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authorguy <guy>2004-03-24 00:56:11 +0000
committerguy <guy>2004-03-24 00:56:11 +0000
commit9bf8133f8d24a525b01d0bf581378882e2cd467b (patch)
tree1d4df86bb912e6cb28eacbf43ef77453c3bd52fa /print-igmp.c
parentd3d90f29e50f07c62e58b30016bf169fc96e5b54 (diff)
downloadtcpdump-9bf8133f8d24a525b01d0bf581378882e2cd467b.tar.gz
Add bounds checking.
Diffstat (limited to 'print-igmp.c')
-rw-r--r--print-igmp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/print-igmp.c b/print-igmp.c
index b0f9fc45..a8485629 100644
--- a/print-igmp.c
+++ b/print-igmp.c
@@ -21,7 +21,7 @@
#ifndef lint
static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-igmp.c,v 1.14 2003-11-19 09:42:04 guy Exp $ (LBL)";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-igmp.c,v 1.15 2004-03-24 00:59:16 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@@ -300,6 +300,7 @@ igmp_print(register const u_char *bp, register u_int len)
print_igmpv3_report(bp, len);
break;
case 0x17:
+ TCHECK2(bp[4], 4);
(void)printf("igmp leave %s", ipaddr_string(&bp[4]));
break;
case 0x13: