diff options
| author |   frantzen <frantzen@openbsd.org> | 2003-08-27 18:23:36 +0000 |
|---|---|---|
| committer | frantzen <frantzen@openbsd.org> | 2003-08-27 18:23:36 +0000 |
| commit | bc77e309ae3bf20caac32ca603e90ee4f2ab6099 (patch) | |
| tree | 8f5df8ae9b88c524de41e24f630d4ad62fb2f3a8 /sys/net/pf_osfp.c | |
| parent | sync to the latest p0f v2 database. adds a bunch. thanks and keep going to (diff) | |
| download | wireguard-openbsd-bc77e309ae3bf20caac32ca603e90ee4f2ab6099.tar.xz wireguard-openbsd-bc77e309ae3bf20caac32ca603e90ee4f2ab6099.zip | |
fix inconsistency how we handle tcpopt EOL versus how p0f v2 handles it
Diffstat (limited to 'sys/net/pf_osfp.c')
| -rw-r--r-- | sys/net/pf_osfp.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/net/pf_osfp.c b/sys/net/pf_osfp.c index b7c72daa63c..c01d6de6407 100644 --- a/sys/net/pf_osfp.c +++ b/sys/net/pf_osfp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pf_osfp.c,v 1.2 2003/08/27 16:13:21 frantzen Exp $ */ +/* $OpenBSD: pf_osfp.c,v 1.3 2003/08/27 18:23:36 frantzen Exp $ */ /* * Copyright (c) 2003 Mike Frantzen <frantzen@w4g.org> @@ -124,10 +124,11 @@ pf_osfp_fingerprint_hdr(const struct ip *ip, const struct tcphdr *tcp) cnt = (tcp->th_off << 2) - sizeof(*tcp); optp = (caddr_t)tcp + sizeof(*tcp); for (; cnt > 0; cnt -= optlen, optp += optlen) { - fp.fp_optcnt++; if (*optp == TCPOPT_EOL) break; - else if (*optp == TCPOPT_NOP) { + + fp.fp_optcnt++; + if (*optp == TCPOPT_NOP) { fp.fp_tcpopts = (fp.fp_tcpopts << PF_OSFP_TCPOPT_BITS) | PF_OSFP_TCPOPT_NOP; optlen = 1; |