------------------------------------------------------------
revno: 9151
revision-id: squid3@treenet.co.nz-20100116035151-y4bx46qpg26jieae
parent: squidadm@squid-cache.org-20100109033727-hfve00pjf2sk2u9o
committer: Amos Jeffries <squid3@treenet.co.nz>
branch nick: SQUID_3_0
timestamp: Sat 2010-01-16 16:51:51 +1300
message:
  Handle DNS header-only packets as invalid.
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# Bazaar merge directive format 2 (Bazaar 0.90)
# revision_id: squid3@treenet.co.nz-20100116035151-y4bx46qpg26jieae
# target_branch: http://www.squid-cache.org/bzr/squid3/branches\
#   /SQUID_3_0/
# testament_sha1: 792971de9c15c8180b33b55e862325f52ba1a244
# timestamp: 2010-01-16 03:57:46 +0000
# source_branch: http://www.squid-cache.org/bzr/squid3/branches\
#   /SQUID_3_0
# base_revision_id: squidadm@squid-cache.org-20100109033727-\
#   hfve00pjf2sk2u9o
# 
# Begin patch
=== modified file 'lib/rfc1035.c'
--- lib/rfc1035.c	2007-12-06 09:37:15 +0000
+++ lib/rfc1035.c	2010-01-16 03:51:51 +0000
@@ -288,6 +288,10 @@
     assert(ns > 0);
     do {
 	assert((*off) < sz);
+        if ((*off) >= sz) {
+            RFC1035_UNPACK_DEBUG;
+            return 1;
+        }
 	c = *(buf + (*off));
 	if (c > 191) {
             /* blasted compression */