[tor-commits] [flashproxy/master] Add -4 and -6 options to flashproxy-reg-appspot.

[dcf@xxxxxxxxxxxxxx]

commit 98c687ba76d20df884d76de7d7d08edfc824182d
Author: David Fifield <david@xxxxxxxxxxxxxxx>
Date:   Sat May 18 23:01:00 2013 -0700

    Add -4 and -6 options to flashproxy-reg-appspot.
---
 flashproxy-reg-appspot |   17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/flashproxy-reg-appspot b/flashproxy-reg-appspot
index 88d192d..a38f86a 100755
--- a/flashproxy-reg-appspot
+++ b/flashproxy-reg-appspot
@@ -42,6 +42,7 @@ def get_external_ip():
     return ip
 
 class options(object):
+    address_family = socket.AF_UNSPEC
     facilitator_pubkey_filename = None
 
 def usage(f = sys.stdout):
@@ -51,6 +52,8 @@ Register with a flash proxy facilitator through a Google App Engine app.
 By default the remote address registered is "%(remote_addr)s" (the
 external IP address is guessed).
 
+  -4                     name lookups use only IPv4.
+  -6                     name lookups use only IPv6.
       --facilitator-pubkey=FILENAME
                          encrypt registrations to the given PEM-formatted
                            public key (default built-in).
@@ -110,9 +113,13 @@ def format_addr(addr):
         result += u":%d" % port
     return result
 
-opt, args = getopt.gnu_getopt(sys.argv[1:], "h", ["facilitator-pubkey=", "help"])
+opt, args = getopt.gnu_getopt(sys.argv[1:], "46h", ["facilitator-pubkey=", "help"])
 for o, a in opt:
-    if o == "--facilitator-pubkey":
+    if o == "-4":
+        options.address_family = socket.AF_INET
+    elif o == "-6":
+        options.address_family = socket.AF_INET6
+    elif o == "--facilitator-pubkey":
         options.facilitator_pubkey_filename = a
     elif o == "-h" or o == "--help":
         usage()
@@ -126,6 +133,12 @@ else:
     usage(sys.stderr)
     sys.exit(1)
 
+if options.address_family != socket.AF_UNSPEC:
+    getaddrinfo = socket.getaddrinfo
+    def getaddrinfo_replacement(host, port, family, *args, **kwargs):
+        return getaddrinfo(host, port, options.address_family, *args, **kwargs)
+    socket.getaddrinfo = getaddrinfo_replacement
+
 if not remote_addr[0]:
     spec = get_external_ip()
     remote_addr = parse_addr_spec(spec, *remote_addr)



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