D-Bus: Add signal to notify WPS timeout event

Signed-off-by: Saurav Babu <saurav.babu@samsung.com>

doc/dbus.doxygen

@@ -919,7 +919,7 @@ Interface for performing WPS (Wi-Fi Simple Config) operations.
 	  "pbc-overlap".</dd>
 	  <dt>a{sv} : args</dt>
 	  <dd>
-	    Event arguments. Empty for success and pbc-voerlap events, one entry ( "msg" : i ) for fail event and following entries for m2d event:
+	    Event arguments. Empty for success and pbc-overlap events, error information ( "msg" : i, "config_error" : i, "error_indication" : i ) for fail event and following entries for m2d event:
 	    <table>
 	      <tr><th>config_methods</th><th>Value type</th>
 	      <tr><td>manufacturer</td><td>q</td>

wpa_supplicant/dbus/dbus_new.c

@@ -633,6 +633,10 @@ void wpas_dbus_signal_wps_event_fail(struct wpa_supplicant *wpa_s,
 	if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key) ||
 	    !wpa_dbus_dict_open_write(&iter, &dict_iter) ||
 	    !wpa_dbus_dict_append_int32(&dict_iter, "msg", fail->msg) ||
+	    !wpa_dbus_dict_append_int32(&dict_iter, "config_error",
+					fail->config_error) ||
+	    !wpa_dbus_dict_append_int32(&dict_iter, "error_indication",
+					fail->error_indication) ||
 	    !wpa_dbus_dict_close_write(&iter, &dict_iter))
 		wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
 	else

wpa_supplicant/wps_supplicant.c

@@ -955,8 +955,20 @@ static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
 {
 	struct wpa_supplicant *wpa_s = eloop_ctx;
+	union wps_event_data data;
+
 	wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
 		"out");
+	os_memset(&data, 0, sizeof(data));
+	data.fail.config_error = WPS_CFG_MSG_TIMEOUT;
+	data.fail.error_indication = WPS_EI_NO_ERROR;
+	/*
+	 * Call wpas_notify_wps_event_fail() directly instead of through
+	 * wpa_supplicant_wps_event() which would end up registering unnecessary
+	 * timeouts (those are only for the case where the failure happens
+	 * during an EAP-WSC exchange).
+	 */
+	wpas_notify_wps_event_fail(wpa_s, &data.fail);
 	wpas_clear_wps(wpa_s);
 }