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Prevent reception of packets on downed interfaces (via an up interface). 

fixes kern/7327
This commit is contained in:
proff 1999-04-07 02:31:05 +00:00
parent d7f2b03827
commit ae938abb49
1 changed files with 5 additions and 2 deletions
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7
sys/netinet/ip_input.c
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@ -1,4 +1,4 @@
/* $NetBSD: ip_input.c,v 1.82 1999/03/27 01:24:49 aidan Exp $ */
/* $NetBSD: ip_input.c,v 1.83 1999/04/07 02:31:05 proff Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -420,7 +420,10 @@ next:
* Check our list of addresses, to see if the packet is for us.
*/
INADDR_TO_IA(ip->ip_dst, ia);
if (ia != NULL) goto ours;
if (ia != NULL) {
if (ia->ia_ifp->if_flags & IFF_UP)
goto ours;
}
if (m->m_pkthdr.rcvif->if_flags & IFF_BROADCAST) {
for (ifa = m->m_pkthdr.rcvif->if_addrlist.tqh_first;
ifa != NULL; ifa = ifa->ifa_list.tqe_next) {