Greetings,
I was doing a review of my network activity and I noticed that PDNS
Recursor (verified in 3.1.4) ignores the query-local-address option when
performing TCP queries.
I've attached a quick and dirty patch that makes a call to Socket.bind()
in lwres.cc. It isn't the most elegant code, but it's about the limit
of what I can remember how to do in C++ these days. So far it hasn't
caused any trouble on my system (Linux, 2.6.8 kernel), but I haven't
tested it extensively yet.
- Wayne
*** lwres.cc.orig 2006-11-12 16:56:13.000000000 +0000
--- lwres.cc 2006-12-08 20:09:23.761138682 +0000
***************
*** 96,103 ****
--- 96,105 ----
if(ip.sin4.sin_family != AF_INET) // sstuff isn't yet ready for IPv6
return -1;
Socket s(InterNetwork, Stream);
+ IPEndpoint li(::arg()["query-local-address"], 0);
IPEndpoint ie(U32ToIP(ntohl(ip.sin4.sin_addr.s_addr)), 53); // WRONG WRONG WRONG XXX FIXME
s.setNonBlocking();
+ s.bind(li);
s.connect(ie);
uint16_t len=htons(vpacket.size());
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