diff options
| author | guy <guy> | 2005-10-16 06:05:03 +0000 |
|---|---|---|
| committer | guy <guy> | 2005-10-16 06:05:03 +0000 |
| commit | 463199df7a8a5218ada2009d56cc0656a60b3924 (patch) | |
| tree | 77dd88a2055e9c553378aaf3d78e580b17c9893c /print-tcp.c | |
| parent | 634d7985341ac3650e1337b166320b851f627fe7 (diff) | |
| download | tcpdump-463199df7a8a5218ada2009d56cc0656a60b3924.tar.gz | |
From Noritoshi Demizu: memcmp() returns a value = 0 if the two memory
regions are =, < 0 if the first memory region is < the second, or > 0 if
the first memory region is > the second, so to check whether two memory
regions are equal, check whether memcmp()'s return value is == 0.
Diffstat (limited to 'print-tcp.c')
| -rw-r--r-- | print-tcp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/print-tcp.c b/print-tcp.c index 6f5d433d..4fffc7a2 100644 --- a/print-tcp.c +++ b/print-tcp.c @@ -23,7 +23,7 @@ #ifndef lint static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/print-tcp.c,v 1.122 2005-04-21 06:35:52 guy Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/tcpdump/print-tcp.c,v 1.123 2005-10-16 06:05:03 guy Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -799,7 +799,7 @@ tcp_verify_signature(const struct ip *ip, const struct tcphdr *tp, MD5_Update(&ctx, tcpmd5secret, strlen(tcpmd5secret)); MD5_Final(sig, &ctx); - if (memcmp(rcvsig, sig, 16)) + if (memcmp(rcvsig, sig, TCP_SIGLEN) == 0) return (SIGNATURE_VALID); else return (SIGNATURE_INVALID); |