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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 = ¬hing;
- nothing_ptr.iov_len = 1;
- msghdr.msg_name = NULL;
- msghdr.msg_namelen = 0;
- msghdr.msg_iov = ¬hing_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 = ¬hing;
- nothing_ptr.iov_len = 1;
- msghdr.msg_name = NULL;
- msghdr.msg_namelen = 0;
- msghdr.msg_iov = ¬hing_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
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-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.
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-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.
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-gratis or for a fee, you must pass on to the recipients the same
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- Developers that use the GNU GPL protect your rights with two steps:
-(1) assert copyright on the software, and (2) offer you this License
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-The hypothetical commands `show w' and `show c' should show the appropriate
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-might be different; for a GUI interface, you would use an "about box".
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-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<http://www.gnu.org/licenses/>.
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- The GNU General Public License does not permit incorporating your program
-into proprietary programs. If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
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-Public License instead of this License. But first, please read
-<http://www.gnu.org/philosophy/why-not-lgpl.html>.
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,
-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/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
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diff --git a/app/src/main/jni/pdnsd/Makefile.in b/app/src/main/jni/pdnsd/Makefile.in
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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
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+++ /dev/null
@@ -1,1021 +0,0 @@
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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 $?
- ;;
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-cfile=
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-
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- eat=1
- case $2 in
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- ofile=$2
- ;;
- *)
- set x "$@" -o "$2"
- shift
- ;;
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- ;;
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- cfile=$1
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- set x "$@" "$1"
- shift
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- shift
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-
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- # normal compilation that the losing compiler can handle. If no
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-
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-lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
-while true; do
- if mkdir "$lockdir" >/dev/null 2>&1; then
- break
- fi
- sleep 1
-done
-# FIXME: race condition here if user kills between mkdir and trap.
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-
-# Run the compile.
-"$@"
-ret=$?
-
-if test -f "$cofile"; then
- mv "$cofile" "$ofile"
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-fi
-
-rmdir "$lockdir"
-exit $ret
-
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-# time-stamp-format: "%:y-%02m-%02d.%02H"
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-# 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=:
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-{ $as_echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
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- ac_count=`expr $ac_count + 1`
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- $ac_path_GREP_found && break 3
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- ac_cv_path_GREP=$GREP
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-
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
- GREP="$ac_cv_path_GREP"
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-
-{ $as_echo "$as_me:$LINENO: checking for egrep" >&5
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
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-{ $as_echo "$as_me:$LINENO: checking for ANSI C header files" >&5
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-int
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-{
-
- ;
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
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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: $ac_cv_header_minix_config_h" >&5
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-
-cat >>confdefs.h <<\_ACEOF
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-
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-_ACEOF
-cat confdefs.h >>conftest.$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
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-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.
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-
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- break
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-
- cd ..
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-fi
-
-fi
-{ $as_echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5
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-
- if
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- && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
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- am__fastdepCC_FALSE='#'
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- am__fastdepCC_TRUE='#'
- am__fastdepCC_FALSE=
-fi
-
-
-
-am_cv_prog_cc_stdc=$ac_cv_prog_cc_stdc
-
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- { $as_echo "$as_me:$LINENO: checking whether cc understands -c and -o together" >&5
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-set dummy $CC; ac_cc=`$as_echo "$2" |
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-if { as_var=ac_cv_prog_cc_${ac_cc}_c_o; eval "test \"\${$as_var+set}\" = set"; }; then
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-_ACEOF
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-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-int
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-{
-
- ;
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-_ACEOF
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-ac_try='$CC -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
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- ac_status=$?
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-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
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- ac_status=$?
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_try='cc -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
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- if { (case "(($ac_try" in
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-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
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- ac_status=$?
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- fi
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- eval ac_cv_prog_cc_${ac_cc}_c_o=no
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-
-fi
-if eval test \$ac_cv_prog_cc_${ac_cc}_c_o = yes; then
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- { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
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-_ACEOF
-
-fi
-
-# FIXME: we rely on the cache variable name because
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-eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
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- # Losing compiler, so override with the script.
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- CC="$am_aux_dir/compile $CC"
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-
-
-# Find a good install program. We prefer a C program (faster),
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-# SunOS /usr/etc/install
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-{ $as_echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
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- /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.
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- 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$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
- test -s conftest.one && test -s conftest.two &&
- test -s conftest.dir/conftest.one &&
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- then
- ac_cv_path_install="$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=$ac_cv_path_install
- else
- # As a last resort, use the slow shell script. Don't cache a
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- # break other packages using the cache if that directory is
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- INSTALL=$ac_install_sh
- fi
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-{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5
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-
-# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
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-
-test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
-
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-
-
-if test -n "$ac_tool_prefix"; then
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-else
- if test -n "$RANLIB"; then
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- ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
- $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
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-IFS=$as_save_IFS
-
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-RANLIB=$ac_cv_prog_RANLIB
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- { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_RANLIB"; then
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-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
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-if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
- $as_echo_n "(cached) " >&6
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- if test -n "$ac_ct_RANLIB"; then
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-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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- $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
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-IFS=$as_save_IFS
-
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-fi
-ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
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- { $as_echo "$as_me:$LINENO: result: no" >&5
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-
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-yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
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-esac
- RANLIB=$ac_ct_RANLIB
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- RANLIB="$ac_cv_prog_RANLIB"
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-
-
-if test "$target" = "autodetect" ; then
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- uname_sys=`uname`
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- { $as_echo "$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
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- { $as_echo "$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
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- cat >>confdefs.h <<\_ACEOF
-#define TARGET TARGET_BSD
-_ACEOF
-
- target="BSD"
- ;;
- CYGWIN*)
- { $as_echo "$as_me:$LINENO: result: \"${uname_sys}\"" >&5
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- 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:$LINENO: error: Your system type could not be identified. Try setting it manually using
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- esac
- fi
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-
-#if test "$target" = BSD ; then
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-# osrel=`sysctl -n kern.osreldate`
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-# else
-# AC_MSG_RESULT([<=5.0 (< 500016)])
-# freebsd_pthread="4"
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-# fi
-#fi
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-if test "$adisc" = "default"; then
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- adisc="yes"
- fi
-fi
-
-test "$adisc" = "yes" && cat >>confdefs.h <<\_ACEOF
-#define SRC_ADDR_DISC 1
-_ACEOF
-
-
-
-if test "$target" = "Linux"; then
-{ $as_echo "$as_me:$LINENO: checking if we can compile and link with -pthread" >&5
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-
-#include <pthread.h>
-
-void *thread_func(void *data)
-{
- *((int *)data)=1;
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-
-int main()
-{
- pthread_t thread;
- void *retval;
- int val;
-
- if(pthread_create(&thread, NULL, thread_func, &val))
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-
- if(pthread_join(thread,&retval))
- return 1;
-
- return (*((int *)retval)!=1);
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-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
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- $as_echo "$as_me: failed program was:" >&5
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- gcc_pthread_flag="no"
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-{ $as_echo "$as_me:$LINENO: result: $gcc_pthread_flag" >&5
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-
- if test "$gcc_pthread_flag" = yes ; then
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-
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-
-{ $as_echo "$as_me:$LINENO: checking for pthread_create in -lpthread" >&5
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- ac_check_lib_save_LIBS=$LIBS
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-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
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-{
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-
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-
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-{ $as_echo "$as_me:$LINENO: checking if this is an NPTL-based system" >&5
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-{
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-{
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-int
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-{
-
- ;
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-_ACEOF
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-{
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
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-{
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_sys_wait_h" >&5
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-
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-{ $as_echo "$as_me:$LINENO: checking for socklen_t" >&5
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-rm -f conftest.$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
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-
-
-# 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: $ac_unrecognized_opts" >&2;}
-fi
-
diff --git a/app/src/main/jni/pdnsd/configure.in b/app/src/main/jni/pdnsd/configure.in
deleted file mode 100644
index 473abf1..0000000
--- a/app/src/main/jni/pdnsd/configure.in
+++ /dev/null
@@ -1,548 +0,0 @@
-dnl Process this file with autoconf to produce a configure script.
-AC_INIT(src)
-
-package="pdnsd"
-version=`cut -d - -f 1 "$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).
- 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/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
--- a/app/src/main/jni/pdnsd/contrib/Makefile.in
+++ /dev/null
@@ -1,323 +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 = contrib
-DIST_COMMON = README $(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) \
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-mkinstalldirs = $(install_sh) -d
-CONFIG_HEADER = $(top_builddir)/config.h
-CONFIG_CLEAN_FILES =
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-CCDEPMODE = @CCDEPMODE@
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-CPP = @CPP@
-CPPFLAGS = @CPPFLAGS@
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-ECHO_C = @ECHO_C@
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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="$stripped.o"
- # Each line is of the form `foo.o: dependent.h'.
- # Do two passes, one to just change these to
- # `$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/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
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- # $@ 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 $src in
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- esac
-
- if test -n "$dir_arg"; then
- dst=$src
- src=
-
- if test -d "$dst"; then
- mkdircmd=:
- chmodcmd=
- else
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- fi
- else
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- # 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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-
-
-$(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 = ¢->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,¢);
- 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
--- a/app/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.am
+++ /dev/null
@@ -1,18 +0,0 @@
-
-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/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
--- a/app/src/main/jni/pdnsd/src/pdnsd-ctl/Makefile.in
+++ /dev/null
@@ -1,470 +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@
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-am__aclocal_m4_deps = $(top_srcdir)/configure.in
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-CONFIG_CLEAN_FILES =
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-CCLD = $(CC)
-LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
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-pdnsd_ctl_LDADD = rr_types.o
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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/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@
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-CFLAGS = @CFLAGS@
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-CPPFLAGS = @CPPFLAGS@
-CYGPATH_W = @CYGPATH_W@
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-DEPDIR = @DEPDIR@
-ECHO_C = @ECHO_C@
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-EGREP = @EGREP@
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-LDFLAGS = @LDFLAGS@
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-all: all-am
-
-.SUFFIXES:
-$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(am__configure_deps)
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- $(am__cd) $(top_srcdir) && \
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-.PRECIOUS: Makefile
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- fi
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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
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+++ /dev/null
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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 @@
-#!/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 \
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- || echo -n " failed"
- echo "."
- ;;
-
- stop)
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- || 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/app/src/main/jni/pdnsd/src/rc/Makefile.am b/app/src/main/jni/pdnsd/src/rc/Makefile.am
deleted file mode 100644
index abf2e6d..0000000
--- a/app/src/main/jni/pdnsd/src/rc/Makefile.am
+++ /dev/null
@@ -1,5 +0,0 @@
-
-SUBDIRS = RedHat SuSE Debian Slackware ArchLinux
-
-EXTRA_DIST = README
-
diff --git a/app/src/main/jni/pdnsd/src/rc/Makefile.in b/app/src/main/jni/pdnsd/src/rc/Makefile.in
deleted file mode 100644
index 38ee297..0000000
--- a/app/src/main/jni/pdnsd/src/rc/Makefile.in
+++ /dev/null
@@ -1,526 +0,0 @@
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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 @@
-# 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@
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-pkglibexecdir = $(libexecdir)/@PACKAGE@
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-install_sh_DATA = $(install_sh) -c -m 644
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-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-subdir = src/rc/RedHat
-DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
- $(srcdir)/pdnsd.in
-ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
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-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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-mkinstalldirs = $(install_sh) -d
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-CONFIG_CLEAN_FILES = pdnsd
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-all: all-am
-
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-.PRECIOUS: Makefile
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- $(mkinstalldirs) "$(DESTDIR)/etc/rc.d/init.d"; \
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- if [ "$(specbuild)" = "no" ] ; then \
- /sbin/chkconfig --add pdnsd; \
- fi \
- fi
-
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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@
-pkgincludedir = $(includedir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
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-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
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-mkinstalldirs = $(install_sh) -d
-CONFIG_HEADER = $(top_builddir)/config.h
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diff --git a/app/src/main/jni/pdnsd/src/rc/Slackware/rc.pdnsd.in b/app/src/main/jni/pdnsd/src/rc/Slackware/rc.pdnsd.in
deleted file mode 100644
index 6e96971..0000000
--- a/app/src/main/jni/pdnsd/src/rc/Slackware/rc.pdnsd.in
+++ /dev/null
@@ -1,74 +0,0 @@
-#!/bin/bash
-#
-# /etc/rc.d/rc.pdnsd
-#
-# Starts the Proxy DNS Daemon
-#
-# description: Proxy DNS Daemon
-# processname: pdnsd
-# config: /etc/pdnsd.conf
-# distribution: Slackware
-# author: Nikola Kotur <kotnik@xxxxxxxxxxxx>
-#
-# Additional info:
-# 1) put these lines in the /etc/rc.d/rc.M:
-# if [ -x /etc/rc.d/rc.pdnsd ]; then
-# /etc/rc.d/rc.pdnsd start
-# fi
-#
-# 2) put these lines in the /etc/rc.d/rc.6 and /etc/rc.d/rc.K:
-# if [ -x /etc/rc.d/rc.pdnsd ]; then
-# /etc/rc.d/rc.pdnsd stop
-# fi
-
-
-test -x @prefix@/sbin/pdnsd || exit 0
-[ -f @sysconfdir@/pdnsd.conf ] || exit 1
-
-RETVAL=0
-
-start() {
- echo -n "Starting pdnsd... "
- RETVAL=$?
- @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 $RETVAL
diff --git a/app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.am b/app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.am
deleted file mode 100644
index dc5f485..0000000
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+++ /dev/null
@@ -1,22 +0,0 @@
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- echo -e "\n\n#\n# Set to yes to start pdnsd at boot time\n#\nSTART_PDNSD=yes" >> /etc/rc.config ; \
- fi \
- fi
-
-
-
diff --git a/app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.in b/app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.in
deleted file mode 100644
index df1660f..0000000
--- a/app/src/main/jni/pdnsd/src/rc/SuSE/Makefile.in
+++ /dev/null
@@ -1,345 +0,0 @@
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- grep "START_PDNSD" "$(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(¢, 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(¢,tp,ttl,0,CF_LOCAL,sz,adrp DBG1)) {
- free_cent(¢ DBG1);
- free(adrbuf);
- goto out_of_memory;
- }
- }
- free(adrbuf);
- }
- else if (!add_cent_rr(¢,tp,ttl,0,CF_LOCAL,sz,dbuf DBG1)) {
- free_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(¢.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(¢);
- print_succ(rs);
- cleanup_cent:
- free_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(¢, name, ttl, 0, DF_LOCAL|DF_NEGATIVE DBG1))
- goto out_of_memory;
- } else {
- if (!init_cent(¢, name, 0, 0, 0 DBG1))
- goto out_of_memory;
- if (!add_cent_rrset_by_type(¢,tp,ttl,0,CF_LOCAL|CF_NEGATIVE DBG1)) {
- free_cent(¢ DBG1);
- goto out_of_memory;
- }
- }
- add_cache(¢);
- free_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)
-
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-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 @@
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-# 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
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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
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@@ -1,36 +0,0 @@
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-#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 = ¬hing;
+ nothing_ptr.iov_len = 1;
+ msghdr.msg_name = NULL;
+ msghdr.msg_namelen = 0;
+ msghdr.msg_iov = ¬hing_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 = ¬hing;
+ nothing_ptr.iov_len = 1;
+ msghdr.msg_name = NULL;
+ msghdr.msg_namelen = 0;
+ msghdr.msg_iov = ¬hing_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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+
+ 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
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+ The precise terms and conditions for copying, distribution and
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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.
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+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
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+
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+
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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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+# This file is free software; the Free Software Foundation
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+# Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
+#
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+# with or without modifications, as long as this notice is preserved.
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+# 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)
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+
+# AM_MISSING_HAS_RUN
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+ am_missing_run=
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+# 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
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+AC_DEFUN([AM_PROG_MKDIR_P],
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+dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
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+dnl MKDIR_P).
+AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
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+ */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
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+])
+
+# 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],
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+# -------------------------------------------
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+AC_DEFUN([_AM_IF_OPTION],
+[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
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+# Check to make sure that the build environment is sane. -*- Autoconf -*-
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+# 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
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+# AM_SANITY_CHECK
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+ AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
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+
+# Do `set' in a subshell so we don't clobber the current shell's
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+# 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
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+ AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
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+ fi
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+ test "$[2]" = conftest.file
+ )
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+ # 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
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+# 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
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+AC_DEFUN([AM_PROG_INSTALL_STRIP],
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+# 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
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+dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
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+ 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.
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+# AM_SUBST_NOTMAKE(VARIABLE)
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+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.
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+ [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.
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+ for _am_tar in tar gnutar gtar;
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+ done
+ am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
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+ am__untar="$_am_tar -xf -"
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+ am__tar_='tar chf - "$tardir"'
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+ am__tar_='pax -L -x $1 -w "$tardir"'
+ am__untar='pax -r'
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+]) # _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 $as_have_required = yes && (eval ":
+(as_func_return () {
+ (exit \$1)
+}
+as_func_success () {
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+}
+as_func_failure () {
+ as_func_return 1
+}
+as_func_ret_success () {
+ return 0
+}
+as_func_ret_failure () {
+ return 1
+}
+
+exitcode=0
+if as_func_success; then
+ :
+else
+ exitcode=1
+ echo as_func_success failed.
+fi
+
+if as_func_failure; then
+ exitcode=1
+ echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+ :
+else
+ exitcode=1
+ echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+ exitcode=1
+ echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+ :
+else
+ exitcode=1
+ echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0) || { (exit 1); exit 1; }
+
+(
+ as_lineno_1=\$LINENO
+ as_lineno_2=\$LINENO
+ test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
+ test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
+") 2> /dev/null; then
+ :
+else
+ as_candidate_shells=
+ as_save_IFS=$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=${CONFIG_SHELL-/bin/sh}
+
+# Identity of this package.
+PACKAGE_NAME=
+PACKAGE_TARNAME=
+PACKAGE_VERSION=
+PACKAGE_STRING=
+PACKAGE_BUGREPORT=
+
+ac_unique_file="src"
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_STRING_H
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+ eval enable_$ac_useropt=\$ac_optarg ;;
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+ -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
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+ exec_prefix=$ac_optarg ;;
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+ -gas | --gas | --ga | --g)
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+ -host | --host | --hos | --ho)
+ ac_prev=host_alias ;;
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+ host_alias=$ac_optarg ;;
+
+ -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
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+ -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
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+
+ -includedir | --includedir | --includedi | --included | --include \
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+ includedir=$ac_optarg ;;
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+ -infodir | --infodir | --infodi | --infod | --info | --inf)
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+ libdir=$ac_optarg ;;
+
+ -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
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+ -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
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+ libexecdir=$ac_optarg ;;
+
+ -localedir | --localedir | --localedi | --localed | --locale)
+ ac_prev=localedir ;;
+ -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
+ localedir=$ac_optarg ;;
+
+ -localstatedir | --localstatedir | --localstatedi | --localstated \
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+ ac_prev=localstatedir ;;
+ -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
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+ localstatedir=$ac_optarg ;;
+
+ -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
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+ -nfp | --nfp | --nf)
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+ -no-create | --no-create | --no-creat | --no-crea | --no-cre \
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+
+ -no-recursion | --no-recursion | --no-recursio | --no-recursi \
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+
+ -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
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+ oldincludedir=$ac_optarg ;;
+
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+ sysconfdir=$ac_optarg ;;
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+ target_alias=$ac_optarg ;;
+
+ -v | -verbose | --verbose | --verbos | --verbo | --verb)
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+ -version | --version | --versio | --versi | --vers | -V)
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+ 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'`
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+ { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
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+for ac_var in $ac_precious_vars; do
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+#
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+ # 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.
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+\`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 \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
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+ --sbindir=DIR system admin executables [EPREFIX/sbin]
+ --libexecdir=DIR program executables [EPREFIX/libexec]
+ --sysconfdir=DIR read-only single-machine data [PREFIX/etc]
+ --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com]
+ --localstatedir=DIR modifiable single-machine data [PREFIX/var]
+ --libdir=DIR object code libraries [EPREFIX/lib]
+ --includedir=DIR C header files [PREFIX/include]
+ --oldincludedir=DIR C header files for non-gcc [/usr/include]
+ --datarootdir=DIR read-only arch.-independent data root [PREFIX/share]
+ --datadir=DIR read-only architecture-independent data [DATAROOTDIR]
+ --infodir=DIR info documentation [DATAROOTDIR/info]
+ --localedir=DIR locale-dependent data [DATAROOTDIR/locale]
+ --mandir=DIR man documentation [DATAROOTDIR/man]
+ --docdir=DIR documentation root [DATAROOTDIR/doc/PACKAGE]
+ --htmldir=DIR html documentation [DOCDIR]
+ --dvidir=DIR dvi documentation [DOCDIR]
+ --pdfdir=DIR pdf documentation [DOCDIR]
+ --psdir=DIR ps documentation [DOCDIR]
+_ACEOF
+
+ cat <<\_ACEOF
+
+Program names:
+ --program-prefix=PREFIX prepend PREFIX to installed program names
+ --program-suffix=SUFFIX append SUFFIX to installed program names
+ --program-transform-name=PROGRAM run sed PROGRAM on installed program names
+_ACEOF
+fi
+
+if test -n "$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 "$ac_dir"; } ||
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+ ac_builddir=.
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+case "$ac_dir" in
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+*)
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+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
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+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
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+ cd "$ac_dir" || { ac_status=$?; continue; }
+ # Check for guested configure.
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+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
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+ $ $0 $@
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+## --------- ##
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+cat >&5 <<_ACEOF
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+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
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+_ACEOF
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+
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+$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@
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+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
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+EXTRA_DIST = pdnsd_dhcp.pl dhcp2pdnsd change_pdnsd_server_ip.pl README
+all: all-am
+
+.SUFFIXES:
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+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$dep*) \
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+ $(AUTOMAKE) --gnu contrib/Makefile
+.PRECIOUS: Makefile
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+ *config.status*) \
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+ 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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+ @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
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+ -rm -f Makefile
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+
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+
+maintainer-clean: maintainer-clean-am
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
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+
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+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
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+.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 @@
+# 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 = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+sbin_PROGRAMS = pdnsd$(EXEEXT)
+subdir = src
+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 = $(sbin_PROGRAMS)
+am_pdnsd_OBJECTS = pdnsd-conf-parser.$(OBJEXT) pdnsd-conff.$(OBJEXT) \
+ pdnsd-consts.$(OBJEXT) pdnsd-debug.$(OBJEXT) \
+ pdnsd-dns.$(OBJEXT) pdnsd-dns_answer.$(OBJEXT) \
+ pdnsd-dns_query.$(OBJEXT) pdnsd-error.$(OBJEXT) \
+ pdnsd-helpers.$(OBJEXT) pdnsd-icmp.$(OBJEXT) \
+ pdnsd-list.$(OBJEXT) pdnsd-main.$(OBJEXT) \
+ pdnsd-netdev.$(OBJEXT) pdnsd-rr_types.$(OBJEXT) \
+ pdnsd-status.$(OBJEXT) pdnsd-servers.$(OBJEXT) \
+ pdnsd-thread.$(OBJEXT) pdnsd-cache.$(OBJEXT) \
+ pdnsd-hash.$(OBJEXT)
+pdnsd_OBJECTS = $(am_pdnsd_OBJECTS)
+pdnsd_LDADD = $(LDADD)
+pdnsd_LINK = $(CCLD) $(pdnsd_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+ $(LDFLAGS) -o $@
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(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_SOURCES)
+DIST_SOURCES = $(pdnsd_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
+ETAGS = etags
+CTAGS = ctags
+DIST_SUBDIRS = $(SUBDIRS)
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+am__relativize = \
+ dir0=`pwd`; \
+ sed_first='s,^\([^/]*\)/.*$$,\1,'; \
+ sed_rest='s,^[^/]*/*,,'; \
+ 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"; \
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+threadlib = @threadlib@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+pdnsd_CFLAGS = -DCONFDIR='"$(sysconfdir)"' $(thread_CFLAGS)
+pdnsd_SOURCES = conf-parser.c conff.c consts.c debug.c dns.c dns_answer.c \
+ dns_query.c error.c helpers.c icmp.c list.c main.c netdev.c rr_types.c \
+ status.c servers.c thread.c cache.c hash.c conf-parser.h \
+ conf-keywords.h conff.h consts.h debug.h dns.h dns_answer.h \
+ dns_query.h error.h helpers.h icmp.h ipvers.h list.h netdev.h \
+ rr_types.h servers.h status.h thread.h cache.h hash.h pdnsd_assert.h \
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+
+$(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 = ¢->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,¢);
+ 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
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+pdnsd_ctl_LDADD = rr_types.o
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+
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+ -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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+
+
+# 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@
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+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
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+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = src/rc/ArchLinux
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+ $(srcdir)/pdnsd.in
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+ exit 1;; \
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+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --gnu src/rc/ArchLinux/Makefile
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+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
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+ 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 @@
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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.
+
+# This program is distributed in the hope that it will be useful,
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+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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+
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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 @@
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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 @@
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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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+ $(mkinstalldirs) "$(DESTDIR)/etc/rc.d/init.d"; \
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+ 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
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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/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@
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+am__leading_dot = @am__leading_dot@
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+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
+
+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:
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+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
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+install-ps: install-ps-am
+
+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
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+mostlyclean: mostlyclean-am
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+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
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+pdf-am:
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+ps: ps-am
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+ps-am:
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+uninstall-am:
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+.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 \
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+ 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 \
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+
+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="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+subdir = src/rc/SuSE
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+ $(srcdir)/pdnsd.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES = pdnsd
+CONFIG_CLEAN_VPATH_FILES =
+SOURCES =
+DIST_SOURCES =
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
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+sharedstatedir = @sharedstatedir@
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+thread_CFLAGS = @thread_CFLAGS@
+threadlib = @threadlib@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(am__configure_deps)
+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$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
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+
+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 $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+ -rm -f Makefile
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+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
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+
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+
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+
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+
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+
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+
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+ -rm -f Makefile
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+
+pdf: pdf-am
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+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic distclean \
+ distclean-generic distdir dvi dvi-am html html-am info info-am \
+ install install-am install-data install-data-am install-dvi \
+ install-dvi-am install-exec install-exec-am install-exec-local \
+ install-html install-html-am install-info install-info-am \
+ install-man install-pdf install-pdf-am install-ps \
+ install-ps-am install-strip installcheck installcheck-am \
+ installdirs maintainer-clean maintainer-clean-generic \
+ mostlyclean mostlyclean-generic pdf pdf-am ps ps-am uninstall \
+ uninstall-am
+
+
+install-exec-local:
+ if [ "$(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(¢, 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(¢,tp,ttl,0,CF_LOCAL,sz,adrp DBG1)) {
+ free_cent(¢ DBG1);
+ free(adrbuf);
+ goto out_of_memory;
+ }
+ }
+ free(adrbuf);
+ }
+ else if (!add_cent_rr(¢,tp,ttl,0,CF_LOCAL,sz,dbuf DBG1)) {
+ free_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(¢.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(¢);
+ print_succ(rs);
+ cleanup_cent:
+ free_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(¢, name, ttl, 0, DF_LOCAL|DF_NEGATIVE DBG1))
+ goto out_of_memory;
+ } else {
+ if (!init_cent(¢, name, 0, 0, 0 DBG1))
+ goto out_of_memory;
+ if (!add_cent_rrset_by_type(¢,tp,ttl,0,CF_LOCAL|CF_NEGATIVE DBG1)) {
+ free_cent(¢ DBG1);
+ goto out_of_memory;
+ }
+ }
+ add_cache(¢);
+ free_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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