diff options
Diffstat (limited to 'sys/netinet/ip_fw.c')
| -rw-r--r-- | sys/netinet/ip_fw.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/sys/netinet/ip_fw.c b/sys/netinet/ip_fw.c index c343238..dcc3bfe 100644 --- a/sys/netinet/ip_fw.c +++ b/sys/netinet/ip_fw.c @@ -12,7 +12,7 @@ * * This software is provided ``AS IS'' without any warranties of any kind. * - * $Id: ip_fw.c,v 1.64 1997/10/12 20:25:25 phk Exp $ + * $Id: ip_fw.c,v 1.65 1997/11/05 20:17:19 joerg Exp $ */ /* @@ -577,23 +577,24 @@ got_match: { struct tcphdr *const tcp = (struct tcphdr *) ((u_long *)ip + ip->ip_hl); - struct tcpiphdr ti; + struct tcpiphdr ti, *const tip = (struct tcpiphdr *) ip; if (offset != 0 || (tcp->th_flags & TH_RST)) break; ti.ti_i = *((struct ipovly *) ip); ti.ti_t = *tcp; - NTOHL(ti.ti_seq); - NTOHL(ti.ti_ack); - ti.ti_len = ip->ip_len - hlen - (ti.ti_off << 2); + bcopy(&ti, ip, sizeof(ti)); + NTOHL(tip->ti_seq); + NTOHL(tip->ti_ack); + tip->ti_len = ip->ip_len - hlen - (tip->ti_off << 2); if (tcp->th_flags & TH_ACK) { - tcp_respond(NULL, &ti, *m, + tcp_respond(NULL, tip, *m, (tcp_seq)0, ntohl(tcp->th_ack), TH_RST); } else { if (tcp->th_flags & TH_SYN) - ti.ti_len++; - tcp_respond(NULL, &ti, *m, ti.ti_seq - + ti.ti_len, (tcp_seq)0, TH_RST|TH_ACK); + tip->ti_len++; + tcp_respond(NULL, tip, *m, tip->ti_seq + + tip->ti_len, (tcp_seq)0, TH_RST|TH_ACK); } *m = NULL; break; |
