akr	2009-10-09 21:17:38 +0900 (Fri, 09 Oct 2009)

  New Revision: 25273

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=25273

  Log:
    * lib/resolv.rb (Resolv::DNS::Requester::ConnectedUDP): disable
      reverse lookup.
      (Resolv::DNS::Requester::UnconnectedUDP): ditto.

  Modified files:
    trunk/ChangeLog
    trunk/lib/resolv.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 25272)
+++ ChangeLog	(revision 25273)
@@ -1,3 +1,9 @@
+Fri Oct  9 21:14:40 2009  Tanaka Akira  <akr@f...>
+
+	* lib/resolv.rb (Resolv::DNS::Requester::ConnectedUDP): disable
+	  reverse lookup.
+	  (Resolv::DNS::Requester::UnconnectedUDP): ditto.
+
 Fri Oct  9 10:12:13 2009  NARUSE, Yui  <naruse@r...>
 
 	* lib/irb/context.rb (IRB::Context#initialize):
Index: lib/resolv.rb
===================================================================
--- lib/resolv.rb	(revision 25272)
+++ lib/resolv.rb	(revision 25273)
@@ -655,6 +655,7 @@
         def initialize
           super()
           @sock = UDPSocket.new
+          @sock.do_not_reverse_lookup = true
           @sock.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC) if defined? Fcntl::F_SETFD
           DNS.bind_random_port(@sock)
         end
@@ -701,9 +702,10 @@
           @port = port
           is_ipv6 = host.index(':')
           @sock = UDPSocket.new(is_ipv6 ? Socket::AF_INET6 : Socket::AF_INET)
+          @sock.do_not_reverse_lookup = true
+          @sock.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC) if defined? Fcntl::F_SETFD
           DNS.bind_random_port(@sock, is_ipv6)
           @sock.connect(host, port)
-          @sock.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC) if defined? Fcntl::F_SETFD
         end
 
         def recv_reply

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