registrar: relax usage of save() for failure route

modules/registrar/reg_mod.c

@@ -171,11 +171,11 @@ static pv_export_t mod_pvs[] = {
  */
 static cmd_export_t cmds[] = {
 	{"save",         (cmd_function)w_save2,       1,  save_fixup, 0,
-			REQUEST_ROUTE | ONREPLY_ROUTE },
+			REQUEST_ROUTE | FAILURE_ROUTE | ONREPLY_ROUTE },
 	{"save",         (cmd_function)w_save2,       2,  save_fixup, 0,
-			REQUEST_ROUTE | ONREPLY_ROUTE },
+			REQUEST_ROUTE | FAILURE_ROUTE | ONREPLY_ROUTE },
 	{"save",         (cmd_function)w_save3,       3,  save_fixup, 0,
-			REQUEST_ROUTE | ONREPLY_ROUTE },
+			REQUEST_ROUTE | FAILURE_ROUTE | ONREPLY_ROUTE },
 	{"lookup",       (cmd_function)w_lookup,      1,  domain_uri_fixup, 0,
 			REQUEST_ROUTE | FAILURE_ROUTE },
 	{"lookup",       (cmd_function)w_lookup,      2,  domain_uri_fixup, 0,

modules/registrar/save.c

@@ -960,7 +960,8 @@ int save(struct sip_msg* _m, udomain_t* _d, int _cflags, str *_uri)
 	update_stat(accepted_registrations, 1);
 
 	/* Only send reply upon request, not upon reply */
-	if ((is_route_type(REQUEST_ROUTE)) && !is_cflag_set(REG_SAVE_NORPL_FL) && (reg_send_reply(_m) < 0))
+	if ((is_route_type(REQUEST_ROUTE) || is_route_type(FAILURE_ROUTE))
+			&& !is_cflag_set(REG_SAVE_NORPL_FL) && (reg_send_reply(_m) < 0))
 		return -1;
 
 	return ret;