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https://gitlab.freedesktop.org/NetworkManager/NetworkManager
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callouts: port nm-avahi-autoipd.action to GDBus
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parent
b99b632b47
commit
4fab71b466
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@ -15,87 +15,48 @@
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright (C) 2008 Red Hat, Inc.
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* Copyright 2008, 2014 Red Hat, Inc.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <glib.h>
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#include <dbus/dbus.h>
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#include <dbus/dbus-glib-lowlevel.h>
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#include <dbus/dbus-glib.h>
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#include <gio/gio.h>
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#define NM_AVAHI_AUTOIPD_DBUS_SERVICE "org.freedesktop.nm_avahi_autoipd"
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#define NM_AVAHI_AUTOIPD_DBUS_INTERFACE "org.freedesktop.nm_avahi_autoipd"
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static DBusConnection *
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dbus_init (void)
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static void
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on_name_acquired (GDBusConnection *connection,
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const gchar *name,
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gpointer loop)
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{
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DBusConnection * connection;
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DBusError error;
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int ret;
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g_main_loop_quit (loop);
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}
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dbus_connection_set_change_sigpipe (TRUE);
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dbus_error_init (&error);
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connection = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
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if (dbus_error_is_set (&error)) {
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fprintf (stderr, "Error: could not get the system bus. Make sure "
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"the message bus daemon is running! Message: (%s) %s\n",
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error.name,
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error.message);
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goto error;
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}
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dbus_connection_set_exit_on_disconnect (connection, FALSE);
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dbus_error_init (&error);
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ret = dbus_bus_request_name (connection,
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NM_AVAHI_AUTOIPD_DBUS_SERVICE,
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DBUS_NAME_FLAG_DO_NOT_QUEUE,
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&error);
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if (dbus_error_is_set (&error)) {
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fprintf (stderr, "Error: Could not acquire the NM DHCP client service. "
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"Message: (%s) %s\n",
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error.name,
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error.message);
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goto error;
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}
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if (ret != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
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fprintf (stderr, "Error: Could not acquire the NM DHCP client service "
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"as it is already taken. Return: %d\n",
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ret);
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goto error;
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}
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return connection;
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error:
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if (dbus_error_is_set (&error))
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dbus_error_free (&error);
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if (connection)
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dbus_connection_unref (connection);
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return NULL;
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static void
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on_name_lost (GDBusConnection *connection,
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const gchar *name,
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gpointer user_data)
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{
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g_printerr ("Error: Could not acquire the NM autoipd service.");
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exit (1);
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}
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int
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main (int argc, char *argv[])
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{
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DBusConnection *connection;
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DBusMessage *message;
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dbus_bool_t result;
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GDBusConnection *connection;
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char *event, *iface, *address;
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GMainLoop *loop;
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GError *error = NULL;
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#if !GLIB_CHECK_VERSION (2, 35, 0)
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g_type_init ();
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#endif
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if (argc != 4) {
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fprintf (stderr, "Error: expected 3 arguments (event, interface, address).\n");
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g_printerr ("Error: expected 3 arguments (event, interface, address).\n");
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exit (1);
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}
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@ -104,41 +65,60 @@ main (int argc, char *argv[])
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address = argv[3] ? argv[3] : "";
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if (!event || !iface || !strlen (event) || !strlen (iface)) {
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fprintf (stderr, "Error: unexpected arguments received from avahi-autoipd.\n");
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g_printerr ("Error: unexpected arguments received from avahi-autoipd.\n");
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exit (1);
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}
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/* Get a connection to the system bus */
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connection = dbus_init ();
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if (connection == NULL)
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exit (1);
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connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
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if (error) {
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char *remote_error = g_dbus_error_get_remote_error (error);
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message = dbus_message_new_signal ("/", NM_AVAHI_AUTOIPD_DBUS_INTERFACE, "Event");
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if (message == NULL) {
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fprintf (stderr, "Error: not enough memory to send autoip Event signal.\n");
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exit (1);
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g_dbus_error_strip_remote_error (error);
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g_printerr ("Error: could not get the system bus. Make sure "
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"the message bus daemon is running! Message: (%s) %s\n",
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remote_error, error->message);
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g_free (remote_error);
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g_error_free (error);
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return 1;
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}
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if (!dbus_message_append_args (message,
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DBUS_TYPE_STRING, &event,
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DBUS_TYPE_STRING, &iface,
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DBUS_TYPE_STRING, &address,
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DBUS_TYPE_INVALID)) {
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fprintf (stderr, "Error: failed to construct autoip Event signal.\n");
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exit (1);
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/* Acquire the bus name */
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loop = g_main_loop_new (NULL, FALSE);
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g_bus_own_name_on_connection (connection,
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NM_AVAHI_AUTOIPD_DBUS_SERVICE,
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0,
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on_name_acquired,
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on_name_lost,
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loop, NULL);
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g_main_loop_run (loop);
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g_main_loop_unref (loop);
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/* Send the signal */
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if (!g_dbus_connection_emit_signal (connection,
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NULL,
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"/",
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NM_AVAHI_AUTOIPD_DBUS_INTERFACE,
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"Event",
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g_variant_new ("(sss)",
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event,
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iface,
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address),
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&error)) {
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g_dbus_error_strip_remote_error (error);
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g_printerr ("Error: Could not send autoipd Event signal: %s\n", error->message);
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g_error_free (error);
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return 1;
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}
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/* queue the message */
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result = dbus_connection_send (connection, message, NULL);
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if (!result) {
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fprintf (stderr, "Error: could not send send autoip Event signal.\n");
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exit (1);
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if (!g_dbus_connection_flush_sync (connection, NULL, &error)) {
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g_dbus_error_strip_remote_error (error);
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g_printerr ("Error: Could not flush D-Bus connection: %s\n", error->message);
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g_error_free (error);
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return 1;
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}
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dbus_message_unref (message);
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/* Send out the message */
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dbus_connection_flush (connection);
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g_object_unref (connection);
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return 0;
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}
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