diff options
| author |   itojun <itojun@openbsd.org> | 2000-07-27 16:05:07 +0000 |
|---|---|---|
| committer | itojun <itojun@openbsd.org> | 2000-07-27 16:05:07 +0000 |
| commit | 5a4be39a311611a4acefab14d48263364d418b28 (patch) | |
| tree | 7aa25c7c4093ac667f01183955aa6067d2a807e4 | |
| parent | raw6/udp6 sockets are okay with :: in src. (diff) | |
| download | wireguard-openbsd-5a4be39a311611a4acefab14d48263364d418b28.tar.xz wireguard-openbsd-5a4be39a311611a4acefab14d48263364d418b28.zip | |
do not forward packet with :: in the source.
this is not in the spec - we had rough consensus on it in ipngwg,
spec will get updated to include this behavior.
| -rw-r--r-- | sys/netinet6/ip6_forward.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/sys/netinet6/ip6_forward.c b/sys/netinet6/ip6_forward.c index c08265d6826..2b99d7a27c7 100644 --- a/sys/netinet6/ip6_forward.c +++ b/sys/netinet6/ip6_forward.c @@ -1,5 +1,5 @@ -/* $OpenBSD: ip6_forward.c,v 1.8 2000/06/30 19:45:36 itojun Exp $ */ -/* $KAME: ip6_forward.c,v 1.38 2000/06/22 21:02:05 itojun Exp $ */ +/* $OpenBSD: ip6_forward.c,v 1.9 2000/07/27 16:05:07 itojun Exp $ */ +/* $KAME: ip6_forward.c,v 1.44 2000/07/27 13:43:21 itojun Exp $ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. @@ -108,8 +108,15 @@ ip6_forward(m, srcrt) } #endif /*IPSEC_IPV6FWD*/ + /* + * Do not forward packets to multicast destination (should be handled + * by ip6_mforward(). + * Do not forward packets with unspecified source. It was discussed + * in July 2000, on ipngwg mailing list. + */ if ((m->m_flags & (M_BCAST|M_MCAST)) != 0 || - IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) { + IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst) || + IN6_IS_ADDR_UNSPECIFIED(&ip6->ip6_src)) { ip6stat.ip6s_cantforward++; /* XXX in6_ifstat_inc(rt->rt_ifp, ifs6_in_discard) */ if (ip6_log_time + ip6_log_interval < time_second) { |