- } else
- return bus_send_error_reply(m, c, message, NULL, -EINVAL);
+ } else {
+ if (p->property)
+ dbus_set_error_const(&error, DBUS_ERROR_PROPERTY_READ_ONLY, "Property read-only");
+ else if (!nulstr_contains(interfaces, interface))
+ dbus_set_error_const(&error, DBUS_ERROR_UNKNOWN_INTERFACE, "Unknown interface");
+ else
+ dbus_set_error_const(&error, DBUS_ERROR_UNKNOWN_PROPERTY, "Unknown property");
+
+ return bus_send_error_reply(m, c, message, &error, -EINVAL);
+ }
+
+ } else if (!nulstr_contains(interfaces, dbus_message_get_interface(message))) {
+ dbus_set_error_const(&error, DBUS_ERROR_UNKNOWN_INTERFACE, "Unknown interface");
+ return bus_send_error_reply(m, c, message, &error, -EINVAL);