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authorMarkus Friedl <markus@cvs.openbsd.org>2008-05-09 02:44:56 +0000
committerMarkus Friedl <markus@cvs.openbsd.org>2008-05-09 02:44:56 +0000
commit6b5278216d3e945e7764e8fb4d6084731d9c1d42 (patch)
treee16579e8549035c8a3ce6525cf6278091980d103 /sys/netinet/ip_input.c
parentbf10d8a20a778604168423fc81c27ee72bc63285 (diff)
divert packets to local socket without modifying the ip header;
makes transparent proxies much easier; ok beck@, feedback claudio@
Diffstat (limited to 'sys/netinet/ip_input.c')
-rw-r--r--sys/netinet/ip_input.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c
index 05b65ae94ef..93007462da2 100644
--- a/sys/netinet/ip_input.c
+++ b/sys/netinet/ip_input.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ip_input.c,v 1.158 2008/04/24 11:36:38 dlg Exp $ */
+/* $OpenBSD: ip_input.c,v 1.159 2008/05/09 02:44:54 markus Exp $ */
/* $NetBSD: ip_input.c,v 1.30 1996/03/16 23:53:58 christos Exp $ */
/*
@@ -389,6 +389,9 @@ ipv4_input(m)
(ia->ia_ifp->if_flags & IFF_UP))
goto ours;
+ if (m->m_pkthdr.pf.flags & PF_TAG_DIVERTED)
+ goto ours;
+
if (IN_MULTICAST(ip->ip_dst.s_addr)) {
struct in_multi *inm;
#ifdef MROUTING