/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 2; tab-width: 2 -*- */
/*
* Copyright 2009 Canonical Ltd.
*
* Authors:
* Cody Russell <crussell@canonical.com>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <errno.h>
#include <pwd.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
#include "dbus-shared-names.h"
#include "display-manager-client.h"
#include "users-service-dbus.h"
#include "accounts-service-client.h"
#include "consolekit-manager-client.h"
#include "consolekit-session-client.h"
#include "consolekit-seat-client.h"
#define CK_ADDR "org.freedesktop.ConsoleKit"
#define CK_SESSION_IFACE "org.freedesktop.ConsoleKit.Session"
static void users_service_dbus_class_init (UsersServiceDbusClass *klass);
static void users_service_dbus_init (UsersServiceDbus *self);
static void users_service_dbus_dispose (GObject *object);
static void users_service_dbus_finalize (GObject *object);
static void create_display_manager_proxy (UsersServiceDbus *self);
static void create_accounts_service_proxy (UsersServiceDbus *self);
static void create_seat_proxy (UsersServiceDbus *self);
static void create_ck_proxy (UsersServiceDbus *self);
static void create_cksession_proxy (UsersServiceDbus *self);
static gchar *get_seat (UsersServiceDbus *service);
static void user_added (DBusGProxy *proxy,
const gchar *user_id,
gpointer user_data);
static void user_deleted (DBusGProxy *proxy,
const gchar *user_id,
gpointer user_data);
static void user_changed (DBusGProxy *proxy,
gpointer user_data);
static void seat_proxy_session_added (DBusGProxy *seat_proxy,
const gchar *session_id,
UsersServiceDbus *service);
static void seat_proxy_session_removed (DBusGProxy *seat_proxy,
const gchar *session_id,
UsersServiceDbus *service);
static void sync_users (UsersServiceDbus *self);
static gboolean do_add_session (UsersServiceDbus *service,
UserData *user,
const gchar *ssid);
static gchar * get_seat_internal (DBusGProxy *proxy);
/* Private */
typedef struct _UsersServiceDbusPrivate UsersServiceDbusPrivate;
struct _UsersServiceDbusPrivate
{
GHashTable *users;
gint count;
gchar *seat;
gchar *ssid;
DBusGConnection *system_bus;
DBusGProxy *accounts_service_proxy;
DBusGProxy *display_manager_proxy;
DBusGProxy *ck_proxy;
DBusGProxy *seat_proxy;
DBusGProxy *session_proxy;
GHashTable *exclusions;
GHashTable *sessions;
DbusmenuMenuitem * guest_item;
gchar * guest_session_id;
};
#define USERS_SERVICE_DBUS_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), USERS_SERVICE_DBUS_TYPE, UsersServiceDbusPrivate))
/* Signals */
enum {
USER_ADDED,
USER_DELETED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
/* GObject Boilerplate */
G_DEFINE_TYPE (UsersServiceDbus, users_service_dbus, G_TYPE_OBJECT);
static void
users_service_dbus_class_init (UsersServiceDbusClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (object_class, sizeof (UsersServiceDbusPrivate));
object_class->dispose = users_service_dbus_dispose;
object_class->finalize = users_service_dbus_finalize;
signals[USER_ADDED] = g_signal_new ("user-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (UsersServiceDbusClass, user_added),
NULL, NULL,
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1, G_TYPE_STRING);
signals[USER_DELETED] = g_signal_new ("user-deleted",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (UsersServiceDbusClass, user_deleted),
NULL, NULL,
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1, G_TYPE_STRING);
}
static void
users_service_dbus_init (UsersServiceDbus *self)
{
GError *error = NULL;
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
priv->users = NULL;
priv->count = 0;
priv->guest_item = NULL;
priv->guest_session_id = NULL;
/* Get the system bus */
priv->system_bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error);
if (error != NULL)
{
g_error ("Unable to get system bus");
g_error_free(error);
return;
}
priv->sessions = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
g_free);
priv->users = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
NULL);
create_ck_proxy (self);
create_seat_proxy (self);
create_display_manager_proxy (self);
create_accounts_service_proxy (self);
}
static void
users_service_dbus_dispose (GObject *object)
{
G_OBJECT_CLASS (users_service_dbus_parent_class)->dispose (object);
}
static void
users_service_dbus_finalize (GObject *object)
{
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (object);
if (priv->guest_session_id != NULL) {
g_free(priv->guest_session_id);
priv->guest_session_id = NULL;
}
G_OBJECT_CLASS (users_service_dbus_parent_class)->finalize (object);
}
static void
create_display_manager_proxy (UsersServiceDbus *self)
{
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
DBusGProxy *dm_proxy = NULL;
GError *error = NULL;
const gchar *cookie = NULL;
gchar *seat = NULL;
cookie = g_getenv ("XDG_SESSION_COOKIE");
if (cookie == NULL || cookie[0] == 0)
{
g_warning ("Failed to get DisplayManager proxy: XDG_SESSION_COOKIE undefined.");
return;
}
dm_proxy = dbus_g_proxy_new_for_name (priv->system_bus,
"org.freedesktop.DisplayManager",
"/org/freedesktop/DisplayManager",
"org.freedesktop.DisplayManager");
if (!dm_proxy)
{
g_warning ("Failed to get DisplayManager proxy.");
return;
}
/* Now request the proper seat */
if (!dbus_g_proxy_call (dm_proxy, "GetSeatForCookie", &error,
G_TYPE_STRING, cookie, G_TYPE_INVALID,
DBUS_TYPE_G_OBJECT_PATH, &seat, G_TYPE_INVALID))
{
g_warning ("Failed to get DisplayManager seat proxy: %s", error->message);
g_object_unref (dm_proxy);
g_error_free (error);
return;
}
g_object_unref (dm_proxy);
priv->display_manager_proxy = dbus_g_proxy_new_for_name (priv->system_bus,
"org.freedesktop.DisplayManager",
seat,
"org.freedesktop.DisplayManager.Seat");
g_free (seat);
if (!priv->display_manager_proxy)
{
g_warning ("Failed to get DisplayManager seat proxy.");
return;
}
}
static void
create_accounts_service_proxy (UsersServiceDbus *self)
{
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
GPtrArray *users = g_ptr_array_new ();
GError *error = NULL;
priv->accounts_service_proxy = dbus_g_proxy_new_for_name (priv->system_bus,
"org.freedesktop.Accounts",
"/org/freedesktop/Accounts",
"org.freedesktop.Accounts");
dbus_g_proxy_add_signal (priv->accounts_service_proxy,
"UserAdded",
DBUS_TYPE_G_OBJECT_PATH,
G_TYPE_INVALID);
dbus_g_proxy_add_signal (priv->accounts_service_proxy,
"UserChanged",
DBUS_TYPE_G_OBJECT_PATH,
G_TYPE_INVALID);
dbus_g_proxy_add_signal (priv->accounts_service_proxy,
"UserDeleted",
DBUS_TYPE_G_OBJECT_PATH,
G_TYPE_INVALID);
dbus_g_proxy_connect_signal (priv->accounts_service_proxy,
"UserAdded",
G_CALLBACK (user_added),
self,
NULL);
dbus_g_proxy_connect_signal (priv->accounts_service_proxy,
"UserDeleted",
G_CALLBACK (user_deleted),
self,
NULL);
if (!org_freedesktop_Accounts_list_cached_users (priv->accounts_service_proxy,
&users,
&error))
{
g_warning ("failed to retrieve user count: %s", error->message);
g_error_free (error);
return;
}
priv->count = users->len;
g_ptr_array_free (users, TRUE);
sync_users (self);
}
static void
create_ck_proxy (UsersServiceDbus *self)
{
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
priv->ck_proxy = dbus_g_proxy_new_for_name (priv->system_bus,
"org.freedesktop.ConsoleKit",
"/org/freedesktop/ConsoleKit/Manager",
"org.freedesktop.ConsoleKit.Manager");
if (!priv->ck_proxy)
{
g_warning ("Failed to get ConsoleKit proxy.");
return;
}
}
/* Get the initial sessions when starting up */
static void
get_cksessions_cb (DBusGProxy *proxy, GPtrArray * sessions, GError * error, gpointer userdata)
{
if (error != NULL) {
g_warning("Unable to get initial sessions: %s", error->message);
return;
}
/* If there's no error we should at least get an
array of zero entries */
g_return_if_fail(sessions != NULL);
g_debug("Got %d initial sessions", sessions->len);
int i;
for (i = 0; i < sessions->len; i++) {
seat_proxy_session_added(proxy, g_ptr_array_index(sessions, i), USERS_SERVICE_DBUS(userdata));
}
return;
}
static void
create_seat_proxy (UsersServiceDbus *self)
{
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
GError *error = NULL;
priv->seat = get_seat (self);
if (priv->seat == NULL)
{
return;
}
priv->seat_proxy = dbus_g_proxy_new_for_name_owner (priv->system_bus,
"org.freedesktop.ConsoleKit",
priv->seat,
"org.freedesktop.ConsoleKit.Seat",
&error);
if (!priv->seat_proxy)
{
if (error != NULL)
{
g_warning ("Failed to connect to the ConsoleKit seat: %s", error->message);
g_error_free (error);
}
return;
}
dbus_g_proxy_add_signal (priv->seat_proxy,
"SessionAdded",
DBUS_TYPE_G_OBJECT_PATH,
G_TYPE_INVALID);
dbus_g_proxy_add_signal (priv->seat_proxy,
"SessionRemoved",
DBUS_TYPE_G_OBJECT_PATH,
G_TYPE_INVALID);
dbus_g_proxy_connect_signal (priv->seat_proxy,
"SessionAdded",
G_CALLBACK (seat_proxy_session_added),
self,
NULL);
dbus_g_proxy_connect_signal (priv->seat_proxy,
"SessionRemoved",
G_CALLBACK (seat_proxy_session_removed),
self,
NULL);
org_freedesktop_ConsoleKit_Seat_get_sessions_async (priv->seat_proxy, get_cksessions_cb, self);
return;
}
static void
create_cksession_proxy (UsersServiceDbus *service)
{
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service);
priv->session_proxy = dbus_g_proxy_new_for_name (priv->system_bus,
CK_ADDR,
priv->ssid,
CK_SESSION_IFACE);
if (!priv->session_proxy)
{
g_warning ("Failed to get ConsoleKit session proxy");
return;
}
}
static gchar *
get_seat (UsersServiceDbus *service)
{
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service);
GError *error = NULL;
gchar *ssid = NULL;
gchar *seat;
if (!dbus_g_proxy_call (priv->ck_proxy,
"GetCurrentSession",
&error,
G_TYPE_INVALID,
DBUS_TYPE_G_OBJECT_PATH,
&ssid,
G_TYPE_INVALID))
{
if (error)
{
g_debug ("Failed to call GetCurrentSession: %s", error->message);
g_error_free (error);
}
if (ssid)
g_free (ssid);
return NULL;
}
priv->ssid = ssid;
create_cksession_proxy (service);
seat = get_seat_internal (priv->session_proxy);
return seat;
}
static gchar *
get_seat_internal (DBusGProxy *proxy)
{
GError *error = NULL;
gchar *seat = NULL;
if (!org_freedesktop_ConsoleKit_Session_get_seat_id (proxy, &seat, &error))
{
if (error)
{
g_debug ("Failed to call GetSeatId: %s", error->message);
return NULL;
}
}
return seat;
}
static gboolean
get_unix_user (UsersServiceDbus *service,
const gchar *session_id,
uid_t *uidp)
{
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service);
GError *error = NULL;
guint uid;
DBusGProxy *session_proxy;
g_debug("Building session proxy for: %s", session_id);
session_proxy = dbus_g_proxy_new_for_name_owner(priv->system_bus,
CK_ADDR,
session_id,
CK_SESSION_IFACE,
&error);
if (error != NULL) {
g_warning("Unable to get CK Session proxy: %s", error->message);
g_error_free(error);
return FALSE;
}
if (!org_freedesktop_ConsoleKit_Session_get_unix_user(session_proxy, &uid, &error))
{
if (error)
{
g_warning ("Failed to call GetUnixUser: %s", error->message);
g_error_free (error);
}
g_object_unref(session_proxy);
return FALSE;
}
if (uidp != NULL)
{
*uidp = (uid_t)uid;
}
g_object_unref(session_proxy);
return TRUE;
}
static gboolean
do_add_session (UsersServiceDbus *service,
UserData *user,
const gchar *ssid)
{
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service);
GError *error = NULL;
gchar *seat = NULL;
gchar *xdisplay = NULL;
DBusGProxy * session_proxy;
GList *l;
session_proxy = dbus_g_proxy_new_for_name_owner(priv->system_bus,
CK_ADDR,
ssid,
CK_SESSION_IFACE,
&error);
if (error != NULL) {
g_warning("Unable to get CK Session proxy: %s", error->message);
g_error_free(error);
return FALSE;
}
seat = get_seat_internal (session_proxy);
if (!seat || !priv->seat || strcmp (seat, priv->seat) != 0) {
g_object_unref(session_proxy);
return FALSE;
}
if (!org_freedesktop_ConsoleKit_Session_get_x11_display (session_proxy, &xdisplay, &error))
{
if (error)
{
g_debug ("Failed to call GetX11Display: %s", error->message);
g_error_free (error);
}
g_object_unref(session_proxy);
return FALSE;
}
g_object_unref(session_proxy);
if (!xdisplay || xdisplay[0] == '\0')
return FALSE;
g_hash_table_insert (priv->sessions,
g_strdup (ssid),
g_strdup (user->user_name));
l = g_list_find_custom (user->sessions, ssid, (GCompareFunc)g_strcmp0);
if (l == NULL)
{
g_debug ("Adding session %s", ssid);
user->sessions = g_list_prepend (user->sessions, g_strdup (ssid));
if (user->menuitem != NULL) {
dbusmenu_menuitem_property_set_bool(user->menuitem, USER_ITEM_PROP_LOGGED_IN, TRUE);
}
}
else
{
g_debug ("User %s already has session %s", user->user_name, ssid);
}
return TRUE;
}
static void
add_sessions_for_user (UsersServiceDbus *self,
UserData *user)
{
g_return_if_fail (IS_USERS_SERVICE_DBUS(self));
g_debug ("!!!!!!!!!! - add_sessions_for_user %i %s",
(int)user->uid, user->user_name);
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
GError *error;
GPtrArray *sessions;
int i;
error = NULL;
if (!org_freedesktop_ConsoleKit_Manager_get_sessions_for_unix_user(priv->ck_proxy, user->uid, &sessions, &error))
{
g_debug ("Failed to call GetSessionsForUnixUser: %s", error->message);
g_error_free (error);
return;
}
for (i = 0; i < sessions->len; i++)
{
char *ssid;
ssid = g_ptr_array_index (sessions, i);
do_add_session (self, user, ssid);
}
g_ptr_array_foreach (sessions, (GFunc)g_free, NULL);
g_ptr_array_free (sessions, TRUE);
}
static void
seat_proxy_session_added (DBusGProxy *seat_proxy,
const gchar *session_id,
UsersServiceDbus *service)
{
g_return_if_fail(IS_USERS_SERVICE_DBUS(service));
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service);
uid_t uid;
struct passwd *pwent;
UserData *user;
if (!get_unix_user (service, session_id, &uid))
{
g_warning ("Failed to lookup user for session");
return;
}
errno = 0;
pwent = getpwuid (uid);
if (!pwent)
{
g_warning ("Failed to lookup user id %d: %s", (int)uid, g_strerror (errno));
return;
}
/* We need to special case guest here because it doesn't
show up in the GDM user tables. */
if (g_strcmp0("guest", pwent->pw_name) == 0) {
if (priv->guest_item != NULL) {
dbusmenu_menuitem_property_set_bool(priv->guest_item, USER_ITEM_PROP_LOGGED_IN, TRUE);
}
priv->guest_session_id = g_strdup(session_id);
g_debug("Found guest session: %s", priv->guest_session_id);
return;
}
user = users_service_dbus_get_user_by_username (service, pwent->pw_name);
if (!user)
return;
do_add_session (service, user, session_id);
}
static void
seat_proxy_session_removed (DBusGProxy *seat_proxy,
const gchar *session_id,
UsersServiceDbus *service)
{
g_return_if_fail(IS_USERS_SERVICE_DBUS(service));
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service);
UserData *user;
gchar *username;
GList *l;
username = g_hash_table_lookup (priv->sessions, session_id);
if (!username) {
if (g_strcmp0(session_id, priv->guest_session_id) == 0) {
g_debug("Removing guest session: %s", priv->guest_session_id);
if (priv->guest_item != NULL) {
dbusmenu_menuitem_property_set_bool(priv->guest_item, USER_ITEM_PROP_LOGGED_IN, FALSE);
}
g_free(priv->guest_session_id);
priv->guest_session_id = NULL;
}
return;
}
user = users_service_dbus_get_user_by_username (service, username);
if (!user)
return;
l = g_list_find_custom (user->sessions,
session_id,
(GCompareFunc)g_strcmp0);
if (l)
{
g_debug ("Removing session %s", session_id);
g_free (l->data);
user->sessions = g_list_delete_link (user->sessions, l);
if (user->menuitem != NULL && user->sessions == NULL) {
dbusmenu_menuitem_property_set_bool(user->menuitem, USER_ITEM_PROP_LOGGED_IN, FALSE);
}
}
else
{
g_debug ("Session not found: %s", session_id);
}
}
static void
sync_users (UsersServiceDbus *self)
{
g_return_if_fail(IS_USERS_SERVICE_DBUS(self));
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
if (priv->count > MINIMUM_USERS && priv->count < MAXIMUM_USERS)
{
GPtrArray *users = NULL;
GError *error = NULL;
gint i;
users = g_ptr_array_new ();
if (!org_freedesktop_Accounts_list_cached_users (priv->accounts_service_proxy,
&users,
&error))
{
g_warning ("failed to retrieve user list: %s", error->message);
g_error_free (error);
return;
}
for (i = 0; i < users->len; i++)
{
gchar *id;
DBusGProxy *proxy;
UserData *user;
GError *error = NULL;
id = g_ptr_array_index (users, i);
proxy = dbus_g_proxy_new_for_name (priv->system_bus,
"org.freedesktop.Accounts",
id,
"org.freedesktop.DBus.Properties");
GHashTable *properties;
if (!dbus_g_proxy_call (proxy, "GetAll", &error,
G_TYPE_STRING, "org.freedesktop.Accounts.User", G_TYPE_INVALID,
dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), &properties, G_TYPE_INVALID))
{
g_warning ("unable to retrieve user info: %s", error->message);
g_error_free (error);
continue;
}
user = g_hash_table_lookup (priv->users, id);
// Double check we havent processed this user already
if (user != NULL)
{
g_free(user->user_name);
g_free(user->real_name);
g_free(user->icon_file);
user->real_name_conflict = FALSE;
//continue;
}
else
{
user = g_new0 (UserData, 1);
}
// Can't subscribe to the Changed signal on each individual user path
// for some reason.
dbus_g_proxy_add_signal (proxy,
"Changed",
G_TYPE_INVALID);
dbus_g_proxy_connect_signal (proxy, "Changed",
G_CALLBACK(user_changed),
self,
NULL);
user->uid = g_value_get_uint64 (g_hash_table_lookup (properties, "Uid"));
user->user_name = g_strdup (g_value_get_string (g_hash_table_lookup (properties, "UserName")));
user->real_name = g_strdup (g_value_get_string (g_hash_table_lookup (properties, "RealName")));
user->icon_file = g_strdup (g_value_get_string (g_hash_table_lookup (properties, "IconFile")));
user->real_name_conflict = FALSE;
user->menuitem = NULL;
g_hash_table_unref (properties);
g_hash_table_insert (priv->users,
g_strdup (id),
user);
add_sessions_for_user (self, user);
}
g_ptr_array_free (users, TRUE);
}
}
static void
user_changed (DBusGProxy *proxy,
gpointer user_data)
{
g_debug ("JUST RESYNCED THE USERS FROM A USER CHANGE");
UsersServiceDbus *service = (UsersServiceDbus *)user_data;
sync_users (service);
}
static void
user_added (DBusGProxy *proxy,
const gchar *user_id,
gpointer user_data)
{
UsersServiceDbus *service = (UsersServiceDbus *)user_data;
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service);
priv->count++;
if (priv->count < MAXIMUM_USERS)
{
sync_users (service);
}
g_signal_emit (service,
signals[USER_ADDED],
0,
user_id);
}
static void
user_deleted (DBusGProxy *proxy,
const gchar *user_id,
gpointer user_data)
{
UsersServiceDbus *service = (UsersServiceDbus *)user_data;
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service);
priv->count--;
g_hash_table_remove (priv->users, user_id);
g_signal_emit (service,
signals[USER_DELETED],
0,
user_id);
}
UserData *
users_service_dbus_get_user_by_username (UsersServiceDbus *self,
const gchar *username)
{
GHashTableIter iter;
gpointer value;
g_return_val_if_fail(IS_USERS_SERVICE_DBUS(self), NULL);
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
g_hash_table_iter_init (&iter, priv->users);
while (g_hash_table_iter_next (&iter, NULL, &value))
{
UserData *user = value;
if (strcmp (user->user_name, username) == 0)
return user;
}
return NULL;
}
GList *
users_service_dbus_get_user_list (UsersServiceDbus *self)
{
g_return_val_if_fail(IS_USERS_SERVICE_DBUS(self), NULL);
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
return g_hash_table_get_values (priv->users);
}
gboolean
users_service_dbus_show_greeter (UsersServiceDbus *self)
{
g_return_val_if_fail(IS_USERS_SERVICE_DBUS(self), FALSE);
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
return org_freedesktop_DisplayManager_Seat_switch_to_greeter(priv->display_manager_proxy, NULL);
}
/* Activates the guest account if it can. */
gboolean
users_service_dbus_activate_guest_session (UsersServiceDbus *self)
{
g_return_val_if_fail(IS_USERS_SERVICE_DBUS(self), FALSE);
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
return org_freedesktop_DisplayManager_Seat_switch_to_guest(priv->display_manager_proxy, "", NULL);
}
/* Activates a specific user */
gboolean
users_service_dbus_activate_user_session (UsersServiceDbus *self,
UserData *user)
{
g_return_val_if_fail(IS_USERS_SERVICE_DBUS(self), FALSE);
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
return org_freedesktop_DisplayManager_Seat_switch_to_user(priv->display_manager_proxy, user->user_name, "", NULL);
}
gboolean
users_service_dbus_can_activate_session (UsersServiceDbus *self)
{
g_return_val_if_fail(IS_USERS_SERVICE_DBUS(self), FALSE);
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
gboolean can_activate = FALSE;
GError *error = NULL;
if (!priv->seat_proxy)
{
create_seat_proxy (self);
}
if (!priv->seat || priv->seat[0] == '\0')
{
return FALSE;
}
if (!dbus_g_proxy_call (priv->seat_proxy,
"CanActivateSessions",
&error,
G_TYPE_INVALID,
G_TYPE_BOOLEAN, &can_activate,
G_TYPE_INVALID))
{
g_warning ("Failed to determine if seat can activate sessions: %s", error->message);
g_error_free (error);
return FALSE;
}
return can_activate;
}
/* Sets the menu item that represents the guest account */
void
users_service_dbus_set_guest_item (UsersServiceDbus * self, DbusmenuMenuitem * mi)
{
g_return_if_fail(IS_USERS_SERVICE_DBUS(self));
UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self);
priv->guest_item = mi;
if (priv->guest_session_id != NULL) {
dbusmenu_menuitem_property_set_bool(priv->guest_item, USER_ITEM_PROP_LOGGED_IN, TRUE);
}
return;
}