[src/trunk]: src/usr.sbin/ldpd avoid advertising 0/8 transport address (confo...

[kefren <kefren%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/7913f16655f2
branches:  trunk
changeset: 761284:7913f16655f2
user:      kefren <kefren%NetBSD.org@localhost>
date:      Sat Jan 22 19:46:46 2011 +0000

description:
avoid advertising 0/8 transport address (conforming RFC1122
Section 3.2.1.3)

diffstat:

 usr.sbin/ldpd/socketops.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (19 lines):

diff -r d937680293be -r 7913f16655f2 usr.sbin/ldpd/socketops.c
--- a/usr.sbin/ldpd/socketops.c Sat Jan 22 19:35:47 2011 +0000
+++ b/usr.sbin/ldpd/socketops.c Sat Jan 22 19:46:46 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: socketops.c,v 1.4 2011/01/22 19:35:00 kefren Exp $ */
+/* $NetBSD: socketops.c,v 1.5 2011/01/22 19:46:46 kefren Exp $ */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -311,7 +311,8 @@
                if_sa = (struct sockaddr_in *) ifb->ifa_addr;
                if (if_sa->sin_family != AF_INET)
                        continue;
-               if (ntohl(if_sa->sin_addr.s_addr) >> 24 == IN_LOOPBACKNET)
+               if (ntohl(if_sa->sin_addr.s_addr) >> 24 == IN_LOOPBACKNET ||
+                   ntohl(if_sa->sin_addr.s_addr) >> 24 == 0)
                        continue;
                /* Send only once per interface, using master address */
                if (strcmp(ifb->ifa_name, lastifname) == 0)