diff options
| author |   ho <ho@openbsd.org> | 2004-01-15 22:59:42 +0000 |
|---|---|---|
| committer | ho <ho@openbsd.org> | 2004-01-15 22:59:42 +0000 |
| commit | 8ed8b86d3dc138604ec342d38fc17e1250b0a714 (patch) | |
| tree | ea09c16c5d50b3357e05dda7714df2259f6b471b | |
| parent | regression for pthread version of closefrom (diff) | |
| download | wireguard-openbsd-8ed8b86d3dc138604ec342d38fc17e1250b0a714.tar.xz wireguard-openbsd-8ed8b86d3dc138604ec342d38fc17e1250b0a714.zip | |
Input should be atleast an isakmp_header long. otto@, markus@ ok.
| -rw-r--r-- | usr.sbin/tcpdump/print-ike.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/usr.sbin/tcpdump/print-ike.c b/usr.sbin/tcpdump/print-ike.c index bad2b88c2c9..8c4b97b7172 100644 --- a/usr.sbin/tcpdump/print-ike.c +++ b/usr.sbin/tcpdump/print-ike.c @@ -1,4 +1,4 @@ -/* $OpenBSD: print-ike.c,v 1.16 2003/12/18 09:14:18 ho Exp $ */ +/* $OpenBSD: print-ike.c,v 1.17 2004/01/15 22:59:42 ho Exp $ */ /* * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 @@ -29,7 +29,7 @@ #ifndef lint static const char rcsid[] = - "@(#) $Header: /home/cvs/src/usr.sbin/tcpdump/print-ike.c,v 1.16 2003/12/18 09:14:18 ho Exp $ (XXX)"; + "@(#) $Header: /home/cvs/src/usr.sbin/tcpdump/print-ike.c,v 1.17 2004/01/15 22:59:42 ho Exp $ (XXX)"; #endif #include <sys/param.h> @@ -131,10 +131,9 @@ ike_print (const u_char *cp, u_int length) #define TCHECK(var, l) if ((u_char *)&(var) > ep - l) goto trunc ih = (struct isakmp_header *)cp; - /* Note funny sized packets */ - if (length < 20) - (void)printf(" [len=%d]", length); + if (length < sizeof (struct isakmp_header)) + goto trunc; /* 'ep' points to the end of avaible data. */ ep = snapend; |