bgpd: Dissallow v6 routes from setting a v4 nexthop

Do not allow a v6 route to set a v4 nexthop via a routemap. As that this will crash bgp. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
FRRouting · Oct 20, 2018 · 77f4dfb · 77f4dfb
1 parent 2b67b6f
commit 77f4dfb
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/bgpd/bgp_routemap.c b/bgpd/bgp_routemap.c
@@ -1406,6 +1406,9 @@ static route_map_result_t route_set_ip_nexthop(void *rule,
 	if (type != RMAP_BGP)
 		return RMAP_OKAY;
 
+	if (prefix->family == AF_INET6)
+		return RMAP_OKAY;
+
 	path = object;
 	peer = path->peer;