1 files changed, 903 insertions, 0 deletions
diff --git a/mate-session/gsm-consolekit.c b/mate-session/gsm-consolekit.c
new file mode 100644
index 0000000..e8dd726
--- /dev/null
+++ b/mate-session/gsm-consolekit.c
@@ -0,0 +1,903 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 Jon McCann <[email protected]>
+ *
+ * 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, 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 "config.h"
+
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <glib.h>
+#include <glib-object.h>
+#include <glib/gi18n.h>
+
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-lowlevel.h>
+
+#include "gsm-marshal.h"
+#include "gsm-consolekit.h"
+
+#define CK_NAME "org.freedesktop.ConsoleKit"
+#define CK_PATH "/org/freedesktop/ConsoleKit"
+#define CK_INTERFACE "org.freedesktop.ConsoleKit"
+
+#define CK_MANAGER_PATH "/org/freedesktop/ConsoleKit/Manager"
+#define CK_MANAGER_INTERFACE "org.freedesktop.ConsoleKit.Manager"
+#define CK_SEAT_INTERFACE "org.freedesktop.ConsoleKit.Seat"
+#define CK_SESSION_INTERFACE "org.freedesktop.ConsoleKit.Session"
+
+#define GSM_CONSOLEKIT_GET_PRIVATE(o) \
+ (G_TYPE_INSTANCE_GET_PRIVATE ((o), GSM_TYPE_CONSOLEKIT, GsmConsolekitPrivate))
+
+struct _GsmConsolekitPrivate
+{
+ DBusGConnection *dbus_connection;
+ DBusGProxy *bus_proxy;
+ DBusGProxy *ck_proxy;
+ guint32 is_connected : 1;
+};
+
+enum {
+ PROP_0,
+ PROP_IS_CONNECTED
+};
+
+enum {
+ REQUEST_COMPLETED = 0,
+ PRIVILEGES_COMPLETED,
+ LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+static void gsm_consolekit_class_init (GsmConsolekitClass *klass);
+static void gsm_consolekit_init (GsmConsolekit *ck);
+static void gsm_consolekit_finalize (GObject *object);
+
+static void gsm_consolekit_free_dbus (GsmConsolekit *manager);
+
+static DBusHandlerResult gsm_consolekit_dbus_filter (DBusConnection *connection,
+ DBusMessage *message,
+ void *user_data);
+
+static void gsm_consolekit_on_name_owner_changed (DBusGProxy *bus_proxy,
+ const char *name,
+ const char *prev_owner,
+ const char *new_owner,
+ GsmConsolekit *manager);
+
+G_DEFINE_TYPE (GsmConsolekit, gsm_consolekit, G_TYPE_OBJECT);
+
+static void
+gsm_consolekit_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GsmConsolekit *manager = GSM_CONSOLEKIT (object);
+
+ switch (prop_id) {
+ case PROP_IS_CONNECTED:
+ g_value_set_boolean (value,
+ manager->priv->is_connected);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
+ prop_id,
+ pspec);
+ }
+}
+
+static void
+gsm_consolekit_class_init (GsmConsolekitClass *manager_class)
+{
+ GObjectClass *object_class;
+ GParamSpec *param_spec;
+
+ object_class = G_OBJECT_CLASS (manager_class);
+
+ object_class->finalize = gsm_consolekit_finalize;
+ object_class->get_property = gsm_consolekit_get_property;
+
+ param_spec = g_param_spec_boolean ("is-connected",
+ "Is connected",
+ "Whether the session is connected to ConsoleKit",
+ FALSE,
+ G_PARAM_READABLE);
+
+ g_object_class_install_property (object_class, PROP_IS_CONNECTED,
+ param_spec);
+
+ signals [REQUEST_COMPLETED] =
+ g_signal_new ("request-completed",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GsmConsolekitClass, request_completed),
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE,
+ 1, G_TYPE_POINTER);
+
+ signals [PRIVILEGES_COMPLETED] =
+ g_signal_new ("privileges-completed",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GsmConsolekitClass, privileges_completed),
+ NULL,
+ NULL,
+ gsm_marshal_VOID__BOOLEAN_BOOLEAN_POINTER,
+ G_TYPE_NONE,
+ 3, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN, G_TYPE_POINTER);
+
+ g_type_class_add_private (manager_class, sizeof (GsmConsolekitPrivate));
+}
+
+static DBusHandlerResult
+gsm_consolekit_dbus_filter (DBusConnection *connection,
+ DBusMessage *message,
+ void *user_data)
+{
+ GsmConsolekit *manager;
+
+ manager = GSM_CONSOLEKIT (user_data);
+
+ if (dbus_message_is_signal (message,
+ DBUS_INTERFACE_LOCAL, "Disconnected") &&
+ strcmp (dbus_message_get_path (message), DBUS_PATH_LOCAL) == 0) {
+ gsm_consolekit_free_dbus (manager);
+ return DBUS_HANDLER_RESULT_HANDLED;
+ }
+
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+static gboolean
+gsm_consolekit_ensure_ck_connection (GsmConsolekit *manager,
+ GError **error)
+{
+ GError *connection_error;
+ gboolean is_connected;
+
+ connection_error = NULL;
+
+ if (manager->priv->dbus_connection == NULL) {
+ DBusConnection *connection;
+
+ manager->priv->dbus_connection = dbus_g_bus_get (DBUS_BUS_SYSTEM,
+ &connection_error);
+
+ if (manager->priv->dbus_connection == NULL) {
+ g_propagate_error (error, connection_error);
+ is_connected = FALSE;
+ goto out;
+ }
+
+ connection = dbus_g_connection_get_connection (manager->priv->dbus_connection);
+ dbus_connection_set_exit_on_disconnect (connection, FALSE);
+ dbus_connection_add_filter (connection,
+ gsm_consolekit_dbus_filter,
+ manager, NULL);
+ }
+
+ if (manager->priv->bus_proxy == NULL) {
+ manager->priv->bus_proxy =
+ dbus_g_proxy_new_for_name_owner (manager->priv->dbus_connection,
+ DBUS_SERVICE_DBUS,
+ DBUS_PATH_DBUS,
+ DBUS_INTERFACE_DBUS,
+ &connection_error);
+
+ if (manager->priv->bus_proxy == NULL) {
+ g_propagate_error (error, connection_error);
+ is_connected = FALSE;
+ goto out;
+ }
+
+ dbus_g_proxy_add_signal (manager->priv->bus_proxy,
+ "NameOwnerChanged",
+ G_TYPE_STRING,
+ G_TYPE_STRING,
+ G_TYPE_STRING,
+ G_TYPE_INVALID);
+
+ dbus_g_proxy_connect_signal (manager->priv->bus_proxy,
+ "NameOwnerChanged",
+ G_CALLBACK (gsm_consolekit_on_name_owner_changed),
+ manager, NULL);
+ }
+
+ if (manager->priv->ck_proxy == NULL) {
+ manager->priv->ck_proxy =
+ dbus_g_proxy_new_for_name_owner (manager->priv->dbus_connection,
+ "org.freedesktop.ConsoleKit",
+ "/org/freedesktop/ConsoleKit/Manager",
+ "org.freedesktop.ConsoleKit.Manager",
+ &connection_error);
+
+ if (manager->priv->ck_proxy == NULL) {
+ g_propagate_error (error, connection_error);
+ is_connected = FALSE;
+ goto out;
+ }
+ }
+
+ is_connected = TRUE;
+
+ out:
+ if (manager->priv->is_connected != is_connected) {
+ manager->priv->is_connected = is_connected;
+ g_object_notify (G_OBJECT (manager), "is-connected");
+ }
+
+ if (!is_connected) {
+ if (manager->priv->dbus_connection == NULL) {
+ if (manager->priv->bus_proxy != NULL) {
+ g_object_unref (manager->priv->bus_proxy);
+ manager->priv->bus_proxy = NULL;
+ }
+
+ if (manager->priv->ck_proxy != NULL) {
+ g_object_unref (manager->priv->ck_proxy);
+ manager->priv->ck_proxy = NULL;
+ }
+ } else if (manager->priv->bus_proxy == NULL) {
+ if (manager->priv->ck_proxy != NULL) {
+ g_object_unref (manager->priv->ck_proxy);
+ manager->priv->ck_proxy = NULL;
+ }
+ }
+ }
+
+ return is_connected;
+}
+
+static void
+gsm_consolekit_on_name_owner_changed (DBusGProxy *bus_proxy,
+ const char *name,
+ const char *prev_owner,
+ const char *new_owner,
+ GsmConsolekit *manager)
+{
+ if (name != NULL && strcmp (name, "org.freedesktop.ConsoleKit") != 0) {
+ return;
+ }
+
+ if (manager->priv->ck_proxy != NULL) {
+ g_object_unref (manager->priv->ck_proxy);
+ manager->priv->ck_proxy = NULL;
+ }
+
+ gsm_consolekit_ensure_ck_connection (manager, NULL);
+}
+
+static void
+gsm_consolekit_init (GsmConsolekit *manager)
+{
+ GError *error;
+
+ manager->priv = GSM_CONSOLEKIT_GET_PRIVATE (manager);
+
+ error = NULL;
+
+ if (!gsm_consolekit_ensure_ck_connection (manager, &error)) {
+ g_warning ("Could not connect to ConsoleKit: %s",
+ error->message);
+ g_error_free (error);
+ }
+}
+
+static void
+gsm_consolekit_free_dbus (GsmConsolekit *manager)
+{
+ if (manager->priv->bus_proxy != NULL) {
+ g_object_unref (manager->priv->bus_proxy);
+ manager->priv->bus_proxy = NULL;
+ }
+
+ if (manager->priv->ck_proxy != NULL) {
+ g_object_unref (manager->priv->ck_proxy);
+ manager->priv->ck_proxy = NULL;
+ }
+
+ if (manager->priv->dbus_connection != NULL) {
+ DBusConnection *connection;
+ connection = dbus_g_connection_get_connection (manager->priv->dbus_connection);
+ dbus_connection_remove_filter (connection,
+ gsm_consolekit_dbus_filter,
+ manager);
+
+ dbus_g_connection_unref (manager->priv->dbus_connection);
+ manager->priv->dbus_connection = NULL;
+ }
+}
+
+static void
+gsm_consolekit_finalize (GObject *object)
+{
+ GsmConsolekit *manager;
+ GObjectClass *parent_class;
+
+ manager = GSM_CONSOLEKIT (object);
+
+ parent_class = G_OBJECT_CLASS (gsm_consolekit_parent_class);
+
+ gsm_consolekit_free_dbus (manager);
+
+ if (parent_class->finalize != NULL) {
+ parent_class->finalize (object);
+ }
+}
+
+GQuark
+gsm_consolekit_error_quark (void)
+{
+ static GQuark error_quark = 0;
+
+ if (error_quark == 0) {
+ error_quark = g_quark_from_static_string ("gsm-consolekit-error");
+ }
+
+ return error_quark;
+}
+
+GsmConsolekit *
+gsm_consolekit_new (void)
+{
+ GsmConsolekit *manager;
+
+ manager = g_object_new (GSM_TYPE_CONSOLEKIT, NULL);
+
+ return manager;
+}
+
+static void
+emit_restart_complete (GsmConsolekit *manager,
+ GError *error)
+{
+ GError *call_error;
+
+ call_error = NULL;
+
+ if (error != NULL) {
+ call_error = g_error_new_literal (GSM_CONSOLEKIT_ERROR,
+ GSM_CONSOLEKIT_ERROR_RESTARTING,
+ error->message);
+ }
+
+ g_signal_emit (G_OBJECT (manager),
+ signals [REQUEST_COMPLETED],
+ 0, call_error);
+
+ if (call_error != NULL) {
+ g_error_free (call_error);
+ }
+}
+
+static void
+emit_stop_complete (GsmConsolekit *manager,
+ GError *error)
+{
+ GError *call_error;
+
+ call_error = NULL;
+
+ if (error != NULL) {
+ call_error = g_error_new_literal (GSM_CONSOLEKIT_ERROR,
+ GSM_CONSOLEKIT_ERROR_STOPPING,
+ error->message);
+ }
+
+ g_signal_emit (G_OBJECT (manager),
+ signals [REQUEST_COMPLETED],
+ 0, call_error);
+
+ if (call_error != NULL) {
+ g_error_free (call_error);
+ }
+}
+
+void
+gsm_consolekit_attempt_restart (GsmConsolekit *manager)
+{
+ gboolean res;
+ GError *error;
+
+ error = NULL;
+
+ if (!gsm_consolekit_ensure_ck_connection (manager, &error)) {
+ g_warning ("Could not connect to ConsoleKit: %s",
+ error->message);
+ emit_restart_complete (manager, error);
+ g_error_free (error);
+ return;
+ }
+
+ res = dbus_g_proxy_call_with_timeout (manager->priv->ck_proxy,
+ "Restart",
+ INT_MAX,
+ &error,
+ G_TYPE_INVALID,
+ G_TYPE_INVALID);
+
+ if (!res) {
+ g_warning ("Unable to restart system: %s", error->message);
+ emit_restart_complete (manager, error);
+ g_error_free (error);
+ } else {
+ emit_restart_complete (manager, NULL);
+ }
+}
+
+void
+gsm_consolekit_attempt_stop (GsmConsolekit *manager)
+{
+ gboolean res;
+ GError *error;
+
+ error = NULL;
+
+ if (!gsm_consolekit_ensure_ck_connection (manager, &error)) {
+ g_warning ("Could not connect to ConsoleKit: %s",
+ error->message);
+ emit_stop_complete (manager, error);
+ g_error_free (error);
+ return;
+ }
+
+ res = dbus_g_proxy_call_with_timeout (manager->priv->ck_proxy,
+ "Stop",
+ INT_MAX,
+ &error,
+ G_TYPE_INVALID,
+ G_TYPE_INVALID);
+
+ if (!res) {
+ g_warning ("Unable to stop system: %s", error->message);
+ emit_stop_complete (manager, error);
+ g_error_free (error);
+ } else {
+ emit_stop_complete (manager, NULL);
+ }
+}
+
+static gboolean
+get_current_session_id (DBusConnection *connection,
+ char **session_id)
+{
+ DBusError local_error;
+ DBusMessage *message;
+ DBusMessage *reply;
+ gboolean ret;
+ DBusMessageIter iter;
+ const char *value;
+
+ ret = FALSE;
+ reply = NULL;
+
+ dbus_error_init (&local_error);
+ message = dbus_message_new_method_call (CK_NAME,
+ CK_MANAGER_PATH,
+ CK_MANAGER_INTERFACE,
+ "GetCurrentSession");
+ if (message == NULL) {
+ goto out;
+ }
+
+ dbus_error_init (&local_error);
+ reply = dbus_connection_send_with_reply_and_block (connection,
+ message,
+ -1,
+ &local_error);
+ if (reply == NULL) {
+ if (dbus_error_is_set (&local_error)) {
+ g_warning ("Unable to determine session: %s", local_error.message);
+ dbus_error_free (&local_error);
+ goto out;
+ }
+ }
+
+ dbus_message_iter_init (reply, &iter);
+ dbus_message_iter_get_basic (&iter, &value);
+ if (session_id != NULL) {
+ *session_id = g_strdup (value);
+ }
+
+ ret = TRUE;
+ out:
+ if (message != NULL) {
+ dbus_message_unref (message);
+ }
+ if (reply != NULL) {
+ dbus_message_unref (reply);
+ }
+
+ return ret;
+}
+
+static gboolean
+get_seat_id_for_session (DBusConnection *connection,
+ const char *session_id,
+ char **seat_id)
+{
+ DBusError local_error;
+ DBusMessage *message;
+ DBusMessage *reply;
+ gboolean ret;
+ DBusMessageIter iter;
+ const char *value;
+
+ ret = FALSE;
+ reply = NULL;
+
+ dbus_error_init (&local_error);
+ message = dbus_message_new_method_call (CK_NAME,
+ session_id,
+ CK_SESSION_INTERFACE,
+ "GetSeatId");
+ if (message == NULL) {
+ goto out;
+ }
+
+ dbus_error_init (&local_error);
+ reply = dbus_connection_send_with_reply_and_block (connection,
+ message,
+ -1,
+ &local_error);
+ if (reply == NULL) {
+ if (dbus_error_is_set (&local_error)) {
+ g_warning ("Unable to determine seat: %s", local_error.message);
+ dbus_error_free (&local_error);
+ goto out;
+ }
+ }
+
+ dbus_message_iter_init (reply, &iter);
+ dbus_message_iter_get_basic (&iter, &value);
+ if (seat_id != NULL) {
+ *seat_id = g_strdup (value);
+ }
+
+ ret = TRUE;
+ out:
+ if (message != NULL) {
+ dbus_message_unref (message);
+ }
+ if (reply != NULL) {
+ dbus_message_unref (reply);
+ }
+
+ return ret;
+}
+
+static char *
+get_current_seat_id (DBusConnection *connection)
+{
+ gboolean res;
+ char *session_id;
+ char *seat_id;
+
+ session_id = NULL;
+ seat_id = NULL;
+
+ res = get_current_session_id (connection, &session_id);
+ if (res) {
+ res = get_seat_id_for_session (connection, session_id, &seat_id);
+ }
+ g_free (session_id);
+
+ return seat_id;
+}
+
+void
+gsm_consolekit_set_session_idle (GsmConsolekit *manager,
+ gboolean is_idle)
+{
+ gboolean res;
+ GError *error;
+ char *session_id;
+ DBusMessage *message;
+ DBusMessage *reply;
+ DBusError dbus_error;
+ DBusMessageIter iter;
+
+ error = NULL;
+
+ if (!gsm_consolekit_ensure_ck_connection (manager, &error)) {
+ g_warning ("Could not connect to ConsoleKit: %s",
+ error->message);
+ g_error_free (error);
+ return;
+ }
+
+ session_id = NULL;
+ res = get_current_session_id (dbus_g_connection_get_connection (manager->priv->dbus_connection),
+ &session_id);
+ if (!res) {
+ goto out;
+ }
+
+
+ g_debug ("Updating ConsoleKit idle status: %d", is_idle);
+ message = dbus_message_new_method_call (CK_NAME,
+ session_id,
+ CK_SESSION_INTERFACE,
+ "SetIdleHint");
+ if (message == NULL) {
+ g_debug ("Couldn't allocate the D-Bus message");
+ return;
+ }
+
+ dbus_message_iter_init_append (message, &iter);
+ dbus_message_iter_append_basic (&iter, DBUS_TYPE_BOOLEAN, &is_idle);
+
+ /* FIXME: use async? */
+ dbus_error_init (&dbus_error);
+ reply = dbus_connection_send_with_reply_and_block (dbus_g_connection_get_connection (manager->priv->dbus_connection),
+ message,
+ -1,
+ &dbus_error);
+ dbus_message_unref (message);
+
+ if (reply != NULL) {
+ dbus_message_unref (reply);
+ }
+
+ if (dbus_error_is_set (&dbus_error)) {
+ g_debug ("%s raised:\n %s\n\n", dbus_error.name, dbus_error.message);
+ dbus_error_free (&dbus_error);
+ }
+
+out:
+ g_free (session_id);
+}
+
+static gboolean
+seat_can_activate_sessions (DBusConnection *connection,
+ const char *seat_id)
+{
+ DBusError local_error;
+ DBusMessage *message;
+ DBusMessage *reply;
+ DBusMessageIter iter;
+ gboolean can_activate;
+
+ can_activate = FALSE;
+ reply = NULL;
+
+ dbus_error_init (&local_error);
+ message = dbus_message_new_method_call (CK_NAME,
+ seat_id,
+ CK_SEAT_INTERFACE,
+ "CanActivateSessions");
+ if (message == NULL) {
+ goto out;
+ }
+
+ dbus_error_init (&local_error);
+ reply = dbus_connection_send_with_reply_and_block (connection,
+ message,
+ -1,
+ &local_error);
+ if (reply == NULL) {
+ if (dbus_error_is_set (&local_error)) {
+ g_warning ("Unable to activate session: %s", local_error.message);
+ dbus_error_free (&local_error);
+ goto out;
+ }
+ }
+
+ dbus_message_iter_init (reply, &iter);
+ dbus_message_iter_get_basic (&iter, &can_activate);
+
+ out:
+ if (message != NULL) {
+ dbus_message_unref (message);
+ }
+ if (reply != NULL) {
+ dbus_message_unref (reply);
+ }
+
+ return can_activate;
+}
+
+gboolean
+gsm_consolekit_can_switch_user (GsmConsolekit *manager)
+{
+ GError *error;
+ char *seat_id;
+ gboolean ret;
+
+ error = NULL;
+
+ if (!gsm_consolekit_ensure_ck_connection (manager, &error)) {
+ g_warning ("Could not connect to ConsoleKit: %s",
+ error->message);
+ g_error_free (error);
+ return FALSE;
+ }
+
+ seat_id = get_current_seat_id (dbus_g_connection_get_connection (manager->priv->dbus_connection));
+ if (seat_id == NULL || seat_id[0] == '\0') {
+ g_debug ("seat id is not set; can't switch sessions");
+ return FALSE;
+ }
+
+ ret = seat_can_activate_sessions (dbus_g_connection_get_connection (manager->priv->dbus_connection),
+ seat_id);
+ g_free (seat_id);
+
+ return ret;
+}
+
+gboolean
+gsm_consolekit_get_restart_privileges (GsmConsolekit *manager)
+{
+ g_signal_emit (G_OBJECT (manager),
+ signals [PRIVILEGES_COMPLETED],
+ 0, TRUE, TRUE, NULL);
+
+ return TRUE;
+}
+
+gboolean
+gsm_consolekit_get_stop_privileges (GsmConsolekit *manager)
+{
+ g_signal_emit (G_OBJECT (manager),
+ signals [PRIVILEGES_COMPLETED],
+ 0, TRUE, TRUE, NULL);
+
+ return TRUE;
+}
+
+gboolean
+gsm_consolekit_can_restart (GsmConsolekit *manager)
+{
+ gboolean res;
+ gboolean can_restart;
+ GError *error;
+
+ error = NULL;
+
+ if (!gsm_consolekit_ensure_ck_connection (manager, &error)) {
+ g_warning ("Could not connect to ConsoleKit: %s",
+ error->message);
+ g_error_free (error);
+ return FALSE;
+ }
+
+ res = dbus_g_proxy_call_with_timeout (manager->priv->ck_proxy,
+ "CanRestart",
+ INT_MAX,
+ &error,
+ G_TYPE_INVALID,
+ G_TYPE_BOOLEAN, &can_restart,
+ G_TYPE_INVALID);
+
+ return can_restart;
+}
+
+gboolean
+gsm_consolekit_can_stop (GsmConsolekit *manager)
+{
+ gboolean res;
+ gboolean can_stop;
+ GError *error;
+
+ error = NULL;
+
+ if (!gsm_consolekit_ensure_ck_connection (manager, &error)) {
+ g_warning ("Could not connect to ConsoleKit: %s",
+ error->message);
+ g_error_free (error);
+ return FALSE;
+ }
+
+ res = dbus_g_proxy_call_with_timeout (manager->priv->ck_proxy,
+ "CanStop",
+ INT_MAX,
+ &error,
+ G_TYPE_INVALID,
+ G_TYPE_BOOLEAN, &can_stop,
+ G_TYPE_INVALID);
+
+ return can_stop;
+}
+
+gchar *
+gsm_consolekit_get_current_session_type (GsmConsolekit *manager)
+{
+ GError *gerror;
+ DBusConnection *connection;
+ DBusError error;
+ DBusMessage *message = NULL;
+ DBusMessage *reply = NULL;
+ gchar *session_id;
+ gchar *ret;
+ DBusMessageIter iter;
+ const char *value;
+
+ session_id = NULL;
+ ret = NULL;
+ gerror = NULL;
+
+ if (!gsm_consolekit_ensure_ck_connection (manager, &gerror)) {
+ g_warning ("Could not connect to ConsoleKit: %s",
+ gerror->message);
+ g_error_free (gerror);
+ goto out;
+ }
+
+ connection = dbus_g_connection_get_connection (manager->priv->dbus_connection);
+ if (!get_current_session_id (connection, &session_id)) {
+ goto out;
+ }
+
+ dbus_error_init (&error);
+ message = dbus_message_new_method_call (CK_NAME,
+ session_id,
+ CK_SESSION_INTERFACE,
+ "GetSessionType");
+ if (message == NULL) {
+ goto out;
+ }
+
+ reply = dbus_connection_send_with_reply_and_block (connection,
+ message,
+ -1,
+ &error);
+
+ if (reply == NULL) {
+ if (dbus_error_is_set (&error)) {
+ g_warning ("Unable to determine session type: %s", error.message);
+ dbus_error_free (&error);
+ }
+ goto out;
+ }
+
+ dbus_message_iter_init (reply, &iter);
+ dbus_message_iter_get_basic (&iter, &value);
+ ret = g_strdup (value);
+
+out:
+ if (message != NULL) {
+ dbus_message_unref (message);
+ }
+ if (reply != NULL) {
+ dbus_message_unref (reply);
+ }
+ g_free (session_id);
+
+ return ret;
+}
+
+
+GsmConsolekit *
+gsm_get_consolekit (void)
+{
+ static GsmConsolekit *manager = NULL;
+
+ if (manager == NULL) {
+ manager = gsm_consolekit_new ();
+ }
+
+ return g_object_ref (manager);
+}