P2P: Add manufacturer info into D-Bus peer interface

Allow the Manufacturer information for a found P2P peer device to be
fetched through the D-Bus interface similarly to p2p_peer <mac address>
on ctrl interface.

Signed-off-by: Amit Khatri <amit.khatri@samsung.com>
Signed-off-by: Rahul Jain <rahul.jain@samsung.com>
Signed-off-by: Ashutosh Kaushik <k.ashutosh@samsung.com>

doc/dbus.doxygen

@@ -1637,6 +1637,10 @@ Interface implemented by objects representing P2P peer devices.
     <h3>DeviceName - s - (read)</h3>
   </li>
 
+  <li>
+    <h3>Manufacturer - s - (read)</h3>
+  </li>
+
   <li>
     <h3>PrimaryDeviceType - ay - (read)</h3>
   </li>

wpa_supplicant/dbus/dbus_new.c

@@ -3307,6 +3307,10 @@ static const struct wpa_dbus_property_desc wpas_dbus_p2p_peer_properties[] = {
 	  wpas_dbus_getter_p2p_peer_device_name,
 	  NULL
 	},
+	{ "Manufacturer", WPAS_DBUS_NEW_IFACE_P2P_PEER, "s",
+	  wpas_dbus_getter_p2p_peer_manufacturer,
+	  NULL
+	},
 	{ "PrimaryDeviceType", WPAS_DBUS_NEW_IFACE_P2P_PEER, "ay",
 	  wpas_dbus_getter_p2p_peer_primary_device_type,
 	  NULL

wpa_supplicant/dbus/dbus_new_handlers_p2p.c

@@ -1251,6 +1251,43 @@ dbus_bool_t wpas_dbus_getter_p2p_peer_device_name(DBusMessageIter *iter,
 }
 
 
+dbus_bool_t wpas_dbus_getter_p2p_peer_manufacturer(DBusMessageIter *iter,
+						   DBusError *error,
+						   void *user_data)
+{
+	struct peer_handler_args *peer_args = user_data;
+	const struct p2p_peer_info *info;
+	char *tmp;
+
+	if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
+		return FALSE;
+
+	/* get the peer info */
+	info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+				  peer_args->p2p_device_addr, 0);
+	if (info == NULL) {
+		dbus_set_error(error, DBUS_ERROR_FAILED, "failed to find peer");
+		return FALSE;
+	}
+
+	tmp = os_strdup(info->manufacturer);
+	if (!tmp) {
+		dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+		return FALSE;
+	}
+
+	if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
+					      error)) {
+		dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+		os_free(tmp);
+		return FALSE;
+	}
+
+	os_free(tmp);
+	return TRUE;
+}
+
+
 dbus_bool_t wpas_dbus_getter_p2p_peer_primary_device_type(
 	DBusMessageIter *iter, DBusError *error, void *user_data)
 {

wpa_supplicant/dbus/dbus_new_handlers_p2p.h

@@ -115,6 +115,10 @@ dbus_bool_t wpas_dbus_getter_p2p_peer_device_name(DBusMessageIter *iter,
 						  DBusError *error,
 						  void *user_data);
 
+dbus_bool_t wpas_dbus_getter_p2p_peer_manufacturer(DBusMessageIter *iter,
+						   DBusError *error,
+						   void *user_data);
+
 dbus_bool_t wpas_dbus_getter_p2p_peer_primary_device_type(
 	DBusMessageIter *iter, DBusError *error, void *user_data);