From: bert hubert <bert.hubert@netherlabs.nl>
Date: Fri, 5 Jun 2015 20:49:14 +0000 (+0200)
Subject: fix up 0.0.0.0 binding with delayed packets
X-Git-Tag: dnsdist-1.0.0-alpha1~248^2~78^2~19^2~9
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=68f3eb4de80fc7c5c4e36df67dc5906057b16abf;p=pdns

fix up 0.0.0.0 binding with delayed packets
---

diff --git a/pdns/dnsdist.cc b/pdns/dnsdist.cc
index 8fb6d84d1..c73620f2e 100644
--- a/pdns/dnsdist.cc
+++ b/pdns/dnsdist.cc
@@ -123,9 +123,13 @@ struct DelayedPacket
   int fd;
   string packet;
   ComboAddress destination;
+  ComboAddress origDest;
   void operator()()
   {
-    sendto(fd, packet.c_str(), packet.size(), 0, (struct sockaddr*)&destination, destination.getSocklen());
+    if(origDest.sin4.sin_family == 0)
+      sendto(fd, packet.c_str(), packet.size(), 0, (struct sockaddr*)&destination, destination.getSocklen());
+    else
+      sendfromto(fd, packet.c_str(), packet.size(), 0, origDest, destination);
   }
 };
 
@@ -160,7 +164,7 @@ void* responderThread(std::shared_ptr<DownstreamState> state)
     g_stats.responses++;
 
     if(ids->delayMsec) {
-      DelayedPacket dp{ids->origFD, string(packet,len), ids->origRemote};
+      DelayedPacket dp{ids->origFD, string(packet,len), ids->origRemote, ids->origDest};
       g_delay.submit(dp, ids->delayMsec);
     }
     else {