diff options
| author | julian <julian@FreeBSD.org> | 1998-06-14 20:58:17 +0000 |
|---|---|---|
| committer | julian <julian@FreeBSD.org> | 1998-06-14 20:58:17 +0000 |
| commit | 7e20c7add6fbd44b2164c1501d1c47f6258b5251 (patch) | |
| tree | 0b692860e7ae8587eb052e0049d42270cd17cbe4 /sys/net/if_fddisubr.c | |
| parent | a75c402e98f5929ad6951b05b2999a6ada735c48 (diff) | |
| download | FreeBSD-src-7e20c7add6fbd44b2164c1501d1c47f6258b5251.zip FreeBSD-src-7e20c7add6fbd44b2164c1501d1c47f6258b5251.tar.gz | |
Try narrow down the culprit sending undefined packet types through the loopback
Diffstat (limited to 'sys/net/if_fddisubr.c')
| -rw-r--r-- | sys/net/if_fddisubr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/net/if_fddisubr.c b/sys/net/if_fddisubr.c index ee4e847..823bf4d 100644 --- a/sys/net/if_fddisubr.c +++ b/sys/net/if_fddisubr.c @@ -33,7 +33,7 @@ * SUCH DAMAGE. * * from: if_ethersubr.c,v 1.5 1994/12/13 22:31:45 wollman Exp - * $Id: if_fddisubr.c,v 1.30 1998/05/21 00:33:16 dg Exp $ + * $Id: if_fddisubr.c,v 1.31 1998/06/12 03:48:08 julian Exp $ */ #include "opt_atalk.h" @@ -301,6 +301,7 @@ fddi_output(ifp, m0, dst, rt0) case AF_UNSPEC: { struct ether_header *eh; + loop_copy = -1; eh = (struct ether_header *)dst->sa_data; (void)memcpy((caddr_t)edst, (caddr_t)eh->ether_dhost, sizeof (edst)); if (*edst & 1) @@ -386,7 +387,8 @@ fddi_output(ifp, m0, dst, rt0) * on the wire). However, we don't do that here for security * reasons and compatibility with the original behavior. */ - if (ifp->if_flags & IFF_SIMPLEX) { + if ((ifp->if_flags & IFF_SIMPLEX) && + (loop_copy != -1)) { if ((m->m_flags & M_BCAST) || loop_copy) { struct mbuf *n = m_copy(m, 0, (int)M_COPYALL); |
