diff options
| author |   henning <henning@openbsd.org> | 2006-12-05 12:04:36 +0000 |
|---|---|---|
| committer | henning <henning@openbsd.org> | 2006-12-05 12:04:36 +0000 |
| commit | 692f94a30aa6a3df25d77d14dc6d115f4de5e769 (patch) | |
| tree | 4b4ca4ce585c70e1515e5de2755ca5a5f83c5121 | |
| parent | - Fix typos. (diff) | |
| download | wireguard-openbsd-692f94a30aa6a3df25d77d14dc6d115f4de5e769.tar.xz wireguard-openbsd-692f94a30aa6a3df25d77d14dc6d115f4de5e769.zip | |
make the syncache code respect (inherit) the ttl from the listening socket
when sending the synack response. ok markus
| -rw-r--r-- | sys/netinet/tcp_input.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index 9a3c5f652d3..19534c3ab54 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_input.c,v 1.198 2006/10/31 16:22:25 markus Exp $ */ +/* $OpenBSD: tcp_input.c,v 1.199 2006/12/05 12:04:36 henning Exp $ */ /* $NetBSD: tcp_input.c,v 1.23 1996/02/13 23:43:44 christos Exp $ */ /* @@ -4328,6 +4328,9 @@ syn_cache_respond(sc, m) #endif } + /* use IPsec policy and ttl from listening socket, on SYN ACK */ + inp = sc->sc_tp ? sc->sc_tp->t_inpcb : NULL; + /* * Fill in some straggling IP bits. Note the stack expects * ip_len to be in host order, for convenience. @@ -4336,7 +4339,7 @@ syn_cache_respond(sc, m) #ifdef INET case AF_INET: ip->ip_len = htons(tlen); - ip->ip_ttl = ip_defttl; + ip->ip_ttl = inp ? inp->inp_ip.ip_ttl : ip_defttl; /* XXX tos? */ break; #endif @@ -4351,9 +4354,6 @@ syn_cache_respond(sc, m) #endif } - /* use IPsec policy from listening socket, on SYN ACK */ - inp = sc->sc_tp ? sc->sc_tp->t_inpcb : NULL; - switch (sc->sc_src.sa.sa_family) { #ifdef INET case AF_INET: |