diff options
| author | Mike Frantzen <frantzen@cvs.openbsd.org> | 2003-08-27 18:23:37 +0000 |
|---|---|---|
| committer | Mike Frantzen <frantzen@cvs.openbsd.org> | 2003-08-27 18:23:37 +0000 |
| commit | 0eb299bf94d58374decd545f97504682ed395970 (patch) | |
| tree | 4ec0104dc7c63c617487d127b1a362d82105b0f4 /sys | |
| parent | ade6d3bf4f7eb177cd08ba5bc89545de3417b070 (diff) | |
fix inconsistency how we handle tcpopt EOL versus how p0f v2 handles it
Diffstat (limited to 'sys')
| -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; |