NetworkManager/callouts/nm-avahi-autoipd-action.c
2014-09-18 11:04:25 -04:00

125 lines
3.8 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager -- Network link manager
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright 2008, 2014 Red Hat, Inc.
*/
#include <stdlib.h>
#include <string.h>
#include <gio/gio.h>
#define NM_AVAHI_AUTOIPD_DBUS_SERVICE "org.freedesktop.nm_avahi_autoipd"
#define NM_AVAHI_AUTOIPD_DBUS_INTERFACE "org.freedesktop.nm_avahi_autoipd"
static void
on_name_acquired (GDBusConnection *connection,
const gchar *name,
gpointer loop)
{
g_main_loop_quit (loop);
}
static void
on_name_lost (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
g_printerr ("Error: Could not acquire the NM autoipd service.");
exit (1);
}
int
main (int argc, char *argv[])
{
GDBusConnection *connection;
char *event, *iface, *address;
GMainLoop *loop;
GError *error = NULL;
#if !GLIB_CHECK_VERSION (2, 35, 0)
g_type_init ();
#endif
if (argc != 4) {
g_printerr ("Error: expected 3 arguments (event, interface, address).\n");
exit (1);
}
event = argv[1];
iface = argv[2];
address = argv[3] ? argv[3] : "";
if (!event || !iface || !strlen (event) || !strlen (iface)) {
g_printerr ("Error: unexpected arguments received from avahi-autoipd.\n");
exit (1);
}
/* Get a connection to the system bus */
connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
if (error) {
char *remote_error = g_dbus_error_get_remote_error (error);
g_dbus_error_strip_remote_error (error);
g_printerr ("Error: could not get the system bus. Make sure "
"the message bus daemon is running! Message: (%s) %s\n",
remote_error, error->message);
g_free (remote_error);
g_error_free (error);
return 1;
}
/* Acquire the bus name */
loop = g_main_loop_new (NULL, FALSE);
g_bus_own_name_on_connection (connection,
NM_AVAHI_AUTOIPD_DBUS_SERVICE,
0,
on_name_acquired,
on_name_lost,
loop, NULL);
g_main_loop_run (loop);
g_main_loop_unref (loop);
/* Send the signal */
if (!g_dbus_connection_emit_signal (connection,
NULL,
"/",
NM_AVAHI_AUTOIPD_DBUS_INTERFACE,
"Event",
g_variant_new ("(sss)",
event,
iface,
address),
&error)) {
g_dbus_error_strip_remote_error (error);
g_printerr ("Error: Could not send autoipd Event signal: %s\n", error->message);
g_error_free (error);
return 1;
}
if (!g_dbus_connection_flush_sync (connection, NULL, &error)) {
g_dbus_error_strip_remote_error (error);
g_printerr ("Error: Could not flush D-Bus connection: %s\n", error->message);
g_error_free (error);
return 1;
}
g_object_unref (connection);
return 0;
}