D-Bus: Add device serial number in WPS property

Signed-off-by: Avichal Agarwal <avichal.a@samsung.com>
Signed-off-by: Mayank Haarit <mayank.h@samsung.com>

wpa_supplicant/dbus/dbus_new.c

@@ -3258,6 +3258,12 @@ static const struct wpa_dbus_property_desc wpas_dbus_interface_properties[] = {
 	  wpas_dbus_setter_wps_device_model_number,
 	  NULL
 	},
+	{
+	  "SerialNumber", WPAS_DBUS_NEW_IFACE_WPS, "s",
+	  wpas_dbus_getter_wps_device_serial_number,
+	  wpas_dbus_setter_wps_device_serial_number,
+	  NULL
+	},
 #endif /* CONFIG_WPS */
 #ifdef CONFIG_P2P
 	{ "P2PDeviceConfig", WPAS_DBUS_NEW_IFACE_P2PDEVICE, "a{sv}",

wpa_supplicant/dbus/dbus_new_handlers.h

@@ -194,6 +194,8 @@ DECLARE_ACCESSOR(wpas_dbus_getter_wps_device_model_name);
 DECLARE_ACCESSOR(wpas_dbus_setter_wps_device_model_name);
 DECLARE_ACCESSOR(wpas_dbus_getter_wps_device_model_number);
 DECLARE_ACCESSOR(wpas_dbus_setter_wps_device_model_number);
+DECLARE_ACCESSOR(wpas_dbus_getter_wps_device_serial_number);
+DECLARE_ACCESSOR(wpas_dbus_setter_wps_device_serial_number);
 
 DBusMessage * wpas_dbus_handler_tdls_discover(DBusMessage *message,
 					      struct wpa_supplicant *wpa_s);

wpa_supplicant/dbus/dbus_new_handlers_wps.c

@@ -689,3 +689,61 @@ dbus_bool_t wpas_dbus_setter_wps_device_model_number(
 
 	return TRUE;
 }
+
+
+/**
+ * wpas_dbus_getter_wps_device_serial_number - Get current device serial number
+ * @iter: Pointer to incoming dbus message iter
+ * @error: Location to store error on failure
+ * @user_data: Function specific data
+ * Returns: TRUE on success, FALSE on failure
+ *
+ * Getter for "SerialNumber" property.
+ */
+dbus_bool_t wpas_dbus_getter_wps_device_serial_number(
+	const struct wpa_dbus_property_desc *property_desc,
+	DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+	struct wpa_supplicant *wpa_s = user_data;
+	char *model_number = wpa_s->conf->serial_number;
+
+	if (!model_number)
+		model_number = "";
+	return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
+						&model_number, error);
+}
+
+
+/**
+ * wpas_dbus_setter_wps_device_serial_number - Set current device serial number
+ * @iter: Pointer to incoming dbus message iter
+ * @error: Location to store error on failure
+ * @user_data: Function specific data
+ * Returns: TRUE on success, FALSE on failure
+ *
+ * Setter for "SerialNumber" property.
+ */
+dbus_bool_t wpas_dbus_setter_wps_device_serial_number(
+	const struct wpa_dbus_property_desc *property_desc,
+	DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+	struct wpa_supplicant *wpa_s = user_data;
+	char *methods, *serial_number;
+
+	if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
+					      &methods))
+		return FALSE;
+
+	if (os_strlen(methods) > WPS_SERIAL_NUMBER_MAX_LEN)
+		return FALSE;
+
+	serial_number = os_strdup(methods);
+	if (!serial_number)
+		return FALSE;
+	os_free(wpa_s->conf->serial_number);
+	wpa_s->conf->serial_number = serial_number;
+	wpa_s->conf->changed_parameters |= CFG_CHANGED_WPS_STRING;
+	wpa_supplicant_update_config(wpa_s);
+
+	return TRUE;
+}