Fix source-restrictions of routes when no mask was provided

[project/netifd.git] / interface-ip.c

diff --git a/interface-ip.c b/interface-ip.c
index 59cf828..fed7d72 100644 (file)
--- a/interface-ip.c
+++ b/interface-ip.c
@@ -337,12 +337,12 @@ interface_ip_add_route(struct interface *iface, struct blob_attr *attr, bool v6)
                const char *addr = strtok_r(source, "/", &saveptr);
                const char *mask = strtok_r(NULL, "/", &saveptr);
 
-               if (inet_pton(af, addr, &route->source) < 1) {
+               if (!addr || inet_pton(af, addr, &route->source) < 1) {
                        DPRINTF("Failed to parse route source: %s\n", addr);
                        goto error;
                }
 
-               route->sourcemask = atoi(mask);
+               route->sourcemask = (mask) ? atoi(mask) : ((af == AF_INET6) ? 128 : 32);
        }
 
        if (is_proto_route) {