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Do debug print when truncating DNS packets
author
Tom Kistner
<tom@duncanthrax.net>
Wed, 29 Apr 2009 19:58:00 +0000
(19:58 +0000)
committer
Tom Kistner
<tom@duncanthrax.net>
Wed, 29 Apr 2009 19:58:00 +0000
(19:58 +0000)
src/src/dns.c
patch
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diff --git
a/src/src/dns.c
b/src/src/dns.c
index 0b1d59d2006f709988fc064201657369e2874a16..c4115ec518a211450bb93d8cc8bb7487cef31882 100644
(file)
--- a/
src/src/dns.c
+++ b/
src/src/dns.c
@@
-1,4
+1,4
@@
-/* $Cambridge: exim/src/src/dns.c,v 1.17
2007/01/08 10:50:18 ph10
Exp $ */
+/* $Cambridge: exim/src/src/dns.c,v 1.17
.2.1 2009/04/29 19:58:00 tom
Exp $ */
/*************************************************
* Exim - an Internet mail transport agent *
/*************************************************
* Exim - an Internet mail transport agent *
@@
-562,7
+562,12
@@
if (running_in_test_harness)
else
dnsa->answerlen = res_search(CS name, C_IN, type, dnsa->answer, MAXPACKET);
else
dnsa->answerlen = res_search(CS name, C_IN, type, dnsa->answer, MAXPACKET);
-if (dnsa->answerlen > MAXPACKET) dnsa->answerlen = MAXPACKET;
+if (dnsa->answerlen > MAXPACKET)
+ {
+ DEBUG(D_dns) debug_printf("DNS lookup of %s (%s) resulted in overlong packet (size %d), truncating to %d.\n",
+ name, dns_text_type(type), dnsa->answerlen, MAXPACKET);
+ dnsa->answerlen = MAXPACKET;
+ }
if (dnsa->answerlen < 0) switch (h_errno)
{
if (dnsa->answerlen < 0) switch (h_errno)
{