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| author |   claudio <claudio@openbsd.org> | 2006-05-28 04:30:16 +0000 |
|---|---|---|
| committer | claudio <claudio@openbsd.org> | 2006-05-28 04:30:16 +0000 |
| commit | 10e098a8609f724fab29ff74da43dd5402e6a8b9 (patch) | |
| tree | 82562076e01353ee71a39fa43a14b57f20006e77 | |
| parent | o KNF (diff) | |
| download | wireguard-openbsd-10e098a8609f724fab29ff74da43dd5402e6a8b9.tar.xz wireguard-openbsd-10e098a8609f724fab29ff74da43dd5402e6a8b9.zip | |
Fix multicast and broadcast over gre(4) tunnels. Clear the M_MCAST and M_BCAST
mbuf flags so that the packet is sent out with a normal link local address
instead of a multicast or broadcast address. OK brad@
| -rw-r--r-- | sys/net/if_gre.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/net/if_gre.c b/sys/net/if_gre.c index 66af9942c6d..67b4463b2da 100644 --- a/sys/net/if_gre.c +++ b/sys/net/if_gre.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_gre.c,v 1.40 2006/03/25 22:41:47 djm Exp $ */ +/* $OpenBSD: if_gre.c,v 1.41 2006/05/28 04:30:16 claudio Exp $ */ /* $NetBSD: if_gre.c,v 1.9 1999/10/25 19:18:11 drochner Exp $ */ /* @@ -231,6 +231,8 @@ gre_output(struct ifnet *ifp, struct mbuf *m, struct sockaddr *dst, bcopy(&ifp, (caddr_t)(mtag + 1), sizeof(struct ifnet *)); m_tag_prepend(m, mtag); + m->m_flags &= ~(M_BCAST|M_MCAST); + #if NBPFILTER >0 if (ifp->if_bpf) bpf_mtap_af(ifp->if_bpf, dst->sa_family, m, BPF_DIRECTION_OUT); |