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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2012 Giovanni Campagna <scampa.giovanni@gmail.com>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "gdm-dbus-util.h"
#include <gio/gunixsocketaddress.h>
/* a subset of org.freedesktop.DBus interface, to be used by internal servers */
static const char *dbus_introspection =
"<node name=\"/org/freedesktop/DBus\">"
" <interface name=\"org.freedesktop.DBus\">"
" <method name=\"AddMatch\">"
" <arg name=\"match_rule\" type=\"s\" direction=\"in\" />"
" </method>"
" </interface>"
"</node>";
static void
handle_bus_method (GDBusConnection *connection,
const char *sender,
const char *object_path,
const char *interface_name,
const char *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
g_dbus_method_invocation_return_value (invocation, NULL);
}
static gboolean
handle_connection (GDBusServer *server,
GDBusConnection *new_connection,
gpointer user_data)
{
GDBusInterfaceVTable bus_vtable = { handle_bus_method };
GDBusNodeInfo *bus_info;
bus_info = g_dbus_node_info_new_for_xml (dbus_introspection,
NULL);
g_debug ("GdmDBusServer: new connection %p", new_connection);
g_dbus_connection_register_object (new_connection,
"/org/freedesktop/DBus",
bus_info->interfaces[0],
&bus_vtable,
NULL, NULL, NULL);
g_dbus_node_info_unref (bus_info);
/* We're not handling the signal */
return FALSE;
}
/* Note: Use abstract sockets like dbus does by default on Linux. Abstract
* sockets are only available on Linux.
*/
static char *
generate_address (void)
{
char *path;
if (g_unix_socket_address_abstract_names_supported ()) {
int i;
char tmp[9];
for (i = 0; i < 8; i++) {
if (g_random_int_range (0, 2) == 0) {
tmp[i] = g_random_int_range ('a', 'z' + 1);
} else {
tmp[i] = g_random_int_range ('A', 'Z' + 1);
}
}
tmp[8] = '\0';
path = g_strdup_printf ("unix:abstract=/tmp/gdm-greeter-%s", tmp);
} else {
path = g_strdup ("unix:tmpdir=/tmp");
}
return path;
}
GDBusServer *
gdm_dbus_setup_private_server (GDBusAuthObserver *observer,
GError **error)
{
char *address, *guid;
GDBusServer *server;
address = generate_address ();
guid = g_dbus_generate_guid ();
server = g_dbus_server_new_sync (address,
G_DBUS_SERVER_FLAGS_NONE,
guid,
observer,
NULL,
error);
g_signal_connect (server, "new-connection",
G_CALLBACK (handle_connection),
NULL);
g_free (address);
g_free (guid);
return server;
}
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