Don't call get_route recursively if a route's gateway matches the destination

diff --git a/src/libhydra/plugins/kernel_netlink/kernel_netlink_net.c b/src/libhydra/plugins/kernel_netlink/kernel_netlink_net.c
index 8b8ab2121f75337a73badaa6b644fd5072a64d87..79ab35ca02df090fd1d5172dbcbdf3e6d08c970a 100644 (file)
--- a/src/libhydra/plugins/kernel_netlink/kernel_netlink_net.c
+++ b/src/libhydra/plugins/kernel_netlink/kernel_netlink_net.c
@@ -1557,8 +1557,11 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest,
                        host_t *gtw;
 
                        gtw = host_create_from_chunk(msg->rtm_family, route->gtw, 0);
-                       route->src_host = get_route(this, gtw, FALSE, candidate);
-                       gtw->destroy(gtw);
+                       if (gtw && !gtw->ip_equals(gtw, dest))
+                       {
+                               route->src_host = get_route(this, gtw, FALSE, candidate);
+                       }
+                       DESTROY_IF(gtw);
                        if (route->src_host)
                        {       /* more of the same */
                                if (!candidate ||