Filter: Update 'gw' to handle IPv6 link-local addresses

When a link-local address is set, use the existing iface for scope.

Thanks to Marcel Krüger for the bugreport.

diff --git a/filter/f-inst.c b/filter/f-inst.c
index 5cae31ba153d05193ef3cad0a84232795871c200..1378fe4a499f360463b1a7697937b216e6c7a789 100644 (file)
--- a/filter/f-inst.c
+++ b/filter/f-inst.c
@@ -559,7 +559,8 @@
       case SA_GW:
        {
          ip_addr ip = v1.val.ip;
-         neighbor *n = neigh_find(rta->src->proto, ip, NULL, 0);
+         struct iface *ifa = ipa_is_link_local(ip) ? rta->nh.iface : NULL;
+         neighbor *n = neigh_find(rta->src->proto, ip, ifa, 0);
          if (!n || (n->scope == SCOPE_HOST))
            runtime( "Invalid gw address" );