starting with '+' define most
-#   frequently used types. An RR type preceded by a '-' will not be cached
-#   by pdnsd. The next two fields are interpreted as the name and the value
-#   of the RR type, resp. A subsequent word in parenthesis will be interpreted a
-#   class name (used for conflict resolution). Remaining fields are ignored.
-#
-# Adding or removing an initial '+' can be done safely without requiring
-# changes to the source code (other than regenerating rr_types.h).
-#
-# If you are sure that you will never use certain RR types you can disable
-# caching for them and make pdnsd slightly more efficient by placing a
-# '-' sign in front of the lines that define those types.
-# For a list of obsolete RR types see e.g.
-#   http://en.wikipedia.org/wiki/List_of_DNS_record_types .
-# Note that some RR types are essential for pdnsd; these are currently:
-#   A, NS, CNAME, SOA, PTR, MX and (if you want IPv6 support) AAAA.
-# Disabling caching for these types will cause pdnsd to fail to compile
-# or cause a fatal run-time error.
-#
-# Removing a '-' sign to enable caching can be risky if the support in
-# the pdnsd code is missing or inadequate, so only do this if you really know
-# what you are doing. SPF records are supported, however, so it should be safe
-# to enable caching for them.
-
-# RR TYPE      Value (class) and meaning                      Reference
-# -----------  ---------------------------------------------  ---------
-+ A            1 (RECORD) a host address                      [RFC 1035]
-+ NS           2 an authoritative name server                 [RFC 1035]
-  MD           3 a mail destination (Obsolete - use MX)       [RFC 1035]
-  MF           4 a mail forwarder (Obsolete - use MX)         [RFC 1035]
-+ CNAME        5 (ALIAS) the canonical name for an alias      [RFC 1035]
-+ SOA          6 marks the start of a zone of authority       [RFC 1035]
-  MB           7 a mailbox domain name (EXPERIMENTAL)         [RFC 1035]
-  MG           8 a mail group member (EXPERIMENTAL)           [RFC 1035]
-  MR           9 a mail rename domain name (EXPERIMENTAL)     [RFC 1035]
-  NULL         10 a null RR (EXPERIMENTAL)                    [RFC 1035]
-  WKS          11 (RECORD) a well known service description   [RFC 1035]
-+ PTR          12 (PTR) a domain name pointer                 [RFC 1035]
-  HINFO        13 (RECORD) host information                   [RFC 1035]
-  MINFO        14 mailbox or mail list information            [RFC 1035]
-+ MX           15 mail exchange                               [RFC 1035]
-+ TXT          16 text strings                                [RFC 1035]
-  RP           17 (RECORD) for Responsible Person             [RFC 1183]
-  AFSDB        18 (RECORD) for AFS Data Base location         [RFC 1183][RFC 5864]
-  X25          19 (RECORD) for X.25 PSDN address              [RFC 1183]
-  ISDN         20 (RECORD) for ISDN address                   [RFC 1183]
-  RT           21 (RECORD) for Route Through                  [RFC 1183]
-  NSAP         22 (RECORD) for NSAP address, NSAP style A record [RFC 1706]
-  NSAP-PTR     23 (PTR) for domain name pointer, NSAP style   [RFC 1348]
-  SIG          24 for security signature                      [RFC 4034][RFC 3755][RFC 2535]
-  KEY          25 for security key                            [RFC 4034][RFC 3755][RFC 2535]
-  PX           26 X.400 mail mapping information              [RFC 2163]
-  GPOS         27 (RECORD) Geographical Position              [RFC 1712]
-+ AAAA         28 (RECORD) IP6 Address                        [RFC 3596]
-  LOC          29 (RECORD) Location Information               [RFC 1876]
-  NXT          30 Next Domain - OBSOLETE                      [RFC 3755][RFC 2535]
-  EID          31 (RECORD) Endpoint Identifier                [Patton]
-  NIMLOC       32 (RECORD) Nimrod Locator                     [Patton]
-  SRV          33 (RECORD) Server Selection                   [RFC 2782]
-  ATMA         34 (RECORD) ATM Address                        [ATMDOC]
-  NAPTR        35 (RECORD) Naming Authority Pointer           [RFC 2915][RFC 2168][RFC 3403]
-  KX           36 (RECORD) Key Exchanger                      [RFC 2230]
-  CERT         37 (RECORD) CERT                               [RFC 4398]
-- A6           38 A6 (Experimental)                           [RFC 3226][RFC 2874]
-- DNAME        39 (ALIAS) DNAME                               [RFC 2672]
-- SINK         40 SINK                                        [Eastlake]
-- OPT          41 OPT                                         [RFC 2671]
-  APL          42 APL                                         [RFC 3123]
-  DS           43 Delegation Signer                           [RFC 4034][RFC 3658]
-  SSHFP        44 SSH Key Fingerprint                         [RFC 4255]
-  IPSECKEY     45 IPSECKEY                                    [RFC 4025]
-  RRSIG        46 RRSIG                                       [RFC 4034][RFC 3755]
-  NSEC         47 NSEC                                        [RFC 4034][RFC 3755]
-  DNSKEY       48 DNSKEY                                      [RFC 4034][RFC 3755]
-  DHCID        49 DHCID                                       [RFC 4701]
-  NSEC3        50 NSEC3                                       [RFC 5155]
-  NSEC3PARAM   51 NSEC3PARAM                                  [RFC 5155]
-# Unassigned   52-54
-- HIP          55 Host Identity Protocol                      [RFC 5205]
-- NINFO        56 NINFO                                       [Reid]
-- RKEY         57 RKEY                                        [Reid]
-- TALINK       58 Trust Anchor LINK                           [Wijngaards]
-# Unassigned   59-98
-- SPF          99 Sender Policy Framework                     [RFC 4408]
-- UINFO        100                                            [IANA-Reserved]
-- UID          101                                            [IANA-Reserved]
-- GID          102                                            [IANA-Reserved]
-- UNSPEC       103                                            [IANA-Reserved]
-# Unassigned   104-248
diff --git a/app/src/main/jni/pdnsd/src/servers.c b/app/src/main/jni/pdnsd/src/servers.c
deleted file mode 100644
index 8549865..0000000
--- a/app/src/main/jni/pdnsd/src/servers.c
+++ /dev/null
@@ -1,856 +0,0 @@
-/* servers.c - manage a set of dns servers
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2005, 2007, 2009, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <pthread.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <sys/wait.h>
-#include <string.h>
-#include <errno.h>
-#include <signal.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <fnmatch.h>
-#include <string.h>
-#include "thread.h"
-#include "error.h"
-#include "servers.h"
-#include "conff.h"
-#include "consts.h"
-#include "icmp.h"
-#include "netdev.h"
-#include "helpers.h"
-#include "dns_query.h"
-
-
-/*
- * We may be a little over-strict with locks here. Never mind...
- * Also, there may be some code-redundancy regarding uptests. It saves some locks, though.
- */
-
-static pthread_mutex_t servers_lock = PTHREAD_MUTEX_INITIALIZER;
-static pthread_cond_t server_data_cond = PTHREAD_COND_INITIALIZER;
-static pthread_cond_t server_test_cond = PTHREAD_COND_INITIALIZER;
-static int server_data_users = 0, server_status_ping = 0;
-/* Used to notify the server status thread that it should discontinue uptests. */
-volatile int signal_interrupt=0;
-#define statusintsig SIGHUP
-
-static short retest_flag=0;
-
-static char schm[32];
-
-static void sigint_handler(int signum);
-
-/*
- * Execute an individual uptest. Call with locks applied
- */
-static int uptest (servparm_t *serv, int j)
-{
-	int ret=0, count_running_ping=0;
-	pdnsd_a *s_addr= PDNSD_A2_TO_A(&DA_INDEX(serv->atup_a,j).a);
-
-	DEBUG_PDNSDA_MSG("performing uptest (type=%s) for %s\n",const_name(serv->uptest),PDNSDA2STR(s_addr));
-
-	/* Unlock the mutex because some of the tests may take a while. */
-	++server_data_users;
-	if((serv->uptest==C_PING || serv->uptest==C_QUERY) && pthread_equal(pthread_self(),servstat_thrid)) {
-		/* Inform other threads that a ping is in progress. */
-		count_running_ping=1;
-		++server_status_ping;
-	}
-	pthread_mutex_unlock(&servers_lock);
-
-	switch (serv->uptest) {
-	case C_NONE:
-		/* Don't change */
-		ret=DA_INDEX(serv->atup_a,j).is_up;
-		break;
-	case C_PING:
-		ret=ping(is_inaddr_any(&serv->ping_a) ? s_addr : &serv->ping_a, serv->ping_timeout,PINGREPEAT)!=-1;
-		break;
-	case C_IF:
- 	case C_DEV:
-	case C_DIALD:
- 		ret=if_up(serv->interface);
-#if (TARGET==TARGET_LINUX)
- 		if (ret!=0) {
-			if(serv->uptest==C_DEV)
-				ret=dev_up(serv->interface,serv->device);
-			else if (serv->uptest==C_DIALD)
-				ret=dev_up("diald",serv->device);
- 		}
-#endif
-		break;
-	case C_EXEC: {
-	  	pid_t pid;
-
-		if ((pid=fork())==-1) {
-			DEBUG_MSG("Could not fork to perform exec uptest: %s\n",strerror(errno));
-			break;
-		} else if (pid==0) { /* child */
-			/*
-			 * If we ran as setuid or setgid, do not inherit this to the
-			 * command. This is just a last guard. Running pdnsd as setuid()
-			 * or setgid() is a no-no.
-			 */
-			if (setgid(getgid()) == -1 || setuid(getuid()) == -1) {
-				log_error("Could not reset uid or gid: %s",strerror(errno));
-				_exit(1);
-			}
-			/* Try to setuid() to a different user as specified. Good when you
-			   don't want the test command to run as root */
-			if (!run_as(serv->uptest_usr)) {
-				_exit(1);
-			}
-			{
-			    struct rlimit rl; int i;
-			    /*
-			     * Mark all open fd's FD_CLOEXEC for paranoia reasons.
-			     */
-			    if (getrlimit(RLIMIT_NOFILE, &rl) == -1) {
-				    log_error("getrlimit() failed: %s",strerror(errno));
-				    _exit(1);
-			    }
-			    for (i = 0; i < rl.rlim_max; i++) {
-				    if (fcntl(i, F_SETFD, FD_CLOEXEC) == -1 && errno != EBADF) {
-					    log_error("fcntl(F_SETFD) failed: %s",strerror(errno));
-					    _exit(1);
-				    }
-			    }
-			}
-			execl("/bin/sh", "uptest_sh","-c",serv->uptest_cmd,(char *)NULL);
-			_exit(1); /* failed execl */
-		} else { /* parent */
-			int status;
-			pid_t wpid = waitpid(pid,&status,0);
-			if (wpid==pid) {
-				if(WIFEXITED(status)) {
-					int exitstatus=WEXITSTATUS(status);
-					DEBUG_MSG("uptest command \"%s\" exited with status %d\n",
-						  serv->uptest_cmd, exitstatus);
-					ret=(exitstatus==0);
-				}
-#if DEBUG>0
-				else if(WIFSIGNALED(status)) {
-					DEBUG_MSG("uptest command \"%s\" was terminated by signal %d\n",
-						  serv->uptest_cmd, WTERMSIG(status));
-				}
-				else {
-					DEBUG_MSG("status of uptest command \"%s\" is of unkown type (0x%x)\n",
-						  serv->uptest_cmd, status);
-				}
-#endif
-			}
-#if DEBUG>0
-			else if (wpid==-1) {
-				DEBUG_MSG("Error while waiting for uptest command \"%s\" to terminate: "
-					  "waitpid for pid %d failed: %s\n",
-					  serv->uptest_cmd, pid, strerror(errno));
-			}
-			else {
-				DEBUG_MSG("Error while waiting for uptest command \"%s\" to terminate: "
-					  "waitpid returned %d, expected pid %d\n",
-					  serv->uptest_cmd, wpid, pid);
-			}
-#endif
-		}
-	}
-		break;
-	case C_QUERY:
-		ret=query_uptest(s_addr, serv->port, serv->query_test_name,
-				 serv->timeout>=global.timeout?serv->timeout:global.timeout,
-				 PINGREPEAT);
-	} /* end of switch */
-
-	pthread_mutex_lock(&servers_lock);
-	if(count_running_ping)
-		--server_status_ping;
-	PDNSD_ASSERT(server_data_users>0, "server_data_users non-positive before attempt to decrement it");
-	if (--server_data_users==0) pthread_cond_broadcast(&server_data_cond);
-
-	DEBUG_PDNSDA_MSG("result of uptest for %s: %s\n",
-			 PDNSDA2STR(s_addr),
-			 ret?"OK":"failed");
-	return ret;
-}
-
-static int scheme_ok(servparm_t *serv)
-{
-	if (serv->scheme[0]) {
-		if (!schm[0]) {
-		  	ssize_t nschm;
-			int sc = open(global.scheme_file, O_RDONLY);
-			char *s;
-			if (sc<0)
-				return 0;
-			nschm = read(sc, schm, sizeof(schm)-1);
-			close(sc);
-			if (nschm < 0)
-				return 0;
-			schm[nschm] = '\0';
-			s = strchr(schm, '\n');
-			if (s)
-				*s='\0';
-		}
-		if (fnmatch(serv->scheme, schm, 0))
-		  	return 0;
-	}
-	return 1;
-}
-
-/* Internal server test. Call with locks applied.
-   May test a single server ip or several collectively.
- */
-static void retest(int i, int j)
-{
-  time_t s_ts;
-  servparm_t *srv=&DA_INDEX(servers,i);
-  int nsrvs=DA_NEL(srv->atup_a);
-
-  if(!nsrvs) return;
-  if(j>=0) {
-    if(j<nsrvs) nsrvs=j+1;  /* test just one */
-  }
-  else {
-    j=0;        /* test a range of servers */
-  }
-
-  if(!scheme_ok(srv)) {
-    s_ts=time(NULL);
-
-    for(;j<nsrvs;++j) {
-      atup_t *at=&DA_INDEX(srv->atup_a,j);
-      at->is_up=0;
-      at->i_ts=s_ts;
-    }
-  }
-  else if(srv->uptest==C_NONE) {
-    s_ts=time(NULL);
-
-    for(;j<nsrvs;++j) {
-	DA_INDEX(srv->atup_a,j).i_ts=s_ts;
-    }
-  }
-  else if(srv->uptest==C_QUERY || (srv->uptest==C_PING && is_inaddr_any(&srv->ping_a))) {  /* test each ip address separately */
-    for(;j<nsrvs;++j) {
-	atup_t *at=&DA_INDEX(srv->atup_a,j);
-	s_ts=time(NULL);
-	at->is_up=uptest(srv,j);
-	if(signal_interrupt)
-	  break;
-	at->i_ts=s_ts;
-    }
-  }
-  else {  /* test ip addresses collectively */
-    int res;
-
-    s_ts=time(NULL);
-    res=uptest(srv,j);
-    for(;j<nsrvs;++j) {
-      atup_t *at=&DA_INDEX(srv->atup_a,j);
-      at->is_up=res;
-      if(signal_interrupt && srv->uptest==C_PING)
-	continue;
-      at->i_ts=s_ts;
-    }
-  }
-}
-
-
-/* This is called by the server status thread to discover the addresses of root servers.
-   Call with server_lock applied.
-*/
-static addr2_array resolv_rootserver_addrs(atup_array a, int port, char edns_query, time_t timeout)
-{
-	addr2_array retval=NULL;
-
-	/* Unlock the mutex because this may take a while. */
-	++server_data_users;
-	pthread_mutex_unlock(&servers_lock);
-
-	retval= dns_rootserver_resolv(a,port,edns_query,timeout);
-
-	pthread_mutex_lock(&servers_lock);
-	PDNSD_ASSERT(server_data_users>0, "server_data_users non-positive before attempt to decrement it");
-	if (--server_data_users==0) pthread_cond_broadcast(&server_data_cond);
-
-	return retval;
-}
-
-/*
- * Refresh the server status by pinging or testing the interface in the given interval.
- * Note that you may get inaccuracies in the dimension of the ping timeout or the runtime
- * of your uptest command if you have uptest=ping or uptest=exec for at least one server.
- * This happens when all the uptests for the first n servers take more time than the inteval
- * of n+1 (or 0 when n+1>servnum). I do not think that these delays are critical, so I did
- * not to anything about that (because that may also be costly).
- */
-void *servstat_thread(void *p)
-{
-	struct sigaction action;
-	int keep_testing;
-
-	/* (void)p; */  /* To inhibit "unused variable" warning */
-
-	THREAD_SIGINIT;
-
-	pthread_mutex_lock(&servers_lock);
-	/* servstat_thrid=pthread_self(); */
-
-	signal_interrupt=0;
-	action.sa_handler = sigint_handler;
-	sigemptyset(&action.sa_mask);
-	action.sa_flags = 0;
-	if(sigaction(statusintsig, &action, NULL) == 0) {
-		sigset_t smask;
-		sigemptyset(&smask);
-		sigaddset(&smask, statusintsig);
-		pthread_sigmask(SIG_UNBLOCK,&smask,NULL);
-	}
-	else {
-		log_warn("Cannot install signal handler for server status thread: %s\n",strerror(errno));
-	}
-
-	for(;;) {
-		do {
-			int i,n;
-			keep_testing=0;
-			retest_flag=0;
-			schm[0] = '\0';
-			n=DA_NEL(servers);
-			for (i=0;i<n;++i) {
-				servparm_t *sp=&DA_INDEX(servers,i);
-				int j,m;
-				if(sp->rootserver==2) {
-					/* First get addresses of root servers. */
-					addr2_array adrs;
-					int l, one_up=0;
-
-					if(!scheme_ok(sp)) {
-						time_t now=time(NULL);
-						m=DA_NEL(sp->atup_a);
-						for(j=0;j<m;++j)
-							DA_INDEX(sp->atup_a,j).i_ts=now;
-					} else if(sp->uptest==C_PING || sp->uptest==C_QUERY) {
-						/* Skip ping or query tests until after discovery. */
-						if(sp->interval>0)
-							one_up= DA_NEL(sp->atup_a);
-						else {
-							time_t now=time(NULL);
-							m=DA_NEL(sp->atup_a);
-							for(j=0;j<m;++j) {
-								atup_t *at=&DA_INDEX(sp->atup_a,j);
-								if(at->is_up || at->i_ts==0)
-									one_up=1;
-								at->i_ts=now;
-							}
-						}
-					}
-					else {
-						retest(i,-1);
-
-						m=DA_NEL(sp->atup_a);
-						for(j=0;j<m;++j) {
-							if(DA_INDEX(sp->atup_a,j).is_up) {
-								one_up=1;
-								break;
-							}
-						}
-					}
-
-					if(!one_up) {
-						if (needs_intermittent_testing(sp)) keep_testing=1;
-						continue;
-					}
-
-					DEBUG_MSG("Attempting to discover root servers for server section #%d.\n",i);
-					adrs=resolv_rootserver_addrs(sp->atup_a,sp->port,sp->edns_query,sp->timeout);
-					l= DA_NEL(adrs);
-					if(l>0) {
-						struct timeval now;
-						struct timespec timeout;
-						atup_array ata;
-						DEBUG_MSG("Filling server section #%d with %d root server addresses.\n",i,l);
-						gettimeofday(&now,NULL);
-						timeout.tv_sec = now.tv_sec + 60;     /* time out after 60 seconds */
-						timeout.tv_nsec = now.tv_usec * 1000;
-						while (server_data_users>0) {
-							if(pthread_cond_timedwait(&server_data_cond, &servers_lock, &timeout) == ETIMEDOUT) {
-								DEBUG_MSG("Timed out while waiting for exclusive access to server data"
-									  " to set root server addresses of server section #%d\n",i);
-								da_free(adrs);
-								keep_testing=1;
-								continue;
-							}
-						}
-						ata = DA_CREATE(atup_array, l);
-						if(!ata) {
-							log_warn("Out of memory in servstat_thread() while discovering root servers.");
-							da_free(adrs);
-							keep_testing=1;
-							continue;
-						}
-						for(j=0; j<l; ++j) {
-							atup_t *at = &DA_INDEX(ata,j);
-							at->a = DA_INDEX(adrs,j);
-							at->is_up=sp->preset;
-							at->i_ts= sp->interval<0 ? time(NULL): 0;
-						}
-						da_free(sp->atup_a);
-						sp->atup_a=ata;
-						da_free(adrs);
-						/* Successfully set IP addresses for this server section. */
-						sp->rootserver=1;
-					}
-					else {
-						DEBUG_MSG("Failed to discover root servers in servstat_thread() (server section #%d).\n",i);
-						if(adrs) da_free(adrs);
-						if(DA_NEL(sp->atup_a)) keep_testing=1;
-						continue;
-					}
-				}
-
-				if (needs_testing(sp)) keep_testing=1;
-				m=DA_NEL(sp->atup_a);
-				for(j=0;j<m;++j)
-					if(DA_INDEX(sp->atup_a,j).i_ts)
-						goto individual_tests;
-				/* Test collectively */
-				if(!signal_interrupt) retest(i,-1);
-				continue;
-
-			individual_tests:
-				for(j=0; !signal_interrupt && j<m; ++j) {
-					time_t ts=DA_INDEX(sp->atup_a,j).i_ts, now;
-
-					if (ts==0 /* Always test servers with timestamp 0 */ ||
-					    (needs_intermittent_testing(sp) &&
-					     ((now=time(NULL))-ts>sp->interval ||
-					      ts>now /* kluge for clock skew */)))
-					{
-						retest(i,j);
-					}
-				}
-			}
-		} while(!signal_interrupt && retest_flag);
-
-		signal_interrupt=0;
-
-		/* Break the loop and exit the thread if it is no longer needed. */
-		if(!keep_testing) break;
-
-		{
-			struct timeval now;
-			struct timespec timeout;
-			time_t minwait;
-			int i,n,retval;
-
-			gettimeofday(&now,NULL);
-			minwait=3600; /* Check at least once every hour. */
-			n=DA_NEL(servers);
-			for (i=0;i<n;++i) {
-				servparm_t *sp=&DA_INDEX(servers,i);
-				int j,m=DA_NEL(sp->atup_a);
-				for(j=0;j<m;++j) {
-					time_t ts= DA_INDEX(sp->atup_a,j).i_ts;
-					if(ts==0) {
-						/* Test servers with timestamp 0 without delay */
-						if(minwait > 0) minwait=0;
-					}
-					else if(needs_intermittent_testing(sp)) {
-						time_t wait= ts + sp->interval - now.tv_sec;
-						if(wait < minwait) minwait=wait;
-					}
-				}
-			}
-			timeout.tv_sec = now.tv_sec;
-			if(minwait>0)
-				timeout.tv_sec += minwait;
-			timeout.tv_nsec = now.tv_usec * 1000 + 500000000;  /* wait at least half a second. */
-			if(timeout.tv_nsec>=1000000000) {
-				timeout.tv_nsec -= 1000000000;
-				++timeout.tv_sec;
-			}
-			/* While we wait for a server_test_cond condition or a timeout
-			   the servers_lock mutex is unlocked, so other threads can access
-			   server data
-			*/
-			retval=pthread_cond_timedwait(&server_test_cond, &servers_lock, &timeout);
-			DEBUG_MSG("Server status thread woke up (%s signal).\n",
-				  retval==0?"test condition":retval==ETIMEDOUT?"timer":retval==EINTR?"interrupt":"error");
-		}
-	}
-
-	/* server status thread no longer needed. */
-	servstat_thrid=main_thrid;
-	pthread_mutex_unlock(&servers_lock);
-	DEBUG_MSG("Server status thread exiting.\n");
-	return NULL;
-}
-
-/*
- * Start the server status thread.
- */
-int start_servstat_thread()
-{
-	pthread_t stt;
-
-	int rv=pthread_create(&stt,&attr_detached,servstat_thread,NULL);
-	if (rv)
-		log_warn("Failed to start server status thread: %s",strerror(rv));
-	else {
-		servstat_thrid=stt;
-		log_info(2,"Server status thread started.");
-	}
-	return rv;
-}
-
-/*
- * This can be used to mark a server (or a list of nadr servers) up (up=1) or down (up=0),
- * or to schedule an immediate retest (up=-1).
- * We can't always use indices to identify a server, because we allow run-time
- * configuration of server addresses, so the servers are identified by their IP addresses.
- */
-void sched_server_test(pdnsd_a *sa, int nadr, int up)
-{
-	int k,signal_test;
-
-	pthread_mutex_lock(&servers_lock);
-
-	signal_test=0;
-	/* This obviously isn't very efficient, but nadr should be small
-	   and anything else would introduce considerable overhead */
-	for(k=0;k<nadr;++k) {
-		pdnsd_a *sak= &sa[k];
-		int i,n=DA_NEL(servers);
-		for(i=0;i<n;++i) {
-			servparm_t *sp=&DA_INDEX(servers,i);
-			int j,m=DA_NEL(sp->atup_a);
-			for(j=0;j<m;++j) {
-				atup_t *at=&DA_INDEX(sp->atup_a,j);
-				if(equiv_inaddr2(sak,&at->a)) {
-					if(up>=0) {
-						at->is_up=up;
-						at->i_ts=time(NULL);
-						DEBUG_PDNSDA_MSG("Marked server %s %s.\n",PDNSDA2STR(sak),up?"up":"down");
-					}
-					else if(at->i_ts) {
-						/* A test may take a while, and we don't want to hold
-						   up the calling thread.
-						   Instead we set the timestamp to zero and signal
-						   a condition which should wake up the server test thread.
-						*/
-						at->i_ts=0;
-						signal_test=1;
-					}
-				}
-			}
-		}
-	}
-	if(signal_test) pthread_cond_signal(&server_test_cond);
-
-	pthread_mutex_unlock(&servers_lock);
-}
-
-/* Mark a set of servers up or down or schedule uptests.
- * If i>=0 only the server section with index i is scanned,
- * if i<0 all sections are scanned.
- * Only sections matching label are actually set. A NULL label matches
- * any section.
- * up=1 or up=0 means mark server up or down, up=-1 means retest.
- *
- * A non-zero return value indicates an error.
- */
-int mark_servers(int i, char *label, int up)
-{
-	int retval=0,n,signal_test;
-
-	pthread_mutex_lock(&servers_lock);
-
-	signal_test=0;
-	n=DA_NEL(servers);
-	if(i>=0) {
-		/* just one section */
-		if(i<n) n=i+1;
-	}
-	else {
-		i=0; /* scan all sections */
-	}
-	for(;i<n;++i) {
-		servparm_t *sp=&DA_INDEX(servers,i);
-		if(!label || (sp->label && !strcmp(sp->label,label))) {
-			int j,m=DA_NEL(sp->atup_a);
-
-			/* If a section with undiscovered root servers is marked up, signal a test. */
-			if(m && sp->rootserver>1 && up>0) signal_test=1;
-
-			for(j=0;j<m;++j) {
-				atup_t *at=&DA_INDEX(sp->atup_a,j);
-				if(up>=0) {
-					at->is_up=up;
-					at->i_ts=time(NULL);
-				}
-				else if(at->i_ts) {
-					/* A test may take a while, and we don't want to hold
-					   up the calling thread.
-					   Instead we set the timestamp to zero and signal
-					   a condition which should wake up the server test thread.
-					*/
-					at->i_ts=0;
-					signal_test=1;
-				}
-			}
-		}
-	}
-	if(signal_test) {
-		if(pthread_equal(servstat_thrid,main_thrid))
-			retval=start_servstat_thread();
-		else {
-			retest_flag=1;
-			retval=pthread_cond_signal(&server_test_cond);
-		}
-	}
-
-	pthread_mutex_unlock(&servers_lock);
-	return retval;
-}
-
-/*
- * Test called by the dns query handlers to handle interval=onquery cases.
- */
-void test_onquery()
-{
-	int i,n,signal_test;
-
-	pthread_mutex_lock(&servers_lock);
-	schm[0] = '\0';
-	signal_test=0;
-	n=DA_NEL(servers);
-	for (i=0;i<n;++i) {
-		servparm_t *sp=&DA_INDEX(servers,i);
-		if (sp->interval==-1) {
-			if(sp->rootserver<=1)
-				retest(i,-1);
-			else {
-				/* We leave root-server discovery to the server status thread */
-				int j,m=DA_NEL(sp->atup_a);
-				for(j=0;j<m;++j)
-					DA_INDEX(sp->atup_a,j).i_ts=0;
-				signal_test=1;
-			}
-		}
-	}
-
-	if(signal_test) {
-		int rv;
-		if(pthread_equal(servstat_thrid,main_thrid))
-			start_servstat_thread();
-		else {
-			retest_flag=1;
-			if((rv=pthread_cond_signal(&server_test_cond))) {
-				DEBUG_MSG("test_onquery(): couldn't signal server status thread: %s\n",strerror(rv));
-			}
-		}
-	}
-
-	pthread_mutex_unlock(&servers_lock);
-}
-
-/* non-exclusive lock, for read only access to server data. */
-void lock_server_data()
-{
-	pthread_mutex_lock(&servers_lock);
-	++server_data_users;
-	pthread_mutex_unlock(&servers_lock);
-}
-
-void unlock_server_data()
-{
-	pthread_mutex_lock(&servers_lock);
-	PDNSD_ASSERT(server_data_users>0, "server_data_users non-positive before attempt to decrement it");
-	if (--server_data_users==0) pthread_cond_broadcast(&server_data_cond);
-	pthread_mutex_unlock(&servers_lock);
-}
-
-/* Try to obtain an exclusive lock, needed for modifying server data.
-   Return 1 on success, 0 on failure (time out after tm seconds).
-*/
-int exclusive_lock_server_data(int tm)
-{
-	struct timeval now;
-	struct timespec timeout;
-
-	pthread_mutex_lock(&servers_lock);
-	if(server_status_ping>0 && !pthread_equal(servstat_thrid,main_thrid)) {
-		int err;
-		/* Try to interrupt server status thread to prevent delays. */
-		DEBUG_MSG("Sending server status thread an interrupt signal.\n");
-		if((err=pthread_kill(servstat_thrid,statusintsig))) {
-			DEBUG_MSG("pthread_kill failed: %s\n",strerror(err));
-		}
-	}
-	gettimeofday(&now,NULL);
-	timeout.tv_sec = now.tv_sec + tm;     /* time out after tm seconds */
-	timeout.tv_nsec = now.tv_usec * 1000;
-	while (server_data_users>0) {
-		if(pthread_cond_timedwait(&server_data_cond, &servers_lock, &timeout) == ETIMEDOUT) {
-			pthread_mutex_unlock(&servers_lock);
-			return 0;
-		}
-	}
-	return 1;
-}
-/* Call this to free the lock obtained with exclusive_lock_server_data().
-   If retest is nonzero, the server-status thread is reactivated to check
-   which servers are up. This is useful in case the configuration has changed.
-*/
-void exclusive_unlock_server_data(int retest)
-{
-	if(retest) {
-		if(pthread_equal(servstat_thrid,main_thrid))
-			start_servstat_thread();
-		else
-			pthread_cond_signal(&server_test_cond);
-	}
-	pthread_mutex_unlock(&servers_lock);
-}
-
-/*
-  Change addresses of servers during runtime.
-  i is the number of the server section to change.
-  ar should point to an array of IP addresses (may be NULL).
-  up=1 or up=0 means mark server up or down afterwards,
-  up=-1 means retest.
-
-  A non-zero return value indicates an error.
-*/
-int change_servers(int i, addr_array ar, int up)
-{
-	int retval=0,j,change,signal_test;
-	int n;
-	servparm_t *sp;
-
-	pthread_mutex_lock(&servers_lock);
-
-	signal_test=0;
-	change=0;
-	n=DA_NEL(ar);
-	sp=&DA_INDEX(servers,i);
-	if(n != DA_NEL(sp->atup_a) || sp->rootserver>1)
-		change=1;
-	else {
-		int j;
-		for(j=0;j<n;++j)
-			if(!same_inaddr2(&DA_INDEX(ar,j),&DA_INDEX(sp->atup_a,j).a)) {
-				change=1;
-				break;
-			}
-	}
-	if(change) {
-		/* we need exclusive access to the server data to make the changes */
-		struct timeval now;
-		struct timespec timeout;
-		atup_array ata;
-
-		if(server_status_ping>0 && !pthread_equal(servstat_thrid,main_thrid)) {
-			int err;
-			/* Try to interrupt server status thread to prevent delays. */
-			DEBUG_MSG("Sending server status thread an interrupt signal.\n");
-			if((err=pthread_kill(servstat_thrid,statusintsig))) {
-				DEBUG_MSG("pthread_kill failed: %s\n",strerror(err));
-			}
-		}
-
-		DEBUG_MSG("Changing IPs of server section #%d\n",i);
-		gettimeofday(&now,NULL);
-		timeout.tv_sec = now.tv_sec + 60;     /* time out after 60 seconds */
-		timeout.tv_nsec = now.tv_usec * 1000;
-		while (server_data_users>0) {
-			if(pthread_cond_timedwait(&server_data_cond, &servers_lock, &timeout) == ETIMEDOUT) {
-				retval=ETIMEDOUT;
-				goto unlock_mutex;
-			}
-		}
-
-		ata= DA_CREATE(atup_array, n);
-		if(!ata) {
-			log_warn("Out of memory in change_servers().");
-			retval=ENOMEM;
-			goto unlock_mutex;
-		}
-		da_free(sp->atup_a);
-		sp->atup_a=ata;
-		/* Stop trying to discover rootservers
-		   if we set the addresses using this routine. */
-		if(sp->rootserver>1) sp->rootserver=1;
-	}
-
-	for(j=0; j<n; ++j) {
-		atup_t *at = &DA_INDEX(sp->atup_a,j);
-		if(change) {
-			SET_PDNSD_A2(&at->a, &DA_INDEX(ar,j));
-			at->is_up=sp->preset;
-		}
-		if(up>=0) {
-			at->is_up=up;
-			at->i_ts=time(NULL);
-		}
-		else if(change || at->i_ts) {
-			/* A test may take a while, and we don't want to hold
-			   up the calling thread.
-			   Instead we set the timestamp to zero and signal
-			   a condition which should wake up the server test thread.
-			*/
-			at->i_ts=0;
-			signal_test=1;
-		}
-	}
-
-	if(signal_test) {
-		if(pthread_equal(servstat_thrid,main_thrid))
-			retval=start_servstat_thread();
-		else {
-			retest_flag=1;
-			retval=pthread_cond_signal(&server_test_cond);
-		}
-	}
-
- unlock_mutex:
-	pthread_mutex_unlock(&servers_lock);
-	return retval;
-}
-
-
-/*
-  The signal handler for the signal to tell the server status thread to discontinue testing.
-*/
-static void sigint_handler(int signum)
-{
-	signal_interrupt=1;
-}
diff --git a/app/src/main/jni/pdnsd/src/servers.h b/app/src/main/jni/pdnsd/src/servers.h
deleted file mode 100644
index fd263c0..0000000
--- a/app/src/main/jni/pdnsd/src/servers.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* servers.h - manage a set of dns servers
-
-   Copyright (C) 2000 Thomas Moestl
-   Copyright (C) 2002, 2003, 2004, 2005 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef _SERVERS_H_
-#define _SERVERS_H_
-
-#include <config.h>
-#include "consts.h"
-
-/* Number of ping timeouts before we take a server offline. */
-#define PINGREPEAT 2
-
-extern pthread_t servstat_thrid;
-extern volatile int signal_interrupt;
-
-
-int start_servstat_thread(void);
-void sched_server_test(pdnsd_a *sa, int nadr, int up);
-int mark_servers(int i, char* label, int up);
-void test_onquery(void);
-void lock_server_data();
-void unlock_server_data();
-int exclusive_lock_server_data(int tm);
-void exclusive_unlock_server_data(int retest);
-int change_servers(int i, addr_array ar, int up);
-
-inline static int needs_testing(servparm_t *sp)
-  __attribute__((always_inline));
-inline static int needs_testing(servparm_t *sp)
-{
-  return ((sp->interval>0 || sp->interval==-2) && (sp->uptest!=C_NONE || sp->scheme[0]));
-}
-
-inline static int needs_intermittent_testing(servparm_t *sp)
-  __attribute__((always_inline));
-inline static int needs_intermittent_testing(servparm_t *sp)
-{
-  return (sp->interval>0 && (sp->uptest!=C_NONE || sp->scheme[0]));
-}
-
-inline static int is_interrupted_servstat_thread()
-  __attribute__((always_inline));
-inline static int is_interrupted_servstat_thread()
-{
-  return (signal_interrupt && pthread_equal(pthread_self(),servstat_thrid));
-}
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/sort_namevalues.pl b/app/src/main/jni/pdnsd/src/sort_namevalues.pl
deleted file mode 100644
index 2014f49..0000000
--- a/app/src/main/jni/pdnsd/src/sort_namevalues.pl
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/usr/bin/perl -w
-
-use strict;
-
-my %dic;
-my $maxkeylen=0;
-
-while(<>) {
-    if(/"(\w+)".*?(\w+)/) {
-	my $key=$1; my $val=$2;
-	if($dic{$key}) {die "The key \"$key\" does not have a unique value.\n"}
-	$dic{$key}=$val;
-	if(length($key)>$maxkeylen) {$maxkeylen=length($key)}
-    }
-    else {die "Can't find key-value pair in following line:\n$_\n"}
-}
-
-my $linenr=0;
-foreach my $key (sort(keys %dic)) {
-    if($linenr++) {print ",\n"}
-    printf("\t{%-*s%s}",$maxkeylen+4,"\"$key\",",$dic{$key});
-}
-print "\n";
-
-exit
diff --git a/app/src/main/jni/pdnsd/src/status.c b/app/src/main/jni/pdnsd/src/status.c
deleted file mode 100644
index 4240069..0000000
--- a/app/src/main/jni/pdnsd/src/status.c
+++ /dev/null
@@ -1,824 +0,0 @@
-/* status.c - Allow control of a running server using a socket
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2011 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <stdio.h>
-#include <stdlib.h>
-#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#endif
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/utsname.h>
-#include <errno.h>
-#include <pthread.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
-#include <signal.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <stddef.h>	/* for offsetof */
-#include "ipvers.h"
-#include "status.h"
-#include "thread.h"
-#include "cache.h"
-#include "error.h"
-#include "servers.h"
-#include "dns_answer.h"
-#include "helpers.h"
-#include "conf-parser.h"
-
-#if !defined(HAVE_ALLOCA) && !defined(alloca)
-#define alloca malloc
-#endif
-
-
-char *sock_path=NULL;
-int stat_sock;
-
-
-/* Print an error to the socket */
-static int print_serr(int rs, const char *msg)
-{
-	uint16_t cmd;
-
-	DEBUG_MSG("Sending error message to control socket: '%s'\n",msg);
-	cmd=htons(1);
-	if(write(rs,&cmd,sizeof(cmd))!=sizeof(cmd) ||
-	   write_all(rs,msg,strlen(msg))<0)
-	{
-		DEBUG_MSG("Error writing to control socket: %s\n",strerror(errno));
-		return 0;
-	}
-	return 1;
-}
-
-/* Print a success code to the socket */
-static int print_succ(int rs)
-{
-	uint16_t cmd;
-
-	cmd=htons(0);
-	if(write(rs,&cmd,sizeof(cmd))!=sizeof(cmd)) {
-		DEBUG_MSG("Error writing to control socket: %s\n"
-			  "Failed to send success code.\n",strerror(errno));
-		return 0;
-	}
-	return 1;
-}
-
-/* Read a cmd short */
-static int read_short(int fh, uint16_t *res)
-{
-	uint16_t cmd;
-
-	if (read(fh,&cmd,sizeof(cmd))!=sizeof(cmd)) {
-		/* print_serr(fh,"Bad arg."); */
-		return 0;
-	}
-	*res= ntohs(cmd);
-	return 1;
-}
-
-/* Read a cmd long */
-static int read_long(int fh, uint32_t *res)
-{
-	uint32_t cmd;
-
-	if (read(fh,&cmd,sizeof(cmd))!=sizeof(cmd)) {
-		/* print_serr(fh,"Bad arg."); */
-		return 0;
-	}
-	*res= ntohl(cmd);
-	return 1;
-}
-
-/* Read a string preceded by a char count.
-   A buffer of the right size is allocated to hold the result.
-   A return value of 1 means success,
-   -1 means the result is undefined (*res is set to NULL),
-   0 means read or allocation error.
-*/
-static int read_allocstring(int fh, char **res, unsigned *len)
-{
-	uint16_t count;
-	char *buf;
-	unsigned int nread;
-
-	if(!read_short(fh,&count)) return 0;
-	if(count==(uint16_t)(~0)) {*res=NULL; return -1;}
-	if(!(buf=malloc(count+1))) return 0;
-	nread=0;
-	while(nread<count) {
-		ssize_t m=read(fh,buf+nread,count-nread);
-		if(m<=0) {free(buf); return 0;}
-		nread+=m;
-	}
-	buf[count]=0;
-	*res=buf;
-	if(len) *len=count;
-	return 1;
-}
-
-/* Read a string preceded by a char count.
-   Place it in a buffer of size buflen and terminate with a null char.
-   A return value of 1 means success, -1 means not defined,
-   0 means error (read error, buffer too small).
-*/
-static int read_domain(int fh, char *buf, unsigned int buflen)
-{
-	uint16_t count;
-	unsigned int nread;
-
-	if(!read_short(fh,&count)) return 0;
-	if(count==(uint16_t)(~0)) return -1;
-	if(count >=buflen) return 0;
-	nread=0;
-	while(nread<count) {
-		ssize_t m=read(fh,buf+nread,count-nread);
-		if(m<=0) return 0;
-		nread+=m;
-	}
-	buf[count]=0;
-#if 0
-	if(count==0 || buf[count-1]!='.') {
-		if(count+1>=buflen) return 0;
-		buf[count]='.'; buf[count+1]=0;
-	}
-#endif
-	return 1;
-}
-
-static void *status_thread (void *p)
-{
-	THREAD_SIGINIT;
-	/* (void)p; */  /* To inhibit "unused variable" warning */
-
-	if (!global.strict_suid) {
-		if (!run_as(global.run_as)) {
-			pdnsd_exit();
-		}
-	}
-
-	if (listen(stat_sock,5)==-1) {
-		log_warn("Error: could not listen on socket: %s.\nStatus readback will be impossible",strerror(errno));
-		goto exit_thread;
-	}
-	for(;;) {
-		struct sockaddr_un ra;
-		socklen_t res=sizeof(ra);
-		int rs;
-		if ((rs=accept(stat_sock,(struct sockaddr *)&ra,&res))!=-1) {
-			uint16_t cmd;
-			DEBUG_MSG("Status socket query pending.\n");
-			if (read_short(rs,&cmd)) {
-			    /* Check magic number in command */
-			    if((cmd & 0xff00) == CTL_CMDVERNR) {
-				const char *errmsg;
-				cmd &= 0xff;
-				switch(cmd) {
-				case CTL_STATS: {
-					struct utsname nm;
-					DEBUG_MSG("Received STATUS query.\n");
-					if(!print_succ(rs))
-						break;
-					uname(&nm);
-					if(fsprintf(rs,"pdnsd-%s running on %s.\n",VERSION,nm.nodename)<0 ||
-					   report_cache_stat(rs)<0 ||
-					   report_thread_stat(rs)<0 ||
-					   report_conf_stat(rs)<0)
-					{
-						DEBUG_MSG("Error writing to control socket: %s\n"
-							  "Failed to send status report.\n",strerror(errno));
-					}
-				}
-					break;
-				case CTL_SERVER: {
-					char *label,*dnsaddr;
-					int indx;
-					uint16_t cmd2;
-					DEBUG_MSG("Received SERVER command.\n");
-					if (read_allocstring(rs,&label,NULL)<=0) {
-					    print_serr(rs,"Error reading server label.");
-					    break;
-					}
-					if (!read_short(rs,&cmd2)) {
-					    print_serr(rs,"Missing up|down|retest.");
-					    goto free_label_break;
-					}
-					if(!read_allocstring(rs, &dnsaddr,NULL)) {
-					    print_serr(rs,"Error reading DNS addresses.");
-					    goto free_label_break;
-					}
-					/* Note by Paul Rombouts:
-					   We are about to access server configuration data.
-					   Now that the configuration can be changed during run time,
-					   we should be using locks before accessing server config data, even if it
-					   is read-only access.
-					   However, as long as this is the only thread that calls reload_config_file()
-					   it should be OK to read the server config without locks, but it is
-					   something to keep in mind.
-					*/
-					{
-					    char *endptr;
-					    indx=strtol(label,&endptr,0);
-					    if(!*endptr) {
-						if (indx<0 || indx>=DA_NEL(servers)) {
-						    print_serr(rs,"Server index out of range.");
-						    goto free_dnsaddr_label_break;
-						}
-					    }
-					    else {
-						if (!strcmp(label, "all"))
-						    indx=-2; /* all servers */
-						else
-						    indx=-1; /* compare names */
-					    }
-					}
-					if(cmd2==CTL_S_UP || cmd2==CTL_S_DOWN || cmd2==CTL_S_RETEST) {
-					    if(!dnsaddr) {
-						if (indx==-1) {
-						    int i;
-						    for (i=0;i<DA_NEL(servers);++i) {
-							char *servlabel=DA_INDEX(servers,i).label;
-							if (servlabel && !strcmp(servlabel,label))
-							    goto found_label;
-						    }
-						    print_serr(rs,"Bad server label.");
-						    goto free_dnsaddr_label_break;
-						found_label:;
-						}
-						if(mark_servers(indx,(indx==-1)?label:NULL,(cmd2==CTL_S_RETEST)?-1:(cmd2==CTL_S_UP))==0)
-						    print_succ(rs);
-						else
-						    print_serr(rs,"Could not start up or signal server status thread.");
-					    }
-					    else { /* Change server addresses */
-						if(indx==-2) {
-						    print_serr(rs,"Can't use label \"all\" to change server addresses.");
-						    goto free_dnsaddr_label_break;
-						}
-						if(indx==-1) {
-						    int i;
-						    for(i=0;i<DA_NEL(servers);++i) {
-							char *servlabel=DA_INDEX(servers,i).label;
-							if (servlabel && !strcmp(servlabel,label)) {
-							    if(indx!=-1) {
-								print_serr(rs,"server label must be unique to change server addresses.");
-								goto free_dnsaddr_label_break;
-							    }
-							    indx=i;
-							}
-						    }
-						    if(indx==-1) {
-							print_serr(rs,"Bad server label.");
-							goto free_dnsaddr_label_break;
-						    }
-						}
-						{
-						    char *ipstr,*q=dnsaddr;
-						    addr_array ar=NULL;
-						    pdnsd_a addr;
-						    int err;
-						    for(;;) {
-							for(;;) {
-							    if(!*q) goto change_servs;
-							    if(*q!=',' && !isspace(*q)) break;
-							    ++q;
-							}
-							ipstr=q;
-							for(;;) {
-							    ++q;
-							    if(!*q) break;
-							    if(*q==',' || isspace(*q)) {*q++=0; break; }
-							}
-							if(!str2pdnsd_a(ipstr,&addr)) {
-							    print_serr(rs,"Bad server ip");
-							    goto free_ar;
-							}
-							if(!(ar=DA_GROW1(ar))) {
-							    print_serr(rs,"Out of memory.");
-							    goto free_dnsaddr_label_break;
-							}
-							DA_LAST(ar)=addr;
-						    }
-						change_servs:
-						    err=change_servers(indx,ar,(cmd2==CTL_S_RETEST)?-1:(cmd2==CTL_S_UP));
-						    if(err==0)
-							print_succ(rs);
-						    else
-							print_serr(rs,err==ETIMEDOUT?"Timed out while trying to gain access to server data.":
-								      err==ENOMEM?"Out of memory.":
-								      "Could not start up or signal server status thread.");
-						free_ar:
-						    da_free(ar);
-						}
-					    }
-					}
-					else
-					    print_serr(rs,"Bad command.");
-
-				free_dnsaddr_label_break:
-					free(dnsaddr);
-				free_label_break:
-					free(label);
-				}
-					break;
-				case CTL_RECORD: {
-					uint16_t cmd2;
-					unsigned char name[DNSNAMEBUFSIZE],buf[DNSNAMEBUFSIZE];
-					DEBUG_MSG("Received RECORD command.\n");
-					if (!read_short(rs,&cmd2))
-						goto incomplete_command;
-					if (read_domain(rs, charp buf, sizeof(buf))<=0)
-						goto incomplete_command;
-					if ((errmsg=parsestr2rhn(buf,sizeof(buf),name))!=NULL)
-						goto bad_domain_name;
-					switch (cmd2) {
-					case CTL_R_DELETE:
-						del_cache(name);
-						print_succ(rs);
-						break;
-					case CTL_R_INVAL:
-						invalidate_record(name);
-						print_succ(rs);
-						break;
-					default:
-						print_serr(rs,"Bad command.");
-					}
-				}
-					break;
-				case CTL_SOURCE: {
-					uint32_t ttl;
-					char *fn;
-					uint16_t servaliases,flags;
-					unsigned char buf[DNSNAMEBUFSIZE],owner[DNSNAMEBUFSIZE];
-
-					DEBUG_MSG("Received SOURCE command.\n");
-					if (read_allocstring(rs,&fn,NULL)<=0) {
-						print_serr(rs,"Bad filename name.");
-						break;
-					}
-					if (read_domain(rs, charp buf, sizeof(buf))<=0 ||
-					    !read_long(rs,&ttl) ||
-					    !read_short(rs,&servaliases) ||	/* serve aliases */
-					    !read_short(rs,&flags))		/* caching flags */
-					{
-						print_serr(rs,"Malformed or incomplete command.");
-						goto free_fn;
-					}
-					if ((errmsg=parsestr2rhn(buf,sizeof(buf),owner))!=NULL) {
-						print_serr(rs,errmsg);
-						goto free_fn;
-					}
-					if (ttl < 0) {
-						print_serr(rs, "Bad TTL.");
-						goto free_fn;
-					}
-					if(flags&DF_NEGATIVE) {
-						print_serr(rs, "Bad cache flags.");
-						goto free_fn;
-					}
-					{
-						char *errmsg;
-						if (read_hosts(fn,owner,ttl,flags,servaliases,&errmsg))
-							print_succ(rs);
-						else {
-							print_serr(rs,errmsg?:"Out of memory.");
-							free(errmsg);
-						}
-					}
-				free_fn:
-					free(fn);
-				}
-					break;
-				case CTL_ADD: {
-					uint32_t ttl;
-					unsigned sz;
-					uint16_t tp,flags,nadr=0;
-					unsigned char name[DNSNAMEBUFSIZE],buf[DNSNAMEBUFSIZE],dbuf[2+DNSNAMEBUFSIZE];
-					size_t adrbufsz=0;
-					unsigned char *adrbuf=NULL;
-
-					DEBUG_MSG("Received ADD command.\n");
-					if (!read_short(rs,&tp))
-						goto incomplete_command;
-					if (read_domain(rs, charp buf, sizeof(buf))<=0)
-						goto incomplete_command;
-					if (!read_long(rs,&ttl))
-						goto incomplete_command;
-					if (!read_short(rs,&flags))	/* caching flags */
-						goto incomplete_command;
-					if ((errmsg=parsestr2rhn(buf,sizeof(buf),name))!=NULL)
-						goto bad_domain_name;
-					if (ttl < 0)
-						goto bad_ttl;
-					if(flags&DF_NEGATIVE)
-						goto bad_flags;
-
-					switch (tp) {
-					case T_A:
-						sz=sizeof(struct in_addr);
-    #if ALLOW_LOCAL_AAAA
-						goto read_adress_list;
-					case T_AAAA:
-						sz=sizeof(struct in6_addr);
-					read_adress_list:
-    #endif
-						if (!read_short(rs,&nadr))
-							goto incomplete_command;
-						if (!nadr)
-							goto bad_arg;
-						adrbufsz= nadr * (size_t)sz;
-						adrbuf= malloc(adrbufsz);
-						if(!adrbuf)
-							goto out_of_memory;
-						{
-							size_t nread=0;
-							while(nread<adrbufsz) {
-								ssize_t m=read(rs,adrbuf+nread,adrbufsz-nread);
-								if(m<=0) {free(adrbuf); goto bad_arg;}
-								nread += m;
-							}
-						}
-						break;
-					case T_CNAME:
-					case T_PTR:
-					case T_NS:
-						if (read_domain(rs, charp buf, sizeof(buf))<=0)
-							goto incomplete_command;
-						if ((errmsg=parsestr2rhn(buf,sizeof(buf),dbuf))!=NULL)
-							goto bad_domain_name;
-						sz=rhnlen(dbuf);
-						break;
-					case T_MX:
-						if (read(rs,dbuf,2)!=2)
-							goto bad_arg;
-						if (read_domain(rs, charp buf, sizeof(buf))<=0)
-							goto incomplete_command;
-						if ((errmsg=parsestr2rhn(buf,sizeof(buf),dbuf+2))!=NULL)
-							goto bad_domain_name;
-						sz=rhnlen(dbuf+2)+2;
-						break;
-					default:
-						goto bad_arg;
-					}
-					{
-						dns_cent_t cent;
-
-						if (!init_cent(&cent, name, 0, 0, flags  DBG1)) {
-							free(adrbuf);
-							goto out_of_memory;
-						}
-						if(adrbuf) {
-							unsigned char *adrp; int i;
-							for(adrp=adrbuf,i=0; i<nadr; adrp += sz,++i) {
-								if (!add_cent_rr(&cent,tp,ttl,0,CF_LOCAL,sz,adrp  DBG1)) {
-									free_cent(&cent  DBG1);
-									free(adrbuf);
-									goto out_of_memory;
-								}
-							}
-							free(adrbuf);
-						}
-						else if (!add_cent_rr(&cent,tp,ttl,0,CF_LOCAL,sz,dbuf  DBG1)) {
-							free_cent(&cent  DBG1);
-							goto out_of_memory;
-						}
-
-						if(cent.qname[0]==1 && cent.qname[1]=='*') {
-							/* Wild card record.
-							   Set the DF_WILD flag for the name with '*.' removed. */
-							if(!set_cent_flags(&cent.qname[2],DF_WILD)) {
-								print_serr(rs,
-									   "Before defining records for a name with a wildcard"
-									   " you must first define some records for the name"
-									   " with '*.' removed.");
-								goto cleanup_cent;
-							}
-						}
-
-						add_cache(&cent);
-						print_succ(rs);
-					cleanup_cent:
-						free_cent(&cent  DBG1);
-					}
-				}
-					break;
-				case CTL_NEG: {
-					uint32_t ttl;
-					uint16_t tp;
-					unsigned char name[DNSNAMEBUFSIZE],buf[DNSNAMEBUFSIZE];
-
-					DEBUG_MSG("Received NEG command.\n");
-					if (read_domain(rs, charp buf, sizeof(buf))<=0)
-						goto incomplete_command;
-					if (!read_short(rs,&tp))
-						goto incomplete_command;
-					if (!read_long(rs,&ttl))
-						goto incomplete_command;
-					if ((errmsg=parsestr2rhn(buf,sizeof(buf),name))!=NULL) {
-						DEBUG_MSG("NEG: received bad domain name.\n");
-						goto bad_domain_name;
-					}
-					if (tp!=255 && PDNSD_NOT_CACHED_TYPE(tp)) {
-						DEBUG_MSG("NEG: received bad record type.\n");
-						print_serr(rs,"Bad record type.");
-						break;
-					}
-					if (ttl < 0)
-						goto bad_ttl;
-					{
-						dns_cent_t cent;
-
-						if (tp==255) {
-							if (!init_cent(&cent, name, ttl, 0, DF_LOCAL|DF_NEGATIVE  DBG1))
-								goto out_of_memory;
-						} else {
-							if (!init_cent(&cent, name, 0, 0, 0  DBG1))
-								goto out_of_memory;
-							if (!add_cent_rrset_by_type(&cent,tp,ttl,0,CF_LOCAL|CF_NEGATIVE  DBG1)) {
-								free_cent(&cent  DBG1);
-								goto out_of_memory;
-							}
-						}
-						add_cache(&cent);
-						free_cent(&cent DBG1);
-					}
-					print_succ(rs);
-				}
-					break;
-				case CTL_CONFIG: {
-					char *fn,*errmsg;
-					DEBUG_MSG("Received CONFIG command.\n");
-					if (!read_allocstring(rs,&fn,NULL)) {
-						print_serr(rs,"Bad filename name.");
-						break;
-					}
-					if (reload_config_file(fn,&errmsg))
-						print_succ(rs);
-					else {
-						print_serr(rs,errmsg?:"Out of memory.");
-						free(errmsg);
-					}
-					free(fn);
-				}
-					break;
-				case CTL_INCLUDE: {
-					char *fn,*errmsg;
-					DEBUG_MSG("Received INCLUDE command.\n");
-					if (read_allocstring(rs,&fn,NULL)<=0) {
-						print_serr(rs,"Bad filename name.");
-						break;
-					}
-					if (read_config_file(fn,NULL,NULL,0,&errmsg))
-						print_succ(rs);
-					else {
-						print_serr(rs,errmsg?:"Out of memory.");
-						free(errmsg);
-					}
-					free(fn);
-				}
-					break;
-				case CTL_EVAL: {
-					char *str,*errmsg;
-					DEBUG_MSG("Received EVAL command.\n");
-					if (!read_allocstring(rs,&str,NULL)) {
-						print_serr(rs,"Bad input string.");
-						break;
-					}
-					if (confparse(NULL,str,NULL,NULL,0,&errmsg))
-						print_succ(rs);
-					else {
-						print_serr(rs,errmsg?:"Out of memory.");
-						free(errmsg);
-					}
-					free(str);
-				}
-					break;
-				case CTL_EMPTY: {
-					slist_array sla=NULL;
-					char *names; unsigned len;
-
-					DEBUG_MSG("Received EMPTY command.\n");
-					if (!read_allocstring(rs,&names,&len)) {
-						print_serr(rs,"Bad arguments.");
-						break;
-					}
-					if(names) {
-						char *p=names, *last=names+len;
-
-						while(p<last) {
-							int tp;
-							char *q;
-							slist_t *sl;
-							unsigned sz;
-							unsigned char rhn[DNSNAMEBUFSIZE];
-
-							if(*p=='-') {
-								tp=C_EXCLUDED;
-								++p;
-							}
-							else {
-								tp=C_INCLUDED;
-								if(*p=='+') ++p;
-							}
-							/* skip a possible leading dot. */
-							if(p+1<last && *p=='.' && *(p+1)) ++p;
-							q=p;
-							while(q<last && *q) ++q;
-							if ((errmsg=parsestr2rhn(ucharp p,q-p,rhn))!=NULL) {
-								DEBUG_MSG("EMPTY: received bad domain name: %s\n",p);
-								print_serr(rs,errmsg);
-								goto free_sla_names_break;
-							}
-							sz=rhnlen(rhn);
-							if (!(sla=DA_GROW1_F(sla,free_slist_domain))) {
-								print_serr(rs,"Out of memory.");
-								goto free_names_break;
-							}
-							sl=&DA_LAST(sla);
-
-							if (!(sl->domain=malloc(sz))) {
-								print_serr(rs,"Out of memory.");
-								goto free_sla_names_break;
-							}
-							memcpy(sl->domain,rhn,sz);
-							sl->exact=0;
-							sl->rule=tp;
-							p = q+1;
-						}
-					}
-					if(empty_cache(sla))
-						print_succ(rs);
-					else
-						print_serr(rs,"Could not lock the cache.");
-				free_sla_names_break:
-					free_slist_array(sla);
-				free_names_break:
-					free(names);
-				}
-					break;
-				case CTL_DUMP: {
-					int rv,exact=0;
-					unsigned char *nm=NULL;
-					char buf[DNSNAMEBUFSIZE];
-					unsigned char rhn[DNSNAMEBUFSIZE];
-					DEBUG_MSG("Received DUMP command.\n");
-					if (!(rv=read_domain(rs,buf,sizeof(buf)))) {
-						print_serr(rs,"Bad domain name.");
-						break;
-					}
-					if(rv>0) {
-						int sz;
-						exact=1; nm= ucharp buf; sz=sizeof(buf);
-						if(buf[0]=='.' && buf[1]) {
-							exact=0; ++nm; --sz;
-						}
-						if ((errmsg=parsestr2rhn(nm,sz,rhn))!=NULL)
-							goto bad_domain_name;
-						nm=rhn;
-					}
-					if(!print_succ(rs))
-						break;
-					if((rv=dump_cache(rs,nm,exact))<0 ||
-					   (!rv && fsprintf(rs,"Could not find %s%s in the cache.\n",
-							    exact?"":nm?"any entries matching ":"any entries",
-							    nm?buf:"")<0))
-					{
-						DEBUG_MSG("Error writing to control socket: %s\n",strerror(errno));
-					}
-				}
-					break;
-				incomplete_command:
-					print_serr(rs,"Malformed or incomplete command.");
-					break;
-				bad_arg:
-					print_serr(rs,"Bad arg.");
-					break;
-				bad_domain_name:
-					print_serr(rs,errmsg);
-					break;
-				bad_ttl:
-					print_serr(rs, "Bad TTL.");
-					break;
-				bad_flags:
-					print_serr(rs, "Bad cache flags.");
-					break;
-				out_of_memory:
-					print_serr(rs,"Out of memory.");
-					break;
-				default:
-					print_serr(rs,"Unknown command.");
-				}
-			    }
-			    else {
-				    DEBUG_MSG("Incorrect magic number in status-socket command code: %02x\n",cmd>>8);
-				    print_serr(rs,"Command code contains incompatible version number.");
-			    }
-			}
-			else {
-				DEBUG_MSG("short status-socket query\n");
-				print_serr(rs,"Command code missing or too short.");
-			}
-			close(rs);
-			usleep_r(100000); /* sleep some time. I do not want the query frequency to be too high. */
-		}
-		else if (errno!=EINTR) {
-			log_warn("Failed to accept connection on status socket: %s. "
-				 "Status readback will be impossible",strerror(errno));
-			break;
-		}
-	}
-
- exit_thread:
-	stat_pipe=0;
-	close(stat_sock);
-	statsock_thrid=main_thrid;
-
-	return NULL;
-}
-
-/*
- * Initialize the status socket
- */
-void init_stat_sock()
-{
-	struct sockaddr_un *sa;
-	/* Should I include the terminating null byte in the calculation of the length parameter
-	   for the socket address? The glibc info page "Details of Local Namespace" tells me I should not,
-	   yet it is immediately followed by an example that contradicts that.
-	   The SUN_LEN macro seems to be defined as
-	   (offsetof(struct sockaddr_un, sun_path) + strlen(sa->sun_path)),
-	   so I conclude it is not necessary to count the null byte, but it probably makes no
-	   difference if you do.
-	*/
-	unsigned int sa_len = (offsetof(struct sockaddr_un, sun_path) + strlitlen("/pdnsd.status") + strlen(global.cache_dir));
-
-	sa=(struct sockaddr_un *)alloca(sa_len+1);
-	stpcpy(stpcpy(sa->sun_path,global.cache_dir),"/pdnsd.status");
-
-	if (unlink(sa->sun_path)!=0 && errno!=ENOENT) { /* Delete the socket */
-		log_warn("Failed to unlink %s: %s.\nStatus readback will be disabled",sa->sun_path, strerror(errno));
-		stat_pipe=0;
-		return;
-	}
-	if ((stat_sock=socket(PF_UNIX,SOCK_STREAM,0))==-1) {
-		log_warn("Failed to open socket: %s. Status readback will be impossible",strerror(errno));
-		stat_pipe=0;
-		return;
-	}
-	sa->sun_family=AF_UNIX;
-#ifdef BSD44_SOCKA
-	sa->sun_len=SUN_LEN(sa);
-#endif
-	/* Early initialization, so that umask can be used race-free. */
-	{
-		mode_t old_mask = umask((S_IRWXU|S_IRWXG|S_IRWXO)&(~global.ctl_perms));
-		if (bind(stat_sock,(struct sockaddr *)sa,sa_len)==-1) {
-			log_warn("Error: could not bind socket: %s.\nStatus readback will be impossible",strerror(errno));
-			close(stat_sock);
-			stat_pipe=0;
-		}
-		umask(old_mask);
-	}
-
-	if(stat_pipe) sock_path= strdup(sa->sun_path);
-}
-
-/*
- * Start the status socket thread (see above)
- */
-int start_stat_sock()
-{
-	pthread_t st;
-
-	int rv=pthread_create(&st,&attr_detached,status_thread,NULL);
-	if (rv)
-		log_warn("Failed to start status thread. The status socket will be unuseable");
-	else {
-		statsock_thrid=st;
-		log_info(2,"Status thread started.");
-	}
-	return rv;
-}
diff --git a/app/src/main/jni/pdnsd/src/status.h b/app/src/main/jni/pdnsd/src/status.h
deleted file mode 100644
index 1d249f7..0000000
--- a/app/src/main/jni/pdnsd/src/status.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/* status.h - Make server status information accessible through a named pipe
-
-   Copyright (C) 2000, 2001 Thomas Moestl
-   Copyright (C) 2002, 2004, 2008, 2009 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef _STATUS_H_
-#define _STATUS_H_
-
-#include <config.h>
-#include "conff.h"
-
-extern char *sock_path;
-extern int stat_sock;
-
-/* The commands for pdnsd-ctl */
-#define CTL_CMDVERNR 0x6800  /* pdnsd-ctl command version (magic number used to check compatibility) */
-
-#define CTL_MIN      1
-#define CTL_STATS    1 /* Give out stats (like the "traditional" status pipe) */
-#define CTL_SERVER   2 /* Enable or disable a server */
-#define CTL_RECORD   3 /* Delete or invalidate records */
-#define CTL_SOURCE   4 /* Read a hosts-style file */
-#define CTL_ADD      5 /* Add a record of the given type */
-#define CTL_NEG      6 /* Add a negative cached record */
-#define CTL_CONFIG   7 /* Re-read config file */
-#define CTL_INCLUDE  8 /* Read file as config file, disregarding global and server sections */
-#define CTL_EVAL     9 /* Parse string as if part of config file */
-#define CTL_EMPTY   10 /* Empty the cache */
-#define CTL_DUMP    11 /* Dump cache contents */
-#define CTL_MAX     11
-
-#define CTL_S_UP     1
-#define CTL_S_DOWN   2
-#define CTL_S_RETEST 3
-#define CTL_R_DELETE 1
-#define CTL_R_INVAL  2
-
-void init_stat_sock(void);
-int start_stat_sock(void);
-
-#endif
diff --git a/app/src/main/jni/pdnsd/src/test/Makefile.am b/app/src/main/jni/pdnsd/src/test/Makefile.am
deleted file mode 100644
index 81da088..0000000
--- a/app/src/main/jni/pdnsd/src/test/Makefile.am
+++ /dev/null
@@ -1,35 +0,0 @@
-
-.PHONY: all clean distclean
-
-noinst_PROGRAMS = if_up is_local_addr tping random
-
-## Dirty trick:  I demand that these objects be built; then, with the knowledge
-## that the object files will end up here, I redefine the link chain. 
-
-TESTADDSRC=
-#TESTADDSRC= netdev.c error.c thread.c helpers.c icmp.c
-TESTDEPS = netdev.o error.o thread.o helpers.o icmp.o
-
-TESTOBJS = netdev.o error.o thread.o helpers.o icmp.o
-
-if_up_SOURCES = if_up.c $(TESTADDSRC)
-if_up_LDADD =  $(TESTOBJS) @thread_CFLAGS@
-if_up_DEPENDENCIES = $(TESTDEPS)
-
-is_local_addr_SOURCES = is_local_addr.c $(TESTADDSRC)
-is_local_addr_LDADD = $(TESTOBJS) @thread_CFLAGS@
-is_local_addr_DEPENDENCIES = $(TESTDEPS)
-
-tping_SOURCES = tping.c $(TESTADDSRC)
-tping_LDADD = $(TESTOBJS) @thread_CFLAGS@
-tping_DEPENDENCIES = $(TESTDEPS)
-
-random_SOURCES = random.c $(TESTADDSRC)
-random_LDADD = $(TESTOBJS) @thread_CFLAGS@
-random_DEPENDENCIES = $(TESTDEPS)
-
-# These are Symlinks we want to have in the package
-#EXTRA_DIST = conff.h error.h helpers.h icmp.h ipvers.h netdev.h thread.h cacheing
-
-$(TESTOBJS): %.o: ../%.c
-	$(COMPILE) @thread_CFLAGS@ -c $<
diff --git a/app/src/main/jni/pdnsd/src/test/Makefile.in b/app/src/main/jni/pdnsd/src/test/Makefile.in
deleted file mode 100644
index 2ad8641..0000000
--- a/app/src/main/jni/pdnsd/src/test/Makefile.in
+++ /dev/null
@@ -1,464 +0,0 @@
-# Makefile.in generated by automake 1.11.1 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
-# Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-VPATH = @srcdir@
-pkgdatadir = $(datadir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
-INSTALL_HEADER = $(INSTALL_DATA)
-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-noinst_PROGRAMS = if_up$(EXEEXT) is_local_addr$(EXEEXT) tping$(EXEEXT) \
-	random$(EXEEXT)
-subdir = src/test
-DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
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-am__aclocal_m4_deps = $(top_srcdir)/configure.in
-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
-	$(ACLOCAL_M4)
-mkinstalldirs = $(install_sh) -d
-CONFIG_HEADER = $(top_builddir)/config.h
-CONFIG_CLEAN_FILES =
-CONFIG_CLEAN_VPATH_FILES =
-PROGRAMS = $(noinst_PROGRAMS)
-am__objects_1 =
-am_if_up_OBJECTS = if_up.$(OBJEXT) $(am__objects_1)
-if_up_OBJECTS = $(am_if_up_OBJECTS)
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-is_local_addr_OBJECTS = $(am_is_local_addr_OBJECTS)
-am_random_OBJECTS = random.$(OBJEXT) $(am__objects_1)
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-am_tping_OBJECTS = tping.$(OBJEXT) $(am__objects_1)
-tping_OBJECTS = $(am_tping_OBJECTS)
-DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
-depcomp = $(SHELL) $(top_srcdir)/depcomp
-am__depfiles_maybe = depfiles
-am__mv = mv -f
-COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
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-	$(random_SOURCES) $(tping_SOURCES)
-ETAGS = etags
-CTAGS = ctags
-DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
-ACLOCAL = @ACLOCAL@
-ALLOCA = @ALLOCA@
-AMTAR = @AMTAR@
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-GREP = @GREP@
-INSTALL = @INSTALL@
-INSTALL_DATA = @INSTALL_DATA@
-INSTALL_PROGRAM = @INSTALL_PROGRAM@
-INSTALL_SCRIPT = @INSTALL_SCRIPT@
-INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
-LDFLAGS = @LDFLAGS@
-LIBOBJS = @LIBOBJS@
-LIBS = @LIBS@
-LTLIBOBJS = @LTLIBOBJS@
-MAKEINFO = @MAKEINFO@
-MKDIR_P = @MKDIR_P@
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-PACKAGE = @PACKAGE@
-PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
-PACKAGE_NAME = @PACKAGE_NAME@
-PACKAGE_STRING = @PACKAGE_STRING@
-PACKAGE_TARNAME = @PACKAGE_TARNAME@
-PACKAGE_VERSION = @PACKAGE_VERSION@
-PATH_SEPARATOR = @PATH_SEPARATOR@
-RANLIB = @RANLIB@
-SET_MAKE = @SET_MAKE@
-SHELL = @SHELL@
-STRIP = @STRIP@
-VERSION = @VERSION@
-abs_builddir = @abs_builddir@
-abs_srcdir = @abs_srcdir@
-abs_top_builddir = @abs_top_builddir@
-abs_top_srcdir = @abs_top_srcdir@
-ac_ct_CC = @ac_ct_CC@
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-am__leading_dot = @am__leading_dot@
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-host_alias = @host_alias@
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-sharedstatedir = @sharedstatedir@
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-thread_CFLAGS = @thread_CFLAGS@
-threadlib = @threadlib@
-top_build_prefix = @top_build_prefix@
-top_builddir = @top_builddir@
-top_srcdir = @top_srcdir@
-TESTADDSRC = 
-#TESTADDSRC= netdev.c error.c thread.c helpers.c icmp.c
-TESTDEPS = netdev.o error.o thread.o helpers.o icmp.o
-TESTOBJS = netdev.o error.o thread.o helpers.o icmp.o
-if_up_SOURCES = if_up.c $(TESTADDSRC)
-if_up_LDADD = $(TESTOBJS) @thread_CFLAGS@
-if_up_DEPENDENCIES = $(TESTDEPS)
-is_local_addr_SOURCES = is_local_addr.c $(TESTADDSRC)
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-tping_SOURCES = tping.c $(TESTADDSRC)
-tping_LDADD = $(TESTOBJS) @thread_CFLAGS@
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-			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
-			   sort -u` ;; \
-	esac; \
-	for file in $$dist_files; do \
-	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
-	  if test -d $$d/$$file; then \
-	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
-	    if test -d "$(distdir)/$$file"; then \
-	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
-	    fi; \
-	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
-	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
-	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
-	    fi; \
-	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
-	  else \
-	    test -f "$(distdir)/$$file" \
-	    || cp -p $$d/$$file "$(distdir)/$$file" \
-	    || exit 1; \
-	  fi; \
-	done
-check-am: all-am
-check: check-am
-all-am: Makefile $(PROGRAMS)
-installdirs:
-install: install-am
-install-exec: install-exec-am
-install-data: install-data-am
-uninstall: uninstall-am
-
-install-am: all-am
-	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
-
-installcheck: installcheck-am
-install-strip:
-	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	  `test -z '$(STRIP)' || \
-	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
-mostlyclean-generic:
-
-clean-generic:
-
-distclean-generic:
-	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
-
-maintainer-clean-generic:
-	@echo "This command is intended for maintainers to use"
-	@echo "it deletes files that may require special tools to rebuild."
-clean: clean-am
-
-clean-am: clean-generic clean-noinstPROGRAMS mostlyclean-am
-
-distclean: distclean-am
-	-rm -rf ./$(DEPDIR)
-	-rm -f Makefile
-distclean-am: clean-am distclean-compile distclean-generic \
-	distclean-tags
-
-dvi: dvi-am
-
-dvi-am:
-
-html: html-am
-
-html-am:
-
-info: info-am
-
-info-am:
-
-install-data-am:
-
-install-dvi: install-dvi-am
-
-install-dvi-am:
-
-install-exec-am:
-
-install-html: install-html-am
-
-install-html-am:
-
-install-info: install-info-am
-
-install-info-am:
-
-install-man:
-
-install-pdf: install-pdf-am
-
-install-pdf-am:
-
-install-ps: install-ps-am
-
-install-ps-am:
-
-installcheck-am:
-
-maintainer-clean: maintainer-clean-am
-	-rm -rf ./$(DEPDIR)
-	-rm -f Makefile
-maintainer-clean-am: distclean-am maintainer-clean-generic
-
-mostlyclean: mostlyclean-am
-
-mostlyclean-am: mostlyclean-compile mostlyclean-generic
-
-pdf: pdf-am
-
-pdf-am:
-
-ps: ps-am
-
-ps-am:
-
-uninstall-am:
-
-.MAKE: install-am install-strip
-
-.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
-	clean-noinstPROGRAMS ctags distclean distclean-compile \
-	distclean-generic distclean-tags distdir dvi dvi-am html \
-	html-am info info-am install install-am install-data \
-	install-data-am install-dvi install-dvi-am install-exec \
-	install-exec-am install-html install-html-am install-info \
-	install-info-am install-man install-pdf install-pdf-am \
-	install-ps install-ps-am install-strip installcheck \
-	installcheck-am installdirs maintainer-clean \
-	maintainer-clean-generic mostlyclean mostlyclean-compile \
-	mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \
-	uninstall-am
-
-
-.PHONY: all clean distclean
-
-# These are Symlinks we want to have in the package
-#EXTRA_DIST = conff.h error.h helpers.h icmp.h ipvers.h netdev.h thread.h cacheing
-
-$(TESTOBJS): %.o: ../%.c
-	$(COMPILE) @thread_CFLAGS@ -c $<
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/app/src/main/jni/pdnsd/src/test/if_up.c b/app/src/main/jni/pdnsd/src/test/if_up.c
deleted file mode 100644
index af6ec97..0000000
--- a/app/src/main/jni/pdnsd/src/test/if_up.c
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <config.h>
-#include <pthread.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include "../helpers.h"
-#include "../conff.h"
-#include "../netdev.h"
-
-short int daemon_p=0;
-#if DEBUG>0
-short int debug_p=0;
-#endif
-short int verbosity=VERBOSITY;
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-short int run_ipv4=DEFAULT_IPV4;
-#endif
-#ifdef ENABLE_IPV6
-struct in6_addr ipv4_6_prefix;
-#endif
-pthread_t main_thrid,servstat_thrid;
-volatile int signal_interrupt;
-#if DEBUG>0
-FILE *dbg_file;
-#endif
-globparm_t global;
-
-
-int main(int argc, char *argv[])
-{
-	if (argc!=2) {
-		printf("Usage: %s <interface>\n",argv[0]);
-		exit(1);
-	}
-	printf("if_up: %s - %s\n",argv[1],if_up(argv[1])?"up":"down");
-	return 0;
-}
diff --git a/app/src/main/jni/pdnsd/src/test/is_local_addr.c b/app/src/main/jni/pdnsd/src/test/is_local_addr.c
deleted file mode 100644
index fda517d..0000000
--- a/app/src/main/jni/pdnsd/src/test/is_local_addr.c
+++ /dev/null
@@ -1,57 +0,0 @@
-#include <config.h>
-#include <pthread.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include "../helpers.h"
-#include "../conff.h"
-#include "../netdev.h"
-#include "../ipvers.h"
-
-short int daemon_p=0;
-#if DEBUG>0
-short int debug_p=0;
-#endif
-short int verbosity=VERBOSITY;
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-short int run_ipv4=DEFAULT_IPV4;
-#endif
-#ifdef ENABLE_IPV6
-struct in6_addr ipv4_6_prefix;
-#endif
-pthread_t main_thrid,servstat_thrid;
-volatile int signal_interrupt;
-#if DEBUG>0
-FILE *dbg_file;
-#endif
-globparm_t global;
-
-
-int main(int argc, char *argv[])
-{
-	pdnsd_a a;
-
-	if (argc!=2) {
-		printf("Usage: %s <address>\n",argv[0]);
-		exit(1);
-	}
-#ifdef ENABLE_IPV4
-	if (inet_aton(argv[1],&a.ipv4)) {
-# ifdef ENABLE_IPV6
-		run_ipv4=1;
-# endif
-		printf("is %s a local addr: %s\n",argv[1],is_local_addr(&a)?"yes":"no");
-		return 0;
-	}
-#endif
-#ifdef ENABLE_IPV6
-	if (inet_pton(AF_INET6,argv[1],&a.ipv6)) {
-# ifdef ENABLE_IPV4
-		run_ipv4=0;
-# endif
-		printf("is %s a local addr: %s\n",argv[1],is_local_addr(&a)?"yes":"no");
-		return 0;
-	}
-#endif
-	printf("Adress invalid.\n");
-	return 0;
-}
diff --git a/app/src/main/jni/pdnsd/src/test/random.c b/app/src/main/jni/pdnsd/src/test/random.c
deleted file mode 100644
index a447e80..0000000
--- a/app/src/main/jni/pdnsd/src/test/random.c
+++ /dev/null
@@ -1,33 +0,0 @@
-#include <config.h>
-#include <stdio.h>
-#include <pthread.h>
-#include <string.h>
-#include "../helpers.h"
-#include "../conff.h"
-
-short int daemon_p=0;
-#if DEBUG>0
-short int debug_p=0;
-#endif
-short int verbosity=VERBOSITY;
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-short int run_ipv4=DEFAULT_IPV4;
-#endif
-#ifdef ENABLE_IPV6
-struct in6_addr ipv4_6_prefix;
-#endif
-pthread_t main_thrid,servstat_thrid;
-volatile int signal_interrupt;
-#if DEBUG>0
-FILE *dbg_file;
-#endif
-globparm_t global;
-
-
-int main(void)
-{
-	init_rng();
-	printf("%i\n",(int)get_rand16());
-	free_rng();
-	return 0;
-}
diff --git a/app/src/main/jni/pdnsd/src/test/tping.c b/app/src/main/jni/pdnsd/src/test/tping.c
deleted file mode 100644
index 734a25f..0000000
--- a/app/src/main/jni/pdnsd/src/test/tping.c
+++ /dev/null
@@ -1,59 +0,0 @@
-#include <config.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <pthread.h>
-#include "../helpers.h"
-#include "../conff.h"
-#include "../icmp.h"
-#include "../ipvers.h"
-
-short int daemon_p=0;
-#if DEBUG>0
-short int debug_p=0;
-#endif
-short int verbosity=VERBOSITY;
-#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
-short int run_ipv4=DEFAULT_IPV4;
-#endif
-#ifdef ENABLE_IPV6
-struct in6_addr ipv4_6_prefix;
-#endif
-pthread_t main_thrid,servstat_thrid;
-volatile int signal_interrupt;
-#if DEBUG>0
-FILE *dbg_file;
-#endif
-globparm_t global;
-
-
-int main(int argc, char *argv[])
-{
-	pdnsd_a a;
-
-	if (argc!=2) {
-		printf("Usage: %s <address>\n",argv[0]);
-		exit(1);
-	}
-#ifdef ENABLE_IPV4
-	if (inet_aton(argv[1],&a.ipv4)) {
-# ifdef ENABLE_IPV6
-		run_ipv4=1;
-# endif
-		init_ping_socket();
-		printf("ping (v4) echo from %s: %i\n",argv[1],ping(&a,100,2));
-		return 0;
-	}
-#endif
-#ifdef ENABLE_IPV6
-	if (inet_pton(AF_INET6,argv[1],&a.ipv6)) {
-# ifdef ENABLE_IPV4
-		run_ipv4=0;
-# endif
-		init_ping_socket();
-		printf("ping (v6) echo from %s: %i\n",argv[1],ping(&a,100,2));
-		return 0;
-	}
-#endif
-	printf("Adress invalid.\n");
-	return 0;
-}
diff --git a/app/src/main/jni/pdnsd/src/thread.c b/app/src/main/jni/pdnsd/src/thread.c
deleted file mode 100644
index 84c34f6..0000000
--- a/app/src/main/jni/pdnsd/src/thread.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* thread.c - Threading helpers
-
-   Copyright (C) 2000 Thomas Moestl
-   Copyright (C) 2002, 2003 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-#include <config.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <pthread.h>
-#include <signal.h>
-#include <string.h>
-#include "thread.h"
-#include "error.h"
-#include "helpers.h"
-#include "conff.h"
-
-
-#if (TARGET==TARGET_LINUX) && !defined(THREADLIB_NPTL)
-volatile short int waiting=0; /* Has the main thread already done sigwait() ? */
-#endif
-pthread_attr_t attr_detached;
-#if DEBUG>0
-pthread_key_t thrid_key;
-#endif
-
-/* This is a handler for signals to the threads. We just hand the sigs on to the main thread.
- * Note that this may result in blocked locks. We have no means to open the locks here, because in LinuxThreads
- * the mutex functions are not async-signal safe. So, locks may still be active. We account for this by using
- * softlocks (see below) in any functions called after sigwait from main(). */
-#if (TARGET==TARGET_LINUX) && !defined(THREADLIB_NPTL)
-void thread_sig(int sig)
-{
-	if (sig==SIGTSTP || sig==SIGTTOU || sig==SIGTTIN) {
-		/* nonfatal signal. Ignore, because proper handling is very difficult. */
-		return;
-	}
-	if (waiting) {
-		log_warn("Caught signal %i.",sig);
-		if (sig==SIGSEGV || sig==SIGILL || sig==SIGBUS)
-			crash_msg("A fatal signal occured.");
-		pthread_kill(main_thrid,SIGTERM);
-		pthread_exit(NULL);
-	} else {
-		crash_msg("An error occured at startup.");
-		_exit(1);
-	}
-}
-#endif
-
-/* This is now defined as an inline function in thread.h */
-#if 0
-void usleep_r(unsigned long usec)
-{
-#if ((TARGET==TARGET_LINUX) || (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)) && defined(HAVE_USLEEP)
-	usleep(usec);
-#else
-	struct timeval tv;
-
-	tv.tv_sec=usec/1000000;
-	tv.tv_usec=usec%1000000;
-	select(0, NULL, NULL, NULL, tv);
-#endif
-}
-#endif
-
diff --git a/app/src/main/jni/pdnsd/src/thread.h b/app/src/main/jni/pdnsd/src/thread.h
deleted file mode 100644
index 12d17dd..0000000
--- a/app/src/main/jni/pdnsd/src/thread.h
+++ /dev/null
@@ -1,143 +0,0 @@
-/* thread.h - Threading helpers
-
-   Copyright (C) 2000 Thomas Moestl
-   Copyright (C) 2002, 2003, 2005 Paul A. Rombouts
-
-  This file is part of the pdnsd package.
-
-  pdnsd is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 3 of the License, or
-  (at your option) any later version.
-
-  pdnsd is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with pdnsd; see the file COPYING. If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef _THREAD_H_
-#define _THREAD_H_
-
-#include <config.h>
-#include <pthread.h>
-#include <signal.h>
-
-/* --- from main.c */
-extern sigset_t sigs_msk;
-/* --- */
-
-#if (TARGET==TARGET_LINUX) && !defined(THREADLIB_NPTL)
-extern volatile short int waiting;
-void thread_sig(int sig);
-#endif
-
-/* These are macros for setting up the signal handling of a new thread. They
- * are needed because the LinuxThreads implementation obviously has some
- * problems in signal handling, which makes the recommended solution (doing
- * sigwait() in one thread and blocking the signals in all threads) impossible.
- * So, for Linux, we have to install the fatal_sig handler.
- * It seems to me that signal handlers in fact aren't shared between threads
- * under Linux. Also, sigwait() does not seem to work as indicated in the docs */
-
-/* Note added by Paul Rombouts: In the new Native POSIX Thread Library for Linux (NPTL)
-   signal handling has changed from per-thread signal handling to POSIX process signal handling,
-   which makes the recommended solution mentioned by Thomas Moestl possible.
-   In this case I can simply define THREAD_SIGINIT to be empty.
-   The signals are blocked in main() before any threads are created,
-   and we simply never unblock them except by calling sigwait() in main(). */
-
-#if (TARGET==TARGET_LINUX)
-# ifdef THREADLIB_NPTL
-# define THREAD_SIGINIT
-# else
-#  ifdef THREADLIB_LINUXTHREADS2
-#  define THREAD_SIGINIT   {				\
-	struct sigaction action;			\
-	pthread_sigmask(SIG_UNBLOCK,&sigs_msk,NULL);	\
-	action.sa_handler = thread_sig;			\
-	action.sa_mask = sigs_msk;			\
-	action.sa_flags = 0;				\
-	sigaction(SIGINT,&action,NULL);			\
-	sigaction(SIGILL,&action,NULL);			\
-	sigaction(SIGABRT,&action,NULL);		\
-	sigaction(SIGFPE,&action,NULL);			\
-	sigaction(SIGSEGV,&action,NULL);		\
-	sigaction(SIGTSTP,&action,NULL);		\
-	sigaction(SIGTTOU,&action,NULL);		\
-	sigaction(SIGTTIN,&action,NULL);		\
-	sigaction(SIGTERM,&action,NULL);		\
-	action.sa_handler = SIG_IGN;			\
-	sigemptyset(&action.sa_mask);			\
-	action.sa_flags = 0;				\
-	sigaction(SIGPIPE,&action,NULL);		\
-   }
-#  else
-#  define THREAD_SIGINIT   {				\
-	struct sigaction action;			\
-	pthread_sigmask(SIG_UNBLOCK,&sigs_msk,NULL);	\
-	action.sa_handler = thread_sig;			\
-	action.sa_mask = sigs_msk;			\
-	action.sa_flags = 0;				\
-	sigaction(SIGILL,&action,NULL);			\
-	sigaction(SIGABRT,&action,NULL);		\
-	sigaction(SIGFPE,&action,NULL);			\
-	sigaction(SIGSEGV,&action,NULL);		\
-	sigaction(SIGTSTP,&action,NULL);		\
-	sigaction(SIGTTOU,&action,NULL);		\
-	sigaction(SIGTTIN,&action,NULL);		\
-	action.sa_handler = SIG_IGN;			\
-	sigemptyset(&action.sa_mask);			\
-	action.sa_flags = 0;				\
-	sigaction(SIGPIPE,&action,NULL);		\
-   }
-#  endif
-# endif
-#elif (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)
-#define THREAD_SIGINIT pthread_sigmask(SIG_BLOCK,&sigs_msk,NULL)
-#else
-# error Unsupported platform!
-#endif
-
-
-/* This is a thread-safe usleep().
-   Implementation of the BSD usleep function using nanosleep.
-*/
-inline static int usleep_r(unsigned long useconds)
-  __attribute__((always_inline));
-inline static int usleep_r(unsigned long useconds)
-{
-  struct timespec ts = { tv_sec: (useconds / 1000000),
-			 tv_nsec: (useconds % 1000000) * 1000ul };
-
-  return nanosleep(&ts, NULL);
-}
-
-/* This is a thread-safe sleep().
-   The semantics are somewhat different from the POSIX sleep function,
-   but it suits our purposes.
-*/
-inline static int sleep_r (unsigned int seconds)
-  __attribute__((always_inline));
-inline static int sleep_r (unsigned int seconds)
-{
-  struct timespec ts = { tv_sec: seconds, tv_nsec: 0 };
-
-  return nanosleep(&ts, NULL);
-}
-
-
-/* Used for creating detached threads */
-extern pthread_attr_t attr_detached;
-
-#if DEBUG>0
-/* Key for storing private thread ID's */
-extern pthread_key_t thrid_key;
-#endif
-
-#endif
diff --git a/app/src/main/jni/pdnsd/version b/app/src/main/jni/pdnsd/version
deleted file mode 100644
index c400a37..0000000
--- a/app/src/main/jni/pdnsd/version
+++ /dev/null
@@ -1 +0,0 @@
-1.2.9b-par
diff --git a/orbotservice/src/main/java/org/torproject/android/service/DummyActivity.java b/orbotservice/src/main/java/org/torproject/android/service/DummyActivity.java
deleted file mode 100644
index 5400ba4..0000000
--- a/orbotservice/src/main/java/org/torproject/android/service/DummyActivity.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package org.torproject.android.service;
-
-import android.app.Activity;
-import android.os.Bundle;
-
-/*
- * To combat background service being stopped/swiped
- */
-public class DummyActivity extends Activity {
-	@Override
-	public void onCreate( Bundle icicle ) {
-		super.onCreate( icicle );
-		finish();
-	}
-}
\ No newline at end of file
diff --git a/orbotservice/src/main/java/org/torproject/android/service/Prefs.java b/orbotservice/src/main/java/org/torproject/android/service/Prefs.java
deleted file mode 100644
index 4b9ea3d..0000000
--- a/orbotservice/src/main/java/org/torproject/android/service/Prefs.java
+++ /dev/null
@@ -1,135 +0,0 @@
-
-package org.torproject.android.service;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.text.TextUtils;
-
-import org.torproject.android.service.TorServiceUtils;
-
-import java.util.Locale;
-
-public class Prefs {
-
-    private final static String PREF_BRIDGES_ENABLED = "pref_bridges_enabled";
-    private final static String PREF_BRIDGES_LIST = "pref_bridges_list";
-    private final static String PREF_DEFAULT_LOCALE = "pref_default_locale";
-    private final static String PREF_ENABLE_LOGGING = "pref_enable_logging";
-    private final static String PREF_EXPANDED_NOTIFICATIONS = "pref_expanded_notifications";
-    private final static String PREF_HAS_ROOT = "has_root";
-    private final static String PREF_PERSIST_NOTIFICATIONS = "pref_persistent_notifications";
-    private final static String PREF_START_ON_BOOT = "pref_start_boot";
-    private final static String PREF_ALLOW_BACKGROUND_STARTS = "pref_allow_background_starts";
-    private final static String PREF_TRANSPARENT = "pref_transparent";
-    private final static String PREF_TRANSPARENT_ALL = "pref_transparent_all";
-    private final static String PREF_TRANSPARENT_TETHERING = "pref_transparent_tethering";
-    private final static String PREF_TRANSPROXY_REFRESH = "pref_transproxy_refresh";
-    private final static String PREF_USE_SYSTEM_IPTABLES = "pref_use_sys_iptables";
-    private final static String PREF_USE_VPN = "pref_vpn";
-    private final static String PREF_EXIT_NODES = "pref_exit_nodes";
-    
-    private static SharedPreferences prefs;
-
-    public static void setContext(Context context) {
-        if (prefs == null)
-            prefs = TorServiceUtils.getSharedPrefs(context);
-    }
-
-    private static void putBoolean(String key, boolean value) {
-        prefs.edit().putBoolean(key, value).apply();
-    }
-
-    private static void putString(String key, String value) {
-        prefs.edit().putString(key, value).apply();
-    }
-
-    public static boolean bridgesEnabled() {
-        return prefs.getBoolean(PREF_BRIDGES_ENABLED, false);
-    }
-
-    public static void putBridgesEnabled(boolean value) {
-        putBoolean(PREF_BRIDGES_ENABLED, value);
-    }
-
-    public static String getBridgesList() {
-        return prefs.getString(PREF_BRIDGES_LIST, "");
-    }
-
-    public static void setBridgesList(String value) {
-        putString(PREF_BRIDGES_LIST, value);
-    }
-
-    public static String getDefaultLocale() {
-        return prefs.getString(PREF_DEFAULT_LOCALE, Locale.getDefault().getLanguage());
-    }
-
-    public static void setDefaultLocale(String value) {
-        putString(PREF_DEFAULT_LOCALE, value);
-    }
-
-    public static boolean useSystemIpTables() {
-        return prefs.getBoolean(PREF_USE_SYSTEM_IPTABLES, false);
-    }
-
-    public static boolean useRoot() {
-        return prefs.getBoolean(PREF_HAS_ROOT, false);
-    }
-
-    public static boolean useTransparentProxying() {
-        return prefs.getBoolean(PREF_TRANSPARENT, false);
-    }
-
-    public static boolean transparentProxyAll() {
-        return prefs.getBoolean(PREF_TRANSPARENT_ALL, false);
-    }
-
-    public static boolean transparentTethering() {
-        return prefs.getBoolean(PREF_TRANSPARENT_TETHERING, false);
-    }
-
-    public static boolean transProxyNetworkRefresh() {
-        return prefs.getBoolean(PREF_TRANSPROXY_REFRESH, false);
-    }
-
-    public static boolean expandedNotifications() {
-        return prefs.getBoolean(PREF_EXPANDED_NOTIFICATIONS, false);
-    }
-
-    public static boolean useDebugLogging() {
-        return prefs.getBoolean(PREF_ENABLE_LOGGING, false);
-    }
-
-    public static boolean persistNotifications() {
-        return prefs.getBoolean(PREF_PERSIST_NOTIFICATIONS, true);
-    }
-
-    public static boolean allowBackgroundStarts() {
-        return prefs.getBoolean(PREF_ALLOW_BACKGROUND_STARTS, true);
-    }
-
-    public static boolean useVpn() {
-        return prefs.getBoolean(PREF_USE_VPN, false);
-    }
-
-    public static void putUseVpn(boolean value) {
-        putBoolean(PREF_USE_VPN, value);
-    }
-
-    public static boolean startOnBoot() {
-        return prefs.getBoolean(PREF_START_ON_BOOT, true);
-    }
-
-    public static void putStartOnBoot(boolean value) {
-        putBoolean(PREF_START_ON_BOOT, value);
-    }
-    
-    public static String getExitNodes ()
-    {
-    	return prefs.getString(PREF_EXIT_NODES, "");
-    }
-    
-    public static void setExitNodes (String exits)
-    {
-    	putString(PREF_EXIT_NODES,exits);
-    }
-}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/StartTorReceiver.java b/orbotservice/src/main/java/org/torproject/android/service/StartTorReceiver.java
index 22e703a..2b0ebf8 100644
--- a/orbotservice/src/main/java/org/torproject/android/service/StartTorReceiver.java
+++ b/orbotservice/src/main/java/org/torproject/android/service/StartTorReceiver.java
@@ -6,6 +6,8 @@ import android.content.Context;
 import android.content.Intent;
 import android.text.TextUtils;
 
+import org.torproject.android.service.util.Prefs;
+
 
 public class StartTorReceiver extends BroadcastReceiver implements TorServiceConstants {
 
diff --git a/orbotservice/src/main/java/org/torproject/android/service/TorEventHandler.java b/orbotservice/src/main/java/org/torproject/android/service/TorEventHandler.java
index 2af74c8..f6aa315 100644
--- a/orbotservice/src/main/java/org/torproject/android/service/TorEventHandler.java
+++ b/orbotservice/src/main/java/org/torproject/android/service/TorEventHandler.java
@@ -19,11 +19,8 @@ import java.util.Locale;
 import java.util.StringTokenizer;
 
 
-import org.json.JSONArray;
-import org.json.JSONObject;
-import org.torproject.android.control.ConfigEntry;
 import org.torproject.android.control.EventHandler;
-import org.torproject.android.control.TorControlConnection;
+import org.torproject.android.service.util.Prefs;
 
 /**
  * Created by n8fr8 on 9/25/16.
diff --git a/orbotservice/src/main/java/org/torproject/android/service/TorResourceInstaller.java b/orbotservice/src/main/java/org/torproject/android/service/TorResourceInstaller.java
deleted file mode 100644
index f368326..0000000
--- a/orbotservice/src/main/java/org/torproject/android/service/TorResourceInstaller.java
+++ /dev/null
@@ -1,340 +0,0 @@
-/* Copyright (c) 2009, Nathan Freitas, Orbot / The Guardian Project - http://openideals.com/guardian */
-/* See LICENSE for licensing information */
-
-package org.torproject.android.service;
-
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.PrintStream;
-import java.io.StringBufferInputStream;
-import java.util.ArrayList;
-import java.util.concurrent.TimeoutException;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipInputStream;
-
-import android.content.Context;
-import android.os.Build;
-import android.util.Log;
-
-public class TorResourceInstaller implements TorServiceConstants {
-
-    
-    File installFolder;
-    Context context;
-    
-    public TorResourceInstaller (Context context, File installFolder)
-    {
-        this.installFolder = installFolder;
-        
-        this.context = context;
-    }
-    
-    public void deleteDirectory(File file) {
-        if( file.exists() ) {
-            if (file.isDirectory()) {
-                File[] files = file.listFiles();
-                for(int i=0; i<files.length; i++) {
-                    if(files[i].isDirectory()) {
-                        deleteDirectory(files[i]);
-                    }
-                    else {
-                        files[i].delete();
-                    }
-                }
-            }
-                
-            file.delete();
-        }
-    }
-    
-    private final static String COMMAND_RM_FORCE = "rm -f ";
-    private final static String MP3_EXT = ".mp3";
-    //        
-    /*
-     * Extract the Tor resources from the APK file using ZIP
-     */
-    public boolean installResources () throws IOException, FileNotFoundException, TimeoutException
-    {
-        
-        InputStream is;
-        File outFile;
-
-        String cpuPath = "armeabi";
-            
-        if (Build.CPU_ABI.contains("x86"))
-        	cpuPath = "x86";
-
-        deleteDirectory(installFolder);
-        
-        installFolder.mkdirs();
-
-        is = context.getResources().openRawResource(R.raw.torrc);
-        outFile = new File(installFolder, TORRC_ASSET_KEY);
-        streamToFile(is,outFile, false, false);
-        
-        is = context.getResources().openRawResource(R.raw.torpolipo);
-        outFile = new File(installFolder, POLIPOCONFIG_ASSET_KEY);
-        streamToFile(is,outFile, false, false);
-
-        is = context.getAssets().open(cpuPath + '/' + OBFSCLIENT_ASSET_KEY + MP3_EXT);
-        outFile = new File(installFolder, OBFSCLIENT_ASSET_KEY);
-        streamToFile(is,outFile, false, true);
-        setExecutable(outFile);
-
-        is = context.getAssets().open(cpuPath + '/' + TOR_ASSET_KEY + MP3_EXT);
-        outFile = new File(installFolder, TOR_ASSET_KEY);
-        streamToFile(is,outFile, false, true);
-        setExecutable(outFile);
-    
-        is = context.getAssets().open(cpuPath + '/' + POLIPO_ASSET_KEY + MP3_EXT);
-        outFile = new File(installFolder, POLIPO_ASSET_KEY);
-        streamToFile(is,outFile, false, true);
-        setExecutable(outFile);
-    
-        is = context.getAssets().open(cpuPath + '/' + IPTABLES_ASSET_KEY + MP3_EXT);
-        outFile = new File(installFolder, IPTABLES_ASSET_KEY);
-        streamToFile(is,outFile, false, true);
-        setExecutable(outFile);
-        
-        is = context.getAssets().open(cpuPath + '/' + PDNSD_ASSET_KEY + MP3_EXT);
-        outFile = new File(installFolder, PDNSD_ASSET_KEY);
-        streamToFile(is,outFile, false, true);
-        setExecutable(outFile);
-        
-        installGeoIP();
-    
-        return true;
-    }
-    
-    public boolean updateTorConfigCustom (File fileTorRcCustom, String extraLines) throws IOException, FileNotFoundException, TimeoutException
-    {
-    	if (fileTorRcCustom.exists())
-    	{
-    		fileTorRcCustom.delete();
-    		Log.d("torResources","deleting existing torrc.custom");
-    	}
-    	else
-    		fileTorRcCustom.createNewFile();
-    	
-    	FileOutputStream fos = new FileOutputStream(fileTorRcCustom, false);
-    	PrintStream ps = new PrintStream(fos);
-    	ps.print(extraLines);
-    	ps.close();
-    	
-        return true;
-    }
-    
-    public boolean updatePolipoConfig (File filePolipo, String extraLines) throws IOException, FileNotFoundException, TimeoutException
-    {
-        
-        InputStream is;
-        
-
-        is = context.getResources().openRawResource(R.raw.torpolipo);        
-        streamToFile(is,filePolipo, false, false);
-
-        if (extraLines != null && extraLines.length() > 0)
-        {
-            StringBufferInputStream sbis = new StringBufferInputStream('\n' + extraLines + '\n');
-            streamToFile(sbis,filePolipo,true,false);
-        }
-        
-
-        return true;
-    }
-    
-    public boolean installPolipoConf () throws IOException, FileNotFoundException, TimeoutException
-    {
-        
-        InputStream is;
-        File outFile;
-        
-
-        is = context.getResources().openRawResource(R.raw.torpolipo);
-        outFile = new File(installFolder, POLIPOCONFIG_ASSET_KEY);
-        streamToFile(is,outFile, false, false);
-        
-        return true;
-    }
-    
-    /*
-     * Extract the Tor binary from the APK file using ZIP
-     */
-    
-    private boolean installGeoIP () throws IOException, FileNotFoundException
-    {
-        
-        InputStream is;
-        File outFile;
-        
-        outFile = new File(installFolder, GEOIP_ASSET_KEY);
-        is = context.getResources().openRawResource(R.raw.geoip);
-        streamToFile(is, outFile, false, true);
-        
-        is = context.getResources().openRawResource(R.raw.geoip6);
-        outFile = new File(installFolder, GEOIP6_ASSET_KEY);
-        streamToFile(is, outFile, false, true);
-    
-        return true;
-    }
-    
-    /*
-    private static void copyAssetFile(Context ctx, String asset, File file) throws IOException, InterruptedException
-    {
-        
-        DataOutputStream out = new DataOutputStream(new FileOutputStream(file));
-        InputStream is = new GZIPInputStream(ctx.getAssets().open(asset));
-        
-        byte buf[] = new byte[8172];
-        int len;
-        while ((len = is.read(buf)) > 0) {
-            out.write(buf, 0, len);
-        }
-        out.close();
-        is.close();
-    }*/
-    
-    /*
-     * Write the inputstream contents to the file
-     */
-    public static boolean streamToFile(InputStream stm, File outFile, boolean append, boolean zip) throws IOException
-
-    {
-        byte[] buffer = new byte[FILE_WRITE_BUFFER_SIZE];
-
-        int bytecount;
-
-        OutputStream stmOut = new FileOutputStream(outFile.getAbsolutePath(), append);
-        ZipInputStream zis = null;
-        
-        if (zip)
-        {
-            zis = new ZipInputStream(stm);            
-            ZipEntry ze = zis.getNextEntry();
-            stm = zis;
-            
-        }
-        
-        while ((bytecount = stm.read(buffer)) > 0)
-        {
-
-            stmOut.write(buffer, 0, bytecount);
-
-        }
-
-        stmOut.close();
-        stm.close();
-        
-        if (zis != null)
-            zis.close();
-        
-        
-        return true;
-
-    }
-    
-    //copy the file from inputstream to File output - alternative impl
-    public static boolean copyFile (InputStream is, File outputFile)
-    {
-        
-        try {
-        	if (outputFile.exists())
-        		outputFile.delete();
-        	
-            boolean newFile = outputFile.createNewFile();
-            DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
-            DataInputStream in = new DataInputStream(is);
-            
-            int b = -1;
-            byte[] data = new byte[1024];
-            
-            while ((b = in.read(data)) != -1) {
-                out.write(data);
-            }
-            
-            if (b == -1); //rejoice
-            
-            //
-            out.flush();
-            out.close();
-            in.close();
-            // chmod?
-            
-            return newFile;
-            
-            
-        } catch (IOException ex) {
-            Log.e(OrbotConstants.TAG, "error copying binary", ex);
-            return false;
-        }
-
-    }
-    
-    
-
-   
-    /**
-     * Copies a raw resource file, given its ID to the given location
-     * @param ctx context
-     * @param resid resource id
-     * @param file destination file
-     * @param mode file permissions (E.g.: "755")
-     * @throws IOException on error
-     * @throws InterruptedException when interrupted
-     */
-    public static void copyRawFile(Context ctx, int resid, File file, String mode, boolean isZipd) throws IOException, InterruptedException
-    {
-        final String abspath = file.getAbsolutePath();
-        // Write the iptables binary
-        final FileOutputStream out = new FileOutputStream(file);
-        InputStream is = ctx.getResources().openRawResource(resid);
-        
-        if (isZipd)
-        {
-            ZipInputStream zis = new ZipInputStream(is);            
-            ZipEntry ze = zis.getNextEntry();
-            is = zis;
-        }
-        
-        byte buf[] = new byte[1024];
-        int len;
-        while ((len = is.read(buf)) > 0) {
-            out.write(buf, 0, len);
-        }
-        out.close();
-        is.close();
-        // Change the permissions
-        Runtime.getRuntime().exec("chmod "+mode+" "+abspath).waitFor();
-    }
-    /**
-     * Asserts that the binary files are installed in the bin directory.
-     * @param ctx context
-     * @param showErrors indicates if errors should be alerted
-     * @return false if the binary files could not be installed
-     */
-    /*
-    public static boolean assertIpTablesBinaries(Context ctx, boolean showErrors) throws Exception {
-        boolean changed = false;
-        
-        // Check iptables_g1
-        File file = new File(ctx.getDir("bin",0), "iptables");
-        copyRawFile(ctx, R.raw.iptables, file, CHMOD_EXEC, false);
-                
-        return true;
-    }*/
-    
-
-    private void setExecutable(File fileBin) {
-        fileBin.setReadable(true);
-        fileBin.setExecutable(true);
-        fileBin.setWritable(false);
-        fileBin.setWritable(true, true);
-    }
-
-}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/TorService.java b/orbotservice/src/main/java/org/torproject/android/service/TorService.java
index 6a0b6ac..452e094 100644
--- a/orbotservice/src/main/java/org/torproject/android/service/TorService.java
+++ b/orbotservice/src/main/java/org/torproject/android/service/TorService.java
@@ -22,8 +22,6 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
@@ -35,11 +33,15 @@ import android.text.TextUtils;
 import android.util.Log;
 import android.widget.RemoteViews;
 
-import org.json.JSONArray;
-import org.json.JSONObject;
 import org.torproject.android.control.ConfigEntry;
-import org.torproject.android.control.EventHandler;
 import org.torproject.android.control.TorControlConnection;
+import org.torproject.android.service.transproxy.TorTransProxy;
+import org.torproject.android.service.transproxy.TorifiedApp;
+import org.torproject.android.service.util.DummyActivity;
+import org.torproject.android.service.util.Prefs;
+import org.torproject.android.service.util.TorResourceInstaller;
+import org.torproject.android.service.util.TorServiceUtils;
+import org.torproject.android.service.util.Utils;
 
 import java.io.BufferedReader;
 import java.io.ByteArrayOutputStream;
@@ -50,27 +52,15 @@ import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
 import java.io.PrintStream;
 import java.io.PrintWriter;
-import java.net.InetAddress;
-import java.net.InetSocketAddress;
-import java.net.Proxy;
 import java.net.Socket;
-import java.net.URL;
-import java.net.URLConnection;
 import java.text.Normalizer;
-import java.text.NumberFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
-import java.util.Locale;
 import java.util.Properties;
-import java.util.Queue;
 import java.util.Set;
 import java.util.StringTokenizer;
 import java.util.concurrent.ExecutorService;
@@ -121,8 +111,6 @@ public class TorService extends Service implements TorServiceConstants, OrbotCon
 
     TorEventHandler mEventHandler;
 
-  //  private OrbotVpnManager mVpnManager;
-    
     public static File appBinHome;
     public static File appCacheHome;
 
@@ -1190,25 +1178,6 @@ public class TorService extends Service implements TorServiceConstants, OrbotCon
             return mPortSOCKS;
         }
 
-         @TargetApi(14)
-        public void enableVpnProxy () {
-        	debug ("enabling VPN Proxy");
-            
-            Prefs.putUseVpn(true);
-            processTransparentProxying();
-            
-            updateConfiguration("DNSPort",TOR_VPN_DNS_LISTEN_ADDRESS + ":" + TorServiceConstants.TOR_DNS_PORT_DEFAULT,false);
-            
-          //  if (mVpnManager == null)
-         //   	mVpnManager = new OrbotVpnManager (this);
-            
-            Intent intent = new Intent();
-            intent.setAction("start");            
-            intent.putExtra("torSocks", mPortSOCKS);
-            
-           // mVpnManager.handleIntent(new Builder(),intent);
-           
-        }
 
     @TargetApi(14)
         public void clearVpnProxy ()
diff --git a/orbotservice/src/main/java/org/torproject/android/service/TorServiceUtils.java b/orbotservice/src/main/java/org/torproject/android/service/TorServiceUtils.java
deleted file mode 100644
index fc48faa..0000000
--- a/orbotservice/src/main/java/org/torproject/android/service/TorServiceUtils.java
+++ /dev/null
@@ -1,184 +0,0 @@
-/* Copyright (c) 2009, Nathan Freitas, Orbot / The Guardian Project - http://openideals.com/guardian */
-/* See LICENSE for licensing information */
-package org.torproject.android.service;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.net.ConnectException;
-import java.net.InetSocketAddress;
-import java.net.Socket;
-import java.util.StringTokenizer;
-
-import android.annotation.SuppressLint;
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.os.Build;
-import android.util.Log;
-
-public class TorServiceUtils implements TorServiceConstants {
-
-	
-	
-	public static int findProcessId(String command) throws IOException 
-	{
-		int procId = findProcessIdWithPS(command);
-		return procId;
-	}
-	
-	//use 'pidof' command
-	/**
-	public static int findProcessIdWithPidOf(String command) throws Exception
-	{
-		
-		int procId = -1;
-		
-		Runtime r = Runtime.getRuntime();
-		    	
-		Process procPs = null;
-		
-		String baseName = new File(command).getName();
-		//fix contributed my mikos on 2010.12.10
-		procPs = r.exec(new String[] {SHELL_CMD_PIDOF, baseName});
-        //procPs = r.exec(SHELL_CMD_PIDOF);
-            
-        BufferedReader reader = new BufferedReader(new InputStreamReader(procPs.getInputStream()));
-        String line = null;
-
-        while ((line = reader.readLine())!=null)
-        {
-        
-        	try
-        	{
-        		//this line should just be the process id
-        		procId = Integer.parseInt(line.trim());
-        		break;
-        	}
-        	catch (NumberFormatException e)
-        	{
-        		Log.e("TorServiceUtils","unable to parse process pid: " + line,e);
-        	}
-        }
-            
-       
-        return procId;
-
-	}
-	 * @throws IOException */
-	
-	//use 'ps' command
-	public static int findProcessIdWithPS(String command) throws IOException 
-	{
-		
-		int procId = -1;
-		
-		Runtime r = Runtime.getRuntime();
-		    	
-		Process procPs = null;
-		
-        procPs = r.exec(SHELL_CMD_PS); // this is the android ps <name> command
-            
-        BufferedReader reader = new BufferedReader(new InputStreamReader(procPs.getInputStream()));
-        String line = null;
-        
-        while ((line = reader.readLine())!=null)
-        {
-        	if (line.contains("PID"))
-        		continue;
-        		
-        	if (line.contains(command))
-        	{
-        		
-        		String[] lineParts = line.split("\\s+");
-        		
-        	    try { 
-        	        
-        	        procId = Integer.parseInt(lineParts[1]); //for most devices it is the second number
-        	    } catch(NumberFormatException e) {
-        	    	procId = Integer.parseInt(lineParts[0]); //but for samsungs it is the first
-        	        
-        	    }
-        		
-        		
-        		break;
-        	}
-        }
-        
-        try { procPs.destroy(); } catch (Exception e) {} // try to destroy just to make sure we clean it up
-       
-        return procId;
-
-	}
-	
-	public static SharedPreferences getSharedPrefs (Context context)
-	{
-		if (Build.VERSION.SDK_INT>=Build.VERSION_CODES.HONEYCOMB)
-			return context.getSharedPreferences(OrbotConstants.PREF_TOR_SHARED_PREFS,0 | Context.MODE_MULTI_PROCESS);
-		else
-			return context.getSharedPreferences(OrbotConstants.PREF_TOR_SHARED_PREFS,Context.MODE_PRIVATE);
-		
-	}
-	
-	public static void killProcess(File fileProcBin) throws Exception {
-        killProcess(fileProcBin, "-9"); // this is -KILL
-    }
-
-    public static void killProcess(File fileProcBin, String signal) throws Exception {
-        int procId = -1;
-        int killAttempts = 0;
-
-        while ((procId = TorServiceUtils.findProcessId(fileProcBin.getCanonicalPath())) != -1) {
-            killAttempts++;
-            //logNotice("Found " + fileProcBin.getName() + " PID=" + procId + " - killing now...");
-            String pidString = String.valueOf(procId);
-            /*
-             * first try as the normal app user to be safe, then if that fails,
-             * try root since the process might be left over from
-             * uninstall/reinstall with different UID.
-             */
-
-			/**
-            if (Prefs.useRoot() && killAttempts > 2) {
-                shell = Shell.startRootShell();
-                Log.i(OrbotApp.TAG, "using a root shell");
-            } else {
-                shell = Shell.startShell();
-            }*/
-
-            Runtime.getRuntime().exec("busybox killall " + signal + " " + fileProcBin.getName());
-			Runtime.getRuntime().exec("toolbox kill " + signal + " " + pidString);
-			Runtime.getRuntime().exec("busybox kill " + signal + " " + pidString);
-			Runtime.getRuntime().exec("kill " + signal + " " + pidString);
-            try {
-                Thread.sleep(1000);
-            } catch (InterruptedException e) {
-                // ignored
-            }
-
-            if (killAttempts > 4)
-                throw new Exception("Cannot kill: " + fileProcBin.getAbsolutePath());
-        }
-    }
-
-    public static boolean isPortOpen(final String ip, final int port, final int timeout) {
-        try {
-            Socket socket = new Socket();
-            socket.connect(new InetSocketAddress(ip, port), timeout);
-            socket.close();
-            return true;
-        } 
-
-        catch(ConnectException ce){
-            //ce.printStackTrace();
-            return false;
-        }
-
-        catch (Exception ex) {
-            //ex.printStackTrace();
-            return false;
-        }
-    }
-}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/TorTransProxy.java b/orbotservice/src/main/java/org/torproject/android/service/TorTransProxy.java
deleted file mode 100644
index 86c872a..0000000
--- a/orbotservice/src/main/java/org/torproject/android/service/TorTransProxy.java
+++ /dev/null
@@ -1,978 +0,0 @@
-package org.torproject.android.service;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.Iterator;
-import java.util.List;
-import java.util.StringTokenizer;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-
-public class TorTransProxy implements TorServiceConstants {
-	
-	private String mSysIptables = null;
-	private TorService mTorService = null;
-	private File mFileXtables = null;
-	
-	private final static String ALLOW_LOCAL = " ! -d 127.0.0.1";
-
-	private int mTransProxyPort = TOR_TRANSPROXY_PORT_DEFAULT;
-	private int mDNSPort = TOR_DNS_PORT_DEFAULT;
-	
-	public TorTransProxy (TorService torService, File fileXTables)
-	{
-		mTorService = torService;
-		mFileXtables = fileXTables;	
-	}
-	
-	public void setTransProxyPort (int transProxyPort)
-	{
-		mTransProxyPort = transProxyPort;
-	}
-	
-	public void setDNSPort (int dnsPort)
-	{
-		mDNSPort = dnsPort;
-	}
-	
-	public String getIpTablesPath (Context context)
-	{
-
-		String ipTablesPath = null;
-
-		if (Prefs.useSystemIpTables())
-		{
-			ipTablesPath = findSystemIPTables();
-		}
-		else
-		{
-			ipTablesPath = mFileXtables.getAbsolutePath();
-			ipTablesPath += " iptables"; //append subcommand since we are using xtables now
-			
-		}
-			
-		return ipTablesPath;
-	}
-	
-	public String getIp6TablesPath (Context context)
-	{
-
-		String ipTablesPath = null;
-		
-		if (Prefs.useSystemIpTables())
-		{
-			ipTablesPath = findSystemIP6Tables();
-		}
-		else
-		{
-			ipTablesPath = mFileXtables.getAbsolutePath();
-			ipTablesPath += " ip6tables"; //append subcommand since we are using xtables now
-			
-		}
-			
-		return ipTablesPath;
-	
-	}
-	
-	private String findSystemIPTables ()
-	{
-		if (mSysIptables != null)
-		{
-			return mSysIptables;
-		}
-		else
-		{
-		
-			//if the user wants us to use the built-in iptables, then we have to find it
-			File fileIpt = new File("/system/xbin/iptables");
-			
-			if (fileIpt.exists())
-				mSysIptables = fileIpt.getAbsolutePath();
-			else
-			{
-			
-				fileIpt = new File("/system/bin/iptables");
-				
-				if (fileIpt.exists())
-					mSysIptables = fileIpt.getAbsolutePath();
-			}
-		}
-		
-		return mSysIptables;
-	}
-	
-
-	
-	private String findSystemIP6Tables ()
-	{
-		
-		//if the user wants us to use the built-in iptables, then we have to find it
-		File fileIpt = new File("/system/xbin/ip6tables");
-		
-		if (fileIpt.exists())
-			mSysIptables = fileIpt.getAbsolutePath();
-		else
-		{
-		
-			fileIpt = new File("/system/bin/ip6tables");
-			
-			if (fileIpt.exists())
-				mSysIptables = fileIpt.getAbsolutePath();
-		}
-		
-		
-		return mSysIptables;
-	}
-	
-	/*
-	public int flushIptablesAll(Context context) throws Exception {
-		
-		String ipTablesPath = getIpTablesPath(context);
-	
-    	final StringBuilder script = new StringBuilder();
-    	
-    	StringBuilder res = new StringBuilder();
-    	int code = -1;
-
-		script.append(ipTablesPath);
-		script.append(" -t nat");
-		script.append(" -F || exit\n");
-	
-		script.append(ipTablesPath);
-		script.append(" -t filter");
-		script.append(" -F || exit\n");
-    	
-    	String[] cmd = {script.toString()};	    	
-		code = TorServiceUtils.doShellCommand(cmd, res, true, true);		
-		String msg = res.toString();
-		
-		TorService.logMessage(cmd[0] + ";errCode=" + code + ";resp=" + msg);
-			
-		
-		return code;
-	
-	}*/
-	
-	/*
-	public static int purgeIptablesByApp(Context context, TorifiedApp[] apps) throws Exception {
-
-		//restoreDNSResolvConf(); //not working yet
-		
-		String ipTablesPath = new File(context.getDir("bin", 0),"iptables").getAbsolutePath();
-		
-    	final StringBuilder script = new StringBuilder();
-    	
-    	StringBuilder res = new StringBuilder();
-    	int code = -1;
-    	
-		for (int i = 0; i < apps.length; i++)
-		{
-			//flush nat for every app
-			script.append(ipTablesPath);
-			script.append(" -t nat -m owner --uid-owner ");
-			script.append(tApp.getUid());
-			script.append(" -F || exit\n");
-    public static ArrayList<TorifiedApp> getApps (Context context, SharedPreferences prefs)
-    {
-
-        String tordAppString = prefs.getString(PREFS_KEY_TORIFIED, "");
-        String[] tordApps;
-
-        StringTokenizer st = new StringTokenizer(tordAppString,"|");
-        tordApps = new String[st.countTokens()];
-        int tordIdx = 0;
-        while (st.hasMoreTokens())
-        {
-            tordApps[tordIdx++] = st.nextToken();
-        }
-
-        Arrays.sort(tordApps);
-
-        //else load the apps up
-        PackageManager pMgr = context.getPackageManager();
-
-        List<ApplicationInfo> lAppInfo = pMgr.getInstalledApplications(0);
-
-        Iterator<ApplicationInfo> itAppInfo = lAppInfo.iterator();
-
-        ArrayList<TorifiedApp> apps = new ArrayList<TorifiedApp>();
-
-        ApplicationInfo aInfo = null;
-
-        int appIdx = 0;
-        TorifiedApp app = null;
-
-        while (itAppInfo.hasNext())
-        {
-            aInfo = itAppInfo.next();
-
-            app = new TorifiedApp();
-
-            try {
-                PackageInfo pInfo = pMgr.getPackageInfo(aInfo.packageName, PackageManager.GET_PERMISSIONS);
-
-                if (pInfo != null && pInfo.requestedPermissions != null)
-                {
-                    for (String permInfo:pInfo.requestedPermissions)
-                    {
-                        if (permInfo.equals("android.permission.INTERNET"))
-                        {
-                            app.setUsesInternet(true);
-
-                        }
-                    }
-
-                }
-
-
-            } catch (Exception e) {
-                // TODO Auto-generated catch block
-                e.printStackTrace();
-            }
-
-            if ((aInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 1)
-            {
-                //System app
-                app.setUsesInternet(true);
-            }
-
-
-            if (!app.usesInternet())
-                continue;
-            else
-            {
-                apps.add(app);
-            }
-
-
-            app.setEnabled(aInfo.enabled);
-            app.setUid(aInfo.uid);
-            app.setUsername(pMgr.getNameForUid(app.getUid()));
-            app.setProcname(aInfo.processName);
-            app.setPackageName(aInfo.packageName);
-
-            try
-            {
-                app.setName(pMgr.getApplicationLabel(aInfo).toString());
-            }
-            catch (Exception e)
-            {
-                app.setName(aInfo.packageName);
-            }
-
-
-            //app.setIcon(pMgr.getApplicationIcon(aInfo));
-
-            // check if this application is allowed
-            if (Arrays.binarySearch(tordApps, app.getUsername()) >= 0) {
-                app.setTorified(true);
-            }
-            else
-            {
-                app.setTorified(false);
-            }
-
-            appIdx++;
-        }
-
-        Collections.sort(apps);
-
-        return apps;
-    }
-
-		
-			script.append(ipTablesPath);
-			script.append(" -t filter -m owner --uid-owner ");
-			script.append(tApp.getUid());
-			script.append(" -F || exit\n");
-				
-		}
-		
-    	
-    	String[] cmd = {script.toString()};	    	
-		code = TorServiceUtils.doShellCommand(cmd, res, true, true);		
-		String msg = res.toString();
-		logNotice(cmd[0] + ";errCode=" + code + ";resp=" + msg);
-			
-		
-		return code;
-		
-	}*/
-	
-	
-	/*
-	 // 9/19/2010 - NF This code is in process... /etc path on System partition
-	 // is read-only on Android for now.
-	public static int redirectDNSResolvConf () throws Exception
-	{
-    	StringBuilder script = new StringBuilder();
-    	StringBuilder res = new StringBuilder();
-    	int code = -1;
-    	
-		//mv resolv.conf to resolve.conf.bak
-		String cmd = "mv /etc/resolv.conf /etc/resolv.conf.bak";
-		script.append(cmd);
-		
-		//create new resolve.conf pointing to localhost/127.0.0.1
-		cmd = "echo \"nameserver 127.0.0.1\" > /etc/resolv.conf";
-		script.append(cmd);
-		
-		String[] cmdFlush = {script.toString()};
-		code = TorServiceUtils.doShellCommand(cmdFlush, res, true, true);
-		//String msg = res.toString(); //get stdout from command
-		
-		
-		return code;
-	}
-	
-	public static int restoreDNSResolvConf () throws Exception
-	{
-		StringBuilder script = new StringBuilder();
-    	StringBuilder res = new StringBuilder();
-    	int code = -1;
-    	
-		//mv resolv.conf to resolve.conf.bak
-		String cmd = "mv /etc/resolv.conf.bak /etc/resolv.conf";
-		script.append(cmd);
-		script.append(" || exit\n");
-		
-		String[] cmdFlush = {script.toString()};
-		code = TorServiceUtils.doShellCommand(cmdFlush, res, true, true);
-		//String msg = res.toString(); //get stdout from command
-		
-		return code;
-	}
-	*/
-	/*
-	public int testOwnerModule(Context context, String ipTablesPath) throws Exception
-	{
-
-		TorBinaryInstaller.assertIpTablesBinaries(context, false);
-		
-		boolean runRoot = true;
-    	boolean waitFor = true;
-    	
-    	int torUid = context.getApplicationInfo().uid;
-
-    	StringBuilder script = new StringBuilder();
-    	
-    	StringBuilder res = new StringBuilder();
-    	int code = -1;
-    	
-    	// Allow everything for Tor
-		script.append(ipTablesPath);
-		script.append(" -A OUTPUT");
-		script.append(" -t filter");
-		script.append(" -m owner --uid-owner ");
-		script.append(torUid);
-		script.append(" -j ACCEPT");
-		script.append(" || exit\n");
-		
-		script.append(ipTablesPath);
-		script.append(" -D OUTPUT");
-		script.append(" -t filter");
-		script.append(" -m owner --uid-owner ");
-		script.append(torUid);
-		script.append(" -j ACCEPT");
-		script.append(" || exit\n");
-		
-		String[] cmdAdd = {script.toString()};    	
-    	
-		code = TorServiceUtils.doShellCommand(cmdAdd, res, runRoot, waitFor);
-		String msg = res.toString();
-		
-		if (mTorService != null)
-		logMessage(cmdAdd[0] + ";errCode=" + code + ";resp=" + msg);
-		
-		
-		return code;
-    }	
-	*/
-	
-	/*
-	public int clearTransparentProxyingByApp (Context context, ArrayList<TorifiedApp> apps) throws Exception
-	{
-		boolean runRoot = true;
-    	boolean waitFor = true;
-    	
-		String ipTablesPath = getIpTablesPath(context);
-		
-    	StringBuilder script = new StringBuilder();
-    	
-    	StringBuilder res = new StringBuilder();
-    	int code = -1;
-    	
-    	String chainName = "ORBOT";
-		String jumpChainName = "OUTPUT";
-		
-		script.append(ipTablesPath);
-    	script.append(" --flush ").append(chainName); //delete previous user-defined chain
-    	script.append(" || exit\n");
-    	
-		script.append(ipTablesPath);
-    	script.append(" -D ").append(jumpChainName);
-    	script.append(" -j ").append(chainName);
-    	script.append(" || exit\n");
-    	
-    	script.append(ipTablesPath);
-    	script.append(" -X ").append(chainName); //delete previous user-defined chain
-    	script.append(" || exit\n");
-
-		String[] cmdAdd = {script.toString()};    	
-    		
-		code = TorServiceUtils.doShellCommand(cmdAdd, res, runRoot, waitFor);
-		String msg = res.toString();
-		
-		logMessage(cmdAdd[0] + ";errCode=" + code + ";resp=" + msg);
-		
-		return code;
-	}*/
-	
-	public int setTransparentProxyingByApp(Context context, ArrayList<TorifiedApp> apps, boolean enableRule) throws Exception
-	{
-		String ipTablesPath = getIpTablesPath(context);
-		
-    	//StringBuilder script = new StringBuilder();
-    	
-		String action = " -A ";
-    	String srcChainName = "OUTPUT";
-
-		if (!enableRule)
-			action = " -D ";
-		
-    	//run the delete commands in a separate process as it might error out
-    	//String[] cmdExecClear = {script.toString()};    	    	
-		//code = TorServiceUtils.doShellCommand(cmdExecClear, res, runRoot, waitFor);
-		
-		//reset script
-		
-    	int lastExit = -1;
-    	StringBuilder script;    	
-    	
-
-		// Same for DNS
-		script = new StringBuilder();
-		script.append(ipTablesPath);
-		script.append(" -t nat");
-		script.append(action).append(srcChainName);
-		script.append(" -p udp");
-		//script.append(" -m owner --uid-owner ");
-		//script.append(tApp.getUid());
-		//script.append(" -m udp --dport "); 
-		script.append(" --dport ");
-		script.append(STANDARD_DNS_PORT);
-		script.append(" -j REDIRECT --to-ports ");
-		script.append(mDNSPort);
-		executeCommand (script.toString());
-		
-    	// Allow everything for Tor
-    	
-		//build up array of shell cmds to execute under one root context
-		for (TorifiedApp tApp:apps)
-		{
-
-			if (((!enableRule) || tApp.isTorified())
-					&& (!tApp.getUsername().equals(TOR_APP_USERNAME))
-					) //if app is set to true
-			{
-				
-				
-				logMessage("transproxy for app: " + tApp.getUsername() + " (" + tApp.getUid() + "): enable=" + enableRule);
-				
-				dropAllIPv6Traffic(context, tApp.getUid(),enableRule);
-				
-		    	script = new StringBuilder();
-
-				// Allow loopback
-		    	/**
-				script.append(ipTablesPath);
-				script.append(" -t filter");
-		        script.append(action).append(srcChainName);
-				script.append(" -m owner --uid-owner ");
-				script.append(tApp.getUid());
-				script.append(" -o lo");
-				script.append(" -j ACCEPT");
-
-				executeCommand (shell, script.toString());
-				script = new StringBuilder();
-				**/
-				
-				// Set up port redirection
-		    	script.append(ipTablesPath);
-		    	script.append(" -t nat");
-		    	script.append(action).append(srcChainName);				
-				script.append(" -p tcp");
-				script.append(ALLOW_LOCAL);
-				script.append(" -m owner --uid-owner ");
-				script.append(tApp.getUid());
-				script.append(" -m tcp --syn");
-				script.append(" -j REDIRECT --to-ports ");
-				script.append(mTransProxyPort);
-				
-				executeCommand (script.toString());
-				
-				
-				script = new StringBuilder();
-				
-				// Reject all other outbound packets
-				script.append(ipTablesPath);
-				script.append(" -t filter");
-		        script.append(action).append(srcChainName);
-				script.append(" -m owner --uid-owner ");
-				script.append(tApp.getUid());				
-				script.append(ALLOW_LOCAL);
-				script.append(" -j REJECT");
-
-				lastExit = executeCommand (script.toString());
-				
-		
-			}		
-		}		
-		
-		return lastExit;
-    }	
-	
-	private int executeCommand (String cmdString) throws Exception {
-
-		Process proc = Runtime.getRuntime().exec(cmdString);
-		proc.waitFor();
-		int exitCode = proc.exitValue();
-		//String output = cmd.getOutput();
-
-		
-		logMessage(cmdString + "; exit=" + exitCode);
-		
-		return exitCode;
-	}
-	
-	
-	public int enableTetheringRules (Context context) throws Exception
-	{
-		
-		String ipTablesPath = getIpTablesPath(context);
-		
-    	StringBuilder script = new StringBuilder();
-    
-    	String[] hwinterfaces = {"usb0","wl0.1"};
-    	
-    	
-    	int lastExit = -1;
-    	
-    	for (int i = 0; i < hwinterfaces.length; i++)
-    	{
-
-			script = new StringBuilder();
-	    	script.append(ipTablesPath);
-			script.append(" -t nat -A PREROUTING -i ");
-			script.append(hwinterfaces[i]);
-			script.append(" -p udp --dport 53 -j REDIRECT --to-ports ");
-			script.append(mDNSPort);
-			
-			executeCommand (script.toString());
-			script = new StringBuilder();
-			
-			
-			script = new StringBuilder();
-			script.append(ipTablesPath);
-			script.append(" -t nat -A PREROUTING -i ");
-			script.append(hwinterfaces[i]);
-			script.append(" -p tcp -j REDIRECT --to-ports ");
-			script.append(mTransProxyPort);
-			
-			lastExit = executeCommand (script.toString());
-			script = new StringBuilder();
-			
-			
-    	}
-    	
-		return lastExit;
-	}
-	
-	private void logMessage (String msg)
-	{
-		if (mTorService != null)
-			mTorService.debug(msg);
-	}
-	
-
-	
-	public int fixTransproxyLeak (Context context) throws Exception
-	{
-		String ipTablesPath = getIpTablesPath(context);
-		
-    	StringBuilder script = new StringBuilder();
-    	script.append(ipTablesPath);
-		script.append(" -I OUTPUT ! -o lo ! -d 127.0.0.1 ! -s 127.0.0.1 -p tcp -m tcp --tcp-flags ACK,FIN ACK,FIN -j DROP");
-		
-		executeCommand (script.toString());
-		script = new StringBuilder();
-		
-		script = new StringBuilder();
-		script.append(ipTablesPath);
-		script.append(" -I OUTPUT ! -o lo ! -d 127.0.0.1 ! -s 127.0.0.1 -p tcp -m tcp --tcp-flags ACK,RST ACK,RST -j DROP");
-		
-		int lastExit = executeCommand (script.toString());
-		script = new StringBuilder();
-		
-		return lastExit;
-		 
-	}
-	
-	public int dropAllIPv6Traffic (Context context, int appUid, boolean enableDrop) throws Exception {
-
-		String action = " -A ";
-		String chain = "OUTPUT";
-		
-		if (!enableDrop)
-			action = " -D ";
-		
-		String ip6tablesPath = getIp6TablesPath(context);
-    	
-    	StringBuilder script;
-
-		script = new StringBuilder();
-		script.append(ip6tablesPath);			
-		script.append(action);
-		script.append(chain);
-
-		if (appUid != -1)
-		{
-			script.append(" -m owner --uid-owner ");
-			script.append(appUid);	
-		}
-		
-		script.append(" -j DROP");
-		
-		int lastExit = executeCommand (script.toString());
-		
-		return lastExit;
-	}
-	
-	/*
-	public int clearAllIPv6Filters (Context context) throws Exception
-	{
-
-		String ip6tablesPath = getIp6TablesPath(context);
-		Shell shell = Shell.startRootShell();
-    	
-    	StringBuilder script;
-
-		script = new StringBuilder();
-		script.append(ip6tablesPath);			
-		script.append(" -t filter");
-		script.append(" -F OUTPUT");
-		int lastExit = executeCommand (shell, script.toString());
-		
-		shell.close();
-		
-		return lastExit;
-	}*/
-	
-	public int flushTransproxyRules (Context context) throws Exception {
-		int exit = -1;
-		
-		String ipTablesPath = getIpTablesPath(context);
-
-		StringBuilder script = new StringBuilder();
-		script.append(ipTablesPath);			
-		script.append(" -t nat ");
-		script.append(" -F ");
-		
-    	executeCommand (script.toString());
-		
-		script = new StringBuilder();
-		script.append(ipTablesPath);			
-		script.append(" -t filter ");
-		script.append(" -F ");
-		executeCommand (script.toString());
-		
-		dropAllIPv6Traffic(context,-1,false);
-		dropAllIPv6Traffic(context,-1,false);
-
-		
-		return exit;
-	}
-	
-	public int setTransparentProxyingAll(Context context, boolean enable) throws Exception
-	{
-	  	
-		String action = " -A ";
-    	String srcChainName = "OUTPUT";
-
-		if (!enable)
-			action = " -D ";
-
-		dropAllIPv6Traffic(context,-1,enable);
-		
-		String ipTablesPath = getIpTablesPath(context);
-		
-    	
-    	int torUid = context.getApplicationInfo().uid;
-    	
-    	StringBuilder script = new StringBuilder();
-    	
-		// Allow everything for Tor
-    	
-		script.append(ipTablesPath);			
-		script.append(" -t nat");
-		script.append(action).append(srcChainName);
-		script.append(" -m owner --uid-owner ");
-		script.append(torUid);
-		script.append(" -j ACCEPT");
-		
-		executeCommand (script.toString());
-		script = new StringBuilder();
-
-		// Allow loopback
-		
-		script.append(ipTablesPath);
-		script.append(" -t nat");
-		script.append(action).append(srcChainName);
-		script.append(" -o lo");
-		script.append(" -j ACCEPT");
-
-		executeCommand (script.toString());
-		script = new StringBuilder();
-		
-    	// Set up port redirection    	
-		script.append(ipTablesPath);		
-		script.append(" -t nat");
-		script.append(action).append(srcChainName);
-		script.append(" -p tcp");
-		script.append(ALLOW_LOCAL); //allow access to localhost
-		script.append(" -m owner ! --uid-owner ");
-		script.append(torUid);
-		script.append(" -m tcp --syn");
-		script.append(" -j REDIRECT --to-ports ");
-		script.append(mTransProxyPort);
-
-		executeCommand (script.toString());
-		script = new StringBuilder();
-		
-		// Same for DNS
-		script.append(ipTablesPath);
-		script.append(" -t nat");
-		script.append(action).append(srcChainName);
-		script.append(" -p udp");
-		script.append(ALLOW_LOCAL); //allow access to localhost
-		script.append(" -m owner ! --uid-owner ");
-		script.append(torUid);
-		//script.append(" -m udp --dport "); 
-		script.append(" --dport ");
-		script.append(STANDARD_DNS_PORT);
-		script.append(" -j REDIRECT --to-ports ");
-		script.append(mDNSPort);
-
-		executeCommand (script.toString());
-		script = new StringBuilder();
-		
-		
-		if (Prefs.useDebugLogging())
-		{
-			//XXX: Comment the following rules for non-debug builds
-			script.append(ipTablesPath);			
-			script.append(" -t filter");
-			script.append(action).append(srcChainName);
-			script.append(" -p udp");
-			script.append(" --dport ");
-			script.append(STANDARD_DNS_PORT);
-			script.append(" -j LOG");
-			script.append(" --log-prefix='ORBOT_DNSLEAK_PROTECTION'");
-			script.append(" --log-uid");
-
-			executeCommand (script.toString());
-			script = new StringBuilder();
-			
-			script.append(ipTablesPath);			
-			script.append(" -t filter");
-			script.append(action).append(srcChainName);
-	    	script.append(" -p tcp");
-			script.append(" -j LOG");
-			script.append(" --log-prefix='ORBOT_TCPLEAK_PROTECTION'");
-			script.append(" --log-uid");
-
-			executeCommand (script.toString());
-			script = new StringBuilder();
-			
-		}
-
-		//allow access to transproxy port
-		script.append(ipTablesPath);
-		script.append(" -t filter");
-		script.append(action).append(srcChainName);
-		script.append(" -p tcp");
-		script.append(" -m tcp");
-		script.append(" --dport ").append(mTransProxyPort);
-		script.append(" -j ACCEPT");
-
-		executeCommand (script.toString());
-		script = new StringBuilder();
-		
-		//allow access to local HTTP port
-		script.append(ipTablesPath);
-		script.append(" -t filter");
-		script.append(action).append(srcChainName);
-		script.append(" -p tcp");
-		script.append(" -m tcp");
-		script.append(" --dport ").append(mTorService.getHTTPPort());
-		script.append(" -j ACCEPT");
-
-		executeCommand (script.toString());
-		script = new StringBuilder();
-		
-		//allow access to local SOCKS port
-		script.append(ipTablesPath);
-		script.append(" -t filter");
-		script.append(action).append(srcChainName);
-		script.append(" -p tcp");
-		script.append(" -m tcp");
-		script.append(" --dport ").append(mTorService.getSOCKSPort());
-		script.append(" -j ACCEPT");
-
-		executeCommand (script.toString());
-		script = new StringBuilder();
-		
-		//allow access to local DNS port
-		script.append(ipTablesPath);
-		script.append(" -t filter");
-		script.append(action).append(srcChainName);
-		script.append(" -p udp");
-		script.append(" -m udp");
-		script.append(" --dport ").append(mDNSPort);
-		script.append(" -j ACCEPT");
-
-		executeCommand (script.toString());
-		script = new StringBuilder();
-		
-		// Reject all other packets
-		script.append(ipTablesPath);
-		script.append(" -t filter");
-		script.append(action).append(srcChainName);
-		script.append(" -m owner ! --uid-owner ");
-		script.append(torUid);
-		script.append(ALLOW_LOCAL); //allow access to localhost
-		script.append(" -j REJECT");
-
-		int lastExit = executeCommand (script.toString());
-		
-	//	fixTransproxyLeak (context);
-		
-    	return lastExit;
-	}
-
-
-	public static ArrayList<TorifiedApp> getApps (Context context, SharedPreferences prefs)
-	{
-
-		String tordAppString = prefs.getString(OrbotConstants.PREFS_KEY_TORIFIED, "");
-		String[] tordApps;
-
-		StringTokenizer st = new StringTokenizer(tordAppString,"|");
-		tordApps = new String[st.countTokens()];
-		int tordIdx = 0;
-		while (st.hasMoreTokens())
-		{
-			tordApps[tordIdx++] = st.nextToken();
-		}
-
-		Arrays.sort(tordApps);
-
-		//else load the apps up
-		PackageManager pMgr = context.getPackageManager();
-
-		List<ApplicationInfo> lAppInfo = pMgr.getInstalledApplications(0);
-
-		Iterator<ApplicationInfo> itAppInfo = lAppInfo.iterator();
-
-		ArrayList<TorifiedApp> apps = new ArrayList<TorifiedApp>();
-
-		ApplicationInfo aInfo = null;
-
-		int appIdx = 0;
-		TorifiedApp app = null;
-
-		while (itAppInfo.hasNext())
-		{
-			aInfo = itAppInfo.next();
-
-			app = new TorifiedApp();
-
-			try {
-				PackageInfo pInfo = pMgr.getPackageInfo(aInfo.packageName, PackageManager.GET_PERMISSIONS);
-
-				if (pInfo != null && pInfo.requestedPermissions != null)
-				{
-					for (String permInfo:pInfo.requestedPermissions)
-					{
-						if (permInfo.equals("android.permission.INTERNET"))
-						{
-							app.setUsesInternet(true);
-
-						}
-					}
-
-				}
-
-
-			} catch (Exception e) {
-				// TODO Auto-generated catch block
-				e.printStackTrace();
-			}
-
-			if ((aInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 1)
-			{
-				//System app
-				app.setUsesInternet(true);
-			}
-
-
-			if (!app.usesInternet())
-				continue;
-			else
-			{
-				apps.add(app);
-			}
-
-
-			app.setEnabled(aInfo.enabled);
-			app.setUid(aInfo.uid);
-			app.setUsername(pMgr.getNameForUid(app.getUid()));
-			app.setProcname(aInfo.processName);
-			app.setPackageName(aInfo.packageName);
-
-			try
-			{
-				app.setName(pMgr.getApplicationLabel(aInfo).toString());
-			}
-			catch (Exception e)
-			{
-				app.setName(aInfo.packageName);
-			}
-
-
-			//app.setIcon(pMgr.getApplicationIcon(aInfo));
-
-			// check if this application is allowed
-			if (Arrays.binarySearch(tordApps, app.getUsername()) >= 0) {
-				app.setTorified(true);
-			}
-			else
-			{
-				app.setTorified(false);
-			}
-
-			appIdx++;
-		}
-
-		Collections.sort(apps);
-
-		return apps;
-	}
-
-}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/TorifiedApp.java b/orbotservice/src/main/java/org/torproject/android/service/TorifiedApp.java
deleted file mode 100644
index bcadbae..0000000
--- a/orbotservice/src/main/java/org/torproject/android/service/TorifiedApp.java
+++ /dev/null
@@ -1,139 +0,0 @@
-package org.torproject.android.service;
-
-import android.graphics.drawable.Drawable;
-
-public class TorifiedApp implements Comparable {
-
-	private boolean enabled;
-	private int uid;
-	private String username;
-	private String procname;
-	private String name;
-	private Drawable icon;
-	private String packageName;
-	
-	private boolean torified = false;
-	private boolean usesInternet = false;
-	
-	public boolean usesInternet() {
-		return usesInternet;
-	}
-	public void setUsesInternet(boolean usesInternet) {
-		this.usesInternet = usesInternet;
-	}
-	/**
-	 * @return the torified
-	 */
-	public boolean isTorified() {
-		return torified;
-	}
-	/**
-	 * @param torified the torified to set
-	 */
-	public void setTorified(boolean torified) {
-		this.torified = torified;
-	}
-	private int[] enabledPorts;
-	
-	/**
-	 * @return the enabledPorts
-	 */
-	public int[] getEnabledPorts() {
-		return enabledPorts;
-	}
-	/**
-	 * @param enabledPorts the enabledPorts to set
-	 */
-	public void setEnabledPorts(int[] enabledPorts) {
-		this.enabledPorts = enabledPorts;
-	}
-	/**
-	 * @return the enabled
-	 */
-	public boolean isEnabled() {
-		return enabled;
-	}
-	/**
-	 * @param enabled the enabled to set
-	 */
-	public void setEnabled(boolean enabled) {
-		this.enabled = enabled;
-	}
-	/**
-	 * @return the uid
-	 */
-	public int getUid() {
-		return uid;
-	}
-	/**
-	 * @param uid the uid to set
-	 */
-	public void setUid(int uid) {
-		this.uid = uid;
-	}
-	/**
-	 * @return the username
-	 */
-	public String getUsername() {
-		return username;
-	}
-	/**
-	 * @param username the username to set
-	 */
-	public void setUsername(String username) {
-		this.username = username;
-	}
-	/**
-	 * @return the procname
-	 */
-	public String getProcname() {
-		return procname;
-	}
-	/**
-	 * @param procname the procname to set
-	 */
-	public void setProcname(String procname) {
-		this.procname = procname;
-	}
-	/**
-	 * @return the name
-	 */
-	public String getName() {
-		return name;
-	}
-	/**
-	 * @param name the name to set
-	 */
-	public void setName(String name) {
-		this.name = name;
-	}
-	
-
-	public Drawable getIcon() {
-		return icon;
-	}
-	
-	public void setIcon(Drawable icon) {
-		this.icon = icon;
-	}
-	
-	@Override
-	public int compareTo(Object another) {
-		
-		return this.toString().compareTo(another.toString());
-	}
-	
-	@Override
-	public String toString ()
-	{
-		return getName();
-	}
-	
-
-	public String getPackageName() {
-		return packageName;
-	}
-	public void setPackageName(String packageName) {
-		this.packageName = packageName;
-	}
-}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/Utils.java b/orbotservice/src/main/java/org/torproject/android/service/Utils.java
deleted file mode 100644
index a89e03f..0000000
--- a/orbotservice/src/main/java/org/torproject/android/service/Utils.java
+++ /dev/null
@@ -1,100 +0,0 @@
-/* Copyright (c) 2009, Nathan Freitas, Orbot / The Guardian Project - http://openideals.com/guardian */
-/* See LICENSE for licensing information */
-
-
-package org.torproject.android.service;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-
-public class Utils {
-
-
-	 public static String readString (InputStream stream)
-	    {
-	    	String line = null;
-	    
-	    	StringBuffer out = new StringBuffer();
-	    	
-	    	try {
-		    	BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
-
-				while ((line = reader.readLine()) != null)
-				{
-					out.append(line);
-					out.append('\n');
-					
-				}
-			} catch (IOException e) {
-				// TODO Auto-generated catch block
-				e.printStackTrace();
-			}
-			
-			return out.toString();
-	    	
-	    }
-	/*
-	 * Load the log file text
-	 */
-	 public static String loadTextFile (String path)
-	    {
-	    	String line = null;
-	    
-	    	StringBuffer out = new StringBuffer();
-	    	
-	    	try {
-		    	BufferedReader reader = new BufferedReader((new FileReader(new File(path))));
-
-				while ((line = reader.readLine()) != null)
-				{
-					out.append(line);
-					out.append('\n');
-					
-				}
-				
-				reader.close();
-			} catch (IOException e) {
-				// TODO Auto-generated catch block
-				e.printStackTrace();
-			}
-			
-			return out.toString();
-	    	
-	    }
-	 
-
-		/*
-		 * Load the log file text
-		 */
-		 public static boolean saveTextFile (String path, String contents)
-		    {
-			 	
-		    	try {
-		    		
-		    		 FileWriter writer = new FileWriter( path, false );
-                     writer.write( contents );
-                     
-                     writer.close();
-
-                     
-		    		
-		    		return true;
-			    	
-				} catch (IOException e) {
-				//	Log.d(TAG, "error writing file: " + path, e);
-						e.printStackTrace();
-					return false;
-				}
-				
-				
-		    	
-		    }
-	
-
-
-}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/transproxy/TorTransProxy.java b/orbotservice/src/main/java/org/torproject/android/service/transproxy/TorTransProxy.java
new file mode 100644
index 0000000..2aeb58d
--- /dev/null
+++ b/orbotservice/src/main/java/org/torproject/android/service/transproxy/TorTransProxy.java
@@ -0,0 +1,983 @@
+package org.torproject.android.service.transproxy;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+
+import org.torproject.android.service.OrbotConstants;
+import org.torproject.android.service.util.Prefs;
+import org.torproject.android.service.TorService;
+import org.torproject.android.service.TorServiceConstants;
+
+public class TorTransProxy implements TorServiceConstants {
+	
+	private String mSysIptables = null;
+	private TorService mTorService = null;
+	private File mFileXtables = null;
+	
+	private final static String ALLOW_LOCAL = " ! -d 127.0.0.1";
+
+	private int mTransProxyPort = TOR_TRANSPROXY_PORT_DEFAULT;
+	private int mDNSPort = TOR_DNS_PORT_DEFAULT;
+	
+	public TorTransProxy (TorService torService, File fileXTables)
+	{
+		mTorService = torService;
+		mFileXtables = fileXTables;	
+	}
+	
+	public void setTransProxyPort (int transProxyPort)
+	{
+		mTransProxyPort = transProxyPort;
+	}
+	
+	public void setDNSPort (int dnsPort)
+	{
+		mDNSPort = dnsPort;
+	}
+	
+	public String getIpTablesPath (Context context)
+	{
+
+		String ipTablesPath = null;
+
+		if (Prefs.useSystemIpTables())
+		{
+			ipTablesPath = findSystemIPTables();
+		}
+		else
+		{
+			ipTablesPath = mFileXtables.getAbsolutePath();
+			ipTablesPath += " iptables"; //append subcommand since we are using xtables now
+			
+		}
+			
+		return ipTablesPath;
+	}
+	
+	public String getIp6TablesPath (Context context)
+	{
+
+		String ipTablesPath = null;
+		
+		if (Prefs.useSystemIpTables())
+		{
+			ipTablesPath = findSystemIP6Tables();
+		}
+		else
+		{
+			ipTablesPath = mFileXtables.getAbsolutePath();
+			ipTablesPath += " ip6tables"; //append subcommand since we are using xtables now
+			
+		}
+			
+		return ipTablesPath;
+	
+	}
+	
+	private String findSystemIPTables ()
+	{
+		if (mSysIptables != null)
+		{
+			return mSysIptables;
+		}
+		else
+		{
+		
+			//if the user wants us to use the built-in iptables, then we have to find it
+			File fileIpt = new File("/system/xbin/iptables");
+			
+			if (fileIpt.exists())
+				mSysIptables = fileIpt.getAbsolutePath();
+			else
+			{
+			
+				fileIpt = new File("/system/bin/iptables");
+				
+				if (fileIpt.exists())
+					mSysIptables = fileIpt.getAbsolutePath();
+			}
+		}
+		
+		return mSysIptables;
+	}
+	
+
+	
+	private String findSystemIP6Tables ()
+	{
+		
+		//if the user wants us to use the built-in iptables, then we have to find it
+		File fileIpt = new File("/system/xbin/ip6tables");
+		
+		if (fileIpt.exists())
+			mSysIptables = fileIpt.getAbsolutePath();
+		else
+		{
+		
+			fileIpt = new File("/system/bin/ip6tables");
+			
+			if (fileIpt.exists())
+				mSysIptables = fileIpt.getAbsolutePath();
+		}
+		
+		
+		return mSysIptables;
+	}
+	
+	/*
+	public int flushIptablesAll(Context context) throws Exception {
+		
+		String ipTablesPath = getIpTablesPath(context);
+	
+    	final StringBuilder script = new StringBuilder();
+    	
+    	StringBuilder res = new StringBuilder();
+    	int code = -1;
+
+		script.append(ipTablesPath);
+		script.append(" -t nat");
+		script.append(" -F || exit\n");
+	
+		script.append(ipTablesPath);
+		script.append(" -t filter");
+		script.append(" -F || exit\n");
+    	
+    	String[] cmd = {script.toString()};	    	
+		code = TorServiceUtils.doShellCommand(cmd, res, true, true);		
+		String msg = res.toString();
+		
+		TorService.logMessage(cmd[0] + ";errCode=" + code + ";resp=" + msg);
+			
+		
+		return code;
+	
+	}*/
+	
+	/*
+	public static int purgeIptablesByApp(Context context, TorifiedApp[] apps) throws Exception {
+
+		//restoreDNSResolvConf(); //not working yet
+		
+		String ipTablesPath = new File(context.getDir("bin", 0),"iptables").getAbsolutePath();
+		
+    	final StringBuilder script = new StringBuilder();
+    	
+    	StringBuilder res = new StringBuilder();
+    	int code = -1;
+    	
+		for (int i = 0; i < apps.length; i++)
+		{
+			//flush nat for every app
+			script.append(ipTablesPath);
+			script.append(" -t nat -m owner --uid-owner ");
+			script.append(tApp.getUid());
+			script.append(" -F || exit\n");
+    public static ArrayList<TorifiedApp> getApps (Context context, SharedPreferences prefs)
+    {
+
+        String tordAppString = prefs.getString(PREFS_KEY_TORIFIED, "");
+        String[] tordApps;
+
+        StringTokenizer st = new StringTokenizer(tordAppString,"|");
+        tordApps = new String[st.countTokens()];
+        int tordIdx = 0;
+        while (st.hasMoreTokens())
+        {
+            tordApps[tordIdx++] = st.nextToken();
+        }
+
+        Arrays.sort(tordApps);
+
+        //else load the apps up
+        PackageManager pMgr = context.getPackageManager();
+
+        List<ApplicationInfo> lAppInfo = pMgr.getInstalledApplications(0);
+
+        Iterator<ApplicationInfo> itAppInfo = lAppInfo.iterator();
+
+        ArrayList<TorifiedApp> apps = new ArrayList<TorifiedApp>();
+
+        ApplicationInfo aInfo = null;
+
+        int appIdx = 0;
+        TorifiedApp app = null;
+
+        while (itAppInfo.hasNext())
+        {
+            aInfo = itAppInfo.next();
+
+            app = new TorifiedApp();
+
+            try {
+                PackageInfo pInfo = pMgr.getPackageInfo(aInfo.packageName, PackageManager.GET_PERMISSIONS);
+
+                if (pInfo != null && pInfo.requestedPermissions != null)
+                {
+                    for (String permInfo:pInfo.requestedPermissions)
+                    {
+                        if (permInfo.equals("android.permission.INTERNET"))
+                        {
+                            app.setUsesInternet(true);
+
+                        }
+                    }
+
+                }
+
+
+            } catch (Exception e) {
+                // TODO Auto-generated catch block
+                e.printStackTrace();
+            }
+
+            if ((aInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 1)
+            {
+                //System app
+                app.setUsesInternet(true);
+            }
+
+
+            if (!app.usesInternet())
+                continue;
+            else
+            {
+                apps.add(app);
+            }
+
+
+            app.setEnabled(aInfo.enabled);
+            app.setUid(aInfo.uid);
+            app.setUsername(pMgr.getNameForUid(app.getUid()));
+            app.setProcname(aInfo.processName);
+            app.setPackageName(aInfo.packageName);
+
+            try
+            {
+                app.setName(pMgr.getApplicationLabel(aInfo).toString());
+            }
+            catch (Exception e)
+            {
+                app.setName(aInfo.packageName);
+            }
+
+
+            //app.setIcon(pMgr.getApplicationIcon(aInfo));
+
+            // check if this application is allowed
+            if (Arrays.binarySearch(tordApps, app.getUsername()) >= 0) {
+                app.setTorified(true);
+            }
+            else
+            {
+                app.setTorified(false);
+            }
+
+            appIdx++;
+        }
+
+        Collections.sort(apps);
+
+        return apps;
+    }
+
+		
+			script.append(ipTablesPath);
+			script.append(" -t filter -m owner --uid-owner ");
+			script.append(tApp.getUid());
+			script.append(" -F || exit\n");
+				
+		}
+		
+    	
+    	String[] cmd = {script.toString()};	    	
+		code = TorServiceUtils.doShellCommand(cmd, res, true, true);		
+		String msg = res.toString();
+		logNotice(cmd[0] + ";errCode=" + code + ";resp=" + msg);
+			
+		
+		return code;
+		
+	}*/
+	
+	
+	/*
+	 // 9/19/2010 - NF This code is in process... /etc path on System partition
+	 // is read-only on Android for now.
+	public static int redirectDNSResolvConf () throws Exception
+	{
+    	StringBuilder script = new StringBuilder();
+    	StringBuilder res = new StringBuilder();
+    	int code = -1;
+    	
+		//mv resolv.conf to resolve.conf.bak
+		String cmd = "mv /etc/resolv.conf /etc/resolv.conf.bak";
+		script.append(cmd);
+		
+		//create new resolve.conf pointing to localhost/127.0.0.1
+		cmd = "echo \"nameserver 127.0.0.1\" > /etc/resolv.conf";
+		script.append(cmd);
+		
+		String[] cmdFlush = {script.toString()};
+		code = TorServiceUtils.doShellCommand(cmdFlush, res, true, true);
+		//String msg = res.toString(); //get stdout from command
+		
+		
+		return code;
+	}
+	
+	public static int restoreDNSResolvConf () throws Exception
+	{
+		StringBuilder script = new StringBuilder();
+    	StringBuilder res = new StringBuilder();
+    	int code = -1;
+    	
+		//mv resolv.conf to resolve.conf.bak
+		String cmd = "mv /etc/resolv.conf.bak /etc/resolv.conf";
+		script.append(cmd);
+		script.append(" || exit\n");
+		
+		String[] cmdFlush = {script.toString()};
+		code = TorServiceUtils.doShellCommand(cmdFlush, res, true, true);
+		//String msg = res.toString(); //get stdout from command
+		
+		return code;
+	}
+	*/
+	/*
+	public int testOwnerModule(Context context, String ipTablesPath) throws Exception
+	{
+
+		TorBinaryInstaller.assertIpTablesBinaries(context, false);
+		
+		boolean runRoot = true;
+    	boolean waitFor = true;
+    	
+    	int torUid = context.getApplicationInfo().uid;
+
+    	StringBuilder script = new StringBuilder();
+    	
+    	StringBuilder res = new StringBuilder();
+    	int code = -1;
+    	
+    	// Allow everything for Tor
+		script.append(ipTablesPath);
+		script.append(" -A OUTPUT");
+		script.append(" -t filter");
+		script.append(" -m owner --uid-owner ");
+		script.append(torUid);
+		script.append(" -j ACCEPT");
+		script.append(" || exit\n");
+		
+		script.append(ipTablesPath);
+		script.append(" -D OUTPUT");
+		script.append(" -t filter");
+		script.append(" -m owner --uid-owner ");
+		script.append(torUid);
+		script.append(" -j ACCEPT");
+		script.append(" || exit\n");
+		
+		String[] cmdAdd = {script.toString()};    	
+    	
+		code = TorServiceUtils.doShellCommand(cmdAdd, res, runRoot, waitFor);
+		String msg = res.toString();
+		
+		if (mTorService != null)
+		logMessage(cmdAdd[0] + ";errCode=" + code + ";resp=" + msg);
+		
+		
+		return code;
+    }	
+	*/
+	
+	/*
+	public int clearTransparentProxyingByApp (Context context, ArrayList<TorifiedApp> apps) throws Exception
+	{
+		boolean runRoot = true;
+    	boolean waitFor = true;
+    	
+		String ipTablesPath = getIpTablesPath(context);
+		
+    	StringBuilder script = new StringBuilder();
+    	
+    	StringBuilder res = new StringBuilder();
+    	int code = -1;
+    	
+    	String chainName = "ORBOT";
+		String jumpChainName = "OUTPUT";
+		
+		script.append(ipTablesPath);
+    	script.append(" --flush ").append(chainName); //delete previous user-defined chain
+    	script.append(" || exit\n");
+    	
+		script.append(ipTablesPath);
+    	script.append(" -D ").append(jumpChainName);
+    	script.append(" -j ").append(chainName);
+    	script.append(" || exit\n");
+    	
+    	script.append(ipTablesPath);
+    	script.append(" -X ").append(chainName); //delete previous user-defined chain
+    	script.append(" || exit\n");
+
+		String[] cmdAdd = {script.toString()};    	
+    		
+		code = TorServiceUtils.doShellCommand(cmdAdd, res, runRoot, waitFor);
+		String msg = res.toString();
+		
+		logMessage(cmdAdd[0] + ";errCode=" + code + ";resp=" + msg);
+		
+		return code;
+	}*/
+	
+	public int setTransparentProxyingByApp(Context context, ArrayList<TorifiedApp> apps, boolean enableRule) throws Exception
+	{
+		String ipTablesPath = getIpTablesPath(context);
+		
+    	//StringBuilder script = new StringBuilder();
+    	
+		String action = " -A ";
+    	String srcChainName = "OUTPUT";
+
+		if (!enableRule)
+			action = " -D ";
+		
+    	//run the delete commands in a separate process as it might error out
+    	//String[] cmdExecClear = {script.toString()};    	    	
+		//code = TorServiceUtils.doShellCommand(cmdExecClear, res, runRoot, waitFor);
+		
+		//reset script
+		
+    	int lastExit = -1;
+    	StringBuilder script;    	
+    	
+
+		// Same for DNS
+		script = new StringBuilder();
+		script.append(ipTablesPath);
+		script.append(" -t nat");
+		script.append(action).append(srcChainName);
+		script.append(" -p udp");
+		//script.append(" -m owner --uid-owner ");
+		//script.append(tApp.getUid());
+		//script.append(" -m udp --dport "); 
+		script.append(" --dport ");
+		script.append(STANDARD_DNS_PORT);
+		script.append(" -j REDIRECT --to-ports ");
+		script.append(mDNSPort);
+		executeCommand (script.toString());
+		
+    	// Allow everything for Tor
+    	
+		//build up array of shell cmds to execute under one root context
+		for (TorifiedApp tApp:apps)
+		{
+
+			if (((!enableRule) || tApp.isTorified())
+					&& (!tApp.getUsername().equals(TOR_APP_USERNAME))
+					) //if app is set to true
+			{
+				
+				
+				logMessage("transproxy for app: " + tApp.getUsername() + " (" + tApp.getUid() + "): enable=" + enableRule);
+				
+				dropAllIPv6Traffic(context, tApp.getUid(),enableRule);
+				
+		    	script = new StringBuilder();
+
+				// Allow loopback
+		    	/**
+				script.append(ipTablesPath);
+				script.append(" -t filter");
+		        script.append(action).append(srcChainName);
+				script.append(" -m owner --uid-owner ");
+				script.append(tApp.getUid());
+				script.append(" -o lo");
+				script.append(" -j ACCEPT");
+
+				executeCommand (shell, script.toString());
+				script = new StringBuilder();
+				**/
+				
+				// Set up port redirection
+		    	script.append(ipTablesPath);
+		    	script.append(" -t nat");
+		    	script.append(action).append(srcChainName);				
+				script.append(" -p tcp");
+				script.append(ALLOW_LOCAL);
+				script.append(" -m owner --uid-owner ");
+				script.append(tApp.getUid());
+				script.append(" -m tcp --syn");
+				script.append(" -j REDIRECT --to-ports ");
+				script.append(mTransProxyPort);
+				
+				executeCommand (script.toString());
+				
+				
+				script = new StringBuilder();
+				
+				// Reject all other outbound packets
+				script.append(ipTablesPath);
+				script.append(" -t filter");
+		        script.append(action).append(srcChainName);
+				script.append(" -m owner --uid-owner ");
+				script.append(tApp.getUid());				
+				script.append(ALLOW_LOCAL);
+				script.append(" -j REJECT");
+
+				lastExit = executeCommand (script.toString());
+				
+		
+			}		
+		}		
+		
+		return lastExit;
+    }	
+	
+	private int executeCommand (String cmdString) throws Exception {
+
+		Process proc = Runtime.getRuntime().exec(cmdString);
+		proc.waitFor();
+		int exitCode = proc.exitValue();
+		//String output = cmd.getOutput();
+
+		
+		logMessage(cmdString + "; exit=" + exitCode);
+		
+		return exitCode;
+	}
+	
+	
+	public int enableTetheringRules (Context context) throws Exception
+	{
+		
+		String ipTablesPath = getIpTablesPath(context);
+		
+    	StringBuilder script = new StringBuilder();
+    
+    	String[] hwinterfaces = {"usb0","wl0.1"};
+    	
+    	
+    	int lastExit = -1;
+    	
+    	for (int i = 0; i < hwinterfaces.length; i++)
+    	{
+
+			script = new StringBuilder();
+	    	script.append(ipTablesPath);
+			script.append(" -t nat -A PREROUTING -i ");
+			script.append(hwinterfaces[i]);
+			script.append(" -p udp --dport 53 -j REDIRECT --to-ports ");
+			script.append(mDNSPort);
+			
+			executeCommand (script.toString());
+			script = new StringBuilder();
+			
+			
+			script = new StringBuilder();
+			script.append(ipTablesPath);
+			script.append(" -t nat -A PREROUTING -i ");
+			script.append(hwinterfaces[i]);
+			script.append(" -p tcp -j REDIRECT --to-ports ");
+			script.append(mTransProxyPort);
+			
+			lastExit = executeCommand (script.toString());
+			script = new StringBuilder();
+			
+			
+    	}
+    	
+		return lastExit;
+	}
+	
+	private void logMessage (String msg)
+	{
+		if (mTorService != null)
+			mTorService.debug(msg);
+	}
+	
+
+	
+	public int fixTransproxyLeak (Context context) throws Exception
+	{
+		String ipTablesPath = getIpTablesPath(context);
+		
+    	StringBuilder script = new StringBuilder();
+    	script.append(ipTablesPath);
+		script.append(" -I OUTPUT ! -o lo ! -d 127.0.0.1 ! -s 127.0.0.1 -p tcp -m tcp --tcp-flags ACK,FIN ACK,FIN -j DROP");
+		
+		executeCommand (script.toString());
+		script = new StringBuilder();
+		
+		script = new StringBuilder();
+		script.append(ipTablesPath);
+		script.append(" -I OUTPUT ! -o lo ! -d 127.0.0.1 ! -s 127.0.0.1 -p tcp -m tcp --tcp-flags ACK,RST ACK,RST -j DROP");
+		
+		int lastExit = executeCommand (script.toString());
+		script = new StringBuilder();
+		
+		return lastExit;
+		 
+	}
+	
+	public int dropAllIPv6Traffic (Context context, int appUid, boolean enableDrop) throws Exception {
+
+		String action = " -A ";
+		String chain = "OUTPUT";
+		
+		if (!enableDrop)
+			action = " -D ";
+		
+		String ip6tablesPath = getIp6TablesPath(context);
+    	
+    	StringBuilder script;
+
+		script = new StringBuilder();
+		script.append(ip6tablesPath);			
+		script.append(action);
+		script.append(chain);
+
+		if (appUid != -1)
+		{
+			script.append(" -m owner --uid-owner ");
+			script.append(appUid);	
+		}
+		
+		script.append(" -j DROP");
+		
+		int lastExit = executeCommand (script.toString());
+		
+		return lastExit;
+	}
+	
+	/*
+	public int clearAllIPv6Filters (Context context) throws Exception
+	{
+
+		String ip6tablesPath = getIp6TablesPath(context);
+		Shell shell = Shell.startRootShell();
+    	
+    	StringBuilder script;
+
+		script = new StringBuilder();
+		script.append(ip6tablesPath);			
+		script.append(" -t filter");
+		script.append(" -F OUTPUT");
+		int lastExit = executeCommand (shell, script.toString());
+		
+		shell.close();
+		
+		return lastExit;
+	}*/
+	
+	public int flushTransproxyRules (Context context) throws Exception {
+		int exit = -1;
+		
+		String ipTablesPath = getIpTablesPath(context);
+
+		StringBuilder script = new StringBuilder();
+		script.append(ipTablesPath);			
+		script.append(" -t nat ");
+		script.append(" -F ");
+		
+    	executeCommand (script.toString());
+		
+		script = new StringBuilder();
+		script.append(ipTablesPath);			
+		script.append(" -t filter ");
+		script.append(" -F ");
+		executeCommand (script.toString());
+		
+		dropAllIPv6Traffic(context,-1,false);
+		dropAllIPv6Traffic(context,-1,false);
+
+		
+		return exit;
+	}
+	
+	public int setTransparentProxyingAll(Context context, boolean enable) throws Exception
+	{
+	  	
+		String action = " -A ";
+    	String srcChainName = "OUTPUT";
+
+		if (!enable)
+			action = " -D ";
+
+		dropAllIPv6Traffic(context,-1,enable);
+		
+		String ipTablesPath = getIpTablesPath(context);
+		
+    	
+    	int torUid = context.getApplicationInfo().uid;
+    	
+    	StringBuilder script = new StringBuilder();
+    	
+		// Allow everything for Tor
+    	
+		script.append(ipTablesPath);			
+		script.append(" -t nat");
+		script.append(action).append(srcChainName);
+		script.append(" -m owner --uid-owner ");
+		script.append(torUid);
+		script.append(" -j ACCEPT");
+		
+		executeCommand (script.toString());
+		script = new StringBuilder();
+
+		// Allow loopback
+		
+		script.append(ipTablesPath);
+		script.append(" -t nat");
+		script.append(action).append(srcChainName);
+		script.append(" -o lo");
+		script.append(" -j ACCEPT");
+
+		executeCommand (script.toString());
+		script = new StringBuilder();
+		
+    	// Set up port redirection    	
+		script.append(ipTablesPath);		
+		script.append(" -t nat");
+		script.append(action).append(srcChainName);
+		script.append(" -p tcp");
+		script.append(ALLOW_LOCAL); //allow access to localhost
+		script.append(" -m owner ! --uid-owner ");
+		script.append(torUid);
+		script.append(" -m tcp --syn");
+		script.append(" -j REDIRECT --to-ports ");
+		script.append(mTransProxyPort);
+
+		executeCommand (script.toString());
+		script = new StringBuilder();
+		
+		// Same for DNS
+		script.append(ipTablesPath);
+		script.append(" -t nat");
+		script.append(action).append(srcChainName);
+		script.append(" -p udp");
+		script.append(ALLOW_LOCAL); //allow access to localhost
+		script.append(" -m owner ! --uid-owner ");
+		script.append(torUid);
+		//script.append(" -m udp --dport "); 
+		script.append(" --dport ");
+		script.append(STANDARD_DNS_PORT);
+		script.append(" -j REDIRECT --to-ports ");
+		script.append(mDNSPort);
+
+		executeCommand (script.toString());
+		script = new StringBuilder();
+		
+		
+		if (Prefs.useDebugLogging())
+		{
+			//XXX: Comment the following rules for non-debug builds
+			script.append(ipTablesPath);			
+			script.append(" -t filter");
+			script.append(action).append(srcChainName);
+			script.append(" -p udp");
+			script.append(" --dport ");
+			script.append(STANDARD_DNS_PORT);
+			script.append(" -j LOG");
+			script.append(" --log-prefix='ORBOT_DNSLEAK_PROTECTION'");
+			script.append(" --log-uid");
+
+			executeCommand (script.toString());
+			script = new StringBuilder();
+			
+			script.append(ipTablesPath);			
+			script.append(" -t filter");
+			script.append(action).append(srcChainName);
+	    	script.append(" -p tcp");
+			script.append(" -j LOG");
+			script.append(" --log-prefix='ORBOT_TCPLEAK_PROTECTION'");
+			script.append(" --log-uid");
+
+			executeCommand (script.toString());
+			script = new StringBuilder();
+			
+		}
+
+		//allow access to transproxy port
+		script.append(ipTablesPath);
+		script.append(" -t filter");
+		script.append(action).append(srcChainName);
+		script.append(" -p tcp");
+		script.append(" -m tcp");
+		script.append(" --dport ").append(mTransProxyPort);
+		script.append(" -j ACCEPT");
+
+		executeCommand (script.toString());
+		script = new StringBuilder();
+		
+		//allow access to local HTTP port
+		script.append(ipTablesPath);
+		script.append(" -t filter");
+		script.append(action).append(srcChainName);
+		script.append(" -p tcp");
+		script.append(" -m tcp");
+		script.append(" --dport ").append(mTorService.getHTTPPort());
+		script.append(" -j ACCEPT");
+
+		executeCommand (script.toString());
+		script = new StringBuilder();
+		
+		//allow access to local SOCKS port
+		script.append(ipTablesPath);
+		script.append(" -t filter");
+		script.append(action).append(srcChainName);
+		script.append(" -p tcp");
+		script.append(" -m tcp");
+		script.append(" --dport ").append(mTorService.getSOCKSPort());
+		script.append(" -j ACCEPT");
+
+		executeCommand (script.toString());
+		script = new StringBuilder();
+		
+		//allow access to local DNS port
+		script.append(ipTablesPath);
+		script.append(" -t filter");
+		script.append(action).append(srcChainName);
+		script.append(" -p udp");
+		script.append(" -m udp");
+		script.append(" --dport ").append(mDNSPort);
+		script.append(" -j ACCEPT");
+
+		executeCommand (script.toString());
+		script = new StringBuilder();
+		
+		// Reject all other packets
+		script.append(ipTablesPath);
+		script.append(" -t filter");
+		script.append(action).append(srcChainName);
+		script.append(" -m owner ! --uid-owner ");
+		script.append(torUid);
+		script.append(ALLOW_LOCAL); //allow access to localhost
+		script.append(" -j REJECT");
+
+		int lastExit = executeCommand (script.toString());
+		
+	//	fixTransproxyLeak (context);
+		
+    	return lastExit;
+	}
+
+
+	public static ArrayList<TorifiedApp> getApps (Context context, SharedPreferences prefs)
+	{
+
+		String tordAppString = prefs.getString(OrbotConstants.PREFS_KEY_TORIFIED, "");
+		String[] tordApps;
+
+		StringTokenizer st = new StringTokenizer(tordAppString,"|");
+		tordApps = new String[st.countTokens()];
+		int tordIdx = 0;
+		while (st.hasMoreTokens())
+		{
+			tordApps[tordIdx++] = st.nextToken();
+		}
+
+		Arrays.sort(tordApps);
+
+		//else load the apps up
+		PackageManager pMgr = context.getPackageManager();
+
+		List<ApplicationInfo> lAppInfo = pMgr.getInstalledApplications(0);
+
+		Iterator<ApplicationInfo> itAppInfo = lAppInfo.iterator();
+
+		ArrayList<TorifiedApp> apps = new ArrayList<TorifiedApp>();
+
+		ApplicationInfo aInfo = null;
+
+		int appIdx = 0;
+		TorifiedApp app = null;
+
+		while (itAppInfo.hasNext())
+		{
+			aInfo = itAppInfo.next();
+
+			app = new TorifiedApp();
+
+			try {
+				PackageInfo pInfo = pMgr.getPackageInfo(aInfo.packageName, PackageManager.GET_PERMISSIONS);
+
+				if (pInfo != null && pInfo.requestedPermissions != null)
+				{
+					for (String permInfo:pInfo.requestedPermissions)
+					{
+						if (permInfo.equals("android.permission.INTERNET"))
+						{
+							app.setUsesInternet(true);
+
+						}
+					}
+
+				}
+
+
+			} catch (Exception e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+
+			if ((aInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 1)
+			{
+				//System app
+				app.setUsesInternet(true);
+			}
+
+
+			if (!app.usesInternet())
+				continue;
+			else
+			{
+				apps.add(app);
+			}
+
+
+			app.setEnabled(aInfo.enabled);
+			app.setUid(aInfo.uid);
+			app.setUsername(pMgr.getNameForUid(app.getUid()));
+			app.setProcname(aInfo.processName);
+			app.setPackageName(aInfo.packageName);
+
+			try
+			{
+				app.setName(pMgr.getApplicationLabel(aInfo).toString());
+			}
+			catch (Exception e)
+			{
+				app.setName(aInfo.packageName);
+			}
+
+
+			//app.setIcon(pMgr.getApplicationIcon(aInfo));
+
+			// check if this application is allowed
+			if (Arrays.binarySearch(tordApps, app.getUsername()) >= 0) {
+				app.setTorified(true);
+			}
+			else
+			{
+				app.setTorified(false);
+			}
+
+			appIdx++;
+		}
+
+		Collections.sort(apps);
+
+		return apps;
+	}
+
+}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/transproxy/TorifiedApp.java b/orbotservice/src/main/java/org/torproject/android/service/transproxy/TorifiedApp.java
new file mode 100644
index 0000000..1ca5a12
--- /dev/null
+++ b/orbotservice/src/main/java/org/torproject/android/service/transproxy/TorifiedApp.java
@@ -0,0 +1,139 @@
+package org.torproject.android.service.transproxy;
+
+import android.graphics.drawable.Drawable;
+
+public class TorifiedApp implements Comparable {
+
+	private boolean enabled;
+	private int uid;
+	private String username;
+	private String procname;
+	private String name;
+	private Drawable icon;
+	private String packageName;
+	
+	private boolean torified = false;
+	private boolean usesInternet = false;
+	
+	public boolean usesInternet() {
+		return usesInternet;
+	}
+	public void setUsesInternet(boolean usesInternet) {
+		this.usesInternet = usesInternet;
+	}
+	/**
+	 * @return the torified
+	 */
+	public boolean isTorified() {
+		return torified;
+	}
+	/**
+	 * @param torified the torified to set
+	 */
+	public void setTorified(boolean torified) {
+		this.torified = torified;
+	}
+	private int[] enabledPorts;
+	
+	/**
+	 * @return the enabledPorts
+	 */
+	public int[] getEnabledPorts() {
+		return enabledPorts;
+	}
+	/**
+	 * @param enabledPorts the enabledPorts to set
+	 */
+	public void setEnabledPorts(int[] enabledPorts) {
+		this.enabledPorts = enabledPorts;
+	}
+	/**
+	 * @return the enabled
+	 */
+	public boolean isEnabled() {
+		return enabled;
+	}
+	/**
+	 * @param enabled the enabled to set
+	 */
+	public void setEnabled(boolean enabled) {
+		this.enabled = enabled;
+	}
+	/**
+	 * @return the uid
+	 */
+	public int getUid() {
+		return uid;
+	}
+	/**
+	 * @param uid the uid to set
+	 */
+	public void setUid(int uid) {
+		this.uid = uid;
+	}
+	/**
+	 * @return the username
+	 */
+	public String getUsername() {
+		return username;
+	}
+	/**
+	 * @param username the username to set
+	 */
+	public void setUsername(String username) {
+		this.username = username;
+	}
+	/**
+	 * @return the procname
+	 */
+	public String getProcname() {
+		return procname;
+	}
+	/**
+	 * @param procname the procname to set
+	 */
+	public void setProcname(String procname) {
+		this.procname = procname;
+	}
+	/**
+	 * @return the name
+	 */
+	public String getName() {
+		return name;
+	}
+	/**
+	 * @param name the name to set
+	 */
+	public void setName(String name) {
+		this.name = name;
+	}
+	
+
+	public Drawable getIcon() {
+		return icon;
+	}
+	
+	public void setIcon(Drawable icon) {
+		this.icon = icon;
+	}
+	
+	@Override
+	public int compareTo(Object another) {
+		
+		return this.toString().compareTo(another.toString());
+	}
+	
+	@Override
+	public String toString ()
+	{
+		return getName();
+	}
+	
+
+	public String getPackageName() {
+		return packageName;
+	}
+	public void setPackageName(String packageName) {
+		this.packageName = packageName;
+	}
+}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/util/DummyActivity.java b/orbotservice/src/main/java/org/torproject/android/service/util/DummyActivity.java
new file mode 100644
index 0000000..20804b9
--- /dev/null
+++ b/orbotservice/src/main/java/org/torproject/android/service/util/DummyActivity.java
@@ -0,0 +1,15 @@
+package org.torproject.android.service.util;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+/*
+ * To combat background service being stopped/swiped
+ */
+public class DummyActivity extends Activity {
+	@Override
+	public void onCreate( Bundle icicle ) {
+		super.onCreate( icicle );
+		finish();
+	}
+}
\ No newline at end of file
diff --git a/orbotservice/src/main/java/org/torproject/android/service/util/Prefs.java b/orbotservice/src/main/java/org/torproject/android/service/util/Prefs.java
new file mode 100644
index 0000000..38f2399
--- /dev/null
+++ b/orbotservice/src/main/java/org/torproject/android/service/util/Prefs.java
@@ -0,0 +1,132 @@
+
+package org.torproject.android.service.util;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
+import java.util.Locale;
+
+public class Prefs {
+
+    private final static String PREF_BRIDGES_ENABLED = "pref_bridges_enabled";
+    private final static String PREF_BRIDGES_LIST = "pref_bridges_list";
+    private final static String PREF_DEFAULT_LOCALE = "pref_default_locale";
+    private final static String PREF_ENABLE_LOGGING = "pref_enable_logging";
+    private final static String PREF_EXPANDED_NOTIFICATIONS = "pref_expanded_notifications";
+    private final static String PREF_HAS_ROOT = "has_root";
+    private final static String PREF_PERSIST_NOTIFICATIONS = "pref_persistent_notifications";
+    private final static String PREF_START_ON_BOOT = "pref_start_boot";
+    private final static String PREF_ALLOW_BACKGROUND_STARTS = "pref_allow_background_starts";
+    private final static String PREF_TRANSPARENT = "pref_transparent";
+    private final static String PREF_TRANSPARENT_ALL = "pref_transparent_all";
+    private final static String PREF_TRANSPARENT_TETHERING = "pref_transparent_tethering";
+    private final static String PREF_TRANSPROXY_REFRESH = "pref_transproxy_refresh";
+    private final static String PREF_USE_SYSTEM_IPTABLES = "pref_use_sys_iptables";
+    private final static String PREF_USE_VPN = "pref_vpn";
+    private final static String PREF_EXIT_NODES = "pref_exit_nodes";
+    
+    private static SharedPreferences prefs;
+
+    public static void setContext(Context context) {
+        if (prefs == null)
+            prefs = TorServiceUtils.getSharedPrefs(context);
+    }
+
+    private static void putBoolean(String key, boolean value) {
+        prefs.edit().putBoolean(key, value).apply();
+    }
+
+    private static void putString(String key, String value) {
+        prefs.edit().putString(key, value).apply();
+    }
+
+    public static boolean bridgesEnabled() {
+        return prefs.getBoolean(PREF_BRIDGES_ENABLED, false);
+    }
+
+    public static void putBridgesEnabled(boolean value) {
+        putBoolean(PREF_BRIDGES_ENABLED, value);
+    }
+
+    public static String getBridgesList() {
+        return prefs.getString(PREF_BRIDGES_LIST, "");
+    }
+
+    public static void setBridgesList(String value) {
+        putString(PREF_BRIDGES_LIST, value);
+    }
+
+    public static String getDefaultLocale() {
+        return prefs.getString(PREF_DEFAULT_LOCALE, Locale.getDefault().getLanguage());
+    }
+
+    public static void setDefaultLocale(String value) {
+        putString(PREF_DEFAULT_LOCALE, value);
+    }
+
+    public static boolean useSystemIpTables() {
+        return prefs.getBoolean(PREF_USE_SYSTEM_IPTABLES, false);
+    }
+
+    public static boolean useRoot() {
+        return prefs.getBoolean(PREF_HAS_ROOT, false);
+    }
+
+    public static boolean useTransparentProxying() {
+        return prefs.getBoolean(PREF_TRANSPARENT, false);
+    }
+
+    public static boolean transparentProxyAll() {
+        return prefs.getBoolean(PREF_TRANSPARENT_ALL, false);
+    }
+
+    public static boolean transparentTethering() {
+        return prefs.getBoolean(PREF_TRANSPARENT_TETHERING, false);
+    }
+
+    public static boolean transProxyNetworkRefresh() {
+        return prefs.getBoolean(PREF_TRANSPROXY_REFRESH, false);
+    }
+
+    public static boolean expandedNotifications() {
+        return prefs.getBoolean(PREF_EXPANDED_NOTIFICATIONS, false);
+    }
+
+    public static boolean useDebugLogging() {
+        return prefs.getBoolean(PREF_ENABLE_LOGGING, false);
+    }
+
+    public static boolean persistNotifications() {
+        return prefs.getBoolean(PREF_PERSIST_NOTIFICATIONS, true);
+    }
+
+    public static boolean allowBackgroundStarts() {
+        return prefs.getBoolean(PREF_ALLOW_BACKGROUND_STARTS, true);
+    }
+
+    public static boolean useVpn() {
+        return prefs.getBoolean(PREF_USE_VPN, false);
+    }
+
+    public static void putUseVpn(boolean value) {
+        putBoolean(PREF_USE_VPN, value);
+    }
+
+    public static boolean startOnBoot() {
+        return prefs.getBoolean(PREF_START_ON_BOOT, true);
+    }
+
+    public static void putStartOnBoot(boolean value) {
+        putBoolean(PREF_START_ON_BOOT, value);
+    }
+    
+    public static String getExitNodes ()
+    {
+    	return prefs.getString(PREF_EXIT_NODES, "");
+    }
+    
+    public static void setExitNodes (String exits)
+    {
+    	putString(PREF_EXIT_NODES,exits);
+    }
+}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/util/TorResourceInstaller.java b/orbotservice/src/main/java/org/torproject/android/service/util/TorResourceInstaller.java
new file mode 100644
index 0000000..36369aa
--- /dev/null
+++ b/orbotservice/src/main/java/org/torproject/android/service/util/TorResourceInstaller.java
@@ -0,0 +1,344 @@
+/* Copyright (c) 2009, Nathan Freitas, Orbot / The Guardian Project - http://openideals.com/guardian */
+/* See LICENSE for licensing information */
+
+package org.torproject.android.service.util;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.io.StringBufferInputStream;
+import java.util.ArrayList;
+import java.util.concurrent.TimeoutException;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+import android.content.Context;
+import android.os.Build;
+import android.util.Log;
+
+import org.torproject.android.service.OrbotConstants;
+import org.torproject.android.service.R;
+import org.torproject.android.service.TorServiceConstants;
+
+public class TorResourceInstaller implements TorServiceConstants {
+
+    
+    File installFolder;
+    Context context;
+    
+    public TorResourceInstaller (Context context, File installFolder)
+    {
+        this.installFolder = installFolder;
+        
+        this.context = context;
+    }
+    
+    public void deleteDirectory(File file) {
+        if( file.exists() ) {
+            if (file.isDirectory()) {
+                File[] files = file.listFiles();
+                for(int i=0; i<files.length; i++) {
+                    if(files[i].isDirectory()) {
+                        deleteDirectory(files[i]);
+                    }
+                    else {
+                        files[i].delete();
+                    }
+                }
+            }
+                
+            file.delete();
+        }
+    }
+    
+    private final static String COMMAND_RM_FORCE = "rm -f ";
+    private final static String MP3_EXT = ".mp3";
+    //        
+    /*
+     * Extract the Tor resources from the APK file using ZIP
+     */
+    public boolean installResources () throws IOException, FileNotFoundException, TimeoutException
+    {
+        
+        InputStream is;
+        File outFile;
+
+        String cpuPath = "armeabi";
+            
+        if (Build.CPU_ABI.contains("x86"))
+        	cpuPath = "x86";
+
+        deleteDirectory(installFolder);
+        
+        installFolder.mkdirs();
+
+        is = context.getResources().openRawResource(R.raw.torrc);
+        outFile = new File(installFolder, TORRC_ASSET_KEY);
+        streamToFile(is,outFile, false, false);
+        
+        is = context.getResources().openRawResource(R.raw.torpolipo);
+        outFile = new File(installFolder, POLIPOCONFIG_ASSET_KEY);
+        streamToFile(is,outFile, false, false);
+
+        is = context.getAssets().open(cpuPath + '/' + OBFSCLIENT_ASSET_KEY + MP3_EXT);
+        outFile = new File(installFolder, OBFSCLIENT_ASSET_KEY);
+        streamToFile(is,outFile, false, true);
+        setExecutable(outFile);
+
+        is = context.getAssets().open(cpuPath + '/' + TOR_ASSET_KEY + MP3_EXT);
+        outFile = new File(installFolder, TOR_ASSET_KEY);
+        streamToFile(is,outFile, false, true);
+        setExecutable(outFile);
+    
+        is = context.getAssets().open(cpuPath + '/' + POLIPO_ASSET_KEY + MP3_EXT);
+        outFile = new File(installFolder, POLIPO_ASSET_KEY);
+        streamToFile(is,outFile, false, true);
+        setExecutable(outFile);
+    
+        is = context.getAssets().open(cpuPath + '/' + IPTABLES_ASSET_KEY + MP3_EXT);
+        outFile = new File(installFolder, IPTABLES_ASSET_KEY);
+        streamToFile(is,outFile, false, true);
+        setExecutable(outFile);
+        
+        is = context.getAssets().open(cpuPath + '/' + PDNSD_ASSET_KEY + MP3_EXT);
+        outFile = new File(installFolder, PDNSD_ASSET_KEY);
+        streamToFile(is,outFile, false, true);
+        setExecutable(outFile);
+        
+        installGeoIP();
+    
+        return true;
+    }
+    
+    public boolean updateTorConfigCustom (File fileTorRcCustom, String extraLines) throws IOException, FileNotFoundException, TimeoutException
+    {
+    	if (fileTorRcCustom.exists())
+    	{
+    		fileTorRcCustom.delete();
+    		Log.d("torResources","deleting existing torrc.custom");
+    	}
+    	else
+    		fileTorRcCustom.createNewFile();
+    	
+    	FileOutputStream fos = new FileOutputStream(fileTorRcCustom, false);
+    	PrintStream ps = new PrintStream(fos);
+    	ps.print(extraLines);
+    	ps.close();
+    	
+        return true;
+    }
+    
+    public boolean updatePolipoConfig (File filePolipo, String extraLines) throws IOException, FileNotFoundException, TimeoutException
+    {
+        
+        InputStream is;
+        
+
+        is = context.getResources().openRawResource(R.raw.torpolipo);        
+        streamToFile(is,filePolipo, false, false);
+
+        if (extraLines != null && extraLines.length() > 0)
+        {
+            StringBufferInputStream sbis = new StringBufferInputStream('\n' + extraLines + '\n');
+            streamToFile(sbis,filePolipo,true,false);
+        }
+        
+
+        return true;
+    }
+    
+    public boolean installPolipoConf () throws IOException, FileNotFoundException, TimeoutException
+    {
+        
+        InputStream is;
+        File outFile;
+        
+
+        is = context.getResources().openRawResource(R.raw.torpolipo);
+        outFile = new File(installFolder, POLIPOCONFIG_ASSET_KEY);
+        streamToFile(is,outFile, false, false);
+        
+        return true;
+    }
+    
+    /*
+     * Extract the Tor binary from the APK file using ZIP
+     */
+    
+    private boolean installGeoIP () throws IOException, FileNotFoundException
+    {
+        
+        InputStream is;
+        File outFile;
+        
+        outFile = new File(installFolder, GEOIP_ASSET_KEY);
+        is = context.getResources().openRawResource(R.raw.geoip);
+        streamToFile(is, outFile, false, true);
+        
+        is = context.getResources().openRawResource(R.raw.geoip6);
+        outFile = new File(installFolder, GEOIP6_ASSET_KEY);
+        streamToFile(is, outFile, false, true);
+    
+        return true;
+    }
+    
+    /*
+    private static void copyAssetFile(Context ctx, String asset, File file) throws IOException, InterruptedException
+    {
+        
+        DataOutputStream out = new DataOutputStream(new FileOutputStream(file));
+        InputStream is = new GZIPInputStream(ctx.getAssets().open(asset));
+        
+        byte buf[] = new byte[8172];
+        int len;
+        while ((len = is.read(buf)) > 0) {
+            out.write(buf, 0, len);
+        }
+        out.close();
+        is.close();
+    }*/
+    
+    /*
+     * Write the inputstream contents to the file
+     */
+    public static boolean streamToFile(InputStream stm, File outFile, boolean append, boolean zip) throws IOException
+
+    {
+        byte[] buffer = new byte[FILE_WRITE_BUFFER_SIZE];
+
+        int bytecount;
+
+        OutputStream stmOut = new FileOutputStream(outFile.getAbsolutePath(), append);
+        ZipInputStream zis = null;
+        
+        if (zip)
+        {
+            zis = new ZipInputStream(stm);            
+            ZipEntry ze = zis.getNextEntry();
+            stm = zis;
+            
+        }
+        
+        while ((bytecount = stm.read(buffer)) > 0)
+        {
+
+            stmOut.write(buffer, 0, bytecount);
+
+        }
+
+        stmOut.close();
+        stm.close();
+        
+        if (zis != null)
+            zis.close();
+        
+        
+        return true;
+
+    }
+    
+    //copy the file from inputstream to File output - alternative impl
+    public static boolean copyFile (InputStream is, File outputFile)
+    {
+        
+        try {
+        	if (outputFile.exists())
+        		outputFile.delete();
+        	
+            boolean newFile = outputFile.createNewFile();
+            DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
+            DataInputStream in = new DataInputStream(is);
+            
+            int b = -1;
+            byte[] data = new byte[1024];
+            
+            while ((b = in.read(data)) != -1) {
+                out.write(data);
+            }
+            
+            if (b == -1); //rejoice
+            
+            //
+            out.flush();
+            out.close();
+            in.close();
+            // chmod?
+            
+            return newFile;
+            
+            
+        } catch (IOException ex) {
+            Log.e(OrbotConstants.TAG, "error copying binary", ex);
+            return false;
+        }
+
+    }
+    
+    
+
+   
+    /**
+     * Copies a raw resource file, given its ID to the given location
+     * @param ctx context
+     * @param resid resource id
+     * @param file destination file
+     * @param mode file permissions (E.g.: "755")
+     * @throws IOException on error
+     * @throws InterruptedException when interrupted
+     */
+    public static void copyRawFile(Context ctx, int resid, File file, String mode, boolean isZipd) throws IOException, InterruptedException
+    {
+        final String abspath = file.getAbsolutePath();
+        // Write the iptables binary
+        final FileOutputStream out = new FileOutputStream(file);
+        InputStream is = ctx.getResources().openRawResource(resid);
+        
+        if (isZipd)
+        {
+            ZipInputStream zis = new ZipInputStream(is);            
+            ZipEntry ze = zis.getNextEntry();
+            is = zis;
+        }
+        
+        byte buf[] = new byte[1024];
+        int len;
+        while ((len = is.read(buf)) > 0) {
+            out.write(buf, 0, len);
+        }
+        out.close();
+        is.close();
+        // Change the permissions
+        Runtime.getRuntime().exec("chmod "+mode+" "+abspath).waitFor();
+    }
+    /**
+     * Asserts that the binary files are installed in the bin directory.
+     * @param ctx context
+     * @param showErrors indicates if errors should be alerted
+     * @return false if the binary files could not be installed
+     */
+    /*
+    public static boolean assertIpTablesBinaries(Context ctx, boolean showErrors) throws Exception {
+        boolean changed = false;
+        
+        // Check iptables_g1
+        File file = new File(ctx.getDir("bin",0), "iptables");
+        copyRawFile(ctx, R.raw.iptables, file, CHMOD_EXEC, false);
+                
+        return true;
+    }*/
+    
+
+    private void setExecutable(File fileBin) {
+        fileBin.setReadable(true);
+        fileBin.setExecutable(true);
+        fileBin.setWritable(false);
+        fileBin.setWritable(true, true);
+    }
+
+}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/util/TorServiceUtils.java b/orbotservice/src/main/java/org/torproject/android/service/util/TorServiceUtils.java
new file mode 100644
index 0000000..9fa8bb8
--- /dev/null
+++ b/orbotservice/src/main/java/org/torproject/android/service/util/TorServiceUtils.java
@@ -0,0 +1,182 @@
+/* Copyright (c) 2009, Nathan Freitas, Orbot / The Guardian Project - http://openideals.com/guardian */
+/* See LICENSE for licensing information */
+package org.torproject.android.service.util;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.ConnectException;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Build;
+
+import org.torproject.android.service.OrbotConstants;
+import org.torproject.android.service.TorServiceConstants;
+
+public class TorServiceUtils implements TorServiceConstants {
+
+	
+	
+	public static int findProcessId(String command) throws IOException 
+	{
+		int procId = findProcessIdWithPS(command);
+		return procId;
+	}
+	
+	//use 'pidof' command
+	/**
+	public static int findProcessIdWithPidOf(String command) throws Exception
+	{
+		
+		int procId = -1;
+		
+		Runtime r = Runtime.getRuntime();
+		    	
+		Process procPs = null;
+		
+		String baseName = new File(command).getName();
+		//fix contributed my mikos on 2010.12.10
+		procPs = r.exec(new String[] {SHELL_CMD_PIDOF, baseName});
+        //procPs = r.exec(SHELL_CMD_PIDOF);
+            
+        BufferedReader reader = new BufferedReader(new InputStreamReader(procPs.getInputStream()));
+        String line = null;
+
+        while ((line = reader.readLine())!=null)
+        {
+        
+        	try
+        	{
+        		//this line should just be the process id
+        		procId = Integer.parseInt(line.trim());
+        		break;
+        	}
+        	catch (NumberFormatException e)
+        	{
+        		Log.e("TorServiceUtils","unable to parse process pid: " + line,e);
+        	}
+        }
+            
+       
+        return procId;
+
+	}
+	 * @throws IOException */
+	
+	//use 'ps' command
+	public static int findProcessIdWithPS(String command) throws IOException 
+	{
+		
+		int procId = -1;
+		
+		Runtime r = Runtime.getRuntime();
+		    	
+		Process procPs = null;
+		
+        procPs = r.exec(SHELL_CMD_PS); // this is the android ps <name> command
+            
+        BufferedReader reader = new BufferedReader(new InputStreamReader(procPs.getInputStream()));
+        String line = null;
+        
+        while ((line = reader.readLine())!=null)
+        {
+        	if (line.contains("PID"))
+        		continue;
+        		
+        	if (line.contains(command))
+        	{
+        		
+        		String[] lineParts = line.split("\\s+");
+        		
+        	    try { 
+        	        
+        	        procId = Integer.parseInt(lineParts[1]); //for most devices it is the second number
+        	    } catch(NumberFormatException e) {
+        	    	procId = Integer.parseInt(lineParts[0]); //but for samsungs it is the first
+        	        
+        	    }
+        		
+        		
+        		break;
+        	}
+        }
+        
+        try { procPs.destroy(); } catch (Exception e) {} // try to destroy just to make sure we clean it up
+       
+        return procId;
+
+	}
+	
+	public static SharedPreferences getSharedPrefs (Context context)
+	{
+		if (Build.VERSION.SDK_INT>=Build.VERSION_CODES.HONEYCOMB)
+			return context.getSharedPreferences(OrbotConstants.PREF_TOR_SHARED_PREFS,0 | Context.MODE_MULTI_PROCESS);
+		else
+			return context.getSharedPreferences(OrbotConstants.PREF_TOR_SHARED_PREFS,Context.MODE_PRIVATE);
+		
+	}
+	
+	public static void killProcess(File fileProcBin) throws Exception {
+        killProcess(fileProcBin, "-9"); // this is -KILL
+    }
+
+    public static void killProcess(File fileProcBin, String signal) throws Exception {
+        int procId = -1;
+        int killAttempts = 0;
+
+        while ((procId = TorServiceUtils.findProcessId(fileProcBin.getCanonicalPath())) != -1) {
+            killAttempts++;
+            //logNotice("Found " + fileProcBin.getName() + " PID=" + procId + " - killing now...");
+            String pidString = String.valueOf(procId);
+            /*
+             * first try as the normal app user to be safe, then if that fails,
+             * try root since the process might be left over from
+             * uninstall/reinstall with different UID.
+             */
+
+			/**
+            if (Prefs.useRoot() && killAttempts > 2) {
+                shell = Shell.startRootShell();
+                Log.i(OrbotApp.TAG, "using a root shell");
+            } else {
+                shell = Shell.startShell();
+            }*/
+
+            Runtime.getRuntime().exec("busybox killall " + signal + " " + fileProcBin.getName());
+			Runtime.getRuntime().exec("toolbox kill " + signal + " " + pidString);
+			Runtime.getRuntime().exec("busybox kill " + signal + " " + pidString);
+			Runtime.getRuntime().exec("kill " + signal + " " + pidString);
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                // ignored
+            }
+
+            if (killAttempts > 4)
+                throw new Exception("Cannot kill: " + fileProcBin.getAbsolutePath());
+        }
+    }
+
+    public static boolean isPortOpen(final String ip, final int port, final int timeout) {
+        try {
+            Socket socket = new Socket();
+            socket.connect(new InetSocketAddress(ip, port), timeout);
+            socket.close();
+            return true;
+        } 
+
+        catch(ConnectException ce){
+            //ce.printStackTrace();
+            return false;
+        }
+
+        catch (Exception ex) {
+            //ex.printStackTrace();
+            return false;
+        }
+    }
+}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/util/Utils.java b/orbotservice/src/main/java/org/torproject/android/service/util/Utils.java
new file mode 100644
index 0000000..0fac401
--- /dev/null
+++ b/orbotservice/src/main/java/org/torproject/android/service/util/Utils.java
@@ -0,0 +1,100 @@
+/* Copyright (c) 2009, Nathan Freitas, Orbot / The Guardian Project - http://openideals.com/guardian */
+/* See LICENSE for licensing information */
+
+
+package org.torproject.android.service.util;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+public class Utils {
+
+
+	 public static String readString (InputStream stream)
+	    {
+	    	String line = null;
+	    
+	    	StringBuffer out = new StringBuffer();
+	    	
+	    	try {
+		    	BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
+
+				while ((line = reader.readLine()) != null)
+				{
+					out.append(line);
+					out.append('\n');
+					
+				}
+			} catch (IOException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+			
+			return out.toString();
+	    	
+	    }
+	/*
+	 * Load the log file text
+	 */
+	 public static String loadTextFile (String path)
+	    {
+	    	String line = null;
+	    
+	    	StringBuffer out = new StringBuffer();
+	    	
+	    	try {
+		    	BufferedReader reader = new BufferedReader((new FileReader(new File(path))));
+
+				while ((line = reader.readLine()) != null)
+				{
+					out.append(line);
+					out.append('\n');
+					
+				}
+				
+				reader.close();
+			} catch (IOException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+			
+			return out.toString();
+	    	
+	    }
+	 
+
+		/*
+		 * Load the log file text
+		 */
+		 public static boolean saveTextFile (String path, String contents)
+		    {
+			 	
+		    	try {
+		    		
+		    		 FileWriter writer = new FileWriter( path, false );
+                     writer.write( contents );
+                     
+                     writer.close();
+
+                     
+		    		
+		    		return true;
+			    	
+				} catch (IOException e) {
+				//	Log.d(TAG, "error writing file: " + path, e);
+						e.printStackTrace();
+					return false;
+				}
+				
+				
+		    	
+		    }
+	
+
+
+}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/vpn/OrbotVpnManager.java b/orbotservice/src/main/java/org/torproject/android/service/vpn/OrbotVpnManager.java
new file mode 100644
index 0000000..b4aad92
--- /dev/null
+++ b/orbotservice/src/main/java/org/torproject/android/service/vpn/OrbotVpnManager.java
@@ -0,0 +1,449 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.torproject.android.service.vpn;
+
+import android.annotation.TargetApi;
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.net.VpnService;
+import android.net.VpnService.Builder;
+import android.os.Build;
+import android.os.Handler;
+import android.os.Message;
+import android.os.ParcelFileDescriptor;
+import android.util.Log;
+import android.widget.Toast;
+
+import com.runjva.sourceforge.jsocks.protocol.ProxyServer;
+import com.runjva.sourceforge.jsocks.server.ServerAuthenticatorNone;
+
+import org.torproject.android.R;
+import org.torproject.android.service.TorServiceConstants;
+import org.torproject.android.service.transproxy.TorifiedApp;
+import org.torproject.android.service.util.TorServiceUtils;
+import org.torproject.android.ui.AppManager;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.net.InetAddress;
+import java.util.ArrayList;
+import java.util.concurrent.TimeoutException;
+
+@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
+public class OrbotVpnManager implements Handler.Callback {
+    private static final String TAG = "OrbotVpnService";
+
+    private PendingIntent mConfigureIntent;
+
+    private Thread mThreadVPN;
+
+    private String mSessionName = "OrbotVPN";
+    private ParcelFileDescriptor mInterface;
+
+    private int mTorSocks = TorServiceConstants.SOCKS_PROXY_PORT_DEFAULT;
+    
+    public static int sSocksProxyServerPort = -1;
+    public static String sSocksProxyLocalhost = null;
+    private ProxyServer mSocksProxyServer;
+   
+    
+    private final static int VPN_MTU = 1500;
+    
+    private final static boolean mIsLollipop = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
+    
+    //this is the actual DNS server we talk to over UDP or TCP (now using Tor's DNS port)
+    private final static String DEFAULT_ACTUAL_DNS_HOST = "127.0.0.1";
+    private final static int DEFAULT_ACTUAL_DNS_PORT = TorServiceConstants.TOR_DNS_PORT_DEFAULT;
+    
+    private boolean isRestart = false;
+    
+    private VpnService mService;
+    
+
+    static{
+    	  System.loadLibrary("tun2socks");
+    	}
+    
+    public OrbotVpnManager (VpnService service)
+    {
+    	mService = service;
+    }
+   
+    //public int onStartCommand(Intent intent, int flags, int startId) {
+    public int handleIntent(Builder builder, Intent intent) {
+
+    	if (intent != null)
+    	{
+	    	String action = intent.getAction();
+	    	
+	    	if (action.equals("start"))
+	    	{
+		
+		        // Stop the previous session by interrupting the thread.
+		        if (mThreadVPN == null || (!mThreadVPN.isAlive()))
+		        {
+		        	Log.d(TAG,"starting OrbotVPNService service!");
+		        	
+		        	mTorSocks = intent.getIntExtra("torSocks", TorServiceConstants.SOCKS_PROXY_PORT_DEFAULT);
+			    	
+		        	if (!mIsLollipop)
+		        	{
+	
+		        		startSocksBypass();
+		        	}
+		        	
+		            setupTun2Socks(builder);               
+		        }
+	    	}
+	    	else if (action.equals("stop"))
+	    	{
+	    		Log.d(TAG,"stop OrbotVPNService service!");
+	    		
+	    		stopVPN();    		
+	    		//if (mHandler != null)
+	    			//mHandler.postDelayed(new Runnable () { public void run () { stopSelf(); }}, 1000);
+	    	}
+	    	else if (action.equals("refresh"))
+	    	{
+	    		Log.d(TAG,"refresh OrbotVPNService service!");
+	    		
+	    		if (!mIsLollipop)
+	    		  startSocksBypass();
+	    		
+	    		if (!isRestart)
+	    			setupTun2Socks(builder);
+	    	}
+    	}
+     
+        
+        return Service.START_STICKY;
+    }
+  
+    private void startSocksBypass()
+    {
+       
+    	new Thread ()
+    	{
+    		
+    		public void run ()
+    		{
+
+                //generate the proxy port that the 
+                if (sSocksProxyServerPort == -1)
+                {
+                	try {
+						
+                		sSocksProxyLocalhost = "127.0.0.1";// InetAddress.getLocalHost().getHostAddress();
+	                	sSocksProxyServerPort = (int)((Math.random()*1000)+10000); 
+	                	
+					} catch (Exception e) {
+						Log.e(TAG,"Unable to access localhost",e);
+						throw new RuntimeException("Unable to access localhost: " + e);
+						
+					}
+                	
+                }
+                
+                
+		    	if (mSocksProxyServer != null)
+		    	{
+		    		stopSocksBypass ();
+		    	}
+
+		    	try
+		    	{
+			        mSocksProxyServer = new ProxyServer(new ServerAuthenticatorNone(null, null));
+			        ProxyServer.setVpnService(mService);
+			        mSocksProxyServer.start(sSocksProxyServerPort, 5, InetAddress.getLocalHost());
+			        
+		    	}
+		    	catch (Exception e)
+		    	{
+		    		Log.e(TAG,"error getting host",e);
+		    	}
+    		}
+    	}.start();
+       
+    }
+
+    private synchronized void stopSocksBypass ()
+    {
+
+        if (mSocksProxyServer != null){
+            mSocksProxyServer.stop();
+            mSocksProxyServer = null;
+        }
+        
+        
+    }
+    
+    /**
+    @Override
+	public void onCreate() {
+		super.onCreate();
+		
+		// Set the locale to English (or probably any other language that^M
+        // uses Hindu-Arabic (aka Latin) numerals).^M
+        // We have found that VpnService.Builder does something locale-dependent^M
+        // internally that causes errors when the locale uses its own numerals^M
+        // (i.e., Farsi and Arabic).^M
+		Locale.setDefault(new Locale("en"));
+		
+	}
+
+
+	@Override
+    public void onDestroy() {
+    	stopVPN();
+    }*/
+    
+    private void stopVPN ()
+    {
+    	if (mIsLollipop)
+    		stopSocksBypass ();
+        
+        if (mInterface != null){
+            try
+            {
+            	Log.d(TAG,"closing interface, destroying VPN interface");
+                
+        		mInterface.close();
+        		mInterface = null;
+            	
+            }
+            catch (Exception e)
+            {
+                Log.d(TAG,"error stopping tun2socks",e);
+            }
+            catch (Error e)
+            {
+                Log.d(TAG,"error stopping tun2socks",e);
+            }   
+        }
+        
+        Tun2Socks.Stop();
+        
+        try {
+        	TorServiceUtils.killProcess(filePdnsd);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        
+        mThreadVPN = null;
+        
+
+    }
+
+    @Override
+    public boolean handleMessage(Message message) {
+        if (message != null) {
+            Toast.makeText(mService, message.what, Toast.LENGTH_SHORT).show();
+        }
+        return true;
+    }
+
+  
+    private synchronized void setupTun2Socks(final Builder builder)  {
+
+    	
+        if (mInterface != null) //stop tun2socks now to give it time to clean up
+        {
+        	isRestart = true;
+        	Tun2Socks.Stop();
+        }
+        
+    	mThreadVPN = new Thread ()
+    	{
+    		
+    		public void run ()
+    		{
+	    		try
+		        {
+	    			
+	    			if (isRestart)
+	    			{
+	    				Log.d(TAG,"is a restart... let's wait for a few seconds");
+			        	Thread.sleep(3000);
+	    			}
+	    			
+	    			//start PDNSD daemon pointing to actual DNS
+	    			startDNS(DEFAULT_ACTUAL_DNS_HOST,DEFAULT_ACTUAL_DNS_PORT);
+	    			
+		    		final String vpnName = "OrbotVPN";
+		    		final String localhost = "127.0.0.1";
+
+		    		final String virtualGateway = "10.10.10.1";
+		    		final String virtualIP = "10.10.10.2";
+		    		final String virtualNetMask = "255.255.255.0";
+		    		final String dummyDNS = "8.8.8.8"; //this is intercepted by the tun2socks library, but we must put in a valid DNS to start
+		    		final String defaultRoute = "0.0.0.0";
+		    		
+		    		final String localSocks = localhost + ':'
+		    		        + String.valueOf(mTorSocks);
+		    		
+		    		final String localDNS = virtualGateway + ':' + "8091";//String.valueOf(TorServiceConstants.TOR_DNS_PORT_DEFAULT);
+		    		final boolean localDnsTransparentProxy = true;
+		        	
+			        builder.setMtu(VPN_MTU);
+			        builder.addAddress(virtualGateway,32);
+			        
+			        builder.setSession(vpnName);		        
+
+			        builder.addDnsServer(dummyDNS);
+			        builder.addRoute(dummyDNS,32);
+				        
+			        //route all traffic through VPN (we might offer country specific exclude lists in the future)
+			        builder.addRoute(defaultRoute,0);	
+			        
+			        //handle ipv6
+			        //builder.addAddress("fdfe:dcba:9876::1", 126);
+					//builder.addRoute("::", 0);
+			        
+			        if (mIsLollipop)			        
+			        	doLollipopAppRouting(builder);			        
+
+			         // Create a new interface using the builder and save the parameters.
+			        ParcelFileDescriptor newInterface = builder.setSession(mSessionName)
+			                .setConfigureIntent(mConfigureIntent)
+			                .establish();
+		
+			        if (mInterface != null)
+			        {
+			        	Log.d(TAG,"Stopping existing VPN interface");
+			        	mInterface.close();
+			        	mInterface = null;
+			        }
+
+		        	mInterface = newInterface;
+			        
+		        	Tun2Socks.Start(mInterface, VPN_MTU, virtualIP, virtualNetMask, localSocks , localDNS , localDnsTransparentProxy);
+		        	
+		        	isRestart = false;
+		        	
+		        }
+		        catch (Exception e)
+		        {
+		        	Log.d(TAG,"tun2Socks has stopped",e);
+		        }
+	    	}
+    		
+    	};
+    	
+    	mThreadVPN.start();
+    	
+    }
+    
+    
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+	private void doLollipopAppRouting (Builder builder) throws NameNotFoundException
+    {    
+    	   
+        ArrayList<TorifiedApp> apps = AppManager.getApps(mService, TorServiceUtils.getSharedPrefs(mService.getApplicationContext()));
+    
+        boolean perAppEnabled = false;
+        
+        for (TorifiedApp app : apps)
+        {
+        	if (app.isTorified() && (!app.getPackageName().equals(mService.getPackageName())))
+        	{
+        		builder.addAllowedApplication(app.getPackageName());
+        		perAppEnabled = true;
+        	}
+        	
+        }
+    
+        if (!perAppEnabled)
+        	builder.addDisallowedApplication(mService.getPackageName());
+    
+    }
+    
+    
+    public void onRevoke() {
+    
+    	Log.w(TAG,"VPNService REVOKED!");
+    	
+    	if (!isRestart)
+    	{
+	    	SharedPreferences prefs = TorServiceUtils.getSharedPrefs(mService.getApplicationContext()); 
+	        prefs.edit().putBoolean("pref_vpn", false).commit();      
+	    	stopVPN();	
+    	}
+    	
+    	isRestart = false;
+    	
+    	//super.onRevoke();
+    
+    }
+
+    File filePdnsd = null;
+
+    private void startDNS (String dns, int port) throws IOException, TimeoutException
+    {
+		File filePdnsd = null;//getDir(TorServiceConstants.DIRECTORY_TOR_BINARY, Application.MODE_PRIVATE);
+
+    	makePdnsdConf(mService, dns, port,filePdnsd.getParentFile() );
+    	
+        ArrayList<String> customEnv = new ArrayList<String>();
+    	String baseDirectory = filePdnsd.getParent();
+
+        String cmdString = "sh " + filePdnsd.getCanonicalPath() +
+        		" -c " + baseDirectory + "/pdnsd.conf";
+
+		Process proc = Runtime.getRuntime().exec(cmdString);
+		try { proc.waitFor();} catch (Exception e){}
+
+        Log.i(TAG,"PDNSD: " + proc.exitValue());
+        
+    }
+    
+    public static void makePdnsdConf(Context context, String dns, int port, File fileDir) throws FileNotFoundException {
+        String conf = String.format(context.getString(R.string.pdnsd_conf), dns, port);
+
+        File f = new File(fileDir,"pdnsd.conf");
+
+        if (f.exists()) {
+                f.delete();
+        }
+
+        FileOutputStream fos = new FileOutputStream(f, false);
+    	PrintStream ps = new PrintStream(fos);
+    	ps.print(conf);
+    	ps.close();
+    	
+        //f.withWriter { out -> out.print conf };
+        
+        
+        File cache = new File(fileDir,"pdnsd.cache");
+
+        if (!cache.exists()) {
+                try {
+                        cache.createNewFile();
+                } catch (Exception e) {
+
+                }
+        }
+}
+
+    
+}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/vpn/TorVpnService.java b/orbotservice/src/main/java/org/torproject/android/service/vpn/TorVpnService.java
new file mode 100644
index 0000000..1bd8173
--- /dev/null
+++ b/orbotservice/src/main/java/org/torproject/android/service/vpn/TorVpnService.java
@@ -0,0 +1,62 @@
+package org.torproject.android.service.vpn;
+
+import android.annotation.TargetApi;
+import android.app.Service;
+import android.content.Intent;
+import android.net.VpnService;
+import android.os.Build;
+import android.text.TextUtils;
+import android.util.Log;
+
+import org.torproject.android.service.OrbotConstants;
+import org.torproject.android.service.TorServiceConstants;
+import org.torproject.android.service.util.Prefs;
+
+/**
+ * Created by n8fr8 on 9/26/16.
+ */
+@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
+public class TorVpnService extends VpnService {
+
+
+
+    /* (non-Javadoc)
+    * @see android.app.Service#onStart(android.content.Intent, int)
+    */
+    public int onStartCommand(Intent intent, int flags, int startId) {
+
+
+
+        if (!TextUtils.isEmpty(intent.getAction()))
+        {
+            if (intent.getAction().equals("start"))
+                enableVpnProxy();;
+        }
+
+        return Service.START_STICKY;
+    }
+
+
+    public void enableVpnProxy () {
+       // debug ("enabling VPN Proxy");
+
+        OrbotVpnManager vpnManager = new OrbotVpnManager(this);
+
+        int portSocks = 9050;
+
+        Prefs.putUseVpn(true);
+       // processTransparentProxying();
+
+        //updateConfiguration("DNSPort",TOR_VPN_DNS_LISTEN_ADDRESS + ":" + TorServiceConstants.TOR_DNS_PORT_DEFAULT,false);
+
+        //  if (mVpnManager == null)
+        //   	mVpnManager = new OrbotVpnManager (this);
+
+        Intent intent = new Intent();
+        intent.setAction("start");
+        intent.putExtra("torSocks", portSocks);
+
+        vpnManager.handleIntent(new Builder(),intent);
+
+    }
+}
diff --git a/orbotservice/src/main/java/org/torproject/android/service/vpn/Tun2Socks.java b/orbotservice/src/main/java/org/torproject/android/service/vpn/Tun2Socks.java
new file mode 100644
index 0000000..6f61bb4
--- /dev/null
+++ b/orbotservice/src/main/java/org/torproject/android/service/vpn/Tun2Socks.java
@@ -0,0 +1,126 @@
+package org.torproject.android.service.vpn;
+
+/*
+ * Copyright (c) 2013, Psiphon Inc.
+ * All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+import android.annotation.TargetApi;
+import android.os.Build;
+import android.os.ParcelFileDescriptor;
+import android.util.Log;
+
+import java.net.DatagramSocket;
+import java.net.Socket;
+
+@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
+public class Tun2Socks
+{
+    public static interface IProtectSocket
+    {
+        boolean doVpnProtect(Socket socket);
+        boolean doVpnProtect(DatagramSocket socket);
+    };
+
+    private static final String TAG = Tun2Socks.class.getSimpleName();
+    private static final boolean LOGD = true;
+
+    private static Thread mThread;
+    private static ParcelFileDescriptor mVpnInterfaceFileDescriptor;
+    private static int mVpnInterfaceMTU;
+    private static String mVpnIpAddress;
+    private static String mVpnNetMask;
+    private static String mSocksServerAddress;
+    private static String mUdpgwServerAddress;
+    private static boolean mUdpgwTransparentDNS;
+    
+    // Note: this class isn't a singleton, but you can't run more
+    // than one instance due to the use of global state (the lwip
+    // module, etc.) in the native code.
+    
+    private static boolean mLibLoaded = false;
+    
+    public static void Start(
+            ParcelFileDescriptor vpnInterfaceFileDescriptor,
+            int vpnInterfaceMTU,
+            String vpnIpAddress,
+            String vpnNetMask,
+            String socksServerAddress,
+            String udpgwServerAddress,
+            boolean udpgwTransparentDNS)
+    {
+        
+        if (!mLibLoaded)
+        {
+            System.loadLibrary("tun2socks");
+            mLibLoaded = true;
+        }
+
+        mVpnInterfaceFileDescriptor = vpnInterfaceFileDescriptor;
+        mVpnInterfaceMTU = vpnInterfaceMTU;
+        mVpnIpAddress = vpnIpAddress;
+        mVpnNetMask = vpnNetMask;
+        mSocksServerAddress = socksServerAddress;
+        mUdpgwServerAddress = udpgwServerAddress;
+        mUdpgwTransparentDNS = udpgwTransparentDNS;
+
+        if (mVpnInterfaceFileDescriptor != null)
+            runTun2Socks(
+                    mVpnInterfaceFileDescriptor.detachFd(),
+                    mVpnInterfaceMTU,
+                    mVpnIpAddress,
+                    mVpnNetMask,
+                    mSocksServerAddress,
+                    mUdpgwServerAddress,
+                    mUdpgwTransparentDNS ? 1 : 0);
+    }
+    
+    public static void Stop()
+    {
+       
+        terminateTun2Socks();
+    
+    }
+
+    public static void logTun2Socks(
+            String level,
+            String channel,
+            String msg)
+    {
+        String logMsg = level + "(" + channel + "): " + msg;
+        if (0 == level.compareTo("ERROR"))
+        {
+            Log.e(TAG, logMsg);
+        }
+        else
+        {
+            if (LOGD) Log.d(TAG, logMsg);
+        }
+    }
+
+    private native static int runTun2Socks(
+            int vpnInterfaceFileDescriptor,
+            int vpnInterfaceMTU,
+            String vpnIpAddress,
+            String vpnNetMask,
+            String socksServerAddress,
+            String udpgwServerAddress,
+            int udpgwTransparentDNS);
+
+    private native static void terminateTun2Socks();
+    
+}
\ No newline at end of file
diff --git a/orbotservice/src/main/jni/Android.mk b/orbotservice/src/main/jni/Android.mk
new file mode 100644
index 0000000..c4448db
--- /dev/null
+++ b/orbotservice/src/main/jni/Android.mk
@@ -0,0 +1,145 @@
+# Copyright (C) 2009 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#
+LOCAL_PATH := $(call my-dir)
+ROOT_PATH := $(LOCAL_PATH)
+EXTERN_PATH := $(LOCAL_PATH)/../../../../external
+
+########################################################
+## pdnsd library
+########################################################
+
+include $(CLEAR_VARS)
+
+PDNSD_SOURCES  := $(wildcard $(LOCAL_PATH)/pdnsd/src/*.c)
+
+LOCAL_MODULE    := pdnsd
+LOCAL_SRC_FILES := $(PDNSD_SOURCES:$(LOCAL_PATH)/%=%)
+LOCAL_CFLAGS    := -Wall -O2 -I$(LOCAL_PATH)/pdnsd -DHAVE_STPCPY
+
+include $(BUILD_EXECUTABLE)
+
+########################################################
+## libancillary
+########################################################
+
+include $(CLEAR_VARS)
+
+ANCILLARY_SOURCE := fd_recv.c fd_send.c
+
+LOCAL_MODULE := libancillary
+LOCAL_CFLAGS := -O2 -I$(LOCAL_PATH)/libancillary
+
+LOCAL_SRC_FILES := $(addprefix libancillary/, $(ANCILLARY_SOURCE))
+
+include $(BUILD_STATIC_LIBRARY)
+
+
+########################################################
+## tun2socks
+########################################################
+
+include $(CLEAR_VARS)
+
+LOCAL_CFLAGS := -std=gnu99
+LOCAL_CFLAGS += -DBADVPN_THREADWORK_USE_PTHREAD -DBADVPN_LINUX -DBADVPN_BREACTOR_BADVPN -D_GNU_SOURCE
+LOCAL_CFLAGS += -DBADVPN_USE_SELFPIPE -DBADVPN_USE_EPOLL
+LOCAL_CFLAGS += -DBADVPN_LITTLE_ENDIAN -DBADVPN_THREAD_SAFE
+LOCAL_CFLAGS += -DNDEBUG -DANDROID
+LOCAL_CFLAGS += -DTUN2SOCKS_JNI
+LOCAL_CFLAGS += -DPSIPHON
+
+LOCAL_STATIC_LIBRARIES := libancillary
+
+LOCAL_C_INCLUDES:= \
+		$(LOCAL_PATH)/libancillary \
+        $(EXTERN_PATH)/badvpn/ \
+        $(EXTERN_PATH)/badvpn/lwip/src/include/ipv4 \
+        $(EXTERN_PATH)/badvpn/lwip/src/include/ipv6 \
+        $(EXTERN_PATH)/badvpn/lwip/src/include \
+        $(EXTERN_PATH)/badvpn/lwip/custom \
+
+TUN2SOCKS_SOURCES := \
+        base/BLog_syslog.c \
+        system/BReactor_badvpn.c \
+        system/BSignal.c \
+        system/BConnection_unix.c \
+        system/BTime.c \
+        system/BUnixSignal.c \
+        system/BNetwork.c \
+        flow/StreamRecvInterface.c \
+        flow/PacketRecvInterface.c \
+        flow/PacketPassInterface.c \
+        flow/StreamPassInterface.c \
+        flow/SinglePacketBuffer.c \
+        flow/BufferWriter.c \
+        flow/PacketBuffer.c \
+        flow/PacketStreamSender.c \
+        flow/PacketPassConnector.c \
+        flow/PacketProtoFlow.c \
+        flow/PacketPassFairQueue.c \
+        flow/PacketProtoEncoder.c \
+        flow/PacketProtoDecoder.c \
+        socksclient/BSocksClient.c \
+        tuntap/BTap.c \
+        lwip/src/core/timers.c \
+        lwip/src/core/udp.c \
+        lwip/src/core/memp.c \
+        lwip/src/core/init.c \
+        lwip/src/core/pbuf.c \
+        lwip/src/core/tcp.c \
+        lwip/src/core/tcp_out.c \
+        lwip/src/core/netif.c \
+        lwip/src/core/def.c \
+        lwip/src/core/mem.c \
+        lwip/src/core/tcp_in.c \
+        lwip/src/core/stats.c \
+        lwip/src/core/inet_chksum.c \
+        lwip/src/core/ipv4/icmp.c \
+        lwip/src/core/ipv4/igmp.c \
+        lwip/src/core/ipv4/ip4_addr.c \
+        lwip/src/core/ipv4/ip_frag.c \
+        lwip/src/core/ipv4/ip4.c \
+        lwip/src/core/ipv4/autoip.c \
+        lwip/src/core/ipv6/ethip6.c \
+        lwip/src/core/ipv6/inet6.c \
+        lwip/src/core/ipv6/ip6_addr.c \
+        lwip/src/core/ipv6/mld6.c \
+        lwip/src/core/ipv6/dhcp6.c \
+        lwip/src/core/ipv6/icmp6.c \
+        lwip/src/core/ipv6/ip6.c \
+        lwip/src/core/ipv6/ip6_frag.c \
+        lwip/src/core/ipv6/nd6.c \
+        lwip/custom/sys.c \
+        tun2socks/tun2socks.c \
+        base/DebugObject.c \
+        base/BLog.c \
+        base/BPending.c \
+		system/BDatagram_unix.c \
+        flowextra/PacketPassInactivityMonitor.c \
+        tun2socks/SocksUdpGwClient.c \
+        udpgw_client/UdpGwClient.c
+
+LOCAL_MODULE := tun2socks
+
+LOCAL_LDLIBS := -ldl -llog
+
+LOCAL_SRC_FILES := $(addprefix ../../../../external/badvpn/, $(TUN2SOCKS_SOURCES))
+
+##include $(BUILD_EXECUTABLE)
+include $(BUILD_SHARED_LIBRARY)
+
+# Import cpufeatures
+$(call import-module,android/cpufeatures)
diff --git a/orbotservice/src/main/jni/Application.mk b/orbotservice/src/main/jni/Application.mk
new file mode 100644
index 0000000..2fab495
--- /dev/null
+++ b/orbotservice/src/main/jni/Application.mk
@@ -0,0 +1,5 @@
+#APP_ABI      			:= armeabi x86
+APP_ABI      			:= armeabi
+APP_PLATFORM 			:= android-10
+APP_STL      			:= stlport_static
+NDK_TOOLCHAIN_VERSION 	:= 4.8
diff --git a/orbotservice/src/main/jni/libancillary/API b/orbotservice/src/main/jni/libancillary/API
new file mode 100644
index 0000000..b558995
--- /dev/null
+++ b/orbotservice/src/main/jni/libancillary/API
@@ -0,0 +1,139 @@
+  This library provide an easy interface to the black magic that can be done
+  on Unix domain sockets, like passing file descriptors from one process to
+  another.
+
+  Programs that uses this library should include the ancillary.h header file.
+  Nothing else is required.
+
+  All functions of this library require the following header:
+
+	#include <ancillary.h>
+
+  At this time, the only ancillary data defined by the Single Unix
+  Specification (v3) is file descriptors.
+
+Passing file descriptors
+
+	int ancil_send_fd(socket, file_descriptor)
+	  int socket: the Unix socket
+	  int file_descriptor: the file descriptor
+	  Return value: 0 for success, -1 for failure.
+
+  Sends one file descriptor on a socket.
+  In case of failure, errno is set; the possible values are the ones of the
+  sendmsg(2) system call.
+
+
+	int ancil_recv_fd(socket, file_descriptor)
+	  int socket: the Unix socket
+	  int *file_descriptor: pointer to the returned file descriptor
+	  Return value: 0 for success, -1 for failure
+
+  Receives one file descriptor from a socket.
+  In case of success, the file descriptor is stored in the integer pointed
+  to by file_descriptor.
+  In case of failure, errno is set; the possible values are the ones of the
+  recvmsg(2) system call.
+  The behavior is undefined if the recv_fd does not match a send_fd* on the
+  other side.
+
+
+	int ancil_send_fds(socket, file_descriptors, num_file_descriptors)
+	  int socket: the Unix socket
+	  const int *file_descriptors: array of file descriptors
+	  unsigned num_file_descriptors: number of file descriptors
+	  Return value: 0 for success, -1 for failure
+
+  Sends several file descriptors on a socket.
+  In case of failure, errno is set; the possible values are the ones of the
+  sendmsg(2) system call.
+  The maximum number of file descriptors that can be sent using this
+  function is ANCIL_MAX_N_FDS; the behavior is undefined in case of
+  overflow, probably a stack corruption.
+
+
+	int ancil_recv_fds(socket, file_descriptors, num_file_descriptors)
+	  int socket: the Unix socket
+	  int *file_descriptors: return array of file descriptors
+	  unsigned num_file_descriptors: number of file descriptors
+	  Return value: number of received fd for success, -1 for failure
+
+  Receives several file descriptors from a socket, no more than
+  num_file_descriptors.
+  In case of success, the received file descriptors are stored in the array
+  pointed to by file_descriptors.
+  In case of failure, errno is set; the possible values are the ones of the
+  recvmsg(2) system call.
+  The maximum number of file descriptors that can be received using this
+  function is ANCIL_MAX_N_FDS; the behavior is undefined in case of
+  overflow, probably a stack corruption.
+  The behavior is undefined if the recv_fds does not match a send_fd* on
+  the other side, or if the number of received file descriptors is more than
+  num_file_descriptors.
+
+
+	int ancil_send_fds_with_buffer(socket, fds, num, buffer)
+	  int socket: the Unix socket
+	  const int *fds: array of file descriptors
+	  unsigned num: number of file descriptors
+	  void *buffer: buffer to hold the system data structures
+	  Return value: 0 for success, -1 for failure
+
+  Sends several file descriptors on a socket.
+  In case of failure, errno is set; the possible values are the ones of the
+  sendmsg(2) system call.
+  The buffer argument must point to a memory area large enough to hold the
+  system data structures, see ANCIL_FD_BUFFER.
+
+
+	int ancil_send_fds_with_buffer(socket, fds, num, buffer)
+	  int socket: the Unix socket
+	  int *fds: return array of file descriptors
+	  unsigned num: number of file descriptors
+	  void *buffer: buffer to hold the system data structures
+	  Return value: number of received fd for success, -1 for failure
+
+  Receives several file descriptors from a socket, no more than
+  num_file_descriptors.
+  In case of success, the received file descriptors are stored in the array
+  pointed to by file_descriptors.
+  In case of failure, errno is set; the possible values are the ones of the
+  recvmsg(2) system call.
+  The behavior is undefined if the recv_fds does not match a send_fd* on
+  the other side, or if the number of received file descriptors is more than
+  num_file_descriptors.
+  The buffer argument must point to a memory area large enough to hold the
+  system data structures, see ANCIL_FD_BUFFER.
+
+
+	ANCIL_MAX_N_FDS
+
+  Maximum number of file descriptors that can be sent with the sent_fds and
+  recv_fds functions. If you have to send more at once, use the
+  *_with_buffer versions. The value is enough to send "quite a few" file
+  descriptors.
+
+
+	ANCIL_FD_BUFFER(n)
+	  int n: number of file descriptors
+
+  Expands to a structure data type large enough to hold the system data
+  structures for n file descriptors. So the address of a variable declared
+  of type ANCIL_FD_BUFFER(n) is suitable as the buffer argument for
+  *_with_buffer on n file descriptors.
+  To use this macro, you need <sys/types.h> and <sys/socket.h>. Bevare: with
+  Solaris, the _XPG4_2 macro must be defined before sys/socket is included.
+
+
+Tuning the compilation
+
+  This library is designed to be included in projects, not installed in
+  /usr/lib. If your project does not use some of the functions, the
+  TUNE_OPTS variable in the Makefile allows not to build them. It is a list
+  of proprocessor options:
+
+  -DNDEBUG: turn assertions off (see assert(3))
+  -DSPARE_SEND_FDS: do not build ancil_send_fds
+  -DSPARE_SEND_FD:  do not build ancil_send_fd
+  -DSPARE_RECV_FDS: do not build ancil_recv_fds
+  -DSPARE_RECV_FD:  do not build ancil_recv_fd
diff --git a/orbotservice/src/main/jni/libancillary/COPYING b/orbotservice/src/main/jni/libancillary/COPYING
new file mode 100644
index 0000000..5bcd9c2
--- /dev/null
+++ b/orbotservice/src/main/jni/libancillary/COPYING
@@ -0,0 +1,21 @@
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+    this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+ 3. The name of the author may not be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/orbotservice/src/main/jni/libancillary/Makefile b/orbotservice/src/main/jni/libancillary/Makefile
new file mode 100644
index 0000000..3d32533
--- /dev/null
+++ b/orbotservice/src/main/jni/libancillary/Makefile
@@ -0,0 +1,73 @@
+###########################################################################
+# libancillary - black magic on Unix domain sockets
+# (C) Nicolas George
+# Makefile - guess what
+###########################################################################
+
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+# 
+#  1. Redistributions of source code must retain the above copyright notice,
+#     this list of conditions and the following disclaimer.
+#  2. Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#  3. The name of the author may not be used to endorse or promote products
+#     derived from this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+CC=gcc
+CFLAGS=-Wall -g -O2
+LDFLAGS=
+LIBS=
+AR=ar
+RANLIB=ranlib
+RM=rm
+CP=cp
+MKDIR=mkdir
+TAR=tar
+GZIP=gzip -9
+
+NAME=libancillary
+DISTRIBUTION=API COPYING Makefile ancillary.h fd_send.c fd_recv.c test.c
+VERSION=0.9.1
+
+OBJECTS=fd_send.o fd_recv.o
+
+TUNE_OPTS=-DNDEBUG
+#TUNE_OPTS=-DNDEBUG \
+	-DSPARE_SEND_FDS -DSPARE_SEND_FD -DSPARE_RECV_FDS -DSPARE_RECV_FD
+
+.c.o:
+	$(CC) -c $(CFLAGS) $(TUNE_OPTS) $<
+
+all: libancillary.a
+
+libancillary.a: $(OBJECTS)
+	$(AR) cr $@ $(OBJECTS)
+	$(RANLIB) $@
+
+fd_send.o: ancillary.h
+fd_recv.o: ancillary.h
+
+test: test.c libancillary.a
+	$(CC) -o $@ $(CFLAGS) $(LDFLAGS) -L. test.c -lancillary $(LIBS)
+
+clean:
+	-$(RM) -f *.o *.a test 
+
+dist:
+	$(MKDIR) $(NAME)-$(VERSION)
+	$(CP) $(DISTRIBUTION) $(NAME)-$(VERSION)
+	$(TAR) -cf - $(NAME)-$(VERSION) | $(GZIP) > $(NAME)-$(VERSION).tar.gz
+	$(RM) -rf $(NAME)-$(VERSION)
diff --git a/orbotservice/src/main/jni/libancillary/ancillary.h b/orbotservice/src/main/jni/libancillary/ancillary.h
new file mode 100644
index 0000000..636d867
--- /dev/null
+++ b/orbotservice/src/main/jni/libancillary/ancillary.h
@@ -0,0 +1,131 @@
+/***************************************************************************
+ * libancillary - black magic on Unix domain sockets
+ * (C) Nicolas George
+ * ancillary.c - public header
+ ***************************************************************************/
+
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef ANCILLARY_H__
+#define ANCILLARY_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/***************************************************************************
+ * Start of the readable part.
+ ***************************************************************************/
+
+#define ANCIL_MAX_N_FDS 960
+/*
+ * Maximum number of fds that can be sent or received using the "esay"
+ * functions; this is so that all can fit in one page.
+ */
+
+extern int
+ancil_send_fds_with_buffer(int, const int *, unsigned, void *);
+/*
+ * ancil_send_fds_with_buffer(sock, n_fds, fds, buffer)
+ *
+ * Sends the file descriptors in the array pointed by fds, of length n_fds
+ * on the socket sock.
+ * buffer is a writeable memory area large enough to hold the required data
+ * structures.
+ * Returns: -1 and errno in case of error, 0 in case of success.
+ */
+
+extern int
+ancil_recv_fds_with_buffer(int, int *, unsigned, void *);
+/*
+ * ancil_recv_fds_with_buffer(sock, n_fds, fds, buffer)
+ *
+ * Receives *n_fds file descriptors into the array pointed by fds
+ * from the socket sock.
+ * buffer is a writeable memory area large enough to hold the required data
+ * structures.
+ * Returns: -1 and errno in case of error, the actual number of received fd
+ * in case of success
+ */
+
+#define ANCIL_FD_BUFFER(n) \
+    struct { \
+	struct cmsghdr h; \
+	int fd[n]; \
+    }
+/* ANCIL_FD_BUFFER(n)
+ *
+ * A structure type suitable to be used as buffer for n file descriptors.
+ * Requires <sys/socket.h>.
+ * Example:
+ * ANCIL_FD_BUFFER(42) buffer;
+ * ancil_recv_fds_with_buffer(sock, 42, my_fds, &buffer);
+ */
+
+extern int
+ancil_send_fds(int, const int *, unsigned);
+/*
+ * ancil_send_fds(sock, n_fds, fds)
+ *
+ * Sends the file descriptors in the array pointed by fds, of length n_fds
+ * on the socket sock.
+ * n_fds must not be greater than ANCIL_MAX_N_FDS.
+ * Returns: -1 and errno in case of error, 0 in case of success.
+ */
+
+extern int
+ancil_recv_fds(int, int *, unsigned);
+/*
+ * ancil_recv_fds(sock, n_fds, fds)
+ *
+ * Receives *n_fds file descriptors into the array pointed by fds
+ * from the socket sock.
+ * *n_fds must not be greater than ANCIL_MAX_N_FDS.
+ * Returns: -1 and errno in case of error, the actual number of received fd
+ * in case of success.
+ */
+
+
+extern int
+ancil_send_fd(int, int);
+/* ancil_recv_fd(sock, fd);
+ *
+ * Sends the file descriptor fd on the socket sock.
+ * Returns : -1 and errno in case of error, 0 in case of success.
+ */
+
+extern int
+ancil_recv_fd(int, int *);
+/* ancil_send_fd(sock, &fd);
+ *
+ * Receives the file descriptor fd from the socket sock.
+ * Returns : -1 and errno in case of error, 0 in case of success.
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ANCILLARY_H__ */
diff --git a/orbotservice/src/main/jni/libancillary/fd_recv.c b/orbotservice/src/main/jni/libancillary/fd_recv.c
new file mode 100644
index 0000000..46c2e69
--- /dev/null
+++ b/orbotservice/src/main/jni/libancillary/fd_recv.c
@@ -0,0 +1,98 @@
+/***************************************************************************
+ * libancillary - black magic on Unix domain sockets
+ * (C) Nicolas George
+ * fd_send.c - receiving file descriptors
+ ***************************************************************************/
+
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _XPG4_2 /* Solaris sucks */
+# define _XPG4_2
+#endif
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <assert.h>
+#if defined(__FreeBSD__)
+# include <sys/param.h> /* FreeBSD sucks */
+#endif
+
+#include "ancillary.h"
+
+int
+ancil_recv_fds_with_buffer(int sock, int *fds, unsigned n_fds, void *buffer)
+{
+    struct msghdr msghdr;
+    char nothing;
+    struct iovec nothing_ptr;
+    struct cmsghdr *cmsg;
+    int i;
+
+    nothing_ptr.iov_base = &nothing;
+    nothing_ptr.iov_len = 1;
+    msghdr.msg_name = NULL;
+    msghdr.msg_namelen = 0;
+    msghdr.msg_iov = &nothing_ptr;
+    msghdr.msg_iovlen = 1;
+    msghdr.msg_flags = 0;
+    msghdr.msg_control = buffer;
+    msghdr.msg_controllen = sizeof(struct cmsghdr) + sizeof(int) * n_fds;
+    cmsg = CMSG_FIRSTHDR(&msghdr);
+    cmsg->cmsg_len = msghdr.msg_controllen;
+    cmsg->cmsg_level = SOL_SOCKET;
+    cmsg->cmsg_type = SCM_RIGHTS;
+    for(i = 0; i < n_fds; i++)
+	((int *)CMSG_DATA(cmsg))[i] = -1;
+    
+    if(recvmsg(sock, &msghdr, 0) < 0)
+	return(-1);
+    for(i = 0; i < n_fds; i++)
+	fds[i] = ((int *)CMSG_DATA(cmsg))[i];
+    n_fds = (msghdr.msg_controllen - sizeof(struct cmsghdr)) / sizeof(int);
+    return(n_fds);
+}
+
+#ifndef SPARE_RECV_FDS
+int
+ancil_recv_fds(int sock, int *fd, unsigned n_fds)
+{
+    ANCIL_FD_BUFFER(ANCIL_MAX_N_FDS) buffer;
+
+    assert(n_fds <= ANCIL_MAX_N_FDS);
+    return(ancil_recv_fds_with_buffer(sock, fd, n_fds, &buffer));
+}
+#endif /* SPARE_RECV_FDS */
+
+#ifndef SPARE_RECV_FD
+int
+ancil_recv_fd(int sock, int *fd)
+{
+    ANCIL_FD_BUFFER(1) buffer;
+
+    return(ancil_recv_fds_with_buffer(sock, fd, 1, &buffer) == 1 ? 0 : -1);
+}
+#endif /* SPARE_RECV_FD */
diff --git a/orbotservice/src/main/jni/libancillary/fd_send.c b/orbotservice/src/main/jni/libancillary/fd_send.c
new file mode 100644
index 0000000..01de87f
--- /dev/null
+++ b/orbotservice/src/main/jni/libancillary/fd_send.c
@@ -0,0 +1,92 @@
+/***************************************************************************
+ * libancillary - black magic on Unix domain sockets
+ * (C) Nicolas George
+ * fd_send.c - sending file descriptors
+ ***************************************************************************/
+
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _XPG4_2 /* Solaris sucks */
+# define _XPG4_2
+#endif
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <assert.h>
+#if defined(__FreeBSD__)
+# include <sys/param.h> /* FreeBSD sucks */
+#endif
+
+#include "ancillary.h"
+
+int
+ancil_send_fds_with_buffer(int sock, const int *fds, unsigned n_fds, void *buffer)
+{
+    struct msghdr msghdr;
+    char nothing = '!';
+    struct iovec nothing_ptr;
+    struct cmsghdr *cmsg;
+    int i;
+
+    nothing_ptr.iov_base = &nothing;
+    nothing_ptr.iov_len = 1;
+    msghdr.msg_name = NULL;
+    msghdr.msg_namelen = 0;
+    msghdr.msg_iov = &nothing_ptr;
+    msghdr.msg_iovlen = 1;
+    msghdr.msg_flags = 0;
+    msghdr.msg_control = buffer;
+    msghdr.msg_controllen = sizeof(struct cmsghdr) + sizeof(int) * n_fds;
+    cmsg = CMSG_FIRSTHDR(&msghdr);
+    cmsg->cmsg_len = msghdr.msg_controllen;
+    cmsg->cmsg_level = SOL_SOCKET;
+    cmsg->cmsg_type = SCM_RIGHTS;
+    for(i = 0; i < n_fds; i++)
+	((int *)CMSG_DATA(cmsg))[i] = fds[i];
+    return(sendmsg(sock, &msghdr, 0) >= 0 ? 0 : -1);
+}
+
+#ifndef SPARE_SEND_FDS
+int
+ancil_send_fds(int sock, const int *fds, unsigned n_fds)
+{
+    ANCIL_FD_BUFFER(ANCIL_MAX_N_FDS) buffer;
+
+    assert(n_fds <= ANCIL_MAX_N_FDS);
+    return(ancil_send_fds_with_buffer(sock, fds, n_fds, &buffer));
+}
+#endif /* SPARE_SEND_FDS */
+
+#ifndef SPARE_SEND_FD
+int
+ancil_send_fd(int sock, int fd)
+{
+    ANCIL_FD_BUFFER(1) buffer;
+
+    return(ancil_send_fds_with_buffer(sock, &fd, 1, &buffer));
+}
+#endif /* SPARE_SEND_FD */
diff --git a/orbotservice/src/main/jni/libancillary/test.c b/orbotservice/src/main/jni/libancillary/test.c
new file mode 100644
index 0000000..d3c1fda
--- /dev/null
+++ b/orbotservice/src/main/jni/libancillary/test.c
@@ -0,0 +1,112 @@
+/***************************************************************************
+ * libancillary - black magic on Unix domain sockets
+ * (C) Nicolas George
+ * test.c - testing and example program
+ ***************************************************************************/
+
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include "ancillary.h"
+
+void child_process(int sock)
+{
+    int fd;
+    int fds[3], nfds;
+    char b[] = "This is on the received fd!\n";
+
+    if(ancil_recv_fd(sock, &fd)) {
+	perror("ancil_recv_fd");
+	exit(1);
+    } else {
+	printf("Received fd: %d\n", fd);
+    }
+    write(fd, b, sizeof(b));
+    close(fd);
+    sleep(2);
+
+    nfds = ancil_recv_fds(sock, fds, 3);
+    if(nfds < 0) {
+	perror("ancil_recv_fds");
+	exit(1);
+    } else {
+	printf("Received %d/3 fds : %d %d %d.\n", nfds,
+	    fds[0], fds[1], fds[2]);
+    }
+}
+
+void parent_process(int sock)
+{
+    int fds[2] = { 1, 2 };
+
+    if(ancil_send_fd(sock, 1)) {
+	perror("ancil_send_fd");
+	exit(1);
+    } else {
+	printf("Sent fd.\n");
+    }
+    sleep(1);
+
+    if(ancil_send_fds(sock, fds, 2)) {
+	perror("ancil_send_fds");
+	exit(1);
+    } else {
+	printf("Sent two fds.\n");
+    }
+}
+
+int main(void)
+{
+    int sock[2];
+
+    if(socketpair(PF_UNIX, SOCK_STREAM, 0, sock)) {
+	perror("socketpair");
+	exit(1);
+    } else {
+	printf("Established socket pair: (%d, %d)\n", sock[0], sock[1]);
+    }
+
+    switch(fork()) {
+	case 0:
+	    close(sock[0]);
+	    child_process(sock[1]);
+	    break;
+	case -1:
+	    perror("fork");
+	    exit(1);
+	default:
+	    close(sock[1]);
+	    parent_process(sock[0]);
+	    wait(NULL);
+	    break;
+    }
+    return(0);
+}
diff --git a/orbotservice/src/main/jni/pdnsd/AUTHORS b/orbotservice/src/main/jni/pdnsd/AUTHORS
new file mode 100644
index 0000000..fa0454e
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/AUTHORS
@@ -0,0 +1,58 @@
+Most of pdnsd was written by Thomas Moestl (tmoestl@xxxxxxx).
+In the "par" versions large parts of the code have been revised
+and several features have been added by Paul Rombouts.
+
+Small parts of this program are based on code that  was taken from nmap (IP 
+checksumming), the isdn4k-utils (ippp interface uptest), glibc 2.1.2 (some
+definitions for kernel 2.2.x missing in 2.0 glibcs) and FreeBSD
+(SIZEOF_ADDR_IFREQ in netdev.c).
+nmap was written by Fyodor. The insd4k-utils were written by Fritz Elfert and
+others. The GNU C library (glibc) is copyright by the Free Software 
+Foundation.
+
+The following people have contributed code:
+Andrew M. Bishop	contributed support for server labels
+Carsten Block	        contributed 'configure'-able rc scripts
+Stephan Boettcher	contributed the SCHEME= option.
+P.J. Bostley		contributed patches to get pdnsd working on
+			alpha
+Frank Elsner		contributed rc script fixes
+Christian Engstler	contributed patches for SuSE compatability
+Bjoern Fischer		contributed code to make pdnsd leave the case of names
+			in the cache unchanged
+Torben Janssen		contributed RedHat rc scripts
+Olaf Kirch		contributed a security fix for the run_as()
+			function
+Bernd Leibing		contributed fixes to the spec file.
+Sourav K. Mandal	contributed the autoconf/automake code, gdbm
+			caching facility and many suggestions
+Markus Mohr		contributed Debian rc scripts
+Alexandre Nunes		contributed autoconf fixes
+Wolfgang Ocker		contributed the server_ip option
+Soenke J. Peters	contributed patches and suggestions for RedHat 
+			compatability
+Roman Shterenzon	contributed many helpful hints and patches for
+			FreeBSD compatability.
+Andreas Steinmetz	contributed the code for the query_port_start and
+			query_port_end options (which I changed slightly,
+			so blame any breakage on me ;)
+Marko Stolle		contributed the contrib/pdnsd_update.pl script that
+			makes pdnsd usable in a DHCP setup.
+Lyonel Vincent		extended the serve_aliases option to support an
+			arbitrary number of aliases
+Paul Wagland		contributed a patches for bind9-compatability
+			and for some memory leaks on error paths.
+Sverker Wiberg		contributed IPv6 build fixes
+Michael Wiedmann	contributed the pdnsd-ctl.8 man page.
+Ron Yorston		contributed the dev-uptest for Linux ppp dial-
+			on-demand devices
+Nikita V. Youshchenko	contributed extensions to the "if" uptest
+Mahesh T. Pai		contributed the pdnsd.8 man page.
+Nikola Kotur		contributed the Slackware start-up script.
+Kiyo Kelvin Lee		contributed a patch for Cygwin support.
+Rodney Brown		contributed a patch for Darwin (Apple Mac OS X) support.
+Jan-Marek Glogowski	contributed a patch implementing the "use_nss" option.
+
+Please look into the THANKS file for people who helped me in various ways on
+this project.
+If this list is incomplete, pease drop me a mail!
diff --git a/orbotservice/src/main/jni/pdnsd/COPYING b/orbotservice/src/main/jni/pdnsd/COPYING
new file mode 100644
index 0000000..94a9ed0
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/COPYING
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received.  You must make sure that they, too, receive
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+know their rights.
+
+  Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
+  For the developers' and authors' protection, the GPL clearly explains
+that there is no warranty for this free software.  For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
+authors of previous versions.
+
+  Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the manufacturer
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+pattern of such abuse occurs in the area of products for individuals to
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+  The precise terms and conditions for copying, distribution and
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+
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+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
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+may consider it more useful to permit linking proprietary applications with
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diff --git a/orbotservice/src/main/jni/pdnsd/COPYING.BSD b/orbotservice/src/main/jni/pdnsd/COPYING.BSD
new file mode 100644
index 0000000..99fe14a
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/COPYING.BSD
@@ -0,0 +1,26 @@
+A small part of the pdnsd source is licensed under the following BSD-style
+license:
+
+Copyright (C) 2001 Thomas Moestl
+
+This file is part of the pdnsd package.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/orbotservice/src/main/jni/pdnsd/ChangeLog b/orbotservice/src/main/jni/pdnsd/ChangeLog
new file mode 100644
index 0000000..fe77465
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/ChangeLog
@@ -0,0 +1,3304 @@
+2012-04-23  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Refine the return values of p_dns_cached_resolve(), p_dns_resolve() and
+	p_recursive_query() so that they distinguish between answers found in
+	the cache and replies obtained by querying other servers.
+	This, among other things, can be used to prevent data that was recently
+	obtained from the cache needlessly being added back to the cache.
+
+2012-04-22  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* configure.in
+	On the Linux platform, check if we can compile and link with the
+	-pthread flag instead of linking with -lpthread.
+
+2012-04-21  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	When following the delegation chain trying to get an authoritative
+	answer, pdnsd would answer with SERVFAIL if it failed to get a reply
+	from the last server in the chain. Instead pdnsd will now use the last
+	reply in the chain with RCode=0 that raised the AA or RA flag, if there
+	is one.
+
+2012-04-19  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	In report_cache_stat(), make copies of volatile data to get a
+	consistent data set before making calculations with cache size and
+	entry numbers.
+
+2012-04-16  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/netdev.c
+	If we can't open /proc/net/if_inet6 in is_local_addr() log a warning
+	message.
+
+2012-04-15  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	The code checking for duplicate IP addresses obtained from NS records
+	in auth_ok() has been slightly optimized.
+
+2012-04-12  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	When resolving nameservers obtained from NS records, allow pdnsd to use
+	more than one IP address per nameserver.
+	In rare cases, using just one IP address for each nameserver will cause
+	unnecessary resolve failures if the address chosen for each nameserver
+	happens to be unreachable while the other addresses would lead to
+	successful resolution, as demonstrated by Yuri Vorobyev.
+
+2012-03-16  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	When adding RR records one by one to a cache entry using add_cent_rr(),
+	use the smallest ttl value in case of conflicting ttls.
+	Code for local/nonlocal conflict resolution has been taken out of
+	add_cent_rr_int() and put into add_cent_rr() and cr_check_add()
+	which should be slightly more efficient.
+
+2012-03-15  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Enforcing strict RFC 2181 compliance by rejecting all the answers
+	with inconsistent ttl timestamps can cause undesirable resolve failures.
+	I have tried to implement a more compromising solution, whereby
+	inconsistent answers that should be normally rejected are still never
+	cached, but are nevertheless used as intermediary or temporary results
+	if all else fails.
+
+2012-03-13  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Fixed a typo in rr_to_cache() that caused pdnsd to fail to compile when
+	configured with the --enable-strict-rfc2181 option.
+	Thanks to Gonzalo L. R. for reporting this problem.
+	Also changed the return value of rr_to_cache() from a simple boolean to
+	an RC code in order to properly distinguish between memory allocation
+	errors and time-stamp inconsistencies.
+
+2012-02-21  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	If we have used EDNS in a query and the remote server answered
+	with rcode "format error", try again with the OPT pseudo-record
+	removed from the additional section of the query.
+
+	Also fixed a bug in p_exec_query() that caused pdnsd to behave
+	as if every reply with a non-empty additional section contained
+	an OPT record.
+
+2012-02-15  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c,src/helpers.c,src/helpers.h,src/icmp.c,
+	  src/ipvers.h,src/main.c,src/netdev.c
+	Introduced a new macro SEL_IPVER() to reduce some of the clutter in the
+	code caused by having to support both IPv4 and IPv6.
+
+2012-01-31  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* configure.in
+	Add AM_PROG_CC_C_O line to configure.in to prevent automake warning.
+
+2012-01-29  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	In report_cache_stat(), add the average number of bytes used per cache
+	entry when reporting the cache status, as suggested by M. Galabant.
+
+2012-01-28  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c,src/dns_query.c
+	Cleaned up the code a bit to avoid warning messages when
+	compiling with '-Wall -Winline' flags.
+
+2012-01-18  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conff.c
+	Set the default of the edns_query option to false.
+
+2011-07-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	Use a slightly more sophisticated merge-sort algorithm in sort_rrl().
+
+2011-05-09  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	In compose_answer(), also add an OPT pseudo-RR to the additional section
+	of a NXDOMAIN reply when appropriate.
+
+2011-05-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c,src/cache.h,src/dns_query.c,src/status.c
+	Make the dns_cent_t struct more compact by putting the fields that are
+	only used for either non-existent or existent domains, but not both,
+	into a union so that these fields can share memory.
+	When saving the cache to file, only write the TTL and time-stamp for
+	a whole domain when it is negatively cached.
+
+2011-05-06  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c,src/cache.h,src/dns_query.c
+	At the request of Andrei Caraman, the TTL of a negatively cached domain
+	is now adjusted in accordance with the min_ttl and max_ttl options, just
+	as it is done for (negatively) cached records.
+	Additional change to the TTL policy is that for negative records (and
+	negative domains) the neg_ttl setting overrides min_ttl if
+	neg_ttl < min_ttl.
+
+2011-04-26  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c
+	Fixed memory leak that can occur when the configuration file is reloaded
+	and an error is encountered while parsing the definition of a TXT
+	record.
+
+2011-03-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/make_rr_types_h.pl,src/cache.h,src/cache.c,src/dns_answer.c
+	Introduced arrays rrmuiterlist and rrcachiterlist to make iterating
+	over all possible RR types in a cache entry in strict ascending order
+	a little more efficient.
+
+2011-03-09  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c,src/conf-parser.c,src/conf-keywords.h
+	Implemented a new config option "outgoing_ip", which
+	makes it possible to bind outgoing connections to
+	a specific interface.
+
+2011-02-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/netdev.c
+	Fixed UDP socket descriptors leak in the implementation of
+	is_local_addr() for the FreeBSD platform. Thanks to Ashish Shukla for
+	reporting this bug.
+
+2011-02-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	In purge_all_rrsets(), also free the rrext array if it has become empty after
+	purging all the RR sets.
+
+2011-02-04  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conff.c,src/conff.h,src/conf-parser.c,src/conf-keywords.h,
+	  src/dns_query.c,src/dns_query.h,src/servers.c
+	Changed "edns_query" from a "global" option to a "server"
+	configuration option.
+
+2011-02-04  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conff.c,src/conff.h,src/dns_query.c,src/dns_query.h,src/servers.c,
+	  src/conf-parser.c
+	The query uptest sometimes fails because some DNS servers are configured
+	to ignore empty queries. The new config option "query_test_name" makes
+	it possible to query for a specific name instead.
+
+2011-02-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	When processing a reply from a remote name server which seems to delegate
+	to other name servers, check if the names for which NS records have
+	been supplied have locally defined NS records. If so, the local
+	records will now override those supplied by the remote server.
+
+2011-01-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c
+	Added support for defining TXT records in the configuration file.
+
+2011-01-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Do not cache additional records from a response that is rejected because
+	it contains IP addresses in the reject list, even when the reply
+	is processed as a NXDOMAIN reply.
+
+2011-01-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c
+	Modified the function scan_string() to allow back-slashed escape
+	sequences in strings.
+
+2011-01-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c,src/dns_query.c,src/conff.h,src/conff.c,
+	  src/conf-parser.c
+	Added support for EDNS (Extension mechanisms for DNS).
+	Currently this is only useful for allowing UDP message sizes
+	to be larger than 512 bytes.
+
+2011-01-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	To avoid frequent reallocs when composing a DNS reply message,
+	grow the message buffer in multiples of a certain minimum chunk size.
+
+2011-01-19  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns.c,src/dns.h,src/dns_answer.c
+	Extended debugging info with DNS-message lengths and flags of incoming
+	messages.
+
+2011-01-17  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conff.c,src/conff.h,src/conf-parser.c,src/dns_answer.c
+	Made "ignore_cd" option obsolete. It is now effectively always on.
+
+2010-12-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c,src/cache.h,src/dns_answer.c,src/dns_query.c,
+	  src/make_rr_types.pl,src/rr_types.in,src/rr_types.c
+	The array of pointers to rr_set_t structs in the dns_cent_t struct
+	contains mostly null pointers in practice, so is somewhat
+	inefficient in storage usage. This problem is exacerbated if we add
+	support for caching more RR-types. To ameliorate to the problem
+	I have decided to split the array in two, with one part fixed in the
+	dns_cent_t struct as before, and an extension part that will be
+	separately allocated, if necessary. If the extension part is used only
+	for very rarely cached types, in most cases the extension array will not
+	need to be allocated thus hopefully saving memory overall.
+	The lookup tables which are necessary to support the new cache entry
+	structure are cumbersome to write by hand, so I have written a perl
+	script to do this automatically. As an additional benefit, which RR
+	types are cache-able is now configurable for each type separately via
+	rr_types.in.
+
+2010-03-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Using randomized source ports for outgoing queries in IPv6 mode failed
+	with the warning "Out of ports in the range 1024-65535, dropping query!",
+	because the pdnsd tried to bind to the fixed port for incoming queries,
+	instead of the dynamically chosen port. This is a very old bug, but it
+	has only become apparent since source port randomization has become the
+	default.
+	Thanks to Philip-André Fillion, Phil Sutter, Radoslaw Szkodzinski and
+	others for reporting this bug and sending patches.
+
+2009-12-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/status.c,src/status.h,src/pdnsd-ctl/pdnsd-ctl.c
+	Add a magic number to pdnsd-ctl command codes to guard against
+	possible incompatibility between the pdnsd-ctl utility and the
+	pdnsd server.
+
+2009-10-18  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Make root-server discovery a little more fault tolerant, i.e. if some
+	of the root-server names don't resolve don't necessarily reject the
+	whole result.
+
+2009-10-17  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/servers.c,src/dns_query.c,src/dns_query.h
+	Implemented automatic root-server discovery, which can now be configured
+	by setting "root_server=discover".
+
+2009-06-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c,src/consts.c,src/consts.h,src/conf-parser.c
+	Changed the default behaviour of the "neg_rrs_pol" option. The default
+	used to be to only cache records negatively in case the AA (authoritive
+	answer) bit in the reply was set. The new default is to also allow
+	negative caching in case the reply has the RA (recursion available) bit
+	set and the query had the RD (recursion desired) bit set.
+	This gives the behaviour that is usually wanted in case "proxy_only=on"
+	is set without having to set "neg_rrs_pol=on", which can be more
+	problematic. The new default can be explicitly set using
+	"neg_rrs_pol=default". The values "on","off" and "auth" are also
+	still available.
+
+2009-06-13  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conff.c,src/conff.h,src/dns_answer.c,src/conf-parser.c,src/conf-keywords.h
+	Included a patch contributed by Andreas Steinmetz that implements a new
+	global configuration option "ignore_cd". pdnsd used to check that the CD
+	bit in the DNS header of queries is zero and return the error code
+	"format error" if it is not. However, considering the meaning of this
+	bit today it appears to be harmless to ignore it, so the new "ignore_cd"
+	is on by default. Setting "ignore_cd=off" gives the earlier strict
+	behavior.
+	Also renamed the the Z1, AU, Z2 bits to correspond with their modern names
+	CD, AD, Z.
+
+2008-12-19  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* pdnsd-1.2.7/src/dns_query.c
+	If pdnsd receives a SERVFAIL response with a non-empty answer section,
+	use the information tentatively if no better response is available.
+	The previous behaviour was to discard the reply completely, which could
+	cause failure to resolve some names.
+	Thanks to Rafal Wijata for providing an example involving PowerDNS servers
+	replying with CNAME records.
+
+2008-09-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	In p_dns_resolve(), try to reduce the burden on root servers further for
+	names ending in "arpa".
+
+2008-08-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	In p_exec_query(), if the reply from a remote name server is negative
+	(either because the rcode is NXDOMAIN or because the answer section
+	contains no records for the queried name), ignore the remaining records
+	in the answer section (in particular do not add them to the cache).
+
+2008-07-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conff.c,src/dns_query.c
+	Made the default of the configuration option query_port_start equal to
+	1024.  Also improved the algorithm used by pdnsd to select random source
+	ports to ensure that each (free) port gets an equal chance of being
+	selected.  This should guarantee random source ports in the range
+	1024-65535, making pdnsd less vulnerable to some of the issues described
+	in CERT VU#800113.
+	The old situation, where pdnsd lets the kernel select the source ports,
+	is still available by specifying query_port_start=none.
+
+2008-07-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Fixed a dangling pointer bug in p_exec_query(), which could cause pdnsd
+	to crash when processing a long reply with many entries in the answer
+	section.
+
+2008-05-12  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c,src/conff.c
+	Added a recursive-depth counter to the read_config_file() and
+	confparse() functions to prevent the possibility of infinite
+	recursion when processing include files.
+	In confparse(), warn when in a server section the root_server option is
+	set in combination with policy=simple_only or policy=fqdn_only.
+
+2008-05-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/ipvers.h
+	Included a patch contributed by Georg Schwarz which selectively undoes
+	a Debian patch contributed by Juliusz Chroboczek on platforms for which
+	the IPV6_RECVPKTINFO macro is not defined (e.g. MacOS X).
+
+2008-05-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
+	The pdnsd-ctl add command can now also be used to define NS records.
+	A wildcard record defined with this command now behaves the same way as
+	one defined in the config file.
+
+2008-05-07  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c,src/conf-keywords.h,src/conff.c
+	Added the ability to process "include" sections in the configuration
+	file.  This makes it possible to place local definitions in separate
+	files and include them from the main configuration file.
+
+2008-05-05  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conff.c,src/conf-parser.c,src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
+	Implemented two new pdnsd-ctl commands, which make it easier to add
+	definitions to the pdnsd cache at run time. "pdnsd-ctl include" is
+	similar to "pdnsd-ctl config" but only processes configuration sections
+	that effect the cache and disallows global and server sections.
+	"pdnsd-ctl eval" directly parses its string arguments as if they were
+	part of a configuration (include) file.
+
+2007-09-15  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns.h,src/dns_answer.c,src/dns_query.c
+	Changed the declarations of various packed structs, by moving the
+	__attribute__((packed)) specifiers from the field level to the struct level.
+	This was necessary to get the correct value for sizeof(rr_hdr_t) when
+	compiling with gcc for the ARM architecture.
+	Thanks to Dirk Armbrust for reporting the problem and supplying the solution.
+
+2007-08-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	Applied a Debian patch contributed by Juliusz Chroboczek which
+	reportedly fixes a problem with pdnsd running in IPv6 mode
+	(IPV6_RECVPKTINFO instead of IPV6_PKTINFO).
+
+2007-08-04  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	When resolving a name recursively, pdnsd would stop querying further
+	name servers as soon as it received a reply with the authority (aa) flag
+	set. Unfortunately, it appears this flag is sometimes raised erroneously
+	in replies. I have implemented a work-around that ignores the aa flag
+	when there appears to be a clear delegation to a sub-domain.
+	Thanks to Nico Erfurth for reporting this problem.
+
+	It appears that pdnsd would also fail to consult servers in the authority
+	section when configured with neg_rrs_pol=on. This has been fixed.
+
+2007-08-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl.c
+	Made the matching of pdnsd-ctl command names and most of the arguments
+	case-insensitive.
+
+2007-07-22  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	Instead of sharing the responsibility for freeing the answer buffer in
+	case of an error amongst different functions, only free it in
+	compose_answer().
+
+	* configure.in, src/Makefile.am, src/test/Makefile.am
+	Merged patch contributed by Pierre Habouzit to deal with CFLAGS the
+	automake way (allowing packagers to override CFLAGS properly).
+
+2007-07-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	For each target name in a SRV record in the answer section, add
+	addresses to the additional section of the response, as is recommended
+	by the RFCs.
+
+2007-07-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/list.c,src/list.h
+	Made modifications to the implementation of dynamic arrays, which
+	should ensure proper alignment on all supported architectures.
+
+2007-07-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* Upgraded pdnsd's license to GPL version 3.
+
+2007-07-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.h,src/dns_query.c
+	The data field of the rr_bucket_t struct is now aligned such that
+	it possible to use straightforward assignment to copy IP addresses,
+	making memcpy unnecessary for this purpose.
+
+2007-07-07  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	If pdnsd fails to connect to a name server using a IPv6 address, it will
+	now retry the connection using a IPv4 address, if available. This allows
+	pdnsd to recover from situations where IPv6 connectivity is temporarily
+	unavailable, but IPv4 connectivity still functions.
+	Thanks to Andreas Ferber for reporting this problem.
+
+2007-07-04  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	I have reordered the arguments of the add_rr() and related
+	functions to make them more consistent with each other.
+
+2007-07-03  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c,src/hash.c
+	pdnsd will no longer immediately abort in add_dns_hash() if it fails
+	to allocate memory for a new hash entry.
+
+2007-07-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conff.c,src/conff.h,src/consts.c,src/consts.h,
+	  src/conf-parser.c,src/conf-keywords.h,src/dns_query.c
+	Implemented the new "reject", "reject_policy" and "reject_recursively"
+	options for the server section of the configuration file.
+
+	* src/ipvers.h,src/conf-parser.c,src/dns.c,src/status.c,
+	  src/pdnsd-ctl/pdnsd-ctl.c
+	Allow local AAAA records to be defined even if pdnsd is compiled
+	without --enable-ipv6, provided there is sufficient support in the
+	C libraries and --disable-new-rrs was not used.
+
+2007-06-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	Previously, when the answer buffer was realloced in add_rr(), an
+	extra 2 bytes used to be reserved, which are unnecessary, as far
+	as I can tell. I have decided to do without these extra 2 bytes,
+	which originate from Thomas Moestl's code. As compensation, I have
+	added extra PDNSD_ASSERT() statements to check that the answer
+	buffer does not overflow.
+
+2007-06-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/status.c, src/pdnsd-ctl/pdnsd-ctl.c
+	Extended the pdnsd-ctl 'add a' and 'add aaaa' commands to allow
+	multiple IP addresses to be specified.
+
+2007-06-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conff.c,src/conff.h,src/conf-parser.c,src/conf-keywords.h,
+	  src/dns_query.c
+	Implemented a new option for the server section of the configuration
+	file: randomize_servers.
+
+	* src/servers.c
+	Improved the debug messages in uptest().
+
+2007-01-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/icmp.c
+	Fixed up the code implementing the ping test in icmp.c,
+	which was broken for 64-bit systems.
+	Thanks to Michael Uleysky for reporting this bug.
+
+2007-01-09  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	auth_ok() now returns 1 if the cache entry has the DF_NEGATIVE flag set,
+	without providing a list of authoritative servers to continue querying.
+	Otherwise if we receive a non-authoritative NXDOMAIN reply and pdnsd
+	is configured with neg_domain_pol=on, pdnsd will continue to try to
+	get an authoritative answer. The intention is that pdnsd
+	stops querying as soon as it gets an "unknown domain" answer.
+
+2006-04-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/main.c
+	pdnsd would segfault if it tried to call log_message() (via the
+	log_warn() and log_error() macros) before the FILE pointer to the debug
+	output stream was properly initialized.
+	Thanks to Thomas Cort for discovering this problem and suggesting a fix.
+
+2006-04-09  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c,src/helpers.c,src/conff.h,src/conff.c
+	I have included a patch contributed by Jan-Marek Glogowski, that
+	implements the configuration option "use_nss". With use_nss=off pdnsd
+	will avoid system functions that may use NSS (i.e. initgroups()), which
+	may need DNS for LDAP lookups, which can lead to long timeouts and
+	stalls if pdnsd itself is used for the DNS lookup.
+
+2006-03-26  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Negative caching of RR sets is now also supported with lean_query=off.
+
+2006-03-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c,src/conf-parser.c,src/main.c
+	I have implemented a new query method: udp_tcp. With this method a UDP
+	query is tried first and, if the UDP answer is truncated, the query is
+	repeated using TCP. This is the behaviour that seems to be recommended
+	by the DNS standards. However, pdnsd wil not discard the truncated
+	answer if the TCP requery fails.
+
+2006-03-24  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	Previously, pdnsd would add at most one additional A (and AAA) record
+	for each record in the answer and authority sections. At the request of
+	Angel Marin, pdnsd will now add all A and AAA records it can find in the
+	cache for each name that produces additional records.
+
+2006-01-02  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	compose_answer() would leak memory if the query contained
+	an unsupported QTYPE or QCLASS. This has now been fixed.
+
+2005-12-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* configure.in
+	TCP-query support is now compiled in by default.
+	It can still be disabled using the configure option
+	--disable-tcp-queries.
+
+2005-12-23  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	Queries received from clients with non-empty answer, authority or
+	additional sections are	now treated as malformed and rejected with
+	rcode 1 (format error).
+
+2005-11-06  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c
+	Time intervals in the configuration files can now be expressed in
+	seconds, minutes, hours, days and weeks, using the suffixes
+	s,m,h,d,and w.
+
+2005-10-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/consts.c
+	In the pdnsd configuration file, true/false and yes/no are now accepted
+	as synonyms for the constants on/off.
+
+2005-08-24  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/helpers.c
+	I have fixed a potential buffer overflow problem that could occur with
+	the 'pdnsd-ctl dump' command.
+	In case of the root domain, the function rhn2str() would write 2 bytes
+	to the output buffer even if size==1. Theoretically (under pathological
+	circumstances) this could have allowed the dbuf buffer in the function
+	dump_cent() to overflow by one byte.
+
+2005-08-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* acconfig.h,src/cache.c,src/conff.c,src/conf-parser.c,src/dns.c,
+	  src/dns_answer.c,src/dns_query.c,src/error.h,src/helpers.c,src/main.c,
+	  status.c
+
+	It appears the newer versions of gcc won't convert a pointer to char
+	into a pointer to unsigned char and vice versa without complaining.
+	The changes I have made should get rid of these distracting warning
+	messages. Unfortunately I had to introduce casts in some cases,
+	which reduces type safety :-(.
+
+2005-08-16  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns.h
+	Some changes were made to the endianess detection code to
+	address problems on Mac OS X v10.4 Tiger.
+
+2005-08-15  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* configure.in
+	Some changes where made to address the reported problems with the
+	configure script on Mac OS X v10.4 Tiger.
+
+2005-08-05  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/status.c,src/dns_answer.c
+	The output of the 'pdnsd-ctl status' command now includes some
+	statistics on the number of query threads.
+
+2005-07-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/main.c
+	It appears that sigwait() can return EINTR under certain conditions.
+	This explains the problems reported by Sanjoy Mahajan with strace
+	and ACPI S3 sleep, which both caused pdnsd to exit prematurely.
+	The return value of sigwait() is now checked and sigwait() is retried
+	if the return value is EINTR.
+
+2005-07-04  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	It appears that some servers that do not support recursive queries
+	answer with "query refused" instead of "not supported". The
+	p_exec_query() function now takes that possibility into account.
+
+2005-07-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	In the processing of queries, I will make a distinction between
+	recoverable errors and non-recoverable ones (typically caused by out of
+	memory conditions). In the case of non-recoverable errors, no attempt to
+	query alternative name servers is made.
+
+2005-06-26  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	In p_recursive_query(), as soon as one of the servers in the q list
+	replied "no error" or "name error", only this reply was examined and
+	the other servers in the q list were ignored. Joshua Coombs has brought
+	to my attention that this strategy sometimes fails when this reply is not
+	authoritative and doesn't contain any usable references to name servers
+	in the authority section.
+	I have modified p_recursive_query() to allow pdnsd to continue querying
+	the remaining servers in the q list as long as we haven't received an
+	authoritative answer or usable authority information. This will allow
+	pdnsd to arrive at the correct answer in some cases where it would
+	formerly fail.
+
+2005-06-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/status.c
+	The "pdnsd dump" command may now also be given an argument
+	consisting of a name beginning with a dot. This will dump information
+	about all names in the cache ending in the given name. An argument
+	consisting of a name without a leading dot will only give information
+	about the exact name, as it did before.
+
+2005-06-24  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/servers.c,src/status.c
+	All uptests are now conducted by the server status thread. If a retest
+	is requested via a "pdnsd-ctl server", an existing server status thread
+	is signaled or a new server status thread is spawned if the old one has
+	exited. This has the effect that a "pdnsd-ctl server label retest"
+	command will now return immediately without waiting for the tests to
+	finish.
+
+2005-06-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c,src/servers.c,src/servers.h
+	At the request of Al-Junaid Walker I have added a new configuration
+	option for the uptest interval. With "interval=ontimeout" the server is
+	not tested at startup/reconfig, or at regular intervals, but only after
+	a DNS query to a server times out. However, once a server is declared
+	dead it is never considered again unless it is revived using a
+	"pdnsd-ctl config" or "pdnsd-ctl server" command.
+
+2005-06-19  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/servers.c,src/dns_query.c,src/icmp.c
+	During an uptest the server configuration data is locked. Especially
+	with ping or query uptests of unresponsive servers this means that the
+	execution of "pdnsd-ctl config" or "pdnsd-ctl server" commands can be
+	delayed for a long time (or even time out). I have made modifications
+	that allow a "pdnsd-ctl config" or "pdnsd-ctl server" commands to
+	interrupt pending uptests to allow these commands to proceed without
+	delay in most cases.
+
+	* src/thread.h
+	Use the POSIX sigaction() instead of signal() to install signal handlers.
+
+2005-06-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c,src/dns_query.c
+	I have defined a struct dns_msg_t that includes a message length field.
+	In the case of sending a DNS message over TCP, we no longer need a
+	separate write() call to send the message length. This prevents possible
+	packet fragmentation.
+
+2005-06-07  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	The query_method=tcp_udp option only used to work with cooperative name
+	servers, i.e. servers that either send back a TCP reply or explicitly
+	refuse the TCP connection request. This wasn't sufficiently satisfactory
+	in practice, because some name servers are completely unresponsive to TCP
+	connection requests. I have made modifications to allow pdnsd to try UDP
+	queries in case TCP connections time out. When a short server timeout is
+	combined with a global timeout that is at least twice as long, this may
+	allow a query to a name server that only responds to UDP queries to
+	succeed with query_method=tcp_udp.
+
+2005-04-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c,src/hash.c,src/conff.c,src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
+	The "pdnsd-ctl empty-cache" command now accepts additional arguments;
+	these are interpreted as include/exclude names. During execution of the
+	command the name of each cache entry is matched against the names in the
+	include/exclude list. If the name ends in a name to be included, the
+	cache entry is deleted, otherwise not.
+	This feature was added at the request of Joshua Coombs.
+
+2005-04-19  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c, src/hash.c
+	pdnsd will now (temporarily) unlock the cache between emptying hash
+	buckets, this should allow pdnsd to remain responsive while executing
+	the "pdnsd-ctl empty-cache" command. However, this only applies to DNS
+	queries; pdnsd will not accept any new pdnsd-ctl commands while a
+	pdnsd-ctl command is still running.
+
+2005-03-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* configure.in, src/hash.h
+	I have added a new configure option --with-hash-buckets=...
+	This makes it possible to specify a different number of
+	hash buckets without editing the source files.
+
+2005-03-17  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/error.c
+	When running in both daemon and debug mode, print warning and
+	error messages to debug file as well as the syslog.
+
+2005-03-15  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	Only call pthread_setspecific() in debug mode, because
+	pthread_getspecific() is also only used in debug mode.
+	If pthread_setspecific() fails, treat this as a non-fatal error.
+
+2005-03-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* configure.in
+	On Linux systems the configure script will now try to detect automatically
+	whether the system implements the Native POSIX Thread Library, but
+	the method is not necessarily foolproof.
+
+	* src/dns.c
+	Local PTR records generated for resolving numeric IPv6 addresses back into
+	names, are now based on ip6.arpa instead of ip6.int, because the latter domain
+	will be phased out eventually.
+
+2005-03-06  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* Makefile.am,src/cache.c
+	Create an empty cache-file at install time and don't complain about empty
+	cache files at start up.
+
+2005-02-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* acconfig.h,configure.in,src/conf-parser.c,src/conff.h,src/dns.h,
+	  src/dns_answer.c,src/dns_query.c,src/error.h,src/helpers.h,src/icmp.c,
+	  src/ipvers.h
+
+	I have applied some changes to the code proposed by Rodney Brown to improve
+	portability. In particular, pdnsd should now compile on the Darwin platform
+	(Apple Mac OS X).
+	To support some of these changes, the source package is now built with a
+	slightly more modern version of autoconf (2.57) and automake (1.6.3).
+
+2005-01-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns.c,src/dns_answer.c,src/dns_query.c
+
+	I have added some extra debug code to make it easier to discover the
+	reason that pdnsd considers a query or reply malformed (format error).
+
+2005-01-12  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns.c,src/dns_answer.c,src/dns_query.c
+
+	I have extended some debug code contributed by Kiyo Kelvin Lee to dump
+	the data received by pdnsd in debug mode (queries from clients, replies
+	from name servers). Because this will give very verbose debug output,
+	I've arranged it so that this data dump only occurs if pdnsd has been
+	configured and compiled with --with-debug=9 and pdnsd has been called
+	with -v9.
+
+	Additionally, in the case that pdnsd rejects a reply from a name server
+	because it is not well formed, I have refined the debug messages to
+	distinguish between format errors due to unexpected truncation and
+	others kinds of format errors.
+
+2004-10-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/rr_types.c
+	I have included some changes proposed by Joseph Pecquet to address
+	the compilation problems reported by FreeBSD users.
+
+2004-10-18  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* acconfig.h,configure.in,src/helpers.c,src/helpers.h,src/dns.h
+	I have merged a patch for CYGWIN support by Kiyo Kelvin Lee into
+	my version of the code.
+
+2004-10-15  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	Invalidating local records with the pdnsd-ctl did not work the way the
+	documentation described. An invalidated local record would be always be
+	purged at the next lookup, thus invalidation would practically have the
+	same effect as deletion. An invalidated local record is of no use at all and
+	would occupy space until it is purged during a lookup (but not by purge_cache).
+	The function invalidate_record() now behaves as the documentation describes, i.e.
+	invalidation of local records has no effect.
+
+2004-09-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* doc/pdnsd.conf.5.in
+	A new man page describing the format of the pdnsd config file has been
+	added to the pdnsd package. I've used a customized Perl script to generate
+	one automatically from the html documentation.
+
+2004-09-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/hash.c
+	The cache entries in a hash chain are now stored in order of increasing long hash
+	value. The advantage is that if an name is looked up that is not present in the
+	cache, this can be done by comparing with only half (on average) of the number
+	of entries in the hash chain. Not a huge speed up, but still worth while, I think.
+	Additionally, the number of hash computations for each add_cache() call has
+	been halved.
+
+2004-09-11  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	insert_rrl() will no longer add local records to the rr_l list, because
+	purge_cache() ignores them anyway.
+
+2004-09-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns.h,src/cache.c,src/dns_query.c,src/dns_answer.c,src/conf-parser.c
+	I've started using GETINT16,GETINT32,PUTINT16,PUTINT32 macros, which are based
+	on the NS_GET/NS_PUT macros that can be found in the BIND source, instead of memcpy
+	for fetching and storing non-aligned integer data.
+
+2004-09-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c,src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
+	New pdnsd-ctl command: "pdnsd-ctl dump" will print information about all the
+	entries contained in the cache.
+	"pdnsd-ctl dump <name>" will only print entries belonging to <name>.
+	The data fields of the more common rr-types will be printed in human readable
+	form, the remaining ones in a hexadecimal representation.
+	With thanks to Dan Jacobson for suggesting this feature.
+
+2004-08-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c
+	At the suggestion of Dan Tihelka, I have expanded to the server_ip= option
+	to allow the name of an interface to be specified instead of an IP address.
+	pdnsd will not bind to the interface name, but will lookup the address the
+	interface has at start up, and listen on that address. If the address
+	of the interface changes while pdnsd is running, pdnsd will not notice that.
+
+2004-08-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.h,src/cache.c
+	I've reversed the meaning of the CF_NOAUTH and renamed it CF_AUTH.
+	I've also added a domain level flag DF_AUTH, which is used to
+	mark cache entries obtained from authoritave replies in response to
+	a query of type * (all)..
+
+2004-08-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	I've changed the format of the cache file. A typical cache entry has empty
+	sets for most RR types (even more if DNS_NEW_RRS is defined). In the old
+	format, each empty RR set was represented by a zero byte.
+	In the new format only non-empty sets are respresented, leading
+	to a (modest) reduction is size.
+
+2004-08-28  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c
+	New option for "rr" sections in the config file: reverse=on/off.
+	If you want a locally defined name to resolve to a numeric address and vice
+	versa, you can now achieve this by setting reverse=on before defining the
+	A record, making it unnecessary to define a seperate PTR record for the reverse
+	resolving.
+
+2004-08-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.h,src/cache.c,src/conf-parser.c,src/dns_query.c
+	At the request of Daniel Black, I have added support for defining local wildcard records
+	in pdnsd. The only type supported presently is records beginning with '*.'.
+
+2004-08-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/hash.c,src/cache.c,src/dns_query.c,src/dns_answer.c
+	Sampo Lehtinen has remarked that pdnsd sometimes failed to resolve classless
+	reversed-delegated IP addresses, and that this has something to do with the fact
+	that pdnsd did not accept '/' characters in domain names. After reading Sampo's
+	and Thomas' remarks, and also rfc2317 and some of the rfc's referenced in rfc2317,
+	I decided pdnsd should place no restrictions at all on the types of characters it
+	allows in domain names, only on the lengths of the byte sequences.
+	This led me to make some quite extensive internal changes to pdnsd. Among other
+	things domain names are now stored in transport format (sequences of bytes preceded
+	by length bytes) instead of C strings. This is also more efficient because there
+	is no need any more to convert from one representation to the other, except when
+	reading the config file, interacting with pdnsd-ctl or running in debug mode.
+	Conversion between the two representations isn't always possible, though.
+	For example, domain names in transport format might contain non-printable characters.
+	These are now printed as escape sequences (three octal digits preceded by a back slash).
+	Presently there are still restrictions on the characters in the domain names that can
+	be defined in local records. I doubt this will ever be considered a problem.
+
+2004-08-02  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	The code for handling NXT records was flawed. A response from a remote server
+	containing NXT records (even well-formed ones) could cause pdnsd to crash.
+	The code for handling NAPTR records contained incorrect PDNSD_ASSERT statements,
+	which could cause pdnsd to abort unnecessarily.
+
+2004-07-25  Paul A. Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/list.h,src/list.c,src/dns.c,src/dns_query,src/dns_answer.c
+	I've noticed that some of the (dynamic) arrays that pdnsd uses are quite sparse.
+	Instead of using an array structure with elements that are large enough to contain
+	the largest possible domain name, I've implemented a "list" data structure that
+	is more compact. The elements of a list can only be accessed sequentially from
+	beginning to end, but it allows more efficient memory use in case the names are
+	significantly shorter that the maximum.
+
+2004-07-22  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c
+	I've expanded pdnsd's configuration options by adding support in pdnsd for reading
+	/etc/resolv.conf style files. Instead of specifying IP addresses in a server section,
+	the option "file=<filename>" can be used.
+	The IP addresses in the lines beginning with "nameserver" will be added to
+	the list of address for that section, the remaining lines will be ignored.
+	To avoid the possibility that pdnsd will query itself, local addresses are skipped
+	(unless pdnsd is configured to listen on a different port number).
+
+2004-07-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.h,src/cache.c,src/dns_query.c,src/conf-parser.c
+	New option for "server" sections in the config file: root_server=on/off.
+	In case a server section contains only addresses of root servers, which
+	usually only give the nameservers of top level domains in their reply,
+	setting root_server=on will enable certain optimizations. This involves using
+	cached information to reduce queries to the root servers, thus speeding up
+	the resolving of new names. This option is also necessary to make the
+	delegation_only option work in combination with root servers.
+
+2004-07-16  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c,src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
+	New pdnsd-ctl command: "pdnsd-ctl empty-cache" will make pdnsd delete its entire
+	cache, freeing all entries. This is useful for debugging purposes, or in situations
+	where you suspect that stale cache entries are causing you problems, but you are not
+	sure which ones.
+
+2004-07-11  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c,src/dns_query.c
+	I've removed the use of the function add_cache_rr_add(), which was used to
+	add additional RR records to the cache one at a time. I've changed the code
+	in dns_query.c such that additional (or off-topic) records are first collected
+	in arrays of dns_cent_t structures, and then added to the cache using add_cache().
+	With this approach only one function, viz. add_cache(), is used for adding
+	new entries to the cache, which I believe leads to a cleaner programming
+	interface. Added benefit is that query serial numbers are no longer
+	necessary.
+
+2004-07-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.h,src/cache.c,src/dns_query.c,src/dns_answer.c
+	I've added two new field to the dns_cent_t struct, namely c_ns and c_soa.
+	These will be used to remember references to NS and SOA records in the authority
+	sections of replies from remote name servers.
+	This information can be used by pdnsd to fill in the authority section of its
+	own reply.
+
+2004-06-25  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c,src/servers.c,src/consts.c
+	I've added an new server availability test which can be selected with "uptest=query".
+	This can be useful as an alternative to "uptest=ping" in case the remote server does not
+	respond to ICMP_ECHO requests at all, which unfortunately is quite common these days.
+	"uptest=query" causes pdnsd to send an empty query to remote nameservers. Any well-formed
+	response (apart from SERVFAIL) within the timeout period will be interpreted as a sign that the
+	server is "up".
+	In a sense this new availability test can actually be considered more reliable than the
+	other ones that pdnsd supports.
+	With thanks to Juliusz Chroboczek for suggesting this feature.
+
+2004-06-24  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/helpers.c
+	Don't use getpwnam() while we are multi-threaded, because it returns a pointer to
+	a statically allocated structure. I will use getpwnam_r() instead, which is thread
+	safe. Unfortunately there seem to be some portability problems with getpwnam_r().
+	For those platforms that lack getpwnam_r(), I will keep the old code with getpwnam()
+	as an alternative.
+
+2004-06-23  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/servers.c
+	Check that the number of IP addresses in a server section is nonzero before
+	testing servers for availability. Otherwise pdnsd could crash in debug mode.
+
+2004-06-21  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/conff.c,src/conf-parser.c,src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
+	New pdnsd-ctl command: "pdnsd-ctl config" will make pdnsd re-load its configuration file.
+	In most cases (but there are still some exceptions) this is preferable
+	to restarting pdnsd after making changes to the configuration file.
+	An important advantage is that there should be no perceptible interruption in the dns service
+	when using the reload command.
+	An alternative config file can be specified with "pdnsd-ctl config <filename>".
+
+2004-05-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c,src/dns_query.c,src/dns_query.h
+	I've made an adjustment to p_recursive_query() and related functions, so that
+	when pdnsd chases name servers in pursuit of authoritative records, it avoids
+	all the name servers already queried for the same name in the recursive calling
+	chain, not just the servers most recently used.
+	Although the hops counter will already break any possible cycles, this will
+	allow pdnsd to detect pathological cycles earlier and waste less resources.
+
+	* src/cache.c
+	In add_cache(), don't add empty entries to the cache. Empty cache entries
+	waste memory and are more persistent than non-empty ones, because purge_cache()
+	cannot get rid of them.
+
+2004-05-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c,src/dns_query.c,src/icmp.c,src/netdev.c
+	I've removed the calls to getprotobyname() and used the constants IPPROTO_TCP
+	and IPPROTO_UDP instead. First of all, it doesn't seem very efficient to call
+	a function repeatedly to look up the same well-known protocol numbers.
+	More importantly, getprotobyname() stores its results in a statically-allocated
+	structure and thus cannot be considered thread safe. (getprotobyname_r()
+	is thread safe, but is not portable.)
+
+2004-05-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	I've noticed that when pdnsd is restarted shortly after it has answered a TCP
+	query, it is often not able to bind to the TCP socket again, resulting in a
+	disabled TCP server thread. The solution appears to be to set the SO_REUSEADDR
+	socket option before binding the socket. This allows you to use the same port even
+	if it is busy (in the TIME_WAIT state).
+	I found the code for this in a patch file from an old Debian package.
+
+2004-05-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Joseph Pecquet has reported that version 1.1.11 does not compile under FreeBSD v4.x
+	because the macro ENONET is undefined. I've bypassed the problem by surrounding
+	the case line using this value with conditional preprocessor directives.
+
+2004-05-08  Paul  Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/rc/Slackware/rc.pdnsd
+	I've included a Slackware start-up script contributed by Nikola Kotur.
+
+2004-05-05  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* doc/pdnsd.8
+	I'm very grateful to Mahesh T. Pai for contributing a pdnsd man page,
+	which was still missing up till now.
+
+2004-04-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/servers.c,src/dns_query.c
+	After considering some suggestions made by Juliusz Chroboczek I have made the
+	following changes:
+
+	- After receiving a reply from a remote server mark the server up and update the
+	timestamp so that pdnsd doesn't bother testing this server for availability for a
+	while.
+	- After detecting an error with an send/recv call that indicates a server is
+	unavailable, mark a server down so that pdnsd doesn't bother testing this server
+	for a while.
+	- After server timeouts, uptests are never performed by a query/answer thread,
+	because this may delay the sending of an answer to the client. Instead the
+	timestamp of a server that needs to be tested for availability is set to zero and
+	a condition signal is sent to alert the server status thread, which will carry out
+	the test. Unresponsive servers with uptest=ping will not be marked down
+	immediately any more, but only after the ping test has definitely failed.
+
+	* src/error.c,src/error.h
+	I've moved most of the code previously contained in the DEBUG_MSG macro to a new
+	function debug_msg().
+	The DEBUG_MSG macro now simply expands to "if(debug_p) debug_msg();".
+	This should make the executable a little smaller, and be just as fast when
+	debugging is off. The DEBUG_MSG macro still expands to nothing if pdnsd is built
+	without debugging support.
+
+2004-04-28  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.h,src/dns_query.c
+	I've tried to simplify the finite state machine used for processing parallel
+	queries, by merging the "state" and "nstate" variables used by p_exec_query() and
+	p_query_sm() resp. into one "state" variable.
+	By introducing an extra field "iolen" to keep track of the number of bytes read
+	from or written to a socket, I could also reduce the number of states for TCP
+	queries. The new code has the additional advantage that it can handle situations
+	that require multiple read() calls to receive a response.
+
+2004-04-14  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	I've added an extra check comparing the number if poll/select events actually
+	handled to the return value of poll/select. This should reduce the chance that
+	pdnsd will get caught in a busy spin due to unknown remaining bugs. An error
+	message is logged and an error code is returned when this comparison fails.
+
+2004-04-13  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.h,src/dns_query.c
+	I got rid of the event field in the query_stat_t struct.
+	I think it is redundant, because its value can be quite simply derived from
+	the nstate field.
+
+2004-04-12  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	I appears there was flaw in the code for handling a "Not Implemented" response
+	from a remote server with the RA (recursion available) bit equal to zero. This
+	could cause pdnsd to get into a busy spin. I traced the flaw back to Thomas
+	Moestl's code, so it must be in all the versions of pdnsd I know of. In previous
+	versions of pdnsd the busy spin would eventually time out. Due to some recent
+	changes the loop would no longer time out, making the bug more noticeable.
+	With thanks to Nicolas George for reporting the bug.
+
+	I also discovered a closely related flaw that would cause pdnsd to poll() closed
+	file descriptors. It usually works out OK in practice, but it is definitively not
+	the correct way to do it.
+
+	Additionally, I discovered some opportunities to save memory, e.g. by replacing
+	the nsname buffer in the query_stat_t struct by a pointer to an already existing
+	copy of a name.
+
+2004-04-10  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	Nicolas George remarked that he thought it was strange that subdomains of domains
+	negated with "neg" sections in the config file were not also negated. I thought that
+	he had a point, and I've implemented a change so that negating example.com will
+	now also negate www.example.com, xxx.adserver.example.com, etc.
+
+2004-04-09  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/error.c,src/error.h
+	I noticed that the code for the log_warn() and log_error() functions was almost
+	identical, even to the point that log_warn() called syslog() with LOG_ERR
+	priority. I've merged these two functions into one log_message() function.
+
+2004-04-08  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/main.c,src/conf-parser.c
+	The -4 and -6 command-line options should now work as advertised.
+	This wasn't entirely trivial. The rule is that options on the command line
+	override those in the configuration file. The easiest way to implement this is to
+	process the command-line options after reading the configuration file. But this
+	doesn't work for the -4 and -6 options, because the run_ipv4 flag determines how
+	IP addresses in the config file are parsed. I've inserted some extra tests and
+	warning messages that will hopefully make this setting nearly foolproof.
+
+	I've added two new command-line options, "-a" and "-i <prefix>".
+	With the -a flag pdnsd will try to detect automatically if IPv6 support is
+	available on a system, and fall back to IPv4 if not. The -a flag can be used
+	instead of -4 or -6.
+
+	In IPv6 mode, pdnsd will now automatically convert IPv4 addresses to IPv6-mapped
+	addresses. The -i option can be used to specify a prefix for this mapping. The
+	default is ::ffff.0.0.0.0
+	There is also a corresponding ipv4_6_prefix= option for the config file.
+
+	In IPv4 mode, if IPv6 support is compiled in, pdnsd will now skip IPv6 addresses
+	in the config file (except for the server_ip and ping_ip options) with a warning
+	message. This allows you to have mixed sets of IPv4 and IPv6 address in the same
+	config file, although in IPv4 mode some server sections may become inactive.
+
+	With thanks to Juliusz Chroboczek for suggesting these changes.
+
+2004-04-07  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	I've changed some of the cache-flag definitions to make debugging a little simpler.
+	Unfortunately, this makes the cache files of previous pdnsd versions incompatible
+	with the new one. I've introduced a cache version identifier to be added at the
+	beginning of each cache file. This enables pdnsd to recognize and discard
+	incompatible cache files.
+
+2004-04-05  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.h,src/cache.c
+	I've changed the way CACHE_LAT (cache latency, normally 120 secs) is used to
+	determine whether a cache entry has timed out. Instead of simply adding it to the
+	ttl (time to live), I use CACHE_LAT if the ttl is less then CACHE_LAT, else the
+	ttl itself, making CACHE_LAT the minimum ammount of time a cache entry stays in
+	the cache.
+
+2004-04-02  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	I've introduced a global timeout parameter. This is the minimum period of time
+	pdnsd will wait after sending the first query to a remote server before giving
+	up without having received a reply.
+	The timeout options in the configuration file are now only minimum timeout intervals.
+	Setting the global timeout option makes it possible to specify quite short timeout
+	intervals in the server sections. This will have the effect that pdnsd will start
+	querying additional servers fairly quickly if the first servers are slow to respond
+	(but will still continue to listen for responses from the first ones).
+	This may allow pdnsd to get an answer more quickly in certain situations.
+
+	* src/dns_query.c
+	When receiving a NXDOMAIN (unknown domain) response from a remote name server,
+	I think it is still useful to process the authority and additional sections,
+	so that pdnsd can possibly add a SOA record to its own response.
+
+2004-04-01  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	In p_recursive_query(), I've slightly changed the way pdnsd does parallel
+	queries. Active queries or not canceled until we have received a useful response
+	from a remote name server, or all the queries have failed or timed out.
+	Thus the par_queries parameter is no longer the maximum number of parallel
+	queries, but rather the increment with which the number of parallel queries is
+	increased when the previous set has timed out.
+	In the worst case all the servers in the list of available servers will be queried
+	simultaneously. We may be wasting more system resources this way, but the advantage
+	is that we have a greater chance of catching a reply.
+	After all, if we wait longer anyway, why not for more servers.
+
+2004-03-31  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	I've noticed that in compose_answer() that while adding the name in the query
+	section it was not passed through compress_name(). While it is true that the
+	first name occurrence cannot be compressed, it is still sensible to process the
+	query name with compress_name() so that the offset can be stored and provide
+	additional opportunities for future compressions.
+	I've tested this with dig and the responses of pdnsd are now usually a little
+	smaller	in size or can hold more information within the 512 byte limit.
+
+2004-03-30  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	I've noticed that pdnsd stored rr records (of the same type) in reverse order
+	in the cache.
+	Although I don't see anything inherently wrong with that, I think it's neater to
+	store them in the order they are processed.
+
+2004-03-29  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	I've rearranged the order of the arguments of some of the functions in cache.c
+	to obtain a more consistent calling interface.
+
+	* src/dns_answer.c
+	I've noticed that pdnsd would only add NS records to an authority section if it could
+	find such records matching the queried name (or the last CNAME in the answer) exactly.
+	However, I understand that a server should try to give NS records as close as possible
+	to the target name in the naming hierarchy.
+	I also understand that if a domain name is reported as nonexisting, or no record of
+	the requested type exists, it is customary to provide a SOA record, searching up the
+	name hierarchy if necessary.
+	I've tried to implement this in compose_answer(), although with some limitations.
+	I only look in the cache, I don't search more then three levels up, and stop before
+	the top level.
+
+2004-03-28  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c,src/dns_answer.c
+	There were some issues with add_cache_rr_add().
+
+	First of all, the way it was used in rr_to_cache() (or rather not used) meant
+	that if an "off topic" record was added for a name that lacked an entry in the
+	cache, the rr set would be created with an incorrect serial number (namely zero).
+	I've rewritten add_cache_rr_add so that it can create new cache entries if necessary.
+	This simplifies the code in rr_to_cache() and ensures correct serial numbers.
+
+	Secondly, in add_cache_rr_add() the ttl was compared with that of an existing rrset
+	without adjusting for the min_ttl and max_ttl options. This could lead to all the
+	previous records being deleted, retaining only the last one.
+
+2004-03-27  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	In compose_answer(), if the rd (recursion desired) bit is set in the query
+	and the response contains a CNAME record (while a different type of record was
+	requested), always do a recursive query on the CNAME, even if we have already
+	added a record of the requested type to the response.
+	Failing to honor the rd bit will cause some resolver libraries to complain,
+	even if the answer contains a record of the requested type.
+
+	I've slightly changed the calling interfaces of add_to_response() and add_rrset()
+	to make them more consistent and efficient.
+
+	In add_rrset() I've fixed a memory leak on one of the error paths.
+
+	In add_additional_rr(), the return value of add_rr() was not checked.
+	If add_rr() fails, it will free *ans, and functions higher up the calling
+	chain could be referencing freed memory.
+
+	I've fixed a potential referencing of freed memory or double freeing in add_additional_a().
+	If a call of add_additional_rr() fails, it will free *ans.
+	Previously, add_additional_rr() could be called a second time, in which case
+	the second call would be referencing freed memory or freeing it a second time..
+
+2004-03-23  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* configure.in, src/Makefile.in,src/pdnsd-ctl/Makefile.in,src/test/Makefile.in
+	Frédéric L. W. Meunier has reported that configure --srcdir option (for building
+	in directory separate from the source directory) was broken.
+	Should be fixed now.
+
+2004-03-20  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c,src/dns_query.c,src/helpers.c,src/icmp.c,src/main.c,src/netdev.c,src/ipvers.h,src/test/if_up.c,src/test/is_local_addr.c,src/test/tping.c,src/test/random.c,src/conf-parser.c
+	I've eliminated the global variable run_ipv6 from the code.
+	Enabling both the IPv4 and IPv6 protocols at the same time is not supported
+	in pdnsd, so the value of run_ipv6 (if it is defined) is simply !run_ipv4.
+
+	* src/dns.c,src/test/is_local_addr.c,src/test/tping.c
+	It appears the option to compile pdnsd without IPv4 support (i.e. only IPv6
+	support) was broken. Should be fixed now.
+
+2004-03-19  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	I've discovered an incorrect use of cache locks in lookup_cache().
+	We only read locks in place, it is possible for purge_cent() to delete a cache
+	entry while another thread is trying to read it at the same time, which could
+	lead to	trouble. I've rewritten purge_cent() so that it can be used to test
+	whether something needs to be purged without actually deleting anything.
+	If something needs to be deleted, purge_cent() will be called again with
+	the proper read/write locks in place, excluding access to the cache for all
+	other threads.
+
+2004-03-18  Paul Rombouts  <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	I've added a new function sort_rrl() for sorting the rr_l list using a merge-sort
+	algorithm. Usually the insertion sort used by insert_rrl() is good enough, because
+	new entries belong near the end most of the time. Reading entries from disk forms
+	an exception, though, because the rrsets in the file are completely out of order
+	w.r.t. timestamps, leading to quadratic time complexity of the insertion sort method.
+	In that case it should be faster to simply append items at the end of the rr_l list
+	and sort using a more efficient algorithm afterwords.
+	pdnsd now seems to start up noticeably faster when reading large cache files.
+	I've also considered using a more sophisticated data structure than a doubly linked
+	list, but this will add considerable complexity to the code and use more memory.
+
+2004-03-13  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	Changed a declaration in udp_answer_thread() so that the buffer used for passing
+	control messages on to sendmsg() is exactly the right size, instead of an arbitrary
+	512 bytes.
+	Also initialized the msg_flags of the struct msghdr passed on to sendmsg() to zero,
+	to keep Valgrind from complaining about uninitialized bytes.
+
+2004-03-12  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/icmp.c
+	Fixed an incorrect call to select() in ping4(). A file descriptor set for detecting
+	exceptions was initialized but not passed on to select(). This would lead subsequent
+	code always to behave as if an IO exception had occurred.
+	Valgrind seems to indicate that when a poll() call times out and returns 0,
+	the revents field of the struct pollfd is not necessarily set.
+	I've changed the code to check that the return value is > 0 before examining the
+	revents field.
+
+2004-02-06  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parser.c,src/conf-parser.h,src/conf-keywords.h
+	I've rewritten the parser for the configuration file in C from scratch.
+	(f)lex and yacc/bison are no longer needed to build pdnsd.
+
+2004-01-16  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/main.c
+	Load the cache from disk without locking cache access because pdnsd
+	is still single-threaded at that point.
+
+2004-01-15  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c,src/hash.c
+	Moved the responsibility for freeing the cache entries referred by
+	the hash buckets from destroy_cache() to free_dns_hash() (which is called
+	by destroy_cache()). Previously, the cache and hash tables were already
+	completely destroyed by the time free_dns_hash() was called, and there was
+	nothing left for free_dns_hash() to free.
+
+2004-01-14  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/hash.c,src/make_hashconvtable.c
+	The hash conversion table is now generated at build time instead
+	of at run time when pdnsd is started up.
+
+2004-01-13  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns.c
+	In add_host() fixed incorrect generation of IPV6 type of name for PTR record
+	due to use of && instead of & as masking operator.
+
+2004-01-13  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/icmp.c, src/dns_answer.c
+	Use unsigned long instead of int error counters to reduce the danger
+	of wraparound.
+
+2004-01-06  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/main.c,src/thread.c,src/thread.h,src/server.c,src/status.c,src/dns_answer.c
+	Initialize a global thread attribute object in main.c and use it to create all the detached
+	threads, instead of initializing a separate attribute object for each new thread.
+
+2004-01-06  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	Check the return value of pthread_create() in udp_server_thread()
+	and tcp_server_thread() to ensure that a new answer thread has actually
+	been created and free resources if not.
+
+2004-01-04  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/helpers.c,src/cache.c,src/conff.c,src/status.c
+	Stop writing to control socket after an error has been detected.
+
+2004-01-03  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl.c
+	Tried to make the error messages of pdnsd-ctl more helpful.
+	The complete usage description is now only printed if the 'help' command
+	is used. For problems with other commands a much shorter message is generated
+	specific for that command.
+
+2004-01-02  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/helpers.h
+	Changed the definition of rhnlen(). For valid data this will make no difference,
+	but it may change the behaviour of pdnsd in certain error situations.
+
+2004-01-02  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns.c
+	Optimized compress_name() some more.
+
+2004-01-02  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	Additional code cleanup in compose_answer().
+
+2004-01-01  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* doc/pdnsd-ctl.8
+	Updated the pdnsd-ctl man page.
+
+2003-12-31  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl.c
+	Cleaned up some code.
+
+2003-12-31  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/status.c,src/conff.h,src/conff.c
+	Some further code cleanup in status.c.
+	Labels for server sections are no longer limited to 32 chars,
+	but can have arbitrary length. The string that is used to specify
+	new DNS-addresses with the "pdnsd-ctl server" command can now also
+	have arbitrary length.
+
+2003-12-30  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* doc/html/doc.html
+	Added information about CNAME and MX resource records, that were
+	previously undocumented.
+
+2003-12-26  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Removed the function p_dns_resolve_from(). This function was essentially
+	a call to p_recursive_query() with a dummy nocache argument.
+	p_recursive_query() can now be called with nocache=NULL instead.
+
+2003-12-26  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Using a variable length array instead of an malloced buffer to hold the struct pollfd array
+	in p_recursive_query(). This has the potential for causing portability problems, but I
+	think that's unlikely because almost all the major C compilers I work with support variable
+	length arrays nowadays.
+
+2003-10-18  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/helpers.h,src/helpers.c
+	Fixed a mistake that caused a compile error when using the --with-random-device
+	configuration option.
+	Thanks to Daniel Black for reporting this bug.
+
+2003-10-02  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* conf-lex.l.in,src/conf-parse.y,src/conff.h,src/conff.c,src/dns_query.c
+	Made the "delegation_only" feature configurable.
+
+2003-09-25  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/helpers.c,src/helpers.h
+	Added alternative implementations of strdup, strndup, stpcpy, getline and asprintf
+	in an effort to make the code more portable.
+
+2003-09-22  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/helpers.c,src/conf-parse.y
+	Made some changes to the parser of the configuration file so that domain names
+	missing a dot at the end will be tolerated.
+
+2003-09-21  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Implemented a first version of the "delegation-only" feature.
+	It has been "hard-coded" to work for "com" and "net" zones,
+	and is not yet configurable.
+
+2003-09-21  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns.c
+	Rewrote domain_match(). Also changed the way it is used.
+	I believe it has a cleaner semantics now.
+
+2003-09-21  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Changed the order of the arguments of p_exec_query() and p_recursive_query()
+	to make it more consistent with the other functions.
+
+2003-09-18  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	Reordered the code in process_query() so that a buffer for an error response is
+	allocated only when it is actually needed.
+
+2003-09-17  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	Added parentheses to correct mistaken operator precedence assumption in cache.c.
+	!cent->flags&DF_NEGATIVE is parsed as (!(cent->flags))&DF_NEGATIVE but I think
+	what Thomas Moestl must have intended was !((cent->flags)&DF_NEGATIVE).
+
+2003-09-12  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Fixed a mistake which caused the effect of the proxy_only option to be reversed.
+	Thanks to Andrew M. Bishop <amb@xxxxxxxxxxxxxxxxxxxx> for reporting this bug.
+
+2003-09-11  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/helpers.c
+	Rewrote str2rhn() and rhn2str().
+
+2003-09-10  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns.c
+	Rewrote read_hosts(), the function that reads /etc/hosts-style input.
+	I believe the parsing algorithm is more robust now.
+
+2003-09-09  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/status.c,src/pdnsd-ctl/pdnsd-ctl.c
+	Fixed a bug (my fault) that caused improper passing on of flags for the
+	pdnsd-ctl source command.
+	Also reordered some of the code, so that data is validated after all of it
+	has been read from the control socket. This should prevent a "broken pipe"
+	error message if data validation fails.
+	Also fixed the reporting of success or failure of the pdnsd-ctl "neg" command.
+
+2003-09-08  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/list.c
+	Rewrote da_grow1() and da_resize() so that they automatically allocate an array
+	if given a NULL argument. This makes the use of da_create() redundant in most cases.
+
+2003-09-08  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parse.y,src/servers.c
+	At the suggestion of Greg Norris, I changed the code to allow server sections in the
+	configuration file that don't specify any IP addresses. Such a section will remain
+	inactive until one or more IP addresses are assigned with the control utility pdnsd-ctl.
+
+2003-09-04  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c,src/dns_query.c
+	Oops: in my zeal to declare variables in the smallest possible scope, I ended up
+	using a pointer to a struct that was out of scope. My understanding of compilers tells me
+	it should work out OK in practice, but it is definitely a no-no.
+	Used a union declared in a larger scope instead (which is ugly in another way,
+	but equally efficient).
+	Also removed a section of redundant code in udp_server_thread().
+
+2003-09-01  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Corrected the iteration range of a for loop in p_dns_cached_resolve(), which would
+	otherwise cause an array to be indexed out of bounds in the function set_flags_ttl().
+
+2003-08-31  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_answer.c
+	Added cleanup handlers for freeing the resources passed on to udp_answer_thread() and
+	tcp_answer_thread(). This should ensure the resources are freed even if the threads get
+	canceled.
+
+2003-08-30  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	Revised large portions of code in src/cache.c, used for adding and deleting entries in
+	the cache. In particular, I rewrote purge_cache(), which I believe was incorrect.
+	I wouldn't be surprised if this was the cause of the crashed (defunct) threads that some
+	people were reporting.
+	Also fixed some memory leaks.
+
+2003-08-28  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	Eliminated the overhead of allocation debugging in the case that ALLOC_DEBUG is not defined.
+
+2003-08-24  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/conf-parse.y
+	No longer allow certain settings of the query_method option in the configuration file
+	if pdnsd is not compiled with the necessary support.
+	Thanks to Nikolaus Rath <Nikolaus@xxxxxxxx> for reporting the bug.
+
+2003-08-23  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/netdev.c
+	Fixed a bug in is_local_addr() where the result of fgetc(f) is restricted to type char
+	before being compared to EOF, which can result in the comparison always being false.
+	Thanks to Gerhard Tonn <GerhardTonn@xxxxxxxxxxx> for reporting the bug.
+
+2003-07-28  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* doc/html/index.html,doc/html/doc.html,doc/html/dl.html,doc/pdnsd-ctl.8,contrib/README
+	Revised the documentation.
+
+2003-07-21  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/main.c,src/status.c,src/icmp.c
+	Setting stat_pipe=0 after opening or binding the control socket fails.
+	This should prevent further use of the control socket if a problem with
+	it has been detected previously.
+	Also properly initialized the global variable int ping_isocket in src/icmp.c
+
+2003-07-13  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/main.c
+	Polished the code in main().
+
+2003-07-04  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/helpers.c,src/dns_answer.c,src/dns_query.c
+	Eliminated the use of inet_ntoa() in favor of the more modern inet_ntop().
+	inet_ntop() makes more sense in threaded code and is also recommended in
+	the glibc info pages.
+
+2003-07-03  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c
+	Fixed an allocation size error (not mine) in p_exec_query().
+	The erroneous size is almost always larger than necessary, so in practice this bug
+	just wastes memory. But there is also a possibility that the allocated buffer is too
+	small, which would mean trouble.
+	Also fixed two memory leaks on some of the error paths in p_exec_query().
+
+2003-06-28  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* acconfig.h,configure.in,src/thread.h
+	Extended the configuration option --with-thread-lib.
+	Configuring with --with-thread-lib=linuxthreads2 will cause the alternative
+	definition of THREAD_SIGINIT suggested by Thomas Moestl to be used.
+
+2003-06-27  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/consts.h,src/consts.c,src/conff.c,src/conf-parse.y,src/dns_answer.c
+	Added two new configuration options for policies of inclusion/exclusion lists.
+	The new policies options are "simple_only" and "fqdn_only".
+	This allows me to control to which name servers pdnsd will direct queries for
+	simple host names.
+	I also polished the code a bit in report_conf_stat(), used for reporting the current configuration.
+
+2003-06-20  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* acconfig.h,configure.in,src/thread.h,src/thread.c
+	Added a configuration option --with-thread-lib=nptl.
+	This causes the macro THREAD_SIGINIT to be defined as empty in src/thread.h,
+	and thread_sig() in src/thread.c is never used.
+
+2003-06-11  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/thread.h
+	Undid the change to the definition of THREAD_SIGINIT suggested to me by
+	Thomas Moestl, after receiving a report of a problem with this change
+	from someone running SuSE 7.0.
+
+2003-06-06  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/dns_query.c:
+	Discovered that I failed to preserve the semantics of Thomas Moestl's code
+	when I rewrote a section of code in use_server(). Fixed.
+
+2003-05-19  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c,src/conf-lex.l.in,src/conf-parse.y,src/conff.h,src/dns_answer.c,src/dns_query.c,src/servers.c:
+	Merged fixes contained in patch file sent to me by Thomas Moestl with my own version.
+	Changing the version to 1.1.8b1 as suggested by the patch file.
+
+2003-02-26  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* pdnsd-1.1.7a-par.diff:
+	Made one big patch file from all the changes I made up till now.
+	Wrote a description of the changes in a file README.par
+	Posted patch file on the web so others can use it.
+
+2003-02-24  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* src/cache.c
+	Changed the code that writes the cache to disk.
+	Data is now written strictly sequentially, eliminating the need for fseek().
+	This seems to have successfully solved the problem I had with corrupt cache files.
+
+2002-05-27  Paul Rombouts <p.a.rombouts@xxxxxxx>
+
+	* ChangeLog:
+	Started experimenting with the source code.
+	Made many changes between 2002-05-27 and 2002-07-13.
+	Too lazy to maintain the ChangeLog.
+
+2002-01-06  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* version: Call it 1.1.7.
+
+2002-01-04  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c, src/dns_query.c:
+	Comment and debug message fixes, more assertions.
+
+2002-01-03  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns.c, src/dns_answer.c, src/dns_query.c:
+	More harmless fixes, correct some comments and debug messages, add more
+	assertions.
+
+	* NEWS, version: 1.1.7p2, correct NEWS entry.
+
+	* src/helpers.c:
+	Make sure the calling thread of pdnsd_exit() terminates immediately.
+
+2002-01-02  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c, src/helpers.c, src/icmp.c:
+	Fix a few more harmless bugs, more paranoia.
+
+	* src/status.c: Fix yet more, probably harmless, problems.
+
+2002-01-01  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns.h, src/dns_answer.c, src/dns_query.c:
+	Fix a few more possible buffer size problems, and add a bunch of
+	assertions as last lines of defence.
+
+2001-12-30  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns.c: Build fix (include error.h).
+
+	* NEWS, version: Call it 1.1.7p1, and add a NEWS entry.
+
+	* TODO: Reduce TODO to what actually is still needed.
+
+	* src/dns.c, src/error.h, src/helpers.c:
+	Add a bunch of robustness PDNSD_ASSERT()'s.
+
+	* src/dns_query.c:
+	Fix a bug which may possibly be remotely exploitable to gain access as
+	the user pdnsd runs as.
+	This was caused by a dumb single-character mistake :(
+
+	* doc/Makefile.am, configure.in:
+	Avoid confusing automake 1.5 by not putting a comment into a make rule.
+	Fix CONFDIR passing.
+
+	Submitted by:	GoTaR <gotar@xxxxxxxxxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl.c:
+	Avoid crashing when the buffer contents received using the status command
+	are not terminated.
+
+2001-10-14  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/SuSE/pdnsd.in, THANKS:
+	Fix the stop case for the SuSE rc script: killproc requires the full
+	path of the binary as argument (reported by Bernhard Pelz).
+
+2001-09-23  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* configure.in:
+	Revamp the OS autodetect test. OpenBSD and (hopefully) NetBSD are no longer
+	unsupported.
+
+	* src/helpers.c, THANKS:
+	Do not try to use arc4random when compiling for NetBSD (submitted by
+	Thomas Stromberg).
+
+2001-09-10  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* COPYING.BSD: s/REGENTS/AUTHOR/ in one place.
+
+	* src/cache.c:
+	It is possible no record of the requested type is present after calling
+	cr_add_cent_rr_int() (when the record was marked as being local), so
+	check before dereferencing the pointer to the respective rrset.
+	Leave the record unmodified when cr_check_add() returns 0.x
+
+2001-07-26  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/RedHat/pdnsd.in:
+	Add a workaround for @sysconfdir@ substitutions containing ${prefix}.
+	Spotted by Robert Linden.
+
+2001-07-04  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/RedHat/pdnsd.in:
+	Add a condrestart handler to the Red Hat rc script, and do some general
+	cleanup. Contributed by Christian Engstler.
+
+2001-07-02  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/error.h:
+	Attempt to detect a gcc that cannot yet handle ANSI variadic macros,
+	and work around this by using the old GCC-style variant.
+
+	* src/conff.c:
+	Remove a + at the start of a line that got in when merging a diff by
+	hand.
+
+	* src/servers.c: waitpid() returns a pid_t.
+
+	* src/dns.c:
+	It's sizeof, not sizof. This should unbreak the IPv6 build. Also silence
+	some warnings with appropriate casts.
+
+	* NEWS, version: Call it 1.1.6, and add a NEWS entry.
+
+2001-07-01  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns_query.c, THANKS, version, AUTHORS:
+	Added a modified version of Andreas Steinmetz's code for
+	query_port_start and query_port_range, and added him to AUTHORS and
+	THANKS.
+
+2001-06-23  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/cache.c:
+	Fix a bogon: deleted would not be reset correctly in the first
+	purge_cache loop, which could cause pdnsd to loop forever when a
+	negative record was after a deleted rr.
+
+2001-06-21  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/list.h:
+	Add (currently unused) list macros that are going to be used in future
+	code.
+
+	* src/cache.c:
+	Fix a bogon in the rw lock code: we need to wake up a writer if there
+	are no readers. The old code was a leftover from a time when
+	SUSP_THRESH was just r_pend * x.
+	Fix a typo.
+
+2001-06-13  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* AUTHORS: Add mention of FreeBSD code to AUTHORS.
+
+	* src/netdev.c:
+	Add SIZEOF_ADDR_IFREQ (taken from FreeBSD: _SIZEOF_ADDR_IFREQ, net/if.h
+	rev. 1.58.2.1) and add an appropriate copyright notice.
+	The reason for this is that other BSDs don't have it, and we are not
+	supposed to use underscored macros in portable software.
+
+2001-06-12  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/icmp.c: Fix double #inclusion of <netinet/ip.h>.
+	Noticed by Sebastian Stark.
+
+2001-06-08  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_query.c, THANKS:
+	Allow underscores in the query names reported back, as the comment next
+	to the decompress_name call already indicated (but the call gave NULL
+	as the uscore parameter, which disables underscores normally).
+	Add Michael Ströder, who spotted this, to THANKS.
+
+2001-06-06  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/servers.c, THANKS:
+	Fix a bug discovered by Stefan Erhardt (and add him to THANKS): the
+	return value of waitpid was misinterpreted.
+
+2001-06-04  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* Makefile.am, file-list.base.in, version:
+	Bump version to 1.1.6p1; wire up COPYING.BSD so that it gets included
+	in RPM's and tarballs.
+
+	* COPYING.BSD:
+	Add the BSD-Style copyright notice so that it can be included in binary
+	distributions.
+
+2001-06-03  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns.c, src/dns_answer.c, src/dns_query.c, src/helpers.c, src/status.c, NEWS, version:
+	Bump version to 1.1.5, and add a NEWS entry for this release.
+
+	Miscellaneous cleanups, mainly in the status.c code; fix a bug that
+	could cause heap corruption (rhncpy always clobbered the whole buffer,
+	but only the needed space was reserved in add_rr). This should solve
+	the crashes some people were seeing (this bug is not an exploitable
+	security hole as far as I know; the respective buffer is on the heap,
+	as mentioned).
+
+	* src/error.c:
+	Paranoia: do not use the argument to crash_msg as a format string
+	(crash_msg  is only used with constant strings, though).
+
+2001-06-02  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns.c, src/dns.h, src/dns_answer.c, src/dns_query.c, src/error.h, src/hash.c, src/helpers.c:
+	Correct underscore handling for SRV records, and a few comment fixes.
+
+	* src/cache.c, src/conff.c, src/dns_query.c, src/error.h, src/helpers.h, src/status.c:
+	Numerous non-critical argument fixes for printf-like functions.
+
+	* src/dns.c: Remove superfluous \n's.
+
+	* src/conf-parse.y, src/dns_answer.c, src/status.c:
+	Correct some DEBUG_MSG nits, and fix two format string bugs. One of
+	them could allow users that are allowed to use pdnsd-ctl with the
+	server (when the status socket is enabled) to gain the privileges of
+	the user that runs (the run_as user or the user that started pdnsd on
+	Linux when strict_setuid is set to off) pdnsd. The status socket is
+	disabled by default, and if it is enabled, it's default permissions
+	are quite restrictive, so this isn't a problem for most.
+
+2001-05-30  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/status.c:
+	Make the status permissions actually work (missed last time).
+
+	* src/dns_answer.c, src/main.c, src/status.c, src/status.h:
+	Move the status socket initialization to a place where it gets executed
+	before any threads are started; this way, we can use umask to set the
+	permissions, and avoid a (in this case harmless, but anyway) race
+	condition.
+	While being there, remove obsoleted comments and places referring to
+	the now-socket as fifo.
+
+2001-05-29  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/cache.c:
+	Replace a misuse of CF_LOCAL with DF_LOCAL. This had no effect, because
+	the values are the same.
+
+2001-05-22  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/hash.c, src/helpers.c, THANKS, acconfig.h, configure.in:
+	Add an option for allowing underscores (_) in domain names. This
+	violates the RFC's if enabled (which it isn't by default).
+	Thanks to Eelco Vriezekolk for an initial patch.
+
+	While being there, clean up configure.in and acconfig.c a bit.
+
+	* src/helpers.c, src/status.c:
+	Add a few comments about security implications.
+
+	* src/cache.c, src/dns_answer.c, src/dns_query.c, src/helpers.c:
+	Change some occurences of strcpy to strncpy. Again, no risk here, the
+	buffer lentgh was carefully chosen, and while the data was partially of
+	remote origin, it was carefully validated before entering the cache (and
+	thus having a chance of being used by us).
+	3 occurences remain: 2 in cache.c, where we allocate a sufficient amount
+	of memory before (mimicking the non-portable strdup) and one where
+	we copy a constant and which is obviously correct.
+
+	* src/dns.c:
+	Change two occurences of strcat to strncat. Again, no risk here, the
+	buffer lentgh was carefully chosen, the data was validated and supplied
+	by the starting user.
+
+	* src/dns.c:
+	Change a sprintf to a snprintf and enlarge a buffer a bit. This is pure
+	paranoia (alrhough makes code review easier for others), because a.) the
+	lengths were carefully chosen so that no overrun could occur and
+	b.) this was locally supplied data.
+
+2001-05-21  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/RedHat/Makefile.am:
+	Add a missing semicolon in  the RedHat rc Makefile.am (discovered by
+	Christian Engstler).
+
+2001-05-19  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* HACKING: Remove the mostly outdated HACKING file.
+
+	* src/debug.c:
+	Catch a corner case in the allocation debug helpers: realloc() with a
+	size of 0 is effectively a free operation. To my knowledge, this is
+	not done in the pdnsd sources, however.
+
+	* src/test/test.sh:
+	Use the correct error function, forgotten in last commit.
+
+	* src/test/clnt-test.sh, src/test/srv-test.sh, src/test/test.sh:
+	Misc small improvements in the regression test scripts, mostly
+	adding configuration variables and common error handlers.
+	Comment a little on the tests that are done in clnt-test.sh
+
+	* src/rr_types.c: Fix a typo in a comment.
+
+	* src/cache.c, src/debug.c, src/dns_answer.c, src/dns_query.c, src/error.h, src/hash.c, src/list.c, src/main.c, src/status.c, src/thread.c, src/thread.h:
+	New ANSI variadic debug macros (finally), which print a timestamp and
+	a thread ID now for easier debugging with many parallel queries.
+	It should be considered to make those inline functions instead. However,
+	we have the advantage that we use printf in place here and benefit
+	from parameter checking without specifying obscure function attributes.
+
+	* src/rc/SuSE/.cvsignore, src/test/.cvsignore, src/rc/.cvsignore, src/rc/Debian/.cvsignore, src/rc/RedHat/.cvsignore, contrib/.cvsignore, doc/.cvsignore, src/.cvsignore, src/pdnsd-ctl/.cvsignore, .cvsignore:
+	Brush up the rotten (pre-autoconf!) .cvsignore files and add some where
+	necessary.
+
+2001-05-17  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/RedHat/Makefile.am, src/rc/RedHat/pdnsd.in, configure.in, pdnsd.spec.in:
+	Red Hat rc script and RPM improvements by Christian Engstler.
+
+2001-05-12  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl.c:
+	Fix a place missed when converting rr_info.
+
+	* version: It's 1.1.4, finally.
+
+	* src/rr_types.c, version:
+	Change some class values in the rr type structure to better values.
+	Bump beta version.
+
+2001-05-10  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/cache.c, src/dns_answer.c, src/dns_query.c:
+	Fix a signedness bug that could cause erraneous 0 ttls to be returned.
+	Add some debug messages, and do some minor fixups.
+
+2001-05-09  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/cache.c, src/rr_types.c:
+	Fix some bugs in the new conflict resolution code and make it more
+	complete.
+
+	* src/cache.c, version:
+	Add conflict resolution code. This needs a bit more checking, and
+	the tables might still need to be tweaked.
+	Bump version.
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/Makefile.am, src/cache.c, src/cache.h, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/consts.c, src/consts.h, src/debug.c, src/dns.c, src/dns_answer.c, src/dns_answer.h, src/dns_query.c, src/dns_query.h, src/error.c, src/error.h, src/hash.c, src/hash.h, src/helpers.c, src/helpers.h, src/icmp.c, src/icmp.h, src/list.c, src/main.c, src/netdev.c, src/netdev.h, src/rr_types.c, src/rr_types.h, src/servers.c, src/servers.h, src/status.c, src/status.h, src/thread.c, src/thread.h, configure.in, version:
+	Remove the old infrastructure that theoretically could have allowed for
+	multiple cache subsystems. This ability was never used, and if it should,
+	the caching should probably be split into two layers, a higher level
+	common one and the actual caching backends.
+	src/cacheing/cache.c and src/cacheing/native/*.[ch] were repo-copied to
+	src/.
+	Substitute "conf.h" with <conf.h> for includes.
+	Purge records a little more often (when adding records, and when
+	retrieving from the cache). Handle cache_size properly when using
+	purge_cent.
+	Introduce some infrastructure in rr_types.[ch] for a record conflict
+	checker which is to be introduced shortly to enforce cache consistency
+	even in the purge_cache=off case.
+
+2001-05-04  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/RedHat/pdnsd.in, src/rc/SuSE/pdnsd.in, src/rc/Debian/pdnsd.in:
+	Revert the last commit. It breaks the rc scripts by spamming them with
+	make style variable expansions.
+
+	* src/rc/SuSE/pdnsd.in, src/rc/RedHat/pdnsd.in, src/rc/Debian/pdnsd.in, AUTHORS, THANKS:
+	Fix a rc script bug spotted by Frank Elsner, and add him to AUTHORS and
+	THANKS.
+
+2001-05-01  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* version: Bump version to 1.1.4p2.
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/status.c:
+	Fix some bogons and remove some unneeded code in the pdnsd-ctl
+	interface.
+	Fix spelling and line length bugs.
+
+2001-04-30  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/conf-parse.y, src/status.c:
+	Some corrections for the authrec config file and the pdnsd-ctl noauth
+	support.
+
+	* src/pdnsd-ctl/pdnsd-ctl.c:
+	Fix wrong argv index (using getopt changed the indices).
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns.c, src/dns.h, src/dns_query.c, src/status.c, THANKS, version, AUTHORS:
+	Accumulated changes that should go in before 1.1.4:
+	- merge Andrew M. Bishop's patch that adds a server label option
+	- make local records authoritative for the domain by default, and add
+	  the authrec option to change this
+	- add the auth keyword to the pdnsd-ctl source option to support that
+	- fix a bug in the conf-parse.y grammar causing a shift/reduce conflict
+	- sync up AUTHORS and THANKS: add Andrew M. Bishop, Kevin A. Burton and
+	  Michael Steinl
+	- bump version to 1.1.4p1
+
+	* src/conff.c, src/main.c:
+	Fix two small bugs: the wrong element of argv was used for the pidfile
+	option, which could cause pdnsd to segfault, and C_INCLUDED was always
+	used in slist_add, regardless of the tp parameter.
+
+	* src/helpers.c:
+	Fix a bogon discovered by Michael Steiner:  the fread() return value
+	was tested against bytes, not the number of items.
+
+	* src/hash.c, src/hash.h, src/cache.c:
+	purge_cache used to walk over the cache quite inefficiently when it was
+	called from add_cache. Add a lazy mode for purge_cache which uses the
+	rrset_l to be efficient in this special case.
+	Add some #ifdef'ed-out-by-default code to debug the hash function.
+
+2001-04-12  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* NEWS: Add NEWS entry for 1.1.3.
+
+	* src/dns.c, src/helpers.c, src/icmp.c, contrib/Makefile.am, contrib/README, version:
+	IPv6, ICMP and build fixes. It's 1.1.3 now!
+
+	* src/debug.c, src/debug.h: Add the new debug support files.
+
+	* src/test/clnt-test.sh, src/cache.c, src/cache.h, src/error.h, src/list.c, src/list.h, src/main.c, src/status.c, src/status.h, src/Makefile.am, src/conf-parse.y, src/conff.h, src/dns.c, src/dns_answer.c, src/dns_query.c:
+	Add allocation debug support. Some small cleanups before the upcoming
+	1.1.3 release.
+
+	* src/dns_query.h, src/helpers.c, src/list.c, src/conff.c, src/dns.c, src/dns_answer.c, src/dns_query.c:
+	Lots of small bugfixes, cleanups, style and spelling fixes.
+
+	* src/test/clnt-test.sh: Fix nc arguments.
+
+	* src/test/clnt-test.sh, src/test/srv-test.sh, src/test/test.sh:
+	Add regression test scripts.
+
+2001-04-11  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/cache.c, src/servers.c, src/dns_answer.c, src/helpers.c, src/helpers.h, src/icmp.c, src/main.c:
+	Further cleanups and bug, style and spelling fixes.
+
+	* configure.in: Use -g again in the CFLAGS for a while.
+
+	* version: Beta version bump.
+
+	* src/rc/SuSE/pdnsd.in:
+	killproc does not seem to take the full path, but only the process name
+	(which is what one would expect).
+
+	* src/hash.c, src/netdev.c, src/rr_types.c, src/status.c, src/conf-parse.y, src/conff.c, src/helpers.c:
+	Misc. smaller fixes, and fixes on the new features. Also clean up style
+	and spelling in some places.
+
+	* src/dns_answer.c:
+	Bring the glibc pthread_cleanup_push/pthread_cleanup_pop return bug
+	workaround into the main tree.
+	Without this, a return between those two macros would cause pdnsd
+	to crash on system using a glibc between 2.1.2 and 2.2.2 (and possibly
+	others). This could e.g. be cause by a TCP connect() port scan.
+
+2001-04-10  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl.c:
+	Minor fixes, direct error messages to stderr.
+
+	* src/list.c, src/list.h: Add the new list implementations.
+
+	* src/cache.c, src/cache.h, src/conf-parse.y, src/dns.c, src/dns_answer.c, src/dns_query.c, src/helpers.c, src/helpers.h, src/conf-lex.l.in:
+	Introduce rhnlen and rhncpy and make use of it instead of kluged-up
+	strcpy/strlen in the appropriate places.
+	Check that incoming names contain only legal characters in
+	decompress_name, return RC_FORMAT otherwise (this would result in
+	wrong handling only, but not in a security hole).
+	Reorganzie compose_answer and make it more correct for multiple
+	questions. Get rid of the algorithm that tries to add a higher
+	level name server; this might be readded in another place somewhen.
+	Use some more da_* instead of hand-built lists.
+	Some style cleanups.
+
+	* src/rc/RedHat/Makefile.am:
+	Add K45pdnsd links for rc6.d (reboot) and rc0.d (halt) following a
+	suggestion by Stas Sergeev.
+
+2001-04-06  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/cache.h, src/error.h, src/helpers.c, src/helpers.h, src/main.c, src/servers.c, src/status.c, src/conf-parse.y, src/conff.c, src/conff.h, src/dns.c, src/dns.h, src/dns_answer.c, src/dns_query.c, src/Makefile.am, version:
+	Bump alpha version; introduce a generic dynamic array type and make use
+	of it to ged rid of some ugly casts and redundant code.
+	Minor fixes.
+
+	* src/icmp.h, src/ipvers.h, src/conff.h, src/consts.h, src/dns.h, src/dns_answer.h, src/dns_query.h, src/helpers.h:
+	Use macros without an underscore as first character to protect the
+	headers. Underscores are reserved and should not be used in the
+	application name space.
+
+	* src/error.h: Add PDNSD_ASSERT, change style a little.
+
+2001-04-03  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/hash.c, src/netdev.c, src/servers.c, src/helpers.c, src/icmp.c, src/main.c:
+	Another slew of small bugfixes, minor updates and small fixes.
+
+	* src/rr_types.c, src/consts.c:
+	Update rr_types.c copyright date, consts.c should have a rcsid string.
+
+	* src/rr_types.c: cvs add rr_types.c.
+
+	* src/dns.h, src/helpers.h, src/ipvers.h, src/rr_types.h, src/status.h, src/conf-parse.y, src/conff.h:
+	cvs add rr_types.h that got missed before, update copyright dates,
+	remove some old config cruft, some minor fixups.
+
+	* src/conff.c, src/consts.c, src/dns_answer.c, src/error.c, src/conf-lex.l.in, src/conf-parse.y:
+	Update copyright dates, fix some minor bugs. Update copyright dates.
+	cvs add missed consts.c.
+
+2001-03-28  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/cache.c, src/hash.c, src/error.c, src/servers.c, src/dns_answer.c, version:
+	Bump version to 1.1.3p4
+	Fix some non-critical locking issues (none of them could be fatal).
+	Adjust copyright dates.
+
+	* src/hash.c: Make the hash compare case insensitive.
+
+2001-03-25  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* contrib/Makefile.am: Add Id tag to Makefile.am
+
+	* src/cache.c, src/dns_answer.c, src/icmp.c:
+	Some more type fixes overlooked in last commit.
+
+	* src/conf-parse.y, src/conff.h, src/dns.h, src/dns_answer.c, src/dns_query.c, src/icmp.c:
+	More type cleanups. Use time_t for time specifications throughout, and
+	make lengths singed longs. Cast cleanup in icmp.c to fix alpha
+	unalinged access faults.
+
+	* contrib/dhcp2pdnsd, contrib/pdnsd_dhcp.pl, contrib/save_ram.pl, contrib/Makefile.am, contrib/README, configure.in, version, Makefile.am:
+	It's 1.1.3p3 now.
+	Change the contrib infrastructure: there is a Makfile.am in contrib/
+	now. Rename Marko Stolle's pdnsd_update.pl to pdnsd_dhcp.pl and bring
+	it up to date (adding the rc script and save_ram.pl).
+
+	* src/helpers.c, src/dns.c, src/dns_query.c, AUTHORS, THANKS:
+	Bring in Bjoern Fischer's changes to make pdnsd conserve the case of
+	cached names, and add him to AUTHORS and THANKS.
+
+	* configure.in: The gdbm backend is discontinued.
+
+	* src/cache.c, src/hash.c:
+	Cleanup and small bugfixes of the cache code (esp. locking).
+
+	* AUTHORS, THANKS, file-list.base.in, pdnsd.spec.in:
+	SuSE fixes by Christian Engstler.
+	Add him to AUTHORS, THANKS.
+
+2001-03-14  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_query.c:
+	Fix a bug that could cause servers that were not used in the first
+	parallel query not to be used at all (failure would be returned
+	instead).
+
+2001-03-13  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/icmp.c: Add define for ip_p equivalent on Linux.
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/cache.c, src/dns_query.c, src/icmp.c, src/status.c, src/conf-parse.y, src/dns_answer.c, version:
+	Bump alpha version, more alignment fixes. All casts should be correct
+	now.
+
+2001-03-12  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c, src/dns_query.c, AUTHORS, THANKS:
+	Add the alpha fixes by P.J. Bostley, and add him to THANKS and AUTHORS.
+
+2001-03-10  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns.h, src/helpers.h:
+	Remove prototype for removed function strtolower.
+	Use unit16_t and uint32_t instead of unsinged short/long for dns
+	protocol structures.
+
+2001-02-25  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/status.c, src/conf-lex.l.in, src/conf-parse.y, AUTHORS, Makefile.am, version:
+	Add MX and CNAME for rr sections in the config file and MX setting
+	for pdnsd-ctl.
+	Typo fixes.
+
+	* src/netdev.c: Two more fixes.
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/cache.c, src/dns.c, src/main.c:
+	More small robustness fixes.
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/netdev.c, src/status.c, src/status.h, src/conf-parse.y, src/helpers.c, src/main.c, configure.in, version, Makefile.am, NEWS:
+	A batch of robustness fixes. Move the status socket to the cache
+	directory. Various cleanups.
+	It's 1.3 now (hopefully to be released soon).
+
+2001-02-21  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/main.c, src/conf-lex.l.in:
+	Fix breakage of the -mtu option and the query_method option (the parser
+	would not recognize constants that contained underscores).
+
+2001-02-20  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* contrib/README, contrib/pdnsd_dhcp.pl, AUTHORS, Makefile.am, THANKS, file-list.base.in:
+	Add Marko Stolle's pdnsd_update.pl DHCP update script, add him to THANKS,
+	and bring a contrib/ directory in place.
+
+2001-02-15  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c, configure.in, version:
+	Some minor build & misc fixes. Bump version to 1.1.2a and release a
+	version with the spec file fixes to get proper Red Hat RPM's.
+
+2001-02-09  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* NEWS: Bring NEWS up to date.
+
+	* src/icmp.c: Do not close the socket on error.
+
+	* pdnsd.spec.in: Add spec file fixes for man pages by Sourav K. Mandal
+
+2001-02-07  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* version: It is now 1.1.2.
+
+	* src/dns_query.c, src/main.c, Makefile.am, THANKS:
+	Fix a too strict length checking that could cause SERVFAIL to be returned
+	when the server returned NXDOMAIN. Add Markus Storm to THANKS (he has
+	reported this bug and supplied helpful information).
+	Minor tweaking in main.c.
+	Remove emptying of GZIP_ENV in Makefile.am (this normally contains --best).
+
+2001-01-27  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* AUTHORS, THANKS:
+	Add Michael Wiedmann to AUTHORS and THANKS for his pdnsd-ctl.8 man page.
+
+	* doc/Makefile.am, doc/pdnsd-ctl.8, configure.in, Makefile.am:
+	Add the pdnsd-ctl man page contributed by Michael Wiedmann. For this to
+	build in a correct way, add doc/Makefile.am and move all doc and
+	pdnsd.conf.sample related stuff in there.
+
+2001-01-25  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/main.c: Removed unneeded for the non-O_NOFOLLOW case.
+
+2001-01-24  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/main.c:
+	Add a fchown and a fchmod to the new non-O_NOFOLLOW case (not yet used).
+
+	* src/conf-parse.y, src/main.c, src/status.c: Misc small fixups.
+
+	* version: It's called 1.1.1 now.
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/status.c, src/main.c:
+	Fix command line parsing. Add code to securely create pid files under
+	OSs that do not support the O_NOFOLLOW flag (those OSs are not supported
+	yet, though).
+	Fix a possible race condition in socket creation/chmod. We now create
+	a directory in /tmp (or whatever TEMPDIR was set) to hold the socket.
+
+	* src/dns.c, src/dns_answer.c, src/icmp.c, src/main.c, src/status.c:
+	Another slew of copyright notice upgrades.
+
+	* version, configure.in:
+	Bump beta revision, fix typo (missing $) in configure.in
+
+	* src/dns.c, src/dns_answer.c, src/status.c:
+	Silence BSD compile time warnings.
+
+	* configure.in:
+	Cleanup, add autoconf code for building pdnsd on FreeBSD-CURRENT with the
+	new additionally-linked libc_r.
+
+2001-01-16  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c, src/icmp.c, version:
+	Bump beta revision, fix a comment. Also, generate ping id's using pdnsd's
+	random wrappers instead of using rand() for paranoia.
+
+2001-01-15  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/helpers.c, configure.in: Improve wording.
+
+	* src/helpers.c: Update copyright year (forgotten in last commit).
+
+	* src/dns_answer.c, src/helpers.c, src/main.c, acconfig.h, configure.in, version:
+	Bump versions. Small fixes (move socket intitializations from
+	udp_server_thread to init_udp_sockets to prevent warning when startup
+	takes long.
+	Make arc4random an option for a query id RNG and make it the default
+	on FreeBSD.
+
+2000-12-07  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/conf-parse.y, src/main.c, version:
+	We are at 1.1.1p1. Removed the exec-uptest security warning printef if no
+	explicit user is given in the strict_setuid case (it is not needed there,
+	and confuses users).
+
+2000-11-28  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/cache.c, src/helpers.c:
+	Converted cache locks to use condition vars and have lock contention
+	prevention. Added comments where not converted.
+
+2000-11-25  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* AUTHORS, THANKS, pdnsd.spec.in:
+	Added spec file patches by Bernd Leibing and added him to AUTHORS and
+	THANKS.
+
+2000-11-21  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/SuSE/Makefile.am: Fixed a hopefully last SuSE rpm build bug.
+
+	* src/rc/SuSE/Makefile.am:
+	Another one: allow rc.conf manipulation to fail for a clean
+	rpm build (SuSE only).
+
+	* file-list.base.in:
+	Last-minute fix: correct filelist for rpm build to reflect the new name
+	for the sample configuration.
+
+	* version: It's 1.1.0 now.
+
+2000-11-18  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/cache.c, src/dns_query.c, version:
+	Fixed a condition where the cache code did not give up a lock.
+	Made the udp code use connect().
+	Some small changes.
+
+2000-11-16  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* version: Calling it 1.1.0b3.
+
+2000-11-15  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/test/Makefile.am, src/pdnsd-ctl/Makefile.am, src/cache.c, src/Makefile.am, src/dns_answer.c, src/error.h, src/icmp.c, src/icmp.h, src/main.c, src/netdev.c, src/servers.c, src/thread.c, Makefile.am, configure.in, version:
+	Enabled new rr support by default (some resolvers don't seem to like not
+	supported answers - not our bug, but well).
+	Made some globals volatile to avoid being bitten by optimisations.
+
+2000-11-12  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* TODO, version: Called it the first beta.
+
+2000-11-11  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/cache.c, src/conf-lex.l.in, src/conf-parse.y, doc/pdnsd.conf.in:
+	renanmed rrneg to neg in the config file.
+	Misc small fixes.
+	pdnsd-ctl record xxx inval will now also invalidate local records.
+
+	* src/conf-lex.l.in, src/conf-parse.y, src/dns_answer.c, src/status.c, pdnsd.spec.in:
+	Added --sysconfdir=/etc as argument to configure in the spec file.
+	Implemented the new rrneg config file section.
+
+	* src/test/Makefile.am, src/pdnsd-ctl/Makefile.am, src/pdnsd-ctl/pdnsd-ctl.c, src/cache.c, src/cache.h, src/status.c, src/status.h, TODO:
+	Added the neg option to pdnsd-ctl.
+
+	* src/cache.c, src/Makefile.am, src/conf-lex.l.in, src/consts.h, src/dns.c, src/dns.h, src/dns_answer.c, src/dns_query.c, src/helpers.c, src/main.c, configure.in:
+	Assorted fixes. The new features should be stabilized by now, will
+	integrate the missing few features now.
+	Also actived the tcp server by default.
+
+2000-11-07  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c, src/dns_query.c, src/icmp.c, src/ipvers.h, THANKS, TODO:
+	Fixed a possible memory and socket leak reported by Erich Reitz.
+	Implemented udp source address discovery for FreeBSD.
+
+	* src/dns_query.c: Part 2 of yesterdays fix.
+
+2000-11-06  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_query.c, version:
+	Fixed a bug reported by Erich Reitz: pdnsd could leak fd's and memory if
+	queries timed out.
+
+	* src/cache.c, src/cache.h, src/Makefile.am, src/dns_answer.c, src/dns_query.c, TODO, configure.in:
+	Sorted out some bugs for the new neg cacheing.
+
+2000-11-05  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/cache.c, src/dns_query.c, TODO:
+	Negative cacheing support is now present, but largely untested.
+
+	* src/conff.c, TODO:
+	The output of pdnsd-ctl status is now complete with all currently
+	supported options.
+
+	* src/conf-parse.y, src/conff.c, src/conff.h, src/consts.h, src/conf-lex.l.in:
+	Added the config file options for the nefative cacheing support.
+
+2000-11-04  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/cache.c, src/cache.h, src/conf-parse.y, src/dns.c, src/dns_query.c, src/status.c, version:
+	The new cache infrastructure for negative cacheing is in place.
+	Using and testing it remains.
+
+	* src/cache.c, src/cache.h:
+	First changes to support negative cacheing. This should not break
+	anything, but the cache file format will be incompatible.
+
+	* src/main.c, src/dns_answer.c:
+	init_udp_socket() and init_tcp_socket() are now called after
+	daemonizing on FreeBSD, as bind wants to lock the fd which
+	can cause later calls to fail after an exit.
+
+2000-11-03  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_query.c, src/icmp.c, src/servers.c:
+	Minor bugfixes and repository cleanup.
+
+2000-11-02  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/icmp.c, TODO, version:
+	Called it 1.0.16p4. Fixed some compatability problems with the new code;
+	the ipv4 implementation seems to be fairly stable, the ipv6 one needs
+	some testing with dest unreach messages.
+
+	* src/icmp.c, src/main.c:
+	Rewrote large parts of the ping implementation to be more portable.
+
+2000-11-01  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* acconfig.h, configure.in, version:
+	Some config fixes, version to 1.0.16p3. SOCKET_LOCKING should be
+	off by default, as sendmsg can block.
+
+	* src/pdnsd-ctl/pdnsd-ctl.c, src/error.h, configure.in:
+	Removed -W* arguments from CFLAGS that were implied by -Wall.
+
+	* src/thread.c, configure.in:
+	Added some more safety tests to configure.in, and made it give
+	an error on some conditions. Also made configure do poll and usleep
+	detectione.
+
+	* src/cache.h, src/test/Makefile.am, src/dns_answer.c, src/error.c, src/error.h, src/helpers.c, src/main.c, src/servers.c, src/status.c, src/thread.c, src/thread.h, src/Makefile.am:
+	Code cleanup. Beautified some macros, and moved the thread
+	specific things from error.[ch] over to the new thread.[ch].
+	Also introduced usleep_r which tries to be thread safe for
+	different Unices.
+
+2000-10-31  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl, src/pdnsd-ctl/pdnsd-ctl.c:
+	The pdnsd-ctl binary got into cvs. Fixed that.
+
+	* src/pdnsd-ctl/pdnsd-ctl, src/cache.c, src/cache.h, src/error.c, src/helpers.c, src/main.c, version:
+	Another set of FreeBSD compatability patches. This seems to catch
+	most of the problems, and pdnsd should be useable with libc_r now.
+
+2000-10-30  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/pdnsd-ctl/pdnsd-ctl, src/conff.c, src/dns_answer.c, src/dns_query.c, src/helpers.c, src/icmp.c, src/main.c, AUTHORS, Makefile.am, THANKS, configure.in, version:
+	FreeBSD fixes, mostly contributed by Roman Shterenzon.
+
+2000-10-25  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/pdnsd-ctl/Makefile.am, src/pdnsd-ctl/pdnsd-ctl:
+	pdnsd-ctl was not in cvs.
+
+	* src/dns_query.c, src/error.h, configure.in: Some fixups for 1.0.15.
+
+2000-10-23  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c, src/dns_query.c, configure.in:
+	Several fixes for pdnsd to work better when it receives error replys.
+
+	* src/dns.c, src/dns_answer.c:
+	Fixed another memory leak on an error path in dns_answer.c and did
+	a pointer signedness fixup in dns.c
+
+2000-10-21  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c, AUTHORS:
+	Applied a patch by Paul Wagland that fixes some spelling mistakes
+	and some memory leaks on error paths.
+
+	* src/dns_query.c, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns_answer.c, NEWS, version:
+	Bug fixes. Added the randomize_recs option and turned it on
+	by default.
+
+2000-10-20  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/helpers.c, src/dns.c, src/dns_query.c:
+	Fixes for the paranoid option to work with root servers
+	properly.
+
+	* src/dns_query.c, src/dns.h, src/dns_answer.c, AUTHORS, THANKS:
+	Applied a patch by Paul Wagland for bind9-compatability and added
+	him to AUTHORS and THANKS.
+
+2000-10-19  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c, NEWS, version:
+	Another POLL_* fix. It is now called 1.0.14.
+
+	* src/dns_answer.c, src/dns_query.c, src/icmp.c: BSD build fixes.
+
+	* src/dns_query.c:
+	Made p_recurdive_query return immediately if a query returns
+	NXDOMAIN.
+
+	* src/dns_query.c, Makefile.am:
+	Some bugifixes. It is now called 1.0.13. Releasing.
+
+	* src/cache.c, src/dns_query.c, AUTHORS, NEWS:
+	Updated AUTHORS and NEWS. Made destroy_cache() lock the cache so
+	that no thread can access the cache afterwards (could lead to
+	crashes).
+
+	* src/helpers.c, NEWS, THANKS:
+	Integrated a security fix contributed by Olaf Kirch: when
+	changing user IDs, pdnsd did not reinitialize the supplementary
+	group list, meaning that the process still had the privileges
+	of the supplementary groups the original user was member of.
+
+	* src/conf-lex.l.in, src/conf-parse.y, Makefile.am, TODO, version:
+	Introduced the par_queries option.
+
+	* src/dns_answer.c, src/dns_query.c, TODO:
+	Updated TODO, did some fixups for string handling.
+
+	* HACKING: Added HACKING with some comments about coding style.
+
+2000-10-18  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c, src/dns_query.c, src/error.h, src/main.c, TODO:
+	Revieved and fixed the new dns_query.c-poll/select loops.
+
+	* src/test/tping.c, src/dns_query.c, src/icmp.c:
+	Fixed the new poll/select ping support.
+
+2000-10-17  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_query.c, src/icmp.c, TODO:
+	Got rid of the O_NONBLOCK loop in the icmp.c ping implementation.
+	Beta tesing pending.
+
+	* src/rc/Debian/Makefile.am, src/conff.c, src/conff.h, src/dns_query.c, src/dns_query.h, THANKS, TODO, acconfig.h, configure.in:
+	Corrected the Debian rc script (bug reported by Michael Müller).
+	Got rid of the nonblocking socket things in dns_query.c, and
+	using poll/select now.
+	Testing (esp. --no-poll) remains.
+
+	* src/dns_answer.c:
+	Got rid of O_NONBLOCK read loops in dns_answer.c, using poll/select
+	now instead (after one issue about boundaries was cleared up).
+
+2000-10-16  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/SuSE/Makefile.am, src/rc/RedHat/Makefile.am, src/rc/Debian/Makefile.am:
+	The generated rc scripts do not need to be in the distribution.
+
+	* src/conff.c, src/main.c:
+	Fixed a server structure members in conff.c. Only delete the socket
+	if we are in status pipe mode now.
+
+	* src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns_answer.c, src/dns_query.c, acconfig.h, configure.in:
+	Added the --enable-tcp-subseq and --with-tcp-qtimeout configure
+	options, added the tcp_qtimeout conf file option, tested things.
+	1.0.12 is ready for release.
+
+2000-10-15  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c, TODO, acconfig.h:
+	Added TCP timeouts to the answer code. Still need an option in the
+	conf file and documentation for that (besides beta testing).
+
+	* src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/consts.h, src/dns_query.c, src/helpers.c, src/helpers.h, NEWS, TODO:
+	Introduced domain inclusion/exclusion lists in the server section
+	(new options include=, exclude=, policy=).
+
+2000-10-14  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns_answer.c, src/main.c, NEWS, TODO, version:
+	Upped version, updated NEWS and TODO and implemented a process
+	count limit.
+
+2000-10-13  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/Debian/pdnsd.in, src/main.c:
+	Added the --pdnsd-user option, and made the Debian rc script
+	use it rather than trying to parse the config file itself.
+
+2000-10-11  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/SuSE/pdnsd, src/rc/SuSE/pdnsd.in, src/rc/RedHat/pdnsd, src/rc/RedHat/pdnsd.in, src/rc/Debian/pdnsd, src/rc/Debian/pdnsd.in, AUTHORS, THANKS, configure.in:
+	Added the 'configure'-able rc scripts contributed by Carsten Block
+	and added him to THANKS and AUTHORS.
+
+	* src/main.c:
+	Added O_NOFOLLOW to the pidfile open() call (if it is defined)
+	to prevent users creating files as the pdnsd user (using links)
+	if the admin put the pidfile in a world-writeable directory
+	against all good advice.
+	This is not a bug fix! Admins were not, and are still not supposed
+	to put the pidfile in a directory that is writeable for untrusted
+	users!
+
+2000-10-10  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* THANKS: Added Milan P. Stanic to THANKS.
+
+	* src/main.c:
+	Fixed a missing O_WRONLY in the open() call for pidfile operation.
+
+2000-10-08  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/Makefile.am, src/dns.c, src/dns_answer.c, configure.in, version, acconfig.h:
+	Released 1.0.11.
+	Two security fixes in dns.c and dns_answer.c, and misc. smaller issues.
+
+	* src/Makefile.am, src/conf-parse.y, src/dns_answer.c, src/dns_query.c, src/icmp.c, src/servers.c, AUTHORS, THANKS, TODO, acconfig.h, configure.in, version:
+	1.0.10 was released some time ago ;-)
+	This had some IPv6 fixes.
+	Also fixed minor bug when using SOCKET_LOCKING.
+
+2000-08-28  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/dns_answer.c: Fixed a parameter mismatch in getsockopt()
+
+	* Makefile.am:
+	Applied Sourav K. Mandal's rpm build patch to the toplevel
+	Makefile.am
+
+2000-08-27  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/conf-lex.l.in, src/conf-parse.y, src/consts.h, src/servers.c, version:
+	Added diald support. It's now called 1.0.9.
+
+	* src/conf-parse.y, src/conff.c, src/netdev.c, pdnsd.spec.in:
+	Fixed some ugly typos in conf-parse.y and netdev.c.
+	Since I have no further bug reports and these bugs make some
+	things inconvenient, I will release 1.0.9 immediately.
+
+2000-08-26  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* pdnsd.spec.in: small spec fix.
+
+	* NEWS, configure.in: Last fixups for 1.0.8. Released it.
+
+	* Makefile.am: Set mode and owner for cache file.
+
+	* src/conf-parse.y, src/dns_answer.c, src/netdev.c, acconfig.h, configure.in, version:
+	Misc fixes. Hopefully fixed the UDP socket problems under Linux SMP.
+
+2000-08-20  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/cache.c, src/dns_answer.c, AUTHORS, THANKS, configure.in, pdnsd.spec.in, version:
+	Build fixes by Alexandre Nunes, spec fixes (does now set distro for
+	configure), first attempt at an "error in udp send"-fix, and fix
+	for a problem with having records for the root domain in the disk
+	cache file.
+
+2000-08-13  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/netdev.h, src/servers.c, src/status.c, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/consts.h, src/dns.c, src/dns.h, src/main.c, src/netdev.c, AUTHORS, THANKS:
+	Some minor fixes. Integrated the ppp device patch by Ron Yorston.
+
+2000-08-12  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* configure.in:
+	configure.in was missing in repository. Also removed debugging
+	flag for build.
+
+	* src/main.c: Made the pid file handling safe for directories.
+
+	* src/dns.c: Part II of the last fix.
+
+	* src/dns.c:
+	Fixed a nasty bug in decompress_name which would produce errors very
+	rarely. That was a off-by-one bug, but on the safe side (no overflow,
+	stopping one by too early).
+
+	* src/main.c:
+	Fixed several possible problems with strncat(). None of these was
+	critical or involved remote data.
+
+2000-08-08  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/main.c: Changed FreeBSD signal latency to 250 ms.
+
+	* src/main.c, acconfig.h:
+	A set of last-minute FreeBSD fixes. pdnsd does now NEED linuxthreads on
+	BSD.
+
+2000-08-07  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* version: It's now called 1.0.7.
+
+	* src/main.c, doc/pdnsd.conf.in, Makefile.am: Misc build&BSD fixes.
+
+	* src/conff.c, src/conf-parse.y, version:
+	Version set to the hopefully last beta. Fixed the proxy_only option.
+
+2000-08-05  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/SuSE/Makefile.am, src/rc/RedHat/Makefile.am, src/rc/Debian/Makefile.am, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns_query.c, src/status.c, doc/pdnsd.conf.in, Makefile.am, TODO:
+	Added the proxy_only options. Some build fixups.
+
+2000-07-30  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/SuSE/Makefile.am, src/rc/RedHat/Makefile.am, src/rc/Debian/Makefile.am, src/rc/Makefile.am, src/main.c, src/status.h, AUTHORS, INSTALL, Makefile.am, TODO, version:
+	Many small fixups for 1.0.7.
+
+2000-07-29  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/SuSE/Makefile.am, src/rc/RedHat/Makefile.am, src/rc/Debian/Makefile.am, src/rc/README, src/status.c, src/servers.c, Makefile.am, TODO, acconfig.h:
+	Assorted fixes.
+
+	* src/cache.c, src/hash.c, src/dns.h, src/dns_answer.c, src/dns_query.c, src/icmp.c, src/ipvers.h, src/servers.c, src/servers.h, src/status.c, src/status.h, src/Makefile.am, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns.c, AUTHORS, Makefile.am, THANKS:
+	Big heap of updates and fixes. Incorporated build changes from Sourav
+	K. Mandal and pcmcia SCHEME support by Stephan Boettcher.
+
+2000-07-22  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/rc/Debian/pdnsd:
+	Applied a patch by Markus Mohr to his debian rc script, which I had
+	broken in some way.
+
+2000-07-21  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* src/cache.c, src/main.c, src/status.c, src/status.h:
+	Worked on the new status socket (pdnsd-ctl) option.
+
+	* src/Makefile.am, version: Upped version, fixed Makefile.am
+
+	* src/cache.c, src/hash.c, src/hash.h, src/cache.h, src/Makefile.am, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/dns.c, src/dns.h, src/dns_answer.c, src/dns_query.c, src/dns_query.h, src/helpers.c, src/helpers.h, src/ipvers.h, src/main.c, src/status.c, src/status.h, AUTHORS, Makefile.am, THANKS, acconfig.h:
+	Updated AUTHORS and THANKS. Merged in patches by Sourav K. Mandal
+	and Lyonel Vincent.
+
+2000-07-20  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* doc/pdnsd.conf: Added pdnsd.conf. Well...
+
+	* src/dns_query.c, src/dns_query.h, doc/pdnsd.conf:
+	Added some ommited files.
+
+	* src/test/Makefile.am, src/test/if_up.c, src/test/is_local_addr.c, src/test/random.c, src/test/tping.c, src/rc/SuSE/Makefile.am, src/rc/SuSE/pdnsd, src/rc/RedHat/Makefile.am, src/rc/RedHat/pdnsd, src/rc/Debian/pdnsd, src/rc/Makefile.am, src/rc/README, src/Makefile.am, src/conf-lex.l.in, src/conf-parse.y, src/conff.c, src/conff.h, src/consts.h, src/dns.c, src/dns.h, src/dns_answer.c, src/dns_answer.h, src/error.c, src/error.h, src/helpers.c, src/helpers.h, src/icmp.c, src/icmp.h, src/ipvers.h, src/main.c, src/netdev.c, src/netdev.h, src/servers.c, src/servers.h, src/status.c, src/status.h, doc/pdnsd.conf.in, Makefile.am, acconfig.h, file-list.base.in, pdnsd.spec.in:
+	Checked in the pdnsd files at their new locations.
+
+	* doc/pdnsd.conf, Makefile, a-conf.sh, cache.c, cache.h, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, consts.h, dns.c, dns.h, dns_answer.c, dns_answer.h, dns_query.c, dns_query.h, error.c, error.h, exec-flex.sh, hash.c, hash.h, helpers.c, helpers.h, icmp.c, icmp.h, ipvers.h, main.c, netdev.c, netdev.h, pdnsd-redhat.spec.templ, pdnsd-suse.spec.templ, servers.c, servers.h, status.c, status.h, version:
+	Removed the moved files. Will add the new ones soon.
+
+2000-07-16  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* TODO: New tasks in TODO.
+
+2000-07-15  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* TODO:
+	Updated TODO: Autoconf support was contributed by Sourav K. Mandal
+
+	* conff.h, dns_query.c, ipvers.h, cache.c:
+	Fixed some minor bugs and a showstopper in cache.c that caused
+	crashes in some situations.
+
+2000-07-12  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* dns_query.c, error.c, error.h, main.c:
+	Made pdnsd ignore SIGPIPE, which seemed to be responsible for some
+	crashes.
+	Accept (grudgingly) SOA rr's where NS ones would be The Right Thing.
+
+2000-07-10  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* AUTHORS, THANKS, conff.c:
+	Updated AUTHORS, THANKS, and the fprintfs for the status pipe in
+	conff.c
+
+	* TODO, config.h.templ, dns.h, dns_answer.c, dns_query.c, dns_query.h, main.c, version:
+	Added UDP queries and gave the user the choice between TCP and UDP
+	queries (UDP is the default now). Made the TCP server optional.
+	Fixed a authoritative record handling bug. Added pidfile support.
+
+2000-07-07  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* doc/pdnsd.conf:
+	Inserted run_as="nobody"; again, it is The Right Thing and people
+	should use it.
+
+	* Makefile:
+	The pdnsd cache directory is now created as nobody, since the
+	default run_as in the example pdnsd.conf is also nobody.
+
+	* doc/pdnsd.conf:
+	Commented the run_as option out (people may run into permission
+	problems).
+
+	* version: Upped version to 1.0.5
+
+	* AUTHORS, THANKS, conf.l.templ, conf.y, conff.c, conff.h, dns_answer.c, icmp.c, icmp.h, main.c, version:
+	Folded in the server_ip option code as contributed by Wolfgang Ocker
+	and extended it to IPv6. Fixed a bug in IPv4 ping in IPv6 mode.
+
+2000-07-06  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* cache.c, dns_query.c:
+	Killed a bug which could cause crashes with more than 2 servers.
+
+	* cache.c: Fixed a bug reported by Bert Frederiks that would break the
+	serve_aliases option when only one character was between official
+	name and alias in the /etc/hosts-style file.
+
+2000-07-04  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* pdnsd-suse.spec.templ: The SuSE spec now uses the new makefile rule.
+
+	* Makefile, THANKS, dns_query.c, helpers.c, version:
+	Added people to THANKS, fixed a bug that caused uppercase hosts/
+	rr-section entries to be ignored in the cache, fixed the SuSE
+	makefile for pdnsd to run_as nobody, and other small fixups.
+
+2000-07-03  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* dns_answer.c:
+	First change after release of 1.0.4: The questions received
+	are now properly written into the debug file when starting
+	with -g -d.
+
+	* config.h.templ, dns_query.c:
+	Fixed a possible way to get around paranoid restrictions.
+
+	* version: Set version to 1.0.4
+
+	* doc/pdnsd.conf: Added an entry for the paranoid option.
+
+	* cache.c, config.h.templ, dns_answer.c, dns_query.c, ipvers.h:
+	Revisions and fixups. The complete code revision is now complete.
+
+2000-06-29  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* dns_query.c: Overhaul.
+
+	* dns_answer.c, dns_query.c, config.h.templ:
+	Code overhault continued. dns_answer.c is finished.
+
+2000-06-27  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* conff.c, dns_answer.c, icmp.c, netdev.c, servers.c, status.c:
+	Continued code overhaul. Fixed several bugs, and simplified some
+	code.
+
+	* conf.l.templ, conf.y, conff.c, ipvers.h, version: Fixups.
+
+2000-06-26  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* hash.c: Revised; fixed a minor bug.
+
+	* cache.c: Overhauled.
+
+	* dns_query.c, error.c, helpers.c, helpers.h, ipvers.h, main.c, version, dns.c:
+	Manual code overhaul. Numerous small patches, greatly simplified
+	decompress_name().
+
+2000-06-25  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* config.h.templ:
+	Made the C random() RNG the default (using /dev/urandom, we suck up
+	too much randomness on high load).
+
+	* error.c, error.h, icmp.c, icmp.h, main.c:
+	Small cleanups. Makes the testsuite compilation easier.
+
+	* Makefile, config.h.templ: Preparing for release of 1.0.4.
+
+2000-06-24  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* Makefile, THANKS, a-conf.sh, dns_answer.c, dns_query.c, error.c, version:
+	Fixed bugs with the paranoid option, connect() timeout handling, and
+	a incompatability in response handling that caused the glibc
+	resolver to misunderstand error messages pdnsd generated on unknown
+	query types. This bug, that was reported by James MacLean, could
+	for example cause ssh to hang some time.
+
+	* Makefile, NEWS, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, dns.c, dns_query.c, dns_query.h, helpers.c, helpers.h, icmp.c, icmp.h, main.c:
+	Added the paranoid option, and modified the ping uptest so that it
+	works with strict_setuid. Also made strict_setuid=on the default.
+	1.0.4 should be out soon.
+
+2000-06-23  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* doc/pdnsd.conf: Added a run_as= line, which is sensible normally.
+
+	* Makefile, conf.l.templ, conf.y, conff.c, conff.h, dns_answer.c, dns_answer.h, helpers.c, helpers.h, main.c, servers.c, status.c, version:
+	Some fixups, added the run_as and strict_setuid security options.
+
+	* THANKS: Updated.
+
+	* AUTHORS, ipvers.h, main.c, netdev.c, version:
+	Fixed some definitions for glibc2.0-users. Repaced the return at the
+	end of main() with _exit(). Should not build and run OK on glibc 2.0
+	boxen.
+	Fixed a typo in netdev.c
+
+	* ipvers.h:
+	Fixed a typo in ipvers.h to fix compile problems on systems without
+	an IPv6-supporting C library, and possible IPv6 problems using the
+	status pipe.
+
+	* error.c, version:
+	Fixed a bug that could cause signals to be delivered to the wrong
+	process.
+
+2000-06-22  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* version: Set version to 1.0.1.
+
+	* cache.c, dns_answer.c, error.c, error.h, main.c, pdnsd-suse.spec.templ:
+	Fixed misc issues reported by Jonathan Hudson and Joachim Dorner, one
+	of them a real showstopper in cache.c.
+
+	* Makefile, NEWS, README, cache.h, config.h.templ, version:
+	Updated things for 1.0.0 and released it finally.
+
+	* AUTHORS, THANKS: Updated THANKS and AUTHORS
+
+	* NEWS, a-conf.sh, cache.c, conf.l.templ, conf.y, conff.c, conff.h, dns_answer.c, dns_query.c, error.c, error.h, main.c, servers.c, status.c:
+	Fixed a-conf.sh and cleaned up signal handling as far as it can be
+	done ;-). Added the max_ttl option.
+
+2000-06-21  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* dns_answer.c, error.c, error.h, main.c, servers.c, status.c:
+	More signal fixes. This is a real pain with LinuxThreads.
+
+	* NEWS, cache.c, dns_answer.c, error.c, error.h, helpers.c, helpers.h, main.c, servers.c, status.c, version:
+	Fixups for signal handling. This is more than only a little tricky
+	using the linuxthreads library. This hopefully fixes the deadlocks
+	we had on signals.
+
+2000-06-13  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* AUTHORS, THANKS: Updated credits.
+
+	* a-conf.sh:
+	A primitive configure-like script intended as drop-in replacement
+	until autoconf support finally comes.
+
+	* .cvsignore, Makefile, cache.c, dns_query.c, ipvers.h, servers.c, version:
+	Added a primitive configuration script as drop-in. Killed some bugs
+	and changed the recently added linkdown_kluge option following
+	suggestions from Daniel Smolik.
+
+2000-06-12  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* dns_query.h, exec-flex.sh, Makefile, cache.c, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, dns_query.c:
+	Numerous cleanups and fixes. Implemented the linkdown_kluge option
+	as proposed by Daniel Smolik. Hope to get ready for 1.0.0 know.
+
+2000-06-10  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* Makefile, NEWS, TODO, dns_answer.c:
+	Modified some stuff in dns_answer.c (if no nameserver for a knot in
+	the dns namespace is found now, its predecessors are tried now in
+	order to return accurate authority results). This will be paid with a
+	little more beta time, so the Makefile has developer switches again.
+	Corrected NEWS and TODO.
+
+	* Makefile, config.h.templ, dns_answer.c, dns_query.c, dns_query.h, hash.h, helpers.c, version:
+	Removed some dead code, fixed some really minor bugs. Version is up
+	to 1.0.0p7, which is hopefully the last beta.
+
+	* Makefile, config.h.templ:
+	Fixed things up for the 1.0.0 distribution version
+
+2000-06-06  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* Makefile, config.h.templ, icmp.c, netdev.c:
+	Some minor comment fixes.
+
+	* Makefile, TODO, main.c, version:
+	BSD fix in Makefile and help update. It is now called 1.0.0p6. TODO
+	was updated to reflect the project status.
+
+	* dns_answer.c:
+	BSD & misc fixes. pdnsd runs now nicely on my FreeBSD 4.0 box.
+
+	* dns_answer.c, ipvers.h:
+	Fixed IPv6 UDP dest address recovery. Also fixed a real stupid bug in
+	ipvers.h.
+
+	* cache.h, dns_query.c, error.h:
+	Added DEBUG_MSG6 macros. Cleaned up requery handling.
+
+	* dns.c, dns_answer.c, dns_query.c, dns_query.h:
+	Fixed another heap of bugs, introduced some sanity checks, no requery
+	on answers that have ra not set now.
+
+2000-06-05  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* cache.c:
+	Fixed write_disk_cache.
+
+	* cache.c, cache.h:
+	Fixes for rr handling.
+
+2000-06-04  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* cache.c, dns_answer.c, dns_query.c:
+	Fixes again: some missing checks for rrset existence added.
+
+	* cache.c, dns_answer.c, helpers.c, icmp.c:
+	Fixes for the new/modified code and its side effects on old code ;-)
+
+	* ChangeLog.old, NEWS, cache.c, conf.l.templ, conf.y, conff.c, config.h.templ, dns.c, dns_answer.c, dns_query.c, error.c, hash.c, helpers.c, icmp.c, main.c, netdev.c, servers.c, status.c:
+	Folded the ChangeLog and NEWS of the 0.9.x tree back in and added NEWS for the
+	upcoming 1.0.0 release. Some compile fixes. Reorganized config.h.templ. Made
+	the inclusion of the rcsid strings into the executable optional.
+
+	* cache.c, dns_answer.c:
+	Pile of fixes on recently added/modified code.
+
+2000-06-03  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* .cvsignore, Makefile, lex.inc.h:
+	lex.inc.h should not be in CVS (it is automatically generated by
+	exec-flex.sh). It should also be deleted by 'make mclean'.
+
+	* TODO, cache.c, dns_answer.c, dns_query.c, lex.inc.h:
+	rfc2181 conformance should be reached by now. Updated TODO. Bugfixing
+	remains.
+
+	* doc/html/.cvsignore, doc/html/dl.html, doc/html/doc.html, doc/html/faq.html, doc/html/index.html:
+	Removed the html documentation from CVS. It is maintained separately.
+
+	* doc/pdnsd.conf:
+	Added CVS/RCS $Id$ tag.
+
+	* cache.h, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, consts.h, dns.c, dns.h, dns_answer.c, dns_answer.h, dns_query.c, dns_query.h, error.c, error.h, exec-flex.sh, hash.c, hash.h, helpers.c, helpers.h, icmp.c, icmp.h, ipvers.h, main.c, netdev.c, netdev.h, pdnsd-redhat.spec.templ, pdnsd-suse.spec.templ, servers.c, servers.h, status.c, status.h, version, AUTHORS, INSTALL, Makefile, NEWS, README, THANKS, TODO, cache.c:
+	Added CVS/RCS $Id$ tags to most files, did some cleanups, introduced
+	the new rrset granularity caching. The new code is still much of beta,
+	use with care.
+
+2000-06-01  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* Makefile, cache.c, hash.c, helpers.c, icmp.c, netdev.c:
+	Yet another set of BSD fixes (test programs do now work for me
+	under FreeBSD). Some other minor fixes.
+
+	* Makefile, error.c, error.h, helpers.c, helpers.h:
+	Transplanted kill_pdnsd from error.c to helpers.c in order to get the
+	tests compiled without the thread library.
+
+2000-05-31  Thomas Moestl  <tmoestl@xxxxxxx>
+
+	* pdnsd:
+	Ooops, executable got in.
+
+	* Makefile, pdnsd:
+	Added test suite programs.
+
+	* icmp.c, netdev.c:
+	All basic BSD patches have been folded in. pdnsd will now compile on
+	FreeBSD with (hopefully) all features.
+
+	* dns_answer.c, Makefile:
+	Disabled udp targed address discovery for BSD builds (this sadly ist
+	OS specific at least for IPv4. Must be rewritten under BSD as it is
+	an RFC compatability issue under some circumstances)
+
+	* cache.c, cache.h, conf.y, conff.c, conff.h, config.h.templ, dns_answer.c, helpers.c, icmp.c, ipvers.h, netdev.c, Makefile:
+	BSD include & misc build fixes. More to follow...
+
+	* Makefile, cache.h:
+	BSD Fixes: Makefile should work with BSD make, sed command line,
+	sorted out naming clash in cache.h
+
+	* .cvsignore:
+	Added ChangeLog to .cvsignore
+
+	* THANKS, conff.c:
+	Fixed a bug reported by Jonathan Hudson and added him to THANKS
+
+	* ChangeLog.old:
+	Added the pre-CVS ChangeLog.
+
+	* .cvsignore, AUTHORS, COPYING, INSTALL, Makefile, NEWS, README, THANKS, TODO, cache.c, cache.h, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, consts.h, dns.c, dns.h, dns_answer.c, dns_answer.h, dns_query.c, dns_query.h, doc/.cvsignore, doc/html/dl.html, doc/html/doc.html, doc/html/faq.html, doc/html/index.html, doc/pdnsd.conf, doc/txt/.cvsignore, error.c, error.h, exec-flex.sh, hash.c, hash.h, helpers.c, helpers.h, icmp.c, icmp.h, ipvers.h, lex.inc.h, main.c, netdev.c, netdev.h, pdnsd-redhat.spec.templ, pdnsd-suse.spec.templ, servers.c, servers.h, status.c, status.h, version:
+	Initial import of pdnsd-1.0.0p3 source tree into CVS.
+
+
+	* .cvsignore, AUTHORS, COPYING, INSTALL, Makefile, NEWS, README, THANKS, TODO, cache.c, cache.h, conf.l.templ, conf.y, conff.c, conff.h, config.h.templ, consts.h, dns.c, dns.h, dns_answer.c, dns_answer.h, dns_query.c, dns_query.h, doc/.cvsignore, doc/html/dl.html, doc/html/doc.html, doc/html/faq.html, doc/html/index.html, doc/pdnsd.conf, doc/txt/.cvsignore, error.c, error.h, exec-flex.sh, hash.c, hash.h, helpers.c, helpers.h, icmp.c, icmp.h, ipvers.h, lex.inc.h, main.c, netdev.c, netdev.h, pdnsd-redhat.spec.templ, pdnsd-suse.spec.templ, servers.c, servers.h, status.c, status.h, version:
+	New file.
+
diff --git a/orbotservice/src/main/jni/pdnsd/ChangeLog.old b/orbotservice/src/main/jni/pdnsd/ChangeLog.old
new file mode 100644
index 0000000..0b3553e
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/ChangeLog.old
@@ -0,0 +1,161 @@
+2000-02-15
+	Version 0.2. First working alpha with the extended feature set.
+
+2000-02-16
+	Version 0.3 with many bugfixes, better standard conformity and
+	some new features.
+
+2000-02-17
+	Did a lint on the code, implemented soft timeouts, again bugfixes,
+	drastically reduced cache memory requirements, implemented local 
+	records.
+	Version 0.4 released.
+
+2000-02-19
+	Recursive query finally implemented. Version 0.5 out.
+
+2000-02-20
+	Various bugfixes. The server now always tries to get an AA answer
+	if possible; this implies recursion. This is to deal better with
+	caching servers that may return incomplete results on * queries.
+	This may be a little sub-optimal since it may not take the full
+	effect of caching, but it is the only real possibility of getting
+	complete records.
+	Redid the deps in the makefile for now.
+	Version is now 0.6.
+
+2000-02-21
+	Another set of bugfixes. Version is 0.6.1.
+
+2000-02-22
+	Another set of bugfixes. It should stabilize by now. Answer compression
+	is there finally. Version is therefore up again, 0.7 by now.
+
+2000-02-23
+	Minor bugfixes, isdn interface uptest added. The new record types as of
+	rfc1700 are implemented, but as a compile-time option, since normally
+	there is no need to waste space for them.
+	Version is 0.7.1.
+
+2000-02-24
+	Version 0.7.2 with all rrs up to KX (36). #define DNS_NEW_RRS in 
+	config.h and (re)compile if you want to use them. Delete the cache
+	file before using a version with this option changed!  
+	NSAP-PTR does NOT WORK (any incoming answer containing it may cause 
+	a format error) because it is ill-designed (see	TODO). Never mind, it 
+	is officially deprecated anyway.
+	The secure DNS extension record types defined in RFC 2065 (KEY, SIG,
+	NXT) are cached only and therefore useless.
+
+2000-02-26
+	Version 0.8 with parallel query (and probably new bugs) introduced.
+
+2000-02-27
+	Version 0.8.1 with minor bugfixes on the new features.
+
+2000-02-27
+	Version 0.8.5 with authority support and the usual bugifxes. Some issues
+	with standard conformity were also fixed (wow, two versions a day).
+
+2000-02-28
+	Implemented caching of non-authoritative records. This allows better 
+	usage of other caching name servers. This may return non-authoritative
+	records to any non-wildcard query. If a wildcard query arrives, we 
+	always look for authoritative records, so we do if the non-authoritative
+	answer does not contain at least one answering record to the query.
+	This fixes the sub-optimal behaviour since 0.6.
+	Version is therefore up to 0.8.7 (0.8.6 was also released today 
+	containing bugfixes)
+
+2000-02-29
+	Better thread support, avoiding deadlocks in signal handling. The cost 
+	is unfortunately one more thread.
+	New option server_port in config file.
+	Version is 0.8.8.
+
+2000-03-01
+	Nailed a renitent memory leak bug to the wall (shame, what a trivial 
+	mistake). Also improved handling of error conditions slightly.
+	Version is 0.8.9.
+
+2000-03-01
+	Cache code cleanup. The development of the non-parallel query code
+	is discontinued, although it still works. If you want serial query,
+	just set PAR_QUERIES to 1.
+	Additional information finally implemented.
+	We are up to 0.9.
+
+2000-03-02
+	Fixed a DoS possibility.
+	More rfc compatability fixups and a smarter resolver logic.
+	Version 0.9.1
+
+2000-03-02
+	Added the source section to the config file handling. This allows to 
+	source your /etc/hosts file. Version 0.9.2.
+
+2000-03-02
+	Avoiding double additional records now. Version 0.9.3.
+
+2000-03-09
+	Fixed some REALLY STUPID bugs. Uuummph, thought it was finished. 
+	However, the number of bugs remaining is always n+1...
+	Anyway, we are up to 0.9.4. Hope that there are no mean bugs left.
+
+2000-03-14
+	Added another uptest, exec. See README for details. Also grained the 
+	cache size finer (it's now specified in kB). Version 0.9.5
+
+2000-04-07
+	Fixed some really stupid bugs, what else? Version is 0.9.6
+	To be more exact: fixed misc bugs, cleaned up hash.c and cache.c
+
+2000-04-20
+	Again fixed some bugs, version is now 0.9.7.
+
+2000-04-29
+	Fixed a build problem caused by some missing #defines in glibc2.0 and a
+	minor bug.
+	Version is up to 0.9.8
+
+2000-04-30
+	Fixed some unclean C code and did a general C lint. Thanks to Byrial 
+	Jensen for pointing out some issues. Now using stricter compiler flags.
+	Also replaced the daemon() call in main.c for improved portability.
+	Pre-Released 0.9.9p1
+
+2000-05-03
+	Released 0.9.9p2 with the changes of 0.9.9p1, Documentation updates, 
+	bugfixes, and the Red Hat rc scripts contributed by Torben Janssen.
+	Also, the meaning of the command line option -v has changed.
+	There is a new config file option "lean_query" that is on by
+	default. It is an optimization, so please look in the docs when
+	updating whether you want it switched on or not.
+	Removed the long-dead serial query code from the distribution tree.
+	Some resolvers seem to be broken somehow in a respect that it cares 
+	about order in which the records appear. In particular, it wants 
+	cname to appear before other records. Ok, so it be...
+
+
+2000-05-04
+	Save all names in lower case in the rrs.
+	Tidying up the source tree.
+	The long-awaited cache structure changes have been started. Please
+	delete you cache files before using this new release.
+
+2000-05-05
+	Fixed several bugs in the old and in the new source tree.
+	Use time_t instead of long for internal time storage for compatibility.
+
+
+2000-05-06
+	Version 0.9.10.
+	This fixes a bug in uptest=if. Red Hat and configuration fixes 
+	suggested by Soeren J. Peters were included.
+
+2000-05-08
+	Version 0.9.11
+	This fixes a locally exploitable security problem (pdnsd.cache was 
+	world-writeable). This is actually a one-line fix; for a description of
+	possible dangers, please refer to the html documentation.
+	Thanks to Alan Swanson for reporting.
diff --git a/orbotservice/src/main/jni/pdnsd/INSTALL b/orbotservice/src/main/jni/pdnsd/INSTALL
new file mode 100644
index 0000000..0399189
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/INSTALL
@@ -0,0 +1,190 @@
+The installation instructions are in doc/html/doc.html and doc/txt/manual.txt.
+The system requirements are listed in doc/html/index.html and doc/txt/intro.txt.
+I recommend using the html version.
+Following are generic installation instructions for autoconf programs.
+I strongly recommend to read the Installation section in the docs!
+
+
+Basic Installation
+==================
+
+   These are generic installation instructions.
+
+   The `configure' shell script attempts to guess correct values for
+various system-dependent variables used during compilation.  It uses
+those values to create a `Makefile' in each directory of the package.
+It may also create one or more `.h' files containing system-dependent
+definitions.  Finally, it creates a shell script `config.status' that
+you can run in the future to recreate the current configuration, a file
+`config.cache' that saves the results of its tests to speed up
+reconfiguring, and a file `config.log' containing compiler output
+(useful mainly for debugging `configure').
+
+   If you need to do unusual things to compile the package, please try
+to figure out how `configure' could check whether to do them, and mail
+diffs or instructions to the address given in the `README' so they can
+be considered for the next release.  If at some point `config.cache'
+contains results you don't want to keep, you may remove or edit it.
+
+   The file `configure.in' is used to create `configure' by a program
+called `autoconf'.  You only need `configure.in' if you want to change
+it or regenerate `configure' using a newer version of `autoconf'.
+
+The simplest way to compile this package is:
+
+  1. `cd' to the directory containing the package's source code and type
+     `./configure' to configure the package for your system.  If you're
+     using `csh' on an old version of System V, you might need to type
+     `sh ./configure' instead to prevent `csh' from trying to execute
+     `configure' itself.
+
+     Running `configure' takes awhile.  While running, it prints some
+     messages telling which features it is checking for.
+
+  2. Type `make' to compile the package.
+
+  3. Optionally, type `make check' to run any self-tests that come with
+     the package.
+
+  4. Type `make install' to install the programs and any data files and
+     documentation.
+
+  5. You can remove the program binaries and object files from the
+     source code directory by typing `make clean'.  To also remove the
+     files that `configure' created (so you can compile the package for
+     a different kind of computer), type `make distclean'.  There is
+     also a `make maintainer-clean' target, but that is intended mainly
+     for the package's developers.  If you use it, you may have to get
+     all sorts of other programs in order to regenerate files that came
+     with the distribution.
+
+Compilers and Options
+=====================
+
+   Some systems require unusual options for compilation or linking that
+the `configure' script does not know about.  You can give `configure'
+initial values for variables by setting them in the environment.  Using
+a Bourne-compatible shell, you can do that on the command line like
+this:
+     CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure
+
+Or on systems that have the `env' program, you can do it like this:
+     env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure
+
+Compiling For Multiple Architectures
+====================================
+
+   You can compile the package for more than one kind of computer at the
+same time, by placing the object files for each architecture in their
+own directory.  To do this, you must use a version of `make' that
+supports the `VPATH' variable, such as GNU `make'.  `cd' to the
+directory where you want the object files and executables to go and run
+the `configure' script.  `configure' automatically checks for the
+source code in the directory that `configure' is in and in `..'.
+
+   If you have to use a `make' that does not supports the `VPATH'
+variable, you have to compile the package for one architecture at a time
+in the source code directory.  After you have installed the package for
+one architecture, use `make distclean' before reconfiguring for another
+architecture.
+
+Installation Names
+==================
+
+   By default, `make install' will install the package's files in
+`/usr/local/bin', `/usr/local/man', etc.  You can specify an
+installation prefix other than `/usr/local' by giving `configure' the
+option `--prefix=PATH'.
+
+   You can specify separate installation prefixes for
+architecture-specific files and architecture-independent files.  If you
+give `configure' the option `--exec-prefix=PATH', the package will use
+PATH as the prefix for installing programs and libraries.
+Documentation and other data files will still use the regular prefix.
+
+   In addition, if you use an unusual directory layout you can give
+options like `--bindir=PATH' to specify different values for particular
+kinds of files.  Run `configure --help' for a list of the directories
+you can set and what kinds of files go in them.
+
+   If the package supports it, you can cause programs to be installed
+with an extra prefix or suffix on their names by giving `configure' the
+option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
+
+Optional Features
+=================
+
+   Some packages pay attention to `--enable-FEATURE' options to
+`configure', where FEATURE indicates an optional part of the package.
+They may also pay attention to `--with-PACKAGE' options, where PACKAGE
+is something like `gnu-as' or `x' (for the X Window System).  The
+`README' should mention any `--enable-' and `--with-' options that the
+package recognizes.
+
+   For packages that use the X Window System, `configure' can usually
+find the X include and library files automatically, but if it doesn't,
+you can use the `configure' options `--x-includes=DIR' and
+`--x-libraries=DIR' to specify their locations.
+
+Specifying the System Type
+==========================
+
+   There may be some features `configure' can not figure out
+automatically, but needs to determine by the type of host the package
+will run on.  Usually `configure' can figure that out, but if it prints
+a message saying it can not guess the host type, give it the
+`--host=TYPE' option.  TYPE can either be a short name for the system
+type, such as `sun4', or a canonical name with three fields:
+     CPU-COMPANY-SYSTEM
+
+See the file `config.sub' for the possible values of each field.  If
+`config.sub' isn't included in this package, then this package doesn't
+need to know the host type.
+
+   If you are building compiler tools for cross-compiling, you can also
+use the `--target=TYPE' option to select the type of system they will
+produce code for and the `--build=TYPE' option to select the type of
+system on which you are compiling the package.
+
+Sharing Defaults
+================
+
+   If you want to set default values for `configure' scripts to share,
+you can create a site shell script called `config.site' that gives
+default values for variables like `CC', `cache_file', and `prefix'.
+`configure' looks for `PREFIX/share/config.site' if it exists, then
+`PREFIX/etc/config.site' if it exists.  Or, you can set the
+`CONFIG_SITE' environment variable to the location of the site script.
+A warning: not all `configure' scripts look for a site script.
+
+Operation Controls
+==================
+
+   `configure' recognizes the following options to control how it
+operates.
+
+`--cache-file=FILE'
+     Use and save the results of the tests in FILE instead of
+     `./config.cache'.  Set FILE to `/dev/null' to disable caching, for
+     debugging `configure'.
+
+`--help'
+     Print a summary of the options to `configure', and exit.
+
+`--quiet'
+`--silent'
+`-q'
+     Do not print messages saying which checks are being made.  To
+     suppress all normal output, redirect it to `/dev/null' (any error
+     messages will still be shown).
+
+`--srcdir=DIR'
+     Look for the package's source code in directory DIR.  Usually
+     `configure' can determine that directory automatically.
+
+`--version'
+     Print the version of Autoconf used to generate the `configure'
+     script, and exit.
+
+`configure' also accepts some other, not widely useful, options.
+
diff --git a/orbotservice/src/main/jni/pdnsd/Makefile.am b/orbotservice/src/main/jni/pdnsd/Makefile.am
new file mode 100644
index 0000000..146c32a
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/Makefile.am
@@ -0,0 +1,40 @@
+
+SUBDIRS = src doc contrib
+
+EXTRA_DIST = version ChangeLog.old COPYING.BSD README.par README.par.old PKGBUILD
+
+# The sample configuration is handled in doc/Makefile.am
+install-data-hook:
+	$(mkinstalldirs) "$(DESTDIR)$(cachedir)"
+	test -f "$(DESTDIR)$(cachedir)/pdnsd.cache" || \
+	  touch "$(DESTDIR)$(cachedir)/pdnsd.cache"
+	if test `whoami` = "root"; then \
+	  chown $(def_id) "$(DESTDIR)$(cachedir)/pdnsd.cache"; \
+	  chown $(def_id) "$(DESTDIR)$(cachedir)"; \
+	fi
+	chmod 0640 "$(DESTDIR)$(cachedir)/pdnsd.cache"
+	chmod 0750 "$(DESTDIR)$(cachedir)"
+
+dist-hook: $(PACKAGE).spec.in
+	sed -e '/^%{!?distro: %define distro /c\
+	%if 0%{!?distro:1}\
+	%if "%{_vendor}" == "redhat"\
+	%define distro RedHat\
+	%else\
+	%if "%{_vendor}" == "suse"\
+	%define distro SuSE\
+	%else\
+	%if "%{_vendor}" == "SuSE"\
+	%define distro SuSE\
+	%endif\
+	%endif\
+	%endif\
+	%endif' \
+	-e 's:[@]PACKAGE[@]:$(PACKAGE):g' \
+	-e 's:[@]VERSION[@]:$(VERSION):g' \
+	-e 's:[@]fullversion[@]:$(fullversion):g' \
+	-e 's:[@]packagerelease[@]:$(packagerelease):g' \
+	-e 's:[@]cachedir[@]:/var/cache/$(PACKAGE):g' \
+	-e 's:[@]def_id[@]:$(PACKAGE):g' \
+	$(PACKAGE).spec.in > $(distdir)/$(PACKAGE).spec
+
diff --git a/orbotservice/src/main/jni/pdnsd/Makefile.in b/orbotservice/src/main/jni/pdnsd/Makefile.in
new file mode 100644
index 0000000..a865d54
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/Makefile.in
@@ -0,0 +1,734 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = .
+DIST_COMMON = README $(am__configure_deps) $(srcdir)/Makefile.am \
+	$(srcdir)/Makefile.in $(srcdir)/PKGBUILD.in \
+	$(srcdir)/config.h.in $(srcdir)/file-list.base.in \
+	$(srcdir)/pdnsd.spec.in $(top_srcdir)/configure AUTHORS \
+	COPYING ChangeLog INSTALL NEWS THANKS TODO acconfig.h compile \
+	depcomp install-sh missing
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
+ configure.lineno config.status.lineno
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = config.h
+CONFIG_CLEAN_FILES = pdnsd.spec file-list.base PKGBUILD
+CONFIG_CLEAN_VPATH_FILES =
+SOURCES =
+DIST_SOURCES =
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+	        fi ; \
+	        $(distuninstallcheck_listfiles) ; \
+	        exit 1; } >&2
+distcleancheck: distclean
+	@if test '$(srcdir)' = . ; then \
+	  echo "ERROR: distcleancheck can only run from a VPATH build" ; \
+	  exit 1 ; \
+	fi
+	@test `$(distcleancheck_listfiles) | wc -l` -eq 0 \
+	  || { echo "ERROR: files left in build directory after distclean:" ; \
+	       $(distcleancheck_listfiles) ; \
+	       exit 1; } >&2
+check-am: all-am
+check: check-recursive
+all-am: Makefile config.h
+installdirs: installdirs-recursive
+installdirs-am:
+install: install-recursive
+install-exec: install-exec-recursive
+install-data: install-data-recursive
+uninstall: uninstall-recursive
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-recursive
+	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-hdr distclean-tags
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+html-am:
+
+info: info-recursive
+
+info-am:
+
+install-data-am:
+	@$(NORMAL_INSTALL)
+	$(MAKE) $(AM_MAKEFLAGS) install-data-hook
+install-dvi: install-dvi-recursive
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-recursive
+
+install-html-am:
+
+install-info: install-info-recursive
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-pdf-am:
+
+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
+	-rm -rf $(top_srcdir)/autom4te.cache
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) all \
+	ctags-recursive install-am install-data-am install-strip \
+	tags-recursive
+
+.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
+	all all-am am--refresh check check-am clean clean-generic \
+	ctags ctags-recursive dist dist-all dist-bzip2 dist-gzip \
+	dist-hook dist-lzma dist-shar dist-tarZ dist-xz dist-zip \
+	distcheck distclean distclean-generic distclean-hdr \
+	distclean-tags distcleancheck distdir distuninstallcheck dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-data-hook install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	installdirs-am maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-generic pdf pdf-am ps ps-am tags \
+	tags-recursive uninstall uninstall-am
+
+
+# The sample configuration is handled in doc/Makefile.am
+install-data-hook:
+	$(mkinstalldirs) "$(DESTDIR)$(cachedir)"
+	test -f "$(DESTDIR)$(cachedir)/pdnsd.cache" || \
+	  touch "$(DESTDIR)$(cachedir)/pdnsd.cache"
+	if test `whoami` = "root"; then \
+	  chown $(def_id) "$(DESTDIR)$(cachedir)/pdnsd.cache"; \
+	  chown $(def_id) "$(DESTDIR)$(cachedir)"; \
+	fi
+	chmod 0640 "$(DESTDIR)$(cachedir)/pdnsd.cache"
+	chmod 0750 "$(DESTDIR)$(cachedir)"
+
+dist-hook: $(PACKAGE).spec.in
+	sed -e '/^%{!?distro: %define distro /c\
+	%if 0%{!?distro:1}\
+	%if "%{_vendor}" == "redhat"\
+	%define distro RedHat\
+	%else\
+	%if "%{_vendor}" == "suse"\
+	%define distro SuSE\
+	%else\
+	%if "%{_vendor}" == "SuSE"\
+	%define distro SuSE\
+	%endif\
+	%endif\
+	%endif\
+	%endif' \
+	-e 's:[@]PACKAGE[@]:$(PACKAGE):g' \
+	-e 's:[@]VERSION[@]:$(VERSION):g' \
+	-e 's:[@]fullversion[@]:$(fullversion):g' \
+	-e 's:[@]packagerelease[@]:$(packagerelease):g' \
+	-e 's:[@]cachedir[@]:/var/cache/$(PACKAGE):g' \
+	-e 's:[@]def_id[@]:$(PACKAGE):g' \
+	$(PACKAGE).spec.in > $(distdir)/$(PACKAGE).spec
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/orbotservice/src/main/jni/pdnsd/NEWS b/orbotservice/src/main/jni/pdnsd/NEWS
new file mode 100644
index 0000000..9a83bba
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/NEWS
@@ -0,0 +1,324 @@
+Version 1.2.9a fixes a bug in the 1.2.9 release that causes a build failure when
+pdnsd is configured with --enable-strict-rfc2181. Unless you use this option to
+compile pdnsd, there is no need to upgrade from 1.2.9 to 1.2.9a.
+
+Version 1.2.9 has support for many additional RR types, in particular those
+needed for DNSSEC (though no support for the DNSSEC protocol itself yet in
+pdnsd). Caching data structures are now more efficient when they only store the
+most commonly used RR types. Fine-grained configurability over which RR-types
+are cache-able. Pdnsd now has support for EDNS (Extension mechanisms for DNS),
+although its usefulness is currently limited to enabling UDP messages larger
+than 512 bytes. Defining local TXT records in the configuration file is now
+supported.  A new configuration option provides a fix in case the query uptest
+fails due to remote servers ignoring empty queries. Several bugs have been fixed
+including a UDP socket descriptor leak that affected the FreeBSD platform, and
+an IPv6 port binding bug.
+
+Version 1.2.8 implements support for automatic discovery of root servers.
+There are also some improvements in the resolver and a new default setting for
+the neg_rrs_pol configuration option.
+
+Version 1.2.7-par fixes some security problems. It contains a fix for a
+"dangling pointer" bug that could cause pdnsd to crash when it received a long
+reply. It also addresses some of the issues raised in the CERT vulnerability
+note VU#800113 by making the default of query_port_start equal to 1024, thereby
+ensuring that source ports are randomly selected by the pdnsd resolver in the
+range 1024-65535. This release also fixes problems with compiling pdnsd for the
+ARM architecture and for the Darwin platform (Max OS X).  There are a number of
+(minor) new features. pdnsd now supports "include" files, essentially
+configuration files that only contain definitions for local records. It is now
+possible to define interactively, using pdnsd-ctl, any local record that can be
+defined in a configuration file.
+
+Version 1.2.6-par has an upgraded license: GPL version 3.
+A bug has been fixed which which caused pdnsd to handle NXDOMAIN replies
+inefficiently when configured with neg_domain_pol=on.  Also the code for the
+ping test has been fixed, which was broken for 64-bit systems.  A new option
+randomize_servers can be used to give each server in a section of the
+configuration file an equal chance of being queried.  The new options reject,
+reject_policy and reject_recursively make it possible to check for the presence
+of certain IP addresses in the replies of name servers and to correct some types
+of unwanted replies or to censor these IP addresses.
+The pdnsd-ctl 'add a' and 'add aaaa' commands now allow multiple IP addresses to
+be specified for the same name. There are some further improvements to pdnsd's
+recursive resolver.
+
+Version 1.2.5-par introduces a new query method: udp_tcp. With this method a UDP
+query is tried first and, if the UDP answer is truncated, the query is repeated
+using TCP, which is the behaviour that seems to be recommended by the DNS
+standards. There is a new configuration option use_nss, which can be turned off
+to prevent lengthy timeouts and stalls in certain situations. A bug has been
+fixed which could cause pdnsd to crash if debug output was generated before the
+debug output stream was properly initialized.
+
+In version 1.2.4-par a memory leak and a minor buffer-overflow problem have been
+fixed. There is now a fix for some situations that would previously cause pdnsd
+to exit prematurely (such as ACPI S3 sleep or trying to attach strace to pdnsd).
+Time intervals specified in the configuration file can now be expressed in
+minutes, hours, days and weeks as well as seconds. Support for Apple Mac OS X
+v10.4 Tiger has been improved. The "pdnsd-ctl status" command now also provides
+some information about the status of the running threads. There are some further
+improvements in the debugging information provided by pdnsd.
+TCP-query support is now compiled in by default (but can still be disabled using
+the configure option --disable-tcp-queries).
+
+In version 1.2.3-par the "pdnsd-ctl empty-cache" command can be provided with an
+include/exclude list, allowing the user to specify a selection of names to be
+removed, instead of emptying the cache completely.
+Additional improvements: pdnsd should now remain responsive while executing the
+"pdnsd-ctl empty-cache" command. With the query_method=tcp_udp option pdnsd will
+now also try a UDP query after a TCP connection times out, which should allow
+pdnsd to resolve the same names with query_method=tcp_udp as with
+query_method=udp_only, although perhaps with an occasional delay.
+"pdnsd-ctl config" or "pdnsd-ctl server" commands should now run without delays,
+even if pdnsd is performing ping or query uptests at the time. A problem with
+resolving certain names using root servers has been fixed.
+
+Version 1.2.2-par has a number of important portability improvements. A bug has
+been fixed that prevented pdnsd from compiling successfully on some 64 bit
+architectures. The code for determining endianness (most significant or least
+significant byte first) should now be more portable. This release has
+(experimental) support for the Darwin (Apple Mac OS X) platform. On Linux
+systems, the configure script will now try to detect automatically whether the
+system implements the Native POSIX Thread Library, but the method used may not
+necessarily be foolproof. In addition, the debug features have been improved and
+should make it easier to find out why pdnsd considers some queries or replies
+malformed.
+
+Version 1.2.1-par has improved support for non-Linux platforms. This release has
+(experimental) support for the Cygwin platform, and should also fix some
+compilation glitches that have been reported by FreeBSD users.
+
+Version 1.2-par is a new and improved version of pdnsd! Most of the changes
+effect the internal workings of pdnsd, but there are also a number of
+interesting new features (well, I think they are interesting). Among the bugs
+fixed are two rather nasty ones which involve the handling of NXT and NAPTR
+records and which can cause pdnsd to crash or abort. The new features include a
+new server availability test which can be specified with uptest=query, support
+for reading the DNS configuration from resolv.conf files, a new option for
+optimizing the use of root servers, a new option that makes defining local
+records for reverse resolving easier, support for defining wildcard records, a
+new pdnsd-ctl command for reloading the config file without restarting pdnsd,
+and a new pdnsd-ctl command for dumping information about the names stored in
+the cache.
+The documentation has also been updated: there is now a pdnsd.conf man page. For
+a more complete list of the changes I'll have to refer you to README.par and the
+ChangeLog.
+
+Version 1.1.11a-par contains a fix for FreeBSD users that bypasses a problem
+with the macro ENONET, which can cause a compilation failure when it is
+undefined. Linux users will notice no difference between 1.1.11a-par and
+1.1.11-par.
+
+Version 1.1.11-par has a rather large number of small changes, which are rather
+difficult to summarize. Among the bugs fixed are a race condition in the cache
+lookup code, a flaw in the code that caused a busy spin when a remote server
+answered with "Not Implemented", and problems with the -4 and -6 command-line
+options. Among the improvements are an alternative sorting algorithm which
+should allow pdnsd to start up faster when reading a large cache file from disk,
+automatic mapping of IPv4 to IPv6 addresses when running in IPv6 mode, somewhat
+more efficient memory use, better compression of the replies and changes in the
+parallel querying algorithm that should improve the chances of catching a reply
+from a remote server.  For a more complete list of the changes I'll have to
+refer you to README.par and the ChangeLog.
+
+Version 1.1.10-par has a new parser for configuration files, completely
+rewritten from scratch in C. The main advantages are: (f)lex and yacc/bison are
+no longer needed to build pdnsd, more informative error messages instead of
+merely "parse error", and string literals no longer need to be enclosed in
+quotes in most cases.  Furthermore, a bug has been fixed that caused incorrect
+IPV6-type PTR records to be generated when sourcing /etc/hosts like files.
+There have been other small changes, more details can be found in the ChangeLog.
+
+Version 1.1.9-par adds some missing pieces to the documentation (the pdnsd
+manual and the man page for pdnsd-ctl). The changes to the code consist mostly
+of optimizations, removal of some size limits due to fixed-size buffers, and
+some cleaning up. I've also tried to make the error responses of pdnsd-ctl more
+helpful.  More details can be found in the ChangeLog.
+
+Version 1.1.8b1-par8 introduces a "delegation-only" feature that may be useful
+for blocking Verisign's Sitefinder. The parser for the configuration file now
+tolerates domain names missing a dot at the end. I have provided alternative
+implementations for some GNU extensions that I used in an effort to make the
+code more portable. In particular, the code should build on FreeBSD again. More
+details can be found in the README.par file.
+
+Version 1.1.8b1-par7 fixing a number of bugs. I have also reworked some of the
+code for adding and removing entries in the cache in an effort to improve
+efficiency and stability. More details can be found in the ChangeLog.
+
+Version 1.1.8b1-par6 introduces some further code cleanup. In addition the
+documentation has been revised.
+
+Version 1.1.8b1-par5 fixes a troublesome allocation size error that has been
+discovered in Thomas Moestl's code. In practice this bug only wastes memory but
+it could also potentially lead to memory corruption. Upgrading is
+recommended. More details can be found in the ChangeLog.
+
+Version 1.1.8b1-par4 has been released.  Due to incompatibilities between
+various implementations of the pthread library on Linux systems, problems can
+occur with signal handling in pdnsd. The usual symptom is failure by pdnsd to
+save the cache to disk, and /var/cache/pdnsd/pdnsd.cache remaining empty. If you
+experience this kind of trouble, try reconfiguring with different values for the
+new --with-thread-lib option. The allowable values are described in the
+documentation.
+
+pdnsd is no longer maintained by Thomas Moestl: I have not had time to maintain
+pdnsd for quite a while now, and have been very slow to respond to issues, or
+did not respond at all. It is time that I officially announce that pdnsd is no
+longer actively maintained; I apologize to all those who reported bugs or asked
+questions without receiving any reply. However, Paul A. Rombouts has published a
+patch set against the last released version at
+http://www.phys.uu.nl/~rombouts/pdnsd.html, which cleans up a lot of code fixes
+many bugs.
+
+Version 1.1.7a fixes a reversed assertion that would cause pdnsd to terminate
+if used with the ping uptest. No other changes were made.
+
+Version 1.1.7 fixes some problems that might be remotely exploitable to
+gain access as the user pdnsd runs as (an unprivileged user by default). To do
+this, an attacker needs to control a name server that is queried by pdnsd, and
+send a malicious reply to such a query. Upgrading is strongly recommended!
+There are also minor bug fixes and stability improvements.
+
+Version 1.1.6 adds the query_port_start and query_port_end options (contributed
+by Andreas Steinmetz), that allow confining the ports pdnsd uses for outgoing
+queries to a certain range. It also fixes numerous bugs, one of which could
+cause pdnsd to hang; update is therefore recommended.
+
+Version 1.1.5 contains a fix for a security bug that would allow local users
+that are allowed to use pdnsd-ctl on a running pdnsd server to execute
+arbitrary code as the user that pdnsd runs as (or on Linux, when strict_setuid
+is not enabled, as the user that started pdnsd). The danger of this is usually
+quite limited; the status socket is not enabled by default, it's default
+permissions do only allow the user pdnsd runs as to use the socket,
+strict_setuid is enabled by default and pdnsd runs as an unprivileged user.
+There is also a new configure option, --enable-underscores, that will make
+pdnsd allow underscores in domain names. Furthermore, the SRV record handling
+has been fixed to allow underscores in any case (this was not allowed
+previously, but is required by the RFC). SOA records are not put in the
+answer section any more if no answers are found (this violates the RFC's).
+It may be put in the authority section in a later version.
+There are also various bugfixes in this release.
+Upgrade is recommended.
+
+Version 1.1.4 fixes various smaller bugs, and should also improve the cache
+write performance especially for larger caches.	There are also two new
+features: servers can now be given a label (using the label server option)
+which can be used to identify them for the pdnsd-ctl server command
+(contributed by Andrew M. Bishop), and local records can be marked to make
+the domain record authoritative in pdnsd's cache (which means that pdnsd will
+assume that records that are not present in the cache for that domain are
+non-existent); this is on by default now, and can be controlled using the new
+authrec server option).
+
+Version 1.1.3 added contrib/ and had a lot of robustness fixes.
+This release addresses a security hole that affects only Linux systems. Due to
+a bug in glibc, pdnsd could crash during a port scan. This release contains
+a workaround for this, as well as a fix for a deadlock under heavy load 
+conditions. It also fixes a possible problem that could be triggered by 
+malicious servers, and contains numerous bug fixes.
+A script, contributed by Marko Stolle, makes pdnsd useful in a DHCP setup.
+pdnsd also preservers the case of names in the cache, and should work much
+better on alpha machines (thanks for the contributions by Bjoern Fischer 
+and P.J. Bostley that made this possible). New types were dded for rr 
+sections and pdnsd-ctl.
+Upgrade is recommended.
+
+Version 1.1.2 has a fix for a bug that could cause SERVFAIL to be 
+returned when NXDOMAIN would be appropriate. The bug surfaced only when
+pdnsd queried name servers with a behaviour different from BIND's in the
+NXDOMAIN case, e.g. pdnsd querying another pdnsd or e.g. djbdns. 
+
+Version 1.1.1 fixes a possible race condition in status socket creation.
+This race might be used by a local attacker to change the access 
+permissions of a certain file in /tmp. The risk of this is probably 
+negligible. The default setup uses a non-privileged user, default mode 
+0600, and the status socket is disabled normally, so this should be 
+relatively safe. I don't see any possibility to exploit this, it is
+more of a paranoia fix.
+There are also some other minor fixes and documentation improvements. 
+Upgrade is recommended. 
+
+Version 1.1.0 introduces negative cacheing, pdnsd-ctl enhancements and
+a much improved FreeBSD support. The cache file format has changed from
+prior releases. Some configuration defaults have changed, too.
+
+Version 1.0.15 is mostly a bugfix release. It also has a new option:
+randomize_recs in the global section.
+
+Version 1.0.14 has a fix in icmp.c that will make it build properly
+on FreeBSD and older Linux systems.
+
+Version 1.0.13 has some code cleanup, a fix for the Debian rc install,
+and a security fix (contributed by Olaf Kirch): when changing
+user and group id, pdnsd did not drop supplementary group IDs that
+the original user was member of.
+
+Version 1.0.12 is a bugfix release and contains some security
+enhancements. There are also inclusion/exclusion lists for servers
+(new options include=, exclude=, policy= in the server
+section).
+
+Version 1.0.11 fixes two bugs that might be used for denial-of-service
+attacks, upgrading is recommended.
+
+Versions 1.0.9 and 1.0.10 are bugfix releases.
+
+Version 1.0.8 introduces special linux ppp device support contributed
+by Ron Yorston, and has some bugfixes.
+
+Version 1.0.7 introduces autoconf support, many new config file options and
+the new pdnsd-ctl run-time configuration program.
+
+Version 1.0.6 has another set of bugfixes, in addition to higher compile-
+time configurability and UDP query support. It also contains Debian rc
+scripts contributed by Markus Mohr.
+
+Version 1.0.5 has some bugfixes and the new "server_ip" option 
+contributed by Wolfgang Ocker.
+
+Version 1.0.4 introduces the new options run_as, strict_setuid and
+paranoid. These new options are optional security enhancements.
+
+Versions 1.0.1, 1.0.2 and 1.0.3 are bugfix releases.
+
+Version 1.0.0 has a lot of changes compared to the 0.9.x tree, but much of 
+them "under the hood":
+- IPv6 support (experimental; compile- and run-time configurable)
+- FreeBSD (and such hopefully *BSD) support
+- better rfc2181 compatability
+- new options:
+  - serve_aliases in source section
+  - linkdown_kluge in global section 
+  - max_ttl in global section 
+- cache-code reorganization, only one unified hash (of variable depth)
+- Optimizations & cleanups
+- Automatic deps (only interesting for developers ;-)
+
+Version 0.9.11 fixes a locally exploitable security hole (the cache file was
+world writeable by default). Please see ChangeLog.old for details.
+
+Version 0.9.10 fixes some bugs and improves build on Red Hat.
+
+Version 0.9.9 contains the rc scripts for Red Hat Linux contributed by Torben 
+Janssen, in addition to code cleanups and bugfixes.
+The meaning of the option -v has changed in this release.
+There is also a new config file option "lean_query" that is on by default. It 
+is an optimization, so please look in the docs when updating whether you want 
+it switched on or not.
+
+When compiling versions after 0.9.8, you will probably get more
+compiler warningsthan before. This is because the C compiler settings
+have been made stricter.
+
+Version 0.9.8 fixes a minor bug some build problems with glibc2.0 systems.
+
+The versions 0.9.6 and 0.9.7 are bugfix releases.
+
+Version 0.9.5 introduces uptest=exec, and a modified config file syntax (cache
+sizes are now specified in kB).
+
+Version 0.9.4 was the first to be released to the public. For information on 
+changes, see ChangeLog.
+
diff --git a/orbotservice/src/main/jni/pdnsd/PKGBUILD.in b/orbotservice/src/main/jni/pdnsd/PKGBUILD.in
new file mode 100644
index 0000000..3d61765
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/PKGBUILD.in
@@ -0,0 +1,24 @@
+# Package build script for Arch Linux,
+# contributed by Alexander Drozdov.
+
+pkgname=@PACKAGE@
+pkgver=@VERSION@
+pkgrel=@packagerelease@
+pkgdesc="pdnsd is a proxy DNS server with permanent caching (the cache contents are written to hard disk on exit) that is designed to cope with unreachable or down DNS servers."
+url="http://members.home.nl/p.a.rombouts/pdnsd.html";
+license="GPLv3"
+depends=()
+makedepends=(glibc)
+conflicts=()
+replaces=()
+backup=()
+install=
+source=(http://members.home.nl/p.a.rombouts/pdnsd/releases/$pkgname-$pkgver-$pkgrel.tar.gz)
+md5sums=()
+
+build() {
+  cd $startdir/src/$pkgname-$pkgver
+  ./configure --prefix=/usr --enable-ipv6 --sysconfdir=/etc --with-distribution=ArchLinux
+  make || return 1
+  make DESTDIR=$startdir/pkg install
+}
diff --git a/orbotservice/src/main/jni/pdnsd/README b/orbotservice/src/main/jni/pdnsd/README
new file mode 100644
index 0000000..7042e93
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/README
@@ -0,0 +1,22 @@
+You can find the documentation for pdnsd in the doc/ directory. The html
+documentation (which I recommend) is in the doc/html/ subdirectory.
+The pure text documentation (which is generated automatically from the 
+html documentation) is in doc/txt/.
+The following documents are available:
+
+index.html / intro.txt		Overview, system requirements
+doc.html / manual.txt		Building, installation and usage instructions
+faq.html / faq.txt		The FAQ
+
+Share and enjoy!
+	Thomas <tmoestl@xxxxxxx>
+
+
+For news about recent changes in pdnsd the following files may be of
+interest to you:
+
+	README.par
+	ChangeLog
+	NEWS
+
+Last revised: 08 July 2007 by Paul Rombouts
diff --git a/orbotservice/src/main/jni/pdnsd/README.par b/orbotservice/src/main/jni/pdnsd/README.par
new file mode 100644
index 0000000..ea181bc
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/README.par
@@ -0,0 +1,216 @@
+	        pdnsd version 1.2.9a by Paul Rombouts
+                =====================================
+
+This file describes the version of pdnsd that I maintain personally and am
+making available so other people can enjoy the latest features and fixes. Thomas
+Moestl no longer maintains pdnsd himself, so I am effectively the new
+maintainer. This README describes the new features in version 1.2. This version
+has a rather large number of internal changes and also some new features, which
+I am rather pleased with, even if I say so myself. I think the changes are
+significant enough to warrant increasing the minor version number from 1.1 to
+1.2. The differences between my previous "official" release 1.1.11 and Thomas'
+last release 1.1.7a are described in my previous README, which I have renamed
+REAME.par.old. In this README I restrict myself to describing changes between
+1.1.11 and 1.2.
+The main difference between versions 1.2 and 1.2.1, aside from some minor
+changes, is that 1.2.1 has (experimental) support for the Cygwin platform.
+Version 1.2.2 has further improvements in portability and should in
+particular now also compile on the Darwin (Apple Mac OS X) platform.
+Version 1.2.4 has some important fixes for a memory leak, a minor buffer-
+overflow problem and some situations which could cause pdnsd to exit
+prematurely. Note that TCP-query support is now compiled in by default, but can
+still be disabled using a configure option.
+The main new feature of version 1.2.5 is the new query method "udp_tcp".
+Version 1.2.6 has an updated license: GPL version 3. The main new feature of
+version 1.2.6 is the "reject" option, which makes it possible to censor or
+correct for unwanted IP addresses in replies.
+Version 1.2.7 contains an important fix for a "dangling pointer" bug and
+attempts to make pdnsd less vulnerable to the issues raised in CERT
+vulnerability note VU#800113. It also contains some improvements for defining
+local records interactively using the pdnsd-ctl utility.
+The main new feature of version 1.2.8 is automatic discovery of root servers,
+as well as some minor improvements in the resolver.
+Version 1.2.9 among other things supports many addtional RR types, uses data
+structures that should be more slightly more memory efficient and has support
+for EDNS, which allows DNS UDP messages to be larger than 512 bytes.
+Version 1.2.9a is a simple bugfix release that fixes a problem with compiling
+1.2.9 after configuring with --enable-strict-rfc2181. Unless you use this option
+to compile pdnsd, there is no need to upgrade from 1.2.9 to 1.2.9a.
+
+For instructions how to compile and install pdnsd see doc/html/doc.html or
+doc/txt/manual.txt. Note that I am no longer distributing a patch w.r.t. Thomas'
+version because the (compressed) patch file is barely smaller than the
+(compressed) tar archive.
+
+Here follows a list of some of changes in version 1.2 from a user's perspective.
+For a more technical description of some of the changes in the code see the ChangeLog.
+For a short history about recent releases have a look at NEWS or doc/html/index.html.
+
+- First of all, two potentially rather nasty bugs have been fixed in the code
+  for the handling of NXT and NAPTR records. A response from a remote server
+  containing NXT records (even well-formed ones) will very likely cause pdnsd to
+  crash. The code for handling NAPTR records contained incorrect ASSERT
+  statements, which could cause pdnsd to abort in a controlled fashion, but
+  completely unnecessarily.
+
+- Sampo Lehtinen has remarked that pdnsd sometimes failed to resolve classless
+  reversed-delegated IP addresses, and that this has something to do with the
+  fact that pdnsd didn't accept '/' characters in domain names. After reading
+  some of the relevant RFCs I decided to remove all restrictions on the types
+  of characters that pdnsd accepts in domain names. Of course for most
+  applications, there are many characters which don't make sense in domain
+  names, but I feel that it is the responsibility of the client application to
+  reject these, not the proxy server.
+
+- At the suggestion of Dan Tihelka, I have expanded to the server_ip= option to
+  allow the name of an interface to be specified instead of an IP address.
+  Presently this has been tested on Linux only. Can someone running pdnsd on
+  *BSD tell me if the code for getting the address of an interface is different
+  for Linux and BSD-type systems?
+
+- At the suggestion of Juliusz Chroboczek I've added an new server availability
+  test which can be specified with uptest=query. This can be useful as an
+  alternative to "uptest=ping" in case the remote server does not respond to
+  ICMP_ECHO requests at all, which unfortunately is quite common these days.
+  "uptest=query" causes pdnsd to send an empty query to remote name servers. Any
+  well-formed response (apart from SERVFAIL) within the timeout period will be
+  interpreted as a sign that the server is "up".
+
+- Instead of specifying the IP addresses of the name servers that pdnsd should
+  query in a server section of the config file, you may also specify a
+  resolv.conf-style file. Preferably this should not be /etc/resolv.conf. If the
+  contents of the resolv.conf type file changes while pdnsd is running, you can
+  make pdnsd aware of the changes with the "pdnsd-ctl config" command, see
+  below. Example:
+
+    server {
+	label=myisp;
+	file=/etc/ppp/resolv.conf;
+	timeout=10;
+    }
+
+- There is a new option for "server" sections in the config file:
+  root_server=on/off.
+  In case a server section contains only addresses of root servers, which
+  usually only give the name servers of top level domains in their reply,
+  setting root_server=on will enable certain optimizations. This involves using
+  cached information to reduce queries to the root servers, thus speeding up the
+  resolving of new names.
+
+- New option for "rr" sections in the config file: reverse=on/off.
+  If you want a locally defined name to resolve to a numeric address and vice
+  versa, you can now achieve this by setting reverse=on before defining the A
+  record, making it unnecessary to define a separate PTR record for the reverse
+  resolving.
+  Example:
+
+    rr {
+	name = localhost;
+	reverse = on;
+	a = 127.0.0.1;
+    }
+
+  has the same effect as:
+
+    rr {
+	name = localhost;
+	a = 127.0.0.1;
+    }
+    rr {
+	name = 1.0.0.127.in-addr.arpa;
+	ptr = localhost;
+    }
+
+- In rr sections it is now possible to specify a wildcard name, i.e. a name
+  starting with the label *. The * in a wildcard can match one or more labels in
+  a queried name, but only whole labels. For example, *.mydomain will match
+  a.mydomain or www.a.mydomain, but not mydomain. Before you can specify an rr
+  section with name=*.mydomain you must define some records for mydomain,
+  typically NS and/or SOA records.
+  Example:
+
+    rr {
+	name = mydomain;
+	ns = localhost;
+	soa = localhost, root.localhost, 42, 86400, 900, 86400, 86400;
+    }
+    rr {
+	name = *.mydomain;
+	a = 192.168.1.10;
+    }
+
+- There is a slight backwards compatibility problem which involves the name= and
+  owner= options in rr sections. The new version does not allow you to place
+  owner= before name=. On the other hand, you may now freely mix the owner
+  option with the a,ptr,cname,mx and soa options and define as many records of
+  this type as you like (including zero).
+
+- pdnsd-ctl has three new commands:
+
+  config: Reloads pdnsd's configuration file. This is more efficient than
+  restarting pdnsd, and should not cause only noticeable interruption in DNS
+  service. However, some types of configuration changes cannot be put into
+  effect this way, and you will be prompted to restart pdnsd instead.
+
+  empty-cache: Empties the cache completely, freeing all existing entries.
+  In version 1.2.3 you can specify a selection of entries to delete by providing
+  a list of include/exclude patterns.
+
+  dump: Prints information about all the names stored in the cached. This is
+  mainly useful for diagnostic purposes.
+
+- There is now a pdnsd.conf(5) man page, describing pdnsd's configuration file.
+  The man page has been generated from the html documentation using a customized
+  Perl script.
+
+- New in version 1.2.4: Time intervals in the configuration files can now be
+  expressed in seconds, minutes, hours, days and weeks, using the suffixes
+  s,m,h,d,and w.
+  Example: 2h30m is interpreted as 2*60*60 + 30*60 = 9000 seconds.
+
+- Version 1.2.5 introduces a new configuration option, contributed by Jan-Marek
+  Glogowski, called "use_nss" which can be turned off to prevent nasty delays in
+  certain situations.
+  Besides the query methods "udp_only", "tcp_only" and "tcp_udp" you can now
+  also specify "udp_tcp", which more closely adheres to the behaviour
+  recommended by DNS standards.
+
+- Version 1.2.6 introduces the "randomize_servers" and "reject" options. By
+  setting "randomize_servers" on you can give each server in a server section an
+  equal chance of being queried, which is useful when resolving from root
+  servers, for instance. The "reject" option can be used to censor certain IP
+  addresses or correct for unwanted replies from servers you don't completely
+  trust.
+
+- Version 1.2.7 contains support for "include" files which can be referenced
+  from configuration files or read interactively using pdnsd-ctl. These files
+  can be used to add local definitions to the cache without reconfiguring pdnsd.
+  The new "pdnsd-ctl eval" command can be used to interactively define local
+  records that could previously only be defined in configuration files but not
+  with the "pdnsd-ctl add" command.
+
+- Version 1.2.8 contains support for automatic discovery of root servers.
+  Instead of supplying a complete list of IP addresses of root servers in a
+  server section of the configuration file, you need only enter one or two
+  addresses of name servers which know the names and addresses of the root
+  servers and set "root_server=discover".
+  The "neg_rrs_pol" option has a new default setting, which should allow
+  sensible negative caching of RRs in most situations, even if "proxy_only=on".
+
+- Version 1.2.9 contains support for EDNS (Extension mechanisms for DNS), which
+  allows UDP messages to be larger than 512 bytes. Whether pdnsd uses EDNS in
+  outgoing queries is determined by the configuration option "edns_query". If
+  pdnsd receives a query using EDNS, it will reply using EDNS regardless of the
+  configuration settings.
+  Local TXT records can now be defined in the configuration file.
+  If the query uptest fails due to remote servers ignoring empty queries, this
+  can now be remedied using the new "query_test_name" config option.
+
+The new features are described in greater detail in the manual doc/html/doc.html
+or doc/txt/manual.txt.
+
+Enjoy!
+
+If you have any questions about my version of pdnsd, you can send these
+to <p.a.rombouts@xxxxxxx>. Questions about the original (unmaintained) pdnsd
+version should be sent to <tmoestl@xxxxxxx> or <t.moestl@xxxxxxxx>.
diff --git a/orbotservice/src/main/jni/pdnsd/README.par.old b/orbotservice/src/main/jni/pdnsd/README.par.old
new file mode 100644
index 0000000..4bf0eda
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/README.par.old
@@ -0,0 +1,249 @@
+	  pdnsd maintenance version 1.1.11-par by Paul Rombouts
+	  =======================================================
+
+This file describes the version of pdnsd that I maintain personally and am
+making available so other people can enjoy the latest features and fixes.
+Thomas Moestl no longer maintains pdnsd himself, so I am effectively the new
+maintainer. The current version is 1.1.11-par, which has a rather large number
+of small changes. Among the bugs fixed are a race condition in the cache lookup
+code, a flaw in the code that caused a busy spin when a remote server answered
+with "Not Implemented", and problems with the -4 and -6 command-line options.
+Among the improvements are an alternative sorting algorithm which should allow
+pdnsd to start up faster when reading a large cache file from disk, automatic
+mapping of IPv4 to IPv6 addresses when running in IPv6 mode, somewhat more
+efficient memory use, and better compression of the replies. Some of the new
+features are described in the second half of this file (look for "new in version
+1.1.11"). For the rest of the changes I will have to refer you to the ChangeLog.
+For a short history about recent releases have a look at doc/html/index.html.
+
+Since version 1.1.9 I've added some missing pieces to the documentation (the
+manual doc/html/doc.html,doc/txt/manual.txt and the man page doc/pdnsd-ctl.8).
+Version 1.1.11 finally has a man page doc/pdnsd.8, thanks to a contribution by
+Mahesh T. Pai.
+
+The first part of this file describes how to patch, compile, install and run
+pdnsd. The second part describes some of the changes I've made to Thomas
+Moestl's code.
+
+Unless you're using the pre-patched source archive pdnsd-1.1.11-par.tar.gz you
+must first apply my patch file pdnsd-1.1.11-par.diff.gz before compiling and
+installing pdnsd according to Thomas Moestl's instructions described in the the
+documentation. Use a freshly untarred copy of Thomas Moestl's original version
+1.1.7a source, cd into the source directory pdnsd-1.1.7a and apply the command:
+
+gzip -cd <path_to_patch>/pdnsd-1.1.11-par.diff.gz | patch -p2 -N -Z
+
+Note: I have used GNU extensions so there may be some portability issues. I have
+supplied alternatives for some of the less portable functions. There should be no
+problem with most Linux distributions.
+
+That's it! You should now be able to compile, install and run pdnsd. See the
+documentation in doc/html/doc.html or doc/txt/manual.txt for more detailed
+instructions.
+
+Some people may want change the compiler optimization flag. I use the -O2 flag,
+but it might be safer to use a lower level of optimization or no optimization at
+all. In that case prefix the configure command with the desired compiler flags
+like this (assuming you're using a bash shell):
+
+    CFLAGS="-O1 -g -Wall" ./configure ...
+
+I have added a new configuration option "--with-thread-lib=<lib>", which you
+should use if you experience problems with signal handling under Linux. The
+usual symptom is failure by pdnsd to save the cache to disk, and
+/var/cache/pdnsd/pdnsd.cache remaining empty. If you experience this kind of
+trouble, try reconfiguring with different values for the --with-thread-lib
+option. The allowable values are "linuxthreads" (the default), "linuxthreads2"
+(or "lt2" for short), and "nptl". I recommend that you first configure and
+compile without the --with-thread-lib option, then if you experience trouble try
+again with --with-thread-lib=lt2 and recompile.
+If your Linux system has an implementation of the Native POSIX Thread Library,
+which is the case with Red Hat 9 for instance, you should use
+--with-thread-lib=nptl .
+Ideally, I would like to write a configure script which automatically detects
+which kind of thread library is being used on a Linux system, but I don't have a
+clue yet how to do this. If you can help me with this please write to me at the
+email address listed at the end of this file.
+
+The rest of this file describes some of the modifications I've made, but you
+don't have to read it if you simply want to run pdnsd as you're used to.
+
+
+- The main new feature I've added enables you to change the server addresses
+  that pdnsd uses at run-time using pdnsd-ctl. I've done this because the ISPs I
+  use do not specify fixed DNS server addresses, but expect their clients to use
+  dynamic DNS configuration (DHCP in the case of the cable connection, RFC1877
+  in case of isdn). I've extended the options that can be given with the
+  "server" command to pdnsd-ctl, to allow IP addresses to be specified as an
+  additional argument after "up|down|retest". This allows me to put something
+  like this in my ifup-local script:
+
+  pdnsd-ctl server isp-label up "$DNS1 $DNS2"
+
+  For more details how to use pdnsd-ctl read the updated documentation in
+  the doc/html directory. There is also a manpage for pdnsd-ctl.
+  This was quite tricky to implement because there might be pending queries
+  while the addresses are being changed. It certainly was an interesting
+  exercise in writing multi-threaded code for me.
+
+
+- I've implemented a feature which allowed me to specify multiple IP addresses
+  per server section in the configuration file. This allowed for a much more
+  compact configuration file (3 server sections instead of 7 in my case),
+  because most configuration options are identical for servers belonging to the
+  same ISP. It also made the output of "pdnsd-ctl status" more compact. And it
+  was necessary to enable a satisfactory implementation of the previous feature.
+  Example of the new syntax:
+
+	ip = 123.456.789.001, 123.456.789.002, 123.456.789.003;
+
+  At the suggestion of Greg Norris server sections no longer have to specify IP
+  addresses. A server section without IP addresses will remain inactive until it
+  is assigned one more addresses at run-time with pdnsd-ctl.
+
+- I've changed the implementation of dynamic arrays to make it slightly more
+  efficient, and improve type safety. I also got rid of several arrays of fixed
+  size in favor of dynamically allocated arrays. In particular, I got rid of
+  all occurrences of MAXPATH. I also made several static variables "automatic".
+
+- The output of the "status" command of pdnsd-ctl now gives more meaningful
+  constant names "ping|none|if|exec" instead of numbers for the "uptest" option.
+  I've also added some information that was previously missing.
+
+- I've fixed I a problem that caused pdnsd to use up a lot of CPU time and slow
+  down my system considerably when it received a query that took a long time to
+  resolve. It turned out that pdnsd can get into a "busy spin" when one of the
+  DNS servers pdnsd is querying refuses the connection. Apart from fixing this
+  bug, to speed things up additionally, I thought it would be a good idea to
+  mark a server down (without retesting it) after detecting errno==ECONNREFUSED.
+  This gives me very satisfactory performance, with the problematic server being
+  tried only once during every testing interval.
+
+  New in version 1.1.11: An additional busy spin condition, triggered when a
+  remote server answers with "Not Implemented", has been discovered and fixed.
+  In case there are remaining bugs in the multiplexing code, I've added a test
+  that checks if the number of events reported by poll/select matches the number
+  of events handled by pdnsd. If not, pdnsd will log an error message and give
+  up. Although the bugs still need to be reported and fixed, at least this
+  should prevent pdnsd from wasting CPU cycles.
+
+- Due to a bug in Thomas' code, pdnsd tries, but fails, to remove the control
+  socket "pdnsd.status" before exiting. This has also been fixed. In version
+  1.1.8b1-par6 I have cleaned this up some more so that pdnsd will handle
+  situations where it can't open or bind the control socket more gracefully.
+
+- I've rewritten some of the code that saves the contents of the cache to the
+  file "pdnsd.cache" just before pdnsd exits. This is because I noticed in my
+  logfiles that pdnsd occasionally had problems reading this file back at
+  startup. I eliminated the use of fseek() in Thomas' code. I could not find
+  anything that was demonstrably incorrect about his use of fseek(), but it
+  seemed better to me to do without it and write the file in a strictly
+  sequential order. Anyway, it turned out my hunch paid off: no more error
+  messages about "pdnsd.cache" in my logfile.
+
+  New in version 1.1.11: I've added some new code for sorting the queue used for
+  purging stale cache entries. This should allow pdnsd to start up faster when
+  reading large cache files from disk.
+
+- I've extended the configuration options for policies of inclusion/exclusion
+  lists in server sections. The new policies options are "simple_only" and
+  "fqdn_only". Setting policy=simple_only will cause the server to used only for
+  simple hostnames if no other rule matches. On the other hand, setting
+  policy=fqdn_only will cause the server to be used only for fully qualified
+  domain names (i.e. the name has at least one dot in-between). I find these
+  options useful for controlling which name servers (if any) will be used by
+  pdnsd for simple host names.
+
+- I've added a new "delegation_only" option that can be used to undo the
+  unwanted effects of DNS "wildcards". It works roughly as the feature by the
+  same name in BIND. It is turned off by default. To block Verisign's
+  Sitefinder, add the following line to the global section of the configuration
+  file:
+
+	delegation_only= com, net;
+
+  If you find that this feature blocks some legitimate domain names, you will
+  probably need to add the address of a nameserver that provides good authority
+  information. More information can be found at
+  http://www.phys.uu.nl/~rombouts/pdnsd/delegationonly.html
+
+- It is no longer mandatory that domain names in the configuration file end in a
+  dot.
+
+- The parser for configuration files has been rewritten purely in C, so (f)lex
+  and yacc/bison are no longer needed to build pdnsd.
+  It is no longer necessary to place strings between quotes in the configuration
+  file, unless a string contains a special character such as whitespace, a token
+  that normally starts a comment, or one of the characters ",;{}". Note that
+  these special characters are illegal in domain names anyway.
+
+- New in version 1.1.11: Negating whole domains with a neg section in the
+  config file will result in all the subdomains being negated as well.
+  For example, adding the lines
+
+	neg {name=doubleclick.com; types=domain;}
+	neg {name=doubleclick.net; types=domain;}
+
+  will also negate ad.doubleclick.com, ad.fr.doubleclick.net, etc.
+
+- New in version 1.1.11: When running in IPv6 mode, pdnsd will now automatically
+  map any IPv4 addresses it reads in the config file to IPv6 addresses.
+  When pdnsd has been compiled with IPv6 support and runs in IPv4 mode, it will
+  skip IPv6 addresses with a warning message. This may result in certain server
+  sections becoming inactive, though.
+
+  The -4 and -6 options should now work as advertised.
+  I've added two new command-line options, "-a" and "-i <prefix>".
+  With the -a flag pdnsd will try to detect automatically if IPv6 support is
+  available on a system, and fall back to IPv4 if not. The -a flag can be used
+  instead of -4 or -6.
+  The -i option can be used to specify a prefix for mapping IPv4 to IPv6
+  address. The default is ::ffff.0.0.0.0. There is also a corresponding
+  ipv4_6_prefix= option for the config file.
+
+- New in version 1.1.11: I've slightly changed the way pdnsd does parallel
+  queries. Active queries or not canceled until we have received a useful
+  response from a remote name server, or all the queries have failed or timed
+  out. Thus the par_queries parameter is no longer the maximum number of
+  parallel queries, but rather the increment with which the number of parallel
+  queries is increased when the previous set has timed out. In the worst case
+  there will be pending queries to all the servers in the list of available
+  servers simultaneously. We may be wasting more system resources this way, but
+  the advantage is that we have a greater chance of catching a reply. After all,
+  if we wait longer anyway, why not for more servers.
+  I've also introduced a global timeout parameter. This is the minimum period of
+  time pdnsd will wait after sending the first query to a remote server before
+  giving up without having received a reply. The timeout options in the
+  configuration file are now only minimum timeout intervals. Setting the global
+  timeout option makes it possible to specify quite short timeout intervals in
+  the server sections. This will have the effect that pdnsd will start querying
+  additional servers fairly quickly if the first servers are slow to respond
+  (but will still continue to listen for responses from the first ones). This
+  may allow pdnsd to get an answer more quickly in certain situations.
+
+  After receiving a reply from a remote server the server is marked up and its
+  time stamp is updated. This will have the effect that pdnsd doesn't bother
+  testing this server for availability for a period of time, and thus the
+  overhead caused by testing is reduced. After server timeouts, uptests are
+  performed by the separate server status thread, not by threads that have to
+  answer queries. Unresponsive servers with uptest=ping will not be marked down
+  immediately any more, but only after the ping test has definitely failed.
+
+I've also included a number of bug-fixes contained in a patch file supplied to
+me by Thomas Moestl. In addition to the things I had already fixed, the
+following issues are addressed: some memory leaks, dropping of root privileges
+before calling uptest scripts in case pdnsd was started setuid root (which is a
+bad idea anyway), passing on open fd's to uptests, integer overruns in the
+status reporting code, fixing string passing from the lexer, more consistent
+treatment of underscores in domain names.
+
+In addition to the things I've listed above, I've made various little changes to
+fix minor bugs, improve efficiency or elegance, or simply to suit my my own
+coding style. These changes are too numerous to list here, but some of them are
+listed in the ChangeLog. Of course if you are really interested in the
+nitty-gritty you can always compare the source of my version with Thomas'
+original code.
+
+If you have any questions about the modifications I've made, you can send these
+to <p.a.rombouts@xxxxxxx>. Questions about the original pdnsd version should
+be sent to <tmoestl@xxxxxxx> or <t.moestl@xxxxxxxx>.
diff --git a/orbotservice/src/main/jni/pdnsd/THANKS b/orbotservice/src/main/jni/pdnsd/THANKS
new file mode 100644
index 0000000..9c7e3bb
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/THANKS
@@ -0,0 +1,66 @@
+This is a (hopefully complete) list of people I have to thank for helping me
+develop and improve pdnsd:
+
+David G. Andersen
+Andrew M. Bishop
+Daniel Black
+Carsten Block
+Stephan Boettcher
+P.J. Bostley
+Rodney Brown
+Kevin A. Burton
+Juliusz Chroboczek
+Joachim Dorner
+Frank Elsner
+Christian Engstler
+Stefan Erhardt
+Bjoern Fischer
+Stefan Förster
+Bert Frederiks
+Mike Hammer
+Jonathan Hudson
+Torben Janssen
+Byrial Jensen
+Olaf Kirch
+Nikola Kotur
+Kiyo Kelvin Lee
+Bernd Leibing
+Patrick Loschmidt
+James MacLean
+Sourav K. Mandal
+Fraser McCrossan
+Markus Mohr
+Michael Müller
+Gustavo Niemeyer
+Alexandre Nunes
+Wolfgang Ocker
+Mahesh T. Pai
+Bernhard Pelz
+Soenke J. Peters
+Erich Reitz
+Paul A. Rombouts
+Brian Schroeder
+Roman Shterenzon
+Daniel Smolik
+Milan P. Stanic
+Michael Steiner
+Norbert Steinl
+Andreas Steinmetz	
+Marko Stolle
+Markus Storm
+Michael Ströder
+Thomas Stromberg
+Alan Swanson
+Lyonel Vincent
+Eelco Vriezekolk
+Paul Wagland
+Sverker Wiberg
+Michael Wiedmann
+Ron Yorston
+Nikita V. Youshchenko
+Jan-Marek Glogowski
+Thomas Cort
+Pierre Habouzit
+Dirk Armbrust
+Georg Schwarz
+Ashish Shukla
diff --git a/orbotservice/src/main/jni/pdnsd/TODO b/orbotservice/src/main/jni/pdnsd/TODO
new file mode 100644
index 0000000..f6a1650
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/TODO
@@ -0,0 +1,20 @@
+- Implement a reference counter to ensure that newly entered records are not
+  purged immediately (really needed?)
+- Perhaps do a two-step form of recursive query: first query those servers we
+  have got cached, then (if unsuccessful) look the others up and query again.
+  The impact of this optimisation may not be very big, because all sane servers
+  give A records for NS records if possible.
+- Test for compatibility on other Unix-like Systems other than the BSDs and
+  Linux; rewrite the functions in netdev.c and icmp.c for those OSs if
+  necessary. Also try to get compatibility for other compilers than gcc.
+- Write an install rule for the Slackware start-up script.
+- Update the FAQ.
+- Implement DNSSEC support. Since version 1.2.9, pdnsd is able to cache the RR
+  types necessary for DNSSEC, but the resolver is not yet security aware.
+- Implement a lookup table (hash table) for queries in progress. This would
+  enable a thread that is resolving a query that is already being handled by
+  another thread to wait for that other thread to finish and copy its result
+  rather than independently query remote servers. It is very common for
+  resolvers to resend UDP queries if they don't get a reply within a timeout
+  period and if the answer is not yet cached, this will result in multiple
+  threads duplicating each others work in the current implementation.
diff --git a/orbotservice/src/main/jni/pdnsd/acconfig.h b/orbotservice/src/main/jni/pdnsd/acconfig.h
new file mode 100644
index 0000000..c864071
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/acconfig.h
@@ -0,0 +1,191 @@
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+/* ONLY EDIT acconfig.h, NEVER config.h or config.h.in!
+ * config.h MAY BE OVERWRITTEN BY make, config.h.in by autoheader! */
+
+/* Define your Target here. Currently defined are TARGET_LINUX (any
+ * architecture), TARGET_BSD (experimental; tested on FreeBSD, hopefully
+ * works for other BSD variants) and TARGET_CYGWIN. */
+#define TARGET TARGET_LINUX
+
+/* change the #undef to #define if you do not want to compile with special
+ * ISDN support for Linux. Note that the ISDN support will not compile ok on
+ * unpatched kernerls earlier than 2.2.12 (if you did apply newer isdn patches,
+ * it may work fine). This is not on by default because it will cause compile
+ * problems on some systems */
+#undef ISDN_SUPPORT
+
+/* The following regulates the IP Protocol support. Supported types are IPv4
+ * and IPv6 (aka IPng). You may enable either or both of these protocols.
+ * Enabling in this context means that support for the respective protocol
+ * will be in the binary. When running the binary, one of the protocols may
+ * be activated via command line switches. Note that activating both IPv4 and
+ * IPv6 is pointless (and will not work because two UDP and two TCP threads
+ * will be started that concur for ports). Because of that, it is not allowed.
+ * When pdnsd runs with IPv6 activated it should be able to service queries
+ * from IPv6 as well as from IPv4 hosts, provided that you host is configured
+ * properly.
+ * For each of the protocols there are two options: ENABLE_IPV4 and ENABLE_IPV6
+ * control whether support for the respective protocol is available in the
+ * binary. DEFAULT_IPV4 selects which protocol is enabled on pdnsd
+ * startup by default. 1 means IPv4, while 0 means IPv6. If support for
+ * a protocol was included in the executable, you can specify command line
+ * parameters to activate or deactivate that protocol (the options are -4 and
+ * -6), but it makes more sense to use the run_ipv4=on/off option in the
+ * configuration file.
+ * Make your choice. Note that IPv6 support is experimental in pdnsd.
+ * In normal operation, you will currently only need IPv4. */
+#undef ENABLE_IPV4
+#define DEFAULT_IPV4 1
+#undef ENABLE_IPV6
+
+/* In all pdnsd versions before 1.0.6, DNS queries were always done over
+ * TCP. Now, you have the choice. You can control that behaviour using
+ * the -m command line switch, and you can give a preset here. There
+ * are 3 different modes:
+ * UDP_ONLY: This is undoubtedly the fastest query method, because
+ *       no TCP negotiation needs to be done.
+ * TCP_ONLY: This is slower than uo, but generally more secure
+ *       against DNS spoofing. Note that some name servers on the
+ *       internet do not support TCP queries, notably dnscache.
+ * TCP_UDP: TCP, then UDP. If the TCP query fails with a "connection refused"-
+ *       error or times out, the query is retried using UDP.
+ * UDP_TCP: UDP, then TCP. If the UDP reply is truncated (i.e. the tc flag is set),
+ *       the query is retried using TCP. */
+#define M_PRESET UDP_ONLY
+
+/* In addition to choosing the presets, you may also completely disable
+ * one of the protocols (TCP for preset UDP_ONLY and UDP for preset TCP_ONLY).
+ * This saves some executable space. */
+#undef NO_UDP_QUERIES
+#undef NO_TCP_QUERIES
+
+/* With the following option, you can disable the TCP server functionality
+ * of pdnsd. Nearly no program does TCP queries, so you probably can do
+ * this safely and save some executable space and one thread.
+ * You also can turn off the TCP server at runtime with the --notcp option. */
+#undef NO_TCP_SERVER
+
+/* By undefining the following, you can disable the UDP source address
+ * discovery code. This is not recommended, but you may need it when
+ * running into compilation problems. */
+#undef SRC_ADDR_DISC
+
+/* NO_POLL specifies not to use poll(2), but select(2) instead. If you are
+ * unsure about what this means, just leave this as it is.*/
+#undef NO_POLL
+
+/* Define this for "hard" RFC 2181 compliance: this RFC states that
+ * implementations should discard answers whose RR sets have multiple
+ * different time stamps. While correct answers are generated, incorrect
+ * ones are normally tolerated and corrected. Full RFC compliance is
+ * however only achieved by deactivating this behaviour and thus being
+ * intolerant. */
+#undef RFC2181_ME_HARDER
+
+/* Define this to the device you want to use for getting random numbers.
+ * Leave this undefined if you wand to use the standard C library random
+ * function, which basically should be sufficient.
+ * Linux and FreeBSD have two random number devices: /dev/random and
+ * /dev/urandom. /dev/urandom might be less secure in some cases, but
+ * should still be more than sufficient. The use of /dev/random is
+ * discouraged, as reading from this device blocks when new random bits
+ * need to be gathered. */
+#undef RANDOM_DEVICE
+#undef R_DEFAULT
+#undef R_RANDOM
+#undef R_ARC4RANDOM
+/*#define RANDOM_DEVICE "/dev/urandom"*/
+
+/* Designate which database manager to use for cacheing.
+ * default: native; others: gdbm */
+#define CACHE_DBM DBM_NATIVE
+
+#define CACHEDIR "/var/cache/pdnsd"
+
+#define TEMPDIR "/tmp";
+
+/* This is for various debugging facilities that produce debug output and
+ * double-check some values. You can enable debug messages with the -g option.
+ * Normally, you can switch this off safely by setting the number after DEBUG
+ * to 0. This will increase speed (although only marginally), save space
+ * in the executable (only about 12kB) and some stack space per thread
+ * (which may be significant if you have many threads running simultaneously).
+ * However, it may be an aid when debugging config files.
+ * The only defined debug levels by now are in the range 0 - 9.
+ * Define this to 9 if you want hex dumps of all the queries and replies pdnsd
+ * receives (you must also call pdnsd with -v9 to actually see the hex dumps).
+ * When in doubt, leave it defined to 1. */
+#define DEBUG 1
+
+/* This defines the default verbosity of informational messages you will get.
+   This has nothing to to with the debug option (-g), but may be set with -v
+   option. 0 is for normal operation, up to 3 for debugging.
+   Unlike the debug messages, these messages will also be written to the syslog.*/
+#define VERBOSITY 0
+
+/* Redefine this if you want another hash size.
+ * The number of hash buckets is computed as power of two (1<<HASH_SZ);
+ * so e.g. HASH_SZ set to 10 yields 1024 hash rows.
+ * HASH_SZ may not be bigger than 32 (if you set it even close to that value,
+ * you are nuts.) */
+#define HASH_SZ 10
+
+/* Set this to debug the hash tables. Turn this off normally, or you will get
+ * flooded with diagnostic messages */
+#undef DEBUG_HASH
+
+/* Define if you have working C99 Variadic macro support */
+#undef CPP_C99_VARIADIC_MACROS
+
+/* Define as int if socklen_t typedef is missing */
+#undef socklen_t
+
+/* Lock the UDP socket before using it? */
+#undef SOCKET_LOCKING
+
+/* Default TCP timeout when receiving queries */
+#define TCP_TIMEOUT 30
+
+/* Allow subsequent TCP queries on one connection? */
+#undef TCP_SUBSEQ
+
+/* Default value for parallel query number */
+#define PAR_QUERIES   2
+
+/* Maximum number of IP addresses used per nameserver obtained from NS records. */
+#define MAXNAMESERVIPS 3
+
+/* These are the possible targets. Normally no need to touch these
+ * definitions. */
+#define TARGET_LINUX  0
+#define TARGET_BSD    1
+#define TARGET_CYGWIN 2
+
+/* Assume the Native POSIX Thread Library instead of LinuxThreads ? */
+#undef THREADLIB_NPTL
+
+/* If we are using LinuxThreads, implement the fix needed for newer glibcs ? */
+#undef THREADLIB_LINUXTHREADS2
+
+/* The following is needed for using LinuxThreads. Better don't touch. */
+#define _REENTRANT 1
+#define _THREAD_SAFE 1
+
+/* It appears the newer versions of gcc won't convert a pointer to char into
+   a pointer to unsigned char and vice versa without complaining.
+   By using casts these warning messages can be suppressed, but at the cost
+   of losing some type safety.
+   Define charp and ucharp to be empty if you are a developer and find type
+   safety more important.
+   Leave the definitions unchanged to avoid distracting warning messages. */
+#define charp (char *)
+#define ucharp (unsigned char *)
+
+
+/* pdnsd version. DO NOT TOUCH THIS! It is replaced automatically by the
+ * contents of ./version */
+#define VERSION "@VERSION@"
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/aclocal.m4 b/orbotservice/src/main/jni/pdnsd/aclocal.m4
new file mode 100644
index 0000000..7224f6c
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/aclocal.m4
@@ -0,0 +1,1021 @@
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+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_$1_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_$1_dependencies_compiler_type=none
+fi
+])
+AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
+AM_CONDITIONAL([am__fastdep$1], [
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
+])
+
+
+# AM_SET_DEPDIR
+# -------------
+# Choose a directory name for dependency files.
+# This macro is AC_REQUIREd in _AM_DEPENDENCIES
+AC_DEFUN([AM_SET_DEPDIR],
+[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
+])
+
+
+# AM_DEP_TRACK
+# ------------
+AC_DEFUN([AM_DEP_TRACK],
+[AC_ARG_ENABLE(dependency-tracking,
+[  --disable-dependency-tracking  speeds up one-time build
+  --enable-dependency-tracking   do not reject slow dependency extractors])
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+fi
+AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
+AC_SUBST([AMDEPBACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
+])
+
+# Generate code to set up dependency tracking.              -*- Autoconf -*-
+
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+#serial 5
+
+# _AM_OUTPUT_DEPENDENCY_COMMANDS
+# ------------------------------
+AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
+[{
+  # Autoconf 2.62 quotes --file arguments for eval, but not when files
+  # are listed without --file.  Let's play safe and only enable the eval
+  # if we detect the quoting.
+  case $CONFIG_FILES in
+  *\'*) eval set x "$CONFIG_FILES" ;;
+  *)   set x $CONFIG_FILES ;;
+  esac
+  shift
+  for mf
+  do
+    # Strip MF so we end up with the name of the file.
+    mf=`echo "$mf" | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile or not.
+    # We used to match only the files named `Makefile.in', but
+    # some people rename them; so instead we look at the file content.
+    # Grep'ing the first line is not enough: some people post-process
+    # each Makefile.in and add a new line on top of each file to say so.
+    # Grep'ing the whole file is not good either: AIX grep has a line
+    # limit of 2048, but all sed's we know have understand at least 4000.
+    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+      dirpart=`AS_DIRNAME("$mf")`
+    else
+      continue
+    fi
+    # Extract the definition of DEPDIR, am__include, and am__quote
+    # from the Makefile without running `make'.
+    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+    test -z "$DEPDIR" && continue
+    am__include=`sed -n 's/^am__include = //p' < "$mf"`
+    test -z "am__include" && continue
+    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+    # When using ansi2knr, U may be empty or an underscore; expand it
+    U=`sed -n 's/^U = //p' < "$mf"`
+    # Find all dependency output files, they are included files with
+    # $(DEPDIR) in their names.  We invoke sed twice because it is the
+    # simplest approach to changing $(DEPDIR) to its actual value in the
+    # expansion.
+    for file in `sed -n "
+      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
+      # Make sure the directory exists.
+      test -f "$dirpart/$file" && continue
+      fdir=`AS_DIRNAME(["$file"])`
+      AS_MKDIR_P([$dirpart/$fdir])
+      # echo "creating $dirpart/$file"
+      echo '# dummy' > "$dirpart/$file"
+    done
+  done
+}
+])# _AM_OUTPUT_DEPENDENCY_COMMANDS
+
+
+# AM_OUTPUT_DEPENDENCY_COMMANDS
+# -----------------------------
+# This macro should only be invoked once -- use via AC_REQUIRE.
+#
+# This code is only required when automatic dependency tracking
+# is enabled.  FIXME.  This creates each `.P' file that we will
+# need in order to bootstrap the dependency handling code.
+AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
+[AC_CONFIG_COMMANDS([depfiles],
+     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
+     [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
+])
+
+# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 8
+
+# AM_CONFIG_HEADER is obsolete.  It has been replaced by AC_CONFIG_HEADERS.
+AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_HEADERS($@)])
+
+# Do all the work for Automake.                             -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+# 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 16
+
+# This macro actually does too much.  Some checks are only needed if
+# your package does certain things.  But this isn't really a big deal.
+
+# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
+# AM_INIT_AUTOMAKE([OPTIONS])
+# -----------------------------------------------
+# The call with PACKAGE and VERSION arguments is the old style
+# call (pre autoconf-2.50), which is being phased out.  PACKAGE
+# and VERSION should now be passed to AC_INIT and removed from
+# the call to AM_INIT_AUTOMAKE.
+# We support both call styles for the transition.  After
+# the next Automake release, Autoconf can make the AC_INIT
+# arguments mandatory, and then we can depend on a new Autoconf
+# release and drop the old call support.
+AC_DEFUN([AM_INIT_AUTOMAKE],
+[AC_PREREQ([2.62])dnl
+dnl Autoconf wants to disallow AM_ names.  We explicitly allow
+dnl the ones we care about.
+m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
+AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
+AC_REQUIRE([AC_PROG_INSTALL])dnl
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
+  fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+  if (cygpath --version) >/dev/null 2>/dev/null; then
+    CYGPATH_W='cygpath -w'
+  else
+    CYGPATH_W=echo
+  fi
+fi
+AC_SUBST([CYGPATH_W])
+
+# Define the identity of the package.
+dnl Distinguish between old-style and new-style calls.
+m4_ifval([$2],
+[m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
+ AC_SUBST([PACKAGE], [$1])dnl
+ AC_SUBST([VERSION], [$2])],
+[_AM_SET_OPTIONS([$1])dnl
+dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
+m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
+  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
+ AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
+ AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
+
+_AM_IF_OPTION([no-define],,
+[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
+ AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
+
+# Some tools Automake needs.
+AC_REQUIRE([AM_SANITY_CHECK])dnl
+AC_REQUIRE([AC_ARG_PROGRAM])dnl
+AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
+AM_MISSING_PROG(AUTOCONF, autoconf)
+AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
+AM_MISSING_PROG(AUTOHEADER, autoheader)
+AM_MISSING_PROG(MAKEINFO, makeinfo)
+AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
+AC_REQUIRE([AM_PROG_MKDIR_P])dnl
+# We need awk for the "check" target.  The system "awk" is bad on
+# some platforms.
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
+	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
+			     [_AM_PROG_TAR([v7])])])
+_AM_IF_OPTION([no-dependencies],,
+[AC_PROVIDE_IFELSE([AC_PROG_CC],
+		  [_AM_DEPENDENCIES(CC)],
+		  [define([AC_PROG_CC],
+			  defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_CXX],
+		  [_AM_DEPENDENCIES(CXX)],
+		  [define([AC_PROG_CXX],
+			  defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJC],
+		  [_AM_DEPENDENCIES(OBJC)],
+		  [define([AC_PROG_OBJC],
+			  defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
+])
+_AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
+dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
+dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This macro
+dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
+AC_CONFIG_COMMANDS_PRE(dnl
+[m4_provide_if([_AM_COMPILER_EXEEXT],
+  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
+])
+
+dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
+dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
+dnl mangled by Autoconf and run in a shell conditional statement.
+m4_define([_AC_COMPILER_EXEEXT],
+m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
+
+
+# When config.status generates a header, we must update the stamp-h file.
+# This file resides in the same directory as the config header
+# that is generated.  The stamp files are numbered to have different names.
+
+# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
+# loop where config.status creates the headers, so we can generate
+# our stamp files there.
+AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
+[# Compute $1's index in $config_headers.
+_am_arg=$1
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
+
+# Copyright (C) 2001, 2003, 2005, 2008  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_SH
+# ------------------
+# Define $install_sh.
+AC_DEFUN([AM_PROG_INSTALL_SH],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+if test x"${install_sh}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+AC_SUBST(install_sh)])
+
+# Copyright (C) 2003, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# Check whether the underlying file-system supports filenames
+# with a leading dot.  For instance MS-DOS doesn't.
+AC_DEFUN([AM_SET_LEADING_DOT],
+[rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+AC_SUBST([am__leading_dot])])
+
+# Check to see how 'make' treats includes.	            -*- Autoconf -*-
+
+# Copyright (C) 2001, 2002, 2003, 2005, 2009  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 4
+
+# AM_MAKE_INCLUDE()
+# -----------------
+# Check to see how make treats includes.
+AC_DEFUN([AM_MAKE_INCLUDE],
+[am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+	@echo this is the am__doit target
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+AC_MSG_CHECKING([for style of include used by $am_make])
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# Ignore all kinds of additional output from `make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+  am__include=include
+  am__quote=
+  _am_result=GNU
+  ;;
+esac
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+   echo '.include "confinc"' > confmf
+   case `$am_make -s -f confmf 2> /dev/null` in #(
+   *the\ am__doit\ target*)
+     am__include=.include
+     am__quote="\""
+     _am_result=BSD
+     ;;
+   esac
+fi
+AC_SUBST([am__include])
+AC_SUBST([am__quote])
+AC_MSG_RESULT([$_am_result])
+rm -f confinc confmf
+])
+
+# Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 6
+
+# AM_PROG_CC_C_O
+# --------------
+# Like AC_PROG_CC_C_O, but changed for automake.
+AC_DEFUN([AM_PROG_CC_C_O],
+[AC_REQUIRE([AC_PROG_CC_C_O])dnl
+AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([compile])dnl
+# FIXME: we rely on the cache variable name because
+# there is no other way.
+set dummy $CC
+am_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
+eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
+if test "$am_t" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+dnl Make sure AC_PROG_CC is never called again, or it will override our
+dnl setting of CC.
+m4_define([AC_PROG_CC],
+          [m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])])
+])
+
+# Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
+
+# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 6
+
+# AM_MISSING_PROG(NAME, PROGRAM)
+# ------------------------------
+AC_DEFUN([AM_MISSING_PROG],
+[AC_REQUIRE([AM_MISSING_HAS_RUN])
+$1=${$1-"${am_missing_run}$2"}
+AC_SUBST($1)])
+
+
+# AM_MISSING_HAS_RUN
+# ------------------
+# Define MISSING if not defined so far and test if it supports --run.
+# If it does, set am_missing_run to use it, otherwise, to nothing.
+AC_DEFUN([AM_MISSING_HAS_RUN],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([missing])dnl
+if test x"${MISSING+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
+  *)
+    MISSING="\${SHELL} $am_aux_dir/missing" ;;
+  esac
+fi
+# Use eval to expand $SHELL
+if eval "$MISSING --run true"; then
+  am_missing_run="$MISSING --run "
+else
+  am_missing_run=
+  AC_MSG_WARN([`missing' script is too old or missing])
+fi
+])
+
+# Copyright (C) 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_MKDIR_P
+# ---------------
+# Check for `mkdir -p'.
+AC_DEFUN([AM_PROG_MKDIR_P],
+[AC_PREREQ([2.60])dnl
+AC_REQUIRE([AC_PROG_MKDIR_P])dnl
+dnl Automake 1.8 to 1.9.6 used to define mkdir_p.  We now use MKDIR_P,
+dnl while keeping a definition of mkdir_p for backward compatibility.
+dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
+dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
+dnl Makefile.ins that do not define MKDIR_P, so we do our own
+dnl adjustment using top_builddir (which is defined more often than
+dnl MKDIR_P).
+AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
+case $mkdir_p in
+  [[\\/$]]* | ?:[[\\/]]*) ;;
+  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
+esac
+])
+
+# Helper functions for option handling.                     -*- Autoconf -*-
+
+# Copyright (C) 2001, 2002, 2003, 2005, 2008  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 4
+
+# _AM_MANGLE_OPTION(NAME)
+# -----------------------
+AC_DEFUN([_AM_MANGLE_OPTION],
+[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
+
+# _AM_SET_OPTION(NAME)
+# ------------------------------
+# Set option NAME.  Presently that only means defining a flag for this option.
+AC_DEFUN([_AM_SET_OPTION],
+[m4_define(_AM_MANGLE_OPTION([$1]), 1)])
+
+# _AM_SET_OPTIONS(OPTIONS)
+# ----------------------------------
+# OPTIONS is a space-separated list of Automake options.
+AC_DEFUN([_AM_SET_OPTIONS],
+[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
+
+# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
+# -------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+AC_DEFUN([_AM_IF_OPTION],
+[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
+
+# Check to make sure that the build environment is sane.    -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 5
+
+# AM_SANITY_CHECK
+# ---------------
+AC_DEFUN([AM_SANITY_CHECK],
+[AC_MSG_CHECKING([whether build environment is sane])
+# Just in case
+sleep 1
+echo timestamp > conftest.file
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[[\\\"\#\$\&\'\`$am_lf]]*)
+    AC_MSG_ERROR([unsafe absolute working directory name]);;
+esac
+case $srcdir in
+  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
+    AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
+esac
+
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+   if test "$[*]" = "X"; then
+      # -L didn't work.
+      set X `ls -t "$srcdir/configure" conftest.file`
+   fi
+   rm -f conftest.file
+   if test "$[*]" != "X $srcdir/configure conftest.file" \
+      && test "$[*]" != "X conftest.file $srcdir/configure"; then
+
+      # If neither matched, then we have a broken ls.  This can happen
+      # if, for instance, CONFIG_SHELL is bash and it inherits a
+      # broken ls alias from the environment.  This has actually
+      # happened.  Such a system could not be considered "sane".
+      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+alias in your environment])
+   fi
+
+   test "$[2]" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+AC_MSG_RESULT(yes)])
+
+# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_STRIP
+# ---------------------
+# One issue with vendor `install' (even GNU) is that you can't
+# specify the program used to strip binaries.  This is especially
+# annoying in cross-compiling environments, where the build's strip
+# is unlikely to handle the host's binaries.
+# Fortunately install-sh will honor a STRIPPROG variable, so we
+# always use install-sh in `make install-strip', and initialize
+# STRIPPROG with the value of the STRIP variable (set by the user).
+AC_DEFUN([AM_PROG_INSTALL_STRIP],
+[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+# Installed binaries are usually stripped using `strip' when the user
+# run `make install-strip'.  However `strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the `STRIP' environment variable to overrule this program.
+dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
+if test "$cross_compiling" != no; then
+  AC_CHECK_TOOL([STRIP], [strip], :)
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+AC_SUBST([INSTALL_STRIP_PROGRAM])])
+
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# _AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
+# This macro is traced by Automake.
+AC_DEFUN([_AM_SUBST_NOTMAKE])
+
+# AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Public sister of _AM_SUBST_NOTMAKE.
+AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
+
+# Check how to create a tarball.                            -*- Autoconf -*-
+
+# Copyright (C) 2004, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# _AM_PROG_TAR(FORMAT)
+# --------------------
+# Check how to create a tarball in format FORMAT.
+# FORMAT should be one of `v7', `ustar', or `pax'.
+#
+# Substitute a variable $(am__tar) that is a command
+# writing to stdout a FORMAT-tarball containing the directory
+# $tardir.
+#     tardir=directory && $(am__tar) > result.tar
+#
+# Substitute a variable $(am__untar) that extract such
+# a tarball read from stdin.
+#     $(am__untar) < result.tar
+AC_DEFUN([_AM_PROG_TAR],
+[# Always define AMTAR for backward compatibility.
+AM_MISSING_PROG([AMTAR], [tar])
+m4_if([$1], [v7],
+     [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
+     [m4_case([$1], [ustar],, [pax],,
+              [m4_fatal([Unknown tar format])])
+AC_MSG_CHECKING([how to create a $1 tar archive])
+# Loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
+_am_tools=${am_cv_prog_tar_$1-$_am_tools}
+# Do not fold the above two line into one, because Tru64 sh and
+# Solaris sh will not grok spaces in the rhs of `-'.
+for _am_tool in $_am_tools
+do
+  case $_am_tool in
+  gnutar)
+    for _am_tar in tar gnutar gtar;
+    do
+      AM_RUN_LOG([$_am_tar --version]) && break
+    done
+    am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+    am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+    am__untar="$_am_tar -xf -"
+    ;;
+  plaintar)
+    # Must skip GNU tar: if it does not support --format= it doesn't create
+    # ustar tarball either.
+    (tar --version) >/dev/null 2>&1 && continue
+    am__tar='tar chf - "$$tardir"'
+    am__tar_='tar chf - "$tardir"'
+    am__untar='tar xf -'
+    ;;
+  pax)
+    am__tar='pax -L -x $1 -w "$$tardir"'
+    am__tar_='pax -L -x $1 -w "$tardir"'
+    am__untar='pax -r'
+    ;;
+  cpio)
+    am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+    am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+    am__untar='cpio -i -H $1 -d'
+    ;;
+  none)
+    am__tar=false
+    am__tar_=false
+    am__untar=false
+    ;;
+  esac
+
+  # If the value was cached, stop now.  We just wanted to have am__tar
+  # and am__untar set.
+  test -n "${am_cv_prog_tar_$1}" && break
+
+  # tar/untar a dummy directory, and stop if the command works
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  echo GrepMe > conftest.dir/file
+  AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+  rm -rf conftest.dir
+  if test -s conftest.tar; then
+    AM_RUN_LOG([$am__untar <conftest.tar])
+    grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
+  fi
+done
+rm -rf conftest.dir
+
+AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+AC_SUBST([am__tar])
+AC_SUBST([am__untar])
+]) # _AM_PROG_TAR
+
diff --git a/orbotservice/src/main/jni/pdnsd/compile b/orbotservice/src/main/jni/pdnsd/compile
new file mode 100644
index 0000000..1b1d232
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/compile
@@ -0,0 +1,142 @@
+#! /bin/sh
+# Wrapper for compilers which do not understand `-c -o'.
+
+scriptversion=2005-05-14.22
+
+# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@xxxxxxxxxx>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@xxxxxxx> or send patches to
+# <automake-patches@xxxxxxx>.
+
+case $1 in
+  '')
+     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand `-c -o'.
+Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file `INSTALL'.
+
+Report bugs to <bug-automake@xxxxxxx>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "compile $scriptversion"
+    exit $?
+    ;;
+esac
+
+ofile=
+cfile=
+eat=
+
+for arg
+do
+  if test -n "$eat"; then
+    eat=
+  else
+    case $1 in
+      -o)
+	# configure might choose to run compile as `compile cc -o foo foo.c'.
+	# So we strip `-o arg' only if arg is an object.
+	eat=1
+	case $2 in
+	  *.o | *.obj)
+	    ofile=$2
+	    ;;
+	  *)
+	    set x "$@" -o "$2"
+	    shift
+	    ;;
+	esac
+	;;
+      *.c)
+	cfile=$1
+	set x "$@" "$1"
+	shift
+	;;
+      *)
+	set x "$@" "$1"
+	shift
+	;;
+    esac
+  fi
+  shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+  # If no `-o' option was seen then we might have been invoked from a
+  # pattern rule where we don't need one.  That is ok -- this is a
+  # normal compilation that the losing compiler can handle.  If no
+  # `.c' file was seen then we are probably linking.  That is also
+  # ok.
+  exec "$@"
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use `[/.-]' here to ensure that we don't use the same name
+# that we are using for the .o file.  Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
+while true; do
+  if mkdir "$lockdir" >/dev/null 2>&1; then
+    break
+  fi
+  sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir '$lockdir'; exit 1" 1 2 15
+
+# Run the compile.
+"$@"
+ret=$?
+
+if test -f "$cofile"; then
+  mv "$cofile" "$ofile"
+elif test -f "${cofile}bj"; then
+  mv "${cofile}bj" "$ofile"
+fi
+
+rmdir "$lockdir"
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/orbotservice/src/main/jni/pdnsd/config.h b/orbotservice/src/main/jni/pdnsd/config.h
new file mode 100644
index 0000000..2bfa268
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/config.h
@@ -0,0 +1,437 @@
+/* config.h.  Generated from config.h.in by configure.  */
+/* config.h.in.  Generated from configure.in by autoheader.  */
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+/* ONLY EDIT acconfig.h, NEVER config.h or config.h.in!
+ * config.h MAY BE OVERWRITTEN BY make, config.h.in by autoheader! */
+
+/* Define your Target here. Currently defined are TARGET_LINUX (any
+ * architecture), TARGET_BSD (experimental; tested on FreeBSD, hopefully
+ * works for other BSD variants) and TARGET_CYGWIN. */
+#define TARGET TARGET_LINUX
+
+/* change the #undef to #define if you do not want to compile with special
+ * ISDN support for Linux. Note that the ISDN support will not compile ok on
+ * unpatched kernerls earlier than 2.2.12 (if you did apply newer isdn patches,
+ * it may work fine). This is not on by default because it will cause compile
+ * problems on some systems */
+/* #undef ISDN_SUPPORT */
+
+/* The following regulates the IP Protocol support. Supported types are IPv4
+ * and IPv6 (aka IPng). You may enable either or both of these protocols.
+ * Enabling in this context means that support for the respective protocol
+ * will be in the binary. When running the binary, one of the protocols may
+ * be activated via command line switches. Note that activating both IPv4 and
+ * IPv6 is pointless (and will not work because two UDP and two TCP threads
+ * will be started that concur for ports). Because of that, it is not allowed.
+ * When pdnsd runs with IPv6 activated it should be able to service queries
+ * from IPv6 as well as from IPv4 hosts, provided that you host is configured
+ * properly.
+ * For each of the protocols there are two options: ENABLE_IPV4 and ENABLE_IPV6
+ * control whether support for the respective protocol is available in the
+ * binary. DEFAULT_IPV4 selects which protocol is enabled on pdnsd
+ * startup by default. 1 means IPv4, while 0 means IPv6. If support for
+ * a protocol was included in the executable, you can specify command line
+ * parameters to activate or deactivate that protocol (the options are -4 and
+ * -6), but it makes more sense to use the run_ipv4=on/off option in the
+ * configuration file.
+ * Make your choice. Note that IPv6 support is experimental in pdnsd.
+ * In normal operation, you will currently only need IPv4. */
+#define ENABLE_IPV4 1
+#define DEFAULT_IPV4 1
+#undef ENABLE_IPV6 
+
+/* In all pdnsd versions before 1.0.6, DNS queries were always done over
+ * TCP. Now, you have the choice. You can control that behaviour using
+ * the -m command line switch, and you can give a preset here. There
+ * are 3 different modes:
+ * UDP_ONLY: This is undoubtedly the fastest query method, because
+ *       no TCP negotiation needs to be done.
+ * TCP_ONLY: This is slower than uo, but generally more secure
+ *       against DNS spoofing. Note that some name servers on the
+ *       internet do not support TCP queries, notably dnscache.
+ * TCP_UDP: TCP, then UDP. If the TCP query fails with a "connection refused"-
+ *       error or times out, the query is retried using UDP.
+ * UDP_TCP: UDP, then TCP. If the UDP reply is truncated (i.e. the tc flag is set),
+ *       the query is retried using TCP. */
+#define M_PRESET TCP_ONLY
+
+/* In addition to choosing the presets, you may also completely disable
+ * one of the protocols (TCP for preset UDP_ONLY and UDP for preset TCP_ONLY).
+ * This saves some executable space. */
+/* #undef NO_UDP_QUERIES */
+/* #undef NO_TCP_QUERIES */
+
+/* With the following option, you can disable the TCP server functionality
+ * of pdnsd. Nearly no program does TCP queries, so you probably can do
+ * this safely and save some executable space and one thread.
+ * You also can turn off the TCP server at runtime with the --notcp option. */
+/* #undef NO_TCP_SERVER */
+
+/* By undefining the following, you can disable the UDP source address
+ * discovery code. This is not recommended, but you may need it when
+ * running into compilation problems. */
+#define SRC_ADDR_DISC 1
+
+/* NO_POLL specifies not to use poll(2), but select(2) instead. If you are
+ * unsure about what this means, just leave this as it is.*/
+/* #undef NO_POLL */
+
+/* Define this for "hard" RFC 2181 compliance: this RFC states that
+ * implementations should discard answers whose RR sets have multiple
+ * different time stamps. While correct answers are generated, incorrect
+ * ones are normally tolerated and corrected. Full RFC compliance is
+ * however only achieved by deactivating this behaviour and thus being
+ * intolerant. */
+/* #undef RFC2181_ME_HARDER */
+
+/* Define this to the device you want to use for getting random numbers.
+ * Leave this undefined if you wand to use the standard C library random
+ * function, which basically should be sufficient.
+ * Linux and FreeBSD have two random number devices: /dev/random and
+ * /dev/urandom. /dev/urandom might be less secure in some cases, but
+ * should still be more than sufficient. The use of /dev/random is
+ * discouraged, as reading from this device blocks when new random bits
+ * need to be gathered. */
+/* #undef RANDOM_DEVICE */
+#define R_DEFAULT 1
+/* #undef R_RANDOM */
+/* #undef R_ARC4RANDOM */
+/*#define RANDOM_DEVICE "/dev/urandom"*/
+
+/* Designate which database manager to use for cacheing.
+ * default: native; others: gdbm */
+#define CACHE_DBM DBM_NATIVE
+
+#define CONFDIR "/data/data/net.typeblog.socks"
+
+#define CACHEDIR "/data/data/net.typeblog.socks"
+
+#define TEMPDIR "/data/data/net.typeblog.socks/cache";
+
+/* This is for various debugging facilities that produce debug output and
+ * double-check some values. You can enable debug messages with the -g option.
+ * Normally, you can switch this off safely by setting the number after DEBUG
+ * to 0. This will increase speed (although only marginally), save space
+ * in the executable (only about 12kB) and some stack space per thread
+ * (which may be significant if you have many threads running simultaneously).
+ * However, it may be an aid when debugging config files.
+ * The only defined debug levels by now are in the range 0 - 9.
+ * Define this to 9 if you want hex dumps of all the queries and replies pdnsd
+ * receives (you must also call pdnsd with -v9 to actually see the hex dumps).
+ * When in doubt, leave it defined to 1. */
+#define DEBUG 1
+
+/* This defines the default verbosity of informational messages you will get.
+   This has nothing to to with the debug option (-g), but may be set with -v
+   option. 0 is for normal operation, up to 3 for debugging.
+   Unlike the debug messages, these messages will also be written to the syslog.*/
+#define VERBOSITY 0
+
+/* Redefine this if you want another hash size.
+ * The number of hash buckets is computed as power of two (1<<HASH_SZ);
+ * so e.g. HASH_SZ set to 10 yields 1024 hash rows.
+ * HASH_SZ may not be bigger than 32 (if you set it even close to that value,
+ * you are nuts.) */
+#define HASH_SZ 10
+
+/* Set this to debug the hash tables. Turn this off normally, or you will get
+ * flooded with diagnostic messages */
+/* #undef DEBUG_HASH */
+
+/* Define if you have working C99 Variadic macro support */
+#define CPP_C99_VARIADIC_MACROS 1
+
+/* Define as int if socklen_t typedef is missing */
+/* #undef socklen_t */
+
+/* Lock the UDP socket before using it? */
+/* #undef SOCKET_LOCKING */
+
+/* Default TCP timeout when receiving queries */
+#define TCP_TIMEOUT 5
+
+/* Allow subsequent TCP queries on one connection? */
+/* #undef TCP_SUBSEQ */
+
+/* Default value for parallel query number */
+#define PAR_QUERIES   4
+
+/* Maximum number of IP addresses used per nameserver obtained from NS records. */
+#define MAXNAMESERVIPS 3
+
+/* These are the possible targets. Normally no need to touch these
+ * definitions. */
+#define TARGET_LINUX  0
+#define TARGET_BSD    1
+#define TARGET_CYGWIN 2
+
+/* Assume the Native POSIX Thread Library instead of LinuxThreads ? */
+#define THREADLIB_NPTL 1
+
+/* If we are using LinuxThreads, implement the fix needed for newer glibcs ? */
+/* #undef THREADLIB_LINUXTHREADS2 */
+
+/* The following is needed for using LinuxThreads. Better don't touch. */
+#define _REENTRANT 1
+#define _THREAD_SAFE 1
+
+/* It appears the newer versions of gcc won't convert a pointer to char into
+   a pointer to unsigned char and vice versa without complaining.
+   By using casts these warning messages can be suppressed, but at the cost
+   of losing some type safety.
+   Define charp and ucharp to be empty if you are a developer and find type
+   safety more important.
+   Leave the definitions unchanged to avoid distracting warning messages. */
+#define charp (char *)
+#define ucharp (unsigned char *)
+
+
+/* pdnsd version. DO NOT TOUCH THIS! It is replaced automatically by the
+ * contents of ./version */
+#define VERSION "1.2.9a-par"
+
+#endif
+
+/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
+   systems. This function is required for `alloca.c' support on those systems.
+   */
+/* #undef CRAY_STACKSEG_END */
+
+/* Define to 1 if using `alloca.c'. */
+/* #undef C_ALLOCA */
+
+/* Define to 1 if you have `alloca', as a function or macro. */
+#define HAVE_ALLOCA 1
+
+/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
+   */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the `asprintf' function. */
+#define HAVE_ASPRINTF 1
+
+/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
+/* #undef HAVE_DOPRNT */
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have the `getline' function. */
+#if defined(__aarch64__) || defined(__x86_64__)
+#define HAVE_GETLINE 1
+#endif
+
+/* Define to 1 if you have the `getpwnam_r' function. */
+//#define HAVE_GETPWNAM_R 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have the `inet_ntop' function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have the `inet_pton' function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the `pthread' library (-lpthread). */
+#define HAVE_LIBPTHREAD 1
+
+/* Define to 1 if you have the <malloc.h> header file. */
+#define HAVE_MALLOC_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the `mempcpy' function. */
+//#define HAVE_MEMPCPY 1
+
+/* Define to 1 if you have the `mkfifo' function. */
+#define HAVE_MKFIFO 1
+
+/* Define to 1 if you have the `nanosleep' function. */
+#define HAVE_NANOSLEEP 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if you have the `poll' function. */
+#define HAVE_POLL 1
+
+/* Define to 1 if you have the `select' function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the `snprintf' function. */
+#define HAVE_SNPRINTF 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define to 1 if the system has the type `socklen_t'. */
+#define HAVE_SOCKLEN_T 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the `stpcpy' function. */
+#if defined(__aarch64__) || defined(__x86_64__)
+#define HAVE_STPCPY 1
+#endif
+
+/* Define to 1 if you have the `stpncpy' function. */
+//#define HAVE_STPNCPY 1
+
+/* Define to 1 if you have the `strdup' function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the `strerror' function. */
+#define HAVE_STRERROR 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the `strndup' function. */
+#define HAVE_STRNDUP 1
+
+/* Define to 1 if the system has the type `struct ifreq'. */
+#define HAVE_STRUCT_IFREQ 1
+
+/* Define to 1 if the system has the type `struct in6_addr'. */
+#define HAVE_STRUCT_IN6_ADDR 1
+
+/* Define to 1 if the system has the type `struct in_pktinfo'. */
+#define HAVE_STRUCT_IN_PKTINFO 1
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#define HAVE_SYSLOG_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
+#define HAVE_SYS_WAIT_H 1
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `vasprintf' function. */
+#define HAVE_VASPRINTF 1
+
+/* Define to 1 if you have the `vprintf' function. */
+#define HAVE_VPRINTF 1
+
+/* Define to 1 if you have the `vsnprintf' function. */
+#define HAVE_VSNPRINTF 1
+
+/* Define to 1 if your C compiler doesn't accept -c and -o together. */
+/* #undef NO_MINUS_C_MINUS_O */
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT ""
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME ""
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING ""
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION ""
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* If using the C implementation of alloca, define if you know the
+   direction of stack growth for your system; otherwise it will be
+   automatically deduced at runtime.
+	STACK_DIRECTION > 0 => grows toward higher addresses
+	STACK_DIRECTION < 0 => grows toward lower addresses
+	STACK_DIRECTION = 0 => direction of growth unknown */
+/* #undef STACK_DIRECTION */
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define to 1 if your <sys/time.h> declares `struct tm'. */
+/* #undef TM_IN_SYS_TIME */
+
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# define _ALL_SOURCE 1
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+/* Enable threading extensions on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# define _POSIX_PTHREAD_SEMANTICS 1
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# define _TANDEM_SOURCE 1
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# define __EXTENSIONS__ 1
+#endif
+
+
+/* Define to 1 if on MINIX. */
+/* #undef _MINIX */
+
+/* Define to 2 if the system does not provide POSIX.1 features except with
+   this defined. */
+/* #undef _POSIX_1_SOURCE */
+
+/* Define to 1 if you need to in order for `stat' and other things to work. */
+/* #undef _POSIX_SOURCE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Define to `int' if <sys/types.h> does not define. */
+/* #undef pid_t */
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
diff --git a/orbotservice/src/main/jni/pdnsd/config.h.in b/orbotservice/src/main/jni/pdnsd/config.h.in
new file mode 100644
index 0000000..c4ac994
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/config.h.in
@@ -0,0 +1,430 @@
+/* config.h.in.  Generated from configure.in by autoheader.  */
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+/* ONLY EDIT acconfig.h, NEVER config.h or config.h.in!
+ * config.h MAY BE OVERWRITTEN BY make, config.h.in by autoheader! */
+
+/* Define your Target here. Currently defined are TARGET_LINUX (any
+ * architecture), TARGET_BSD (experimental; tested on FreeBSD, hopefully
+ * works for other BSD variants) and TARGET_CYGWIN. */
+#define TARGET TARGET_LINUX
+
+/* change the #undef to #define if you do not want to compile with special
+ * ISDN support for Linux. Note that the ISDN support will not compile ok on
+ * unpatched kernerls earlier than 2.2.12 (if you did apply newer isdn patches,
+ * it may work fine). This is not on by default because it will cause compile
+ * problems on some systems */
+#undef ISDN_SUPPORT
+
+/* The following regulates the IP Protocol support. Supported types are IPv4
+ * and IPv6 (aka IPng). You may enable either or both of these protocols.
+ * Enabling in this context means that support for the respective protocol
+ * will be in the binary. When running the binary, one of the protocols may
+ * be activated via command line switches. Note that activating both IPv4 and
+ * IPv6 is pointless (and will not work because two UDP and two TCP threads
+ * will be started that concur for ports). Because of that, it is not allowed.
+ * When pdnsd runs with IPv6 activated it should be able to service queries
+ * from IPv6 as well as from IPv4 hosts, provided that you host is configured
+ * properly.
+ * For each of the protocols there are two options: ENABLE_IPV4 and ENABLE_IPV6
+ * control whether support for the respective protocol is available in the
+ * binary. DEFAULT_IPV4 selects which protocol is enabled on pdnsd
+ * startup by default. 1 means IPv4, while 0 means IPv6. If support for
+ * a protocol was included in the executable, you can specify command line
+ * parameters to activate or deactivate that protocol (the options are -4 and
+ * -6), but it makes more sense to use the run_ipv4=on/off option in the
+ * configuration file.
+ * Make your choice. Note that IPv6 support is experimental in pdnsd.
+ * In normal operation, you will currently only need IPv4. */
+#undef ENABLE_IPV4
+#define DEFAULT_IPV4 1
+#undef ENABLE_IPV6
+
+/* In all pdnsd versions before 1.0.6, DNS queries were always done over
+ * TCP. Now, you have the choice. You can control that behaviour using
+ * the -m command line switch, and you can give a preset here. There
+ * are 3 different modes:
+ * UDP_ONLY: This is undoubtedly the fastest query method, because
+ *       no TCP negotiation needs to be done.
+ * TCP_ONLY: This is slower than uo, but generally more secure
+ *       against DNS spoofing. Note that some name servers on the
+ *       internet do not support TCP queries, notably dnscache.
+ * TCP_UDP: TCP, then UDP. If the TCP query fails with a "connection refused"-
+ *       error or times out, the query is retried using UDP.
+ * UDP_TCP: UDP, then TCP. If the UDP reply is truncated (i.e. the tc flag is set),
+ *       the query is retried using TCP. */
+#define M_PRESET UDP_ONLY
+
+/* In addition to choosing the presets, you may also completely disable
+ * one of the protocols (TCP for preset UDP_ONLY and UDP for preset TCP_ONLY).
+ * This saves some executable space. */
+#undef NO_UDP_QUERIES
+#undef NO_TCP_QUERIES
+
+/* With the following option, you can disable the TCP server functionality
+ * of pdnsd. Nearly no program does TCP queries, so you probably can do
+ * this safely and save some executable space and one thread.
+ * You also can turn off the TCP server at runtime with the --notcp option. */
+#undef NO_TCP_SERVER
+
+/* By undefining the following, you can disable the UDP source address
+ * discovery code. This is not recommended, but you may need it when
+ * running into compilation problems. */
+#undef SRC_ADDR_DISC
+
+/* NO_POLL specifies not to use poll(2), but select(2) instead. If you are
+ * unsure about what this means, just leave this as it is.*/
+#undef NO_POLL
+
+/* Define this for "hard" RFC 2181 compliance: this RFC states that
+ * implementations should discard answers whose RR sets have multiple
+ * different time stamps. While correct answers are generated, incorrect
+ * ones are normally tolerated and corrected. Full RFC compliance is
+ * however only achieved by deactivating this behaviour and thus being
+ * intolerant. */
+#undef RFC2181_ME_HARDER
+
+/* Define this to the device you want to use for getting random numbers.
+ * Leave this undefined if you wand to use the standard C library random
+ * function, which basically should be sufficient.
+ * Linux and FreeBSD have two random number devices: /dev/random and
+ * /dev/urandom. /dev/urandom might be less secure in some cases, but
+ * should still be more than sufficient. The use of /dev/random is
+ * discouraged, as reading from this device blocks when new random bits
+ * need to be gathered. */
+#undef RANDOM_DEVICE
+#undef R_DEFAULT
+#undef R_RANDOM
+#undef R_ARC4RANDOM
+/*#define RANDOM_DEVICE "/dev/urandom"*/
+
+/* Designate which database manager to use for cacheing.
+ * default: native; others: gdbm */
+#define CACHE_DBM DBM_NATIVE
+
+#define CACHEDIR "/var/cache/pdnsd"
+
+#define TEMPDIR "/tmp";
+
+/* This is for various debugging facilities that produce debug output and
+ * double-check some values. You can enable debug messages with the -g option.
+ * Normally, you can switch this off safely by setting the number after DEBUG
+ * to 0. This will increase speed (although only marginally), save space
+ * in the executable (only about 12kB) and some stack space per thread
+ * (which may be significant if you have many threads running simultaneously).
+ * However, it may be an aid when debugging config files.
+ * The only defined debug levels by now are in the range 0 - 9.
+ * Define this to 9 if you want hex dumps of all the queries and replies pdnsd
+ * receives (you must also call pdnsd with -v9 to actually see the hex dumps).
+ * When in doubt, leave it defined to 1. */
+#define DEBUG 1
+
+/* This defines the default verbosity of informational messages you will get.
+   This has nothing to to with the debug option (-g), but may be set with -v
+   option. 0 is for normal operation, up to 3 for debugging.
+   Unlike the debug messages, these messages will also be written to the syslog.*/
+#define VERBOSITY 0
+
+/* Redefine this if you want another hash size.
+ * The number of hash buckets is computed as power of two (1<<HASH_SZ);
+ * so e.g. HASH_SZ set to 10 yields 1024 hash rows.
+ * HASH_SZ may not be bigger than 32 (if you set it even close to that value,
+ * you are nuts.) */
+#define HASH_SZ 10
+
+/* Set this to debug the hash tables. Turn this off normally, or you will get
+ * flooded with diagnostic messages */
+#undef DEBUG_HASH
+
+/* Define if you have working C99 Variadic macro support */
+#undef CPP_C99_VARIADIC_MACROS
+
+/* Define as int if socklen_t typedef is missing */
+#undef socklen_t
+
+/* Lock the UDP socket before using it? */
+#undef SOCKET_LOCKING
+
+/* Default TCP timeout when receiving queries */
+#define TCP_TIMEOUT 30
+
+/* Allow subsequent TCP queries on one connection? */
+#undef TCP_SUBSEQ
+
+/* Default value for parallel query number */
+#define PAR_QUERIES   2
+
+/* Maximum number of IP addresses used per nameserver obtained from NS records. */
+#define MAXNAMESERVIPS 3
+
+/* These are the possible targets. Normally no need to touch these
+ * definitions. */
+#define TARGET_LINUX  0
+#define TARGET_BSD    1
+#define TARGET_CYGWIN 2
+
+/* Assume the Native POSIX Thread Library instead of LinuxThreads ? */
+#undef THREADLIB_NPTL
+
+/* If we are using LinuxThreads, implement the fix needed for newer glibcs ? */
+#undef THREADLIB_LINUXTHREADS2
+
+/* The following is needed for using LinuxThreads. Better don't touch. */
+#define _REENTRANT 1
+#define _THREAD_SAFE 1
+
+/* It appears the newer versions of gcc won't convert a pointer to char into
+   a pointer to unsigned char and vice versa without complaining.
+   By using casts these warning messages can be suppressed, but at the cost
+   of losing some type safety.
+   Define charp and ucharp to be empty if you are a developer and find type
+   safety more important.
+   Leave the definitions unchanged to avoid distracting warning messages. */
+#define charp (char *)
+#define ucharp (unsigned char *)
+
+
+/* pdnsd version. DO NOT TOUCH THIS! It is replaced automatically by the
+ * contents of ./version */
+#define VERSION "@VERSION@"
+
+#endif
+
+/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
+   systems. This function is required for `alloca.c' support on those systems.
+   */
+#undef CRAY_STACKSEG_END
+
+/* Define to 1 if using `alloca.c'. */
+#undef C_ALLOCA
+
+/* Define to 1 if you have `alloca', as a function or macro. */
+#undef HAVE_ALLOCA
+
+/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
+   */
+#undef HAVE_ALLOCA_H
+
+/* Define to 1 if you have the `asprintf' function. */
+#undef HAVE_ASPRINTF
+
+/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
+#undef HAVE_DOPRNT
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define to 1 if you have the `getline' function. */
+#undef HAVE_GETLINE
+
+/* Define to 1 if you have the `getpwnam_r' function. */
+#undef HAVE_GETPWNAM_R
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#undef HAVE_GETTIMEOFDAY
+
+/* Define to 1 if you have the `inet_ntop' function. */
+#undef HAVE_INET_NTOP
+
+/* Define to 1 if you have the `inet_pton' function. */
+#undef HAVE_INET_PTON
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the `pthread' library (-lpthread). */
+#undef HAVE_LIBPTHREAD
+
+/* Define to 1 if you have the <malloc.h> header file. */
+#undef HAVE_MALLOC_H
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the `mempcpy' function. */
+#undef HAVE_MEMPCPY
+
+/* Define to 1 if you have the `mkfifo' function. */
+#undef HAVE_MKFIFO
+
+/* Define to 1 if you have the `nanosleep' function. */
+#undef HAVE_NANOSLEEP
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#undef HAVE_NETINET_IN_H
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#undef HAVE_NET_IF_H
+
+/* Define to 1 if you have the `poll' function. */
+#undef HAVE_POLL
+
+/* Define to 1 if you have the `select' function. */
+#undef HAVE_SELECT
+
+/* Define to 1 if you have the `snprintf' function. */
+#undef HAVE_SNPRINTF
+
+/* Define to 1 if you have the `socket' function. */
+#undef HAVE_SOCKET
+
+/* Define to 1 if the system has the type `socklen_t'. */
+#undef HAVE_SOCKLEN_T
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the `stpcpy' function. */
+#undef HAVE_STPCPY
+
+/* Define to 1 if you have the `stpncpy' function. */
+#undef HAVE_STPNCPY
+
+/* Define to 1 if you have the `strdup' function. */
+#undef HAVE_STRDUP
+
+/* Define to 1 if you have the `strerror' function. */
+#undef HAVE_STRERROR
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the `strlcpy' function. */
+#undef HAVE_STRLCPY
+
+/* Define to 1 if you have the `strndup' function. */
+#undef HAVE_STRNDUP
+
+/* Define to 1 if the system has the type `struct ifreq'. */
+#undef HAVE_STRUCT_IFREQ
+
+/* Define to 1 if the system has the type `struct in6_addr'. */
+#undef HAVE_STRUCT_IN6_ADDR
+
+/* Define to 1 if the system has the type `struct in_pktinfo'. */
+#undef HAVE_STRUCT_IN_PKTINFO
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#undef HAVE_SYSLOG_H
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#undef HAVE_SYS_IOCTL_H
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#undef HAVE_SYS_POLL_H
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
+#undef HAVE_SYS_WAIT_H
+
+/* Define to 1 if you have the `uname' function. */
+#undef HAVE_UNAME
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if you have the `vasprintf' function. */
+#undef HAVE_VASPRINTF
+
+/* Define to 1 if you have the `vprintf' function. */
+#undef HAVE_VPRINTF
+
+/* Define to 1 if you have the `vsnprintf' function. */
+#undef HAVE_VSNPRINTF
+
+/* Define to 1 if your C compiler doesn't accept -c and -o together. */
+#undef NO_MINUS_C_MINUS_O
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#undef RETSIGTYPE
+
+/* If using the C implementation of alloca, define if you know the
+   direction of stack growth for your system; otherwise it will be
+   automatically deduced at runtime.
+	STACK_DIRECTION > 0 => grows toward higher addresses
+	STACK_DIRECTION < 0 => grows toward lower addresses
+	STACK_DIRECTION = 0 => direction of growth unknown */
+#undef STACK_DIRECTION
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#undef TIME_WITH_SYS_TIME
+
+/* Define to 1 if your <sys/time.h> declares `struct tm'. */
+#undef TM_IN_SYS_TIME
+
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# undef _ALL_SOURCE
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# undef _GNU_SOURCE
+#endif
+/* Enable threading extensions on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# undef __EXTENSIONS__
+#endif
+
+
+/* Define to 1 if on MINIX. */
+#undef _MINIX
+
+/* Define to 2 if the system does not provide POSIX.1 features except with
+   this defined. */
+#undef _POSIX_1_SOURCE
+
+/* Define to 1 if you need to in order for `stat' and other things to work. */
+#undef _POSIX_SOURCE
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* Define to `int' if <sys/types.h> does not define. */
+#undef pid_t
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+#undef size_t
diff --git a/orbotservice/src/main/jni/pdnsd/configure b/orbotservice/src/main/jni/pdnsd/configure
new file mode 100644
index 0000000..a3b7822
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/configure
@@ -0,0 +1,11389 @@
+#! /bin/sh
+# Guess values for system-dependent variables and create Makefiles.
+# Generated by GNU Autoconf 2.63.
+#
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+# This configure script is free software; the Free Software Foundation
+# gives unlimited permission to copy, distribute and modify it.
+## --------------------- ##
+## M4sh Initialization.  ##
+## --------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+
+
+# PATH needs CR
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+case $0 in
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  { (exit 1); exit 1; }
+fi
+
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# Required to use basename.
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+
+# Name of the executable.
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# CDPATH.
+$as_unset CDPATH
+
+
+if test "x$CONFIG_SHELL" = x; then
+  if (eval ":") 2>/dev/null; then
+  as_have_required=yes
+else
+  as_have_required=no
+fi
+
+  if test $as_have_required = yes &&	 (eval ":
+(as_func_return () {
+  (exit \$1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0) || { (exit 1); exit 1; }
+
+(
+  as_lineno_1=\$LINENO
+  as_lineno_2=\$LINENO
+  test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
+  test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
+") 2> /dev/null; then
+  :
+else
+  as_candidate_shells=
+    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  case $as_dir in
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     as_candidate_shells="$as_candidate_shells $as_dir/$as_base"
+	   done;;
+       esac
+done
+IFS=$as_save_IFS
+
+
+      for as_shell in $as_candidate_shells $SHELL; do
+	 # Try only shells that exist, to save several forks.
+	 if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		{ ("$as_shell") 2> /dev/null <<\_ASEOF
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+:
+_ASEOF
+}; then
+  CONFIG_SHELL=$as_shell
+	       as_have_required=yes
+	       if { "$as_shell" 2> /dev/null <<\_ASEOF
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+:
+(as_func_return () {
+  (exit $1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = "$1" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test $exitcode = 0) || { (exit 1); exit 1; }
+
+(
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2") || { (exit 1); exit 1; }
+
+_ASEOF
+}; then
+  break
+fi
+
+fi
+
+      done
+
+      if test "x$CONFIG_SHELL" != x; then
+  for as_var in BASH_ENV ENV
+	do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+	done
+	export CONFIG_SHELL
+	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+fi
+
+
+    if test $as_have_required = no; then
+  echo This script requires a shell more modern than all the
+      echo shells that I found on your system.  Please install a
+      echo modern shell, or manually run the script under such a
+      echo shell if you do have one.
+      { (exit 1); exit 1; }
+fi
+
+
+fi
+
+fi
+
+
+
+(eval "as_func_return () {
+  (exit \$1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0") || {
+  echo No shell found that supports shell functions.
+  echo Please tell bug-autoconf@xxxxxxx about your system,
+  echo including any error possibly output before this message.
+  echo This can help us improve future autoconf versions.
+  echo Configuration will now proceed without shell functions.
+}
+
+
+
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+
+  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+  # uniformly replaced by the line number.  The first 'sed' inserts a
+  # line-number line after each line using $LINENO; the second 'sed'
+  # does the real work.  The second script uses 'N' to pair each
+  # line-number line with the line containing $LINENO, and appends
+  # trailing '-' during substitution so that $LINENO is not a special
+  # case at line end.
+  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+  # scripts with optimization help from Paolo Bonzini.  Blame Lee
+  # E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+   { (exit 1); exit 1; }; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in
+-n*)
+  case `echo 'x\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  *)   ECHO_C='\c';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -p'
+  fi
+else
+  as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p=:
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+
+exec 7<&0 </dev/null 6>&1
+
+# Name of the host.
+# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+#
+# Initializations.
+#
+ac_default_prefix=/usr/local
+ac_clean_files=
+ac_config_libobj_dir=.
+LIBOBJS=
+cross_compiling=no
+subdirs=
+MFLAGS=
+MAKEFLAGS=
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+# Identity of this package.
+PACKAGE_NAME=
+PACKAGE_TARNAME=
+PACKAGE_VERSION=
+PACKAGE_STRING=
+PACKAGE_BUGREPORT=
+
+ac_unique_file="src"
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+#  include <memory.h>
+# endif
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif"
+
+ac_subst_vars='am__EXEEXT_FALSE
+am__EXEEXT_TRUE
+LTLIBOBJS
+LIBOBJS
+ALLOCA
+thread_CFLAGS
+RANLIB
+threadlib
+specbuild
+def_id
+cachedir
+distribution
+packagerelease
+fullversion
+EGREP
+GREP
+CPP
+am__fastdepCC_FALSE
+am__fastdepCC_TRUE
+CCDEPMODE
+AMDEPBACKSLASH
+AMDEP_FALSE
+AMDEP_TRUE
+am__quote
+am__include
+DEPDIR
+OBJEXT
+EXEEXT
+ac_ct_CC
+CPPFLAGS
+LDFLAGS
+CFLAGS
+CC
+am__untar
+am__tar
+AMTAR
+am__leading_dot
+SET_MAKE
+AWK
+mkdir_p
+MKDIR_P
+INSTALL_STRIP_PROGRAM
+STRIP
+install_sh
+MAKEINFO
+AUTOHEADER
+AUTOMAKE
+AUTOCONF
+ACLOCAL
+VERSION
+PACKAGE
+CYGPATH_W
+am__isrc
+INSTALL_DATA
+INSTALL_SCRIPT
+INSTALL_PROGRAM
+target_alias
+host_alias
+build_alias
+LIBS
+ECHO_T
+ECHO_N
+ECHO_C
+DEFS
+mandir
+localedir
+libdir
+psdir
+pdfdir
+dvidir
+htmldir
+infodir
+docdir
+oldincludedir
+includedir
+localstatedir
+sharedstatedir
+sysconfdir
+datadir
+datarootdir
+libexecdir
+sbindir
+bindir
+program_transform_name
+prefix
+exec_prefix
+PACKAGE_BUGREPORT
+PACKAGE_STRING
+PACKAGE_VERSION
+PACKAGE_TARNAME
+PACKAGE_NAME
+PATH_SEPARATOR
+SHELL'
+ac_subst_files=''
+ac_user_opts='
+enable_option_checking
+enable_dependency_tracking
+with_distribution
+with_target
+with_cachedir
+enable_isdn
+enable_ipv4
+enable_ipv6
+enable_ipv4_startup
+enable_ipv6_startup
+enable_udp_queries
+enable_tcp_queries
+with_query_method
+enable_tcp_server
+enable_src_addr_disc
+enable_socket_locking
+enable_poll
+enable_new_rrs
+enable_strict_rfc2181
+with_random_device
+enable_underscores
+with_default_id
+with_debug
+with_verbosity
+with_hash_buckets
+enable_hash_debug
+enable_rcsids
+with_tcp_qtimeout
+enable_tcp_subseq
+with_par_queries
+with_max_nameserver_ips
+enable_specbuild
+with_thread_lib
+'
+      ac_precious_vars='build_alias
+host_alias
+target_alias
+CC
+CFLAGS
+LDFLAGS
+LIBS
+CPPFLAGS
+CPP'
+
+
+# Initialize some variables set by options.
+ac_init_help=
+ac_init_version=false
+ac_unrecognized_opts=
+ac_unrecognized_sep=
+# The variables have the same names as the options, with
+# dashes changed to underlines.
+cache_file=/dev/null
+exec_prefix=NONE
+no_create=
+no_recursion=
+prefix=NONE
+program_prefix=NONE
+program_suffix=NONE
+program_transform_name=s,x,x,
+silent=
+site=
+srcdir=
+verbose=
+x_includes=NONE
+x_libraries=NONE
+
+# Installation directory options.
+# These are left unexpanded so users can "make install exec_prefix=/foo"
+# and all the variables that are supposed to be based on exec_prefix
+# by default will actually change.
+# Use braces instead of parens because sh, perl, etc. also accept them.
+# (The list follows the same order as the GNU Coding Standards.)
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
+datarootdir='${prefix}/share'
+datadir='${datarootdir}'
+sysconfdir='${prefix}/etc'
+sharedstatedir='${prefix}/com'
+localstatedir='${prefix}/var'
+includedir='${prefix}/include'
+oldincludedir='/usr/include'
+docdir='${datarootdir}/doc/${PACKAGE}'
+infodir='${datarootdir}/info'
+htmldir='${docdir}'
+dvidir='${docdir}'
+pdfdir='${docdir}'
+psdir='${docdir}'
+libdir='${exec_prefix}/lib'
+localedir='${datarootdir}/locale'
+mandir='${datarootdir}/man'
+
+ac_prev=
+ac_dashdash=
+for ac_option
+do
+  # If the previous option needs an argument, assign it.
+  if test -n "$ac_prev"; then
+    eval $ac_prev=\$ac_option
+    ac_prev=
+    continue
+  fi
+
+  case $ac_option in
+  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *)	ac_optarg=yes ;;
+  esac
+
+  # Accept the important Cygnus configure options, so we can diagnose typos.
+
+  case $ac_dashdash$ac_option in
+  --)
+    ac_dashdash=yes ;;
+
+  -bindir | --bindir | --bindi | --bind | --bin | --bi)
+    ac_prev=bindir ;;
+  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+    bindir=$ac_optarg ;;
+
+  -build | --build | --buil | --bui | --bu)
+    ac_prev=build_alias ;;
+  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
+    build_alias=$ac_optarg ;;
+
+  -cache-file | --cache-file | --cache-fil | --cache-fi \
+  | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+    ac_prev=cache_file ;;
+  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+    cache_file=$ac_optarg ;;
+
+  --config-cache | -C)
+    cache_file=config.cache ;;
+
+  -datadir | --datadir | --datadi | --datad)
+    ac_prev=datadir ;;
+  -datadir=* | --datadir=* | --datadi=* | --datad=*)
+    datadir=$ac_optarg ;;
+
+  -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \
+  | --dataroo | --dataro | --datar)
+    ac_prev=datarootdir ;;
+  -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \
+  | --dataroot=* | --dataroo=* | --dataro=* | --datar=*)
+    datarootdir=$ac_optarg ;;
+
+  -disable-* | --disable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
+   { (exit 1); exit 1; }; }
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=no ;;
+
+  -docdir | --docdir | --docdi | --doc | --do)
+    ac_prev=docdir ;;
+  -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*)
+    docdir=$ac_optarg ;;
+
+  -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv)
+    ac_prev=dvidir ;;
+  -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*)
+    dvidir=$ac_optarg ;;
+
+  -enable-* | --enable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
+   { (exit 1); exit 1; }; }
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=\$ac_optarg ;;
+
+  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
+  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
+  | --exec | --exe | --ex)
+    ac_prev=exec_prefix ;;
+  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+  | --exec=* | --exe=* | --ex=*)
+    exec_prefix=$ac_optarg ;;
+
+  -gas | --gas | --ga | --g)
+    # Obsolete; use --with-gas.
+    with_gas=yes ;;
+
+  -help | --help | --hel | --he | -h)
+    ac_init_help=long ;;
+  -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
+    ac_init_help=recursive ;;
+  -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
+    ac_init_help=short ;;
+
+  -host | --host | --hos | --ho)
+    ac_prev=host_alias ;;
+  -host=* | --host=* | --hos=* | --ho=*)
+    host_alias=$ac_optarg ;;
+
+  -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
+    ac_prev=htmldir ;;
+  -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
+  | --ht=*)
+    htmldir=$ac_optarg ;;
+
+  -includedir | --includedir | --includedi | --included | --include \
+  | --includ | --inclu | --incl | --inc)
+    ac_prev=includedir ;;
+  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+  | --includ=* | --inclu=* | --incl=* | --inc=*)
+    includedir=$ac_optarg ;;
+
+  -infodir | --infodir | --infodi | --infod | --info | --inf)
+    ac_prev=infodir ;;
+  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+    infodir=$ac_optarg ;;
+
+  -libdir | --libdir | --libdi | --libd)
+    ac_prev=libdir ;;
+  -libdir=* | --libdir=* | --libdi=* | --libd=*)
+    libdir=$ac_optarg ;;
+
+  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+  | --libexe | --libex | --libe)
+    ac_prev=libexecdir ;;
+  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+  | --libexe=* | --libex=* | --libe=*)
+    libexecdir=$ac_optarg ;;
+
+  -localedir | --localedir | --localedi | --localed | --locale)
+    ac_prev=localedir ;;
+  -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
+    localedir=$ac_optarg ;;
+
+  -localstatedir | --localstatedir | --localstatedi | --localstated \
+  | --localstate | --localstat | --localsta | --localst | --locals)
+    ac_prev=localstatedir ;;
+  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
+    localstatedir=$ac_optarg ;;
+
+  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+    ac_prev=mandir ;;
+  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+    mandir=$ac_optarg ;;
+
+  -nfp | --nfp | --nf)
+    # Obsolete; use --without-fp.
+    with_fp=no ;;
+
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c | -n)
+    no_create=yes ;;
+
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    no_recursion=yes ;;
+
+  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+  | --oldin | --oldi | --old | --ol | --o)
+    ac_prev=oldincludedir ;;
+  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+    oldincludedir=$ac_optarg ;;
+
+  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+    ac_prev=prefix ;;
+  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+    prefix=$ac_optarg ;;
+
+  -program-prefix | --program-prefix | --program-prefi | --program-pref \
+  | --program-pre | --program-pr | --program-p)
+    ac_prev=program_prefix ;;
+  -program-prefix=* | --program-prefix=* | --program-prefi=* \
+  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+    program_prefix=$ac_optarg ;;
+
+  -program-suffix | --program-suffix | --program-suffi | --program-suff \
+  | --program-suf | --program-su | --program-s)
+    ac_prev=program_suffix ;;
+  -program-suffix=* | --program-suffix=* | --program-suffi=* \
+  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+    program_suffix=$ac_optarg ;;
+
+  -program-transform-name | --program-transform-name \
+  | --program-transform-nam | --program-transform-na \
+  | --program-transform-n | --program-transform- \
+  | --program-transform | --program-transfor \
+  | --program-transfo | --program-transf \
+  | --program-trans | --program-tran \
+  | --progr-tra | --program-tr | --program-t)
+    ac_prev=program_transform_name ;;
+  -program-transform-name=* | --program-transform-name=* \
+  | --program-transform-nam=* | --program-transform-na=* \
+  | --program-transform-n=* | --program-transform-=* \
+  | --program-transform=* | --program-transfor=* \
+  | --program-transfo=* | --program-transf=* \
+  | --program-trans=* | --program-tran=* \
+  | --progr-tra=* | --program-tr=* | --program-t=*)
+    program_transform_name=$ac_optarg ;;
+
+  -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
+    ac_prev=pdfdir ;;
+  -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
+    pdfdir=$ac_optarg ;;
+
+  -psdir | --psdir | --psdi | --psd | --ps)
+    ac_prev=psdir ;;
+  -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
+    psdir=$ac_optarg ;;
+
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil)
+    silent=yes ;;
+
+  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+    ac_prev=sbindir ;;
+  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+  | --sbi=* | --sb=*)
+    sbindir=$ac_optarg ;;
+
+  -sharedstatedir | --sharedstatedir | --sharedstatedi \
+  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+  | --sharedst | --shareds | --shared | --share | --shar \
+  | --sha | --sh)
+    ac_prev=sharedstatedir ;;
+  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+  | --sha=* | --sh=*)
+    sharedstatedir=$ac_optarg ;;
+
+  -site | --site | --sit)
+    ac_prev=site ;;
+  -site=* | --site=* | --sit=*)
+    site=$ac_optarg ;;
+
+  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+    ac_prev=srcdir ;;
+  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+    srcdir=$ac_optarg ;;
+
+  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+  | --syscon | --sysco | --sysc | --sys | --sy)
+    ac_prev=sysconfdir ;;
+  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+    sysconfdir=$ac_optarg ;;
+
+  -target | --target | --targe | --targ | --tar | --ta | --t)
+    ac_prev=target_alias ;;
+  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+    target_alias=$ac_optarg ;;
+
+  -v | -verbose | --verbose | --verbos | --verbo | --verb)
+    verbose=yes ;;
+
+  -version | --version | --versio | --versi | --vers | -V)
+    ac_init_version=: ;;
+
+  -with-* | --with-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
+   { (exit 1); exit 1; }; }
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=\$ac_optarg ;;
+
+  -without-* | --without-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
+   { (exit 1); exit 1; }; }
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=no ;;
+
+  --x)
+    # Obsolete; use --with-x.
+    with_x=yes ;;
+
+  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+  | --x-incl | --x-inc | --x-in | --x-i)
+    ac_prev=x_includes ;;
+  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+    x_includes=$ac_optarg ;;
+
+  -x-libraries | --x-libraries | --x-librarie | --x-librari \
+  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+    ac_prev=x_libraries ;;
+  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+    x_libraries=$ac_optarg ;;
+
+  -*) { $as_echo "$as_me: error: unrecognized option: $ac_option
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; }
+    ;;
+
+  *=*)
+    ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
+      { $as_echo "$as_me: error: invalid variable name: $ac_envvar" >&2
+   { (exit 1); exit 1; }; }
+    eval $ac_envvar=\$ac_optarg
+    export $ac_envvar ;;
+
+  *)
+    # FIXME: should be removed in autoconf 3.0.
+    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    ;;
+
+  esac
+done
+
+if test -n "$ac_prev"; then
+  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+  { $as_echo "$as_me: error: missing argument to $ac_option" >&2
+   { (exit 1); exit 1; }; }
+fi
+
+if test -n "$ac_unrecognized_opts"; then
+  case $enable_option_checking in
+    no) ;;
+    fatal) { $as_echo "$as_me: error: unrecognized options: $ac_unrecognized_opts" >&2
+   { (exit 1); exit 1; }; } ;;
+    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+  esac
+fi
+
+# Check all directory arguments for consistency.
+for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
+		datadir sysconfdir sharedstatedir localstatedir includedir \
+		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
+		libdir localedir mandir
+do
+  eval ac_val=\$$ac_var
+  # Remove trailing slashes.
+  case $ac_val in
+    */ )
+      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
+      eval $ac_var=\$ac_val;;
+  esac
+  # Be sure to have absolute directory names.
+  case $ac_val in
+    [\\/$]* | ?:[\\/]* )  continue;;
+    NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
+  esac
+  { $as_echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
+   { (exit 1); exit 1; }; }
+done
+
+# There might be people who depend on the old broken behavior: `$host'
+# used to hold the argument of --host etc.
+# FIXME: To remove some day.
+build=$build_alias
+host=$host_alias
+target=$target_alias
+
+# FIXME: To remove some day.
+if test "x$host_alias" != x; then
+  if test "x$build_alias" = x; then
+    cross_compiling=maybe
+    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    If a cross compiler is detected then cross compile mode will be used." >&2
+  elif test "x$build_alias" != "x$host_alias"; then
+    cross_compiling=yes
+  fi
+fi
+
+ac_tool_prefix=
+test -n "$host_alias" && ac_tool_prefix=$host_alias-
+
+test "$silent" = yes && exec 6>/dev/null
+
+
+ac_pwd=`pwd` && test -n "$ac_pwd" &&
+ac_ls_di=`ls -di .` &&
+ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
+  { $as_echo "$as_me: error: working directory cannot be determined" >&2
+   { (exit 1); exit 1; }; }
+test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
+  { $as_echo "$as_me: error: pwd does not report name of working directory" >&2
+   { (exit 1); exit 1; }; }
+
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+  ac_srcdir_defaulted=yes
+  # Try the directory containing this script, then the parent directory.
+  ac_confdir=`$as_dirname -- "$as_myself" ||
+$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_myself" : 'X\(//\)[^/]' \| \
+	 X"$as_myself" : 'X\(//\)$' \| \
+	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_myself" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  srcdir=$ac_confdir
+  if test ! -r "$srcdir/$ac_unique_file"; then
+    srcdir=..
+  fi
+else
+  ac_srcdir_defaulted=no
+fi
+if test ! -r "$srcdir/$ac_unique_file"; then
+  test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
+  { $as_echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
+   { (exit 1); exit 1; }; }
+fi
+ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
+ac_abs_confdir=`(
+	cd "$srcdir" && test -r "./$ac_unique_file" || { $as_echo "$as_me: error: $ac_msg" >&2
+   { (exit 1); exit 1; }; }
+	pwd)`
+# When building in place, set srcdir=.
+if test "$ac_abs_confdir" = "$ac_pwd"; then
+  srcdir=.
+fi
+# Remove unnecessary trailing slashes from srcdir.
+# Double slashes in file names in object file debugging info
+# mess up M-x gdb in Emacs.
+case $srcdir in
+*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;;
+esac
+for ac_var in $ac_precious_vars; do
+  eval ac_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_env_${ac_var}_value=\$${ac_var}
+  eval ac_cv_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_cv_env_${ac_var}_value=\$${ac_var}
+done
+
+#
+# Report the --help message.
+#
+if test "$ac_init_help" = "long"; then
+  # Omit some internal or obsolete options to make the list less imposing.
+  # This message is too long to be a string in the A/UX 3.1 sh.
+  cat <<_ACEOF
+\`configure' configures this package to adapt to many kinds of systems.
+
+Usage: $0 [OPTION]... [VAR=VALUE]...
+
+To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE.  See below for descriptions of some of the useful variables.
+
+Defaults for the options are specified in brackets.
+
+Configuration:
+  -h, --help              display this help and exit
+      --help=short        display options specific to this package
+      --help=recursive    display the short help of all the included packages
+  -V, --version           display version information and exit
+  -q, --quiet, --silent   do not print \`checking...' messages
+      --cache-file=FILE   cache test results in FILE [disabled]
+  -C, --config-cache      alias for \`--cache-file=config.cache'
+  -n, --no-create         do not create output files
+      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
+
+Installation directories:
+  --prefix=PREFIX         install architecture-independent files in PREFIX
+                          [$ac_default_prefix]
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
+                          [PREFIX]
+
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+  --bindir=DIR            user executables [EPREFIX/bin]
+  --sbindir=DIR           system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR        program executables [EPREFIX/libexec]
+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --libdir=DIR            object code libraries [EPREFIX/lib]
+  --includedir=DIR        C header files [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR           info documentation [DATAROOTDIR/info]
+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR            man documentation [DATAROOTDIR/man]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/PACKAGE]
+  --htmldir=DIR           html documentation [DOCDIR]
+  --dvidir=DIR            dvi documentation [DOCDIR]
+  --pdfdir=DIR            pdf documentation [DOCDIR]
+  --psdir=DIR             ps documentation [DOCDIR]
+_ACEOF
+
+  cat <<\_ACEOF
+
+Program names:
+  --program-prefix=PREFIX            prepend PREFIX to installed program names
+  --program-suffix=SUFFIX            append SUFFIX to installed program names
+  --program-transform-name=PROGRAM   run sed PROGRAM on installed program names
+_ACEOF
+fi
+
+if test -n "$ac_init_help"; then
+
+  cat <<\_ACEOF
+
+Optional Features:
+  --disable-option-checking  ignore unrecognized --enable/--with options
+  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
+  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --disable-dependency-tracking  speeds up one-time build
+  --enable-dependency-tracking   do not reject slow dependency extractors
+  --enable-isdn               Enable ISDN support (may cause problems on
+                              some systems; only for Linux)
+  --disable-ipv4              Disable IPv4 networking support
+                              (default=enabled)
+  --enable-ipv6               Enable IPv6 networking support
+  --disable-ipv4-startup      Disable IPv4 on pdnsd startup by default
+                              (default=enabled)
+  --enable-ipv6-startup       Enable IPV6 on pdnsd startup by default
+                              (default=IPv4)
+  --disable-udp-queries       Disable udp as query method.
+  --disable-tcp-queries       Disable tcp as query method.
+  --disable-tcp-server        Disable the TCP serving ability of pdnsd
+  --disable-src-addr-disc     Disable the UDP source address discovery
+  --enable-socket-locking     Enable the UDP socket locking
+  --disable-poll              Disable poll(2) and use select(2)
+                              (default=enabled)
+  --disable-new-rrs           Disable new DNS RR types (obsolete, currently ignored)
+  --enable-strict-rfc2181     Enforce strict RFC 2181 compliance
+  --enable-underscores        Allow _ in domain names (obsolete, currently ignored)
+  --enable-hash-debug         Debug hash tables (warning: massive output)
+  --enable-rcsids             Enable RCS IDs in executables (obsolete, currently ignored)
+  --enable-tcp-subseq         Enable multiple dns querys using one
+                              tcp connection
+  --enable-specbuild          Only used when building pdnsd from spec files
+
+Optional Packages:
+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --with-distribution=distro  Specify target distribution (default=Generic;
+                              others: RedHat, SuSE, Debian, ArchLinux)
+  --with-target=platform      Change compilation target platform (default:
+                              autodetect; others: Linux, BSD, Cygwin)
+  --with-cachedir=dir         Default directory for pdnsd cache
+                              (default=/var/cache/pdnsd)
+  --with-query-method=qm      Specify the query method (default=udponly;
+                              others: tcponly, tcpudp, udptcp)
+  --with-random-device=device Specify random device other than
+                              /dev/random; default: C Library random() PRNG;
+                              special value arc4random for BSD C Library
+                              arc4random function (default on FreeBSD)
+  --with-default-id=id        Specify default uid/gid for pdnsd
+                              (default=nobody)
+  --with-debug=level          Specify debugging level (0 means no debug support)
+  --with-verbosity=level      Specify default message verbosity
+  --with-hash-buckets=num     Number of hash buckets to use (default=1024).
+                              The number actually used is the smallest power of two
+                              greater or equal to the number specified here.
+  --with-tcp-qtimeout=secs    Specify default tcp query timeout (default=30)
+  --with-par-queries=num      Specify default parallel query number (default=2)
+  --with-max-nameserver-ips=num      Specify maximum number of IP addresses used per nameserver obtained from NS records (default=3)
+  --with-thread-lib=lib       Specify thread library, overriding automatic detection (for Linux only).
+                              Possible values: LinuxThreads,
+                              LinuxThreads2 (implements a fix for newer glibcs)
+                              or NPTL (Native POSIX Thread Library)
+
+Some influential environment variables:
+  CC          C compiler command
+  CFLAGS      C compiler flags
+  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
+              nonstandard directory <lib dir>
+  LIBS        libraries to pass to the linker, e.g. -l<library>
+  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
+              you have headers in a nonstandard directory <include dir>
+  CPP         C preprocessor
+
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.
+
+_ACEOF
+ac_status=$?
+fi
+
+if test "$ac_init_help" = "recursive"; then
+  # If there are subdirs, report their specific --help.
+  for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+    test -d "$ac_dir" ||
+      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
+      continue
+    ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+    cd "$ac_dir" || { ac_status=$?; continue; }
+    # Check for guested configure.
+    if test -f "$ac_srcdir/configure.gnu"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure.gnu" --help=recursive
+    elif test -f "$ac_srcdir/configure"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure" --help=recursive
+    else
+      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+    fi || ac_status=$?
+    cd "$ac_pwd" || { ac_status=$?; break; }
+  done
+fi
+
+test -n "$ac_init_help" && exit $ac_status
+if $ac_init_version; then
+  cat <<\_ACEOF
+configure
+generated by GNU Autoconf 2.63
+
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.
+_ACEOF
+  exit
+fi
+cat >config.log <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by $as_me, which was
+generated by GNU Autoconf 2.63.  Invocation command line was
+
+  $ $0 $@
+
+_ACEOF
+exec 5>>config.log
+{
+cat <<_ASUNAME
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
+
+/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
+/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
+/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
+
+_ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  $as_echo "PATH: $as_dir"
+done
+IFS=$as_save_IFS
+
+} >&5
+
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
+
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Strip out --silent because we don't want to record it for future runs.
+# Also quote any args containing shell meta-characters.
+# Make two passes to allow for proper duplicate-argument suppression.
+ac_configure_args=
+ac_configure_args0=
+ac_configure_args1=
+ac_must_keep_next=false
+for ac_pass in 1 2
+do
+  for ac_arg
+  do
+    case $ac_arg in
+    -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
+    -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+    | -silent | --silent | --silen | --sile | --sil)
+      continue ;;
+    *\'*)
+      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    case $ac_pass in
+    1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
+    2)
+      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
+      if test $ac_must_keep_next = true; then
+	ac_must_keep_next=false # Got value, back to normal.
+      else
+	case $ac_arg in
+	  *=* | --config-cache | -C | -disable-* | --disable-* \
+	  | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
+	  | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
+	  | -with-* | --with-* | -without-* | --without-* | --x)
+	    case "$ac_configure_args0 " in
+	      "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
+	    esac
+	    ;;
+	  -* ) ac_must_keep_next=true ;;
+	esac
+      fi
+      ac_configure_args="$ac_configure_args '$ac_arg'"
+      ;;
+    esac
+  done
+done
+$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
+$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log.  We remove comments because anyway the quotes in there
+# would cause problems or look ugly.
+# WARNING: Use '\'' to represent an apostrophe within the trap.
+# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
+trap 'exit_status=$?
+  # Save into config.log some information that might help in debugging.
+  {
+    echo
+
+    cat <<\_ASBOX
+## ---------------- ##
+## Cache variables. ##
+## ---------------- ##
+_ASBOX
+    echo
+    # The following way of writing the cache mishandles newlines in values,
+(
+  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) $as_unset $ac_var ;;
+      esac ;;
+    esac
+  done
+  (set) 2>&1 |
+    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      sed -n \
+	"s/'\''/'\''\\\\'\'''\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
+      ;; #(
+    *)
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+)
+    echo
+
+    cat <<\_ASBOX
+## ----------------- ##
+## Output variables. ##
+## ----------------- ##
+_ASBOX
+    echo
+    for ac_var in $ac_subst_vars
+    do
+      eval ac_val=\$$ac_var
+      case $ac_val in
+      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      esac
+      $as_echo "$ac_var='\''$ac_val'\''"
+    done | sort
+    echo
+
+    if test -n "$ac_subst_files"; then
+      cat <<\_ASBOX
+## ------------------- ##
+## File substitutions. ##
+## ------------------- ##
+_ASBOX
+      echo
+      for ac_var in $ac_subst_files
+      do
+	eval ac_val=\$$ac_var
+	case $ac_val in
+	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	esac
+	$as_echo "$ac_var='\''$ac_val'\''"
+      done | sort
+      echo
+    fi
+
+    if test -s confdefs.h; then
+      cat <<\_ASBOX
+## ----------- ##
+## confdefs.h. ##
+## ----------- ##
+_ASBOX
+      echo
+      cat confdefs.h
+      echo
+    fi
+    test "$ac_signal" != 0 &&
+      $as_echo "$as_me: caught signal $ac_signal"
+    $as_echo "$as_me: exit $exit_status"
+  } >&5
+  rm -f core *.core core.conftest.* &&
+    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
+    exit $exit_status
+' 0
+for ac_signal in 1 2 13 15; do
+  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
+done
+ac_signal=0
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -f -r conftest* confdefs.h
+
+# Predefined preprocessor variables.
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_NAME "$PACKAGE_NAME"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_VERSION "$PACKAGE_VERSION"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_STRING "$PACKAGE_STRING"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
+_ACEOF
+
+
+# Let the site file select an alternate cache file if it wants to.
+# Prefer an explicitly selected file to automatically selected ones.
+ac_site_file1=NONE
+ac_site_file2=NONE
+if test -n "$CONFIG_SITE"; then
+  ac_site_file1=$CONFIG_SITE
+elif test "x$prefix" != xNONE; then
+  ac_site_file1=$prefix/share/config.site
+  ac_site_file2=$prefix/etc/config.site
+else
+  ac_site_file1=$ac_default_prefix/share/config.site
+  ac_site_file2=$ac_default_prefix/etc/config.site
+fi
+for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+do
+  test "x$ac_site_file" = xNONE && continue
+  if test -r "$ac_site_file"; then
+    { $as_echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
+$as_echo "$as_me: loading site script $ac_site_file" >&6;}
+    sed 's/^/| /' "$ac_site_file" >&5
+    . "$ac_site_file"
+  fi
+done
+
+if test -r "$cache_file"; then
+  # Some versions of bash will fail to source /dev/null (special
+  # files actually), so we avoid doing that.
+  if test -f "$cache_file"; then
+    { $as_echo "$as_me:$LINENO: loading cache $cache_file" >&5
+$as_echo "$as_me: loading cache $cache_file" >&6;}
+    case $cache_file in
+      [\\/]* | ?:[\\/]* ) . "$cache_file";;
+      *)                      . "./$cache_file";;
+    esac
+  fi
+else
+  { $as_echo "$as_me:$LINENO: creating cache $cache_file" >&5
+$as_echo "$as_me: creating cache $cache_file" >&6;}
+  >$cache_file
+fi
+
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in $ac_precious_vars; do
+  eval ac_old_set=\$ac_cv_env_${ac_var}_set
+  eval ac_new_set=\$ac_env_${ac_var}_set
+  eval ac_old_val=\$ac_cv_env_${ac_var}_value
+  eval ac_new_val=\$ac_env_${ac_var}_value
+  case $ac_old_set,$ac_new_set in
+    set,)
+      { $as_echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,set)
+      { $as_echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,);;
+    *)
+      if test "x$ac_old_val" != "x$ac_new_val"; then
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { $as_echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
+$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { $as_echo "$as_me:$LINENO: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ $as_echo "$as_me:$LINENO:   former value:  \`$ac_old_val'" >&5
+$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ $as_echo "$as_me:$LINENO:   current value: \`$ac_new_val'" >&5
+$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+      fi;;
+  esac
+  # Pass precious variables to config.status.
+  if test "$ac_new_set" = set; then
+    case $ac_new_val in
+    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *) ac_arg=$ac_var=$ac_new_val ;;
+    esac
+    case " $ac_configure_args " in
+      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
+      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+    esac
+  fi
+done
+if $ac_cache_corrupted; then
+  { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+  { $as_echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
+$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+  { { $as_echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
+$as_echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+package="pdnsd"
+version=`cut -d - -f 1  "$srcdir"/version`
+fullversion=`cat "$srcdir"/version`
+packagerelease=`cut -d - -f 2- "$srcdir"/version`
+
+distribution="Generic"
+target="autodetect"
+cachedir="/var/cache/$package"
+ipv4_default=1
+have_ipv4="yes"
+#newrrs="yes"
+query_m="udponly"
+have_tcp_server="yes"
+adisc="default"
+slock="no";
+def_id="nobody"
+#have_rcsids="no"
+udp_queries="yes"
+tcp_queries="yes"
+tempdir="/tmp"
+randomdev=default
+freebsd_pthread="4"
+specbuild=no
+threadlib=default
+
+am__api_version='1.11'
+
+ac_aux_dir=
+for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
+  if test -f "$ac_dir/install-sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f "$ac_dir/install.sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  elif test -f "$ac_dir/shtool"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
+  fi
+done
+if test -z "$ac_aux_dir"; then
+  { { $as_echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&5
+$as_echo "$as_me: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+# These three variables are undocumented and unsupported,
+# and are intended to be withdrawn in a future Autoconf release.
+# They can cause serious problems if a builder's source tree is in a directory
+# whose full name contains unusual characters.
+ac_config_guess="$SHELL $ac_aux_dir/config.guess"  # Please don't use this var.
+ac_config_sub="$SHELL $ac_aux_dir/config.sub"  # Please don't use this var.
+ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
+
+
+# Find a good install program.  We prefer a C program (faster),
+# so one script is as good as another.  But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
+{ $as_echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
+$as_echo_n "checking for a BSD-compatible install... " >&6; }
+if test -z "$INSTALL"; then
+if test "${ac_cv_path_install+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in
+  ./ | .// | /cC/* | \
+  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+  ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
+  /usr/ucb/* ) ;;
+  *)
+    # OSF1 and SCO ODT 3.0 have their own names for install.
+    # Don't use installbsd from OSF since it installs stuff as root
+    # by default.
+    for ac_prog in ginstall scoinst install; do
+      for ac_exec_ext in '' $ac_executable_extensions; do
+	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
+	  if test $ac_prog = install &&
+	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # AIX install.  It has an incompatible calling convention.
+	    :
+	  elif test $ac_prog = install &&
+	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # program-specific install script used by HP pwplus--don't use.
+	    :
+	  else
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
+	  fi
+	fi
+      done
+    done
+    ;;
+esac
+
+done
+IFS=$as_save_IFS
+
+rm -rf conftest.one conftest.two conftest.dir
+
+fi
+  if test "${ac_cv_path_install+set}" = set; then
+    INSTALL=$ac_cv_path_install
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for INSTALL within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    INSTALL=$ac_install_sh
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5
+$as_echo "$INSTALL" >&6; }
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+{ $as_echo "$as_me:$LINENO: checking whether build environment is sane" >&5
+$as_echo_n "checking whether build environment is sane... " >&6; }
+# Just in case
+sleep 1
+echo timestamp > conftest.file
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[\\\"\#\$\&\'\`$am_lf]*)
+    { { $as_echo "$as_me:$LINENO: error: unsafe absolute working directory name" >&5
+$as_echo "$as_me: error: unsafe absolute working directory name" >&2;}
+   { (exit 1); exit 1; }; };;
+esac
+case $srcdir in
+  *[\\\"\#\$\&\'\`$am_lf\ \	]*)
+    { { $as_echo "$as_me:$LINENO: error: unsafe srcdir value: \`$srcdir'" >&5
+$as_echo "$as_me: error: unsafe srcdir value: \`$srcdir'" >&2;}
+   { (exit 1); exit 1; }; };;
+esac
+
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+   if test "$*" = "X"; then
+      # -L didn't work.
+      set X `ls -t "$srcdir/configure" conftest.file`
+   fi
+   rm -f conftest.file
+   if test "$*" != "X $srcdir/configure conftest.file" \
+      && test "$*" != "X conftest.file $srcdir/configure"; then
+
+      # If neither matched, then we have a broken ls.  This can happen
+      # if, for instance, CONFIG_SHELL is bash and it inherits a
+      # broken ls alias from the environment.  This has actually
+      # happened.  Such a system could not be considered "sane".
+      { { $as_echo "$as_me:$LINENO: error: ls -t appears to fail.  Make sure there is not a broken
+alias in your environment" >&5
+$as_echo "$as_me: error: ls -t appears to fail.  Make sure there is not a broken
+alias in your environment" >&2;}
+   { (exit 1); exit 1; }; }
+   fi
+
+   test "$2" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   { { $as_echo "$as_me:$LINENO: error: newly created file is older than distributed files!
+Check your system clock" >&5
+$as_echo "$as_me: error: newly created file is older than distributed files!
+Check your system clock" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+test "$program_prefix" != NONE &&
+  program_transform_name="s&^&$program_prefix&;$program_transform_name"
+# Use a double $ so make ignores it.
+test "$program_suffix" != NONE &&
+  program_transform_name="s&\$&$program_suffix&;$program_transform_name"
+# Double any \ or $.
+# By default was `s,x,x', remove it if useless.
+ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
+program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
+
+# expand $ac_aux_dir to an absolute path
+am_aux_dir=`cd $ac_aux_dir && pwd`
+
+if test x"${MISSING+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
+  *)
+    MISSING="\${SHELL} $am_aux_dir/missing" ;;
+  esac
+fi
+# Use eval to expand $SHELL
+if eval "$MISSING --run true"; then
+  am_missing_run="$MISSING --run "
+else
+  am_missing_run=
+  { $as_echo "$as_me:$LINENO: WARNING: \`missing' script is too old or missing" >&5
+$as_echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
+fi
+
+if test x"${install_sh}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+
+# Installed binaries are usually stripped using `strip' when the user
+# run `make install-strip'.  However `strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the `STRIP' environment variable to overrule this program.
+if test "$cross_compiling" != no; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_STRIP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$STRIP"; then
+  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+  { $as_echo "$as_me:$LINENO: result: $STRIP" >&5
+$as_echo "$STRIP" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+  ac_ct_STRIP=$STRIP
+  # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_STRIP"; then
+  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_STRIP="strip"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5
+$as_echo "$ac_ct_STRIP" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_STRIP" = x; then
+    STRIP=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    STRIP=$ac_ct_STRIP
+  fi
+else
+  STRIP="$ac_cv_prog_STRIP"
+fi
+
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+
+{ $as_echo "$as_me:$LINENO: checking for a thread-safe mkdir -p" >&5
+$as_echo_n "checking for a thread-safe mkdir -p... " >&6; }
+if test -z "$MKDIR_P"; then
+  if test "${ac_cv_path_mkdir+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in mkdir gmkdir; do
+	 for ac_exec_ext in '' $ac_executable_extensions; do
+	   { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; } || continue
+	   case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #(
+	     'mkdir (GNU coreutils) '* | \
+	     'mkdir (coreutils) '* | \
+	     'mkdir (fileutils) '4.1*)
+	       ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext
+	       break 3;;
+	   esac
+	 done
+       done
+done
+IFS=$as_save_IFS
+
+fi
+
+  if test "${ac_cv_path_mkdir+set}" = set; then
+    MKDIR_P="$ac_cv_path_mkdir -p"
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for MKDIR_P within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    test -d ./--version && rmdir ./--version
+    MKDIR_P="$ac_install_sh -d"
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $MKDIR_P" >&5
+$as_echo "$MKDIR_P" >&6; }
+
+mkdir_p="$MKDIR_P"
+case $mkdir_p in
+  [\\/$]* | ?:[\\/]*) ;;
+  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
+esac
+
+for ac_prog in gawk mawk nawk awk
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_AWK+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$AWK"; then
+  ac_cv_prog_AWK="$AWK" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_AWK="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+AWK=$ac_cv_prog_AWK
+if test -n "$AWK"; then
+  { $as_echo "$as_me:$LINENO: result: $AWK" >&5
+$as_echo "$AWK" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$AWK" && break
+done
+
+{ $as_echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.make <<\_ACEOF
+SHELL = /bin/sh
+all:
+	@echo '@@@%%%=$(MAKE)=@@@%%%'
+_ACEOF
+# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+case `${MAKE-make} -f conftest.make 2>/dev/null` in
+  *@@@%%%=?*=@@@%%%*)
+    eval ac_cv_prog_make_${ac_make}_set=yes;;
+  *)
+    eval ac_cv_prog_make_${ac_make}_set=no;;
+esac
+rm -f conftest.make
+fi
+if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
+  { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+  SET_MAKE=
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+  SET_MAKE="MAKE=${MAKE-make}"
+fi
+
+rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  am__isrc=' -I$(srcdir)'
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    { { $as_echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5
+$as_echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+  if (cygpath --version) >/dev/null 2>/dev/null; then
+    CYGPATH_W='cygpath -w'
+  else
+    CYGPATH_W=echo
+  fi
+fi
+
+
+# Define the identity of the package.
+ PACKAGE=$package
+ VERSION=$version
+
+
+# Some tools Automake needs.
+
+ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"}
+
+
+AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"}
+
+
+AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"}
+
+
+AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
+
+
+MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
+
+# We need awk for the "check" target.  The system "awk" is bad on
+# some platforms.
+# Always define AMTAR for backward compatibility.
+
+AMTAR=${AMTAR-"${am_missing_run}tar"}
+
+am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
+
+
+
+
+
+ac_config_headers="$ac_config_headers config.h"
+
+DEPDIR="${am__leading_dot}deps"
+
+ac_config_commands="$ac_config_commands depfiles"
+
+
+am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+	@echo this is the am__doit target
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+{ $as_echo "$as_me:$LINENO: checking for style of include used by $am_make" >&5
+$as_echo_n "checking for style of include used by $am_make... " >&6; }
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# Ignore all kinds of additional output from `make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+  am__include=include
+  am__quote=
+  _am_result=GNU
+  ;;
+esac
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+   echo '.include "confinc"' > confmf
+   case `$am_make -s -f confmf 2> /dev/null` in #(
+   *the\ am__doit\ target*)
+     am__include=.include
+     am__quote="\""
+     _am_result=BSD
+     ;;
+   esac
+fi
+
+
+{ $as_echo "$as_me:$LINENO: result: $_am_result" >&5
+$as_echo "$_am_result" >&6; }
+rm -f confinc confmf
+
+# Check whether --enable-dependency-tracking was given.
+if test "${enable_dependency_tracking+set}" = set; then
+  enableval=$enable_dependency_tracking;
+fi
+
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+fi
+ if test "x$enable_dependency_tracking" != xno; then
+  AMDEP_TRUE=
+  AMDEP_FALSE='#'
+else
+  AMDEP_TRUE='#'
+  AMDEP_FALSE=
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="${ac_tool_prefix}gcc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_CC="gcc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+          if test -n "$ac_tool_prefix"; then
+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="${ac_tool_prefix}cc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  fi
+fi
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+       ac_prog_rejected=yes
+       continue
+     fi
+    ac_cv_prog_CC="cc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# != 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+  fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  for ac_prog in cl.exe
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$CC" && break
+  done
+fi
+if test -z "$CC"; then
+  ac_ct_CC=$CC
+  for ac_prog in cl.exe
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_CC="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CC" && break
+done
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+fi
+
+fi
+
+
+test -z "$CC" && { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }; }
+
+# Provide some information about the compiler.
+$as_echo "$as_me:$LINENO: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
+# Try to create an executable without -o first, disregard a.out.
+# It will help us diagnose broken compilers, and finding out an intuition
+# of exeext.
+{ $as_echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+
+# The possible output files:
+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
+
+ac_rmfiles=
+for ac_file in $ac_files
+do
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    * ) ac_rmfiles="$ac_rmfiles $ac_file";;
+  esac
+done
+rm -f $ac_rmfiles
+
+if { (ac_try="$ac_link_default"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link_default") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+# in a Makefile.  We should not override ac_cv_exeext if it was cached,
+# so that the user can short-circuit this test for compilers unknown to
+# Autoconf.
+for ac_file in $ac_files ''
+do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
+	;;
+    [ab].out )
+	# We found the default executable, but exeext='' is most
+	# certainly right.
+	break;;
+    *.* )
+        if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	then :; else
+	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	fi
+	# We set ac_cv_exeext here because the later test for it is not
+	# safe: cross compilers may not add the suffix if given an `-o'
+	# argument, so we may need to know it at that point already.
+	# Even if this section looks crufty: it has the advantage of
+	# actually working.
+	break;;
+    * )
+	break;;
+  esac
+done
+test "$ac_cv_exeext" = no && ac_cv_exeext=
+
+else
+  ac_file=''
+fi
+
+{ $as_echo "$as_me:$LINENO: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
+if test -z "$ac_file"; then
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: C compiler cannot create executables
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: C compiler cannot create executables
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }; }
+fi
+
+ac_exeext=$ac_cv_exeext
+
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:$LINENO: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
+# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
+# If not cross compiling, check that we can run a simple program.
+if test "$cross_compiling" != yes; then
+  if { ac_try='./$ac_file'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }; }
+    fi
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
+ac_clean_files=$ac_clean_files_save
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+{ $as_echo "$as_me:$LINENO: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+{ $as_echo "$as_me:$LINENO: checking for suffix of executables" >&5
+$as_echo_n "checking for suffix of executables... " >&6; }
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
+for ac_file in conftest.exe conftest conftest.*; do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	  break;;
+    * ) break;;
+  esac
+done
+else
+  { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }; }
+fi
+
+rm -f conftest$ac_cv_exeext
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
+$as_echo "$ac_cv_exeext" >&6; }
+
+rm -f conftest.$ac_ext
+EXEEXT=$ac_cv_exeext
+ac_exeext=$EXEEXT
+{ $as_echo "$as_me:$LINENO: checking for suffix of object files" >&5
+$as_echo_n "checking for suffix of object files... " >&6; }
+if test "${ac_cv_objext+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.o conftest.obj
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  for ac_file in conftest.o conftest.obj conftest.*; do
+  test -f "$ac_file" || continue;
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
+    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
+       break;;
+  esac
+done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }; }
+fi
+
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
+$as_echo "$ac_cv_objext" >&6; }
+OBJEXT=$ac_cv_objext
+ac_objext=$OBJEXT
+{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_compiler_gnu=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+ac_test_CFLAGS=${CFLAGS+set}
+ac_save_CFLAGS=$CFLAGS
+{ $as_echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	CFLAGS=""
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
+if test "$ac_test_CFLAGS" = set; then
+  CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdarg.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not '\xHH' hex character constants.
+   These don't provoke an error unfortunately, instead are silently treated
+   as 'x'.  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
+   array size at least.  It's necessary to write '\x00'==0 to get something
+   that's true only with -std.  */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+  ;
+  return 0;
+}
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_c89=$ac_arg
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
+fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+  x)
+    { $as_echo "$as_me:$LINENO: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:$LINENO: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c89"
+    { $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+depcc="$CC"   am_compiler_list=
+
+{ $as_echo "$as_me:$LINENO: checking dependency style of $depcc" >&5
+$as_echo_n "checking dependency style of $depcc... " >&6; }
+if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named `D' -- because `-MD' means `put the output
+  # in D'.
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CC_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
+      # Solaris 8's {/usr,}/bin/sh.
+      touch sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle `-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # after this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvisualcpp | msvcmsys)
+      # This compiler won't grok `-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CC_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5
+$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+  am__fastdepCC_TRUE=
+  am__fastdepCC_FALSE='#'
+else
+  am__fastdepCC_TRUE='#'
+  am__fastdepCC_FALSE=
+fi
+
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ $as_echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+$as_echo_n "checking how to run the C preprocessor... " >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+  if test "${ac_cv_prog_CPP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+      # Double quotes because CPP needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+    do
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  # Broken: fails on valid input.
+continue
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  # Broken: success on invalid input.
+continue
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+  break
+fi
+
+    done
+    ac_cv_prog_CPP=$CPP
+
+fi
+  CPP=$ac_cv_prog_CPP
+else
+  ac_cv_prog_CPP=$CPP
+fi
+{ $as_echo "$as_me:$LINENO: result: $CPP" >&5
+$as_echo "$CPP" >&6; }
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  # Broken: fails on valid input.
+continue
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  # Broken: success on invalid input.
+continue
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+  :
+else
+  { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+{ $as_echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if test "${ac_cv_path_GREP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$GREP"; then
+  ac_path_GREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in grep ggrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    ac_count=`expr $ac_count + 1`
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_GREP_found && break 3
+    done
+  done
+done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_GREP"; then
+    { { $as_echo "$as_me:$LINENO: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+$as_echo "$as_me: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+else
+  ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ $as_echo "$as_me:$LINENO: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if test "${ac_cv_path_EGREP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     if test -z "$EGREP"; then
+  ac_path_EGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in egrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    ac_count=`expr $ac_count + 1`
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_EGREP_found && break 3
+    done
+  done
+done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_EGREP"; then
+    { { $as_echo "$as_me:$LINENO: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+$as_echo "$as_me: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+else
+  ac_cv_path_EGREP=$EGREP
+fi
+
+   fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+{ $as_echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_header_stdc=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_header_stdc=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "memchr" >/dev/null 2>&1; then
+  :
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "free" >/dev/null 2>&1; then
+  :
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then
+  :
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+		   (('a' <= (c) && (c) <= 'i') \
+		     || ('j' <= (c) && (c) <= 'r') \
+		     || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+	|| toupper (i) != TOUPPER (i))
+      return 2;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  :
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_header_stdc=no
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define STDC_HEADERS 1
+_ACEOF
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+
+
+
+
+
+
+
+
+
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+		  inttypes.h stdint.h unistd.h
+do
+as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
+$as_echo_n "checking for $ac_header... " >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  eval "$as_ac_Header=yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Header=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_Header'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+as_val=`eval 'as_val=${'$as_ac_Header'}
+		 $as_echo "$as_val"'`
+   if test "x$as_val" = x""yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+
+  if test "${ac_cv_header_minix_config_h+set}" = set; then
+  { $as_echo "$as_me:$LINENO: checking for minix/config.h" >&5
+$as_echo_n "checking for minix/config.h... " >&6; }
+if test "${ac_cv_header_minix_config_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_minix_config_h" >&5
+$as_echo "$ac_cv_header_minix_config_h" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:$LINENO: checking minix/config.h usability" >&5
+$as_echo_n "checking minix/config.h usability... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <minix/config.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:$LINENO: checking minix/config.h presence" >&5
+$as_echo_n "checking minix/config.h presence... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <minix/config.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { $as_echo "$as_me:$LINENO: WARNING: minix/config.h: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: minix/config.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: minix/config.h: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: minix/config.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:$LINENO: WARNING: minix/config.h: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: minix/config.h: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: minix/config.h:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: minix/config.h:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: minix/config.h: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: minix/config.h: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: minix/config.h:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: minix/config.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: minix/config.h: proceeding with the preprocessor's result" >&5
+$as_echo "$as_me: WARNING: minix/config.h: proceeding with the preprocessor's result" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: minix/config.h: in the future, the compiler will take precedence" >&5
+$as_echo "$as_me: WARNING: minix/config.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ $as_echo "$as_me:$LINENO: checking for minix/config.h" >&5
+$as_echo_n "checking for minix/config.h... " >&6; }
+if test "${ac_cv_header_minix_config_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_header_minix_config_h=$ac_header_preproc
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_minix_config_h" >&5
+$as_echo "$ac_cv_header_minix_config_h" >&6; }
+
+fi
+if test "x$ac_cv_header_minix_config_h" = x""yes; then
+  MINIX=yes
+else
+  MINIX=
+fi
+
+
+  if test "$MINIX" = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define _POSIX_SOURCE 1
+_ACEOF
+
+
+cat >>confdefs.h <<\_ACEOF
+#define _POSIX_1_SOURCE 2
+_ACEOF
+
+
+cat >>confdefs.h <<\_ACEOF
+#define _MINIX 1
+_ACEOF
+
+  fi
+
+
+
+  { $as_echo "$as_me:$LINENO: checking whether it is safe to define __EXTENSIONS__" >&5
+$as_echo_n "checking whether it is safe to define __EXTENSIONS__... " >&6; }
+if test "${ac_cv_safe_to_define___extensions__+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+#	  define __EXTENSIONS__ 1
+	  $ac_includes_default
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_safe_to_define___extensions__=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_safe_to_define___extensions__=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_safe_to_define___extensions__" >&5
+$as_echo "$ac_cv_safe_to_define___extensions__" >&6; }
+  test $ac_cv_safe_to_define___extensions__ = yes &&
+    cat >>confdefs.h <<\_ACEOF
+#define __EXTENSIONS__ 1
+_ACEOF
+
+  cat >>confdefs.h <<\_ACEOF
+#define _ALL_SOURCE 1
+_ACEOF
+
+  cat >>confdefs.h <<\_ACEOF
+#define _GNU_SOURCE 1
+_ACEOF
+
+  cat >>confdefs.h <<\_ACEOF
+#define _POSIX_PTHREAD_SEMANTICS 1
+_ACEOF
+
+  cat >>confdefs.h <<\_ACEOF
+#define _TANDEM_SOURCE 1
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define VERSION "$fullversion"
+_ACEOF
+
+
+
+
+
+# Check whether --with-distribution was given.
+if test "${with_distribution+set}" = set; then
+  withval=$with_distribution; distribution=$withval
+fi
+
+
+
+
+# Check whether --with-target was given.
+if test "${with_target+set}" = set; then
+  withval=$with_target; target=$withval
+fi
+
+case $target in
+  Linux|linux)
+    cat >>confdefs.h <<\_ACEOF
+#define TARGET TARGET_LINUX
+_ACEOF
+
+    target="Linux"
+    ;;
+  BSD| bsd)
+    cat >>confdefs.h <<\_ACEOF
+#define TARGET TARGET_BSD
+_ACEOF
+
+    target="BSD"
+    ;;
+  Cygwin|CYGWIN|cygwin)
+    cat >>confdefs.h <<\_ACEOF
+#define TARGET TARGET_CYGWIN
+_ACEOF
+
+    target="cygwin"
+    ;;
+  autodetect)
+    ;;
+  *)
+    { { $as_echo "$as_me:$LINENO: error: --with-target must have Linux, BSD or Cygwin as parameter." >&5
+$as_echo "$as_me: error: --with-target must have Linux, BSD or Cygwin as parameter." >&2;}
+   { (exit 1); exit 1; }; }
+    ;;
+esac
+
+
+# Check whether --with-cachedir was given.
+if test "${with_cachedir+set}" = set; then
+  withval=$with_cachedir; cachedir=$withval
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define CACHEDIR "$cachedir"
+_ACEOF
+
+
+
+# Check whether --enable-isdn was given.
+if test "${enable_isdn+set}" = set; then
+  enableval=$enable_isdn; test $enableval = "yes" && cat >>confdefs.h <<\_ACEOF
+#define ISDN_SUPPORT 1
+_ACEOF
+
+fi
+
+
+# Check whether --enable-ipv4 was given.
+if test "${enable_ipv4+set}" = set; then
+  enableval=$enable_ipv4; have_ipv4=$enableval
+fi
+
+
+test $have_ipv4 = "yes" && cat >>confdefs.h <<\_ACEOF
+#define ENABLE_IPV4 1
+_ACEOF
+
+
+# Check whether --enable-ipv6 was given.
+if test "${enable_ipv6+set}" = set; then
+  enableval=$enable_ipv6;  if test $enableval = "yes" ; then
+    cat >>confdefs.h <<\_ACEOF
+#define ENABLE_IPV6 1
+_ACEOF
+
+    if test $have_ipv4 != "yes" ; then
+      ipv4_default=0
+    fi
+  fi
+fi
+
+
+# Check whether --enable-ipv4-startup was given.
+if test "${enable_ipv4_startup+set}" = set; then
+  enableval=$enable_ipv4_startup;  if test $enableval = "yes" ; then
+    ipv4_default=1
+  else
+    ipv4_default=0
+  fi
+fi
+
+
+# Check whether --enable-ipv6-startup was given.
+if test "${enable_ipv6_startup+set}" = set; then
+  enableval=$enable_ipv6_startup;  if test $enableval = "yes" ; then
+    ipv4_default=0
+  else
+    ipv4_default=1
+  fi
+fi
+
+
+cat >>confdefs.h <<_ACEOF
+#define DEFAULT_IPV4 $ipv4_default
+_ACEOF
+
+
+# Check whether --enable-udp-queries was given.
+if test "${enable_udp_queries+set}" = set; then
+  enableval=$enable_udp_queries; udp_queries=$enableval
+fi
+
+
+# Check whether --enable-tcp-queries was given.
+if test "${enable_tcp_queries+set}" = set; then
+  enableval=$enable_tcp_queries; tcp_queries=$enableval
+fi
+
+
+
+# Check whether --with-query-method was given.
+if test "${with_query_method+set}" = set; then
+  withval=$with_query_method; query_m=$withval
+fi
+
+case $query_m in
+  udponly|UDPonly)
+    cat >>confdefs.h <<\_ACEOF
+#define M_PRESET UDP_ONLY
+_ACEOF
+
+    udp_queries=yes;
+    ;;
+  tcponly|TCPonly)
+    cat >>confdefs.h <<\_ACEOF
+#define M_PRESET TCP_ONLY
+_ACEOF
+
+    tcp_queries=yes;
+    ;;
+  tcpudp|TCPUDP)
+    cat >>confdefs.h <<\_ACEOF
+#define M_PRESET TCP_UDP
+_ACEOF
+
+    udp_queries=yes;
+    tcp_queries=yes;
+    ;;
+  udptcp|UDPTCP)
+    cat >>confdefs.h <<\_ACEOF
+#define M_PRESET UDP_TCP
+_ACEOF
+
+    udp_queries=yes;
+    tcp_queries=yes;
+    ;;
+  *)
+    { { $as_echo "$as_me:$LINENO: error: --with-query-method must have udponly, tcponly, tcpudp or udptcp as parameter." >&5
+$as_echo "$as_me: error: --with-query-method must have udponly, tcponly, tcpudp or udptcp as parameter." >&2;}
+   { (exit 1); exit 1; }; }
+    ;;
+esac
+
+test $udp_queries != "yes" && cat >>confdefs.h <<\_ACEOF
+#define NO_UDP_QUERIES 1
+_ACEOF
+
+test $tcp_queries != "yes" && cat >>confdefs.h <<\_ACEOF
+#define NO_TCP_QUERIES 1
+_ACEOF
+
+
+# Check whether --enable-tcp-server was given.
+if test "${enable_tcp_server+set}" = set; then
+  enableval=$enable_tcp_server; have_tcp_server=$enableval
+fi
+
+
+test $have_tcp_server != "yes" && cat >>confdefs.h <<\_ACEOF
+#define NO_TCP_SERVER 1
+_ACEOF
+
+
+# Check whether --enable-src-addr-disc was given.
+if test "${enable_src_addr_disc+set}" = set; then
+  enableval=$enable_src_addr_disc; adisc=$enableval
+fi
+
+
+# Check whether --enable-socket-locking was given.
+if test "${enable_socket_locking+set}" = set; then
+  enableval=$enable_socket_locking; slock=$enableval
+fi
+
+
+test $slock = "yes" && cat >>confdefs.h <<\_ACEOF
+#define SOCKET_LOCKING 1
+_ACEOF
+
+
+# Check whether --enable-poll was given.
+if test "${enable_poll+set}" = set; then
+  enableval=$enable_poll; test $enableval != "yes" && cat >>confdefs.h <<\_ACEOF
+#define NO_POLL 1
+_ACEOF
+
+fi
+
+
+# Check whether --enable-new-rrs was given.
+if test "${enable_new_rrs+set}" = set; then
+  enableval=$enable_new_rrs; newrrs=$enableval
+fi
+
+
+# Check whether --enable-strict-rfc2181 was given.
+if test "${enable_strict_rfc2181+set}" = set; then
+  enableval=$enable_strict_rfc2181; test $enableval = "yes" && cat >>confdefs.h <<\_ACEOF
+#define RFC2181_ME_HARDER 1
+_ACEOF
+
+fi
+
+
+
+# Check whether --with-random-device was given.
+if test "${with_random_device+set}" = set; then
+  withval=$with_random_device; randomdev=$withval
+fi
+
+
+if test "$randomdev" = arc4random ; then
+	cat >>confdefs.h <<\_ACEOF
+#define R_ARC4RANDOM 1
+_ACEOF
+
+elif test "$randomdev" = random ; then
+	cat >>confdefs.h <<\_ACEOF
+#define R_RANDOM 1
+_ACEOF
+
+elif test "$randomdev" = default ; then
+	cat >>confdefs.h <<\_ACEOF
+#define R_DEFAULT 1
+_ACEOF
+
+else
+	cat >>confdefs.h <<_ACEOF
+#define RANDOM_DEVICE "$randomdev"
+_ACEOF
+
+fi
+
+# Check whether --enable-underscores was given.
+if test "${enable_underscores+set}" = set; then
+  enableval=$enable_underscores; underscores=$enableval
+fi
+
+
+
+# Check whether --with-default-id was given.
+if test "${with_default_id+set}" = set; then
+  withval=$with_default_id; def_id=$withval
+fi
+
+
+
+
+# Check whether --with-debug was given.
+if test "${with_debug+set}" = set; then
+  withval=$with_debug; cat >>confdefs.h <<_ACEOF
+#define DEBUG $withval
+_ACEOF
+
+fi
+
+
+
+# Check whether --with-verbosity was given.
+if test "${with_verbosity+set}" = set; then
+  withval=$with_verbosity; cat >>confdefs.h <<_ACEOF
+#define VERBOSITY $withval
+_ACEOF
+
+fi
+
+
+
+# Check whether --with-hash-buckets was given.
+if test "${with_hash_buckets+set}" = set; then
+  withval=$with_hash_buckets; powof2=1
+  hashsz=0
+
+  while test $powof2 -lt "$withval"
+  do
+    powof2=`expr 2 '*' $powof2`
+    hashsz=`expr $hashsz '+' 1`
+  done
+  cat >>confdefs.h <<_ACEOF
+#define HASH_SZ $hashsz
+_ACEOF
+
+
+fi
+
+
+# Check whether --enable-hash-debug was given.
+if test "${enable_hash_debug+set}" = set; then
+  enableval=$enable_hash_debug; test $enableval = "yes" && cat >>confdefs.h <<\_ACEOF
+#define DEBUG_HASH 1
+_ACEOF
+
+fi
+
+
+# Check whether --enable-rcsids was given.
+if test "${enable_rcsids+set}" = set; then
+  enableval=$enable_rcsids; have_rcsids=$enableval
+fi
+
+
+
+# Check whether --with-tcp-qtimeout was given.
+if test "${with_tcp_qtimeout+set}" = set; then
+  withval=$with_tcp_qtimeout; cat >>confdefs.h <<_ACEOF
+#define TCP_TIMEOUT $withval
+_ACEOF
+
+fi
+
+
+# Check whether --enable-tcp-subseq was given.
+if test "${enable_tcp_subseq+set}" = set; then
+  enableval=$enable_tcp_subseq; test $enableval = "yes" && cat >>confdefs.h <<\_ACEOF
+#define TCP_SUBSEQ 1
+_ACEOF
+
+fi
+
+
+
+# Check whether --with-par-queries was given.
+if test "${with_par_queries+set}" = set; then
+  withval=$with_par_queries; cat >>confdefs.h <<_ACEOF
+#define PAR_QUERIES $withval
+_ACEOF
+
+fi
+
+
+
+# Check whether --with-max-nameserver-ips was given.
+if test "${with_max_nameserver_ips+set}" = set; then
+  withval=$with_max_nameserver_ips; cat >>confdefs.h <<_ACEOF
+#define MAXNAMESERVIPS $withval
+_ACEOF
+
+fi
+
+
+# Check whether --enable-specbuild was given.
+if test "${enable_specbuild+set}" = set; then
+  enableval=$enable_specbuild; specbuild=$enableval
+fi
+
+
+
+
+
+# Check whether --with-thread-lib was given.
+if test "${with_thread_lib+set}" = set; then
+  withval=$with_thread_lib; threadlib=$withval
+fi
+
+
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="${ac_tool_prefix}gcc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_CC="gcc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+          if test -n "$ac_tool_prefix"; then
+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="${ac_tool_prefix}cc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  fi
+fi
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+       ac_prog_rejected=yes
+       continue
+     fi
+    ac_cv_prog_CC="cc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# != 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+  fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  for ac_prog in cl.exe
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$CC" && break
+  done
+fi
+if test -z "$CC"; then
+  ac_ct_CC=$CC
+  for ac_prog in cl.exe
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_CC="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CC" && break
+done
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+fi
+
+fi
+
+
+test -z "$CC" && { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }; }
+
+# Provide some information about the compiler.
+$as_echo "$as_me:$LINENO: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+
+{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_compiler_gnu=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+ac_test_CFLAGS=${CFLAGS+set}
+ac_save_CFLAGS=$CFLAGS
+{ $as_echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	CFLAGS=""
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
+if test "$ac_test_CFLAGS" = set; then
+  CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdarg.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not '\xHH' hex character constants.
+   These don't provoke an error unfortunately, instead are silently treated
+   as 'x'.  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
+   array size at least.  It's necessary to write '\x00'==0 to get something
+   that's true only with -std.  */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+  ;
+  return 0;
+}
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_c89=$ac_arg
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
+fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+  x)
+    { $as_echo "$as_me:$LINENO: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:$LINENO: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c89"
+    { $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+depcc="$CC"   am_compiler_list=
+
+{ $as_echo "$as_me:$LINENO: checking dependency style of $depcc" >&5
+$as_echo_n "checking dependency style of $depcc... " >&6; }
+if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named `D' -- because `-MD' means `put the output
+  # in D'.
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CC_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
+      # Solaris 8's {/usr,}/bin/sh.
+      touch sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle `-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # after this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvisualcpp | msvcmsys)
+      # This compiler won't grok `-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CC_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5
+$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+  am__fastdepCC_TRUE=
+  am__fastdepCC_FALSE='#'
+else
+  am__fastdepCC_TRUE='#'
+  am__fastdepCC_FALSE=
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="${ac_tool_prefix}gcc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_CC="gcc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+          if test -n "$ac_tool_prefix"; then
+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="${ac_tool_prefix}cc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  fi
+fi
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+       ac_prog_rejected=yes
+       continue
+     fi
+    ac_cv_prog_CC="cc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# != 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+  fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  for ac_prog in cl.exe
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$CC" && break
+  done
+fi
+if test -z "$CC"; then
+  ac_ct_CC=$CC
+  for ac_prog in cl.exe
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_CC="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CC" && break
+done
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+fi
+
+fi
+
+
+test -z "$CC" && { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }; }
+
+# Provide some information about the compiler.
+$as_echo "$as_me:$LINENO: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+
+{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_compiler_gnu=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+ac_test_CFLAGS=${CFLAGS+set}
+ac_save_CFLAGS=$CFLAGS
+{ $as_echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	CFLAGS=""
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
+if test "$ac_test_CFLAGS" = set; then
+  CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdarg.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not '\xHH' hex character constants.
+   These don't provoke an error unfortunately, instead are silently treated
+   as 'x'.  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
+   array size at least.  It's necessary to write '\x00'==0 to get something
+   that's true only with -std.  */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+  ;
+  return 0;
+}
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_c89=$ac_arg
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
+fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+  x)
+    { $as_echo "$as_me:$LINENO: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:$LINENO: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c89"
+    { $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+depcc="$CC"   am_compiler_list=
+
+{ $as_echo "$as_me:$LINENO: checking dependency style of $depcc" >&5
+$as_echo_n "checking dependency style of $depcc... " >&6; }
+if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named `D' -- because `-MD' means `put the output
+  # in D'.
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CC_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
+      # Solaris 8's {/usr,}/bin/sh.
+      touch sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle `-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # after this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvisualcpp | msvcmsys)
+      # This compiler won't grok `-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CC_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5
+$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+  am__fastdepCC_TRUE=
+  am__fastdepCC_FALSE='#'
+else
+  am__fastdepCC_TRUE='#'
+  am__fastdepCC_FALSE=
+fi
+
+
+
+am_cv_prog_cc_stdc=$ac_cv_prog_cc_stdc
+
+if test "x$CC" != xcc; then
+  { $as_echo "$as_me:$LINENO: checking whether $CC and cc understand -c and -o together" >&5
+$as_echo_n "checking whether $CC and cc understand -c and -o together... " >&6; }
+else
+  { $as_echo "$as_me:$LINENO: checking whether cc understands -c and -o together" >&5
+$as_echo_n "checking whether cc understands -c and -o together... " >&6; }
+fi
+set dummy $CC; ac_cc=`$as_echo "$2" |
+		      sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
+if { as_var=ac_cv_prog_cc_${ac_cc}_c_o; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+# Make sure it works both with $CC and with simple cc.
+# We do the test twice because some compilers refuse to overwrite an
+# existing .o file with -o, though they will create one.
+ac_try='$CC -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
+rm -f conftest2.*
+if { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+   test -f conftest2.$ac_objext && { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); };
+then
+  eval ac_cv_prog_cc_${ac_cc}_c_o=yes
+  if test "x$CC" != xcc; then
+    # Test first that cc exists at all.
+    if { ac_try='cc -c conftest.$ac_ext >&5'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+      ac_try='cc -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
+      rm -f conftest2.*
+      if { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 test -f conftest2.$ac_objext && { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); };
+      then
+	# cc works too.
+	:
+      else
+	# cc exists but doesn't like -o.
+	eval ac_cv_prog_cc_${ac_cc}_c_o=no
+      fi
+    fi
+  fi
+else
+  eval ac_cv_prog_cc_${ac_cc}_c_o=no
+fi
+rm -f core conftest*
+
+fi
+if eval test \$ac_cv_prog_cc_${ac_cc}_c_o = yes; then
+  { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define NO_MINUS_C_MINUS_O 1
+_ACEOF
+
+fi
+
+# FIXME: we rely on the cache variable name because
+# there is no other way.
+set dummy $CC
+am_cc=`echo $2 | sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
+eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
+if test "$am_t" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+
+
+# Find a good install program.  We prefer a C program (faster),
+# so one script is as good as another.  But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
+{ $as_echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
+$as_echo_n "checking for a BSD-compatible install... " >&6; }
+if test -z "$INSTALL"; then
+if test "${ac_cv_path_install+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in
+  ./ | .// | /cC/* | \
+  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+  ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
+  /usr/ucb/* ) ;;
+  *)
+    # OSF1 and SCO ODT 3.0 have their own names for install.
+    # Don't use installbsd from OSF since it installs stuff as root
+    # by default.
+    for ac_prog in ginstall scoinst install; do
+      for ac_exec_ext in '' $ac_executable_extensions; do
+	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
+	  if test $ac_prog = install &&
+	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # AIX install.  It has an incompatible calling convention.
+	    :
+	  elif test $ac_prog = install &&
+	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # program-specific install script used by HP pwplus--don't use.
+	    :
+	  else
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
+	  fi
+	fi
+      done
+    done
+    ;;
+esac
+
+done
+IFS=$as_save_IFS
+
+rm -rf conftest.one conftest.two conftest.dir
+
+fi
+  if test "${ac_cv_path_install+set}" = set; then
+    INSTALL=$ac_cv_path_install
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for INSTALL within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    INSTALL=$ac_install_sh
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5
+$as_echo "$INSTALL" >&6; }
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ranlib; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_RANLIB+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$RANLIB"; then
+  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+RANLIB=$ac_cv_prog_RANLIB
+if test -n "$RANLIB"; then
+  { $as_echo "$as_me:$LINENO: result: $RANLIB" >&5
+$as_echo "$RANLIB" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_RANLIB"; then
+  ac_ct_RANLIB=$RANLIB
+  # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_RANLIB"; then
+  ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_RANLIB="ranlib"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
+if test -n "$ac_ct_RANLIB"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
+$as_echo "$ac_ct_RANLIB" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_RANLIB" = x; then
+    RANLIB=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    RANLIB=$ac_ct_RANLIB
+  fi
+else
+  RANLIB="$ac_cv_prog_RANLIB"
+fi
+
+
+if test "$target" = "autodetect" ; then
+  { $as_echo "$as_me:$LINENO: checking for autodetect build target" >&5
+$as_echo_n "checking for autodetect build target... " >&6; }
+  uname_sys=`uname`
+  if test $? -ne 0 ; then
+    { $as_echo "$as_me:$LINENO: result: failed" >&5
+$as_echo "failed" >&6; }
+    { { $as_echo "$as_me:$LINENO: error: uname failed or was not found in path" >&5
+$as_echo "$as_me: error: uname failed or was not found in path" >&2;}
+   { (exit 1); exit 1; }; }
+  else
+    case "${uname_sys}" in
+    Linux)
+      { $as_echo "$as_me:$LINENO: result: Linux" >&5
+$as_echo "Linux" >&6; }
+      cat >>confdefs.h <<\_ACEOF
+#define TARGET TARGET_LINUX
+_ACEOF
+
+      target="Linux"
+      ;;
+    FreeBSD|NetBSD|OpenBSD|Darwin)
+      { $as_echo "$as_me:$LINENO: result: \"${uname_sys}\"" >&5
+$as_echo "\"${uname_sys}\"" >&6; }
+      cat >>confdefs.h <<\_ACEOF
+#define TARGET TARGET_BSD
+_ACEOF
+
+      target="BSD"
+      ;;
+    CYGWIN*)
+      { $as_echo "$as_me:$LINENO: result: \"${uname_sys}\"" >&5
+$as_echo "\"${uname_sys}\"" >&6; }
+      cat >>confdefs.h <<\_ACEOF
+#define TARGET TARGET_CYGWIN
+_ACEOF
+
+      target="cygwin"
+      ;;
+    *)
+      { $as_echo "$as_me:$LINENO: result: failed" >&5
+$as_echo "failed" >&6; }
+      { { $as_echo "$as_me:$LINENO: error: Your system type could not be identified. Try setting it manually using
+--with-target" >&5
+$as_echo "$as_me: error: Your system type could not be identified. Try setting it manually using
+--with-target" >&2;}
+   { (exit 1); exit 1; }; }
+      ;;
+    esac
+  fi
+fi
+
+#if test "$target" = BSD ; then
+#  uname_sys=`uname`
+#  if test "$uname_sys" = FreeBSD ; then
+#    AC_MSG_CHECKING([for FreeBSD version])
+#    osrel=`sysctl -n kern.osreldate`
+#    if test $osrel -ge 500016 ; then
+#      AC_MSG_RESULT([5.0 (>= 500016)])
+#      freebsd_pthread="5"
+#    else
+#      AC_MSG_RESULT([<=5.0 (< 500016)])
+#      freebsd_pthread="4"
+#    fi
+#  fi
+#fi
+
+if test "$adisc" = "default"; then
+  if test "$target" = "cygwin" ; then
+# Don't do UDP source address discovery on Cygwin platform by default.
+    adisc="no"
+  else
+    adisc="yes"
+  fi
+fi
+
+test "$adisc" = "yes" && cat >>confdefs.h <<\_ACEOF
+#define SRC_ADDR_DISC 1
+_ACEOF
+
+
+
+if test "$target" = "Linux"; then
+{ $as_echo "$as_me:$LINENO: checking if we can compile and link with -pthread" >&5
+$as_echo_n "checking if we can compile and link with -pthread... " >&6; }
+old_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -pthread"
+cat >conftest.$ac_ext <<_ACEOF
+
+#include <pthread.h>
+
+void *thread_func(void *data)
+{
+	*((int *)data)=1;
+	return data;
+}
+
+int main()
+{
+	pthread_t thread;
+	void *retval;
+	int val;
+
+	if(pthread_create(&thread, NULL, thread_func, &val))
+		return 1;
+
+	if(pthread_join(thread,&retval))
+		return 1;
+
+	return (*((int *)retval)!=1);
+}
+
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  gcc_pthread_flag="yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	gcc_pthread_flag="no"
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+CFLAGS="$old_CFLAGS"
+{ $as_echo "$as_me:$LINENO: result: $gcc_pthread_flag" >&5
+$as_echo "$gcc_pthread_flag" >&6; }
+
+  if test "$gcc_pthread_flag" = yes ; then
+    thread_CFLAGS="-pthread"
+
+  else
+
+{ $as_echo "$as_me:$LINENO: checking for pthread_create in -lpthread" >&5
+$as_echo_n "checking for pthread_create in -lpthread... " >&6; }
+if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpthread  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char pthread_create ();
+int
+main ()
+{
+return pthread_create ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_lib_pthread_pthread_create=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_pthread_pthread_create=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_pthread_pthread_create" >&5
+$as_echo "$ac_cv_lib_pthread_pthread_create" >&6; }
+if test "x$ac_cv_lib_pthread_pthread_create" = x""yes; then
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPTHREAD 1
+_ACEOF
+
+  LIBS="-lpthread $LIBS"
+
+fi
+
+  fi
+fi
+if test "$target" = "BSD" -a `uname` != Darwin ; then
+#  if test $freebsd_pthread = 4 ; then
+    thread_CFLAGS="-pthread"
+
+#  else
+#    AC_CHECK_LIB(c_r, pthread_create, ,
+#      AC_MSG_ERROR([You must have libc_r installed to build/run pdnsd!]))
+#  fi;
+fi
+
+if test "$target" = "Linux" -a "$threadlib" = default; then
+{ $as_echo "$as_me:$LINENO: checking if this is an NPTL-based system" >&5
+$as_echo_n "checking if this is an NPTL-based system... " >&6; }
+old_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $thread_CFLAGS"
+if test "$cross_compiling" = yes; then
+
+  { $as_echo "$as_me:$LINENO: result: couldn't run test program" >&5
+$as_echo "couldn't run test program" >&6; }
+  threadlib=linuxthreads
+
+else
+  cat >conftest.$ac_ext <<_ACEOF
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <pthread.h>
+
+/* All this function does is return its PID (in a roundabout way). */
+void *thread_func(void *data)
+{
+	*((int *)data)=getpid();
+	return data;
+}
+
+int main()
+{
+	pthread_t thread;
+	void *retval;
+	int err,mainpid,thrdpid;
+
+	err=pthread_create(&thread, NULL, thread_func, &thrdpid);
+	if(err) {
+		fprintf(stderr,"pthread_create failed: %s\n",strerror(err));
+		return 1;
+	}
+	err=pthread_join(thread,&retval);
+	if(err) {
+		fprintf(stderr,"pthread_join failed: %s\n",strerror(err));
+		return 1;
+	}
+	mainpid=getpid();
+	/* In LinuxThreads implementations, the pids of the threads will usually differ
+	   in a non Posix-compliant way. */
+	fprintf(stderr,"main pid=%d, thread pid=%d\n",mainpid,*((int *)retval));
+	return (*((int *)retval)!=mainpid);
+}
+
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+  { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+  threadlib=nptl
+
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+  threadlib=linuxthreads
+
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+CFLAGS="$old_CFLAGS"
+fi
+
+if test "$threadlib" = nptl -o "$threadlib" = NPTL; then
+	cat >>confdefs.h <<\_ACEOF
+#define THREADLIB_NPTL 1
+_ACEOF
+
+elif test "$threadlib" = linuxthreads2 -o "$threadlib" = LinuxThreads2 -o "$threadlib" = lt2; then
+	cat >>confdefs.h <<\_ACEOF
+#define THREADLIB_LINUXTHREADS2 1
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_header_stdc=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_header_stdc=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "memchr" >/dev/null 2>&1; then
+  :
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "free" >/dev/null 2>&1; then
+  :
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then
+  :
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+		   (('a' <= (c) && (c) <= 'i') \
+		     || ('j' <= (c) && (c) <= 'r') \
+		     || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+	|| toupper (i) != TOUPPER (i))
+      return 2;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  :
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_header_stdc=no
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define STDC_HEADERS 1
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for sys/wait.h that is POSIX.1 compatible" >&5
+$as_echo_n "checking for sys/wait.h that is POSIX.1 compatible... " >&6; }
+if test "${ac_cv_header_sys_wait_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/wait.h>
+#ifndef WEXITSTATUS
+# define WEXITSTATUS(stat_val) ((unsigned int) (stat_val) >> 8)
+#endif
+#ifndef WIFEXITED
+# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
+#endif
+
+int
+main ()
+{
+  int s;
+  wait (&s);
+  s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_header_sys_wait_h=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_header_sys_wait_h=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_sys_wait_h" >&5
+$as_echo "$ac_cv_header_sys_wait_h" >&6; }
+if test $ac_cv_header_sys_wait_h = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_SYS_WAIT_H 1
+_ACEOF
+
+fi
+
+
+
+
+
+
+
+for ac_header in fcntl.h malloc.h sys/ioctl.h sys/time.h syslog.h unistd.h
+do
+as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
+$as_echo_n "checking for $ac_header... " >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+fi
+ac_res=`eval 'as_val=${'$as_ac_Header'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:$LINENO: checking $ac_header usability" >&5
+$as_echo_n "checking $ac_header usability... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:$LINENO: checking $ac_header presence" >&5
+$as_echo_n "checking $ac_header presence... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+$as_echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+$as_echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
+$as_echo_n "checking for $ac_header... " >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval 'as_val=${'$as_ac_Header'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+
+fi
+as_val=`eval 'as_val=${'$as_ac_Header'}
+		 $as_echo "$as_val"'`
+   if test "x$as_val" = x""yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+
+
+
+
+for ac_header in sys/types.h sys/socket.h net/if.h netinet/in.h sys/poll.h
+do
+as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
+$as_echo_n "checking for $ac_header... " >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdio.h>
+#if STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# if HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif
+#if HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+
+
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  eval "$as_ac_Header=yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Header=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_Header'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+as_val=`eval 'as_val=${'$as_ac_Header'}
+		 $as_echo "$as_val"'`
+   if test "x$as_val" = x""yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+{ $as_echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5
+$as_echo_n "checking for an ANSI C-conforming const... " >&6; }
+if test "${ac_cv_c_const+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+/* FIXME: Include the comments suggested by Paul. */
+#ifndef __cplusplus
+  /* Ultrix mips cc rejects this.  */
+  typedef int charset[2];
+  const charset cs;
+  /* SunOS 4.1.1 cc rejects this.  */
+  char const *const *pcpcc;
+  char **ppc;
+  /* NEC SVR4.0.2 mips cc rejects this.  */
+  struct point {int x, y;};
+  static struct point const zero = {0,0};
+  /* AIX XL C 1.02.0.0 rejects this.
+     It does not let you subtract one const X* pointer from another in
+     an arm of an if-expression whose if-part is not a constant
+     expression */
+  const char *g = "string";
+  pcpcc = &g + (g ? g-g : 0);
+  /* HPUX 7.0 cc rejects these. */
+  ++pcpcc;
+  ppc = (char**) pcpcc;
+  pcpcc = (char const *const *) ppc;
+  { /* SCO 3.2v4 cc rejects this.  */
+    char *t;
+    char const *s = 0 ? (char *) 0 : (char const *) 0;
+
+    *t++ = 0;
+    if (s) return 0;
+  }
+  { /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
+    int x[] = {25, 17};
+    const int *foo = &x[0];
+    ++foo;
+  }
+  { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
+    typedef const int *iptr;
+    iptr p = 0;
+    ++p;
+  }
+  { /* AIX XL C 1.02.0.0 rejects this saying
+       "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
+    struct s { int j; const int *ap[3]; };
+    struct s *b; b->j = 5;
+  }
+  { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
+    const int foo = 10;
+    if (!foo) return 0;
+  }
+  return !cs[0] && !zero.x;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_c_const=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_c_const=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_const" >&5
+$as_echo "$ac_cv_c_const" >&6; }
+if test $ac_cv_c_const = no; then
+
+cat >>confdefs.h <<\_ACEOF
+#define const /**/
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for pid_t" >&5
+$as_echo_n "checking for pid_t... " >&6; }
+if test "${ac_cv_type_pid_t+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_type_pid_t=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof (pid_t))
+       return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof ((pid_t)))
+	  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_pid_t=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_pid_t" >&5
+$as_echo "$ac_cv_type_pid_t" >&6; }
+if test "x$ac_cv_type_pid_t" = x""yes; then
+  :
+else
+
+cat >>confdefs.h <<_ACEOF
+#define pid_t int
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for size_t" >&5
+$as_echo_n "checking for size_t... " >&6; }
+if test "${ac_cv_type_size_t+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_type_size_t=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof (size_t))
+       return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof ((size_t)))
+	  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_size_t=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5
+$as_echo "$ac_cv_type_size_t" >&6; }
+if test "x$ac_cv_type_size_t" = x""yes; then
+  :
+else
+
+cat >>confdefs.h <<_ACEOF
+#define size_t unsigned int
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking whether time.h and sys/time.h may both be included" >&5
+$as_echo_n "checking whether time.h and sys/time.h may both be included... " >&6; }
+if test "${ac_cv_header_time+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/time.h>
+#include <time.h>
+
+int
+main ()
+{
+if ((struct tm *) 0)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_header_time=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_header_time=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_time" >&5
+$as_echo "$ac_cv_header_time" >&6; }
+if test $ac_cv_header_time = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define TIME_WITH_SYS_TIME 1
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking whether struct tm is in sys/time.h or time.h" >&5
+$as_echo_n "checking whether struct tm is in sys/time.h or time.h... " >&6; }
+if test "${ac_cv_struct_tm+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <time.h>
+
+int
+main ()
+{
+struct tm tm;
+				     int *p = &tm.tm_sec;
+				     return !p;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_struct_tm=time.h
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_struct_tm=sys/time.h
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_struct_tm" >&5
+$as_echo "$ac_cv_struct_tm" >&6; }
+if test $ac_cv_struct_tm = sys/time.h; then
+
+cat >>confdefs.h <<\_ACEOF
+#define TM_IN_SYS_TIME 1
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for socklen_t" >&5
+$as_echo_n "checking for socklen_t... " >&6; }
+if test "${ac_cv_type_socklen_t+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_type_socklen_t=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+
+int
+main ()
+{
+if (sizeof (socklen_t))
+       return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+
+int
+main ()
+{
+if (sizeof ((socklen_t)))
+	  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_socklen_t=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_socklen_t" >&5
+$as_echo "$ac_cv_type_socklen_t" >&6; }
+if test "x$ac_cv_type_socklen_t" = x""yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_SOCKLEN_T 1
+_ACEOF
+
+
+else
+  cat >>confdefs.h <<\_ACEOF
+#define socklen_t int
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for struct in6_addr" >&5
+$as_echo_n "checking for struct in6_addr... " >&6; }
+if test "${ac_cv_type_struct_in6_addr+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_type_struct_in6_addr=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+
+int
+main ()
+{
+if (sizeof (struct in6_addr))
+       return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+
+int
+main ()
+{
+if (sizeof ((struct in6_addr)))
+	  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_struct_in6_addr=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_struct_in6_addr" >&5
+$as_echo "$ac_cv_type_struct_in6_addr" >&6; }
+if test "x$ac_cv_type_struct_in6_addr" = x""yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_IN6_ADDR 1
+_ACEOF
+
+
+fi
+{ $as_echo "$as_me:$LINENO: checking for struct in_pktinfo" >&5
+$as_echo_n "checking for struct in_pktinfo... " >&6; }
+if test "${ac_cv_type_struct_in_pktinfo+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_type_struct_in_pktinfo=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+
+int
+main ()
+{
+if (sizeof (struct in_pktinfo))
+       return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+
+int
+main ()
+{
+if (sizeof ((struct in_pktinfo)))
+	  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_struct_in_pktinfo=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_struct_in_pktinfo" >&5
+$as_echo "$ac_cv_type_struct_in_pktinfo" >&6; }
+if test "x$ac_cv_type_struct_in_pktinfo" = x""yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_IN_PKTINFO 1
+_ACEOF
+
+
+fi
+{ $as_echo "$as_me:$LINENO: checking for struct ifreq" >&5
+$as_echo_n "checking for struct ifreq... " >&6; }
+if test "${ac_cv_type_struct_ifreq+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_type_struct_ifreq=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+
+int
+main ()
+{
+if (sizeof (struct ifreq))
+       return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+
+int
+main ()
+{
+if (sizeof ((struct ifreq)))
+	  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_struct_ifreq=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_struct_ifreq" >&5
+$as_echo "$ac_cv_type_struct_ifreq" >&6; }
+if test "x$ac_cv_type_struct_ifreq" = x""yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_IFREQ 1
+_ACEOF
+
+
+fi
+
+
+{ $as_echo "$as_me:$LINENO: checking for CPP C99 Variadic macro support" >&5
+$as_echo_n "checking for CPP C99 Variadic macro support... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+
+#define a(...) junk(0,__VA_ARGS__)
+extern void junk(int i,...);
+int main()
+{
+  a(0);
+  a("a");
+  a(0, "a", 1);
+  return 0;
+}
+
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cpp_c99_variadic="yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	cpp_c99_variadic="no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $cpp_c99_variadic" >&5
+$as_echo "$cpp_c99_variadic" >&6; }
+if test $cpp_c99_variadic = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define CPP_C99_VARIADIC_MACROS 1
+_ACEOF
+
+else
+  if test "$GCC" != yes; then
+    { { $as_echo "$as_me:$LINENO: error: Compiler must support C99 or gcc variadic macros" >&5
+$as_echo "$as_me: error: Compiler must support C99 or gcc variadic macros" >&2;}
+   { (exit 1); exit 1; }; }
+  fi;
+fi
+
+# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
+# for constant arguments.  Useless!
+{ $as_echo "$as_me:$LINENO: checking for working alloca.h" >&5
+$as_echo_n "checking for working alloca.h... " >&6; }
+if test "${ac_cv_working_alloca_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <alloca.h>
+int
+main ()
+{
+char *p = (char *) alloca (2 * sizeof (int));
+			  if (p) return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_working_alloca_h=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_working_alloca_h=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_working_alloca_h" >&5
+$as_echo "$ac_cv_working_alloca_h" >&6; }
+if test $ac_cv_working_alloca_h = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ALLOCA_H 1
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for alloca" >&5
+$as_echo_n "checking for alloca... " >&6; }
+if test "${ac_cv_func_alloca_works+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef __GNUC__
+# define alloca __builtin_alloca
+#else
+# ifdef _MSC_VER
+#  include <malloc.h>
+#  define alloca _alloca
+# else
+#  ifdef HAVE_ALLOCA_H
+#   include <alloca.h>
+#  else
+#   ifdef _AIX
+ #pragma alloca
+#   else
+#    ifndef alloca /* predefined by HP cc +Olibcalls */
+char *alloca ();
+#    endif
+#   endif
+#  endif
+# endif
+#endif
+
+int
+main ()
+{
+char *p = (char *) alloca (1);
+				    if (p) return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_func_alloca_works=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_func_alloca_works=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_alloca_works" >&5
+$as_echo "$ac_cv_func_alloca_works" >&6; }
+
+if test $ac_cv_func_alloca_works = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ALLOCA 1
+_ACEOF
+
+else
+  # The SVR3 libPW and SVR4 libucb both contain incompatible functions
+# that cause trouble.  Some versions do not even contain alloca or
+# contain a buggy version.  If you still want to use their alloca,
+# use ar to extract alloca.o from them instead of compiling alloca.c.
+
+ALLOCA=\${LIBOBJDIR}alloca.$ac_objext
+
+cat >>confdefs.h <<\_ACEOF
+#define C_ALLOCA 1
+_ACEOF
+
+
+{ $as_echo "$as_me:$LINENO: checking whether \`alloca.c' needs Cray hooks" >&5
+$as_echo_n "checking whether \`alloca.c' needs Cray hooks... " >&6; }
+if test "${ac_cv_os_cray+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#if defined CRAY && ! defined CRAY2
+webecray
+#else
+wenotbecray
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "webecray" >/dev/null 2>&1; then
+  ac_cv_os_cray=yes
+else
+  ac_cv_os_cray=no
+fi
+rm -f conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_os_cray" >&5
+$as_echo "$ac_cv_os_cray" >&6; }
+if test $ac_cv_os_cray = yes; then
+  for ac_func in _getb67 GETB67 getb67; do
+    as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
+$as_echo_n "checking for $ac_func... " >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval "$as_ac_var=yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_var=no"
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+as_val=`eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'`
+   if test "x$as_val" = x""yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define CRAY_STACKSEG_END $ac_func
+_ACEOF
+
+    break
+fi
+
+  done
+fi
+
+{ $as_echo "$as_me:$LINENO: checking stack direction for C alloca" >&5
+$as_echo_n "checking stack direction for C alloca... " >&6; }
+if test "${ac_cv_c_stack_direction+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_c_stack_direction=0
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+find_stack_direction ()
+{
+  static char *addr = 0;
+  auto char dummy;
+  if (addr == 0)
+    {
+      addr = &dummy;
+      return find_stack_direction ();
+    }
+  else
+    return (&dummy > addr) ? 1 : -1;
+}
+
+int
+main ()
+{
+  return find_stack_direction () < 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_c_stack_direction=1
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_c_stack_direction=-1
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_stack_direction" >&5
+$as_echo "$ac_cv_c_stack_direction" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define STACK_DIRECTION $ac_cv_c_stack_direction
+_ACEOF
+
+
+fi
+
+if test $ac_cv_c_compiler_gnu = yes; then
+    { $as_echo "$as_me:$LINENO: checking whether $CC needs -traditional" >&5
+$as_echo_n "checking whether $CC needs -traditional... " >&6; }
+if test "${ac_cv_prog_gcc_traditional+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+    ac_pattern="Autoconf.*'x'"
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sgtty.h>
+Autoconf TIOCGETP
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "$ac_pattern" >/dev/null 2>&1; then
+  ac_cv_prog_gcc_traditional=yes
+else
+  ac_cv_prog_gcc_traditional=no
+fi
+rm -f conftest*
+
+
+  if test $ac_cv_prog_gcc_traditional = no; then
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <termio.h>
+Autoconf TCGETA
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "$ac_pattern" >/dev/null 2>&1; then
+  ac_cv_prog_gcc_traditional=yes
+fi
+rm -f conftest*
+
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_gcc_traditional" >&5
+$as_echo "$ac_cv_prog_gcc_traditional" >&6; }
+  if test $ac_cv_prog_gcc_traditional = yes; then
+    CC="$CC -traditional"
+  fi
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for working memcmp" >&5
+$as_echo_n "checking for working memcmp... " >&6; }
+if test "${ac_cv_func_memcmp_working+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_func_memcmp_working=no
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+
+  /* Some versions of memcmp are not 8-bit clean.  */
+  char c0 = '\100', c1 = '\200', c2 = '\201';
+  if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0)
+    return 1;
+
+  /* The Next x86 OpenStep bug shows up only when comparing 16 bytes
+     or more and with at least one buffer not starting on a 4-byte boundary.
+     William Lewis provided this test program.   */
+  {
+    char foo[21];
+    char bar[21];
+    int i;
+    for (i = 0; i < 4; i++)
+      {
+	char *a = foo + i;
+	char *b = bar + i;
+	strcpy (a, "--------01111111");
+	strcpy (b, "--------10000000");
+	if (memcmp (a, b, 16) >= 0)
+	  return 1;
+      }
+    return 0;
+  }
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_func_memcmp_working=yes
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_func_memcmp_working=no
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_memcmp_working" >&5
+$as_echo "$ac_cv_func_memcmp_working" >&6; }
+test $ac_cv_func_memcmp_working = no && case " $LIBOBJS " in
+  *" memcmp.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS memcmp.$ac_objext"
+ ;;
+esac
+
+
+{ $as_echo "$as_me:$LINENO: checking return type of signal handlers" >&5
+$as_echo_n "checking return type of signal handlers... " >&6; }
+if test "${ac_cv_type_signal+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <signal.h>
+
+int
+main ()
+{
+return *(signal (0, 0)) (0) == 1;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_type_signal=int
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_signal=void
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_signal" >&5
+$as_echo "$ac_cv_type_signal" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define RETSIGTYPE $ac_cv_type_signal
+_ACEOF
+
+
+
+for ac_func in vprintf
+do
+as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
+$as_echo_n "checking for $ac_func... " >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval "$as_ac_var=yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_var=no"
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+as_val=`eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'`
+   if test "x$as_val" = x""yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+{ $as_echo "$as_me:$LINENO: checking for _doprnt" >&5
+$as_echo_n "checking for _doprnt... " >&6; }
+if test "${ac_cv_func__doprnt+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define _doprnt to an innocuous variant, in case <limits.h> declares _doprnt.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define _doprnt innocuous__doprnt
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char _doprnt (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef _doprnt
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char _doprnt ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub__doprnt || defined __stub____doprnt
+choke me
+#endif
+
+int
+main ()
+{
+return _doprnt ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_func__doprnt=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_func__doprnt=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_func__doprnt" >&5
+$as_echo "$ac_cv_func__doprnt" >&6; }
+if test "x$ac_cv_func__doprnt" = x""yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_DOPRNT 1
+_ACEOF
+
+fi
+
+fi
+done
+
+
+{ $as_echo "$as_me:$LINENO: checking for library containing nanosleep" >&5
+$as_echo_n "checking for library containing nanosleep... " >&6; }
+if test "${ac_cv_search_nanosleep+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char nanosleep ();
+int
+main ()
+{
+return nanosleep ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' rt; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_search_nanosleep=$ac_res
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext
+  if test "${ac_cv_search_nanosleep+set}" = set; then
+  break
+fi
+done
+if test "${ac_cv_search_nanosleep+set}" = set; then
+  :
+else
+  ac_cv_search_nanosleep=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_nanosleep" >&5
+$as_echo "$ac_cv_search_nanosleep" >&6; }
+ac_res=$ac_cv_search_nanosleep
+if test "$ac_res" != no; then
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for library containing socket" >&5
+$as_echo_n "checking for library containing socket... " >&6; }
+if test "${ac_cv_search_socket+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char socket ();
+int
+main ()
+{
+return socket ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' socket; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib -lnsl $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_search_socket=$ac_res
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext
+  if test "${ac_cv_search_socket+set}" = set; then
+  break
+fi
+done
+if test "${ac_cv_search_socket+set}" = set; then
+  :
+else
+  ac_cv_search_socket=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_socket" >&5
+$as_echo "$ac_cv_search_socket" >&6; }
+ac_res=$ac_cv_search_socket
+if test "$ac_res" != no; then
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for library containing inet_aton" >&5
+$as_echo_n "checking for library containing inet_aton... " >&6; }
+if test "${ac_cv_search_inet_aton+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char inet_aton ();
+int
+main ()
+{
+return inet_aton ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' resolv; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_search_inet_aton=$ac_res
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext
+  if test "${ac_cv_search_inet_aton+set}" = set; then
+  break
+fi
+done
+if test "${ac_cv_search_inet_aton+set}" = set; then
+  :
+else
+  ac_cv_search_inet_aton=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_inet_aton" >&5
+$as_echo "$ac_cv_search_inet_aton" >&6; }
+ac_res=$ac_cv_search_inet_aton
+if test "$ac_res" != no; then
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
+
+
+
+
+
+
+
+
+
+for ac_func in nanosleep gettimeofday mkfifo select socket strerror uname snprintf vsnprintf
+do
+as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
+$as_echo_n "checking for $ac_func... " >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval "$as_ac_var=yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_var=no"
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+as_val=`eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'`
+   if test "x$as_val" = x""yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+ true
+else
+  { { $as_echo "$as_me:$LINENO: error: One of the functions required for pdnsd were not found." >&5
+$as_echo "$as_me: error: One of the functions required for pdnsd were not found." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+done
+
+
+for ac_func in poll
+do
+as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
+$as_echo_n "checking for $ac_func... " >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval "$as_ac_var=yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_var=no"
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+as_val=`eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'`
+   if test "x$as_val" = x""yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+ true
+else
+  cat >>confdefs.h <<\_ACEOF
+#define NO_POLL 1
+_ACEOF
+
+fi
+done
+
+
+
+
+
+
+
+
+
+
+
+
+
+for ac_func in strdup strndup stpcpy stpncpy strlcpy mempcpy getline asprintf vasprintf getpwnam_r inet_ntop inet_pton
+do
+as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
+$as_echo_n "checking for $ac_func... " >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval "$as_ac_var=yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_var=no"
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+as_val=`eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'`
+   if test "x$as_val" = x""yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
+ac_config_files="$ac_config_files pdnsd.spec Makefile file-list.base contrib/Makefile doc/Makefile doc/pdnsd.8 doc/pdnsd.conf.5 doc/pdnsd.conf src/Makefile src/pdnsd-ctl/Makefile src/rc/Makefile src/rc/RedHat/Makefile src/rc/RedHat/pdnsd src/rc/SuSE/Makefile src/rc/SuSE/pdnsd src/rc/Debian/Makefile src/rc/Debian/pdnsd src/rc/Slackware/Makefile src/rc/Slackware/rc.pdnsd src/rc/ArchLinux/Makefile src/rc/ArchLinux/pdnsd src/test/Makefile PKGBUILD"
+
+cat >confcache <<\_ACEOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs, see configure's option --config-cache.
+# It is not useful on other systems.  If it contains results you don't
+# want to keep, you may remove or edit it.
+#
+# config.status only pays attention to the cache file if you give it
+# the --recheck option to rerun configure.
+#
+# `ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# following values.
+
+_ACEOF
+
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, we kill variables containing newlines.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+(
+  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) $as_unset $ac_var ;;
+      esac ;;
+    esac
+  done
+
+  (set) 2>&1 |
+    case $as_nl`(ac_space=' '; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      # `set' does not quote correctly, so add quotes (double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \).
+      sed -n \
+	"s/'/'\\\\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
+      ;; #(
+    *)
+      # `set' quotes correctly as required by POSIX, so do not add quotes.
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+) |
+  sed '
+     /^ac_cv_env_/b end
+     t clear
+     :clear
+     s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+     t end
+     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+     :end' >>confcache
+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
+  if test -w "$cache_file"; then
+    test "x$cache_file" != "x/dev/null" &&
+      { $as_echo "$as_me:$LINENO: updating cache $cache_file" >&5
+$as_echo "$as_me: updating cache $cache_file" >&6;}
+    cat confcache >$cache_file
+  else
+    { $as_echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5
+$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+  fi
+fi
+rm -f confcache
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+DEFS=-DHAVE_CONFIG_H
+
+ac_libobjs=
+ac_ltlibobjs=
+for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
+  # 1. Remove the extension, and $U if already installed.
+  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
+  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
+  #    will be set to the directory where LIBOBJS objects are built.
+  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
+done
+LIBOBJS=$ac_libobjs
+
+LTLIBOBJS=$ac_ltlibobjs
+
+
+ if test -n "$EXEEXT"; then
+  am__EXEEXT_TRUE=
+  am__EXEEXT_FALSE='#'
+else
+  am__EXEEXT_TRUE='#'
+  am__EXEEXT_FALSE=
+fi
+
+if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"AMDEP\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"AMDEP\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+: ${CONFIG_STATUS=./config.status}
+ac_write_fail=0
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files $CONFIG_STATUS"
+{ $as_echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+cat >$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+
+debug=false
+ac_cs_recheck=false
+ac_cs_silent=false
+SHELL=\${CONFIG_SHELL-$SHELL}
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+## --------------------- ##
+## M4sh Initialization.  ##
+## --------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+
+
+# PATH needs CR
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+case $0 in
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  { (exit 1); exit 1; }
+fi
+
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# Required to use basename.
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+
+# Name of the executable.
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# CDPATH.
+$as_unset CDPATH
+
+
+
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+
+  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+  # uniformly replaced by the line number.  The first 'sed' inserts a
+  # line-number line after each line using $LINENO; the second 'sed'
+  # does the real work.  The second script uses 'N' to pair each
+  # line-number line with the line containing $LINENO, and appends
+  # trailing '-' during substitution so that $LINENO is not a special
+  # case at line end.
+  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+  # scripts with optimization help from Paolo Bonzini.  Blame Lee
+  # E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+   { (exit 1); exit 1; }; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in
+-n*)
+  case `echo 'x\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  *)   ECHO_C='\c';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -p'
+  fi
+else
+  as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p=:
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+exec 6>&1
+
+# Save the log message, to keep $[0] and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling.
+ac_log="
+This file was extended by $as_me, which was
+generated by GNU Autoconf 2.63.  Invocation command line was
+
+  CONFIG_FILES    = $CONFIG_FILES
+  CONFIG_HEADERS  = $CONFIG_HEADERS
+  CONFIG_LINKS    = $CONFIG_LINKS
+  CONFIG_COMMANDS = $CONFIG_COMMANDS
+  $ $0 $@
+
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
+_ACEOF
+
+case $ac_config_files in *"
+"*) set x $ac_config_files; shift; ac_config_files=$*;;
+esac
+
+case $ac_config_headers in *"
+"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
+esac
+
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+# Files that config.status was made for.
+config_files="$ac_config_files"
+config_headers="$ac_config_headers"
+config_commands="$ac_config_commands"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+ac_cs_usage="\
+\`$as_me' instantiates files from templates according to the
+current configuration.
+
+Usage: $0 [OPTION]... [FILE]...
+
+  -h, --help       print this help, then exit
+  -V, --version    print version number and configuration settings, then exit
+  -q, --quiet, --silent
+                   do not print progress messages
+  -d, --debug      don't remove temporary files
+      --recheck    update $as_me by reconfiguring in the same conditions
+      --file=FILE[:TEMPLATE]
+                   instantiate the configuration file FILE
+      --header=FILE[:TEMPLATE]
+                   instantiate the configuration header FILE
+
+Configuration files:
+$config_files
+
+Configuration headers:
+$config_headers
+
+Configuration commands:
+$config_commands
+
+Report bugs to <bug-autoconf@xxxxxxx>."
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_version="\\
+config.status
+configured by $0, generated by GNU Autoconf 2.63,
+  with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
+
+Copyright (C) 2008 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+
+ac_pwd='$ac_pwd'
+srcdir='$srcdir'
+INSTALL='$INSTALL'
+MKDIR_P='$MKDIR_P'
+AWK='$AWK'
+test -n "\$AWK" || AWK=awk
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# The default lists apply if the user does not specify any file.
+ac_need_defaults=:
+while test $# != 0
+do
+  case $1 in
+  --*=*)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
+    ac_shift=:
+    ;;
+  *)
+    ac_option=$1
+    ac_optarg=$2
+    ac_shift=shift
+    ;;
+  esac
+
+  case $ac_option in
+  # Handling of the options.
+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+    ac_cs_recheck=: ;;
+  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+    $as_echo "$ac_cs_version"; exit ;;
+  --debug | --debu | --deb | --de | --d | -d )
+    debug=: ;;
+  --file | --fil | --fi | --f )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    CONFIG_FILES="$CONFIG_FILES '$ac_optarg'"
+    ac_need_defaults=false;;
+  --header | --heade | --head | --hea )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    CONFIG_HEADERS="$CONFIG_HEADERS '$ac_optarg'"
+    ac_need_defaults=false;;
+  --he | --h)
+    # Conflict between --help and --header
+    { $as_echo "$as_me: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; };;
+  --help | --hel | -h )
+    $as_echo "$ac_cs_usage"; exit ;;
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil | --si | --s)
+    ac_cs_silent=: ;;
+
+  # This is an error.
+  -*) { $as_echo "$as_me: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; } ;;
+
+  *) ac_config_targets="$ac_config_targets $1"
+     ac_need_defaults=false ;;
+
+  esac
+  shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+  exec 6>/dev/null
+  ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+if \$ac_cs_recheck; then
+  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  shift
+  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+  CONFIG_SHELL='$SHELL'
+  export CONFIG_SHELL
+  exec "\$@"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+exec 5>>config.log
+{
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+  $as_echo "$ac_log"
+} >&5
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+#
+# INIT-COMMANDS
+#
+AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+
+# Handling of arguments.
+for ac_config_target in $ac_config_targets
+do
+  case $ac_config_target in
+    "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
+    "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
+    "pdnsd.spec") CONFIG_FILES="$CONFIG_FILES pdnsd.spec" ;;
+    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+    "file-list.base") CONFIG_FILES="$CONFIG_FILES file-list.base" ;;
+    "contrib/Makefile") CONFIG_FILES="$CONFIG_FILES contrib/Makefile" ;;
+    "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
+    "doc/pdnsd.8") CONFIG_FILES="$CONFIG_FILES doc/pdnsd.8" ;;
+    "doc/pdnsd.conf.5") CONFIG_FILES="$CONFIG_FILES doc/pdnsd.conf.5" ;;
+    "doc/pdnsd.conf") CONFIG_FILES="$CONFIG_FILES doc/pdnsd.conf" ;;
+    "src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
+    "src/pdnsd-ctl/Makefile") CONFIG_FILES="$CONFIG_FILES src/pdnsd-ctl/Makefile" ;;
+    "src/rc/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/Makefile" ;;
+    "src/rc/RedHat/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/RedHat/Makefile" ;;
+    "src/rc/RedHat/pdnsd") CONFIG_FILES="$CONFIG_FILES src/rc/RedHat/pdnsd" ;;
+    "src/rc/SuSE/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/SuSE/Makefile" ;;
+    "src/rc/SuSE/pdnsd") CONFIG_FILES="$CONFIG_FILES src/rc/SuSE/pdnsd" ;;
+    "src/rc/Debian/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/Debian/Makefile" ;;
+    "src/rc/Debian/pdnsd") CONFIG_FILES="$CONFIG_FILES src/rc/Debian/pdnsd" ;;
+    "src/rc/Slackware/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/Slackware/Makefile" ;;
+    "src/rc/Slackware/rc.pdnsd") CONFIG_FILES="$CONFIG_FILES src/rc/Slackware/rc.pdnsd" ;;
+    "src/rc/ArchLinux/Makefile") CONFIG_FILES="$CONFIG_FILES src/rc/ArchLinux/Makefile" ;;
+    "src/rc/ArchLinux/pdnsd") CONFIG_FILES="$CONFIG_FILES src/rc/ArchLinux/pdnsd" ;;
+    "src/test/Makefile") CONFIG_FILES="$CONFIG_FILES src/test/Makefile" ;;
+    "PKGBUILD") CONFIG_FILES="$CONFIG_FILES PKGBUILD" ;;
+
+  *) { { $as_echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
+$as_echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
+   { (exit 1); exit 1; }; };;
+  esac
+done
+
+
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used.  Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
+  test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
+fi
+
+# Have a temporary directory for convenience.  Make it in the build tree
+# simply because there is no reason against having it here, and in addition,
+# creating and moving files from /tmp can sometimes cause problems.
+# Hook for its removal unless debugging.
+# Note that there is a small window in which the directory will not be cleaned:
+# after its creation but before its name has been assigned to `$tmp'.
+$debug ||
+{
+  tmp=
+  trap 'exit_status=$?
+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+' 0
+  trap '{ (exit 1); exit 1; }' 1 2 13 15
+}
+# Create a (secure) tmp directory for tmp files.
+
+{
+  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
+  test -n "$tmp" && test -d "$tmp"
+}  ||
+{
+  tmp=./conf$$-$RANDOM
+  (umask 077 && mkdir "$tmp")
+} ||
+{
+   $as_echo "$as_me: cannot create a temporary directory in ." >&2
+   { (exit 1); exit 1; }
+}
+
+# Set up the scripts for CONFIG_FILES section.
+# No need to generate them if there are no CONFIG_FILES.
+# This happens for instance with `./config.status config.h'.
+if test -n "$CONFIG_FILES"; then
+
+
+ac_cr='
'
+ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
+if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
+  ac_cs_awk_cr='\\r'
+else
+  ac_cs_awk_cr=$ac_cr
+fi
+
+echo 'BEGIN {' >"$tmp/subs1.awk" &&
+_ACEOF
+
+
+{
+  echo "cat >conf$$subs.awk <<_ACEOF" &&
+  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
+  echo "_ACEOF"
+} >conf$$subs.sh ||
+  { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+  . ./conf$$subs.sh ||
+    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
+
+  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
+  if test $ac_delim_n = $ac_delim_num; then
+    break
+  elif $ac_last_try; then
+    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+rm -f conf$$subs.sh
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+_ACEOF
+sed -n '
+h
+s/^/S["/; s/!.*/"]=/
+p
+g
+s/^[^!]*!//
+:repl
+t repl
+s/'"$ac_delim"'$//
+t delim
+:nl
+h
+s/\(.\{148\}\).*/\1/
+t more1
+s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
+p
+n
+b repl
+:more1
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t nl
+:delim
+h
+s/\(.\{148\}\).*/\1/
+t more2
+s/["\\]/\\&/g; s/^/"/; s/$/"/
+p
+b
+:more2
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t delim
+' <conf$$subs.awk | sed '
+/^[^""]/{
+  N
+  s/\n//
+}
+' >>$CONFIG_STATUS || ac_write_fail=1
+rm -f conf$$subs.awk
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACAWK
+cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+  for (key in S) S_is_set[key] = 1
+  FS = ""
+
+}
+{
+  line = $ 0
+  nfields = split(line, field, "@")
+  substed = 0
+  len = length(field[1])
+  for (i = 2; i < nfields; i++) {
+    key = field[i]
+    keylen = length(key)
+    if (S_is_set[key]) {
+      value = S[key]
+      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+      len += length(value) + length(field[++i])
+      substed = 1
+    } else
+      len += 1 + keylen
+  }
+
+  print line
+}
+
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
+  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
+else
+  cat
+fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+  || { { $as_echo "$as_me:$LINENO: error: could not setup config files machinery" >&5
+$as_echo "$as_me: error: could not setup config files machinery" >&2;}
+   { (exit 1); exit 1; }; }
+_ACEOF
+
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
+s/:*\$(srcdir):*/:/
+s/:*\${srcdir}:*/:/
+s/:*@srcdir@:*/:/
+s/^\([^=]*=[	 ]*\):*/\1/
+s/:*$//
+s/^[^=]*=[	 ]*$//
+}'
+fi
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+fi # test -n "$CONFIG_FILES"
+
+# Set up the scripts for CONFIG_HEADERS section.
+# No need to generate them if there are no CONFIG_HEADERS.
+# This happens for instance with `./config.status Makefile'.
+if test -n "$CONFIG_HEADERS"; then
+cat >"$tmp/defines.awk" <<\_ACAWK ||
+BEGIN {
+_ACEOF
+
+# Transform confdefs.h into an awk script `defines.awk', embedded as
+# here-document in config.status, that substitutes the proper values into
+# config.h.in to produce config.h.
+
+# Create a delimiter string that does not exist in confdefs.h, to ease
+# handling of long lines.
+ac_delim='%!_!# '
+for ac_last_try in false false :; do
+  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_t"; then
+    break
+  elif $ac_last_try; then
+    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_HEADERS" >&5
+$as_echo "$as_me: error: could not make $CONFIG_HEADERS" >&2;}
+   { (exit 1); exit 1; }; }
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+
+# For the awk script, D is an array of macro values keyed by name,
+# likewise P contains macro parameters if any.  Preserve backslash
+# newline sequences.
+
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+sed -n '
+s/.\{148\}/&'"$ac_delim"'/g
+t rset
+:rset
+s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
+t def
+d
+:def
+s/\\$//
+t bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3"/p
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
+d
+:bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3\\\\\\n"\\/p
+t cont
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
+t cont
+d
+:cont
+n
+s/.\{148\}/&'"$ac_delim"'/g
+t clear
+:clear
+s/\\$//
+t bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/"/p
+d
+:bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
+b cont
+' <confdefs.h | sed '
+s/'"$ac_delim"'/"\\\
+"/g' >>$CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  for (key in D) D_is_set[key] = 1
+  FS = ""
+}
+/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
+  line = \$ 0
+  split(line, arg, " ")
+  if (arg[1] == "#") {
+    defundef = arg[2]
+    mac1 = arg[3]
+  } else {
+    defundef = substr(arg[1], 2)
+    mac1 = arg[2]
+  }
+  split(mac1, mac2, "(") #)
+  macro = mac2[1]
+  prefix = substr(line, 1, index(line, defundef) - 1)
+  if (D_is_set[macro]) {
+    # Preserve the white space surrounding the "#".
+    print prefix "define", macro P[macro] D[macro]
+    next
+  } else {
+    # Replace #undef with comments.  This is necessary, for example,
+    # in the case of _POSIX_SOURCE, which is predefined and required
+    # on some systems where configure will not decide to define it.
+    if (defundef == "undef") {
+      print "/*", prefix defundef, macro, "*/"
+      next
+    }
+  }
+}
+{ print }
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+  { { $as_echo "$as_me:$LINENO: error: could not setup config headers machinery" >&5
+$as_echo "$as_me: error: could not setup config headers machinery" >&2;}
+   { (exit 1); exit 1; }; }
+fi # test -n "$CONFIG_HEADERS"
+
+
+eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
+shift
+for ac_tag
+do
+  case $ac_tag in
+  :[FHLC]) ac_mode=$ac_tag; continue;;
+  esac
+  case $ac_mode$ac_tag in
+  :[FHL]*:*);;
+  :L* | :C*:*) { { $as_echo "$as_me:$LINENO: error: invalid tag $ac_tag" >&5
+$as_echo "$as_me: error: invalid tag $ac_tag" >&2;}
+   { (exit 1); exit 1; }; };;
+  :[FH]-) ac_tag=-:-;;
+  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
+  esac
+  ac_save_IFS=$IFS
+  IFS=:
+  set x $ac_tag
+  IFS=$ac_save_IFS
+  shift
+  ac_file=$1
+  shift
+
+  case $ac_mode in
+  :L) ac_source=$1;;
+  :[FH])
+    ac_file_inputs=
+    for ac_f
+    do
+      case $ac_f in
+      -) ac_f="$tmp/stdin";;
+      *) # Look for the file first in the build tree, then in the source tree
+	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
+	 # because $ac_f cannot contain `:'.
+	 test -f "$ac_f" ||
+	   case $ac_f in
+	   [\\/$]*) false;;
+	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
+	   esac ||
+	   { { $as_echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
+$as_echo "$as_me: error: cannot find input file: $ac_f" >&2;}
+   { (exit 1); exit 1; }; };;
+      esac
+      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      ac_file_inputs="$ac_file_inputs '$ac_f'"
+    done
+
+    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # use $as_me), people would be surprised to read:
+    #    /* config.h.  Generated by config.status.  */
+    configure_input='Generated from '`
+	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	`' by configure.'
+    if test x"$ac_file" != x-; then
+      configure_input="$ac_file.  $configure_input"
+      { $as_echo "$as_me:$LINENO: creating $ac_file" >&5
+$as_echo "$as_me: creating $ac_file" >&6;}
+    fi
+    # Neutralize special characters interpreted by sed in replacement strings.
+    case $configure_input in #(
+    *\&* | *\|* | *\\* )
+       ac_sed_conf_input=`$as_echo "$configure_input" |
+       sed 's/[\\\\&|]/\\\\&/g'`;; #(
+    *) ac_sed_conf_input=$configure_input;;
+    esac
+
+    case $ac_tag in
+    *:-:* | *:-) cat >"$tmp/stdin" \
+      || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+$as_echo "$as_me: error: could not create $ac_file" >&2;}
+   { (exit 1); exit 1; }; } ;;
+    esac
+    ;;
+  esac
+
+  ac_dir=`$as_dirname -- "$ac_file" ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$ac_file" : 'X\(//\)[^/]' \| \
+	 X"$ac_file" : 'X\(//\)$' \| \
+	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$ac_file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  { as_dir="$ac_dir"
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || { { $as_echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
+$as_echo "$as_me: error: cannot create directory $as_dir" >&2;}
+   { (exit 1); exit 1; }; }; }
+  ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+
+  case $ac_mode in
+  :F)
+  #
+  # CONFIG_FILE
+  #
+
+  case $INSTALL in
+  [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
+  *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
+  esac
+  ac_MKDIR_P=$MKDIR_P
+  case $MKDIR_P in
+  [\\/$]* | ?:[\\/]* ) ;;
+  */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;;
+  esac
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# If the template does not know about datarootdir, expand it.
+# FIXME: This hack should be removed a few years after 2.60.
+ac_datarootdir_hack=; ac_datarootdir_seen=
+
+ac_sed_dataroot='
+/datarootdir/ {
+  p
+  q
+}
+/@datadir@/p
+/@docdir@/p
+/@infodir@/p
+/@localedir@/p
+/@mandir@/p
+'
+case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+*datarootdir*) ac_datarootdir_seen=yes;;
+*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
+  { $as_echo "$as_me:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  ac_datarootdir_hack='
+  s&@datadir@&$datadir&g
+  s&@docdir@&$docdir&g
+  s&@infodir@&$infodir&g
+  s&@localedir@&$localedir&g
+  s&@mandir@&$mandir&g
+    s&\\\${datarootdir}&$datarootdir&g' ;;
+esac
+_ACEOF
+
+# Neutralize VPATH when `$srcdir' = `.'.
+# Shell code in configure.ac might set extrasub.
+# FIXME: do we really want to maintain this feature?
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_sed_extra="$ac_vpsub
+$extrasub
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+:t
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+s|@configure_input@|$ac_sed_conf_input|;t t
+s&@top_builddir@&$ac_top_builddir_sub&;t t
+s&@top_build_prefix@&$ac_top_build_prefix&;t t
+s&@srcdir@&$ac_srcdir&;t t
+s&@abs_srcdir@&$ac_abs_srcdir&;t t
+s&@top_srcdir@&$ac_top_srcdir&;t t
+s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
+s&@builddir@&$ac_builddir&;t t
+s&@abs_builddir@&$ac_abs_builddir&;t t
+s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
+s&@INSTALL@&$ac_INSTALL&;t t
+s&@MKDIR_P@&$ac_MKDIR_P&;t t
+$ac_datarootdir_hack
+"
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
+  || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+$as_echo "$as_me: error: could not create $ac_file" >&2;}
+   { (exit 1); exit 1; }; }
+
+test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+  { $as_echo "$as_me:$LINENO: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&5
+$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&2;}
+
+  rm -f "$tmp/stdin"
+  case $ac_file in
+  -) cat "$tmp/out" && rm -f "$tmp/out";;
+  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  esac \
+  || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+$as_echo "$as_me: error: could not create $ac_file" >&2;}
+   { (exit 1); exit 1; }; }
+ ;;
+  :H)
+  #
+  # CONFIG_HEADER
+  #
+  if test x"$ac_file" != x-; then
+    {
+      $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
+    } >"$tmp/config.h" \
+      || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+$as_echo "$as_me: error: could not create $ac_file" >&2;}
+   { (exit 1); exit 1; }; }
+    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
+      { $as_echo "$as_me:$LINENO: $ac_file is unchanged" >&5
+$as_echo "$as_me: $ac_file is unchanged" >&6;}
+    else
+      rm -f "$ac_file"
+      mv "$tmp/config.h" "$ac_file" \
+	|| { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+$as_echo "$as_me: error: could not create $ac_file" >&2;}
+   { (exit 1); exit 1; }; }
+    fi
+  else
+    $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
+      || { { $as_echo "$as_me:$LINENO: error: could not create -" >&5
+$as_echo "$as_me: error: could not create -" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+# Compute "$ac_file"'s index in $config_headers.
+_am_arg="$ac_file"
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" ||
+$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$_am_arg" : 'X\(//\)[^/]' \| \
+	 X"$_am_arg" : 'X\(//\)$' \| \
+	 X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$_am_arg" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`/stamp-h$_am_stamp_count
+ ;;
+
+  :C)  { $as_echo "$as_me:$LINENO: executing $ac_file commands" >&5
+$as_echo "$as_me: executing $ac_file commands" >&6;}
+ ;;
+  esac
+
+
+  case $ac_file$ac_mode in
+    "depfiles":C) test x"$AMDEP_TRUE" != x"" || {
+  # Autoconf 2.62 quotes --file arguments for eval, but not when files
+  # are listed without --file.  Let's play safe and only enable the eval
+  # if we detect the quoting.
+  case $CONFIG_FILES in
+  *\'*) eval set x "$CONFIG_FILES" ;;
+  *)   set x $CONFIG_FILES ;;
+  esac
+  shift
+  for mf
+  do
+    # Strip MF so we end up with the name of the file.
+    mf=`echo "$mf" | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile or not.
+    # We used to match only the files named `Makefile.in', but
+    # some people rename them; so instead we look at the file content.
+    # Grep'ing the first line is not enough: some people post-process
+    # each Makefile.in and add a new line on top of each file to say so.
+    # Grep'ing the whole file is not good either: AIX grep has a line
+    # limit of 2048, but all sed's we know have understand at least 4000.
+    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+      dirpart=`$as_dirname -- "$mf" ||
+$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$mf" : 'X\(//\)[^/]' \| \
+	 X"$mf" : 'X\(//\)$' \| \
+	 X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$mf" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+    else
+      continue
+    fi
+    # Extract the definition of DEPDIR, am__include, and am__quote
+    # from the Makefile without running `make'.
+    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+    test -z "$DEPDIR" && continue
+    am__include=`sed -n 's/^am__include = //p' < "$mf"`
+    test -z "am__include" && continue
+    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+    # When using ansi2knr, U may be empty or an underscore; expand it
+    U=`sed -n 's/^U = //p' < "$mf"`
+    # Find all dependency output files, they are included files with
+    # $(DEPDIR) in their names.  We invoke sed twice because it is the
+    # simplest approach to changing $(DEPDIR) to its actual value in the
+    # expansion.
+    for file in `sed -n "
+      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
+      # Make sure the directory exists.
+      test -f "$dirpart/$file" && continue
+      fdir=`$as_dirname -- "$file" ||
+$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$file" : 'X\(//\)[^/]' \| \
+	 X"$file" : 'X\(//\)$' \| \
+	 X"$file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      { as_dir=$dirpart/$fdir
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || { { $as_echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
+$as_echo "$as_me: error: cannot create directory $as_dir" >&2;}
+   { (exit 1); exit 1; }; }; }
+      # echo "creating $dirpart/$file"
+      echo '# dummy' > "$dirpart/$file"
+    done
+  done
+}
+ ;;
+
+  esac
+done # for ac_tag
+
+
+{ (exit 0); exit 0; }
+_ACEOF
+chmod +x $CONFIG_STATUS
+ac_clean_files=$ac_clean_files_save
+
+test $ac_write_fail = 0 ||
+  { { $as_echo "$as_me:$LINENO: error: write failure creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: error: write failure creating $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
+
+
+# configure is writing to config.log, and then calls config.status.
+# config.status does its own redirection, appending to config.log.
+# Unfortunately, on DOS this fails, as config.log is still kept open
+# by configure, so config.status won't be able to write to it; its
+# output is simply discarded.  So we exec the FD to /dev/null,
+# effectively closing config.log, so it can be properly (re)opened and
+# appended to by config.status.  When coming back to configure, we
+# need to make the FD available again.
+if test "$no_create" != yes; then
+  ac_cs_success=:
+  ac_config_status_args=
+  test "$silent" = yes &&
+    ac_config_status_args="$ac_config_status_args --quiet"
+  exec 5>/dev/null
+  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
+  exec 5>>config.log
+  # Use ||, not &&, to avoid exiting from the if with $? = 1, which
+  # would make configure fail if this is the last instruction.
+  $ac_cs_success || { (exit 1); exit 1; }
+fi
+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
+  { $as_echo "$as_me:$LINENO: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+fi
+
diff --git a/orbotservice/src/main/jni/pdnsd/configure.in b/orbotservice/src/main/jni/pdnsd/configure.in
new file mode 100644
index 0000000..473abf1
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/configure.in
@@ -0,0 +1,548 @@
+dnl Process this file with autoconf to produce a configure script.
+AC_INIT(src)
+
+package="pdnsd"
+version=`cut -d - -f 1  "$srcdir"/version`
+fullversion=`cat "$srcdir"/version`
+packagerelease=`cut -d - -f 2- "$srcdir"/version`
+
+distribution="Generic"
+target="autodetect"
+cachedir="/var/cache/$package"
+ipv4_default=1
+have_ipv4="yes"
+#newrrs="yes"
+query_m="udponly"
+have_tcp_server="yes"
+adisc="default"
+slock="no";
+def_id="nobody"
+#have_rcsids="no"
+udp_queries="yes"
+tcp_queries="yes"
+tempdir="/tmp"
+randomdev=default
+freebsd_pthread="4"
+specbuild=no
+threadlib=default
+
+AM_INIT_AUTOMAKE($package, $version, [no-define])
+AM_CONFIG_HEADER(config.h)
+AC_GNU_SOURCE
+AC_DEFINE_UNQUOTED(VERSION,"$fullversion")
+AC_SUBST(fullversion)
+AC_SUBST(packagerelease)
+
+AC_ARG_WITH(distribution,
+[  --with-distribution=distro  Specify target distribution (default=Generic;
+                              others: RedHat, SuSE, Debian, ArchLinux)],
+  distribution=$withval)
+AC_SUBST(distribution)
+
+AC_ARG_WITH(target,
+[  --with-target=platform      Change compilation target platform (default: 
+                              autodetect; others: Linux, BSD, Cygwin)],
+  target=$withval)
+case $target in
+  Linux|linux)
+    AC_DEFINE(TARGET, TARGET_LINUX)
+    target="Linux"
+    ;;
+  BSD| bsd)
+    AC_DEFINE(TARGET, TARGET_BSD)
+    target="BSD"
+    ;;
+  Cygwin|CYGWIN|cygwin)
+    AC_DEFINE(TARGET, TARGET_CYGWIN)
+    target="cygwin"
+    ;;
+  autodetect)
+    ;;
+  *)
+    AC_MSG_ERROR([--with-target must have Linux, BSD or Cygwin as parameter.])
+    ;;
+esac
+
+AC_ARG_WITH(cachedir,
+[  --with-cachedir=dir         Default directory for pdnsd cache 
+                              (default=/var/cache/pdnsd)],
+  cachedir=$withval)
+AC_DEFINE_UNQUOTED(CACHEDIR, "$cachedir")
+AC_SUBST(cachedir)
+
+AC_ARG_ENABLE(isdn,
+[  --enable-isdn               Enable ISDN support (may cause problems on 
+                              some systems; only for Linux)],
+  test $enableval = "yes" && AC_DEFINE(ISDN_SUPPORT))
+
+AC_ARG_ENABLE(ipv4,
+[  --disable-ipv4              Disable IPv4 networking support 
+                              (default=enabled)],
+  have_ipv4=$enableval)
+
+test $have_ipv4 = "yes" && AC_DEFINE(ENABLE_IPV4)
+
+AC_ARG_ENABLE(ipv6,
+[  --enable-ipv6               Enable IPv6 networking support],
+[ if test $enableval = "yes" ; then
+    AC_DEFINE(ENABLE_IPV6)
+    if test $have_ipv4 != "yes" ; then
+      ipv4_default=0
+    fi
+  fi])
+
+AC_ARG_ENABLE(ipv4-startup,
+[  --disable-ipv4-startup      Disable IPv4 on pdnsd startup by default
+                              (default=enabled)],
+[ if test $enableval = "yes" ; then
+    ipv4_default=1
+  else
+    ipv4_default=0
+  fi])
+
+AC_ARG_ENABLE(ipv6-startup,
+[  --enable-ipv6-startup       Enable IPV6 on pdnsd startup by default
+                              (default=IPv4)],
+[ if test $enableval = "yes" ; then
+    ipv4_default=0
+  else
+    ipv4_default=1
+  fi])
+
+AC_DEFINE_UNQUOTED(DEFAULT_IPV4, $ipv4_default)
+
+AC_ARG_ENABLE(udp-queries,
+[  --disable-udp-queries       Disable udp as query method.],
+  udp_queries=$enableval)
+
+AC_ARG_ENABLE(tcp-queries,
+[  --disable-tcp-queries       Disable tcp as query method.],
+  tcp_queries=$enableval)
+
+AC_ARG_WITH(query-method,
+[  --with-query-method=qm      Specify the query method (default=udponly;
+                              others: tcponly, tcpudp, udptcp)],
+  query_m=$withval)
+case $query_m in
+  udponly|UDPonly)
+    AC_DEFINE(M_PRESET, UDP_ONLY)
+    udp_queries=yes;
+    ;;
+  tcponly|TCPonly)
+    AC_DEFINE(M_PRESET, TCP_ONLY)
+    tcp_queries=yes;
+    ;;
+  tcpudp|TCPUDP)
+    AC_DEFINE(M_PRESET, TCP_UDP)
+    udp_queries=yes;
+    tcp_queries=yes;
+    ;;
+  udptcp|UDPTCP)
+    AC_DEFINE(M_PRESET, UDP_TCP)
+    udp_queries=yes;
+    tcp_queries=yes;
+    ;;
+  *)
+    AC_MSG_ERROR([--with-query-method must have udponly, tcponly, tcpudp or udptcp as parameter.])
+    ;;
+esac
+
+test $udp_queries != "yes" && AC_DEFINE(NO_UDP_QUERIES)
+test $tcp_queries != "yes" && AC_DEFINE(NO_TCP_QUERIES)
+
+AC_ARG_ENABLE(tcp-server,
+[  --disable-tcp-server        Disable the TCP serving ability of pdnsd],
+  have_tcp_server=$enableval)
+
+test $have_tcp_server != "yes" && AC_DEFINE(NO_TCP_SERVER)
+
+AC_ARG_ENABLE(src-addr-disc,
+[  --disable-src-addr-disc     Disable the UDP source address discovery],
+    adisc=$enableval)
+
+AC_ARG_ENABLE(socket-locking,
+[  --enable-socket-locking     Enable the UDP socket locking],
+    slock=$enableval)
+
+test $slock = "yes" && AC_DEFINE(SOCKET_LOCKING)
+
+AC_ARG_ENABLE(poll,
+[  --disable-poll              Disable poll(2) and use select(2)
+                              (default=enabled)],
+   test $enableval != "yes" && AC_DEFINE(NO_POLL))
+
+AC_ARG_ENABLE(new-rrs,
+[  --disable-new-rrs           Disable new DNS RR types (obsolete, currently ignored)],
+   newrrs=$enableval)
+
+AC_ARG_ENABLE(strict-rfc2181,
+[  --enable-strict-rfc2181     Enforce strict RFC 2181 compliance],
+   test $enableval = "yes" && AC_DEFINE(RFC2181_ME_HARDER))
+
+AC_ARG_WITH(random-device,
+[  --with-random-device=device Specify random device other than 
+                              /dev/random; default: C Library random() PRNG;
+                              special value arc4random for BSD C Library
+                              arc4random function (default on FreeBSD)],
+   randomdev=$withval)
+
+if test "$randomdev" = arc4random ; then
+	AC_DEFINE(R_ARC4RANDOM)
+elif test "$randomdev" = random ; then
+	AC_DEFINE(R_RANDOM)
+elif test "$randomdev" = default ; then
+	AC_DEFINE(R_DEFAULT)
+else
+	AC_DEFINE_UNQUOTED(RANDOM_DEVICE, "$randomdev")
+fi
+
+AC_ARG_ENABLE(underscores,
+[  --enable-underscores        Allow _ in domain names (obsolete, currently ignored)],
+   underscores=$enableval)
+
+AC_ARG_WITH(default-id,
+[  --with-default-id=id        Specify default uid/gid for pdnsd 
+                              (default=nobody)],
+  def_id=$withval)
+AC_SUBST(def_id)
+
+AC_ARG_WITH(debug,
+[  --with-debug=level          Specify debugging level (0 means no debug support)],
+  AC_DEFINE_UNQUOTED(DEBUG, $withval))
+
+AC_ARG_WITH(verbosity,
+[  --with-verbosity=level      Specify default message verbosity],
+  AC_DEFINE_UNQUOTED(VERBOSITY, $withval))
+
+AC_ARG_WITH(hash-buckets,
+[  --with-hash-buckets=num     Number of hash buckets to use (default=1024).
+                              The number actually used is the smallest power of two
+                              greater or equal to the number specified here.],
+  powof2=1
+  hashsz=0
+
+  while test $powof2 -lt "$withval"
+  do
+    powof2=`expr 2 '*' $powof2`
+    hashsz=`expr $hashsz '+' 1`
+  done
+  AC_DEFINE_UNQUOTED(HASH_SZ, $hashsz)
+)
+
+AC_ARG_ENABLE(hash-debug,
+[  --enable-hash-debug         Debug hash tables (warning: massive output)],
+  test $enableval = "yes" && AC_DEFINE(DEBUG_HASH))
+
+AC_ARG_ENABLE(rcsids,
+[  --enable-rcsids             Enable RCS IDs in executables (obsolete, currently ignored)],
+  have_rcsids=$enableval)
+
+AC_ARG_WITH(tcp-qtimeout,
+[  --with-tcp-qtimeout=secs    Specify default tcp query timeout (default=30)],
+  AC_DEFINE_UNQUOTED(TCP_TIMEOUT, $withval))
+
+AC_ARG_ENABLE(tcp-subseq,
+[  --enable-tcp-subseq         Enable multiple dns querys using one
+                              tcp connection],
+  test $enableval = "yes" && AC_DEFINE(TCP_SUBSEQ))
+
+AC_ARG_WITH(par-queries,
+[  --with-par-queries=num      Specify default parallel query number (default=2)],
+  AC_DEFINE_UNQUOTED(PAR_QUERIES, $withval))
+
+AC_ARG_WITH(max-nameserver-ips,
+[  --with-max-nameserver-ips=num      Specify maximum number of IP addresses used per nameserver obtained from NS records (default=3)],
+  AC_DEFINE_UNQUOTED(MAXNAMESERVIPS, $withval))
+
+AC_ARG_ENABLE(specbuild,
+[  --enable-specbuild          Only used when building pdnsd from spec files],
+  specbuild=$enableval)
+
+AC_SUBST(specbuild)
+
+AC_ARG_WITH(thread-lib,
+[  --with-thread-lib=lib       Specify thread library, overriding automatic detection (for Linux only).
+                              Possible values: LinuxThreads,
+                              LinuxThreads2 (implements a fix for newer glibcs)
+                              or NPTL (Native POSIX Thread Library)],
+  threadlib=$withval)
+
+AC_SUBST(threadlib)
+
+dnl Checks for programs.
+AC_PROG_CC
+AM_PROG_CC_STDC
+AM_PROG_CC_C_O
+AC_PROG_INSTALL
+
+dnl For dbm subsystem libraries
+AC_PROG_RANLIB
+
+if test "$target" = "autodetect" ; then
+  AC_MSG_CHECKING([for autodetect build target])
+  uname_sys=`uname`
+  if test $? -ne 0 ; then
+    AC_MSG_RESULT([failed])
+    AC_MSG_ERROR([uname failed or was not found in path])
+  else
+    case "${uname_sys}" in
+    Linux)
+      AC_MSG_RESULT(Linux)
+      AC_DEFINE(TARGET, TARGET_LINUX)
+      target="Linux"
+      ;;
+    FreeBSD|NetBSD|OpenBSD|Darwin)
+      AC_MSG_RESULT("${uname_sys}")
+      AC_DEFINE(TARGET, TARGET_BSD)
+      target="BSD"
+      ;;
+    CYGWIN*)
+      AC_MSG_RESULT("${uname_sys}")
+      AC_DEFINE(TARGET, TARGET_CYGWIN)
+      target="cygwin"
+      ;;
+    *)
+      AC_MSG_RESULT([failed])
+      AC_MSG_ERROR(
+[Your system type could not be identified. Try setting it manually using 
+--with-target])
+      ;;
+    esac
+  fi
+fi
+
+#if test "$target" = BSD ; then
+#  uname_sys=`uname`
+#  if test "$uname_sys" = FreeBSD ; then
+#    AC_MSG_CHECKING([for FreeBSD version])
+#    osrel=`sysctl -n kern.osreldate`
+#    if test $osrel -ge 500016 ; then
+#      AC_MSG_RESULT([5.0 (>= 500016)])
+#      freebsd_pthread="5"
+#    else
+#      AC_MSG_RESULT([<=5.0 (< 500016)])
+#      freebsd_pthread="4"
+#    fi
+#  fi
+#fi
+
+if test "$adisc" = "default"; then
+  if test "$target" = "cygwin" ; then
+# Don't do UDP source address discovery on Cygwin platform by default.
+    adisc="no"
+  else
+    adisc="yes"
+  fi
+fi
+
+test "$adisc" = "yes" && AC_DEFINE(SRC_ADDR_DISC)
+
+
+dnl Checks for libraries.
+if test "$target" = "Linux"; then
+AC_MSG_CHECKING([if we can compile and link with -pthread])
+old_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -pthread"
+AC_LINK_IFELSE([
+#include <pthread.h>
+
+void *thread_func(void *data)
+{
+	*((int *)data)=1;
+	return data;
+}
+
+int main()
+{
+	pthread_t thread;
+	void *retval;
+	int val;
+
+	if(pthread_create(&thread, NULL, thread_func, &val))
+		return 1;
+
+	if(pthread_join(thread,&retval))
+		return 1;
+
+	return (*((int *)retval)!=1);
+}
+],
+  gcc_pthread_flag="yes", gcc_pthread_flag="no")
+CFLAGS="$old_CFLAGS"
+AC_MSG_RESULT([$gcc_pthread_flag])
+
+  if test "$gcc_pthread_flag" = yes ; then
+    thread_CFLAGS="-pthread"
+    AC_SUBST(thread_CFLAGS)
+  else
+    AC_CHECK_LIB(pthread, pthread_create)
+  fi
+fi
+if test "$target" = "BSD" -a `uname` != Darwin ; then
+#  if test $freebsd_pthread = 4 ; then
+    thread_CFLAGS="-pthread"
+    AC_SUBST(thread_CFLAGS)
+#  else
+#    AC_CHECK_LIB(c_r, pthread_create, , 
+#      AC_MSG_ERROR([You must have libc_r installed to build/run pdnsd!]))
+#  fi;
+fi
+
+if test "$target" = "Linux" -a "$threadlib" = default; then
+AC_MSG_CHECKING([if this is an NPTL-based system])
+old_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $thread_CFLAGS"
+AC_RUN_IFELSE([
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <pthread.h>
+
+/* All this function does is return its PID (in a roundabout way). */
+void *thread_func(void *data)
+{
+	*((int *)data)=getpid();
+	return data;
+}
+
+int main()
+{
+	pthread_t thread;
+	void *retval;
+	int err,mainpid,thrdpid;
+
+	err=pthread_create(&thread, NULL, thread_func, &thrdpid);
+	if(err) {
+		fprintf(stderr,"pthread_create failed: %s\n",strerror(err));
+		return 1;
+	}
+	err=pthread_join(thread,&retval);
+	if(err) {
+		fprintf(stderr,"pthread_join failed: %s\n",strerror(err));
+		return 1;
+	}
+	mainpid=getpid();
+	/* In LinuxThreads implementations, the pids of the threads will usually differ
+	   in a non Posix-compliant way. */
+	fprintf(stderr,"main pid=%d, thread pid=%d\n",mainpid,*((int *)retval));
+	return (*((int *)retval)!=mainpid);
+}
+],
+[
+  AC_MSG_RESULT([yes])
+  threadlib=nptl
+],
+[
+  AC_MSG_RESULT([no])
+  threadlib=linuxthreads
+],
+[
+  AC_MSG_RESULT([couldn't run test program])
+  threadlib=linuxthreads
+])
+CFLAGS="$old_CFLAGS"
+fi
+
+if test "$threadlib" = nptl -o "$threadlib" = NPTL; then
+	AC_DEFINE(THREADLIB_NPTL)
+elif test "$threadlib" = linuxthreads2 -o "$threadlib" = LinuxThreads2 -o "$threadlib" = lt2; then
+	AC_DEFINE(THREADLIB_LINUXTHREADS2)
+fi
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_HEADER_SYS_WAIT
+AC_CHECK_HEADERS(fcntl.h malloc.h sys/ioctl.h sys/time.h syslog.h unistd.h)
+AC_CHECK_HEADERS(sys/types.h sys/socket.h net/if.h netinet/in.h sys/poll.h,,,
+[#include <stdio.h>
+#if STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# if HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif
+#if HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+])
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_TYPE_PID_T
+AC_TYPE_SIZE_T
+AC_HEADER_TIME
+AC_STRUCT_TM
+AC_CHECK_TYPES(socklen_t,, AC_DEFINE(socklen_t,int),[#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>])
+AC_CHECK_TYPES([struct in6_addr, struct in_pktinfo, struct ifreq],,,[#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>])
+
+AC_MSG_CHECKING([for CPP C99 Variadic macro support])
+AC_COMPILE_IFELSE([
+#define a(...) junk(0,__VA_ARGS__)
+extern void junk(int i,...);
+int main()
+{
+  a(0);
+  a("a");
+  a(0, "a", 1);
+  return 0;
+}
+],
+  cpp_c99_variadic="yes", cpp_c99_variadic="no")
+AC_MSG_RESULT([$cpp_c99_variadic])
+if test $cpp_c99_variadic = yes; then
+  AC_DEFINE(CPP_C99_VARIADIC_MACROS)
+else
+  if test "$GCC" != yes; then
+    AC_MSG_ERROR([Compiler must support C99 or gcc variadic macros])
+  fi;
+fi
+
+dnl Checks for library functions.
+AC_FUNC_ALLOCA
+AC_PROG_GCC_TRADITIONAL
+AC_FUNC_MEMCMP
+AC_TYPE_SIGNAL
+AC_FUNC_VPRINTF
+AC_SEARCH_LIBS(nanosleep, rt)
+AC_SEARCH_LIBS(socket, socket,,,-lnsl)
+AC_SEARCH_LIBS(inet_aton, resolv)
+AC_CHECK_FUNCS(nanosleep gettimeofday mkfifo select socket strerror uname snprintf vsnprintf, true, 
+		AC_MSG_ERROR([One of the functions required for pdnsd were not found.]))
+AC_CHECK_FUNCS(poll, true, AC_DEFINE(NO_POLL))
+AC_CHECK_FUNCS(strdup strndup stpcpy stpncpy strlcpy mempcpy getline asprintf vasprintf getpwnam_r inet_ntop inet_pton)
+
+AC_OUTPUT([
+pdnsd.spec
+Makefile
+file-list.base
+contrib/Makefile
+doc/Makefile
+doc/pdnsd.8
+doc/pdnsd.conf.5
+doc/pdnsd.conf
+src/Makefile
+src/pdnsd-ctl/Makefile
+src/rc/Makefile
+src/rc/RedHat/Makefile
+src/rc/RedHat/pdnsd
+src/rc/SuSE/Makefile
+src/rc/SuSE/pdnsd
+src/rc/Debian/Makefile
+src/rc/Debian/pdnsd
+src/rc/Slackware/Makefile
+src/rc/Slackware/rc.pdnsd
+src/rc/ArchLinux/Makefile
+src/rc/ArchLinux/pdnsd
+src/test/Makefile
+PKGBUILD
+])
diff --git a/orbotservice/src/main/jni/pdnsd/contrib/Makefile.am b/orbotservice/src/main/jni/pdnsd/contrib/Makefile.am
new file mode 100644
index 0000000..5bdec20
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/contrib/Makefile.am
@@ -0,0 +1,2 @@
+
+EXTRA_DIST = pdnsd_dhcp.pl dhcp2pdnsd change_pdnsd_server_ip.pl README
diff --git a/orbotservice/src/main/jni/pdnsd/contrib/Makefile.in b/orbotservice/src/main/jni/pdnsd/contrib/Makefile.in
new file mode 100644
index 0000000..a400dfe
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/contrib/Makefile.in
@@ -0,0 +1,323 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
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+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = contrib
+DIST_COMMON = README $(srcdir)/Makefile.am $(srcdir)/Makefile.in
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+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+SOURCES =
+DIST_SOURCES =
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
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+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
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+VERSION = @VERSION@
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+def_id = @def_id@
+distribution = @distribution@
+docdir = @docdir@
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+exec_prefix = @exec_prefix@
+fullversion = @fullversion@
+host_alias = @host_alias@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+packagerelease = @packagerelease@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+specbuild = @specbuild@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+thread_CFLAGS = @thread_CFLAGS@
+threadlib = @threadlib@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+EXTRA_DIST = pdnsd_dhcp.pl dhcp2pdnsd change_pdnsd_server_ip.pl README
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu contrib/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu contrib/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
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+dvi: dvi-am
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+dvi-am:
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+html: html-am
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+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic distclean \
+	distclean-generic distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic pdf pdf-am ps ps-am uninstall uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/orbotservice/src/main/jni/pdnsd/contrib/README b/orbotservice/src/main/jni/pdnsd/contrib/README
new file mode 100644
index 0000000..19e4f44
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/contrib/README
@@ -0,0 +1,30 @@
+Last revised: 27 July 2003 by Paul Rombouts
+
+This directory contains user-contributed scripts for use with pdnsd.
+So far there are:
+
+pdnsd_dhcp.pl, save_ram.pl
+	A perl script contributed by Marko Stolle (derived from a script by
+	Mike Stella) to watch a ISC DHCPD leases file and add local records for
+	the hosts listed there. This makes pdnsd useable in a DHCP setup.
+	Please look into the script for usage instructions (you will probably
+	also need to customize some settings there).
+	For details about save_ram.pl, please look into pdnsd_dhcp.pl
+
+dhcp2pdnsd
+	A rc script for pdnsd, also by Marko Stolle. You might need to change
+	it slightly to make it run with your distro.
+
+change_pdnsd_server_ip.pl
+	A perl script contributed by Paul Rombouts for automatically updating
+	the configuration file if the DNS server configuration has changed.
+	For instance, you could place the following line in the script
+	/sbin/ifup-local
+
+	/usr/local/sbin/change_pdnsd_server_ip.pl isplabel "$DNS" /etc/pdnsd.conf
+
+	where $DNS contains the IP addresses (in comma separated format) of the
+	DNS servers obtained by DHCP negotiation. The perl script only
+	overwrites /etc/pdnsd.conf if the DNS configuration has actually
+	changed, in which case the previous configuration file is saved as
+	/etc/pdnsd.conf.save
diff --git a/orbotservice/src/main/jni/pdnsd/contrib/change_pdnsd_server_ip.pl b/orbotservice/src/main/jni/pdnsd/contrib/change_pdnsd_server_ip.pl
new file mode 100644
index 0000000..1eafca0
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/contrib/change_pdnsd_server_ip.pl
@@ -0,0 +1,124 @@
+#!/usr/bin/perl -w
+#
+# A Perl script to change the ip addresses of dns servers
+# in the pdnsd configuration file.
+#
+# Written by Paul A. Rombouts
+#
+# This file Copyright 2002, 2004 Paul A. Rombouts
+# It may be distributed under the GNU Public License, version 2, or
+# any higher version.  See section COPYING of the GNU Public license
+# for conditions under which this file may be redistributed.
+#
+
+use strict;
+
+unless(@ARGV) {die "Error: no label specified.\n"}
+my $label=shift;
+unless(@ARGV) {die "Error: no DNS addresses specified.\n"}
+my $dns_str=shift;
+my $pdnsd_conf='/etc/pdnsd.conf';
+if(@ARGV) {
+    $pdnsd_conf=shift;
+    if(@ARGV) {warn "Warning: spurious arguments ignored: @ARGV\n"}
+}
+
+#unless($label =~ /^\".*\"$/) {$label="\"$label\""}
+#unless($dns_str =~ /^\".*\"$/) {$dns_str =~ s/^[\s,]*/\"/; $dns_str =~ s/[\s,]*$/\"/}
+#unless($dns_str =~ /\"\s*\,\s*\"/) {$dns_str =~ s/[\s,]+/","/g}
+
+my @lines=();
+my $found_section=0;
+my $changed=0;
+my $ip_patt = qr/^((?:[^#]*?(?:\{|;))*?)(\s*ip\s*=\s*)("?[\w.:]+"?(?:\s*,\s*"?[\w.:]+"?)*)\s*;/;
+
+open(CONFFILE,$pdnsd_conf) or die "Can't open $pdnsd_conf: $!\n";
+
+while(<CONFFILE>) {
+    if(/^\s*server\s*\{/) {
+	my $sect_beg=$#lines+1;
+	my $sect_end;
+	my $found_label=0;
+	LOOP: {
+	    do {
+		push @lines,$_;
+		if(/^(?:.*(?:\{|;))?\s*label\s*=\s*"?\Q$label\E"?\s*;/) {
+		    if($found_label++) {
+			warn "Server section with multiple labels found.\n";
+			close(CONFFILE);
+			exit 2;
+		    }
+		}
+		if(/\}\s*$/) {
+		    $sect_end=$#lines;
+		    last LOOP;
+		}
+	    } while(<CONFFILE>);
+	}
+	unless(defined($sect_end)) {
+	    warn "Server section without proper ending found.\n";
+	    close(CONFFILE);
+	    exit 2;
+	}
+	if(!$found_label) {next}
+	if(!($found_section++)) {
+	    my $found_ip=0;
+	    for(my $i=$sect_beg; $i<=$sect_end;++$i) {
+		if($lines[$i] =~ $ip_patt) {
+		    my $matched=''; my $rest;
+		    do {
+			$rest=$';
+			if(!($found_ip++)) {
+			    if($3 eq $dns_str) {
+				$matched.=$&;
+			    }
+			    else {
+				$matched.="$1$2$dns_str;";
+				$changed=1;
+			    }
+			}
+			else {
+			    $matched.=$1;
+			    $changed=1;
+			}
+		    } while($rest =~ $ip_patt);
+		    $lines[$i] = $matched.$rest;
+		}
+	    }
+	    if(!$found_ip) {
+		unless($lines[$sect_end] =~ s/\}\s*$/ ip=$dns_str;\n$&/) {
+		    warn "Can't add ip specification to server section labeled $label.\n";
+		    close(CONFFILE);
+		    exit 2;
+		}
+		$changed=1;
+	    }
+        }
+        else {
+	    splice @lines,$sect_beg;
+	    $changed=1;
+	}
+    }
+    else {push @lines,$_}
+}
+
+close(CONFFILE) or die "Can't close $pdnsd_conf: $!\n";
+
+if(!$found_section) {
+    warn "No server sections labeled $label found.\n";
+    exit 2;
+}
+elsif(!$changed) {
+    exit 0;
+}
+
+rename($pdnsd_conf,"$pdnsd_conf.save") or die "Can't rename $pdnsd_conf: $!\n";
+
+unless((open(CONFFILE,">$pdnsd_conf") or (warn("Can't open $pdnsd_conf for writing: $!\n"),0)) and 
+       (print CONFFILE (@lines) or (warn("Can't write to $pdnsd_conf: $!\n"),0)) and
+       (close(CONFFILE) or (warn("Can't close $pdnsd_conf after writing: $!\n"),0))) {
+    rename("$pdnsd_conf.save",$pdnsd_conf) or die "Can't rename $pdnsd_conf.save: $!\n";
+    exit 3;
+}
+
+exit 1;
diff --git a/orbotservice/src/main/jni/pdnsd/contrib/dhcp2pdnsd b/orbotservice/src/main/jni/pdnsd/contrib/dhcp2pdnsd
new file mode 100644
index 0000000..73b631c
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/contrib/dhcp2pdnsd
@@ -0,0 +1,45 @@
+#! /bin/sh
+#
+# dhcp2pdnsd       Start/Stop DHCP to DNS update script
+#
+# chkconfig: 345 96 99
+# description: DHCP to DNS update script
+# processname: dhcp2pdnsd.pl
+#
+# $Id: dhcp2pdnsd,v 1.1 2001/03/25 20:01:34 tmm Exp $
+
+where="/usr/local/bin/"
+name="pdnsd_dhcp.pl"
+
+# Source function library.
+. /etc/rc.d/init.d/functions
+
+# Get config.
+. /etc/sysconfig/network
+
+# See how we were called.
+case "$1" in
+  start)
+	$where$name > /dev/null 2> /dev/null &
+	action "Starting DHCP to DNS update script: " /bin/true
+	;;
+  stop)
+        p=`ps h -C $name | awk '{print $1}'`	
+	[ $p -gt 0 ] 2> /dev/null && kill $p && action "Stopping DHCP to DNS update script: " /bin/true
+	[ $p -gt 0 ] 2> /dev/null || action "Stopping DHCP to DNS update script: " /bin/false
+	;;
+  status)
+        p=`ps h -C $name | awk '{print $1}'`
+	[ $p -gt 0 ] 2> /dev/null && echo 'running as '$p
+	[ $p -gt 0 ] 2> /dev/null || echo 'not running'
+	;;
+  restart|reload)
+	$0 stop
+	$0 start
+	;;
+  *)
+	echo "Usage: dhcp2pdnsd {start|stop|status|restart|reload}"
+	exit 1
+esac
+
+exit 0
diff --git a/orbotservice/src/main/jni/pdnsd/contrib/pdnsd_dhcp.pl b/orbotservice/src/main/jni/pdnsd/contrib/pdnsd_dhcp.pl
new file mode 100644
index 0000000..9cf0c87
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/contrib/pdnsd_dhcp.pl
@@ -0,0 +1,246 @@
+#!/usr/bin/perl
+# $Id: pdnsd_dhcp.pl,v 1.2 2001/03/25 20:01:34 tmm Exp $
+##########################################################################
+#
+# Filename:     pdnsd_dhcp.pl
+# Description:  Dynamic DNS-DHCP update script for pdnsd
+# Author: 	Mike Stella
+# Modified by:  Marko Stolle
+# Created:      November 19, 2001
+# Last Updated: February 28, 2001
+# Email:        fwd2m@xxxxxx
+#
+###########################################################################
+#
+#  This code is Copyright (c) 1998-2001 by Mike Stella and Marko Stolle
+#
+#  NO WARRANTY is given for this program.  If it doesn't
+#  work on your system, sorry.  If it eats your hard drive, 
+#  again, sorry.  It works fine on mine.  Good luck!
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+# 
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+###########################################################################
+#
+# This script reads a dhcpd.leases file and dynamically updates pdnsd with
+# hostname and ip information.  
+#
+# It assumes that your DHCP server recieves hostnames from the
+# clients, and that your clients offer their hostnames to the server.
+# Some versions of Linux DHCP clients don't do that.  I use ISC's
+# DHCPD, found at http://www.isc.org - though others may work just
+# fine.
+#
+# This version of the script updates the pdnsd database. The status
+# control socket of pdnsd has to be enabled (psnsd -d -s). 
+#
+###########################################################################
+#
+# 02/20/2001 - first working version
+# 02/21/2001 - security patches by Thomas Moestl
+# 02/22/2001 - re-read dhcpd.leases if ttl has expireds since last update
+# 02/24/2001 - try to get domainname if not specified
+# 02/28/2001 - randomized temporary filename
+#	       added possibility to save some RAM (read below)
+#
+###########################################################################
+
+
+# You may save some memory if you use absolute values with sysopen
+# in sub update_dns and don't use tmpnam().. 
+# Just switch the '#' in front of the 'until sysopen' in the sub 
+# update_dns, check the necessary modes on your system using save_ram.pl 
+# and add a '#' in front of the following three lines.
+# Not using the tmpnam() function may open a security breach on systems
+# with not absolute trustworthy local users (Risk: a user may write a 
+# script which creates files with the same names as this script and block 
+# it that way. Unlikely because the filenames are now even without tmpnam()
+# randomized and an attacker has to create a very large number of files.)
+
+use Fcntl;
+use strict;
+use POSIX qw(tmpnam);
+
+$|=1;
+
+###########################################################################
+### Globals - you can change these as needed
+
+# Domain name
+# if not changed script will try to get it from the system
+my $domain_name        = "domain";
+
+# DHCPD lease file
+my $lease_file         = "/var/lib/dhcp/dhcpd.leases";
+
+# path to pdnsd-ctl
+my $pdnsd_ctl          = "/usr/local/sbin/pdnsd-ctl";
+
+# owning name server for the newly added records
+my $nameserver         = "localhost.";
+
+# TTL (Time To Live) for the new records
+my $ttl                = "86400";
+
+# number of seconds to check the lease file for updates
+my $update_freq        = 30;
+
+my $debug = 0;
+
+###########################################################################
+### Don't mess with anything below unless you REALLY need to modify the
+### code.  And if you do, please let me know, I'm always interested in
+### in improving this program.
+
+# Make a pid file
+`echo $$ > /var/run/pdnsd_update.pid`;
+
+my $logstr;
+my $modtime = 0;
+my $temp_dir = -d '/tmp' ? '/tmp' : $ENV{TMP} || $ENV{TEMP};
+
+use vars qw (%db);
+
+my $version = "1.03";
+
+
+###########################################################################
+# Main Loop
+
+  # try to find domainname if necessary
+  if ($domain_name eq "domain") {
+   $domain_name = `dnsdomainname`;
+  }
+  else {
+   $domain_name = "$domain_name\n";
+  }
+
+while (1) {
+
+  # check the file's last updated time, if it's been changed, update
+  # the DNS and save the time. Update DNS even if there a no changes on
+  # the leases file if ttl since last DNS update has expired.  
+  # This will ALWAYS run once - on startup, since $modtime starts at zero.
+
+ 
+  my @stats = stat ($lease_file);
+
+
+  if (($stats[9] > $modtime) or (time >= $modtime+$ttl)){
+
+	# clear the old hash
+	undef %db;
+
+	printf STDERR "updating DNS with dhcpd.leases\n";
+	$modtime = time;
+	&read_lease_file;
+	&update_dns;
+  } 
+
+  # wait till next check time
+  sleep $update_freq;
+
+} # end main
+###########################################################################
+
+
+### write out the import file
+sub update_dns {
+	my ($ip, $hostname, $fname);
+
+	do { $fname = tmpnam() }
+        until sysopen(DNSFILE, $fname, O_WRONLY|O_CREAT|O_EXCL, 0600);
+#	do { $fname = "$temp_dir/d2d".int(rand(time())) }
+#	until sysopen(DNSFILE, $fname, 1|64|128, 0600);
+
+	while (($hostname,$ip) = each (%db)) {
+		print DNSFILE "$ip $hostname.$domain_name";
+	}
+	close DNSFILE;
+
+	system ("$pdnsd_ctl source $fname $nameserver $ttl");
+	unlink($fname);
+}
+
+
+### reads the lease file & makes a hash of what's in there.
+sub read_lease_file {
+
+  unless (open(LEASEFILE,$lease_file)) {
+	#`logger -t dns_update.pl error opening dhcpd lease file`;
+	print STDERR "Can't open lease file\n";
+	return;
+  }
+
+  my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
+  my $curdate = sprintf "%02d%02d%02d%02d%02d%20d%20d",
+  		($year+1900),($mon+1),$mday,$hour,$min,$sec;
+
+  ## Loop here, reading from LEASEFILE
+  while (<LEASEFILE>) {
+	my ($ip, $hostname, $mac, $enddate,$endtime);
+
+	if (/^\s*lease/i) {
+		
+	  # find ip address
+	  $_ =~ /^\s*lease\s+(\S+)/;
+	  $ip = $1;
+	  
+	  # do the rest of the block - we're interested in hostname,
+	  # mac address, and the lease time
+	  while ($_ !~ /^}/) {
+	    $_ = <LEASEFILE>;
+		# find hostname
+		if ($_ =~ /^\s*client/i) {
+		  #chomp $_;
+		  #chop $_;
+		  $_ =~ /\"(.*)\"/;
+		  $hostname = $1;
+		  
+		  # change spaces to dash, remove dots - microsoft
+		  # really needs to not do this crap
+		  $hostname =~ s/\s+/-/g;
+		  $hostname =~ s/\.//g;
+		}
+		# get the lease end date
+		elsif ($_ =~ /^\s*ends/i) {
+			$_ =~ m/^\s*ends\s+\d\s+([^;]+);/;
+			$enddate = $1;
+			$enddate =~ s|[/: ]||g;
+		}
+	  }
+	  # lowercase it - stupid dhcp clients
+	  $hostname =~ tr/[A-Z]/[a-z]/;
+
+	  ($debug < 1 ) || print STDERR "$hostname $ip $enddate $curdate\n";
+	  
+	  # Store hostname/ip in hash - this way we can do easy dupe checking
+	  if (($hostname ne "") and ($enddate > $curdate)) {
+		$db{$hostname} = $ip;
+	  }
+	}
+  }
+  close LEASEFILE;
+}
+
+### left around for testing
+sub print_db {
+  my ($key,$value);
+
+  while (($key,$value) = each (%db)) {
+	print "$key - $value\n";
+  }
+}
+
diff --git a/orbotservice/src/main/jni/pdnsd/depcomp b/orbotservice/src/main/jni/pdnsd/depcomp
new file mode 100644
index 0000000..04701da
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/depcomp
@@ -0,0 +1,530 @@
+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2005-07-09.11
+
+# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <oliva@xxxxxxxxxxxxxx>.
+
+case $1 in
+  '')
+     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+  depmode     Dependency tracking mode.
+  source      Source file read by `PROGRAMS ARGS'.
+  object      Object file output by `PROGRAMS ARGS'.
+  DEPDIR      directory where to store dependencies.
+  depfile     Dependency file to output.
+  tmpdepfile  Temporary file to use when outputing dependencies.
+  libtool     Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake@xxxxxxx>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "depcomp $scriptversion"
+    exit $?
+    ;;
+esac
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+  echo "depcomp: Variables source, object and depmode must be set" 1>&2
+  exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Some modes work just like other modes, but use different flags.  We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write.  Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+  # HP compiler uses -M and no extra arg.
+  gccflag=-M
+  depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+   # This is just like dashmstdout with a different argument.
+   dashmflag=-xM
+   depmode=dashmstdout
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff.  Hmm.
+  "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  mv "$tmpdepfile" "$depfile"
+  ;;
+
+gcc)
+## There are various ways to get dependency output from gcc.  Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+##   up in a subdir.  Having to rename by hand is ugly.
+##   (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+##   -MM, not -M (despite what the docs say).
+## - Using -M directly means running the compiler twice (even worse
+##   than renaming).
+  if test -z "$gccflag"; then
+    gccflag=-MD,
+  fi
+  "$@" -Wp,"$gccflag$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
+## The second -e expression handles DOS-style file names with drive letters.
+  sed -e 's/^[^:]*: / /' \
+      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the `deleted header file' problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header).  We avoid this by adding
+## dummy dependencies for each header file.  Too bad gcc doesn't do
+## this for us directly.
+  tr ' ' '
+' < "$tmpdepfile" |
+## Some versions of gcc put a space before the `:'.  On the theory
+## that the space means something, we add a space to the output as
+## well.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+sgi)
+  if test "$libtool" = yes; then
+    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  else
+    "$@" -MDupdate "$tmpdepfile"
+  fi
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+
+  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
+    echo "$object : \\" > "$depfile"
+
+    # Clip off the initial element (the dependent).  Don't try to be
+    # clever and replace this with sed code, as IRIX sed won't handle
+    # lines with more than a fixed number of characters (4096 in
+    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
+    # the IRIX cc adds comments like `#:fec' to the end of the
+    # dependency line.
+    tr ' ' '
+' < "$tmpdepfile" \
+    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
+    tr '
+' ' ' >> $depfile
+    echo >> $depfile
+
+    # The second pass generates a dummy entry for each header file.
+    tr ' ' '
+' < "$tmpdepfile" \
+   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+   >> $depfile
+  else
+    # The sourcefile does not contain any dependencies, so just
+    # store a dummy comment line, to avoid errors with the Makefile
+    # "include basename.Plo" scheme.
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+aix)
+  # The C for AIX Compiler uses -M and outputs the dependencies
+  # in a .u file.  In older versions, this file always lives in the
+  # current directory.  Also, the AIX compiler puts `$object:' at the
+  # start of each line; $object doesn't have directory information.
+  # Version 6 uses the directory in both cases.
+  stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
+  tmpdepfile="$stripped.u"
+  if test "$libtool" = yes; then
+    "$@" -Wc,-M
+  else
+    "$@" -M
+  fi
+  stat=$?
+
+  if test -f "$tmpdepfile"; then :
+  else
+    stripped=`echo "$stripped" | sed 's,^.*/,,'`
+    tmpdepfile="$stripped.u"
+  fi
+
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+
+  if test -f "$tmpdepfile"; then
+    outname="$stripped.o"
+    # Each line is of the form `foo.o: dependent.h'.
+    # Do two passes, one to just change these to
+    # `$object: dependent.h' and one to simply `dependent.h:'.
+    sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
+    sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
+  else
+    # The sourcefile does not contain any dependencies, so just
+    # store a dummy comment line, to avoid errors with the Makefile
+    # "include basename.Plo" scheme.
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+icc)
+  # Intel's C compiler understands `-MD -MF file'.  However on
+  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
+  # ICC 7.0 will fill foo.d with something like
+  #    foo.o: sub/foo.c
+  #    foo.o: sub/foo.h
+  # which is wrong.  We want:
+  #    sub/foo.o: sub/foo.c
+  #    sub/foo.o: sub/foo.h
+  #    sub/foo.c:
+  #    sub/foo.h:
+  # ICC 7.1 will output
+  #    foo.o: sub/foo.c sub/foo.h
+  # and will wrap long lines using \ :
+  #    foo.o: sub/foo.c ... \
+  #     sub/foo.h ... \
+  #     ...
+
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each line is of the form `foo.o: dependent.h',
+  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
+  # Do two passes, one to just change these to
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
+    sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+tru64)
+   # The Tru64 compiler uses -MD to generate dependencies as a side
+   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
+   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+   # dependencies in `foo.d' instead, so we check for that too.
+   # Subdirectories are respected.
+   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+   test "x$dir" = "x$object" && dir=
+   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+
+   if test "$libtool" = yes; then
+      # With Tru64 cc, shared objects can also be used to make a
+      # static library.  This mecanism is used in libtool 1.4 series to
+      # handle both shared and static libraries in a single compilation.
+      # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
+      #
+      # With libtool 1.5 this exception was removed, and libtool now
+      # generates 2 separate objects for the 2 libraries.  These two
+      # compilations output dependencies in in $dir.libs/$base.o.d and
+      # in $dir$base.o.d.  We have to check for both files, because
+      # one of the two compilations can be disabled.  We should prefer
+      # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+      # automatically cleaned when .libs/ is deleted, while ignoring
+      # the former would cause a distcleancheck panic.
+      tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
+      tmpdepfile2=$dir$base.o.d          # libtool 1.5
+      tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
+      tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
+      "$@" -Wc,-MD
+   else
+      tmpdepfile1=$dir$base.o.d
+      tmpdepfile2=$dir$base.d
+      tmpdepfile3=$dir$base.d
+      tmpdepfile4=$dir$base.d
+      "$@" -MD
+   fi
+
+   stat=$?
+   if test $stat -eq 0; then :
+   else
+      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+      exit $stat
+   fi
+
+   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+   do
+     test -f "$tmpdepfile" && break
+   done
+   if test -f "$tmpdepfile"; then
+      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+      # That's a tab and a space in the [].
+      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+   else
+      echo "#dummy" > "$depfile"
+   fi
+   rm -f "$tmpdepfile"
+   ;;
+
+#nosideeffect)
+  # This comment above is used by automake to tell side-effect
+  # dependency tracking mechanisms from slower ones.
+
+dashmstdout)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove `-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  test -z "$dashmflag" && dashmflag=-M
+  # Require at least two characters before searching for `:'
+  # in the target name.  This is to cope with DOS-style filenames:
+  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
+  "$@" $dashmflag |
+    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  tr ' ' '
+' < "$tmpdepfile" | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+dashXmstdout)
+  # This case only exists to satisfy depend.m4.  It is never actually
+  # run, as this mode is specially recognized in the preamble.
+  exit 1
+  ;;
+
+makedepend)
+  "$@" || exit $?
+  # Remove any Libtool call
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+  # X makedepend
+  shift
+  cleared=no
+  for arg in "$@"; do
+    case $cleared in
+    no)
+      set ""; shift
+      cleared=yes ;;
+    esac
+    case "$arg" in
+    -D*|-I*)
+      set fnord "$@" "$arg"; shift ;;
+    # Strip any option that makedepend may not understand.  Remove
+    # the object too, otherwise makedepend will parse it as a source file.
+    -*|$object)
+      ;;
+    *)
+      set fnord "$@" "$arg"; shift ;;
+    esac
+  done
+  obj_suffix="`echo $object | sed 's/^.*\././'`"
+  touch "$tmpdepfile"
+  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  sed '1,2d' "$tmpdepfile" | tr ' ' '
+' | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile" "$tmpdepfile".bak
+  ;;
+
+cpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove `-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  "$@" -E |
+    sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+       -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
+    sed '$ s: \\$::' > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  cat < "$tmpdepfile" >> "$depfile"
+  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvisualcpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o,
+  # because we must use -o when running libtool.
+  "$@" || exit $?
+  IFS=" "
+  for arg
+  do
+    case "$arg" in
+    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
+	set fnord "$@"
+	shift
+	shift
+	;;
+    *)
+	set fnord "$@" "$arg"
+	shift
+	shift
+	;;
+    esac
+  done
+  "$@" -E |
+  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
+  echo "	" >> "$depfile"
+  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+none)
+  exec "$@"
+  ;;
+
+*)
+  echo "Unknown depmode $depmode" 1>&2
+  exit 1
+  ;;
+esac
+
+exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/orbotservice/src/main/jni/pdnsd/file-list.base.in b/orbotservice/src/main/jni/pdnsd/file-list.base.in
new file mode 100644
index 0000000..409ba33
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/file-list.base.in
@@ -0,0 +1,5 @@
+%defattr(-,root,root)
+%doc AUTHORS THANKS COPYING COPYING.BSD ChangeLog ChangeLog.old INSTALL NEWS README README.par README.par.old TODO
+%config /etc/pdnsd.conf.sample
+%attr(750, @def_id@, @def_id@) %dir @cachedir@
+%attr(640, @def_id@, @def_id@) %config @cachedir@/pdnsd.cache
diff --git a/orbotservice/src/main/jni/pdnsd/install-sh b/orbotservice/src/main/jni/pdnsd/install-sh
new file mode 100644
index 0000000..4d4a951
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/install-sh
@@ -0,0 +1,323 @@
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2005-05-14.22
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# `make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.  It can only install one file at a time, a restriction
+# shared with many OS's install programs.
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit="${DOITPROG-}"
+
+# put in absolute paths if you don't have them in your path; or use env. vars.
+
+mvprog="${MVPROG-mv}"
+cpprog="${CPPROG-cp}"
+chmodprog="${CHMODPROG-chmod}"
+chownprog="${CHOWNPROG-chown}"
+chgrpprog="${CHGRPPROG-chgrp}"
+stripprog="${STRIPPROG-strip}"
+rmprog="${RMPROG-rm}"
+mkdirprog="${MKDIRPROG-mkdir}"
+
+chmodcmd="$chmodprog 0755"
+chowncmd=
+chgrpcmd=
+stripcmd=
+rmcmd="$rmprog -f"
+mvcmd="$mvprog"
+src=
+dst=
+dir_arg=
+dstarg=
+no_target_directory=
+
+usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+   or: $0 [OPTION]... SRCFILES... DIRECTORY
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+   or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+-c         (ignored)
+-d         create directories instead of installing files.
+-g GROUP   $chgrpprog installed files to GROUP.
+-m MODE    $chmodprog installed files to MODE.
+-o USER    $chownprog installed files to USER.
+-s         $stripprog installed files.
+-t DIRECTORY  install into DIRECTORY.
+-T         report an error if DSTFILE is a directory.
+--help     display this help and exit.
+--version  display version info and exit.
+
+Environment variables override the default commands:
+  CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
+"
+
+while test -n "$1"; do
+  case $1 in
+    -c) shift
+        continue;;
+
+    -d) dir_arg=true
+        shift
+        continue;;
+
+    -g) chgrpcmd="$chgrpprog $2"
+        shift
+        shift
+        continue;;
+
+    --help) echo "$usage"; exit $?;;
+
+    -m) chmodcmd="$chmodprog $2"
+        shift
+        shift
+        continue;;
+
+    -o) chowncmd="$chownprog $2"
+        shift
+        shift
+        continue;;
+
+    -s) stripcmd=$stripprog
+        shift
+        continue;;
+
+    -t) dstarg=$2
+	shift
+	shift
+	continue;;
+
+    -T) no_target_directory=true
+	shift
+	continue;;
+
+    --version) echo "$0 $scriptversion"; exit $?;;
+
+    *)  # When -d is used, all remaining arguments are directories to create.
+	# When -t is used, the destination is already specified.
+	test -n "$dir_arg$dstarg" && break
+        # Otherwise, the last argument is the destination.  Remove it from $@.
+	for arg
+	do
+          if test -n "$dstarg"; then
+	    # $@ is not empty: it contains at least $arg.
+	    set fnord "$@" "$dstarg"
+	    shift # fnord
+	  fi
+	  shift # arg
+	  dstarg=$arg
+	done
+	break;;
+  esac
+done
+
+if test -z "$1"; then
+  if test -z "$dir_arg"; then
+    echo "$0: no input file specified." >&2
+    exit 1
+  fi
+  # It's OK to call `install-sh -d' without argument.
+  # This can happen when creating conditional directories.
+  exit 0
+fi
+
+for src
+do
+  # Protect names starting with `-'.
+  case $src in
+    -*) src=./$src ;;
+  esac
+
+  if test -n "$dir_arg"; then
+    dst=$src
+    src=
+
+    if test -d "$dst"; then
+      mkdircmd=:
+      chmodcmd=
+    else
+      mkdircmd=$mkdirprog
+    fi
+  else
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+    # might cause directories to be created, which would be especially bad
+    # if $src (and thus $dsttmp) contains '*'.
+    if test ! -f "$src" && test ! -d "$src"; then
+      echo "$0: $src does not exist." >&2
+      exit 1
+    fi
+
+    if test -z "$dstarg"; then
+      echo "$0: no destination specified." >&2
+      exit 1
+    fi
+
+    dst=$dstarg
+    # Protect names starting with `-'.
+    case $dst in
+      -*) dst=./$dst ;;
+    esac
+
+    # If destination is a directory, append the input filename; won't work
+    # if double slashes aren't ignored.
+    if test -d "$dst"; then
+      if test -n "$no_target_directory"; then
+	echo "$0: $dstarg: Is a directory" >&2
+	exit 1
+      fi
+      dst=$dst/`basename "$src"`
+    fi
+  fi
+
+  # This sed command emulates the dirname command.
+  dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
+
+  # Make sure that the destination directory exists.
+
+  # Skip lots of stat calls in the usual case.
+  if test ! -d "$dstdir"; then
+    defaultIFS='
+	 '
+    IFS="${IFS-$defaultIFS}"
+
+    oIFS=$IFS
+    # Some sh's can't handle IFS=/ for some reason.
+    IFS='%'
+    set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
+    shift
+    IFS=$oIFS
+
+    pathcomp=
+
+    while test $# -ne 0 ; do
+      pathcomp=$pathcomp$1
+      shift
+      if test ! -d "$pathcomp"; then
+        $mkdirprog "$pathcomp"
+	# mkdir can fail with a `File exist' error in case several
+	# install-sh are creating the directory concurrently.  This
+	# is OK.
+	test -d "$pathcomp" || exit
+      fi
+      pathcomp=$pathcomp/
+    done
+  fi
+
+  if test -n "$dir_arg"; then
+    $doit $mkdircmd "$dst" \
+      && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
+      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
+      && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
+      && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
+
+  else
+    dstfile=`basename "$dst"`
+
+    # Make a couple of temp file names in the proper directory.
+    dsttmp=$dstdir/_inst.$$_
+    rmtmp=$dstdir/_rm.$$_
+
+    # Trap to clean up those temp files at exit.
+    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
+    trap '(exit $?); exit' 1 2 13 15
+
+    # Copy the file name to the temp name.
+    $doit $cpprog "$src" "$dsttmp" &&
+
+    # and set any options; do chmod last to preserve setuid bits.
+    #
+    # If any of these fail, we abort the whole thing.  If we want to
+    # ignore errors from any of these, just make sure not to ignore
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
+    #
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
+      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
+      && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
+      && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
+
+    # Now rename the file to the real destination.
+    { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
+      || {
+	   # The rename failed, perhaps because mv can't rename something else
+	   # to itself, or perhaps because mv is so ancient that it does not
+	   # support -f.
+
+	   # Now remove or move aside any old file at destination location.
+	   # We try this two ways since rm can't unlink itself on some
+	   # systems and the destination file might be busy for other
+	   # reasons.  In this case, the final cleanup might fail but the new
+	   # file should still install successfully.
+	   {
+	     if test -f "$dstdir/$dstfile"; then
+	       $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
+	       || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
+	       || {
+		 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
+		 (exit 1); exit 1
+	       }
+	     else
+	       :
+	     fi
+	   } &&
+
+	   # Now rename the file to the real destination.
+	   $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
+	 }
+    }
+  fi || { (exit 1); exit 1; }
+done
+
+# The final little trick to "correctly" pass the exit status to the exit trap.
+{
+  (exit 0); exit 0
+}
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/orbotservice/src/main/jni/pdnsd/missing b/orbotservice/src/main/jni/pdnsd/missing
new file mode 100644
index 0000000..894e786
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/missing
@@ -0,0 +1,360 @@
+#! /bin/sh
+# Common stub for a few missing GNU programs while installing.
+
+scriptversion=2005-06-08.21
+
+# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005
+#   Free Software Foundation, Inc.
+# Originally by Fran,cois Pinard <pinard@xxxxxxxxxxxxxxxx>, 1996.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+if test $# -eq 0; then
+  echo 1>&2 "Try \`$0 --help' for more information"
+  exit 1
+fi
+
+run=:
+
+# In the cases where this matters, `missing' is being run in the
+# srcdir already.
+if test -f configure.ac; then
+  configure_ac=configure.ac
+else
+  configure_ac=configure.in
+fi
+
+msg="missing on your system"
+
+case "$1" in
+--run)
+  # Try to run requested program, and just exit if it succeeds.
+  run=
+  shift
+  "$@" && exit 0
+  # Exit code 63 means version mismatch.  This often happens
+  # when the user try to use an ancient version of a tool on
+  # a file that requires a minimum version.  In this case we
+  # we should proceed has if the program had been absent, or
+  # if --run hadn't been passed.
+  if test $? = 63; then
+    run=:
+    msg="probably too old"
+  fi
+  ;;
+
+  -h|--h|--he|--hel|--help)
+    echo "\
+$0 [OPTION]... PROGRAM [ARGUMENT]...
+
+Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
+error status if there is no known handling for PROGRAM.
+
+Options:
+  -h, --help      display this help and exit
+  -v, --version   output version information and exit
+  --run           try to run the given command, and emulate it if it fails
+
+Supported PROGRAM values:
+  aclocal      touch file \`aclocal.m4'
+  autoconf     touch file \`configure'
+  autoheader   touch file \`config.h.in'
+  automake     touch all \`Makefile.in' files
+  bison        create \`y.tab.[ch]', if possible, from existing .[ch]
+  flex         create \`lex.yy.c', if possible, from existing .c
+  help2man     touch the output file
+  lex          create \`lex.yy.c', if possible, from existing .c
+  makeinfo     touch the output file
+  tar          try tar, gnutar, gtar, then tar without non-portable flags
+  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
+
+Send bug reports to <bug-automake@xxxxxxx>."
+    exit $?
+    ;;
+
+  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
+    echo "missing $scriptversion (GNU Automake)"
+    exit $?
+    ;;
+
+  -*)
+    echo 1>&2 "$0: Unknown \`$1' option"
+    echo 1>&2 "Try \`$0 --help' for more information"
+    exit 1
+    ;;
+
+esac
+
+# Now exit if we have it, but it failed.  Also exit now if we
+# don't have it and --version was passed (most likely to detect
+# the program).
+case "$1" in
+  lex|yacc)
+    # Not GNU programs, they don't have --version.
+    ;;
+
+  tar)
+    if test -n "$run"; then
+       echo 1>&2 "ERROR: \`tar' requires --run"
+       exit 1
+    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+       exit 1
+    fi
+    ;;
+
+  *)
+    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+       # We have it, but it failed.
+       exit 1
+    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+       # Could not run --version or --help.  This is probably someone
+       # running `$TOOL --version' or `$TOOL --help' to check whether
+       # $TOOL exists and not knowing $TOOL uses missing.
+       exit 1
+    fi
+    ;;
+esac
+
+# If it does not exist, or fails to run (possibly an outdated version),
+# try to emulate it.
+case "$1" in
+  aclocal*)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
+         to install the \`Automake' and \`Perl' packages.  Grab them from
+         any GNU archive site."
+    touch aclocal.m4
+    ;;
+
+  autoconf)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`${configure_ac}'.  You might want to install the
+         \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
+         archive site."
+    touch configure
+    ;;
+
+  autoheader)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`acconfig.h' or \`${configure_ac}'.  You might want
+         to install the \`Autoconf' and \`GNU m4' packages.  Grab them
+         from any GNU archive site."
+    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
+    test -z "$files" && files="config.h"
+    touch_files=
+    for f in $files; do
+      case "$f" in
+      *:*) touch_files="$touch_files "`echo "$f" |
+				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
+      *) touch_files="$touch_files $f.in";;
+      esac
+    done
+    touch $touch_files
+    ;;
+
+  automake*)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
+         You might want to install the \`Automake' and \`Perl' packages.
+         Grab them from any GNU archive site."
+    find . -type f -name Makefile.am -print |
+	   sed 's/\.am$/.in/' |
+	   while read f; do touch "$f"; done
+    ;;
+
+  autom4te)
+    echo 1>&2 "\
+WARNING: \`$1' is needed, but is $msg.
+         You might have modified some files without having the
+         proper tools for further handling them.
+         You can get \`$1' as part of \`Autoconf' from any GNU
+         archive site."
+
+    file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'`
+    test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`
+    if test -f "$file"; then
+	touch $file
+    else
+	test -z "$file" || exec >$file
+	echo "#! /bin/sh"
+	echo "# Created by GNU Automake missing as a replacement of"
+	echo "#  $ $@"
+	echo "exit 0"
+	chmod +x $file
+	exit 1
+    fi
+    ;;
+
+  bison|yacc)
+    echo 1>&2 "\
+WARNING: \`$1' $msg.  You should only need it if
+         you modified a \`.y' file.  You may need the \`Bison' package
+         in order for those modifications to take effect.  You can get
+         \`Bison' from any GNU archive site."
+    rm -f y.tab.c y.tab.h
+    if [ $# -ne 1 ]; then
+        eval LASTARG="\${$#}"
+	case "$LASTARG" in
+	*.y)
+	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
+	    if [ -f "$SRCFILE" ]; then
+	         cp "$SRCFILE" y.tab.c
+	    fi
+	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
+	    if [ -f "$SRCFILE" ]; then
+	         cp "$SRCFILE" y.tab.h
+	    fi
+	  ;;
+	esac
+    fi
+    if [ ! -f y.tab.h ]; then
+	echo >y.tab.h
+    fi
+    if [ ! -f y.tab.c ]; then
+	echo 'main() { return 0; }' >y.tab.c
+    fi
+    ;;
+
+  lex|flex)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified a \`.l' file.  You may need the \`Flex' package
+         in order for those modifications to take effect.  You can get
+         \`Flex' from any GNU archive site."
+    rm -f lex.yy.c
+    if [ $# -ne 1 ]; then
+        eval LASTARG="\${$#}"
+	case "$LASTARG" in
+	*.l)
+	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
+	    if [ -f "$SRCFILE" ]; then
+	         cp "$SRCFILE" lex.yy.c
+	    fi
+	  ;;
+	esac
+    fi
+    if [ ! -f lex.yy.c ]; then
+	echo 'main() { return 0; }' >lex.yy.c
+    fi
+    ;;
+
+  help2man)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+	 you modified a dependency of a manual page.  You may need the
+	 \`Help2man' package in order for those modifications to take
+	 effect.  You can get \`Help2man' from any GNU archive site."
+
+    file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
+    if test -z "$file"; then
+	file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
+    fi
+    if [ -f "$file" ]; then
+	touch $file
+    else
+	test -z "$file" || exec >$file
+	echo ".ab help2man is required to generate this page"
+	exit 1
+    fi
+    ;;
+
+  makeinfo)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified a \`.texi' or \`.texinfo' file, or any other file
+         indirectly affecting the aspect of the manual.  The spurious
+         call might also be the consequence of using a buggy \`make' (AIX,
+         DU, IRIX).  You might want to install the \`Texinfo' package or
+         the \`GNU make' package.  Grab either from any GNU archive site."
+    # The file to touch is that specified with -o ...
+    file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
+    if test -z "$file"; then
+      # ... or it is the one specified with @setfilename ...
+      infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
+      file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $infile`
+      # ... or it is derived from the source name (dir/f.texi becomes f.info)
+      test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
+    fi
+    # If the file does not exist, the user really needs makeinfo;
+    # let's fail without touching anything.
+    test -f $file || exit 1
+    touch $file
+    ;;
+
+  tar)
+    shift
+
+    # We have already tried tar in the generic part.
+    # Look for gnutar/gtar before invocation to avoid ugly error
+    # messages.
+    if (gnutar --version > /dev/null 2>&1); then
+       gnutar "$@" && exit 0
+    fi
+    if (gtar --version > /dev/null 2>&1); then
+       gtar "$@" && exit 0
+    fi
+    firstarg="$1"
+    if shift; then
+	case "$firstarg" in
+	*o*)
+	    firstarg=`echo "$firstarg" | sed s/o//`
+	    tar "$firstarg" "$@" && exit 0
+	    ;;
+	esac
+	case "$firstarg" in
+	*h*)
+	    firstarg=`echo "$firstarg" | sed s/h//`
+	    tar "$firstarg" "$@" && exit 0
+	    ;;
+	esac
+    fi
+
+    echo 1>&2 "\
+WARNING: I can't seem to be able to run \`tar' with the given arguments.
+         You may want to install GNU tar or Free paxutils, or check the
+         command line arguments."
+    exit 1
+    ;;
+
+  *)
+    echo 1>&2 "\
+WARNING: \`$1' is needed, and is $msg.
+         You might have modified some files without having the
+         proper tools for further handling them.  Check the \`README' file,
+         it often tells you about the needed prerequisites for installing
+         this package.  You may also peek at any GNU archive site, in case
+         some other package would contain this missing \`$1' program."
+    exit 1
+    ;;
+esac
+
+exit 0
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/orbotservice/src/main/jni/pdnsd/pdnsd.spec.in b/orbotservice/src/main/jni/pdnsd/pdnsd.spec.in
new file mode 100644
index 0000000..6af6cde
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/pdnsd.spec.in
@@ -0,0 +1,244 @@
+# rpmbuild spec file for pdnsd.
+# with modifications by Paul Rombouts.
+
+# Supported rpmbuild --define and --with options include:
+#
+# --with isdn                   Configure with --enable-isdn.
+#
+# --without poll                Configure with --disable-poll
+#
+# --without nptl                Configure with --with-thread-lib=linuxthreads.
+#
+# --with ipv6                   Configure with --enable-ipv6.
+#
+# --without tcpqueries          Configure with --disable-tcp-queries.
+#
+# --without debug 	        Configure with --with-debug=0.
+#
+# --define "distro <distro>" 	Configure with --with-distribution=<distro>.
+#
+# --define "run_as_user <user>" Configure with --with-default-id=<user>.
+#                               For RPMs the default <user> is "@def_id@".
+#
+# --define "run_as_uid <uid>" 	If the user defined by the previous option does not exist
+#                               when the RPM is installed, the pre-install script will try
+#                               to create a new user with numerical id <uid>.
+#
+# --define "cachedir <dir>" 	Configure with --with-cachedir=<dir>.
+#
+
+%{!?distro: %define distro @distribution@}
+
+# The default run_as ID to use
+%{!?run_as_user: %define run_as_user @def_id@}
+# By default, if a new run_as_user is to be created, we let
+# useradd choose the numerical uid, unless run_as_uid is defined.
+#define run_as_uid 96
+%{!?cachedir: %define cachedir @cachedir@}
+%define conffile %{_sysconfdir}/pdnsd.conf
+
+Summary: A caching dns proxy for small networks or dialin accounts
+Name: @PACKAGE@
+Version: @VERSION@
+Release: @packagerelease@
+License: GPLv3
+Group:  Daemons
+Source: http://members.home.nl/p.a.rombouts/pdnsd/releases/%{name}-%{version}-%{release}.tar.gz
+URL: http://members.home.nl/p.a.rombouts/pdnsd.html
+Vendor: Paul A. Rombouts
+Packager:  Paul A. Rombouts <p.a.rombouts@xxxxxxx>
+Prefix: %{_prefix}
+BuildRoot: %{_tmppath}/%{name}-%{version}-root
+
+%description
+pdnsd is a proxy DNS daemon with permanent (disk-)cache and the ability
+to serve local records. It is designed to detect network outages or hangups
+and to prevent DNS-dependent applications like Netscape Navigator from hanging.
+
+The original author of pdnsd is Thomas Moestl, but pdnsd is no longer maintained
+by him. This is an extensively revised version by Paul A. Rombouts.
+For a description of the changes see http://members.home.nl/p.a.rombouts/pdnsd.html
+and the file README.par in %{_docdir}/%{name}-%{version}
+
+%{!?distro:You can specify the target distribution when you build the source RPM. For instance, if you're building for a Red Hat system call rpmbuild with:}
+%{!?distro:  --define "distro RedHat"}
+%{?distro:This package was built for a %{distro} distribution.}
+%{!?_with_isdn:It's possible to rebuild the source RPM with isdn support using the rpmbuild option:}
+%{!?_with_isdn:  --with isdn}
+%{?_with_isdn:This package was built with isdn support enabled.}
+%{!?_with_ipv6:It's possible to rebuild the source RPM with ipv6 support using the rpmbuild option:}
+%{!?_with_ipv6:  --with ipv6}
+%{?_with_ipv6:This package was built with ipv6 support.}
+%{?_without_poll:This package was built with the select(2) function instead of poll(2).}
+
+%prep
+%setup
+
+%build
+CFLAGS="${CFLAGS:-$RPM_OPT_FLAGS -Wall}" ./configure \
+	--prefix=%{_prefix} --sysconfdir=%{_sysconfdir} --mandir=%{_mandir} \
+	--with-cachedir="%{cachedir}" \
+	%{?distro:--with-distribution=%{distro}} --enable-specbuild \
+	--with-default-id=%{run_as_user} \
+	%{?_with_isdn:--enable-isdn} \
+	%{?_without_poll:--disable-poll} \
+	%{?_without_nptl:--with-thread-lib=linuxthreads} \
+	%{?_with_ipv6:--enable-ipv6} \
+	%{?_without_tcpqueries:--disable-tcp-queries} \
+	%{?_without_debug:--with-debug=0}
+
+make
+
+%install
+%if "%{run_as_user}" != "nobody"
+[ "$(id -un)" != root ] ||
+id -u %{run_as_user} > /dev/null 2>&1 ||
+/usr/sbin/useradd -c "Proxy DNS daemon" %{?run_as_uid:-u %{run_as_uid}} \
+	-s /sbin/nologin -r -d "%{cachedir}" %{run_as_user} || {
+  set +x
+  echo "Cannot create user \"%{run_as_user}\"%{?run_as_uid: with uid=%{run_as_uid}}"
+  echo "Please select another numerical uid and rebuild with --define \"run_as_uid uid\""
+  echo "or create a user named \"%{run_as_user}\" by hand and try again."
+  exit 1
+}
+%endif
+
+rm -rf "$RPM_BUILD_ROOT"
+make DESTDIR="$RPM_BUILD_ROOT" install
+cp -f file-list.base file-list
+find doc contrib -not -type d -not -iname '*makefile' -not -name '*.am' \
+                 -not -name '*.in' -not -path 'doc/*.pl' |
+sed -e 's/^/%doc --parents /'  >> file-list
+CURDIR=$PWD; cd "$RPM_BUILD_ROOT"
+find . -not -type d '(' -not -name 'pdnsd.conf*' -or -name 'pdnsd.conf.[1-9]*' ')' \
+       -not -path '.%{_docdir}/*' -not -path './var/*' |
+sed -e 's/^\.//
+        \:/man:{
+          /\.gz$/!s/$/.gz/
+        }'  >> "$CURDIR/file-list"
+
+%clean
+rm -rf "$RPM_BUILD_ROOT"
+#rm -rf %{_builddir}/%{name}-%{srcver}
+
+%files -f file-list
+
+%pre
+# First stop any running pdnsd daemons
+%if "%{distro}" == "SuSE"
+/sbin/init.d/pdnsd stop >/dev/null 2>&1
+%endif
+%if "%{distro}" == "RedHat"
+if [ -f /var/lock/subsys/pdnsd ]; then
+  if /sbin/pidof pdnsd > /dev/null; then
+    /sbin/service pdnsd stop >/dev/null 2>&1
+    if [ "$1" -ge 2 ]; then touch /var/lock/subsys/pdnsd; fi
+  else
+    rm -f /var/lock/subsys/pdnsd
+  fi
+fi
+%endif
+
+%if "%{run_as_user}" != "nobody"
+# Add the "pdnsd" user
+id -u %{run_as_user} > /dev/null 2>&1 ||
+/usr/sbin/useradd -c "Proxy DNS daemon" %{?run_as_uid:-u %{run_as_uid}} \
+	 -s /sbin/nologin -r -d "%{cachedir}" %{run_as_user} || {
+  echo "Cannot create user \"%{run_as_user}\"%{?run_as_uid: with uid=%{run_as_uid}}"
+  echo "Please create a user named \"%{run_as_user}\" by hand and try again."
+  exit 1
+}
+[ "$(id -gn %{run_as_user})" = %{run_as_user} ] || {
+  echo "user \"%{run_as_user}\" does not have an corresponding group called \"%{run_as_user}\""
+  echo "Please change the initial group of user \"%{run_as_user}\" to \"%{run_as_user}\" and try again."
+  exit 1
+}
+
+if [ -f "%{conffile}" ] &&
+    grep -v -e '^[[:blank:]]*\(#\|\/\/\)'  "%{conffile}" |
+    grep -q -e '\<run_as[[:blank:]]*=[[:blank:]]*"\?nobody"\?[[:blank:]]*;'
+then
+    echo "An existing pdnsd configuration file %{conffile} has been detected, containing the run_as user ID \"nobody\""
+    echo "For security reasons it is recommended that pdnsd run as a seperate user \"%{run_as_user}\""
+    mv -f "%{conffile}" "%{conffile}.rpmsave" &&
+    echo "Your original %{conffile} has been saved as %{conffile}.rpmsave" &&
+    sed -e '/^[[:blank:]]*\(#\|\/\/\)/!s/\(\<run_as[[:blank:]]*=[[:blank:]]*\)"\?nobody"\?[[:blank:]]*;/\1"%{run_as_user}";/g' \
+         "%{conffile}.rpmsave" > "%{conffile}" &&
+    echo "In %{conffile} runs_as=\"nobody\" has been replaced by run_as=\"%{run_as_user}\""
+fi
+%endif
+
+if [ -f "%{cachedir}/pdnsd.cache" ]; then
+    chown -c %{run_as_user}:%{run_as_user} "%{cachedir}/pdnsd.cache"
+fi
+
+%post
+%if "%{distro}" == "SuSE"
+if [ -w /etc/rc.config ]; then
+  grep "START_PDNSD" /etc/rc.config > /dev/null
+  if [ $? -ne 0 ] ; then
+    echo -e \
+"\n\n#\n# Set to yes to start pdnsd at boot time\n#\nSTART_PDNSD=yes" \
+>> /etc/rc.config
+  fi
+fi
+%endif
+%if "%{distro}" == "RedHat"
+if [ "$1" = 1 ]; then
+  /sbin/chkconfig --add pdnsd
+fi
+%endif
+
+%preun
+%if "%{distro}" == "RedHat"
+if [ "$1" = 0 ]; then
+  /sbin/service pdnsd stop >/dev/null 2>&1
+  /sbin/chkconfig --del pdnsd
+fi
+%endif
+
+%postun
+%if "%{distro}" == "RedHat"
+if [ "$1" -ge 1 ]; then
+  /sbin/service pdnsd condrestart >/dev/null 2>&1
+fi
+%endif
+
+%changelog
+* Tue Jan 31 2012 Paul A. Rombouts <p.a.rombouts@xxxxxxx>
+- Prevent makefiles and perl scripts from being installed
+  in the documentation directory.
+* Sat Jan 28 2012 Paul A. Rombouts <p.a.rombouts@xxxxxxx>
+- Update the (Source) URLs.
+* Sat Aug  4 2007 Paul Rombouts <p.a.rombouts@xxxxxxx>
+- License is now GPL version 3
+* Fri Mar 24 2006 Paul Rombouts <p.a.rombouts@xxxxxxx>
+- Instead of using a fixed default value for run_as_uid,
+  I let useradd choose the uid if run_as_uid is undefined.
+* Thu Dec 29 2005 Paul Rombouts <p.a.rombouts@xxxxxxx>
+- TCP-query support is now compiled in by default,
+  but can be disabled using "--without tcpqueries".
+* Sun Jul 20 2003 Paul Rombouts <p.a.rombouts@xxxxxxx>
+- Changed default run_as ID from "nobody" to "pdnsd"
+* Fri Jun 20 2003 Paul Rombouts <p.a.rombouts@xxxxxxx>
+- Added configuration option for NPTL.
+* Sat Jun 07 2003 Paul Rombouts <p.a.rombouts@xxxxxxx>
+- Added automatic definition of distro using _vendor macro.
+* Thu May 22 2003 Paul Rombouts <p.a.rombouts@xxxxxxx>
+- Ensured that modification times of acconfig.h and configure.in
+  are not changed by patching to avoid unwanted reconfigure during make phase.
+* Tue May 20 2003 Paul Rombouts <p.a.rombouts@xxxxxxx>
+- Applied my customized patch file. See READ.par for details.
+* Sun May 16 2001 Thomas Moestl <tmoestl@xxxxxxx>
+- Make use of chkconfig for Red Hat (patch by Christian Engstler)
+* Sun Mar 25 2001 Thomas Moestl <tmoestl@xxxxxxx>
+- Merged SuSE fixes by Christian Engstler
+* Fri Feb 09 2001 Thomas Moestl <tmoestl@xxxxxxx>
+- Merged in a spec fix for mapage inclusion contributed by Sourav K.
+  Mandal
+* Sun Nov 26 2000 Thomas Moestl <tmoestl@xxxxxxx>
+- Added some patches contributed by Bernd Leibing
+* Tue Aug 15 2000 Thomas Moestl <tmoestl@xxxxxxx>
+- Added the distro for configure
+* Tue Jul 11 2000 Sourav K. Mandal <smandal@xxxxxxx>
+- autoconf/automake modifications
diff --git a/orbotservice/src/main/jni/pdnsd/src/Makefile.am b/orbotservice/src/main/jni/pdnsd/src/Makefile.am
new file mode 100644
index 0000000..959e669
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/Makefile.am
@@ -0,0 +1,24 @@
+
+sbin_PROGRAMS = pdnsd
+
+pdnsd_CFLAGS = -DCONFDIR='"$(sysconfdir)"' $(thread_CFLAGS)
+
+pdnsd_SOURCES = conf-parser.c conff.c consts.c debug.c dns.c dns_answer.c \
+	dns_query.c error.c helpers.c icmp.c list.c main.c netdev.c rr_types.c \
+	status.c servers.c thread.c cache.c hash.c conf-parser.h \
+	conf-keywords.h conff.h consts.h debug.h dns.h dns_answer.h \
+	dns_query.h error.h helpers.h icmp.h ipvers.h list.h netdev.h \
+	rr_types.h servers.h status.h thread.h cache.h hash.h pdnsd_assert.h \
+	freebsd_netinet_ip_icmp.h
+
+EXTRA_DIST = make_rr_types_h.pl rr_types.in
+
+## Try to do this last
+
+SUBDIRS = . pdnsd-ctl rc test
+
+$(pdnsd_OBJECTS): rr_types.h
+
+rr_types.h: make_rr_types_h.pl rr_types.in
+	perl make_rr_types_h.pl rr_types.in > rr_types.h
+
diff --git a/orbotservice/src/main/jni/pdnsd/src/Makefile.in b/orbotservice/src/main/jni/pdnsd/src/Makefile.in
new file mode 100644
index 0000000..75569a4
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/Makefile.in
@@ -0,0 +1,921 @@
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+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    test -d "$(distdir)/$$subdir" \
+	    || $(MKDIR_P) "$(distdir)/$$subdir" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    dir1=$$subdir; dir2="$(distdir)/$$subdir"; \
+	    $(am__relativize); \
+	    new_distdir=$$reldir; \
+	    dir1=$$subdir; dir2="$(top_distdir)"; \
+	    $(am__relativize); \
+	    new_top_distdir=$$reldir; \
+	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
+	    ($(am__cd) $$subdir && \
+	      $(MAKE) $(AM_MAKEFLAGS) \
+	        top_distdir="$$new_top_distdir" \
+	        distdir="$$new_distdir" \
+		am__remove_distdir=: \
+		am__skip_length_check=: \
+		am__skip_mode_fix=: \
+	        distdir) \
+	      || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-recursive
+all-am: Makefile $(PROGRAMS)
+installdirs: installdirs-recursive
+installdirs-am:
+	for dir in "$(DESTDIR)$(sbindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-recursive
+install-exec: install-exec-recursive
+install-data: install-data-recursive
+uninstall: uninstall-recursive
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-generic clean-sbinPROGRAMS mostlyclean-am
+
+distclean: distclean-recursive
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+html-am:
+
+info: info-recursive
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-recursive
+
+install-dvi-am:
+
+install-exec-am: install-sbinPROGRAMS
+
+install-html: install-html-recursive
+
+install-html-am:
+
+install-info: install-info-recursive
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-pdf-am:
+
+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am: uninstall-sbinPROGRAMS
+
+.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) ctags-recursive \
+	install-am install-strip tags-recursive
+
+.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
+	all all-am check check-am clean clean-generic \
+	clean-sbinPROGRAMS ctags ctags-recursive distclean \
+	distclean-compile distclean-generic distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-sbinPROGRAMS \
+	install-strip installcheck installcheck-am installdirs \
+	installdirs-am maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic pdf pdf-am \
+	ps ps-am tags tags-recursive uninstall uninstall-am \
+	uninstall-sbinPROGRAMS
+
+
+$(pdnsd_OBJECTS): rr_types.h
+
+rr_types.h: make_rr_types_h.pl rr_types.in
+	perl make_rr_types_h.pl rr_types.in > rr_types.h
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/orbotservice/src/main/jni/pdnsd/src/cache.c b/orbotservice/src/main/jni/pdnsd/src/cache.c
new file mode 100644
index 0000000..32d28cc
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/cache.c
@@ -0,0 +1,2731 @@
+/* cache.c - Keep the dns caches.
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2003, 2004, 2005, 2007, 2010, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <errno.h>
+#include <pthread.h>
+#include <signal.h>
+#include <string.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <sys/time.h>
+#include "cache.h"
+#include "hash.h"
+#include "conff.h"
+#include "helpers.h"
+#include "dns.h"
+#include "error.h"
+#include "debug.h"
+#include "thread.h"
+#include "ipvers.h"
+
+
+/* A version identifier to prevent reading incompatible cache files */
+static const char cachverid[] = {'p','d','1','3'};
+
+/* CACHE STRUCTURE CHANGES IN PDNSD 1.0.0
+ * Prior to version 1.0.0, the cache was managed at domain granularity (all records of a domain were handled as a unit),
+ * which was suboptimal after the lean query feature and the additional record management were included.
+ * From 1.0.0 on, the cache management was switched to act with RR set granularity. The API of the cache handlers was
+ * slightly modified, in particular the rr_bucket_t was modified and some parameter list were changed. The cache
+ * file format had to be changed and is incompatible now. This means that post-1.0.0p1 versions will not read the cache
+ * files of older versions and vice versa. In addition, cache files from 1.0.0p5 on are incompatible to those of 1.0.0p1
+ * to 1.0.0p4.  Better delete them before upgrading.
+ * The "cent" lists common to old versions have vanished; the only access point to the cent's is the hash.
+ * However, there are now double linked rrset lists. Thus, rrs can be acces through the hash or through the rrset lists.
+ * The rrset list entries need some additional entries to manage the deletion from rrs lists as well as from the cents.
+ *
+ * Nearly all cache functions had to be changed significantly or even to be rewritten for that. Expect some beta time
+ * because of that.
+ * There are bonuses visible to the users resulting from this changes however: more consistent cache handling (under
+ * some circumstances, rrs could be in the cache more than once) and reduced memory requirements, as no rr needs
+ * to have stored its oname any more. There are more pointers however, and in some cases (CNAMES) the memory require-
+ * ments for some records may increase. The total should be lower, however.
+ *
+ * RRSET_L LIST STRUCTURE:
+ * The rrset_l rrset list is a simple double-linked list. The oldest entries are at the first positions, the list is sorted
+ * by age in descending order. Search is done only on insert.
+ * The rationale for this form is:
+ * - the purging operation needs to be fast (this way, the first records are the oldest and can easily be purged)
+ * - the append operation is common and needs to be fast (in normal operation, an appended record was just retrieved
+ *   and therefore is the newest, so it can be appended at the end of the list without search. Only in the case of
+ *   reading a disk cache file, searches are necessary)
+ * The rrset list is excusively used for purging purposes.
+ *
+ * THE DISK CACHE FILES:
+ * The disk cache file consists of cent's, i.e. structures for every known hostnames with a header and rrs attached to it.
+ * Therefore, the rr's are not ordered by their age and a search must be performed to insert the into the rr_l in the
+ * right positions. This operations has some costs (although not all too much), but the other way (rrs stored in order
+ * of their age and the cent headers separated from them), the rrs would need to be attached to the cent headers, which
+ * would be even more costly, also in means of disk space.
+ *
+ * CHANGES AFTER 1.0.0p1
+ * In 1.0.0p5, the cache granularity was changed from rr level to rr set level. This was done because rfc2181 demands
+ * rr set consistency constraints on rr set level and if we are doing so we can as well save space (and eliminate some
+ * error-prone algorithms).
+ *
+ * CHANGES FOR 1.1.0p1
+ * In this version, negative caching support was introduced. Following things were changed for that:
+ * - new members ts, ttl and flags in dns_cent_t and dns_file_t
+ * - new caching flag CF_NEGATIVE
+ * - all functions must accept and deal correctly with empty cents with DF_NEGATIVE set.
+ * - all functions must accept and deal correctly with empty rrsets with CF_NEGATIVE set.
+ */
+
+
+/*
+ * This is the size the memory cache may exceed the size of the permanent cache.
+ */
+#define MCSZ 10240
+
+/* Some structs used for storing cache entries in a file. */
+typedef struct {
+	unsigned short   rdlen;
+/*	data (with length rdlen) follows here;*/
+} rr_fbucket_t;
+
+typedef struct {
+	unsigned char    tp;                      /* RR type */
+	unsigned char    num_rr;                  /* Number of records in RR set. */
+	unsigned short   flags;                   /* Flags for RR set. */
+	time_t           ttl;
+	time_t           ts;
+}  __attribute__((packed))
+rr_fset_t;
+
+#if NRRTOT>255
+#warning "Number of cache-able RR types is greater than 255. This can give problems when saving the cache to file."
+#endif
+
+typedef struct {
+	unsigned char    qlen;                    /* Length of the domain name which follows after the struct. */
+	unsigned char    num_rrs;                 /* Number of RR-sets. */
+	unsigned short   flags;                   /* Flags for the whole cent. */
+	unsigned char    c_ns,c_soa;              /* Number of trailing name elements in qname to use to find NS or SOA
+						     records to add to the authority section of a response. */
+     /* ttl and ts follow but only for negatively cached domains. */
+     /* qname (with length qlen) follows here. */
+}  __attribute__((packed))
+dns_file_t;
+
+
+/* TTL and timestamp for negatively cached domains. */
+typedef struct {
+	time_t           ttl;
+	time_t           ts;
+}  __attribute__((packed))
+dom_fttlts_t;
+
+/*
+ * This has two modes: Normally, we have rrset, cent and idx filled in;
+ * for negatively cached cents, we have rrset set to NULL and idx set to -1.
+ */
+typedef struct rr_lent_s {
+	struct rr_lent_s *next;
+	struct rr_lent_s *prev;
+	rr_set_t         *rrset;
+	dns_cent_t       *cent;
+	int              idx;    /* This is the array index, not the type of the RR-set. */
+} rr_lent_t;
+
+
+static rr_lent_t *rrset_l=NULL;
+static rr_lent_t *rrset_l_tail=NULL;
+
+/*
+ * We do not count the hash table sizes here. Those are very small compared
+ * to the cache entries.
+ */
+static volatile long cache_size=0;
+static volatile long ent_num=0;
+
+static volatile int cache_w_lock=0;
+static volatile int cache_r_lock=0;
+
+pthread_mutex_t lock_mutex = PTHREAD_MUTEX_INITIALIZER;
+/*
+ * These are condition variables for lock coordination, so that normal lock
+ * routines do not need to loop. Basically, a process wanting to acquire a lock
+ * tries first to lock, and if the lock is busy, sleeps on one of the conds.
+ * If the r lock count has gone to zero one process sleeping on the rw cond
+ * will be awankened.
+ * If the rw lock is lifted, either all threads waiting on the r lock or one
+ * thread waiting on the rw lock is/are awakened. This is determined by policy.
+ */
+pthread_cond_t  rw_cond = PTHREAD_COND_INITIALIZER;
+pthread_cond_t  r_cond = PTHREAD_COND_INITIALIZER;
+
+/* This is to suspend the r lock to avoid lock contention by reading threads */
+static volatile int r_pend=0;
+static volatile int rw_pend=0;
+static volatile int r_susp=0;
+
+/* This threshold is used to temporarily suspend r locking to give rw locking
+ * a chance. */
+#define SUSP_THRESH(r_pend) (r_pend/2+2)
+
+/*
+ * This is set to 1 once the lock is intialized. This must happen before we get
+ * multiple threads.
+ */
+volatile short int use_cache_lock=0;
+
+/*
+  This is set to 0 while cache is read from disk.
+  This must be set to 1 before we start adding new entries.
+*/
+static short int insert_sort=1;
+
+
+#ifdef ALLOC_DEBUG
+#define cache_free(ptr)		{ if (dbg) pdnsd_free(ptr); else free(ptr); }
+#define cache_malloc(sz)	((dbg)?(pdnsd_malloc(sz)):(malloc(sz)))
+#define cache_calloc(n,sz)	((dbg)?(pdnsd_calloc(n,sz)):(calloc(n,sz)))
+#define cache_realloc(ptr,sz)	((dbg)?(pdnsd_realloc(ptr,sz)):(realloc(ptr,sz)))
+#else
+#define cache_free(ptr)		{free(ptr);}
+#define cache_malloc(sz)	(malloc(sz))
+#define cache_calloc(n,sz)	(calloc(n,sz))
+#define cache_realloc(ptr,sz)	(realloc(ptr,sz))
+#endif
+
+
+/*
+ * Prototypes for internal use
+ */
+static void purge_cache(long sz, int lazy);
+static void del_cache_ent(dns_cent_t *cent,dns_hash_loc_t *loc);
+static void remove_rrl(rr_lent_t *le  DBGPARAM);
+
+/*
+ * Locking functions.
+ */
+
+/*
+ * Lock/unlock cache for reading. Concurrent reads are allowed, while writes are forbidden.
+ * DO NOT MIX THE LOCK TYPES UP WHEN LOCKING/UNLOCKING!
+ *
+ * We use a mutex to lock the access to the locks ;-).
+ * This is because we do not allow read and write to interfere (for which a normal mutex would be
+ * fine), but we also want to allow concurrent reads.
+ * We use condition variables, and readlock contention protection.
+ */
+static void lock_cache_r(void)
+{
+	if (!use_cache_lock)
+		return;
+	pthread_mutex_lock(&lock_mutex);
+	r_pend++;
+	while(((rw_pend>SUSP_THRESH(r_pend))?(r_susp=1):r_susp) || cache_w_lock) {
+		/* This will unlock the mutex while sleeping and relock it before exit */
+		pthread_cond_wait(&r_cond, &lock_mutex);
+	}
+	cache_r_lock++;
+	r_pend--;
+	pthread_mutex_unlock(&lock_mutex);
+}
+
+static void unlock_cache_r(void)
+{
+	if (!use_cache_lock)
+		return;
+	pthread_mutex_lock(&lock_mutex);
+	if (cache_r_lock>0)
+		cache_r_lock--;
+	/* wakeup threads waiting to write */
+	if (!cache_r_lock)
+		pthread_cond_signal(&rw_cond);
+	pthread_mutex_unlock(&lock_mutex);
+}
+
+/*
+ * Lock/unlock cache for reading and writing. Concurrent reads and writes are forbidden.
+ * Do this only if you actually modify the cache.
+ * DO NOT MIX THE LOCK TYPES UP WHEN LOCKING/UNLOCKING!
+ * (cant say it often enough)
+ */
+static void lock_cache_rw(void)
+{
+	if (!use_cache_lock)
+		return;
+	pthread_mutex_lock(&lock_mutex);
+	rw_pend++;
+	while(cache_w_lock || cache_r_lock) {
+		/* This will unlock the mutex while sleeping and relock it before exit */
+		pthread_cond_wait(&rw_cond, &lock_mutex);
+	}
+	cache_w_lock=1;
+	rw_pend--;
+	pthread_mutex_unlock(&lock_mutex);
+}
+
+/* Lock cache for reading and writing, or time out after tm seconds. */
+static int timedlock_cache_rw(int tm)
+{
+	int retval=0;
+	struct timeval now;
+	struct timespec timeout;
+
+	if (!use_cache_lock)
+		return 0;
+	pthread_mutex_lock(&lock_mutex);
+	gettimeofday(&now,NULL);
+	timeout.tv_sec = now.tv_sec + tm;
+	timeout.tv_nsec = now.tv_usec * 1000;
+	rw_pend++;
+	while(cache_w_lock || cache_r_lock) {
+		/* This will unlock the mutex while sleeping and relock it before exit */
+		if(pthread_cond_timedwait(&rw_cond, &lock_mutex, &timeout) == ETIMEDOUT)
+			goto cleanup_return;
+	}
+	cache_w_lock=1;
+	retval=1;
+ cleanup_return:
+	rw_pend--;
+	pthread_mutex_unlock(&lock_mutex);
+	return retval;
+}
+
+static void unlock_cache_rw(void)
+{
+	if (!use_cache_lock)
+		return;
+	pthread_mutex_lock(&lock_mutex);
+	cache_w_lock=0;
+	/* always reset r suspension (r locking code will set it again) */
+	r_susp=0;
+	/* wakeup threads waiting to read or write */
+	if (r_pend==0 || rw_pend>SUSP_THRESH(r_pend))
+		pthread_cond_signal(&rw_cond); /* schedule another rw proc */
+	else
+		pthread_cond_broadcast(&r_cond); /* let 'em all read */
+	pthread_mutex_unlock(&lock_mutex);
+}
+
+
+/*
+  If there are other threads waiting to read from or write to
+  the cache, give up the read/write lock on the cache to give another
+  thread a chance; then try to get the lock back again.
+  This can be called regularly during a process that takes
+  a lot of processor time but has low priority, in order to improve
+  overall responsiveness.
+*/
+static void yield_lock_cache_rw()
+{
+	if (!use_cache_lock || (!r_pend && !rw_pend))
+		return;
+
+	/* Give up the lock */
+	pthread_mutex_lock(&lock_mutex);
+	cache_w_lock=0;
+	/* always reset r suspension (r locking code will set it again) */
+	r_susp=0;
+	/* wakeup threads waiting to read or write */
+	if (r_pend==0 || rw_pend>SUSP_THRESH(r_pend))
+		pthread_cond_signal(&rw_cond); /* schedule another rw proc */
+	else
+		pthread_cond_broadcast(&r_cond); /* let 'em all read */
+	pthread_mutex_unlock(&lock_mutex);
+
+	usleep_r(1000);
+
+	/* Now try to get the lock back again */
+	pthread_mutex_lock(&lock_mutex);
+	rw_pend++;
+	while(cache_w_lock || cache_r_lock) {
+		/* This will unlock the mutex while sleeping and relock it before exit */
+		pthread_cond_wait(&rw_cond, &lock_mutex);
+	}
+	cache_w_lock=1;
+	rw_pend--;
+	pthread_mutex_unlock(&lock_mutex);
+}
+
+/* These are a special version of the ordinary read lock functions. The lock "soft" to avoid deadlocks: they will give up
+ * after a certain number of bad trials. You have to check the exit status though.
+ * To avoid blocking mutexes, we cannot use condition variables here. Never mind, these are only used on
+ * exit. */
+static int softlock_cache_r(void)
+{
+	if (!use_cache_lock)
+		return 0;
+	{
+		int lk=0,tr=0;
+
+		for(;;) {
+			if (!softlock_mutex(&lock_mutex))
+				return 0;
+			if(!cache_w_lock) {
+				lk=1;
+				cache_r_lock++;
+			}
+			pthread_mutex_unlock(&lock_mutex);
+			if (lk) break;
+			if (++tr>=SOFTLOCK_MAXTRIES)
+				return 0;
+			usleep_r(1000); /*give contol back to the scheduler instead of hammering the lock close*/
+		}
+	}
+	return 1;
+}
+
+/* On unlocking, we do not wake others. We are about to exit! */
+static int softunlock_cache_r(void)
+{
+	if (!use_cache_lock)
+		return 0;
+	if (!softlock_mutex(&lock_mutex))
+		return 0;
+	if (cache_r_lock>0)
+		cache_r_lock--;
+	pthread_mutex_unlock(&lock_mutex);
+	return 1;
+}
+
+static int softlock_cache_rw(void)
+{
+	if (!use_cache_lock)
+		return 0;
+	{
+		int lk=0,tr=0;
+
+		for(;;) {
+			if (!softlock_mutex(&lock_mutex))
+				return 0;
+			if (!(cache_w_lock || cache_r_lock)) {
+				lk=1;
+				cache_w_lock=1;
+			}
+			pthread_mutex_unlock(&lock_mutex);
+			if(lk) break;
+			if (++tr>=SOFTLOCK_MAXTRIES)
+				return 0;
+			usleep_r(1000); /*give contol back to the scheduler instead of hammering the lock close*/
+		}
+	}
+	return 1;
+}
+
+static int softunlock_cache_rw(void)
+{
+	if (!use_cache_lock)
+		return 0;
+	if (!softlock_mutex(&lock_mutex))
+		return 0;
+	cache_w_lock=0;
+	pthread_mutex_unlock(&lock_mutex);
+	return 1;
+}
+
+/*
+ * Serial numbers: Serial numbers are used when additional records are added to the cache: serial numbers are unique to each
+ * query, so we can determine whether data was added by the query just executed (records can coexist) or not (records must
+ * be replaced). A serial of 0 is special and will not be used by any query. All records added added authoritatively (as
+ * chunk) or read from a file can have no query in process and therefore have serial 0, which is != any other serial.
+ */
+#if 0
+unsigned long l_serial=1;
+
+unsigned long get_serial()
+{
+	unsigned long rv;
+	lock_cache_rw();
+	rv=l_serial++;
+	unlock_cache_rw();
+	return rv;
+}
+#endif
+
+/*
+ * Cache/cent handlers
+ */
+
+/* Initialize the cache. Call only once. */
+#if 0
+void init_cache()
+{
+	mk_hash_ctable();
+	mk_dns_hash();
+}
+#endif
+
+/* Initialize the cache lock. Call only once. */
+/* This is now defined as an inline function in cache.h */
+#if 0
+void init_cache_lock()
+{
+
+	use_cache_lock=1;
+}
+#endif
+
+/* Empty the cache, freeing all entries that match the include/exclude list. */
+int empty_cache(slist_array sla)
+{
+	int i;
+
+	/* Wait at most 60 seconds to obtain a lock. */
+	if(!timedlock_cache_rw(60))
+		return 0;
+
+	for(i=0; ; ) {
+		if(sla)
+			free_dns_hash_selected(i,sla);
+		else
+			free_dns_hash_bucket(i);
+		if(++i>=HASH_NUM_BUCKETS)
+			break;
+		/* Give another thread a chance */
+		yield_lock_cache_rw();
+	}
+
+	unlock_cache_rw();
+	return 1;
+}
+
+/* Delete the cache. Call only once */
+void destroy_cache()
+{
+	/* lock the cache, in case that any thread is still accessing. */
+	if(!softlock_cache_rw()) {
+		log_error("Lock failed; could not destroy cache on exit.");
+		return;
+	}
+	free_dns_hash();
+#if DEBUG>0
+	if(ent_num || cache_size) {
+		DEBUG_MSG("After destroying cache, %ld entries (%ld bytes) remaining.\n",ent_num,cache_size);
+	}
+#endif
+
+#if 0
+#if (TARGET!=TARGET_LINUX)
+	/* under Linux, this frees no resources but may hang on a crash */
+	pthread_mutex_destroy(&lock_mutex);
+	pthread_cond_destroy(&rw_cond);
+	pthread_cond_destroy(&r_cond);
+#endif
+#endif
+}
+
+/* Make a flag value for a dns_cent_t (dns cache entry) from a server record */
+/* Now defined as inline function in cache.h */
+#if 0
+unsigned int mk_flag_val(servparm_t *server)
+{
+	unsigned int fl=0;
+	if (!server->purge_cache)
+		fl|=CF_NOPURGE;
+	if (server->nocache)
+		fl|=CF_NOCACHE;
+	if (server->rootserver)
+		fl|=CF_ROOTSERV;
+	return fl;
+}
+#endif
+
+/* Initialize a dns cache record (dns_cent_t) with the query name (in
+ * transport format), a flag value, a timestamp indicating
+ * the time the query was done, and a TTL. The timestamp and TTL
+ * are only used if DF_NEGATIVE is set in the flags. Otherwise,
+ * the timestamps of the individual records are used. DF_NEGATIVE
+ * is used for whole-domain negative caching.
+ * By convention, ttl and ts should be set to 0, unless the
+ * DF_NEGATIVE bit is set. */
+int init_cent(dns_cent_t *cent, const unsigned char *qname, time_t ttl, time_t ts, unsigned flags  DBGPARAM)
+{
+	int i;
+	size_t namesz=rhnlen(qname);
+
+	cent->qname=cache_malloc(namesz);
+	if (cent->qname == NULL)
+		return 0;
+	memcpy(cent->qname,qname,namesz);
+	cent->cs=sizeof(dns_cent_t)+namesz;
+	cent->num_rrs=0;
+	cent->flags=flags;
+	if(flags&DF_NEGATIVE) {
+		cent->neg.lent=NULL;
+		cent->neg.ttl=ttl;
+		cent->neg.ts=ts;
+	}
+	else {
+		for(i=0; i<NRRMU; ++i)
+			cent->rr.rrmu[i]=NULL;
+		cent->rr.rrext=NULL;
+	}
+	cent->c_ns=cundef;
+	cent->c_soa=cundef;
+	return 1;
+}
+
+/*
+ * Create a rr record holder using the given values.
+ */
+static rr_bucket_t *create_rr(unsigned dlen, void *data  DBGPARAM)
+{
+	rr_bucket_t *rrb;
+	rrb=(rr_bucket_t *)cache_malloc(sizeof(rr_bucket_t)+dlen);
+	if (rrb == NULL)
+		return NULL;
+	rrb->next=NULL;
+
+	rrb->rdlen=dlen;
+	memcpy(rrb->data,data,dlen);
+	return rrb;
+}
+
+/*
+ * Adds an empty rrset_t with the requested data to a cent. This is exactly what you need to
+ * do to create a negatively cached cent.
+ */
+static int add_cent_rrset_by_index(dns_cent_t *cent, unsigned int idx, time_t ttl, time_t ts, unsigned flags  DBGPARAM)
+{
+	rr_set_t **rrext, **rrsetpa, *rrset;
+
+	/* If we add a rrset, even a negative one, the domain is not negative any more. */
+	if (cent->flags&DF_NEGATIVE) {
+		int i;
+		/* need to remove the cent from the lent list. */
+		if (cent->neg.lent)
+			remove_rrl(cent->neg.lent  DBGARG);
+		cent->flags &= ~DF_NEGATIVE;
+		for(i=0; i<NRRMU; ++i)
+			cent->rr.rrmu[i]=NULL;
+		cent->rr.rrext=NULL;
+	}
+
+	if(idx < NRRMU)
+		rrsetpa = &cent->rr.rrmu[idx];
+	else {
+		idx -= NRRMU;
+		PDNSD_ASSERT(idx < NRREXT, "add_cent_rrset_by_index: rr-set index out of range");
+		rrext = cent->rr.rrext;
+		if(!rrext) {
+			int i;
+			cent->rr.rrext = rrext = cache_malloc(sizeof(rr_set_t*)*NRREXT);
+			if(!rrext)
+				return 0;
+			for(i=0; i<NRREXT; ++i)
+				rrext[i]=NULL;
+			cent->cs += sizeof(rr_set_t*)*NRREXT;
+		}
+		rrsetpa = &rrext[idx];
+	}
+
+#if 0
+	if(*rrsetpa) del_rrset(*rrsetpa);
+#endif
+	*rrsetpa = rrset = cache_malloc(sizeof(rr_set_t));
+	if (!rrset)
+		return 0;
+	rrset->lent=NULL;
+	rrset->ttl=ttl;
+	rrset->ts=ts;
+	rrset->flags=flags;
+	rrset->rrs=NULL;
+	cent->cs += sizeof(rr_set_t);
+	++cent->num_rrs;
+	return 1;
+}
+
+int add_cent_rrset_by_type(dns_cent_t *cent, int type, time_t ttl, time_t ts, unsigned flags  DBGPARAM)
+{
+	int tpi = type - T_MIN;
+
+	PDNSD_ASSERT(tpi>=0 && tpi<T_NUM, "add_cent_rrset_by_type: rr type value out of range");
+	return add_cent_rrset_by_index(cent, rrlkuptab[tpi], ttl, ts, flags  DBGARG);
+}
+
+
+/*
+ * Adds a rr record to a cent. For cache.c internal use.
+ * idx is the internally used RR-set index, not the RR type!
+ */
+static int add_cent_rr_int(dns_cent_t *cent, unsigned int idx, time_t ttl, time_t ts, unsigned flags,
+			   unsigned dlen, void *data, rr_bucket_t **rtail  DBGPARAM)
+{
+	rr_bucket_t *rr;
+	rr_set_t *rrset;
+
+	if (!(rr=create_rr(dlen,data  DBGARG)))
+		return 0;
+	if(!(rtail && *rtail)) {
+		rrset = RRARR_INDEX_TESTEXT(cent,idx);
+		if (!rrset) {
+			if (!add_cent_rrset_by_index(cent, idx, ttl, ts, flags  DBGARG))
+				goto cleanup_return;
+			rrset = RRARR_INDEX(cent,idx);
+		}
+		/* do the linking work */
+		rr->next=rrset->rrs;
+		rrset->rrs=rr;
+	}
+	else {
+		/* append at the end */
+		rr->next=(*rtail)->next;
+		(*rtail)->next=rr;
+	}
+	if(rtail) *rtail=rr;
+	cent->cs += sizeof(rr_bucket_t)+rr->rdlen;
+#if DEBUG>0
+	if(debug_p) {
+		rrset = RRARR_INDEX(cent,idx);
+		if (rrset->flags&CF_NEGATIVE) {
+			char cflagstr[CFLAGSTRLEN];
+			DEBUG_MSG("Tried to add rr to a rrset with CF_NEGATIVE set! flags=%s\n",cflags2str(rrset->flags,cflagstr));
+		}
+	}
+#endif
+	return 1;
+
+ cleanup_return:
+	free_rr(*rr);
+	free(rr);
+	return 0;
+}
+
+
+/* Add an rr to a cache entry, giving the ttl, the data length, the rr type
+ * and a pointer to the data. A record is allocated, and the data is copied into
+ * it. Do this for all rrs in a cache entry.
+ * The return value will be 1 in case of success, or 0 in case of a memory allocation
+ * problem.
+ */
+int add_cent_rr(dns_cent_t *cent, int type, time_t ttl, time_t ts, unsigned flags,
+		unsigned dlen, void *data  DBGPARAM)
+{
+	int tpi;
+	unsigned int idx;
+	rr_set_t *rrset;
+	rr_bucket_t *rtail, *rrb;
+
+	if ((cent->flags&DF_LOCAL) && !(flags&CF_LOCAL))
+		return 1;  /* ignore. Local has precedence. */
+
+	tpi = type - T_MIN;
+	PDNSD_ASSERT(tpi>=0 && tpi<T_NUM, "add_cent_rr: rr type value out of range");
+	idx= rrlkuptab[tpi];
+	PDNSD_ASSERT(idx < NRRTOT, "add_cent_rr: illegal rr type value for caching");
+	rrset= RRARR_INDEX_TESTEXT(cent,idx);
+	rtail=NULL;
+
+	if (rrset) {
+		if(ttl<rrset->ttl)
+			/* The ttl timestamps should be identical.
+			   In case they are not, we will use the smallest one. */
+			rrset->ttl= ttl;
+
+		/* OK, some stupid nameservers feel inclined to return the same address twice. Grmbl... */
+		rrb=rrset->rrs;
+		while (rrb) {
+			if (rrb->rdlen==dlen && memcmp(rrb->data,data,dlen)==0)
+				return 1;
+			rtail=rrb;
+			rrb=rrb->next;
+		}
+	}
+	return add_cent_rr_int(cent,idx,ttl,ts,flags,dlen,data,&rtail  DBGARG);
+}
+
+/* Free a complete rrset including all memory. Returns the size of the memory freed */
+int del_rrset(rr_set_t *rrs  DBGPARAM)
+{
+	int rv=sizeof(rr_set_t);
+	rr_bucket_t *rrb,*rrn;
+
+	if(rrs->lent) remove_rrl(rrs->lent  DBGARG);
+	rrb=rrs->rrs;
+	while (rrb) {
+		rv+=sizeof(rr_bucket_t)+rrb->rdlen;
+		rrn=rrb->next;
+		free_rr(*rrb);
+		cache_free(rrb);
+		rrb=rrn;
+	}
+	cache_free(rrs);
+	return rv;
+}
+
+/* Remove a complete rrset from a cent, freeing the memory.
+   The second argument should be an RR-set array index, not an RR type!
+   Returns the size of the memory freed */
+static int del_cent_rrset_by_index(dns_cent_t *cent, int i  DBGPARAM)
+{
+	int rv=0;
+	rr_set_t **rrspa = RRARR_INDEX_PA_TESTEXT(cent,i);
+
+	if(rrspa) {
+		rr_set_t *rrs = *rrspa;
+		if(rrs) {
+			rv= del_rrset(rrs  DBGARG);
+			*rrspa=NULL;
+			--cent->num_rrs;
+			cent->cs -= rv;
+			cent->flags &= ~DF_AUTH;
+		}
+	}
+	return rv;
+}
+
+#if 0
+static int del_cent_rrset_by_type(dns_cent_t *cent, int type  DBGPARAM)
+{
+	return del_cent_rrset_by_index(cent, rrlkuptab[type-T_MIN]  DBGARG);
+}
+#endif
+
+#if 0
+/* Free the pointers contained in an rr record. If the rr record is on the heap,
+ * don't forget to delete itself. This is done extra mainly for extensibility
+ * -- This is not here any more. The definition is actually an empty macro in
+ * cache.h.
+ */
+void free_rr(rr_bucket_t rr)
+{
+}
+#endif
+
+/* Free all data referred by a cache entry. */
+void free_cent(dns_cent_t *cent  DBGPARAM)
+{
+	cache_free(cent->qname);
+	if(cent->flags&DF_NEGATIVE) {
+		if(cent->neg.lent)
+			remove_rrl(cent->neg.lent  DBGARG);
+	}
+	else {
+		int i;
+		for (i=0; i<NRRMU; ++i) {
+			rr_set_t *rrs=cent->rr.rrmu[i];
+			if (rrs) del_rrset(rrs  DBG0);
+		}
+		{
+			rr_set_t **rrext = cent->rr.rrext;
+			if(rrext) {
+				for(i=0; i<NRREXT; ++i) {
+					rr_set_t *rrs=rrext[i];
+					if (rrs) del_rrset(rrs  DBG0);
+				}
+				cache_free(rrext);
+			}
+		}
+	}
+}
+
+/* Same as free_cent, but is suitable as cleanup handler */
+void free_cent0(void *ptr)
+{
+	free_cent(ptr  DBG0);
+}
+
+/* Negate an existing cache entry and free any existing rr sets. */
+void negate_cent(dns_cent_t *cent, time_t ttl, time_t ts)
+{
+	int i;
+
+	if(!(cent->flags&DF_NEGATIVE)) {
+		for (i=0; i<NRRMU; ++i) {
+			rr_set_t *rrs=cent->rr.rrmu[i];
+			if (rrs) {
+				cent->cs -= del_rrset(rrs  DBG0);
+				/* cent->rr.rrmu[i]=NULL; */
+			}
+		}
+		{
+			rr_set_t **rrext = cent->rr.rrext;
+			if(rrext) {
+				for(i=0; i<NRREXT; ++i) {
+					rr_set_t *rrs=rrext[i];
+					if (rrs)
+						cent->cs -= del_rrset(rrs  DBG0);
+				}
+				cache_free(rrext);
+				/* cent->rr.rrext=NULL; */
+				cent->cs -= sizeof(rr_set_t*)*NRREXT;
+			}
+		}
+		cent->num_rrs=0;
+		cent->flags |= DF_NEGATIVE;
+		cent->neg.lent=NULL;
+	}
+
+	cent->neg.ttl=ttl;
+	cent->neg.ts=ts;
+}
+
+inline static time_t get_rrlent_ts(rr_lent_t *le)
+{
+	return (le->rrset)?(le->rrset->ts):(le->cent->neg.ts);
+}
+
+/* insert a rrset into the rr_l list. This modifies the rr_set_t if rrs is not NULL!
+ * The rrset address needs to be constant afterwards.
+ * idx is the internally used RR-set index, not the RR type!
+ * Call with locks applied. */
+static int insert_rrl(rr_set_t *rrs, dns_cent_t *cent, int idx)
+{
+	time_t ts;
+	rr_lent_t *le,*ne;
+
+	/* No need to add local records to the rr_l list, because purge_cache() ignores them anyway. */
+	if((rrs && (rrs->flags&CF_LOCAL)) || (cent->flags&DF_LOCAL))
+		return 1;
+
+	if (!(ne=malloc(sizeof(rr_lent_t))))
+		return 0;
+	ne->rrset=rrs;
+	ne->cent=cent;
+	ne->idx=idx;
+	ne->next=NULL;
+	ne->prev=NULL;
+
+	if(insert_sort) {
+		/* Since the append at the and is a very common case (and we want this case to be fast), we search back-to-forth.
+		 * Since rr_l is a list and we don't really have fast access to all elements, we do not perform an advanced algorithm
+		 * like binary search.*/
+		ts=get_rrlent_ts(ne);
+		le=rrset_l_tail;
+		while (le) {
+			if (ts>=get_rrlent_ts(le)) goto found;
+			le=le->prev;
+		}
+		/* not found, so it needs to be inserted at the start of the list. */
+		ne->next=rrset_l;
+		if (rrset_l)
+			rrset_l->prev=ne;
+		else
+			rrset_l_tail=ne;
+		rrset_l=ne;
+		goto finish;
+	found:
+		ne->next=le->next;
+		ne->prev=le;
+		if (le->next)
+			le->next->prev=ne;
+		else
+			rrset_l_tail=ne;
+		le->next=ne;
+	finish:;
+	}
+	else {
+		/* simply append at the end, sorting will be done later with a more efficient algorithm. */
+		ne->prev=rrset_l_tail;
+		if(rrset_l_tail)
+			rrset_l_tail->next=ne;
+		else
+			rrset_l=ne;
+		rrset_l_tail=ne;
+	}
+
+	if (rrs)
+		rrs->lent=ne;
+	else
+		cent->neg.lent=ne;
+
+	return 1;
+}
+
+/* Remove a rr from the rr_l list. Call with locks applied. */
+static void remove_rrl(rr_lent_t *le  DBGPARAM)
+{
+	rr_lent_t *next=le->next,*prev=le->prev;
+	if (next)
+		next->prev=prev;
+	else
+		rrset_l_tail=prev;
+	if (prev)
+		prev->next=next;
+	else
+		rrset_l=next;
+	cache_free(le);
+}
+
+
+/* Merge two sorted rr_l lists to make a larger sorted list.
+   The lists are sorted according to increasing time-stamp.
+   The back links are ignored, these must be fixed using a separate pass.
+*/
+static rr_lent_t *listmerge(rr_lent_t *p, rr_lent_t *q)
+{
+
+	if(!p)
+		return q;
+	else if(!q)
+		return p;
+	else {
+		rr_lent_t *l=NULL, **s= &l;
+
+		for(;;) {
+			if(get_rrlent_ts(p) <= get_rrlent_ts(q)) {
+				*s= p;
+				s= &p->next;
+				p= *s;
+				if(!p) {
+					*s= q;
+					break;
+				}
+			}
+			else { /* get_rrlent_ts(p) > get_rrlent_ts(q) */
+				*s= q;
+				s= &q->next;
+				q= *s;
+				if(!q) {
+					*s= p;
+					break;
+				}
+			}
+		}
+
+		return l;
+	}
+}
+
+/* Sort the rr_l list using merge sort, which can be more efficient than insertion sort used by rr_insert().
+   This algorithm is adapted from the GNU C++ STL implementation for list containers.
+   Call with locks applied.
+   Written by Paul Rombouts.
+*/
+static void sort_rrl()
+{
+	/* Do nothing unless the list has length >= 2. */
+	if(rrset_l && rrset_l->next) {
+		/* First sort the list ignoring the back links, these will be fixed later. */
+#               define NTMPSORT 32
+		/* Because we use an array of fixed length, the length of the list we can sort
+		   is bounded by pow(2,NTMPSORT)-1. */
+		rr_lent_t *tmp[NTMPSORT];  /* tmp[i] will either be NULL or point to a sorted list of length pow(2,i). */
+		rr_lent_t **fill= tmp, **end=tmp+NTMPSORT, **counter;
+		rr_lent_t *rem= rrset_l, *carry;
+
+		do {
+			carry=rem; rem=rem->next;
+			carry->next=NULL;
+			for(counter = tmp; counter!=fill && *counter!=NULL; ++counter) {
+				carry=listmerge(*counter,carry);
+				*counter=NULL;
+			}
+
+			PDNSD_ASSERT(counter!=end, "sort_rrl: tmp array overflowed");
+
+			*counter=carry;
+
+			if(counter==fill) ++fill;
+		}
+		while(rem);
+
+		/* Merge together all the remaining list fragments contained in array tmp. */
+		carry= tmp[0];
+		counter= tmp;
+		while(++counter!=fill)
+			carry=listmerge(*counter,carry);
+
+		rrset_l= carry;
+
+		{
+			/* Restore the backward links. */
+			rr_lent_t *p,*q=NULL;
+			for(p=rrset_l; p; p=p->next) {p->prev=q; q=p;}
+			rrset_l_tail=q;
+		}
+	}
+}
+
+
+/* Copy a rr_bucket_t into newly allocated memory */
+inline static rr_bucket_t *copy_rr(rr_bucket_t *rr  DBGPARAM)
+{
+	rr_bucket_t *rrn;
+	rrn=cache_malloc(sizeof(rr_bucket_t)+rr->rdlen);
+	if (rrn == NULL)
+		return NULL;
+	memcpy(rrn,rr,sizeof(rr_bucket_t)+rr->rdlen);
+	rrn->next=NULL;
+	return rrn;
+}
+
+
+/* Copy an RR set into newly allocated memory */
+static rr_set_t *copy_rrset(rr_set_t *rrset  DBGPARAM)
+{
+	rr_set_t *rrsc=cache_malloc(sizeof(rr_set_t));
+	rr_bucket_t *rr,**rrp;
+	if (rrsc) {
+		*rrsc=*rrset;
+		rrsc->lent=NULL;
+		rrp=&rrsc->rrs;
+		rr=rrset->rrs;
+		while(rr) {
+			rr_bucket_t *rrc=copy_rr(rr  DBGARG);
+			*rrp=rrc;
+			if (!rrc) goto cleanup_return;
+			rrp=&rrc->next;
+			rr=rr->next;
+		}
+	}
+	return rrsc;
+
+cleanup_return:
+	del_rrset(rrsc  DBG0);
+	return NULL;
+}
+
+
+/* Copy a cache entry into newly allocated memory */
+dns_cent_t *copy_cent(dns_cent_t *cent  DBGPARAM)
+{
+	dns_cent_t *copy;
+
+	/*
+	 * We do not debug cache internals with it, as mallocs seem to be
+	 * "lost" when they enter the cache for a longer time.
+	 */
+	if (!(copy=cache_malloc(sizeof(dns_cent_t))))
+		return NULL;
+
+	{
+		/* copy the name */
+		size_t namesz=rhnlen(cent->qname);
+		if (!(copy->qname=cache_malloc(namesz)))
+			goto free_return_null;
+
+		memcpy(copy->qname,cent->qname,namesz);
+	}
+	copy->cs= cent->cs;
+	copy->num_rrs= cent->num_rrs;
+	copy->flags= cent->flags;
+	copy->c_ns = cent->c_ns;
+	copy->c_soa= cent->c_soa;
+	if(cent->flags&DF_NEGATIVE) {
+		copy->neg.lent=NULL;
+		copy->neg.ttl= cent->neg.ttl;
+		copy->neg.ts = cent->neg.ts;
+	}
+	else {
+		int i, ilim;
+		for (i=0; i<NRRMU; ++i)
+			copy->rr.rrmu[i]=NULL;
+		copy->rr.rrext=NULL;
+
+		ilim = NRRMU;
+		if(cent->rr.rrext) {
+			rr_set_t **rrextc;
+			ilim = NRRTOT;
+			copy->rr.rrext = rrextc = cache_malloc(sizeof(rr_set_t*)*NRREXT);
+			if(!rrextc) goto free_cent_return_null;
+
+			for (i=0; i<NRREXT; ++i)
+				rrextc[i]=NULL;
+		}
+
+		for (i=0; i<ilim; ++i) {
+			rr_set_t *rrset= RRARR_INDEX(cent,i);
+			if (rrset) {
+				rr_set_t *rrsc=cache_malloc(sizeof(rr_set_t));
+				rr_bucket_t *rr,**rrp;
+				*RRARR_INDEX_PA(copy,i)=rrsc;
+				if (!rrsc)
+					goto free_cent_return_null;
+				*rrsc=*rrset;
+				rrsc->lent=NULL;
+				rrp=&rrsc->rrs;
+				rr=rrset->rrs;
+				while(rr) {
+					rr_bucket_t *rrc=copy_rr(rr  DBGARG);
+					*rrp=rrc;
+					if (!rrc) goto free_cent_return_null;
+					rrp=&rrc->next;
+					rr=rr->next;
+				}
+			}
+		}
+	}
+	return copy;
+
+ free_cent_return_null:
+	free_cent(copy  DBGARG);
+ free_return_null:
+	cache_free(copy);
+	return NULL;
+}
+
+/*
+ * Remove all timed out entries of the RR set with the given index.
+ * idx is the internally used RR-set index, not the RR type!
+ * Follow some rules based on flags etc.
+ * This will either delete the whole rrset, or will leave it as a whole (RFC2181 seems to
+ * go in that direction)
+ * This was pretty large once upon a time ;-), but now, since we operate in rrsets, was
+ * shrunk drastically.
+ * If test is zero and the record is in the cache, we need rw-locks applied.
+ * If test is nonzero, nothing will actually be deleted.
+ * Substracts the size of the freed memory from cache_size (if test is zero).
+ * Returns 1 if the rrset has been (or would have been) deleted.
+ */
+static int purge_rrset(dns_cent_t *cent, int idx, int test)
+{
+	rr_set_t *rrs= RRARR_INDEX_TESTEXT(cent,idx);
+	if (rrs && !(rrs->flags&CF_NOPURGE || rrs->flags&CF_LOCAL) && timedout(rrs)) {
+		/* well, it must go. */
+		if(!test)
+			cache_size -= del_cent_rrset_by_index(cent,idx  DBG0);
+		return 1;
+	}
+	return 0;
+}
+
+/*
+  Remove all timed out entries of alls RR sets of a cache entry.
+  The test flag works the same as in purge_rrset().
+  Substracts the size of the freed memory from cache_size, just as purge_rrset().
+  *numrrsrem is set to the number of remaining RR sets (or the number that would have remained).
+  Returns the number of items (RR sets or RR set arrays) that have been (or would have been) deleted.
+*/
+static int purge_all_rrsets(dns_cent_t *cent, int test, int *numrrsrem)
+{
+	int rv=0, numrrs=0, numrrext=0;
+
+	if(!(cent->flags&DF_NEGATIVE)) {
+		int i, ilim= RRARR_LEN(cent);
+		for(i=0; i<ilim; ++i) {
+			rr_set_t *rrs= RRARR_INDEX(cent,i);
+			if (rrs) {
+				if(!(rrs->flags&CF_NOPURGE || rrs->flags&CF_LOCAL) && timedout(rrs)) {
+					/* well, it must go. */
+					if(!test)
+						cache_size -= del_cent_rrset_by_index(cent, i  DBG0);
+					++rv;
+				}
+				else {
+					++numrrs;
+					if(i>=NRRMU) ++numrrext;
+				}
+			}
+		}
+
+		/* If the array of less frequently used RRs has become empty, free it. */
+		if(cent->rr.rrext && numrrext==0) {
+			if(!test) {
+				cache_free(cent->rr.rrext);
+				cent->rr.rrext=NULL;
+				cent->cs -= sizeof(rr_set_t*)*NRREXT;
+				cache_size -= sizeof(rr_set_t*)*NRREXT;
+			}
+			++rv;
+		}
+	}
+
+	if(numrrsrem) *numrrsrem=numrrs;
+	return rv;
+}
+
+
+/*
+ * Purge a cent, deleting timed-out rrs (following the constraints noted in "purge_rrset").
+ * Since the cent may actually become empty and be deleted, you may not use it after this call until
+ * you refetch its address from the hash (if it is still there).
+ * If test is zero and the record is in the cache, we need rw-locks applied.
+ * If test is nonzero, nothing will actually be deleted.
+ * Substracts the size of the freed memory from cache_size (if test is zero).
+ * If delete is nonzero and the cent was purged empty and no longer needed, it is removed from the cache.
+ * Returns -1 if the cent was (or would have been) completely removed,
+ * otherwise returns the number of items that were (or would have been) deleted.
+ */
+static int purge_cent(dns_cent_t *cent, int delete, int test)
+{
+	int npurge, numrrs;
+
+	npurge = purge_all_rrsets(cent,test, &numrrs);
+
+	/* If the cache entry was purged empty, delete it from the cache. */
+	if (delete && numrrs==0
+	    && (!(cent->flags&DF_NEGATIVE) ||
+		(!(cent->flags&DF_LOCAL) && timedout_nxdom(cent))))
+	{
+		if(!test)
+			del_cache_ent(cent,NULL); /* this will subtract the cent's left size from cache_size */
+		return -1;
+	}
+
+	if(!(cent->flags&DF_LOCAL)) {
+		/* Set stale references to NS or SOA records back to undefined. */
+		unsigned scnt=rhnsegcnt(cent->qname);
+		if(cent->c_ns!=cundef) {
+			rr_set_t *rrset=NULL;
+			if(cent->c_ns==scnt)
+				rrset=getrrset_NS(cent);
+			else if(cent->c_ns<scnt) {
+				dns_cent_t *ce=dns_lookup(skipsegs(cent->qname,scnt-cent->c_ns),NULL);
+				if(ce) rrset=getrrset_NS(ce);
+			}
+			if(!rrset || !rrset->rrs || (!(rrset->flags&CF_LOCAL) && timedout(rrset))) {
+				if(!test)
+					cent->c_ns=cundef;
+				++npurge;
+			}
+		}
+		if(cent->c_soa!=cundef) {
+			rr_set_t *rrset=NULL;
+			if(cent->c_soa==scnt)
+				rrset=getrrset_SOA(cent);
+			else if(cent->c_soa<scnt) {
+				dns_cent_t *ce=dns_lookup(skipsegs(cent->qname,scnt-cent->c_soa),NULL);
+				if(ce) rrset=getrrset_SOA(ce);
+			}
+			if(!rrset || !rrset->rrs || (!(rrset->flags&CF_LOCAL) && timedout(rrset))) {
+				if(!test)
+					cent->c_soa=cundef;
+				++npurge;
+			}
+		}
+	}
+
+	return npurge;
+}
+
+/*
+ * Bring cache to a size below or equal the cache size limit (sz). There are two strategies:
+ * - for cached sets with CF_NOPURGE not set: delete if timed out
+ * - additional: delete oldest sets.
+ */
+static void purge_cache(long sz, int lazy)
+{
+	rr_lent_t *le;
+
+	/* Walk the cache list from the oldest entries to the newest, deleting timed-out
+	 * records.
+	 * XXX: We walk the list a second time if this did not free up enough space - this
+	 * should be done better. */
+	le=rrset_l;
+	while (le && (!lazy || cache_size>sz)) {
+		/* Note by Paul Rombouts:
+		 * If data integrity is ensured, at most one node is removed from the rrset_l
+		 * per iteration, and this node is the one referenced by le. */
+		rr_lent_t *next=le->next;
+		if (!((le->rrset && (le->rrset->flags&CF_LOCAL)) ||
+		      (le->cent->flags&DF_LOCAL))) {
+			dns_cent_t *ce = le->cent;
+			if (le->rrset)
+				purge_rrset(ce, le->idx,0);
+			/* Side effect: if purge_rrset called del_cent_rrset then le has been freed.
+			 * ce, however, is still guaranteed to be valid. */
+			if (ce->num_rrs==0 && (!(ce->flags&DF_NEGATIVE) ||
+					       (!(ce->flags&DF_LOCAL) && timedout_nxdom(ce))))
+				del_cache_ent(ce,NULL);
+		}
+		le=next;
+	}
+	if (cache_size<=sz)
+		return;
+
+	/* we are still above the desired cache size. Well, delete records from the oldest to
+	 * the newest. This is the case where nopurge records are deleted anyway. Only local
+	 * records are kept in any case.*/
+	if(!insert_sort) {
+		sort_rrl();
+		insert_sort=1; /* use insertion sort from now on */
+	}
+
+	le=rrset_l;
+	while (le && cache_size>sz) {
+		rr_lent_t *next=le->next;
+		if (!((le->rrset && (le->rrset->flags&CF_LOCAL)) ||
+		      (le->cent->flags&DF_LOCAL))) {
+			dns_cent_t *ce = le->cent;
+			if (le->rrset)
+				cache_size -= del_cent_rrset_by_index(ce, le->idx  DBG0);
+			/* this will also delete negative cache entries */
+			if (ce->num_rrs==0)
+				del_cache_ent(ce,NULL);
+		}
+		le=next;
+	}
+}
+
+#define log_warn_read_error(f,item) \
+        log_warn("%s encountered while reading %s from disk cache file.", \
+        ferror(f)?"Error":feof(f)?"EOF":"Incomplete item",item)
+
+/*
+ * Load cache from disk and rebuild the hash tables.
+ */
+void read_disk_cache()
+{
+	/* The locks are done when we add items. */
+	dns_cent_t ce;
+	int dtsz=512;
+	unsigned char *data;
+	unsigned long cnt;
+	FILE *f;
+
+	char path[strlen(global.cache_dir)+sizeof("/pdnsd.cache")];
+
+	stpcpy(stpcpy(path,global.cache_dir),"/pdnsd.cache");
+
+	if (!(f=fopen(path,"r"))) {
+		log_warn("Could not open disk cache file %s: %s",path,strerror(errno));
+		return;
+	}
+
+	if (!(data = malloc(dtsz))) {
+		goto fclose_exit;
+	}
+
+	/* Don't use insertion sort while reading caches entries from disk, because this can be
+	   noticeably inefficient with large cache files.
+	   Entries are simply appended at the end of the rr_l list.
+	   The rr_l list is sorted using a more efficient merge sort after we are done reading.
+	*/
+	insert_sort=0;
+
+	{
+		unsigned nb;
+		char buf[sizeof(cachverid)];
+
+		/* check cache version identifier */
+		nb=fread(buf,1,sizeof(cachverid),f);
+		if (nb!=sizeof(cachverid)) {
+			/* Don't complain about empty files */
+			if(nb!=0 || !feof(f)) {
+				log_warn_read_error(f,"cache version identifier");
+			}
+			goto free_data_fclose;
+		}
+		if(memcmp(buf,cachverid,sizeof(cachverid))) {
+			log_warn("Cache file %s ignored because of incompatible version identifier",path);
+			goto free_data_fclose;
+		}
+	}
+
+	if (fread(&cnt,sizeof(cnt),1,f)!=1) {
+		log_warn_read_error(f,"entry count");
+		goto free_data_fclose;
+	}
+
+	for(;cnt>0;--cnt) {
+		dns_file_t fe;
+		dom_fttlts_t fttlts = {0,0};
+		unsigned char nb[256];
+		unsigned num_rrs;
+		unsigned char prevtp;
+		if (fread(&fe,sizeof(fe),1,f)!=1) {
+			log_warn_read_error(f,"cache entry header");
+			goto free_data_fclose;
+		}
+		if(fe.flags&DF_NEGATIVE) {
+			if (fread(&fttlts,sizeof(fttlts),1,f)!=1) {
+				log_warn_read_error(f,"cache TTL and timestamp");
+				goto free_data_fclose;
+			}
+		}
+		if (fe.qlen) {
+			int i;
+			/* Because of its type qlen should be <=255. */
+			if (fread(nb,fe.qlen,1,f)!=1) {
+				log_warn_read_error(f,"domain name");
+				goto free_data_fclose;
+			}
+			for(i=0;i<fe.qlen;) {
+				unsigned lb=nb[i];
+				if(!lb || lb>63 || (i += lb+1)>fe.qlen) {
+					log_warn("Invalid domain name encountered while reading disk cache file.");
+					goto free_data_fclose;
+				}
+			}
+		}
+		nb[fe.qlen]='\0';
+		if (!init_cent(&ce, nb, fttlts.ttl, fttlts.ts, fe.flags  DBG0)) {
+			goto free_data_fclose_exit;
+		}
+		ce.c_ns=fe.c_ns; ce.c_soa=fe.c_soa;
+
+		/* now, read the rr's */
+		prevtp=0;
+		for (num_rrs=fe.num_rrs;num_rrs;--num_rrs) {
+			rr_fset_t sh;
+			unsigned num_rr;
+			if (fread(&sh,sizeof(sh),1,f)!=1) {
+				log_warn_read_error(f,"rr header");
+				goto free_cent_data_fclose;
+			}
+			if(PDNSD_NOT_CACHED_TYPE(sh.tp)) {
+				log_warn("Invalid rr type encountered while reading disk cache file.");
+				goto free_data_fclose;
+			}
+			if(sh.tp<=prevtp) {
+				log_warn("Unexpected rr type encountered (not in strict ascending order) while reading disk cache file.");
+				goto free_data_fclose;
+			}
+			prevtp=sh.tp;
+			/* Add the rrset header in any case (needed for negative caching) */
+			if(!add_cent_rrset_by_type(&ce, sh.tp, sh.ttl, sh.ts, sh.flags  DBG0)) {
+				goto free_cent_data_fclose_exit;
+			}
+			for (num_rr=sh.num_rr;num_rr;--num_rr) {
+				rr_fbucket_t rr;
+				if (fread(&rr,sizeof(rr),1,f)!=1) {
+					log_warn_read_error(f,"rr data length");
+					goto free_cent_data_fclose;
+				}
+				if (rr.rdlen>dtsz) {
+					unsigned char *tmp;
+					dtsz=rr.rdlen;
+					tmp=realloc(data,dtsz);
+					if (!tmp) {
+						goto free_cent_data_fclose_exit;
+					}
+					data=tmp;
+				}
+				if (rr.rdlen && fread(data,rr.rdlen,1,f)!=1) {
+					log_warn_read_error(f,"rr data");
+					goto free_cent_data_fclose;
+				}
+				if (!add_cent_rr(&ce,sh.tp,sh.ttl,sh.ts,sh.flags,rr.rdlen,data  DBG0)) {
+					goto free_cent_data_fclose_exit;
+				}
+			}
+		}
+		add_cache(&ce);
+		free_cent(&ce  DBG0);
+	}
+#ifdef DEBUG_HASH
+	free(data);
+	fclose(f);
+	dumphash();
+	goto sort_return;
+#else
+	goto free_data_fclose;
+#endif
+
+ free_cent_data_fclose:
+	free_cent(&ce  DBG0);
+ free_data_fclose:
+	free(data);
+	fclose(f);
+#ifdef DEBUG_HASH
+ sort_return:
+#endif
+	/* Do we need read/write locks to sort the rr_l list?
+	   As long as at most one thread is sorting, it is OK for the other threads
+	   to read the cache, providing they do not add or delete anything.
+	*/
+	lock_cache_r();
+	if(!insert_sort) {
+		sort_rrl();
+		insert_sort=1;
+	}
+	unlock_cache_r();
+	return;
+
+ free_cent_data_fclose_exit:
+	free_cent(&ce  DBG0);
+ free_data_fclose_exit:
+	free(data);
+ fclose_exit:
+	fclose(f);
+	log_error("Out of memory in reading cache file. Exiting.");
+	pdnsd_exit();
+}
+
+/* write an rr to the file f */
+static int write_rrset(int tp, rr_set_t *rrs, FILE *f)
+{
+	rr_bucket_t *rr;
+	rr_fset_t sh;
+	rr_fbucket_t rf;
+	unsigned num_rr;
+
+	sh.tp=tp;
+
+	num_rr=0;
+	for(rr=rrs->rrs; rr && num_rr<255; rr=rr->next) ++num_rr;
+	sh.num_rr=num_rr;
+	sh.flags=rrs->flags;
+	sh.ttl=rrs->ttl;
+	sh.ts=rrs->ts;
+
+	if (fwrite(&sh,sizeof(sh),1,f)!=1) {
+		log_error("Error while writing rr header to disk cache: %s", strerror(errno));
+		return 0;
+	}
+
+	rr=rrs->rrs;
+	for(; num_rr; --num_rr) {
+		rf.rdlen=rr->rdlen;
+		if (fwrite(&rf,sizeof(rf),1,f)!=1 || (rf.rdlen && fwrite((rr->data),rf.rdlen,1,f)!=1)) {
+			log_error("Error while writing rr data to disk cache: %s", strerror(errno));
+			return 0;
+		}
+		rr=rr->next;
+	}
+
+	return 1;
+}
+
+
+/*
+ * Write cache to disk on termination. The hash table is lost and needs to be regenerated
+ * on reload.
+ *
+ * The locks are not very fine grained here, but I don't think this needs fixing as this routine
+ * is only called on exit.
+ *
+ */
+void write_disk_cache()
+{
+	int j, jlim;
+	dns_cent_t *le;
+	unsigned long en=0;
+	dns_hash_pos_t pos;
+	FILE *f;
+	unsigned long num_rrs_errs=0;
+#	define MAX_NUM_RRS_ERRS 10
+
+	char path[strlen(global.cache_dir)+sizeof("/pdnsd.cache")];
+
+	stpcpy(stpcpy(path,global.cache_dir),"/pdnsd.cache");
+
+	DEBUG_MSG("Writing cache to %s\n",path);
+
+	if (!softlock_cache_rw()) {
+		goto lock_failed;
+	}
+	/* purge cache down to allowed size*/
+	purge_cache((long)global.perm_cache*1024, 0);
+	if (!softunlock_cache_rw()) {
+		goto lock_failed;
+	}
+
+	if (!softlock_cache_r()) {
+		goto lock_failed;
+	}
+
+	if (!(f=fopen(path,"w"))) {
+		log_warn("Could not open disk cache file %s: %s",path,strerror(errno));
+		goto softunlock_return;
+	}
+
+	/* Write the cache version identifier */
+	if (fwrite(cachverid,sizeof(cachverid),1,f)!=1) {
+		log_error("Error while writing cache version identifier to disk cache: %s", strerror(errno));
+		goto fclose_unlock;
+	}
+
+	for (le=fetch_first(&pos); le; le=fetch_next(&pos)) {
+		/* count the rr's */
+		if(le->flags&DF_NEGATIVE) {
+			if(!(le->flags&DF_LOCAL))
+				++en;
+		}
+		else {
+			jlim= RRARR_LEN(le);
+			for (j=0; j<jlim; ++j) {
+				rr_set_t *rrset= RRARR_INDEX(le,j);
+				if (rrset && !(rrset->flags&CF_LOCAL)) {
+					++en;
+					break;
+				}
+			}
+		}
+	}
+	if (fwrite(&en,sizeof(en),1,f)!=1) {
+		log_error("Error while writing entry count to disk cache: %s", strerror(errno));
+		goto fclose_unlock;
+	}
+
+	for (le=fetch_first(&pos); le; le=fetch_next(&pos)) {
+		/* now, write the rr's */
+		if(le->flags&DF_NEGATIVE) {
+			if(!(le->flags&DF_LOCAL))
+				goto write_rrs;
+		}
+		else {
+			jlim= RRARR_LEN(le);
+			for (j=0; j<jlim; ++j) {
+				rr_set_t *rrset= RRARR_INDEX(le,j);
+				if (rrset && !(rrset->flags&CF_LOCAL)) {
+					goto write_rrs;
+				}
+			}
+		}
+		continue;
+	       write_rrs:
+		{
+			dns_file_t df;
+			int num_rrs;
+			const unsigned short *iterlist;
+			df.qlen=rhnlen(le->qname)-1; /* Don't include the null byte at the end */
+			df.num_rrs=0;
+			df.flags=le->flags;
+			df.c_ns=le->c_ns; df.c_soa=le->c_soa;
+			num_rrs=0;
+			jlim=RRARR_LEN(le);
+			for (j=0; j<jlim; ++j) {
+				rr_set_t *rrset= RRARR_INDEX(le,j);
+				if(rrset) {
+					++num_rrs;
+					if(!(rrset->flags&CF_LOCAL))
+						++df.num_rrs;
+				}
+			}
+			if(num_rrs!=le->num_rrs && ++num_rrs_errs<=MAX_NUM_RRS_ERRS) {
+				unsigned char buf[DNSNAMEBUFSIZE];
+				log_warn("Counted %d rr record types for %s but cached counter=%d",
+					 num_rrs,rhn2str(le->qname,buf,sizeof(buf)),le->num_rrs);
+			}
+			if (fwrite(&df,sizeof(df),1,f)!=1) {
+				log_error("Error while writing cache entry header to disk cache: %s", strerror(errno));
+				goto fclose_unlock;
+			}
+			if(le->flags&DF_NEGATIVE) {
+				dom_fttlts_t fttlts= {le->neg.ttl,le->neg.ts};
+				if (fwrite(&fttlts,sizeof(fttlts),1,f)!=1) {
+					log_error("Error while writing cache TTL and timestamp to disk cache: %s", strerror(errno));
+					goto fclose_unlock;
+				}
+			}
+			if (df.qlen && fwrite(le->qname,df.qlen,1,f)!=1) {
+				log_error("Error while writing domain name to disk cache: %s", strerror(errno));
+				goto fclose_unlock;
+			}
+
+			jlim= NRRITERLIST(le);
+			iterlist= RRITERLIST(le);
+			for (j=0; j<jlim; ++j) {
+				int tp= iterlist[j];
+				rr_set_t *rrset= getrrset_eff(le,tp);
+				if(rrset && !(rrset->flags&CF_LOCAL)) {
+					if(!write_rrset(tp,rrset,f))
+						goto fclose_unlock;
+				}
+			}
+		}
+	}
+	if(fclose(f)) {
+		log_error("Could not close cache file %s after writing cache: %s", path,strerror(errno));
+	}
+	softunlock_cache_r();
+	DEBUG_MSG("Finished writing cache to disk.\n");
+	return;
+
+ fclose_unlock:
+	fclose(f);
+ softunlock_return:
+	softunlock_cache_r();
+	return;
+
+ lock_failed:
+	crash_msg("Lock failed; could not write disk cache.");
+}
+
+/*
+ * Conflict Resolution.
+ * The first function is the actual checker; the latter two are wrappers for the respective
+ * function for convenience only.
+ *
+ * We check for conflicts by checking the new data rrset by rrset against the cent.
+ * This is not bad when considering that new records are hopefully consistent; if they are not,
+ * we might end up deleteing too much of the old data, which is probably added back through the
+ * new query, though.
+ * Having checked additions rrset by rrset, we are at least sure that the resulting record is OK.
+ * cr_check_add returns 1 if the addition is OK, 0 otherwise.
+ * This is for records that are already in the cache!
+ *
+ * idx is the internally used RR-set index, not the RR type!
+ */
+static int cr_check_add(dns_cent_t *cent, int idx, time_t ttl, time_t ts, unsigned flags)
+{
+	time_t nttl;
+	const struct rr_infos *rri;
+
+	if (flags & CF_NEGATIVE)
+		return 1;		/* no constraints here. */
+
+	nttl = 0;
+	rri = &rr_info[idx];
+
+	if (!(flags & CF_LOCAL)) {
+		int i, ilim, ncf;
+
+		if(cent->flags & DF_LOCAL)
+			return 0;   /* Local has precedence. */
+
+		ncf = 0; ilim = RRARR_LEN(cent);
+		for (i = 0; i < ilim; ++i) {
+			rr_set_t *rrs= RRARR_INDEX(cent,i);
+			/* Should be symmetric; check both ways anyway. */
+			if (rrs && !(rrs->flags & CF_NEGATIVE) &&
+			    ((rri->class & rr_info[i].excludes) ||
+			    (rri->excludes & rr_info[i].class)))
+			{
+				time_t rttl;
+				if (rrs->flags & CF_LOCAL)
+					return 0;   /* old was authoritative. */
+				++ncf;
+				rttl = rrs->ttl + rrs->ts - time(NULL);
+				if(rttl > 0) nttl += rttl;
+			}
+		}
+		if (ncf == 0)	/* no conflicts */
+			return 1;
+		/* Medium ttl of conflicting records */
+		nttl /= ncf;
+	}
+	if ((flags & CF_LOCAL) || ttl > nttl) {
+		int i, ilim= RRARR_LEN(cent);
+
+		/* Remove the old records, so that the new one can be added. */
+		for (i = 0; i < ilim; ++i) {
+			rr_set_t *rrs= RRARR_INDEX(cent,i);
+			/* Should be symmetric; check both ways anyway. */
+			if (rrs && !(rrs->flags & CF_NEGATIVE) &&
+			    ((rri->class & rr_info[i].excludes) ||
+			    (rri->excludes & rr_info[i].class))) {
+				del_cent_rrset_by_index(cent, i  DBG0);
+			}
+		}
+		return 1;
+	}
+	/* old records precede */
+	return 0;
+}
+
+
+inline static void adjust_ttl(rr_set_t *rrset)
+{
+	if (rrset->flags&CF_NOCACHE) {
+		rrset->flags &= ~CF_NOCACHE;
+		rrset->ttl=0;
+	}
+	else {
+		time_t min_ttl= global.min_ttl, neg_ttl=global.neg_ttl;
+		if((rrset->flags&CF_NEGATIVE) && neg_ttl<min_ttl)
+			min_ttl=neg_ttl;
+		if(rrset->ttl<min_ttl)
+			rrset->ttl=min_ttl;
+		else {
+			time_t max_ttl= global.max_ttl;
+			if(rrset->ttl>max_ttl)
+				rrset->ttl=max_ttl;
+		}
+	}
+}
+
+
+/* Only use for negatively cached domains, thus only
+   if the DF_NEGATIVE bit is set! */
+inline static void adjust_dom_ttl(dns_cent_t *cent)
+{
+	if (cent->flags&DF_NOCACHE) {
+		cent->flags &= ~DF_NOCACHE;
+		cent->neg.ttl=0;
+	}
+	else {
+		time_t min_ttl= global.min_ttl, neg_ttl=global.neg_ttl;
+		if(/* (cent->flags&DF_NEGATIVE) && */ neg_ttl<min_ttl)
+			min_ttl=neg_ttl;
+		if(cent->neg.ttl<min_ttl)
+			cent->neg.ttl=min_ttl;
+		else {
+			time_t max_ttl= global.max_ttl;
+			if(cent->neg.ttl>max_ttl)
+				cent->neg.ttl=max_ttl;
+		}
+	}
+}
+
+/*
+ * Add a ready built dns_cent_t to the hashes, purge if necessary to not exceed cache size
+ * limits, and add the entries to the hashes.
+ * As memory is already reserved for the rrs, we only need to wrap up the dns_cent_t and
+ * alloc memory for it.
+ * New entries are appended, so we easiliy know the oldest for purging. For fast acces,
+ * we use hashes instead of ordered storage.
+ *
+ * This does not free the argument, and it uses a copy of it, so the caller must do free_cent()
+ * on it.
+ *
+ * The new entries rr sets replace the old ones, i.e. old rr sets with the same key are deleted
+ * before the new ones are added.
+ */
+void add_cache(dns_cent_t *cent)
+{
+	dns_cent_t *ce;
+	dns_hash_loc_t loc;
+	int i,ilim;
+
+	lock_cache_rw();
+ retry:
+	if (!(ce=dns_lookup(cent->qname,&loc))) {
+		/* if the new entry doesn't contain any information,
+		   don't try to add it to the cache because purge_cache() will not
+		   be able to get rid of it.
+		*/
+		if(cent->num_rrs==0 && !(cent->flags&DF_NEGATIVE))
+			goto purge_cache_return;
+
+		if(!(ce=copy_cent(cent  DBG0)))
+			goto warn_unlock_cache_return;
+
+		if(!(ce->flags&DF_NEGATIVE)) {
+			ilim= RRARR_LEN(ce);
+			/* Add the rrs to the rr list */
+			for (i=0; i<ilim; ++i) {
+				rr_set_t *rrset= RRARR_INDEX(ce,i);
+				if (rrset) {
+					adjust_ttl(rrset);
+					if (!insert_rrl(rrset,ce,i))
+						goto free_cent_unlock_cache_return;
+				}
+			}
+		}
+		else {
+			/* If this domain is negatively cached, add the cent to the rr_l list. */
+			adjust_dom_ttl(ce);
+			if (!insert_rrl(NULL,ce,-1))
+				goto free_cent_unlock_cache_return;
+		}
+		if (!add_dns_hash(ce,&loc))
+			goto free_cent_unlock_cache_return;
+		++ent_num;
+	} else {
+		if (cent->flags&DF_NEGATIVE) {
+			/* the new entry is negative. So, we need to delete the whole cent,
+			 * and then generate a new one. */
+			ilim= RRARR_LEN(ce);
+			for (i=0; i<ilim; ++i) {
+				rr_set_t *cerrs= RRARR_INDEX(ce,i);
+				if (cerrs && cerrs->flags&CF_LOCAL) {
+					goto unlock_cache_return; /* Do not clobber local records */
+				}
+			}
+			del_cache_ent(ce,&loc);
+			goto retry;
+		}
+		purge_cent(ce, 0,0);
+		/* We have a record; add the rrsets replacing old ones */
+		cache_size-=ce->cs;
+
+		ilim= RRARR_LEN(cent);
+		for (i=0; i<ilim; ++i) {
+			rr_set_t *centrrs= RRARR_INDEX(cent,i);
+			if(centrrs) {
+				rr_set_t *cerrs= RRARR_INDEX_TESTEXT(ce,i);
+				/* Local records have precedence.
+				   Records from answer sections have precedence over additional (off-topic) records.
+				   Answers obtained from root servers have precedence over additional records
+				   from other servers. */
+				if (!(cerrs &&
+				      ((!(centrrs->flags&CF_LOCAL) && (cerrs->flags&CF_LOCAL)) ||
+				       ((centrrs->flags&CF_ADDITIONAL) && (!(cerrs->flags&CF_ADDITIONAL) ||
+									   (!(centrrs->flags&CF_ROOTSERV) &&
+									    (cerrs->flags&CF_ROOTSERV))) &&
+					!timedout(cerrs)))))
+				{
+					rr_bucket_t *rr,*rtail;
+
+					del_cent_rrset_by_index(ce,i  DBG0);
+
+					if (!cr_check_add(ce, i, centrrs->ttl, centrrs->ts, centrrs->flags))
+						continue;  /* the new record has been deleted as a conflict resolution measure. */
+
+					/* pre-initialize a rrset_t for the case we have a negative cached
+					 * rrset, in which case no further rrs will be added. */
+					if (!add_cent_rrset_by_index(ce, i, centrrs->ttl, centrrs->ts, centrrs->flags  DBG0)) {
+						goto addsize_unlock_cache_return;
+					}
+					rtail=NULL;
+					for (rr=centrrs->rrs; rr; rr=rr->next) {
+						if (!add_cent_rr_int(ce,i,centrrs->ttl, centrrs->ts, centrrs->flags,
+								     rr->rdlen, rr->data, &rtail  DBG0))
+						{
+							/* cleanup this entry */
+							goto cleanup_cent_unlock_cache_return;
+						}
+					}
+					cerrs= RRARR_INDEX(ce,i);
+					adjust_ttl(cerrs);
+					if (!insert_rrl(cerrs,ce,i)) {
+						goto cleanup_cent_unlock_cache_return;
+					}
+				}
+			}
+		}
+		ce->flags |= (cent->flags&(DF_AUTH|DF_WILD));
+		if(cent->c_ns!=cundef && (ce->c_ns==cundef || ce->c_ns<cent->c_ns))
+			ce->c_ns=cent->c_ns;
+		if(cent->c_soa!=cundef && (ce->c_soa==cundef || ce->c_soa<cent->c_soa))
+			ce->c_soa=cent->c_soa;
+	}
+
+	cache_size += ce->cs;
+ purge_cache_return:
+	purge_cache((long)global.perm_cache*1024+MCSZ, 1);
+	goto unlock_cache_return;
+
+ cleanup_cent_unlock_cache_return:
+	del_cent_rrset_by_index(ce, i  DBG0);
+ addsize_unlock_cache_return:
+	cache_size += ce->cs;
+	goto warn_unlock_cache_return;
+
+ free_cent_unlock_cache_return:
+	free_cent(ce  DBG0);
+	pdnsd_free(ce);
+ warn_unlock_cache_return:
+	log_warn("Out of cache memory.");
+ unlock_cache_return:
+	unlock_cache_rw();
+}
+
+/*
+  Convert A (and AAAA) records in a ready built cache entry to PTR records suitable for reverse resolving
+  of numeric addresses and add them to the cache.
+*/
+int add_reverse_cache(dns_cent_t * cent)
+{
+	int tp=T_A;
+	rr_set_t *rrset= getrrset_A(cent);
+
+	for(;;) {
+		if(rrset) {
+			rr_bucket_t *rr;
+			for(rr=rrset->rrs; rr; rr=rr->next) {
+				dns_cent_t ce;
+				unsigned char buf[DNSNAMEBUFSIZE],rhn[DNSNAMEBUFSIZE];
+				if(!a2ptrstr((pdnsd_ca *)(rr->data),tp,buf) || !str2rhn(buf,rhn))
+					return 0;
+				if(!init_cent(&ce, rhn, 0, 0, cent->flags  DBG0))
+					return 0;
+				if(!add_cent_rr(&ce,T_PTR,rrset->ttl,rrset->ts,rrset->flags,rhnlen(cent->qname),cent->qname  DBG0)) {
+					free_cent(&ce  DBG0);
+					return 0;
+				}
+#ifdef RRMUINDEX_NS
+				ce.rr.rrmu[RRMUINDEX_NS]=cent->rr.rrmu[RRMUINDEX_NS];
+#endif
+#ifdef RRMUINDEX_SOA
+				ce.rr.rrmu[RRMUINDEX_SOA]=cent->rr.rrmu[RRMUINDEX_SOA];
+#endif
+				add_cache(&ce);
+#ifdef RRMUINDEX_NS
+				ce.rr.rrmu[RRMUINDEX_NS]=NULL;
+#endif
+#ifdef RRMUINDEX_SOA
+				ce.rr.rrmu[RRMUINDEX_SOA]=NULL;
+#endif
+				free_cent(&ce  DBG0);
+			}
+		}
+#if ALLOW_LOCAL_AAAA
+		if(tp==T_AAAA)
+			break;
+		tp=T_AAAA;
+		rrset= getrrset_AAAA(cent);
+#else
+		break;
+#endif
+	}
+	return 1;
+}
+
+
+/*
+   Delete a cent from the cache. Call with write locks applied.
+   Does not delete corresponding entry in hash table, call del_cache_ent()
+   or del_cache() for that.
+*/
+void del_cent(dns_cent_t *cent)
+{
+	cache_size -= cent->cs;
+
+	/* free the data referred by the cent and the cent itself */
+	free_cent(cent  DBG0);
+	free(cent);
+
+	--ent_num;
+}
+
+/*
+ * Delete a cent from the cache. Call with write locks applied.
+ */
+static void del_cache_ent(dns_cent_t *cent,dns_hash_loc_t *loc)
+{
+	dns_cent_t *data;
+
+	/* Delete from the hash */
+	if(loc)
+		data=del_dns_hash_ent(loc);
+	else
+		data=del_dns_hash(cent->qname);
+	if(!data) {
+		log_warn("Cache entry not found by del_dns_hash() in %s, line %d",__FILE__,__LINE__);
+	}
+	else if(data!=cent) {
+		log_warn("pointer returned by del_dns_hash() does not match cache entry in %s, line %d",__FILE__,__LINE__);
+	}
+	del_cent(cent);
+}
+
+/* Delete a cached record. Performs locking. Call this from the outside, NOT del_cache_ent */
+void del_cache(const unsigned char *name)
+{
+	dns_cent_t *cent;
+
+	lock_cache_rw();
+	if ((cent=del_dns_hash(name))) {
+		del_cent(cent);
+	}
+	unlock_cache_rw();
+}
+
+
+/* Invalidate a record by resetting the fetch time to 0. This means that it will be refreshed
+ * if possible (and will only be served when purge_cache=off;) */
+void invalidate_record(const unsigned char *name)
+{
+	dns_cent_t *ce;
+	int i, ilim;
+
+	lock_cache_rw();
+	if ((ce=dns_lookup(name,NULL))) {
+		if(!(ce->flags&DF_NEGATIVE)) {
+			ilim= RRARR_LEN(ce);
+			for (i=0; i<ilim; ++i) {
+				rr_set_t *rrs= RRARR_INDEX(ce,i);
+				if (rrs) {
+					rrs->ts=0;
+					rrs->flags &= ~CF_AUTH;
+				}
+			}
+		}
+		else {
+			/* set the cent time to 0 (for the case that this was negative) */
+			ce->neg.ts=0;
+		}
+		ce->flags &= ~DF_AUTH;
+	}
+	unlock_cache_rw();
+}
+
+
+/*
+  Set flags of the cache entry with the specified name.
+  Don't use this to set the DF_NEGATIVE flag, or you will
+  risk leaving the cache in an inconsistent state.
+  Returns 0 if the cache entry cannot be found, otherwise 1.
+ */
+int set_cent_flags(const unsigned char *name, unsigned flags)
+{
+	dns_cent_t *ret;
+	lock_cache_rw();
+	ret=dns_lookup(name,NULL);
+	if (ret) {
+		ret->flags |= flags;
+	}
+	unlock_cache_rw();
+	return ret!=NULL;
+}
+
+unsigned char *getlocalowner(unsigned char *name,int tp)
+{
+	unsigned char *ret=NULL;
+	dns_cent_t *ce;
+	unsigned lb;
+
+	lock_cache_r();
+	if((lb = *name)) {
+		while(name += lb+1, lb = *name) {
+			if((ce=dns_lookup(name,NULL))) {
+				if(!(ce->flags&DF_LOCAL))
+					break;
+				if(have_rr(ce,tp)) {
+					ret=name;
+					break;
+				}
+			}
+		}
+	}
+	unlock_cache_r();
+
+	return ret;
+}
+
+
+/* Lookup an entry in the cache using name (in length byte -  string notation).
+ * For thread safety, a copy must be returned, so delete it after use, by first doing
+ * free_cent to remove the rrs and then by freeing the returned pointer.
+ * If wild is nonzero, and name can't be found in the cache, lookup_cache()
+ * will search up the name hierarchy for a record with the DF_NEGATIVE or DF_WILD flag set.
+ */
+dns_cent_t *lookup_cache(const unsigned char *name, int *wild)
+{
+	int purge=0;
+	dns_cent_t *ret;
+
+	/* First try with only read access to the cache. */
+	lock_cache_r();
+	ret=dns_lookup(name,NULL);
+	if(wild) {
+		*wild=0;
+		if(!ret) {
+			const unsigned char *nm=name;
+			unsigned lb=*nm;
+			if(lb) {
+				while(nm += lb+1, lb = *nm) {
+					if ((ret=dns_lookup(nm,NULL))) {
+						if(ret->flags&DF_NEGATIVE)
+							/* use this entry */
+							*wild=w_neg;
+						else if(ret->flags&DF_WILD) {
+							unsigned char buf[DNSNAMEBUFSIZE];
+							buf[0]=1; buf[1]='*';
+							/* When we get here, at least one element of name
+							   has been removed, so assuming name is not longer
+							   than DNSNAMEBUFSIZE bytes, the remainder is guaranteed to
+							   fit into DNSNAMEBUFSIZE-2 bytes */
+							rhncpy(&buf[2],nm);
+							ret=dns_lookup(buf,NULL);
+							if(ret)
+								*wild=w_wild;
+						}
+						else if(ret->flags&DF_LOCAL)
+							*wild=w_locnerr;
+						else
+							ret=NULL;
+						break;
+					}
+				}
+			}
+		}
+	}
+	if (ret) {
+		if(!(purge=purge_cent(ret, 1,1))) /* test only, don't remove anything yet! */
+			ret=copy_cent(ret  DBG1);
+	}
+	unlock_cache_r();
+
+	if(purge) {
+		/* we need exclusive read and write access before we delete anything. */
+		lock_cache_rw();
+		ret=dns_lookup(name,NULL);
+		if(wild) {
+			*wild=0;
+			if(!ret) {
+				const unsigned char *nm=name;
+				unsigned lb=*nm;
+				if(lb) {
+					while(nm += lb+1, lb = *nm) {
+						if ((ret=dns_lookup(nm,NULL))) {
+							if(ret->flags&DF_NEGATIVE)
+								/* use this entry */
+								*wild=w_neg;
+							else if(ret->flags&DF_WILD) {
+								unsigned char buf[DNSNAMEBUFSIZE];
+								buf[0]=1; buf[1]='*';
+								rhncpy(&buf[2],nm);
+								ret=dns_lookup(buf,NULL);
+								if(ret)
+									*wild=w_wild;
+							}
+							else if(ret->flags&DF_LOCAL)
+								*wild=w_locnerr;
+							else
+								ret=NULL;
+							break;
+						}
+					}
+				}
+			}
+		}
+		if (ret) {
+			if(purge_cent(ret, 1,0)<0)
+				ret=NULL;
+			else
+				ret=copy_cent(ret  DBG1);
+		}
+		unlock_cache_rw();
+	}
+
+	return ret;
+}
+
+/* lookup_cache_local_rrset() check if there is locally defined RR set of a specific RR type
+   for name, and if so, returns a copy of the RR set. After use, the copy should be cleaned
+   up using del_rrset().
+   This is potentially much more efficient than using lookup_cache(), if the name is likely
+   to have a cache entry, but unlikely to have locally defined RR sets.
+*/
+rr_set_t *lookup_cache_local_rrset(const unsigned char *name, int type)
+{
+	rr_set_t *ret=NULL;
+	dns_cent_t *cent;
+
+	lock_cache_r();
+	cent= dns_lookup(name,NULL);
+	if(cent) {
+		rr_set_t *rrset=getrrset(cent,type);
+		if(rrset && (rrset->flags&CF_LOCAL)) {
+			ret= copy_rrset(rrset);
+		}
+	}
+	unlock_cache_r();
+
+	return ret;
+}
+
+
+#if 0
+/* Add an rr to an existing cache entry or create a new entry if necessary.
+ * The rr is treated with the precedence of an additional or off-topic record, ie. regularly retrieved
+ * have precedence.
+ * You cannot add a negative additional record. Makes no sense anyway. */
+int add_cache_rr_add(const unsigned char *name, int tp, time_t ttl, time_t ts, unsigned flags, unsigned dlen, void *data, unsigned long serial)
+{
+	dns_hash_loc_t loc;
+	dns_cent_t *ret;
+	rr_set_t *rrs;
+	int rv=0;
+
+	lock_cache_rw();
+	if (!(ret=dns_lookup(name,&loc))) {
+		if (!(ret=cache_malloc(sizeof(dns_cent_t))))
+			goto unlock_return;
+		if(!init_cent(ret, name, 0, 0, 0  DBG0)) {
+			pdnsd_free(ret);
+			goto unlock_return;
+		}
+		if(!add_dns_hash(ret,&loc)) {
+			free_cent(ret  DBG0);
+			pdnsd_free(ret);
+			goto unlock_return;
+		}
+		++ent_num;
+	}
+	else {
+		/* purge the record. */
+		purge_cent(ret,0,0);
+		cache_size-=ret->cs;
+	}
+	rrs=getrrset(ret,tp);
+	if (rrs &&
+	    ((rrs->flags&CF_NEGATIVE && !(rrs->flags&CF_LOCAL)) ||
+	     (rrs->flags&CF_NOPURGE && timedout(rrs)) ||
+	     (rrs->flags&CF_ADDITIONAL && rrs->serial!=serial) ||
+	     (rrs->serial==serial && rrs->ttl!=(ttl<global.min_ttl?global.min_ttl:(ttl>global.max_ttl?global.max_ttl:ttl))))) {
+		del_cent_rrset_by_type(ret,tp  DBG0);
+		rrs=NULL;
+	}
+	if (rrs==NULL || rrs->serial==serial) {
+		if (cr_check_add(ret,rrlkuptab[tp-T_MIN],ttl,ts,flags)) {
+			if (add_cent_rr(ret,tp,ttl,ts,flags,dlen,data,serial  DBG0)) {
+				rr_set_t *rrsnew;
+				if (!rrs && (rrsnew=getrrset(ret,tp)) && !insert_rrl(rrsnew,ret,rrlkuptab[tp-T_MIN])) {
+					del_cent_rrset_by_type(ret,tp  DBG0);
+				}
+				else {
+					cache_size+=ret->cs;
+					purge_cent(ret,1,0);
+					rv=1;
+					goto unlock_return;
+				}
+			}
+		}
+	} else {
+		rv=1;
+	}
+	cache_size+=ret->cs;
+
+ unlock_return:
+	unlock_cache_rw();
+	return rv;
+}
+#endif
+
+/* Report the cache status to the file descriptor f, for the status fifo (see status.c) */
+int report_cache_stat(int f)
+{
+	/* Cache size and entry counters are volatile (and even the entries
+	   in the global struct can change), so make copies to get consistent data.
+	   Even better would be to use locks, but that could be rather costly. */
+	long csz= cache_size, en= ent_num;
+	long pc= global.perm_cache;
+	long mc= pc*1024+MCSZ;
+
+	fsprintf_or_return(f,"\nCache status:\n=============\n");
+	fsprintf_or_return(f,"%ld kB maximum disk cache size.\n",pc);
+	fsprintf_or_return(f,"%ld of %ld bytes (%.3g%%) memory cache used in %ld entries"
+			   " (avg %.5g bytes/entry).\n",
+			   csz, mc, (((double)csz)/mc)*100, en,
+			   ((double)csz)/en);
+	return 0;
+}
+
+
+#define timestamp2str(ts,now,buf)								\
+{												\
+	struct tm tstm;										\
+	if(!((ts) && localtime_r(&(ts), &tstm) &&						\
+	     strftime(buf, sizeof(buf),								\
+		      ((ts)<=(now) && (now)-(ts)<365*24*60*60/2)?"    %m/%d %T":"%Y/%m/%d %T",	\
+		      &tstm)>0))								\
+		strcpy(buf,"                  ");						\
+}
+
+/* Dump contents of a cache entry to file descriptor fd.
+   Returns 1 on success, -1 if there is an IO error.
+*/
+static int dump_cent(int fd, dns_cent_t *cent)
+{
+	time_t now;
+	char tstr[sizeof "2000/12/31 23:59:59"],dbuf[1024];
+
+	fsprintf_or_return(fd,"%s\n",rhn2str(cent->qname,ucharp dbuf,sizeof(dbuf)));
+	now=time(NULL);
+
+	if(cent->flags&DF_NEGATIVE) {
+		timestamp2str(cent->neg.ts,now,tstr);
+		fsprintf_or_return(fd,"%s    (domain negated)\n",tstr);
+	}
+	else {
+		int i, n= NRRITERLIST(cent);
+		const unsigned short *iterlist= RRITERLIST(cent);
+		for(i=0; i<n; ++i) {
+			int tp= iterlist[i];
+			rr_set_t *rrset=getrrset_eff(cent,tp);
+			if (rrset) {
+				timestamp2str(rrset->ts,now,tstr);
+				if(rrset->flags&CF_NEGATIVE) {
+					fsprintf_or_return(fd,"%s    %-7s (negated)\n",tstr,rrnames[tp-T_MIN]);
+				}
+				else {
+					rr_bucket_t *rr;
+					for(rr=rrset->rrs; rr; rr=rr->next) {
+						switch (tp) {
+						case T_CNAME:
+						case T_MB:
+						case T_MD:
+						case T_MF:
+						case T_MG:
+						case T_MR:
+						case T_NS:
+						case T_PTR:
+							rhn2str((unsigned char *)(rr->data),ucharp dbuf,sizeof(dbuf));
+							break;
+#if IS_CACHED_MINFO || IS_CACHED_RP
+#if IS_CACHED_MINFO
+						case T_MINFO:
+#endif
+#if IS_CACHED_RP
+						case T_RP:
+#endif
+						{
+							unsigned char *p=(unsigned char *)(rr->data);
+							int n;
+							rhn2str(p,ucharp dbuf,sizeof(dbuf));
+							n=strlen(dbuf);
+							dbuf[n++] = ' ';
+							if(n>=sizeof(dbuf))
+								goto hex_dump;
+							rhn2str(skiprhn(p),ucharp dbuf+n,sizeof(dbuf)-n);
+						}
+						break;
+#endif
+						case T_MX:
+#if IS_CACHED_AFSDB
+						case T_AFSDB:
+#endif
+#if IS_CACHED_RT
+						case T_RT:
+#endif
+#if IS_CACHED_KX
+						case T_KX:
+#endif
+						{
+							unsigned char *p=(unsigned char *)(rr->data);
+							unsigned pref;
+							int n;
+							GETINT16(pref,p);
+							n=sprintf(dbuf,"%u ",pref);
+							if(n<0) goto hex_dump;
+							rhn2str(p,ucharp dbuf+n,sizeof(dbuf)-n);
+						}
+						break;
+						case T_SOA:
+						{
+							unsigned char *p=(unsigned char *)(rr->data);
+							char *q;
+							int n,rem;
+							uint32_t serial,refresh,retry,expire,minimum;
+							rhn2str(p,ucharp dbuf,sizeof(dbuf));
+							n=strlen(dbuf);
+							dbuf[n++] = ' ';
+							if(n>=sizeof(dbuf))
+								goto hex_dump;
+							q=dbuf+n;
+							rem=sizeof(dbuf)-n;
+							p=skiprhn(p);
+							rhn2str(p,ucharp q,rem);
+							n=strlen(q);
+							q[n++] = ' ';
+							if(n>=rem)
+								goto hex_dump;
+							q += n;
+							rem -= n;
+							p=skiprhn(p);
+							GETINT32(serial,p);
+							GETINT32(refresh,p);
+							GETINT32(retry,p);
+							GETINT32(expire,p);
+							GETINT32(minimum,p);
+							n=snprintf(q,rem,"%lu %lu %lu %lu %lu",
+								   (unsigned long)serial,(unsigned long)refresh,
+								   (unsigned long)retry,(unsigned long)expire,
+								   (unsigned long)minimum);
+							if(n<0 || n>=rem)
+								goto hex_dump;
+						}
+						break;
+#if IS_CACHED_HINFO || IS_CACHED_TXT || IS_CACHED_SPF
+#if IS_CACHED_HINFO
+						case T_HINFO:
+#endif
+#if IS_CACHED_TXT
+						case T_TXT:
+#endif
+#if IS_CACHED_SPF
+						case T_SPF:
+#endif
+						{
+							/* TXT records are not necessarily validated
+							   before they are stored in the cache, so
+							   we need to be careful. */
+							unsigned char *p=(unsigned char *)(rr->data);
+							char *q=dbuf;
+							int j=0,n,rem=sizeof(dbuf);
+							while(j<rr->rdlen) {
+								unsigned lb;
+								if(rem<3)
+									goto hex_dump;
+								if(j) {
+									*q++ = ' ';
+									--rem;
+								}
+								*q++ = '"';
+								--rem;
+								lb=*p++;
+								if((j += lb+1)>rr->rdlen)
+									goto hex_dump;
+								n=escapestr(charp p,lb,q,rem);
+								if(n<0 || n+1>=rem)
+									goto hex_dump;
+								q += n;
+								*q++ = '"';
+								rem -= n+1;
+								p += lb;
+							}
+							*q=0;
+						}
+						break;
+#endif
+#if IS_CACHED_PX
+						case T_PX:
+						{
+							unsigned char *p=(unsigned char *)(rr->data);
+							char *q;
+							unsigned pref;
+							int n,rem;
+							GETINT16(pref,p);
+							n=sprintf(dbuf,"%u ",pref);
+							if(n<0) goto hex_dump;
+							q=dbuf+n;
+							rem=sizeof(dbuf)-n;
+							rhn2str(p,ucharp q,rem);
+							n=strlen(q);
+							q[n++] = ' ';
+							if(n>=rem)
+								goto hex_dump;
+							rhn2str(skiprhn(p),ucharp q+n,rem-n);
+						}
+						break;
+#endif
+#if IS_CACHED_SRV
+						case T_SRV:
+						{
+							unsigned char *p=(unsigned char *)(rr->data);
+							unsigned priority,weight,port;
+							int n;
+							GETINT16(priority,p);
+							GETINT16(weight,p);
+							GETINT16(port,p);
+							n=sprintf(dbuf,"%u %u %u ",priority,weight,port);
+							if(n<0) goto hex_dump;
+							rhn2str(p,ucharp dbuf+n,sizeof(dbuf)-n);
+						}
+						break;
+#endif
+#if IS_CACHED_NXT
+						case T_NXT:
+						{
+							unsigned char *p=(unsigned char *)(rr->data);
+							int n,rlen;
+							rhn2str(p,ucharp dbuf,sizeof(dbuf));
+							n=strlen(dbuf);
+							dbuf[n++] = ' ';
+							if(n>=sizeof(dbuf))
+								goto hex_dump;
+							rlen=rhnlen(p);
+							hexdump(p+rlen,rr->rdlen-rlen,dbuf+n,sizeof(dbuf)-n);
+						}
+						break;
+#endif
+#if IS_CACHED_NAPTR
+						case T_NAPTR:
+						{
+							unsigned char *p=(unsigned char *)(rr->data);
+							char *q;
+							unsigned order,pref;
+							int n,rem,j;
+							GETINT16(order,p);
+							GETINT16(pref,p);
+							n=sprintf(dbuf,"%u %u ",order,pref);
+							if(n<0) goto hex_dump;
+							q=dbuf+n;
+							rem=sizeof(dbuf)-n;
+							for (j=0;j<3;++j) {
+								unsigned lb;
+								if(rem<2)
+									goto hex_dump;
+								*q++ = '"';
+								--rem;
+								lb=*p++;
+								n=escapestr(charp p,lb,q,rem);
+								if(n<0 || n+2>=rem)
+									goto hex_dump;
+								q += n;
+								*q++ = '"';
+								*q++ = ' ';
+								rem -= n+2;
+								p += lb;
+							}
+							rhn2str(p,ucharp q,rem);
+						}
+						break;
+#endif
+#if IS_CACHED_LOC
+						case T_LOC:
+							/* Binary data length has not necessarily been validated */
+							if(rr->rdlen!=16)
+								goto hex_dump;
+							if(!loc2str(rr->data,dbuf,sizeof(dbuf)))
+								goto hex_dump;
+							break;
+#endif
+						case T_A:
+							if (!inet_ntop(AF_INET,rr->data,dbuf,sizeof(dbuf)))
+								goto hex_dump;
+							break;
+#if IS_CACHED_AAAA && defined(AF_INET6)
+						case T_AAAA:
+							if (!inet_ntop(AF_INET6,rr->data,dbuf,sizeof(dbuf)))
+								goto hex_dump;
+							break;
+#endif
+						default:
+						hex_dump:
+							hexdump(rr->data,rr->rdlen,dbuf,sizeof(dbuf));
+						}
+						fsprintf_or_return(fd,"%s    %-7s %s\n",tstr,rrnames[tp-T_MIN],dbuf);
+					}
+				}
+			}
+		}
+	}
+	fsprintf_or_return(fd,"\n");
+	return 1;
+}
+
+/* Dump cache contents to file descriptor fd.
+   If name is not null, restricts information to that name,
+   otherwise dumps information about all names found in the cache.
+   Returns 1 on success, 0 if the name is not found, -1 is there is an IO error.
+   Mainly for debugging purposes.
+*/
+int dump_cache(int fd, const unsigned char *name, int exact)
+{
+	int rv=0;
+	lock_cache_r();
+	if(name && exact) {
+		dns_cent_t *cent=dns_lookup(name,NULL);
+		if(cent)
+			rv=dump_cent(fd,cent);
+	}
+	else {
+		dns_cent_t *cent;
+		dns_hash_pos_t pos;
+		for (cent=fetch_first(&pos); cent; cent=fetch_next(&pos)) {
+			unsigned int nrem;
+			if(!name || (domain_match(name,cent->qname,&nrem,NULL),nrem==0))
+				if((rv=dump_cent(fd,cent))<0)
+					break;
+		}
+	}
+	unlock_cache_r();
+	return rv;
+}
+
+char *stpcpy(char *dest, char const *src)
+{
+  size_t src_len = strlen(src);
+  return memcpy(dest, src, src_len) + src_len;
+ // strcpy(dest, src);
+ // return dest + strlen(dest);
+}
+
+
+#if DEBUG>0
+
+/* Added by Paul Rombouts: This is only used in debug messages. */
+const char cflgnames[NCFLAGS*3]={'N','E','G','L','O','C','A','U','T','N','O','C','A','D','D','N','O','P','R','T','S'};
+const char dflgnames[NDFLAGS*3]={'N','E','G','L','O','C','A','U','T','N','O','C','W','L','D'};
+
+char *flags2str(unsigned flags,char *buf,int nflags,const char *flgnames)
+{
+	char *p=buf;
+	int i,nflgchars=3*nflags;
+	for(i=0;i<nflgchars;i+=3) {
+		if(flags&1) {
+			if(p>buf) *p++='|';
+			p=mempcpy(p,&flgnames[i],3);
+		}
+		flags >>= 1;
+	}
+	if(p==buf)
+		*p++='0';
+	*p=0;
+	return buf;
+}
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/cache.h b/orbotservice/src/main/jni/pdnsd/src/cache.h
new file mode 100644
index 0000000..5056dec
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/cache.h
@@ -0,0 +1,306 @@
+/* cache.h - Definitions for the dns cache
+
+   Copyright (C) 2000 Thomas Moestl
+   Copyright (C) 2003, 2004, 2005, 2010, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef _CACHE_H_
+#define _CACHE_H_
+
+#include <config.h>
+#include "ipvers.h"
+#include <stdio.h>
+#include "list.h"
+#include "dns.h"
+#include "conff.h"
+
+struct rr_lent_s;
+
+/*
+ * These values are converted to host byte order. the data is _not_.
+ */
+typedef struct rr_b_s  {
+	struct rr_b_s    *next;                   /* this is the next pointer in the dns_cent_t list. */
+	unsigned         rdlen;
+#if ALLOW_LOCAL_AAAA || defined(ENABLE_IPV6)
+	struct in6_addr  data[0];                 /* dummy for alignment */
+#else
+	struct in_addr   data[0];
+#endif
+} rr_bucket_t;
+
+typedef struct {
+	struct rr_lent_s *lent;                   /* this points to the list entry */
+	time_t           ttl;
+	time_t           ts;
+	unsigned short   flags;
+	rr_bucket_t      *rrs;
+} rr_set_t;
+
+
+typedef struct {
+	unsigned char    *qname;                  /* Name of the domain in length byte - string notation. */
+	size_t           cs;                      /* Size of the cache entry, including RR sets. */
+	unsigned short   num_rrs;                 /* The number of RR sets. When this decreases to 0, the cent is deleted. */
+	unsigned short   flags;                   /* Flags for the whole domain. */
+	union {
+		struct {                          /* Fields used only for negatively cached domains. */
+			struct rr_lent_s *lent;   /* list entry for the whole cent. */
+			time_t           ttl;     /* TTL for negative caching. */
+			time_t           ts;      /* Timestamp. */
+		} neg;
+		struct {                          /* Fields used only for domains that actually exist. */
+			rr_set_t         *(rrmu[NRRMU]); /* The most used records.
+							    Use the the value obtained from rrlkuptab[] as index. */
+			rr_set_t         **rrext; /* Pointer (may be NULL) to an array of size NNRREXT storing the
+						     less frequently used records. */
+		} rr;
+	};
+	unsigned char    c_ns,c_soa;              /* Number of trailing name elements in qname to use to find NS or SOA
+						     records to add to the authority section of a response. */
+} dns_cent_t;
+
+/* This value is used to represent an undefined c_ns or c_soa field. */
+#define cundef 0xff
+
+/*
+ * the flag values for RR sets in the cache
+ */
+#define CF_NEGATIVE    1       /* this one is for per-RRset negative caching*/
+#define CF_LOCAL       2       /* Local zone entry */
+#define CF_AUTH        4       /* authoritative record */
+#define CF_NOCACHE     8       /* Only hold for the cache latency time period, then purge.
+				* Not really written to cache, but used by add_cache. */
+#define CF_ADDITIONAL 16       /* This was fetched as an additional or "off-topic" record. */
+#define CF_NOPURGE    32       /* Do not purge this record */
+#define CF_ROOTSERV   64       /* This record was directly obtained from a root server */
+
+#define CFF_NOINHERIT (CF_LOCAL|CF_AUTH|CF_ADDITIONAL|CF_ROOTSERV) /* not to be inherited on requery */
+
+/*
+ * the flag values for whole domains in the cache
+ */
+#define DF_NEGATIVE    1       /* this one is for whole-domain negative caching (created on NXDOMAIN)*/
+#define DF_LOCAL       2       /* local record (in conj. with DF_NEGATIVE) */
+#define DF_AUTH        4       /* authoritative record */
+#define DF_NOCACHE     8       /* Only hold for the cache latency time period, then purge.
+				* Only used for negatively cached domains.
+				* Not really written to cache, but used by add_cache. */
+#define DF_WILD       16       /* subdomains of this domain have wildcard records */
+
+/* #define DFF_NOINHERIT (DF_NEGATIVE) */ /* not to be inherited on requery */
+
+enum {w_wild=1, w_neg, w_locnerr};  /* Used to distinguish different types of wildcard records. */
+
+#if DEBUG>0
+#define NCFLAGS 7
+#define NDFLAGS 5
+#define CFLAGSTRLEN (NCFLAGS*4)
+#define DFLAGSTRLEN (NDFLAGS*4)
+extern const char cflgnames[];
+extern const char dflgnames[];
+char *flags2str(unsigned flags,char *buf,int nflags,const char *flgnames);
+#define cflags2str(flags,buf) flags2str(flags,buf,NCFLAGS,cflgnames)
+#define dflags2str(flags,buf) flags2str(flags,buf,NDFLAGS,dflgnames)
+#endif
+
+/*
+ * This is the time in secs any record remains at least in the cache before it is purged.
+ * (exception is that the cache is full)
+ */
+#define CACHE_LAT 120
+#define CLAT_ADJ(ttl) ((ttl)<CACHE_LAT?CACHE_LAT:(ttl))
+/* This is used internally to check if a rrset has timed out. */
+#define timedout(rrset) ((rrset)->ts+CLAT_ADJ((rrset)->ttl)<time(NULL))
+/* This is used internally to check if a negatively cached domain has timed out.
+   Only use if the DF_NEGATIVE bit is set! */
+#define timedout_nxdom(cent) ((cent)->neg.ts+CLAT_ADJ((cent)->neg.ttl)<time(NULL))
+
+extern volatile short int use_cache_lock;
+
+
+#ifdef ALLOC_DEBUG
+#define DBGPARAM ,int dbg
+#define DBGARG ,dbg
+#define DBG0 ,0
+#define DBG1 ,1
+#else
+#define DBGPARAM
+#define DBGARG
+#define DBG0
+#define DBG1
+#endif
+
+
+/* Initialize the cache. Call only once. */
+#define init_cache mk_dns_hash
+
+/* Initialize the cache lock. Call only once. */
+inline static void init_cache_lock()  __attribute__((always_inline));
+inline static void init_cache_lock()
+{
+	use_cache_lock=1;
+}
+
+int empty_cache(slist_array sla);
+void destroy_cache(void);
+void read_disk_cache(void);
+void write_disk_cache(void);
+
+int report_cache_stat(int f);
+int dump_cache(int fd, const unsigned char *name, int exact);
+
+/*
+ *  add_cache expects the dns_cent_t to be filled.
+ */
+void add_cache(dns_cent_t *cent);
+int add_reverse_cache(dns_cent_t * cent);
+void del_cache(const unsigned char *name);
+void invalidate_record(const unsigned char *name);
+int set_cent_flags(const unsigned char *name, unsigned flags);
+unsigned char *getlocalowner(unsigned char *name,int tp);
+dns_cent_t *lookup_cache(const unsigned char *name, int *wild);
+rr_set_t *lookup_cache_local_rrset(const unsigned char *name, int type);
+#if 0
+int add_cache_rr_add(const unsigned char *name, int tp, time_t ttl, time_t ts, unsigned flags, unsigned dlen, void *data, unsigned long serial);
+#endif
+
+inline static unsigned int mk_flag_val(servparm_t *server)
+  __attribute__((always_inline));
+inline static unsigned int mk_flag_val(servparm_t *server)
+{
+	unsigned int fl=0;
+	if (!server->purge_cache)
+		fl|=CF_NOPURGE;
+	if (server->nocache)
+		fl|=CF_NOCACHE;
+	if (server->rootserver)
+		fl|=CF_ROOTSERV;
+	return fl;
+}
+
+int init_cent(dns_cent_t *cent, const unsigned char *qname, time_t ttl, time_t ts, unsigned flags  DBGPARAM);
+int add_cent_rrset_by_type(dns_cent_t *cent,  int type, time_t ttl, time_t ts, unsigned flags  DBGPARAM);
+int add_cent_rr(dns_cent_t *cent, int type, time_t ttl, time_t ts, unsigned flags,unsigned dlen, void *data  DBGPARAM);
+int del_rrset(rr_set_t *rrs  DBGPARAM);
+void free_cent(dns_cent_t *cent  DBGPARAM);
+void free_cent0(void *ptr);
+void negate_cent(dns_cent_t *cent, time_t ttl, time_t ts);
+void del_cent(dns_cent_t *cent);
+
+/* Because this is empty by now, it is defined as an empty macro to save overhead.*/
+/*void free_rr(rr_bucket_t cent);*/
+#define free_rr(x)
+
+dns_cent_t *copy_cent(dns_cent_t *cent  DBGPARAM);
+
+#if 0
+unsigned long get_serial(void);
+#endif
+
+/* Get pointer to rrset given cache entry and rr type value. */
+inline static rr_set_t *getrrset(dns_cent_t *cent, int type)
+  __attribute__((always_inline));
+inline static rr_set_t *getrrset(dns_cent_t *cent, int type)
+{
+	if(!(cent->flags&DF_NEGATIVE)) {
+		int tpi= type - T_MIN;
+
+		if(tpi>=0 && tpi<T_NUM) {
+			unsigned int idx = rrlkuptab[tpi];
+			if(idx < NRRMU)
+				return cent->rr.rrmu[idx];
+			else {
+				idx -= NRRMU;
+				if(idx < NRREXT) {
+					rr_set_t **rrext= cent->rr.rrext;
+					if(rrext)
+						return rrext[idx];
+				}
+			}
+		}
+	}
+
+	return NULL;
+}
+
+/* This version of getrrset is slightly more efficient,
+   but also more dangerous, because it performs less checks.
+   It is safe to use if T_MIN <= type <= T_MAX and cent
+   is not negative.
+*/
+inline static rr_set_t *getrrset_eff(dns_cent_t *cent, int type)
+  __attribute__((always_inline));
+inline static rr_set_t *getrrset_eff(dns_cent_t *cent, int type)
+{
+	unsigned int idx = rrlkuptab[type-T_MIN];
+	if(idx < NRRMU)
+		return cent->rr.rrmu[idx];
+	else {
+		idx -= NRRMU;
+		if(idx < NRREXT) {
+			rr_set_t **rrext= cent->rr.rrext;
+			if(rrext)
+				return rrext[idx];
+		}
+	}
+
+	return NULL;
+}
+
+
+/* have_rr() tests whether a cache entry has at least one record of a given type.
+   Only use if T_MIN <= type <=T_MAX
+*/
+inline static int have_rr(dns_cent_t *cent, int type)
+  __attribute__((always_inline));
+inline static int have_rr(dns_cent_t *cent, int type)
+{
+	rr_set_t *rrset;
+	return !(cent->flags&DF_NEGATIVE) && (rrset=getrrset_eff(cent, type)) && rrset->rrs;
+}
+
+/* Some quick and dirty and hopefully fast macros. */
+#define PDNSD_NOT_CACHED_TYPE(type) ((type)<T_MIN || (type)>T_MAX || rrlkuptab[(type)-T_MIN]>=NRRTOT)
+
+/* This is useful for iterating over all the RR types in a cache entry in strict ascending order. */
+#define NRRITERLIST(cent) ((cent)->flags&DF_NEGATIVE?0:(cent)->rr.rrext?NRRTOT:NRRMU)
+#define RRITERLIST(cent)  ((cent)->flags&DF_NEGATIVE?NULL:(cent)->rr.rrext?rrcachiterlist:rrmuiterlist)
+
+/* The following macros use array indices as arguments, not RR type values! */
+#define GET_RRSMU(cent,i)  (!((cent)->flags&DF_NEGATIVE)?(cent)->rr.rrmu[i]:NULL)
+#define GET_RRSEXT(cent,i) (!((cent)->flags&DF_NEGATIVE) && (cent)->rr.rrext?(cent)->rr.rrext[i]:NULL)
+#define HAVE_RRMU(cent,i)  (!((cent)->flags&DF_NEGATIVE) && (cent)->rr.rrmu[i] && (cent)->rr.rrmu[i]->rrs)
+#define HAVE_RREXT(cent,i) (!((cent)->flags&DF_NEGATIVE) && (cent)->rr.rrext && (cent)->rr.rrext[i] && (cent)->rr.rrext[i]->rrs)
+
+#define RRARR_LEN(cent) ((cent)->flags&DF_NEGATIVE?0:(cent)->rr.rrext?NRRTOT:NRRMU)
+
+/* This allows us to index the RR-set arrays in a cache entry as if they formed one contiguous array. */
+#define RRARR_INDEX_TESTEXT(cent,i)    ((cent)->flags&DF_NEGATIVE?NULL:(i)<NRRMU?(cent)->rr.rrmu[i]:(cent)->rr.rrext?(cent)->rr.rrext[(i)-NRRMU]:NULL)
+/* This gets the address where the pointer to an RR-set is stored in a cache entry,
+   given the cache entry and an RR-set index.
+   Address may be NULL if no storage space for the type has been allocated. */
+#define RRARR_INDEX_PA_TESTEXT(cent,i) ((cent)->flags&DF_NEGATIVE?NULL:(i)<NRRMU?&(cent)->rr.rrmu[i]:(cent)->rr.rrext?&(cent)->rr.rrext[(i)-NRRMU]:NULL)
+
+/* The following macros should only be used if 0 <= i < RRARR_LEN(cent) ! */
+#define RRARR_INDEX(cent,i)    ((i)<NRRMU?(cent)->rr.rrmu[i]:(cent)->rr.rrext[(i)-NRRMU])
+#define RRARR_INDEX_PA(cent,i) ((i)<NRRMU?&(cent)->rr.rrmu[i]:&(cent)->rr.rrext[(i)-NRRMU])
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/conf-keywords.h b/orbotservice/src/main/jni/pdnsd/src/conf-keywords.h
new file mode 100644
index 0000000..2bcdacf
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/conf-keywords.h
@@ -0,0 +1,238 @@
+/* conf-keywords.h - Tables used by parser of configuration file.
+   Based on information previously contained in conf-lex.y and conf-parse.y
+
+   Copyright (C) 2004,2005,2006,2007,2008,2009,2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+enum {
+	ERROR,
+
+	GLOBAL,
+	SERVER,
+	RR,
+	NEG,
+	SOURCE,
+	INCLUDE_F,
+
+	PERM_CACHE,
+	CACHE_DIR,
+	SERVER_PORT,
+	SERVER_IP,
+	OUTGOING_IP,
+	SCHEME_FILE,
+	LINKDOWN_KLUGE,
+	MAX_TTL,
+	MIN_TTL,
+	RUN_AS,
+	STRICT_SETUID,
+	USE_NSS,
+	PARANOID,
+	IGNORE_CD,
+	STATUS_CTL,
+	DAEMON,
+	C_TCP_SERVER,
+	PID_FILE,
+	C_VERBOSITY,
+	C_QUERY_METHOD,
+	RUN_IPV4,
+	IPV4_6_PREFIX,
+	C_DEBUG,
+	C_CTL_PERMS,
+	C_PROC_LIMIT,
+	C_PROCQ_LIMIT,
+	TCP_QTIMEOUT,
+	C_PAR_QUERIES,
+	C_RAND_RECS,
+	NEG_TTL,
+	NEG_RRS_POL,
+	NEG_DOMAIN_POL,
+	QUERY_PORT_START,
+	QUERY_PORT_END,
+	UDP_BUFSIZE,
+	DELEGATION_ONLY,
+
+	IP,
+	PORT,
+	SCHEME,
+	UPTEST,
+	TIMEOUT,
+	PING_TIMEOUT,
+	PING_IP,
+	UPTEST_CMD,
+	QUERY_TEST_NAME,
+	INTERVAL,
+	INTERFACE,
+	DEVICE,
+	PURGE_CACHE,
+	CACHING,
+	LEAN_QUERY,
+	EDNS_QUERY,
+	PRESET,
+	PROXY_ONLY,
+	ROOT_SERVER,
+	RANDOMIZE_SERVERS,
+	INCLUDE,
+	EXCLUDE,
+	POLICY,
+	REJECTLIST,
+	REJECTPOLICY,
+	REJECTRECURSIVELY,
+	LABEL,
+
+	A,
+	PTR,
+	MX,
+	SOA,
+	CNAME,
+	TXT,
+	SPF,
+	NAME,
+	OWNER,
+	TTL,
+	TYPES,
+	FILET,
+	SERVE_ALIASES,
+	AUTHREC,
+	REVERSE
+};
+
+
+/* Table for looking up section headers. Order alphabetically! */
+static const namevalue_t section_headers[]= {
+	{"global",  GLOBAL},
+	{"include", INCLUDE_F},
+	{"neg",     NEG},
+	{"rr",      RR},
+	{"server",  SERVER},
+	{"source",  SOURCE}
+};
+
+/* Table for looking up global options. Order alphabetically! */
+static const namevalue_t global_options[]= {
+	{"cache_dir",         CACHE_DIR},
+	{"ctl_perms",         C_CTL_PERMS},
+	{"daemon",            DAEMON},
+	{"debug",             C_DEBUG},
+	{"delegation_only",   DELEGATION_ONLY},
+	{"ignore_cd",         IGNORE_CD},
+	{"interface",         SERVER_IP},
+	{"ipv4_6_prefix",     IPV4_6_PREFIX},
+	{"linkdown_kluge",    LINKDOWN_KLUGE},
+	{"max_ttl",           MAX_TTL},
+	{"min_ttl",           MIN_TTL},
+	{"neg_domain_pol",    NEG_DOMAIN_POL},
+	{"neg_rrs_pol",       NEG_RRS_POL},
+	{"neg_ttl",           NEG_TTL},
+	{"outgoing_ip",       OUTGOING_IP},
+	{"outside_interface", OUTGOING_IP},
+	{"par_queries",       C_PAR_QUERIES},
+	{"paranoid",          PARANOID},
+	{"perm_cache",        PERM_CACHE},
+	{"pid_file",          PID_FILE},
+	{"proc_limit",        C_PROC_LIMIT},
+	{"procq_limit",       C_PROCQ_LIMIT},
+	{"query_method",      C_QUERY_METHOD},
+	{"query_port_end",    QUERY_PORT_END},
+	{"query_port_start",  QUERY_PORT_START},
+	{"randomize_recs",    C_RAND_RECS},
+	{"run_as",            RUN_AS},
+	{"run_ipv4",          RUN_IPV4},
+	{"scheme_file",       SCHEME_FILE},
+	{"server_ip",         SERVER_IP},
+	{"server_port",       SERVER_PORT},
+	{"status_ctl",        STATUS_CTL},
+	{"strict_setuid",     STRICT_SETUID},
+	{"tcp_qtimeout",      TCP_QTIMEOUT},
+	{"tcp_server",        C_TCP_SERVER},
+	{"timeout",           TIMEOUT},
+	{"udpbufsize",        UDP_BUFSIZE},
+	{"use_nss",           USE_NSS},
+	{"verbosity",         C_VERBOSITY}
+};
+
+/* Table for looking up server options. Order alphabetically! */
+static const namevalue_t server_options[]= {
+	{"caching",            CACHING},
+	{"device",             DEVICE},
+	{"edns_query",         EDNS_QUERY},
+	{"exclude",            EXCLUDE},
+	{"file",               FILET},
+	{"include",            INCLUDE},
+	{"interface",          INTERFACE},
+	{"interval",           INTERVAL},
+	{"ip",                 IP},
+	{"label",              LABEL},
+	{"lean_query",         LEAN_QUERY},
+	{"ping_ip",            PING_IP},
+	{"ping_timeout",       PING_TIMEOUT},
+	{"policy",             POLICY},
+	{"port",               PORT},
+	{"preset",             PRESET},
+	{"proxy_only",         PROXY_ONLY},
+	{"purge_cache",        PURGE_CACHE},
+	{"query_test_name",    QUERY_TEST_NAME},
+	{"randomize_servers",  RANDOMIZE_SERVERS},
+	{"reject",             REJECTLIST},
+	{"reject_policy",      REJECTPOLICY},
+	{"reject_recursively", REJECTRECURSIVELY},
+	{"root_server",        ROOT_SERVER},
+	{"scheme",             SCHEME},
+	{"timeout",            TIMEOUT},
+	{"uptest",             UPTEST},
+	{"uptest_cmd",         UPTEST_CMD}
+};
+
+/* Table for looking up rr options. Order alphabetically! */
+static const namevalue_t rr_options[]= {
+	{"a",       A},
+	{"authrec", AUTHREC},
+	{"cname",   CNAME},
+	{"mx",      MX},
+	{"name",    NAME},
+	{"ns",      OWNER},
+	{"owner",   OWNER},
+	{"ptr",     PTR},
+	{"reverse", REVERSE},
+	{"soa",     SOA},
+	{"spf",     SPF},
+	{"ttl",     TTL},
+	{"txt",     TXT}
+};
+
+/* Table for looking up source options. Order alphabetically! */
+static const namevalue_t source_options[]= {
+	{"authrec",       AUTHREC},
+	{"file",          FILET},
+	{"ns",            OWNER},
+	{"owner",         OWNER},
+	{"serve_aliases", SERVE_ALIASES},
+	{"ttl",           TTL}
+};
+
+/* Table for looking up include options. Order alphabetically! */
+static const namevalue_t include_options[]= {
+	{"file",          FILET}
+};
+
+/* Table for looking up neg options. Order alphabetically! */
+static const namevalue_t neg_options[]= {
+	{"name",  NAME},
+	{"ttl",   TTL},
+	{"types", TYPES}
+};
diff --git a/orbotservice/src/main/jni/pdnsd/src/conf-parser.c b/orbotservice/src/main/jni/pdnsd/src/conf-parser.c
new file mode 100644
index 0000000..9cf9180
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/conf-parser.c
@@ -0,0 +1,2118 @@
+/* conf-parser.c - Parser for pdnsd config files.
+   Based on the files conf-lex.l and conf-parse.y written by
+   Thomas Moestl.
+   This version was rewritten in C from scratch by Paul A. Rombouts
+   and doesn't require (f)lex or yacc/bison.
+
+   Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011 Paul A. Rombouts.
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include "ipvers.h"
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stdarg.h>
+#if defined(HAVE_STRUCT_IFREQ)
+#include <sys/ioctl.h>
+#endif
+#include "conff.h"
+#include "consts.h"
+#include "cache.h"
+#include "dns.h"
+#include "helpers.h"
+#include "rr_types.h"
+#include "netdev.h"
+#include "conf-keywords.h"
+#include "conf-parser.h"
+
+
+/* Check that include files are not nested deeper than MAXINCLUDEDEPTH,
+   as a precaution against infinite recursion. */
+#define MAXINCLUDEDEPTH 100
+
+static char *report_error (const char *conftype, unsigned linenr, const char *msg)
+{
+  char *retval;
+  if(linenr) {
+    if(asprintf(&retval, "Error in %s (line %u): %s",conftype,linenr,msg)<0)
+      retval=NULL;
+  }
+  else {
+    if(asprintf(&retval, "Error in %s: %s",conftype,msg)<0)
+      retval=NULL;
+  }
+
+  return retval;
+}
+
+static char *report_errorf (const char *conftype, unsigned linenr, const char *frm,...) printfunc(3, 4);
+static char *report_errorf (const char *conftype, unsigned linenr, const char *frm,...)
+{
+  char *msg,*retval; int mlen;
+  va_list va;
+  va_start(va,frm);
+  mlen=vasprintf(&msg,frm,va);
+  va_end(va);
+  if(mlen<0) return NULL;
+  retval=report_error(conftype,linenr,msg);
+  free(msg);
+  return retval;
+}
+
+/* return pointer to next character in linebuffer after skipping blanks and comments */
+static char* getnextp(char **buf, size_t *n, FILE* in, char *p, unsigned *linenr, char **errstr)
+{
+  if(!p) goto nextline;
+ tryagain:
+  if(!*p) {
+  nextline:
+    do {
+      if(!in || getline(buf,n,in)<0) {
+	*errstr=NULL;
+	return NULL;
+      }
+      ++*linenr;
+      p=*buf;
+    } while(!*p);
+  }
+  if(isspace(*p)) {
+    ++p; goto tryagain;
+  }
+  if(*p=='#') {
+  skip_rest_of_line:
+    if(*linenr)
+      goto nextline;
+    else {
+      p=strchr(p,'\n');
+      if(p) {
+	++p;
+	goto tryagain;
+      }
+      else
+	goto nextline;
+    }
+  }
+  if(*p=='/') {
+    if(*(p+1)=='/')
+      goto skip_rest_of_line;
+    if(*(p+1)=='*') {
+      int lev=1;
+      p +=2;
+      for(;;) {
+	while(*p) {
+	  if(*p=='/' && *(p+1)=='*') {
+	    ++lev;
+	    p +=2;
+	    continue;
+	  }
+	  else if(*p=='*' && *(p+1)=='/') {
+	    p +=2;
+	    if(--lev==0) goto tryagain;
+	    continue;
+	  }
+	  ++p;
+	}
+	if(!in || getline(buf,n,in)<0) {
+	  *errstr="comment without closing */";
+	  return NULL;
+	}
+	++*linenr;
+	p=*buf;
+      }
+    }
+  }
+
+  return p;
+}
+
+static char translescapedchar(char c)
+{
+  switch(c) {
+  case 'f': return '\f';
+  case 'n': return '\n';
+  case 'r': return '\r';
+  case 't': return '\t';
+  case 'v': return '\v';
+  }
+  return c;
+}
+
+/* Scan a buffer for a string and copy the decoded (i.e. unescaped) version into
+   another buffer.
+
+   A string either begins after and ends before a double-quote ("),
+   or simply consists of a sequence of "non-special" characters,
+   starting at the current position.
+   A back-slash (\) acts as an escape character, preventing any character
+   following it from terminating the string. Thus, for example,
+   back-slash double-quote (\") may be used to include double-quotes
+   in a string.
+   A number of escape sequences are interpreted as in C, e.g.
+   \t, \n, \r yield control-chars as in C.
+
+   char **curp should point to the position in the buffer where
+               the scanning should begin. It will be updated to point
+               to the first character past the scanned string.
+
+   char *outbuf is used to store the decoded string.
+   size_t outbufsz should be the size of outbuf.
+
+   The return value is the length of the decoded string, unless an error occurs,
+   in which case -1 is returned and *errstr is assigned an error message.
+   The returned length may be larger than outbufsz, in which case the buffer
+   is filled with only the first outbufsz chars of the string.
+*/
+static int scan_string(char **curp,char *outbuf, unsigned outbufsz, char **errstr)
+{
+  char *cur=*curp;
+  unsigned i=0;
+
+  if(*cur=='"') {
+    /* Double-quoted string. */
+    ++cur; /* Skip opening quote. */
+    for(;; ++i,++cur) {
+      if(!*cur) goto noclosingquote;
+      if(*cur=='"') break;
+      if(*cur=='\\') {
+	if(!*++cur) goto nofollowingchar;
+	if(i<outbufsz)
+	  outbuf[i]= translescapedchar(*cur);
+      }
+      else if(i<outbufsz)
+	outbuf[i]= *cur;
+    }
+    ++cur; /* Skip closing quote. */
+  }
+  else {
+    /* Bare (unquoted) string. */
+    for(; *cur; ++i,++cur) {
+      if(*cur=='\\') {
+	/* Accept any non-null char following a back-slash. */
+	if(!*++cur) goto nofollowingchar;
+	if(i<outbufsz)
+	  outbuf[i]= translescapedchar(*cur);
+      }
+      else if(isspace(*cur) ||
+	      *cur==',' || *cur==';' ||
+	      *cur=='{' || *cur=='}' ||
+	      *cur=='"' || *cur=='#' ||
+	      (*cur=='/' && (*(cur+1)=='/'|| *(cur+1)=='*')))
+	break;
+      else if(i<outbufsz)
+	outbuf[i]= *cur;
+    }
+  }
+
+  if(i<outbufsz)
+    outbuf[i]=0;
+  *curp=cur;
+  return i;
+
+ noclosingquote:
+  *errstr="quoted string without closing quote";
+  return -1;
+ nofollowingchar:
+  *errstr="may not use backslash to escape end-of-line";
+  return -1;
+}
+
+
+/* Convert a string to a time value in seconds.
+   The string referred to by nptr is scanned for a sequence of components,
+   where each component contains a non-empty sequence of digits followed
+   by a possible one-letter suffix.
+   The position where the scanning stops is returned in endptr.
+   If an error is detected during scanning, a pointer to a
+   (static) error message is returned in errstr.
+*/
+static time_t strtotime(char *nptr, char **endptr, char **errstr)
+{
+  time_t retval=0,t;
+  char c;
+
+  *errstr=NULL;
+  while(isalnum(c=*nptr)) {
+    if(!isdigit(c)) {
+	*errstr="no digits before suffix.";
+	break;
+    }
+
+    t=strtol(nptr,&nptr,10);
+
+    if(isalpha(c=*nptr)) {
+      if(c=='s') /* seconds */
+	;
+      else if(c=='m') /* minutes */
+	t *= 60;
+      else if(c=='h') /* hours */
+	t *= 60*60;
+      else if(c=='d') /* days */
+	t *= 24*60*60;
+      else if(c=='w') /* weeks */
+	t *= 7*24*60*60;
+      else {
+	*errstr="allowed suffixes are w,d,h,m,s.";
+	break;
+      }
+      ++nptr;
+    }
+
+    retval += t;
+  }
+
+  if(endptr) *endptr=nptr;
+  return retval;
+}
+
+
+#define lookup_keyword(name,len,dic) binsearch_keyword(name,len,dic,sizeof(dic)/sizeof(namevalue_t))
+static const char *parse_ip(const char *ipstr, pdnsd_a *a);
+static const char *addr_add(atup_array *ata, const char *ipstr);
+#define addr_add_(ata,ipstr,len) addr_add(ata,ipstr)
+static const char *reject_add(servparm_t *serv, const char *ipstr);
+#define reject_add_(serv,ipstr,len) reject_add(serv,ipstr)
+static void check_localaddrs(servparm_t *serv);
+static int read_resolv_conf(const char *fn, atup_array *ata, char **errstr);
+static const char *slist_add(slist_array *sla, const char *nm, unsigned int len, int tp);
+#define include_list_add(sla,nm,len) slist_add(sla,nm,len,C_INCLUDED)
+#define exclude_list_add(sla,nm,len) slist_add(sla,nm,len,C_EXCLUDED)
+static const char *zone_add(zone_array *za, const char *zone, unsigned int len);
+
+#define CONCAT(a,b) a ## b
+/* a macro for concatenating tokens that expands its arguments */
+#define XCONCAT(a,b) CONCAT(a,b)
+/* a macro for generating (mostly) unique labels using line number */
+#define N_LABEL(pre) XCONCAT(pre,__LINE__)
+
+
+#define SCAN_ALPHANUM(start,cur,len)			\
+{							\
+  (start)=(cur);					\
+  do {							\
+    ++(cur);						\
+  } while(*(cur) && (isalnum(*(cur)) || *(cur)=='_'));	\
+  (len)=(cur)-(start);					\
+}
+
+#define STRNDUP(dst,src,len)			\
+{						\
+  if(dst) free(dst);				\
+  if(!((dst)=strndup(src,len))) {		\
+    OUTOFMEMERROR;				\
+  }						\
+}
+
+#define STRNCP(dst,src,len,errmsg)		\
+{						\
+  if ((len)<sizeof(dst)) {			\
+    memcpy(dst,src,len);			\
+    (dst)[len]=0;				\
+  }						\
+  else {					\
+    REPORT_ERROR(errmsg ": string too long");	\
+    PARSERROR;					\
+  }						\
+}
+
+/* TEMPSTRNCPY declares dst as a variable length array */
+#define TEMPSTRNCPY(dst,src,len)		\
+  char dst[(len)+1];				\
+  memcpy(dst,src,len);				\
+  dst[len]=0;
+
+#define SCAN_STRING_LIST(dst,cur,strbuf,len,addfunc)	\
+{							\
+  for(;;) {						\
+    const char *_err;					\
+    SCAN_STRING(cur,strbuf,len);			\
+    if((_err=addfunc(dst,strbuf,len))) {		\
+      REPORT_ERROR(_err);				\
+      PARSERROR;					\
+    }							\
+    SKIP_BLANKS(cur);					\
+    if(*(cur)!=',') break;				\
+    ++(cur);						\
+    SKIP_BLANKS(cur);					\
+  }							\
+}
+
+#define ASSIGN_ON_OFF(dst,cur,onoff,errmsg)	\
+{						\
+  if(isalpha(*(cur))) {				\
+    char *_str;					\
+    size_t _len;				\
+    int _cnst;					\
+    SCAN_ALPHANUM(_str,cur,_len);		\
+    _cnst=lookup_const(_str,_len);		\
+    if(_cnst==C_ON || _cnst==C_OFF) {		\
+      (dst)=(_cnst==(onoff));			\
+    }						\
+    else {					\
+      goto N_LABEL(ASSIGN_ON_OFF_) ;		\
+    }						\
+  }						\
+  else {					\
+  N_LABEL(ASSIGN_ON_OFF_) :			\
+    REPORT_ERROR(errmsg);			\
+    PARSERROR;					\
+  }						\
+}
+
+#define ASSIGN_CONST(dst,cur,test,errmsg)	\
+{						\
+  if(isalpha(*(cur))) {				\
+    char *_str;					\
+    size_t _len;				\
+    SCAN_ALPHANUM(_str,cur,_len);		\
+    (dst)=lookup_const(_str,_len);		\
+    if(!(test)) {				\
+      goto N_LABEL(ASSIGN_CONST_) ;		\
+    }						\
+  }						\
+  else {					\
+  N_LABEL(ASSIGN_CONST_) :			\
+    REPORT_ERROR(errmsg);			\
+    PARSERROR;					\
+  }						\
+}
+
+#define SCAN_UNSIGNED_NUM(dst,cur,errmsg)				\
+{									\
+  if(isdigit(*(cur))) {							\
+    dst=strtol(cur,&(cur),0);						\
+  }									\
+  else {								\
+    REPORT_ERROR("expected unsigned integer value for " errmsg);	\
+    PARSERROR;								\
+  }									\
+}
+
+#define SCAN_TIMESECS(dst,cur,errmsg)						\
+{										\
+  if(isdigit(*(cur))) {								\
+    char *_err;									\
+    dst=strtotime(cur,&(cur),&_err);						\
+    if(_err) {									\
+      REPORT_ERRORF("invalid time specification for %s: %s",errmsg,_err);	\
+      PARSERROR;								\
+    }										\
+  }										\
+  else {									\
+    REPORT_ERROR("expected a time specification for " errmsg);			\
+    PARSERROR;									\
+  }										\
+}
+
+#define PARSESTR2RHN(src,len,dst)		\
+{						\
+  const char *_err;				\
+  if ((_err=parsestr2rhn(src,len,dst))) {	\
+    REPORT_ERROR(_err);				\
+    PARSERROR;					\
+  }						\
+}
+
+
+#if 0
+/* Copy a domain name, adding a dot at the end if necessary.
+   The format of the name (including the length) is checked with parsestr2rhn()
+*/
+#define DOM_NAME_CPY(dst,src,len)		\
+{						\
+  unsigned char _buf[DNSNAMEBUFSIZE];		\
+  PARSESTR2RHN(src,len,_buf);			\
+  memcpy(dst,src,len);				\
+  (dst)[len]=0;					\
+  if((len)==0 || (dst)[(len)-1]!='.') {		\
+    (dst)[len]='.'; (dst)[(len)+1]=0;		\
+  }						\
+}
+#endif
+
+# define SKIP_COMMA(cur,errmsg)			\
+{						\
+  SKIP_BLANKS(cur);				\
+  if(*(cur)!=',') {				\
+    REPORT_ERROR(errmsg);			\
+    PARSERROR;					\
+  }						\
+  ++(cur);					\
+  SKIP_BLANKS(cur);				\
+}
+
+
+/* Parse a configuration file, adding data to a (separate) global section and servers array,
+   and the cache.
+
+   FILE *in should point to the input stream. It may be NULL, in which case no file is read.
+
+   char *prestr may be NULL or point to a string which will be parsed before the input file.
+
+   globparm_t *global should point to a struct which will be used to store the data of the
+                      global section(s). If it is NULL, no global sections are allowed in the
+		      input.
+
+   servparm_array *servers should point to a dynamic array which will be grown to store the data
+                           of the server sections. If it is NULL, no server sections are allowed
+			   in the input.
+
+   int includedepth is used to track how deeply recursive calls of confparse are nested.
+                    Should be 0 for a top-level call.
+
+   char **errstr is used to return a possible error message.
+                 In case of failure, *errstr will refer to a newly allocated string.
+
+   confparse returns 1 on success, 0 on failure.
+*/
+int confparse(FILE* in, char *prestr, globparm_t *global, servparm_array *servers, int includedepth, char **errstr)
+{
+  char *linebuf=NULL,*p,*ps,*getnextperr=NULL,*scanstrerr=NULL;
+  const char *conftype;
+  size_t buflen=256;
+  unsigned linenr=0;
+  int retval=0,sechdr,option,len;
+  char strbuf[1024];
+# define CLEANUP_HANDLER
+# define CLEANUP_HANDLER2
+# define CLEANUP_HANDLERS CLEANUP_HANDLER2;CLEANUP_HANDLER
+# define SKIP_BLANKS(cur) {if(!((cur)=getnextp(&linebuf,&buflen,in,cur,&linenr,&getnextperr))) {CLEANUP_HANDLERS; goto unexpected_eof;}}
+# define SCAN_STRING(cur,buf,len) {					\
+    if(((len)=scan_string(&(cur),buf,sizeof(buf),&scanstrerr))==-1)	\
+      {CLEANUP_HANDLERS; goto string_err;}				\
+    else if((len)>=sizeof(buf))						\
+      {CLEANUP_HANDLERS; goto string_too_long;}				\
+  }
+# define REPORT_ERROR(msg) (*errstr=report_error(conftype,linenr,msg))
+# if !defined(CPP_C99_VARIADIC_MACROS)
+   /* GNU C Macro Varargs style. */
+#  define REPORT_ERRORF(args...) (*errstr=report_errorf(conftype,linenr,args))
+#else
+   /* ANSI C99 style. */
+#  define REPORT_ERRORF(...) (*errstr=report_errorf(conftype,linenr,__VA_ARGS__))
+# endif
+# define PARSERROR {CLEANUP_HANDLERS; goto free_linebuf_return;}
+# define OUTOFMEMERROR {CLEANUP_HANDLERS; goto out_of_memory;}
+# define CLEANUP_GOTO(lab) {CLEANUP_HANDLERS; goto lab;}
+
+  *errstr=NULL;
+  if(in) {
+    linebuf=malloc(buflen);
+    if(!linebuf) {
+      /* If malloc() just failed, allocating space for an error message is unlikely to succeed. */
+      return 0;
+    }
+    if(global)
+      conftype="config file";
+    else
+      conftype="include file";
+  }
+  else
+    conftype="config string";
+
+  p=prestr;
+  while((p=getnextp(&linebuf,&buflen,in,p,&linenr,&getnextperr))) {
+    if(isalpha(*p)) {
+      SCAN_ALPHANUM(ps,p,len);
+      sechdr=lookup_keyword(ps,len,section_headers);
+      if(!sechdr) {
+	REPORT_ERRORF("invalid section header: %.*s",(int)len,ps);
+	PARSERROR;
+      }
+      SKIP_BLANKS(p);
+      if(*p!='{') goto expected_bropen;
+      ++p;
+      SKIP_BLANKS(p);
+
+      switch(sechdr) {
+      case GLOBAL:
+	if(!global) {
+	  REPORT_ERROR(in?"global section not allowed in include file":
+		       "global section not allowed in eval string");
+	  PARSERROR;
+	}
+
+	while(isalpha(*p)) {
+	  SCAN_ALPHANUM(ps,p,len);
+	  option=lookup_keyword(ps,len,global_options);
+	  if(!option) {
+	    REPORT_ERRORF("invalid option for global section: %.*s",(int)len,ps);
+	    PARSERROR;
+	  }
+	  SKIP_BLANKS(p);
+	  if(*p!='=') goto expected_equals;
+	  ++p;
+	  SKIP_BLANKS(p);
+
+	  switch(option) {
+	    pdnsd_a *ipaddrp;
+
+	  case PERM_CACHE:
+	    if (isalpha(*p)) {
+	      int cnst;
+	      SCAN_ALPHANUM(ps,p,len);
+	      cnst=lookup_const(ps,len);
+	      if(cnst==C_OFF) {
+		global->perm_cache=0;
+	      }
+	      else
+		goto bad_perm_cache_option;
+	    }
+	    else if(isdigit(*p)) {
+	      global->perm_cache=strtol(p,&p,0);
+	    }
+	    else {
+	    bad_perm_cache_option:
+	      REPORT_ERROR("bad qualifier in perm_cache= option.");
+	      PARSERROR;
+	    }
+	    break;
+
+	  case CACHE_DIR:
+	    SCAN_STRING(p,strbuf,len);
+	    STRNDUP(global->cache_dir,strbuf,len);
+	    break;
+
+	  case SERVER_PORT:
+	    SCAN_UNSIGNED_NUM(global->port,p,"server_port option")
+	    break;
+
+	  case OUTGOING_IP:
+	    ipaddrp= &global->out_a;
+	    goto scan_ip_or_interface;
+
+	  case SERVER_IP:
+	    ipaddrp= &global->a;
+	  scan_ip_or_interface:
+	    SCAN_STRING(p,strbuf,len);
+	    {
+	      const char *err;
+	      if ((err=parse_ip(strbuf,ipaddrp))) {
+#if defined(HAVE_STRUCT_IFREQ) && defined(IFNAMSIZ) && defined(SIOCGIFADDR)
+		if(!strcmp(err,"bad IP address") && len<IFNAMSIZ) {
+		  /* Treat the string argument as the name of an interface
+		     and try to find its IP address.
+		  */
+		  int fd;
+		  struct ifreq req;
+		  memcpy(req.ifr_name, strbuf, len);
+		  req.ifr_name[len]=0;
+		  req.ifr_addr.sa_family = PDNSD_AF_INET;
+
+
+		  if ((fd = socket(PDNSD_PF_INET, SOCK_DGRAM, 0))!=-1 && ioctl(fd, SIOCGIFADDR, &req)!=-1) {
+# ifdef ENABLE_IPV4
+		    if (run_ipv4)
+		      ipaddrp->ipv4= ((struct sockaddr_in *)&req.ifr_addr)->sin_addr;
+# endif
+# ifdef ENABLE_IPV6
+		    ELSE_IPV6
+		      ipaddrp->ipv6= ((struct sockaddr_in6 *)&req.ifr_addr)->sin6_addr;
+# endif
+		    close(fd);
+		  }
+		  else {
+		    REPORT_ERRORF("Failed to get IP address of %s: %s",req.ifr_name,strerror(errno));
+		    if(fd!=-1) close(fd);
+		    PARSERROR;
+		  }
+		}
+		else
+#endif
+		  {
+		    REPORT_ERRORF("%s for the %s= option.",err,option==SERVER_IP?"server_ip":"outgoing_ip");
+		    PARSERROR;
+		  }
+	      }
+	    }
+	    break;
+
+	  case SCHEME_FILE:
+	    SCAN_STRING(p,strbuf,len);
+	    STRNDUP(global->scheme_file, strbuf,len);
+	    break;
+
+	  case LINKDOWN_KLUGE:
+	    ASSIGN_ON_OFF(global->lndown_kluge,p,C_ON,"bad qualifier in linkdown_kluge= option.");
+	    break;
+
+	  case MAX_TTL:
+	    SCAN_TIMESECS(global->max_ttl,p,"max_ttl option");
+	    break;
+
+	  case MIN_TTL:
+	    SCAN_TIMESECS(global->min_ttl,p,"min_ttl option");
+	    break;
+
+	  case RUN_AS:
+	    SCAN_STRING(p,strbuf,len);
+	    STRNCP(global->run_as, strbuf,len, "run_as");
+	    break;
+
+	  case STRICT_SETUID:
+	    ASSIGN_ON_OFF(global->strict_suid, p,C_ON,"bad qualifier in strict_setuid= option.");
+	    break;
+
+	  case USE_NSS:
+	    ASSIGN_ON_OFF(global->use_nss, p,C_ON,"bad qualifier in use_nss= option.");
+	    break;
+
+	  case PARANOID:
+	    ASSIGN_ON_OFF(global->paranoid, p,C_ON,"bad qualifier in paranoid= option.");
+	    break;
+
+	  case IGNORE_CD: {
+	    int ignore_cd;
+	    ASSIGN_ON_OFF(ignore_cd, p,C_ON,"bad qualifier in ignore_cd= option.");
+	    fprintf(stderr, "Warning: ignore_cd option in configuration file is obsolete and currently has no effect.\n");
+	  }
+	    break;
+
+	  case STATUS_CTL: {
+	    int cnst;
+	    ASSIGN_CONST(cnst, p,cnst==C_ON || cnst==C_OFF ,"bad qualifier in status_pipe= option.");
+	    if(!cmdline.stat_pipe) global->stat_pipe=(cnst==C_ON);
+	  }
+	    break;
+
+	  case DAEMON: {
+	    int cnst;
+	    ASSIGN_CONST(cnst, p,cnst==C_ON || cnst==C_OFF ,"bad qualifier in daemon= option.");
+	    if(!cmdline.daemon) global->daemon=(cnst==C_ON);
+	  }
+	    break;
+
+	  case C_TCP_SERVER: {
+	    int cnst;
+	    ASSIGN_CONST(cnst, p,cnst==C_ON || cnst==C_OFF ,"bad qualifier in tcp_server= option.");
+	    if(!cmdline.notcp) {
+	      global->notcp=(cnst==C_OFF);
+#ifdef NO_TCP_SERVER
+	      if(!global->notcp) {
+		REPORT_ERROR("pdnsd was compiled without TCP server support. tcp_server=on is not allowed.");
+		PARSERROR;
+	      }
+#endif
+	    }
+	  }
+	    break;
+
+	  case PID_FILE:
+	    SCAN_STRING(p,strbuf,len);
+	    if(!cmdline.pidfile) {STRNDUP(global->pidfile,strbuf,len);}
+	    break;
+
+	  case C_VERBOSITY: {
+	    int val;
+	    SCAN_UNSIGNED_NUM(val,p,"verbosity option");
+	    if(!cmdline.verbosity) global->verbosity=val;
+	  }
+	    break;
+
+	  case C_QUERY_METHOD: {
+	    int cnst;
+	    ASSIGN_CONST(cnst,p,cnst==TCP_ONLY || cnst==UDP_ONLY || cnst==TCP_UDP || cnst==UDP_TCP,"bad qualifier in query_method= option.");
+#ifdef NO_TCP_QUERIES
+	    if (cnst==TCP_ONLY) {
+	      REPORT_ERROR("the tcp_only option is only available when pdnsd is compiled with TCP support.");
+	      PARSERROR;
+	    }
+	    else
+#endif
+#ifdef NO_UDP_QUERIES
+	      if (cnst==UDP_ONLY) {
+		REPORT_ERROR("the udp_only option is only available when pdnsd is compiled with UDP support.");
+		PARSERROR;
+	      }
+	      else
+#endif
+#if defined(NO_TCP_QUERIES) || defined(NO_UDP_QUERIES)
+		if (cnst==TCP_UDP) {
+		  REPORT_ERROR("the tcp_udp option is only available when pdnsd is compiled with both TCP and UDP support.");
+		  PARSERROR;
+		}
+		else if (cnst==UDP_TCP) {
+		  REPORT_ERROR("the udp_tcp option is only available when pdnsd is compiled with both TCP and UDP support.");
+		  PARSERROR;
+		}
+		else
+#endif
+		  if(!cmdline.query_method) global->query_method=cnst;
+	  }
+	    break;
+
+	  case RUN_IPV4: {
+	    int cnst;
+	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF,"bad qualifier in run_ipv4= option.");
+#ifndef ENABLE_IPV4
+	    if(cnst==C_ON) {
+	      REPORT_ERROR("You can only set run_ipv4=on when pdnsd is compiled with IPv4 support.");
+	      PARSERROR;
+	    }
+#endif
+#ifndef ENABLE_IPV6
+	    if(cnst==C_OFF) {
+	      REPORT_ERROR("You can only set run_ipv4=off when pdnsd is compiled with IPv6 support.");
+	      PARSERROR;
+	    }
+#endif
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+	    if(!cmdlineipv) {
+	      run_ipv4=(cnst==C_ON); cmdlineipv=-1;
+	    }
+	    else if(cmdlineipv<0 && run_ipv4!=(cnst==C_ON)) {
+	      REPORT_ERROR(cmdlineipv==-1?
+			   "IPv4/IPv6 conflict: you are trying to set run_ipv4 to a value that conflicts with a previous run_ipv4 setting.":
+			   "You must set the run_ipv4 option before specifying IP addresses.");
+	      PARSERROR;
+	    }
+#endif
+	  }
+	    break;
+
+	  case IPV4_6_PREFIX:
+	    SCAN_STRING(p,strbuf,len);
+#ifdef ENABLE_IPV6
+	    if(!cmdline.prefix) {
+	      if(inet_pton(AF_INET6,strbuf,&global->ipv4_6_prefix)<=0) {
+		REPORT_ERROR("ipv4_6_prefix: argument not a valid IPv6 address.");
+		PARSERROR;
+	      }
+	    }
+#else
+	    fprintf(stderr,"pdnsd was compiled without IPv6 support. ipv4_6_prefix option in config file will be ignored.\n");
+#endif
+	    break;
+
+	  case C_DEBUG: {
+	    int cnst;
+	    ASSIGN_CONST(cnst, p,cnst==C_ON || cnst==C_OFF ,"bad qualifier in debug= option.");
+	    if(!cmdline.debug) {
+	      global->debug=(cnst==C_ON);
+#if !DEBUG
+	      if(global->debug)
+		fprintf(stderr,"pdnsd was compiled without debugging support. debug=on has no effect.\n");
+#endif
+	    }
+	  }
+	    break;
+
+	  case C_CTL_PERMS:
+	    SCAN_UNSIGNED_NUM(global->ctl_perms, p,"ctl_perms option");
+	    break;
+
+	  case C_PROC_LIMIT:
+	    SCAN_UNSIGNED_NUM(global->proc_limit, p,"proc_limit option");
+	    break;
+
+	  case C_PROCQ_LIMIT:
+	    SCAN_UNSIGNED_NUM(global->procq_limit, p,"procq_limit option");
+	    break;
+
+	  case TCP_QTIMEOUT:
+	    SCAN_TIMESECS(global->tcp_qtimeout, p,"tcp_qtimeout option");
+	    break;
+
+	  case TIMEOUT:
+	    SCAN_TIMESECS(global->timeout, p,"global timeout option");
+	    break;
+
+	  case C_PAR_QUERIES: {
+	    int val;
+	    SCAN_UNSIGNED_NUM(val, p,"par_queries option");
+	    if(val<=0) {
+	      REPORT_ERROR("bad value for par_queries.");
+	      PARSERROR;
+	    } else {
+	      global->par_queries=val;
+	    }
+	  }
+	    break;
+
+	  case C_RAND_RECS:
+	    ASSIGN_ON_OFF(global->rnd_recs, p,C_ON,"bad qualifier in randomize_recs= option.");
+	    break;
+
+	  case NEG_TTL:
+	    SCAN_TIMESECS(global->neg_ttl, p,"neg_ttl option");
+	    break;
+
+	  case NEG_RRS_POL: {
+	    int cnst;
+	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF || cnst==C_DEFAULT || cnst==C_AUTH,
+			 "bad qualifier in neg_rrs_pol= option.");
+	    global->neg_rrs_pol=cnst;
+	  }
+	    break;
+
+	  case NEG_DOMAIN_POL: {
+	    int cnst;
+	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF || cnst==C_AUTH,"bad qualifier in neg_domain_pol= option.");
+	    global->neg_domain_pol=cnst;
+	  }
+	    break;
+
+	  case QUERY_PORT_START: {
+	    int val;
+	    if(isalpha(*p)) {
+	      int cnst;
+	      SCAN_ALPHANUM(ps,p,len);
+	      cnst=lookup_const(ps,len);
+	      if(cnst==C_NONE)
+		val=-1;
+	      else
+		goto bad_port_start_option;
+	    }
+	    else if(isdigit(*p)) {
+	      val=strtol(p,&p,0);
+	      if(val>65535) {
+		REPORT_ERROR("value for query_port_start out of range.");
+		PARSERROR;
+	      }
+	      else if(val<1024)
+		fprintf(stderr,"Warning: query_port_start=%i but source ports <1204 can only be used as root.\n",
+			val);
+	    }
+	    else {
+	    bad_port_start_option:
+	      REPORT_ERROR("bad qualifier in query_port_start= option.");
+	      PARSERROR;
+	    }
+	    global->query_port_start=val;
+	  }
+	    break;
+
+	  case QUERY_PORT_END: {
+	    int val;
+	    SCAN_UNSIGNED_NUM(val,p,"query_port_end option");
+	    if(val>65535) {
+	      REPORT_ERROR("value for query_port_end out of range.");
+	      PARSERROR;
+	    }
+	    global->query_port_end=val;
+	  }
+	    break;
+
+	  case UDP_BUFSIZE: {
+	    int val;
+	    SCAN_UNSIGNED_NUM(val,p,"udpbufsize");
+	    if(val<512 || val>65535-(20+8)) {
+	      REPORT_ERROR("value for udpbufsize out of range.");
+	      PARSERROR;
+	    }
+	    global->udpbufsize=val;
+	  }
+	    break;
+
+	  case DELEGATION_ONLY:
+	    SCAN_STRING_LIST(&global->deleg_only_zones,p,strbuf,len,zone_add)
+	    break;
+
+	  default: /* we should never get here */
+	    goto internal_parse_error;
+	  } /* end of switch(option) */
+
+	  SKIP_BLANKS(p);
+	  if(*p!=';') goto expected_semicolon;
+	  ++p;
+	  SKIP_BLANKS(p);
+	}
+
+	if(*p!='}') goto expected_closing_brace;
+	if (global->query_port_end < global->query_port_start) {
+	  REPORT_ERROR("query_port_end may not be smaller than query_port_start.");
+	  PARSERROR;
+	}
+	break;
+
+      case SERVER: {
+	servparm_t server;
+
+	if(!servers) {
+	  REPORT_ERROR(in?"server section not allowed in include file":
+		       "server section not allowed in eval string");
+	  PARSERROR;
+	}
+
+	server=serv_presets;
+#	undef  CLEANUP_HANDLER
+#	define CLEANUP_HANDLER (free_servparm(&server))
+
+	while(isalpha(*p)) {
+	  SCAN_ALPHANUM(ps,p,len);
+	  option=lookup_keyword(ps,len,server_options);
+	  if(!option) {
+	    REPORT_ERRORF("invalid option for server section: %.*s",(int)len,ps);
+	    PARSERROR;
+	  }
+	  SKIP_BLANKS(p);
+	  if(*p!='=') CLEANUP_GOTO(expected_equals);
+	  ++p;
+	  SKIP_BLANKS(p);
+
+	  switch(option) {
+	  case IP:
+	    SCAN_STRING_LIST(&server.atup_a,p,strbuf,len,addr_add_);
+	    break;
+
+	  case FILET:
+	    SCAN_STRING(p,strbuf,len);
+	    {
+	      char *errmsg;
+	      if (!read_resolv_conf(strbuf, &server.atup_a, &errmsg)) {
+		if(errmsg) {REPORT_ERROR(errmsg); free(errmsg);}
+		else *errstr=NULL;
+		PARSERROR;
+	      }
+	    }
+	    break;
+
+	  case PORT:
+	    SCAN_UNSIGNED_NUM(server.port,p,"port option");
+	    break;
+
+	  case SCHEME:
+	    SCAN_STRING(p,strbuf,len);
+	    STRNCP(server.scheme, strbuf,len, "scheme");
+	    break;
+
+	  case UPTEST: {
+	    int cnst;
+	    ASSIGN_CONST(cnst,p,cnst==C_PING || cnst==C_NONE || cnst==C_IF || cnst==C_EXEC || cnst==C_DEV || cnst==C_DIALD || cnst==C_QUERY,"bad qualifier in uptest= option.");
+	    server.uptest=cnst;
+	  }
+	    break;
+
+	  case TIMEOUT:
+	    SCAN_TIMESECS(server.timeout,p,"timeout option");
+	    break;
+
+	  case PING_TIMEOUT:
+	    SCAN_UNSIGNED_NUM(server.ping_timeout,p,"ping_timeout option");
+	    break;
+
+	  case PING_IP:
+	    SCAN_STRING(p,strbuf,len);
+	    {
+	      const char *err;
+	      if ((err=parse_ip(strbuf,&server.ping_a))) {
+		REPORT_ERRORF("%s for the ping_ip= option.",err);
+		PARSERROR;
+	      }
+	    }
+	    break;
+
+	  case UPTEST_CMD:
+	    SCAN_STRING(p,strbuf,len);
+	    STRNDUP(server.uptest_cmd, strbuf,len);
+	    SKIP_BLANKS(p);
+	    if(*p==',') {
+	      ++p;
+	      SKIP_BLANKS(p);
+	      SCAN_STRING(p,strbuf,len);
+	      STRNCP(server.uptest_usr, strbuf,len, "second argument of uptest_cmd");
+	    }
+	    break;
+
+	  case QUERY_TEST_NAME:
+	    if(isalpha(*p)) {
+	      int cnst;
+	      SCAN_ALPHANUM(ps,p,len);
+	      if(*p!='.' && *p!='-') {
+		cnst=lookup_const(ps,len);
+		if(cnst==C_NONE) {
+		  if(server.query_test_name)
+		    free(server.query_test_name);
+		  server.query_test_name=NULL;
+		  break;
+		}
+	      }
+	      p=ps;  /* reset current char pointer and try again. */
+	    }
+	    {
+	      unsigned char tname[DNSNAMEBUFSIZE], *copy;
+	      unsigned sz;
+
+	      SCAN_STRING(p,strbuf,len);
+	      PARSESTR2RHN(ucharp strbuf,len,tname);
+	      sz=rhnlen(tname);
+	      copy= malloc(sz);
+	      if(!copy) {
+		OUTOFMEMERROR;
+	      }
+	      memcpy(copy,tname,sz);
+	      if(server.query_test_name)
+		free(server.query_test_name);
+	      server.query_test_name=copy;
+	    }
+	    break;
+
+	  case INTERVAL:
+	    if(isalpha(*p)) {
+	      int cnst;
+	      SCAN_ALPHANUM(ps,p,len);
+	      cnst=lookup_const(ps,len);
+	      if(cnst==C_ONQUERY) {
+		server.interval=-1;
+	      }
+	      else if(cnst==C_ONTIMEOUT) {
+		server.interval=-2;
+	      }
+	      else {
+		goto bad_interval_option;
+	      }
+	    }
+	    else if(isdigit(*p)) {
+	      char *err;
+	      server.interval=strtotime(p,&p,&err);
+	      if(err) {
+		REPORT_ERRORF("bad time specification in interval= option: %s",err);
+		PARSERROR;
+	      }
+	    }
+	    else {
+	    bad_interval_option:
+	      REPORT_ERROR("bad qualifier in interval= option.");
+	      PARSERROR;
+	    }
+	    break;
+
+	  case INTERFACE:
+	    SCAN_STRING(p,strbuf,len);
+	    STRNCP(server.interface, strbuf,len, "interface");
+	    break;
+
+	  case DEVICE:
+	    SCAN_STRING(p,strbuf,len);
+	    STRNCP(server.device, strbuf,len, "device");
+	    break;
+
+	  case PURGE_CACHE:
+	    ASSIGN_ON_OFF(server.purge_cache,p,C_ON,"bad qualifier in purge_cache= option.");
+	    break;
+
+	  case CACHING:
+	    ASSIGN_ON_OFF(server.nocache,p,C_OFF,"bad qualifier in caching= option.");
+	    break;
+
+	  case LEAN_QUERY:
+	    ASSIGN_ON_OFF(server.lean_query,p,C_ON,"bad qualifier in lean_query= option.");
+	    break;
+
+	  case EDNS_QUERY:
+	    ASSIGN_ON_OFF(server.edns_query,p,C_ON,"bad qualifier in edns_query= option.");
+	    break;
+
+	  case PRESET:
+	    ASSIGN_ON_OFF(server.preset,p,C_ON,"bad qualifier in preset= option.");
+	    break;
+
+	  case PROXY_ONLY:
+	    ASSIGN_ON_OFF(server.is_proxy,p,C_ON,"bad qualifier in proxy_only= option.");
+	    break;
+
+	  case ROOT_SERVER: {
+	    int cnst;
+	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF || cnst==C_DISCOVER,"bad qualifier in root_server= option.");
+	    server.rootserver= (cnst==C_DISCOVER? 2: cnst==C_ON);
+	  }
+	    break;
+
+	  case RANDOMIZE_SERVERS:
+	    ASSIGN_ON_OFF(server.rand_servers,p,C_ON,"bad qualifier in randomize_servers= option.");
+	    break;
+
+	  case POLICY: {
+	    int cnst;
+	    ASSIGN_CONST(cnst,p,cnst==C_INCLUDED || cnst==C_EXCLUDED || cnst==C_SIMPLE_ONLY || cnst==C_FQDN_ONLY,"bad qualifier in policy= option.");
+	    server.policy=cnst;
+	  }
+	    break;
+
+	  case INCLUDE:
+	    SCAN_STRING_LIST(&server.alist,p,strbuf,len,include_list_add)
+	    break;
+
+	  case EXCLUDE:
+	    SCAN_STRING_LIST(&server.alist,p,strbuf,len,exclude_list_add)
+	    break;
+
+	  case REJECTLIST:
+	    SCAN_STRING_LIST(&server,p,strbuf,len,reject_add_);
+	    break;
+
+	  case REJECTPOLICY: {
+	    int cnst;
+	    ASSIGN_CONST(cnst,p,cnst==C_FAIL || cnst==C_NEGATE,"bad qualifier in reject_policy= option.");
+	    server.rejectpolicy=cnst;
+	  }
+	    break;
+
+	  case REJECTRECURSIVELY:
+	    ASSIGN_ON_OFF(server.rejectrecursively,p,C_ON,"bad qualifier in reject_recursively= option.");
+	    break;
+
+	  case LABEL:
+	    SCAN_STRING(p,strbuf,len);
+	    STRNDUP(server.label,strbuf,len);
+	    break;
+
+	  default: /* we should never get here */
+	    CLEANUP_GOTO(internal_parse_error);
+	  } /* end of switch(option) */
+
+	  SKIP_BLANKS(p);
+	  if(*p!=';') CLEANUP_GOTO(expected_semicolon);
+	  ++p;
+	  SKIP_BLANKS(p);
+	}
+
+	if(*p!='}') CLEANUP_GOTO(expected_closing_brace);
+	if (server.uptest==C_EXEC) {
+	  if (!server.uptest_cmd) {
+	    REPORT_ERROR("you must specify uptest_cmd if you specify uptest=exec!");
+	    PARSERROR;
+	  }
+	}
+	if (server.is_proxy && server.rootserver) {
+	  REPORT_ERROR("A server may not be specified as both a proxy and a root-server.");
+	  PARSERROR;
+	}
+	if(server.rootserver && (server.policy==C_SIMPLE_ONLY || server.policy==C_FQDN_ONLY))
+	  fprintf(stderr,"Warning: using policy=%s with a root-server usually makes no sense.",
+		  const_name(server.policy));
+	if (DA_NEL(server.atup_a)) {
+	  check_localaddrs(&server);
+	  if(!DA_NEL(server.atup_a)) {
+	    REPORT_ERROR("Server section contains only local IP addresses.\n"
+			 "Bind pdnsd to a different local IP address or specify different port numbers"
+			 " in global section and server section if you want pdnsd to query servers on"
+			 " the same machine.");
+	    PARSERROR;
+	  }
+	}
+	{
+	  int j,n=DA_NEL(server.atup_a);
+	  for(j=0;j<n;++j) {
+	    atup_t *at= &DA_INDEX(server.atup_a,j);
+	    at->is_up=server.preset;
+	    /* A negative test interval means don't test at startup or reconfig. */
+	    if(server.interval<0) at->i_ts=time(NULL);
+	  }
+	}
+	if(server.interval==-1) global->onquery=1;
+
+	if (!(*servers=DA_GROW1_F(*servers,(void(*)(void*))free_servparm))) {
+	  OUTOFMEMERROR;
+	}
+	DA_LAST(*servers)= server;
+#	undef  CLEANUP_HANDLER
+#	define CLEANUP_HANDLER
+      }
+	break;
+
+      case RR: {
+	/* Initialize c_cent to all zeros.
+	   Then it should be safe to call free_cent() on it, even before calling init_cent(). */
+	dns_cent_t c_cent={0};
+	time_t c_ttl=86400;
+	unsigned c_flags=DF_LOCAL;
+	unsigned char reverse=0;
+
+#	undef  CLEANUP_HANDLER
+#	define CLEANUP_HANDLER (free_cent(&c_cent DBG0))
+
+	while(isalpha(*p)) {
+	  SCAN_ALPHANUM(ps,p,len);
+	  option=lookup_keyword(ps,len,rr_options);
+	  if(!option) {
+	    REPORT_ERRORF("invalid option for rr section: %.*s",(int)len,ps);
+	    PARSERROR;
+	  }
+	  SKIP_BLANKS(p);
+	  if(*p!='=') CLEANUP_GOTO(expected_equals);
+	  ++p;
+	  SKIP_BLANKS(p);
+
+	  switch(option) {
+	    int tp; const char *tpname;
+	  case NAME: {
+	    unsigned char c_name[DNSNAMEBUFSIZE];
+	    if (c_cent.qname) {
+	      REPORT_ERROR("You may specify only one name in a rr section.");
+	      PARSERROR;
+	    }
+	    SCAN_STRING(p,strbuf,len);
+	    PARSESTR2RHN(ucharp strbuf,len,c_name);
+	    if (!init_cent(&c_cent, c_name, 0, 0, c_flags  DBG0))
+	      goto out_of_memory;
+	  }
+	    break;
+
+	  case TTL:
+	    SCAN_TIMESECS(c_ttl,p, "ttl option");
+	    break;
+
+	  case AUTHREC: {
+	    int cnst;
+	    if (c_cent.qname) {
+	      REPORT_ERROR("The authrec= option has no effect unless it precedes name= in a rr section.");
+	      PARSERROR;
+	    }
+	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF,"Bad qualifier in authrec= option.");
+	    c_flags=(cnst==C_ON)?DF_LOCAL:0;
+	  }
+	    break;
+
+	  case REVERSE:
+	    ASSIGN_ON_OFF(reverse,p,C_ON,"bad qualifier in reverse= option.");
+	    break;
+
+	  case A: {
+	    unsigned int sz;
+	    pdnsd_ca c_a;
+
+	    if (!c_cent.qname)
+	      goto no_name_spec;
+	    SCAN_STRING(p,strbuf,len);
+	    if (inet_aton(strbuf,&c_a.ipv4)) {
+	      tp=T_A;
+	      sz=sizeof(struct in_addr);
+	    }
+	    else
+#if ALLOW_LOCAL_AAAA
+	      if (inet_pton(AF_INET6,strbuf,&c_a.ipv6)>0) {
+		tp=T_AAAA;
+		sz=sizeof(struct in6_addr);
+	      }
+	      else
+#endif
+		{
+		  REPORT_ERROR("bad IP address in a= option.");
+		  PARSERROR;
+		}
+
+	    if(!add_cent_rr(&c_cent,tp,c_ttl,0,CF_LOCAL,sz,&c_a  DBG0))
+	      goto add_rr_failed;
+	  }
+	    break;
+
+	  case OWNER:
+	    tp=T_NS;
+	    goto scan_name;
+	  case CNAME:
+	    tp=T_CNAME;
+	    goto scan_name;
+	  case PTR:
+	    tp=T_PTR;
+	  scan_name:
+	    {
+	      unsigned char c_name[DNSNAMEBUFSIZE];
+
+	      if (!c_cent.qname)
+		goto no_name_spec;
+	      SCAN_STRING(p,strbuf,len);
+	      PARSESTR2RHN(ucharp strbuf,len,c_name);
+	      if(!add_cent_rr(&c_cent,tp,c_ttl,0,CF_LOCAL,rhnlen(c_name),c_name  DBG0))
+		goto add_rr_failed;
+	    }
+	    break;
+
+	  case MX: {
+	    unsigned char *cp;
+	    unsigned pref;
+	    unsigned char c_mx[2+DNSNAMEBUFSIZE];
+
+	    if (!c_cent.qname)
+	      goto no_name_spec;
+	    cp=c_mx+2;
+	    SCAN_STRING(p,strbuf,len);
+	    PARSESTR2RHN(ucharp strbuf,len,cp);
+	    SKIP_COMMA(p,"missing second argument (preference level) of mx= option");
+	    SCAN_UNSIGNED_NUM(pref,p,"second argument of mx= option");
+	    cp=c_mx;
+	    PUTINT16(pref,cp);
+	    if(!add_cent_rr(&c_cent,T_MX,c_ttl,0,CF_LOCAL,2+rhnlen(cp),c_mx  DBG0))
+	      goto add_rr_failed;
+	  }
+	    break;
+
+	  case SOA: {
+	    unsigned int blen,rlen;
+	    unsigned char *bp;
+	    uint32_t val;
+	    unsigned char buf[2*DNSNAMEBUFSIZE+20];
+
+	    if (!c_cent.qname)
+	      goto no_name_spec;
+	    SCAN_STRING(p,strbuf,len);
+	    PARSESTR2RHN(ucharp strbuf,len,buf);
+	    rlen=rhnlen(buf);
+	    blen=rlen;
+	    bp=buf+rlen;
+	    SKIP_COMMA(p,"missing 2nd argument of soa= option");
+	    SCAN_STRING(p,strbuf,len);
+	    PARSESTR2RHN(ucharp strbuf,len,bp);
+	    rlen=rhnlen(bp);
+	    blen += rlen;
+	    bp += rlen;
+	    SKIP_COMMA(p,"missing 3rd argument of soa= option");
+	    SCAN_UNSIGNED_NUM(val,p,"3rd argument of soa= option");
+	    PUTINT32(val,bp);
+	    SKIP_COMMA(p,"missing 4th argument of soa= option");
+	    SCAN_TIMESECS(val,p,"4th argument of soa= option");
+	    PUTINT32(val,bp);
+	    SKIP_COMMA(p,"missing 5th argument of soa= option");
+	    SCAN_TIMESECS(val,p,"5th argument of soa= option");
+	    PUTINT32(val,bp);
+	    SKIP_COMMA(p,"missing 6th argument of soa= option");
+	    SCAN_TIMESECS(val,p,"6th argument of soa= option");
+	    PUTINT32(val,bp);
+	    SKIP_COMMA(p,"missing 7th argument of soa= option");
+	    SCAN_TIMESECS(val,p,"7th argument of soa= option");
+	    PUTINT32(val,bp);
+	    blen += 20;
+	    if(!add_cent_rr(&c_cent,T_SOA,c_ttl,0,CF_LOCAL,blen,buf  DBG0))
+	      goto add_rr_failed;
+	  }
+	    break;
+	  case SPF:
+#if IS_CACHED_SPF
+	    tp=T_SPF; tpname="spf";
+	    goto define_txt_rr;
+#else
+	    REPORT_ERROR("Missing support for caching SPF records in rr section");
+	    PARSERROR;
+#endif
+	  case TXT:
+#if IS_CACHED_TXT
+	    tp=T_TXT; tpname="txt";
+#else
+	    REPORT_ERROR("Missing support for caching TXT records in rr section");
+	    PARSERROR;
+#endif
+#if IS_CACHED_TXT || IS_CACHED_SPF
+#if IS_CACHED_SPF
+	  define_txt_rr:
+#endif
+	  {
+	    unsigned char *rbuf;
+	    unsigned sz,allocsz;
+	    int rv;
+
+	    if (!c_cent.qname)
+	      goto no_name_spec;
+	    rbuf=NULL;
+	    sz=allocsz=0;
+#           undef  CLEANUP_HANDLER2
+#           define CLEANUP_HANDLER2 (free(rbuf))
+
+	    for(;;) {
+	      unsigned char *newbuf,*cp;
+	      unsigned newsz=sz+256;
+	      int n;
+	      if(newsz>allocsz) {
+		allocsz += 512;
+		newbuf=realloc(rbuf,allocsz);
+		if(!newbuf) {
+		  OUTOFMEMERROR;
+		}
+		rbuf=newbuf;
+	      }
+	      cp = rbuf+sz;
+	      n=scan_string(&p, charp (cp+1), 255, &scanstrerr);
+	      if(n==-1) {
+		REPORT_ERRORF("%s in %s= option", scanstrerr, tpname);
+		PARSERROR;
+	      }
+	      if(n>255) {
+		REPORT_ERRORF("string longer than 255 bytes in %s= option", tpname);
+		PARSERROR;
+	      }
+	      *cp=n;
+	      sz += n+1;
+	      if(sz>0xffff) {
+		REPORT_ERRORF("data exceeds maximum size (65535 bytes) in %s= option", tpname);
+		PARSERROR;
+	      }
+	      SKIP_BLANKS(p);
+	      if(*p!=',') break;
+	      ++p;
+	      SKIP_BLANKS(p);
+	    }
+	    rv=add_cent_rr(&c_cent,tp,c_ttl,0,CF_LOCAL,sz,rbuf  DBG0);
+	    CLEANUP_HANDLER2;
+#           undef  CLEANUP_HANDLER2
+#           define CLEANUP_HANDLER2
+	    if(!rv)
+	      goto add_rr_failed;
+	  }
+	    break;
+#endif
+	  default: /* we should never get here */
+	    CLEANUP_GOTO(internal_parse_error);
+	  } /* end of switch(option) */
+
+	  SKIP_BLANKS(p);
+	  if(*p!=';') CLEANUP_GOTO(expected_semicolon);
+	  ++p;
+	  SKIP_BLANKS(p);
+	}
+
+	if(*p!='}') CLEANUP_GOTO(expected_closing_brace);
+	if (!c_cent.qname)
+	  goto no_name_spec;
+	if(c_cent.qname[0]==1 && c_cent.qname[1]=='*') {
+	  /* Wild card record. Set the DF_WILD flag for the name with '*.' removed. */
+	  if(!set_cent_flags(&c_cent.qname[2],DF_WILD)) {
+	    unsigned char buf[DNSNAMEBUFSIZE];
+	    rhn2str(c_cent.qname,buf,sizeof(buf));
+	    REPORT_ERRORF("You must define some records for '%s'"
+			  " before you can define records for the wildcard name '%s'",
+			  &buf[2],buf);
+	    PARSERROR;
+	  }
+	}
+
+	add_cache(&c_cent);
+	if(reverse) {
+	  if(!add_reverse_cache(&c_cent)) {
+		    REPORT_ERROR("Can't convert IP address in a= option"
+				 " into form suitable for reverse resolving.");
+		    PARSERROR;
+	  }
+	}
+	CLEANUP_HANDLER;
+	break;
+
+      add_rr_failed:
+	OUTOFMEMERROR;
+#	undef  CLEANUP_HANDLER
+#	define CLEANUP_HANDLER
+      }
+
+      case SOURCE: {
+	unsigned char c_owner[DNSNAMEBUFSIZE];
+	time_t c_ttl;
+	unsigned c_flags;
+	unsigned char c_aliases;
+
+	c_owner[0]='\0';
+	c_ttl=86400;
+	c_flags=DF_LOCAL;
+	c_aliases=0;
+
+	while(isalpha(*p)) {
+	  SCAN_ALPHANUM(ps,p,len);
+	  option=lookup_keyword(ps,len,source_options);
+	  if(!option) {
+	    REPORT_ERRORF("invalid option for source section: %.*s",(int)len,ps);
+	    PARSERROR;
+	  }
+	  SKIP_BLANKS(p);
+	  if(*p!='=') goto expected_equals;
+	  ++p;
+	  SKIP_BLANKS(p);
+
+	  switch(option) {
+	  case OWNER:
+	    SCAN_STRING(p,strbuf,len);
+	    PARSESTR2RHN(ucharp strbuf,len,c_owner);
+	    break;
+
+	  case TTL:
+	    SCAN_TIMESECS(c_ttl,p,"ttl option");
+	    break;
+
+	  case FILET:
+	    if (!c_owner[0]) {
+	      REPORT_ERROR("you must specify owner before file= in source records.");
+	      PARSERROR;
+	    }
+	    SCAN_STRING(p,strbuf,len);
+	    {
+	      char *errmsg;
+	      if (!read_hosts(strbuf, c_owner, c_ttl, c_flags, c_aliases, &errmsg)) {
+		if(errmsg) { REPORT_ERROR(errmsg); free(errmsg); }
+		else *errstr=NULL;
+		PARSERROR;
+	      }
+	    }
+	    break;
+
+	  case SERVE_ALIASES:
+	    ASSIGN_ON_OFF(c_aliases,p,C_ON,"Bad qualifier in serve_aliases= option.");
+	    break;
+
+	  case AUTHREC: {
+	    int cnst;
+	    ASSIGN_CONST(cnst,p,cnst==C_ON || cnst==C_OFF,"Bad qualifier in authrec= option.");
+	    c_flags=(cnst==C_ON)?DF_LOCAL:0;
+	  }
+	    break;
+
+	  default: /* we should never get here */
+	    goto internal_parse_error;
+	  } /* end of switch(option) */
+
+	  SKIP_BLANKS(p);
+	  if(*p!=';') goto expected_semicolon;
+	  ++p;
+	  SKIP_BLANKS(p);
+	}
+      }
+	break;
+
+      case INCLUDE_F: {
+	while(isalpha(*p)) {
+	  SCAN_ALPHANUM(ps,p,len);
+	  option=lookup_keyword(ps,len,include_options);
+	  if(!option) {
+	    REPORT_ERRORF("invalid option for include section: %.*s",(int)len,ps);
+	    PARSERROR;
+	  }
+	  SKIP_BLANKS(p);
+	  if(*p!='=') goto expected_equals;
+	  ++p;
+	  SKIP_BLANKS(p);
+
+	  switch(option) {
+	  case FILET:
+	    if(includedepth>=MAXINCLUDEDEPTH) {
+	      REPORT_ERRORF("maximum include depth (%d) exceeded.",MAXINCLUDEDEPTH);
+	      PARSERROR;
+	    }
+	    SCAN_STRING(p,strbuf,len);
+	    {
+	      char *errmsg;
+	      if (!read_config_file(strbuf, NULL, NULL, includedepth+1, &errmsg)) {
+		if(errmsg) {
+		  if(linenr) {
+		    if(asprintf(errstr, "In file %s included at line %u:\n%s",strbuf,linenr,errmsg)<0)
+		      *errstr=NULL;
+		  }
+		  else {
+		    if(asprintf(errstr, "In file %s:\n%s",strbuf,errmsg)<0)
+		      *errstr=NULL;
+		  }
+		  free(errmsg);
+		}
+		else
+		  *errstr=NULL;
+		PARSERROR;
+	      }
+	    }
+	    break;
+
+	  default: /* we should never get here */
+	    goto internal_parse_error;
+	  } /* end of switch(option) */
+
+	  SKIP_BLANKS(p);
+	  if(*p!=';') goto expected_semicolon;
+	  ++p;
+	  SKIP_BLANKS(p);
+	}
+      }
+	break;
+
+      case NEG: {
+	unsigned char c_name[DNSNAMEBUFSIZE];
+	time_t c_ttl;
+	unsigned char htp,hdtp;
+
+	htp=0;
+	hdtp=0;
+	c_name[0]='\0';
+	c_ttl=86400;
+
+	while(isalpha(*p)) {
+	  SCAN_ALPHANUM(ps,p,len);
+	  option=lookup_keyword(ps,len,neg_options);
+	  if(!option) {
+	    REPORT_ERRORF("invalid option for neg section: %.*s",(int)len,ps);
+	    PARSERROR;
+	  }
+	  SKIP_BLANKS(p);
+	  if(*p!='=') goto expected_equals;
+	  ++p;
+	  SKIP_BLANKS(p);
+
+	  switch(option) {
+	  case NAME:
+	    SCAN_STRING(p,strbuf,len);
+	    PARSESTR2RHN(ucharp strbuf,len,c_name);
+	    break;
+
+	  case TTL:
+	    SCAN_TIMESECS(c_ttl,p, "ttl option");
+	    break;
+
+	  case TYPES:
+	    if (!c_name[0]) {
+	      REPORT_ERROR("you must specify a name before the types= option.");
+	      PARSERROR;
+	    }
+	    if (isalpha(*p)) {
+	      int cnst;
+	      dns_cent_t c_cent /* ={0} */;
+	      SCAN_ALPHANUM(ps,p,len);
+	      cnst=lookup_const(ps,len);
+	      if(cnst==C_DOMAIN) {
+		if (htp) {
+		  REPORT_ERROR("You may not specify types=domain together with other types!");
+		  PARSERROR;
+		}
+		hdtp=1;
+		if (!init_cent(&c_cent, c_name, c_ttl, 0, DF_LOCAL|DF_NEGATIVE  DBG0))
+		  goto out_of_memory;
+	      }
+	      else if(cnst==0) {
+		if (hdtp) {
+		  REPORT_ERROR("You may not specify types=domain together with other types!");
+		  PARSERROR;
+		}
+		htp=1;
+		if (!init_cent(&c_cent, c_name, 0, 0, 0  DBG0))
+		  goto out_of_memory;
+#		undef  CLEANUP_HANDLER
+#		define CLEANUP_HANDLER (free_cent(&c_cent DBG0))
+		for(;;) {
+		  {
+		    TEMPSTRNCPY(buf,ps,len);
+		    cnst=rr_tp_byname(buf);
+		  }
+		  if(cnst==-1) {
+		    REPORT_ERRORF("unrecognized rr type '%.*s' used as argument for types= option.",(int)len,ps);
+		    PARSERROR;
+		  }
+		  if(PDNSD_NOT_CACHED_TYPE(cnst)) {
+		    REPORT_ERRORF("illegal rr type '%.*s' used as argument for types= option.",(int)len,ps);
+		    PARSERROR;
+		  }
+		  if (!getrrset_eff(&c_cent,cnst) && !add_cent_rrset_by_type(&c_cent,cnst,c_ttl,0,CF_LOCAL|CF_NEGATIVE  DBG0)) {
+		    OUTOFMEMERROR;
+		  }
+		  SKIP_BLANKS(p);
+		  if(*p!=',') break;
+		  ++p;
+		  SKIP_BLANKS(p);
+		  if (!isalpha(*p))
+		    {CLEANUP_GOTO(bad_types_option);}
+		  SCAN_ALPHANUM(ps,p,len);
+		}
+	      }
+	      else
+		goto bad_types_option;
+
+	      add_cache(&c_cent);
+	      CLEANUP_HANDLER;
+#	      undef  CLEANUP_HANDLER
+#	      define CLEANUP_HANDLER
+	    }
+	    else {
+	    bad_types_option:
+	      REPORT_ERROR("Bad argument for types= option.");
+	      PARSERROR;
+	    }
+	    break;
+
+	  default: /* we should never get here */
+	    goto internal_parse_error;
+	  } /* end of switch(option) */
+
+	  SKIP_BLANKS(p);
+	  if(*p!=';') goto expected_semicolon;
+	  ++p;
+	  SKIP_BLANKS(p);
+	}
+      }
+	break;
+
+      default: /* we should never get here */
+	goto internal_parse_error;
+      } /* end of switch(sechdr) */
+
+      if(*p!='}') goto expected_closing_brace;
+      ++p;
+    }
+    else {
+      REPORT_ERROR("expected section header");
+      PARSERROR;
+    }
+  }
+
+  if(!in || feof(in)) {
+    if(getnextperr) {
+      REPORT_ERROR(getnextperr);
+      PARSERROR;
+    }
+    retval=1; /* success */
+  }
+  else
+    goto input_error;
+
+  goto free_linebuf_return;
+
+ expected_bropen:
+  REPORT_ERROR("expected opening brace after section name");
+  PARSERROR;
+
+ expected_closing_brace:
+  REPORT_ERROR("expected beginning of new option or closing brace");
+  PARSERROR;
+
+ expected_equals:
+  REPORT_ERROR("expected equals sign after option name");
+  PARSERROR;
+
+ expected_semicolon:
+  REPORT_ERROR("too many arguments to option or missing semicolon");
+  PARSERROR;
+
+ string_err:
+  REPORT_ERROR(scanstrerr);
+  PARSERROR;
+
+ string_too_long:
+  REPORT_ERROR("string length exceeds buffer size");
+  PARSERROR;
+
+ no_name_spec:
+  REPORT_ERROR("you must specify a name before a,ptr,cname,mx,ns(owner) and soa records.");
+  PARSERROR;
+
+ internal_parse_error:
+  if(asprintf(errstr,"Internal inconsistency detected while parsing line %u of %s.\n"
+	      "Please consider reporting this error to one of the maintainers.\n",linenr,conftype)<0)
+    *errstr=NULL;
+  PARSERROR;
+
+ out_of_memory:
+  /* If malloc() just failed, allocating space for an error message is unlikely to succeed. */
+  *errstr=NULL;
+  PARSERROR;
+
+ unexpected_eof:
+  if(!in || feof(in)) {
+    REPORT_ERROR(getnextperr?getnextperr:in?"unexpected end of file":"unexpected end of input string");
+  }
+  else
+    input_error: {
+    if(asprintf(errstr,"Error while reading config file: %s",strerror(errno))<0)
+      *errstr=NULL;
+  }
+
+ free_linebuf_return:
+  free(linebuf);
+  return retval;
+
+#undef SKIP_BLANKS
+#undef SCAN_STRING
+#undef REPORT_ERROR
+#undef REPORT_ERRORF
+#undef PARSERROR
+#undef OUTOFMEMERROR
+#undef CLEANUP_GOTO
+}
+
+
+/* Convert a string representation of an IP address into a binary format. */
+static const char* parse_ip(const char *ipstr, pdnsd_a *a)
+{
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+  if(!cmdlineipv) cmdlineipv=-2;
+#endif
+  {
+    if(!strcmp(ipstr,"any")) {
+#ifdef ENABLE_IPV4
+      if (run_ipv4)
+	a->ipv4.s_addr=INADDR_ANY;
+#endif
+#ifdef ENABLE_IPV6
+      ELSE_IPV6
+	a->ipv6=in6addr_any;
+#endif
+    }
+    else if(!str2pdnsd_a(ipstr,a)) {
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+      if(run_ipv4 && inet_pton(AF_INET6,ipstr,&a->ipv6)>0) {
+	return "You should set run_ipv4=off or use the command-line option -6"
+	  " before specifying an IPv6 address";
+      }
+#endif
+      return "bad IP address";
+    }
+  }
+  return NULL;
+}
+
+/* Add an IP address to the list of name servers. */
+static const char *addr_add(atup_array *ata, const char *ipstr)
+{
+  atup_t *at;
+  pdnsd_a addr;
+
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+  if(!cmdlineipv) cmdlineipv=-2;
+#endif
+  {
+    if(!str2pdnsd_a(ipstr,&addr)) {
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+      if(run_ipv4 && inet_pton(AF_INET6,ipstr,&addr.ipv6)>0) {
+	fprintf(stderr,"IPv6 address \"%s\" in config file ignored while running in IPv4 mode.\n",ipstr);
+	return NULL;
+      }
+#endif
+      return "bad IP address";
+    }
+  }
+
+  if (!(*ata=DA_GROW1(*ata))) {
+    return "out of memory!";
+  }
+  at=&DA_LAST(*ata);
+  SET_PDNSD_A2(&at->a, &addr);
+  at->is_up=0;
+  at->i_ts=0;
+  return NULL;
+}
+
+
+/* Helper functions for making netmasks */
+inline static uint32_t mk_netmask4(int len)
+{
+  uint32_t m;
+
+  if(len<=0)
+    return 0;
+
+  m= ~(uint32_t)0;
+  return (len<32)? htonl(m<<(32-len)): m;
+}
+
+#if ALLOW_LOCAL_AAAA
+inline static void mk_netmask6(struct in6_addr *m, int len)
+{
+  uint32_t *ma = (uint32_t *)m;
+  ma[0] = mk_netmask4(len);
+  ma[1] = mk_netmask4(len -= 32);
+  ma[2] = mk_netmask4(len -= 32);
+  ma[3] = mk_netmask4(len -= 32);
+}
+#endif
+
+/* Add an IP address/mask to the reject lists. */
+static const char *reject_add(servparm_t *serv, const char *ipstr)
+{
+  char *slash=strchr(ipstr,'/'); int mlen=0;
+
+  if(slash) {
+    *slash++=0;
+
+    if(*slash && isdigit(*slash)) {
+      char *endptr;
+      int l = strtol(slash,&endptr,10);
+      if(!*endptr) {
+	mlen=l;
+	slash=NULL;
+      }
+    }
+  }
+  else
+    mlen=128; /* Works for both IPv4 and IPv6 */
+
+  {
+    addr4maskpair_t am;
+
+    am.mask.s_addr = mk_netmask4(mlen);
+    if(inet_aton(ipstr,&am.a) && (!slash || inet_aton(slash,&am.mask))) {
+      if(!(serv->reject_a4=DA_GROW1(serv->reject_a4)))
+	return "out of memory!";
+
+      DA_LAST(serv->reject_a4) = am;
+      return NULL;
+    }
+  }
+#if ALLOW_LOCAL_AAAA
+  {
+    addr6maskpair_t am;
+
+    mk_netmask6(&am.mask,mlen);
+    if(inet_pton(AF_INET6,ipstr,&am.a)>0 && (!slash || inet_pton(AF_INET6,slash,&am.mask)>0)) {
+      if(!(serv->reject_a6=DA_GROW1(serv->reject_a6)))
+	return "out of memory!";
+
+      DA_LAST(serv->reject_a6) = am;
+      return NULL;
+    }
+  }
+#endif
+
+  return "bad IP address";
+}
+
+/* Try to avoid the possibility that pdnsd will query itself. */
+static void check_localaddrs(servparm_t *serv)
+{
+  if(serv->port == global.port) {
+    atup_array ata=serv->atup_a;
+    int i,j=0,n=DA_NEL(ata);
+    for(i=0;i<n;++i) {
+      atup_t *at=&DA_INDEX(ata,i);
+      if(is_inaddr_any(&global.a)) {
+	if(is_local_addr(PDNSD_A2_TO_A(&at->a))) {
+	  char buf[ADDRSTR_MAXLEN];
+	  fprintf(stderr,"Local name-server address \"%s\" ignored in config file.\n",
+		  pdnsd_a2str(PDNSD_A2_TO_A(&at->a),buf,ADDRSTR_MAXLEN));
+	  continue;
+	}
+      }
+      else {
+	if(equiv_inaddr2(&global.a,&at->a)) {
+	  char buf[ADDRSTR_MAXLEN];
+	  fprintf(stderr,"Ignoring name-server address \"%s\" in config file (identical to server_ip address).\n",
+		  pdnsd_a2str(PDNSD_A2_TO_A(&at->a),buf,ADDRSTR_MAXLEN));
+	  continue;
+	}
+      }
+      if(j<i)
+	DA_INDEX(ata,j)=*at;
+      ++j;
+    }
+    if(j<n)
+      serv->atup_a=DA_RESIZE(ata,j);
+  }
+}
+
+/* Read the name server addresses from a resolv.conf-style file. */
+static int read_resolv_conf(const char *fn, atup_array *ata, char **errstr)
+{
+  int rv=0;
+  FILE *f;
+  char *buf;
+  size_t buflen=256;
+  unsigned linenr=0;
+
+  if (!(f=fopen(fn,"r"))) {
+    if(asprintf(errstr, "Failed to open %s: %s", fn, strerror(errno))<0)
+      *errstr=NULL;
+    return 0;
+  }
+  buf=malloc(buflen);
+  if(!buf) {
+    *errstr=NULL;
+    goto fclose_return;
+  }
+  while(getline(&buf,&buflen,f)>=0) {
+    size_t len;
+    char *p,*ps;
+    ++linenr;
+    p=buf;
+    for(;; ++p) {
+      if(!*p) goto nextline;
+      if(!isspace(*p)) break;
+    }
+    ps=p;
+    do {
+      if(!*++p) goto nextline;
+    } while(!isspace(*p));
+    len=p-ps;
+    if(len==strlitlen("nameserver") && !strncmp(ps,"nameserver",len)) {
+      const char *errmsg;
+      do {
+	if(!*++p) goto nextline;
+      } while (isspace(*p));
+      ps=p;
+      do {
+	++p;
+      } while(*p && !isspace(*p));
+      len=p-ps;
+      {
+	TEMPSTRNCPY(ipstr,ps,len);
+	errmsg=addr_add(ata, ipstr);
+      }
+      if(errmsg) {
+	if(asprintf(errstr, "%s in line %u of file %s", errmsg,linenr,fn)<0)
+	  *errstr=NULL;
+	goto cleanup_return;
+      }
+    }
+  nextline:;
+  }
+  if (feof(f))
+    rv=1;
+  else if(asprintf(errstr, "Failed to read %s: %s", fn, strerror(errno))<0)
+    *errstr=NULL;
+ cleanup_return:
+  free(buf);
+ fclose_return:
+  fclose(f);
+  return rv;
+}
+
+static const char *slist_add(slist_array *sla, const char *nm, unsigned int len, int tp)
+{
+  slist_t *sl;
+  int exact=1;
+  const char *err;
+  size_t sz;
+  unsigned char rhn[DNSNAMEBUFSIZE];
+
+  if (len>1 && *nm=='.') {
+    exact=0;
+    ++nm;
+    --len;
+  }
+  if((err=parsestr2rhn(ucharp nm,len,rhn)))
+    return err;
+  sz=rhnlen(rhn);
+  if (!(*sla=DA_GROW1_F(*sla,free_slist_domain))) {
+    return "out of memory!";
+  }
+  sl=&DA_LAST(*sla);
+
+  sl->exact=exact;
+  sl->rule=tp;
+  if (!(sl->domain=malloc(sz)))
+    return "out of memory!";
+  memcpy(sl->domain,rhn,sz);
+  return NULL;
+}
+
+static const char *zone_add(zone_array *za, const char *zone, unsigned int len)
+{
+  zone_t z;
+  const char *err;
+  size_t sz;
+  unsigned char rhn[DNSNAMEBUFSIZE];
+
+  if((err=parsestr2rhn(ucharp zone,len,rhn)))
+    return err;
+  sz=rhnlen(rhn);
+  if(!(*za=DA_GROW1_F(*za,free_zone)) || !(DA_LAST(*za)=z=malloc(sz)))
+    return "out of memory!";
+  memcpy(z,rhn,sz);
+  return NULL;
+}
+
diff --git a/orbotservice/src/main/jni/pdnsd/src/conf-parser.h b/orbotservice/src/main/jni/pdnsd/src/conf-parser.h
new file mode 100644
index 0000000..d3a3e99
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/conf-parser.h
@@ -0,0 +1,29 @@
+/* conf-parser.h - definitions for parser of pdnsd config files.
+   The parser was rewritten in C from scratch and doesn't require (f)lex
+   or yacc/bison.
+
+   Copyright (C) 2004,2008 Paul A. Rombouts.
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef CONF_PARSER_H
+#define CONF_PARSER_H
+
+int confparse(FILE* in, char *prestr, globparm_t *global, servparm_array *servers, int includedepth, char **errstr);
+
+#endif /* CONF_PARSER_H */
diff --git a/orbotservice/src/main/jni/pdnsd/src/conff.c b/orbotservice/src/main/jni/pdnsd/src/conff.c
new file mode 100644
index 0000000..db6c5d1
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/conff.c
@@ -0,0 +1,544 @@
+/* conff.c - Maintain configuration information
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <pwd.h>
+#include "ipvers.h"
+#include "conff.h"
+#include "consts.h"
+#include "helpers.h"
+#include "conf-parser.h"
+#include "servers.h"
+#include "icmp.h"
+
+
+globparm_t global={
+  perm_cache:        2048,
+  cache_dir:         NULL,
+  pidfile:           NULL,
+  port:              53,
+  a:                 PDNSD_A_INITIALIZER,
+  out_a:             PDNSD_A_INITIALIZER,
+#ifdef ENABLE_IPV6
+  ipv4_6_prefix:     IN6ADDR_ANY_INIT,
+#endif
+  max_ttl:           604800,
+  min_ttl:           120,
+  neg_ttl:           900,
+  neg_rrs_pol:       C_DEFAULT,
+  neg_domain_pol:    C_AUTH,
+  verbosity:         VERBOSITY,
+  run_as:            "",
+  daemon:            0,
+  debug:             0,
+  stat_pipe:         0,
+  notcp:             0,
+  strict_suid:       1,
+  use_nss:           1,
+  paranoid:          0,
+  lndown_kluge:      0,
+  onquery:           0,
+  rnd_recs:          1,
+  ctl_perms:         0600,
+  scheme_file:       NULL,
+  proc_limit:        40,
+  procq_limit:       60,
+  tcp_qtimeout:      TCP_TIMEOUT,
+  timeout:           0,
+  par_queries:       PAR_QUERIES,
+  query_method:      M_PRESET,
+  query_port_start:  1024,
+  query_port_end:    65535,
+  udpbufsize:        1024,
+  deleg_only_zones:  NULL
+};
+
+servparm_t serv_presets={
+  port:              53,
+  uptest:            C_NONE,
+  timeout:           120,
+  interval:          900,
+  ping_timeout:      600,
+  scheme:            "",
+  uptest_cmd:        NULL,
+  uptest_usr:        "",
+  interface:         "",
+  device:            "",
+  query_test_name:   NULL,
+  label:             NULL,
+  purge_cache:       0,
+  nocache:           0,
+  lean_query:        1,
+  edns_query:        0,
+  is_proxy:          0,
+  rootserver:        0,
+  rand_servers:      0,
+  preset:            1,
+  rejectrecursively: 0,
+  rejectpolicy:      C_FAIL,
+  policy:            C_INCLUDED,
+  alist:             NULL,
+  atup_a:            NULL,
+  reject_a4:         NULL,
+#if ALLOW_LOCAL_AAAA
+  reject_a6:         NULL,
+#endif
+  ping_a:            PDNSD_A_INITIALIZER
+};
+
+servparm_array servers=NULL;
+
+static void free_zones(zone_array za);
+static void free_server_data(servparm_array sa);
+static int report_server_stat(int f,int i);
+
+
+/*
+ * Read a configuration file, saving the results in a (separate) global section and servers array,
+ * and the cache.
+ *
+ * char *nm should contain the name of the file to read. If it is NULL, the name of the config file
+ *          read during startup is used.
+ *
+ * globparm_t *global should point to a struct which will be used to store the data of the
+ *                    global section(s). If it is NULL, no global sections are allowed in the
+ *		      file.
+ *
+ * servparm_array *servers should point to a dynamic array which will be grown to store the data
+ *                         of the server sections. If it is NULL, no server sections are allowed
+ *			   in the file.
+ *
+ * char **errstr is used to return a possible error message.
+ *               In case of failure, *errstr will refer to a newly allocated string.
+ *
+ * read_config_file returns 1 on success, 0 on failure.
+ */
+int read_config_file(const char *nm, globparm_t *global, servparm_array *servers, int includedepth, char **errstr)
+{
+	int retval=0;
+	const char *conftype= (global?"config":"include");
+	FILE *in;
+
+	if (nm==NULL)
+		nm=conf_file;
+
+	if (!(in=fopen(nm,"r"))) {
+		if(asprintf(errstr,"Error: Could not open %s file %s: %s",conftype,nm,strerror(errno))<0)
+			*errstr=NULL;
+		return 0;
+	}
+
+	retval=confparse(in,NULL,global,servers,includedepth,errstr);
+close_file:
+	if(fclose(in) && retval) {
+		if(asprintf(errstr,"Error: Could not close %s file %s: %s",
+			    conftype,nm,strerror(errno))<0)
+			*errstr=NULL;
+		return 0;
+	}
+	if(retval && servers && !DA_NEL(*servers)) {
+		if(asprintf(errstr,"Error: no server sections defined in config file %s",nm)<0)
+			*errstr=NULL;
+		return 0;
+	}
+	return retval;
+}
+
+/*
+ * Re-Read the configuration file.
+ * Return 1 on success, 0 on failure.
+ * In case of failure, the old configuration will be unchanged (although the cache may not) and
+ * **errstr will refer to a newly allocated string containing an error message.
+ */
+int reload_config_file(const char *nm, char **errstr)
+{
+	globparm_t global_new;
+	servparm_array servers_new;
+
+	global_new=global;
+	global_new.cache_dir=NULL;
+	global_new.pidfile=NULL;
+	global_new.scheme_file=NULL;
+	global_new.deleg_only_zones=NULL;
+	global_new.onquery=0;
+	servers_new=NULL;
+	if(read_config_file(nm,&global_new,&servers_new,0,errstr)) {
+		if(global_new.cache_dir && strcmp(global_new.cache_dir,global.cache_dir)) {
+			*errstr=strdup("Cannot reload config file: the specified cache_dir directory has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+		if(global_new.pidfile && (!global.pidfile || strcmp(global_new.pidfile,global.pidfile))) {
+			*errstr=strdup("Cannot reload config file: the specified pid_file has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+		if(global_new.scheme_file && strcmp(global_new.scheme_file,global.scheme_file)) {
+			*errstr=strdup("Cannot reload config file: the specified scheme_file has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+		if(global_new.port!=global.port) {
+			*errstr=strdup("Cannot reload config file: the specified server_port has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+		if(!ADDR_EQUIV(&global_new.a,&global.a)) {
+			*errstr=strdup("Cannot reload config file: the specified interface address (server_ip) has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+#ifdef ENABLE_IPV6
+		if(!IN6_ARE_ADDR_EQUAL(&global_new.ipv4_6_prefix,&global.ipv4_6_prefix)) {
+			*errstr=strdup("Cannot reload config file: the specified ipv4_6_prefix has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+#endif
+		if(strcmp(global_new.run_as,global.run_as)) {
+			*errstr=strdup("Cannot reload config file: the specified run_as id has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+		if(global_new.daemon!=global.daemon) {
+			*errstr=strdup("Cannot reload config file: the daemon option has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+		if(global_new.debug!=global.debug) {
+			*errstr=strdup("Cannot reload config file: the debug option has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+		if(global_new.stat_pipe!=global.stat_pipe) {
+			*errstr=strdup("Cannot reload config file: the status_ctl option has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+		if(global_new.notcp!=global.notcp) {
+			*errstr=strdup("Cannot reload config file: the tcp_server option has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+		if(global_new.strict_suid!=global.strict_suid) {
+			*errstr=strdup("Cannot reload config file: the strict_setuid option has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+		if(global_new.ctl_perms!=global.ctl_perms) {
+			*errstr=strdup("Cannot reload config file: the specified ctl_perms has changed.\n"
+				       "Try restarting pdnsd instead.");
+			goto cleanup_return;
+		}
+		if(ping_isocket==-1
+#ifdef ENABLE_IPV6
+		   && ping6_isocket==-1
+#endif
+		  ) {
+			int i,n=DA_NEL(servers_new);
+			for (i=0;i<n;++i) {
+				if (DA_INDEX(servers_new,i).uptest==C_PING) {
+					if(asprintf(errstr,"Cannot reload config file: the ping socket is not initialized"
+						    " and the new config contains uptest=ping in server section %i.\n"
+						    "Try restarting pdnsd instead.",i)<0)
+						*errstr=NULL;
+					goto cleanup_return;
+				}
+			}
+		}
+
+		/* we need exclusive access to the server data to make the changes */
+		/* Wait at most 60 seconds to obtain a lock. */
+		if(!exclusive_lock_server_data(60)) {
+			*errstr=strdup("Cannot reload config file: Timed out while waiting for access to config data.");
+			goto cleanup_return;
+		}
+		free(global_new.cache_dir); global_new.cache_dir=global.cache_dir;
+		free(global_new.pidfile); global_new.pidfile=global.pidfile;
+		free(global_new.scheme_file); global_new.scheme_file=global.scheme_file;
+		free_zones(global.deleg_only_zones);
+		global=global_new;
+
+		free_server_data(servers);
+		servers=servers_new;
+		/* schedule a retest to check which servers are up,
+		   and free the lock. */
+		exclusive_unlock_server_data(1);
+
+		return 1;
+	}
+
+ cleanup_return:
+	free(global_new.cache_dir);
+	free(global_new.pidfile);
+	free(global_new.scheme_file);
+	free_zones(global_new.deleg_only_zones);
+	free_server_data(servers_new);
+	return 0;
+}
+
+void free_zone(void *ptr)
+{
+  free(*((unsigned char **)ptr));
+}
+
+static void free_zones(zone_array za)
+{
+	int i,n=DA_NEL(za);
+	for(i=0;i<n;++i)
+		free(DA_INDEX(za,i));
+
+	da_free(za);
+}
+
+void free_slist_domain(void *ptr)
+{
+	free(((slist_t *)ptr)->domain);
+}
+
+void free_slist_array(slist_array sla)
+{
+	int j,m=DA_NEL(sla);
+	for(j=0;j<m;++j)
+		free(DA_INDEX(sla,j).domain);
+	da_free(sla);
+
+}
+
+void free_servparm(servparm_t *serv)
+{
+	free(serv->uptest_cmd);
+	free(serv->query_test_name);
+	free(serv->label);
+	da_free(serv->atup_a);
+	free_slist_array(serv->alist);
+	da_free(serv->reject_a4);
+#if ALLOW_LOCAL_AAAA
+	da_free(serv->reject_a6);
+#endif
+}
+
+static void free_server_data(servparm_array sa)
+{
+	int i,n=DA_NEL(sa);
+	for(i=0;i<n;++i)
+		free_servparm(&DA_INDEX(sa,i));
+	da_free(sa);
+}
+
+/* Report the current configuration to the file descriptor f (for the status fifo, see status.c) */
+int report_conf_stat(int f)
+{
+	int i,n,retval=0;
+
+	fsprintf_or_return(f,"\nConfiguration:\n==============\nGlobal:\n-------\n");
+	fsprintf_or_return(f,"\tCache size: %li kB\n",global.perm_cache);
+	fsprintf_or_return(f,"\tServer directory: %s\n",global.cache_dir);
+	fsprintf_or_return(f,"\tScheme file (for Linux pcmcia support): %s\n",global.scheme_file);
+	fsprintf_or_return(f,"\tServer port: %i\n",global.port);
+	{
+	  char buf[ADDRSTR_MAXLEN];
+	  fsprintf_or_return(f,"\tServer IP (%s=any available one): %s\n", SEL_IPVER("0.0.0.0","::"),
+			     pdnsd_a2str(&global.a,buf,ADDRSTR_MAXLEN));
+	  if(!is_inaddr_any(&global.out_a)) {
+	    fsprintf_or_return(f,"\tIP bound to interface used for querying remote servers: %s\n",
+			       pdnsd_a2str(&global.out_a,buf,ADDRSTR_MAXLEN));
+	  }
+	}
+#ifdef ENABLE_IPV6
+	if(!run_ipv4) {
+	  char buf[ADDRSTR_MAXLEN];
+	  fsprintf_or_return(f,"\tIPv4 to IPv6 prefix: %s\n",inet_ntop(AF_INET6,&global.ipv4_6_prefix,buf,ADDRSTR_MAXLEN)?:"?.?.?.?");
+	}
+#endif
+	fsprintf_or_return(f,"\tIgnore cache when link is down: %s\n",global.lndown_kluge?"on":"off");
+	fsprintf_or_return(f,"\tMaximum ttl: %li\n",(long)global.max_ttl);
+	fsprintf_or_return(f,"\tMinimum ttl: %li\n",(long)global.min_ttl);
+	fsprintf_or_return(f,"\tNegative ttl: %li\n",(long)global.neg_ttl);
+	fsprintf_or_return(f,"\tNegative RRS policy: %s\n",const_name(global.neg_rrs_pol));
+	fsprintf_or_return(f,"\tNegative domain policy: %s\n",const_name(global.neg_domain_pol));
+	fsprintf_or_return(f,"\tRun as: %s\n",global.run_as);
+	fsprintf_or_return(f,"\tStrict run as: %s\n",global.strict_suid?"on":"off");
+	fsprintf_or_return(f,"\tUse NSS: %s\n",global.use_nss?"on":"off");
+	fsprintf_or_return(f,"\tParanoid mode (cache pollution prevention): %s\n",global.paranoid?"on":"off");
+	fsprintf_or_return(f,"\tControl socket permissions (mode): %o\n",global.ctl_perms);
+	fsprintf_or_return(f,"\tMaximum parallel queries served: %i\n",global.proc_limit);
+	fsprintf_or_return(f,"\tMaximum queries queued for serving: %i\n",global.procq_limit);
+	fsprintf_or_return(f,"\tGlobal timeout setting: %li\n",(long)global.timeout);
+	fsprintf_or_return(f,"\tParallel queries increment: %i\n",global.par_queries);
+	fsprintf_or_return(f,"\tRandomize records in answer: %s\n",global.rnd_recs?"on":"off");
+	fsprintf_or_return(f,"\tQuery method: %s\n",const_name(global.query_method));
+	{
+		int query_port_start=global.query_port_start;
+		if(query_port_start==-1) {
+			fsprintf_or_return(f,"\tQuery port start: (let kernel choose)\n");
+		}
+		else {
+			fsprintf_or_return(f,"\tQuery port start: %i\n",query_port_start);
+			fsprintf_or_return(f,"\tQuery port end: %i\n",global.query_port_end);
+		}
+	}
+#ifndef NO_TCP_SERVER
+	fsprintf_or_return(f,"\tTCP server thread: %s\n",global.notcp?"off":"on");
+	if(!global.notcp)
+	  {fsprintf_or_return(f,"\tTCP query timeout: %li\n",(long)global.tcp_qtimeout);}
+#endif
+	fsprintf_or_return(f,"\tMaximum udp buffer size: %i\n",global.udpbufsize);
+
+	lock_server_data();
+	{
+		int rv=fsprintf(f,"\tDelegation-only zones: ");
+		if(rv<0) {retval=rv; goto unlock_return;}
+	}
+	if(global.deleg_only_zones==NULL) {
+		int rv=fsprintf(f,"(none)\n");
+		if(rv<0) {retval=rv; goto unlock_return;}
+	}
+	else {
+		int rv;
+		n=DA_NEL(global.deleg_only_zones);
+		for(i=0;i<n;++i) {
+			unsigned char buf[DNSNAMEBUFSIZE];
+			rv=fsprintf(f,i==0?"%s":", %s",
+					rhn2str(DA_INDEX(global.deleg_only_zones,i),buf,sizeof(buf)));
+			if(rv<0) {retval=rv; goto unlock_return;}
+		}
+		rv=fsprintf(f,"\n");
+		if(rv<0) {retval=rv; goto unlock_return;}
+	}
+
+	n=DA_NEL(servers);
+	for(i=0;i<n;++i) {
+		int rv=report_server_stat(f,i);
+		if(rv<0) {retval=rv; goto unlock_return;}
+	}
+ unlock_return:
+	unlock_server_data();
+
+	return retval;
+}
+
+
+#if ALLOW_LOCAL_AAAA
+#define serv_has_rejectlist(s) ((s)->reject_a4!=NULL || (s)->reject_a6!=NULL)
+#else
+#define serv_has_rejectlist(s) ((s)->reject_a4!=NULL)
+#endif
+
+
+/* Report the current status of server i to the file descriptor f.
+   Call with locks applied.
+*/
+static int report_server_stat(int f,int i)
+{
+	servparm_t *st=&DA_INDEX(servers,i);
+	int j,m;
+
+	fsprintf_or_return(f,"Server %i:\n------\n",i);
+	fsprintf_or_return(f,"\tlabel: %s\n",st->label?st->label:"(none)");
+	m=DA_NEL(st->atup_a);
+	if(st->rootserver>1 && m)
+		fsprintf_or_return(f,"\tThe following name servers will be used for discovery of rootservers only:\n");
+	for(j=0;j<m;j++) {
+		atup_t *at=&DA_INDEX(st->atup_a,j);
+		{char buf[ADDRSTR_MAXLEN];
+		 fsprintf_or_return(f,"\tip: %s\n",pdnsd_a2str(PDNSD_A2_TO_A(&at->a),buf,ADDRSTR_MAXLEN));}
+		fsprintf_or_return(f,"\tserver assumed available: %s\n",at->is_up?"yes":"no");
+	}
+	fsprintf_or_return(f,"\tport: %hu\n",st->port);
+	fsprintf_or_return(f,"\tuptest: %s\n",const_name(st->uptest));
+	fsprintf_or_return(f,"\ttimeout: %li\n",(long)st->timeout);
+	if(st->interval>0) {
+		fsprintf_or_return(f,"\tuptest interval: %li\n",(long)st->interval);
+	} else {
+		fsprintf_or_return(f,"\tuptest interval: %s\n",
+				   st->interval==-1?"onquery":
+				   st->interval==-2?"ontimeout":
+				                    "(never retest)");
+	}
+	fsprintf_or_return(f,"\tping timeout: %li\n",(long)st->ping_timeout);
+	{char buf[ADDRSTR_MAXLEN];
+	 fsprintf_or_return(f,"\tping ip: %s\n",is_inaddr_any(&st->ping_a)?"(using server ip)":pdnsd_a2str(&st->ping_a,buf,ADDRSTR_MAXLEN));}
+	if(st->interface[0]) {
+		fsprintf_or_return(f,"\tinterface: %s\n",st->interface);
+	}
+	if(st->device[0]) {
+		fsprintf_or_return(f,"\tdevice (for special Linux ppp device support): %s\n",st->device);
+	}
+	if(st->uptest_cmd) {
+		fsprintf_or_return(f,"\tuptest command: %s\n",st->uptest_cmd);
+		fsprintf_or_return(f,"\tuptest user: %s\n",st->uptest_usr[0]?st->uptest_usr:"(process owner)");
+	}
+	if(st->query_test_name) {
+		unsigned char nmbuf[DNSNAMEBUFSIZE];
+		fsprintf_or_return(f,"\tname used in query uptest: %s\n",
+				   rhn2str(st->query_test_name,nmbuf,sizeof(nmbuf)));
+	}
+	if (st->scheme[0]) {
+		fsprintf_or_return(f,"\tscheme: %s\n", st->scheme);
+	}
+	fsprintf_or_return(f,"\tforce cache purging: %s\n",st->purge_cache?"on":"off");
+	fsprintf_or_return(f,"\tserver is cached: %s\n",st->nocache?"off":"on");
+	fsprintf_or_return(f,"\tlean query: %s\n",st->lean_query?"on":"off");
+	fsprintf_or_return(f,"\tUse EDNS in outgoing queries: %s\n",st->edns_query?"on":"off");
+	fsprintf_or_return(f,"\tUse only proxy?: %s\n",st->is_proxy?"on":"off");
+	fsprintf_or_return(f,"\tAssumed root server: %s\n",st->rootserver?(st->rootserver==1?"yes":"discover"):"no");
+	fsprintf_or_return(f,"\tRandomize server query order: %s\n",st->rand_servers?"yes":"no");
+	fsprintf_or_return(f,"\tDefault policy: %s\n",const_name(st->policy));
+	fsprintf_or_return(f,"\tPolicies:%s\n", st->alist?"":" (none)");
+	for (j=0;j<DA_NEL(st->alist);++j) {
+		slist_t *sl=&DA_INDEX(st->alist,j);
+		unsigned char buf[DNSNAMEBUFSIZE];
+		fsprintf_or_return(f,"\t\t%s: %s%s\n",
+				   sl->rule==C_INCLUDED?"include":"exclude",
+				   sl->exact?"":".",
+				   rhn2str(sl->domain,buf,sizeof(buf)));
+	}
+	if(serv_has_rejectlist(st)) {
+		fsprintf_or_return(f,"\tAddresses which should be rejected in replies:\n");
+		m=DA_NEL(st->reject_a4);
+		for (j=0;j<m;++j) {
+			addr4maskpair_t *am=&DA_INDEX(st->reject_a4,j);
+			char abuf[ADDRSTR_MAXLEN],mbuf[ADDRSTR_MAXLEN];
+			fsprintf_or_return(f,"\t\t%s/%s\n",inet_ntop(AF_INET,&am->a,abuf,sizeof(abuf)),
+					   inet_ntop(AF_INET,&am->mask,mbuf,sizeof(mbuf)));
+		}
+#if ALLOW_LOCAL_AAAA
+		m=DA_NEL(st->reject_a6);
+		for (j=0;j<m;++j) {
+			addr6maskpair_t *am=&DA_INDEX(st->reject_a6,j);
+			char abuf[INET6_ADDRSTRLEN],mbuf[INET6_ADDRSTRLEN];
+			fsprintf_or_return(f,"\t\t%s/%s\n",inet_ntop(AF_INET6,&am->a,abuf,sizeof(abuf)),
+					   inet_ntop(AF_INET6,&am->mask,mbuf,sizeof(mbuf)));
+		}
+#endif
+		fsprintf_or_return(f,"\tReject policy: %s\n",const_name(st->rejectpolicy));
+		fsprintf_or_return(f,"\tReject recursively: %s\n",st->rejectrecursively?"yes":"no");
+	}
+	return 0;
+}
diff --git a/orbotservice/src/main/jni/pdnsd/src/conff.h b/orbotservice/src/main/jni/pdnsd/src/conff.h
new file mode 100644
index 0000000..a07b156
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/conff.h
@@ -0,0 +1,190 @@
+/* conff.h - Definitions for configuration management.
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef CONFF_H
+#define CONFF_H
+
+/* XXX should use the system defined ones. */
+/* #define MAXPATH 1024 */
+/* #define MAXIFNAME 31 */
+
+#include <config.h>
+#include <stdio.h>
+#include <pthread.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include "ipvers.h"
+#include "list.h"
+
+/* From main.c */
+#if DEBUG>0
+extern short int debug_p;
+#else
+#define debug_p 0
+#endif
+extern short int stat_pipe;
+extern pthread_t main_thrid;
+extern uid_t init_uid;
+extern char *conf_file;
+
+/* ----------- */
+
+typedef DYNAMIC_ARRAY(pdnsd_a) *addr_array;
+typedef DYNAMIC_ARRAY(pdnsd_a2) *addr2_array;
+
+typedef struct {
+  time_t     i_ts;
+  char       is_up;
+  pdnsd_a2   a;
+} atup_t;
+typedef DYNAMIC_ARRAY(atup_t) *atup_array;
+
+typedef struct {
+	unsigned char   *domain;
+	short            exact;
+	short            rule;
+} slist_t;
+typedef DYNAMIC_ARRAY(slist_t) *slist_array;
+
+typedef struct {
+	struct in_addr   a,mask;
+} addr4maskpair_t;
+
+typedef DYNAMIC_ARRAY(addr4maskpair_t) *a4_array;
+
+#if ALLOW_LOCAL_AAAA
+typedef struct {
+	struct in6_addr  a,mask;
+} addr6maskpair_t;
+
+typedef DYNAMIC_ARRAY(addr6maskpair_t) *a6_array;
+#endif
+
+typedef struct {
+	unsigned short   port;
+	short            uptest;
+	time_t           timeout;
+	time_t           interval;
+	time_t           ping_timeout;
+        char             scheme[32];
+	char            *uptest_cmd;
+	char             uptest_usr[21];
+	char             interface[IFNAMSIZ];
+ 	char             device[IFNAMSIZ];
+	unsigned char   *query_test_name;
+	char            *label;
+	char             purge_cache;
+	char             nocache;
+	char             lean_query;
+	char             edns_query;
+	char             is_proxy;
+	char             rootserver;
+	char             rand_servers;
+	char             preset;
+	char             rejectrecursively;
+	short            rejectpolicy;
+	short            policy;
+	slist_array      alist;
+	atup_array       atup_a;
+	a4_array         reject_a4;
+#if ALLOW_LOCAL_AAAA
+	a6_array         reject_a6;
+#endif
+	pdnsd_a          ping_a;
+} servparm_t;
+typedef DYNAMIC_ARRAY(servparm_t) *servparm_array;
+
+typedef unsigned char *zone_t;
+typedef DYNAMIC_ARRAY(zone_t) *zone_array;
+
+typedef struct {
+	long          perm_cache;
+	char         *cache_dir;
+	char         *pidfile;
+	int           port;
+	pdnsd_a       a;
+	pdnsd_a       out_a;
+#ifdef ENABLE_IPV6
+	struct in6_addr ipv4_6_prefix;
+#endif
+	time_t        max_ttl;
+	time_t        min_ttl;
+	time_t        neg_ttl;
+	short         neg_rrs_pol;
+	short         neg_domain_pol;
+	short         verbosity;
+	char          run_as[21];
+	char          daemon;
+	char          debug;
+	char          stat_pipe;
+	char          notcp;
+	char          strict_suid;
+	char          use_nss;
+	char          paranoid;
+	char          lndown_kluge;
+	char	      onquery;
+	char          rnd_recs;
+	int           ctl_perms;
+        char         *scheme_file;
+	int           proc_limit;
+	int           procq_limit;
+	time_t        tcp_qtimeout;
+	time_t        timeout;
+	int           par_queries;
+	int           query_method;
+	int           query_port_start;
+	int           query_port_end;
+	int           udpbufsize;
+	zone_array    deleg_only_zones;
+} globparm_t;
+
+typedef struct {
+	char
+#ifdef ENABLE_IPV6
+		prefix,
+#endif
+		pidfile,
+		verbosity,
+		pdnsduser,
+		daemon,
+		debug,
+		stat_pipe,
+		notcp,
+		query_method;
+} cmdlineflags_t;
+
+extern globparm_t global;
+extern cmdlineflags_t cmdline;
+extern servparm_t serv_presets;
+
+extern servparm_array servers;
+
+int read_config_file(const char *nm, globparm_t *global, servparm_array *servers, int includedepth, char **errstr);
+int reload_config_file(const char *nm, char **errstr);
+void free_zone(void *ptr);
+void free_slist_domain(void *ptr);
+void free_slist_array(slist_array sla);
+void free_servparm(servparm_t *serv);
+
+int report_conf_stat(int f);
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/consts.c b/orbotservice/src/main/jni/pdnsd/src/consts.c
new file mode 100644
index 0000000..c875a09
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/consts.c
@@ -0,0 +1,133 @@
+/* consts.c - Common config constants & handling
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2005, 2006, 2007, 2009 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <stdlib.h>
+#include <string.h>
+#include "consts.h"
+#include "rr_types.h"
+
+
+/* Order alphabetically!! */
+static const namevalue_t const_dic[]={
+	{"auth",        C_AUTH},
+	{"default",     C_DEFAULT},
+	{"dev",         C_DEV},
+	{"diald",       C_DIALD},
+	{"discover",    C_DISCOVER},
+	{"domain",      C_DOMAIN},
+	{"excluded",    C_EXCLUDED},
+	{"exec",        C_EXEC},
+	{"fail",        C_FAIL},
+	{"false",       C_OFF},
+	{"fqdn_only",   C_FQDN_ONLY},
+	{"if",          C_IF},
+	{"included",    C_INCLUDED},
+	{"negate",      C_NEGATE},
+	{"no",          C_OFF},
+	{"none",        C_NONE},
+	{"off",         C_OFF},
+	{"on",          C_ON},
+	{"onquery",     C_ONQUERY},
+	{"ontimeout",   C_ONTIMEOUT},
+	{"ping",        C_PING},
+	{"query",       C_QUERY},
+	{"simple_only", C_SIMPLE_ONLY},
+	{"tcp_only",    TCP_ONLY},
+	{"tcp_udp",     TCP_UDP},
+	{"true",        C_ON},
+	{"udp_only",    UDP_ONLY},
+	{"udp_tcp",     UDP_TCP},
+	{"yes",         C_ON}
+};
+
+/* Added by Paul Rombouts */
+static const char *const const_names[]={
+	"error",
+	"on",
+	"off",
+	"default",
+	"discover",
+	"none",
+	"if",
+	"exec",
+	"ping",
+	"query",
+	"onquery",
+	"ontimeout",
+	"udp_only",
+	"tcp_only",
+	"tcp_udp",
+	"udp_tcp",
+	"dev",
+	"diald",
+	"included",
+	"excluded",
+	"simple_only",
+	"fqdn_only",
+	"auth",
+	"domain",
+	"fail",
+	"negate"
+};
+
+/* compare two strings.
+   The first one is given as pointer to a char array of length len (which
+   should not contain any null chars),
+   the second one as a pointer to a null terminated char array.
+*/
+inline static int keyncmp(const char *key1, int len, const char *key2)
+{
+	int cmp=strncmp(key1,key2,len);
+	if(cmp) return cmp;
+	return -(int)((unsigned char)(key2[len]));
+}
+
+int binsearch_keyword(const char *name, int len, const namevalue_t dic[], int range)
+{
+	int i=0,j=range;
+
+	while(i<j) {
+		int k=(i+j)/2;
+		int cmp=keyncmp(name,len,dic[k].name);
+		if(cmp<0)
+			j=k;
+		else if(cmp>0)
+			i=k+1;
+		else
+			return dic[k].val;
+	}
+
+	return 0;
+}
+
+
+int lookup_const(const char *name, int len)
+{
+	return binsearch_keyword(name,len,const_dic,sizeof(const_dic)/sizeof(namevalue_t));
+}
+
+/* Added by Paul Rombouts */
+const char *const_name(int c)
+{
+  return (c>=0 && c<sizeof(const_names)/sizeof(char *))? const_names[c] : "ILLEGAL!";
+}
diff --git a/orbotservice/src/main/jni/pdnsd/src/consts.h b/orbotservice/src/main/jni/pdnsd/src/consts.h
new file mode 100644
index 0000000..c812b15
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/consts.h
@@ -0,0 +1,69 @@
+/* consts.h - Common config constants & handling
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2005, 2006, 2007, 2009 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef CONSTS_H
+#define CONSTS_H
+
+#include <config.h>
+
+#define C_RRTOFFS  64
+
+enum {
+	C_ERR,
+	C_ON,
+	C_OFF,
+	C_DEFAULT,
+	C_DISCOVER,
+	C_NONE,
+	C_IF,
+	C_EXEC,
+	C_PING,
+	C_QUERY,
+	C_ONQUERY,
+	C_ONTIMEOUT,
+	UDP_ONLY,
+	TCP_ONLY,
+	TCP_UDP,
+	UDP_TCP,
+	C_DEV,
+	C_DIALD,
+	C_INCLUDED,
+	C_EXCLUDED,
+	C_SIMPLE_ONLY,
+	C_FQDN_ONLY,
+	C_AUTH,
+	C_DOMAIN,
+	C_FAIL,
+	C_NEGATE
+};
+
+typedef struct {
+	const char *name;
+	int         val;
+} namevalue_t;
+
+int binsearch_keyword(const char *name, int len, const namevalue_t dic[], int range);
+int lookup_const(const char *name, int len);
+const char *const_name(int c);  /* Added by Paul Rombouts */
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/debug.c b/orbotservice/src/main/jni/pdnsd/src/debug.c
new file mode 100644
index 0000000..dd7f244
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/debug.c
@@ -0,0 +1,64 @@
+/* debug.c -  Various debugging facilities
+ * Copyright (C) 2001 Thomas Moestl
+ *
+ * This file is part of the pdnsd package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <string.h>
+#include "helpers.h"
+#include "error.h"
+
+
+/*
+ * This is indeed very primitive (it does not track allocation failures
+ * and so on). It should be expanded some time.
+ */
+#ifdef ALLOC_DEBUG
+void *DBGcalloc(size_t n, size_t sz, char *file, int line)
+{
+	DEBUG_MSG("+ calloc, %s:%d\n", file, line);
+	return calloc(n, sz);
+}
+
+void *DBGmalloc(size_t sz, char *file, int line)
+{
+	DEBUG_MSG("+ malloc, %s:%d\n", file, line);
+	return malloc(sz);
+}
+
+void *DBGrealloc(void *ptr, size_t sz, char *file, int line)
+{
+	if (ptr == NULL && sz != 0)
+		DEBUG_MSG("+ realloc, %s:%d\n", file, line);
+	if (ptr != NULL && sz == 0)
+		DEBUG_MSG("- realloc(0), %s:%d\n", file, line);
+	return realloc(ptr, sz);
+}
+void DBGfree(void *ptr, char *file, int line)
+{
+	DEBUG_MSG("- free, %s:%d\n", file, line);
+	free(ptr);
+}
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/debug.h b/orbotservice/src/main/jni/pdnsd/src/debug.h
new file mode 100644
index 0000000..02f0e5d
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/debug.h
@@ -0,0 +1,52 @@
+/* debug.h - Various debugging facilities
+ * Copyright (C) 2001 Thomas Moestl
+ *
+ * This file is part of the pdnsd package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#ifndef DEBUG_H
+#define DEBUG_H
+
+/*
+ * A hand-rolled alloc debug factility, because most available libraries have
+ * problems with at least one thread implementation.
+ */
+#ifdef ALLOC_DEBUG
+void *DBGcalloc(size_t n, size_t sz, char *file, int line);
+void *DBGmalloc(size_t sz, char *file, int line);
+void *DBGrealloc(void *ptr, size_t sz, char *file, int line);
+void DBGfree(void *ptr, char *file, int line);
+
+#define pdnsd_calloc(n,sz)	DBGcalloc(n,sz,__FILE__,__LINE__)
+#define pdnsd_malloc(sz)	DBGmalloc(sz,__FILE__,__LINE__)
+#define pdnsd_realloc(ptr,sz)	DBGrealloc(ptr,sz,__FILE__,__LINE__)
+#define pdnsd_free(ptr)		DBGfree(ptr,__FILE__,__LINE__)
+#else
+#define pdnsd_calloc	calloc
+#define pdnsd_malloc	malloc
+#define pdnsd_realloc	realloc
+#define pdnsd_free	free
+#endif
+
+#endif /* def DEBUG_H */
diff --git a/orbotservice/src/main/jni/pdnsd/src/dns.c b/orbotservice/src/main/jni/pdnsd/src/dns.c
new file mode 100644
index 0000000..a02d7fd
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/dns.c
@@ -0,0 +1,617 @@
+/* dns.c - Declarations for dns handling and generic dns functions
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "error.h"
+#include "helpers.h"
+#include "dns.h"
+
+
+/* Decompress a name record, taking the whole message as msg, returning its results in tgt
+ * (which should be able hold at least DNSNAMEBUFSIZE chars),
+ * taking sz as the remaining msg size (it is returned decremented by the name length, ready for further use) and
+ * a source pointer (it is returned pointing to the location after the name). msgsize is the size of the whole message,
+ * len is the total name length.
+ * msg and msgsz are needed for decompression (see rfc1035). The returned data is decompressed, but still in the
+ * rr name form (length byte - string of that length, terminated by a 0 length byte).
+ *
+ * Returned is a dns return code, with one exception: RC_TRUNC, as defined in dns.h, indicates that the message is
+ * truncated at the name (which needs a special return code, as it might or might not be fatal).
+ */
+int decompress_name(unsigned char *msg, size_t msgsz, unsigned char **src, size_t *sz, unsigned char *tgt, unsigned int *len)
+{
+	unsigned int lb,offs;
+	unsigned int hops=0,tpos=0;
+	unsigned char *lptr=*src;
+	size_t oldsz=*sz;
+	size_t newsz=oldsz;
+
+	if (newsz==0)
+		goto name_outside_data;
+	if (lptr-msg>=msgsz)
+		goto name_outside_msg;
+
+	for(;;) {
+		newsz--;
+		lb=*lptr++;
+
+		if(lb>0x3f) {
+ 			if (lb<0xc0)     /* The two highest bits must be either 00 or 11 */
+				goto unsupported_lbl_bits;
+			if (newsz==0)
+				goto name_outside_data;
+			if (lptr-msg>=msgsz)
+				goto name_outside_msg;
+			newsz--;
+			offs=((lb&0x3f)<<8)|(*lptr);
+			if (offs>=msgsz)
+				goto offset_outside_msg;
+			lptr=msg+offs;
+			goto jumped;
+		}
+ 		tgt[tpos++]=lb;
+		if (lb==0)
+			break;
+
+		if (newsz<=lb)
+			goto name_outside_data;
+		if (lptr+lb-msg>=msgsz)
+			goto name_outside_msg;
+		if (tpos+lb>DNSNAMEBUFSIZE-1) /* terminating null byte has to follow */
+			goto name_buf_full;
+		newsz -= lb;
+		do {
+			/* if (!*lptr || *lptr=='.')
+				return RC_FORMAT; */
+			tgt[tpos++]=*lptr++;
+		} while(--lb);
+	}
+	goto return_OK;
+
+ jumped:
+	++hops;
+	for(;;) {
+		lb=*lptr++;
+
+		while(lb>0x3f) {
+ 			if (lb<0xc0)     /* The two highest bits must be either 00 or 11 */
+				goto unsupported_lbl_bits;
+			if (lptr-msg>=msgsz)
+				goto name_outside_msg;
+			if (++hops>255)
+				goto too_many_hops;
+			offs=((lb&0x3f)<<8)|(*lptr);
+			if (offs>=msgsz)
+				goto offset_outside_msg;
+			lptr=msg+offs;
+			lb=*lptr++;
+		}
+ 		tgt[tpos++]=lb;
+		if (lb==0)
+			break;
+
+		if (lptr+lb-msg>=msgsz)
+			goto name_outside_msg;
+		if(tpos+lb>DNSNAMEBUFSIZE-1) /* terminating null byte has to follow */
+			goto name_buf_full;
+		do {
+			/* if (!*lptr || *lptr=='.')
+				return RC_FORMAT; */
+			tgt[tpos++]=*lptr++;
+		} while(--lb);
+	}
+ return_OK:
+	*src += oldsz-newsz;
+	*sz = newsz;
+	if(len) *len=tpos;
+	return RC_OK;
+
+ name_outside_data:
+	DEBUG_MSG("decompress_name: compressed name extends outside data field.\n");
+	return RC_TRUNC;
+
+ name_outside_msg:
+	DEBUG_MSG("decompress_name: compressed name extends outside message.\n");
+	return RC_FORMAT;
+
+ unsupported_lbl_bits:
+	DEBUG_MSG(lb==0x41?"decompress_name: Bit-string labels not supported.\n":
+		  "decompress_name: unsupported label type.\n");
+	return RC_FORMAT;
+
+ offset_outside_msg:
+	DEBUG_MSG("decompress_name: offset points outside message.\n");
+	return RC_FORMAT;
+
+ name_buf_full:
+	DEBUG_MSG("decompress_name: decompressed name larger than %u bytes.\n", DNSNAMEBUFSIZE);
+	return RC_FORMAT;
+
+ too_many_hops:
+	DEBUG_MSG("decompress_name: too many offsets in compressed name.\n");
+	return RC_FORMAT;
+}
+
+#if 0
+/* Compare two names (ordinary C-strings) back-to-forth and return the longest match.
+   The comparison is done at name granularity.
+   The return value is the length of the match in name elements.
+   *os (*od) is set to the offset in the domain name ms (md) of the match.
+ */
+int domain_name_match(const unsigned char *ms, const unsigned char *md, int *os, int *od)
+{
+	int i,j,k=0,offs,offd;
+
+	offs=i=strlen(ms); offd=j=strlen(md);
+	if(i && ms[i-1]=='.') --offs;
+	if(j && md[j-1]=='.') --offd;
+
+	if(i==0 || (i==1 && *ms=='.') || j==0 || (j==1 && *md=='.'))
+		/* Special case: root domain */
+		;
+	else {
+		--i; if(ms[i]=='.') --i;
+		--j; if(md[j]=='.') --j;
+		while(tolower(ms[i]) == tolower(md[j])) {
+			if(ms[i]=='.') {
+				++k;
+				offs=i+1; offd=j+1;
+			}
+			if(i==0 || j==0) {
+				if((i==0 || ms[i-1]=='.') && (j==0 || md[j-1]=='.')) {
+					++k;
+					offs=i; offd=j;
+				}
+				break;
+			}
+			--i; --j;
+		}
+	}
+	if(os) *os=offs;
+	if(od) *od=offd;
+	return k;
+}
+#endif
+
+/* Compare the names (in length byte-string notation) back-to-forth and return the longest match.
+   The comparison is done at name granularity.
+   The return value is the length of the match in name elements.
+   *os (*od) is set to the offset in the domain name ms (md) of the match.
+ */
+unsigned int domain_match(const unsigned char *ms, const unsigned char *md, unsigned int *os, unsigned int *od)
+{
+	unsigned int i,j,k,n,ns=0,nd=0,offs,offd;
+	unsigned char lb,ls[128],ld[128];
+
+	/* first collect all length bytes */
+	i=0;
+	while((lb=ms[i])) {
+		PDNSD_ASSERT(ns<128, "domain_match: too many name segments");
+		ls[ns++]=lb;
+		i += ((unsigned)lb)+1;
+	}
+
+	j=0;
+	while((lb=md[j])) {
+		PDNSD_ASSERT(nd<128, "domain_match: too many name segments");
+		ld[nd++]=lb;
+		j += ((unsigned)lb)+1;
+	}
+
+	n=ns;  if(n>nd) n=nd;
+
+	for(k=1; offs=i,offd=j,k<=n; ++k) {
+		lb=ls[ns-k];
+		if(lb!=ld[nd-k]) goto mismatch;
+		for(;lb;--lb)
+			if(tolower(ms[--i]) != tolower(md[--j])) goto mismatch;
+		--i; --j;
+	}
+ mismatch:
+
+	if(os) *os=offs;
+	if(od) *od=offd;
+	return k-1;
+}
+
+/* compress the domain name in in and put the result (of maximum length of rhnlen(in)) and
+ * fill cb with compression information for further strings.*cb may be NULL initially.
+ * offs is the offset the generated string will be placed in the packet.
+ * retval: 0 - error, otherwise length
+ * When done, just free() cb (if it is NULL, free will behave correctly).
+ * It is guaranteed (and insured by assertions) that the output is smaller or equal in
+ * size to the input.
+ */
+unsigned int compress_name(unsigned char *in, unsigned char *out, unsigned int offs, dlist *cb)
+{
+	compel_t *ci;
+	unsigned int longest=0,lrem=0,coffs=0;
+	unsigned int rl=0;
+	unsigned ilen = rhnlen(in);
+	unsigned short add=1;
+
+	PDNSD_ASSERT(ilen<=DNSNAMEBUFSIZE, "compress_name: name too long");
+
+	/* part 1: compression */
+	for (ci=dlist_first(*cb); ci; ci=dlist_next(ci)) {
+		unsigned int rv,rem,to;
+		if ((rv=domain_match(in, ci->s, &rem,&to))>longest) {
+			/*
+			 * This has some not obvious implications that should be noted: If a
+			 * domain name as saved in the list has been compressed, we only can
+			 * index the non-compressed part. We rely here that the first occurence
+			 * can't be compressed. So we take the first occurence of a given length.
+			 * This works perfectly, but watch it if you change something.
+			 */
+			unsigned int newoffs= ci->index + to;
+			 /* Only use if the offset is not too large. */
+			if(newoffs<=0x3fff) {
+				longest=rv;
+				lrem=rem;
+				coffs= newoffs;
+			}
+		}
+	}
+	if (longest>0) {
+		PDNSD_ASSERT(lrem+2 <= ilen, "compress_name: length increased");
+		memcpy(out, in,lrem);
+		out[lrem]=0xc0|((coffs&0x3f00)>>8);
+		out[lrem+1]=coffs&0xff;
+		rl=lrem+2;
+		add= lrem!=0;
+	}
+	else {
+		memcpy(out,in,ilen);
+		rl=ilen;
+	}
+
+	/* part 2: addition to the cache structure */
+	if (add) {
+		if (!(*cb=dlist_grow(*cb,sizeof(compel_t)+ilen)))
+			return 0;
+		ci=dlist_last(*cb);
+		ci->index=offs;
+		memcpy(ci->s,in,ilen);
+	}
+	return rl;
+}
+
+/* Convert a numeric IP address into a domain name representation
+   (C string) suitable for PTR records.
+   buf is assumed to be at least DNSNAMEBUFSIZE bytes in size.
+*/
+int a2ptrstr(pdnsd_ca *a, int tp, unsigned char *buf)
+{
+	if(tp==T_A) {
+		unsigned char *p=(unsigned char *)&a->ipv4.s_addr;
+		int n=snprintf(charp buf,DNSNAMEBUFSIZE,"%u.%u.%u.%u.in-addr.arpa.",p[3],p[2],p[1],p[0]);
+		if(n<0 || n>=DNSNAMEBUFSIZE)
+			return 0;
+	}
+	else
+#if ALLOW_LOCAL_AAAA
+	if(tp==T_AAAA) {
+		unsigned char *p=(unsigned char *)&a->ipv6;
+		int i,offs=0;
+		for (i=15;i>=0;--i) {
+			unsigned char bt=p[i];
+			int n=snprintf(charp(buf+offs), DNSNAMEBUFSIZE-offs,"%x.%x.",bt&0xf,(bt>>4)&0xf);
+			if(n<0) return 0;
+			offs+=n;
+			if(offs>=DNSNAMEBUFSIZE) return 0;
+		}
+		if(!strncp(charp(buf+offs),"ip6.arpa.",DNSNAMEBUFSIZE-offs))
+			return 0;
+	}
+	else
+#endif
+		return 0;
+	return 1;
+}
+
+/*
+ * Add records for a host as read from a hosts-style file.
+ * Returns 1 on success, 0 in an out of memory condition, and -1 when there was a problem with
+ * the record data.
+ */
+static int add_host(unsigned char *pn, unsigned char *rns, pdnsd_ca *a, int tp, int a_sz, time_t ttl, unsigned flags, int reverse)
+{
+	dns_cent_t ce;
+
+	if (!init_cent(&ce, pn, 0, 0, flags  DBG0))
+		return 0;
+	if (!add_cent_rr(&ce,tp,ttl,0,CF_LOCAL,a_sz,a  DBG0))
+		goto free_cent_return0;
+	if (!add_cent_rr(&ce,T_NS,ttl,0,CF_LOCAL,rhnlen(rns),rns  DBG0))
+		goto free_cent_return0;
+	add_cache(&ce);
+	free_cent(&ce  DBG0);
+	if (reverse) {
+		unsigned char b2[DNSNAMEBUFSIZE],rhn[DNSNAMEBUFSIZE];
+		if(!a2ptrstr(a,tp,b2))
+			return -1;
+		if (!str2rhn(b2,rhn))
+			return -1;
+		if (!init_cent(&ce, rhn, 0, 0, flags  DBG0))
+			return 0;
+		if (!add_cent_rr(&ce,T_PTR,ttl,0,CF_LOCAL,rhnlen(pn),pn  DBG0))
+			goto free_cent_return0;
+		if (!add_cent_rr(&ce,T_NS,ttl,0,CF_LOCAL,rhnlen(rns),rns  DBG0))
+			goto free_cent_return0;
+		add_cache(&ce);
+		free_cent(&ce  DBG0);
+	}
+	return 1;
+
+ free_cent_return0:
+	free_cent(&ce  DBG0);
+	return 0;
+}
+
+/*
+ * Read a file in /etc/hosts-format and add generate rrs for it.
+ * Errors are largely ignored so that we can skip entries we do not understand
+ * (but others possibly do).
+ */
+int read_hosts(const char *fn, unsigned char *rns, time_t ttl, unsigned flags, int aliases, char **errstr)
+{
+	int rv=0;
+	FILE *f;
+	char *buf;
+	size_t buflen=256;
+
+	if (!(f=fopen(fn,"r"))) {
+		if(asprintf(errstr, "Failed to source %s: %s", fn, strerror(errno))<0) *errstr=NULL;
+		return 0;
+	}
+	buf=malloc(buflen);
+	if(!buf) {
+		*errstr=NULL;
+		goto fclose_return;
+	}
+	while(getline(&buf,&buflen,f)>=0) {
+		unsigned int len;
+		unsigned char *p,*pn,*pi;
+		unsigned char rhn[DNSNAMEBUFSIZE];
+		int tp,sz;
+		pdnsd_ca a;
+
+		p= ucharp strchr(buf,'#');
+		if(p) *p=0;
+		p= ucharp buf;
+		for(;;) {
+			if(!*p) goto nextline;
+			if(!isspace(*p)) break;
+			++p;
+		}
+		pi=p;
+		do {
+			if(!*++p) goto nextline;
+		} while(!isspace(*p));
+		*p=0;
+		do {
+			if(!*++p) goto nextline;
+		} while (isspace(*p));
+		pn=p;
+		do {
+			++p;
+		} while(*p && !isspace(*p));
+		len=p-pn;
+		if (parsestr2rhn(pn,len,rhn)!=NULL)
+			continue;
+		if (inet_aton(charp pi,&a.ipv4)) {
+			tp=T_A;
+			sz=sizeof(struct in_addr);
+		} else {
+#if ALLOW_LOCAL_AAAA    /* We don't read them otherwise, as the C library may not be able to to that.*/
+			if (inet_pton(AF_INET6,charp pi,&a.ipv6)>0) {
+				tp=T_AAAA;
+				sz=sizeof(struct in6_addr);
+			} else
+#endif
+			continue;
+		}
+		{
+			int res=add_host(rhn, rns, &a, tp,sz, ttl, flags, 1);
+			if(res==0) {
+				*errstr= NULL;
+				goto cleanup_return;
+			}
+			else if(res<0)
+				continue;
+		}
+		if(aliases) {
+			for(;;) {
+				for(;;) {
+					if(!*p) goto nextline;
+					if(!isspace(*p)) break;
+					++p;
+				}
+				pn=p;
+				do {
+					++p;
+				} while(*p && !isspace(*p));
+				len=p-pn;
+				if (parsestr2rhn(pn,len,rhn)!=NULL)
+					break;
+				if (add_host(rhn, rns, &a, tp,sz, ttl, flags, 0) == 0) {
+					*errstr= NULL;
+					goto cleanup_return;
+				}
+			}
+		}
+	nextline:;
+	}
+	if (feof(f))
+		rv=1;
+	else if(asprintf(errstr, "Failed to source %s: %s", fn, strerror(errno))<0) *errstr=NULL;
+ cleanup_return:
+	free(buf);
+ fclose_return:
+	fclose(f);
+	return rv;
+}
+
+
+/* Get the name of an RR type given its value. */
+const char *getrrtpname(int tp)
+{
+	return tp>=T_MIN && tp<=T_MAX? rrnames[tp-T_MIN]: "[unknown]";
+}
+
+#if DEBUG>0
+/*
+ * Const decoders for debugging display
+ */
+static const char *const c_names[C_NUM] = {"IN","CS","CH","HS"};
+static const char *const qt_names[QT_NUM]={"IXFR","AXFR","MAILB","MAILA","*"};
+
+const char *get_cname(int id)
+{
+	if (id>=C_MIN && id<=C_MAX)
+		return c_names[id-C_MIN];
+	if (id==QC_ALL)
+		return "*";
+	return "[unknown]";
+}
+
+const char *get_tname(int id)
+{
+	if (id>=T_MIN && id<=T_MAX)
+		return rrnames[id-T_MIN];
+        else if (id>=QT_MIN && id<=QT_MAX)
+		return qt_names[id-QT_MIN];
+	return "[unknown]";
+}
+
+
+#define NRC 17
+static const char *const e_names[NRC]={
+	"no error",
+	"query format error",
+	"server failed",
+	"non-existent domain",
+	"not supported",
+	"query refused",
+	"name exists when it should not",
+	"RR set exists when it should not",
+	"RR set that should exist does not",
+	"server not authoritative for zone",
+	"name not contained in zone",
+	"11",
+	"12",
+	"13",
+	"14",
+	"15",
+	"bad OPT version"
+};
+
+const char *get_ename(int id)
+{
+	if (id>=0 && id<NRC)
+		return e_names[id];
+	return "[unknown]";
+}
+
+
+/* Construct a human-readable string listing the flags that are set
+   in a dns header. buf must have a size of at least DNSFLAGSMAXSTRSIZE.
+   Used for debugging purposes only.
+*/
+char *dnsflags2str(dns_hdr_t *hdr, char *buf)
+{
+	char *p= buf;
+
+	if (hdr->aa)
+		p=mempcpy(p, " AA", 3);
+	if (hdr->tc)
+		p=mempcpy(p, " TC", 3);
+	if (hdr->rd)
+		p=mempcpy(p, " RD", 3);
+	if (hdr->ra)
+		p=mempcpy(p, " RA", 3);
+	if (hdr->z)
+		p=mempcpy(p, " Z", 2);
+	if (hdr->ad)
+		p=mempcpy(p, " AD", 3);
+	if (hdr->cd)
+		p=mempcpy(p, " CD", 3);
+	*p=0;
+
+	return buf;
+}
+
+#endif
+
+
+#if DEBUG>=9
+/* Based on debug code contributed by Kiyo Kelvin Lee. */
+
+void debug_dump_dns_msg(void *data, size_t len)
+{
+	unsigned char *udata = (unsigned char *)data;
+#       define dmpchksz 16
+	char buf[dmpchksz*4+2];
+	size_t i, j, k, l;
+
+	DEBUG_MSG("pointer=%p len=%lu\n", udata, (unsigned long)len);
+
+	for (i = 0; i < len; i += dmpchksz) {
+		char *cp = buf;
+		k = l = i + dmpchksz;
+		if(k > len) k = len;
+		for (j = i; j < k; ++j) {
+			int n = sprintf(cp, "%02x ", udata[j]);
+			cp += n;
+		}
+		for (; j < l; ++j) {
+			*cp++ = ' ';
+			*cp++ = ' ';
+			*cp++ = ' ';
+		}
+		*cp++ = ' ';
+		for (j = i; j < k; ++j) {
+			*cp++ = isprint(udata[j]) ? udata[j] : '.';
+		}
+		PDNSD_ASSERT(cp < buf + sizeof(buf), "debug_dump_dns_msg: line buffer overflowed");
+		*cp = '\0';
+		DEBUG_MSG("%s\n", buf);
+	}
+
+	if(len >= sizeof(dns_hdr_t)) {
+		dns_hdr_t *hdr = (dns_hdr_t *)data;
+
+		DEBUG_MSG(
+			"id=%04x qr=%x opcode=%x aa=%x tc=%x rd=%x "
+			"ra=%x z=%x ad=%x cd=%x rcode=%x\n",
+			ntohs(hdr->id), hdr->qr, hdr->opcode, hdr->aa, hdr->tc, hdr->rd,
+			hdr->ra, hdr->z, hdr->ad, hdr->cd, hdr->rcode);
+		DEBUG_MSG(
+			"qdcount=%04x ancount=%04x nscount=%04x arcount=%04x\n",
+			ntohs(hdr->qdcount), ntohs(hdr->ancount), ntohs(hdr->nscount), ntohs(hdr->arcount));
+	}
+}
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/dns.h b/orbotservice/src/main/jni/pdnsd/src/dns.h
new file mode 100644
index 0000000..0f6a4ac
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/dns.h
@@ -0,0 +1,309 @@
+/* dns.h - Declarations for dns handling and generic dns functions
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2004, 2005, 2009, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef DNS_H
+#define DNS_H
+
+#include <config.h>
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <sys/types.h>
+#include <inttypes.h>
+#include "rr_types.h"
+#include "list.h"
+#include "ipvers.h"
+
+#if (TARGET==TARGET_BSD)
+# if !defined(__BIG_ENDIAN)
+#  if defined(BIG_ENDIAN)
+#   define __BIG_ENDIAN BIG_ENDIAN
+#  elif defined(_BIG_ENDIAN)
+#   define __BIG_ENDIAN _BIG_ENDIAN
+#  endif
+# endif
+# if !defined(__LITTLE_ENDIAN)
+#  if defined(LITTLE_ENDIAN)
+#   define __LITTLE_ENDIAN LITTLE_ENDIAN
+#  elif defined(_LITTLE_ENDIAN)
+#   define __LITTLE_ENDIAN _LITTLE_ENDIAN
+#  endif
+# endif
+# if !defined(__BYTE_ORDER)
+#  if defined(BYTE_ORDER)
+#   define __BYTE_ORDER BYTE_ORDER
+#  elif defined(_BYTE_ORDER)
+#   define __BYTE_ORDER _BYTE_ORDER
+#  endif
+# endif
+#endif
+
+/* Deal with byte orders */
+#ifndef __BYTE_ORDER
+# if defined(__LITTLE_ENDIAN) && defined(__BIG_ENDIAN)
+#  error Fuzzy endianness system! Both __LITTLE_ENDIAN and __BIG_ENDIAN have been defined!
+# endif
+# if !defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN)
+#  error Strange Endianness-less system! Neither __LITTLE_ENDIAN nor __BIG_ENDIAN has been defined!
+# endif
+# if defined(__LITTLE_ENDIAN)
+#  define __BYTE_ORDER __LITTLE_ENDIAN
+# elif defined(__BIG_ENDIAN)
+#  define __BYTE_ORDER __BIG_ENDIAN
+# endif
+#endif
+
+/* special rr type codes for queries */
+#define QT_MIN    251
+#define QT_IXFR   251
+#define QT_AXFR   252
+#define QT_MAILB  253
+#define QT_MAILA  254
+#define QT_ALL    255
+#define QT_MAX    255
+#define QT_NUM      5
+
+/* rr classes */
+#define C_MIN       1
+#define C_IN        1
+#define C_CS        2
+#define C_CH        3
+#define C_HS        4
+#define C_MAX       4
+#define C_NUM       4
+
+/* special classes for queries */
+#define QC_ALL    255
+
+/* status codes */
+#define RC_OK       0
+#define RC_FORMAT   1
+#define RC_SERVFAIL 2
+#define RC_NAMEERR  3
+#define RC_NOTSUPP  4
+#define RC_REFUSED  5
+#define RC_BADVERS 16
+
+/*
+ * special internal retvals
+ */
+#define RC_NOTCACHED  0xfffa
+#define RC_CACHED     0xfffb
+#define RC_STALE      0xfffc
+#define RC_TCPREFUSED 0xfffd
+#define RC_TRUNC      0xfffe
+#define RC_FATALERR   0xffff
+
+/* query/response */
+#define QR_QUERY    0
+#define QR_RESP     1
+
+/*opcodes */
+#define OP_QUERY    0
+#define OP_IQUERY   1
+#define OP_STATUS   2
+
+#if 0
+typedef struct {
+	/* the name is the first field. It has variable length, so it can't be put in the struct */
+	uint16_t type;
+	uint16_t class;
+	uint32_t ttl;
+	uint16_t rdlength;
+	/* rdata follows */
+} __attribute__((packed)) rr_hdr_t;
+
+#define sizeof_rr_hdr_t (sizeof rr_hdr_t)
+#else
+
+/* We will not actually use the rr_hdr_t type, only its size:
+   sizeof(rr_hdr_t) = 2 + 2 + 4 + 2 */
+#define sizeof_rr_hdr_t 10
+#endif
+
+#define sizeof_opt_pseudo_rr  (1+sizeof_rr_hdr_t)
+
+#if 0
+typedef struct {
+	/* The server name and maintainer mailbox are the first two fields. It has variable length, */
+	/* so they can't be put in the struct */
+	uint32_t serial;
+	uint32_t refresh;
+	uint32_t retry;
+	uint32_t expire;
+	uint32_t minimum;
+} __attribute__((packed)) soa_r_t;
+
+
+typedef struct {
+/*	char           qname[];*/
+	uint16_t qtype;
+	uint16_t qclass;
+} __attribute__((packed)) std_query_t;
+#endif
+
+
+typedef struct {
+	uint16_t id;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	unsigned int   rd:1;
+	unsigned int   tc:1;
+	unsigned int   aa:1;
+	unsigned int   opcode:4;
+	unsigned int   qr:1;
+	unsigned int   rcode:4;
+	unsigned int   cd:1;
+	unsigned int   ad:1;
+	unsigned int   z :1;
+	unsigned int   ra:1;
+#elif __BYTE_ORDER == __BIG_ENDIAN
+	unsigned int   qr:1;
+	unsigned int   opcode:4;
+	unsigned int   aa:1;
+	unsigned int   tc:1;
+	unsigned int   rd:1;
+	unsigned int   ra:1;
+	unsigned int   z :1;
+	unsigned int   ad:1;
+	unsigned int   cd:1;
+	unsigned int   rcode:4;
+#else
+# error	"Please define __BYTE_ORDER to be __LITTLE_ENDIAN or __BIG_ENDIAN"
+#endif
+	uint16_t qdcount;
+	uint16_t ancount;
+	uint16_t nscount;
+	uint16_t arcount;
+} __attribute__((packed)) dns_hdr_t;
+
+
+/* A structure that can also be used for DNS messages over TCP. */
+typedef struct {
+#ifndef NO_TCP_QUERIES
+	uint16_t len;
+#endif
+	dns_hdr_t hdr;
+} __attribute__((packed)) dns_msg_t;
+
+#ifdef NO_TCP_QUERIES
+# define dnsmsghdroffset 0
+#else
+# define dnsmsghdroffset 2
+#endif
+
+
+/* Structure for storing EDNS (Extension mechanisms for DNS) information. */
+typedef struct {
+	unsigned short udpsize;
+	unsigned short rcode;
+	unsigned short version;
+	unsigned char  do_flg;
+} edns_info_t;
+
+
+/* Macros to retrieve or store integer data that is not necessarily aligned.
+   Also takes care of network to host byte order.
+   The pointer cp is advanced and should be of type void* or char*.
+   These are actually adapted versions of the NS_GET16 and NS_GET32
+   macros in the arpa/nameser.h include file in the BIND 9 source.
+*/
+
+#define GETINT16(s,cp) do {							\
+	register uint16_t t_s;							\
+	register const unsigned char *t_cp = (const unsigned char *)(cp);	\
+	t_s = (uint16_t)*t_cp++ << 8;						\
+	t_s |= (uint16_t)*t_cp++;						\
+	(s) = t_s;								\
+	(cp) = (void *)t_cp;							\
+} while (0)
+
+#define GETINT32(l,cp) do {							\
+	register uint32_t t_l;							\
+	register const unsigned char *t_cp = (const unsigned char *)(cp);	\
+	t_l = (uint32_t)*t_cp++ << 24;						\
+	t_l |= (uint32_t)*t_cp++ << 16;						\
+	t_l |= (uint32_t)*t_cp++ << 8;						\
+	t_l |= (uint32_t)*t_cp++;						\
+	(l) = t_l;								\
+	(cp) = (void *)t_cp;							\
+} while (0)
+
+#define PUTINT16(s,cp) do {					\
+	register uint16_t t_s = (uint16_t)(s);			\
+	register unsigned char *t_cp = (unsigned char *)(cp);	\
+	*t_cp++ = t_s >> 8;					\
+	*t_cp++ = t_s;						\
+	(cp) = (void *)t_cp;					\
+} while (0)
+
+#define PUTINT32(l,cp) do {					\
+	register uint32_t t_l = (uint32_t)(l);			\
+	register unsigned char *t_cp = (unsigned char *)(cp);	\
+	*t_cp++ = t_l >> 24;					\
+	*t_cp++ = t_l >> 16;					\
+	*t_cp++ = t_l >> 8;					\
+	*t_cp++ = t_l;						\
+	(cp) = (void *)t_cp;					\
+} while (0)
+
+
+/* Size (number of bytes) of buffers used to hold domain names. */
+#define DNSNAMEBUFSIZE 256
+
+/* Recursion depth. */
+#define MAX_HOPS 20
+
+/*
+ * Types for compression buffers.
+ */
+typedef struct {
+	unsigned int  index;
+	unsigned char s[0];
+} compel_t;
+
+
+
+int decompress_name(unsigned char *msg, size_t msgsz, unsigned char **src, size_t *sz, unsigned char *tgt, unsigned int *len);
+/* int domain_name_match(const unsigned char *ms, const unsigned char *md, int *os, int *od); */
+unsigned int domain_match(const unsigned char *ms, const unsigned char *md, unsigned int *os, unsigned int *od);
+unsigned int compress_name(unsigned char *in, unsigned char *out, unsigned int offs, dlist *cb);
+int a2ptrstr(pdnsd_ca *a, int tp, unsigned char *buf);
+int read_hosts(const char *fn, unsigned char *rns, time_t ttl, unsigned flags, int aliases, char **errstr);
+
+const char *getrrtpname(int tp);
+#if DEBUG>0
+const char *get_cname(int id);
+const char *get_tname(int id);
+const char *get_ename(int id);
+#define DNSFLAGSMAXSTRSIZE (7*3+1)
+char *dnsflags2str(dns_hdr_t *hdr, char *buf);
+#endif
+
+#if DEBUG>=9
+void debug_dump_dns_msg(void *data, size_t len);
+#define DEBUG_DUMP_DNS_MSG(d,l) {if(debug_p && global.verbosity>=9) debug_dump_dns_msg(d,l);}
+#else
+#define DEBUG_DUMP_DNS_MSG(d,l)
+#endif
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/dns_answer.c b/orbotservice/src/main/jni/pdnsd/src/dns_answer.c
new file mode 100644
index 0000000..6a2a5b5
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/dns_answer.c
@@ -0,0 +1,2170 @@
+/* dns_answer.c - Receive and process incoming dns queries.
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * STANDARD CONFORMITY
+ *
+ * There are several standard conformity issues noted in the comments.
+ * Some additional comments:
+ *
+ * I always set RA but I ignore RD largely (in everything but CNAME recursion),
+ * not because it is not supported, but because I _always_ do a recursive
+ * resolve in order to be able to cache the results.
+ */
+
+#include <config.h>
+#include "ipvers.h"
+#include <pthread.h>
+#include <sys/uio.h>
+#include <sys/types.h>
+#ifdef HAVE_SYS_POLL_H
+#include <sys/poll.h>
+#endif
+#include <sys/param.h>
+#include <netdb.h>
+#include <signal.h>
+#include <time.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include "thread.h"
+#include "list.h"
+#include "dns.h"
+#include "dns_answer.h"
+#include "dns_query.h"
+#include "helpers.h"
+#include "cache.h"
+#include "error.h"
+#include "debug.h"
+
+
+/*
+ * This is for error handling to prevent spewing the log files.
+ * Maximums of different message types are set.
+ * Races do not really matter here, so no locks.
+ */
+#define TCP_MAX_ERRS 10
+#define UDP_MAX_ERRS 10
+#define MEM_MAX_ERRS 10
+#define THRD_MAX_ERRS 10
+#define MISC_MAX_ERRS 10
+static volatile unsigned long da_tcp_errs=0;
+static volatile unsigned long da_udp_errs=0;
+static volatile unsigned long da_mem_errs=0;
+static volatile unsigned long da_thrd_errs=0;
+#if DEBUG>0
+static volatile unsigned long da_misc_errs=0;
+#endif
+static volatile int procs=0;   /* active query processes */
+static volatile int qprocs=0;  /* queued query processes */
+static volatile unsigned long dropped=0,spawned=0;
+static volatile unsigned thrid_cnt=0;
+static pthread_mutex_t proc_lock = PTHREAD_MUTEX_INITIALIZER;
+
+#ifdef SOCKET_LOCKING
+static pthread_mutex_t s_lock = PTHREAD_MUTEX_INITIALIZER;
+#endif
+
+typedef union {
+#ifdef ENABLE_IPV4
+# if (TARGET==TARGET_LINUX)
+	struct in_pktinfo   pi4;
+# else
+	struct in_addr      ai4;
+# endif
+#endif
+#ifdef ENABLE_IPV6
+	struct in6_pktinfo  pi6;
+#endif
+} pkt_info_t;
+
+
+typedef struct {
+	union {
+#ifdef ENABLE_IPV4
+		struct sockaddr_in  sin4;
+#endif
+#ifdef ENABLE_IPV6
+		struct sockaddr_in6 sin6;
+#endif
+	}                  addr;
+
+	pkt_info_t         pi;
+
+	int                sock;
+	int                proto;
+	size_t             len;
+	unsigned char      buf[0];  /* Actual size determined by global.udpbufsize */
+} udp_buf_t;
+
+
+/* ALLOCINITIALSIZE should be at least sizeof(dns_msg_t) = 2+12 */
+#define ALLOCINITIALSIZE 256
+/* This mask corresponds to a chunk size of 128 bytes. */
+#define ALLOCCHUNKSIZEMASK ((size_t)0x7f)
+
+typedef struct {
+	unsigned short qtype;
+	unsigned short qclass;
+	unsigned char  query[0];
+} dns_queryel_t;
+
+
+#define S_ANSWER     1
+#define S_AUTHORITY  2
+#define S_ADDITIONAL 3
+
+typedef struct {
+	unsigned short tp,dlen;
+	unsigned char nm[0];
+	/* unsigned char data[0]; */
+} sva_t;
+
+
+/*
+ * Mark an additional record as added to avoid double records.
+ */
+static int sva_add(dlist *sva, const unsigned char *rhn, unsigned short tp, unsigned short dlen, void* data)
+{
+	if (sva) {
+		size_t rlen=rhnlen(rhn);
+		sva_t *st;
+		if (!(*sva=dlist_grow(*sva,sizeof(sva_t)+rlen+dlen))) {
+			return 0;
+		}
+		st=dlist_last(*sva);
+		st->tp=tp;
+		st->dlen=dlen;
+		memcpy(mempcpy(st->nm,rhn,rlen),data,dlen);
+	}
+	return 1;
+}
+
+/* ans_ttl computes the ttl value to return to the client.
+   This is the ttl value stored in the cache entry minus the time
+   the cache entry has lived in the cache.
+   Local cache entries are an exception, they never "age".
+*/
+inline static time_t ans_ttl(rr_set_t *rrset, time_t queryts)
+{
+	time_t ttl= rrset->ttl;
+
+	if (!(rrset->flags&CF_LOCAL)) {
+		time_t tpassed= queryts - rrset->ts;
+		if(tpassed<0) tpassed=0;
+		ttl -= tpassed;
+		if(ttl<0) ttl=0;
+	}
+	return ttl;
+}
+
+/* follow_cname_chain takes a cache entry and a buffer (must be at least DNSNAMEBUFSIZE bytes),
+   and copies the name indicated by the first cname record in the cache entry.
+   The name is returned in length-byte string notation.
+   follow_cname_chain returns 1 if a cname record is found, otherwise 0.
+*/
+inline static int follow_cname_chain(dns_cent_t *c, unsigned char *name)
+{
+	rr_set_t *rrset=getrrset_CNAME(c);
+	rr_bucket_t *rr;
+	if (!rrset || !(rr=rrset->rrs))
+		return 0;
+	PDNSD_ASSERT(rr->rdlen <= DNSNAMEBUFSIZE, "follow_cname_chain: record too long");
+	memcpy(name,rr->data,rr->rdlen);
+	return 1;
+}
+
+
+/*
+ * Add data from a rr_bucket_t (as in cache) into a dns message in ans. Ans is grown
+ * to fit, sz is the old size of the packet (it is modified so at the end of the procedure
+ * it is the new size), type is the rr type and ltime is the time in seconds the record is
+ * old.
+ * cb is the buffer used for message compression. *cb should be NULL when you call compress_name
+ * or add_to_response the first time.
+ * It gets filled with a pointer to compression information that can be reused in subsequent calls
+ * to add_to_response.
+ * sect is the section (S_ANSWER, S_AUTHORITY or S_ADDITIONAL) in which the record
+ * belongs logically. Note that you still have to add the rrs in the right order (answer rrs first,
+ * then authority and last additional).
+ */
+static int add_rr(dns_msg_t **ans, size_t *sz, size_t *allocsz,
+		  unsigned char *rrn, unsigned short type, uint32_t ttl,
+		  unsigned int dlen, void *data, char section, unsigned *udp, dlist *cb)
+{
+	size_t osz= *sz;
+	unsigned int ilen,blen,rdlen;
+	unsigned char *rrht;
+
+	{
+		unsigned int nlen;
+		unsigned char nbuf[DNSNAMEBUFSIZE];
+
+		if (!(nlen=compress_name(rrn,nbuf,*sz,cb)))
+			return 0;
+
+		/* This buffer is usually over-allocated due to compression.
+		   Never mind, just a few bytes, and the buffer is freed soon. */
+		{
+			size_t newsz= dnsmsghdroffset + *sz + nlen + sizeof_rr_hdr_t + dlen;
+			if(newsz > *allocsz) {
+				/* Need to allocate more space.
+				   To avoid frequent reallocs, we allocate
+				   a multiple of a certain chunk size. */
+				size_t newallocsz= (newsz+ALLOCCHUNKSIZEMASK)&(~ALLOCCHUNKSIZEMASK);
+				dns_msg_t *newans=(dns_msg_t *)pdnsd_realloc(*ans,newallocsz);
+				if (!newans)
+					return 0;
+				*ans=newans;
+				*allocsz=newallocsz;
+			}
+		}
+		memcpy((unsigned char *)(&(*ans)->hdr)+ *sz, nbuf, nlen);
+		*sz += nlen;
+	}
+
+	/* the rr header will be filled in later. Just reserve some space for it. */
+	rrht= ((unsigned char *)(&(*ans)->hdr)) + *sz;
+	*sz += sizeof_rr_hdr_t;
+
+	switch (type) {
+	case T_CNAME:
+	case T_MB:
+	case T_MD:
+	case T_MF:
+	case T_MG:
+	case T_MR:
+	case T_NS:
+	case T_PTR:
+		if (!(rdlen=compress_name(((unsigned char *)data), ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
+			return 0;
+		PDNSD_ASSERT(rdlen <= dlen, "T_CNAME/T_MB/...: got longer");
+		*sz+=rdlen;
+		break;
+#if IS_CACHED_MINFO || IS_CACHED_RP
+#if IS_CACHED_MINFO
+	case T_MINFO:
+#endif
+#if IS_CACHED_RP
+	case T_RP:
+#endif
+		if (!(rdlen=compress_name(((unsigned char *)data), ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
+			return 0;
+		*sz+=rdlen;
+		ilen=rhnlen((unsigned char *)data);
+		PDNSD_ASSERT(rdlen <= ilen, "T_MINFO/T_RP: got longer");
+		if (!(blen=compress_name(((unsigned char *)data)+ilen, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
+			return 0;
+		rdlen+=blen;
+		PDNSD_ASSERT(rdlen <= dlen, "T_MINFO/T_RP: got longer");
+		*sz+=blen;
+		break;
+#endif
+	case T_MX:
+#if IS_CACHED_AFSDB
+	case T_AFSDB:
+#endif
+#if IS_CACHED_RT
+	case T_RT:
+#endif
+#if IS_CACHED_KX
+	case T_KX:
+#endif
+		PDNSD_ASSERT(dlen > 2, "T_MX/T_AFSDB/...: rr botch");
+		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),(unsigned char *)data,2);
+		*sz+=2;
+		if (!(blen=compress_name(((unsigned char *)data)+2, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
+			return 0;
+		rdlen=2+blen;
+		PDNSD_ASSERT(rdlen <= dlen, "T_MX/T_AFSDB/...: got longer");
+		*sz+=blen;
+		break;
+	case T_SOA:
+		if (!(rdlen=compress_name(((unsigned char *)data), ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
+			return 0;
+		*sz+=rdlen;
+		ilen=rhnlen((unsigned char *)data);
+		PDNSD_ASSERT(rdlen <= ilen, "T_SOA: got longer");
+		if (!(blen=compress_name(((unsigned char *)data)+ilen, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
+			return 0;
+		rdlen+=blen;
+		*sz+=blen;
+		ilen+=rhnlen(((unsigned char *)data)+ilen);
+		PDNSD_ASSERT(rdlen <= ilen, "T_SOA: got longer");
+		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),((unsigned char *)data)+ilen,20);
+		rdlen+=20;
+		PDNSD_ASSERT(rdlen <= dlen, "T_SOA: rr botch");
+		*sz+=20;
+		break;
+#if IS_CACHED_PX
+	case T_PX:
+		PDNSD_ASSERT(dlen > 2, "T_PX: rr botch");
+		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),(unsigned char *)data,2);
+		*sz+=2;
+		ilen=2;
+		if (!(blen=compress_name(((unsigned char *)data)+ilen, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
+			return 0;
+		rdlen=2+blen;
+		*sz+=blen;
+		ilen+=rhnlen(((unsigned char *)data)+ilen);
+		PDNSD_ASSERT(rdlen <= ilen, "T_PX: got longer");
+		if (!(blen=compress_name(((unsigned char *)data)+ilen, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
+			return 0;
+		rdlen+=blen;
+		PDNSD_ASSERT(rdlen <= dlen, "T_PX: got longer");
+		*sz+=blen;
+		break;
+#endif
+#if IS_CACHED_SRV
+	case T_SRV:
+		PDNSD_ASSERT(dlen > 6, "T_SRV: rr botch");
+		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),(unsigned char *)data,6);
+		*sz+=6;
+		if (!(blen=compress_name(((unsigned char *)data)+6, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
+			return 0;
+		rdlen=6+blen;
+		PDNSD_ASSERT(rdlen <= dlen, "T_SRV: got longer");
+		*sz+=blen;
+		break;
+#endif
+#if IS_CACHED_NXT
+	case T_NXT:
+		if (!(blen=compress_name(((unsigned char *)data), ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
+			return 0;
+		rdlen=blen;
+		*sz+=blen;
+		ilen=rhnlen((unsigned char *)data);
+		PDNSD_ASSERT(rdlen <= ilen, "T_NXT: got longer");
+		PDNSD_ASSERT(dlen >= ilen, "T_NXT: rr botch");
+		if (dlen > ilen) {
+			unsigned int wlen = dlen - ilen;
+			memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),((unsigned char *)data)+ilen,wlen);
+			*sz+=wlen;
+			rdlen+=wlen;
+		}
+		break;
+#endif
+#if IS_CACHED_NAPTR
+	case T_NAPTR:
+		PDNSD_ASSERT(dlen > 4, "T_NAPTR: rr botch");
+		ilen=4;
+		{
+			int j;
+			for (j=0;j<3;j++) {
+				ilen += ((unsigned)*(((unsigned char *)data)+ilen)) + 1;
+				PDNSD_ASSERT(dlen > ilen, "T_NAPTR: rr botch 2");
+			}
+		}
+		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),((unsigned char *)data),ilen);
+		(*sz)+=ilen;
+
+		if (!(blen=compress_name(((unsigned char *)data)+ilen, ((unsigned char *)(&(*ans)->hdr))+(*sz),*sz,cb)))
+			return 0;
+		rdlen=ilen+blen;
+		PDNSD_ASSERT(rdlen <= dlen, "T_NAPTR: got longer");
+		*sz+=blen;
+		break;
+#endif
+	default:
+		memcpy(((unsigned char *)(&(*ans)->hdr))+(*sz),((unsigned char *)data),dlen);
+		rdlen=dlen;
+		*sz+=dlen;
+	}
+
+	if (udp && *sz>*udp && section==S_ADDITIONAL) /* only add the record if we do not increase the length over 512 */
+		*sz=osz;                              /* (or possibly more if the request used EDNS) in additionals for udp answer. */
+	else {
+		PUTINT16(type,rrht);
+		PUTINT16(C_IN,rrht);
+		PUTINT32(ttl,rrht);
+		PUTINT16(rdlen,rrht);
+
+		switch (section) {
+		case S_ANSWER:
+			(*ans)->hdr.ancount=htons(ntohs((*ans)->hdr.ancount)+1);
+			break;
+		case S_AUTHORITY:
+			(*ans)->hdr.nscount=htons(ntohs((*ans)->hdr.nscount)+1);
+			break;
+		case S_ADDITIONAL:
+			(*ans)->hdr.arcount=htons(ntohs((*ans)->hdr.arcount)+1);
+			break;
+		}
+	}
+
+	return 1;
+}
+
+/* Add an OPT pseudo RR containing EDNS info.
+   Can only be added to the additional section!
+*/
+int add_opt_pseudo_rr(dns_msg_t **ans, size_t *sz, size_t *allocsz,
+		      unsigned short udpsize, unsigned short rcode,
+		      unsigned short ednsver, unsigned short Zflags)
+{
+	unsigned char *ptr;
+	size_t newsz= dnsmsghdroffset + *sz + sizeof_opt_pseudo_rr;
+	if(newsz > *allocsz) {
+		/* Need to allocate more space.
+		   To avoid frequent reallocs, we allocate
+		   a multiple of a certain chunk size. */
+		size_t newallocsz= (newsz+ALLOCCHUNKSIZEMASK)&(~ALLOCCHUNKSIZEMASK);
+		dns_msg_t *newans=(dns_msg_t *)pdnsd_realloc(*ans,newallocsz);
+		if (!newans)
+			return 0;
+		*ans=newans;
+		*allocsz=newallocsz;
+	}
+
+	ptr= ((unsigned char *)(&(*ans)->hdr)) + *sz;
+	*ptr++ = 0;             /* Empty name */
+	PUTINT16(T_OPT,ptr);    /* type field */
+	PUTINT16(udpsize,ptr);  /* class field */
+	*ptr++ = rcode>>4;      /* 4 byte TTL field */
+	*ptr++ = ednsver;
+	PUTINT16(Zflags,ptr);
+	PUTINT16(0,ptr);        /* rdlen field */
+        /* Empty RDATA. */
+
+	*sz += sizeof_opt_pseudo_rr;
+	/* Increment arcount field in dns header. */
+	(*ans)->hdr.arcount = htons(ntohs((*ans)->hdr.arcount)+1);
+	return 1;
+}
+
+/* Remove the last entry in the additional section,
+   assuming it is an OPT pseudo RR of fixed size.
+   Returns the new message size if successful, or
+   zero if an inconsistency is detected.
+*/
+size_t remove_opt_pseudo_rr(dns_msg_t *ans, size_t sz)
+{
+	uint16_t acnt=ntohs(ans->hdr.arcount), type;
+	unsigned char *ptr;
+	/* First do some sanity checks. */
+	if(!(acnt>0 && sz >= sizeof(dns_hdr_t)+sizeof_opt_pseudo_rr))
+		return 0;
+	sz -= sizeof_opt_pseudo_rr;
+	ptr= ((unsigned char *)(&ans->hdr)) + sz;
+	if(*ptr++)
+		return 0;  /* Name must be empty. */
+	GETINT16(type,ptr);
+	if(type!=T_OPT)
+		return 0;  /* RR type must be OPT. */
+	/* Decrement arcount field in dns header. */
+	ans->hdr.arcount = htons(acnt-1);
+	return sz;
+}
+
+typedef struct rre_s {
+	unsigned short tp;
+	unsigned short tsz;		/* Size of tnm field */
+	uint32_t       ttl;		/* ttl of the record in the answer (if tp==T_NS or T_SOA) */
+	unsigned char  tnm[0];		/* Name for the domain a record refers to */
+	/* unsigned char  nm[0]; */	/* Name of the domain the record is for (if tp==T_NS or T_SOA) */
+} rr_ext_t;
+
+
+/* types for the tp field */
+/* #define RRETP_NS	T_NS */		/* For name server: add to authority, add address to additional. */
+/* #define RRETP_SOA	T_SOA */	/* For SOA record: add to authority. */
+#define RRETP_ADD	0		/* For other records: add the address of buf to additional */
+
+static int add_ar(dlist *ar,unsigned short tp, unsigned short tsz,void *tnm,unsigned char *nm, uint32_t ttl)
+{
+	rr_ext_t *re;
+	unsigned char *p;
+	size_t nmsz=0,size=sizeof(rr_ext_t)+tsz;
+	if(tp==T_NS || tp==T_SOA) {
+		nmsz=rhnlen(nm);
+		size += nmsz;
+	}
+	if (!(*ar=dlist_grow(*ar,size)))
+		return 0;
+	re=dlist_last(*ar);
+	re->tp=tp;
+	re->tsz=tsz;
+	re->ttl=ttl;
+	p=mempcpy(re->tnm,tnm,tsz);
+	if(tp==T_NS || tp==T_SOA) {
+		memcpy(p,nm,nmsz);
+	}
+	return 1;
+}
+
+
+/* Select a random rr record from a list. */
+inline static rr_bucket_t *randrr(rr_bucket_t *rrb)
+{
+	rr_bucket_t *rr;
+	unsigned cnt=0;
+
+	/* In order to have an equal chance for each record to be selected, we have to count first. */
+	for(rr=rrb; rr; rr=rr->next) ++cnt;
+
+	/* We do not use the pdnsd random functions (these might use /dev/urandom if the user is paranoid,
+	 * and we do not need any good PRNG here). */
+	if(cnt) for(cnt=random()%cnt; cnt; --cnt) rrb=rrb->next;
+
+	return rrb;
+}
+
+#if IS_CACHED_SRV
+#define AR_NUM 6
+#else
+#define AR_NUM 5
+#endif
+static const int ar_recs[AR_NUM]={T_NS, T_MD, T_MF, T_MB, T_MX
+#if IS_CACHED_SRV
+				  ,T_SRV
+#endif
+};
+/* offsets from record data start to server name */
+static const int ar_offs[AR_NUM]={0,0,0,0,2
+#if IS_CACHED_SRV
+				  ,6
+#endif
+};
+
+/* This adds an rrset, optionally randomizing the first element it adds.
+ * if that is done, all rrs after the randomized one appear in order, starting from
+ * that one and wrapping over if needed. */
+static int add_rrset(dns_msg_t **ans, size_t *sz, size_t *allocsz,
+		     unsigned char *rrn, unsigned tp, time_t queryts,
+		     dns_cent_t *cached, unsigned *udp, dlist *cb, dlist *sva, dlist *ar)
+{
+	rr_set_t *crrset=getrrset(cached,tp);
+
+	if (crrset && crrset->rrs) {
+		rr_bucket_t *b;
+		rr_bucket_t *first=NULL; /* Initialized to inhibit compiler warning */
+		int i;
+		short rnd_recs=global.rnd_recs;
+
+		b=crrset->rrs;
+		if (rnd_recs) b=first=randrr(crrset->rrs);
+
+		while (b) {
+			if (!add_rr(ans, sz, allocsz, rrn, tp, ans_ttl(crrset,queryts),
+				    b->rdlen, b->data, S_ANSWER, udp, cb))
+				return 0;
+			if (tp==T_NS || tp==T_A || tp==T_AAAA) {
+				/* mark it as added */
+				if (!sva_add(sva,rrn,tp,b->rdlen,b->data))
+					return 0;
+			}
+			/* Mark for additional address records. XXX: this should be a more effective algorithm; at least the list is small */
+			for (i=0;i<AR_NUM;i++) {
+				if (ar_recs[i]==tp) {
+					if (!add_ar(ar, RRETP_ADD,b->rdlen-ar_offs[i],((unsigned char *)(b->data))+ar_offs[i],
+						    ucharp "", 0))
+						return 0;
+					break;
+				}
+			}
+			b=b->next;
+			if (rnd_recs) {
+				if(!b) b=crrset->rrs; /* wraparound */
+				if(b==first)	break;
+			}
+		}
+	}
+	return 1;
+}
+
+/*
+ * Add the fitting elements of the cached record to the message in ans, where ans
+ * is grown to fit, sz is the size of the packet and is modified to be the new size.
+ * The query is in qe.
+ * cb is the buffer used for message compression. *cb should be NULL if you call add_to_response
+ * the first time. It gets filled with a pointer to compression information that can be
+ * reused in subsequent calls to add_to_response.
+ */
+static int add_to_response(dns_msg_t **ans, size_t *sz, size_t *allocsz,
+			   unsigned char *rrn, unsigned qtype, time_t queryts,
+			   dns_cent_t *cached, unsigned *udp, dlist *cb, dlist *sva, dlist *ar)
+{
+	/* First of all, unless we have records of qtype, add cnames.
+	   Well, actually, there should be at max one cname. */
+	if (qtype!=T_CNAME && qtype!=QT_ALL && !(qtype>=T_MIN && qtype<=T_MAX && have_rr(cached,qtype)))
+		if (!add_rrset(ans, sz, allocsz, rrn, T_CNAME, queryts, cached, udp, cb, sva, ar))
+			return 0;
+
+	/* We need no switch for qclass, since we already have filtered packets we cannot understand */
+	if (qtype==QT_AXFR || qtype==QT_IXFR) {
+		/* I do not know what to do in this case. Since we do not maintain zones (and since we are
+		   no master server, so it is not our task), I just return an error message. If anyone
+		   knows how to do this better, please notify me.
+		   Anyway, this feature is rarely used in client communication, and there is no need for
+		   other name servers to ask pdnsd. Btw: many bind servers reject an ?XFR query for security
+		   reasons. */
+		return 0;
+	} else if (qtype==QT_MAILB) {
+		if (!add_rrset(ans, sz, allocsz, rrn, T_MB, queryts, cached, udp, cb, sva, ar))
+			return 0;
+		if (!add_rrset(ans, sz, allocsz, rrn, T_MG, queryts, cached, udp, cb, sva, ar))
+			return 0;
+		if (!add_rrset(ans, sz, allocsz, rrn, T_MR, queryts, cached, udp, cb, sva, ar))
+			return 0;
+	} else if (qtype==QT_MAILA) {
+		if (!add_rrset(ans, sz, allocsz, rrn, T_MD, queryts, cached, udp, cb, sva, ar))
+			return 0;
+		if (!add_rrset(ans, sz, allocsz, rrn, T_MF, queryts, cached, udp, cb, sva, ar))
+			return 0;
+	} else if (qtype==QT_ALL) {
+		int i, n= NRRITERLIST(cached);
+		const unsigned short *iterlist= RRITERLIST(cached);
+		for (i=0; i<n; ++i) {
+			if (!add_rrset(ans, sz, allocsz, rrn, iterlist[i], queryts, cached, udp, cb, sva, ar))
+				return 0;
+		}
+	} else if (qtype>=T_MIN && qtype<=T_MAX) {
+		if (!add_rrset(ans, sz, allocsz, rrn, qtype, queryts, cached, udp, cb, sva, ar))
+			return 0;
+	} else /* Shouldn't get here. */
+		return 0;
+#if 0
+	if (!ntohs((*ans)->hdr.ancount)) {
+		/* Add a SOA if we have one and no other records are present in the answer.
+		 * This is to aid caches so that they have a ttl. */
+		if (!add_rrset(ans, sz, allocsz, rrn, T_SOA , queryts, cached, udp, cb, sva, ar))
+			return 0;
+	}
+#endif
+	return 1;
+}
+
+/*
+ * Add an additional
+ */
+static int add_additional_rr(dns_msg_t **ans, size_t *rlen, size_t *allocsz,
+			     unsigned char *rhn, unsigned tp, time_t ttl,
+			     unsigned dlen, void *data, int sect, unsigned *udp, dlist *cb, dlist *sva)
+{
+	sva_t *st;
+
+	/* Check if already added; no double additionals */
+	for (st=dlist_first(*sva); st; st=dlist_next(st)) {
+		if (st->tp==tp && rhnicmp(st->nm,rhn) && st->dlen==dlen &&
+		    (memcmp(skiprhn(st->nm),data, dlen)==0))
+		{
+			return 1;
+		}
+	}
+	/* add_rr will do nothing when udp!=NULL and sz>*udp. */
+	if(!add_rr(ans, rlen, allocsz, rhn, tp, ttl, dlen, data, sect, udp, cb))
+		return 0;
+	/* mark it as added */
+	if (!sva_add(sva,rhn,tp,dlen,data))
+		return 0;
+
+	return 1;
+}
+
+/*
+ * Add one or more additionals from an rr bucket.
+ */
+static int add_additional_rrs(dns_msg_t **ans, size_t *rlen, size_t *allocsz,
+			      unsigned char *rhn, unsigned tp, time_t ttl,
+			      rr_bucket_t *rrb, int sect, unsigned *udp, dlist *cb, dlist *sva)
+{
+	rr_bucket_t *rr;
+	rr_bucket_t *first=NULL; /* Initialized to inhibit compiler warning */
+	short rnd_recs=global.rnd_recs;
+
+	rr=rrb;
+	if (rnd_recs) rr=first=randrr(rrb);
+
+	while(rr) {
+		if (!add_additional_rr(ans, rlen, allocsz, rhn, tp, ttl, rr->rdlen,rr->data, sect, udp, cb, sva))
+			return 0;
+		rr=rr->next;
+		if (rnd_recs) {
+			if(!rr) rr=rrb; /* wraparound */
+			if(rr==first)	break;
+		}
+	}
+	return 1;
+}
+
+/*
+ * The code below actually handles A and AAAA additionals.
+ */
+static int add_additional_a(dns_msg_t **ans, size_t *rlen, size_t *allocsz,
+			    unsigned char *rhn, time_t queryts,
+			    unsigned *udp, dlist *cb, dlist *sva)
+{
+	dns_cent_t *ae;
+	int retval = 1;
+
+	if ((ae=lookup_cache(rhn,NULL))) {
+		rr_set_t *rrset; rr_bucket_t *rr;
+		rrset=getrrset_A(ae);
+		if (rrset && (rr=rrset->rrs))
+			if (!add_additional_rrs(ans, rlen, allocsz,
+						rhn, T_A, ans_ttl(rrset,queryts),
+						rr, S_ADDITIONAL, udp, cb, sva))
+				retval = 0;
+
+#if IS_CACHED_AAAA
+		if(retval) {
+			rrset=getrrset_AAAA(ae);
+			if (rrset && (rr=rrset->rrs))
+				if (!add_additional_rrs(ans, rlen, allocsz,
+							rhn, T_AAAA, ans_ttl(rrset,queryts),
+							rr, S_ADDITIONAL, udp, cb, sva))
+					retval = 0;
+		}
+#endif
+		free_cent(ae  DBG1);
+		pdnsd_free(ae);
+	}
+	return retval;
+}
+
+/*
+ * Compose an answer message for the decoded query in ql, hdr is the header of the dns request
+ * rlen is set to be the answer length.
+ * If udp is not NULL, *udp indicates the max length the dns response may have.
+ */
+static dns_msg_t *compose_answer(llist *ql, dns_hdr_t *hdr, size_t *rlen, edns_info_t *ednsinfo, unsigned *udp, int *rcodep)
+{
+	unsigned short rcode=RC_OK, aa=1;
+	dlist cb=NULL;
+	dlist sva=NULL;
+	dlist ar=NULL;
+	time_t queryts=time(NULL);
+	dns_queryel_t *qe;
+	dns_msg_t *ans;
+	size_t allocsz= ALLOCINITIALSIZE;
+	dns_cent_t *cached;
+
+	ans=(dns_msg_t *)pdnsd_malloc(allocsz);
+	if (!ans)
+		goto return_ans;
+	ans->hdr.id=hdr->id;
+	ans->hdr.qr=QR_RESP;
+	ans->hdr.opcode=OP_QUERY;
+	ans->hdr.aa=0;
+	ans->hdr.tc=0; /* If tc is needed, it is set when the response is sent in udp_answer_thread. */
+	ans->hdr.rd=hdr->rd;
+	ans->hdr.ra=1;
+	ans->hdr.z=0;
+	ans->hdr.ad=0;
+	ans->hdr.cd=0;
+	ans->hdr.rcode=rcode;
+	ans->hdr.qdcount=0; /* this is first filled in and will be modified */
+	ans->hdr.ancount=0;
+	ans->hdr.nscount=0;
+	ans->hdr.arcount=0;
+
+	*rlen=sizeof(dns_hdr_t);
+	/* first, add the query to the response */
+	for (qe=llist_first(ql); qe; qe=llist_next(qe)) {
+		unsigned int qclen;
+		size_t newsz= dnsmsghdroffset + *rlen + rhnlen(qe->query) + 4;
+		if(newsz > allocsz) {
+			/* Need to allocate more space.
+			   To avoid frequent reallocs, we allocate
+			   a multiple of a certain chunk size. */
+			size_t newallocsz= (newsz+ALLOCCHUNKSIZEMASK)&(~ALLOCCHUNKSIZEMASK);
+			dns_msg_t *newans=(dns_msg_t *)pdnsd_realloc(ans,newallocsz);
+			if (!newans)
+				goto error_ans;
+			ans=newans;
+			allocsz=newallocsz;
+		}
+
+		{
+			unsigned char *p = ((unsigned char *)&ans->hdr) + *rlen;
+			/* the first name occurrence will not be compressed,
+			   but the offset needs to be stored for future compressions */
+			if (!(qclen=compress_name(qe->query,p,*rlen,&cb)))
+				goto error_ans;
+			p += qclen;
+			PUTINT16(qe->qtype,p);
+			PUTINT16(qe->qclass,p);
+		}
+		*rlen += qclen+4;
+		ans->hdr.qdcount=htons(ntohs(ans->hdr.qdcount)+1);
+	}
+
+	/* Barf if we get a query we cannot answer */
+	for (qe=llist_first(ql); qe; qe=llist_next(qe)) {
+		if ((PDNSD_NOT_CACHED_TYPE(qe->qtype) &&
+		     (qe->qtype!=QT_MAILB && qe->qtype!=QT_MAILA && qe->qtype!=QT_ALL)) ||
+		    (qe->qclass!=C_IN && qe->qclass!=QC_ALL))
+		{
+			DEBUG_MSG("Unsupported QTYPE or QCLASS.\n");
+			ans->hdr.rcode=rcode=RC_NOTSUPP;
+			goto cleanup_return;
+		}
+	}
+
+	/* second, the answer section */
+	for (qe=llist_first(ql); qe; qe=llist_next(qe)) {
+		int hops;
+		unsigned char qname[DNSNAMEBUFSIZE];
+
+		rhncpy(qname,qe->query);
+		/* look if we have a cached copy. otherwise, perform a nameserver query. Same with timeout */
+		hops=MAX_HOPS;
+		do {
+			int rc;
+			unsigned char c_soa=cundef;
+			if ((rc=dns_cached_resolve(qname,qe->qtype, &cached, MAX_HOPS,queryts,&c_soa))!=RC_OK) {
+				ans->hdr.rcode=rcode=rc;
+				if(rc==RC_NAMEERR) {
+					if(c_soa!=cundef) {
+						/* Try to add a SOA record to the authority section. */
+						unsigned scnt=rhnsegcnt(qname);
+						if(c_soa<scnt && (cached=lookup_cache(skipsegs(qname,scnt-c_soa),NULL))) {
+							rr_set_t *rrset=getrrset_SOA(cached);
+							if (rrset && !(rrset->flags&CF_NEGATIVE)) {
+								rr_bucket_t *rr;
+								for(rr=rrset->rrs; rr; rr=rr->next) {
+									if (!add_rr(&ans,rlen,&allocsz,cached->qname,T_SOA,ans_ttl(rrset,queryts),
+										    rr->rdlen,rr->data,S_AUTHORITY,udp,&cb))
+										goto error_cached;
+								}
+							}
+							free_cent(cached  DBG1);
+							pdnsd_free(cached);
+						}
+					}
+
+					/* Possibly add an OPT pseudo-RR to the additional section. */
+					if(ednsinfo) {
+						if(!add_opt_pseudo_rr(&ans, rlen, &allocsz, global.udpbufsize, rcode, 0,0))
+							goto error_ans;
+					}
+				}
+				goto cleanup_return;
+			}
+			if(!(cached->flags&DF_LOCAL))
+				aa=0;
+
+			if (!add_to_response(&ans,rlen,&allocsz,qname,qe->qtype,queryts,cached,udp,&cb,&sva,&ar))
+				goto error_cached;
+			if (hdr->rd && qe->qtype!=T_CNAME && qe->qtype!=QT_ALL &&
+			    !(qe->qtype>=T_MIN && qe->qtype<=T_MAX && have_rr(cached,qe->qtype)) &&
+			    follow_cname_chain(cached,qname))
+				/* The rd bit is set and the response does not contain records of the requested type,
+				 * but the response does contain a cname, so repeat the inquiry with the cname.
+				 * add_to_response() has already added the cname to the response.
+				 * Because of follow_cname_chain(), qname now contains the last cname in the chain. */
+				;
+			else {
+				/* maintain a list (ar) for authority records: We will add every name server that was
+				   listed as authoritative in a reply we received (and only those) to this list.
+				   This list will be used to fill the authority and additional sections of our own reply.
+				   We only do this for the last record in a cname chain, to prevent answer bloat. */
+				rr_set_t *rrset;
+				int rretp=T_NS;
+				if((qe->qtype>=T_MIN && qe->qtype<=T_MAX && !have_rr(cached,qe->qtype)) ||
+				   (qe->qtype==QT_MAILB && !have_rr_MB(cached) && !have_rr_MG(cached) && !have_rr_MR(cached)) ||
+				   (qe->qtype==QT_MAILA && !have_rr_MD(cached) && !have_rr_MF(cached)))
+				{
+					/* no record of requested type in the answer section. */
+					rretp=T_SOA;
+				}
+				rrset=getrrset(cached,rretp);
+				if(rrset && (rrset->flags&CF_NEGATIVE))
+					rrset=NULL;
+				if(!rrset) {
+					/* Try to find a name server higher up the hierarchy .
+					 */
+					dns_cent_t *prev=cached;
+					unsigned scnt=rhnsegcnt(prev->qname);
+					unsigned tcnt=(rretp==T_NS?prev->c_ns:prev->c_soa);
+					if((cached=lookup_cache((tcnt!=cundef && tcnt<scnt)?skipsegs(prev->qname,scnt-tcnt):prev->qname,NULL))) {
+						rrset=getrrset(cached,rretp);
+						if(rrset && (rrset->flags&CF_NEGATIVE))
+							rrset=NULL;
+					}
+					if(!rrset && (prev->flags&DF_LOCAL)) {
+						unsigned char *nm=getlocalowner(prev->qname,rretp);
+						if(nm) {
+							if(cached) {
+								free_cent(cached  DBG1);
+								pdnsd_free(cached);
+							}
+							if((cached=lookup_cache(nm,NULL)))
+								rrset=getrrset(cached,rretp);
+						}
+					}
+					free_cent(prev  DBG1);
+					pdnsd_free(prev);
+				}
+				if (rrset) {
+					rr_bucket_t *rr;
+					for (rr=rrset->rrs; rr; rr=rr->next) {
+						if (!add_ar(&ar, rretp, rr->rdlen,rr->data, cached->qname,
+							    ans_ttl(rrset,queryts)))
+							goto error_cached;
+					}
+				}
+				hops=0;  /* this will break the loop */
+			}
+			if(cached) {
+				free_cent(cached  DBG1);
+				pdnsd_free(cached);
+			}
+		} while (--hops>=0);
+	}
+
+	{
+		rr_ext_t *rre;
+		/* Add the authority section */
+		for (rre=dlist_first(ar); rre; rre=dlist_next(rre)) {
+			if (rre->tp == T_NS || rre->tp == T_SOA) {
+				unsigned char *nm = rre->tnm + rre->tsz;
+				if (!add_additional_rr(&ans, rlen, &allocsz,
+						       nm, rre->tp, rre->ttl, rre->tsz, rre->tnm,
+						       S_AUTHORITY, udp, &cb, &sva))
+				{
+					goto error_ans;
+				}
+			}
+		}
+
+		/* Add the additional section, but only if we stay within the UDP buffer limit. */
+		/* If a pseudo RR doesn't fit, nothing else will. */
+		if(!(udp && *rlen+sizeof_opt_pseudo_rr>*udp)) {
+
+			/* Possibly add an OPT pseudo-RR to the additional section. */
+			if(ednsinfo) {
+				if(!add_opt_pseudo_rr(&ans, rlen, &allocsz, global.udpbufsize, rcode, 0,0))
+					goto error_ans;
+			}
+
+			/* now add the name server addresses */
+			for (rre=dlist_first(ar); rre; rre=dlist_next(rre)) {
+				if (rre->tp == T_NS || rre->tp == RRETP_ADD) {
+					if (!add_additional_a(&ans, rlen, &allocsz,
+							      rre->tnm, queryts, udp, &cb, &sva))
+						goto error_ans;
+				}
+			}
+		}
+	}
+	if (aa)
+		ans->hdr.aa=1;
+	goto cleanup_return;
+
+	/* You may not like goto's, but here we avoid lots of code duplication. */
+error_cached:
+	free_cent(cached  DBG1);
+	pdnsd_free(cached);
+error_ans:
+	pdnsd_free(ans);
+	ans=NULL;
+cleanup_return:
+	dlist_free(ar);
+	dlist_free(sva);
+	dlist_free(cb);
+return_ans:
+	if(rcodep) *rcodep=rcode;
+	return ans;
+}
+
+/*
+ * Decode the query (the query messgage is in data and rlen bytes long) into a dlist.
+ * XXX: data needs to be aligned.
+ * The return value can be RC_OK or RC_TRUNC, in which case the (partially) constructed list is
+ * returned in qp, or something else (RC_FORMAT or RC_SERVFAIL), in which case no list is returned.
+ *
+ * *ptrrem  will be assigned the address just after the questions sections in the message, and *lenrem
+ * the remaining message length after the questions section. These values are only meaningful if the
+ * return value is RC_OK.
+ */
+static int decode_query(unsigned char *data, size_t rlen, unsigned char **ptrrem, size_t *lenrem, llist *qp)
+{
+	int i,res=RC_OK;
+	dns_hdr_t *hdr=(dns_hdr_t *)data; /* aligned, so no prob. */
+	unsigned char *ptr=(unsigned char *)(hdr+1);
+	size_t sz= rlen - sizeof(dns_hdr_t);
+	uint16_t qdcount=ntohs(hdr->qdcount);
+
+	llist_init(qp);
+	for (i=0; i<qdcount; ++i) {
+		dns_queryel_t *qe;
+		unsigned int qlen;
+		unsigned char qbuf[DNSNAMEBUFSIZE];
+		res=decompress_name(data,rlen,&ptr,&sz,qbuf,&qlen);
+		if (res==RC_TRUNC)
+			break;
+		if (res!=RC_OK) {
+			llist_free(qp);
+			break;
+		}
+		if (sz<4) {
+			/* truncated in qtype or qclass */
+			DEBUG_MSG("decode_query: query truncated in qtype or qclass.\n");
+			res=RC_TRUNC;
+			break;
+		}
+		if(!llist_grow(qp,sizeof(dns_queryel_t)+qlen)) {
+			res=RC_SERVFAIL;
+			break;
+		}
+		qe=llist_last(qp);
+		GETINT16(qe->qtype,ptr);
+		GETINT16(qe->qclass,ptr);
+		sz-=4;
+		memcpy(qe->query,qbuf,qlen);
+	}
+
+	if(ptrrem) *ptrrem=ptr;
+	if(lenrem) *lenrem=sz;
+	return res;
+}
+
+
+/* Scan the additional section of a query message for an OPT pseudo RR.
+   data and rlen are as in decode_query(). Note in particular that data needs to be aligned!
+   ptr should point the beginning of the additional section, sz should contain the
+   length of this remaining part of the message and numrr the number of resource records in the section.
+   *numopt is incremented with the number of OPT RRs found (should be at most one).
+
+   Note that a return value of RC_OK means the additional section was parsed without errors, not that
+   an OPT pseudo RR was found! Check the value of *numopt for the latter.
+
+   The structure pointed to by ep is filled with the information of the first OPT pseudo RR found,
+   but only if *numopt was set to zero before the call.
+*/
+static int decode_query_additional(unsigned char *data, size_t rlen, unsigned char *ptr, size_t sz, int numrr,
+				   int *numopt, edns_info_t *ep)
+{
+	int i, res;
+
+	for (i=0; i<numrr; ++i) {
+		unsigned char nmbuf[DNSNAMEBUFSIZE];
+		uint16_t type,class;
+		unsigned char *ttlp;
+		uint16_t rdlen;
+		res=decompress_name(data,rlen,&ptr,&sz,nmbuf,NULL);
+		if (res!=RC_OK)
+			return res;
+		if (sz<sizeof_rr_hdr_t) {
+			/* truncated in rr header */
+			DEBUG_MSG("decode_query_additional: additional section truncated in RR header.\n");
+			return RC_TRUNC;
+		}
+		sz -= sizeof_rr_hdr_t;
+		GETINT16(type,ptr);
+		GETINT16(class,ptr);
+		ttlp= ptr;   /* Remember pointer to ttl field. */
+		ptr += 4;    /* Skip ttl field (4 bytes). */
+		GETINT16(rdlen,ptr);
+		if (sz<rdlen) {
+			DEBUG_MSG("decode_query_additional: additional section truncated in RDATA field.\n");
+			return RC_TRUNC;
+		}
+
+		if(type==T_OPT) {
+			/* Found OPT pseudo-RR */
+			if((*numopt)++ == 0) {
+#if DEBUG>0
+				if(nmbuf[0]!=0) {
+					DEBUG_MSG("decode_query_additional: name in OPT record not empty!\n");
+				}
+#endif
+				ep->udpsize= class;
+				ep->rcode= ((uint16_t)ttlp[0]<<4) | ((dns_hdr_t *)data)->rcode;
+				ep->version= ttlp[1];
+				ep->do_flg= (ttlp[2]>>7)&1;
+#if DEBUG>0
+				if(debug_p) {
+					unsigned int Zflags= ((uint16_t)ttlp[2]<<8) | ttlp[3];
+					if(Zflags & 0x7fff) {
+						DEBUG_MSG("decode_query_additional: Z field contains unknown nonzero bits (%04x).\n",
+							  Zflags);
+					}
+					if(rdlen) {
+						DEBUG_MSG("decode_query_additional: RDATA field in OPT record not empty!\n");
+					}
+				}
+#endif
+			}
+			else {
+				DEBUG_MSG("decode_query_additional: ingnoring surplus OPT record.\n");
+			}
+		}
+		else {
+			DEBUG_MSG("decode_query_additional: ignoring record of type %s (%d).\n",
+				  getrrtpname(type), type);
+		}
+
+		/* Skip RDATA field. */
+		sz -= rdlen;
+		ptr += rdlen;
+	}
+
+	return RC_OK;
+}
+
+/* Make a dns error reply message
+ * Id is the query id and still in network order.
+ * op is the opcode to fill in, rescode - name says it all.
+ */
+static void mk_error_reply(unsigned short id, unsigned short opcode,unsigned short rescode,dns_hdr_t *rep)
+{
+	rep->id=id;
+	rep->qr=QR_RESP;
+	rep->opcode=opcode;
+	rep->aa=0;
+	rep->tc=0;
+	rep->rd=0;
+	rep->ra=1;
+	rep->z=0;
+	rep->ad=0;
+	rep->cd=0;
+	rep->rcode=rescode;
+	rep->qdcount=0;
+	rep->ancount=0;
+	rep->nscount=0;
+	rep->arcount=0;
+}
+
+/*
+ * Analyze and answer the query in data. The answer is returned. rlen is at call the query length and at
+ * return the length of the answer. You have to free the answer after sending it.
+ */
+static dns_msg_t *process_query(unsigned char *data, size_t *rlenp, unsigned *udp, int *rcodep)
+{
+	size_t rlen= *rlenp;
+	int res;
+	dns_hdr_t *hdr;
+	llist ql;
+	dns_msg_t *ans;
+	edns_info_t ednsinfo= {0}, *ednsinfop= NULL;
+
+	DEBUG_MSG("Received query (msg len=%u).\n", (unsigned int)rlen);
+	DEBUG_DUMP_DNS_MSG(data, rlen);
+
+	/*
+	 * We will ignore all records that come with a query, except for the actual query records,
+	 * and possible OPT pseudo RRs in the addtional section.
+	 * We will send back the query in the response. We will reject all non-queries, and
+	 * some not supported thingies.
+	 * If anyone notices behaviour that is not in standard conformance, please notify me!
+	 */
+	hdr=(dns_hdr_t *)data;
+	if (rlen<2) {
+		DEBUG_MSG("Message too short.\n");
+		return NULL; /* message too short: no id provided. */
+	}
+	if (rlen<sizeof(dns_hdr_t)) {
+		DEBUG_MSG("Message too short.\n");
+		res=RC_FORMAT;
+		goto error_reply;
+	}
+	if (hdr->qr!=QR_QUERY) {
+		DEBUG_MSG("The QR bit indicates this is a response, not a query.\n");
+		return NULL; /* RFC says: discard */
+	}
+	if (hdr->opcode!=OP_QUERY) {
+		DEBUG_MSG("Not a standard query (opcode=%u).\n",hdr->opcode);
+		res=RC_NOTSUPP;
+		goto error_reply;
+	}
+#if DEBUG>0
+	if(debug_p) {
+		char flgsbuf[DNSFLAGSMAXSTRSIZE];
+		dnsflags2str(hdr, flgsbuf);
+		if(flgsbuf[0]) {
+			DEBUG_MSG("Flags:%s\n", flgsbuf);
+		}
+	}
+#endif
+	if (hdr->z!=0) {
+		DEBUG_MSG("Malformed query (nonzero Z bit).\n");
+		res=RC_FORMAT;
+		goto error_reply;
+	}
+	if (hdr->rcode!=RC_OK) {
+		DEBUG_MSG("Bad rcode(%u).\n",hdr->rcode);
+		return NULL; /* discard (may cause error storms) */
+	}
+
+	if (hdr->ancount) {
+		DEBUG_MSG("Query has a non-empty answer section!\n");
+		res=RC_FORMAT;
+		goto error_reply;
+	}
+
+	if (hdr->nscount) {
+		DEBUG_MSG("Query has a non-empty authority section!\n");
+		res=RC_FORMAT;
+		goto error_reply;
+	}
+
+#if 0
+	/* The following only makes sense if we completely disallow
+	   Extension Mechanisms for DNS (RFC 2671). */
+	if (hdr->arcount) {
+		DEBUG_MSG("Query has a non-empty additional section!\n");
+		res=RC_FORMAT;
+		goto error_reply;
+	}
+#endif
+	{
+		unsigned char *ptr;
+		size_t sz;
+		uint16_t arcount;
+		res=decode_query(data,rlen,&ptr,&sz,&ql);
+		if(res!=RC_OK) {
+			if(res==RC_TRUNC) {
+				if(!hdr->tc || llist_isempty(&ql)) {
+					res=RC_FORMAT;
+					goto free_ql_error_reply;
+				}
+			}
+			else
+				goto error_reply;
+		}
+
+		if ((arcount=ntohs(hdr->arcount))) {
+			int numoptrr= 0;
+			DEBUG_MSG("Query has a non-empty additional section: "
+				  "checking for OPT pseudo-RR.\n");
+			if(res==RC_TRUNC) {
+				DEBUG_MSG("Additional section cannot be read due to truncation!\n");
+				res=RC_FORMAT;
+				goto free_ql_error_reply;
+			}
+			res=decode_query_additional(data,rlen,ptr,sz,arcount, &numoptrr, &ednsinfo);
+			if(!(res==RC_OK || (res==RC_TRUNC && hdr->tc))) {
+				res=RC_FORMAT;
+				goto free_ql_error_reply;
+			}
+			if(numoptrr) {
+#if DEBUG>0
+				if(numoptrr!=1) {
+					DEBUG_MSG("Additional section in query contains %d OPT pseudo-RRs!\n", numoptrr);
+				}
+#endif
+				if(ednsinfo.version!=0) {
+					DEBUG_MSG("Query contains unsupported EDNS version %d!\n", ednsinfo.version);
+					res=RC_BADVERS;
+					goto free_ql_error_reply;
+				}
+				if(ednsinfo.rcode!=0) {
+					DEBUG_MSG("Query contains non-zero EDNS rcode (%d)!\n", ednsinfo.rcode);
+					res=RC_FORMAT;
+					goto free_ql_error_reply;
+				}
+				DEBUG_MSG("Query contains OPT pseudosection: EDNS udp size = %u, flag DO=%u\n",
+					  ednsinfo.udpsize, ednsinfo.do_flg);
+				ednsinfop = &ednsinfo;
+				if(udp && ednsinfo.udpsize>UDP_BUFSIZE) {
+					unsigned udpbufsize = global.udpbufsize;
+					if(udpbufsize > ednsinfo.udpsize)
+						udpbufsize = ednsinfo.udpsize;
+					*udp = udpbufsize;
+				}
+			}
+		}
+	}
+
+#if DEBUG>0
+	if (debug_p) {
+		if(!llist_isempty(&ql)) {
+			dns_queryel_t *qe;
+			DEBUG_MSG("Questions are:\n");
+			for (qe=llist_first(&ql); qe; qe=llist_next(qe)) {
+				DEBUG_RHN_MSG("\tqc=%s (%u), qt=%s (%u), query=\"%s\"\n",
+					      get_cname(qe->qclass),qe->qclass,get_tname(qe->qtype),qe->qtype,RHN2STR(qe->query));
+			}
+		}
+		else {
+			DEBUG_MSG("Query contains no questions.\n");
+		}
+	}
+#endif
+
+	if (llist_isempty(&ql)) {
+		res=RC_FORMAT;
+		goto error_reply;
+	}
+	if (!(ans=compose_answer(&ql, hdr, rlenp, ednsinfop, udp, rcodep))) {
+		/* An out of memory condition or similar could cause NULL output. Send failure notification */
+		res=RC_SERVFAIL;
+		goto free_ql_error_reply;
+	}
+	llist_free(&ql);
+	return ans;
+
+ free_ql_error_reply:
+	llist_free(&ql);
+ error_reply:
+	*rlenp=sizeof(dns_hdr_t);
+	{
+		size_t allocsz = sizeof(dns_msg_t);
+		if(res&~0xf)
+			allocsz += sizeof_opt_pseudo_rr;
+		ans= (dns_msg_t *)pdnsd_malloc(allocsz);
+		if (ans) {
+			mk_error_reply(hdr->id,rlen>=3?hdr->opcode:OP_QUERY,res,&ans->hdr);
+			if(res&~0xf)
+				add_opt_pseudo_rr(&ans,rlenp,&allocsz,
+						  global.udpbufsize,res,0,0);
+		}
+		else if (++da_mem_errs<=MEM_MAX_ERRS) {
+			log_error("Out of memory in query processing.");
+		}
+	}
+	if(rcodep) *rcodep= res;
+	return ans;
+}
+
+/*
+ * Called by *_answer_thread exit handler to clean up process count.
+ */
+inline static void decrease_procs()
+{
+
+	pthread_mutex_lock(&proc_lock);
+	procs--;
+	qprocs--;
+	pthread_mutex_unlock(&proc_lock);
+}
+
+static void udp_answer_thread_cleanup(void *data)
+{
+	pdnsd_free(data);
+	decrease_procs();
+}
+
+/*
+ * A thread opened to answer a query transmitted via udp. Data is a pointer to the structure udp_buf_t that
+ * contains the received data and various other parameters.
+ * After the query is answered, the thread terminates
+ * XXX: data must point to a correctly aligned buffer
+ */
+static void *udp_answer_thread(void *data)
+{
+	struct msghdr msg;
+	struct iovec v;
+	struct cmsghdr *cmsg;
+#if defined(SRC_ADDR_DISC)
+	char ctrl[CMSG_SPACE(sizeof(pkt_info_t))];
+#endif
+	size_t rlen=((udp_buf_t *)data)->len;
+	unsigned udpmaxrespsize = UDP_BUFSIZE;
+	/* XXX: process_query is assigned to this, this mallocs, so this points to aligned memory */
+	dns_msg_t *resp;
+	int rcode;
+	unsigned thrid;
+	pthread_cleanup_push(udp_answer_thread_cleanup, data);
+	THREAD_SIGINIT;
+
+	if (!global.strict_suid) {
+		if (!run_as(global.run_as)) {
+			pdnsd_exit();
+		}
+	}
+
+	for(;;) {
+		pthread_mutex_lock(&proc_lock);
+		if (procs<global.proc_limit)
+			break;
+		pthread_mutex_unlock(&proc_lock);
+		usleep_r(50000);
+	}
+	++procs;
+	thrid= ++thrid_cnt;
+	pthread_mutex_unlock(&proc_lock);
+
+#if DEBUG>0
+	if(debug_p) {
+		int err;
+		if ((err=pthread_setspecific(thrid_key, &thrid)) != 0) {
+			if(++da_misc_errs<=MISC_MAX_ERRS)
+				log_error("pthread_setspecific failed: %s",strerror(err));
+			/* pdnsd_exit(); */
+		}
+	}
+#endif
+
+	if (!(resp=process_query(((udp_buf_t *)data)->buf,&rlen,&udpmaxrespsize,&rcode))) {
+		/*
+		 * A return value of NULL is a fatal error that prohibits even the sending of an error message.
+		 * logging is already done. Just exit the thread now.
+		 */
+		pthread_exit(NULL); /* data freed by cleanup handler */
+	}
+	pthread_cleanup_push(free, resp);
+	if (rlen>udpmaxrespsize) {
+		rlen=udpmaxrespsize;
+		resp->hdr.tc=1; /*set truncated bit*/
+	}
+	DEBUG_MSG("Outbound msg len %li, tc=%u, rc=\"%s\"\n",(long)rlen,resp->hdr.tc,get_ename(rcode));
+
+	v.iov_base=(char *)&resp->hdr;
+	v.iov_len=rlen;
+	msg.msg_iov=&v;
+	msg.msg_iovlen=1;
+#if (TARGET!=TARGET_CYGWIN)
+#if defined(SRC_ADDR_DISC)
+	msg.msg_control=ctrl;
+	msg.msg_controllen=sizeof(ctrl);
+#else
+	msg.msg_control=NULL;
+	msg.msg_controllen=0;
+#endif
+	msg.msg_flags=0;  /* to avoid warning message by Valgrind */
+#endif
+
+#ifdef ENABLE_IPV4
+	if (run_ipv4) {
+
+		msg.msg_name=&((udp_buf_t *)data)->addr.sin4;
+		msg.msg_namelen=sizeof(struct sockaddr_in);
+# if defined(SRC_ADDR_DISC)
+#  if (TARGET==TARGET_LINUX)
+		((udp_buf_t *)data)->pi.pi4.ipi_spec_dst=((udp_buf_t *)data)->pi.pi4.ipi_addr;
+		cmsg=CMSG_FIRSTHDR(&msg);
+		cmsg->cmsg_len=CMSG_LEN(sizeof(struct in_pktinfo));
+		cmsg->cmsg_level=SOL_IP;
+		cmsg->cmsg_type=IP_PKTINFO;
+		memcpy(CMSG_DATA(cmsg),&((udp_buf_t *)data)->pi.pi4,sizeof(struct in_pktinfo));
+		msg.msg_controllen=CMSG_SPACE(sizeof(struct in_pktinfo));
+#  else
+		cmsg=CMSG_FIRSTHDR(&msg);
+		cmsg->cmsg_len=CMSG_LEN(sizeof(struct in_addr));
+		cmsg->cmsg_level=IPPROTO_IP;
+		cmsg->cmsg_type=IP_RECVDSTADDR;
+		memcpy(CMSG_DATA(cmsg),&((udp_buf_t *)data)->pi.ai4,sizeof(struct in_addr));
+		msg.msg_controllen=CMSG_SPACE(sizeof(struct in_addr));
+#  endif
+# endif
+# if DEBUG>0
+		{
+			char buf[ADDRSTR_MAXLEN];
+
+			DEBUG_MSG("Answering to: %s", inet_ntop(AF_INET,&((udp_buf_t *)data)->addr.sin4.sin_addr,buf,ADDRSTR_MAXLEN));
+#  if defined(SRC_ADDR_DISC)
+#   if (TARGET==TARGET_LINUX)
+			DEBUG_MSGC(", source address: %s\n", inet_ntop(AF_INET,&((udp_buf_t *)data)->pi.pi4.ipi_spec_dst,buf,ADDRSTR_MAXLEN));
+#   else
+			DEBUG_MSGC(", source address: %s\n", inet_ntop(AF_INET,&((udp_buf_t *)data)->pi.ai4,buf,ADDRSTR_MAXLEN));
+#   endif
+#  else
+			DEBUG_MSGC("\n");
+#  endif
+		}
+# endif /* DEBUG */
+	}
+#endif
+#ifdef ENABLE_IPV6
+	ELSE_IPV6 {
+
+		msg.msg_name=&((udp_buf_t *)data)->addr.sin6;
+		msg.msg_namelen=sizeof(struct sockaddr_in6);
+# if defined(SRC_ADDR_DISC)
+		cmsg=CMSG_FIRSTHDR(&msg);
+		cmsg->cmsg_len=CMSG_LEN(sizeof(struct in6_pktinfo));
+		cmsg->cmsg_level=SOL_IPV6;
+		cmsg->cmsg_type=IPV6_PKTINFO;
+		memcpy(CMSG_DATA(cmsg),&((udp_buf_t *)data)->pi.pi6,sizeof(struct in6_pktinfo));
+		msg.msg_controllen=CMSG_SPACE(sizeof(struct in6_pktinfo));
+# endif
+# if DEBUG>0
+		{
+			char buf[ADDRSTR_MAXLEN];
+
+			DEBUG_MSG("Answering to: %s", inet_ntop(AF_INET6,&((udp_buf_t *)data)->addr.sin6.sin6_addr,buf,ADDRSTR_MAXLEN));
+#  if defined(SRC_ADDR_DISC)
+			DEBUG_MSGC(", source address: %s\n", inet_ntop(AF_INET6,&((udp_buf_t *)data)->pi.pi6.ipi6_addr,buf,ADDRSTR_MAXLEN));
+#  else
+			DEBUG_MSGC("\n");
+#  endif
+		}
+# endif /* DEBUG */
+	}
+#endif
+
+	/* Lock the socket, and clear the error flag before dropping the lock */
+#ifdef SOCKET_LOCKING
+	pthread_mutex_lock(&s_lock);
+#endif
+	if (sendmsg(((udp_buf_t *)data)->sock,&msg,0)<0) {
+#ifdef SOCKET_LOCKING
+		pthread_mutex_unlock(&s_lock);
+#endif
+		if (++da_udp_errs<=UDP_MAX_ERRS) {
+			log_error("Error in udp send: %s",strerror(errno));
+		}
+	} else {
+		int tmp;
+		socklen_t sl=sizeof(tmp);
+		getsockopt(((udp_buf_t *)data)->sock, SOL_SOCKET, SO_ERROR, &tmp, &sl);
+#ifdef SOCKET_LOCKING
+		pthread_mutex_unlock(&s_lock);
+#endif
+	}
+
+	pthread_cleanup_pop(1);  /* free(resp) */
+	pthread_cleanup_pop(1);  /* free(data) */
+	return NULL;
+}
+
+int init_udp_socket()
+{
+	int sock;
+	int so=1;
+	union {
+#ifdef ENABLE_IPV4
+		struct sockaddr_in sin4;
+#endif
+#ifdef ENABLE_IPV6
+		struct sockaddr_in6 sin6;
+#endif
+	} sin;
+	socklen_t sinl;
+
+#ifdef ENABLE_IPV4
+	if (run_ipv4) {
+		if ((sock=socket(PF_INET,SOCK_DGRAM,IPPROTO_UDP))==-1) {
+			log_error("Could not open udp socket: %s",strerror(errno));
+			return -1;
+		}
+		memset(&sin.sin4,0,sizeof(struct sockaddr_in));
+		sin.sin4.sin_family=AF_INET;
+		sin.sin4.sin_port=htons(global.port);
+		sin.sin4.sin_addr=global.a.ipv4;
+		SET_SOCKA_LEN4(sin.sin4);
+		sinl=sizeof(struct sockaddr_in);
+	}
+#endif
+#ifdef ENABLE_IPV6
+	ELSE_IPV6 {
+		if ((sock=socket(PF_INET6,SOCK_DGRAM,IPPROTO_UDP))==-1) {
+			log_error("Could not open udp socket: %s",strerror(errno));
+			return -1;
+		}
+		memset(&sin.sin6,0,sizeof(struct sockaddr_in6));
+		sin.sin6.sin6_family=AF_INET6;
+		sin.sin6.sin6_port=htons(global.port);
+		sin.sin6.sin6_flowinfo=IPV6_FLOWINFO;
+		sin.sin6.sin6_addr=global.a.ipv6;
+		SET_SOCKA_LEN6(sin.sin6);
+		sinl=sizeof(struct sockaddr_in6);
+	}
+#endif
+
+#ifdef SRC_ADDR_DISC
+# if (TARGET!=TARGET_LINUX)
+	if (run_ipv4) {
+# endif
+		/* The following must be set on any case because it also applies for IPv4 packets sent to
+		 * ipv6 addresses. */
+# if (TARGET==TARGET_LINUX )
+		if (setsockopt(sock,SOL_IP,IP_PKTINFO,&so,sizeof(so))!=0) {
+# else
+		if (setsockopt(sock,IPPROTO_IP,IP_RECVDSTADDR,&so,sizeof(so))!=0) {
+# endif
+			log_error("Could not set options on udp socket: %s",strerror(errno));
+			close(sock);
+			return -1;
+		}
+# if (TARGET!=TARGET_LINUX)
+	}
+# endif
+
+# ifdef ENABLE_IPV6
+	if (!run_ipv4) {
+		if (setsockopt(sock,SOL_IPV6,IPV6_RECVPKTINFO,&so,sizeof(so))!=0) {
+			log_error("Could not set options on udp socket: %s",strerror(errno));
+			close(sock);
+			return -1;
+		}
+	}
+# endif
+#endif
+	if (bind(sock,(struct sockaddr *)&sin,sinl)!=0) {
+		log_error("Could not bind to udp socket: %s",strerror(errno));
+		close(sock);
+		return -1;
+	}
+	return sock;
+}
+
+/*
+ * Listen on the specified port for udp packets and answer them (each in a new thread to be nonblocking)
+ * This was changed to support sending UDP packets with exactly the same source address as they were coming
+ * to us, as required by rfc2181. Although this is a sensible requirement, it is slightly more difficult
+ * and may introduce portability issues.
+ */
+void *udp_server_thread(void *dummy)
+{
+	int sock;
+	ssize_t qlen;
+	pthread_t pt;
+	udp_buf_t *buf;
+	struct msghdr msg;
+	struct iovec v;
+	struct cmsghdr *cmsg;
+	char ctrl[512];
+#if defined(ENABLE_IPV6) && (TARGET==TARGET_LINUX)
+	struct in_pktinfo sip;
+#endif
+	/* (void)dummy; */ /* To inhibit "unused variable" warning */
+
+	THREAD_SIGINIT;
+
+
+	if (!global.strict_suid) {
+		if (!run_as(global.run_as)) {
+			pdnsd_exit();
+		}
+	}
+
+	sock=udp_socket;
+
+	while (1) {
+		int udpbufsize= global.udpbufsize;
+		if (!(buf=(udp_buf_t *)pdnsd_calloc(1,sizeof(udp_buf_t)+udpbufsize))) {
+			if (++da_mem_errs<=MEM_MAX_ERRS) {
+				log_error("Out of memory in request handling.");
+			}
+			break;
+		}
+
+		buf->sock=sock;
+
+		v.iov_base=(char *)buf->buf;
+		v.iov_len=udpbufsize;
+		msg.msg_iov=&v;
+		msg.msg_iovlen=1;
+#if (TARGET!=TARGET_CYGWIN)
+		msg.msg_control=ctrl;
+		msg.msg_controllen=sizeof(ctrl);
+#endif
+
+#if defined(SRC_ADDR_DISC)
+# ifdef ENABLE_IPV4
+		if (run_ipv4) {
+			msg.msg_name=&buf->addr.sin4;
+			msg.msg_namelen=sizeof(struct sockaddr_in);
+			if ((qlen=recvmsg(sock,&msg,0))>=0) {
+				cmsg=CMSG_FIRSTHDR(&msg);
+				while(cmsg) {
+#  if (TARGET==TARGET_LINUX)
+					if (cmsg->cmsg_level==SOL_IP && cmsg->cmsg_type==IP_PKTINFO) {
+						memcpy(&buf->pi.pi4,CMSG_DATA(cmsg),sizeof(struct in_pktinfo));
+						break;
+					}
+#  else
+					if (cmsg->cmsg_level==IPPROTO_IP && cmsg->cmsg_type==IP_RECVDSTADDR) {
+						memcpy(&buf->pi.ai4,CMSG_DATA(cmsg),sizeof(buf->pi.ai4));
+						break;
+					}
+#  endif
+					cmsg=CMSG_NXTHDR(&msg,cmsg);
+				}
+				if (!cmsg) {
+					if (++da_udp_errs<=UDP_MAX_ERRS) {
+						log_error("Could not discover udp destination address");
+					}
+					goto free_buf_continue;
+				}
+			} else if (errno!=EINTR) {
+				if (++da_udp_errs<=UDP_MAX_ERRS) {
+					log_error("error in UDP recv: %s", strerror(errno));
+				}
+			}
+		}
+# endif
+# ifdef ENABLE_IPV6
+		ELSE_IPV6 {
+			msg.msg_name=&buf->addr.sin6;
+			msg.msg_namelen=sizeof(struct sockaddr_in6);
+			if ((qlen=recvmsg(sock,&msg,0))>=0) {
+				cmsg=CMSG_FIRSTHDR(&msg);
+				while(cmsg) {
+					if (cmsg->cmsg_level==SOL_IPV6 && cmsg->cmsg_type==IPV6_PKTINFO) {
+						memcpy(&buf->pi.pi6,CMSG_DATA(cmsg),sizeof(struct in6_pktinfo));
+						break;
+					}
+					cmsg=CMSG_NXTHDR(&msg,cmsg);
+				}
+				if (!cmsg) {
+				       /* We might have an IPv4 Packet incoming on our IPv6 port, so we also have to
+				        * check for IPv4 sender addresses */
+					cmsg=CMSG_FIRSTHDR(&msg);
+					while(cmsg) {
+#  if (TARGET==TARGET_LINUX)
+						if (cmsg->cmsg_level==SOL_IP && cmsg->cmsg_type==IP_PKTINFO) {
+							memcpy(&sip,CMSG_DATA(cmsg),sizeof(sip));
+							IPV6_MAPIPV4(&sip.ipi_addr,&buf->pi.pi6.ipi6_addr);
+							buf->pi.pi6.ipi6_ifindex=sip.ipi_ifindex;
+							break;
+						}
+						/* FIXME: What about BSD? probably ok, but... */
+#  endif
+						cmsg=CMSG_NXTHDR(&msg,cmsg);
+					}
+					if (!cmsg) {
+						if (++da_udp_errs<=UDP_MAX_ERRS) {
+							log_error("Could not discover udp destination address");
+						}
+						goto free_buf_continue;
+					}
+				}
+			} else if (errno!=EINTR) {
+				if (++da_udp_errs<=UDP_MAX_ERRS) {
+					log_error("error in UDP recv: %s", strerror(errno));
+				}
+			}
+		}
+# endif
+#else /* !SRC_ADDR_DISC */
+# ifdef ENABLE_IPV4
+		if (run_ipv4) {
+			msg.msg_name=&buf->addr.sin4;
+			msg.msg_namelen=sizeof(struct sockaddr_in);
+		}
+# endif
+# ifdef ENABLE_IPV6
+		ELSE_IPV6 {
+			msg.msg_name=&buf->addr.sin6;
+			msg.msg_namelen=sizeof(struct sockaddr_in6);
+		}
+# endif
+		qlen=recvmsg(sock,&msg,0);
+		if (qlen<0 && errno!=EINTR) {
+			if (++da_udp_errs<=UDP_MAX_ERRS) {
+				log_error("error in UDP recv: %s", strerror(errno));
+			}
+		}
+#endif /* SRC_ADDR_DISC */
+
+		if (qlen>=0) {
+			pthread_mutex_lock(&proc_lock);
+			if (qprocs<global.proc_limit+global.procq_limit) {
+				int err;
+				++qprocs; ++spawned;
+				pthread_mutex_unlock(&proc_lock);
+				buf->len=qlen;
+				err=pthread_create(&pt,&attr_detached,udp_answer_thread,(void *)buf);
+				if(err==0)
+					continue;
+				if(++da_thrd_errs<=THRD_MAX_ERRS)
+					log_warn("pthread_create failed: %s",strerror(err));
+				/* If thread creation failed, free resources associated with it. */
+				pthread_mutex_lock(&proc_lock);
+				--qprocs; --spawned;
+			}
+			++dropped;
+			pthread_mutex_unlock(&proc_lock);
+		}
+	free_buf_continue:
+		pdnsd_free(buf);
+		usleep_r(50000);
+	}
+
+	udp_socket=-1;
+	close(sock);
+	udps_thrid=main_thrid;
+	if (tcp_socket==-1)
+	  pdnsd_exit();
+	return NULL;
+}
+
+#ifndef NO_TCP_SERVER
+
+static void tcp_answer_thread_cleanup(void *csock)
+{
+	close(*((int *)csock));
+	pdnsd_free(csock);
+	decrease_procs();
+}
+
+/*
+ * Process a dns query via tcp. The argument is a pointer to the socket.
+ */
+static void *tcp_answer_thread(void *csock)
+{
+	/* XXX: This should be OK, the original must be (and is) aligned */
+	int sock=*((int *)csock);
+	unsigned thrid;
+
+	pthread_cleanup_push(tcp_answer_thread_cleanup, csock);
+	THREAD_SIGINIT;
+
+	if (!global.strict_suid) {
+		if (!run_as(global.run_as)) {
+			pdnsd_exit();
+		}
+	}
+
+	for(;;) {
+		pthread_mutex_lock(&proc_lock);
+		if (procs<global.proc_limit)
+			break;
+		pthread_mutex_unlock(&proc_lock);
+		usleep_r(50000);
+	}
+	++procs;
+	thrid= ++thrid_cnt;
+	pthread_mutex_unlock(&proc_lock);
+
+#if DEBUG>0
+	if(debug_p) {
+		int err;
+		if ((err=pthread_setspecific(thrid_key, &thrid)) != 0) {
+			if(++da_misc_errs<=MISC_MAX_ERRS)
+				log_error("pthread_setspecific failed: %s",strerror(err));
+			/* pdnsd_exit(); */
+		}
+	}
+#endif
+#ifdef TCP_SUBSEQ
+
+	/* rfc1035 says we should process multiple queries in succession, so we are looping until
+	 * the socket is closed by the other side or by tcp timeout.
+	 * This in fact makes DoSing easier. If that is your concern, you should disable pdnsd's
+	 * TCP server.*/
+	for(;;)
+#endif
+	{
+		int rlen,olen;
+		size_t nlen;
+		unsigned char *buf;
+		dns_msg_t *resp;
+
+#ifdef NO_POLL
+		fd_set fds;
+		struct timeval tv;
+		FD_ZERO(&fds);
+		PDNSD_ASSERT(sock<FD_SETSIZE,"socket file descriptor exceeds FD_SETSIZE.");
+		FD_SET(sock, &fds);
+		tv.tv_usec=0;
+		tv.tv_sec=global.tcp_qtimeout;
+		if (select(sock+1,&fds,NULL,NULL,&tv)<=0)
+			pthread_exit(NULL); /* socket is closed by cleanup handler */
+#else
+		struct pollfd pfd;
+		pfd.fd=sock;
+		pfd.events=POLLIN;
+		if (poll(&pfd,1,global.tcp_qtimeout*1000)<=0)
+			pthread_exit(NULL); /* socket is closed by cleanup handler */
+#endif
+		{
+			ssize_t err;
+			uint16_t rlen_net;
+			if ((err=read(sock,&rlen_net,sizeof(rlen_net)))!=sizeof(rlen_net)) {
+				DEBUG_MSG("Error while reading from TCP client: %s\n",err==-1?strerror(errno):"incomplete data");
+				/*
+				 * If the socket timed or was closed before we even received the
+				 * query length, we cannot return an error. So exit silently.
+				 */
+				pthread_exit(NULL); /* socket is closed by cleanup handler */
+			}
+			rlen=ntohs(rlen_net);
+		}
+		if (rlen == 0) {
+			log_error("TCP zero size query received.\n");
+			pthread_exit(NULL);
+		}
+		buf=(unsigned char *)pdnsd_malloc(rlen);
+		if (!buf) {
+			if (++da_mem_errs<=MEM_MAX_ERRS) {
+				log_error("Out of memory in request handling.");
+			}
+			pthread_exit(NULL); /* socket is closed by cleanup handler */
+		}
+		pthread_cleanup_push(free, buf);
+
+		olen=0;
+		while(olen<rlen) {
+			int rv;
+#ifdef NO_POLL
+			FD_ZERO(&fds);
+			FD_SET(sock, &fds);
+			tv.tv_usec=0;
+			tv.tv_sec=global.tcp_qtimeout;
+			if (select(sock+1,&fds,NULL,NULL,&tv)<=0)
+				pthread_exit(NULL);  /* buf freed and socket closed by cleanup handlers */
+#else
+			pfd.fd=sock;
+			pfd.events=POLLIN;
+			if (poll(&pfd,1,global.tcp_qtimeout*1000)<=0)
+				pthread_exit(NULL);  /* buf freed and socket closed by cleanup handlers */
+#endif
+			rv=read(sock,buf+olen,rlen-olen);
+			if (rv<=0) {
+				DEBUG_MSG("Error while reading from TCP client: %s\n",rv==-1?strerror(errno):"incomplete data");
+				/*
+				 * If the promised length was not sent, we should return an error message,
+				 * but if read fails that way, it is unlikely that it will arrive. Nevertheless...
+				 */
+				if (olen>=2) { /* We need the id to send a valid reply. */
+					dns_msg_t err;
+					mk_error_reply(((dns_hdr_t*)buf)->id,
+						       olen>=3?((dns_hdr_t*)buf)->opcode:OP_QUERY,
+						       RC_FORMAT,
+						       &err.hdr);
+					err.len=htons(sizeof(dns_hdr_t));
+					write_all(sock,&err,sizeof(err)); /* error anyway. */
+				}
+				pthread_exit(NULL); /* buf freed and socket closed by cleanup handlers */
+			}
+			olen += rv;
+		}
+		nlen=rlen;
+		if (!(resp=process_query(buf,&nlen,NULL,NULL))) {
+			/*
+			 * A return value of NULL is a fatal error that prohibits even the sending of an error message.
+			 * logging is already done. Just exit the thread now.
+			 */
+			pthread_exit(NULL);
+		}
+		pthread_cleanup_pop(1);  /* free(buf) */
+		pthread_cleanup_push(free,resp);
+		{
+			int err; size_t rsize;
+			resp->len=htons(nlen);
+			rsize=dnsmsghdroffset+nlen;
+			if ((err=write_all(sock,resp,rsize))!=rsize) {
+				DEBUG_MSG("Error while writing to TCP client: %s\n",err==-1?strerror(errno):"unknown error");
+				pthread_exit(NULL); /* resp is freed and socket is closed by cleanup handlers */
+			}
+		}
+		pthread_cleanup_pop(1);  /* free(resp) */
+	}
+
+	/* socket is closed by cleanup handler */
+	pthread_cleanup_pop(1);
+	return NULL;
+}
+
+int init_tcp_socket()
+{
+	int sock;
+	union {
+#ifdef ENABLE_IPV4
+		struct sockaddr_in sin4;
+#endif
+#ifdef ENABLE_IPV6
+		struct sockaddr_in6 sin6;
+#endif
+	} sin;
+	socklen_t sinl;
+
+#ifdef ENABLE_IPV4
+	if (run_ipv4) {
+		if ((sock=socket(PF_INET,SOCK_STREAM,IPPROTO_TCP))==-1) {
+			log_error("Could not open tcp socket: %s",strerror(errno));
+			return -1;
+		}
+		memset(&sin.sin4,0,sizeof(struct sockaddr_in));
+		sin.sin4.sin_family=AF_INET;
+		sin.sin4.sin_port=htons(global.port);
+		sin.sin4.sin_addr=global.a.ipv4;
+		SET_SOCKA_LEN4(sin.sin4);
+		sinl=sizeof(struct sockaddr_in);
+	}
+#endif
+#ifdef ENABLE_IPV6
+	ELSE_IPV6 {
+		if ((sock=socket(PF_INET6,SOCK_STREAM,IPPROTO_TCP))==-1) {
+			log_error("Could not open tcp socket: %s",strerror(errno));
+			return -1;
+		}
+		memset(&sin.sin6,0,sizeof(struct sockaddr_in6));
+		sin.sin6.sin6_family=AF_INET6;
+		sin.sin6.sin6_port=htons(global.port);
+		sin.sin6.sin6_flowinfo=IPV6_FLOWINFO;
+		sin.sin6.sin6_addr=global.a.ipv6;
+		SET_SOCKA_LEN6(sin.sin6);
+		sinl=sizeof(struct sockaddr_in6);
+	}
+#endif
+	{
+		int so=1;
+		/* The SO_REUSEADDR socket option tells the kernel that even if this port
+		   is busy (in the TIME_WAIT state), go ahead and reuse it anyway. If it
+		   is busy, but with another state, we should get an address already in
+		   use error. It is useful if pdnsd is shut down, and then restarted right
+		   away while sockets are still active on its port. There is a slight risk
+		   though. If unexpected data comes in, it may confuse pdnsd, but while
+		   this is possible, it is not likely.
+		*/
+		if(setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,&so,sizeof(so)))
+			log_warn("Could not set options on tcp socket: %s",strerror(errno));
+	}
+	if (bind(sock,(struct sockaddr *)&sin,sinl)) {
+		log_error("Could not bind tcp socket: %s",strerror(errno));
+		close(sock);
+		return -1;
+	}
+	return sock;
+}
+
+/*
+ * Listen on the specified port for tcp connects and answer them (each in a new thread to be nonblocking)
+ */
+void *tcp_server_thread(void *p)
+{
+	int sock;
+	pthread_t pt;
+	int *csock;
+
+	/* (void)p; */  /* To inhibit "unused variable" warning */
+
+	THREAD_SIGINIT;
+
+	if (!global.strict_suid) {
+		if (!run_as(global.run_as)) {
+			pdnsd_exit();
+		}
+	}
+
+	sock=tcp_socket;
+
+	if (listen(sock,5)) {
+		if (++da_tcp_errs<=TCP_MAX_ERRS) {
+			log_error("Could not listen on tcp socket: %s",strerror(errno));
+		}
+		goto close_sock_return;
+	}
+
+	while (1) {
+		if (!(csock=(int *)pdnsd_malloc(sizeof(int)))) {
+			if (++da_mem_errs<=MEM_MAX_ERRS) {
+				log_error("Out of memory in request handling.");
+			}
+			break;
+		}
+		if ((*csock=accept(sock,NULL,0))==-1) {
+			if (errno!=EINTR && ++da_tcp_errs<=TCP_MAX_ERRS) {
+				log_error("tcp accept failed: %s",strerror(errno));
+			}
+		} else {
+			/*
+			 * With creating a new thread, we follow recommendations
+			 * in rfc1035 not to block
+			 */
+			pthread_mutex_lock(&proc_lock);
+			if (qprocs<global.proc_limit+global.procq_limit) {
+				int err;
+				++qprocs; ++spawned;
+				pthread_mutex_unlock(&proc_lock);
+				err=pthread_create(&pt,&attr_detached,tcp_answer_thread,(void *)csock);
+				if(err==0)
+					continue;
+				if(++da_thrd_errs<=THRD_MAX_ERRS)
+					log_warn("pthread_create failed: %s",strerror(err));
+				/* If thread creation failed, free resources associated with it. */
+				pthread_mutex_lock(&proc_lock);
+				--qprocs; --spawned;
+			}
+			++dropped;
+			pthread_mutex_unlock(&proc_lock);
+			close(*csock);
+		}
+		pdnsd_free(csock);
+		usleep_r(50000);
+	}
+ close_sock_return:
+	tcp_socket=-1;
+	close(sock);
+	tcps_thrid=main_thrid;
+	if (udp_socket==-1)
+		pdnsd_exit();
+	return NULL;
+}
+#endif
+
+/*
+ * Starts the tcp server thread and the udp server thread. Both threads
+ * are not terminated, so only a signal can interrupt the server.
+ */
+void start_dns_servers()
+{
+
+#ifndef NO_TCP_SERVER
+	if (tcp_socket!=-1) {
+		pthread_t tcps;
+
+		if (pthread_create(&tcps,&attr_detached,tcp_server_thread,NULL)) {
+			log_error("Could not create TCP server thread. Exiting.");
+			pdnsd_exit();
+		} else {
+			tcps_thrid=tcps;
+			log_info(2,"TCP server thread started.");
+		}
+	}
+#endif
+
+	if (udp_socket!=-1) {
+		pthread_t udps;
+
+		if (pthread_create(&udps,&attr_detached,udp_server_thread,NULL)) {
+			log_error("Could not create UDP server thread. Exiting.");
+			pdnsd_exit();
+		} else {
+			udps_thrid=udps;
+			log_info(2,"UDP server thread started.");
+		}
+	}
+}
+
+
+/* Report the thread status to the file descriptor f, for the status fifo (see status.c) */
+int report_thread_stat(int f)
+{
+	unsigned long nspawned,ndropped;
+	int nactive,ncurrent,nqueued;
+
+	/* The thread counters are volatile, so we will make copies
+	   under locked conditions to make sure we get consistent data.
+	*/
+	pthread_mutex_lock(&proc_lock);
+	nspawned=spawned; ndropped=dropped;
+	nactive=procs; ncurrent=qprocs;
+	nqueued=ncurrent-nactive;
+	pthread_mutex_unlock(&proc_lock);
+
+	fsprintf_or_return(f,"\nThread status:\n==============\n");
+	if(!pthread_equal(servstat_thrid,main_thrid))
+		fsprintf_or_return(f,"server status thread is running.\n");
+	if(!pthread_equal(statsock_thrid,main_thrid))
+		fsprintf_or_return(f,"pdnsd control thread is running.\n");
+	if(!pthread_equal(tcps_thrid,main_thrid))
+		fsprintf_or_return(f,"tcp server thread is running.\n");
+	if(!pthread_equal(udps_thrid,main_thrid))
+		fsprintf_or_return(f,"udp server thread is running.\n");
+	fsprintf_or_return(f,"%lu query threads spawned in total (%lu queries dropped).\n",
+			   nspawned,ndropped);
+	fsprintf_or_return(f,"%i running query threads (%i active, %i queued).\n",
+			   ncurrent,nactive,nqueued);
+	return 0;
+}
+
diff --git a/orbotservice/src/main/jni/pdnsd/src/dns_answer.h b/orbotservice/src/main/jni/pdnsd/src/dns_answer.h
new file mode 100644
index 0000000..9d67b5b
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/dns_answer.h
@@ -0,0 +1,40 @@
+/* dns_answer.h - Receive and process icoming dns queries.
+
+   Copyright (C) 2000 Thomas Moestl
+   Copyright (C) 2005 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef DNS_ANSWER_H
+#define DNS_ANSWER_H
+
+#include <config.h>
+
+/* --- from main.c */
+extern pthread_t main_thrid,servstat_thrid,statsock_thrid,tcps_thrid,udps_thrid;
+extern volatile int tcp_socket;
+extern volatile int udp_socket;
+/* --- */
+
+int init_udp_socket(void);
+int init_tcp_socket(void);
+void start_dns_servers(void);
+int report_thread_stat(int f);
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/dns_query.c b/orbotservice/src/main/jni/pdnsd/src/dns_query.c
new file mode 100644
index 0000000..0b6c9c0
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/dns_query.c
@@ -0,0 +1,3798 @@
+/* dns_query.c - Execute outgoing dns queries and write entries to cache
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <sys/types.h>
+#ifdef HAVE_SYS_POLL_H
+#include <sys/poll.h>
+#endif
+#include <stdlib.h>
+#include <netdb.h>
+#include <errno.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include "list.h"
+#include "consts.h"
+#include "ipvers.h"
+#include "dns_query.h"
+#include "cache.h"
+#include "dns.h"
+#include "conff.h"
+#include "servers.h"
+#include "helpers.h"
+#include "netdev.h"
+#include "error.h"
+#include "debug.h"
+
+
+#if defined(NO_TCP_QUERIES) && M_PRESET!=UDP_ONLY
+# error "You may not define NO_TCP_QUERIES when M_PRESET is not set to UDP_ONLY"
+#endif
+#if defined(NO_UDP_QUERIES) && M_PRESET!=TCP_ONLY
+# error "You may not define NO_UDP_QUERIES when M_PRESET is not set to TCP_ONLY"
+#endif
+
+/* data type to hold lists of IP addresses (both v4 and v6)
+   The allocated size should be:
+     sizeof(rejectlist_t) + na4*sizeof(addr4maskpair_t) + na6*sizeof(addr6maskpair_t)
+*/
+typedef struct rejectlist_s {
+	struct rejectlist_s *next;
+	short               policy;
+	short               inherit;
+	int                 na4;
+#if ALLOW_LOCAL_AAAA
+	int                 na6;
+	addr6maskpair_t     rdata[0];  /* dummy array for alignment */
+#else
+	addr4maskpair_t     rdata[0];
+#endif
+} rejectlist_t;
+
+/* --- structures and state constants for parallel query */
+typedef struct {
+	union {
+#ifdef ENABLE_IPV4
+		struct sockaddr_in  sin4;
+#endif
+#ifdef ENABLE_IPV6
+		struct sockaddr_in6 sin6;
+#endif
+	}                   a;
+#ifdef ENABLE_IPV6
+	struct in_addr      a4fallback;
+#endif
+	time_t              timeout;
+	unsigned short      flags;
+	short               state;
+	short               qm;
+	char                nocache;
+        char                auth_serv;
+	char                lean_query;
+	char                edns_query;
+	char                needs_testing;
+	char                trusted;
+	char                aa;
+	char                tc;
+	char                ra;
+	char                failed;
+	const unsigned char *nsdomain;
+	rejectlist_t        *rejectlist;
+	/* internal state for p_exec_query */
+	int                 sock;
+#if 0
+	dns_cent_t          nent;
+	dns_cent_t          servent;
+#endif
+	unsigned short      transl;
+	unsigned short      recvl;
+#ifndef NO_TCP_QUERIES
+	int                 iolen;  /* number of bytes written or read up to now */
+#endif
+	dns_msg_t           *msg;
+	dns_hdr_t           *recvbuf;
+	unsigned short      myrid;
+	int                 s_errno;
+} query_stat_t;
+typedef DYNAMIC_ARRAY(query_stat_t) *query_stat_array;
+
+/* Some macros for handling data in reject lists
+   Perhaps we should use inline functions instead of macros.
+*/
+#define have_rejectlist(st) ((st)->rejectlist!=NULL)
+#define inherit_rejectlist(st) ((st)->rejectlist && (st)->rejectlist->inherit)
+#define reject_policy(st)   ((st)->rejectlist->policy)
+#define nreject_a4(st)      ((st)->rejectlist->na4)
+#if ALLOW_LOCAL_AAAA
+#define nreject_a6(st)      ((st)->rejectlist->na6)
+#define rejectlist_a6(st)   ((addr6maskpair_t *)(st)->rejectlist->rdata)
+#define rejectlist_a4(st)   ((addr4maskpair_t *)(rejectlist_a6(st)+nreject_a6(st)))
+#else
+#define rejectlist_a4(st)   ((addr4maskpair_t *)(st)->rejectlist->rdata)
+#endif
+
+#define QS_INITIAL       0  /* This is the initial state. Set this before starting. */
+
+#define QS_TCPINITIAL    1  /* Start a TCP query. */
+#define QS_TCPWRITE      2  /* Waiting to write data. */
+#define QS_TCPREAD       3  /* Waiting to read data. */
+
+#define QS_UDPINITIAL    4  /* Start a UDP query */
+#define QS_UDPRECEIVE    5  /* UDP query transmitted, waiting for response. */
+
+#define QS_QUERY_CASES   case QS_TCPINITIAL: case QS_TCPWRITE: case QS_TCPREAD: case QS_UDPINITIAL: case QS_UDPRECEIVE
+
+#define QS_CANCELED      7  /* query was started, but canceled before completion */
+#define QS_DONE          8  /* done, resources freed, result is in stat_t */
+
+
+/* Events to be polled/selected for */
+#define QS_WRITE_CASES case QS_TCPWRITE
+#define QS_READ_CASES  case QS_TCPREAD: case QS_UDPRECEIVE
+
+/*
+ * This is for error handling to prevent spewing the log files.
+ * Races do not really matter here, so no locks.
+ */
+#define MAXPOLLERRS 10
+static volatile unsigned long poll_errs=0;
+
+#define SOCK_ADDR(p) ((struct sockaddr *) &(p)->a)
+
+#ifdef SIN_LEN
+#undef SIN_LEN
+#endif
+
+#define SIN_LEN SEL_IPVER(sizeof(struct sockaddr_in),sizeof(struct sockaddr_in6))
+#define PDNSD_A(p) SEL_IPVER(((pdnsd_a *) &(p)->a.sin4.sin_addr),((pdnsd_a *) &(p)->a.sin6.sin6_addr))
+
+#ifndef EWOULDBLOCK
+#define EWOULDBLOCK EAGAIN
+#endif
+
+typedef DYNAMIC_ARRAY(dns_cent_t) *dns_cent_array;
+
+
+/*
+ * Take the data from an RR and add it to an array of cache entries.
+ * The return value will be RC_OK in case of success,
+ * RC_SERVFAIL in case there is a problem with inconsistent ttl timestamps
+ * or RC_FATALERR in case of a memory allocation failure.
+ */
+static int rr_to_cache(dns_cent_array *centa, unsigned char *oname, int tp, time_t ttl,
+		       unsigned dlen, void *data, unsigned flags, time_t queryts)
+{
+	int i,n;
+	dns_cent_t *cent;
+
+	n=DA_NEL(*centa);
+	for(i=0;i<n;++i) {
+		cent=&DA_INDEX(*centa,i);
+		if (rhnicmp(cent->qname,oname)) {
+			int retval=RC_OK;
+			/* We already have an entry in the array for this name. add_cent_rr is sufficient.
+			   However, make sure there are no double records. This is done by add_cent_rr */
+#ifdef RFC2181_ME_HARDER
+			rr_set_t *rrset= getrrset(cent,tp);
+			if (rrset && rrset->ttl!=ttl)
+				retval= RC_SERVFAIL;
+#endif
+			return add_cent_rr(cent,tp,ttl,queryts,flags,dlen,data  DBG1)? retval: RC_FATALERR;
+		}
+	}
+
+	/* Add a new entry to the array for this name. */
+	if (!(*centa=DA_GROW1_F(*centa,free_cent0)))
+		return RC_FATALERR;
+	cent=&DA_LAST(*centa);
+	if (!init_cent(cent,oname, 0, 0, 0  DBG1)) {
+		*centa=DA_RESIZE(*centa,n);
+		return RC_FATALERR;
+	}
+	return add_cent_rr(cent,tp,ttl,queryts,flags,dlen,data  DBG1)? RC_OK: RC_FATALERR;
+}
+
+/*
+ * Takes a pointer (ptr) to a buffer with recnum rrs,decodes them and enters
+ * them into an array of cache entries. *ptr is modified to point after the last
+ * rr, and *lcnt is decremented by the size of the rrs.
+ *
+ * *numopt is incremented with the number of OPT pseudo RRs found (should be at most one).
+ * The structure pointed to by ep is filled with the information of the first OPT pseudo RR found,
+ * but only if *numopt was set to zero before the call.
+ *
+ * The return value will be either RC_OK (which indicates success),
+ * or one of the failure codes RC_FORMAT, RC_TRUNC, RC_SERVFAIL or RC_FATALERR
+ * (the latter indicates a memory allocation failure).
+*/
+static int rrs2cent(unsigned char *msg, size_t msgsz, unsigned char **ptr, size_t *lcnt, int recnum,
+		    unsigned flags, time_t queryts, dns_cent_array *centa, int *numopt, edns_info_t *ep)
+{
+	int rc, retval=RC_OK;
+	int i;
+	uint16_t type,class; uint32_t ttl; uint16_t rdlength;
+
+	for (i=0;i<recnum;i++) {
+		unsigned char oname[DNSNAMEBUFSIZE], *ttlp;
+		unsigned int len;
+		if ((rc=decompress_name(msg, msgsz, ptr, lcnt, oname, &len))!=RC_OK) {
+			return rc;
+		}
+		if (*lcnt<sizeof_rr_hdr_t) {
+			return RC_TRUNC;
+		}
+		*lcnt -= sizeof_rr_hdr_t;
+		GETINT16(type,*ptr);
+		GETINT16(class,*ptr);
+		ttlp= *ptr;   /* Remember pointer to ttl field. */
+		GETINT32(ttl,*ptr);
+		GETINT16(rdlength,*ptr);
+		if (*lcnt<rdlength) {
+			return RC_TRUNC;
+		}
+
+		if(type==T_OPT) {
+			/* Found OPT pseudo-RR */
+			if((*numopt)++ == 0) {
+#if DEBUG>0
+				if(oname[0]!=0) {
+					DEBUG_MSG("rrs2cent: name in OPT record not empty!\n");
+				}
+#endif
+				ep->udpsize= class;
+				ep->rcode= ((uint16_t)ttlp[0]<<4) | ((dns_hdr_t *)msg)->rcode;
+				ep->version= ttlp[1];
+				ep->do_flg= (ttlp[2]>>7)&1;
+#if DEBUG>0
+				if(debug_p) {
+					unsigned int Zflags= ((uint16_t)ttlp[2]<<8) | ttlp[3];
+					if(Zflags & 0x7fff) {
+						DEBUG_MSG("rrs2cent: Z field contains unknown nonzero bits (%04x).\n",
+							  Zflags);
+					}
+				}
+				if(rdlength) {
+					DEBUG_MSG("rrs2cent: RDATA field in OPT record not empty!\n");
+				}
+#endif
+			}
+			else {
+				DEBUG_MSG("rrs2cent: ingnoring surplus OPT record.\n");
+			}
+		}
+		else if (!(PDNSD_NOT_CACHED_TYPE(type) || class!=C_IN)) {
+			/* Some types contain names that may be compressed, so these need to be processed.
+			 * The other records are taken as they are. */
+
+			size_t blcnt=rdlength;
+			unsigned char *bptr=*ptr;  /* make backup for decompression, because rdlength is the
+						      authoritative record length and pointer and size will be
+						      modified by decompress_name. */
+			unsigned char *nptr;
+			unsigned int slen;
+
+			switch (type) {
+			case T_A:
+				/* Validate types we use internally */
+				if(rdlength!=4) goto invalid_length;
+				goto default_case;
+
+			case T_CNAME:
+			case T_MB:
+			case T_MD:
+			case T_MF:
+			case T_MG:
+			case T_MR:
+			case T_NS:
+			case T_PTR:
+			{
+				unsigned char db[DNSNAMEBUFSIZE];
+				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, db, &len))!=RC_OK)
+					return rc==RC_TRUNC?RC_FORMAT:rc;
+				if (blcnt!=0)
+					goto trailing_junk;
+				if ((rc=rr_to_cache(centa, oname, type, ttl, len, db, flags,queryts))!=RC_OK) {
+					if(rc==RC_FATALERR)
+						return rc;
+					retval=rc;
+				}
+			}
+				break;
+
+#if IS_CACHED_MINFO || IS_CACHED_RP
+#if IS_CACHED_MINFO
+			case T_MINFO:
+#endif
+#if IS_CACHED_RP
+			case T_RP:
+#endif
+			{
+				unsigned char db[DNSNAMEBUFSIZE+DNSNAMEBUFSIZE];
+				nptr=db;
+				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
+					return rc==RC_TRUNC?RC_FORMAT:rc;
+				/* PDNSD_ASSERT(len + DNSNAMEBUFSIZE <= sizeof(db), "T_MINFO/T_RP: buffer limit reached"); */
+				nptr+=len;
+				slen=len;
+				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
+					return rc==RC_TRUNC?RC_FORMAT:rc;
+				/*nptr+=len;*/
+				slen+=len;
+				if (blcnt!=0)
+					goto trailing_junk;
+				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
+					if(rc==RC_FATALERR)
+						return rc;
+					retval=rc;
+				}
+			}
+				break;
+#endif
+			case T_MX:
+#if IS_CACHED_AFSDB
+			case T_AFSDB:
+#endif
+#if IS_CACHED_RT
+			case T_RT:
+#endif
+#if IS_CACHED_KX
+			case T_KX:
+#endif
+			{
+				unsigned char db[2+DNSNAMEBUFSIZE];
+				if (blcnt<2)
+					goto record_too_short;
+				memcpy(db,bptr,2); /* copy the preference field*/
+				blcnt-=2;
+				bptr+=2;
+				nptr=db+2;
+				slen=2;
+				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
+					return rc==RC_TRUNC?RC_FORMAT:rc;
+				/*nptr+=len;*/
+				slen+=len;
+				if (blcnt!=0)
+					goto trailing_junk;
+				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
+					if(rc==RC_FATALERR)
+						return rc;
+					retval=rc;
+				}
+			}
+				break;
+
+			case T_SOA:
+			{
+				unsigned char db[DNSNAMEBUFSIZE+DNSNAMEBUFSIZE+20];
+				nptr=db;
+				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
+					return rc==RC_TRUNC?RC_FORMAT:rc;
+				/* PDNSD_ASSERT(len + DNSNAMEBUFSIZE <= sizeof(db), "T_SOA: buffer limit reached"); */
+				nptr+=len;
+				slen=len;
+				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
+					return rc==RC_TRUNC?RC_FORMAT:rc;
+				nptr+=len;
+				slen+=len;
+				/* PDNSD_ASSERT(slen + 20 <= sizeof(db), "T_SOA: buffer limit reached"); */
+				if (blcnt<20)
+					goto record_too_short;
+				memcpy(nptr,bptr,20); /*copy the rest of the SOA record*/
+				blcnt-=20;
+				slen+=20;
+				if (blcnt!=0)
+					goto trailing_junk;
+				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
+					if(rc==RC_FATALERR)
+						return rc;
+					retval=rc;
+				}
+			}
+				break;
+#if IS_CACHED_AAAA
+			case T_AAAA:
+				/* Validate types we use internally */
+				if(rdlength!=16) goto invalid_length;
+				goto default_case;
+#endif
+#if IS_CACHED_PX
+			case T_PX:
+			{
+				unsigned char db[2+DNSNAMEBUFSIZE+DNSNAMEBUFSIZE];
+				if (blcnt<2)
+					goto record_too_short;
+				memcpy(db,bptr,2); /* copy the preference field*/
+				blcnt-=2;
+				bptr+=2;
+				nptr=db+2;
+				slen=2;
+				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
+					return rc==RC_TRUNC?RC_FORMAT:rc;
+				/* PDNSD_ASSERT(len + DNSNAMEBUFSIZE <= sizeof(db), "T_PX: buffer limit reached"); */
+				nptr+=len;
+				slen+=len;
+				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
+					return rc==RC_TRUNC?RC_FORMAT:rc;
+				/* nptr+=len; */
+				slen+=len;
+				if (blcnt!=0)
+					goto trailing_junk;
+				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
+					if(rc==RC_FATALERR)
+						return rc;
+					retval=rc;
+				}
+			}
+				break;
+#endif
+#if IS_CACHED_SRV
+			case T_SRV:
+			{
+				unsigned char db[6+DNSNAMEBUFSIZE];
+				if (blcnt<6)
+					goto record_too_short;
+				memcpy(db,bptr,6);
+				blcnt-=6;
+				bptr+=6;
+				nptr=db+6;
+				slen=6;
+				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
+					return rc==RC_TRUNC?RC_FORMAT:rc;
+				/*nptr+=len;*/
+				slen+=len;
+				if (blcnt!=0)
+					goto trailing_junk;
+				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
+					if(rc==RC_FATALERR)
+						return rc;
+					retval=rc;
+				}
+			}
+				break;
+#endif
+#if IS_CACHED_NXT
+			case T_NXT:
+			{
+				unsigned char db[1040];
+				nptr=db;
+				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
+					return rc==RC_TRUNC?RC_FORMAT:rc;
+				nptr+=len;
+				slen=len+blcnt;
+				if (slen > sizeof(db))
+					goto buffer_overflow;
+				memcpy(nptr,bptr,blcnt);
+				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
+					if(rc==RC_FATALERR)
+						return rc;
+					retval=rc;
+				}
+			}
+				break;
+#endif
+#if IS_CACHED_NAPTR
+			case T_NAPTR:
+			{
+				int j;
+				unsigned char db[4 + 3*256 + DNSNAMEBUFSIZE];
+				nptr=db;
+				/*
+				 * After the preference field, three text strings follow, the maximum length being 255
+				 * characters for each (this is ensured by the type of *bptr), plus one length byte for
+				 * each, so 3 * 256 = 786 in total. In addition, the name below is up to DNSNAMEBUFSIZE characters
+				 * in size, and the preference field is another 4 bytes in size, so the total length
+				 * that can be taken up is 1028 characters. This means that the whole record will always
+				 * fit into db.
+				 */
+				len=4;   /* also copy the preference field*/
+				for (j=0;j<3;j++) {
+					if (len>=blcnt)
+						goto record_too_short;
+					len += ((unsigned)bptr[len])+1;
+				}
+				if(len>blcnt)
+					goto record_too_short;
+				memcpy(nptr,bptr,len);
+				blcnt-=len;
+				bptr+=len;
+				nptr+=len;
+				slen=len;
+
+				/* PDNSD_ASSERT(slen+DNSNAMEBUFSIZE <= sizeof(db), "T_NAPTR: buffer limit reached (name)"); */
+				if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nptr, &len))!=RC_OK)
+					return rc==RC_TRUNC?RC_FORMAT:rc;
+				/*nptr+=len;*/
+				slen+=len;
+				if (blcnt!=0)
+					goto trailing_junk;
+				if ((rc=rr_to_cache(centa, oname, type, ttl, slen, db, flags,queryts))!=RC_OK) {
+					if(rc==RC_FATALERR)
+						return rc;
+					retval=rc;
+				}
+			}
+				break;
+#endif
+#if IS_CACHED_IPSECKEY
+			case T_IPSECKEY:
+			{
+				unsigned gwtp;
+				/* An IPSECKEY record can contain a domain name, so we do some sanity checks just to be sure. */
+				if(blcnt<3) goto record_too_short;
+				gwtp= bptr[1];
+				blcnt -= 3;
+				bptr += 3;
+				switch(gwtp) {
+				case 0: goto default_case;
+				case 1: /* There should be enough room for IPv4 address. */
+					if(blcnt<4) goto record_too_short;
+					goto default_case;
+				case 2: /* There should be enough room for IPv6 address. */
+					if(blcnt<16) goto record_too_short;
+					goto default_case;
+				case 3: /* Check that domain name is not compressed. */
+					if(isnormalencdomname(bptr,blcnt)) goto default_case;
+					/* It appears the name is compressed even though RFC 4025
+					   says it shouldn't be. For the sake of flexibility, we
+					   try to decompress it anyway. */
+					{
+						unsigned char *rbuf, nmbuf[DNSNAMEBUFSIZE];
+						if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nmbuf, &len))!=RC_OK)
+							return rc==RC_TRUNC?RC_FORMAT:rc;
+						slen=3+len+blcnt;
+						rbuf=malloc(slen);
+						if(!rbuf) return RC_FATALERR;
+						nptr=mempcpy(rbuf,*ptr,3);
+						nptr=mempcpy(nptr,nmbuf,len);
+						memcpy(nptr,bptr,blcnt);
+						rc=rr_to_cache(centa, oname, type, ttl, slen, rbuf, flags,queryts);
+						free(rbuf);
+						if(rc!=RC_OK) {
+							if(rc==RC_FATALERR)
+								return rc;
+							retval=rc;
+						}
+					}
+					break;
+				default:
+					DEBUG_MSG("rrs2cent: %s record contains unsupported gateway type (%u).\n",getrrtpname(type),gwtp);
+					return RC_FORMAT;
+				}
+			}
+				break;
+#endif
+#if IS_CACHED_RRSIG
+			case T_RRSIG:
+				/* An RRSIG record contains a domain name, so we do some sanity checks just to be sure. */
+				if(blcnt<18) goto record_too_short;
+				blcnt -= 18;
+				bptr += 18;
+				if(isnormalencdomname(bptr,blcnt)) goto default_case;
+				/* It appears the name is compressed even though RFC 4034
+				   says it shouldn't be. For the sake of flexibility, we
+				   try to decompress it anyway. */
+				{
+					unsigned char *rbuf, nmbuf[DNSNAMEBUFSIZE];
+					if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nmbuf, &len))!=RC_OK)
+						return rc==RC_TRUNC?RC_FORMAT:rc;
+					slen=18+len+blcnt;
+					rbuf=malloc(slen);
+					if(!rbuf) return RC_FATALERR;
+					nptr=mempcpy(rbuf,*ptr,18);
+					nptr=mempcpy(nptr,nmbuf,len);
+					memcpy(nptr,bptr,blcnt);
+					rc=rr_to_cache(centa, oname, type, ttl, slen, rbuf, flags,queryts);
+					free(rbuf);
+					if(rc!=RC_OK) {
+						if(rc==RC_FATALERR)
+							return rc;
+						retval=rc;
+					}
+				}
+				break;
+#endif
+#if IS_CACHED_NSEC
+			case T_NSEC:
+				/* An NSEC record contains a domain name, so we do some sanity checks just to be sure. */
+				if(isnormalencdomname(bptr,blcnt)) goto default_case;
+				/* It appears the name is compressed even though RFC 4034
+				   says it shouldn't be. For the sake of flexibility, we
+				   try to decompress it anyway. */
+				{
+					unsigned char *rbuf, nmbuf[DNSNAMEBUFSIZE];
+					if ((rc=decompress_name(msg, msgsz, &bptr, &blcnt, nmbuf, &len))!=RC_OK)
+						return rc==RC_TRUNC?RC_FORMAT:rc;
+					slen=len+blcnt;
+					rbuf=malloc(slen);
+					if(!rbuf) return RC_FATALERR;
+					nptr=mempcpy(rbuf,nmbuf,len);
+					memcpy(nptr,bptr,blcnt);
+					rc=rr_to_cache(centa, oname, type, ttl, slen, rbuf, flags,queryts);
+					free(rbuf);
+					if(rc!=RC_OK) {
+						if(rc==RC_FATALERR)
+							return rc;
+						retval=rc;
+					}
+				}
+				break;
+#endif
+			default:
+			default_case:
+				if ((rc=rr_to_cache(centa, oname, type, ttl, rdlength, *ptr, flags,queryts))!=RC_OK) {
+					if(rc==RC_FATALERR)
+						return rc;
+					retval=rc;
+				}
+			}
+		}
+		else {
+			/* skip otherwise */
+			DEBUG_MSG("rrs2cent: ignoring record of type %s (%d), class %s (%d).\n",
+				  getrrtpname(type), type,
+				  class==C_IN?"IN":"[unknown]", class);
+		}
+
+		*lcnt -= rdlength;
+		*ptr += rdlength;
+	}
+	return retval;
+
+ trailing_junk:
+	DEBUG_MSG("rrs2cent: %s record has trailing junk.\n",getrrtpname(type));
+	return RC_FORMAT;
+
+ record_too_short:
+	DEBUG_MSG("rrs2cent: %s record too short.\n",getrrtpname(type));
+	return RC_FORMAT;
+
+ buffer_overflow:
+	DEBUG_MSG("rrs2cent: buffer too small to process %s record.\n",getrrtpname(type));
+	return RC_FORMAT;
+
+ invalid_length:
+	DEBUG_MSG("rrs2cent: %s record has length %u.\n",getrrtpname(type),rdlength);
+	return RC_FORMAT;
+}
+
+/*
+ * Try to bind the socket to a port in the given port range. Returns 1 on success, or 0 on failure.
+ */
+static int bind_socket(int s)
+{
+	int query_port_start=global.query_port_start,query_port_end=global.query_port_end;
+
+	/*
+	 * -1, as a special value for query_port_start, denotes that we let the kernel select
+	 * a port when we first use the socket, which used to be the default.
+	 */
+	if (query_port_start >= 0) {
+		union {
+#ifdef ENABLE_IPV4
+			struct sockaddr_in sin4;
+#endif
+#ifdef ENABLE_IPV6
+			struct sockaddr_in6 sin6;
+#endif
+		} sin;
+		socklen_t sinl;
+		int prt, pstart, range = query_port_end-query_port_start+1, m=0xffff;
+		unsigned try1,try2, maxtry2;
+
+		if (range<=0 || range>0x10000) {
+			log_warn("Illegal port range in %s line %d, dropping query!\n",__FILE__,__LINE__);
+			return 0;
+		}
+		if(range<=0x8000) {
+			/* Find the smallest power of 2 >= range. */
+			for(m=1; m<range; m <<= 1);
+			/* Convert into a bit mask. */
+			--m;
+		}
+
+		for (try2=0,maxtry2=range*2;;) {
+			/* Get a random number < range, by rejecting those >= range. */
+			for(try1=0;;) {
+				prt= get_rand16()&m;
+				if(prt<range) break;
+				if(++try1>=0x10000) {
+					log_warn("Cannot get random number < range"
+						 " after %d tries in %s line %d,"
+						 " bad random number generator?\n",
+						 try1,__FILE__,__LINE__);
+					return 0;
+				}
+			}
+			prt += query_port_start;
+
+			for(pstart=prt;;) {
+#ifdef ENABLE_IPV4
+				if (run_ipv4) {
+					memset(&sin.sin4,0,sizeof(struct sockaddr_in));
+					sin.sin4.sin_family=AF_INET;
+					sin.sin4.sin_port=htons(prt);
+					sin.sin4.sin_addr=global.out_a.ipv4;
+					SET_SOCKA_LEN4(sin.sin4);
+					sinl=sizeof(struct sockaddr_in);
+				}
+#endif
+#ifdef ENABLE_IPV6
+				ELSE_IPV6 {
+					memset(&sin.sin6,0,sizeof(struct sockaddr_in6));
+					sin.sin6.sin6_family=AF_INET6;
+					sin.sin6.sin6_port=htons(prt);
+					sin.sin6.sin6_flowinfo=IPV6_FLOWINFO;
+					sin.sin6.sin6_addr=global.out_a.ipv6;
+					SET_SOCKA_LEN6(sin.sin6);
+					sinl=sizeof(struct sockaddr_in6);
+				}
+#endif
+				if (bind(s,(struct sockaddr *)&sin,sinl)==-1) {
+					if (errno!=EADDRINUSE &&
+					    errno!=EADDRNOTAVAIL) { /* EADDRNOTAVAIL should not happen here... */
+						log_warn("Could not bind to socket: %s\n", strerror(errno));
+						return 0;
+					}
+					/* If the address is in use, we continue. */
+				} else
+					goto done;
+
+				if(++try2>=maxtry2) {
+					/* It is possible we missed the free ports by chance,
+					   try scanning the whole range. */
+					if (++prt>query_port_end)
+						prt=query_port_start;
+					if (prt==pstart) {
+						/* Wrapped around, scanned the whole range. Give up. */
+						log_warn("Out of ports in the range"
+							 " %d-%d, dropping query!\n",
+							 query_port_start,query_port_end);
+						return 0;
+					}
+				}
+				else    /* Try new random number */
+					break;
+			}
+		}
+	}
+done:
+	return 1;
+}
+
+
+inline static void *realloc_or_cleanup(void *ptr,size_t size)
+{
+	void *retval=pdnsd_realloc(ptr,size);
+	if(!retval)
+		pdnsd_free(ptr);
+	return retval;
+}
+
+#if defined(NO_TCP_QUERIES)
+# define USE_UDP(st) 1
+#elif defined(NO_UDP_QUERIES)
+# define USE_UDP(st) 0
+#else /* !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES) */
+# define USE_UDP(st) ((st)->qm==UDP_ONLY || (st)->qm==UDP_TCP)
+
+/* These functions will be used in case a TCP query might fail and we want to try again using UDP. */
+
+# define tentative_tcp_query(st) ((st)->qm==TCP_UDP && ((st)->state==QS_TCPWRITE || ((st)->state==QS_TCPREAD && (st)->iolen==0)))
+
+inline static void switch_to_udp(query_stat_t *st)
+{
+	st->qm=UDP_ONLY;
+	st->myrid=get_rand16();
+	st->msg->hdr.id=htons(st->myrid);
+	st->state=QS_UDPINITIAL;
+	/* st->failed=0; */
+}
+
+/* This function will be used in case a UDP reply was truncated and we want to try again using TCP. */
+
+inline static void switch_to_tcp(query_stat_t *st)
+{
+	/* PDNSD_ASSERT(st->state==QS_INITIAL || st->state==QS_DONE || st->state==QS_CANCELED,
+	   "Attempt to switch to TCP while a query is in progress."); */
+	st->qm=TCP_ONLY;
+	st->state=QS_INITIAL;
+	st->failed=0;
+}
+#endif
+
+
+/* ------ following is the parallel query code.
+ * It has been observed that a whole lot of name servers are just damn lame, with response time
+ * of about 1 min. If that slow one is by chance the first server we try, serializing the tries is quite
+ * sub-optimal. Also when doing serial queries, the timeout values given in the config will add up, which
+ * is not the Right Thing. Now that serial queries are in place, this is still true for CNAME recursion,
+ * and for recursion in quest for the holy AA, but not totally for querying multiple servers.
+ * The impact on network bandwith should be only marginal (given todays bandwith).
+ *
+ * The actual strategy is to do (max) PAR_QUERIES parallel queries, and, if these time out or fail, do again
+ * that number of queries, until we are successful or there are no more servers to query.
+ * Since the memory footprint of a thread is considerably large on some systems, and because we have better
+ * control, we will do the parallel queries multiplexed in one thread.
+ */
+
+/* The query state machine that is called from p_exec_query. This is called once for initialization (state
+ * QS_TCPINITIAL or QS_UDPINITIAL is preset), and the state that it gives back may either be state QS_DONE,
+ * in which case it must return a return code other than -1 and is called no more for this server
+ * (except perhaps in UDP mode if TCP failed). If p_query_sm returns -1, then the state machine is in a read
+ * or write state, and a function higher up the calling chain can setup a poll() or select() together with st->sock.
+ * If that poll/select is succesful for that socket, p_exec_query is called again and will hand over to p_query_sm.
+ * So, you can assume that read(), write() and recvfrom() will not block at the start of a state handling when you
+ * have returned -1 (which means "call again") as last step of the last state handling. */
+static int p_query_sm(query_stat_t *st)
+{
+	int retval=RC_SERVFAIL,rv;
+
+#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
+ tryagain:
+#endif
+	switch (st->state){
+		/* TCP query code */
+#ifndef NO_TCP_QUERIES
+	case QS_TCPINITIAL:
+		if ((st->sock=socket(PDNSD_PF_INET,SOCK_STREAM,IPPROTO_TCP))==-1) {
+			DEBUG_MSG("Could not open socket: %s\n", strerror(errno));
+			break;
+		}
+		/* sin4 or sin6 is intialized, hopefully. */
+
+		/* maybe bind */
+		if (!bind_socket(st->sock)) {
+			close(st->sock);
+			break;
+		}
+
+		/* transmit query by tcp*/
+		/* make the socket non-blocking */
+		{
+			int oldflags = fcntl(st->sock, F_GETFL, 0);
+			if (oldflags == -1 || fcntl(st->sock,F_SETFL,oldflags|O_NONBLOCK)==-1) {
+				DEBUG_PDNSDA_MSG("fcntl error while trying to make socket to %s non-blocking: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(errno));
+				close(st->sock);
+				break;
+			}
+ 		}
+		st->iolen=0;
+#ifdef ENABLE_IPV6
+	retry_tcp_connect:
+#endif
+		if (connect(st->sock,SOCK_ADDR(st),SIN_LEN)==-1) {
+			if (errno==EINPROGRESS || errno==EPIPE) {
+				st->state=QS_TCPWRITE;
+				/* st->event=QEV_WRITE; */ /* wait for writability; the connect is then done */
+				return -1;
+			} else if (errno==ECONNREFUSED) {
+				st->s_errno=errno;
+				DEBUG_PDNSDA_MSG("TCP connection refused by %s\n", PDNSDA2STR(PDNSD_A(st)));
+				close(st->sock);
+				goto tcp_failed; /* We may want to try again using UDP */
+			} else {
+				/* Since immediate connect() errors do not cost any time, we do not try to switch the
+				 * server status to offline */
+#ifdef ENABLE_IPV6
+				/* if IPv6 connectivity is for some reason unavailable, perhaps the
+				   IPv4 fallback address can still be reached. */
+				if(!run_ipv4 && (errno==ENETUNREACH || errno==ENETDOWN)
+				   && st->a4fallback.s_addr!=INADDR_ANY)
+				{
+#if DEBUG>0
+					char abuf[ADDRSTR_MAXLEN];
+					DEBUG_PDNSDA_MSG("Connecting to %s failed: %s, retrying with IPv4 address %s\n",
+							 PDNSDA2STR(PDNSD_A(st)),strerror(errno),
+							 inet_ntop(AF_INET,&st->a4fallback,abuf,sizeof(abuf)));
+#endif
+					IPV6_MAPIPV4(&st->a4fallback,&st->a.sin6.sin6_addr);
+					st->a4fallback.s_addr=INADDR_ANY;
+					goto retry_tcp_connect;
+				}
+#endif
+				DEBUG_PDNSDA_MSG("Error while connecting to %s: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(errno));
+				close(st->sock);
+				break;
+			}
+		}
+		st->state=QS_TCPWRITE;
+		/* st->event=QEV_WRITE; */
+		/* fall through in case of not EINPROGRESS */
+	case QS_TCPWRITE:
+		{
+			int rem= dnsmsghdroffset + st->transl - st->iolen;
+			if(rem>0) {
+				rv=write(st->sock,((unsigned char*)st->msg)+st->iolen,rem);
+				if(rv==-1) {
+					if(errno==EWOULDBLOCK)
+						return -1;
+					st->s_errno=errno;
+					close(st->sock);
+					if (st->iolen==0 &&
+					    (st->s_errno==ECONNREFUSED || st->s_errno==ECONNRESET ||
+					     st->s_errno==EPIPE))
+					{
+						/* This error may be delayed from connect() */
+						DEBUG_PDNSDA_MSG("TCP connection to %s failed: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(st->s_errno));
+						goto tcp_failed; /* We may want to try again using UDP */
+					}
+					DEBUG_PDNSDA_MSG("Error while sending data to %s: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(st->s_errno));
+					break;
+				}
+				st->iolen += rv;
+				if(rv<rem)
+					return -1;
+			}
+		}
+		st->state=QS_TCPREAD;
+		st->iolen=0;
+		/* st->event=QEV_READ; */
+		/* fall through */
+	case QS_TCPREAD:
+	        if(st->iolen==0) {
+			uint16_t recvl_net;
+			rv=read(st->sock,&recvl_net,sizeof(recvl_net));
+			if(rv==-1 && errno==EWOULDBLOCK)
+				return -1;
+			if(rv!=sizeof(recvl_net))
+				goto error_receiv_data;
+			st->iolen=rv;
+			st->recvl=ntohs(recvl_net);
+			if(!(st->recvbuf=(dns_hdr_t *)realloc_or_cleanup(st->recvbuf,st->recvl))) {
+				close(st->sock);
+				DEBUG_MSG("Out of memory in query.\n");
+				retval=RC_FATALERR;
+				break;
+			}
+		}
+		{
+			int offset=st->iolen-sizeof(uint16_t);
+			int rem=st->recvl-offset;
+			if(rem>0) {
+				rv=read(st->sock,((unsigned char*)st->recvbuf)+offset,rem);
+				if(rv==-1) {
+					if(errno==EWOULDBLOCK)
+						return -1;
+					goto error_receiv_data;
+				}
+				if(rv==0)
+					goto error_receiv_data; /* unexpected EOF */
+				st->iolen += rv;
+				if(rv<rem)
+					return -1;
+			}
+		}
+		close(st->sock);
+		st->state=QS_DONE;
+		return RC_OK;
+	error_receiv_data:
+		if(rv==-1) st->s_errno=errno;
+		DEBUG_PDNSDA_MSG("Error while receiving data from %s: %s\n", PDNSDA2STR(PDNSD_A(st)),
+				 rv==-1?strerror(errno):(rv==0 && st->iolen==0)?"no data":"incomplete data");
+		close(st->sock);
+	tcp_failed:
+#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
+		if(st->qm==TCP_UDP) {
+			switch_to_udp(st);
+			DEBUG_PDNSDA_MSG("TCP query to %s failed. Trying to use UDP.\n", PDNSDA2STR(PDNSD_A(st)));
+			goto tryagain;
+		}
+#endif
+		break;
+#endif
+
+#ifndef NO_UDP_QUERIES
+		/* UDP query code */
+	case QS_UDPINITIAL:
+		if ((st->sock=socket(PDNSD_PF_INET,SOCK_DGRAM,IPPROTO_UDP))==-1) {
+			DEBUG_MSG("Could not open socket: %s\n", strerror(errno));
+			break;
+		}
+
+		/* maybe bind */
+		if (!bind_socket(st->sock)) {
+			close(st->sock);
+			break;
+		}
+
+		/* connect */
+#ifdef ENABLE_IPV6
+	retry_udp_connect:
+#endif
+		if (connect(st->sock,SOCK_ADDR(st),SIN_LEN)==-1) {
+			if (errno==ECONNREFUSED) st->s_errno=errno;
+#ifdef ENABLE_IPV6
+			/* if IPv6 connectivity is for some reason unavailable, perhaps the
+			   IPv4 fallback address can still be reached. */
+			else if(!run_ipv4 && (errno==ENETUNREACH || errno==ENETDOWN)
+				   && st->a4fallback.s_addr!=INADDR_ANY)
+			{
+#if DEBUG>0
+				char abuf[ADDRSTR_MAXLEN];
+				DEBUG_PDNSDA_MSG("Connecting to %s failed: %s, retrying with IPv4 address %s\n",
+						 PDNSDA2STR(PDNSD_A(st)),strerror(errno),
+						 inet_ntop(AF_INET,&st->a4fallback,abuf,sizeof(abuf)));
+#endif
+				IPV6_MAPIPV4(&st->a4fallback,&st->a.sin6.sin6_addr);
+				st->a4fallback.s_addr=INADDR_ANY;
+				goto retry_udp_connect;
+			}
+#endif
+			DEBUG_PDNSDA_MSG("Error while connecting to %s: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(errno));
+			close(st->sock);
+			break;
+		}
+
+		/* transmit query by udp*/
+		/* send will hopefully not block on a freshly opened socket (the buffer
+		 * must be empty) */
+		if (send(st->sock,&st->msg->hdr,st->transl,0)==-1) {
+			st->s_errno=errno;
+			DEBUG_PDNSDA_MSG("Error while sending data to %s: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(errno));
+			close(st->sock);
+			break;
+		}
+		st->state=QS_UDPRECEIVE;
+		/* st->event=QEV_READ; */
+		return -1;
+	case QS_UDPRECEIVE:
+	{
+		int udpbufsize= (st->edns_query?global.udpbufsize:UDP_BUFSIZE);
+		if(!(st->recvbuf=(dns_hdr_t *)realloc_or_cleanup(st->recvbuf,udpbufsize))) {
+			close(st->sock);
+			DEBUG_MSG("Out of memory in query.\n");
+			retval=RC_FATALERR;
+			break;
+		}
+		if ((rv=recv(st->sock,st->recvbuf,udpbufsize,0))==-1) {
+			st->s_errno=errno;
+			DEBUG_PDNSDA_MSG("Error while receiving data from %s: %s\n", PDNSDA2STR(PDNSD_A(st)),strerror(errno));
+			close(st->sock);
+			break;
+		}
+		st->recvl=rv;
+		if (st->recvl<sizeof(dns_hdr_t) || ntohs(st->recvbuf->id)!=st->myrid) {
+			DEBUG_MSG("Bad answer received. Ignoring it.\n");
+			/* no need to care about timeouts here. That is done at an upper layer. */
+			st->state=QS_UDPRECEIVE;
+			/* st->event=QEV_READ; */
+			return -1;
+		}
+		close(st->sock);
+		st->state=QS_DONE;
+		return RC_OK;
+	}
+#endif
+	}
+
+	/* If we get here, something has gone wrong. */
+	st->state=QS_DONE;
+	return retval; /* should be either RC_SERVFAIL or RC_FATALERR */
+}
+
+static dns_cent_t *lookup_cent_array(dns_cent_array ca, const unsigned char *nm)
+{
+	int i,n=DA_NEL(ca);
+	for(i=0;i<n;++i) {
+		dns_cent_t *ce=&DA_INDEX(ca,i);
+		if(rhnicmp(ce->qname,nm))
+			return ce;
+	}
+	return NULL;
+}
+
+/* Extract the minimum ttl field from the SOA record stored in an rr bucket. */
+static time_t soa_minimum(rr_bucket_t *rrs)
+{
+	uint32_t minimum;
+	unsigned char *p=(unsigned char *)(rrs->data);
+
+	/* Skip owner and maintainer. Lengths are validated in cache. */
+	p=skiprhn(skiprhn(p));
+	/* Skip serial, refresh, retry, expire fields. */
+	p += 4*sizeof(uint32_t);
+	GETINT32(minimum,p);
+	return minimum;
+}
+
+/*
+ * The function that will actually execute a query. It takes a state structure in st.
+ * st->state must be set to QS_INITIAL before calling.
+ * This may return one of the RC_* codes, where RC_OK indicates success, the other
+ * RC codes indicate the appropriate errors. -1 is the return value that indicates that
+ * you should call p_exec_query again with the same state for the result until you get
+ * a return value >0. Alternatively, call p_cancel_query to cancel it.
+ * Timeouts are already handled by this function.
+ * Any records that the query has yielded and that are not a direct answer to the query
+ * (i.e. are records for other domains) are added to the cache, while the direct answers
+ * are returned in ent.
+ * All ns records, to whomever they might belong, are additionally returned in the ns list.
+ * Free it when done.
+ * This function calls another query state machine function that supports TCP and UDP.
+ *
+ * If you want to tell me that this function has a truly ugly coding style, ah, well...
+ * You are right, somehow, but I feel it is conceptually elegant ;-)
+ */
+static int p_exec_query(dns_cent_t **entp, const unsigned char *name, int thint,
+			query_stat_t *st, dlist *ns, unsigned char *c_soa)
+{
+	int rv,rcode;
+	unsigned short rd;
+
+	switch (st->state){
+	case QS_INITIAL: {
+		size_t transl,allocsz;
+		unsigned int rrnlen=0;
+
+		allocsz= sizeof(dns_msg_t);
+		if(name) {
+			rrnlen=rhnlen(name);
+			allocsz += rrnlen+4;
+			if(st->edns_query)
+				allocsz += sizeof_opt_pseudo_rr;
+		}
+		st->msg=(dns_msg_t *)pdnsd_malloc(allocsz);
+		if (!st->msg) {
+			st->state=QS_DONE;
+ 			return RC_FATALERR; /* unrecoverable error */
+		}
+		st->myrid=get_rand16();
+		st->msg->hdr.id=htons(st->myrid);
+		st->msg->hdr.qr=QR_QUERY;
+		st->msg->hdr.opcode=OP_QUERY;
+		st->msg->hdr.aa=0;
+		st->msg->hdr.tc=0;
+		st->msg->hdr.rd=(name && st->trusted);
+		st->msg->hdr.ra=0;
+		st->msg->hdr.z=0;
+		st->msg->hdr.ad=0;
+		st->msg->hdr.cd=0;
+		st->msg->hdr.rcode=RC_OK;
+		st->msg->hdr.qdcount=htons(name!=NULL);
+		st->msg->hdr.ancount=0;
+		st->msg->hdr.nscount=0;
+		st->msg->hdr.arcount=0;
+
+		transl= sizeof(dns_hdr_t);
+		if(name) {
+			unsigned char *p = mempcpy((unsigned char *)(&st->msg->hdr+1),name,rrnlen);
+			unsigned short qtype=(st->lean_query?thint:QT_ALL);
+			PUTINT16(qtype,p);
+			PUTINT16(C_IN,p);
+			transl += rrnlen+4;
+			if(st->edns_query)
+				add_opt_pseudo_rr(&st->msg,&transl,&allocsz,
+						  global.udpbufsize,RC_OK,0,0);
+		}
+		st->transl=transl;
+#ifndef NO_TCP_QUERIES
+		st->msg->len=htons(st->transl);
+#endif
+		st->recvbuf=NULL;
+		st->state=(USE_UDP(st)?QS_UDPINITIAL:QS_TCPINITIAL);
+		/* fall through */
+	}
+	QS_QUERY_CASES:
+	tryagain:
+		rv=p_query_sm(st);
+		if (rv==-1) {
+			return -1;
+		}
+		if (rv!=RC_OK) {
+			pdnsd_free(st->msg);
+			pdnsd_free(st->recvbuf);
+			st->state=QS_DONE;
+			if(st->needs_testing) {
+				switch(st->s_errno) {
+				case ENETUNREACH:  /* network unreachable */
+				case EHOSTUNREACH: /* host unreachable */
+				case ENOPROTOOPT:  /* protocol unreachable */
+				case ECONNREFUSED: /* port unreachable */
+				case ENETDOWN:     /* network down */
+				case EHOSTDOWN:    /* host down */
+#ifdef ENONET
+				case ENONET:       /* machine not on the network */
+#endif
+					/* Mark this server as down for a period of time */
+					sched_server_test(PDNSD_A(st),1,0);
+					st->needs_testing=0;
+				}
+			}
+			return rv;
+		}
+		/* rv==RC_OK */
+		DEBUG_PDNSDA_MSG("Received reply from %s (msg len=%u).\n", PDNSDA2STR(PDNSD_A(st)), st->recvl);
+		DEBUG_DUMP_DNS_MSG(st->recvbuf, st->recvl);
+
+		/* Basic sanity checks */
+		if (st->recvl<sizeof(dns_hdr_t)) {
+			DEBUG_MSG("Message too short!\n");
+			goto discard_reply;
+		}
+		{
+			uint16_t recvid=ntohs(st->recvbuf->id);
+			if (recvid!=st->myrid) {
+				DEBUG_MSG("ID mismatch: expected %04x, got %04x!\n", st->myrid, recvid);
+				goto discard_reply;
+			}
+		}
+		if (st->recvbuf->qr!=QR_RESP) {
+			DEBUG_MSG("The QR bit indicates this is a query, not a response!\n");
+			goto discard_reply;
+		}
+		if (st->recvbuf->opcode!=OP_QUERY) {
+			DEBUG_MSG("Not a reply to a standard query (opcode=%u).\n",st->recvbuf->opcode);
+			goto discard_reply;
+		}
+
+		rcode=st->recvbuf->rcode;
+#if DEBUG>0
+		{
+			char flgsbuf[DNSFLAGSMAXSTRSIZE];
+			DEBUG_MSG("rcode=%u (%s), flags:%s\n", rcode, get_ename(rcode), dnsflags2str(st->recvbuf, flgsbuf));
+		}
+#endif
+		if (st->recvbuf->z!=0) {
+			DEBUG_MSG("Malformed response (nonzero Z bit).\n");
+			goto discard_reply;
+		}
+
+		if(st->needs_testing) {
+			/* We got an answer from this server, so don't bother with up tests for a while. */
+			sched_server_test(PDNSD_A(st),1,1);
+			st->needs_testing=0;
+		}
+
+		rv=rcode;
+		if(rcode==RC_OK || rcode==RC_NAMEERR) {
+			/* success or at least no requery is needed */
+			st->state=QS_DONE;
+			break;
+		}
+		else if (entp) {
+			if(rcode==RC_SERVFAIL || rcode==RC_NOTSUPP || rcode==RC_REFUSED) {
+				if (st->msg->hdr.rd && !st->recvbuf->ra) {
+					/* seems as if we have got no recursion available.
+					   We will have to do it by ourselves (sigh...) */
+					DEBUG_PDNSDA_MSG("Server %s returned error code: %s."
+							 " Maybe does not support recursive query?"
+							 " Querying non-recursively.\n",
+							 PDNSDA2STR(PDNSD_A(st)),get_ename(rcode));
+					st->msg->hdr.rd=0;
+					goto resetstate_tryagain;
+				}
+				else if(rcode!=RC_SERVFAIL && st->edns_query && st->msg->hdr.arcount)
+					goto try_withoutedns;
+				else if (st->recvbuf->ancount && st->auth_serv==2) {
+					/* The name server returned a failure code,
+					   but the answer section is not empty,
+					   and the answer is from a server lower down the call chain.
+					   Use this answer tentatively (it may be the
+					   best we can get), but remember the failure. */
+					DEBUG_PDNSDA_MSG("Server %s returned error code: %s,"
+							 " but the answer section is not empty."
+							 " Using the answer tentatively.\n",
+							 PDNSDA2STR(PDNSD_A(st)),get_ename(rcode));
+					st->failed=3;
+					st->state=QS_DONE;
+					break;
+				}
+			}
+			else if(rcode==RC_FORMAT && st->edns_query && st->msg->hdr.arcount)
+			try_withoutedns: {
+				size_t transl;
+				/* Perhaps the remote server barfs when the query
+				   contains an OPT RR in the additional section.
+				   Try again with an empty addtional section. */
+				DEBUG_PDNSDA_MSG("Server %s returned error code: %s."
+						 " Maybe cannot handle EDNS?"
+						 " Querying with empty additional section.\n",
+						 PDNSDA2STR(PDNSD_A(st)),get_ename(rcode));
+				transl=remove_opt_pseudo_rr(st->msg,st->transl);
+				if(transl!=0 && st->msg->hdr.arcount==0) {
+					st->transl=transl;
+#ifndef NO_TCP_QUERIES
+					st->msg->len=htons(st->transl);
+#endif
+					st->edns_query=0;
+				resetstate_tryagain:
+					st->myrid=get_rand16();
+					st->msg->hdr.id=htons(st->myrid);
+					st->state=(USE_UDP(st)?QS_UDPINITIAL:QS_TCPINITIAL);
+					goto tryagain;
+				}
+				else {
+					DEBUG_PDNSDA_MSG("Internal error: could not remove additional section from query"
+							 " to server %s\n", PDNSDA2STR(PDNSD_A(st)));
+				}
+			}
+		}
+
+	discard_reply:
+		/* report failure */
+		pdnsd_free(st->msg);
+		pdnsd_free(st->recvbuf);
+		/*close(st->sock);*/
+		st->state=QS_DONE;
+#if DEBUG>0
+		if(entp) {
+			DEBUG_PDNSDA_MSG("Discarding reply from server %s\n", PDNSDA2STR(PDNSD_A(st)));
+		}
+#endif
+		if (rv!=RC_OK)
+			return rv;
+
+		return RC_SERVFAIL; /* mock error code */
+
+	default: /* we shouldn't get here */
+		st->state=QS_DONE;
+		return RC_SERVFAIL; /* mock error code */
+	}
+
+        /* If we reach this code, we have successfully received an answer,
+	 * because we have returned error codes on errors or -1 on AGAIN conditions.
+	 * So we *should* have a usable dns record in recvbuf by now.
+	 */
+	rd= st->msg->hdr.rd; /* Save the 'Recursion Desired' bit of the query. */
+	pdnsd_free(st->msg);
+	if(entp) {
+		time_t queryts=time(NULL);
+		size_t lcnt= ((size_t)st->recvl) - sizeof(dns_hdr_t);
+		unsigned char *rrp=(unsigned char *)(st->recvbuf+1);
+		dns_cent_array secs[3]={NULL,NULL,NULL};
+#		define ans_sec  secs[0]
+#		define auth_sec secs[1]
+#		define add_sec  secs[2]
+		unsigned short qtype,flags,aa,neg_ans=0,reject_ans=0,num_ns=0;
+		int numoptrr;
+		edns_info_t ednsinfo= {0};
+
+		if (ntohs(st->recvbuf->qdcount)!=1) {
+			DEBUG_PDNSDA_MSG("Bad number of query records in answer from %s\n",
+					 PDNSDA2STR(PDNSD_A(st)));
+			rv=RC_SERVFAIL;
+			goto free_recvbuf_return;
+		}
+		/* check & skip the query record. */
+		{
+			unsigned char nbuf[DNSNAMEBUFSIZE];
+			if ((rv=decompress_name((unsigned char *)st->recvbuf, st->recvl, &rrp, &lcnt, nbuf, NULL))!=RC_OK) {
+				DEBUG_PDNSDA_MSG("Cannot decompress QNAME in answer from %s\n",
+						 PDNSDA2STR(PDNSD_A(st)));
+				rv=RC_SERVFAIL;
+				goto free_recvbuf_return;
+			}
+			if(!rhnicmp(nbuf,name)) {
+				DEBUG_PDNSDA_MSG("Answer from %s does not match query.\n",
+						 PDNSDA2STR(PDNSD_A(st)));
+				rv=RC_SERVFAIL;
+				goto free_recvbuf_return;
+			}
+		}
+
+		qtype=(st->lean_query?thint:QT_ALL);
+		if (lcnt<4) {
+			DEBUG_PDNSDA_MSG("Format error in reply from %s (message truncated in qtype or qclass).\n",
+					 PDNSDA2STR(PDNSD_A(st)));
+			rv=RC_SERVFAIL; /* mock error code */
+			goto free_recvbuf_return;
+		}
+		{
+			unsigned short qt,qc;
+			GETINT16(qt,rrp);
+			GETINT16(qc,rrp);
+			if(qt!=qtype) {
+				DEBUG_PDNSDA_MSG("qtype in answer (%u) from %s does not match expected qtype (%u).\n",
+						 qt,PDNSDA2STR(PDNSD_A(st)),qtype);
+				rv=RC_SERVFAIL;
+				goto free_recvbuf_return;
+			}
+		}
+		lcnt-=4;
+
+		st->aa= (st->recvbuf->aa && !st->failed);
+		st->tc= st->recvbuf->tc;
+		st->ra= (rd && st->recvbuf->ra);
+
+		/* Don't flag cache entries from a truncated reply as authoritative. */
+		aa= (st->aa && !st->tc);
+		flags=st->flags;
+		if (aa) flags|=CF_AUTH;
+
+
+		/* Initialize a dns_cent_t in the array for the answer section */
+		if (!(ans_sec=DA_GROW1(ans_sec))) {
+			rv=RC_FATALERR; /* unrecoverable error */
+			goto free_recvbuf_return;
+		}
+		/* By marking DF_AUTH, we mean authoritative AND complete. */
+		if (!init_cent(&DA_INDEX(ans_sec,0), name, 0, 0, (aa && qtype==QT_ALL)?DF_AUTH:0  DBG1)) {
+			rv=RC_FATALERR; /* unrecoverable error */
+			goto free_centarrays_recvbuf_return;
+		}
+
+		/* Now read the answer, authority and additional sections,
+		   storing the results in the arrays ans_sec,auth_sec and add_sec.
+		*/
+		numoptrr=0;
+		rv=rrs2cent((unsigned char *)st->recvbuf, st->recvl, &rrp, &lcnt, ntohs(st->recvbuf->ancount),
+			    flags, queryts, &ans_sec, &numoptrr, &ednsinfo);
+#if DEBUG>0
+		if(numoptrr!=0) {
+			DEBUG_MSG("Answer section in reply contains %d OPT pseudo-RRs!\n", numoptrr);
+		}
+#endif
+		numoptrr=0;
+		if(rv==RC_OK) {
+			uint16_t nscount=ntohs(st->recvbuf->nscount);
+			if (nscount) {
+				rv=rrs2cent((unsigned char *)st->recvbuf, st->recvl, &rrp, &lcnt, nscount,
+					    flags|CF_ADDITIONAL, queryts, &auth_sec, &numoptrr, &ednsinfo);
+#if DEBUG>0
+				if(numoptrr!=0) {
+					DEBUG_MSG("Authority section in reply contains %d OPT pseudo-RRs!\n", numoptrr);
+				}
+#endif
+			}
+		}
+
+		numoptrr=0;
+		if(rv==RC_OK) {
+			uint16_t arcount=ntohs(st->recvbuf->arcount);
+			if (arcount) {
+				rv=rrs2cent((unsigned char *)st->recvbuf, st->recvl, &rrp, &lcnt, arcount,
+					    flags|CF_ADDITIONAL, queryts, &add_sec, &numoptrr, &ednsinfo);
+				if(numoptrr!=0) {
+#if DEBUG>0
+					if(numoptrr!=1) {
+						DEBUG_MSG("Additional section in reply contains %d OPT pseudo-RRs!\n", numoptrr);
+					}
+					DEBUG_PDNSDA_MSG("Reply from %s contains OPT pseudosection: EDNS version = %u, udp size = %u, flag DO=%u\n",
+							 PDNSDA2STR(PDNSD_A(st)), ednsinfo.version, ednsinfo.udpsize, ednsinfo.do_flg);
+#endif
+					if(rcode!=ednsinfo.rcode) {
+						DEBUG_PDNSDA_MSG("Reply from %s contains unexpected EDNS rcode %u (%s)!\n",
+								 PDNSDA2STR(PDNSD_A(st)), ednsinfo.rcode, get_ename(ednsinfo.rcode));
+						rcode=ednsinfo.rcode;
+						/* Mark as failed, but use answer tentatively. */
+						if(!st->failed) st->failed=1;
+					}
+				}
+			}
+		}
+
+		if(!(rv==RC_OK || (rv==RC_TRUNC && st->recvbuf->tc))) {
+			DEBUG_PDNSDA_MSG(rv==RC_FORMAT?"Format error in reply from %s.\n":
+					 rv==RC_TRUNC?"Format error in reply from %s (message unexpectedly truncated).\n":
+					 rv==RC_SERVFAIL?"Inconsistent timestamps in reply from %s.\n":
+					 "Out of memory while processing reply from %s.\n",
+					 PDNSDA2STR(PDNSD_A(st)));
+			if(rv==RC_SERVFAIL) {
+				/* Inconsistent ttl timestamps and we are
+				   enforcing strict RFC 2181 compliance.
+				   Mark as failed, but use answer tentatively. */
+				if(!st->failed) st->failed=1;
+			}
+			else {
+				if(rv!=RC_FATALERR) rv=RC_SERVFAIL;
+				goto free_ent_centarrays_recvbuf_return;
+			}
+		}
+
+		{
+			/* Remember references to NS and SOA records in the answer or authority section
+			   so that we can add this information to our own reply. */
+			int i,n=DA_NEL(ans_sec);
+			for(i=0;i<n;++i) {
+				dns_cent_t *cent=&DA_INDEX(ans_sec,i);
+				unsigned scnt=rhnsegcnt(cent->qname);
+
+				if(getrrset_NS(cent))
+					cent->c_ns=scnt;
+				if(getrrset_SOA(cent))
+					cent->c_soa=scnt;
+
+				if((qtype>=QT_MIN && qtype<=QT_MAX) ||
+				   (/* (qtype>=T_MIN && qtype<=T_MAX) && */ getrrset(cent,qtype)) ||
+				   (n==1 && cent->num_rrs==0))
+				{
+					/* Match this name with names in the authority section */
+					int j,m=DA_NEL(auth_sec);
+					for(j=0;j<m;++j) {
+						dns_cent_t *ce=&DA_INDEX(auth_sec,j);
+						unsigned int ml,rem;
+						ml=domain_match(ce->qname,cent->qname, &rem, NULL);
+						if(rem==0 &&
+						   /* Don't accept records for the root domain from name servers
+						      that were not listed in the configuration file. */
+						   (ml || st->auth_serv!=2)) {
+							if(getrrset_NS(ce)) {
+								if(cent->c_ns==cundef || cent->c_ns<ml)
+									cent->c_ns=ml;
+							}
+							if(getrrset_SOA(ce)) {
+								if(cent->c_soa==cundef || cent->c_soa<ml)
+									cent->c_soa=ml;
+							}
+						}
+					}
+				}
+			}
+		}
+
+		/* Check whether the answer contains an IP address that should be rejected. */
+		if(have_rejectlist(st)) {
+			int i;
+			int na4=nreject_a4(st);
+			addr4maskpair_t *a4arr=rejectlist_a4(st);
+#if ALLOW_LOCAL_AAAA
+			int na6=nreject_a6(st);
+			addr6maskpair_t *a6arr=rejectlist_a6(st);
+#endif
+			/* Check addresses in the answer, authority and additional sections. */
+			for(i=0;i<3;++i) {
+				dns_cent_array sec=secs[i];
+				int j,nce=DA_NEL(sec);
+				for(j=0;j<nce;++j) {
+					dns_cent_t *cent=&DA_INDEX(sec,j);
+					rr_set_t *rrset=getrrset_A(cent);
+					if(rrset && na4) {
+						/* This is far from the world's most efficient matching algorithm,
+						   but it should work OK as long as the numbers involved are small.
+						*/
+						rr_bucket_t *rr;
+						for(rr=rrset->rrs; rr; rr=rr->next) {
+							struct in_addr *a=(struct in_addr *)(rr->data);
+							int k;
+							for(k=0;k<na4;++k) {
+								addr4maskpair_t *am = &a4arr[k];
+								if(ADDR4MASK_EQUIV(a,&am->a,&am->mask)) {
+#if DEBUG>0
+									unsigned char nmbuf[DNSNAMEBUFSIZE]; char abuf[ADDRSTR_MAXLEN];
+									DEBUG_PDNSDA_MSG("Rejecting answer from server %s because it contains an A record"
+											 " for \"%s\" with an address in the reject list: %s\n",
+											 PDNSDA2STR(PDNSD_A(st)),
+											 rhn2str(cent->qname,nmbuf,sizeof(nmbuf)),
+											 inet_ntop(AF_INET,a,abuf,sizeof(abuf)));
+#endif
+									reject_ans=1; goto rejectlist_scan_done;
+								}
+							}
+						}
+					}
+#if ALLOW_LOCAL_AAAA
+					rrset=getrrset_AAAA(cent);
+					if(rrset && na6) {
+						rr_bucket_t *rr;
+						for(rr=rrset->rrs; rr; rr=rr->next) {
+							struct in6_addr *a=(struct in6_addr *)(rr->data);
+							int k;
+							for(k=0;k<na6;++k) {
+								addr6maskpair_t *am = &a6arr[k];
+								if(ADDR6MASK_EQUIV(a,&am->a,&am->mask)) {
+#if DEBUG>0
+									unsigned char nmbuf[DNSNAMEBUFSIZE]; char abuf[INET6_ADDRSTRLEN];
+									DEBUG_PDNSDA_MSG("Rejecting answer from server %s because it contains an AAAA record"
+											 " for \"%s\" with an address in the reject list: %s\n",
+											 PDNSDA2STR(PDNSD_A(st)),
+											 rhn2str(cent->qname,nmbuf,sizeof(nmbuf)),
+											 inet_ntop(AF_INET6,a,abuf,sizeof(abuf)));
+#endif
+									reject_ans=1; goto rejectlist_scan_done;
+								}
+							}
+						}
+					}
+#endif
+				}
+			}
+		rejectlist_scan_done:;
+		}
+
+		/* negative caching for domains */
+		if (rcode==RC_NAMEERR) {
+			DEBUG_PDNSDA_MSG("Server %s returned error code: %s\n", PDNSDA2STR(PDNSD_A(st)),get_ename(rcode));
+		name_error:
+			neg_ans=1;
+			{
+				/* We did not get what we wanted. Cache according to policy */
+				dns_cent_t *ent=&DA_INDEX(ans_sec,0);
+				int neg_domain_pol=global.neg_domain_pol;
+				if (neg_domain_pol==C_ON || (neg_domain_pol==C_AUTH && st->aa)) {
+					time_t ttl=global.neg_ttl;
+
+					/* Try to find a SOA record that came with the reply.
+					 */
+					if(ent->c_soa!=cundef) {
+						unsigned scnt=rhnsegcnt(name);
+						dns_cent_t *cent;
+						if(ent->c_soa<scnt && (cent=lookup_cent_array(auth_sec,skipsegs(name,scnt-ent->c_soa)))) {
+							rr_set_t *rrset=getrrset_SOA(cent);
+							if (rrset && rrset->rrs) {
+								time_t min=soa_minimum(rrset->rrs);
+								ttl=rrset->ttl;
+								if(ttl>min)
+									ttl=min;
+							}
+						}
+					}
+					DEBUG_RHN_MSG("Caching domain %s negative with ttl %li\n",RHN2STR(name),(long)ttl);
+					negate_cent(ent,ttl,queryts);
+					if(st->nocache) ent->flags |= DF_NOCACHE;
+					goto cleanup_return_OK;
+				} else {
+					if(c_soa) *c_soa=ent->c_soa;
+					free_cent(ent  DBG1);
+					rv=RC_NAMEERR;
+					goto add_additional;
+				}
+			}
+		}
+
+		if(reject_ans) {
+			if(reject_policy(st)==C_NEGATE && st->failed<=1)
+				goto name_error;
+			else {
+				rv=RC_SERVFAIL;
+				goto free_ent_centarrays_recvbuf_return;
+			}
+		}
+
+		if(global.deleg_only_zones && st->auth_serv<3) { /* st->auth_serv==3 means this server is a root-server. */
+			int missingdelegation,authcnt;
+			/* The deleg_only_zones data may change due to runtime reconfiguration,
+			   therefore use locks. */
+			lock_server_data();
+			missingdelegation=0; authcnt=0;
+			{
+				int i,n=DA_NEL(global.deleg_only_zones); unsigned rem,zrem;
+				for(i=0;i<n;++i) {
+					if(domain_match(name,DA_INDEX(global.deleg_only_zones,i),&rem,&zrem) && zrem==0)
+						goto zone_match;
+				}
+				goto delegation_OK;
+			zone_match:
+				/* The name queried matches a delegation-only zone. */
+				if(rem) {
+					/* Check if we can find delegation in the answer or authority section. */
+					/* dns_cent_array secs[2]={ans_sec,auth_sec}; */
+					int j;
+					for(j=0;j<2;++j) {
+						dns_cent_array sec=secs[j];
+						int k,m=DA_NEL(sec);
+						for(k=0;k<m;++k) {
+							dns_cent_t *ce=&DA_INDEX(sec,k);
+							if(getrrset_NS(ce) || getrrset_SOA(ce)) {
+								/* Found a NS or SOA record in the answer or authority section. */
+								int l;
+								++authcnt;
+								for(l=0;l<n;++l) {
+									if(domain_match(ce->qname,DA_INDEX(global.deleg_only_zones,l),&rem,&zrem) && zrem==0) {
+										if(rem) break;
+										else    goto try_next_auth;
+									}
+								}
+								goto delegation_OK;
+							}
+						try_next_auth:;
+						}
+					}
+#if DEBUG>0
+					{
+						unsigned char nmbuf[DNSNAMEBUFSIZE],zbuf[DNSNAMEBUFSIZE];
+						DEBUG_PDNSDA_MSG(authcnt?"%s is in %s zone, but no delegation found in answer returned by server %s\n"
+								 :"%s is in %s zone, but no authority information provided by server %s\n",
+								 rhn2str(name,nmbuf,sizeof(nmbuf)), rhn2str(DA_INDEX(global.deleg_only_zones,i),zbuf,sizeof(zbuf)),
+								 PDNSDA2STR(PDNSD_A(st)));
+					}
+#endif
+					missingdelegation=1;
+				}
+			delegation_OK:;
+			}
+			unlock_server_data();
+
+			if(missingdelegation) {
+				if(authcnt && st->failed<=1) {
+					/* Treat this as a nonexistant name. */
+					goto name_error;
+				}
+				else if(st->auth_serv<2) {
+					/* If this is one of the servers obtained from the list
+					   pdnsd was configured with, treat this as a failure.
+					   Hopefully one of the other servers in the list will
+					   return a non-empty authority section.
+					*/
+					rv=RC_SERVFAIL;
+					goto free_ent_centarrays_recvbuf_return;
+				}
+			}
+		}
+
+		{
+			/* Negative caching of rr sets */
+			dns_cent_t *ent=&DA_INDEX(ans_sec,0);
+
+			if(!ent->num_rrs) neg_ans=1;
+
+			if (thint>=T_MIN && thint<=T_MAX && !getrrset(ent,thint) && !st->tc && st->failed<=1) {
+				/* We did not get what we wanted. Cache according to policy */
+				int neg_rrs_pol=global.neg_rrs_pol;
+				if (neg_rrs_pol==C_ON || (neg_rrs_pol==C_AUTH && aa) ||
+				    (neg_rrs_pol==C_DEFAULT && (aa || st->ra)))
+				{
+					time_t ttl=global.neg_ttl;
+					rr_set_t *rrset=getrrset_SOA(ent);
+					dns_cent_t *cent;
+					unsigned scnt;
+					/* If we received a SOA, we should take the ttl of that record. */
+					if ((rrset && rrset->rrs) ||
+					    /* Try to find a SOA record higher up the hierarchy that came with the reply. */
+					    ((cent=lookup_cent_array(auth_sec,
+								     (ent->c_soa!=cundef && ent->c_soa<(scnt=rhnsegcnt(name)))?
+								     skipsegs(name,scnt-ent->c_soa):
+								     name)) &&
+					     (rrset=getrrset_SOA(cent)) && rrset->rrs))
+					{
+						time_t min=soa_minimum(rrset->rrs);
+						ttl=rrset->ttl;
+						if(ttl>min)
+							ttl=min;
+					}
+					DEBUG_RHN_MSG("Caching type %s for domain %s negative with ttl %li\n",getrrtpname(thint),RHN2STR(name),(long)ttl);
+					if (!add_cent_rrset_by_type(ent, thint, ttl, queryts, CF_NEGATIVE|flags  DBG1)) {
+						rv=RC_FATALERR;
+						goto free_ent_centarrays_recvbuf_return;
+					}
+				}
+			}
+		}
+
+		if (st->failed<=1) {
+			/* The domain names of all name servers found in the answer and authority sections are placed in *ns,
+			   which is automatically grown. */
+			/* dns_cent_array secs[2]={ans_sec,auth_sec}; */
+			int i;
+			for(i=0;i<2;++i) {
+				dns_cent_array sec=secs[i];
+				int j,n=DA_NEL(sec);
+				for(j=0;j<n;++j) {
+					dns_cent_t *cent=&DA_INDEX(sec,j);
+					unsigned int rem;
+					/* Don't accept records for the root domain from name servers
+					   that were not listed in the configuration file. */
+					if((*(cent->qname) || st->auth_serv!=2) &&
+					   /* Don't accept possibly poisoning nameserver entries in paranoid mode */
+					   (st->trusted || !st->nsdomain || (domain_match(st->nsdomain, cent->qname, &rem,NULL),rem==0)) &&
+					   /* The following test is actually redundant and should never fail. */
+					   *(cent->qname)!=0xff)
+					{
+						/* Some nameservers obviously choose to send SOA records instead of NS ones.
+						 * Although I think that this is poor behaviour, we'll have to work around that. */
+						static const unsigned short nstypes[2]={T_NS,T_SOA};
+						int k;
+						for(k=0;k<2;++k) {
+							rr_set_t *rrset=getrrset(cent,nstypes[k]);
+							if(rrset) {
+								rr_bucket_t *rr;
+								unsigned short first=1;
+								for(rr=rrset->rrs; rr; rr=rr->next) {
+									size_t sz1,sz2;
+									unsigned char *p;
+									/* Skip duplicate records */
+									for(p=dlist_first(*ns); p; p=dlist_next(p)) {
+										if(rhnicmp(*p==0xff?p+1:skiprhn(p),(unsigned char *)(rr->data)))
+											goto next_nsr;
+									}
+									/* add to the nameserver list.
+									   Here we use a little compression trick: if
+									   the first byte of a name is 0xff, this means
+									   repeat the previous name.
+									 */
+									sz1= (first?rhnlen(cent->qname):1);
+									sz2=rhnlen((unsigned char *)(rr->data));
+									if (!(*ns=dlist_grow(*ns,sz1+sz2))) {
+										rv=RC_FATALERR;
+										goto free_ent_centarrays_recvbuf_return;
+									}
+									p=dlist_last(*ns);
+									if(first) {
+										first=0;
+										p=mempcpy(p,cent->qname,sz1);
+									}
+									else
+										*p++ = 0xff;  /* 0xff means 'idem' */
+									/* This will only copy the first name, which is the NS */
+									memcpy(p,(unsigned char *)(rr->data),sz2);
+									++num_ns;
+								next_nsr:;
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	cleanup_return_OK:
+		if(st->failed && neg_ans && num_ns==0) {
+			DEBUG_PDNSDA_MSG("Answer from server %s does not contain usable records.\n",
+					 PDNSDA2STR(PDNSD_A(st)));
+			rv=RC_SERVFAIL;
+			goto free_ns_ent_centarrays_recvbuf_return;
+		}
+		if(!(*entp=malloc(sizeof(dns_cent_t)))) {
+			rv=RC_FATALERR;
+			goto free_ns_ent_centarrays_recvbuf_return;
+		}
+		**entp=DA_INDEX(ans_sec,0);
+		rv=RC_OK;
+	add_additional:
+		if (!st->failed && !reject_ans) {
+			/* Add the additional RRs to the cache. */
+			/* dns_cent_array secs[3]={ans_sec,auth_sec,add_sec}; */
+			int i;
+#if DEBUG>0
+			if(debug_p && neg_ans) {
+				int j,n=DA_NEL(ans_sec);
+				for(j=1; j<n; ++j) {
+					unsigned char nmbuf[DNSNAMEBUFSIZE],nmbuf2[DNSNAMEBUFSIZE];
+					DEBUG_PDNSDA_MSG("Reply from %s is negative for %s, dropping record(s) for %s in answer section.\n",
+							 PDNSDA2STR(PDNSD_A(st)),
+							 rhn2str(name,nmbuf,sizeof(nmbuf)),
+							 rhn2str(DA_INDEX(ans_sec,j).qname,nmbuf2,sizeof(nmbuf2)));
+				}
+			}
+#endif
+			for(i=neg_ans; i<3; ++i) {
+				dns_cent_array sec=secs[i];
+				int j,n=DA_NEL(sec);
+				/* The first entry in the answer section is treated separately, so skip that one. */
+				for(j= !i; j<n; ++j) {
+					dns_cent_t *cent=&DA_INDEX(sec,j);
+					if(*(cent->qname) || st->auth_serv!=2) {
+						unsigned int rem;
+						if(st->trusted || !st->nsdomain || (domain_match(st->nsdomain, cent->qname, &rem, NULL),rem==0))
+							add_cache(cent);
+						else {
+#if DEBUG>0
+							unsigned char nmbuf[DNSNAMEBUFSIZE],nsbuf[DNSNAMEBUFSIZE];
+							DEBUG_MSG("Record for %s not in nsdomain %s; dropped.\n",
+								  rhn2str(cent->qname,nmbuf,sizeof(nmbuf)),rhn2str(st->nsdomain,nsbuf,sizeof(nsbuf)));
+#endif
+						}
+					}
+					else {
+#if DEBUG>0
+						static const char *const secname[3]={"answer","authority","additional"};
+						DEBUG_PDNSDA_MSG("Record(s) for root domain in %s section from %s dropped.\n", secname[i],PDNSDA2STR(PDNSD_A(st)));
+#endif
+					}
+				}
+			}
+		}
+		goto free_centarrays_recvbuf_return;
+
+	free_ns_ent_centarrays_recvbuf_return:
+		dlist_free(*ns); *ns=NULL;
+	free_ent_centarrays_recvbuf_return:
+		if(DA_NEL(ans_sec)>=1) free_cent(&DA_INDEX(ans_sec,0)  DBG1);
+	free_centarrays_recvbuf_return:
+		{
+			/* dns_cent_array secs[3]={ans_sec,auth_sec,add_sec}; */
+			int i;
+			for(i=0;i<3;++i) {
+				dns_cent_array sec=secs[i];
+				int j,n=DA_NEL(sec);
+				/* The first entry in the answer section is treated separately, so skip that one. */
+				for(j= !i; j<n; ++j)
+					free_cent(&DA_INDEX(sec,j)  DBG1);
+
+				da_free(sec);
+			}
+		}
+#undef          ans_sec
+#undef          auth_sec
+#undef          add_sec
+	}
+ free_recvbuf_return:
+	pdnsd_free(st->recvbuf);
+	return rv;
+}
+
+/*
+ * Cancel a query, freeing all resources. Any query state is valid as input (this may even be called
+ * if a call to p_exec_query already returned error or success)
+ */
+static void p_cancel_query(query_stat_t *st)
+{
+	switch (st->state) {
+	QS_WRITE_CASES:
+	QS_READ_CASES:
+		close(st->sock);
+		/* fall through */
+	case QS_TCPINITIAL:
+	case QS_UDPINITIAL:
+		pdnsd_free(st->recvbuf);
+		pdnsd_free(st->msg);
+	}
+	if(st->state!=QS_INITIAL && st->state!=QS_DONE)
+		st->state=QS_CANCELED;
+}
+
+#if 0
+/*
+ * Initialize a query_serv_t (server list for parallel query)
+ * This is there for historical reasons only.
+ */
+inline static void init_qserv(query_stat_array *q)
+{
+	*q=NULL;
+}
+#endif
+
+/*
+ * Add a server entry to a query_serv_t
+ * Note: only a reference to nsdomain is copied, not the name itself.
+ * Be sure to free the q-list before freeing the name.
+ */
+static int add_qserv(query_stat_array *q, pdnsd_a2 *a, int port, time_t timeout, unsigned flags,
+		     char nocache, char lean_query, char edns_query, char auth_s, char needs_testing, char trusted,
+		     const unsigned char *nsdomain, rejectlist_t *rejectlist)
+{
+	query_stat_t *qs;
+
+	if ((*q=DA_GROW1(*q))==NULL) {
+		DEBUG_MSG("Out of memory in add_qserv()\n");
+		return 0;
+	}
+
+	qs=&DA_LAST(*q);
+#ifdef ENABLE_IPV4
+	if (run_ipv4) {
+		memset(&qs->a.sin4,0,sizeof(qs->a.sin4));
+		qs->a.sin4.sin_family=AF_INET;
+		qs->a.sin4.sin_port=htons(port);
+		qs->a.sin4.sin_addr=a->ipv4;
+		SET_SOCKA_LEN4(qs->a.sin4);
+	}
+#endif
+#ifdef ENABLE_IPV6
+	ELSE_IPV6 {
+		memset(&qs->a.sin6,0,sizeof(qs->a.sin6));
+		qs->a.sin6.sin6_family=AF_INET6;
+		qs->a.sin6.sin6_port=htons(port);
+		qs->a.sin6.sin6_flowinfo=IPV6_FLOWINFO;
+		qs->a.sin6.sin6_addr=a->ipv6;
+		SET_SOCKA_LEN6(qs->a.sin6);
+
+		qs->a4fallback=a->ipv4;
+	}
+#endif
+	qs->timeout=timeout;
+	qs->flags=flags;
+	qs->nocache=nocache;
+	qs->auth_serv=auth_s;
+	qs->lean_query=lean_query;
+	qs->edns_query=edns_query;
+	qs->needs_testing=needs_testing;
+	qs->trusted=trusted;
+	qs->aa=0;
+	qs->tc=0;
+	qs->ra=0;
+	qs->failed=0;
+	qs->nsdomain=nsdomain; /* Note: only a reference is copied, not the name itself! */
+	qs->rejectlist=rejectlist;
+
+	qs->state=QS_INITIAL;
+	qs->qm=global.query_method;
+	qs->s_errno=0;
+	return 1;
+}
+
+/* Test whether two pdnsd_a2 addresses are the same. */
+inline __attribute__((always_inline))
+static int same_inaddr2_2(pdnsd_a2 *a, pdnsd_a2 *b)
+{
+  return SEL_IPVER(  a->ipv4.s_addr==b->ipv4.s_addr,
+		     IN6_ARE_ADDR_EQUAL(&a->ipv6,&b->ipv6) &&
+		      a->ipv4.s_addr==b->ipv4.s_addr );
+}
+
+/* This can be used to check whether a server address was already used in a
+   previous query_stat_t entry. */
+inline static int query_stat_same_inaddr2(query_stat_t *qs, pdnsd_a2 *b)
+{
+  return SEL_IPVER(  qs->a.sin4.sin_addr.s_addr==b->ipv4.s_addr,
+		     IN6_ARE_ADDR_EQUAL(&qs->a.sin6.sin6_addr,&b->ipv6) &&
+		      qs->a4fallback.s_addr==b->ipv4.s_addr );
+}
+
+
+/*
+ * Free resources used by a query_serv_t
+ * There for historical reasons only.
+ */
+inline static void del_qserv(query_stat_array q)
+{
+	da_free(q);
+}
+
+struct qstatnode_s {
+	query_stat_array    qa;
+	struct qstatnode_s  *next;
+};
+typedef struct qstatnode_s qstatnode_t;
+
+struct qhintnode_s {
+	const unsigned char *nm;
+	int                 tp;
+	struct qhintnode_s  *next;
+};
+/* typedef struct qhintnode_s qhintnode_t; */  /* Already defined in dns_query.h */
+
+static int auth_ok(query_stat_array q, const unsigned char *name, int thint, dns_cent_t *ent,
+		   int hops, qstatnode_t *qslist, qhintnode_t *qhlist,
+		   query_stat_t *qse, dlist ns, query_stat_array *serv);
+static int p_dns_cached_resolve(query_stat_array q, const unsigned char *name, int thint, dns_cent_t **cachedp,
+				int hops, qstatnode_t *qslist, qhintnode_t *qhlist, time_t queryts,
+				unsigned char *c_soa);
+static int simple_dns_cached_resolve(atup_array atup_a, int port, char edns_query, time_t timeout,
+				     const unsigned char *name, int thint, dns_cent_t **cachedp);
+
+
+/*
+ * Performs a semi-parallel query on the servers in q. PAR_QUERIES are executed parallel at a time.
+ * name is the query name in dns protocol format (number.string etc),
+ * ent is the dns_cent_t that will be filled.
+ * hops is the number of recursions left.
+ * qslist should refer to a list of server arrays used higher up in the calling chain. This way we can
+ * avoid name servers that have already been tried for this name.
+ * qhlist should refer to a list of names that we are trying to resolve higher up in the calling chain.
+ * These names should be avoided further down the chain, or we risk getting caught in a wasteful cycle.
+ * thint is a hint on the requested query type used to decide whether an aa record must be fetched
+ * or a non-authoritative answer will be enough.
+ *
+ * nocache is needed because we add AA records to the cache. If the nocache flag is set, we do not
+ * take the original values for the record, but flags=0 and ttl=0 (but only if we do not already have
+ * a cached record for that set). These settings cause the record be purged on the next cache addition.
+ * It will also not be used again.
+ *
+ * The return value of p_recursive_query() has the same meaning as that of p_dns_cached_resolve()
+ * (see below).
+ */
+static int p_recursive_query(query_stat_array q, const unsigned char *name, int thint, dns_cent_t **entp,
+			     int *nocache, int hops, qstatnode_t *qslist, qhintnode_t *qhlist,
+			     unsigned char *c_soa)
+{
+	dns_cent_t *ent,*entsave=NULL;
+	int i,j,k;
+	int rv=RC_SERVFAIL;
+	int qualval=0;
+	query_stat_t *qse=NULL;  /* Initialized to inhibit compiler warning */
+	dlist ns=NULL,nssave=NULL;
+	query_stat_array serv=NULL,servsave=NULL;
+
+#       define W_AUTHOK    8
+#       define W_NOTFAILED 2
+#       define W_NOTTRUNC  1
+#       define NOTFAILMASK 6
+#       define GOODQUAL    (W_AUTHOK+3*W_NOTFAILED)
+#	define save_query_result(ent,qs,ns,serv,authok)						\
+	{											\
+		int qval = authok*W_AUTHOK + (3-qs->failed)*W_NOTFAILED + (!qs->tc)*W_NOTTRUNC; \
+		if(entsave && qval>qualval) {							\
+			/* Free the old copy, because the new result is better. */		\
+			free_cent(entsave DBG1);						\
+			pdnsd_free(entsave);							\
+			entsave=NULL;								\
+			del_qserv(servsave);							\
+			dlist_free(nssave);							\
+		}										\
+		if(!entsave) {									\
+			entsave=ent;								\
+			servsave=serv;								\
+			/* The serv array contains references to data within the ns list,	\
+			   so we need to save a copy of the ns list as well! */			\
+			if(DA_NEL(serv)>0) nssave=ns; else {nssave=NULL;dlist_free(ns);}	\
+			qualval=qval;								\
+			qse=qs;									\
+		}										\
+		else {										\
+			/* We already have a copy, free the present one. */			\
+			free_cent(ent DBG1);							\
+			pdnsd_free(ent);							\
+			del_qserv(serv);							\
+			dlist_free(ns);								\
+		}										\
+		serv=NULL;									\
+		ns=NULL;									\
+	}
+
+	{
+		time_t ts0=time(NULL),global_timeout=global.timeout;
+		int dc=0,mc=0,nq=DA_NEL(q),parqueries=global.par_queries;
+
+		for (j=0; j<nq; j += parqueries) {
+			mc=j+parqueries;
+			if (mc>nq) mc=nq;
+
+			/* First, call p_exec_query once for each parallel set to initialize.
+			 * Then, as long as not all have the state QS_DONE or we have a timeout,
+			 * build a poll/select set for all active queries and call them accordingly. */
+			for (i=dc;i<mc;i++) {
+				query_stat_t *qs=&DA_INDEX(q,i);
+				if(i>=j) {
+					/* The below should not happen any more, but may once again
+					 * (immediate success) */
+					DEBUG_PDNSDA_MSG("Sending query to %s\n", PDNSDA2STR(PDNSD_A(qs)));
+				retryquery:
+					rv=p_exec_query(&ent, name, thint, qs,&ns,c_soa);
+					if (rv==RC_OK) {
+						int authok;
+						DEBUG_PDNSDA_MSG("Query to %s succeeded.\n", PDNSDA2STR(PDNSD_A(qs)));
+						if((authok=auth_ok(q, name, thint, ent, hops, qslist, qhlist, qs, ns, &serv))) {
+							if(authok>=0) {
+								if(!qs->failed
+#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
+								   && !(qs->qm==UDP_TCP && qs->tc)
+#endif
+								  )
+								{
+									qse=qs;
+									mc=i; /* No need to cancel queries beyond i */
+									goto done;
+								}
+							}
+							else {
+								mc=i; /* No need to cancel queries beyond i */
+								goto free_ent_return_failed;
+							}
+						}
+						/* We do not have a satisfactory answer.
+						   However, we will save a copy in case none of the other
+						   servers in the q list give a satisfactory answer either.
+						 */
+						save_query_result(ent,qs,ns,serv,authok);
+#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
+						if(qs->qm==UDP_TCP && qs->tc) {
+							switch_to_tcp(qs);
+							DEBUG_PDNSDA_MSG("Reply from %s was truncated. Trying again using TCP.\n",
+									 PDNSDA2STR(PDNSD_A(qs)));
+							goto retryquery;
+						}
+#endif
+					}
+					else if (rv==RC_NAMEERR || rv==RC_FATALERR) {
+						mc=i; /* No need to cancel queries beyond i */
+						goto done;
+					}
+				}
+				if (qs->state==QS_DONE && i==dc)
+					dc++;
+			}
+			if (dc<mc) {
+				time_t ts,maxto,now;
+				int pc,nevents;
+#ifdef NO_POLL
+				int maxfd;
+				fd_set reads;
+				fd_set writes;
+				struct timeval tv;
+#else
+				int ic;
+				struct pollfd polls[mc-dc];  /* Variable length array, may cause portability problems */
+#endif
+				/* we do time keeping by hand, because poll/select might be interrupted and
+				 * the returned times are not always to be trusted upon */
+				ts=time(NULL);
+				do {
+					/* build poll/select sets, maintain time.
+					 * If you do parallel queries, the highest timeout will be honored
+					 * also for the other servers when their timeout is exceeded and
+					 * the highest is not.
+					 * Changed by Paul Rombouts: queries are not canceled until we receive
+					 * a useful reply or everything has failed or timed out (also taking into
+					 * account the global timeout option).
+					 * Thus in the worst case all the queries in the q list will be active
+					 * simultaneously. The downside is that we may be wasting more resources
+					 * this way. The advantage is that we have a greater chance of catching a
+					 * reply. After all, if we wait longer anyway, why not for more servers. */
+					maxto=0;
+					pc=0;
+					rv=RC_SERVFAIL;
+
+#ifdef NO_POLL
+					FD_ZERO(&reads);
+					FD_ZERO(&writes);
+					maxfd=0;
+#endif
+					for (i=dc;i<mc;i++) {
+						query_stat_t *qs=&DA_INDEX(q,i);
+						if (qs->state!=QS_DONE) {
+							if (i>=j && qs->timeout>maxto)
+								maxto=qs->timeout;
+#ifdef NO_POLL
+							if (qs->sock>maxfd) {
+								maxfd=qs->sock;
+								PDNSD_ASSERT(maxfd<FD_SETSIZE,"socket file descriptor exceeds FD_SETSIZE.");
+							}
+
+							switch (qs->state) {
+							QS_READ_CASES:
+								FD_SET(qs->sock,&reads);
+								break;
+							QS_WRITE_CASES:
+								FD_SET(qs->sock,&writes);
+								break;
+							}
+#else
+							polls[pc].fd=qs->sock;
+							switch (qs->state) {
+							QS_READ_CASES:
+								polls[pc].events=POLLIN;
+								break;
+							QS_WRITE_CASES:
+								polls[pc].events=POLLOUT;
+								break;
+							default:
+								polls[pc].events=0;
+							}
+#endif
+							pc++;
+						}
+					}
+					if (pc==0) {
+						/* In this case, ALL are done and we do not need to cancel any
+						 * query. */
+						dc=mc;
+						break;
+					}
+					now=time(NULL);
+					maxto -= now-ts;
+					if (mc==nq) {
+#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
+						/* Don't use the global timeout if there are TCP queries
+						   we might want to retry using UDP. */
+						for (i=j;i<mc;i++) {
+							query_stat_t *qs=&DA_INDEX(q,i);
+							if(tentative_tcp_query(qs))
+								goto skip_globto;
+						}
+#endif
+						{
+							time_t globto=global_timeout-(now-ts0);
+							if(globto>maxto) maxto=globto;
+						}
+#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
+					skip_globto:;
+#endif
+					}
+#ifdef NO_POLL
+					tv.tv_sec=(maxto>0)?maxto:0;
+					tv.tv_usec=0;
+					nevents=select(maxfd+1,&reads,&writes,NULL,&tv);
+#else
+					nevents=poll(polls,pc,(maxto>0)?(maxto*1000):0);
+#endif
+					if (nevents<0) {
+						/* if(errno==EINTR)
+							continue; */
+						log_warn("poll/select failed: %s",strerror(errno));
+						goto done;
+					}
+					if (nevents==0) {
+						/* We have timed out. Mark the unresponsive servers so that we can consider
+						   them for retesting later on. We will continue to listen for replies from
+						   these servers as long as we have additional servers to try. */
+						for (i=j;i<mc;i++) {
+							query_stat_t *qs=&DA_INDEX(q,i);
+							if (qs->state!=QS_DONE && qs->needs_testing)
+								qs->needs_testing=2;
+#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
+							if (tentative_tcp_query(qs)) {
+								/* We timed out while waiting for a TCP connection.
+								   Try again using UDP.
+								*/
+								close(qs->sock);
+								switch_to_udp(qs);
+								DEBUG_PDNSDA_MSG("TCP connection to %s timed out. Trying to use UDP.\n",
+										 PDNSDA2STR(PDNSD_A(qs)));
+
+								rv=p_exec_query(&ent, name, thint, qs,&ns,c_soa);
+								/* In the unlikely case of immediate success */
+								if (rv==RC_OK) {
+									int authok;
+									DEBUG_PDNSDA_MSG("Query to %s succeeded.\n", PDNSDA2STR(PDNSD_A(qs)));
+									if((authok=auth_ok(q, name, thint, ent, hops, qslist, qhlist, qs, ns, &serv))) {
+										if(authok>=0) {
+											if(!qs->failed) {
+												qse=qs;
+												goto done;
+											}
+										}
+										else
+											goto free_ent_return_failed;
+									}
+									save_query_result(ent,qs,ns,serv,authok);
+								}
+								else if (rv==RC_NAMEERR || rv==RC_FATALERR) {
+									goto done;
+								}
+								++nevents;
+							}
+#endif
+						}
+#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
+						if (mc==nq) {
+							/* We will not try additional servers, but we might want to try again
+							   using UDP instead of TCP
+							*/
+							if(nevents && (time(NULL)-ts0)<global_timeout)
+								continue;
+						}
+#endif
+						break;
+					}
+#ifndef NO_POLL
+					ic=0;
+#endif
+					for (i=dc;i<mc;i++) {
+						query_stat_t *qs=&DA_INDEX(q,i);
+						/* Check if we got a poll/select event */
+						if (qs->state!=QS_DONE) {
+							int srv_event=0;
+							/* This detection may seem suboptimal, but normally, we have at most 2-3 parallel
+							 * queries, and anything else would be higher overhead, */
+#ifdef NO_POLL
+							switch (qs->state) {
+							QS_READ_CASES:
+								srv_event=FD_ISSET(qs->sock,&reads);
+								break;
+							QS_WRITE_CASES:
+								srv_event=FD_ISSET(qs->sock,&writes);
+								break;
+							}
+#else
+							do {
+								PDNSD_ASSERT(ic<pc, "file descriptor not found in poll() array");
+								k=ic++;
+							} while(polls[k].fd!=qs->sock);
+							/*
+							 * In case of an error, reenter the state machine
+							 * to catch it.
+							 */
+							switch (qs->state) {
+							QS_READ_CASES:
+								srv_event=polls[k].revents&(POLLIN|POLLERR|POLLHUP|POLLNVAL);
+								break;
+							QS_WRITE_CASES:
+								srv_event=polls[k].revents&(POLLOUT|POLLERR|POLLHUP|POLLNVAL);
+								break;
+							}
+#endif
+							if (srv_event) {
+								--nevents;
+							retryquery2:
+								rv=p_exec_query(&ent, name, thint, qs,&ns,c_soa);
+								if (rv==RC_OK) {
+									int authok;
+									DEBUG_PDNSDA_MSG("Query to %s succeeded.\n", PDNSDA2STR(PDNSD_A(qs)));
+									if((authok=auth_ok(q, name, thint, ent, hops, qslist, qhlist, qs, ns, &serv))) {
+										if(authok>=0) {
+											if(!qs->failed
+#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
+											   && !(qs->qm==UDP_TCP && qs->tc)
+#endif
+											  )
+											{
+												qse=qs;
+												goto done;
+											}
+										}
+										else
+											goto free_ent_return_failed;
+									}
+									save_query_result(ent,qs,ns,serv,authok);
+#if !defined(NO_TCP_QUERIES) && !defined(NO_UDP_QUERIES)
+									if(qs->qm==UDP_TCP && qs->tc) {
+										switch_to_tcp(qs);
+										DEBUG_PDNSDA_MSG("Reply from %s was truncated. Trying again using TCP.\n",
+												 PDNSDA2STR(PDNSD_A(qs)));
+										goto retryquery2;
+									}
+#endif
+								}
+								else if (rv==RC_NAMEERR || rv==RC_FATALERR) {
+									goto done;
+								}
+							}
+						}
+						/* recheck, this might have changed after the last p_exec_query */
+						if (qs->state==QS_DONE && i==dc)
+							dc++;
+					}
+					if(nevents>0) {
+						/* We have not managed to handle all the events reported by poll/select.
+						   Better call it quits, or we risk getting caught in a wasteful cycle.
+						*/
+						if(++poll_errs<=MAXPOLLERRS)
+							log_error("%d unhandled poll/select event(s) in p_recursive_query() at %s, line %d.",nevents,__FILE__,__LINE__);
+						rv=RC_SERVFAIL;
+						goto done;
+					}
+				} while (dc<mc);
+			}
+		}
+		goto cancel_queries;
+	free_ent_return_failed:
+		free_cent(ent  DBG1);
+		pdnsd_free(ent);
+		rv=RC_FATALERR;
+	done:
+		if (entsave) {
+			/* We have or will get an authoritative answer, or we have encountered an error.
+			   Free the non-authoritative answer. */
+			free_cent(entsave DBG1);
+			pdnsd_free(entsave);
+			entsave=NULL;
+			del_qserv(servsave);
+			dlist_free(nssave);
+		}
+	cancel_queries:
+		/* Cancel any remaining queries. */
+		for (i=dc;i<mc;i++)
+			p_cancel_query(&DA_INDEX(q,i));
+
+		{
+			/* See if any servers need to be retested for availability.
+			   We build up a list of addresses rather than call
+			   sched_server_test() separately for each address to
+			   reduce the overhead caused by locking and signaling */
+			int n=0;
+			for (i=0;i<mc;i++)
+				if (DA_INDEX(q,i).needs_testing > 1)
+					++n;
+			if(n>0) {
+				pdnsd_a addrs[n]; /* variable length array */
+				k=0;
+				for (i=0;i<mc;i++) {
+					query_stat_t *qs=&DA_INDEX(q,i);
+					if (qs->needs_testing > 1)
+						addrs[k++]= *PDNSD_A(qs);
+				}
+				sched_server_test(addrs,n,-1);
+			}
+		}
+	}
+
+	if(entsave) {
+		/*
+		 * If we didn't get rrs from any of the authoritative servers, or the answers were
+		 * unsatisfactory for another reason, take the one we had.
+		 * However, raise the CF_NOCACHE flag, so that it won't be used again (outside the
+		 * cache latency period).
+		 */
+		DEBUG_PDNSDA_MSG("Using %s reply from %s.\n",
+				 !(qualval&NOTFAILMASK)? "reportedly failed":
+				 !(qualval&W_NOTFAILED)? "inconsistent":
+				 !(qualval&W_NOTTRUNC)? "truncated":
+				 !(qualval&W_AUTHOK)? "non-authoritative": "good",
+				 PDNSDA2STR(PDNSD_A(qse)));
+		ent=entsave;
+		serv=servsave;
+		ns=nssave;
+		if(qualval<GOODQUAL) {
+			if(!(ent->flags&DF_NEGATIVE)) {
+				int jlim= RRARR_LEN(ent);
+				for (j=0; j<jlim; ++j) {
+					rr_set_t *rrs= RRARR_INDEX(ent,j);
+					if (rrs)
+						rrs->flags |= CF_NOCACHE;
+				}
+			}
+			else    /* Very unlikely, but not impossible. */
+				ent->flags |= DF_NOCACHE;
+		}
+		rv=RC_OK;
+	}
+	else if (rv!=RC_OK) {
+		if(rv==RC_FATALERR) {
+			DEBUG_MSG("Unrecoverable error encountered while processing query.\n");
+			rv=RC_SERVFAIL;
+		}
+		DEBUG_MSG("%sReturning error code \"%s\"\n",
+			  rv!=RC_NAMEERR? "No query succeeded. ": "",
+			  get_ename(rv));
+		goto clean_up_return;
+	}
+
+	if(nocache) *nocache=qse->nocache;
+
+	if (DA_NEL(serv)>0) {
+		/* Authority records present. Ask them, because the answer was non-authoritative. */
+		qstatnode_t qsn={q,qslist};
+		unsigned char save_ns=ent->c_ns,save_soa=ent->c_soa;
+		
+		if(qse->aa || qse->ra) {
+			/* The server claimed to be authoritative or have recursion available,
+			   yet we did not completely trust the answer for some reason.
+			   We will try to ask the servers in the authority records,
+			   but in case we fail, we will save a copy of the answer. */
+			entsave=ent;
+		}
+		else {
+			free_cent(ent  DBG1);
+			pdnsd_free(ent);
+			entsave=NULL;
+		}
+		rv=p_dns_cached_resolve(serv, name, thint,&ent,hops-1,&qsn,qhlist,time(NULL),c_soa);
+		if(rv==RC_OK || rv==RC_CACHED || (rv==RC_STALE && !entsave)) {
+			if(save_ns!=cundef && (ent->c_ns==cundef || ent->c_ns<save_ns))
+				ent->c_ns=save_ns;
+			if(save_soa!=cundef && (ent->c_soa==cundef || ent->c_soa<save_soa))
+				ent->c_soa=save_soa;
+			goto free_entsave;
+		}
+		else if(rv==RC_NAMEERR) {
+			if(c_soa && save_soa!=cundef && (*c_soa==cundef || *c_soa<save_soa))
+				*c_soa=save_soa;
+		free_entsave:
+			if(entsave) {
+				free_cent(entsave  DBG1);
+				pdnsd_free(entsave);
+			}
+		}
+		else if(entsave) {
+			if(rv==RC_STALE) {
+				free_cent(ent  DBG1);
+				pdnsd_free(ent);
+			}
+			DEBUG_PDNSDA_MSG("Using saved reply from %s that claims to %s.\n",
+					 PDNSDA2STR(PDNSD_A(qse)),
+					 qse->aa? "be authoritative": "have recursion available");
+			ent=entsave;
+			rv=RC_OK;
+		}
+	}
+
+ clean_up_return:
+	/* Always free the serv array before freeing the ns list,
+	   because the serv array contains references to data within the ns list! */
+	del_qserv(serv);
+	dlist_free(ns);
+
+	if(rv==RC_OK || rv==RC_CACHED || rv==RC_STALE) *entp=ent;
+	return rv;
+#	undef save_query_result
+}
+
+/* auth_ok returns 1 if we don't need an authoritative answer or
+   if we can find servers to ask for an authoritative answer.
+   In the latter case these servers will be added to the *serv list.
+   A return value of 0 means the answer is not satisfactory in the
+   previous sense.
+   A return value of -1 indicates an error.
+*/
+static int auth_ok(query_stat_array q, const unsigned char *name, int thint, dns_cent_t *ent,
+		   int hops, qstatnode_t *qslist, qhintnode_t *qhlist,
+		   query_stat_t *qse, dlist ns, query_stat_array *serv)
+{
+	int retval=0;
+
+	/* If the answer was obtained from a name server which returned a failure code,
+	   the answer is never satisfactory. */
+	if(qse->failed > 1) return 0;
+
+	/*
+	  Look into the query type hint. If it is a wildcard (QT_*), we need an authoritative answer.
+	  Same if there is no record that answers the query.
+	  This test will also succeed if we have a negative cached record. This is done purposely.
+	*/
+#define aa_needed ((thint>=QT_MIN && thint<=QT_MAX) || \
+	           ((thint>=T_MIN && thint<=T_MAX) && \
+		    (!have_rr(ent,thint) && !have_rr_CNAME(ent))))
+
+	/* We will want to query authoritative servers if all of the following conditions apply:
+
+	   1) The server from which we got the answer was not configured as "proxy only".
+	   2) The answer is not a negatively cached domain (i.e. the server did not reply with NXDOMAIN).
+	   3) The query type is a wild card (QT_*), or no record answers the query.
+	   4) The answer that we have is non-authoritative.
+	*/
+	if(!(qse->auth_serv && !(ent->flags&DF_NEGATIVE) && aa_needed))
+		return 1;
+
+	if(qse->aa) {
+		/* The reply we have claims to be authoritative.
+		   However, I have seen cases where name servers raise the authority flag incorrectly (groan...),
+		   so as a work-around, we will check whether the domains for which the servers in the ns
+		   list are responsible, match the queried name better than the domain for which the
+		   last server was responsible. */
+		unsigned char *nsdomain;
+
+		if(!qse->nsdomain)
+			return 1;
+
+		nsdomain=dlist_first(ns);
+		if(!nsdomain)
+			return 1;
+		for(;;) {
+			unsigned int rem,crem;
+			domain_match(nsdomain,qse->nsdomain,&rem,&crem);
+			if(!(rem>0 && crem==0))
+				return 1;
+			domain_match(nsdomain,name,&rem,NULL);
+			if(rem!=0)
+				return 1;
+			do {
+				nsdomain=dlist_next(nsdomain);
+				if(!nsdomain)
+					goto done_checkauth;
+			} while(*nsdomain==0xff);  /* Skip repeats. */
+		}
+	done_checkauth:;
+
+		/* The name servers in the ns list are a better match for the queried name than
+		   the server from which we got the last reply, so ignore the aa flag.
+		*/
+#if DEBUG>0
+		if(debug_p) {
+			unsigned char dbuf[DNSNAMEBUFSIZE],sdbuf[DNSNAMEBUFSIZE];
+			nsdomain=dlist_first(ns);
+			DEBUG_PDNSDA_MSG("The name server %s which is responsible for the %s domain, raised the aa flag, but appears to delegate to the sub-domain %s\n",
+					 PDNSDA2STR(PDNSD_A(qse)),
+					 rhn2str(qse->nsdomain,dbuf,sizeof(dbuf)),
+					 rhn2str(nsdomain,sdbuf,sizeof(sdbuf)));
+		}
+#endif
+	}
+
+	/* The answer was non-authoritative. Try to build a list of addresses of authoritative servers. */
+	if (hops>0) {
+		unsigned char *nsdomp, *nsdomain=NULL;
+		rr_set_t *localrrset=NULL;
+		rr_bucket_t *localrr=NULL;
+		for (nsdomp=dlist_first(ns);;) {
+			unsigned char *nsname=NULL;  /* Initialize to inhibit compiler warning. */
+			int nserva, ia, n;
+			pdnsd_a2 serva[MAXNAMESERVIPS];
+
+			/* Get next name server. */
+			if(localrr) {
+				/* Use next locally defined NS record. */
+				nsname=(unsigned char *)(localrr->data);
+				localrr= localrr->next;
+			}
+			else {
+				if(localrrset) {
+					/* clean up rrset */
+					del_rrset(localrrset  DBG1);
+					localrrset=NULL;
+				}
+				if(!nsdomp)
+					break;
+				else if(*nsdomp!=0xff) {
+					/* New domain. */
+					nsdomain=nsdomp;
+					if (global.paranoid) {
+						unsigned int rem;
+						/* paranoia mode: don't query name servers that are not responsible */
+						domain_match(nsdomain,name,&rem,NULL);
+						if (rem!=0) {
+#if DEBUG>0
+							unsigned char nmbuf[DNSNAMEBUFSIZE],dbuf[DNSNAMEBUFSIZE],nsbuf[DNSNAMEBUFSIZE];
+							DEBUG_MSG("The name server %s is responsible for the %s domain, which does not match %s\n",
+								  rhn2str(nsname,nsbuf,sizeof(nsbuf)),
+								  rhn2str(nsdomain,dbuf,sizeof(dbuf)),
+								  rhn2str(name,nmbuf,sizeof(nmbuf)));
+#endif
+							/* Skip records in ns list for the same domain. */
+							do {
+								nsdomp=dlist_next(nsdomp);
+							} while (nsdomp && *nsdomp==0xff);
+							continue;
+						}
+					}
+					/*   Check if we have locally defined NS records, because
+					     they will override the ones provided by remote servers.
+					*/
+					localrrset=lookup_cache_local_rrset(nsdomain,T_NS);
+					if(localrrset) {
+						/* Skip records in ns list for the same domain. */
+						do {
+							nsdomp=dlist_next(nsdomp);
+						} while (nsdomp && *nsdomp==0xff);
+						localrr=localrrset->rrs;
+						if(!localrr) continue;
+						nsname=(unsigned char *)(localrr->data);
+						localrr= localrr->next;
+					}
+					else {
+						nsname=skiprhn(nsdomp);
+						nsdomp=dlist_next(nsdomp);
+					}
+				}
+				else {
+					/* domain repeated. */
+					nsname= nsdomp+1;
+					nsdomp=dlist_next(nsdomp);
+				}
+			}
+			/* look it up in the cache or resolve it if needed.
+			   The records received should be in the cache now, so it's ok.
+			*/
+			nserva=0;
+
+			{
+				const unsigned char *nm=name;
+				int tp=thint;
+				qhintnode_t *ql=qhlist;
+
+				for(;;) {
+					if(rhnicmp(nm,nsname) && tp==T_A) {
+						DEBUG_RHN_MSG("Not looking up address for name server \"%s\": "
+							      "risk of infinite recursion.\n",RHN2STR(nsname));
+						goto skip_server;
+					}
+					if(!ql) break;
+					nm=ql->nm;
+					tp=ql->tp;
+					ql=ql->next;
+				}
+				{
+					qhintnode_t qhn={name,thint,qhlist};
+					dns_cent_t *servent;
+					if (r_dns_cached_resolve(nsname,T_A, &servent, hops-1, &qhn,time(NULL),NULL)==RC_OK) {
+#ifdef ENABLE_IPV4
+						if (run_ipv4) {
+							rr_set_t *rrset=getrrset_A(servent);
+							rr_bucket_t *rrs;
+							if (rrset)
+								for(rrs=rrset->rrs; rrs && nserva<MAXNAMESERVIPS; rrs=rrs->next)
+									serva[nserva++].ipv4 = *((struct in_addr *)rrs->data);
+						}
+#endif
+#ifdef ENABLE_IPV6
+						ELSE_IPV6 {
+							rr_set_t *rrset6=getrrset_AAAA(servent);
+							rr_bucket_t *rrs6= (rrset6? rrset6->rrs: NULL);
+							rr_set_t *rrset4=getrrset_A(servent);
+							rr_bucket_t *rrs4= (rrset4? rrset4->rrs: NULL);
+							while(nserva<MAXNAMESERVIPS) {
+								if(rrs6) {
+									serva[nserva].ipv6 = *((struct in6_addr *)rrs6->data);
+									rrs6=rrs6->next;
+									if (rrs4) {
+										/* Store IPv4 address as fallback. */
+										serva[nserva].ipv4 = *((struct in_addr *)rrs4->data);
+										rrs4=rrs4->next;
+									}
+									else
+										serva[nserva].ipv4.s_addr=INADDR_ANY;
+								}
+								else if (rrs4) {
+									struct in_addr *ina = (struct in_addr *)rrs4->data;
+									struct in6_addr *in6a = &serva[nserva].ipv6;
+									IPV6_MAPIPV4(ina,in6a);
+									serva[nserva].ipv4.s_addr=INADDR_ANY;
+									rrs4=rrs4->next;
+								}
+								else
+									break;
+								++nserva;
+							}
+						}
+#endif
+						free_cent(servent  DBG1);
+						pdnsd_free(servent);
+					}
+				}
+			}
+
+#if DEBUG>0
+			if(nserva==0) {
+				DEBUG_RHN_MSG("Looking up address for name server \"%s\" failed.\n",RHN2STR(nsname));
+			}
+#endif
+			n=DA_NEL(*serv);
+			for(ia=0; ia<nserva; ++ia) {
+				pdnsd_a2 *pserva= &serva[ia];
+				int i;
+
+				if(is_local_addr(PDNSD_A2_TO_A(pserva)))
+					continue;  /* Do not use local address (as defined in netdev.c). */
+
+				/* Skip duplicate addresses. */
+				for (i=0; i<n; ++i) {
+					query_stat_t *qs=&DA_INDEX(*serv,i);
+					if (query_stat_same_inaddr2(qs,pserva))
+						goto skip_server_addr;
+				}
+
+				{       /* We've got an address. Add it to the list if it wasn't one of the servers we queried. */
+					query_stat_array qa=q;
+					qstatnode_t *ql=qslist;
+					for(;;) {
+						int i,n=DA_NEL(qa);
+						for (i=0; i<n; ++i) {
+							/* If qa[i].state == QS_DONE, then p_exec_query() has been called,
+							   and we should not query this server again */
+							query_stat_t *qs=&DA_INDEX(qa,i);
+							if (qs->state==QS_DONE && equiv_inaddr2(PDNSD_A(qs),pserva)) {
+								DEBUG_PDNSDA_MSG("Not trying name server %s, already queried.\n", PDNSDA2STR(PDNSD_A2_TO_A(pserva)));
+								goto skip_server_addr;
+							}
+						}
+						if(!ql) break;
+						qa=ql->qa;
+						ql=ql->next;
+					}
+				}
+
+				/* lean query mode is inherited. CF_AUTH and CF_ADDITIONAL are not (as specified
+				 * in CFF_NOINHERIT). */
+				if (!add_qserv(serv, pserva, 53, qse->timeout, qse->flags&~CFF_NOINHERIT, 0,
+					       qse->lean_query,qse->edns_query,2,0,!global.paranoid,nsdomain,
+					       inherit_rejectlist(qse)?qse->rejectlist:NULL))
+				{
+					return -1;
+				}
+				retval=1;
+			skip_server_addr:;
+			}
+		skip_server:;
+		}
+#if DEBUG>0
+		if(!retval) {
+			DEBUG_PDNSDA_MSG("No remaining authoritative name servers to try in authority section from %s.\n", PDNSDA2STR(PDNSD_A(qse)));
+		}
+#endif
+	}
+	else {
+		DEBUG_MSG("Maximum hops count reached; not trying any more name servers.\n");
+	}
+
+	return retval;
+
+#undef  aa_needed
+}
+
+/*
+ * This checks the given name to resolve against the access list given for the server using the
+ * include=, exclude= and policy= parameters.
+ */
+static int use_server(servparm_t *s, const unsigned char *name)
+{
+	int i,n=DA_NEL(s->alist);
+
+	for (i=0;i<n;i++) {
+		slist_t *sl=&DA_INDEX(s->alist,i);
+		unsigned int nrem,lrem;
+		domain_match(name,sl->domain,&nrem,&lrem);
+		if(!lrem && (!sl->exact || !nrem))
+			return sl->rule==C_INCLUDED;
+	}
+
+	if (s->policy==C_SIMPLE_ONLY || s->policy==C_FQDN_ONLY) {
+                if(rhnsegcnt(name)<=1)
+			return s->policy==C_SIMPLE_ONLY;
+                else
+			return s->policy==C_FQDN_ONLY;
+        }
+
+	return s->policy==C_INCLUDED;
+}
+
+#if ALLOW_LOCAL_AAAA
+#define serv_has_rejectlist(s) ((s)->reject_a4!=NULL || (s)->reject_a6!=NULL)
+#else
+#define serv_has_rejectlist(s) ((s)->reject_a4!=NULL)
+#endif
+
+/* Take the lists of IP addresses from a server section sp and
+   convert them into a form that can be used by p_exec_query().
+   If successful, add_rejectlist returns a new list which is added to the old list rl,
+   otherwise the return value is NULL.
+*/
+static rejectlist_t *add_rejectlist(rejectlist_t *rl, servparm_t *sp)
+{
+	int i,na4=DA_NEL(sp->reject_a4);
+	addr4maskpair_t *a4p;
+#if ALLOW_LOCAL_AAAA
+	int na6=DA_NEL(sp->reject_a6);
+	addr6maskpair_t *a6p;
+#endif
+	rejectlist_t *rlist = malloc(sizeof(rejectlist_t) + na4*sizeof(addr4maskpair_t)
+#if ALLOW_LOCAL_AAAA
+				     + na6*sizeof(addr6maskpair_t)
+#endif
+				     );
+
+	if(rlist) {
+#if ALLOW_LOCAL_AAAA
+		/* Store the larger IPv6 addresses first to avoid possible alignment problems. */
+		rlist->na6 = na6;
+		a6p = (addr6maskpair_t *)rlist->rdata;
+		for(i=0;i<na6;++i)
+			*a6p++ = DA_INDEX(sp->reject_a6,i);
+#endif
+		rlist->na4 = na4;
+#if ALLOW_LOCAL_AAAA
+		a4p = (addr4maskpair_t *)a6p;
+#else
+		a4p = (addr4maskpair_t *)rlist->rdata;
+#endif
+		for(i=0;i<na4;++i)
+			*a4p++ = DA_INDEX(sp->reject_a4,i);
+
+		rlist->policy = sp->rejectpolicy;
+		rlist->inherit = sp->rejectrecursively;
+		rlist->next = rl;
+	}
+	else {
+		DEBUG_MSG("Out of memory in add_rejectlist()\n");
+	}
+
+	return rlist;
+}
+
+inline static void free_rejectlist(rejectlist_t *rl)
+{
+	while(rl) {
+		rejectlist_t *next = rl->next;
+		free(rl);
+		rl=next;
+	}
+}
+
+/* Lookup addresses of nameservers provided by root servers for a given domain in the cache.
+   Returns NULL if unsuccessful (or the cache entries have timed out).
+*/
+static addr2_array lookup_ns(const unsigned char *domain)
+{
+	addr2_array res=NULL;
+
+	dns_cent_t *cent=lookup_cache(domain,NULL);
+	if(cent) {
+		rr_set_t *rrset=getrrset_NS(cent);
+		if(rrset && (rrset->flags&CF_ROOTSERV) && !timedout(rrset)) {
+			rr_bucket_t *rr;
+			for(rr=rrset->rrs; rr; rr=rr->next) {
+				dns_cent_t *servent=lookup_cache((unsigned char*)(rr->data),NULL);
+				int nserva=0;
+				pdnsd_a2 serva[MAXNAMESERVIPS];
+				if(servent) {
+#ifdef ENABLE_IPV4
+					if (run_ipv4) {
+						rr_set_t *rrset=getrrset_A(servent);
+						rr_bucket_t *rrs;
+						if (rrset && !timedout(rrset))
+							for(rrs=rrset->rrs; rrs && nserva<MAXNAMESERVIPS; rrs=rrs->next)
+								serva[nserva++].ipv4 = *((struct in_addr *)rrs->data);
+					}
+#endif
+#ifdef ENABLE_IPV6
+					ELSE_IPV6 {
+						rr_set_t *rrset6=getrrset_AAAA(servent);
+						rr_set_t *rrset4=getrrset_A(servent);
+						rr_bucket_t *rrs6=NULL, *rrs4=NULL;
+						if (rrset6 && !(rrset6->flags&CF_NEGATIVE)) {
+							if(!timedout(rrset6)) {
+								rrs6= rrset6->rrs;
+								if (rrs6 && rrset4 && !(rrset4->flags&CF_NEGATIVE)) {
+									if(timedout(rrset4) || !(rrs4=rrset4->rrs))
+										/* Treat this as a failure. */
+										rrs6=NULL;
+								}
+							}
+						}
+						else if (rrset4 && !timedout(rrset4))
+							rrs4= rrset4->rrs;
+
+						while(nserva<MAXNAMESERVIPS) {
+							if(rrs6) {
+								serva[nserva].ipv6 = *((struct in6_addr *)rrs6->data);
+								rrs6=rrs6->next;
+								if (rrs4) {
+									/* Store IPv4 address as fallback. */
+									serva[nserva].ipv4 = *((struct in_addr *)rrs4->data);
+									rrs4=rrs4->next;
+								}
+								else
+									serva[nserva].ipv4.s_addr=INADDR_ANY;
+							}
+							else if (rrs4) {
+								struct in_addr *ina = (struct in_addr *)rrs4->data;
+								struct in6_addr *in6a = &serva[nserva].ipv6;
+								IPV6_MAPIPV4(ina,in6a);
+								serva[nserva].ipv4.s_addr=INADDR_ANY;
+								rrs4=rrs4->next;
+							}
+							else
+								break;
+							++nserva;
+						}
+					}
+#endif
+					free_cent(servent  DBG1);
+					pdnsd_free(servent);
+				}
+				if(nserva==0) {
+					/* Address lookup failed. */
+					da_free(res); res=NULL;
+					break;
+				}
+				else {
+					int i, j, n=DA_NEL(res);
+					for(i=0; i<nserva; ++i) {
+						pdnsd_a2 *pserva= &serva[i];
+						/* Skip duplicates */
+						for (j=0; j<n; ++j) {
+							pdnsd_a2 *pa= &DA_INDEX(res,j);
+							if (same_inaddr2_2(pa,pserva))
+								goto skip_address;
+						}
+						if(!(res=DA_GROW1(res))) {
+							DEBUG_MSG("Out of memory in lookup_ns()\n");
+							goto free_cent_return;
+						}
+						DA_LAST(res)= *pserva;
+					skip_address:;
+					}
+				}
+			}
+		}
+	free_cent_return:
+		free_cent(cent  DBG1);
+		pdnsd_free(cent);
+	}
+
+	return res;
+}
+
+
+/* Find addresses of root servers by looking them up in the cache or querying (non-recursively)
+   the name servers in the list provided.
+   Returns NULL if unsuccessful (or the cache entries have timed out).
+*/
+addr2_array dns_rootserver_resolv(atup_array atup_a, int port, char edns_query, time_t timeout)
+{
+	addr2_array res=NULL;
+	dns_cent_t *cent;
+	static const unsigned char rdomain[1]={0};  /* root-domain name. */
+	int rc;
+
+	rc=simple_dns_cached_resolve(atup_a,port,edns_query,timeout,rdomain,T_NS,&cent);
+	if(rc==RC_OK) {
+		rr_set_t *rrset=getrrset_NS(cent);
+		if(rrset) {
+			rr_bucket_t *rr;
+			unsigned nfail=0;
+			for(rr=rrset->rrs; rr; rr=rr->next) {
+				dns_cent_t *servent;
+				int nserva=0;
+				pdnsd_a2 serva[MAXNAMESERVIPS];
+
+				rc=simple_dns_cached_resolve(atup_a,port,edns_query,timeout,
+							     (const unsigned char *)(rr->data),T_A,&servent);
+				if(rc==RC_OK) {
+#ifdef ENABLE_IPV4
+					if (run_ipv4) {
+						rr_set_t *rrset=getrrset_A(servent);
+						rr_bucket_t *rrs;
+						if (rrset)
+							for(rrs=rrset->rrs; rrs && nserva<MAXNAMESERVIPS; rrs=rrs->next)
+								serva[nserva++].ipv4 = *((struct in_addr *)rrs->data);
+					}
+#endif
+#ifdef ENABLE_IPV6
+					ELSE_IPV6 {
+						rr_set_t *rrset6=getrrset_AAAA(servent);
+						rr_bucket_t *rrs6= (rrset6? rrset6->rrs: NULL);
+						rr_set_t *rrset4=getrrset_A(servent);
+						rr_bucket_t *rrs4= (rrset4? rrset4->rrs: NULL);
+						while(nserva<MAXNAMESERVIPS) {
+							if(rrs6) {
+								serva[nserva].ipv6 = *((struct in6_addr *)rrs6->data);
+								rrs6=rrs6->next;
+								if (rrs4) {
+									/* Store IPv4 address as fallback. */
+									serva[nserva].ipv4 = *((struct in_addr *)rrs4->data);
+									rrs4=rrs4->next;
+								}
+								else
+									serva[nserva].ipv4.s_addr=INADDR_ANY;
+							}
+							else if (rrs4) {
+								struct in_addr *ina = (struct in_addr *)rrs4->data;
+								struct in6_addr *in6a = &serva[nserva].ipv6;
+								IPV6_MAPIPV4(ina,in6a);
+								serva[nserva].ipv4.s_addr=INADDR_ANY;
+								rrs4=rrs4->next;
+							}
+							else
+								break;
+							++nserva;
+						}
+					}
+#endif
+					free_cent(servent  DBG1);
+					pdnsd_free(servent);
+				}
+				else {
+					DEBUG_RHN_MSG("Simple query for %s type A failed (rc: %s)\n",
+						      RHN2STR((const unsigned char *)(rr->data)),get_ename(rc));
+				}
+
+				if(nserva==0) {
+					/* Address lookup failed. */
+					DEBUG_RHN_MSG("Failed to obtain address of root server %s in dns_rootserver_resolv()\n",
+						      RHN2STR((const unsigned char *)(rr->data)));
+					++nfail;
+				}
+				else {
+					int i, j, n=DA_NEL(res);
+					for(i=0; i<nserva; ++i) {
+						pdnsd_a2 *pserva= &serva[i];
+						/* Skip duplicates */
+						for (j=0; j<n; ++j) {
+							pdnsd_a2 *pa= &DA_INDEX(res,j);
+							if (same_inaddr2_2(pa,pserva))
+								goto skip_address;
+						}
+						if(!(res=DA_GROW1(res))) {
+							DEBUG_MSG("Out of memory in dns_rootserver_resolv()\n");
+							goto free_cent_return;
+						}
+						DA_LAST(res)= *pserva;
+					skip_address:;
+					}
+				}
+			}
+			/* At least half of the names should resolve, otherwise we reject the result. */
+			if(nfail>DA_NEL(res)) {
+				DEBUG_MSG("Too many root-server resolve failures (%u succeeded, %u failed),"
+					  " rejecting the result.\n", DA_NEL(res),nfail);
+				da_free(res); res=NULL;
+			}
+		}
+	free_cent_return:
+		free_cent(cent  DBG1);
+		pdnsd_free(cent);
+	}
+	else {
+		DEBUG_MSG("Simple query for root domain type NS failed (rc: %s)\n",get_ename(rc));
+	}
+
+	return res;
+}
+
+
+static int p_dns_resolve(const unsigned char *name, int thint, dns_cent_t **cachedp, int hops, qhintnode_t *qhlist,
+			 unsigned char *c_soa)
+{
+	int i,n,rc;
+	int one_up=0,seenrootserv=0;
+	query_stat_array serv=NULL;
+	rejectlist_t *rejectlist=NULL;
+
+	/* try the servers in the order of their definition */
+	lock_server_data();
+	n=DA_NEL(servers);
+	for (i=0;i<n;++i) {
+		servparm_t *sp=&DA_INDEX(servers,i);
+		if(sp->rootserver<=1 && use_server(sp,name)) {
+			int m=DA_NEL(sp->atup_a);
+			if(m>0) {
+				rejectlist_t *rjl=NULL;
+				int j=0, jstart=0;
+				if(sp->rand_servers) j=jstart=random()%m;
+				do {
+					atup_t *at=&DA_INDEX(sp->atup_a,j);
+					if (at->is_up) {
+						if(sp->rootserver) {
+							if(!seenrootserv) {
+								int nseg,mseg=1,l=0;
+								const unsigned char *topdomain=NULL;
+								addr2_array adrs=NULL;
+								seenrootserv=1;
+								nseg=rhnsegcnt(name);
+								if(nseg>=2) {
+									static const unsigned char rhn_arpa[6]= {4,'a','r','p','a',0};
+									unsigned int rem;
+									/* Check if the queried name ends in "arpa" */
+									domain_match(rhn_arpa, name, &rem,NULL);
+									if(rem==0) mseg=3;
+								}
+								if(nseg<=mseg) {
+									if(nseg>0) mseg=nseg-1; else mseg=0;
+								}
+								for(;mseg>=1; --mseg) {
+									topdomain=skipsegs(name,nseg-mseg);
+									adrs=lookup_ns(topdomain);
+									l=DA_NEL(adrs);
+									if(l>0) break;
+									if(adrs) da_free(adrs);
+								}
+								if(l>0) {
+									/* The name servers for this top level domain have been found in the cache.
+									   Instead of asking the root server, we will use this cached information.
+									*/
+									int k=0, kstart=0;
+									if(sp->rand_servers) k=kstart=random()%l;
+									if(serv_has_rejectlist(sp) && sp->rejectrecursively && !rjl) {
+										rjl=add_rejectlist(rejectlist,sp);
+										if(!rjl) {one_up=0; da_free(adrs); goto done;}
+										rejectlist=rjl;
+									}
+									do {
+										one_up=add_qserv(&serv, &DA_INDEX(adrs,k), 53, sp->timeout,
+												 mk_flag_val(sp)&~CFF_NOINHERIT, sp->nocache,
+												 sp->lean_query, sp->edns_query, 2, 0,
+												 !global.paranoid, topdomain, rjl);
+										if(!one_up) {
+											da_free(adrs);
+											goto done;
+										}
+										if(++k==l) k=0;
+									} while(k!=kstart);
+									da_free(adrs);
+									DEBUG_PDNSDA_MSG("Not querying root-server %s, using cached information instead.\n",
+											 PDNSDA2STR(PDNSD_A2_TO_A(&at->a)));
+									seenrootserv=2;
+									break;
+								}
+							}
+							else if(seenrootserv==2)
+								break;
+						}
+						if(serv_has_rejectlist(sp) && !rjl) {
+							rjl=add_rejectlist(rejectlist,sp);
+							if(!rjl) {one_up=0; goto done;}
+							rejectlist=rjl;
+						}
+						one_up=add_qserv(&serv, &at->a, sp->port, sp->timeout,
+								 mk_flag_val(sp), sp->nocache, sp->lean_query, sp->edns_query,
+								 sp->rootserver?3:(!sp->is_proxy),
+								 needs_testing(sp), 1, NULL, rjl);
+						if(!one_up)
+							goto done;
+					}
+					if(++j==m) j=0;
+				} while(j!=jstart);
+			}
+		}
+	}
+ done:
+	unlock_server_data();
+	if (one_up) {
+		dns_cent_t *cached;
+		int nocache;
+		rc=p_recursive_query(serv, name, thint, &cached, &nocache, hops, NULL, qhlist, c_soa);
+		if (rc==RC_OK) {
+			if (!nocache) {
+				dns_cent_t *tc;
+				add_cache(cached);
+				if ((tc=lookup_cache(name,NULL))) {
+					/* The cache may hold more information  than the recent query yielded.
+					 * try to get the merged record. If that fails, revert to the new one. */
+					free_cent(cached  DBG1);
+					pdnsd_free(cached);
+					cached=tc;
+					/* rc=RC_CACHED; */
+				} else
+					DEBUG_MSG("p_dns_resolve: merging answer with cache failed, using local cent copy.\n");
+			} else
+				DEBUG_MSG("p_dns_resolve: nocache.\n");
+
+			*cachedp=cached;
+		}
+		else if(rc==RC_CACHED || rc==RC_STALE)
+			*cachedp=cached;
+	}
+	else {
+		DEBUG_MSG("No server is marked up and allowed for this domain.\n");
+		rc=RC_SERVFAIL; /* No server up */
+	}
+	del_qserv(serv);
+	free_rejectlist(rejectlist);
+	return rc;
+}
+
+static int set_flags_ttl(unsigned short *flags, time_t *ttl, dns_cent_t *cached, int tp)
+{
+	rr_set_t *rrset=getrrset(cached,tp);
+	if (rrset) {
+		time_t t;
+		*flags|=rrset->flags;
+		t=rrset->ts+CLAT_ADJ(rrset->ttl);
+		if (!*ttl || *ttl>t)
+			*ttl=t;
+		return 1;
+	}
+	return 0;
+}
+
+static void set_all_flags_ttl(unsigned short *flags, time_t *ttl, dns_cent_t *cached)
+{
+	int i, ilim= RRARR_LEN(cached);
+
+	for(i=0; i<ilim; ++i) {
+		rr_set_t *rrset= RRARR_INDEX(cached,i);
+		if (rrset) {
+			time_t t;
+			*flags|=rrset->flags;
+			t=rrset->ts+CLAT_ADJ(rrset->ttl);
+			if (!*ttl || *ttl>t)
+				*ttl=t;
+		}
+	}
+}
+
+/*
+  Lookup name in the cache, and if records of type thint are found, check whether a requery is needed.
+  Possible returns values are:
+    RC_OK:        the name is locally defined.
+    RC_NAMEERR:   the name is locally negatively cached.
+    RC_CACHED:    name was found in the cache, requery not needed.
+    RC_STALE:     name was found in the cache, but requery is needed.
+    RC_NOTCACHED: name was not found in the cache.
+*/
+static int lookup_cache_status(const unsigned char *name, int thint, dns_cent_t **cachedp, unsigned short *flagsp,
+			       time_t queryts, unsigned char *c_soa)
+{
+	dns_cent_t *cached;
+	int rc=RC_NOTCACHED;
+	int wild=0;
+	unsigned short flags=0;
+
+	if ((cached=lookup_cache(name,&wild))) {
+		short int neg=0,timed=0,need_req=0;
+		time_t ttl=0;
+
+		if (cached->flags&DF_LOCAL) {
+#if DEBUG>0
+			{
+				char dflagstr[DFLAGSTRLEN];
+				DEBUG_RHN_MSG("Entry found in cache for '%s' with dflags=%s.\n",
+					      RHN2STR(cached->qname),dflags2str(cached->flags,dflagstr));
+			}
+#endif
+			if((cached->flags&DF_NEGATIVE) || wild==w_locnerr) {
+				if(c_soa) {
+					if(cached->c_soa!=cundef)
+						*c_soa=cached->c_soa;
+					else if(have_rr_SOA(cached))
+						*c_soa=rhnsegcnt(cached->qname);
+					else {
+						unsigned char *owner=getlocalowner(cached->qname,T_SOA);
+						if(owner)
+							*c_soa=rhnsegcnt(owner);
+					}
+				}
+				free_cent(cached  DBG1);
+				pdnsd_free(cached);
+				rc= RC_NAMEERR;
+				goto return_rc;
+			}
+			else {
+				rc= RC_OK;
+				goto return_rc_cent;
+			}
+		}
+		DEBUG_RHN_MSG("Record found in cache for %s\n",RHN2STR(cached->qname));
+		if (cached->flags&DF_NEGATIVE) {
+			if ((ttl=cached->neg.ts+CLAT_ADJ(cached->neg.ttl))>=queryts)
+				neg=1;
+			else
+				timed=1;
+		} else {
+			if (thint==QT_ALL) {
+				set_all_flags_ttl(&flags, &ttl, cached);
+			}
+			else if (!set_flags_ttl(&flags, &ttl, cached, T_CNAME) || (getrrset_CNAME(cached)->flags&CF_NEGATIVE)) {
+				flags=0; ttl=0;
+				if (thint>=T_MIN && thint<=T_MAX) {
+					if (set_flags_ttl(&flags, &ttl, cached, thint))
+						neg=getrrset(cached,thint)->flags&CF_NEGATIVE && ttl>=queryts;
+				}
+				else if (thint==QT_MAILB) {
+					set_flags_ttl(&flags, &ttl, cached, T_MB);
+					set_flags_ttl(&flags, &ttl, cached, T_MG);
+					set_flags_ttl(&flags, &ttl, cached, T_MR);
+				}
+				else if (thint==QT_MAILA) {
+					set_flags_ttl(&flags, &ttl, cached, T_MD);
+					set_flags_ttl(&flags, &ttl, cached, T_MF);
+				}
+			}
+			if(!(flags&CF_LOCAL)) {
+				if (thint==QT_ALL) {
+					if(!(cached->flags&DF_AUTH))
+						need_req=1;
+				}
+				else if (thint>=QT_MIN && thint<=QT_MAX) {
+					if(!(flags&CF_AUTH && !(flags&CF_ADDITIONAL)))
+						need_req=1;
+				}
+				if (ttl<queryts)
+					timed=1;
+			}
+		}
+#if DEBUG>0
+		{
+			char dflagstr[DFLAGSTRLEN],cflagstr[CFLAGSTRLEN];
+			DEBUG_MSG("Requery decision: dflags=%s, cflags=%s, req=%i, neg=%i, timed=%i, %s=%li\n",
+				  dflags2str(cached->flags,dflagstr),cflags2str(flags,cflagstr),need_req,neg,timed,
+				  ttl?"ttl":"timestamp",(long)(ttl?(ttl-queryts):ttl));
+		}
+#endif
+		rc = (!neg && (need_req || timed))? RC_STALE: RC_CACHED;
+	return_rc_cent:
+		*cachedp=cached;
+	}
+
+return_rc:
+	if(flagsp) *flagsp=flags;
+	return rc;
+}
+
+
+/*
+ * Resolve records for name into dns_cent_t, type thint.
+ * q is the set of servers to query from. Set q to NULL if you want to ask the servers registered with pdnsd.
+ * qslist should refer to a list of server arrays already used higher up the calling chain (may be NULL).
+ * p_dns_cached_resolve() returns one of the following values:
+ *   RC_OK  means that the name was successfully resolved by querying other servers.
+ *   RC_CACHED or RC_STALE means that the name was found in the cache.
+ *   RC_NAMEERR or RC_SERVFAIL indicates a resolve error.
+ */
+static int p_dns_cached_resolve(query_stat_array q, const unsigned char *name, int thint, dns_cent_t **cachedp,
+				int hops, qstatnode_t *qslist, qhintnode_t *qhlist, time_t queryts,
+				unsigned char *c_soa)
+{
+	dns_cent_t *cached=NULL;
+	int rc;
+	unsigned short flags=0;
+
+	DEBUG_RHN_MSG("Starting cached resolve for: %s, query %s\n",RHN2STR(name),get_tname(thint));
+	rc= lookup_cache_status(name, thint, &cached, &flags,queryts,c_soa);
+	if(rc==RC_OK) {
+		/* Locally defined record. */
+		*cachedp=cached;
+		return RC_CACHED;
+	}
+	else if(rc==RC_NAMEERR)  /* Locally negated name. */
+		return RC_NAMEERR;
+
+	/* update server records set onquery */
+	if(global.onquery) test_onquery();
+	if (global.lndown_kluge && !(flags&CF_LOCAL)) {
+		int i,n,linkdown=1;
+		lock_server_data();
+		n=DA_NEL(servers);
+		for(i=0;i<n;++i) {
+			servparm_t *sp=&DA_INDEX(servers,i);
+			if(sp->rootserver<=1) {
+				int j,m=DA_NEL(sp->atup_a);
+				for(j=0;j<m;++j) {
+					if (DA_INDEX(sp->atup_a,j).is_up) {
+						linkdown=0;
+						goto done;
+					}
+				}
+			}
+		}
+	done:
+		unlock_server_data();
+		if (linkdown) {
+			DEBUG_MSG("Link is down.\n");
+			rc=RC_SERVFAIL;
+			goto cleanup_return;
+		}
+	}
+	if (rc!=RC_CACHED) {
+		dns_cent_t *ent;
+		DEBUG_MSG("Trying name servers.\n");
+		if (q)
+			rc=p_recursive_query(q,name,thint, &ent,NULL,hops,qslist,qhlist,c_soa);
+		else
+			rc=p_dns_resolve(name,thint, &ent,hops,qhlist,c_soa);
+
+		if(rc==RC_OK || rc==RC_CACHED || rc==RC_STALE) {
+			if (cached) {
+				free_cent(cached  DBG1);
+				pdnsd_free(cached);
+			}
+			cached=ent;
+		}
+		else if (rc==RC_SERVFAIL && cached && (flags&CF_NOPURGE)) {
+			/* We could not get a new record, but we have a timed-out cached one
+			   with the nopurge flag set. This means that we shall use it even
+			   if timed out when no new one is available*/
+			DEBUG_MSG("Falling back to cached record.\n");
+			rc=RC_STALE;
+		}
+		else
+			goto cleanup_return;
+	} else {
+		DEBUG_MSG("Using cached record.\n");
+	}
+	*cachedp=cached;
+	return rc;
+
+ cleanup_return:
+	if(cached) {
+		free_cent(cached  DBG1);
+		pdnsd_free(cached);
+	}
+	return rc;
+}
+
+
+/* r_dns_cached_resolve() is like p_dns_cached_resolve(), except that r_dns_cached_resolve()
+   will not return negatively cached entries, but returns RC_NAMEERR instead.
+   It also does not return RC_CACHED or RC_STALE, but RC_OK instead.
+*/
+int r_dns_cached_resolve(unsigned char *name, int thint, dns_cent_t **cachedp,
+			 int hops, qhintnode_t *qhlist, time_t queryts,
+			 unsigned char *c_soa)
+{
+	dns_cent_t *cached;
+	int rc=p_dns_cached_resolve(NULL,name,thint,&cached,hops,NULL,qhlist,queryts,c_soa);
+	if(rc==RC_OK || rc==RC_CACHED || rc==RC_STALE) {
+		if(cached->flags&DF_NEGATIVE) {
+			if(c_soa)
+				*c_soa=cached->c_soa;
+			free_cent(cached  DBG1);
+			pdnsd_free(cached);
+			return RC_NAMEERR;
+		}
+		else {
+			*cachedp=cached;
+			return RC_OK;
+		}
+	}
+	return rc;
+}
+
+
+static int simple_dns_cached_resolve(atup_array atup_a, int port, char edns_query, time_t timeout,
+				     const unsigned char *name, int thint, dns_cent_t **cachedp)
+{
+	dns_cent_t *cached=NULL;
+	int rc;
+
+	DEBUG_RHN_MSG("Starting simple cached resolve for: %s, query %s\n",RHN2STR(name),get_tname(thint));
+	rc= lookup_cache_status(name, thint, &cached, NULL, time(NULL), NULL);
+	if(rc==RC_OK) {
+		/* Locally defined record. */
+		*cachedp=cached;
+		return RC_OK;
+	}
+	else if(rc==RC_NAMEERR)  /* Locally negated name. */
+		return RC_NAMEERR;
+
+	if (rc!=RC_CACHED) {
+		query_stat_array qserv;
+		int j,m;
+		if (cached) {
+			free_cent(cached  DBG1);
+			pdnsd_free(cached);
+			cached=NULL;
+		}
+		DEBUG_MSG("Trying name servers.\n");
+		qserv=NULL;
+		m=DA_NEL(atup_a);
+		for(j=0; j<m; ++j) {
+			if(!add_qserv(&qserv, &DA_INDEX(atup_a,j).a, port, timeout, 0, 0, 1, edns_query, 0, 0, 1, NULL, NULL)) {
+				/* Note: qserv array already cleaned up by add_qserv() */
+				return RC_SERVFAIL;
+			}
+		}
+		rc=p_recursive_query(qserv,name,thint, &cached,NULL,0,NULL,NULL,NULL);
+		del_qserv(qserv);
+		if (rc==RC_OK) {
+			dns_cent_t *tc;
+			add_cache(cached);
+			if ((tc=lookup_cache(name,NULL))) {
+				/* The cache may hold more information  than the recent query yielded.
+				 * try to get the merged record. If that fails, revert to the new one. */
+				free_cent(cached  DBG1);
+				pdnsd_free(cached);
+				cached=tc;
+			} else
+				DEBUG_MSG("simple_dns_cached_resolve: merging answer with cache failed, using local cent copy.\n");
+		}
+		else if(!(rc==RC_CACHED || rc==RC_STALE))  /* RC_CACHED and RC_STALE should not be possible. */
+			return rc;
+	} else {
+		DEBUG_MSG("Using cached record.\n");
+	}
+
+	if(cached->flags&DF_NEGATIVE) {
+		free_cent(cached  DBG1);
+		pdnsd_free(cached);
+		return RC_NAMEERR;
+	}
+
+	*cachedp=cached;
+	return RC_OK;
+}
+
+
+/* Check whether a server is responsive by sending it an (empty) query.
+   rep is the number of times this is tried in case of no reply.
+ */
+int query_uptest(pdnsd_a *addr, int port, const unsigned char *name, time_t timeout, int rep)
+{
+	query_stat_t qs;
+	int iter=0,rv;
+
+#ifdef ENABLE_IPV4
+	if (run_ipv4) {
+		memset(&qs.a.sin4,0,sizeof(qs.a.sin4));
+		qs.a.sin4.sin_family=AF_INET;
+		qs.a.sin4.sin_port=htons(port);
+		qs.a.sin4.sin_addr=addr->ipv4;
+		SET_SOCKA_LEN4(qs.a.sin4);
+	}
+#endif
+#ifdef ENABLE_IPV6
+	ELSE_IPV6 {
+		memset(&qs.a.sin6,0,sizeof(qs.a.sin6));
+		qs.a.sin6.sin6_family=AF_INET6;
+		qs.a.sin6.sin6_port=htons(port);
+		qs.a.sin6.sin6_flowinfo=IPV6_FLOWINFO;
+		qs.a.sin6.sin6_addr=addr->ipv6;
+		SET_SOCKA_LEN6(qs.a.sin6);
+
+		qs.a4fallback.s_addr=INADDR_ANY;
+	}
+#endif
+	qs.timeout=timeout;
+	qs.flags=0;
+	qs.nocache=0;
+	qs.auth_serv=0;
+	qs.lean_query=1;
+	qs.edns_query=0;
+	qs.needs_testing=0;
+	qs.trusted=1;
+	qs.aa=0;
+	qs.tc=0;
+	qs.ra=0;
+	qs.failed=0;
+	qs.nsdomain=NULL;
+	qs.rejectlist=NULL;
+
+ try_again:
+	qs.state=QS_INITIAL;
+	qs.qm=global.query_method;
+	qs.s_errno=0;
+	rv=p_exec_query(NULL, name, T_A, &qs, NULL, NULL);
+	if(rv==-1) {
+		time_t ts, tpassed;
+		for(ts=time(NULL), tpassed=0;; tpassed=time(NULL)-ts) {
+			int event;
+#ifdef NO_POLL
+			fd_set reads;
+			fd_set writes;
+			struct timeval tv;
+			FD_ZERO(&reads);
+			FD_ZERO(&writes);
+			PDNSD_ASSERT(qs.sock<FD_SETSIZE,"socket file descriptor exceeds FD_SETSIZE.");
+			switch (qs.state) {
+			QS_READ_CASES:
+				FD_SET(qs.sock,&reads);
+				break;
+			QS_WRITE_CASES:
+				FD_SET(qs.sock,&writes);
+				break;
+			}
+			tv.tv_sec=timeout>tpassed?timeout-tpassed:0;
+			tv.tv_usec=0;
+			/* There is a possible race condition with the arrival of a signal here,
+			   but it is so unlikely to be a problem in practice that doing
+			   this properly is not worth the trouble.
+			*/
+			if(is_interrupted_servstat_thread()) {
+				DEBUG_MSG("server status thread interrupted.\n");
+				p_cancel_query(&qs);
+				return 0;
+			}
+			event=select(qs.sock+1,&reads,&writes,NULL,&tv);
+#else
+			struct pollfd pfd;
+			pfd.fd=qs.sock;
+			switch (qs.state) {
+			QS_READ_CASES:
+				pfd.events=POLLIN;
+				break;
+			QS_WRITE_CASES:
+				pfd.events=POLLOUT;
+				break;
+			default:
+				pfd.events=0;
+			}
+			/* There is a possible race condition with the arrival of a signal here,
+			   but it is so unlikely to be a problem in practice that doing
+			   this properly is not worth the trouble.
+			*/
+			if(is_interrupted_servstat_thread()) {
+				DEBUG_MSG("server status thread interrupted.\n");
+				p_cancel_query(&qs);
+				return 0;
+			}
+			event=poll(&pfd,1,timeout>tpassed?(timeout-tpassed)*1000:0);
+#endif
+			if (event<0) {
+				if(errno==EINTR && is_interrupted_servstat_thread()) {
+					DEBUG_MSG("poll/select interrupted in server status thread.\n");
+				}
+				else
+					log_warn("poll/select failed: %s",strerror(errno));
+				p_cancel_query(&qs);
+				return 0;
+			}
+			if(event==0) {
+				/* timed out */
+				p_cancel_query(&qs);
+				if(++iter<rep) goto try_again;
+				return 0;
+			}
+			event=0;
+#ifdef NO_POLL
+			switch (qs.state) {
+			QS_READ_CASES:
+				event=FD_ISSET(qs.sock,&reads);
+				break;
+			QS_WRITE_CASES:
+				event=FD_ISSET(qs.sock,&writes);
+				break;
+			}
+#else
+			switch (qs.state) {
+			QS_READ_CASES:
+				event=pfd.revents&(POLLIN|POLLERR|POLLHUP|POLLNVAL);
+				break;
+			QS_WRITE_CASES:
+				event=pfd.revents&(POLLOUT|POLLERR|POLLHUP|POLLNVAL);
+				break;
+			}
+#endif
+			if(event) {
+				rv=p_exec_query(NULL, name, T_A, &qs, NULL, NULL);
+				if(rv!=-1) break;
+			}
+			else {
+				if(++poll_errs<=MAXPOLLERRS)
+					log_error("Unhandled poll/select event in query_uptest() at %s, line %d.",__FILE__,__LINE__);
+				p_cancel_query(&qs);
+				return 0;
+			}
+		}
+	}
+	return (rv!=RC_SERVFAIL && rv!=RC_FATALERR);
+}
diff --git a/orbotservice/src/main/jni/pdnsd/src/dns_query.h b/orbotservice/src/main/jni/pdnsd/src/dns_query.h
new file mode 100644
index 0000000..b57e7be
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/dns_query.h
@@ -0,0 +1,51 @@
+/* dns_query.h - Execute outgoing dns queries and write entries to cache
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2004, 2006, 2009, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef DNS_QUERY_H
+#define DNS_QUERY_H
+
+#include "cache.h"
+
+/* Default UDP buffer size (when EDNS is not used). */
+#define UDP_BUFSIZE 512
+
+
+typedef struct qhintnode_s qhintnode_t;
+
+/* --- parallel query */
+int r_dns_cached_resolve(unsigned char *name, int thint, dns_cent_t **cachedp,
+			 int hops, qhintnode_t *qhlist, time_t queryts,
+			 unsigned char *c_soa);
+#define dns_cached_resolve(name,thint,cachedp,hops,queryts,c_soa) \
+        r_dns_cached_resolve(name,thint,cachedp,hops,NULL,queryts,c_soa)
+
+addr2_array dns_rootserver_resolv(atup_array atup_a, int port, char edns_query, time_t timeout);
+int query_uptest(pdnsd_a *addr, int port, const unsigned char *name, time_t timeout, int rep);
+
+/* --- from dns_answer.c */
+int add_opt_pseudo_rr(dns_msg_t **ans, size_t *sz, size_t *allocsz,
+		      unsigned short udpsize, unsigned short rcode,
+		      unsigned short ednsver, unsigned short Zflags);
+size_t remove_opt_pseudo_rr(dns_msg_t *ans, size_t sz);
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/error.c b/orbotservice/src/main/jni/pdnsd/src/error.c
new file mode 100644
index 0000000..4584866
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/error.c
@@ -0,0 +1,142 @@
+/* error.c - Error handling
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2003, 2004, 2005, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <syslog.h>
+#include <pthread.h>
+#include <signal.h>
+#include <string.h>
+#include "error.h"
+#include "helpers.h"
+#include "conff.h"
+
+
+pthread_mutex_t loglock = PTHREAD_MUTEX_INITIALIZER;
+volatile short int use_log_lock=0;
+
+/*
+ * Initialize a mutex for io-locking in order not to produce gibberish on
+ * multiple simultaneous errors.
+ */
+/* This is now defined as an inline function in error.h */
+#if 0
+void init_log_lock(void)
+{
+	use_log_lock=1;
+}
+#endif
+
+/* We crashed? Ooops... */
+void crash_msg(char *msg)
+{
+	log_error("%s", msg);
+	log_error("pdnsd probably crashed due to a bug. Please consider sending a bug");
+	log_error("report to p.a.rombouts@xxxxxxx or tmoestl@xxxxxxx");
+}
+
+/* Log a warning, error or info message.
+ * If we are a daemon, use the syslog. s is a format string like in printf,
+ * the optional following arguments are the arguments like in printf */
+void log_message(int prior, const char *s, ...)
+{
+	int gotlock=0;
+	va_list va;
+	FILE *f;
+
+	if (use_log_lock) {
+		gotlock=softlock_mutex(&loglock);
+		/* If we failed to get the lock and the type of the
+		   message is "info" or less important, then don't bother. */
+		if(!gotlock && prior>=LOG_INFO)
+			return;
+	}
+	if (global.daemon) {
+		openlog("pdnsd",LOG_PID,LOG_DAEMON);
+		va_start(va,s);
+		vsyslog(prior,s,va);
+		va_end(va);
+		closelog();
+	}
+	else {
+		f=stderr;
+#if DEBUG > 0
+		goto printtofile;
+	}
+	if(debug_p) {
+		f=dbg_file;
+	printtofile:
+#endif
+		{
+			char ts[sizeof "* 12/31 23:59:59| "];
+			time_t tt = time(NULL);
+			struct tm tm;
+
+			if(!localtime_r(&tt, &tm) || strftime(ts, sizeof(ts), "* %m/%d %T| ", &tm) <=0)
+				ts[0]=0;
+			fprintf(f,"%spdnsd: %s: ", ts,
+				prior<=LOG_CRIT?"critical":
+				prior==LOG_ERR?"error":
+				prior==LOG_WARNING?"warning":
+				"info");
+		}
+		va_start(va,s);
+		vfprintf(f,s,va);
+		va_end(va);
+		{
+			const char *p=strchr(s,0);
+			if(!p || p==s || *(p-1)!='\n')
+				fputc('\n',f);
+		}
+	}
+	if (gotlock)
+		pthread_mutex_unlock(&loglock);
+}
+
+
+#if DEBUG > 0
+/* XXX: The timestamp generation makes this a little heavy-weight */
+void debug_msg(int c, const char *fmt, ...)
+{
+	va_list va;
+
+	if (!c) {
+		char ts[sizeof "12/31 23:59:59"];
+		time_t tt = time(NULL);
+		struct tm tm;
+		unsigned *id;
+
+		if(localtime_r(&tt, &tm) && strftime(ts, sizeof(ts), "%m/%d %T", &tm) > 0) {
+			if((id = (unsigned *)pthread_getspecific(thrid_key)))
+				fprintf(dbg_file,"%u %s| ", *id, ts);
+			else
+				fprintf(dbg_file,"- %s| ", ts);
+		}
+	}
+	va_start(va,fmt);
+	vfprintf(dbg_file,fmt,va);
+	va_end(va);
+	fflush(dbg_file);
+}
+#endif /* DEBUG */
diff --git a/orbotservice/src/main/jni/pdnsd/src/error.h b/orbotservice/src/main/jni/pdnsd/src/error.h
new file mode 100644
index 0000000..1678744
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/error.h
@@ -0,0 +1,115 @@
+/* error.h - Error handling
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2003, 2004, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef ERROR_H
+#define ERROR_H
+
+#include <config.h>
+#include <time.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <signal.h>
+#include <syslog.h>
+
+#include "thread.h"
+#include "helpers.h"
+#include "pdnsd_assert.h"
+
+/* --- from error.c */
+extern volatile short int use_log_lock;
+/* --- */
+
+void crash_msg(char *msg);
+
+inline static void init_log_lock(void) __attribute__((always_inline));
+inline static void init_log_lock(void)
+{
+	use_log_lock=1;
+}
+
+void log_message(int prior,const char *s, ...) printfunc(2, 3);
+#if !defined(CPP_C99_VARIADIC_MACROS)
+/* GNU C Macro Varargs style. */
+#define log_error(args...) log_message(LOG_ERR,args)
+#define log_warn(args...) log_message(LOG_WARNING,args)
+#define log_info(level,args...) {if((level)<=global.verbosity) log_message(LOG_INFO,args);}
+#else
+/* ANSI C99 style. */
+#define log_error(...) log_message(LOG_ERR,__VA_ARGS__)
+#define log_warn(...) log_message(LOG_WARNING,__VA_ARGS__)
+#define log_info(level,...) {if((level)<=global.verbosity) log_message(LOG_INFO,__VA_ARGS__);}
+#endif
+
+/* Following are some ugly macros for debug messages that
+ * should inhibit any code generation when DEBUG is not defined.
+ * Of course, those messages could be done in a function, but I
+ * want to save the overhead when DEBUG is not defined.
+ * debug_p needs to be defined (by including conff.h), or you
+ * will get strange errors.
+ * A macro call expands to a complete statement, so a semicolon after
+ * the macro call is redundant.
+ * The arguments are normal printfs, so you know how to use the args
+ */
+#if DEBUG>0
+void debug_msg(int c, const char *fmt, ...) printfunc(2, 3);
+/* from main.c */
+extern FILE *dbg_file;
+#endif
+
+#if !defined(CPP_C99_VARIADIC_MACROS)
+/* GNU C Macro Varargs style. */
+# if DEBUG > 0
+#  define DEBUG_MSG(args...)	{if (debug_p) debug_msg(0,args);}
+#  define DEBUG_MSGC(args...)	{if (debug_p) debug_msg(1,args);}
+#  define DEBUG_PDNSDA_MSG(args...) {char _debugsockabuf[ADDRSTR_MAXLEN]; DEBUG_MSG(args);}
+#  define PDNSDA2STR(a)		pdnsd_a2str(a,_debugsockabuf,sizeof(_debugsockabuf))
+#  define DEBUG_RHN_MSG(args...) {unsigned char _debugstrbuf[DNSNAMEBUFSIZE]; DEBUG_MSG(args);}
+#  define RHN2STR(a)		rhn2str(a,_debugstrbuf,sizeof(_debugstrbuf))
+# else
+#  define DEBUG_MSG(args...)
+#  define DEBUG_MSGC(args...)
+#  define DEBUG_PDNSDA_MSG(args...)
+#  define DEBUG_RHN_MSG(args...)
+# endif	/* DEBUG > 0 */
+#else
+/* ANSI C99 style. */
+# if DEBUG > 0
+/*
+ * XXX: The ANSI and GCC variadic macros should be merged as far as possible, but that
+ *      might make things even more messy...
+ */
+#  define DEBUG_MSG(...)	{if (debug_p) debug_msg(0,__VA_ARGS__);}
+#  define DEBUG_MSGC(...)	{if (debug_p) debug_msg(1,__VA_ARGS__);}
+#  define DEBUG_PDNSDA_MSG(...)	{char _debugsockabuf[ADDRSTR_MAXLEN]; DEBUG_MSG(__VA_ARGS__);}
+#  define PDNSDA2STR(a)		pdnsd_a2str(a,_debugsockabuf,ADDRSTR_MAXLEN)
+#  define DEBUG_RHN_MSG(...)	{unsigned char _debugstrbuf[DNSNAMEBUFSIZE]; DEBUG_MSG(__VA_ARGS__);}
+#  define RHN2STR(a)		rhn2str(a,_debugstrbuf,sizeof(_debugstrbuf))
+# else
+#  define DEBUG_MSG(...)
+#  define DEBUG_MSGC(...)
+#  define DEBUG_PDNSDA_MSG(...)
+#  define DEBUG_RHN_MSG(...)
+# endif	/* DEBUG > 0 */
+#endif
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/freebsd_netinet_ip_icmp.h b/orbotservice/src/main/jni/pdnsd/src/freebsd_netinet_ip_icmp.h
new file mode 100644
index 0000000..e4577ce
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/freebsd_netinet_ip_icmp.h
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)ip_icmp.h	8.1 (Berkeley) 6/10/93
+ * $FreeBSD: src/sys/netinet/ip_icmp.h,v 1.20 2003/03/21 15:28:10 mdodd Exp $
+ */
+
+#ifndef _NETINET_IP_ICMP_H_
+#define _NETINET_IP_ICMP_H_
+
+/*
+ * Interface Control Message Protocol Definitions.
+ * Per RFC 792, September 1981.
+ */
+
+/*
+ * Internal of an ICMP Router Advertisement
+ */
+struct icmp_ra_addr {
+	u_int32_t ira_addr;
+	u_int32_t ira_preference;
+};
+
+/*
+ * Structure of an icmp header.
+ */
+struct icmp {
+	u_char	icmp_type;		/* type of message, see below */
+	u_char	icmp_code;		/* type sub code */
+	u_short	icmp_cksum;		/* ones complement cksum of struct */
+	union {
+		u_char ih_pptr;			/* ICMP_PARAMPROB */
+		struct in_addr ih_gwaddr;	/* ICMP_REDIRECT */
+		struct ih_idseq {
+			n_short	icd_id;
+			n_short	icd_seq;
+		} ih_idseq;
+		int ih_void;
+
+		/* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */
+		struct ih_pmtu {
+			n_short ipm_void;
+			n_short ipm_nextmtu;
+		} ih_pmtu;
+
+		struct ih_rtradv {
+			u_char irt_num_addrs;
+			u_char irt_wpa;
+			u_int16_t irt_lifetime;
+		} ih_rtradv;
+	} icmp_hun;
+#define	icmp_pptr	icmp_hun.ih_pptr
+#define	icmp_gwaddr	icmp_hun.ih_gwaddr
+#define	icmp_id		icmp_hun.ih_idseq.icd_id
+#define	icmp_seq	icmp_hun.ih_idseq.icd_seq
+#define	icmp_void	icmp_hun.ih_void
+#define	icmp_pmvoid	icmp_hun.ih_pmtu.ipm_void
+#define	icmp_nextmtu	icmp_hun.ih_pmtu.ipm_nextmtu
+#define	icmp_num_addrs	icmp_hun.ih_rtradv.irt_num_addrs
+#define	icmp_wpa	icmp_hun.ih_rtradv.irt_wpa
+#define	icmp_lifetime	icmp_hun.ih_rtradv.irt_lifetime
+	union {
+		struct id_ts {			/* ICMP Timestamp */
+			n_time its_otime;	/* Originate */
+			n_time its_rtime;	/* Receive */
+			n_time its_ttime;	/* Transmit */
+		} id_ts;
+		struct id_ip  {
+			struct ip idi_ip;
+			/* options and then 64 bits of data */
+		} id_ip;
+		struct icmp_ra_addr id_radv;
+		u_int32_t id_mask;
+		char	id_data[1];
+	} icmp_dun;
+#define	icmp_otime	icmp_dun.id_ts.its_otime
+#define	icmp_rtime	icmp_dun.id_ts.its_rtime
+#define	icmp_ttime	icmp_dun.id_ts.its_ttime
+#define	icmp_ip		icmp_dun.id_ip.idi_ip
+#define	icmp_radv	icmp_dun.id_radv
+#define	icmp_mask	icmp_dun.id_mask
+#define	icmp_data	icmp_dun.id_data
+};
+
+/*
+ * Lower bounds on packet lengths for various types.
+ * For the error advice packets must first insure that the
+ * packet is large enough to contain the returned ip header.
+ * Only then can we do the check to see if 64 bits of packet
+ * data have been returned, since we need to check the returned
+ * ip header length.
+ */
+#define	ICMP_MINLEN	8				/* abs minimum */
+#define	ICMP_TSLEN	(8 + 3 * sizeof (n_time))	/* timestamp */
+#define	ICMP_MASKLEN	12				/* address mask */
+#define	ICMP_ADVLENMIN	(8 + sizeof (struct ip) + 8)	/* min */
+#define	ICMP_ADVLEN(p)	(8 + ((p)->icmp_ip.ip_hl << 2) + 8)
+	/* N.B.: must separately check that ip_hl >= 5 */
+
+/*
+ * Definition of type and code field values.
+ */
+#define	ICMP_ECHOREPLY		0		/* echo reply */
+#define	ICMP_UNREACH		3		/* dest unreachable, codes: */
+#define		ICMP_UNREACH_NET	0		/* bad net */
+#define		ICMP_UNREACH_HOST	1		/* bad host */
+#define		ICMP_UNREACH_PROTOCOL	2		/* bad protocol */
+#define		ICMP_UNREACH_PORT	3		/* bad port */
+#define		ICMP_UNREACH_NEEDFRAG	4		/* IP_DF caused drop */
+#define		ICMP_UNREACH_SRCFAIL	5		/* src route failed */
+#define		ICMP_UNREACH_NET_UNKNOWN 6		/* unknown net */
+#define		ICMP_UNREACH_HOST_UNKNOWN 7		/* unknown host */
+#define		ICMP_UNREACH_ISOLATED	8		/* src host isolated */
+#define		ICMP_UNREACH_NET_PROHIB	9		/* prohibited access */
+#define		ICMP_UNREACH_HOST_PROHIB 10		/* ditto */
+#define		ICMP_UNREACH_TOSNET	11		/* bad tos for net */
+#define		ICMP_UNREACH_TOSHOST	12		/* bad tos for host */
+#define		ICMP_UNREACH_FILTER_PROHIB 13		/* admin prohib */
+#define		ICMP_UNREACH_HOST_PRECEDENCE 14		/* host prec vio. */
+#define		ICMP_UNREACH_PRECEDENCE_CUTOFF 15	/* prec cutoff */
+#define	ICMP_SOURCEQUENCH	4		/* packet lost, slow down */
+#define	ICMP_REDIRECT		5		/* shorter route, codes: */
+#define		ICMP_REDIRECT_NET	0		/* for network */
+#define		ICMP_REDIRECT_HOST	1		/* for host */
+#define		ICMP_REDIRECT_TOSNET	2		/* for tos and net */
+#define		ICMP_REDIRECT_TOSHOST	3		/* for tos and host */
+#define	ICMP_ECHO		8		/* echo service */
+#define	ICMP_ROUTERADVERT	9		/* router advertisement */
+#define	ICMP_ROUTERSOLICIT	10		/* router solicitation */
+#define	ICMP_TIMXCEED		11		/* time exceeded, code: */
+#define		ICMP_TIMXCEED_INTRANS	0		/* ttl==0 in transit */
+#define		ICMP_TIMXCEED_REASS	1		/* ttl==0 in reass */
+#define	ICMP_PARAMPROB		12		/* ip header bad */
+#define		ICMP_PARAMPROB_ERRATPTR 0		/* error at param ptr */
+#define		ICMP_PARAMPROB_OPTABSENT 1		/* req. opt. absent */
+#define		ICMP_PARAMPROB_LENGTH 2			/* bad length */
+#define	ICMP_TSTAMP		13		/* timestamp request */
+#define	ICMP_TSTAMPREPLY	14		/* timestamp reply */
+#define	ICMP_IREQ		15		/* information request */
+#define	ICMP_IREQREPLY		16		/* information reply */
+#define	ICMP_MASKREQ		17		/* address mask request */
+#define	ICMP_MASKREPLY		18		/* address mask reply */
+
+#define	ICMP_MAXTYPE		18
+
+#define	ICMP_INFOTYPE(type) \
+	((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \
+	(type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \
+	(type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \
+	(type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \
+	(type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)
+
+#ifdef _KERNEL
+void	icmp_error(struct mbuf *, int, int, n_long, struct ifnet *);
+void	icmp_input(struct mbuf *, int);
+#endif
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/hash.c b/orbotservice/src/main/jni/pdnsd/src/hash.c
new file mode 100644
index 0000000..12e2074
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/hash.c
@@ -0,0 +1,322 @@
+/* hash.c - Manage hashes for cached dns records
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2003, 2005 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include "hash.h"
+#include "cache.h"
+#include "error.h"
+#include "helpers.h"
+#include "consts.h"
+
+
+/* This is not a perfect hash, but I hope it holds. It is designed for 1024 hash
+ * buckets, and hashes strings with case-insensitivity.
+ * It is position-aware in a limited way.
+ * It is exactly seen a two-way hash: because I do not want to exaggerate
+ * the hash buckets (i do have 1024), but I hash strings and string-comparisons
+ * are expensive, I save another 32 bit hash in each hash element that is checked
+ * before the string. The 32 bit hash is also used to order the entries in a hash chain.
+ * I hope not to have all too much collision concentration.
+ *
+ * The ip hash was removed. I don't think it concentrated the collisions too much.
+ * If it does, the hash algorithm needs to be changed, rather than using another
+ * hash.
+ * Some measurements seem to indicate that the hash algorithm is doing reasonable well.
+ */
+
+dns_hash_ent_t *hash_buckets[HASH_NUM_BUCKETS];
+
+
+/*
+ * Hash a dns name (length-byte string format) to HASH_SZ bit.
+ * *rhash is set to a long int hash.
+ */
+static unsigned dns_hash(const unsigned char *str, unsigned long *rhash)
+{
+	unsigned s,i,lb,c;
+	unsigned long r;
+	s=0; r=0;
+	i=0;
+	while((lb=str[i])) {
+		s+=lb<<(i%(HASH_SZ-5));
+		r+=((unsigned long)lb)<<(i%(8*sizeof(unsigned long)-7));
+		++i;
+		do {
+			c=toupper(str[i]);
+			s+=c<<(i%(HASH_SZ-5));
+			r+=((unsigned long)c)<<(i%(8*sizeof(unsigned long)-7));
+			++i;
+		} while(--lb);
+	}
+	s=(s&HASH_BITMASK)+((s&(~HASH_BITMASK))>>HASH_SZ);
+	s=(s&HASH_BITMASK)+((s&(~HASH_BITMASK))>>HASH_SZ);
+	s &= HASH_BITMASK;
+#ifdef DEBUG_HASH
+	{
+		unsigned char buf[DNSNAMEBUFSIZE];
+		printf("Diagnostic: hashes for %s: %03x,%04lx\n",rhn2str(str,buf,sizeof(buf)),s,r);
+	}
+#endif
+	if(rhash) *rhash=r;
+	return s;
+}
+
+/*
+ * Initialize hash to hold a dns hash table
+ */
+/* This is now defined as an inline function in hash.h */
+#if 0
+void mk_dns_hash()
+{
+	int i;
+	for(i=0;i<HASH_NUM_BUCKETS;i++)
+		hash_buckets[i]=NULL;
+}
+#endif
+
+/*
+  Lookup in the hash table for key. If it is found, return the pointer to the cache entry.
+  If no entry is found, return 0.
+  If loc is not NULL, it will used to store information about the location within the hash table
+  This can be used to add an entry with add_dns_hash() or delete the entry with del_dns_hash_ent().
+*/
+dns_cent_t *dns_lookup(const unsigned char *key, dns_hash_loc_t *loc)
+{
+	dns_cent_t *retval=NULL;
+	unsigned idx;
+	unsigned long rh;
+	dns_hash_ent_t **hep,*he;
+
+	idx = dns_hash(key,&rh);
+	hep = &hash_buckets[idx];
+	while ((he= *hep) && he->rhash<=rh) {
+		if (he->rhash==rh && rhnicmp(key,he->data->qname)) {
+			retval = he->data;
+			break;
+		}
+		hep = &he->next;
+	}
+	if(loc) {
+		loc->pos = hep;
+		loc->rhash = rh;
+	}
+	return retval;
+}
+
+/*
+  Add a cache entry to the hash table.
+
+  loc must contain the location where the the new entry should be inserted
+  (this location can be obtained with dns_lookup).
+
+  add_dns_hash returns 1 on success, or 0 if out of memory.
+*/
+int add_dns_hash(dns_cent_t *data, dns_hash_loc_t *loc)
+{
+	dns_hash_ent_t *he = malloc(sizeof(dns_hash_ent_t));
+
+	if(!he)
+		return 0;
+
+	he->next = *(loc->pos);
+	he->rhash = loc->rhash;
+	he->data = data;
+	*(loc->pos) = he;
+
+	return 1;
+}
+
+/*
+  Delete the hash entry indentified by the location returned by dns_lookup().
+*/
+dns_cent_t *del_dns_hash_ent(dns_hash_loc_t *loc)
+{
+	dns_hash_ent_t *he = *(loc->pos);
+	dns_cent_t *data;
+
+	*(loc->pos) = he->next;
+	data = he->data;
+	free(he);
+	return data;
+}
+
+/*
+ * Delete the first entry indexed by key from the hash. Returns the data field or NULL.
+ * Since two cents are not allowed to be for the same host name, there will be only one.
+ */
+dns_cent_t *del_dns_hash(const unsigned char *key)
+{
+	unsigned idx;
+	unsigned long rh;
+	dns_hash_ent_t **hep,*he;
+	dns_cent_t *data;
+
+	idx = dns_hash(key,&rh);
+	hep = &hash_buckets[idx];
+	while ((he= *hep) && he->rhash<=rh) {
+		if (he->rhash==rh && rhnicmp(key,he->data->qname)) {
+			*hep = he->next;
+			data = he->data;
+			free(he);
+			return data;
+		}
+		hep = &he->next;
+	}
+	return NULL;   /* not found */
+}
+
+
+/*
+ * Delete all entries in a hash bucket.
+ */
+void free_dns_hash_bucket(int i)
+{
+	dns_hash_ent_t *he,*hen;
+
+	he=hash_buckets[i];
+	hash_buckets[i]=NULL;
+	while (he) {
+		hen=he->next;
+		del_cent(he->data);
+		free(he);
+		he=hen;
+	}
+}
+
+/*
+ * Delete all entries in a hash bucket whose names match those in
+ * an include/exclude list.
+ */
+void free_dns_hash_selected(int i, slist_array sla)
+{
+	dns_hash_ent_t **hep,*he,*hen;
+	int j,m=DA_NEL(sla);
+
+	hep= &hash_buckets[i];
+	he= *hep;
+
+	while (he) {
+		unsigned char *name=he->data->qname;
+		for(j=0;j<m;++j) {
+			slist_t *sl=&DA_INDEX(sla,j);
+			unsigned int nrem,lrem;
+			domain_match(name,sl->domain,&nrem,&lrem);
+			if(!lrem && (!sl->exact || !nrem)) {
+				if(sl->rule==C_INCLUDED)
+					goto delete_entry;
+				else
+					break;
+			}
+		}
+		/* default policy is not to delete */
+		hep= &he->next;
+		he= *hep;
+		continue;
+
+	delete_entry:
+		*hep=hen=he->next;;
+		del_cent(he->data);
+		free(he);
+		he=hen;
+	}
+}
+
+/*
+ * Delete the whole hash table, freeing all memory
+ */
+void free_dns_hash()
+{
+	int i;
+	dns_hash_ent_t *he,*hen;
+	for (i=0;i<HASH_NUM_BUCKETS;i++) {
+		he=hash_buckets[i];
+		hash_buckets[i]=NULL;
+		while (he) {
+			hen=he->next;
+			del_cent(he->data);
+			free(he);
+			he=hen;
+		}
+	}
+}
+
+/*
+ * The following functions are for iterating over the hash.
+ * fetch_first returns the data field of the first element (or NULL if there is none), and fills pos
+ * for subsequent calls of fetch_next.
+ * fetch_next returns the data field of the element after the element that was returned by the last
+ * call with the same position argument (or NULL if there is none)
+ *
+ * Note that these are designed so that you may actually delete the elements you retrieved from the hash.
+ */
+dns_cent_t *fetch_first(dns_hash_pos_t *pos)
+{
+	int i;
+	for (i=0;i<HASH_NUM_BUCKETS;i++) {
+		dns_hash_ent_t *he=hash_buckets[i];
+		if (he) {
+			pos->bucket=i;
+			pos->ent=he->next;
+			return he->data;
+		}
+	}
+	return NULL;
+}
+
+dns_cent_t *fetch_next(dns_hash_pos_t *pos)
+{
+	dns_hash_ent_t *he=pos->ent;
+	int i;
+	if (he) {
+		pos->ent=he->next;
+		return he->data;
+	}
+
+	for (i=pos->bucket+1;i<HASH_NUM_BUCKETS;i++) {
+		he=hash_buckets[i];
+		if (he) {
+			pos->bucket=i;
+			pos->ent=he->next;
+			return he->data;
+		}
+	}
+	return NULL;
+}
+
+#ifdef DEBUG_HASH
+void dumphash()
+{
+	if(debug_p) {
+		int i, j;
+		dns_hash_ent_t *he;
+
+		for (i=0; i<HASH_NUM_BUCKETS; i++) {
+			for (j=0, he=hash_buckets[i]; he; he=he->next, j++) ;
+			DEBUG_MSG("bucket %d: %d entries\n", i, j);
+		}
+	}
+}
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/hash.h b/orbotservice/src/main/jni/pdnsd/src/hash.h
new file mode 100644
index 0000000..db25a34
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/hash.h
@@ -0,0 +1,83 @@
+/* hash.h - Manage hashes for cached dns records
+
+   Copyright (C) 2000 Thomas Moestl
+   Copyright (C) 2003, 2005 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef _HASH_H_
+#define _HASH_H_
+#include <config.h>
+#include "cache.h"
+
+typedef struct dns_hash_ent_s {
+	struct dns_hash_ent_s	*next;
+	unsigned long		rhash; /* this is a better hash */
+	dns_cent_t		*data;
+} dns_hash_ent_t;
+
+/* Redefine this if you want another hash size. Should work ;-).
+ * The number of hash buckets is computed as power of two;
+ * so, e.g. HASH_SZ set to 10 yields 1024 hash rows (2^10 or 1<<10).
+ * Only powers of two are possible conveniently.
+ * HASH_SZ may not be bigger than 32 (if you set it even close to that value,
+ * you are nuts.) */
+/* #define HASH_SZ       10 */  /* Now defined in config.h */
+#define HASH_NUM_BUCKETS (1<<HASH_SZ)
+
+#define HASH_BITMASK     (HASH_NUM_BUCKETS-1)
+
+extern dns_hash_ent_t *hash_buckets[];
+
+/* A type for remembering the position in the hash table where a new entry can be inserted. */
+typedef struct {
+	dns_hash_ent_t **pos;      /* pointer to the location in the hash table */
+	unsigned long  rhash;      /* long hash */
+} dns_hash_loc_t;
+
+/* A type for position specification for fetch_first and fetch_next */
+typedef struct {
+	int            bucket;     /* bucket chain we are in */
+	dns_hash_ent_t *ent;       /* entry */
+} dns_hash_pos_t;
+
+inline static void mk_dns_hash()  __attribute__((always_inline));
+inline static void mk_dns_hash()
+{
+	int i;
+	for(i=0;i<HASH_NUM_BUCKETS;i++)
+		hash_buckets[i]=NULL;
+}
+
+dns_cent_t *dns_lookup(const unsigned char *key, dns_hash_loc_t *loc);
+int add_dns_hash(dns_cent_t *data, dns_hash_loc_t *loc);
+dns_cent_t *del_dns_hash_ent(dns_hash_loc_t *loc);
+dns_cent_t *del_dns_hash(const unsigned char *key);
+void free_dns_hash_bucket(int i);
+void free_dns_hash_selected(int i, slist_array sla);
+void free_dns_hash();
+
+dns_cent_t *fetch_first(dns_hash_pos_t *pos);
+dns_cent_t *fetch_next(dns_hash_pos_t *pos);
+
+#ifdef DEBUG_HASH
+void dumphash();
+#endif
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/helpers.c b/orbotservice/src/main/jni/pdnsd/src/helpers.c
new file mode 100644
index 0000000..5682d64
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/helpers.c
@@ -0,0 +1,795 @@
+/* helpers.c - Various helper functions
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2005, 2006, 2008, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <pwd.h>
+#include <grp.h>
+#include <errno.h>
+#include "ipvers.h"
+#include "thread.h"
+#include "error.h"
+#include "helpers.h"
+#include "cache.h"
+#include "conff.h"
+
+
+/*
+ * This is to exit pdnsd from any thread.
+ */
+void pdnsd_exit()
+{
+	pthread_kill(main_thrid,SIGTERM);
+	pthread_exit(NULL);
+}
+
+/*
+ * Try to grab a mutex. If we can't, fail. This will loop until we get the
+ * mutex or fail. This is only used in debugging code or at exit, otherwise
+ * we might run into lock contention problems.
+ */
+int softlock_mutex(pthread_mutex_t *mutex)
+{
+	unsigned int tr=0;
+	while(pthread_mutex_trylock(mutex)) {
+		if (++tr>=SOFTLOCK_MAXTRIES)
+			return 0;
+		usleep_r(10000);
+	}
+	return 1;
+}
+
+/*
+ * setuid() and setgid() for a specified user.
+ */
+int run_as(const char *user)
+{
+	if (user[0]) {
+#ifdef HAVE_GETPWNAM_R
+		struct passwd pwdbuf, *pwd;
+		size_t buflen;
+		int err;
+
+		for(buflen=128;; buflen*=2) {
+			char buf[buflen];  /* variable length array */
+
+			/* Note that we use getpwnam_r() instead of getpwnam(),
+			   which returns its result in a statically allocated buffer and
+			   cannot be considered thread safe.
+			   Doesn't use NSS! */
+			err=getpwnam_r(user, &pwdbuf, buf, buflen, &pwd);
+			if(err==0 && pwd) {
+				/* setgid first, because we may not be allowed to do it anymore after setuid */
+				if (setgid(pwd->pw_gid)!=0) {
+					log_error("Could not change group id to that of run_as user '%s': %s",
+						  user,strerror(errno));
+					return 0;
+				}
+
+				/* initgroups uses NSS, so we can disable it,
+				   i.e. we might need DNS for LDAP lookups, which times out */
+				if (global.use_nss && (initgroups(user, pwd->pw_gid)!=0)) {
+					log_error("Could not initialize the group access list of run_as user '%s': %s",
+						  user,strerror(errno));
+					return 0;
+				}
+				if (setuid(pwd->pw_uid)!=0) {
+					log_error("Could not change user id to that of run_as user '%s': %s",
+						  user,strerror(errno));
+					return 0;
+				}
+				break;
+			}
+			else if(err!=ERANGE) {
+				if(err)
+					log_error("run_as user '%s' could not be found: %s",user,strerror(err));
+				else
+					log_error("run_as user '%s' could not be found.",user);
+				return 0;
+			}
+			else if(buflen>=16*1024) {
+				/* If getpwnam_r() seems defective, call it quits rather than
+				   keep on allocating ever larger buffers until we crash. */
+				log_error("getpwnam_r() requires more than %u bytes of buffer space.",(unsigned)buflen);
+				return 0;
+			}
+			/* Else try again with larger buffer. */
+		}
+#else
+		/* No getpwnam_r() :-(  We'll use getpwnam() and hope for the best. */
+		struct passwd *pwd;
+
+		if (!(pwd=getpwnam(user))) {
+			log_error("run_as user %s could not be found.",user);
+			return 0;
+		}
+		/* setgid first, because we may not allowed to do it anymore after setuid */
+		if (setgid(pwd->pw_gid)!=0) {
+			log_error("Could not change group id to that of run_as user '%s': %s",
+				  user,strerror(errno));
+			return 0;
+		}
+		/* initgroups uses NSS, so we can disable it,
+		   i.e. we might need DNS for LDAP lookups, which times out */
+		if (global.use_nss && (initgroups(user, pwd->pw_gid)!=0)) {
+			log_error("Could not initialize the group access list of run_as user '%s': %s",
+				  user,strerror(errno));
+			return 0;
+		}
+		if (setuid(pwd->pw_uid)!=0) {
+			log_error("Could not change user id to that of run_as user '%s': %s",
+				  user,strerror(errno));
+			return 0;
+		}
+#endif
+	}
+
+	return 1;
+}
+
+/*
+ * returns whether c is allowed in IN domain names
+ */
+#if 0
+int isdchar (unsigned char c)
+{
+	if ((c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9') || c=='-'
+#ifdef UNDERSCORE
+	    || c=='_'
+#endif
+	   )
+		return 1;
+	return 0;
+}
+#endif
+
+/*
+ * Convert a string given in dotted notation to the transport format (length byte prepended
+ * domain name parts, ended by a null length sequence)
+ * The memory areas referenced by str and rhn may not overlap.
+ * The buffer rhn points to is assumed to be at least DNSNAMEBUFSIZE bytes in size.
+ *
+ * Returns 1 if successful, otherwise 0.
+ */
+int str2rhn(const unsigned char *str, unsigned char *rhn)
+{
+	unsigned int i,j;
+
+	if(*str=='.' && !*(str+1)) {
+		/* Special case: root domain */
+		rhn[0]=0;
+		return 1;
+	}
+
+	for(i=0;;) {
+		unsigned int jlim= i+63;
+		if(jlim>DNSNAMEBUFSIZE-2) jlim=DNSNAMEBUFSIZE-2; /* DNSNAMEBUFSIZE-2 because the termination 0 has to follow */
+		for(j=i; str[j] && str[j]!='.'; ++j) {
+			if(j>=jlim) return 0;
+			rhn[j+1]=str[j];
+		}
+		if(!str[j])
+			break;
+		if(j<=i)
+			return 0;
+		rhn[i]=(unsigned char)(j-i);
+		i = j+1;
+	}
+
+	rhn[i]=0;
+	if (j>i || i==0)
+		return 0;
+	return 1;
+}
+
+/*
+  parsestr2rhn is essentially the same as str2rhn, except that it doesn't look beyond
+  the first len chars in the input string. It also tolerates strings
+  not ending in a dot and returns a message in case of an error.
+ */
+const char *parsestr2rhn(const unsigned char *str, unsigned int len, unsigned char *rhn)
+{
+	unsigned int i,j;
+
+	if(len>0 && *str=='.' && (len==1 || !*(str+1))) {
+		/* Special case: root domain */
+		rhn[0]=0;
+		return NULL;
+	}
+
+	i=0;
+	do {
+		unsigned int jlim= i+63;
+		if(jlim>DNSNAMEBUFSIZE-2) jlim=DNSNAMEBUFSIZE-2;
+		for(j=i; j<len && str[j] && str[j]!='.'; ++j) {
+			/* if(!isdchar(str[j]))
+				return "Illegal character in domain name"; */
+			if(j>=jlim)
+				return "Domain name element too long";
+			rhn[j+1]=str[j];
+		}
+
+		if(j<=i) {
+			if(j<len && str[j])
+				return "Empty name element in domain name";
+			else
+				break;
+		}
+
+		rhn[i]=(unsigned char)(j-i);
+		i = j+1;
+	} while(j<len && str[j]);
+
+	rhn[i]=0;
+	if(i==0)
+		return "Empty domain name not allowed";
+	return NULL;
+}
+
+/*
+ * Take a host name as used in the dns transfer protocol (a length byte,
+ * followed by the first part of the name, ..., followed by a 0 length byte),
+ * and return a string in the usual dotted notation. Length checking is done
+ * elsewhere (in decompress_name), this takes names from the cache which are
+ * validated. No more than "size" bytes will be written to the buffer str points to
+ * (but size must be positive).
+ * If the labels in rhn contains non-printable characters, these are represented
+ * in the result by a backslash followed three octal digits. Additionally some
+ * special characters are preceded by a backslash. Normally the result should
+ * fit within DNSNAMEBUFSIZE bytes, but if there are many non-printable characters, the
+ * receiving buffer may not be able to contain the full result. In that case the
+ * truncation in the result is indicated by series of trailing dots. This
+ * function is only used for diagnostic purposes, thus a truncated result should
+ * not be a very serious problem (and should only occur under pathological
+ * circumstances).
+ */
+const unsigned char *rhn2str(const unsigned char *rhn, unsigned char *str, unsigned int size)
+{
+	unsigned int i,j,lb;
+
+	if(size==0) return NULL;
+
+	i=0; j=0;
+	lb=rhn[i++];
+	if (!lb) {
+		if(size>=2)
+			str[j++]='.';
+	}
+	else {
+		do {
+			for (;lb;--lb) {
+				unsigned char c;
+				if(j+2>=size)
+					goto overflow;
+				c=rhn[i++];
+				if(isgraph(c)) {
+					if(c=='.' || c=='\\' || c=='"') {
+						str[j++]='\\';
+						if(j+2>=size)
+							goto overflow;
+					}
+					str[j++]=c;
+				}
+				else {
+					unsigned int rem=size-1-j;
+					int n=snprintf(charp &str[j],rem,"\\%03o",c);
+					if(n<0 || n>=rem) {
+						str[j++]='.';
+						goto overflow;
+					}
+					j+=n;
+				}
+			}
+			str[j++]='.';
+			lb=rhn[i++];
+		} while(lb);
+	}
+	str[j]=0;
+	return str;
+
+ overflow:
+	j=size;
+	str[--j]=0;
+	if(j>0) {
+		str[--j]='.';
+		if(j>0) {
+			str[--j]='.';
+			if(j>0)
+				str[--j]='.';
+		}
+	}
+	return str;
+}
+
+/* Return the length of a domain name in transport format.
+   The definition has in fact been moved to helpers.h as an inline function.
+   Note added by Paul Rombouts:
+   Compared to the definition used by Thomas Moestl (strlen(rhn)+1), the following definition of rhnlen
+   may yield a different result in certain error situations (when a domain name segment contains null byte).
+*/
+#if 0
+unsigned int rhnlen(const unsigned char *rhn)
+{
+	unsigned int i=0,lb;
+
+	while((lb=rhn[i++]))
+		i+=lb;
+	return i;
+}
+#endif
+
+/*
+ * Non-validating rhn copy (use with checked or generated data only).
+ * Returns number of characters copied. The buffer dst points to is assumed to be DNSNAMEBUFSIZE (or
+ * at any rate large enough) bytes in size.
+ * The answer assembly code uses this; it is guaranteed to not clobber anything
+ * after the name.
+ */
+unsigned int rhncpy(unsigned char *dst, const unsigned char *src)
+{
+	unsigned int len = rhnlen(src);
+
+	PDNSD_ASSERT(len<=DNSNAMEBUFSIZE,"rhncpy: src too long!");
+	memcpy(dst,src,len>DNSNAMEBUFSIZE?DNSNAMEBUFSIZE:len);
+	return len;
+}
+
+
+/* Check whether a name is a normal wire-encoded domain name,
+   i.e. is not compressed, doesn't use extended labels and is not
+   too long.
+*/
+int isnormalencdomname(const unsigned char *rhn, unsigned maxlen)
+{
+	unsigned int i,lb;
+
+	if(maxlen>DNSNAMEBUFSIZE)
+		maxlen=DNSNAMEBUFSIZE;
+	for(i=0;;) {
+		if(i>=maxlen) return 0;
+		lb=rhn[i++];
+		if(lb==0)    break;
+		if(lb>0x3f)  return 0;
+		i += lb;
+	}
+
+	return 1;
+}
+
+int str2pdnsd_a(const char *addr, pdnsd_a *a)
+{
+#ifdef ENABLE_IPV4
+	if (run_ipv4) {
+		return inet_aton(addr,&a->ipv4);
+	}
+#endif
+#ifdef ENABLE_IPV6
+	ELSE_IPV6 {
+		/* Try to map an IPv4 address to IPv6 */
+		struct in_addr a4;
+		if(inet_aton(addr,&a4)) {
+			a->ipv6=global.ipv4_6_prefix;
+			((uint32_t *)(&a->ipv6))[3]=a4.s_addr;
+			return 1;
+		}
+		return inet_pton(AF_INET6,addr,&a->ipv6)>0;
+	}
+#endif
+	/* return 0; */
+}
+
+/* definition moved to helpers.h */
+#if 0
+int is_inaddr_any(pdnsd_a *a)
+{
+  return SEL_IPVER( a->ipv4.s_addr==INADDR_ANY,
+		    IN6_IS_ADDR_UNSPECIFIED(&a->ipv6) );
+}
+#endif
+
+/*
+ * This is used for user output only, so it does not matter when an error occurs.
+ */
+const char *pdnsd_a2str(pdnsd_a *a, char *buf, int maxlen)
+{
+	const char *res= SEL_IPVER( inet_ntop(AF_INET,&a->ipv4,buf,maxlen),
+				    inet_ntop(AF_INET6,&a->ipv6,buf,maxlen) );
+	if (!res) {
+		log_error("inet_ntop: %s", strerror(errno));
+		return "?.?.?.?";
+	}
+
+	return res;
+}
+
+
+/* Appropriately set our random device */
+#ifdef R_DEFAULT
+# if (TARGET == TARGET_BSD) && !defined(__NetBSD__)
+#  define R_ARC4RANDOM 1
+# else
+#  define R_RANDOM 1
+# endif
+#endif
+
+#ifdef RANDOM_DEVICE
+FILE *rand_file;
+#endif
+
+#ifdef R_RANDOM
+void init_crandom()
+{
+	struct timeval tv;
+	struct timezone tz;
+
+	gettimeofday(&tv,&tz);
+	srandom(tv.tv_sec^tv.tv_usec); /* not as guessable as time() */
+}
+#endif
+
+/* initialize the PRNG */
+int init_rng()
+{
+#ifdef RANDOM_DEVICE
+	if (!(rand_file=fopen(RANDOM_DEVICE,"r"))) {
+		log_error("Could not open %s.",RANDOM_DEVICE);
+		return 0;
+	}
+#endif
+#ifdef R_RANDOM
+	init_crandom();
+#endif
+	return 1;
+}
+
+/* The following function is now actually defined as a macro in helpers.h */
+#if 0
+void free_rng()
+{
+#ifdef RANDOM_DEVICE
+	if (rand_file)
+		fclose(rand_file);
+#endif
+}
+#endif
+
+/* generate a (more or less) random number 16 bits long. */
+unsigned short get_rand16()
+{
+#ifdef RANDOM_DEVICE
+	unsigned short rv;
+
+	if (rand_file) {
+		if (fread(&rv,sizeof(rv),1, rand_file)!=1) {
+			log_error("Error while reading from random device: %s", strerror(errno));
+			pdnsd_exit();
+		}
+		return rv&0xffff;
+	} else
+		return random()&0xffff;
+#endif
+#ifdef R_RANDOM
+	return random()&0xffff;
+#endif
+#ifdef R_ARC4RANDOM
+	return arc4random()&0xffff;
+#endif
+}
+
+/* fsprintf does formatted output to a file descriptor.
+   The functionality is similar to fprintf, but note that fd
+   is of type int instead of FILE*.
+   This function has been rewritten by Paul Rombouts */
+int fsprintf(int fd, const char *format, ...)
+{
+	int n;
+	va_list va;
+
+	{
+		char buf[256];
+
+		va_start(va,format);
+		n=vsnprintf(buf,sizeof(buf),format,va);
+		va_end(va);
+
+		if(n<(int)sizeof(buf)) {
+			if(n>0) n=write_all(fd,buf,n);
+			return n;
+		}
+	}
+	/* retry with a right sized buffer, needs glibc 2.1 or higher to work */
+	{
+		unsigned bufsize=n+1;
+		char buf[bufsize];
+
+		va_start(va,format);
+		n=vsnprintf(buf,bufsize,format,va);
+		va_end(va);
+
+		if(n>0) n=write_all(fd,buf,n);
+	}
+	return n;
+}
+
+/* Convert data into a hexadecimal representation (for debugging purposes)..
+   The result is stored in the character array buf.
+   If buf is not large enough to hold the result, the
+   truncation is indicated by trailing dots.
+*/
+void hexdump(const void *data, int dlen, char *buf, int buflen)
+{
+	const unsigned char *p=data;
+	int i,j=0;
+	for(i=0;i<dlen;++i) {
+		int rem=buflen-j;
+		int n=snprintf(buf+j, rem, i==0?"%02x":" %02x", p[i]);
+		if(n<0 || n>=rem) goto truncated;
+		j += n;
+	}
+	goto done;
+
+ truncated:
+	if(j>=6) {
+		j -= 3;
+		if(j+4>=buflen)
+			j -= 3;
+		buf[j++]=' ';
+		buf[j++]='.';
+		buf[j++]='.';
+		buf[j++]='.';
+	}
+	else {
+		int ndots=buflen-1;
+		if(ndots>3) ndots=3;
+		j=0;
+		while(j<ndots) buf[j++]='.';
+	}
+ done:
+	buf[j]=0;
+}
+
+/* Copy string "in" to "str" buffer, converting non-printable characters
+   to escape sequences.
+   Returns the length of the output string, or -1 if the result does not
+   fit in the output buffer.
+*/
+int escapestr(const char *in, int ilen, char *str, int size)
+{
+	int i,j=0;
+	for(i=0;i<ilen;++i) {
+		unsigned char c;
+		if(j+1>=size)
+			return -1;
+		c=in[i];
+		if(!isprint(c)) {
+			int rem=size-j;
+			int n=snprintf(&str[j],rem,"\\%03o",c);
+			if(n<0 || n>=rem) {
+				return -1;
+			}
+			j+=n;
+		}
+		else {
+			if(c=='\\' || c=='"') {
+				str[j++]='\\';
+				if(j+1>=size)
+					return -1;
+			}
+			str[j++]=c;
+		}
+	}
+	str[j]=0;
+	return j;
+}
+
+/*
+ * This is not like strcmp, but will return 1 on match or 0 if the
+ * strings are different.
+ */
+/* definition moved to helpers.h as an inline function. */
+#if 0
+int stricomp(char *a, char *b)
+{
+	int i;
+	if (strlen(a) != strlen(b))
+		return 0;
+	for (i=0;i<strlen(a);i++) {
+		if (tolower(a[i])!=tolower(b[i]))
+			return 0;
+	}
+	return 1;
+}
+#endif
+
+/* Bah. I want strlcpy */
+/* definition moved to helpers.h */
+#if 0
+int strncp(char *dst, char *src, int dstsz)
+{
+	char o;
+
+	strncpy(dst,src,dstsz);
+	o=dst[dstsz-1];
+	dst[dstsz-1]='\0';
+	if (strlen(dst) >= dstsz-1 && o!='\0')
+		return 0;
+	return 1;
+}
+#endif
+
+#ifndef HAVE_GETLINE
+/* Note by Paul Rombouts: I know that getline is a GNU extension and is not really portable,
+   but the alternative standard functions have some real problems.
+   The following substitute does not have exactly the same semantics as the GNU getline,
+   but it should be good enough, as long as the stream doesn't contain any null chars.
+   This version is actually based on fgets_realloc() that I found in the WWWOFFLE source.
+*/
+
+#define BUFSIZE 256
+int getline(char **lineptr, size_t *n, FILE *stream)
+{
+	char *line=*lineptr;
+	size_t sz=*n,i;
+
+	if(!line || sz<BUFSIZE) {
+		sz=BUFSIZE;
+		line = realloc(line,sz);
+		if(!line) return -1;
+		*lineptr=line;
+		*n=sz;
+	}
+
+	for (i=0;;) {
+		char *lni;
+
+		if(!(lni=fgets(line+i,sz-i,stream))) {
+			if(i && feof(stream))
+				break;
+			else
+				return -1;
+		}
+
+		i += strlen(lni);
+
+		if(i<sz-1 || line[i-1]=='\n')
+			break;
+
+		sz += BUFSIZE;
+		line = realloc(line,sz);
+		if(!line) return -1;
+		*lineptr=line;
+		*n=sz;
+	}
+
+	return i;
+}
+#undef BUFSIZE
+#endif
+
+
+#ifndef HAVE_VASPRINTF
+/* On systems where the macro va_copy is not available, hopefully simple assignment will work.
+   Otherwise, I don't see any portable way of defining vasprintf() (without using a completely
+   different algorithm).
+*/
+#ifndef va_copy
+# ifdef __va_copy
+#  define va_copy __va_copy
+# else
+#  warning "No va_copy or __va_copy macro found, trying simple assignment."
+#  define va_copy(dst,src) ((dst)=(src))
+# endif
+#endif
+
+int vasprintf (char **lineptr, const char *format, va_list va)
+{
+	int sz=128,n;
+	char *line=malloc(sz);
+	va_list vasave;
+
+	if(!line) return -1;
+
+	va_copy(vasave,va);
+	n=vsnprintf(line,sz,format,va);
+
+	if(n>=sz) {
+		/* retry with a right sized buffer, needs glibc 2.1 or higher to work */
+		sz=n+1;
+		{
+			char *tmp=realloc(line,sz);
+			if(tmp) {
+				line=tmp;
+				n=vsnprintf(line,sz,format,vasave);
+			}
+			else
+				n= -1;
+		}
+	}
+	va_end(vasave);
+
+	if(n>=0)
+		*lineptr=line;
+	else
+		free(line);
+	return n;
+}
+#endif
+
+#ifndef HAVE_ASPRINTF
+int asprintf (char **lineptr, const char *format, ...)
+{
+	int n;
+	va_list va;
+
+	va_start(va,format);
+	n=vasprintf(lineptr,format,va);
+	va_end(va);
+
+	return n;
+}
+#endif
+
+#ifndef HAVE_INET_NTOP
+const char *inet_ntop(int af, const void *src, char *dst, size_t size)
+{
+	const char *rc = NULL;
+
+	if (src != NULL && dst != NULL && size > 0) {
+		switch (af) {
+		case AF_INET:
+		{
+			const unsigned char *p=src;
+			int n = snprintf(dst, size, "%u.%u.%u.%u",
+					 p[0],p[1],p[2],p[3]);
+			if (n >= 0 && n < size) rc = dst;
+		}
+		break;
+
+#ifdef AF_INET6
+		case AF_INET6:
+		{
+			const unsigned char *p=src;
+			unsigned int i,offs=0;
+			for (i=0;i<16;i+=2) {
+				int n=snprintf(dst+offs, size-offs,i==0?"%x":":%x", ((unsigned)p[i]<<8)|p[i+1]);
+				if(n<0) return NULL;
+				offs+=n;
+				if(offs>=size) return NULL;
+			}
+			rc = dst;
+		}
+		break;
+#endif
+		}
+	}
+
+	return rc;
+}
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/helpers.h b/orbotservice/src/main/jni/pdnsd/src/helpers.h
new file mode 100644
index 0000000..e45c56e
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/helpers.h
@@ -0,0 +1,319 @@
+/* helpers.h - Various helper functions
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2004, 2007, 2009, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef HELPERS_H
+#define HELPERS_H
+
+#include <config.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include "cache.h"
+#include "pdnsd_assert.h"
+
+#define SOFTLOCK_MAXTRIES 1000
+
+int run_as(const char *user);
+void pdnsd_exit(void);
+int softlock_mutex(pthread_mutex_t *mutex);
+
+#if 0
+inline static int isdchar (unsigned char c)
+{
+  return ((c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9') || c=='-'
+#ifdef UNDERSCORE
+	  || c=='_'
+#endif
+	  );
+}
+#endif
+
+const unsigned char *rhn2str(const unsigned char *rhn, unsigned char *str, unsigned int size);
+int  str2rhn(const unsigned char *str, unsigned char *rhn);
+const char *parsestr2rhn(const unsigned char *str, unsigned int len, unsigned char *rhn);
+
+/* Note added by Paul Rombouts:
+   Compared to the definition used by Thomas Moestl (strlen(rhn)+1), the following definition of rhnlen
+   may yield a different result in certain error situations (when a domain name segment contains a null byte).
+*/
+inline static unsigned int rhnlen(const unsigned char *rhn)
+  __attribute__((always_inline));
+inline static unsigned int rhnlen(const unsigned char *rhn)
+{
+	unsigned int i=0,lb;
+
+	while((lb=rhn[i++]))
+		i+=lb;
+	return i;
+}
+
+/* Skip k segments in a name in length-byte string notation. */
+inline static const unsigned char *skipsegs(const unsigned char *nm, unsigned k)
+  __attribute__((always_inline));
+inline static const unsigned char *skipsegs(const unsigned char *nm, unsigned k)
+{
+	unsigned lb;
+	for(;k && (lb= *nm); --k) {
+		nm += lb+1;
+	}
+	return nm;
+}
+
+/* Skip a name in length-byte string notation and return a pointer to the
+   position right after the terminating null byte.
+*/
+inline static unsigned char *skiprhn(unsigned char *rhn)
+  __attribute__((always_inline));
+inline static unsigned char *skiprhn(unsigned char *rhn)
+{
+	unsigned lb;
+
+	while((lb= *rhn++))
+		rhn += lb;
+	return rhn;
+}
+
+/* count the number of name segments of a name in length-byte string notation. */
+inline static unsigned int rhnsegcnt(const unsigned char *rhn)
+  __attribute__((always_inline));
+inline static unsigned int rhnsegcnt(const unsigned char *rhn)
+{
+	unsigned int res=0,lb;
+
+	while((lb= *rhn)) {
+		++res;
+		rhn += lb+1;
+	}
+	return res;
+}
+
+unsigned int rhncpy(unsigned char *dst, const unsigned char *src);
+int isnormalencdomname(const unsigned char *rhn, unsigned maxlen);
+
+inline static int is_inaddr_any(pdnsd_a *a)  __attribute__((always_inline));
+inline static int is_inaddr_any(pdnsd_a *a)
+{
+  return SEL_IPVER( a->ipv4.s_addr==INADDR_ANY,
+		    IN6_IS_ADDR_UNSPECIFIED(&a->ipv6) );
+}
+
+
+inline static int same_inaddr(pdnsd_a *a, pdnsd_a *b)
+  __attribute__((always_inline));
+inline static int same_inaddr(pdnsd_a *a, pdnsd_a *b)
+{
+  return SEL_IPVER( a->ipv4.s_addr==b->ipv4.s_addr,
+		    IN6_ARE_ADDR_EQUAL(&a->ipv6,&b->ipv6) );
+}
+
+/* Compare a pdnsd_a*  with a pdnsd_a2*. */
+inline static int same_inaddr2(pdnsd_a *a, pdnsd_a2 *b)
+  __attribute__((always_inline));
+inline static int same_inaddr2(pdnsd_a *a, pdnsd_a2 *b)
+{
+  return SEL_IPVER( a->ipv4.s_addr==b->ipv4.s_addr,
+		    IN6_ARE_ADDR_EQUAL(&a->ipv6,&b->ipv6) && b->ipv4.s_addr==INADDR_ANY );
+}
+
+inline static int equiv_inaddr2(pdnsd_a *a, pdnsd_a2 *b)
+  __attribute__((always_inline));
+inline static int equiv_inaddr2(pdnsd_a *a, pdnsd_a2 *b)
+{
+  return SEL_IPVER( a->ipv4.s_addr==b->ipv4.s_addr,
+		    IN6_ARE_ADDR_EQUAL(&a->ipv6,&b->ipv6) ||
+		     (b->ipv4.s_addr!=INADDR_ANY && ADDR_EQUIV6_4(&a->ipv6,&b->ipv4)) );
+}
+
+int str2pdnsd_a(const char *addr, pdnsd_a *a);
+const char *pdnsd_a2str(pdnsd_a *a, char *buf, int maxlen);
+
+int init_rng(void);
+#ifdef RANDOM_DEVICE
+extern FILE *rand_file;
+/* Because this is usually empty, it is now defined as a macro to save overhead.*/
+#define free_rng() {if (rand_file) fclose(rand_file);}
+#else
+#define free_rng()
+#endif
+
+unsigned short get_rand16(void);
+
+int fsprintf(int fd, const char *format, ...) printfunc(2, 3);
+#if !defined(CPP_C99_VARIADIC_MACROS)
+/* GNU C Macro Varargs style. */
+# define fsprintf_or_return(args...) {int _retval; if((_retval=fsprintf(args))<0) return _retval;}
+#else
+/* ANSI C99 style variadic macro. */
+# define fsprintf_or_return(...) {int _retval; if((_retval=fsprintf(__VA_ARGS__))<0) return _retval;}
+#endif
+
+/* Added by Paul Rombouts */
+inline static ssize_t write_all(int fd,const void *data,size_t n)
+  __attribute__((always_inline));
+inline static ssize_t write_all(int fd,const void *data,size_t n)
+{
+  ssize_t written=0;
+
+  while(written<n) {
+      ssize_t m=write(fd,(const void*)(((const char*)data)+written),n-written);
+
+      if(m<0)
+	return m;
+
+      written+=m;
+    }
+
+  return written;
+}
+
+void hexdump(const void *data, int dlen, char *buf, int buflen);
+int escapestr(const char *in, int ilen, char *str, int size);
+
+#if 0
+inline static int stricomp(const char *a, const char *b)
+{
+  return !strcasecmp(a,b);
+}
+#endif
+
+/* compare two names in length byte - string format
+   rhnicmp returns 1 if the names are the same (ignoring upper/lower case),
+   0 otherwise.
+ */
+inline static int rhnicmp(const unsigned char *a, const unsigned char *b)
+  __attribute__((always_inline));
+inline static int rhnicmp(const unsigned char *a, const unsigned char *b)
+{
+	unsigned int i=0;
+	unsigned char lb;
+	for(;;) {
+		lb=a[i];
+		if(lb!=b[i]) return 0;
+		if(!lb) break;
+		++i;
+		do {
+			if(tolower(a[i])!=tolower(b[i])) return 0;
+			++i;
+		} while(--lb);
+	}
+	return 1;
+}
+
+/* Bah. I want strlcpy. */
+inline static int strncp(char *dst, const char *src, size_t dstsz)
+  __attribute__((always_inline));
+inline static int strncp(char *dst, const char *src, size_t dstsz)
+{
+#ifdef HAVE_STRLCPY
+	return (strlcpy(dst,src,dstsz)<dstsz);
+#else
+#ifdef HAVE_STPNCPY
+	char *p=stpncpy(dst,src,dstsz);
+	if(p<dst+dstsz) return 1;
+	*(p-1)='\0';
+	return 0;
+#else
+	strncpy(dst,src,dstsz);
+	if(strlen(src)<dstsz) return 1;
+	dst[dstsz-1]='\0';
+	return 0;
+#endif
+#endif
+}
+
+#ifndef HAVE_STRDUP
+inline static char *strdup(const char *s)
+  __attribute__((always_inline));
+inline static char *strdup(const char *s)
+{
+	size_t sz=strlen(s)+1;
+	char *cp=malloc(sz);
+	if(cp)
+		memcpy(cp,s,sz);
+	return cp;
+}
+#endif
+
+#ifndef HAVE_STRNDUP
+/* This version may allocate a buffer that is unnecessarily large,
+   but I'm always going to use it with n<strlen(s)
+*/
+inline static char *strndup(const char *s, size_t n)
+  __attribute__((always_inline));
+inline static char *strndup(const char *s, size_t n)
+{
+	char *cp;
+	cp=malloc(n+1);
+	if(cp) {
+		memcpy(cp,s,n);
+		cp[n]='\0';
+	}
+	return cp;
+}
+#endif
+
+#ifndef HAVE_STPCPY
+inline static char *stpcpy (char *dest, const char *src)
+  __attribute__((always_inline));
+inline static char *stpcpy (char *dest, const char *src)
+{
+  register char *d = dest;
+  register const char *s = src;
+
+  while ((*d++ = *s++) != '\0');
+
+  return d - 1;
+}
+#endif
+
+#ifndef HAVE_MEMPCPY
+inline static void *mempcpy(void *dest, const void *src, size_t len)
+  __attribute__((always_inline));
+inline static void *mempcpy(void *dest, const void *src, size_t len)
+{
+  memcpy(dest,src,len);
+  return ((char *)dest)+len;
+}
+#endif
+
+#ifndef HAVE_GETLINE
+int getline(char **lineptr, size_t *n, FILE *stream);
+#endif
+
+#ifndef HAVE_ASPRINTF
+int asprintf (char **lineptr, const char *format, ...);
+#endif
+
+#ifndef HAVE_VASPRINTF
+#include <stdarg.h>
+int vasprintf (char **lineptr, const char *format, va_list va);
+#endif
+
+#ifndef HAVE_INET_NTOP
+const char *inet_ntop(int af, const void *src, char *dst, size_t size);
+#endif
+
+#define strlitlen(strlit) (sizeof(strlit)-1)
+
+#endif /* HELPERS_H */
diff --git a/orbotservice/src/main/jni/pdnsd/src/icmp.c b/orbotservice/src/main/jni/pdnsd/src/icmp.c
new file mode 100644
index 0000000..6e3e46f
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/icmp.c
@@ -0,0 +1,544 @@
+/* icmp.c - Server response tests using ICMP echo requests
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2003, 2005, 2007, 2012 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * This should now work on both Linux and FreeBSD (and CYGWIN?). If anyone
+ * with experience in other Unix flavors wants to contribute platform-specific
+ * code, he is very welcome.
+ */
+
+#include <config.h>
+#ifdef HAVE_SYS_POLL_H
+#include <sys/poll.h>
+#endif
+#include <sys/time.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include "ipvers.h"
+#if (TARGET==TARGET_LINUX)
+# include <netinet/ip.h>
+# include <linux/types.h>
+# include <linux/icmp.h>
+#elif (TARGET==TARGET_BSD)
+# include <netinet/in_systm.h>
+# include <netinet/ip.h>
+# include <netinet/ip_icmp.h>
+#elif (TARGET==TARGET_CYGWIN)
+# include <netinet/ip.h>
+# include <netinet/in_systm.h>
+# include <netinet/ip_icmp.h>
+# include "freebsd_netinet_ip_icmp.h"
+#else
+# error Unsupported platform!
+#endif
+#ifdef ENABLE_IPV6
+# include <netinet/ip6.h>
+# include <netinet/icmp6.h>
+#endif
+#include <netdb.h>
+#include "icmp.h"
+#include "error.h"
+#include "helpers.h"
+#include "servers.h"
+
+
+#define ICMP_MAX_ERRS 10
+static volatile unsigned long icmp_errs=0; /* This is only here to minimize log output.
+					      Since the consequences of a race is only
+					      one log message more/less (out of
+					      ICMP_MAX_ERRS), no lock is required. */
+
+volatile int ping_isocket=-1;
+#ifdef ENABLE_IPV6
+volatile int ping6_isocket=-1;
+#endif
+
+/* different names, same thing... be careful, as these are macros... */
+#if (TARGET==TARGET_LINUX)
+# define ip_saddr  saddr
+# define ip_daddr  daddr
+# define ip_hl     ihl
+# define ip_p	   protocol
+#else
+# define icmphdr   icmp
+# define iphdr     ip
+# define ip_saddr  ip_src.s_addr
+# define ip_daddr  ip_dst.s_addr
+#endif
+
+#if (TARGET==TARGET_LINUX)
+# define icmp_type  type
+# define icmp_code  code
+# define icmp_cksum checksum
+# define icmp_id un.echo.id
+# define icmp_seq un.echo.sequence
+#else
+# define ICMP_DEST_UNREACH  ICMP_UNREACH
+# define ICMP_TIME_EXCEEDED ICMP_TIMXCEED
+#endif
+
+#define ICMP_BASEHDR_LEN  8
+#define ICMP4_ECHO_LEN    ICMP_BASEHDR_LEN
+
+#if (TARGET==TARGET_LINUX) || (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)
+/*
+ * These are the ping implementations for Linux/FreeBSD in their IPv4/ICMPv4 and IPv6/ICMPv6 versions.
+ * I know they share some code, but I'd rather keep them separated in some parts, as some
+ * things might go in different directions there.
+ */
+
+/* Initialize the sockets for pinging */
+void init_ping_socket()
+{
+	if ((ping_isocket=socket(PF_INET, SOCK_RAW, IPPROTO_ICMP))==-1) {
+		log_warn("icmp ping: socket() failed: %s",strerror(errno));
+	}
+#ifdef ENABLE_IPV6
+	if (!run_ipv4)  {
+		/* Failure to initialize the IPv4 ping socket is not
+		   necessarily a problem, as long as the IPv6 version works. */
+		if ((ping6_isocket=socket(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6))==-1) {
+			log_warn("icmpv6 ping: socket() failed: %s",strerror(errno));
+		}
+	}
+#endif
+}
+
+/* Takes a packet as send out and a received ICMP packet and looks whether the ICMP packet is
+ * an error reply on the sent-out one. packet is only the packet (without IP header).
+ * errmsg includes an IP header.
+ * to is the destination address of the original packet (the only thing that is actually
+ * compared of the IP header). The RFC says that we get at least 8 bytes of the offending packet.
+ * We do not compare more, as this is all we need.*/
+static int icmp4_errcmp(char *packet, int plen, struct in_addr *to, char *errmsg, int elen, int errtype)
+{
+	struct iphdr iph;
+	struct icmphdr icmph;
+	struct iphdr eiph;
+	char *data;
+
+	/* XXX: lots of memcpy to avoid unaligned accesses on alpha */
+	if (elen<sizeof(struct iphdr))
+		return 0;
+	memcpy(&iph,errmsg,sizeof(iph));
+	if (iph.ip_p!=IPPROTO_ICMP || elen<iph.ip_hl*4+ICMP_BASEHDR_LEN+sizeof(eiph))
+		return 0;
+	PDNSD_ASSERT(sizeof(icmph) >= ICMP_BASEHDR_LEN, "icmp4_errcmp: ICMP_BASEHDR_LEN botched");
+	memcpy(&icmph,errmsg+iph.ip_hl*4,ICMP_BASEHDR_LEN);
+	memcpy(&eiph,errmsg+iph.ip_hl*4+ICMP_BASEHDR_LEN,sizeof(eiph));
+	if (elen<iph.ip_hl*4+ICMP_BASEHDR_LEN+eiph.ip_hl*4+8)
+		return 0;
+	data=errmsg+iph.ip_hl*4+ICMP_BASEHDR_LEN+eiph.ip_hl*4;
+	return icmph.icmp_type==errtype && memcmp(&to->s_addr, &eiph.ip_daddr, sizeof(to->s_addr))==0 &&
+		memcmp(data, packet, plen<8?plen:8)==0;
+}
+
+/* IPv4/ICMPv4 ping. Called from ping (see below) */
+static int ping4(struct in_addr addr, int timeout, int rep)
+{
+	int i;
+	int isock;
+#if (TARGET==TARGET_LINUX)
+	struct icmp_filter f;
+#endif
+	unsigned short id=(unsigned short)get_rand16(); /* randomize a ping id */
+
+	isock=ping_isocket;
+
+#if (TARGET==TARGET_LINUX)
+	/* Fancy ICMP filering -- only on Linux (as far is I know) */
+
+	/* In fact, there should be macros for treating icmp_filter, but I haven't found them in Linux 2.2.15.
+	 * So, set it manually and unportable ;-) */
+	/* This filter lets ECHO_REPLY (0), DEST_UNREACH(3) and TIME_EXCEEDED(11) pass. */
+	/* !(0000 1000 0000 1001) = 0xff ff f7 f6 */
+	f.data=0xfffff7f6;
+	if (setsockopt(isock,SOL_RAW,ICMP_FILTER,&f,sizeof(f))==-1) {
+		if (++icmp_errs<=ICMP_MAX_ERRS) {
+			log_warn("icmp ping: setsockopt() failed: %s", strerror(errno));
+		}
+		return -1;
+	}
+#endif
+
+	for (i=0;i<rep;i++) {
+		struct sockaddr_in from,to;
+		struct icmphdr icmpd;
+		unsigned long sum;
+		uint16_t *ptr;
+		long tm,tpassed;
+		int j;
+
+		icmpd.icmp_type=ICMP_ECHO;
+		icmpd.icmp_code=0;
+		icmpd.icmp_cksum=0;
+		icmpd.icmp_id=htons((uint16_t)id);
+		icmpd.icmp_seq=htons((uint16_t)i);
+
+		/* Checksumming - Algorithm taken from nmap. Thanks... */
+
+		ptr=(uint16_t *)&icmpd;
+		sum=0;
+
+		for (j=0;j<4;j++) {
+			sum+=*ptr++;
+		}
+		sum = (sum >> 16) + (sum & 0xffff);
+		sum += (sum >> 16);
+		icmpd.icmp_cksum=~sum;
+
+		memset(&to,0,sizeof(to));
+		to.sin_family=AF_INET;
+		to.sin_port=0;
+		to.sin_addr=addr;
+		SET_SOCKA_LEN4(to);
+		if (sendto(isock,&icmpd,ICMP4_ECHO_LEN,0,(struct sockaddr *)&to,sizeof(to))==-1) {
+			if (++icmp_errs<=ICMP_MAX_ERRS) {
+				log_warn("icmp ping: sendto() failed: %s.",strerror(errno));
+			}
+			return -1;
+		}
+		/* listen for reply. */
+		tm=time(NULL); tpassed=0;
+		do {
+			int psres;
+#ifdef NO_POLL
+			fd_set fds,fdse;
+			struct timeval tv;
+			FD_ZERO(&fds);
+			PDNSD_ASSERT(isock<FD_SETSIZE,"socket file descriptor exceeds FD_SETSIZE.");
+			FD_SET(isock, &fds);
+			fdse=fds;
+			tv.tv_usec=0;
+			tv.tv_sec=timeout>tpassed?timeout-tpassed:0;
+			/* There is a possible race condition with the arrival of a signal here,
+			   but it is so unlikely to be a problem in practice that the effort
+			   to do this properly is not worth the trouble.
+			*/
+			if(is_interrupted_servstat_thread()) {
+				DEBUG_MSG("server status thread interrupted.\n");
+				return -1;
+			}
+			psres=select(isock+1,&fds,NULL,&fdse,&tv);
+#else
+			struct pollfd pfd;
+			pfd.fd=isock;
+			pfd.events=POLLIN;
+			/* There is a possible race condition with the arrival of a signal here,
+			   but it is so unlikely to be a problem in practice that the effort
+			   to do this properly is not worth the trouble.
+			*/
+			if(is_interrupted_servstat_thread()) {
+				DEBUG_MSG("server status thread interrupted.\n");
+				return -1;
+			}
+			psres=poll(&pfd,1,timeout>tpassed?(timeout-tpassed)*1000:0);
+#endif
+
+			if (psres<0) {
+				if(errno==EINTR && is_interrupted_servstat_thread()) {
+					DEBUG_MSG("poll/select interrupted in server status thread.\n");
+				}
+				else if (++icmp_errs<=ICMP_MAX_ERRS) {
+					log_warn("poll/select failed: %s",strerror(errno));
+				}
+				return -1;
+			}
+			if (psres==0)  /* timed out */
+				break;
+
+#ifdef NO_POLL
+			if (FD_ISSET(isock,&fds) || FD_ISSET(isock,&fdse))
+#else
+			if (pfd.revents&(POLLIN|POLLERR))
+#endif
+			{
+				char buf[1024];
+				socklen_t sl=sizeof(from);
+				int len;
+
+				if ((len=recvfrom(isock,&buf,sizeof(buf),0,(struct sockaddr *)&from,&sl))!=-1) {
+					if (len>sizeof(struct iphdr)) {
+						struct iphdr iph;
+
+						memcpy(&iph, buf, sizeof(iph));
+						if (len-iph.ip_hl*4>=ICMP_BASEHDR_LEN) {
+							struct icmphdr icmpp;
+
+							memcpy(&icmpp, ((uint32_t *)buf)+iph.ip_hl, sizeof(icmpp));
+							if (iph.ip_saddr==addr.s_addr && icmpp.icmp_type==ICMP_ECHOREPLY &&
+							    ntohs(icmpp.icmp_id)==id && ntohs(icmpp.icmp_seq)<=i) {
+								return (i-ntohs(icmpp.icmp_seq))*timeout+(time(NULL)-tm); /* return the number of ticks */
+							} else {
+								/* No regular echo reply. Maybe an error? */
+								if (icmp4_errcmp((char *)&icmpd, ICMP4_ECHO_LEN, &to.sin_addr, buf, len, ICMP_DEST_UNREACH) ||
+								    icmp4_errcmp((char *)&icmpd, ICMP4_ECHO_LEN, &to.sin_addr, buf, len, ICMP_TIME_EXCEEDED)) {
+									return -1;
+								}
+							}
+						}
+					}
+				} else {
+					return -1; /* error */
+				}
+			}
+			else {
+				if (++icmp_errs<=ICMP_MAX_ERRS) {
+					log_error("Unhandled poll/select event in ping4() at %s, line %d.",__FILE__,__LINE__);
+				}
+				return -1;
+			}
+			tpassed=time(NULL)-tm;
+		} while (tpassed<timeout);
+	}
+	return -1; /* no answer */
+}
+
+
+#ifdef ENABLE_IPV6
+
+/* Takes a packet as send out and a received ICMPv6 packet and looks whether the ICMPv6 packet is
+ * an error reply on the sent-out one. packet is only the packet (without IPv6 header).
+ * errmsg does not include an IPv6 header. to is the address the sent packet went to.
+ * This is specialized for icmpv6: It zeros out the checksum field, which is filled in
+ * by the kernel, and expects that the checksum field in the sent-out packet is zeroed out too
+ * We need a little magic to parse the answer, as there could be extension headers present, end
+ * we don't know their length a priori.*/
+static int icmp6_errcmp(char *packet, int plen, struct in6_addr *to, char *errmsg, int elen, int errtype)
+{
+	struct icmp6_hdr icmph;
+	struct ip6_hdr eiph;
+	struct ip6_hbh hbh;
+	char *data;
+	int rlen,nxt;
+
+	/* XXX: lots of memcpy here to avoid unaligned access faults on alpha */
+	if (elen<sizeof(icmph)+sizeof(eiph))
+		return 0;
+	memcpy(&icmph,errmsg,sizeof(icmph));
+	memcpy(&eiph,errmsg+sizeof(icmph),sizeof(eiph));
+	if (!IN6_ARE_ADDR_EQUAL(&eiph.ip6_dst, to))
+		return 0;
+	rlen=elen-sizeof(icmph)-sizeof(eiph);
+	data=errmsg+sizeof(icmph)+sizeof(eiph);
+	nxt=eiph.ip6_nxt;
+	/* Now, jump over any known option header that might be present, and then
+	 * try to compare the packets. */
+	while (nxt!=IPPROTO_ICMPV6) {
+		/* Those are the headers we understand. */
+		if (nxt!=IPPROTO_HOPOPTS && nxt!=IPPROTO_ROUTING && nxt!=IPPROTO_DSTOPTS)
+			return 0;
+		if (rlen<sizeof(hbh))
+			return 0;
+		memcpy(&hbh,data,sizeof(hbh));
+		if (rlen<hbh.ip6h_len)
+			return 0;
+		rlen-=hbh.ip6h_len;
+		nxt=hbh.ip6h_nxt;
+		data+=hbh.ip6h_len;
+	}
+	if (rlen<sizeof(struct icmp6_hdr))
+		return 0;
+	/* Zero out the checksum of the enclosed ICMPv6 header, it is kernel-filled in the original data */
+	memset(((char *)data)+offsetof(struct icmp6_hdr,icmp6_cksum),0,sizeof(icmph.icmp6_cksum));
+	return icmph.icmp6_type==errtype && memcmp(data, packet, plen<rlen?plen:rlen)==0;
+}
+
+/* IPv6/ICMPv6 ping. Called from ping (see below) */
+static int ping6(struct in6_addr a, int timeout, int rep)
+{
+	int i;
+/*	int ck_offs=2;*/
+	int isock;
+	struct icmp6_filter f;
+	unsigned short id=(unsigned short)(rand()&0xffff); /* randomize a ping id */
+
+	isock=ping6_isocket;
+
+	ICMP6_FILTER_SETBLOCKALL(&f);
+	ICMP6_FILTER_SETPASS(ICMP6_ECHO_REPLY,&f);
+	ICMP6_FILTER_SETPASS(ICMP6_DST_UNREACH,&f);
+	ICMP6_FILTER_SETPASS(ICMP6_TIME_EXCEEDED,&f);
+
+	if (setsockopt(isock,IPPROTO_ICMPV6,ICMP6_FILTER,&f,sizeof(f))==-1) {
+		if (++icmp_errs<=ICMP_MAX_ERRS) {
+			log_warn("icmpv6 ping: setsockopt() failed: %s", strerror(errno));
+		}
+		return -1;
+	}
+
+	for (i=0;i<rep;i++) {
+		struct sockaddr_in6 from;
+		struct icmp6_hdr icmpd;
+		long tm,tpassed;
+
+		icmpd.icmp6_type=ICMP6_ECHO_REQUEST;
+		icmpd.icmp6_code=0;
+		icmpd.icmp6_cksum=0; /* The friendly kernel does fill that in for us. */
+		icmpd.icmp6_id=htons((uint16_t)id);
+		icmpd.icmp6_seq=htons((uint16_t)i);
+
+		memset(&from,0,sizeof(from));
+		from.sin6_family=AF_INET6;
+		from.sin6_flowinfo=IPV6_FLOWINFO;
+		from.sin6_port=0;
+		from.sin6_addr=a;
+		SET_SOCKA_LEN6(from);
+		if (sendto(isock,&icmpd,sizeof(icmpd),0,(struct sockaddr *)&from,sizeof(from))==-1) {
+			if (++icmp_errs<=ICMP_MAX_ERRS) {
+				log_warn("icmpv6 ping: sendto() failed: %s.",strerror(errno));
+			}
+			return -1;
+		}
+		/* listen for reply. */
+		tm=time(NULL); tpassed=0;
+		do {
+			int psres;
+#ifdef NO_POLL
+			fd_set fds,fdse;
+			struct timeval tv;
+			FD_ZERO(&fds);
+			PDNSD_ASSERT(isock<FD_SETSIZE,"socket file descriptor exceeds FD_SETSIZE.");
+			FD_SET(isock, &fds);
+			fdse=fds;
+			tv.tv_usec=0;
+			tv.tv_sec=timeout>tpassed?timeout-tpassed:0;
+			/* There is a possible race condition with the arrival of a signal here,
+			   but it is so unlikely to be a problem in practice that the effort
+			   to do this properly is not worth the trouble.
+			*/
+			if(is_interrupted_servstat_thread()) {
+				DEBUG_MSG("server status thread interrupted.\n");
+				return -1;
+			}
+			psres=select(isock+1,&fds,NULL,&fdse,&tv);
+#else
+			struct pollfd pfd;
+			pfd.fd=isock;
+			pfd.events=POLLIN;
+			/* There is a possible race condition with the arrival of a signal here,
+			   but it is so unlikely to be a problem in practice that the effort
+			   to do this properly is not worth the trouble.
+			*/
+			if(is_interrupted_servstat_thread()) {
+				DEBUG_MSG("server status thread interrupted.\n");
+				return -1;
+			}
+			psres=poll(&pfd,1,timeout>tpassed?(timeout-tpassed)*1000:0);
+#endif
+
+			if (psres<0) {
+				if(errno==EINTR && is_interrupted_servstat_thread()) {
+					DEBUG_MSG("poll/select interrupted in server status thread.\n");
+				}
+				else if (++icmp_errs<=ICMP_MAX_ERRS) {
+					log_warn("poll/select failed: %s",strerror(errno));
+				}
+				return -1;
+			}
+			if (psres==0)  /* timed out */
+				break;
+
+#ifdef NO_POLL
+			if (FD_ISSET(isock,&fds) || FD_ISSET(isock,&fdse))
+#else
+			if (pfd.revents&(POLLIN|POLLERR))
+#endif
+			{
+				char buf[1024];
+				socklen_t sl=sizeof(from);
+				int len;
+				if ((len=recvfrom(isock,&buf,sizeof(buf),0,(struct sockaddr *)&from,&sl))!=-1) {
+					if (len>=sizeof(struct icmp6_hdr)) {
+						/* we get packets without IPv6 header, luckily */
+						struct icmp6_hdr icmpp;
+
+						memcpy(&icmpp, buf, sizeof(icmpp));
+						if (IN6_ARE_ADDR_EQUAL(&from.sin6_addr,&a) &&
+						    ntohs(icmpp.icmp6_id)==id && ntohs(icmpp.icmp6_seq)<=i) {
+							return (i-ntohs(icmpp.icmp6_seq))*timeout+(time(NULL)-tm); /* return the number of ticks */
+						} else {
+							/* No regular echo reply. Maybe an error? */
+							if (icmp6_errcmp((char *)&icmpd, sizeof(icmpd), &from.sin6_addr, buf, len, ICMP6_DST_UNREACH) ||
+							    icmp6_errcmp((char *)&icmpd, sizeof(icmpd), &from.sin6_addr, buf, len, ICMP6_TIME_EXCEEDED)) {
+								return -1;
+							}
+						}
+					}
+				} else {
+					return -1; /* error */
+				}
+			}
+			else {
+				if (++icmp_errs<=ICMP_MAX_ERRS) {
+					log_error("Unhandled poll/select event in ping6() at %s, line %d.",__FILE__,__LINE__);
+				}
+				return -1;
+			}
+			tpassed=time(NULL)-tm;
+		} while (tpassed<timeout);
+	}
+	return -1; /* no answer */
+}
+#endif /* ENABLE_IPV6*/
+
+
+/* Perform an icmp ping on a host, returning -1 on timeout or
+ * "host unreachable" or the ping time in 10ths of secs
+ * (but actually, we are not that accurate any more).
+ * timeout in 10ths of seconds, rep is the repetition count
+ */
+int ping(pdnsd_a *addr, int timeout, int rep)
+{
+
+	if (SEL_IPVER(ping_isocket,ping6_isocket) == -1)
+		return -1;
+
+	/* We were given a timeout in 10ths of seconds,
+	   but ping4 and ping6 want a timeout in seconds. */
+	timeout /= 10;
+
+#ifdef ENABLE_IPV4
+	if (run_ipv4)
+		return ping4(addr->ipv4,timeout,rep);
+#endif
+#ifdef ENABLE_IPV6
+	ELSE_IPV6 {
+		/* If it is a IPv4 mapped IPv6 address, we prefer ICMPv4. */
+		if (ping_isocket!=-1 && IN6_IS_ADDR_V4MAPPED(&addr->ipv6)) {
+			struct in_addr v4;
+			v4.s_addr=((uint32_t *)&addr->ipv6)[3];
+			return ping4(v4,timeout,rep);
+		} else
+			return ping6(addr->ipv6,timeout,rep);
+	}
+#endif
+	return -1;
+}
+
+#else
+# error "Huh! No OS macro defined!"
+#endif /*(TARGET==TARGET_LINUX) || (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)*/
diff --git a/orbotservice/src/main/jni/pdnsd/src/icmp.h b/orbotservice/src/main/jni/pdnsd/src/icmp.h
new file mode 100644
index 0000000..3fa6778
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/icmp.h
@@ -0,0 +1,43 @@
+/* icmp.h - Server response tests using ICMP echo requests
+   Copyright (C) 2000 Thomas Moestl
+   Copyright (C) 2007 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef ICMP_H
+#define ICMP_H
+
+
+#include <config.h>
+#include "ipvers.h"
+
+volatile extern int ping_isocket;
+volatile extern int ping6_isocket;
+
+/* initialize a socket for pinging */
+void init_ping_socket(void);
+
+/*
+ * This is a classical ping routine.
+ * timeout in 10ths of seconds, rep is the repetition count.
+ */
+
+int ping(pdnsd_a *addr, int timeout, int rep);
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/ipvers.h b/orbotservice/src/main/jni/pdnsd/src/ipvers.h
new file mode 100644
index 0000000..b1d7a2c
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/ipvers.h
@@ -0,0 +1,297 @@
+/* ipvers.h - definitions for IPv4 and IPv6
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2003, 2007, 2009 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef IPVERS_H
+#define IPVERS_H
+
+#include <config.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include "rr_types.h"
+
+#if defined(ENABLE_IPV4) && !defined(ENABLE_IPV6)
+# ifdef DEFAULT_IPV4
+#  undef DEFAULT_IPV4
+# endif
+# define DEFAULT_IPV4 1
+#endif
+
+#if !defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+# ifdef DEFAULT_IPV4
+#  undef DEFAULT_IPV4
+# endif
+# define DEFAULT_IPV4 0
+#endif
+
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+# define ELSE_IPV6 else
+#else
+# define ELSE_IPV6
+#endif
+
+/* From main.c */
+#ifdef ENABLE_IPV4
+# ifdef ENABLE_IPV6
+extern short int run_ipv4;
+extern short int cmdlineipv;
+#  define SEL_IPVER(a4,a6)  (run_ipv4? a4: a6)
+# else
+#  define run_ipv4 1
+#  define SEL_IPVER(a4,a6)  (a4)
+# endif
+#else
+#  define run_ipv4 0
+#  define SEL_IPVER(a4,a6)  (a6)
+#endif
+#ifdef ENABLE_IPV6
+#define DEFAULT_IPV4_6_PREFIX "::ffff:0.0.0.0"
+/* extern short int cmdlineprefix; */
+#endif
+
+#if (TARGET==TARGET_LINUX) && !defined(HAVE_STRUCT_IN_PKTINFO)
+struct in_pktinfo
+{
+	int		ipi_ifindex;
+	struct in_addr	ipi_spec_dst;
+	struct in_addr	ipi_addr;
+};
+#endif
+
+#if (TARGET==TARGET_LINUX)
+/* some older glibc versions seem to lack this. */
+# ifndef IP_PKTINFO
+#  define IP_PKTINFO 8
+# endif
+# ifndef CMSG_LEN
+/* ---- from glibc 2.1.2 */
+
+/* Ancillary data object manipulation macros.  */
+#  if !defined __STRICT_ANSI__ && defined __GNUC__ && __GNUC__ >= 2
+#   define CMSG_DATA(cmsg) ((cmsg)->__cmsg_data)
+#  else
+#   define CMSG_DATA(cmsg) ((unsigned char *) ((struct cmsghdr *) (cmsg) + 1))
+#  endif
+#  define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg)
+#  define CMSG_FIRSTHDR(mhdr) \
+  ((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr)		      \
+   ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL)
+#  define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \
+			 & ~(sizeof (size_t) - 1))
+#  define CMSG_SPACE(len) (CMSG_ALIGN (len) \
+			 + CMSG_ALIGN (sizeof (struct cmsghdr)))
+#  define CMSG_LEN(len)   (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))
+extern struct cmsghdr *__cmsg_nxthdr __P ((struct msghdr *__mhdr,
+					   struct cmsghdr *__cmsg));
+#  ifdef __USE_EXTERN_INLINES
+#   ifndef _EXTERN_INLINE
+#    define _EXTERN_INLINE extern __inline
+#   endif
+_EXTERN_INLINE struct cmsghdr *
+__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg) __THROW
+{
+  if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
+    /* The kernel header does this so there may be a reason.  */
+    return 0;
+
+  __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
+			       + CMSG_ALIGN (__cmsg->cmsg_len));
+  if ((unsigned char *) (__cmsg + 1) >= ((unsigned char *) __mhdr->msg_control
+					 + __mhdr->msg_controllen)
+      || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)
+	  >= ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
+    /* No more entries.  */
+    return 0;
+  return __cmsg;
+}
+#  endif	/* Use `extern inline'.  */
+/* ---- */
+# endif
+#endif
+
+#if defined(ENABLE_IPV4) && !defined(SIN_LEN) && (TARGET==TARGET_BSD)
+# define SIN_LEN
+#endif
+
+#if defined(ENABLE_IPV6) && (TARGET==TARGET_LINUX)
+
+/* Some glibc versions (I know of 2.1.2) get this wrong, so we define our own. To be exact, this is fixed
+ * glibc code. */
+#ifdef IN6_ARE_ADDR_EQUAL
+# undef IN6_ARE_ADDR_EQUAL
+#endif
+#define IN6_ARE_ADDR_EQUAL(a,b) \
+	((((uint32_t *) (a))[0] == ((uint32_t *) (b))[0]) && \
+	 (((uint32_t *) (a))[1] == ((uint32_t *) (b))[1]) && \
+	 (((uint32_t *) (a))[2] == ((uint32_t *) (b))[2]) && \
+	 (((uint32_t *) (a))[3] == ((uint32_t *) (b))[3]))
+
+#endif
+
+/* This is the IPv6 flowid that we pass on to the IPv6 protocol stack. This value was not currently defined
+ * at the time of writing. Should this change, define a appropriate flowinfo here. */
+#ifndef IPV6_FLOWINFO
+#define IPV6_FLOWINFO 0
+#endif
+
+/* There does not seem to be a function/macro to generate IPv6-mapped IPv4-Adresses. So here comes mine.
+ * Pass an in_addr* and an in6_addr* */
+#define IPV6_MAPIPV4(a,b) {((uint32_t *)(b))[3]=(a)->s_addr;		\
+			   ((uint32_t *)(b))[2]=htonl(0xffff);		\
+			   ((uint32_t *)(b))[1]=((uint32_t *)(b))[0]=0; }
+
+/* A macro to extract the pointer to the address of a struct sockaddr (_in or _in6) */
+
+#define SOCKA_A4(a) ((pdnsd_a *)&((struct sockaddr_in *)(a))->sin_addr)
+#define SOCKA_A6(a) ((pdnsd_a *)&((struct sockaddr_in6 *)(a))->sin6_addr)
+
+#define SOCKA_A(a) SEL_IPVER(SOCKA_A4(a),SOCKA_A6(a))
+#define PDNSD_PF_INET SEL_IPVER(PF_INET,PF_INET6)
+#define PDNSD_AF_INET SEL_IPVER(AF_INET,AF_INET6)
+
+/* This is to compare two addresses. This is a macro because it may change due to the more complex IPv6 adressing architecture
+ * (there are, for example, two equivalent addresses of the loopback device)
+ * Pass this two addresses as in_addr or in6_addr. pdnsd_a is ok (it is a union) */
+
+#define ADDR_EQUIV4(a,b) (((struct in_addr *)(a))->s_addr==((struct in_addr *)(b))->s_addr)
+#define ADDR_EQUIV6(a,b) IN6_ARE_ADDR_EQUAL(((struct in6_addr *)(a)),((struct in6_addr *)(b)))
+
+#define ADDR_EQUIV(a,b) SEL_IPVER(ADDR_EQUIV4(a,b), ADDR_EQUIV6(a,b))
+
+/* Compare an IPv6 adress with an IPv4 one. b should have type struct in_addr*.
+   Note the similarity with the IPV6_MAPIPV4 macro. */
+#define ADDR_EQUIV6_4(a,b) (((uint32_t *)(a))[3]==(b)->s_addr &&	\
+			    ((uint32_t *)(a))[2]==htonl(0xffff) &&	\
+			    ((uint32_t *)(a))[1]==0 &&			\
+			    ((uint32_t *)(a))[0]==0)
+
+/* Compare two address a and b in combination with a netmask m.
+   Only the bits coresponding to those set in the netmask are matched, the rest are ignored.
+   Pass in_addr* or in6_addr* arguments, respectively. */
+#define ADDR4MASK_EQUIV(a,b,m) ((((a)->s_addr^(b)->s_addr)&(m)->s_addr)==0)
+#define ADDR6MASK_EQUIV(a,b,m) (((((uint32_t *)(a))[0]^((uint32_t *)(b))[0])&((uint32_t *)(m))[0])==0 && \
+				((((uint32_t *)(a))[1]^((uint32_t *)(b))[1])&((uint32_t *)(m))[1])==0 && \
+				((((uint32_t *)(a))[2]^((uint32_t *)(b))[2])&((uint32_t *)(m))[2])==0 && \
+				((((uint32_t *)(a))[3]^((uint32_t *)(b))[3])&((uint32_t *)(m))[3])==0)
+
+/* See if we need 4.4BSD style sockaddr_* structures and define some macros that set the length field.
+ * The non-4.4BSD behaviour is the only one that is POSIX-conformant.*/
+#if defined(SIN6_LEN) || defined(SIN_LEN)
+# define BSD44_SOCKA
+# define SET_SOCKA_LEN4(socka) (socka.sin_len=sizeof(struct sockaddr_in))
+# define SET_SOCKA_LEN6(socka) (socka.sin6_len=sizeof(struct sockaddr_in6))
+#else
+# define SET_SOCKA_LEN4(socka)
+# define SET_SOCKA_LEN6(socka)
+#endif
+
+#ifdef ENABLE_IPV6
+# define ADDRSTR_MAXLEN INET6_ADDRSTRLEN
+#else
+# ifdef INET_ADDRSTRLEN
+#  define ADDRSTR_MAXLEN INET_ADDRSTRLEN
+# else
+#  define ADDRSTR_MAXLEN 16
+# endif
+#endif
+
+#if (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)
+# define SOL_IPV6 IPPROTO_IPV6
+#endif
+
+#ifdef ENABLE_IPV6
+# ifndef IPV6_RECVPKTINFO
+/* This appears to be needed e.g. on Darwin (Mac OS X). */
+#  define IPV6_RECVPKTINFO IPV6_PKTINFO
+# endif
+#endif
+
+typedef union {
+#ifdef ENABLE_IPV4
+	struct in_addr   ipv4;
+#endif
+#ifdef ENABLE_IPV6
+	struct in6_addr  ipv6;
+#endif
+} pdnsd_a;
+
+#ifdef ENABLE_IPV4
+#define  PDNSD_A_INITIALIZER {{INADDR_ANY}}
+#else
+#define  PDNSD_A_INITIALIZER {IN6ADDR_ANY_INIT}
+#endif
+
+
+/* The pdnsd_a2 type is very similar to pdnsd_a, but can hold
+   both an IPv4 and an IPv6 address at the same time,
+   i.e. a struct instead of a union.
+*/
+typedef struct {
+#ifdef ENABLE_IPV6
+	struct in6_addr  ipv6;
+#endif
+	struct in_addr   ipv4;
+} pdnsd_a2;
+
+/* Macros/functions for assigning/converting a pdnsd_a* to a pdnsd_a2* type,
+   and vice versa.
+*/
+#ifdef ENABLE_IPV6
+inline static void SET_PDNSD_A2(pdnsd_a2 *a2, pdnsd_a *a) __attribute__((always_inline));
+inline static void SET_PDNSD_A2(pdnsd_a2 *a2, pdnsd_a *a)
+{
+#ifdef ENABLE_IPV4
+	if(run_ipv4)
+		a2->ipv4=a->ipv4;
+	else
+#endif
+	{
+		a2->ipv6=a->ipv6;
+		a2->ipv4.s_addr=INADDR_ANY;
+	}
+}
+#else
+# define SET_PDNSD_A2(a2,a) ((a2)->ipv4=(a)->ipv4)
+#endif
+
+#define PDNSD_A2_TO_A(a2) SEL_IPVER(((pdnsd_a *)&(a2)->ipv4),((pdnsd_a *)&(a2)->ipv6))
+
+/* Do we have sufficient support in the C libraries to allow local AAAA records
+   to be defined? */
+#if defined(HAVE_STRUCT_IN6_ADDR) && defined(HAVE_INET_PTON)
+# define ALLOW_LOCAL_AAAA IS_CACHED_AAAA
+#else
+# define ALLOW_LOCAL_AAAA 0
+#endif
+
+/* Used to enter local records */
+typedef	union {
+	struct in_addr ipv4;
+#if ALLOW_LOCAL_AAAA
+	struct in6_addr ipv6;
+#endif
+} pdnsd_ca;
+
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/list.c b/orbotservice/src/main/jni/pdnsd/src/list.c
new file mode 100644
index 0000000..0370186
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/list.c
@@ -0,0 +1,171 @@
+/* list.c - Dynamic array and list handling
+
+   Copyright (C) 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2007, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <stdlib.h>
+#include <string.h>
+#include "helpers.h"
+#include "error.h"
+#include "list.h"
+
+
+/* Grow a dynamic array to hold one extra element.
+   This could be done using da_resize(), but this is such a common operation
+   it is has been given its own optimized implementation.
+   da_grow1() returns a pointer to the new (possibly reallocated) array if
+   successful, otherwise it frees the old array (after freeing all the array
+   elements if a clean-up routine is supplied) and returns NULL.
+*/
+darray da_grow1(darray a, size_t headsz, size_t elemsz, void (*cleanuproutine) (void *))
+{
+	size_t k = (a?a->nel:0);
+	if(!a || (k!=0 && (k&7)==0)) {
+		darray tmp=(darray)realloc(a, headsz+elemsz*(k+8));
+		if (!tmp && a) {
+			if(cleanuproutine) {
+				size_t i;
+				for(i=0;i<k;++i)
+					cleanuproutine(((char *)a)+headsz+elemsz*i);
+			}
+			free(a);
+		}
+		a=tmp;
+	}
+	if(a) a->nel=k+1;
+	return a;
+}
+
+inline static size_t alloc_nel(size_t n)
+{
+  return n==0 ? 8 : (n+7)&(~7);
+}
+
+/* da_resize() allows you to grow (or shrink) a dynamic array to an arbitrary length n,
+   but is otherwise similar to da_grow1().
+*/
+darray da_resize(darray a, size_t headsz, size_t elemsz, size_t n, void (*cleanuproutine) (void *))
+{
+	size_t ael = (a?alloc_nel(a->nel):0);
+	size_t new_ael = alloc_nel(n);
+	if(new_ael != ael) {
+		/* adjust alloced space. */
+		darray tmp=(darray)realloc(a, headsz+elemsz*new_ael);
+		if (!tmp && a) {
+			if(cleanuproutine) {
+				size_t i,k=a->nel;
+				for(i=0;i<k;++i)
+					cleanuproutine(((char *)a)+headsz+elemsz*i);
+			}
+			free(a);
+		}
+		a=tmp;
+	}
+	if(a) a->nel=n;
+	return a;
+}
+
+#ifdef ALLOC_DEBUG
+void DBGda_free(darray a, size_t headsz, size_t elemsz, char *file, int line)
+{
+	if (a==NULL)
+		{DEBUG_MSG("- da_free, %s:%d, not initialized\n", file, line);}
+	else
+		{DEBUG_MSG("- da_free, %s:%d, %lu bytes\n", file, line,
+			   (unsigned long)(headsz+elemsz*alloc_nel(a->nel)));}
+	free(a);
+}
+#endif
+
+
+#define DLISTALIGN(len) (((len) + (sizeof(size_t)-1)) & ~(sizeof(size_t)-1))
+/* This mask corresponds to a chunk size of 1024. */
+#define DLISTCHUNKSIZEMASK ((size_t)0x3ff)
+
+/* Add space for a new item of size len to the list a.
+   dlist_grow() returns a pointer to the new (possibly reallocated) list structure if
+   successful, otherwise it frees the old list and returns NULL.
+*/
+dlist dlist_grow(dlist a, size_t len)
+{
+	size_t sz=0, allocsz=0, szincr, newsz;
+	if(a) {
+		sz=a->last+a->lastsz;
+		allocsz = (sz+DLISTCHUNKSIZEMASK)&(~DLISTCHUNKSIZEMASK);
+		*((size_t *)&a->data[a->last])=a->lastsz;
+	}
+	szincr=DLISTALIGN(len+sizeof(size_t));
+	newsz=sz+szincr;
+	if(newsz>allocsz) {
+		dlist tmp;
+		allocsz = (newsz+DLISTCHUNKSIZEMASK)&(~DLISTCHUNKSIZEMASK);
+		tmp=realloc(a, sizeof(struct _dynamic_list_head)+allocsz);
+		if (!tmp)
+			free(a);
+		a=tmp;
+	}
+	if(a) {
+		a->last=sz;
+		a->lastsz=szincr;
+		*((size_t *)&a->data[sz])=0;
+	}
+	return a;
+}
+
+
+/* Add a new node, capable of holding data of size len, at the end of a linked list.
+   llist_grow() returns 1 if successful, otherwise it frees the entire linked list
+   and returns 0.
+ */
+int llist_grow(llist *a, size_t len)
+{
+  struct llistnode_s *new= (struct llistnode_s *)malloc(sizeof(struct llistnode_s)+len);
+
+  if(!new) {
+    llist_free(a);
+    return 0;
+  }
+
+  new->next=NULL;
+
+  if(!a->first)
+    a->first=new;
+  else
+    a->last->next=new;
+
+  a->last=new;
+
+  return 1;
+}
+
+void llist_free(llist *a)
+{
+  struct llistnode_s *p= a->first;
+
+  while(p) {
+    struct llistnode_s *next= p->next;
+    free(p);
+    p=next;
+  }
+
+  a->first=NULL;
+  a->last= NULL;
+}
diff --git a/orbotservice/src/main/jni/pdnsd/src/list.h b/orbotservice/src/main/jni/pdnsd/src/list.h
new file mode 100644
index 0000000..c63534e
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/list.h
@@ -0,0 +1,170 @@
+/* list.h - Dynamic array and list handling
+
+   Copyright (C) 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2007, 2009, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef LIST_H
+#define LIST_H
+
+#include <stdlib.h>
+#include <string.h>
+#include "pdnsd_assert.h"
+
+
+typedef struct {size_t nel;} *darray;
+
+/* used in type declarations */
+#define DYNAMIC_ARRAY(typ)  struct {size_t nel; typ elem[0];}
+#define DA_TYP_OFFSET(atyp) ((size_t)((atyp)0)->elem)
+#define DA_OFFSET(a) DA_TYP_OFFSET(typeof (a))
+
+#define DA_CREATE(atyp,n) ((atyp)da_resize(NULL,DA_TYP_OFFSET(atyp),sizeof(((atyp)0)->elem[0]),n,NULL))
+#define DA_INDEX(a,i) ((a)->elem[i])
+/* Used often, so make special-case macro here */
+#define DA_LAST(a) ((a)->elem[(a)->nel-1])
+
+#define DA_GROW1(a) ((typeof (a))da_grow1((darray)(a),DA_OFFSET(a),sizeof((a)->elem[0]),NULL))
+#define DA_GROW1_F(a,cleanup) ((typeof (a))da_grow1((darray)(a),DA_OFFSET(a),sizeof((a)->elem[0]),cleanup))
+#define DA_RESIZE(a,n) ((typeof (a))da_resize((darray)(a),DA_OFFSET(a),sizeof((a)->elem[0]),n,NULL))
+#define DA_NEL(a) da_nel((darray)(a))
+
+/*
+ * Some or all of these should be inline.
+ * They aren't macros for type safety.
+ */
+
+darray da_grow1(darray a, size_t headsz, size_t elemsz, void (*cleanuproutine) (void *));
+darray da_resize(darray a, size_t headsz, size_t elemsz, size_t n, void (*cleanuproutine) (void *));
+
+inline static unsigned int da_nel(darray a)
+  __attribute__((always_inline));
+inline static unsigned int da_nel(darray a)
+{
+  if (a==NULL)
+    return 0;
+  return a->nel;
+}
+
+/* alloc/free debug code.*/
+#ifdef ALLOC_DEBUG
+void   DBGda_free(darray a, size_t headsz, size_t elemsz, char *file, int line);
+#define da_free(a)	DBGda_free((darray)(a),DA_OFFSET(a),sizeof((a)->elem[0]), __FILE__, __LINE__)
+#else
+#define da_free		free
+#endif
+
+
+/* This dynamic "list" structure is useful if the items are not all the same size.
+   The elements can only be read back in sequential order, not indexed as with the dynamic arrays.
+*/
+struct _dynamic_list_head {
+	size_t last,lastsz;
+	char data[0];
+};
+
+typedef struct _dynamic_list_head  *dlist;
+
+inline static void *dlist_first(dlist a)
+  __attribute__((always_inline));
+inline static void *dlist_first(dlist a)
+{
+  return a?&a->data[sizeof(size_t)]:NULL;
+}
+
+/* dlist_next() returns a reference to the next item in the list, or NULL is there is no next item.
+   ref should be properly aligned.
+   If the dlist was grown with dlist_grow(), this should be OK.
+*/
+inline static void *dlist_next(void *ref)
+  __attribute__((always_inline));
+inline static void *dlist_next(void *ref)
+{
+  size_t incr= *(((size_t *)ref)-1);
+  return incr?((char *)ref)+incr:NULL;
+}
+
+/* dlist_last() returns a reference to the last item. */
+inline static void *dlist_last(dlist a)
+  __attribute__((always_inline));
+inline static void *dlist_last(dlist a)
+{
+  return a?&a->data[a->last+sizeof(size_t)]:NULL;
+}
+
+dlist dlist_grow(dlist a, size_t len);
+
+#define dlist_free free
+
+
+/* linked list data type. */
+struct llistnode_s {
+  struct llistnode_s *next;
+  char *data[0];
+};
+
+typedef struct {
+  struct llistnode_s *first, *last;
+}
+  llist;
+
+inline static void llist_init(llist *a)
+  __attribute__((always_inline));
+inline static void llist_init(llist *a)
+{
+  a->first=NULL;
+  a->last= NULL;
+}
+
+inline static int llist_isempty(llist *a)
+  __attribute__((always_inline));
+inline static int llist_isempty(llist *a)
+{
+  return a->first==NULL;
+}
+
+inline static void *llist_first(llist *a)
+  __attribute__((always_inline));
+inline static void *llist_first(llist *a)
+{
+  struct llistnode_s *p= a->first;
+  return p?p->data:NULL;
+}
+
+inline static void *llist_next(void *ref)
+  __attribute__((always_inline));
+inline static void *llist_next(void *ref)
+{
+  struct llistnode_s *next= *(((struct llistnode_s **)ref)-1);
+  return next?next->data:NULL;
+}
+
+inline static void *llist_last(llist *a)
+  __attribute__((always_inline));
+inline static void *llist_last(llist *a)
+{
+  struct llistnode_s *p= a->last;
+  return p?p->data:NULL;
+}
+
+int llist_grow(llist *a, size_t len);
+void llist_free(llist *a);
+
+#endif /* def LIST_H */
diff --git a/orbotservice/src/main/jni/pdnsd/src/main.c b/orbotservice/src/main/jni/pdnsd/src/main.c
new file mode 100644
index 0000000..1190b77
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/main.c
@@ -0,0 +1,710 @@
+/* main.c - Command line parsing, intialisation and server start
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+/* in order to use O_NOFOLLOW on Linux: */
+/* #define _GNU_SOURCE */
+
+#include <config.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <signal.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <pwd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include "consts.h"
+#include "cache.h"
+#include "status.h"
+#include "servers.h"
+#include "dns_answer.h"
+#include "dns_query.h"
+#include "error.h"
+#include "helpers.h"
+#include "icmp.h"
+#include "hash.h"
+
+
+#if DEBUG>0
+short int debug_p=0;
+#endif
+short int stat_pipe=0;
+
+/* int sigr=0; */
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+short int run_ipv4=DEFAULT_IPV4;
+short int cmdlineipv=0;
+#endif
+cmdlineflags_t cmdline={0};
+pthread_t main_thrid,servstat_thrid,statsock_thrid,tcps_thrid,udps_thrid;
+uid_t init_uid;
+#if DEBUG>0
+FILE *dbg_file=NULL;
+#endif
+volatile int tcp_socket=-1;
+volatile int udp_socket=-1;
+sigset_t sigs_msk;
+char *conf_file=CONFDIR"/pdnsd.conf";
+
+
+/* version and licensing information */
+static const char info_message[] =
+
+	"pdnsd - dns proxy daemon, version " VERSION "\n\n"
+	"Copyright (C) 2000, 2001 Thomas Moestl\n"
+	"Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010 Paul A. Rombouts\n\n"
+	"pdnsd is free software; you can redistribute it and/or modify\n"
+	"it under the terms of the GNU General Public License as published by\n"
+	"the Free Software Foundation; either version 3 of the License, or\n"
+	"(at your option) any later version.\n\n"
+	"pdnsd is distributed in the hope that it will be useful,\n"
+	"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+	"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
+	"GNU General Public License for more details.\n\n"
+	"You should have received a copy of the GNU General Public License\n"
+	"along with pdsnd; see the file COPYING.  If not, see\n"
+	"<http://www.gnu.org/licenses/>.\n";
+
+
+/* the help page */
+static const char help_message[] =
+
+	"\n\nUsage: pdnsd [-h] [-V] [-s] [-d] [-g] [-t] [-p file] [-vn] [-mxx] [-c file]"
+#ifdef ENABLE_IPV4
+	" [-4]"
+#endif
+#ifdef ENABLE_IPV6
+	" [-6] [-i prefix]"
+#endif
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+	" [-a]"
+#endif
+	"\n\n"
+	"Options:\n"
+	"-h\t\t--or--\n"
+	"--help\t\tprint this help page and exit.\n"
+	"-V\t\t--or--\n"
+	"--version\tprint version and license information and exit.\n"
+	"--pdnsd-user\tprint the user pdnsd will run as and exit.\n"
+	"-s\t\t--or--\n"
+	"--status\tEnable status control socket in the cache directory.\n"
+	"-d\t\t--or--\n"
+	"--daemon\tStart pdnsd in daemon mode (as background process.)\n"
+	"-g\t\t--or--\n"
+	"--debug\t\tPrint some debug messages on the console or to the\n"
+	"\t\tfile pdnsd.debug in your cache directory (in daemon mode).\n"
+	"-t\t\t--or--\n"
+	"--tcp\t\tEnables the TCP server thread. pdnsd will then serve\n"
+	"\t\tTCP and UDP queries.\n"
+	"-p\t\tWrites the pid the server runs as to a specified filename.\n"
+	"\t\tWorks only in daemon mode.\n"
+	"-vn\t\tsets the verbosity of pdnsd. n is a numeric argument from 0\n"
+	"\t\t(normal operation) to 9 (many messages for debugging).\n"
+	"\t\tUse like -v2\n"
+	"-mxx\t\tsets the query method pdnsd uses. Possible values for xx are:\n"
+	"\t\tuo (UDP only), to (TCP only), tu (TCP or, if the server\n"
+	"\t\tdoes not support this, UDP) and ut (UDP and, if the reply was\n"
+	"\t\ttruncated, TCP). Use like -muo. Preset: "
+#if M_PRESET==UDP_ONLY
+	"-muo"
+#elif M_PRESET==TCP_ONLY
+	"-mto"
+#elif M_PRESET==TCP_UDP
+	"-mtu"
+#else
+	"-mut"
+#endif
+	"\n"
+	"-c\t\t--or--\n"
+	"--config-file\tspecifies the file the configuration is read from.\n"
+	"\t\tDefault is " CONFDIR "/pdnsd.conf\n"
+#ifdef ENABLE_IPV4
+	"-4\t\tswitches to IPv4 mode.\n"
+	"\t\t"
+#  if DEFAULT_IPV4
+	"On"
+#  else
+	"Off"
+#  endif
+	" by default.\n"
+#endif
+#ifdef ENABLE_IPV6
+	"-6\t\tswitches to IPv6 mode.\n"
+	"\t\t"
+#  if DEFAULT_IPV4
+	"Off"
+#  else
+	"On"
+#  endif
+	" by default.\n"
+	"-i\t\t--or--\n"
+	"--ipv4_6_prefix\tspecifies the prefix pdnsd uses to map IPv4 to IPv6\n"
+	"\t\taddresses. Must be a valid IPv6 address.\n"
+	"\t\tDefault is " DEFAULT_IPV4_6_PREFIX "\n"
+#endif
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+	"-a\t\tWith this option, pdnsd will try to detect automatically if\n"
+	"\t\tthe system supports IPv6, and revert to IPv4 otherwise.\n"
+#endif
+	"\n\n\"no\" can be prepended to the --status, --daemon, --debug and --tcp\n"
+	"options (e.g. --notcp) to reverse their effect.\n";
+
+
+/* These are some init steps we have to call before we get daemon on linux, but need
+ * to call after daemonizing on other OSes.
+ * Theay are also the last steps before we drop privileges. */
+int final_init()
+{
+#ifndef NO_TCP_SERVER
+	if (!global.notcp)
+		tcp_socket=init_tcp_socket();
+#endif
+	udp_socket=init_udp_socket();
+	if (tcp_socket==-1 && udp_socket==-1) {
+		log_error("tcp and udp initialization failed. Exiting.");
+		return 0;
+	}
+	if (global.strict_suid) {
+		if (!run_as(global.run_as)) {
+			return 0;
+		}
+	}
+	return 1;
+}
+
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+/* Check if IPv6 is available.
+ * With thanks to Juliusz Chroboczek.
+ */
+static int check_ipv6()
+{
+    int fd;
+    fd = socket(PF_INET6, SOCK_STREAM, 0);
+    if(fd < 0) {
+        if(errno == EPROTONOSUPPORT || errno == EAFNOSUPPORT || errno == EINVAL)
+            return 0;
+        return -1;
+    }
+    close(fd);
+    return 1;
+}
+#endif
+
+
+/*
+ * Argument parsing, init, server startup
+ */
+int main(int argc,char *argv[])
+{
+	int i,sig,pfd=-1;  /* Initialized to inhibit compiler warning */
+
+	main_thrid=pthread_self();
+	servstat_thrid=main_thrid;
+	statsock_thrid=main_thrid;
+	tcps_thrid=main_thrid;
+	udps_thrid=main_thrid;
+	init_uid=getuid();
+#ifdef ENABLE_IPV6
+	{
+		int err;
+		if((err=inet_pton(AF_INET6,DEFAULT_IPV4_6_PREFIX,&global.ipv4_6_prefix))<=0) {
+			fprintf(stderr,"Error: inet_pton() wont accept default prefix %s in %s, line %d\n",
+				DEFAULT_IPV4_6_PREFIX,__FILE__,__LINE__);
+			if(err)
+				perror("inet_pton");
+			exit(1);
+		}
+	}
+#endif
+
+	/* Parse the command line.
+	   Remember which options were specified here, because the command-line options
+	   shall override the ones given in the config file */
+	for (i=1;i<argc;i++) {
+		char *arg=argv[i];
+		if (strcmp(arg,"-h")==0 || strcmp(arg,"--help")==0) {
+			fputs(info_message,stdout);
+			fputs(help_message,stdout);
+			exit(1);
+		} else if (strcmp(arg,"-V")==0 || strcmp(arg,"--version")==0) {
+			fputs(info_message,stdout);
+			exit(1);
+		} else if (strcmp(arg,"-c")==0 || strcmp(arg,"--config-file")==0) {
+			if (++i<argc) {
+				conf_file=argv[i];
+			} else {
+				fprintf(stderr,"Error: file name expected after %s option.\n",arg);
+				exit(1);
+			}
+		} else if (strcmp(arg,"-4")==0) {
+#ifdef ENABLE_IPV4
+# ifdef ENABLE_IPV6
+			run_ipv4=1; cmdlineipv=1;
+# endif
+#else
+			fprintf(stderr,"Error: -4: pdnsd was compiled without IPv4 support.\n");
+			exit(1);
+#endif
+		} else if (strcmp(arg,"-6")==0) {
+#ifdef ENABLE_IPV6
+# ifdef ENABLE_IPV4
+			run_ipv4=0; cmdlineipv=1;
+# endif
+#else
+			fprintf(stderr,"Error: -6: pdnsd was compiled without IPv6 support.\n");
+			exit(1);
+#endif
+		} else if (strcmp(arg,"-a")==0) {
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+			int rv=check_ipv6();
+			if(rv<0) {
+				fprintf(stderr,"Error: -a: can't check availability of IPv6: %s\n"
+					"Try using -4 or -6 option instead.\n",strerror(errno));
+				exit(1);
+			}
+			if((run_ipv4= !rv))
+				fprintf(stderr,"Switching to IPv4 mode.\n");
+			cmdlineipv=1;
+#else
+			fprintf(stderr,"Warning: -a option does nothing unless pdnsd is compiled with both IPv4 AND IPv6 support.\n");
+#endif
+		} else if(strcmp(arg,"-i")==0 || strcmp(arg,"--ipv4_6_prefix")==0) {
+			if (++i<argc) {
+#ifdef ENABLE_IPV6
+				if(inet_pton(AF_INET6,argv[i],&global.ipv4_6_prefix)<=0) {
+					fprintf(stderr,"Error: %s: argument not a valid IPv6 address.\n",arg);
+					exit(1);
+				}
+				cmdline.prefix=1;
+#else
+				fprintf(stderr,"pdnsd was compiled without IPv6 support. %s will be ignored.\n",arg);
+#endif
+			} else {
+				fprintf(stderr,"Error: IPv6 address expected after %s option.\n",arg);
+				exit(1);
+			}
+		} else if (strcmp(arg,"-s")==0 || strcmp(arg,"--status")==0) {
+			global.stat_pipe=1; cmdline.stat_pipe=1;
+		} else if (strcmp(arg,"--nostatus")==0) {
+			global.stat_pipe=0; cmdline.stat_pipe=1;
+		} else if (strcmp(arg,"-d")==0 || strcmp(arg,"--daemon")==0) {
+			global.daemon=1; cmdline.daemon=1;
+		} else if (strcmp(arg,"--nodaemon")==0) {
+			global.daemon=0; cmdline.daemon=1;
+		} else if (strcmp(arg,"-t")==0 || strcmp(arg,"--tcp")==0) {
+			global.notcp=0; cmdline.notcp=1;
+#ifdef NO_TCP_SERVER
+			fprintf(stderr,"pdnsd was compiled without tcp server support. -t has no effect.\n");
+#endif
+		} else if (strcmp(arg,"--notcp")==0) {
+			global.notcp=1; cmdline.notcp=1;
+		} else if (strcmp(arg,"-p")==0) {
+			if (++i<argc) {
+				global.pidfile=argv[i]; cmdline.pidfile=1;
+			} else {
+				fprintf(stderr,"Error: file name expected after -p option.\n");
+				exit(1);
+			}
+		} else if (strncmp(arg,"-v",2)==0) {
+			if (strlen(arg)!=3 || !isdigit(arg[2])) {
+				fprintf(stderr,"Error: one digit expected after -v option (like -v2).\n");
+				exit(1);
+			}
+			global.verbosity=arg[2]-'0'; cmdline.verbosity=1;
+		} else if (strncmp(arg,"-m",2)==0) {
+			if (strlen(arg)!=4) {
+				fprintf(stderr,"Error: uo, to or tu expected after the  -m option (like -muo).\n");
+				exit(1);
+			}
+			if (strcmp(&arg[2],"uo")==0) {
+#ifdef NO_UDP_QUERIES
+				fprintf(stderr,"Error: pdnsd was compiled without UDP support.\n");
+				exit(1);
+#else
+				global.query_method=UDP_ONLY;
+#endif
+			} else if (strcmp(&arg[2],"to")==0) {
+#ifdef NO_TCP_QUERIES
+				fprintf(stderr,"Error: pdnsd was compiled without TCP support.\n");
+				exit(1);
+#else
+				global.query_method=TCP_ONLY;
+#endif
+			} else if (strcmp(&arg[2],"tu")==0) {
+#if defined(NO_UDP_QUERIES) || defined(NO_TCP_QUERIES)
+				fprintf(stderr,"Error: pdnsd was not compiled with UDP and TCP support.\n");
+				exit(1);
+#else
+				global.query_method=TCP_UDP;
+#endif
+			} else if (strcmp(&arg[2],"ut")==0) {
+#if defined(NO_UDP_QUERIES) || defined(NO_TCP_QUERIES)
+				fprintf(stderr,"Error: pdnsd was not compiled with UDP and TCP support.\n");
+				exit(1);
+#else
+				global.query_method=UDP_TCP;
+#endif
+			} else {
+				fprintf(stderr,"Error: uo, to, tu or ut expected after the  -m option (like -muo).\n");
+				exit(1);
+			}
+			cmdline.query_method=1;
+		} else if (strcmp(arg,"-g")==0 || strcmp(arg,"--debug")==0) {
+			global.debug=1; cmdline.debug=1;
+#if !DEBUG
+			fprintf(stderr,"pdnsd was compiled without debugging support. -g has no effect.\n");
+#endif
+		} else if (strcmp(arg,"--nodebug")==0) {
+			global.debug=0; cmdline.debug=1;
+		} else if (strcmp(arg,"--pdnsd-user")==0) {
+			cmdline.pdnsduser=1;
+		} else {
+			char *equ=strchr(arg,'=');
+			if(equ) {
+				int plen=equ-arg;
+				char *valstr=equ+1;
+#       			define arg_isparam(strlit) (!strncmp(arg,strlit,strlitlen(strlit)) && plen==strlitlen(strlit))
+
+				if(arg_isparam("--config-file")) {
+					conf_file=valstr;
+				}
+				else if(arg_isparam("--ipv4_6_prefix")) {
+#ifdef ENABLE_IPV6
+					if(inet_pton(AF_INET6,valstr,&global.ipv4_6_prefix)<=0) {
+						fprintf(stderr,"Error: --ipv4_6_prefix: argument not a valid IPv6 address.\n");
+						exit(1);
+					}
+					cmdline.prefix=1;
+#else
+					fprintf(stderr,"pdnsd was compiled without IPv6 support. --ipv4_6_prefix will be ignored.\n");
+#endif
+				}
+				else {
+					fprintf(stderr,"Error: unknown option: %.*s\n",plen,arg);
+					exit(1);
+				}
+			} else {
+				fprintf(stderr,"Error: unknown option: %s\n",arg);
+				exit(1);
+			}
+		}
+	}
+
+	init_cache();
+	{
+		char *errmsg;
+		if(!read_config_file(conf_file,&global,&servers,0,&errmsg)) {
+			fputs(errmsg?:"Out of memory.",stderr);
+			fputc('\n',stderr);
+			exit(3);
+		}
+	}
+
+	if(cmdline.pdnsduser) {
+		if (global.run_as[0]) {
+			printf("%s\n",global.run_as);
+		} else {
+			uid_t uid=getuid();
+			struct passwd *pws=getpwuid(uid);
+			if (pws)
+				printf("%s\n",pws->pw_name);
+			else
+				printf("%i\n",uid);
+		}
+		exit(0);
+	}
+
+	if(!global.cache_dir)   global.cache_dir = CACHEDIR;
+	if(!global.scheme_file) global.scheme_file = "/var/lib/pcmcia/scheme";
+	stat_pipe=global.stat_pipe;
+
+	if (!(global.run_as[0] && global.strict_suid)) {
+		for (i=0; i<DA_NEL(servers); i++) {
+			servparm_t *sp=&DA_INDEX(servers,i);
+			if (sp->uptest==C_EXEC && sp->uptest_usr[0]=='\0') {
+				uid_t uid=getuid();
+				struct passwd *pws=getpwuid(uid);
+
+				/* No explicit uptest user given. If we run_as and strict_suid, we assume that
+				 * this is safe. If not - warn. */
+				fprintf(stderr,"Warning: uptest command \"%s\" will implicitly be executed as user ", sp->uptest_cmd);
+				if (pws)
+					fprintf(stderr,"%s\n",pws->pw_name);
+				else
+					fprintf(stderr,"%i\n",uid);
+
+			}
+		}
+	}
+
+	if (global.daemon && global.pidfile) {
+		if (unlink(global.pidfile)!=0 && errno!=ENOENT) {
+			log_error("Error: could not unlink pid file %s: %s",global.pidfile, strerror(errno));
+			exit(1);
+		}
+		if ((pfd=open(global.pidfile,O_WRONLY|O_CREAT|O_EXCL
+#ifdef O_NOFOLLOW
+			      |O_NOFOLLOW
+#else
+		/*
+		 * No O_NOFOLLOW. Nevertheless, this not a hole, since the
+		 * directory for pidfiles should not be world writeable.
+		 * OS's that do not support O_NOFOLLOW are currently not
+		 * supported, this is just-in-case code.
+		 */
+#endif
+			      , 0600))==-1)
+		{
+			log_error("Error: could not open pid file %s: %s",global.pidfile, strerror(errno));
+			exit(1);
+		}
+	}
+	for (i=0;i<DA_NEL(servers);i++) {
+		if (DA_INDEX(servers,i).uptest==C_PING) {
+			init_ping_socket();
+			break;
+		}
+	}
+
+	if (!init_rng())
+		exit(1);
+#if (TARGET==TARGET_LINUX)
+	if (!final_init())
+		exit(1);
+#endif
+
+	{
+		struct sigaction action;
+		action.sa_handler = SIG_IGN;
+		sigemptyset(&action.sa_mask);
+		action.sa_flags = 0;
+		if(sigaction(SIGPIPE, &action, NULL) != 0)
+			log_error("Could not call sigaction to ignore SIGPIPE: %s",strerror(errno));
+	}
+
+	umask(0077); /* for security reasons */
+	if (global.daemon) {
+		pid_t pid;
+		int fd;
+
+		/* become a daemon */
+		pid=fork();
+		if (pid==-1) {
+			log_error("Could not become a daemon: fork #1 failed: %s",strerror(errno));
+			exit(1);
+		}
+		if (pid!=0) {
+			/* This is the parent.
+			   The child is going to do another fork() and will exit quickly.
+			   Perhaps we should wait for the child and return
+			   its exit status? */
+			exit(0); /* exit parent */
+		}
+		/* dissociate from controlling terminal */
+		if (setsid()==-1) {
+			log_error("Could not become a daemon: setsid failed: %s",strerror(errno));
+			_exit(1);
+		}
+		pid=fork();
+		if (pid==-1) {
+			log_error("Could not become a daemon: fork #2 failed: %s",strerror(errno));
+			_exit(1);
+		}
+		if (pid!=0) {
+			int exitval=0;
+			if (global.pidfile) {
+				if(fsprintf(pfd,"%i\n",(int)pid)<0) {
+					log_error("Error: could not write to pid file %s: %s",
+						  global.pidfile, strerror(errno));
+					exitval=1;
+				}
+				if(close(pfd)<0) {
+					log_error("Error: could not close pid file %s: %s",
+						  global.pidfile, strerror(errno));
+					exitval=1;
+				}
+			}
+			_exit(exitval); /* exit parent, so we are no session group leader */
+		}
+
+		if (global.pidfile) close(pfd);
+		if(chdir("/"))
+			log_warn("Cannot chdir to root directory: %s",strerror(errno));
+		if ((fd=open("/dev/null",O_RDONLY))==-1) {
+			log_error("Could not become a daemon: open for /dev/null failed: %s",strerror(errno));
+			_exit(1);
+		}
+		dup2(fd,0);
+		close(fd);
+		if ((fd=open("/dev/null",O_WRONLY))==-1) {
+			log_error("Could not become a daemon: open for /dev/null failed: %s",strerror(errno));
+			_exit(1);
+		}
+		dup2(fd,1);
+		dup2(fd,2);
+		close(fd);
+#if DEBUG>0
+		if (global.debug) {
+			char dbgpath[strlen(global.cache_dir)+sizeof("/pdnsd.debug")];
+			stpcpy(stpcpy(dbgpath,global.cache_dir),"/pdnsd.debug");
+			if (!(dbg_file=fopen(dbgpath,"w")))
+				log_warn("Warning: could not open debug file %s: %s",dbgpath, strerror(errno));
+		}
+#endif
+	} else {
+#if DEBUG>0
+		dbg_file=stdout;
+#endif
+	}
+
+#if DEBUG>0
+	debug_p= (global.debug && dbg_file);
+#endif
+	log_info(0,"pdnsd-%s starting.\n",VERSION);
+	DEBUG_MSG("Debug messages activated\n");
+
+#if (TARGET!=TARGET_LINUX)
+	if (!final_init())
+		_exit(1);
+#endif
+	DEBUG_MSG(SEL_IPVER("Using IPv4.\n", "Using IPv6.\n"));
+
+	/* initialize attribute for creating detached threads */
+	pthread_attr_init(&attr_detached);
+	pthread_attr_setdetachstate(&attr_detached,PTHREAD_CREATE_DETACHED);
+
+	read_disk_cache();
+
+	/* This must be done before any other thread is started to avoid races. */
+	if (stat_pipe)
+		init_stat_sock();
+
+
+	/* Before this point, logging and cache accesses are not locked because we are single-threaded. */
+	init_log_lock();
+	init_cache_lock();
+
+	sigemptyset(&sigs_msk);
+	sigaddset(&sigs_msk,SIGHUP);
+	sigaddset(&sigs_msk,SIGINT);
+#ifndef THREADLIB_NPTL
+	sigaddset(&sigs_msk,SIGILL);
+#endif
+	sigaddset(&sigs_msk,SIGABRT);
+	sigaddset(&sigs_msk,SIGFPE);
+#ifndef THREADLIB_NPTL
+	sigaddset(&sigs_msk,SIGSEGV);
+#endif
+	sigaddset(&sigs_msk,SIGTERM);
+	/* if (!daemon_p) {
+		sigaddset(&sigs_msk,SIGQUIT);
+	} */
+#if (TARGET==TARGET_LINUX)
+	pthread_sigmask(SIG_BLOCK,&sigs_msk,NULL);
+#endif
+
+#if DEBUG>0
+	{
+		int err;
+		/* Generate a key for storing our thread id's */
+		if ((err=pthread_key_create(&thrid_key, NULL)) != 0) {
+			log_error("pthread_key_create failed: %s",strerror(err));
+			_exit(1);
+		}
+	}
+#endif
+
+	{
+#if DEBUG>0
+		int thrdsucc=1;
+# define thrdfail (thrdsucc=0)
+#else
+# define thrdfail
+#endif
+
+		if(start_servstat_thread()) thrdfail;
+
+#if (TARGET==TARGET_LINUX)
+		if (!global.strict_suid) {
+			if (!run_as(global.run_as)) {
+				_exit(1);
+			}
+		}
+#endif
+
+		if (stat_pipe)
+			if(start_stat_sock()) thrdfail;
+
+		start_dns_servers();
+
+#if DEBUG>0
+		if(thrdsucc) {
+			DEBUG_MSG("All threads started successfully.\n");
+		}
+#endif
+#undef thrdfail
+	}
+
+#if (TARGET==TARGET_LINUX) && !defined(THREADLIB_NPTL)
+	pthread_sigmask(SIG_BLOCK,&sigs_msk,NULL);
+	waiting=1;
+#endif
+	{
+		int err;
+		while ((err=sigwait(&sigs_msk,&sig))) {
+			if (err!=EINTR) {
+				log_error("sigwait failed: %s",strerror(err));
+				sig=0;
+				break;
+			}
+		}
+	}
+	if(sig) DEBUG_MSG("Signal %i caught.\n",sig);
+	write_disk_cache();
+	destroy_cache();
+	if(sig) log_warn("Caught signal %i. Exiting.",sig);
+	if (sig==SIGSEGV || sig==SIGILL || sig==SIGBUS)
+		crash_msg("This is a fatal signal probably triggered by a bug.");
+	if (ping_isocket!=-1)
+		close(ping_isocket);
+#ifdef ENABLE_IPV6
+	if (ping6_isocket!=-1)
+		close(ping6_isocket);
+#endif
+	/* Close and delete the status socket */
+	if(stat_pipe) close(stat_sock);
+	if (sock_path && unlink(sock_path))
+		log_warn("Failed to unlink %s: %s",sock_path, strerror(errno));
+
+	free_rng();
+#if DEBUG>0
+	if (debug_p && global.daemon)
+		if(fclose(dbg_file)<0) {
+			log_warn("Could not close debug file: %s", strerror(errno));
+		}
+#endif
+	_exit(0);
+}
diff --git a/orbotservice/src/main/jni/pdnsd/src/make_rr_types_h.pl b/orbotservice/src/main/jni/pdnsd/src/make_rr_types_h.pl
new file mode 100644
index 0000000..c8c0f9f
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/make_rr_types_h.pl
@@ -0,0 +1,309 @@
+#!/usr/bin/perl -w
+
+# This Perl script is used to generate rr_types.h, using rr_types.in as input.
+#
+# Copyright (C) 2010, 2011 Paul A. Rombouts
+#
+# This file is part of the pdnsd package.
+#
+
+use strict;
+use integer;
+
+print << "END-OF-TEXT";
+/* This file was generated by running '$0 @ARGV'.
+   Modifications to this file may be lost the next time it is automatically
+   regenerated.
+*/
+
+END-OF-TEXT
+
+my %valdic;
+my %namedic;
+my %classdic;
+my %muset;
+my $nrr=0;
+my $nmu=0;
+my $minval;
+my $maxval;
+#my $maxmuval;
+
+while(<>) {
+    if(/\S/ && !/^\s*\#/) {
+	if(/^\s*(?:([*+-])\s*)?([\w-]+)\s+(\d+)\s+(?:\((\w+)\))?/) {
+	    my $mu = $1; my $name=$2; my $val=$3+0; my $class=$4;
+	    $name =~ s/-/_/g;
+	    if(defined($valdic{$name})) {warn "The name \"$name\" does not have a unique value.\n"}
+	    if(defined($namedic{$val})) {warn "The value \"$val\" does not have a unique name.\n"}
+	    $valdic{$name}=$val; $namedic{$val}=$name; $classdic{$val}=$class if defined($class);
+	    if(defined($mu)) {
+		if($mu eq '-') {next}
+		$muset{$val}= 1;
+		++$nmu;
+		#if(!defined($maxmuval) || $val>$maxmuval) {$maxmuval=$val}
+	    }
+	    else {$muset{$val}= 0}
+	    ++$nrr;
+	    if(!defined($minval) || $val<$minval) {$minval=$val}
+	    if(!defined($maxval) || $val>$maxval) {$maxval=$val}
+	}
+	else {die "Can't find name-value pair in following line:\n$_\n"}
+    }
+}
+
+defined($minval) or die "No values defined.\n";
+if($nrr>255) {warn "Warning: total number of cache-able RR types is greater than 255.\n"}
+
+print << 'END-OF-TEXT';
+/* rr_types.h - A header file with names & descriptions of
+                all rr types known to pdnsd
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2007, 2010, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _RR_TYPES_H_
+#define _RR_TYPES_H_
+
+#include <config.h>
+
+END-OF-TEXT
+
+print "#define T_MIN $minval\n";
+foreach my $name (sort {$valdic{$a} <=> $valdic{$b} } (keys %valdic)) {
+    printf("#define %-12s %2d\n", "T_$name", $valdic{$name});
+}
+print "#define T_MAX $maxval\n";
+print("\n/* T_MAX - T_MIN + 1 */\n","#define T_NUM ",$maxval+1-$minval,"\n");
+#print("\n/* Largest most frequently used type value. */\n","#define T_MAXMU $maxmuval\n");
+print("\n/* Number of most frequently used rr types. */\n","#define NRRMU $nmu\n");
+print("\n/* Number of remaining rr types. */\n","#define NRREXT ",$nrr-$nmu,"\n");
+print("\n/* NRRMU + NRREXT */\n","#define NRRTOT $nrr\n");
+
+print << 'END-OF-TEXT';
+
+/* Lookup table for converting rr type values to internally used indices. */
+extern const unsigned short int rrlkuptab[T_NUM];
+#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
+const unsigned short int rrlkuptab[T_NUM] = {
+END-OF-TEXT
+my @rrtpval=();
+for(my $val=$minval, my $i=0, my $j=$nmu, my $k=$nrr; $val<=$maxval; ++$val) {
+    my $idx;
+    if(defined($muset{$val})) {
+	if($muset{$val}) {
+	    $idx = $i++;
+	}
+	else {
+	    $idx =  $j++;
+	}
+	$rrtpval[$idx]=$val;
+    }
+    else {
+	$idx = $k++;
+    }
+
+    printf('%4d', $idx);
+    if(defined($namedic{$val})) {
+	print "  /* $namedic{$val} */";
+    }
+    print ',' if $val<$maxval;
+    print "\n";
+}
+#print << 'END-OF-TEXT';
+#};
+##endif
+#
+#/* Table for converting internally used indices to rr type values.
+#   This is more or less the inverse of the rrlkuptab[] mapping. */
+#extern const unsigned short int rrtpval[NRRTOT];
+##if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
+#const unsigned short int rrtpval[NRRTOT] = {
+#END-OF-TEXT
+#for(my $i=0; $i<$nrr; ++$i) {
+#    if($i ==0) {
+#	print "  /* Most frequently used types. */\n";
+#    }
+#    else {
+#	print ",\n";
+#    }
+#    print "  /* Remaining (less frequently used) types. */\n"
+#	if $i == $nmu;
+#    my $val= $rrtpval[$i];
+#    print("  ",defined($namedic{$val})? "T_$namedic{$val}": $val);
+#}
+print << 'END-OF-TEXT';
+};
+#endif
+
+/* List of most frequently used RR types in ascending order. */
+extern const unsigned short int rrmuiterlist[NRRMU];
+#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
+const unsigned short int rrmuiterlist[NRRMU] = {
+END-OF-TEXT
+for(my $val=$minval, my $i=0; $val<=$maxval; ++$val) {
+    if(defined($muset{$val}) && $muset{$val}) {
+	print ",\n" if $i++;
+	print("  ",defined($namedic{$val})? "T_$namedic{$val}": $val);
+    }
+}
+print << 'END-OF-TEXT';
+
+};
+#endif
+
+/* List of the cache-able RR types in ascending order. */
+extern const unsigned short int rrcachiterlist[NRRTOT];
+#if DEFINE_RR_TYPE_ARRAYS
+const unsigned short int rrcachiterlist[NRRTOT] = {
+END-OF-TEXT
+for(my $val=$minval, my $i=0; $val<=$maxval; ++$val) {
+    if(defined($muset{$val})) {
+	print ",\n" if $i++;
+	print("  ",defined($namedic{$val})? "T_$namedic{$val}": $val);
+    }
+}
+print << 'END-OF-TEXT';
+
+};
+#endif
+
+/* Optimized getrrset macros for fixed rr types. */
+END-OF-TEXT
+for(my $val=$minval, my $i=0, my $j=0; $val<=$maxval; ++$val) {
+    if(defined($muset{$val})) {
+	my $name = $namedic{$val};
+	my $mdef;
+	if($muset{$val}) {
+	    $mdef= "GET_RRSMU(cent,$i)";
+	    ++$i;
+	}
+	else {
+	    $mdef= "GET_RRSEXT(cent,$j)";
+	    ++$j;
+	}
+	printf("#define %-25s %s\n", "getrrset_$name(cent)", $mdef)
+	    if defined($name);
+    }
+}
+print << 'END-OF-TEXT';
+
+/* have_rr macros for fixed rr types. */
+END-OF-TEXT
+for(my $val=$minval, my $i=0, my $j=0; $val<=$maxval; ++$val) {
+    my $name = $namedic{$val};
+    my $mdef = '0';
+    if(defined($muset{$val})) {
+	if($muset{$val}) {
+	    $mdef= "HAVE_RRMU(cent,$i)";
+	    ++$i;
+	}
+	else {
+	    $mdef= "HAVE_RREXT(cent,$j)";
+	    ++$j;
+	}
+    }
+    printf("#define %-25s %s\n", "have_rr_$name(cent)", $mdef)
+	if defined($name);
+}
+print << 'END-OF-TEXT';
+
+/* These macros specify which RR types are cached by pdnsd. */
+END-OF-TEXT
+for(my $val=$minval; $val<=$maxval; ++$val) {
+    if(defined($muset{$val})) {
+	my $name = $namedic{$val};
+	printf("#define IS_CACHED_%-10s 1\n", defined($name)? $name: "TYPE$val")
+    }
+}
+print << 'END-OF-TEXT';
+
+/* Array indices for most frequently used rr types. */
+END-OF-TEXT
+for(my $val=$minval, my $i=0; $val<=$maxval; ++$val) {
+    if(defined($muset{$val}) && $muset{$val}) {
+	printf("#define %-18s %2d\n", "RRMUINDEX_$namedic{$val}", $i)
+	    if defined($namedic{$val});
+	++$i;
+    }
+}
+print << 'END-OF-TEXT';
+
+/* Table of rr names. */
+extern const char *const rrnames[T_NUM];
+#if DEFINE_RR_TYPE_ARRAYS
+const char *const rrnames[T_NUM] = {
+END-OF-TEXT
+for(my $val=$minval; $val<=$maxval; ++$val) {
+    my $name = $namedic{$val};
+    print('  "', defined($name)? $name: "TYPE$val", '"');
+    print ',' if $val<$maxval;
+    print "\n";
+}
+print << 'END-OF-TEXT';
+};
+#endif
+
+/* Structure for rr information */
+struct rr_infos {
+	unsigned short class;		/* class (values see below) */
+	unsigned short excludes;	/* relations to other classes.
+					   Mutual exclusion is marked by or'ing the
+					   respective RRCL value in this field.
+					   Exclusions should be symmetric. */
+};
+
+/* Class values */
+#define RRCL_ALIAS	1	/* for CNAMES, conflicts with RRCL_RECORD */
+#define RRCL_RECORD	2	/* normal direct record */
+#define RRCL_IDEM	4	/* types that conflict with no others (MX, CNAME, ...) */
+#define RRCL_PTR	8	/* PTR */
+
+/* Standard excludes for the classes */
+#define RRX_ALIAS	(RRCL_RECORD|RRCL_PTR)
+#define	RRX_RECORD	(RRCL_ALIAS|RRCL_PTR)
+#define	RRX_IDEM	0
+#define	RRX_PTR		(RRCL_ALIAS|RRCL_RECORD)
+
+/* There could be a separate table detailing the relationship of types, but this
+ * is slightly more flexible, as it allows a finer granularity of exclusion. Also,
+ * Membership in multiple classes could be added.
+ * Index by internally used RR-set indices, not RR type values!
+ */
+extern const struct rr_infos rr_info[NRRTOT];
+#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
+const struct rr_infos rr_info[NRRTOT] = {
+END-OF-TEXT
+for(my $i=0; $i<$nrr; ++$i) {
+    print ",\n" if $i;
+    my $val=$rrtpval[$i];
+    my $class = (defined($classdic{$val})? $classdic{$val}: 'IDEM');
+    printf('  %-16s %-15s %s',"{RRCL_$class,", "RRX_$class}", defined($namedic{$val})?"/* $namedic{$val} */":"");
+}
+print << 'END-OF-TEXT';
+
+};
+#endif
+
+int rr_tp_byname(char *name);
+const char *loc2str(const void *binary, char *ascii, size_t asclen);
+
+#endif
+END-OF-TEXT
+
+exit
diff --git a/orbotservice/src/main/jni/pdnsd/src/netdev.c b/orbotservice/src/main/jni/pdnsd/src/netdev.c
new file mode 100644
index 0000000..bd5f8c4
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/netdev.c
@@ -0,0 +1,363 @@
+/* netdev.c - Test network devices for existence and status
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * Portions are under the following copyright and taken from FreeBSD
+ * (clause 3 deleted as it no longer applies):
+ *
+ * Copyright (c) 1982, 1986, 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)if.h	8.1 (Berkeley) 6/10/93
+ * $FreeBSD: src/sys/net/if.h,v 1.58.2.1 2000/05/05 13:37:04 jlemon Exp $
+ */
+
+#include <config.h>
+#include "ipvers.h"
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <netdb.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include "helpers.h"
+#include "netdev.h"
+#include "error.h"
+
+
+#if (TARGET==TARGET_BSD)
+/* Taken from FreeBSD net/if.h rev. 1.58.2.1 */
+#define	SIZEOF_ADDR_IFREQ(ifr) \
+	((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
+	 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \
+	  (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
+#elif (TARGET==TARGET_CYGWIN)
+#define SIZEOF_ADDR_IFREQ(ifr) (sizeof(struct sockaddr))
+#endif
+
+#define MAX_SOCKETOPEN_ERRS 10
+static volatile unsigned long socketopen_errs=0;
+
+/*
+ * Portions of the following code are Linux/FreeBSD specific.
+ * Please write interface-detection routines for other flavours of Unix if you can and want.
+ */
+
+#if (TARGET==TARGET_LINUX) || (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)
+# if (TARGET==TARGET_LINUX)
+
+static volatile unsigned long isdn_errs=0;
+
+#  ifdef ISDN_SUPPORT
+
+/*
+ * Test the status of an ippp interface. Taken from the isdn4k-utils (thanks!) and adapted
+ * by me (I love free software!)
+ * This will not work with older kernels.
+ * If your kernel is too old or too new, just try to get the status as uptest=exec command
+ * This will work, although slower.
+ */
+
+#   include <linux/isdn.h>
+
+int statusif(char *name)
+{
+	isdn_net_ioctl_phone phone;
+	int isdninfo,rc=0;
+
+	if ((isdninfo = open("/dev/isdninfo", O_RDONLY))<0) {
+		if (++isdn_errs<=2) {
+			log_warn("Could not open /dev/isdninfo for uptest: %s",strerror(errno));
+		}
+		return 0;
+	}
+
+	strncp(phone.name, name, sizeof(phone.name));
+	if (ioctl(isdninfo, IIOCNETGPN, &phone)==0)
+		rc=1;
+	close(isdninfo);
+	return rc;
+}
+#  endif
+
+/*
+ * Test whether the network interface specified in ifname and its
+ * associated device specified in devname have locks owned by the
+ * same process.
+ */
+int dev_up(char *ifname, char *devname)
+{
+ 	FILE *fd;
+ 	int pidi, pidd, rv;
+
+	{
+	  char path[sizeof("/var/run/.pid")+strlen(ifname)];
+	  stpcpy(stpcpy(stpcpy(path,"/var/run/"),ifname),".pid");
+	  if ((fd=fopen(path, "r")) == NULL )
+	    return 0;
+
+	  if (fscanf(fd, "%d", &pidi) != 1 ) {
+	    fclose(fd) ;
+	    return 0;
+	  }
+	  fclose(fd);
+	}
+
+	{
+	  char path[sizeof("/var/lock/LCK..")+strlen(devname)];
+	  stpcpy(stpcpy(path,"/var/lock/LCK.."),devname);
+	  if ((fd=fopen(path, "r")) == NULL)
+	    return 0;
+
+	  if (fscanf(fd, "%d", &pidd) != 1) {
+	    fclose(fd);
+	    return 0;
+	  }
+	  fclose(fd);
+	}
+
+ 	if (pidi != pidd)
+		return 0;
+	/* Test whether pppd is still alive */
+	rv=kill(pidi,0);
+	return (rv==0 || (rv==-1 && errno!=ESRCH));
+}
+
+
+# endif /*(TARGET==TARGET_LINUX)*/
+
+/*
+ * Test whether the network device specified in devname is up and
+ * running (returns -1) or non-existent, down or not-running (returns 0)
+ *
+ * Note on IPv6-Comptability: rfc2133 requires all IPv6 implementation
+ * to be backwards-compatible to IPv4 in means of permitting socket(PF_INET,...)
+ * and similar. So, I don't put code here for both IPv4 and IPv6, since
+ * I use that socket only for ioctls. If somebody notices incompatabilities,
+ * please notify me.
+ */
+int if_up(char *devname)
+{
+	int sock;
+	struct ifreq ifr;
+# if (TARGET==TARGET_LINUX)
+	unsigned int devnamelen=strlen(devname);
+	if (devnamelen>4 && devnamelen<=6 && strncmp(devname,"ippp",4)==0) {
+		/* This function didn't manage the interface uptest correctly. Thanks to
+		 * Joachim Dorner for pointing out.
+		 * The new code (statusif()) was shamelessly stolen from isdnctrl.c of the
+		 * isdn4k-utils. */
+#  ifdef ISDN_SUPPORT
+		return statusif(devname);
+#  else
+		if (isdn_errs++==0) {
+			log_warn("An ippp? device was specified for uptest, but pdnsd was compiled without ISDN support.");
+			log_warn("The uptest result will be wrong.");
+		}
+#  endif
+		/* If it doesn't match our rules for isdn devices, treat as normal if */
+	}
+# endif
+	if ((sock=socket(PF_INET,SOCK_DGRAM, IPPROTO_UDP))==-1) {
+		if(++socketopen_errs<=MAX_SOCKETOPEN_ERRS) {
+			log_warn("Could not open socket in if_up(): %s",strerror(errno));
+		}
+		return 0;
+	}
+	strncp(ifr.ifr_name,devname,IFNAMSIZ);
+	if (ioctl(sock,SIOCGIFFLAGS,&ifr)==-1) {
+		close(sock);
+		return 0;
+	}
+	close(sock);
+	return (ifr.ifr_flags&IFF_UP) && (ifr.ifr_flags&IFF_RUNNING);
+}
+
+# if (TARGET==TARGET_LINUX)
+#  ifdef ENABLE_IPV6
+#define MAX_IF_INET6_OPEN_ERRS 10
+static volatile unsigned long if_inet6_open_errs=0;
+#  endif
+
+int is_local_addr(pdnsd_a *a)
+{
+	int res=0;
+
+#  ifdef ENABLE_IPV4
+	if (run_ipv4) {
+		int i,sock;
+		struct ifreq ifr;
+		if ((sock=socket(PF_INET,SOCK_DGRAM, IPPROTO_UDP))==-1) {
+			if(++socketopen_errs<=MAX_SOCKETOPEN_ERRS) {
+				log_warn("Could not open socket in is_local_addr(): %s",strerror(errno));
+			}
+			return 0;
+		}
+		for (i=1;i<255;i++) {
+			ifr.ifr_ifindex=i;
+			if (ioctl(sock,SIOCGIFNAME,&ifr)==-1) {
+				/* There may be gaps in the interface enumeration, so just continue */
+				continue;
+			}
+			if (ioctl(sock,SIOCGIFADDR, &ifr)==-1) {
+				continue;
+			}
+			if (((struct sockaddr_in *)(&ifr.ifr_addr))->sin_addr.s_addr==a->ipv4.s_addr) {
+				res=1;
+				break;
+			}
+		}
+		close(sock);
+	}
+
+#  endif
+#  ifdef ENABLE_IPV6
+	ELSE_IPV6 {
+		char   buf[40];
+		FILE   *f;
+		struct in6_addr b;
+		/* the interface configuration and information retrieval is obiously currently done via
+		 * rt-netlink sockets. I think it is relatively likely to change in an incompatible way the
+		 * Linux kernel (there seem to be some major changes for 2.4).
+		 * Right now, I just analyze the /proc/net/if_inet6 entry. This may not be the fastest, but
+		 * should work and is easy to adapt should the format change. */
+		if (!(f=fopen("/proc/net/if_inet6","r"))) {
+			if(++if_inet6_open_errs<=MAX_IF_INET6_OPEN_ERRS) {
+				log_warn("Could not open /proc/net/if_inet6 in is_local_addr(): %s",strerror(errno));
+			}
+			return 0;
+		}
+		/* The address is at the start of the line. We just read 32 characters and insert a ':' 7
+		 * times. Such, we can use inet_pton conveniently. More portable, that. */
+		for(;;) {
+			int i,ch; char *p=buf;
+			for (i=0;i<32;i++) {
+				if(i && i%4==0) *p++ = ':';
+				if ((ch=fgetc(f))==EOF)
+					goto fclose_return; /* we are at the end of the file and haven't found anything.*/
+				if(ch=='\n') goto nextline;
+				*p++ = ch;
+			}
+			*p=0;
+			if (inet_pton(AF_INET6,buf,&b) >0) {
+				if (IN6_ARE_ADDR_EQUAL(&b,&a->ipv6)) {
+					res=1;
+					goto fclose_return;
+				}
+			}
+			do {
+				if ((ch=fgetc(f))==EOF) goto fclose_return;
+			} while(ch!='\n');
+		nextline:;
+		}
+	fclose_return:
+		fclose(f);
+	}
+#  endif
+	return res;
+}
+
+# else /*(TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)*/
+
+
+#define MAX_SIOCGIFCONF_ERRS 4
+static volatile unsigned long siocgifconf_errs=0;
+
+int is_local_addr(pdnsd_a *a)
+{
+	int retval=0, sock, cnt;
+        struct ifconf ifc;
+	char buf[2048];
+
+
+	if ((sock=socket(PF_INET,SOCK_DGRAM, IPPROTO_UDP))==-1) {
+		if(++socketopen_errs<=MAX_SOCKETOPEN_ERRS) {
+			log_warn("Could not open socket in is_local_addr(): %s",strerror(errno));
+		}
+		return 0;
+	}
+
+	ifc.ifc_len=sizeof(buf);
+	ifc.ifc_buf=buf;
+	if (ioctl(sock,SIOCGIFCONF,&ifc)==-1) {
+		if(++siocgifconf_errs<=MAX_SIOCGIFCONF_ERRS) {
+			log_warn("ioctl() call with request SIOCGIFCONF failed in is_local_addr(): %s",strerror(errno));
+		}
+	        goto close_sock_return;
+	}
+
+	cnt=0;
+	while(cnt+sizeof(struct ifreq)<=ifc.ifc_len) {
+		struct ifreq *ir= (struct ifreq *)(buf+cnt);
+		cnt += SIZEOF_ADDR_IFREQ(*ir);
+		if (cnt>ifc.ifc_len)
+			break;
+		if (SEL_IPVER(ir->ifr_addr.sa_family==AF_INET &&
+			       ((struct sockaddr_in *)&ir->ifr_addr)->sin_addr.s_addr==a->ipv4.s_addr,
+			      ir->ifr_addr.sa_family==AF_INET6 &&
+			       IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)&ir->ifr_addr)->sin6_addr,
+						  &a->ipv6)))
+		{
+			retval=1;
+			break;
+		}
+	}
+
+ close_sock_return:
+	close(sock);
+
+	return retval;
+}
+
+# endif
+
+#else
+# error "Huh. No OS macro defined."
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/netdev.h b/orbotservice/src/main/jni/pdnsd/src/netdev.h
new file mode 100644
index 0000000..529b8a8
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/netdev.h
@@ -0,0 +1,32 @@
+/* netdev.h - Test network devices for existence and status
+   Copyright (C) 2000 Thomas Moestl
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef _NETDEV_H_
+#define _NETDEV_H_
+
+#include <config.h>
+#include "ipvers.h"
+
+int if_up(char *devname);
+int dev_up(char *ifname, char *devname);
+int is_local_addr(pdnsd_a *a);
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.am b/orbotservice/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.am
new file mode 100644
index 0000000..bcb7327
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.am
@@ -0,0 +1,18 @@
+
+sbin_PROGRAMS = pdnsd-ctl
+
+pdnsd_ctl_SOURCES = pdnsd-ctl.c
+pdnsd_ctl_LDADD =  rr_types.o
+pdnsd_ctl_DEPENDENCIES = rr_types.o
+
+# These are Symlinks we want to have in the package
+#EXTRA_DIST = rr_types.h
+
+pdnsd-ctl.o rr_types.o: ../rr_types.h
+
+../rr_types.h: ../make_rr_types_h.pl ../rr_types.in
+	perl ../make_rr_types_h.pl ../rr_types.in > ../rr_types.h
+
+rr_types.o: %.o: ../%.c
+	$(COMPILE) -DCLIENT_ONLY -c $<
+
diff --git a/orbotservice/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.in b/orbotservice/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.in
new file mode 100644
index 0000000..80f3987
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.in
@@ -0,0 +1,470 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+sbin_PROGRAMS = pdnsd-ctl$(EXEEXT)
+subdir = src/pdnsd-ctl
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__installdirs = "$(DESTDIR)$(sbindir)"
+PROGRAMS = $(sbin_PROGRAMS)
+am_pdnsd_ctl_OBJECTS = pdnsd-ctl.$(OBJEXT)
+pdnsd_ctl_OBJECTS = $(am_pdnsd_ctl_OBJECTS)
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+SOURCES = $(pdnsd_ctl_SOURCES)
+DIST_SOURCES = $(pdnsd_ctl_SOURCES)
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+ACLOCAL = @ACLOCAL@
+ALLOCA = @ALLOCA@
+AMTAR = @AMTAR@
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+INSTALL_DATA = @INSTALL_DATA@
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+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
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+MAKEINFO = @MAKEINFO@
+MKDIR_P = @MKDIR_P@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_CC = @ac_ct_CC@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
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+build_alias = @build_alias@
+builddir = @builddir@
+cachedir = @cachedir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+def_id = @def_id@
+distribution = @distribution@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+fullversion = @fullversion@
+host_alias = @host_alias@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+packagerelease = @packagerelease@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+specbuild = @specbuild@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+thread_CFLAGS = @thread_CFLAGS@
+threadlib = @threadlib@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+pdnsd_ctl_SOURCES = pdnsd-ctl.c
+pdnsd_ctl_LDADD = rr_types.o
+pdnsd_ctl_DEPENDENCIES = rr_types.o
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/pdnsd-ctl/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/pdnsd-ctl/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
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+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+install-sbinPROGRAMS: $(sbin_PROGRAMS)
+	@$(NORMAL_INSTALL)
+	test -z "$(sbindir)" || $(MKDIR_P) "$(DESTDIR)$(sbindir)"
+	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p; \
+	  then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	      echo " $(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(sbindir)$$dir'"; \
+	      $(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(sbindir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-sbinPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' `; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(sbindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(sbindir)" && rm -f $$files
+
+clean-sbinPROGRAMS:
+	-test -z "$(sbin_PROGRAMS)" || rm -f $(sbin_PROGRAMS)
+pdnsd-ctl$(EXEEXT): $(pdnsd_ctl_OBJECTS) $(pdnsd_ctl_DEPENDENCIES) 
+	@rm -f pdnsd-ctl$(EXEEXT)
+	$(LINK) $(pdnsd_ctl_OBJECTS) $(pdnsd_ctl_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
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+
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+
+.c.o:
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@	$(COMPILE) -c $<
+
+.c.obj:
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+	  done | \
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+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
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+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
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+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+distclean-generic:
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+	-rm -rf ./$(DEPDIR)
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+	-rm -rf ./$(DEPDIR)
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+	clean-sbinPROGRAMS ctags distclean distclean-compile \
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+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
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+
+# These are Symlinks we want to have in the package
+#EXTRA_DIST = rr_types.h
+
+pdnsd-ctl.o rr_types.o: ../rr_types.h
+
+../rr_types.h: ../make_rr_types_h.pl ../rr_types.in
+	perl ../make_rr_types_h.pl ../rr_types.in > ../rr_types.h
+
+rr_types.o: %.o: ../%.c
+	$(COMPILE) -DCLIENT_ONLY -c $<
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/orbotservice/src/main/jni/pdnsd/src/pdnsd-ctl/pdnsd-ctl.c b/orbotservice/src/main/jni/pdnsd/src/pdnsd-ctl/pdnsd-ctl.c
new file mode 100644
index 0000000..33a21ce
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/pdnsd-ctl/pdnsd-ctl.c
@@ -0,0 +1,799 @@
+/* pdnsd-ctl.c - Control pdnsd through a pipe
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_ALLOCA_H
+#include <alloca.h>
+#endif
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <stddef.h>	/* for offsetof */
+#include "../helpers.h"
+#include "../status.h"
+#include "../conff.h"
+#include "../list.h"
+#include "../dns.h"
+#include "../rr_types.h"
+#include "../cache.h"
+
+#if !defined(HAVE_ALLOCA) && !defined(alloca)
+#define alloca malloc
+#endif
+
+
+#if defined(HAVE_STRUCT_IN6_ADDR) && defined(HAVE_INET_PTON)
+# define ALLOW_AAAA IS_CACHED_AAAA
+#else
+# define ALLOW_AAAA 0
+#endif
+
+static short int verbose=1;
+
+typedef struct {
+	char *name;
+	int  val;
+} cmd_s;
+
+#define CMD_LIST_RRTYPES (CTL_MAX+1)
+#define CMD_HELP         (CTL_MAX+2)
+#define CMD_VERSION      (CTL_MAX+3)
+
+static const cmd_s top_cmds[]={
+	{"help",CMD_HELP},{"version",CMD_VERSION},{"list-rrtypes",CMD_LIST_RRTYPES},
+	{"status",CTL_STATS},{"server",CTL_SERVER},{"record",CTL_RECORD},
+	{"source",CTL_SOURCE},{"add",CTL_ADD},{"neg",CTL_NEG},
+	{"config",CTL_CONFIG},{"include",CTL_INCLUDE},{"eval",CTL_EVAL},
+	{"empty-cache",CTL_EMPTY}, {"dump",CTL_DUMP},
+	{NULL,0}
+};
+static const cmd_s server_cmds[]= {{"up",CTL_S_UP},{"down",CTL_S_DOWN},{"retest",CTL_S_RETEST},{NULL,0}};
+static const cmd_s record_cmds[]= {{"delete",CTL_R_DELETE},{"invalidate",CTL_R_INVAL},{NULL,0}};
+static const cmd_s onoff_cmds[]= {{"off",0},{"on",1},{NULL,0}};
+static const cmd_s rectype_cmds[]= {{"a",T_A},
+#if ALLOW_AAAA
+				    {"aaaa",T_AAAA},
+#endif
+				    {"ptr",T_PTR},{"cname",T_CNAME},{"mx",T_MX},{"ns",T_NS},{NULL,0}};
+
+static const char version_message[] =
+	"pdnsd-ctl, version pdnsd-" VERSION "\n\n";
+
+static const char license_statement[] =
+	"Copyright (C) 2000, 2001 Thomas Moestl\n"
+	"Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011 Paul A. Rombouts\n\n"
+	"This program is part of the pdnsd package.\n\n"
+	"pdnsd is free software; you can redistribute it and/or modify\n"
+	"it under the terms of the GNU General Public License as published by\n"
+	"the Free Software Foundation; either version 3 of the License, or\n"
+	"(at your option) any later version.\n\n"
+	"pdnsd is distributed in the hope that it will be useful,\n"
+	"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+	"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
+	"GNU General Public License for more details.\n\n"
+	"You should have received a copy of the GNU General Public License\n"
+	"along with pdsnd; see the file COPYING.  If not, see\n"
+	"<http://www.gnu.org/licenses/>.\n";
+
+static const char *const help_messages[] =
+{
+	"Usage: pdnsd-ctl [-c cachedir] [-q] <command> [arguments]\n\n"
+
+	"Command-line options:\n"
+
+	"-c\tcachedir\n\tSet the cache directory to cachedir (must match pdnsd setting).\n"
+	"\tThe default is '" CACHEDIR "'.\n"
+	"-q\n\tBe quiet unless output is specified by command or something goes wrong.\n\n"
+
+	"Commands and needed arguments are:\n"
+
+	"help\t[no arguments]\n\tPrint this help.\n"
+	"version\t[no arguments]\n\tPrint version and license info.\n",
+
+	"status\t[no arguments]\n\tPrint pdnsd's status.\n",
+
+	"server\t(index|label)\t(up|down|retest)\t[dns1[,dns2[,...]]]\n"
+	"\tSet the status of the server with the given index to up or down, or\n"
+	"\tforce a retest. The index is assigned in the order of definition in\n"
+	"\tpdnsd.conf starting with 0. Use the status command to see the indexes.\n"
+	"\tYou can specify the label of a server (that matches the label option)\n"
+	"\tinstead of an index to make this easier.\n"
+
+	"\tYou can specify all instead of an index to perform the action for all\n"
+	"\tservers registered with pdnsd.\n"
+
+	"\tAn optional third argument can be given consisting of a list of IP\n"
+	"\taddresses separated by commas or spaces. This list will replace the\n"
+	"\taddresses of name servers used by pdnsd for the given server section.\n"
+	"\tThis feature is useful for run-time configuration of pdnsd with dynamic\n"
+	"\tDNS data in scripts called by ppp or DHCP clients. The last argument\n"
+	"\tmay also be an empty string, which causes existing IP addresses to be\n"
+	"\tremoved and the corresponding server section to become inactive.\n",
+
+	"record\tname\t(delete|invalidate)\n"
+	"\tDelete or invalidate the record of the given domain if it is in the\n"
+	"\tcache.\n",
+
+	"source\tfn\towner\t[ttl]\t[(on|off)]\t[noauth]\n"
+	"\tLoad a hosts-style file. Works like using the pdnsd source\n"
+	"\tconfiguration section.\n"
+	"\tOwner and ttl are used as in the source section. ttl has a default\n"
+	"\tof 900 (it does not need to be specified). The next to last argument\n"
+	"\tcorresponds to the serve_aliases option, and is off by default.\n"
+	"\tnoauth is used to make the domains non-authoritative (please\n"
+	"\tconsult the pdnsd manual for what that means).\n"
+	"\tfn is the name of the file, which must be readable by pdnsd.\n",
+
+	"add\ta\taddr\tname\t[ttl]\t[noauth]\n"
+#if ALLOW_AAAA
+	"add\taaaa\taddr\tname\t[ttl]\t[noauth]\n"
+#endif
+	"add\tptr\thost\tname\t[ttl]\t[noauth]\n"
+	"add\tcname\thost\tname\t[ttl]\t[noauth]\n"
+	"add\tmx\thost\tname\tpref\t[ttl]\t[noauth]\n"
+	"add\tns\thost\tname\t[ttl]\t[noauth]\n"
+	"\tAdd a record of the given type to the pdnsd cache, replacing existing\n"
+	"\trecords for the same name and type. The 2nd argument corresponds\n"
+ 	"\tto the value of the option in the rr section that is named like\n"
+ 	"\tthe first argument. The addr argument may be a list of IP addresses,\n"
+	"\tseparated by commas or white space. The ttl is optional, the default is\n"
+	"\t900 seconds. noauth is used to make the domains non-authoritative.\n"
+ 	"\tIf you want no other record than the newly added in the cache, do\n"
+ 	"\tpdnsdctl record <name> delete\n"
+ 	"\tbefore adding records.\n",
+
+	"neg\tname\t[type]\t[ttl]\n"
+ 	"\tAdd a negatively cached record to pdnsd's cache, replacing existing\n"
+	"\trecords for the same name and type. If no type is given, the whole\n"
+	"\tdomain is cached negatively. For negatively cached records, errors are\n"
+	"\timmediately returned on a query, without querying other servers first.\n"
+	"\tThe ttl is optional, the default is 900 seconds.\n",
+
+	"config\t[filename]\n"
+	"\tReload pdnsd's configuration file.\n"
+	"\tThe config file must be owned by the uid that pdnsd had when it was\n"
+	"\tstarted, and be readable by pdnsd's run_as uid. If no file name is\n"
+	"\tspecified, the config file used at start up is reloaded.\n",
+
+	"include\tfilename\n"
+	"\tParse the given file as an include file, which may contain the same\n"
+	"\ttype of sections as a config file, expect for global and server\n"
+	"\tsections, which are not allowed. This command can be used to add data\n"
+	"\tto the cache without reconfiguring pdnsd.\n",
+
+	"eval\tstring\n"
+	"\tParse string as if it were part of pdnsd's configuration file.\n"
+	"\tThe string should hold one or more complete configuration sections,\n"
+	"\tbut no global and server sections, which are not allowed.\n"
+	"\tIf multiple strings are given, they will be joined using newline chars\n"
+	"\tand parsed together.\n",
+
+	"empty-cache\t[[+|-]name ...]\n"
+	"\tDelete all entries in the cache matching include/exclude rules.\n"
+	"\tIf no arguments are provided, the cache is completely emptied,\n"
+	"\tfreeing all existing entries. This also removes \"local\" records,\n"
+	"\tas defined by the config file. To restore local records, run\n"
+	"\t\"pdnsd-ctl config\" or \"pdnsd-ctl include filename\"  immediately\n"
+	"\tafterwards.\n"
+	"\tIf one or more arguments are provided, these are interpreted as \n"
+	"\tinclude/exclude names. If an argument starts with a '+' the name is to\n"
+	"\tbe included. If an argument starts with a '-' it is to be excluded.\n"
+	"\tIf an argument does not begin with '+' or '-', a '+' is assumed.\n"
+	"\tIf the domain name of a cache entry ends in one of the names in the\n"
+	"\tlist, the first match will determine what happens. If the matching name\n"
+	"\tis to be included, the cache entry is deleted, otherwise it remains.\n"
+	"\tIf there are no matches, the default action is not to delete.\n",
+
+	"dump\t[name]\n"
+	"\tPrint information stored in the cache about name.\n"
+	"\tIf name begins with a dot and is not the root domain, information\n"
+	"\tabout the names in the cache ending in name (including name without\n"
+	"\tthe leading dot) will be printed. If name is missing, information about\n"
+	"\tall the names in the cache will be printed.\n",
+
+	"list-rrtypes\t[no arguments]\n"
+	"\tList available rr types for the neg command. Note that those are only\n"
+	"\tused for the neg command, not for add!\n"
+};
+
+#define NUM_HELP_MESSAGES (sizeof(help_messages)/sizeof(char*))
+
+
+/* Open connection to control socket and send command code.
+   If successful, open_sock returns a file descriptor for the new socket,
+   otherwise the program is aborted.
+*/
+static int open_sock(const char *cache_dir, uint16_t cmd)
+{
+	struct sockaddr_un *sa;
+	unsigned int sa_len;
+	int sock;
+	uint16_t nc;
+
+	if ((sock=socket(PF_UNIX,SOCK_STREAM,0))==-1) {
+		perror("Error: could not open socket");
+		exit(2);
+	}
+
+	sa_len = (offsetof(struct sockaddr_un, sun_path) + strlitlen("/pdnsd.status") + strlen(cache_dir));
+	sa=(struct sockaddr_un *)alloca(sa_len+1);
+	sa->sun_family=AF_UNIX;
+	stpcpy(stpcpy(sa->sun_path,cache_dir),"/pdnsd.status");
+
+	if (connect(sock,(struct sockaddr *)sa,sa_len)==-1) {
+		fprintf(stderr,"Error: could not open socket %s: %s\n",sa->sun_path,strerror(errno));
+		close(sock);
+		exit(2);
+	}
+	if(verbose) printf("Opening socket %s\n",sa->sun_path);
+
+	/* Send command code */
+
+	nc=htons(cmd|CTL_CMDVERNR); /* Add magic number, convert to network byte order. */
+
+	if (write(sock,&nc,sizeof(nc))!=sizeof(nc)) {
+		perror("Error: could not write command code");
+		close(sock);
+		exit(2);
+	}
+
+	return sock;
+}
+
+static void send_long(int fd,uint32_t cmd)
+{
+	uint32_t nc=htonl(cmd);
+
+	if (write(fd,&nc,sizeof(nc))!=sizeof(nc)) {
+		perror("Error: could not write long");
+		close(fd);
+		exit(2);
+	}
+}
+
+static void send_short(int fd,uint16_t cmd)
+{
+	uint16_t nc=htons(cmd);
+
+	if (write(fd,&nc,sizeof(nc))!=sizeof(nc)) {
+		perror("Error: could not write short");
+		close(fd);
+		exit(2);
+	}
+}
+
+#define MAXSENDSTRLEN 0xfffe
+
+static void send_string(int fd, const char *s)
+{
+	if(s) {
+		size_t len=strlen(s);
+		if(len>MAXSENDSTRLEN) {
+			fprintf(stderr,"Error: send_string: string length (%lu) exceeds maximum (%u).\n",
+				(unsigned long)len, MAXSENDSTRLEN);
+			close(fd);
+			exit(2);
+		}
+		send_short(fd,len);
+		if (write_all(fd,s,len)!=len) {
+			perror("Error: could not write string");
+			close(fd);
+			exit(2);
+		}
+	}
+	else
+		send_short(fd, ~0);
+}
+
+static uint16_t read_short(int fd)
+{
+	ssize_t err;
+	uint16_t nc;
+
+	if ((err=read(fd,&nc,sizeof(nc)))!=sizeof(nc)) {
+		fprintf(stderr,"Error: could not read short: %s\n",err<0?strerror(errno):"unexpected EOF");
+		close(fd);
+		exit(2);
+	}
+	return ntohs(nc);
+}
+
+/* copy data from file descriptor fd to file stream out until EOF
+   or error is encountered.
+*/
+static ssize_t copymsgtofile(int fd, FILE* out)
+{
+	ssize_t n,ntot=0;
+	char buf[1024];
+
+	while ((n=read(fd,buf,sizeof(buf)))>0)
+		ntot+=fwrite(buf,1,n,out);
+
+	if(n<0)
+		return n;
+
+	return ntot;
+}
+
+static int match_cmd(const char *cmd, const cmd_s cmds[])
+{
+	int i;
+	for(i=0; cmds[i].name; ++i) {
+		if (strcasecmp(cmd,cmds[i].name)==0)
+			return cmds[i].val;
+	}
+	return -1;
+}
+
+int main(int argc, char *argv[])
+{
+	char *cache_dir= CACHEDIR;
+	int rv=0;
+	{
+		int i;
+		char *arg;
+		for(i=1; i<argc && (arg=argv[i]) && *arg=='-'; ++i) {
+			if(!strcmp(arg,"-c")) {
+				if(++i<argc) {
+					cache_dir= argv[i];
+				}
+				else {
+					fprintf(stderr,"file name expected after -c option.\n");
+					goto print_try_pdnsd_ctl_help;
+				}
+			}
+			else if(!strcmp(arg,"-q")) {
+				verbose=0;
+			}
+			else {
+				fprintf(stderr,"Unknown option: %s\n",arg);
+				goto print_try_pdnsd_ctl_help;
+			}
+		}
+		argc -= i;
+		argv += i;
+	}
+
+	if (argc<1) {
+		fprintf(stderr,"No command specified.\n");
+	print_try_pdnsd_ctl_help:
+		fprintf(stderr,"Try 'pdnsd-ctl help' for available commands and options.\n");
+		exit(2);
+	} else {
+		int pf,acnt=0,cmd;
+
+		cmd=match_cmd(argv[0],top_cmds);
+		if(cmd==-1) {
+			fprintf(stderr,"Command not recognized: %s\n",argv[0]);
+			goto print_try_pdnsd_ctl_help;
+		}
+		switch (cmd) {
+		case CMD_HELP: {
+			int i;
+			fputs(version_message,stdout);
+			for(i=0; i<NUM_HELP_MESSAGES; ++i)
+				fputs(help_messages[i],stdout);
+		}
+			break;
+
+		case CMD_VERSION:
+			fputs(version_message,stdout);
+			fputs(license_statement,stdout);
+			break;
+
+		case CMD_LIST_RRTYPES: {
+			int i;
+			if (argc!=1)
+				goto wrong_args;
+			printf("Available RR types for the neg command:\n");
+			for (i=0; i<NRRTOT; ++i)
+				printf("%s\n",rrnames[rrcachiterlist[i]-T_MIN]);
+		}
+			break;
+
+		case CTL_STATS:
+			if (argc!=1)
+				goto wrong_args;
+			pf=open_sock(cache_dir, cmd);
+			goto copy_pf;
+
+		case CTL_SERVER: {
+			int server_cmd;
+			if (argc<3 || argc>4)
+				goto wrong_args;
+			acnt=2;
+			server_cmd=match_cmd(argv[2],server_cmds);
+			if(server_cmd==-1) goto bad_arg;
+			pf=open_sock(cache_dir, cmd);
+			send_string(pf,argv[1]);
+			send_short(pf,server_cmd);
+			send_string(pf,argc<4?NULL:argv[3]);
+		}
+			goto read_retval;
+
+		case CTL_RECORD: {
+			int record_cmd;
+			if (argc!=3)
+				goto wrong_args;
+			acnt=2;
+			record_cmd=match_cmd(argv[2],record_cmds);
+			if(record_cmd==-1) goto bad_arg;
+			pf=open_sock(cache_dir, cmd);
+			send_short(pf,record_cmd);
+			send_string(pf,argv[1]);
+		}
+			goto read_retval;
+
+		case CTL_SOURCE: {
+			long ttl;
+			int servaliases,flags;
+			if (argc<3 || argc>6)
+				goto wrong_args;
+			ttl=900;
+			flags=DF_LOCAL;
+			acnt=3;
+			if (argc==6 || (argc>=4 && isdigit(argv[3][0]))) {
+				char *endptr;
+				ttl=strtol(argv[3],&endptr,0);
+				if (*endptr)
+					goto bad_arg;
+				acnt++;
+			}
+			servaliases=0;
+			if (acnt<argc && (argc==6 || strcasecmp(argv[acnt], "noauth"))) {
+				servaliases=match_cmd(argv[acnt],onoff_cmds);
+				if(servaliases==-1) goto bad_arg;
+				acnt++;
+			}
+			if (acnt<argc) {
+				if (!strcasecmp(argv[acnt], "noauth"))
+					flags=0;
+				else
+					goto bad_arg;
+			}
+			pf=open_sock(cache_dir, cmd);
+			send_string(pf,argv[1]);
+			send_string(pf,argv[2]);
+			send_long(pf,ttl);
+			send_short(pf,servaliases);
+			send_short(pf,flags);
+		}
+			goto read_retval;
+
+		case CTL_ADD: {
+			long ttl;
+			int tp,flags,pref;
+			unsigned int nadr;
+			size_t adrsz, adrbufsz;
+			char *q;
+
+			if (argc<2) goto wrong_args;
+			acnt=1;
+			tp=match_cmd(argv[1],rectype_cmds);
+			if(tp==-1) goto bad_arg;
+			acnt=((tp==T_MX)?5:4);
+			if (argc<acnt || argc>acnt+2)
+				goto wrong_args;
+
+			ttl=900;
+			flags=DF_LOCAL;
+			pref=0;
+			if(tp==T_MX) {
+				char *endptr;
+				pref=strtol(argv[4],&endptr,0);
+				if (*endptr) {
+					acnt=4;
+					goto bad_arg;
+				}
+			}
+
+			if (acnt<argc && strcasecmp(argv[acnt],"noauth")) {
+				char *endptr;
+				ttl=strtol(argv[acnt],&endptr,0);
+				if (*endptr)
+					goto bad_arg;
+				acnt++;
+			}
+			if (acnt<argc && !strcasecmp(argv[acnt],"noauth")) {
+				flags=0;
+				acnt++;
+			}
+			if (acnt<argc)
+				goto bad_arg;
+
+			nadr=0; adrsz=0;
+			switch (tp) {
+			case T_A:
+				adrsz= sizeof(struct in_addr);
+#if ALLOW_AAAA
+				goto count_addresses;
+			case T_AAAA:
+				adrsz= sizeof(struct in6_addr);
+			count_addresses:
+#endif
+				/* first count the number of comma- or space-delimited address strings,
+				   ignoring blank strings. */
+				for(q=argv[2];;) {
+					for(;;++q) {
+						if(!*q) goto finished_counting_addresses;
+						if(*q!=',' && !isspace(*q)) break;
+					}
+					do {
+						++q;
+					} while(*q && *q!=',' && !isspace(*q));
+					++nadr;
+				}
+			finished_counting_addresses:
+				if (!nadr) {
+					fprintf(stderr,"Empty IP list for 'add %s' command.\n", argv[1]);
+					exit(2);
+				}
+				break;
+			}
+
+			adrbufsz = nadr*adrsz;
+			{
+				/* Variable-size array for storing IP addresses. */
+				unsigned char adrbuf[adrbufsz] __attribute__((aligned));
+
+				switch (tp) {
+				case T_A:
+#if ALLOW_AAAA
+				case T_AAAA:
+#endif
+				{
+					/* Convert the address strings into binary addresses and
+					   store them in adrbuf. */
+					unsigned char *adrp = adrbuf;
+					for(q=argv[2];;) {
+						char *p; size_t len;
+						for(;;++q) {
+							if(!*q) goto finished_converting_addresses;
+							if(*q!=',' && !isspace(*q)) break;
+						}
+						p=q;
+						do {
+							++q;
+						} while(*q && *q!=',' && !isspace(*q));
+						len = q-p;
+						{
+							char tmpbuf[len+1];
+							memcpy(tmpbuf,p,len);
+							tmpbuf[len]=0;
+
+							if(
+#if ALLOW_AAAA
+								tp==T_AAAA? inet_pton(AF_INET6,tmpbuf,adrp)<=0:
+#endif
+								!inet_aton(tmpbuf,(struct in_addr *)adrp))
+							{
+								fprintf(stderr,"Bad IP for 'add %s' command: %s\n",
+									argv[1],tmpbuf);
+								exit(2);
+							}
+						}
+						adrp += adrsz;
+					}
+				}
+				finished_converting_addresses:
+					break;
+				}
+
+				pf=open_sock(cache_dir, cmd);
+				send_short(pf,tp);
+				send_string(pf,argv[3]);
+				send_long(pf,ttl);
+				send_short(pf,flags);
+
+				switch (tp) {
+				case T_A:
+#if ALLOW_AAAA
+				case T_AAAA:
+#endif
+					send_short(pf,nadr);
+					if(write_all(pf,adrbuf,adrbufsz)!=adrbufsz) {
+						perror("Error: could not send IP address(es)");
+						close(pf);
+						exit(2);
+					}
+					break;
+				case T_MX:
+					send_short(pf,pref);
+					/* fall through */
+				case T_PTR:
+				case T_CNAME:
+				case T_NS:
+					send_string(pf,argv[2]);
+					break;
+				}
+			}
+		}
+			goto read_retval;
+
+		case CTL_NEG: {
+			long ttl;
+			int tp;
+
+			if (argc<2 || argc>4)
+				goto wrong_args;
+			tp=255;
+			ttl=900;
+			acnt=2;
+			if (argc==3) {
+				if (isdigit(argv[2][0])) {
+					char *endptr;
+					ttl=strtol(argv[2],&endptr,0);
+					if (*endptr)
+						goto bad_arg;
+				} else if ((tp=rr_tp_byname(argv[2]))==-1) {
+					goto bad_type;
+				}
+			} else if (argc==4) {
+				char *endptr;
+				if ((tp=rr_tp_byname(argv[2]))==-1)
+					goto bad_type;
+				ttl=strtol(argv[3],&endptr,0);
+				if (*endptr) {
+					acnt=3;
+					goto bad_arg;
+				}
+			}
+			pf=open_sock(cache_dir, cmd);
+			send_string(pf,argv[1]);
+			send_short(pf,tp);
+			send_long(pf,ttl);
+		}
+			goto read_retval;
+
+		case CTL_CONFIG:
+			if (argc>2)
+				goto wrong_args;
+			pf=open_sock(cache_dir, cmd);
+			send_string(pf,argc<2?NULL:argv[1]);
+			goto read_retval;
+
+		case CTL_INCLUDE:
+			if (argc!=2)
+				goto wrong_args;
+			pf=open_sock(cache_dir, cmd);
+			send_string(pf,argv[1]);
+			goto read_retval;
+
+		case CTL_EVAL: {
+			int i; size_t bufsz;
+
+			if (argc<2)
+				goto wrong_args;
+			bufsz=0;
+			for(i=1; i<argc; ++i)
+				bufsz += strlen(argv[i])+1;
+
+			if(bufsz>MAXSENDSTRLEN) {
+				fprintf(stderr,"Cannot send 'eval' command: "
+					"string length (%lu) exceeds maximum (%u).\n",
+				(unsigned long)bufsz, MAXSENDSTRLEN);
+				exit(2);
+			}
+			pf=open_sock(cache_dir, cmd);
+			send_short(pf,bufsz);
+			{
+				/* Variable-size array for storing the joined strings. */
+				char buf[bufsz];
+				char *p=buf;
+				for(i=1; i<argc; ++i) {
+					p=stpcpy(p,argv[i]);
+					*p++ = '\n';
+				}
+				if(write_all(pf,buf,bufsz)!=bufsz) {
+					perror("Error: could not write string");
+					close(pf);
+					exit(2);
+				}
+			}
+		}
+			goto read_retval;
+
+		case CTL_EMPTY: {
+			int i; size_t totsz=0;
+			for(i=1; i<argc; ++i)
+				totsz += strlen(argv[i])+1;
+
+			if(totsz>MAXSENDSTRLEN) {
+				fprintf(stderr,"Cannot send 'empty' command: "
+					"string length (%lu) exceeds maximum (%u).\n",
+					(unsigned long)totsz, MAXSENDSTRLEN);
+				exit(2);
+			}
+			pf=open_sock(cache_dir, cmd);
+			if(argc>1) {
+				send_short(pf,totsz);
+				for(i=1; i<argc; ++i) {
+					size_t sz=strlen(argv[i])+1;
+					if(write_all(pf,argv[i],sz)!=sz) {
+						perror("Error: could not write string");
+						close(pf);
+						exit(2);
+					}
+				}
+			}
+			else
+				send_short(pf,~0);
+		}
+			goto read_retval;
+
+		case CTL_DUMP:
+			if (argc>2)
+				goto wrong_args;
+			pf=open_sock(cache_dir, cmd);
+			send_string(pf,argc<2?NULL:argv[1]);
+		copy_pf:
+			if((rv=read_short(pf)))
+				goto retval_failed;
+			if(copymsgtofile(pf,stdout)<0) {
+				perror("Error while reading from socket");
+				close(pf);
+				exit(2);
+			}
+			goto close_pf;
+
+		read_retval:
+			if((rv=read_short(pf))) {
+			retval_failed:
+				fprintf(stderr,"Failed: ");
+				if(copymsgtofile(pf,stderr)<0)
+					fprintf(stderr,"(could not read error message from socket: %s)",strerror(errno));
+
+				fputc('\n',stderr);
+			}
+		close_pf:
+			if(close(pf)==-1)
+				perror("Couldn't close socket");
+			else if (rv==0 && verbose)
+				printf("Succeeded\n");
+			break;
+		wrong_args:
+			fprintf(stderr,"Wrong number of arguments for '%s' command.\n",argv[0]);
+			goto print_cmd_usage;
+		bad_arg:
+			fprintf(stderr,"Bad argument for '%s' command: %s\n",argv[0],argv[acnt]);
+		print_cmd_usage:
+			fprintf(stderr,"Usage:\n\n%s\n"
+				"Try 'pdnsd-ctl help' for a description of all available commands and options.\n",
+				help_messages[cmd]);
+			exit(2);
+		bad_type:
+			fprintf(stderr,"Bad (type) argument for '%s' command: %s\n"
+				"Run 'pdnsd-ctl list-rrtypes' for a list of available rr types.\n",
+				argv[0],argv[acnt]);
+			exit(2);
+		}
+	}
+
+	return rv;
+}
+
diff --git a/orbotservice/src/main/jni/pdnsd/src/pdnsd_assert.h b/orbotservice/src/main/jni/pdnsd/src/pdnsd_assert.h
new file mode 100644
index 0000000..0acdfc2
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/pdnsd_assert.h
@@ -0,0 +1,51 @@
+/* This include file was added by Paul A. Rombouts.
+   I had terrible difficulties with cyclic dependencies of the include files
+   written by Thomas Moestl. The only way I knew how to break the cycle was to
+   put some declarations in a seperate file.
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PDNSD_ASSERT_H
+#define PDNSD_ASSERT_H
+
+/* Originally in helpers.h */
+
+/* format string checking for printf-like functions */
+#ifdef __GNUC__
+#define printfunc(fmt, firstva) __attribute__((__format__(__printf__, fmt, firstva)))
+#else
+#define printfunc(fmt, firstva)
+#endif
+
+void pdnsd_exit(void);
+
+
+/*
+ * Assert macro, used in some places. For now, it should be always defined, not
+ * only in the DEBUG case, to be on the safe side security-wise.
+ */
+#define PDNSD_ASSERT(cond, msg)						\
+	{ if (!(cond)) {						\
+		log_error("%s:%d: %s", __FILE__, __LINE__, msg);	\
+		pdnsd_exit();						\
+ 	} }
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.am b/orbotservice/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.am
new file mode 100644
index 0000000..2a7b420
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.am
@@ -0,0 +1,7 @@
+
+install-exec-local:
+	if [ "$(distribution)" = "ArchLinux" ] ; then			\
+	  $(mkinstalldirs) "$(DESTDIR)/etc/rc.d";			\
+	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/etc/rc.d/pdnsd";\
+	fi
+
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.in b/orbotservice/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.in
new file mode 100644
index 0000000..6af6f9e
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/ArchLinux/Makefile.in
@@ -0,0 +1,332 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = src/rc/ArchLinux
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+	$(srcdir)/pdnsd.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES = pdnsd
+CONFIG_CLEAN_VPATH_FILES =
+SOURCES =
+DIST_SOURCES =
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALLOCA = @ALLOCA@
+AMTAR = @AMTAR@
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+AUTOHEADER = @AUTOHEADER@
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+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
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+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
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+EGREP = @EGREP@
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+GREP = @GREP@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LTLIBOBJS = @LTLIBOBJS@
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+MKDIR_P = @MKDIR_P@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_CC = @ac_ct_CC@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
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+def_id = @def_id@
+distribution = @distribution@
+docdir = @docdir@
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+exec_prefix = @exec_prefix@
+fullversion = @fullversion@
+host_alias = @host_alias@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+packagerelease = @packagerelease@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+specbuild = @specbuild@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+thread_CFLAGS = @thread_CFLAGS@
+threadlib = @threadlib@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/rc/ArchLinux/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/rc/ArchLinux/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+pdnsd: $(top_builddir)/config.status $(srcdir)/pdnsd.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
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+
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+
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+
+install-exec-am: install-exec-local
+
+install-html: install-html-am
+
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+
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+
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+
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+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic distclean \
+	distclean-generic distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-exec-local \
+	install-html install-html-am install-info install-info-am \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-generic pdf pdf-am ps ps-am uninstall \
+	uninstall-am
+
+
+install-exec-local:
+	if [ "$(distribution)" = "ArchLinux" ] ; then			\
+	  $(mkinstalldirs) "$(DESTDIR)/etc/rc.d";			\
+	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/etc/rc.d/pdnsd";\
+	fi
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/ArchLinux/pdnsd.in b/orbotservice/src/main/jni/pdnsd/src/rc/ArchLinux/pdnsd.in
new file mode 100644
index 0000000..c392750
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/ArchLinux/pdnsd.in
@@ -0,0 +1,45 @@
+#!/bin/bash
+
+. /etc/rc.conf
+. /etc/rc.d/functions
+
+PID=`pidof -o %PPID @prefix@/sbin/pdnsd`
+
+start() {
+  stat_busy "Starting PDNSD"
+  [ -z "$PID" ] && @prefix@/sbin/pdnsd -d -c /etc/pdnsd.conf
+  if [ $? -gt 0 ]; then
+    stat_fail
+  else
+    add_daemon pdnsd
+    stat_done
+  fi
+}
+
+stop() {
+  stat_busy "Stopping PDNSD"
+  [ ! -z "$PID" ]  && kill $PID &> /dev/null
+  if [ $? -gt 0 ]; then
+    stat_fail
+  else
+    rm_daemon pdnsd
+    stat_done
+  fi
+}
+
+case "$1" in
+  start)
+    start
+    ;;
+  stop)
+    stop
+    ;;
+  restart)
+    $0 stop
+    sleep 2
+    $0 start
+    ;;
+  *)
+    echo "usage: $0 {start|stop|restart}"  
+esac
+exit 0
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/Debian/Makefile.am b/orbotservice/src/main/jni/pdnsd/src/rc/Debian/Makefile.am
new file mode 100644
index 0000000..61d3eb3
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/Debian/Makefile.am
@@ -0,0 +1,8 @@
+
+install-exec-local:
+	if [ "$(distribution)" = "Debian" ] ; then \
+	  CURDIR=`pwd`; \
+	  $(mkinstalldirs) "$(DESTDIR)/etc/init.d"; \
+	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/etc/init.d"; \
+	  update-rc.d pdnsd defaults 19 ;\
+	fi
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/Debian/Makefile.in b/orbotservice/src/main/jni/pdnsd/src/rc/Debian/Makefile.in
new file mode 100644
index 0000000..992a059
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/Debian/Makefile.in
@@ -0,0 +1,334 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = src/rc/Debian
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+	$(srcdir)/pdnsd.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES = pdnsd
+CONFIG_CLEAN_VPATH_FILES =
+SOURCES =
+DIST_SOURCES =
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALLOCA = @ALLOCA@
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+AUTOCONF = @AUTOCONF@
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+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
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+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+GREP = @GREP@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+MKDIR_P = @MKDIR_P@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
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+def_id = @def_id@
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+exec_prefix = @exec_prefix@
+fullversion = @fullversion@
+host_alias = @host_alias@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+packagerelease = @packagerelease@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+specbuild = @specbuild@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+thread_CFLAGS = @thread_CFLAGS@
+threadlib = @threadlib@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/rc/Debian/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/rc/Debian/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+pdnsd: $(top_builddir)/config.status $(srcdir)/pdnsd.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-exec-local
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic distclean \
+	distclean-generic distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-exec-local \
+	install-html install-html-am install-info install-info-am \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-generic pdf pdf-am ps ps-am uninstall \
+	uninstall-am
+
+
+install-exec-local:
+	if [ "$(distribution)" = "Debian" ] ; then \
+	  CURDIR=`pwd`; \
+	  $(mkinstalldirs) "$(DESTDIR)/etc/init.d"; \
+	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/etc/init.d"; \
+	  update-rc.d pdnsd defaults 19 ;\
+	fi
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/Debian/pdnsd.in b/orbotservice/src/main/jni/pdnsd/src/rc/Debian/pdnsd.in
new file mode 100644
index 0000000..068606e
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/Debian/pdnsd.in
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+#
+# This script was written and contributed by Markus Mohr, and
+# slightly modified by me for version 1.0.6 (which obviously
+# broke it some way). I then applied a set of corrections
+# by Markus Mohr.
+#
+# Carsten Block has patched this with some magic so that
+# the actual script is generated by configure, and that
+# the pdnsd user is determined from pdnsd.conf
+# I changed this a little to use the --pdnsd-user option
+# of pdnsd to determine the run_as user.
+#
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+
+test -x @prefix@/sbin/pdnsd || exit 0
+
+case "$1" in
+    start)
+    	# Check if cache dir exists and recreate if neccessary
+	test -d @cachedir@ || mkdir @cachedir@
+	RUNAS=`@prefix@/sbin/pdnsd --pdnsd-user` || echo -n " failed"
+	[ -z "$RUNAS" ] && RUNAS=nobody
+	chown $RUNAS @cachedir@
+	echo -n "Starting domain name service: pdnsd"
+	start-stop-daemon --start --quiet --pidfile /var/run/pdnsd.pid --name pdnsd \
+	--exec @prefix@/sbin/pdnsd -- --daemon -p /var/run/pdnsd.pid \
+	|| echo -n " failed"
+	echo "."
+    ;;
+
+    stop)
+	echo -n "Stopping domain name service: pdnsd"
+	start-stop-daemon --stop --quiet  --pidfile /var/run/pdnsd.pid --name pdnsd --exec @prefix@/sbin/pdnsd \
+	|| echo -n " failed"
+	echo "."
+    ;;
+
+    restart)
+        $0 stop
+	$0 start
+    ;;
+    
+    *)
+	echo "Usage: /etc/init.d/pdnsd {start|stop|restart}" >&2
+	exit 1
+    ;;
+esac
+
+exit 0
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/Makefile.am b/orbotservice/src/main/jni/pdnsd/src/rc/Makefile.am
new file mode 100644
index 0000000..abf2e6d
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/Makefile.am
@@ -0,0 +1,5 @@
+
+SUBDIRS = RedHat SuSE Debian Slackware ArchLinux
+
+EXTRA_DIST = README
+
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/Makefile.in b/orbotservice/src/main/jni/pdnsd/src/rc/Makefile.in
new file mode 100644
index 0000000..38ee297
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/Makefile.in
@@ -0,0 +1,526 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = src/rc
+DIST_COMMON = README $(srcdir)/Makefile.am $(srcdir)/Makefile.in
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+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+SOURCES =
+DIST_SOURCES =
+RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
+	html-recursive info-recursive install-data-recursive \
+	install-dvi-recursive install-exec-recursive \
+	install-html-recursive install-info-recursive \
+	install-pdf-recursive install-ps-recursive install-recursive \
+	installcheck-recursive installdirs-recursive pdf-recursive \
+	ps-recursive uninstall-recursive
+RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive	\
+  distclean-recursive maintainer-clean-recursive
+AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \
+	$(RECURSIVE_CLEAN_TARGETS:-recursive=) tags TAGS ctags CTAGS \
+	distdir
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+DIST_SUBDIRS = $(SUBDIRS)
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+am__relativize = \
+  dir0=`pwd`; \
+  sed_first='s,^\([^/]*\)/.*$$,\1,'; \
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+  sed_last='s,^.*/\([^/]*\)$$,\1,'; \
+  sed_butlast='s,/*[^/]*$$,,'; \
+  while test -n "$$dir1"; do \
+    first=`echo "$$dir1" | sed -e "$$sed_first"`; \
+    if test "$$first" != "."; then \
+      if test "$$first" = ".."; then \
+        dir2=`echo "$$dir0" | sed -e "$$sed_last"`/"$$dir2"; \
+        dir0=`echo "$$dir0" | sed -e "$$sed_butlast"`; \
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+	  ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
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+	  empty_fix=.; \
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+	  fi; \
+	fi
+ctags: CTAGS
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+		$(TAGS_FILES) $(LISP)
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+	unique=`for i in $$list; do \
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+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
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+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
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+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
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+distclean-tags:
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+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
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+	    fi; \
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+	    || cp -p $$d/$$file "$(distdir)/$$file" \
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+	      || exit 1; \
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+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+maintainer-clean-generic:
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+	@echo "it deletes files that may require special tools to rebuild."
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+	install-am install-strip tags-recursive
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+.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
+	all all-am check check-am clean clean-generic ctags \
+	ctags-recursive distclean distclean-generic distclean-tags \
+	distdir dvi dvi-am html html-am info info-am install \
+	install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
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diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/README b/orbotservice/src/main/jni/pdnsd/src/rc/README
new file mode 100644
index 0000000..4e00764
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/README
@@ -0,0 +1,104 @@
+rc/
+===
+
+These are start scripts for different Linux distros and other things that
+do not directly belong to pdnsd. 
+If you do start scripts for the distro you use, please GPL them and send 
+them in, so that they can be included in this package for other users.
+Note that there is NO WARRANTY OF ANY KIND on anything in this directory;
+read the COPYING that comes with pdnsd for details.
+So far there are files in the following directories:
+
+SuSE
+----
+pdnsd	- Start script for SuSE Linux. Tested for 6.? but should run on some
+	  versions below. You can do 'make install' as root in the SuSE 
+	  directory to install it, or you can install manually:
+	  --manual installation-------------------------------------------------
+	  For manual installation, copy it into /sbin/init.d/, go to
+	  /sbin/init.d/rc2.d/ and create there the following two symlinks:
+	S11pdnsd -> ../pdnsd (do "ln -s ../pdnsd S11pdnsd" in that dir)
+	K34pdnsd -> ../pdnsd (do "ln -s ../pdnsd K34pdnsd" in that dir)
+	  The numbers dictate the order different services are started and 
+	  might need to be modified. Then edit your /etc/rc.config file and
+	  add the line "START_PDNSD=yes" to start pdnsd at boot time.
+	  ----------------------------------------------------------------------
+	  If you used the 'make install' command, "START_PDNSD=yes" has been
+	  appended to your /etc/rc.config file, causing pdnsd to be started
+	  at boot time. If you don't want that, change the "yes" into "no". 
+	  This start script was created from /sbin/init.d/skeleton by me, so the
+	  most is copyrighted by SuSE. They put it under the GPL, however, so
+	  the licence stated in COPYING also applies to this script.
+          This is no official SuSE script, and SuSE naturally does NO support 
+	  for it.
+
+Redhat
+------
+The contents of the Redhat directory and the following documentation were 
+contributed by Torben Janssen. Thanks a lot!
+
+pdnsd	- Start script for Redhat Linux. Tested for 6.1 but should run on 5.0+.
+	  You can do 'make install' as root in the Redhat directory to
+	  install it, or you can install manually:
+	    
+	  --manual installation-------------------------------------------------
+	  For manual installation, copy pdnsd into /etc/rc.d/init.d/
+		
+	  Then go to /etc/rc.d/rc3.d and create there the following symlink:
+	  S78pdnsd -> ../init.d/pdnsd 
+	  (do "ln -f -s ../init.d/pdnsd S78pdnsd" in that dir)
+		
+	  Then go to /etc/rc.d/rc0.d and create there the following symlink:
+	  K78pdnsd -> ../init.d/pdnsd 
+	  (do "ln -f -s ../init.d/pdnsd K78pdnsd" in that dir)
+		
+	  Then go to /etc/rc.d/rc6.d and create there the following symlink:
+	  K78pdnsd -> ../init.d/pdnsd 
+	  (do "ln -f -s ../init.d/pdnsd K78pdnsd" in that dir)
+		
+	  WHY
+	  ---
+	  the rc[0-6].d dirs includes the scripts which starts/stops the 
+	  services on entering runlevel [0-6]
+	  the interesting runlevels on Redhat are: 
+	  0 - halt
+	  3 - multi user system
+	  6 - reboot
+	  The links have an 'S' or 'K' and a number at the beginnig. All links
+	  with 'S' starts the script on entering the runlevel and 'K' stops 
+	  them.
+	  So, there's an 'S' link in rc3 and 'K' links in rc0 and rc6.
+	  I choose 78 as number, because there was no script with this number on
+	  my system. You can choose every number you want, AFAIK .
+	
+	  This is no offical Redhat script, and Redhat naturally does NO support
+	  for it.
+
+Debian
+------
+The contents of the Debian directory were contributed by Markus Mohr. 
+His installation instructions are (translated):
+Install the pdnsd script to /etc/init and run 
+update-rc.d pdnsd defaults 19
+as root.
+
+Slackware
+---------
+A Slackware start-up script rc.pdnsd was contributed by Nikola Kotur <kotnik@xxxxxxxxxxxx>.
+His comments were:
+
+Slackware uses traditional BSD style init script layout instead of SystemV 
+style startup scripts.  So I adjusted the start-up script for pdnsd, and 
+now it can be used with Slackware 9.1 distribution, and probably with all the 
+others.
+
+Additional info:
+1) put these lines in the /etc/rc.d/rc.M:
+	if [ -x /etc/rc.d/rc.pdnsd ]; then
+		/etc/rc.d/rc.pdnsd start
+	fi
+
+2) put these lines in the /etc/rc.d/rc.6 and /etc/rc.d/rc.K:
+	if [ -x /etc/rc.d/rc.pdnsd ]; then
+		/etc/rc.d/rc.pdnsd stop
+	fi
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/RedHat/Makefile.am b/orbotservice/src/main/jni/pdnsd/src/rc/RedHat/Makefile.am
new file mode 100644
index 0000000..cb8de88
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/RedHat/Makefile.am
@@ -0,0 +1,12 @@
+
+# no need to create links. 'chkconfig' will take care of this.
+# In the spec case, chkconfig is called during rpm install
+install-exec-local:
+	if [ "$(distribution)" = "RedHat" ] ; then \
+	  $(mkinstalldirs) "$(DESTDIR)/etc/rc.d/init.d"; \
+	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/etc/rc.d/init.d/pdnsd"; \
+	    if [ "$(specbuild)" = "no" ] ; then \
+	      /sbin/chkconfig --add pdnsd; \
+	    fi \
+	fi
+
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/RedHat/Makefile.in b/orbotservice/src/main/jni/pdnsd/src/rc/RedHat/Makefile.in
new file mode 100644
index 0000000..a88a037
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/RedHat/Makefile.in
@@ -0,0 +1,337 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
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+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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+AMTAR = @AMTAR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+GREP = @GREP@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+MKDIR_P = @MKDIR_P@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_CC = @ac_ct_CC@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build_alias = @build_alias@
+builddir = @builddir@
+cachedir = @cachedir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+def_id = @def_id@
+distribution = @distribution@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+fullversion = @fullversion@
+host_alias = @host_alias@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+packagerelease = @packagerelease@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+specbuild = @specbuild@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+thread_CFLAGS = @thread_CFLAGS@
+threadlib = @threadlib@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/rc/RedHat/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/rc/RedHat/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+pdnsd: $(top_builddir)/config.status $(srcdir)/pdnsd.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-exec-local
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic distclean \
+	distclean-generic distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-exec-local \
+	install-html install-html-am install-info install-info-am \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-generic pdf pdf-am ps ps-am uninstall \
+	uninstall-am
+
+
+# no need to create links. 'chkconfig' will take care of this.
+# In the spec case, chkconfig is called during rpm install
+install-exec-local:
+	if [ "$(distribution)" = "RedHat" ] ; then \
+	  $(mkinstalldirs) "$(DESTDIR)/etc/rc.d/init.d"; \
+	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/etc/rc.d/init.d/pdnsd"; \
+	    if [ "$(specbuild)" = "no" ] ; then \
+	      /sbin/chkconfig --add pdnsd; \
+	    fi \
+	fi
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/RedHat/pdnsd.in b/orbotservice/src/main/jni/pdnsd/src/rc/RedHat/pdnsd.in
new file mode 100644
index 0000000..b6d9081
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/RedHat/pdnsd.in
@@ -0,0 +1,88 @@
+#!/bin/bash
+#
+#	/etc/rc.d/init.d/pdnsd
+#
+# Script for starting the Proxy DNS Daemon
+# Modified by Paul Rombouts, 2003
+#
+# chkconfig: 2345 11 89
+# description: Proxy DNS Daemon
+# processname: pdnsd
+# config: /etc/pdnsd.conf
+
+PATH=/sbin:/usr/sbin:/usr/local/sbin:/bin:/usr/bin:/usr/local/bin
+
+# Source function library.
+. /etc/rc.d/init.d/functions
+
+# Source networking configuration.
+. /etc/sysconfig/network
+
+# Check that networking is up.
+if [[ $NETWORKING == [Nn][Oo] ]]; then exit 0; fi
+
+# Source sysconfig settings, if any.
+if [ -f /etc/sysconfig/pdnsd ]; then . /etc/sysconfig/pdnsd; fi
+
+start() {
+	echo -n 'Starting pdnsd: '
+	daemon @prefix@/sbin/pdnsd -d -s -p /var/run/pdnsd.pid "$EXTRAOPTIONS"
+	local RETVAL=$?
+	echo
+	if [ $RETVAL -eq 0 ]; then touch /var/lock/subsys/pdnsd; fi
+	return $RETVAL
+}
+
+stop() {
+	echo -n 'Shutting down pdnsd: '
+	killproc pdnsd
+	local RETVAL=$?
+	case @threadlib@ in
+	    [Ll]inux[Tt]hreads*|lt*)
+		# Wait until all threads have terminated.
+		local -i count=20
+		while [[ count -gt 0 ]] && pidof pdnsd > /dev/null
+		do
+		  usleep 200000
+		  let --count
+		done
+		;;
+	esac
+	echo
+	if [ $RETVAL -eq 0 ]; then rm -f /var/lock/subsys/pdnsd; fi
+	return $RETVAL
+}
+
+restart() {
+	stop
+	start
+}
+
+#
+#	See how we were called.
+#
+case "$1" in
+  start)
+	start
+	;;
+  stop)
+	stop
+	;;
+  status)
+	status pdnsd
+	;;
+  reload)
+	@prefix@/sbin/pdnsd-ctl config
+	;;
+  restart)
+	restart
+  	;;
+  condrestart)
+	if [ -f /var/lock/subsys/pdnsd ]; then restart; fi
+  	;;
+  *)
+	echo $"Usage: $0 {start|stop|status|restart|condrestart|reload}"
+	exit 1
+esac
+
+exit
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/Slackware/Makefile.am b/orbotservice/src/main/jni/pdnsd/src/rc/Slackware/Makefile.am
new file mode 100644
index 0000000..e44b50f
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/Slackware/Makefile.am
@@ -0,0 +1,3 @@
+# TODO: write an install rule for the Slackware start-up script.
+
+install-exec-local:
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/Slackware/Makefile.in b/orbotservice/src/main/jni/pdnsd/src/rc/Slackware/Makefile.in
new file mode 100644
index 0000000..14ebd33
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/Slackware/Makefile.in
@@ -0,0 +1,330 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# TODO: write an install rule for the Slackware start-up script.
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = src/rc/Slackware
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+	$(srcdir)/rc.pdnsd.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES = rc.pdnsd
+CONFIG_CLEAN_VPATH_FILES =
+SOURCES =
+DIST_SOURCES =
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALLOCA = @ALLOCA@
+AMTAR = @AMTAR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+GREP = @GREP@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+MKDIR_P = @MKDIR_P@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
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+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
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+datadir = @datadir@
+datarootdir = @datarootdir@
+def_id = @def_id@
+distribution = @distribution@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+fullversion = @fullversion@
+host_alias = @host_alias@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+packagerelease = @packagerelease@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+specbuild = @specbuild@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+thread_CFLAGS = @thread_CFLAGS@
+threadlib = @threadlib@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/rc/Slackware/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/rc/Slackware/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+rc.pdnsd: $(top_builddir)/config.status $(srcdir)/rc.pdnsd.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
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+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
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+
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+
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+
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+
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+
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+
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+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic distclean \
+	distclean-generic distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-exec-local \
+	install-html install-html-am install-info install-info-am \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-generic pdf pdf-am ps ps-am uninstall \
+	uninstall-am
+
+
+install-exec-local:
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/Slackware/rc.pdnsd.in b/orbotservice/src/main/jni/pdnsd/src/rc/Slackware/rc.pdnsd.in
new file mode 100644
index 0000000..6e96971
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/Slackware/rc.pdnsd.in
@@ -0,0 +1,74 @@
+#!/bin/bash
+#
+#	/etc/rc.d/rc.pdnsd
+#
+# Starts the Proxy DNS Daemon
+#
+# description: Proxy DNS Daemon
+# processname: pdnsd
+# config: /etc/pdnsd.conf
+# distribution: Slackware
+# author: Nikola Kotur <kotnik@xxxxxxxxxxxx>
+#
+# Additional info:
+# 1) put these lines in the /etc/rc.d/rc.M:
+#	if [ -x /etc/rc.d/rc.pdnsd ]; then
+#		/etc/rc.d/rc.pdnsd start
+#	fi
+#
+# 2) put these lines in the /etc/rc.d/rc.6 and /etc/rc.d/rc.K:
+#	if [ -x /etc/rc.d/rc.pdnsd ]; then
+#		/etc/rc.d/rc.pdnsd stop
+#	fi
+
+
+test -x @prefix@/sbin/pdnsd || exit 0
+[ -f @sysconfdir@/pdnsd.conf ] || exit 1
+
+RETVAL=0
+
+start() {
+	echo -n "Starting pdnsd... "
+	RETVAL=$?
+ 	@prefix@/sbin/pdnsd -d
+	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/pdnsd
+	echo ' OK'
+}
+
+stop() {
+	echo -n "Shutting down pdnsd... "
+	killall pdnsd
+	RETVAL=$?
+	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/pdnsd
+	echo ' OK'
+}
+
+restart() {
+	stop
+	start
+}
+
+condrestart() {
+	[ -e /var/lock/subsys/pdnsd ] && restart
+	return 0
+}
+
+case "$1" in
+  start)
+	start
+	;;
+  stop)
+	stop
+	;;
+  reload|restart)
+	restart
+  	;;
+  condrestart)
+	condrestart
+  	;;
+  *)
+	echo $"Usage: $0 {start|stop|restart|condrestart|reload}"
+	RETVAL=1
+esac
+
+exit $RETVAL
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/SuSE/Makefile.am b/orbotservice/src/main/jni/pdnsd/src/rc/SuSE/Makefile.am
new file mode 100644
index 0000000..dc5f485
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/SuSE/Makefile.am
@@ -0,0 +1,22 @@
+
+install-exec-local:
+	if [ "$(distribution)" = "SuSE" ] ; then \
+	  CURDIR=`pwd`; \
+	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d"; \
+	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/sbin/init.d/pdnsd"; \
+	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d/rc2.d"; \
+	  cd "$(DESTDIR)/sbin/init.d/rc2.d"; \
+	  ln -fs ../pdnsd K34pdnsd; ln -s ../pdnsd S11pdnsd; \
+	  cd $$CURDIR ; \
+	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d/rc3.d"; \
+	  cd "$(DESTDIR)/sbin/init.d/rc3.d"; \
+	  ln -fs ../pdnsd K34pdnsd; ln -s ../pdnsd S11pdnsd; \
+	  cd $$CURDIR ; \
+	  grep "START_PDNSD" "$(DESTDIR)/etc/rc.config" > /dev/null ; \
+	  if [ $$? -eq 1 ] ; then \
+	    echo -e "\n\n#\n# Set to yes to start pdnsd at boot time\n#\nSTART_PDNSD=yes" >> /etc/rc.config ; \
+	  fi \
+	fi
+
+
+
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/SuSE/Makefile.in b/orbotservice/src/main/jni/pdnsd/src/rc/SuSE/Makefile.in
new file mode 100644
index 0000000..df1660f
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/SuSE/Makefile.in
@@ -0,0 +1,345 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = src/rc/SuSE
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+	$(srcdir)/pdnsd.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES = pdnsd
+CONFIG_CLEAN_VPATH_FILES =
+SOURCES =
+DIST_SOURCES =
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+install_sh = @install_sh@
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+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
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+oldincludedir = @oldincludedir@
+packagerelease = @packagerelease@
+pdfdir = @pdfdir@
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+sysconfdir = @sysconfdir@
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+thread_CFLAGS = @thread_CFLAGS@
+threadlib = @threadlib@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/rc/SuSE/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/rc/SuSE/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+pdnsd: $(top_builddir)/config.status $(srcdir)/pdnsd.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
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+
+install-exec-am: install-exec-local
+
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+
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+
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+
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+
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+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic distclean \
+	distclean-generic distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-exec-local \
+	install-html install-html-am install-info install-info-am \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-generic pdf pdf-am ps ps-am uninstall \
+	uninstall-am
+
+
+install-exec-local:
+	if [ "$(distribution)" = "SuSE" ] ; then \
+	  CURDIR=`pwd`; \
+	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d"; \
+	  $(INSTALL_SCRIPT) $(srcdir)/pdnsd "$(DESTDIR)/sbin/init.d/pdnsd"; \
+	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d/rc2.d"; \
+	  cd "$(DESTDIR)/sbin/init.d/rc2.d"; \
+	  ln -fs ../pdnsd K34pdnsd; ln -s ../pdnsd S11pdnsd; \
+	  cd $$CURDIR ; \
+	  $(mkinstalldirs) "$(DESTDIR)/sbin/init.d/rc3.d"; \
+	  cd "$(DESTDIR)/sbin/init.d/rc3.d"; \
+	  ln -fs ../pdnsd K34pdnsd; ln -s ../pdnsd S11pdnsd; \
+	  cd $$CURDIR ; \
+	  grep "START_PDNSD" "$(DESTDIR)/etc/rc.config" > /dev/null ; \
+	  if [ $$? -eq 1 ] ; then \
+	    echo -e "\n\n#\n# Set to yes to start pdnsd at boot time\n#\nSTART_PDNSD=yes" >> /etc/rc.config ; \
+	  fi \
+	fi
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/orbotservice/src/main/jni/pdnsd/src/rc/SuSE/pdnsd.in b/orbotservice/src/main/jni/pdnsd/src/rc/SuSE/pdnsd.in
new file mode 100644
index 0000000..9711eca
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rc/SuSE/pdnsd.in
@@ -0,0 +1,68 @@
+#! /bin/sh
+# Copyright (c) 1995-1998 SuSE GmbH Nuernberg, Germany.
+#
+# Modified 2000 from SuSE Linux 6.3 /sbin/init.d/skeleton by Thomas Moestl
+#
+# /sbin/init.d/pdnsd
+#
+#   and symbolic its link
+#
+# /sbin/rc?/pdnsd
+#
+
+. /etc/rc.config
+
+# Determine the base and follow a runlevel link name.
+base=${0##*/}
+link=${base#*[SK][0-9][0-9]}
+
+# Force execution if not called by a runlevel directory.
+test $link = $base && START_PDNSD=yes
+test "$START_PDNSD" = yes || exit 0
+
+# The echo return value for success (defined in /etc/rc.config).
+return=$rc_done
+case "$1" in
+    start)
+	echo -n "Starting pdnsd"
+	## Start daemon with startproc(8). If this fails
+	## the echo return value is set appropriate.
+
+	startproc @prefix@/sbin/pdnsd -d || return=$rc_failed
+	
+	echo -e "$return"
+	;;
+    stop)
+	echo -n "Shutting down pdnsd"
+	## Stop daemon with killproc(8) and if this fails
+	## set echo the echo return value.
+
+	killproc -TERM @prefix@/sbin/pdnsd || return=$rc_failed
+
+	echo -e "$return"
+	;;
+    restart)
+	## If first returns OK call the second, if first or
+	## second command fails, set echo return value.
+	$0 stop  &&  $0 start  ||  return=$rc_failed
+	;;
+    reload)
+	$0 stop  &&  $0 start  ||  return=$rc_failed
+	;;
+    status)
+	echo -n "Checking for pdnsd: "
+	## Check status with checkproc(8), if process is running
+	## checkproc will return with exit status 0.
+
+	checkproc @prefix@/sbin/pdnsd && echo OK || echo No process
+	;;
+    *)
+	echo "Usage: $0 {start|stop|status|restart|reload}"
+	exit 1
+	;;
+esac
+
+# Inform the caller not only verbosely and set an exit status.
+test "$return" = "$rc_done" || exit 1
+exit 0
+
diff --git a/orbotservice/src/main/jni/pdnsd/src/rr_types.c b/orbotservice/src/main/jni/pdnsd/src/rr_types.c
new file mode 100644
index 0000000..275a90a
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rr_types.c
@@ -0,0 +1,172 @@
+/* rr_types.c - Tables with information for handling
+                all rr types known to pdnsd, plus
+		some helper functions useful for turning
+		binary RR data into text or vice versa.
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2003, 2004, 2007, 2010, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <string.h>
+#include <stdio.h>
+#define DEFINE_RR_TYPE_ARRAYS 1
+#include "helpers.h"
+#include "dns.h"
+#include "rr_types.h"
+
+
+/*
+ * OK, this is inefficient. But it is used _really_ seldom (only in some cases while parsing the
+ * config file or by pdnsd-ctl), so it is much more effective to sort by id.
+ */
+int rr_tp_byname(char *name)
+{
+	int i;
+
+	for (i=0;i<T_NUM;i++) {
+		if (strcmp(name, rrnames[i])==0)
+			return i+T_MIN;
+	}
+	return -1; /* invalid */
+}
+
+/* The following is not needed by pdnsd-ctl. */
+#ifndef CLIENT_ONLY
+
+static const unsigned int poweroften[8] = {1, 10, 100, 1000, 10000, 100000,
+					   1000000,10000000};
+#define NPRECSIZE (sizeof "90000000")
+/* takes an XeY precision/size value, returns a string representation.
+   This is an adapted version of the function of the same name that
+   can be found in the BIND 9 source.
+ */
+static const char *precsize_ntoa(uint8_t prec,char *retbuf)
+{
+	unsigned int mantissa, exponent;
+
+	mantissa = (prec >> 4);
+	exponent = (prec & 0x0f);
+
+	if(mantissa>=10 || exponent>=10)
+		return NULL;
+	if (exponent>= 2)
+		sprintf(retbuf, "%u", mantissa * poweroften[exponent-2]);
+	else
+		sprintf(retbuf, "0.%.2u", mantissa * poweroften[exponent]);
+	return (retbuf);
+}
+
+/* takes an on-the-wire LOC RR and formats it in a human readable format.
+   This is an adapted version of the loc_ntoa function that
+   can be found in the BIND 9 source.
+ */
+const char *loc2str(const void *binary, char *ascii, size_t asclen)
+{
+	const unsigned char *cp = binary;
+
+	int latdeg, latmin, latsec, latsecfrac;
+	int longdeg, longmin, longsec, longsecfrac;
+	char northsouth, eastwest;
+	const char *altsign;
+	int altmeters, altfrac;
+
+	const uint32_t referencealt = 100000 * 100;
+
+	int32_t latval, longval, altval;
+	uint32_t templ;
+	uint8_t sizeval, hpval, vpval, versionval;
+
+	char sizestr[NPRECSIZE],hpstr[NPRECSIZE],vpstr[NPRECSIZE];
+
+	versionval = *cp++;
+
+	if (versionval) {
+		/* unknown LOC RR version */
+		return NULL;
+	}
+
+	sizeval = *cp++;
+
+	hpval = *cp++;
+	vpval = *cp++;
+
+	GETINT32(templ, cp);
+	latval = (templ - ((unsigned)1<<31));
+
+	GETINT32(templ, cp);
+	longval = (templ - ((unsigned)1<<31));
+
+	GETINT32(templ, cp);
+	if (templ < referencealt) { /* below WGS 84 spheroid */
+		altval = referencealt - templ;
+		altsign = "-";
+	} else {
+		altval = templ - referencealt;
+		altsign = "";
+	}
+
+	if (latval < 0) {
+		northsouth = 'S';
+		latval = -latval;
+	} else
+		northsouth = 'N';
+
+	latsecfrac = latval % 1000;
+	latval /= 1000;
+	latsec = latval % 60;
+	latval /= 60;
+	latmin = latval % 60;
+	latval /= 60;
+	latdeg = latval;
+
+	if (longval < 0) {
+		eastwest = 'W';
+		longval = -longval;
+	} else
+		eastwest = 'E';
+
+	longsecfrac = longval % 1000;
+	longval /= 1000;
+	longsec = longval % 60;
+	longval /= 60;
+	longmin = longval % 60;
+	longval /= 60;
+	longdeg = longval;
+
+	altfrac = altval % 100;
+	altmeters = (altval / 100);
+
+	if(!precsize_ntoa(sizeval,sizestr) || !precsize_ntoa(hpval,hpstr) || !precsize_ntoa(vpval,vpstr))
+		return NULL;
+	{
+		int n=snprintf(ascii,asclen,
+			       "%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %s%d.%.2dm %sm %sm %sm",
+			       latdeg, latmin, latsec, latsecfrac, northsouth,
+			       longdeg, longmin, longsec, longsecfrac, eastwest,
+			       altsign, altmeters, altfrac,
+			       sizestr, hpstr, vpstr);
+		if(n<0 || n>=asclen)
+			return NULL;
+	}
+
+	return (ascii);
+}
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/rr_types.h b/orbotservice/src/main/jni/pdnsd/src/rr_types.h
new file mode 100644
index 0000000..6025fae
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rr_types.h
@@ -0,0 +1,536 @@
+/* This file was generated by running 'make_rr_types_h.pl rr_types.in'.
+   Modifications to this file may be lost the next time it is automatically
+   regenerated.
+*/
+
+/* rr_types.h - A header file with names & descriptions of
+                all rr types known to pdnsd
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2007, 2010, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _RR_TYPES_H_
+#define _RR_TYPES_H_
+
+#include <config.h>
+
+#define T_MIN 1
+#define T_A           1
+#define T_NS          2
+#define T_MD          3
+#define T_MF          4
+#define T_CNAME       5
+#define T_SOA         6
+#define T_MB          7
+#define T_MG          8
+#define T_MR          9
+#define T_NULL       10
+#define T_WKS        11
+#define T_PTR        12
+#define T_HINFO      13
+#define T_MINFO      14
+#define T_MX         15
+#define T_TXT        16
+#define T_RP         17
+#define T_AFSDB      18
+#define T_X25        19
+#define T_ISDN       20
+#define T_RT         21
+#define T_NSAP       22
+#define T_NSAP_PTR   23
+#define T_SIG        24
+#define T_KEY        25
+#define T_PX         26
+#define T_GPOS       27
+#define T_AAAA       28
+#define T_LOC        29
+#define T_NXT        30
+#define T_EID        31
+#define T_NIMLOC     32
+#define T_SRV        33
+#define T_ATMA       34
+#define T_NAPTR      35
+#define T_KX         36
+#define T_CERT       37
+#define T_A6         38
+#define T_DNAME      39
+#define T_SINK       40
+#define T_OPT        41
+#define T_APL        42
+#define T_DS         43
+#define T_SSHFP      44
+#define T_IPSECKEY   45
+#define T_RRSIG      46
+#define T_NSEC       47
+#define T_DNSKEY     48
+#define T_DHCID      49
+#define T_NSEC3      50
+#define T_NSEC3PARAM 51
+#define T_HIP        55
+#define T_NINFO      56
+#define T_RKEY       57
+#define T_TALINK     58
+#define T_SPF        99
+#define T_UINFO      100
+#define T_UID        101
+#define T_GID        102
+#define T_UNSPEC     103
+#define T_MAX 51
+
+/* T_MAX - T_MIN + 1 */
+#define T_NUM 51
+
+/* Number of most frequently used rr types. */
+#define NRRMU 8
+
+/* Number of remaining rr types. */
+#define NRREXT 39
+
+/* NRRMU + NRREXT */
+#define NRRTOT 47
+
+/* Lookup table for converting rr type values to internally used indices. */
+extern const unsigned short int rrlkuptab[T_NUM];
+#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
+const unsigned short int rrlkuptab[T_NUM] = {
+   0  /* A */,
+   1  /* NS */,
+   8  /* MD */,
+   9  /* MF */,
+   2  /* CNAME */,
+   3  /* SOA */,
+  10  /* MB */,
+  11  /* MG */,
+  12  /* MR */,
+  13  /* NULL */,
+  14  /* WKS */,
+   4  /* PTR */,
+  15  /* HINFO */,
+  16  /* MINFO */,
+   5  /* MX */,
+   6  /* TXT */,
+  17  /* RP */,
+  18  /* AFSDB */,
+  19  /* X25 */,
+  20  /* ISDN */,
+  21  /* RT */,
+  22  /* NSAP */,
+  23  /* NSAP_PTR */,
+  24  /* SIG */,
+  25  /* KEY */,
+  26  /* PX */,
+  27  /* GPOS */,
+   7  /* AAAA */,
+  28  /* LOC */,
+  29  /* NXT */,
+  30  /* EID */,
+  31  /* NIMLOC */,
+  32  /* SRV */,
+  33  /* ATMA */,
+  34  /* NAPTR */,
+  35  /* KX */,
+  36  /* CERT */,
+  47  /* A6 */,
+  48  /* DNAME */,
+  49  /* SINK */,
+  50  /* OPT */,
+  37  /* APL */,
+  38  /* DS */,
+  39  /* SSHFP */,
+  40  /* IPSECKEY */,
+  41  /* RRSIG */,
+  42  /* NSEC */,
+  43  /* DNSKEY */,
+  44  /* DHCID */,
+  45  /* NSEC3 */,
+  46  /* NSEC3PARAM */
+};
+#endif
+
+/* List of most frequently used RR types in ascending order. */
+extern const unsigned short int rrmuiterlist[NRRMU];
+#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
+const unsigned short int rrmuiterlist[NRRMU] = {
+  T_A,
+  T_NS,
+  T_CNAME,
+  T_SOA,
+  T_PTR,
+  T_MX,
+  T_TXT,
+  T_AAAA
+};
+#endif
+
+/* List of the cache-able RR types in ascending order. */
+extern const unsigned short int rrcachiterlist[NRRTOT];
+#if DEFINE_RR_TYPE_ARRAYS
+const unsigned short int rrcachiterlist[NRRTOT] = {
+  T_A,
+  T_NS,
+  T_MD,
+  T_MF,
+  T_CNAME,
+  T_SOA,
+  T_MB,
+  T_MG,
+  T_MR,
+  T_NULL,
+  T_WKS,
+  T_PTR,
+  T_HINFO,
+  T_MINFO,
+  T_MX,
+  T_TXT,
+  T_RP,
+  T_AFSDB,
+  T_X25,
+  T_ISDN,
+  T_RT,
+  T_NSAP,
+  T_NSAP_PTR,
+  T_SIG,
+  T_KEY,
+  T_PX,
+  T_GPOS,
+  T_AAAA,
+  T_LOC,
+  T_NXT,
+  T_EID,
+  T_NIMLOC,
+  T_SRV,
+  T_ATMA,
+  T_NAPTR,
+  T_KX,
+  T_CERT,
+  T_APL,
+  T_DS,
+  T_SSHFP,
+  T_IPSECKEY,
+  T_RRSIG,
+  T_NSEC,
+  T_DNSKEY,
+  T_DHCID,
+  T_NSEC3,
+  T_NSEC3PARAM
+};
+#endif
+
+/* Optimized getrrset macros for fixed rr types. */
+#define getrrset_A(cent)          GET_RRSMU(cent,0)
+#define getrrset_NS(cent)         GET_RRSMU(cent,1)
+#define getrrset_MD(cent)         GET_RRSEXT(cent,0)
+#define getrrset_MF(cent)         GET_RRSEXT(cent,1)
+#define getrrset_CNAME(cent)      GET_RRSMU(cent,2)
+#define getrrset_SOA(cent)        GET_RRSMU(cent,3)
+#define getrrset_MB(cent)         GET_RRSEXT(cent,2)
+#define getrrset_MG(cent)         GET_RRSEXT(cent,3)
+#define getrrset_MR(cent)         GET_RRSEXT(cent,4)
+#define getrrset_NULL(cent)       GET_RRSEXT(cent,5)
+#define getrrset_WKS(cent)        GET_RRSEXT(cent,6)
+#define getrrset_PTR(cent)        GET_RRSMU(cent,4)
+#define getrrset_HINFO(cent)      GET_RRSEXT(cent,7)
+#define getrrset_MINFO(cent)      GET_RRSEXT(cent,8)
+#define getrrset_MX(cent)         GET_RRSMU(cent,5)
+#define getrrset_TXT(cent)        GET_RRSMU(cent,6)
+#define getrrset_RP(cent)         GET_RRSEXT(cent,9)
+#define getrrset_AFSDB(cent)      GET_RRSEXT(cent,10)
+#define getrrset_X25(cent)        GET_RRSEXT(cent,11)
+#define getrrset_ISDN(cent)       GET_RRSEXT(cent,12)
+#define getrrset_RT(cent)         GET_RRSEXT(cent,13)
+#define getrrset_NSAP(cent)       GET_RRSEXT(cent,14)
+#define getrrset_NSAP_PTR(cent)   GET_RRSEXT(cent,15)
+#define getrrset_SIG(cent)        GET_RRSEXT(cent,16)
+#define getrrset_KEY(cent)        GET_RRSEXT(cent,17)
+#define getrrset_PX(cent)         GET_RRSEXT(cent,18)
+#define getrrset_GPOS(cent)       GET_RRSEXT(cent,19)
+#define getrrset_AAAA(cent)       GET_RRSMU(cent,7)
+#define getrrset_LOC(cent)        GET_RRSEXT(cent,20)
+#define getrrset_NXT(cent)        GET_RRSEXT(cent,21)
+#define getrrset_EID(cent)        GET_RRSEXT(cent,22)
+#define getrrset_NIMLOC(cent)     GET_RRSEXT(cent,23)
+#define getrrset_SRV(cent)        GET_RRSEXT(cent,24)
+#define getrrset_ATMA(cent)       GET_RRSEXT(cent,25)
+#define getrrset_NAPTR(cent)      GET_RRSEXT(cent,26)
+#define getrrset_KX(cent)         GET_RRSEXT(cent,27)
+#define getrrset_CERT(cent)       GET_RRSEXT(cent,28)
+#define getrrset_APL(cent)        GET_RRSEXT(cent,29)
+#define getrrset_DS(cent)         GET_RRSEXT(cent,30)
+#define getrrset_SSHFP(cent)      GET_RRSEXT(cent,31)
+#define getrrset_IPSECKEY(cent)   GET_RRSEXT(cent,32)
+#define getrrset_RRSIG(cent)      GET_RRSEXT(cent,33)
+#define getrrset_NSEC(cent)       GET_RRSEXT(cent,34)
+#define getrrset_DNSKEY(cent)     GET_RRSEXT(cent,35)
+#define getrrset_DHCID(cent)      GET_RRSEXT(cent,36)
+#define getrrset_NSEC3(cent)      GET_RRSEXT(cent,37)
+#define getrrset_NSEC3PARAM(cent) GET_RRSEXT(cent,38)
+
+/* have_rr macros for fixed rr types. */
+#define have_rr_A(cent)           HAVE_RRMU(cent,0)
+#define have_rr_NS(cent)          HAVE_RRMU(cent,1)
+#define have_rr_MD(cent)          HAVE_RREXT(cent,0)
+#define have_rr_MF(cent)          HAVE_RREXT(cent,1)
+#define have_rr_CNAME(cent)       HAVE_RRMU(cent,2)
+#define have_rr_SOA(cent)         HAVE_RRMU(cent,3)
+#define have_rr_MB(cent)          HAVE_RREXT(cent,2)
+#define have_rr_MG(cent)          HAVE_RREXT(cent,3)
+#define have_rr_MR(cent)          HAVE_RREXT(cent,4)
+#define have_rr_NULL(cent)        HAVE_RREXT(cent,5)
+#define have_rr_WKS(cent)         HAVE_RREXT(cent,6)
+#define have_rr_PTR(cent)         HAVE_RRMU(cent,4)
+#define have_rr_HINFO(cent)       HAVE_RREXT(cent,7)
+#define have_rr_MINFO(cent)       HAVE_RREXT(cent,8)
+#define have_rr_MX(cent)          HAVE_RRMU(cent,5)
+#define have_rr_TXT(cent)         HAVE_RRMU(cent,6)
+#define have_rr_RP(cent)          HAVE_RREXT(cent,9)
+#define have_rr_AFSDB(cent)       HAVE_RREXT(cent,10)
+#define have_rr_X25(cent)         HAVE_RREXT(cent,11)
+#define have_rr_ISDN(cent)        HAVE_RREXT(cent,12)
+#define have_rr_RT(cent)          HAVE_RREXT(cent,13)
+#define have_rr_NSAP(cent)        HAVE_RREXT(cent,14)
+#define have_rr_NSAP_PTR(cent)    HAVE_RREXT(cent,15)
+#define have_rr_SIG(cent)         HAVE_RREXT(cent,16)
+#define have_rr_KEY(cent)         HAVE_RREXT(cent,17)
+#define have_rr_PX(cent)          HAVE_RREXT(cent,18)
+#define have_rr_GPOS(cent)        HAVE_RREXT(cent,19)
+#define have_rr_AAAA(cent)        HAVE_RRMU(cent,7)
+#define have_rr_LOC(cent)         HAVE_RREXT(cent,20)
+#define have_rr_NXT(cent)         HAVE_RREXT(cent,21)
+#define have_rr_EID(cent)         HAVE_RREXT(cent,22)
+#define have_rr_NIMLOC(cent)      HAVE_RREXT(cent,23)
+#define have_rr_SRV(cent)         HAVE_RREXT(cent,24)
+#define have_rr_ATMA(cent)        HAVE_RREXT(cent,25)
+#define have_rr_NAPTR(cent)       HAVE_RREXT(cent,26)
+#define have_rr_KX(cent)          HAVE_RREXT(cent,27)
+#define have_rr_CERT(cent)        HAVE_RREXT(cent,28)
+#define have_rr_A6(cent)          0
+#define have_rr_DNAME(cent)       0
+#define have_rr_SINK(cent)        0
+#define have_rr_OPT(cent)         0
+#define have_rr_APL(cent)         HAVE_RREXT(cent,29)
+#define have_rr_DS(cent)          HAVE_RREXT(cent,30)
+#define have_rr_SSHFP(cent)       HAVE_RREXT(cent,31)
+#define have_rr_IPSECKEY(cent)    HAVE_RREXT(cent,32)
+#define have_rr_RRSIG(cent)       HAVE_RREXT(cent,33)
+#define have_rr_NSEC(cent)        HAVE_RREXT(cent,34)
+#define have_rr_DNSKEY(cent)      HAVE_RREXT(cent,35)
+#define have_rr_DHCID(cent)       HAVE_RREXT(cent,36)
+#define have_rr_NSEC3(cent)       HAVE_RREXT(cent,37)
+#define have_rr_NSEC3PARAM(cent)  HAVE_RREXT(cent,38)
+
+/* These macros specify which RR types are cached by pdnsd. */
+#define IS_CACHED_A          1
+#define IS_CACHED_NS         1
+#define IS_CACHED_MD         1
+#define IS_CACHED_MF         1
+#define IS_CACHED_CNAME      1
+#define IS_CACHED_SOA        1
+#define IS_CACHED_MB         1
+#define IS_CACHED_MG         1
+#define IS_CACHED_MR         1
+#define IS_CACHED_NULL       1
+#define IS_CACHED_WKS        1
+#define IS_CACHED_PTR        1
+#define IS_CACHED_HINFO      1
+#define IS_CACHED_MINFO      1
+#define IS_CACHED_MX         1
+#define IS_CACHED_TXT        1
+#define IS_CACHED_RP         1
+#define IS_CACHED_AFSDB      1
+#define IS_CACHED_X25        1
+#define IS_CACHED_ISDN       1
+#define IS_CACHED_RT         1
+#define IS_CACHED_NSAP       1
+#define IS_CACHED_NSAP_PTR   1
+#define IS_CACHED_SIG        1
+#define IS_CACHED_KEY        1
+#define IS_CACHED_PX         1
+#define IS_CACHED_GPOS       1
+#define IS_CACHED_AAAA       1
+#define IS_CACHED_LOC        1
+#define IS_CACHED_NXT        1
+#define IS_CACHED_EID        1
+#define IS_CACHED_NIMLOC     1
+#define IS_CACHED_SRV        1
+#define IS_CACHED_ATMA       1
+#define IS_CACHED_NAPTR      1
+#define IS_CACHED_KX         1
+#define IS_CACHED_CERT       1
+#define IS_CACHED_APL        1
+#define IS_CACHED_DS         1
+#define IS_CACHED_SSHFP      1
+#define IS_CACHED_IPSECKEY   1
+#define IS_CACHED_RRSIG      1
+#define IS_CACHED_NSEC       1
+#define IS_CACHED_DNSKEY     1
+#define IS_CACHED_DHCID      1
+#define IS_CACHED_NSEC3      1
+#define IS_CACHED_NSEC3PARAM 1
+
+/* Array indices for most frequently used rr types. */
+#define RRMUINDEX_A         0
+#define RRMUINDEX_NS        1
+#define RRMUINDEX_CNAME     2
+#define RRMUINDEX_SOA       3
+#define RRMUINDEX_PTR       4
+#define RRMUINDEX_MX        5
+#define RRMUINDEX_TXT       6
+#define RRMUINDEX_AAAA      7
+
+/* Table of rr names. */
+extern const char *const rrnames[T_NUM];
+#if DEFINE_RR_TYPE_ARRAYS
+const char *const rrnames[T_NUM] = {
+  "A",
+  "NS",
+  "MD",
+  "MF",
+  "CNAME",
+  "SOA",
+  "MB",
+  "MG",
+  "MR",
+  "NULL",
+  "WKS",
+  "PTR",
+  "HINFO",
+  "MINFO",
+  "MX",
+  "TXT",
+  "RP",
+  "AFSDB",
+  "X25",
+  "ISDN",
+  "RT",
+  "NSAP",
+  "NSAP_PTR",
+  "SIG",
+  "KEY",
+  "PX",
+  "GPOS",
+  "AAAA",
+  "LOC",
+  "NXT",
+  "EID",
+  "NIMLOC",
+  "SRV",
+  "ATMA",
+  "NAPTR",
+  "KX",
+  "CERT",
+  "A6",
+  "DNAME",
+  "SINK",
+  "OPT",
+  "APL",
+  "DS",
+  "SSHFP",
+  "IPSECKEY",
+  "RRSIG",
+  "NSEC",
+  "DNSKEY",
+  "DHCID",
+  "NSEC3",
+  "NSEC3PARAM"
+};
+#endif
+
+/* Structure for rr information */
+struct rr_infos {
+	unsigned short class;		/* class (values see below) */
+	unsigned short excludes;	/* relations to other classes.
+					   Mutual exclusion is marked by or'ing the
+					   respective RRCL value in this field.
+					   Exclusions should be symmetric. */
+};
+
+/* Class values */
+#define RRCL_ALIAS	1	/* for CNAMES, conflicts with RRCL_RECORD */
+#define RRCL_RECORD	2	/* normal direct record */
+#define RRCL_IDEM	4	/* types that conflict with no others (MX, CNAME, ...) */
+#define RRCL_PTR	8	/* PTR */
+
+/* Standard excludes for the classes */
+#define RRX_ALIAS	(RRCL_RECORD|RRCL_PTR)
+#define	RRX_RECORD	(RRCL_ALIAS|RRCL_PTR)
+#define	RRX_IDEM	0
+#define	RRX_PTR		(RRCL_ALIAS|RRCL_RECORD)
+
+/* There could be a separate table detailing the relationship of types, but this
+ * is slightly more flexible, as it allows a finer granularity of exclusion. Also,
+ * Membership in multiple classes could be added.
+ * Index by internally used RR-set indices, not RR type values!
+ */
+extern const struct rr_infos rr_info[NRRTOT];
+#if DEFINE_RR_TYPE_ARRAYS && !defined(CLIENT_ONLY)
+const struct rr_infos rr_info[NRRTOT] = {
+  {RRCL_RECORD,    RRX_RECORD}     /* A */,
+  {RRCL_IDEM,      RRX_IDEM}       /* NS */,
+  {RRCL_ALIAS,     RRX_ALIAS}      /* CNAME */,
+  {RRCL_IDEM,      RRX_IDEM}       /* SOA */,
+  {RRCL_PTR,       RRX_PTR}        /* PTR */,
+  {RRCL_IDEM,      RRX_IDEM}       /* MX */,
+  {RRCL_IDEM,      RRX_IDEM}       /* TXT */,
+  {RRCL_RECORD,    RRX_RECORD}     /* AAAA */,
+  {RRCL_IDEM,      RRX_IDEM}       /* MD */,
+  {RRCL_IDEM,      RRX_IDEM}       /* MF */,
+  {RRCL_IDEM,      RRX_IDEM}       /* MB */,
+  {RRCL_IDEM,      RRX_IDEM}       /* MG */,
+  {RRCL_IDEM,      RRX_IDEM}       /* MR */,
+  {RRCL_IDEM,      RRX_IDEM}       /* NULL */,
+  {RRCL_RECORD,    RRX_RECORD}     /* WKS */,
+  {RRCL_RECORD,    RRX_RECORD}     /* HINFO */,
+  {RRCL_IDEM,      RRX_IDEM}       /* MINFO */,
+  {RRCL_RECORD,    RRX_RECORD}     /* RP */,
+  {RRCL_RECORD,    RRX_RECORD}     /* AFSDB */,
+  {RRCL_RECORD,    RRX_RECORD}     /* X25 */,
+  {RRCL_RECORD,    RRX_RECORD}     /* ISDN */,
+  {RRCL_RECORD,    RRX_RECORD}     /* RT */,
+  {RRCL_RECORD,    RRX_RECORD}     /* NSAP */,
+  {RRCL_PTR,       RRX_PTR}        /* NSAP_PTR */,
+  {RRCL_IDEM,      RRX_IDEM}       /* SIG */,
+  {RRCL_IDEM,      RRX_IDEM}       /* KEY */,
+  {RRCL_IDEM,      RRX_IDEM}       /* PX */,
+  {RRCL_RECORD,    RRX_RECORD}     /* GPOS */,
+  {RRCL_RECORD,    RRX_RECORD}     /* LOC */,
+  {RRCL_IDEM,      RRX_IDEM}       /* NXT */,
+  {RRCL_RECORD,    RRX_RECORD}     /* EID */,
+  {RRCL_RECORD,    RRX_RECORD}     /* NIMLOC */,
+  {RRCL_RECORD,    RRX_RECORD}     /* SRV */,
+  {RRCL_RECORD,    RRX_RECORD}     /* ATMA */,
+  {RRCL_RECORD,    RRX_RECORD}     /* NAPTR */,
+  {RRCL_RECORD,    RRX_RECORD}     /* KX */,
+  {RRCL_RECORD,    RRX_RECORD}     /* CERT */,
+  {RRCL_IDEM,      RRX_IDEM}       /* APL */,
+  {RRCL_IDEM,      RRX_IDEM}       /* DS */,
+  {RRCL_IDEM,      RRX_IDEM}       /* SSHFP */,
+  {RRCL_IDEM,      RRX_IDEM}       /* IPSECKEY */,
+  {RRCL_IDEM,      RRX_IDEM}       /* RRSIG */,
+  {RRCL_IDEM,      RRX_IDEM}       /* NSEC */,
+  {RRCL_IDEM,      RRX_IDEM}       /* DNSKEY */,
+  {RRCL_IDEM,      RRX_IDEM}       /* DHCID */,
+  {RRCL_IDEM,      RRX_IDEM}       /* NSEC3 */,
+  {RRCL_IDEM,      RRX_IDEM}       /* NSEC3PARAM */
+};
+#endif
+
+int rr_tp_byname(char *name);
+const char *loc2str(const void *binary, char *ascii, size_t asclen);
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/rr_types.in b/orbotservice/src/main/jni/pdnsd/src/rr_types.in
new file mode 100644
index 0000000..5ebd2f3
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/rr_types.in
@@ -0,0 +1,99 @@
+# This file is part of the pdnsd package.
+
+# This file contains information about the RR types implemented in pdnsd
+# and is used for generating rr_types.h.
+# It was derived from the following source: http://www.bind9.net/dns-parameters
+#
+# After making modifications to this file the file rr_types.h should be regenerated!
+#
+# Info about the format of this file:
+#   Blank lines and lines starting with '#' are ignored, all other lines
+#   are assumed to define an RR type. Lines starting with '+' define most
+#   frequently used types. An RR type preceded by a '-' will not be cached
+#   by pdnsd. The next two fields are interpreted as the name and the value
+#   of the RR type, resp. A subsequent word in parenthesis will be interpreted a
+#   class name (used for conflict resolution). Remaining fields are ignored.
+#
+# Adding or removing an initial '+' can be done safely without requiring
+# changes to the source code (other than regenerating rr_types.h).
+#
+# If you are sure that you will never use certain RR types you can disable
+# caching for them and make pdnsd slightly more efficient by placing a
+# '-' sign in front of the lines that define those types.
+# For a list of obsolete RR types see e.g.
+#   http://en.wikipedia.org/wiki/List_of_DNS_record_types .
+# Note that some RR types are essential for pdnsd; these are currently:
+#   A, NS, CNAME, SOA, PTR, MX and (if you want IPv6 support) AAAA.
+# Disabling caching for these types will cause pdnsd to fail to compile
+# or cause a fatal run-time error.
+#
+# Removing a '-' sign to enable caching can be risky if the support in
+# the pdnsd code is missing or inadequate, so only do this if you really know
+# what you are doing. SPF records are supported, however, so it should be safe
+# to enable caching for them.
+
+# RR TYPE      Value (class) and meaning                      Reference
+# -----------  ---------------------------------------------  ---------
++ A            1 (RECORD) a host address                      [RFC 1035]
++ NS           2 an authoritative name server                 [RFC 1035]
+  MD           3 a mail destination (Obsolete - use MX)       [RFC 1035]
+  MF           4 a mail forwarder (Obsolete - use MX)         [RFC 1035]
++ CNAME        5 (ALIAS) the canonical name for an alias      [RFC 1035]
++ SOA          6 marks the start of a zone of authority       [RFC 1035]
+  MB           7 a mailbox domain name (EXPERIMENTAL)         [RFC 1035]
+  MG           8 a mail group member (EXPERIMENTAL)           [RFC 1035]
+  MR           9 a mail rename domain name (EXPERIMENTAL)     [RFC 1035]
+  NULL         10 a null RR (EXPERIMENTAL)                    [RFC 1035]
+  WKS          11 (RECORD) a well known service description   [RFC 1035]
++ PTR          12 (PTR) a domain name pointer                 [RFC 1035]
+  HINFO        13 (RECORD) host information                   [RFC 1035]
+  MINFO        14 mailbox or mail list information            [RFC 1035]
++ MX           15 mail exchange                               [RFC 1035]
++ TXT          16 text strings                                [RFC 1035]
+  RP           17 (RECORD) for Responsible Person             [RFC 1183]
+  AFSDB        18 (RECORD) for AFS Data Base location         [RFC 1183][RFC 5864]
+  X25          19 (RECORD) for X.25 PSDN address              [RFC 1183]
+  ISDN         20 (RECORD) for ISDN address                   [RFC 1183]
+  RT           21 (RECORD) for Route Through                  [RFC 1183]
+  NSAP         22 (RECORD) for NSAP address, NSAP style A record [RFC 1706]
+  NSAP-PTR     23 (PTR) for domain name pointer, NSAP style   [RFC 1348]
+  SIG          24 for security signature                      [RFC 4034][RFC 3755][RFC 2535]
+  KEY          25 for security key                            [RFC 4034][RFC 3755][RFC 2535]
+  PX           26 X.400 mail mapping information              [RFC 2163]
+  GPOS         27 (RECORD) Geographical Position              [RFC 1712]
++ AAAA         28 (RECORD) IP6 Address                        [RFC 3596]
+  LOC          29 (RECORD) Location Information               [RFC 1876]
+  NXT          30 Next Domain - OBSOLETE                      [RFC 3755][RFC 2535]
+  EID          31 (RECORD) Endpoint Identifier                [Patton]
+  NIMLOC       32 (RECORD) Nimrod Locator                     [Patton]
+  SRV          33 (RECORD) Server Selection                   [RFC 2782]
+  ATMA         34 (RECORD) ATM Address                        [ATMDOC]
+  NAPTR        35 (RECORD) Naming Authority Pointer           [RFC 2915][RFC 2168][RFC 3403]
+  KX           36 (RECORD) Key Exchanger                      [RFC 2230]
+  CERT         37 (RECORD) CERT                               [RFC 4398]
+- A6           38 A6 (Experimental)                           [RFC 3226][RFC 2874]
+- DNAME        39 (ALIAS) DNAME                               [RFC 2672]
+- SINK         40 SINK                                        [Eastlake]
+- OPT          41 OPT                                         [RFC 2671]
+  APL          42 APL                                         [RFC 3123]
+  DS           43 Delegation Signer                           [RFC 4034][RFC 3658]
+  SSHFP        44 SSH Key Fingerprint                         [RFC 4255]
+  IPSECKEY     45 IPSECKEY                                    [RFC 4025]
+  RRSIG        46 RRSIG                                       [RFC 4034][RFC 3755]
+  NSEC         47 NSEC                                        [RFC 4034][RFC 3755]
+  DNSKEY       48 DNSKEY                                      [RFC 4034][RFC 3755]
+  DHCID        49 DHCID                                       [RFC 4701]
+  NSEC3        50 NSEC3                                       [RFC 5155]
+  NSEC3PARAM   51 NSEC3PARAM                                  [RFC 5155]
+# Unassigned   52-54
+- HIP          55 Host Identity Protocol                      [RFC 5205]
+- NINFO        56 NINFO                                       [Reid]
+- RKEY         57 RKEY                                        [Reid]
+- TALINK       58 Trust Anchor LINK                           [Wijngaards]
+# Unassigned   59-98
+- SPF          99 Sender Policy Framework                     [RFC 4408]
+- UINFO        100                                            [IANA-Reserved]
+- UID          101                                            [IANA-Reserved]
+- GID          102                                            [IANA-Reserved]
+- UNSPEC       103                                            [IANA-Reserved]
+# Unassigned   104-248
diff --git a/orbotservice/src/main/jni/pdnsd/src/servers.c b/orbotservice/src/main/jni/pdnsd/src/servers.c
new file mode 100644
index 0000000..8549865
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/servers.c
@@ -0,0 +1,856 @@
+/* servers.c - manage a set of dns servers
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2005, 2007, 2009, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/wait.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <fnmatch.h>
+#include <string.h>
+#include "thread.h"
+#include "error.h"
+#include "servers.h"
+#include "conff.h"
+#include "consts.h"
+#include "icmp.h"
+#include "netdev.h"
+#include "helpers.h"
+#include "dns_query.h"
+
+
+/*
+ * We may be a little over-strict with locks here. Never mind...
+ * Also, there may be some code-redundancy regarding uptests. It saves some locks, though.
+ */
+
+static pthread_mutex_t servers_lock = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t server_data_cond = PTHREAD_COND_INITIALIZER;
+static pthread_cond_t server_test_cond = PTHREAD_COND_INITIALIZER;
+static int server_data_users = 0, server_status_ping = 0;
+/* Used to notify the server status thread that it should discontinue uptests. */
+volatile int signal_interrupt=0;
+#define statusintsig SIGHUP
+
+static short retest_flag=0;
+
+static char schm[32];
+
+static void sigint_handler(int signum);
+
+/*
+ * Execute an individual uptest. Call with locks applied
+ */
+static int uptest (servparm_t *serv, int j)
+{
+	int ret=0, count_running_ping=0;
+	pdnsd_a *s_addr= PDNSD_A2_TO_A(&DA_INDEX(serv->atup_a,j).a);
+
+	DEBUG_PDNSDA_MSG("performing uptest (type=%s) for %s\n",const_name(serv->uptest),PDNSDA2STR(s_addr));
+
+	/* Unlock the mutex because some of the tests may take a while. */
+	++server_data_users;
+	if((serv->uptest==C_PING || serv->uptest==C_QUERY) && pthread_equal(pthread_self(),servstat_thrid)) {
+		/* Inform other threads that a ping is in progress. */
+		count_running_ping=1;
+		++server_status_ping;
+	}
+	pthread_mutex_unlock(&servers_lock);
+
+	switch (serv->uptest) {
+	case C_NONE:
+		/* Don't change */
+		ret=DA_INDEX(serv->atup_a,j).is_up;
+		break;
+	case C_PING:
+		ret=ping(is_inaddr_any(&serv->ping_a) ? s_addr : &serv->ping_a, serv->ping_timeout,PINGREPEAT)!=-1;
+		break;
+	case C_IF:
+ 	case C_DEV:
+	case C_DIALD:
+ 		ret=if_up(serv->interface);
+#if (TARGET==TARGET_LINUX)
+ 		if (ret!=0) {
+			if(serv->uptest==C_DEV)
+				ret=dev_up(serv->interface,serv->device);
+			else if (serv->uptest==C_DIALD)
+				ret=dev_up("diald",serv->device);
+ 		}
+#endif
+		break;
+	case C_EXEC: {
+	  	pid_t pid;
+
+		if ((pid=fork())==-1) {
+			DEBUG_MSG("Could not fork to perform exec uptest: %s\n",strerror(errno));
+			break;
+		} else if (pid==0) { /* child */
+			/*
+			 * If we ran as setuid or setgid, do not inherit this to the
+			 * command. This is just a last guard. Running pdnsd as setuid()
+			 * or setgid() is a no-no.
+			 */
+			if (setgid(getgid()) == -1 || setuid(getuid()) == -1) {
+				log_error("Could not reset uid or gid: %s",strerror(errno));
+				_exit(1);
+			}
+			/* Try to setuid() to a different user as specified. Good when you
+			   don't want the test command to run as root */
+			if (!run_as(serv->uptest_usr)) {
+				_exit(1);
+			}
+			{
+			    struct rlimit rl; int i;
+			    /*
+			     * Mark all open fd's FD_CLOEXEC for paranoia reasons.
+			     */
+			    if (getrlimit(RLIMIT_NOFILE, &rl) == -1) {
+				    log_error("getrlimit() failed: %s",strerror(errno));
+				    _exit(1);
+			    }
+			    for (i = 0; i < rl.rlim_max; i++) {
+				    if (fcntl(i, F_SETFD, FD_CLOEXEC) == -1 && errno != EBADF) {
+					    log_error("fcntl(F_SETFD) failed: %s",strerror(errno));
+					    _exit(1);
+				    }
+			    }
+			}
+			execl("/bin/sh", "uptest_sh","-c",serv->uptest_cmd,(char *)NULL);
+			_exit(1); /* failed execl */
+		} else { /* parent */
+			int status;
+			pid_t wpid = waitpid(pid,&status,0);
+			if (wpid==pid) {
+				if(WIFEXITED(status)) {
+					int exitstatus=WEXITSTATUS(status);
+					DEBUG_MSG("uptest command \"%s\" exited with status %d\n",
+						  serv->uptest_cmd, exitstatus);
+					ret=(exitstatus==0);
+				}
+#if DEBUG>0
+				else if(WIFSIGNALED(status)) {
+					DEBUG_MSG("uptest command \"%s\" was terminated by signal %d\n",
+						  serv->uptest_cmd, WTERMSIG(status));
+				}
+				else {
+					DEBUG_MSG("status of uptest command \"%s\" is of unkown type (0x%x)\n",
+						  serv->uptest_cmd, status);
+				}
+#endif
+			}
+#if DEBUG>0
+			else if (wpid==-1) {
+				DEBUG_MSG("Error while waiting for uptest command \"%s\" to terminate: "
+					  "waitpid for pid %d failed: %s\n",
+					  serv->uptest_cmd, pid, strerror(errno));
+			}
+			else {
+				DEBUG_MSG("Error while waiting for uptest command \"%s\" to terminate: "
+					  "waitpid returned %d, expected pid %d\n",
+					  serv->uptest_cmd, wpid, pid);
+			}
+#endif
+		}
+	}
+		break;
+	case C_QUERY:
+		ret=query_uptest(s_addr, serv->port, serv->query_test_name,
+				 serv->timeout>=global.timeout?serv->timeout:global.timeout,
+				 PINGREPEAT);
+	} /* end of switch */
+
+	pthread_mutex_lock(&servers_lock);
+	if(count_running_ping)
+		--server_status_ping;
+	PDNSD_ASSERT(server_data_users>0, "server_data_users non-positive before attempt to decrement it");
+	if (--server_data_users==0) pthread_cond_broadcast(&server_data_cond);
+
+	DEBUG_PDNSDA_MSG("result of uptest for %s: %s\n",
+			 PDNSDA2STR(s_addr),
+			 ret?"OK":"failed");
+	return ret;
+}
+
+static int scheme_ok(servparm_t *serv)
+{
+	if (serv->scheme[0]) {
+		if (!schm[0]) {
+		  	ssize_t nschm;
+			int sc = open(global.scheme_file, O_RDONLY);
+			char *s;
+			if (sc<0)
+				return 0;
+			nschm = read(sc, schm, sizeof(schm)-1);
+			close(sc);
+			if (nschm < 0)
+				return 0;
+			schm[nschm] = '\0';
+			s = strchr(schm, '\n');
+			if (s)
+				*s='\0';
+		}
+		if (fnmatch(serv->scheme, schm, 0))
+		  	return 0;
+	}
+	return 1;
+}
+
+/* Internal server test. Call with locks applied.
+   May test a single server ip or several collectively.
+ */
+static void retest(int i, int j)
+{
+  time_t s_ts;
+  servparm_t *srv=&DA_INDEX(servers,i);
+  int nsrvs=DA_NEL(srv->atup_a);
+
+  if(!nsrvs) return;
+  if(j>=0) {
+    if(j<nsrvs) nsrvs=j+1;  /* test just one */
+  }
+  else {
+    j=0;        /* test a range of servers */
+  }
+
+  if(!scheme_ok(srv)) {
+    s_ts=time(NULL);
+
+    for(;j<nsrvs;++j) {
+      atup_t *at=&DA_INDEX(srv->atup_a,j);
+      at->is_up=0;
+      at->i_ts=s_ts;
+    }
+  }
+  else if(srv->uptest==C_NONE) {
+    s_ts=time(NULL);
+
+    for(;j<nsrvs;++j) {
+	DA_INDEX(srv->atup_a,j).i_ts=s_ts;
+    }
+  }
+  else if(srv->uptest==C_QUERY || (srv->uptest==C_PING && is_inaddr_any(&srv->ping_a))) {  /* test each ip address separately */
+    for(;j<nsrvs;++j) {
+	atup_t *at=&DA_INDEX(srv->atup_a,j);
+	s_ts=time(NULL);
+	at->is_up=uptest(srv,j);
+	if(signal_interrupt)
+	  break;
+	at->i_ts=s_ts;
+    }
+  }
+  else {  /* test ip addresses collectively */
+    int res;
+
+    s_ts=time(NULL);
+    res=uptest(srv,j);
+    for(;j<nsrvs;++j) {
+      atup_t *at=&DA_INDEX(srv->atup_a,j);
+      at->is_up=res;
+      if(signal_interrupt && srv->uptest==C_PING)
+	continue;
+      at->i_ts=s_ts;
+    }
+  }
+}
+
+
+/* This is called by the server status thread to discover the addresses of root servers.
+   Call with server_lock applied.
+*/
+static addr2_array resolv_rootserver_addrs(atup_array a, int port, char edns_query, time_t timeout)
+{
+	addr2_array retval=NULL;
+
+	/* Unlock the mutex because this may take a while. */
+	++server_data_users;
+	pthread_mutex_unlock(&servers_lock);
+
+	retval= dns_rootserver_resolv(a,port,edns_query,timeout);
+
+	pthread_mutex_lock(&servers_lock);
+	PDNSD_ASSERT(server_data_users>0, "server_data_users non-positive before attempt to decrement it");
+	if (--server_data_users==0) pthread_cond_broadcast(&server_data_cond);
+
+	return retval;
+}
+
+/*
+ * Refresh the server status by pinging or testing the interface in the given interval.
+ * Note that you may get inaccuracies in the dimension of the ping timeout or the runtime
+ * of your uptest command if you have uptest=ping or uptest=exec for at least one server.
+ * This happens when all the uptests for the first n servers take more time than the inteval
+ * of n+1 (or 0 when n+1>servnum). I do not think that these delays are critical, so I did
+ * not to anything about that (because that may also be costly).
+ */
+void *servstat_thread(void *p)
+{
+	struct sigaction action;
+	int keep_testing;
+
+	/* (void)p; */  /* To inhibit "unused variable" warning */
+
+	THREAD_SIGINIT;
+
+	pthread_mutex_lock(&servers_lock);
+	/* servstat_thrid=pthread_self(); */
+
+	signal_interrupt=0;
+	action.sa_handler = sigint_handler;
+	sigemptyset(&action.sa_mask);
+	action.sa_flags = 0;
+	if(sigaction(statusintsig, &action, NULL) == 0) {
+		sigset_t smask;
+		sigemptyset(&smask);
+		sigaddset(&smask, statusintsig);
+		pthread_sigmask(SIG_UNBLOCK,&smask,NULL);
+	}
+	else {
+		log_warn("Cannot install signal handler for server status thread: %s\n",strerror(errno));
+	}
+
+	for(;;) {
+		do {
+			int i,n;
+			keep_testing=0;
+			retest_flag=0;
+			schm[0] = '\0';
+			n=DA_NEL(servers);
+			for (i=0;i<n;++i) {
+				servparm_t *sp=&DA_INDEX(servers,i);
+				int j,m;
+				if(sp->rootserver==2) {
+					/* First get addresses of root servers. */
+					addr2_array adrs;
+					int l, one_up=0;
+
+					if(!scheme_ok(sp)) {
+						time_t now=time(NULL);
+						m=DA_NEL(sp->atup_a);
+						for(j=0;j<m;++j)
+							DA_INDEX(sp->atup_a,j).i_ts=now;
+					} else if(sp->uptest==C_PING || sp->uptest==C_QUERY) {
+						/* Skip ping or query tests until after discovery. */
+						if(sp->interval>0)
+							one_up= DA_NEL(sp->atup_a);
+						else {
+							time_t now=time(NULL);
+							m=DA_NEL(sp->atup_a);
+							for(j=0;j<m;++j) {
+								atup_t *at=&DA_INDEX(sp->atup_a,j);
+								if(at->is_up || at->i_ts==0)
+									one_up=1;
+								at->i_ts=now;
+							}
+						}
+					}
+					else {
+						retest(i,-1);
+
+						m=DA_NEL(sp->atup_a);
+						for(j=0;j<m;++j) {
+							if(DA_INDEX(sp->atup_a,j).is_up) {
+								one_up=1;
+								break;
+							}
+						}
+					}
+
+					if(!one_up) {
+						if (needs_intermittent_testing(sp)) keep_testing=1;
+						continue;
+					}
+
+					DEBUG_MSG("Attempting to discover root servers for server section #%d.\n",i);
+					adrs=resolv_rootserver_addrs(sp->atup_a,sp->port,sp->edns_query,sp->timeout);
+					l= DA_NEL(adrs);
+					if(l>0) {
+						struct timeval now;
+						struct timespec timeout;
+						atup_array ata;
+						DEBUG_MSG("Filling server section #%d with %d root server addresses.\n",i,l);
+						gettimeofday(&now,NULL);
+						timeout.tv_sec = now.tv_sec + 60;     /* time out after 60 seconds */
+						timeout.tv_nsec = now.tv_usec * 1000;
+						while (server_data_users>0) {
+							if(pthread_cond_timedwait(&server_data_cond, &servers_lock, &timeout) == ETIMEDOUT) {
+								DEBUG_MSG("Timed out while waiting for exclusive access to server data"
+									  " to set root server addresses of server section #%d\n",i);
+								da_free(adrs);
+								keep_testing=1;
+								continue;
+							}
+						}
+						ata = DA_CREATE(atup_array, l);
+						if(!ata) {
+							log_warn("Out of memory in servstat_thread() while discovering root servers.");
+							da_free(adrs);
+							keep_testing=1;
+							continue;
+						}
+						for(j=0; j<l; ++j) {
+							atup_t *at = &DA_INDEX(ata,j);
+							at->a = DA_INDEX(adrs,j);
+							at->is_up=sp->preset;
+							at->i_ts= sp->interval<0 ? time(NULL): 0;
+						}
+						da_free(sp->atup_a);
+						sp->atup_a=ata;
+						da_free(adrs);
+						/* Successfully set IP addresses for this server section. */
+						sp->rootserver=1;
+					}
+					else {
+						DEBUG_MSG("Failed to discover root servers in servstat_thread() (server section #%d).\n",i);
+						if(adrs) da_free(adrs);
+						if(DA_NEL(sp->atup_a)) keep_testing=1;
+						continue;
+					}
+				}
+
+				if (needs_testing(sp)) keep_testing=1;
+				m=DA_NEL(sp->atup_a);
+				for(j=0;j<m;++j)
+					if(DA_INDEX(sp->atup_a,j).i_ts)
+						goto individual_tests;
+				/* Test collectively */
+				if(!signal_interrupt) retest(i,-1);
+				continue;
+
+			individual_tests:
+				for(j=0; !signal_interrupt && j<m; ++j) {
+					time_t ts=DA_INDEX(sp->atup_a,j).i_ts, now;
+
+					if (ts==0 /* Always test servers with timestamp 0 */ ||
+					    (needs_intermittent_testing(sp) &&
+					     ((now=time(NULL))-ts>sp->interval ||
+					      ts>now /* kluge for clock skew */)))
+					{
+						retest(i,j);
+					}
+				}
+			}
+		} while(!signal_interrupt && retest_flag);
+
+		signal_interrupt=0;
+
+		/* Break the loop and exit the thread if it is no longer needed. */
+		if(!keep_testing) break;
+
+		{
+			struct timeval now;
+			struct timespec timeout;
+			time_t minwait;
+			int i,n,retval;
+
+			gettimeofday(&now,NULL);
+			minwait=3600; /* Check at least once every hour. */
+			n=DA_NEL(servers);
+			for (i=0;i<n;++i) {
+				servparm_t *sp=&DA_INDEX(servers,i);
+				int j,m=DA_NEL(sp->atup_a);
+				for(j=0;j<m;++j) {
+					time_t ts= DA_INDEX(sp->atup_a,j).i_ts;
+					if(ts==0) {
+						/* Test servers with timestamp 0 without delay */
+						if(minwait > 0) minwait=0;
+					}
+					else if(needs_intermittent_testing(sp)) {
+						time_t wait= ts + sp->interval - now.tv_sec;
+						if(wait < minwait) minwait=wait;
+					}
+				}
+			}
+			timeout.tv_sec = now.tv_sec;
+			if(minwait>0)
+				timeout.tv_sec += minwait;
+			timeout.tv_nsec = now.tv_usec * 1000 + 500000000;  /* wait at least half a second. */
+			if(timeout.tv_nsec>=1000000000) {
+				timeout.tv_nsec -= 1000000000;
+				++timeout.tv_sec;
+			}
+			/* While we wait for a server_test_cond condition or a timeout
+			   the servers_lock mutex is unlocked, so other threads can access
+			   server data
+			*/
+			retval=pthread_cond_timedwait(&server_test_cond, &servers_lock, &timeout);
+			DEBUG_MSG("Server status thread woke up (%s signal).\n",
+				  retval==0?"test condition":retval==ETIMEDOUT?"timer":retval==EINTR?"interrupt":"error");
+		}
+	}
+
+	/* server status thread no longer needed. */
+	servstat_thrid=main_thrid;
+	pthread_mutex_unlock(&servers_lock);
+	DEBUG_MSG("Server status thread exiting.\n");
+	return NULL;
+}
+
+/*
+ * Start the server status thread.
+ */
+int start_servstat_thread()
+{
+	pthread_t stt;
+
+	int rv=pthread_create(&stt,&attr_detached,servstat_thread,NULL);
+	if (rv)
+		log_warn("Failed to start server status thread: %s",strerror(rv));
+	else {
+		servstat_thrid=stt;
+		log_info(2,"Server status thread started.");
+	}
+	return rv;
+}
+
+/*
+ * This can be used to mark a server (or a list of nadr servers) up (up=1) or down (up=0),
+ * or to schedule an immediate retest (up=-1).
+ * We can't always use indices to identify a server, because we allow run-time
+ * configuration of server addresses, so the servers are identified by their IP addresses.
+ */
+void sched_server_test(pdnsd_a *sa, int nadr, int up)
+{
+	int k,signal_test;
+
+	pthread_mutex_lock(&servers_lock);
+
+	signal_test=0;
+	/* This obviously isn't very efficient, but nadr should be small
+	   and anything else would introduce considerable overhead */
+	for(k=0;k<nadr;++k) {
+		pdnsd_a *sak= &sa[k];
+		int i,n=DA_NEL(servers);
+		for(i=0;i<n;++i) {
+			servparm_t *sp=&DA_INDEX(servers,i);
+			int j,m=DA_NEL(sp->atup_a);
+			for(j=0;j<m;++j) {
+				atup_t *at=&DA_INDEX(sp->atup_a,j);
+				if(equiv_inaddr2(sak,&at->a)) {
+					if(up>=0) {
+						at->is_up=up;
+						at->i_ts=time(NULL);
+						DEBUG_PDNSDA_MSG("Marked server %s %s.\n",PDNSDA2STR(sak),up?"up":"down");
+					}
+					else if(at->i_ts) {
+						/* A test may take a while, and we don't want to hold
+						   up the calling thread.
+						   Instead we set the timestamp to zero and signal
+						   a condition which should wake up the server test thread.
+						*/
+						at->i_ts=0;
+						signal_test=1;
+					}
+				}
+			}
+		}
+	}
+	if(signal_test) pthread_cond_signal(&server_test_cond);
+
+	pthread_mutex_unlock(&servers_lock);
+}
+
+/* Mark a set of servers up or down or schedule uptests.
+ * If i>=0 only the server section with index i is scanned,
+ * if i<0 all sections are scanned.
+ * Only sections matching label are actually set. A NULL label matches
+ * any section.
+ * up=1 or up=0 means mark server up or down, up=-1 means retest.
+ *
+ * A non-zero return value indicates an error.
+ */
+int mark_servers(int i, char *label, int up)
+{
+	int retval=0,n,signal_test;
+
+	pthread_mutex_lock(&servers_lock);
+
+	signal_test=0;
+	n=DA_NEL(servers);
+	if(i>=0) {
+		/* just one section */
+		if(i<n) n=i+1;
+	}
+	else {
+		i=0; /* scan all sections */
+	}
+	for(;i<n;++i) {
+		servparm_t *sp=&DA_INDEX(servers,i);
+		if(!label || (sp->label && !strcmp(sp->label,label))) {
+			int j,m=DA_NEL(sp->atup_a);
+
+			/* If a section with undiscovered root servers is marked up, signal a test. */
+			if(m && sp->rootserver>1 && up>0) signal_test=1;
+
+			for(j=0;j<m;++j) {
+				atup_t *at=&DA_INDEX(sp->atup_a,j);
+				if(up>=0) {
+					at->is_up=up;
+					at->i_ts=time(NULL);
+				}
+				else if(at->i_ts) {
+					/* A test may take a while, and we don't want to hold
+					   up the calling thread.
+					   Instead we set the timestamp to zero and signal
+					   a condition which should wake up the server test thread.
+					*/
+					at->i_ts=0;
+					signal_test=1;
+				}
+			}
+		}
+	}
+	if(signal_test) {
+		if(pthread_equal(servstat_thrid,main_thrid))
+			retval=start_servstat_thread();
+		else {
+			retest_flag=1;
+			retval=pthread_cond_signal(&server_test_cond);
+		}
+	}
+
+	pthread_mutex_unlock(&servers_lock);
+	return retval;
+}
+
+/*
+ * Test called by the dns query handlers to handle interval=onquery cases.
+ */
+void test_onquery()
+{
+	int i,n,signal_test;
+
+	pthread_mutex_lock(&servers_lock);
+	schm[0] = '\0';
+	signal_test=0;
+	n=DA_NEL(servers);
+	for (i=0;i<n;++i) {
+		servparm_t *sp=&DA_INDEX(servers,i);
+		if (sp->interval==-1) {
+			if(sp->rootserver<=1)
+				retest(i,-1);
+			else {
+				/* We leave root-server discovery to the server status thread */
+				int j,m=DA_NEL(sp->atup_a);
+				for(j=0;j<m;++j)
+					DA_INDEX(sp->atup_a,j).i_ts=0;
+				signal_test=1;
+			}
+		}
+	}
+
+	if(signal_test) {
+		int rv;
+		if(pthread_equal(servstat_thrid,main_thrid))
+			start_servstat_thread();
+		else {
+			retest_flag=1;
+			if((rv=pthread_cond_signal(&server_test_cond))) {
+				DEBUG_MSG("test_onquery(): couldn't signal server status thread: %s\n",strerror(rv));
+			}
+		}
+	}
+
+	pthread_mutex_unlock(&servers_lock);
+}
+
+/* non-exclusive lock, for read only access to server data. */
+void lock_server_data()
+{
+	pthread_mutex_lock(&servers_lock);
+	++server_data_users;
+	pthread_mutex_unlock(&servers_lock);
+}
+
+void unlock_server_data()
+{
+	pthread_mutex_lock(&servers_lock);
+	PDNSD_ASSERT(server_data_users>0, "server_data_users non-positive before attempt to decrement it");
+	if (--server_data_users==0) pthread_cond_broadcast(&server_data_cond);
+	pthread_mutex_unlock(&servers_lock);
+}
+
+/* Try to obtain an exclusive lock, needed for modifying server data.
+   Return 1 on success, 0 on failure (time out after tm seconds).
+*/
+int exclusive_lock_server_data(int tm)
+{
+	struct timeval now;
+	struct timespec timeout;
+
+	pthread_mutex_lock(&servers_lock);
+	if(server_status_ping>0 && !pthread_equal(servstat_thrid,main_thrid)) {
+		int err;
+		/* Try to interrupt server status thread to prevent delays. */
+		DEBUG_MSG("Sending server status thread an interrupt signal.\n");
+		if((err=pthread_kill(servstat_thrid,statusintsig))) {
+			DEBUG_MSG("pthread_kill failed: %s\n",strerror(err));
+		}
+	}
+	gettimeofday(&now,NULL);
+	timeout.tv_sec = now.tv_sec + tm;     /* time out after tm seconds */
+	timeout.tv_nsec = now.tv_usec * 1000;
+	while (server_data_users>0) {
+		if(pthread_cond_timedwait(&server_data_cond, &servers_lock, &timeout) == ETIMEDOUT) {
+			pthread_mutex_unlock(&servers_lock);
+			return 0;
+		}
+	}
+	return 1;
+}
+/* Call this to free the lock obtained with exclusive_lock_server_data().
+   If retest is nonzero, the server-status thread is reactivated to check
+   which servers are up. This is useful in case the configuration has changed.
+*/
+void exclusive_unlock_server_data(int retest)
+{
+	if(retest) {
+		if(pthread_equal(servstat_thrid,main_thrid))
+			start_servstat_thread();
+		else
+			pthread_cond_signal(&server_test_cond);
+	}
+	pthread_mutex_unlock(&servers_lock);
+}
+
+/*
+  Change addresses of servers during runtime.
+  i is the number of the server section to change.
+  ar should point to an array of IP addresses (may be NULL).
+  up=1 or up=0 means mark server up or down afterwards,
+  up=-1 means retest.
+
+  A non-zero return value indicates an error.
+*/
+int change_servers(int i, addr_array ar, int up)
+{
+	int retval=0,j,change,signal_test;
+	int n;
+	servparm_t *sp;
+
+	pthread_mutex_lock(&servers_lock);
+
+	signal_test=0;
+	change=0;
+	n=DA_NEL(ar);
+	sp=&DA_INDEX(servers,i);
+	if(n != DA_NEL(sp->atup_a) || sp->rootserver>1)
+		change=1;
+	else {
+		int j;
+		for(j=0;j<n;++j)
+			if(!same_inaddr2(&DA_INDEX(ar,j),&DA_INDEX(sp->atup_a,j).a)) {
+				change=1;
+				break;
+			}
+	}
+	if(change) {
+		/* we need exclusive access to the server data to make the changes */
+		struct timeval now;
+		struct timespec timeout;
+		atup_array ata;
+
+		if(server_status_ping>0 && !pthread_equal(servstat_thrid,main_thrid)) {
+			int err;
+			/* Try to interrupt server status thread to prevent delays. */
+			DEBUG_MSG("Sending server status thread an interrupt signal.\n");
+			if((err=pthread_kill(servstat_thrid,statusintsig))) {
+				DEBUG_MSG("pthread_kill failed: %s\n",strerror(err));
+			}
+		}
+
+		DEBUG_MSG("Changing IPs of server section #%d\n",i);
+		gettimeofday(&now,NULL);
+		timeout.tv_sec = now.tv_sec + 60;     /* time out after 60 seconds */
+		timeout.tv_nsec = now.tv_usec * 1000;
+		while (server_data_users>0) {
+			if(pthread_cond_timedwait(&server_data_cond, &servers_lock, &timeout) == ETIMEDOUT) {
+				retval=ETIMEDOUT;
+				goto unlock_mutex;
+			}
+		}
+
+		ata= DA_CREATE(atup_array, n);
+		if(!ata) {
+			log_warn("Out of memory in change_servers().");
+			retval=ENOMEM;
+			goto unlock_mutex;
+		}
+		da_free(sp->atup_a);
+		sp->atup_a=ata;
+		/* Stop trying to discover rootservers
+		   if we set the addresses using this routine. */
+		if(sp->rootserver>1) sp->rootserver=1;
+	}
+
+	for(j=0; j<n; ++j) {
+		atup_t *at = &DA_INDEX(sp->atup_a,j);
+		if(change) {
+			SET_PDNSD_A2(&at->a, &DA_INDEX(ar,j));
+			at->is_up=sp->preset;
+		}
+		if(up>=0) {
+			at->is_up=up;
+			at->i_ts=time(NULL);
+		}
+		else if(change || at->i_ts) {
+			/* A test may take a while, and we don't want to hold
+			   up the calling thread.
+			   Instead we set the timestamp to zero and signal
+			   a condition which should wake up the server test thread.
+			*/
+			at->i_ts=0;
+			signal_test=1;
+		}
+	}
+
+	if(signal_test) {
+		if(pthread_equal(servstat_thrid,main_thrid))
+			retval=start_servstat_thread();
+		else {
+			retest_flag=1;
+			retval=pthread_cond_signal(&server_test_cond);
+		}
+	}
+
+ unlock_mutex:
+	pthread_mutex_unlock(&servers_lock);
+	return retval;
+}
+
+
+/*
+  The signal handler for the signal to tell the server status thread to discontinue testing.
+*/
+static void sigint_handler(int signum)
+{
+	signal_interrupt=1;
+}
diff --git a/orbotservice/src/main/jni/pdnsd/src/servers.h b/orbotservice/src/main/jni/pdnsd/src/servers.h
new file mode 100644
index 0000000..fd263c0
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/servers.h
@@ -0,0 +1,68 @@
+/* servers.h - manage a set of dns servers
+
+   Copyright (C) 2000 Thomas Moestl
+   Copyright (C) 2002, 2003, 2004, 2005 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef _SERVERS_H_
+#define _SERVERS_H_
+
+#include <config.h>
+#include "consts.h"
+
+/* Number of ping timeouts before we take a server offline. */
+#define PINGREPEAT 2
+
+extern pthread_t servstat_thrid;
+extern volatile int signal_interrupt;
+
+
+int start_servstat_thread(void);
+void sched_server_test(pdnsd_a *sa, int nadr, int up);
+int mark_servers(int i, char* label, int up);
+void test_onquery(void);
+void lock_server_data();
+void unlock_server_data();
+int exclusive_lock_server_data(int tm);
+void exclusive_unlock_server_data(int retest);
+int change_servers(int i, addr_array ar, int up);
+
+inline static int needs_testing(servparm_t *sp)
+  __attribute__((always_inline));
+inline static int needs_testing(servparm_t *sp)
+{
+  return ((sp->interval>0 || sp->interval==-2) && (sp->uptest!=C_NONE || sp->scheme[0]));
+}
+
+inline static int needs_intermittent_testing(servparm_t *sp)
+  __attribute__((always_inline));
+inline static int needs_intermittent_testing(servparm_t *sp)
+{
+  return (sp->interval>0 && (sp->uptest!=C_NONE || sp->scheme[0]));
+}
+
+inline static int is_interrupted_servstat_thread()
+  __attribute__((always_inline));
+inline static int is_interrupted_servstat_thread()
+{
+  return (signal_interrupt && pthread_equal(pthread_self(),servstat_thrid));
+}
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/sort_namevalues.pl b/orbotservice/src/main/jni/pdnsd/src/sort_namevalues.pl
new file mode 100644
index 0000000..2014f49
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/sort_namevalues.pl
@@ -0,0 +1,25 @@
+#!/usr/bin/perl -w
+
+use strict;
+
+my %dic;
+my $maxkeylen=0;
+
+while(<>) {
+    if(/"(\w+)".*?(\w+)/) {
+	my $key=$1; my $val=$2;
+	if($dic{$key}) {die "The key \"$key\" does not have a unique value.\n"}
+	$dic{$key}=$val;
+	if(length($key)>$maxkeylen) {$maxkeylen=length($key)}
+    }
+    else {die "Can't find key-value pair in following line:\n$_\n"}
+}
+
+my $linenr=0;
+foreach my $key (sort(keys %dic)) {
+    if($linenr++) {print ",\n"}
+    printf("\t{%-*s%s}",$maxkeylen+4,"\"$key\",",$dic{$key});
+}
+print "\n";
+
+exit
diff --git a/orbotservice/src/main/jni/pdnsd/src/status.c b/orbotservice/src/main/jni/pdnsd/src/status.c
new file mode 100644
index 0000000..4240069
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/status.c
@@ -0,0 +1,824 @@
+/* status.c - Allow control of a running server using a socket
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2011 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_ALLOCA_H
+#include <alloca.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/utsname.h>
+#include <errno.h>
+#include <pthread.h>
+#include <string.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <stddef.h>	/* for offsetof */
+#include "ipvers.h"
+#include "status.h"
+#include "thread.h"
+#include "cache.h"
+#include "error.h"
+#include "servers.h"
+#include "dns_answer.h"
+#include "helpers.h"
+#include "conf-parser.h"
+
+#if !defined(HAVE_ALLOCA) && !defined(alloca)
+#define alloca malloc
+#endif
+
+
+char *sock_path=NULL;
+int stat_sock;
+
+
+/* Print an error to the socket */
+static int print_serr(int rs, const char *msg)
+{
+	uint16_t cmd;
+
+	DEBUG_MSG("Sending error message to control socket: '%s'\n",msg);
+	cmd=htons(1);
+	if(write(rs,&cmd,sizeof(cmd))!=sizeof(cmd) ||
+	   write_all(rs,msg,strlen(msg))<0)
+	{
+		DEBUG_MSG("Error writing to control socket: %s\n",strerror(errno));
+		return 0;
+	}
+	return 1;
+}
+
+/* Print a success code to the socket */
+static int print_succ(int rs)
+{
+	uint16_t cmd;
+
+	cmd=htons(0);
+	if(write(rs,&cmd,sizeof(cmd))!=sizeof(cmd)) {
+		DEBUG_MSG("Error writing to control socket: %s\n"
+			  "Failed to send success code.\n",strerror(errno));
+		return 0;
+	}
+	return 1;
+}
+
+/* Read a cmd short */
+static int read_short(int fh, uint16_t *res)
+{
+	uint16_t cmd;
+
+	if (read(fh,&cmd,sizeof(cmd))!=sizeof(cmd)) {
+		/* print_serr(fh,"Bad arg."); */
+		return 0;
+	}
+	*res= ntohs(cmd);
+	return 1;
+}
+
+/* Read a cmd long */
+static int read_long(int fh, uint32_t *res)
+{
+	uint32_t cmd;
+
+	if (read(fh,&cmd,sizeof(cmd))!=sizeof(cmd)) {
+		/* print_serr(fh,"Bad arg."); */
+		return 0;
+	}
+	*res= ntohl(cmd);
+	return 1;
+}
+
+/* Read a string preceded by a char count.
+   A buffer of the right size is allocated to hold the result.
+   A return value of 1 means success,
+   -1 means the result is undefined (*res is set to NULL),
+   0 means read or allocation error.
+*/
+static int read_allocstring(int fh, char **res, unsigned *len)
+{
+	uint16_t count;
+	char *buf;
+	unsigned int nread;
+
+	if(!read_short(fh,&count)) return 0;
+	if(count==(uint16_t)(~0)) {*res=NULL; return -1;}
+	if(!(buf=malloc(count+1))) return 0;
+	nread=0;
+	while(nread<count) {
+		ssize_t m=read(fh,buf+nread,count-nread);
+		if(m<=0) {free(buf); return 0;}
+		nread+=m;
+	}
+	buf[count]=0;
+	*res=buf;
+	if(len) *len=count;
+	return 1;
+}
+
+/* Read a string preceded by a char count.
+   Place it in a buffer of size buflen and terminate with a null char.
+   A return value of 1 means success, -1 means not defined,
+   0 means error (read error, buffer too small).
+*/
+static int read_domain(int fh, char *buf, unsigned int buflen)
+{
+	uint16_t count;
+	unsigned int nread;
+
+	if(!read_short(fh,&count)) return 0;
+	if(count==(uint16_t)(~0)) return -1;
+	if(count >=buflen) return 0;
+	nread=0;
+	while(nread<count) {
+		ssize_t m=read(fh,buf+nread,count-nread);
+		if(m<=0) return 0;
+		nread+=m;
+	}
+	buf[count]=0;
+#if 0
+	if(count==0 || buf[count-1]!='.') {
+		if(count+1>=buflen) return 0;
+		buf[count]='.'; buf[count+1]=0;
+	}
+#endif
+	return 1;
+}
+
+static void *status_thread (void *p)
+{
+	THREAD_SIGINIT;
+	/* (void)p; */  /* To inhibit "unused variable" warning */
+
+	if (!global.strict_suid) {
+		if (!run_as(global.run_as)) {
+			pdnsd_exit();
+		}
+	}
+
+	if (listen(stat_sock,5)==-1) {
+		log_warn("Error: could not listen on socket: %s.\nStatus readback will be impossible",strerror(errno));
+		goto exit_thread;
+	}
+	for(;;) {
+		struct sockaddr_un ra;
+		socklen_t res=sizeof(ra);
+		int rs;
+		if ((rs=accept(stat_sock,(struct sockaddr *)&ra,&res))!=-1) {
+			uint16_t cmd;
+			DEBUG_MSG("Status socket query pending.\n");
+			if (read_short(rs,&cmd)) {
+			    /* Check magic number in command */
+			    if((cmd & 0xff00) == CTL_CMDVERNR) {
+				const char *errmsg;
+				cmd &= 0xff;
+				switch(cmd) {
+				case CTL_STATS: {
+					struct utsname nm;
+					DEBUG_MSG("Received STATUS query.\n");
+					if(!print_succ(rs))
+						break;
+					uname(&nm);
+					if(fsprintf(rs,"pdnsd-%s running on %s.\n",VERSION,nm.nodename)<0 ||
+					   report_cache_stat(rs)<0 ||
+					   report_thread_stat(rs)<0 ||
+					   report_conf_stat(rs)<0)
+					{
+						DEBUG_MSG("Error writing to control socket: %s\n"
+							  "Failed to send status report.\n",strerror(errno));
+					}
+				}
+					break;
+				case CTL_SERVER: {
+					char *label,*dnsaddr;
+					int indx;
+					uint16_t cmd2;
+					DEBUG_MSG("Received SERVER command.\n");
+					if (read_allocstring(rs,&label,NULL)<=0) {
+					    print_serr(rs,"Error reading server label.");
+					    break;
+					}
+					if (!read_short(rs,&cmd2)) {
+					    print_serr(rs,"Missing up|down|retest.");
+					    goto free_label_break;
+					}
+					if(!read_allocstring(rs, &dnsaddr,NULL)) {
+					    print_serr(rs,"Error reading DNS addresses.");
+					    goto free_label_break;
+					}
+					/* Note by Paul Rombouts:
+					   We are about to access server configuration data.
+					   Now that the configuration can be changed during run time,
+					   we should be using locks before accessing server config data, even if it
+					   is read-only access.
+					   However, as long as this is the only thread that calls reload_config_file()
+					   it should be OK to read the server config without locks, but it is
+					   something to keep in mind.
+					*/
+					{
+					    char *endptr;
+					    indx=strtol(label,&endptr,0);
+					    if(!*endptr) {
+						if (indx<0 || indx>=DA_NEL(servers)) {
+						    print_serr(rs,"Server index out of range.");
+						    goto free_dnsaddr_label_break;
+						}
+					    }
+					    else {
+						if (!strcmp(label, "all"))
+						    indx=-2; /* all servers */
+						else
+						    indx=-1; /* compare names */
+					    }
+					}
+					if(cmd2==CTL_S_UP || cmd2==CTL_S_DOWN || cmd2==CTL_S_RETEST) {
+					    if(!dnsaddr) {
+						if (indx==-1) {
+						    int i;
+						    for (i=0;i<DA_NEL(servers);++i) {
+							char *servlabel=DA_INDEX(servers,i).label;
+							if (servlabel && !strcmp(servlabel,label))
+							    goto found_label;
+						    }
+						    print_serr(rs,"Bad server label.");
+						    goto free_dnsaddr_label_break;
+						found_label:;
+						}
+						if(mark_servers(indx,(indx==-1)?label:NULL,(cmd2==CTL_S_RETEST)?-1:(cmd2==CTL_S_UP))==0)
+						    print_succ(rs);
+						else
+						    print_serr(rs,"Could not start up or signal server status thread.");
+					    }
+					    else { /* Change server addresses */
+						if(indx==-2) {
+						    print_serr(rs,"Can't use label \"all\" to change server addresses.");
+						    goto free_dnsaddr_label_break;
+						}
+						if(indx==-1) {
+						    int i;
+						    for(i=0;i<DA_NEL(servers);++i) {
+							char *servlabel=DA_INDEX(servers,i).label;
+							if (servlabel && !strcmp(servlabel,label)) {
+							    if(indx!=-1) {
+								print_serr(rs,"server label must be unique to change server addresses.");
+								goto free_dnsaddr_label_break;
+							    }
+							    indx=i;
+							}
+						    }
+						    if(indx==-1) {
+							print_serr(rs,"Bad server label.");
+							goto free_dnsaddr_label_break;
+						    }
+						}
+						{
+						    char *ipstr,*q=dnsaddr;
+						    addr_array ar=NULL;
+						    pdnsd_a addr;
+						    int err;
+						    for(;;) {
+							for(;;) {
+							    if(!*q) goto change_servs;
+							    if(*q!=',' && !isspace(*q)) break;
+							    ++q;
+							}
+							ipstr=q;
+							for(;;) {
+							    ++q;
+							    if(!*q) break;
+							    if(*q==',' || isspace(*q)) {*q++=0; break; }
+							}
+							if(!str2pdnsd_a(ipstr,&addr)) {
+							    print_serr(rs,"Bad server ip");
+							    goto free_ar;
+							}
+							if(!(ar=DA_GROW1(ar))) {
+							    print_serr(rs,"Out of memory.");
+							    goto free_dnsaddr_label_break;
+							}
+							DA_LAST(ar)=addr;
+						    }
+						change_servs:
+						    err=change_servers(indx,ar,(cmd2==CTL_S_RETEST)?-1:(cmd2==CTL_S_UP));
+						    if(err==0)
+							print_succ(rs);
+						    else
+							print_serr(rs,err==ETIMEDOUT?"Timed out while trying to gain access to server data.":
+								      err==ENOMEM?"Out of memory.":
+								      "Could not start up or signal server status thread.");
+						free_ar:
+						    da_free(ar);
+						}
+					    }
+					}
+					else
+					    print_serr(rs,"Bad command.");
+
+				free_dnsaddr_label_break:
+					free(dnsaddr);
+				free_label_break:
+					free(label);
+				}
+					break;
+				case CTL_RECORD: {
+					uint16_t cmd2;
+					unsigned char name[DNSNAMEBUFSIZE],buf[DNSNAMEBUFSIZE];
+					DEBUG_MSG("Received RECORD command.\n");
+					if (!read_short(rs,&cmd2))
+						goto incomplete_command;
+					if (read_domain(rs, charp buf, sizeof(buf))<=0)
+						goto incomplete_command;
+					if ((errmsg=parsestr2rhn(buf,sizeof(buf),name))!=NULL)
+						goto bad_domain_name;
+					switch (cmd2) {
+					case CTL_R_DELETE:
+						del_cache(name);
+						print_succ(rs);
+						break;
+					case CTL_R_INVAL:
+						invalidate_record(name);
+						print_succ(rs);
+						break;
+					default:
+						print_serr(rs,"Bad command.");
+					}
+				}
+					break;
+				case CTL_SOURCE: {
+					uint32_t ttl;
+					char *fn;
+					uint16_t servaliases,flags;
+					unsigned char buf[DNSNAMEBUFSIZE],owner[DNSNAMEBUFSIZE];
+
+					DEBUG_MSG("Received SOURCE command.\n");
+					if (read_allocstring(rs,&fn,NULL)<=0) {
+						print_serr(rs,"Bad filename name.");
+						break;
+					}
+					if (read_domain(rs, charp buf, sizeof(buf))<=0 ||
+					    !read_long(rs,&ttl) ||
+					    !read_short(rs,&servaliases) ||	/* serve aliases */
+					    !read_short(rs,&flags))		/* caching flags */
+					{
+						print_serr(rs,"Malformed or incomplete command.");
+						goto free_fn;
+					}
+					if ((errmsg=parsestr2rhn(buf,sizeof(buf),owner))!=NULL) {
+						print_serr(rs,errmsg);
+						goto free_fn;
+					}
+					if (ttl < 0) {
+						print_serr(rs, "Bad TTL.");
+						goto free_fn;
+					}
+					if(flags&DF_NEGATIVE) {
+						print_serr(rs, "Bad cache flags.");
+						goto free_fn;
+					}
+					{
+						char *errmsg;
+						if (read_hosts(fn,owner,ttl,flags,servaliases,&errmsg))
+							print_succ(rs);
+						else {
+							print_serr(rs,errmsg?:"Out of memory.");
+							free(errmsg);
+						}
+					}
+				free_fn:
+					free(fn);
+				}
+					break;
+				case CTL_ADD: {
+					uint32_t ttl;
+					unsigned sz;
+					uint16_t tp,flags,nadr=0;
+					unsigned char name[DNSNAMEBUFSIZE],buf[DNSNAMEBUFSIZE],dbuf[2+DNSNAMEBUFSIZE];
+					size_t adrbufsz=0;
+					unsigned char *adrbuf=NULL;
+
+					DEBUG_MSG("Received ADD command.\n");
+					if (!read_short(rs,&tp))
+						goto incomplete_command;
+					if (read_domain(rs, charp buf, sizeof(buf))<=0)
+						goto incomplete_command;
+					if (!read_long(rs,&ttl))
+						goto incomplete_command;
+					if (!read_short(rs,&flags))	/* caching flags */
+						goto incomplete_command;
+					if ((errmsg=parsestr2rhn(buf,sizeof(buf),name))!=NULL)
+						goto bad_domain_name;
+					if (ttl < 0)
+						goto bad_ttl;
+					if(flags&DF_NEGATIVE)
+						goto bad_flags;
+
+					switch (tp) {
+					case T_A:
+						sz=sizeof(struct in_addr);
+    #if ALLOW_LOCAL_AAAA
+						goto read_adress_list;
+					case T_AAAA:
+						sz=sizeof(struct in6_addr);
+					read_adress_list:
+    #endif
+						if (!read_short(rs,&nadr))
+							goto incomplete_command;
+						if (!nadr)
+							goto bad_arg;
+						adrbufsz= nadr * (size_t)sz;
+						adrbuf= malloc(adrbufsz);
+						if(!adrbuf)
+							goto out_of_memory;
+						{
+							size_t nread=0;
+							while(nread<adrbufsz) {
+								ssize_t m=read(rs,adrbuf+nread,adrbufsz-nread);
+								if(m<=0) {free(adrbuf); goto bad_arg;}
+								nread += m;
+							}
+						}
+						break;
+					case T_CNAME:
+					case T_PTR:
+					case T_NS:
+						if (read_domain(rs, charp buf, sizeof(buf))<=0)
+							goto incomplete_command;
+						if ((errmsg=parsestr2rhn(buf,sizeof(buf),dbuf))!=NULL)
+							goto bad_domain_name;
+						sz=rhnlen(dbuf);
+						break;
+					case T_MX:
+						if (read(rs,dbuf,2)!=2)
+							goto bad_arg;
+						if (read_domain(rs, charp buf, sizeof(buf))<=0)
+							goto incomplete_command;
+						if ((errmsg=parsestr2rhn(buf,sizeof(buf),dbuf+2))!=NULL)
+							goto bad_domain_name;
+						sz=rhnlen(dbuf+2)+2;
+						break;
+					default:
+						goto bad_arg;
+					}
+					{
+						dns_cent_t cent;
+
+						if (!init_cent(&cent, name, 0, 0, flags  DBG1)) {
+							free(adrbuf);
+							goto out_of_memory;
+						}
+						if(adrbuf) {
+							unsigned char *adrp; int i;
+							for(adrp=adrbuf,i=0; i<nadr; adrp += sz,++i) {
+								if (!add_cent_rr(&cent,tp,ttl,0,CF_LOCAL,sz,adrp  DBG1)) {
+									free_cent(&cent  DBG1);
+									free(adrbuf);
+									goto out_of_memory;
+								}
+							}
+							free(adrbuf);
+						}
+						else if (!add_cent_rr(&cent,tp,ttl,0,CF_LOCAL,sz,dbuf  DBG1)) {
+							free_cent(&cent  DBG1);
+							goto out_of_memory;
+						}
+
+						if(cent.qname[0]==1 && cent.qname[1]=='*') {
+							/* Wild card record.
+							   Set the DF_WILD flag for the name with '*.' removed. */
+							if(!set_cent_flags(&cent.qname[2],DF_WILD)) {
+								print_serr(rs,
+									   "Before defining records for a name with a wildcard"
+									   " you must first define some records for the name"
+									   " with '*.' removed.");
+								goto cleanup_cent;
+							}
+						}
+
+						add_cache(&cent);
+						print_succ(rs);
+					cleanup_cent:
+						free_cent(&cent  DBG1);
+					}
+				}
+					break;
+				case CTL_NEG: {
+					uint32_t ttl;
+					uint16_t tp;
+					unsigned char name[DNSNAMEBUFSIZE],buf[DNSNAMEBUFSIZE];
+
+					DEBUG_MSG("Received NEG command.\n");
+					if (read_domain(rs, charp buf, sizeof(buf))<=0)
+						goto incomplete_command;
+					if (!read_short(rs,&tp))
+						goto incomplete_command;
+					if (!read_long(rs,&ttl))
+						goto incomplete_command;
+					if ((errmsg=parsestr2rhn(buf,sizeof(buf),name))!=NULL) {
+						DEBUG_MSG("NEG: received bad domain name.\n");
+						goto bad_domain_name;
+					}
+					if (tp!=255 && PDNSD_NOT_CACHED_TYPE(tp)) {
+						DEBUG_MSG("NEG: received bad record type.\n");
+						print_serr(rs,"Bad record type.");
+						break;
+					}
+					if (ttl < 0)
+						goto bad_ttl;
+					{
+						dns_cent_t cent;
+
+						if (tp==255) {
+							if (!init_cent(&cent, name, ttl, 0, DF_LOCAL|DF_NEGATIVE  DBG1))
+								goto out_of_memory;
+						} else {
+							if (!init_cent(&cent, name, 0, 0, 0  DBG1))
+								goto out_of_memory;
+							if (!add_cent_rrset_by_type(&cent,tp,ttl,0,CF_LOCAL|CF_NEGATIVE  DBG1)) {
+								free_cent(&cent  DBG1);
+								goto out_of_memory;
+							}
+						}
+						add_cache(&cent);
+						free_cent(&cent DBG1);
+					}
+					print_succ(rs);
+				}
+					break;
+				case CTL_CONFIG: {
+					char *fn,*errmsg;
+					DEBUG_MSG("Received CONFIG command.\n");
+					if (!read_allocstring(rs,&fn,NULL)) {
+						print_serr(rs,"Bad filename name.");
+						break;
+					}
+					if (reload_config_file(fn,&errmsg))
+						print_succ(rs);
+					else {
+						print_serr(rs,errmsg?:"Out of memory.");
+						free(errmsg);
+					}
+					free(fn);
+				}
+					break;
+				case CTL_INCLUDE: {
+					char *fn,*errmsg;
+					DEBUG_MSG("Received INCLUDE command.\n");
+					if (read_allocstring(rs,&fn,NULL)<=0) {
+						print_serr(rs,"Bad filename name.");
+						break;
+					}
+					if (read_config_file(fn,NULL,NULL,0,&errmsg))
+						print_succ(rs);
+					else {
+						print_serr(rs,errmsg?:"Out of memory.");
+						free(errmsg);
+					}
+					free(fn);
+				}
+					break;
+				case CTL_EVAL: {
+					char *str,*errmsg;
+					DEBUG_MSG("Received EVAL command.\n");
+					if (!read_allocstring(rs,&str,NULL)) {
+						print_serr(rs,"Bad input string.");
+						break;
+					}
+					if (confparse(NULL,str,NULL,NULL,0,&errmsg))
+						print_succ(rs);
+					else {
+						print_serr(rs,errmsg?:"Out of memory.");
+						free(errmsg);
+					}
+					free(str);
+				}
+					break;
+				case CTL_EMPTY: {
+					slist_array sla=NULL;
+					char *names; unsigned len;
+
+					DEBUG_MSG("Received EMPTY command.\n");
+					if (!read_allocstring(rs,&names,&len)) {
+						print_serr(rs,"Bad arguments.");
+						break;
+					}
+					if(names) {
+						char *p=names, *last=names+len;
+
+						while(p<last) {
+							int tp;
+							char *q;
+							slist_t *sl;
+							unsigned sz;
+							unsigned char rhn[DNSNAMEBUFSIZE];
+
+							if(*p=='-') {
+								tp=C_EXCLUDED;
+								++p;
+							}
+							else {
+								tp=C_INCLUDED;
+								if(*p=='+') ++p;
+							}
+							/* skip a possible leading dot. */
+							if(p+1<last && *p=='.' && *(p+1)) ++p;
+							q=p;
+							while(q<last && *q) ++q;
+							if ((errmsg=parsestr2rhn(ucharp p,q-p,rhn))!=NULL) {
+								DEBUG_MSG("EMPTY: received bad domain name: %s\n",p);
+								print_serr(rs,errmsg);
+								goto free_sla_names_break;
+							}
+							sz=rhnlen(rhn);
+							if (!(sla=DA_GROW1_F(sla,free_slist_domain))) {
+								print_serr(rs,"Out of memory.");
+								goto free_names_break;
+							}
+							sl=&DA_LAST(sla);
+
+							if (!(sl->domain=malloc(sz))) {
+								print_serr(rs,"Out of memory.");
+								goto free_sla_names_break;
+							}
+							memcpy(sl->domain,rhn,sz);
+							sl->exact=0;
+							sl->rule=tp;
+							p = q+1;
+						}
+					}
+					if(empty_cache(sla))
+						print_succ(rs);
+					else
+						print_serr(rs,"Could not lock the cache.");
+				free_sla_names_break:
+					free_slist_array(sla);
+				free_names_break:
+					free(names);
+				}
+					break;
+				case CTL_DUMP: {
+					int rv,exact=0;
+					unsigned char *nm=NULL;
+					char buf[DNSNAMEBUFSIZE];
+					unsigned char rhn[DNSNAMEBUFSIZE];
+					DEBUG_MSG("Received DUMP command.\n");
+					if (!(rv=read_domain(rs,buf,sizeof(buf)))) {
+						print_serr(rs,"Bad domain name.");
+						break;
+					}
+					if(rv>0) {
+						int sz;
+						exact=1; nm= ucharp buf; sz=sizeof(buf);
+						if(buf[0]=='.' && buf[1]) {
+							exact=0; ++nm; --sz;
+						}
+						if ((errmsg=parsestr2rhn(nm,sz,rhn))!=NULL)
+							goto bad_domain_name;
+						nm=rhn;
+					}
+					if(!print_succ(rs))
+						break;
+					if((rv=dump_cache(rs,nm,exact))<0 ||
+					   (!rv && fsprintf(rs,"Could not find %s%s in the cache.\n",
+							    exact?"":nm?"any entries matching ":"any entries",
+							    nm?buf:"")<0))
+					{
+						DEBUG_MSG("Error writing to control socket: %s\n",strerror(errno));
+					}
+				}
+					break;
+				incomplete_command:
+					print_serr(rs,"Malformed or incomplete command.");
+					break;
+				bad_arg:
+					print_serr(rs,"Bad arg.");
+					break;
+				bad_domain_name:
+					print_serr(rs,errmsg);
+					break;
+				bad_ttl:
+					print_serr(rs, "Bad TTL.");
+					break;
+				bad_flags:
+					print_serr(rs, "Bad cache flags.");
+					break;
+				out_of_memory:
+					print_serr(rs,"Out of memory.");
+					break;
+				default:
+					print_serr(rs,"Unknown command.");
+				}
+			    }
+			    else {
+				    DEBUG_MSG("Incorrect magic number in status-socket command code: %02x\n",cmd>>8);
+				    print_serr(rs,"Command code contains incompatible version number.");
+			    }
+			}
+			else {
+				DEBUG_MSG("short status-socket query\n");
+				print_serr(rs,"Command code missing or too short.");
+			}
+			close(rs);
+			usleep_r(100000); /* sleep some time. I do not want the query frequency to be too high. */
+		}
+		else if (errno!=EINTR) {
+			log_warn("Failed to accept connection on status socket: %s. "
+				 "Status readback will be impossible",strerror(errno));
+			break;
+		}
+	}
+
+ exit_thread:
+	stat_pipe=0;
+	close(stat_sock);
+	statsock_thrid=main_thrid;
+
+	return NULL;
+}
+
+/*
+ * Initialize the status socket
+ */
+void init_stat_sock()
+{
+	struct sockaddr_un *sa;
+	/* Should I include the terminating null byte in the calculation of the length parameter
+	   for the socket address? The glibc info page "Details of Local Namespace" tells me I should not,
+	   yet it is immediately followed by an example that contradicts that.
+	   The SUN_LEN macro seems to be defined as
+	   (offsetof(struct sockaddr_un, sun_path) + strlen(sa->sun_path)),
+	   so I conclude it is not necessary to count the null byte, but it probably makes no
+	   difference if you do.
+	*/
+	unsigned int sa_len = (offsetof(struct sockaddr_un, sun_path) + strlitlen("/pdnsd.status") + strlen(global.cache_dir));
+
+	sa=(struct sockaddr_un *)alloca(sa_len+1);
+	stpcpy(stpcpy(sa->sun_path,global.cache_dir),"/pdnsd.status");
+
+	if (unlink(sa->sun_path)!=0 && errno!=ENOENT) { /* Delete the socket */
+		log_warn("Failed to unlink %s: %s.\nStatus readback will be disabled",sa->sun_path, strerror(errno));
+		stat_pipe=0;
+		return;
+	}
+	if ((stat_sock=socket(PF_UNIX,SOCK_STREAM,0))==-1) {
+		log_warn("Failed to open socket: %s. Status readback will be impossible",strerror(errno));
+		stat_pipe=0;
+		return;
+	}
+	sa->sun_family=AF_UNIX;
+#ifdef BSD44_SOCKA
+	sa->sun_len=SUN_LEN(sa);
+#endif
+	/* Early initialization, so that umask can be used race-free. */
+	{
+		mode_t old_mask = umask((S_IRWXU|S_IRWXG|S_IRWXO)&(~global.ctl_perms));
+		if (bind(stat_sock,(struct sockaddr *)sa,sa_len)==-1) {
+			log_warn("Error: could not bind socket: %s.\nStatus readback will be impossible",strerror(errno));
+			close(stat_sock);
+			stat_pipe=0;
+		}
+		umask(old_mask);
+	}
+
+	if(stat_pipe) sock_path= strdup(sa->sun_path);
+}
+
+/*
+ * Start the status socket thread (see above)
+ */
+int start_stat_sock()
+{
+	pthread_t st;
+
+	int rv=pthread_create(&st,&attr_detached,status_thread,NULL);
+	if (rv)
+		log_warn("Failed to start status thread. The status socket will be unuseable");
+	else {
+		statsock_thrid=st;
+		log_info(2,"Status thread started.");
+	}
+	return rv;
+}
diff --git a/orbotservice/src/main/jni/pdnsd/src/status.h b/orbotservice/src/main/jni/pdnsd/src/status.h
new file mode 100644
index 0000000..1d249f7
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/status.h
@@ -0,0 +1,59 @@
+/* status.h - Make server status information accessible through a named pipe
+
+   Copyright (C) 2000, 2001 Thomas Moestl
+   Copyright (C) 2002, 2004, 2008, 2009 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef _STATUS_H_
+#define _STATUS_H_
+
+#include <config.h>
+#include "conff.h"
+
+extern char *sock_path;
+extern int stat_sock;
+
+/* The commands for pdnsd-ctl */
+#define CTL_CMDVERNR 0x6800  /* pdnsd-ctl command version (magic number used to check compatibility) */
+
+#define CTL_MIN      1
+#define CTL_STATS    1 /* Give out stats (like the "traditional" status pipe) */
+#define CTL_SERVER   2 /* Enable or disable a server */
+#define CTL_RECORD   3 /* Delete or invalidate records */
+#define CTL_SOURCE   4 /* Read a hosts-style file */
+#define CTL_ADD      5 /* Add a record of the given type */
+#define CTL_NEG      6 /* Add a negative cached record */
+#define CTL_CONFIG   7 /* Re-read config file */
+#define CTL_INCLUDE  8 /* Read file as config file, disregarding global and server sections */
+#define CTL_EVAL     9 /* Parse string as if part of config file */
+#define CTL_EMPTY   10 /* Empty the cache */
+#define CTL_DUMP    11 /* Dump cache contents */
+#define CTL_MAX     11
+
+#define CTL_S_UP     1
+#define CTL_S_DOWN   2
+#define CTL_S_RETEST 3
+#define CTL_R_DELETE 1
+#define CTL_R_INVAL  2
+
+void init_stat_sock(void);
+int start_stat_sock(void);
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/src/test/Makefile.am b/orbotservice/src/main/jni/pdnsd/src/test/Makefile.am
new file mode 100644
index 0000000..81da088
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/test/Makefile.am
@@ -0,0 +1,35 @@
+
+.PHONY: all clean distclean
+
+noinst_PROGRAMS = if_up is_local_addr tping random
+
+## Dirty trick:  I demand that these objects be built; then, with the knowledge
+## that the object files will end up here, I redefine the link chain. 
+
+TESTADDSRC=
+#TESTADDSRC= netdev.c error.c thread.c helpers.c icmp.c
+TESTDEPS = netdev.o error.o thread.o helpers.o icmp.o
+
+TESTOBJS = netdev.o error.o thread.o helpers.o icmp.o
+
+if_up_SOURCES = if_up.c $(TESTADDSRC)
+if_up_LDADD =  $(TESTOBJS) @thread_CFLAGS@
+if_up_DEPENDENCIES = $(TESTDEPS)
+
+is_local_addr_SOURCES = is_local_addr.c $(TESTADDSRC)
+is_local_addr_LDADD = $(TESTOBJS) @thread_CFLAGS@
+is_local_addr_DEPENDENCIES = $(TESTDEPS)
+
+tping_SOURCES = tping.c $(TESTADDSRC)
+tping_LDADD = $(TESTOBJS) @thread_CFLAGS@
+tping_DEPENDENCIES = $(TESTDEPS)
+
+random_SOURCES = random.c $(TESTADDSRC)
+random_LDADD = $(TESTOBJS) @thread_CFLAGS@
+random_DEPENDENCIES = $(TESTDEPS)
+
+# These are Symlinks we want to have in the package
+#EXTRA_DIST = conff.h error.h helpers.h icmp.h ipvers.h netdev.h thread.h cacheing
+
+$(TESTOBJS): %.o: ../%.c
+	$(COMPILE) @thread_CFLAGS@ -c $<
diff --git a/orbotservice/src/main/jni/pdnsd/src/test/Makefile.in b/orbotservice/src/main/jni/pdnsd/src/test/Makefile.in
new file mode 100644
index 0000000..2ad8641
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/test/Makefile.in
@@ -0,0 +1,464 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+noinst_PROGRAMS = if_up$(EXEEXT) is_local_addr$(EXEEXT) tping$(EXEEXT) \
+	random$(EXEEXT)
+subdir = src/test
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+PROGRAMS = $(noinst_PROGRAMS)
+am__objects_1 =
+am_if_up_OBJECTS = if_up.$(OBJEXT) $(am__objects_1)
+if_up_OBJECTS = $(am_if_up_OBJECTS)
+am_is_local_addr_OBJECTS = is_local_addr.$(OBJEXT) $(am__objects_1)
+is_local_addr_OBJECTS = $(am_is_local_addr_OBJECTS)
+am_random_OBJECTS = random.$(OBJEXT) $(am__objects_1)
+random_OBJECTS = $(am_random_OBJECTS)
+am_tping_OBJECTS = tping.$(OBJEXT) $(am__objects_1)
+tping_OBJECTS = $(am_tping_OBJECTS)
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+SOURCES = $(if_up_SOURCES) $(is_local_addr_SOURCES) $(random_SOURCES) \
+	$(tping_SOURCES)
+DIST_SOURCES = $(if_up_SOURCES) $(is_local_addr_SOURCES) \
+	$(random_SOURCES) $(tping_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALLOCA = @ALLOCA@
+AMTAR = @AMTAR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+GREP = @GREP@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+MKDIR_P = @MKDIR_P@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_CC = @ac_ct_CC@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build_alias = @build_alias@
+builddir = @builddir@
+cachedir = @cachedir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+def_id = @def_id@
+distribution = @distribution@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+fullversion = @fullversion@
+host_alias = @host_alias@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+packagerelease = @packagerelease@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+specbuild = @specbuild@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+thread_CFLAGS = @thread_CFLAGS@
+threadlib = @threadlib@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+TESTADDSRC = 
+#TESTADDSRC= netdev.c error.c thread.c helpers.c icmp.c
+TESTDEPS = netdev.o error.o thread.o helpers.o icmp.o
+TESTOBJS = netdev.o error.o thread.o helpers.o icmp.o
+if_up_SOURCES = if_up.c $(TESTADDSRC)
+if_up_LDADD = $(TESTOBJS) @thread_CFLAGS@
+if_up_DEPENDENCIES = $(TESTDEPS)
+is_local_addr_SOURCES = is_local_addr.c $(TESTADDSRC)
+is_local_addr_LDADD = $(TESTOBJS) @thread_CFLAGS@
+is_local_addr_DEPENDENCIES = $(TESTDEPS)
+tping_SOURCES = tping.c $(TESTADDSRC)
+tping_LDADD = $(TESTOBJS) @thread_CFLAGS@
+tping_DEPENDENCIES = $(TESTDEPS)
+random_SOURCES = random.c $(TESTADDSRC)
+random_LDADD = $(TESTOBJS) @thread_CFLAGS@
+random_DEPENDENCIES = $(TESTDEPS)
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/test/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/test/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstPROGRAMS:
+	-test -z "$(noinst_PROGRAMS)" || rm -f $(noinst_PROGRAMS)
+if_up$(EXEEXT): $(if_up_OBJECTS) $(if_up_DEPENDENCIES) 
+	@rm -f if_up$(EXEEXT)
+	$(LINK) $(if_up_OBJECTS) $(if_up_LDADD) $(LIBS)
+is_local_addr$(EXEEXT): $(is_local_addr_OBJECTS) $(is_local_addr_DEPENDENCIES) 
+	@rm -f is_local_addr$(EXEEXT)
+	$(LINK) $(is_local_addr_OBJECTS) $(is_local_addr_LDADD) $(LIBS)
+random$(EXEEXT): $(random_OBJECTS) $(random_DEPENDENCIES) 
+	@rm -f random$(EXEEXT)
+	$(LINK) $(random_OBJECTS) $(random_LDADD) $(LIBS)
+tping$(EXEEXT): $(tping_OBJECTS) $(tping_DEPENDENCIES) 
+	@rm -f tping$(EXEEXT)
+	$(LINK) $(tping_OBJECTS) $(tping_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/if_up.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/is_local_addr.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/random.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tping.Po@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(COMPILE) -c $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(COMPILE) -c `$(CYGPATH_W) '$<'`
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	set x; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-noinstPROGRAMS mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-noinstPROGRAMS ctags distclean distclean-compile \
+	distclean-generic distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \
+	uninstall-am
+
+
+.PHONY: all clean distclean
+
+# These are Symlinks we want to have in the package
+#EXTRA_DIST = conff.h error.h helpers.h icmp.h ipvers.h netdev.h thread.h cacheing
+
+$(TESTOBJS): %.o: ../%.c
+	$(COMPILE) @thread_CFLAGS@ -c $<
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/orbotservice/src/main/jni/pdnsd/src/test/if_up.c b/orbotservice/src/main/jni/pdnsd/src/test/if_up.c
new file mode 100644
index 0000000..af6ec97
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/test/if_up.c
@@ -0,0 +1,36 @@
+#include <config.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "../helpers.h"
+#include "../conff.h"
+#include "../netdev.h"
+
+short int daemon_p=0;
+#if DEBUG>0
+short int debug_p=0;
+#endif
+short int verbosity=VERBOSITY;
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+short int run_ipv4=DEFAULT_IPV4;
+#endif
+#ifdef ENABLE_IPV6
+struct in6_addr ipv4_6_prefix;
+#endif
+pthread_t main_thrid,servstat_thrid;
+volatile int signal_interrupt;
+#if DEBUG>0
+FILE *dbg_file;
+#endif
+globparm_t global;
+
+
+int main(int argc, char *argv[])
+{
+	if (argc!=2) {
+		printf("Usage: %s <interface>\n",argv[0]);
+		exit(1);
+	}
+	printf("if_up: %s - %s\n",argv[1],if_up(argv[1])?"up":"down");
+	return 0;
+}
diff --git a/orbotservice/src/main/jni/pdnsd/src/test/is_local_addr.c b/orbotservice/src/main/jni/pdnsd/src/test/is_local_addr.c
new file mode 100644
index 0000000..fda517d
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/test/is_local_addr.c
@@ -0,0 +1,57 @@
+#include <config.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "../helpers.h"
+#include "../conff.h"
+#include "../netdev.h"
+#include "../ipvers.h"
+
+short int daemon_p=0;
+#if DEBUG>0
+short int debug_p=0;
+#endif
+short int verbosity=VERBOSITY;
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+short int run_ipv4=DEFAULT_IPV4;
+#endif
+#ifdef ENABLE_IPV6
+struct in6_addr ipv4_6_prefix;
+#endif
+pthread_t main_thrid,servstat_thrid;
+volatile int signal_interrupt;
+#if DEBUG>0
+FILE *dbg_file;
+#endif
+globparm_t global;
+
+
+int main(int argc, char *argv[])
+{
+	pdnsd_a a;
+
+	if (argc!=2) {
+		printf("Usage: %s <address>\n",argv[0]);
+		exit(1);
+	}
+#ifdef ENABLE_IPV4
+	if (inet_aton(argv[1],&a.ipv4)) {
+# ifdef ENABLE_IPV6
+		run_ipv4=1;
+# endif
+		printf("is %s a local addr: %s\n",argv[1],is_local_addr(&a)?"yes":"no");
+		return 0;
+	}
+#endif
+#ifdef ENABLE_IPV6
+	if (inet_pton(AF_INET6,argv[1],&a.ipv6)) {
+# ifdef ENABLE_IPV4
+		run_ipv4=0;
+# endif
+		printf("is %s a local addr: %s\n",argv[1],is_local_addr(&a)?"yes":"no");
+		return 0;
+	}
+#endif
+	printf("Adress invalid.\n");
+	return 0;
+}
diff --git a/orbotservice/src/main/jni/pdnsd/src/test/random.c b/orbotservice/src/main/jni/pdnsd/src/test/random.c
new file mode 100644
index 0000000..a447e80
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/test/random.c
@@ -0,0 +1,33 @@
+#include <config.h>
+#include <stdio.h>
+#include <pthread.h>
+#include <string.h>
+#include "../helpers.h"
+#include "../conff.h"
+
+short int daemon_p=0;
+#if DEBUG>0
+short int debug_p=0;
+#endif
+short int verbosity=VERBOSITY;
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+short int run_ipv4=DEFAULT_IPV4;
+#endif
+#ifdef ENABLE_IPV6
+struct in6_addr ipv4_6_prefix;
+#endif
+pthread_t main_thrid,servstat_thrid;
+volatile int signal_interrupt;
+#if DEBUG>0
+FILE *dbg_file;
+#endif
+globparm_t global;
+
+
+int main(void)
+{
+	init_rng();
+	printf("%i\n",(int)get_rand16());
+	free_rng();
+	return 0;
+}
diff --git a/orbotservice/src/main/jni/pdnsd/src/test/tping.c b/orbotservice/src/main/jni/pdnsd/src/test/tping.c
new file mode 100644
index 0000000..734a25f
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/test/tping.c
@@ -0,0 +1,59 @@
+#include <config.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <pthread.h>
+#include "../helpers.h"
+#include "../conff.h"
+#include "../icmp.h"
+#include "../ipvers.h"
+
+short int daemon_p=0;
+#if DEBUG>0
+short int debug_p=0;
+#endif
+short int verbosity=VERBOSITY;
+#if defined(ENABLE_IPV4) && defined(ENABLE_IPV6)
+short int run_ipv4=DEFAULT_IPV4;
+#endif
+#ifdef ENABLE_IPV6
+struct in6_addr ipv4_6_prefix;
+#endif
+pthread_t main_thrid,servstat_thrid;
+volatile int signal_interrupt;
+#if DEBUG>0
+FILE *dbg_file;
+#endif
+globparm_t global;
+
+
+int main(int argc, char *argv[])
+{
+	pdnsd_a a;
+
+	if (argc!=2) {
+		printf("Usage: %s <address>\n",argv[0]);
+		exit(1);
+	}
+#ifdef ENABLE_IPV4
+	if (inet_aton(argv[1],&a.ipv4)) {
+# ifdef ENABLE_IPV6
+		run_ipv4=1;
+# endif
+		init_ping_socket();
+		printf("ping (v4) echo from %s: %i\n",argv[1],ping(&a,100,2));
+		return 0;
+	}
+#endif
+#ifdef ENABLE_IPV6
+	if (inet_pton(AF_INET6,argv[1],&a.ipv6)) {
+# ifdef ENABLE_IPV4
+		run_ipv4=0;
+# endif
+		init_ping_socket();
+		printf("ping (v6) echo from %s: %i\n",argv[1],ping(&a,100,2));
+		return 0;
+	}
+#endif
+	printf("Adress invalid.\n");
+	return 0;
+}
diff --git a/orbotservice/src/main/jni/pdnsd/src/thread.c b/orbotservice/src/main/jni/pdnsd/src/thread.c
new file mode 100644
index 0000000..84c34f6
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/thread.c
@@ -0,0 +1,85 @@
+/* thread.c - Threading helpers
+
+   Copyright (C) 2000 Thomas Moestl
+   Copyright (C) 2002, 2003 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <pthread.h>
+#include <signal.h>
+#include <string.h>
+#include "thread.h"
+#include "error.h"
+#include "helpers.h"
+#include "conff.h"
+
+
+#if (TARGET==TARGET_LINUX) && !defined(THREADLIB_NPTL)
+volatile short int waiting=0; /* Has the main thread already done sigwait() ? */
+#endif
+pthread_attr_t attr_detached;
+#if DEBUG>0
+pthread_key_t thrid_key;
+#endif
+
+/* This is a handler for signals to the threads. We just hand the sigs on to the main thread.
+ * Note that this may result in blocked locks. We have no means to open the locks here, because in LinuxThreads
+ * the mutex functions are not async-signal safe. So, locks may still be active. We account for this by using
+ * softlocks (see below) in any functions called after sigwait from main(). */
+#if (TARGET==TARGET_LINUX) && !defined(THREADLIB_NPTL)
+void thread_sig(int sig)
+{
+	if (sig==SIGTSTP || sig==SIGTTOU || sig==SIGTTIN) {
+		/* nonfatal signal. Ignore, because proper handling is very difficult. */
+		return;
+	}
+	if (waiting) {
+		log_warn("Caught signal %i.",sig);
+		if (sig==SIGSEGV || sig==SIGILL || sig==SIGBUS)
+			crash_msg("A fatal signal occured.");
+		pthread_kill(main_thrid,SIGTERM);
+		pthread_exit(NULL);
+	} else {
+		crash_msg("An error occured at startup.");
+		_exit(1);
+	}
+}
+#endif
+
+/* This is now defined as an inline function in thread.h */
+#if 0
+void usleep_r(unsigned long usec)
+{
+#if ((TARGET==TARGET_LINUX) || (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)) && defined(HAVE_USLEEP)
+	usleep(usec);
+#else
+	struct timeval tv;
+
+	tv.tv_sec=usec/1000000;
+	tv.tv_usec=usec%1000000;
+	select(0, NULL, NULL, NULL, tv);
+#endif
+}
+#endif
+
diff --git a/orbotservice/src/main/jni/pdnsd/src/thread.h b/orbotservice/src/main/jni/pdnsd/src/thread.h
new file mode 100644
index 0000000..12d17dd
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/src/thread.h
@@ -0,0 +1,143 @@
+/* thread.h - Threading helpers
+
+   Copyright (C) 2000 Thomas Moestl
+   Copyright (C) 2002, 2003, 2005 Paul A. Rombouts
+
+  This file is part of the pdnsd package.
+
+  pdnsd is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+
+  pdnsd is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with pdnsd; see the file COPYING. If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef _THREAD_H_
+#define _THREAD_H_
+
+#include <config.h>
+#include <pthread.h>
+#include <signal.h>
+
+/* --- from main.c */
+extern sigset_t sigs_msk;
+/* --- */
+
+#if (TARGET==TARGET_LINUX) && !defined(THREADLIB_NPTL)
+extern volatile short int waiting;
+void thread_sig(int sig);
+#endif
+
+/* These are macros for setting up the signal handling of a new thread. They
+ * are needed because the LinuxThreads implementation obviously has some
+ * problems in signal handling, which makes the recommended solution (doing
+ * sigwait() in one thread and blocking the signals in all threads) impossible.
+ * So, for Linux, we have to install the fatal_sig handler.
+ * It seems to me that signal handlers in fact aren't shared between threads
+ * under Linux. Also, sigwait() does not seem to work as indicated in the docs */
+
+/* Note added by Paul Rombouts: In the new Native POSIX Thread Library for Linux (NPTL)
+   signal handling has changed from per-thread signal handling to POSIX process signal handling,
+   which makes the recommended solution mentioned by Thomas Moestl possible.
+   In this case I can simply define THREAD_SIGINIT to be empty.
+   The signals are blocked in main() before any threads are created,
+   and we simply never unblock them except by calling sigwait() in main(). */
+
+#if (TARGET==TARGET_LINUX)
+# ifdef THREADLIB_NPTL
+# define THREAD_SIGINIT
+# else
+#  ifdef THREADLIB_LINUXTHREADS2
+#  define THREAD_SIGINIT   {				\
+	struct sigaction action;			\
+	pthread_sigmask(SIG_UNBLOCK,&sigs_msk,NULL);	\
+	action.sa_handler = thread_sig;			\
+	action.sa_mask = sigs_msk;			\
+	action.sa_flags = 0;				\
+	sigaction(SIGINT,&action,NULL);			\
+	sigaction(SIGILL,&action,NULL);			\
+	sigaction(SIGABRT,&action,NULL);		\
+	sigaction(SIGFPE,&action,NULL);			\
+	sigaction(SIGSEGV,&action,NULL);		\
+	sigaction(SIGTSTP,&action,NULL);		\
+	sigaction(SIGTTOU,&action,NULL);		\
+	sigaction(SIGTTIN,&action,NULL);		\
+	sigaction(SIGTERM,&action,NULL);		\
+	action.sa_handler = SIG_IGN;			\
+	sigemptyset(&action.sa_mask);			\
+	action.sa_flags = 0;				\
+	sigaction(SIGPIPE,&action,NULL);		\
+   }
+#  else
+#  define THREAD_SIGINIT   {				\
+	struct sigaction action;			\
+	pthread_sigmask(SIG_UNBLOCK,&sigs_msk,NULL);	\
+	action.sa_handler = thread_sig;			\
+	action.sa_mask = sigs_msk;			\
+	action.sa_flags = 0;				\
+	sigaction(SIGILL,&action,NULL);			\
+	sigaction(SIGABRT,&action,NULL);		\
+	sigaction(SIGFPE,&action,NULL);			\
+	sigaction(SIGSEGV,&action,NULL);		\
+	sigaction(SIGTSTP,&action,NULL);		\
+	sigaction(SIGTTOU,&action,NULL);		\
+	sigaction(SIGTTIN,&action,NULL);		\
+	action.sa_handler = SIG_IGN;			\
+	sigemptyset(&action.sa_mask);			\
+	action.sa_flags = 0;				\
+	sigaction(SIGPIPE,&action,NULL);		\
+   }
+#  endif
+# endif
+#elif (TARGET==TARGET_BSD) || (TARGET==TARGET_CYGWIN)
+#define THREAD_SIGINIT pthread_sigmask(SIG_BLOCK,&sigs_msk,NULL)
+#else
+# error Unsupported platform!
+#endif
+
+
+/* This is a thread-safe usleep().
+   Implementation of the BSD usleep function using nanosleep.
+*/
+inline static int usleep_r(unsigned long useconds)
+  __attribute__((always_inline));
+inline static int usleep_r(unsigned long useconds)
+{
+  struct timespec ts = { tv_sec: (useconds / 1000000),
+			 tv_nsec: (useconds % 1000000) * 1000ul };
+
+  return nanosleep(&ts, NULL);
+}
+
+/* This is a thread-safe sleep().
+   The semantics are somewhat different from the POSIX sleep function,
+   but it suits our purposes.
+*/
+inline static int sleep_r (unsigned int seconds)
+  __attribute__((always_inline));
+inline static int sleep_r (unsigned int seconds)
+{
+  struct timespec ts = { tv_sec: seconds, tv_nsec: 0 };
+
+  return nanosleep(&ts, NULL);
+}
+
+
+/* Used for creating detached threads */
+extern pthread_attr_t attr_detached;
+
+#if DEBUG>0
+/* Key for storing private thread ID's */
+extern pthread_key_t thrid_key;
+#endif
+
+#endif
diff --git a/orbotservice/src/main/jni/pdnsd/version b/orbotservice/src/main/jni/pdnsd/version
new file mode 100644
index 0000000..c400a37
--- /dev/null
+++ b/orbotservice/src/main/jni/pdnsd/version
@@ -0,0 +1 @@
+1.2.9b-par



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