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authormpi <mpi@openbsd.org>2015-09-13 13:57:07 +0000
committermpi <mpi@openbsd.org>2015-09-13 13:57:07 +0000
commit9e948f0929f2fd8ff24b7b6bcde444331ca72761 (patch)
tree57bab912627cce59db54f986ce43944ac3e99bea /sys/netinet6
parentWrap long lines. (diff)
downloadwireguard-openbsd-9e948f0929f2fd8ff24b7b6bcde444331ca72761.tar.xz
wireguard-openbsd-9e948f0929f2fd8ff24b7b6bcde444331ca72761.zip
Get the default loopback interface pointer just after doing a route
lookup to ensure pf_test() is called with the same interface in the input annd output path for local traffic. Fix a regression reported by Heiko Zimmermann on bugs@, thanks! ok mikeb@, claudio@
Diffstat (limited to 'sys/netinet6')
-rw-r--r--sys/netinet6/ip6_output.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/netinet6/ip6_output.c b/sys/netinet6/ip6_output.c
index 076cd409dbd..d4d8348d77b 100644
--- a/sys/netinet6/ip6_output.c
+++ b/sys/netinet6/ip6_output.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ip6_output.c,v 1.187 2015/09/12 20:26:07 mpi Exp $ */
+/* $OpenBSD: ip6_output.c,v 1.188 2015/09/13 13:57:07 mpi Exp $ */
/* $KAME: ip6_output.c,v 1.172 2001/03/25 09:55:56 itojun Exp $ */
/*
@@ -550,7 +550,10 @@ reroute:
error = EHOSTUNREACH;
goto bad;
}
- ifp = if_ref(rt->rt_ifp);
+ if (ISSET(rt->rt_flags, RTF_LOCAL))
+ ifp = if_ref(lo0ifp);
+ else
+ ifp = if_ref(rt->rt_ifp);
} else {
*dst = dstsock;
}