Complain about missing %defaultroute support only if one is actually used

src/starter/confread.c

@@ -245,6 +245,10 @@ kw_end(starter_conn_t *conn, starter_end_t *end, kw_token_t token
 				end->addr    = cfg->defaultroute.addr;
 				end->nexthop = cfg->defaultroute.nexthop;
 			}
+			else if (!cfg->defaultroute.supported)
+			{
+				plog("%%defaultroute not supported, fallback to %%any");
+			}
 			else
 			{
 				plog("# default route not known: %s=%s", name, value);

src/starter/interfaces.c

@@ -173,6 +173,7 @@ get_defaultroute(defaultroute_t *defaultroute)
 			defaultroute->defined = TRUE;
 		}
 	}
+	defaultroute->supported = TRUE;
 
 	if (!defaultroute->defined)
 		plog("no default route - cannot cope with %%defaultroute!!!");
@@ -186,9 +187,7 @@ get_defaultroute(defaultroute_t *defaultroute)
 void
 get_defaultroute(defaultroute_t *defaultroute)
 {
-	memset(defaultroute, 0, sizeof(defaultroute_t));
+	defaultroute->supported = FALSE;
-	defaultroute->defined = TRUE;
-	plog("%%defaultroute not supported, fallback to %%any");
 }
 #endif /* START_PLUTO */
 

src/starter/interfaces.h

@@ -23,6 +23,7 @@
 
 typedef struct {
 	bool defined;
+	bool supported;
 	char iface[IFNAMSIZ];
 	ip_address addr;
 	ip_address nexthop;