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Fixes PR 7489 by Olaf Seibert. Fix by Zdenek Salvet (PR 7497).

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This commit is contained in:
is 1999-05-04 20:50:35 +00:00
parent 5d8dd1750f
commit 7807c9a493
1 changed files with 9 additions and 2 deletions
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11
sys/netinet/if_arp.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_arp.c,v 1.57 1999/05/04 14:58:27 is Exp $ */
/* $NetBSD: if_arp.c,v 1.58 1999/05/04 20:50:35 is Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -593,7 +593,14 @@ in_arpinput(m)
if (la && (rt = la->la_rt) && (sdl = SDL(rt->rt_gateway))) {
if (sdl->sdl_alen &&
bcmp((caddr_t)ar_sha(ah), LLADDR(sdl), sdl->sdl_alen)) {
if (rt->rt_ifp != ifp) {
if (rt->rt_flags & RTF_STATIC) {
log(LOG_INFO,
"%s tried to overwrite permanent arp info"
" for %s\n",
lla_snprintf(ar_sha(ah), ah->ar_hln),
in_fmtaddr(isaddr));
goto out;
} else if (rt->rt_ifp != ifp) {
log(LOG_INFO,
"%s on %s tried to overwrite "
"arp info for %s on %s\n",