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Diffstat (limited to 'usr.sbin/bgpd/rde_decide.c')
-rw-r--r--usr.sbin/bgpd/rde_decide.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/usr.sbin/bgpd/rde_decide.c b/usr.sbin/bgpd/rde_decide.c
index 791201c8ee1..4a0fda63470 100644
--- a/usr.sbin/bgpd/rde_decide.c
+++ b/usr.sbin/bgpd/rde_decide.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: rde_decide.c,v 1.16 2004/01/12 13:33:16 claudio Exp $ */
+/* $OpenBSD: rde_decide.c,v 1.17 2004/01/13 12:38:50 claudio Exp $ */
/*
* Copyright (c) 2003, 2004 Claudio Jeker <claudio@openbsd.org>
@@ -432,19 +432,31 @@ up_generate_updates(struct prefix *new, struct prefix *old)
* set.
*/
- p = calloc(1, sizeof(struct update_prefix));
- if (p == NULL)
- fatal("up_queue_update");
-
if (new == NULL || new->aspath->nexthop == NULL ||
new->aspath->nexthop->state != NEXTHOP_REACH) {
+ if (peer == old->peer)
+ /* Do not send routes back to sender */
+ continue;
+
/* withdraw prefix */
+ p = calloc(1, sizeof(struct update_prefix));
+ if (p == NULL)
+ fatal("up_queue_update");
+
p->prefix = old->prefix->prefix;
p->prefixlen = old->prefix->prefixlen;
if (up_add(peer, p, NULL) == -1)
logit(LOG_CRIT, "queuing update failed.");
} else {
+ if (peer == new->peer)
+ /* Do not send routes back to sender */
+ continue;
+
/* generate update */
+ p = calloc(1, sizeof(struct update_prefix));
+ if (p == NULL)
+ fatal("up_queue_update");
+
a = calloc(1, sizeof(struct update_attr));
if (a == NULL)
fatal("up_queue_update");