summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAlexander Bluhm <bluhm@cvs.openbsd.org>2016-06-27 15:59:52 +0000
committerAlexander Bluhm <bluhm@cvs.openbsd.org>2016-06-27 15:59:52 +0000
commit9516394ee28d7f96d466feee1b96506e8714100e (patch)
tree1e23fabf7187c8ec11e2f0c7b2804a461c9f8667
parent2f836cd4b4f555059beb70dcbc1751d9e8442817 (diff)
Copy inp_hops from the listening socket to the accepted one and use
its value for the SYN+ACK packet. This makes the IPV6_UNICAST_HOPS socket option usable for incoming TCP connections. tested by renato@; OK jca@
-rw-r--r--sys/netinet/tcp_input.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c
index 5c778028e19..688d12d412b 100644
--- a/sys/netinet/tcp_input.c
+++ b/sys/netinet/tcp_input.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tcp_input.c,v 1.320 2016/06/27 12:25:27 bluhm Exp $ */
+/* $OpenBSD: tcp_input.c,v 1.321 2016/06/27 15:59:51 bluhm Exp $ */
/* $NetBSD: tcp_input.c,v 1.23 1996/02/13 23:43:44 christos Exp $ */
/*
@@ -3690,6 +3690,7 @@ syn_cache_get(struct sockaddr *src, struct sockaddr *dst, struct tcphdr *th,
inp->inp_flags |= (oldinp->inp_flags & INP_IPV6);
if (inp->inp_flags & INP_IPV6) {
inp->inp_ipv6.ip6_hlim = oldinp->inp_ipv6.ip6_hlim;
+ inp->inp_hops = oldinp->inp_hops;
}
#endif /* INET6 */
@@ -4346,7 +4347,7 @@ syn_cache_respond(struct syn_cache *sc, struct mbuf *m)
break;
#ifdef INET6
case AF_INET6:
- ip6->ip6_hlim = in6_selecthlim(NULL);
+ ip6->ip6_hlim = in6_selecthlim(inp);
error = ip6_output(m, NULL /*XXX*/, (struct route_in6 *)ro, 0,
NULL, NULL);