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| author | darrenr <darrenr@FreeBSD.org> | 2007-10-18 21:42:51 +0000 |
|---|---|---|
| committer | darrenr <darrenr@FreeBSD.org> | 2007-10-18 21:42:51 +0000 |
| commit | 71e82d94e82560b20789833f60056506de34de8b (patch) | |
| tree | da6aaa7272c76c9c4cad931122fd1f4e4db237a5 /contrib/ipfilter/lib/ipft_tx.c | |
| parent | e2e28d4361fc9bdb67694eedaf349bdc7ca088a3 (diff) | |
| download | FreeBSD-src-71e82d94e82560b20789833f60056506de34de8b.zip FreeBSD-src-71e82d94e82560b20789833f60056506de34de8b.tar.gz | |
Import IPFilter 4.1.28
Diffstat (limited to 'contrib/ipfilter/lib/ipft_tx.c')
| -rw-r--r-- | contrib/ipfilter/lib/ipft_tx.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/contrib/ipfilter/lib/ipft_tx.c b/contrib/ipfilter/lib/ipft_tx.c index 302f177..5dc65b4 100644 --- a/contrib/ipfilter/lib/ipft_tx.c +++ b/contrib/ipfilter/lib/ipft_tx.c @@ -3,11 +3,11 @@ * * See the IPFILTER.LICENCE file for details on licencing. * - * $Id: ipft_tx.c,v 1.15.2.9 2006/06/16 17:21:04 darrenr Exp $ + * $Id: ipft_tx.c,v 1.15.2.10 2007/09/03 21:54:44 darrenr Exp $ */ #if !defined(lint) static const char sccsid[] = "@(#)ipft_tx.c 1.7 6/5/96 (C) 1993 Darren Reed"; -static const char rcsid[] = "@(#)$Id: ipft_tx.c,v 1.15.2.9 2006/06/16 17:21:04 darrenr Exp $"; +static const char rcsid[] = "@(#)$Id: ipft_tx.c,v 1.15.2.10 2007/09/03 21:54:44 darrenr Exp $"; #endif #include <ctype.h> @@ -257,19 +257,30 @@ int *out; } ip->ip_dst.s_addr = tx_hostnum(*cpp, &r); cpp++; - if (*cpp && ip->ip_p == IPPROTO_TCP) { - char *s, *t; - - tcp->th_flags = 0; - for (s = *cpp; *s; s++) - if ((t = strchr(myflagset, *s))) - tcp->th_flags |= myflags[t - myflagset]; - if (tcp->th_flags) - cpp++; - if (tcp->th_flags == 0) - abort(); + if (ip->ip_p == IPPROTO_TCP) { + if (*cpp != NULL) { + char *s, *t; + + tcp->th_flags = 0; + for (s = *cpp; *s; s++) + if ((t = strchr(myflagset, *s))) + tcp->th_flags |= myflags[t-myflagset]; + if (tcp->th_flags) + cpp++; + } + if (tcp->th_flags & TH_URG) tcp->th_urp = htons(1); + + if (*cpp && !strncasecmp(*cpp, "seq=", 4)) { + tcp->th_seq = htonl(atoi(*cpp + 4)); + cpp++; + } + + if (*cpp && !strncasecmp(*cpp, "ack=", 4)) { + tcp->th_ack = htonl(atoi(*cpp + 4)); + cpp++; + } } else if (*cpp && ip->ip_p == IPPROTO_ICMP) { extern char *tx_icmptypes[]; char **s, *t; |
