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Diffstat (limited to 'src/users-service-dbus.c')
| -rw-r--r-- | src/users-service-dbus.c | 1046 |
1 files changed, 0 insertions, 1046 deletions
diff --git a/src/users-service-dbus.c b/src/users-service-dbus.c deleted file mode 100644 index 00836de..0000000 --- a/src/users-service-dbus.c +++ /dev/null @@ -1,1046 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 2; tab-width: 2 -*- */ -/* - * Copyright 2009 Canonical Ltd. - * - * Authors: - * Cody Russell <crussell@canonical.com> - * Charles Kerr <charles.kerr@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 <glib.h> - -#include <errno.h> - -#include <pwd.h> /* getpwuid() */ - -#include "dbus-accounts.h" -#include "dbus-login1-manager.h" -#include "dbus-login1-session.h" -#include "dbus-login1-user.h" -#include "dbus-display-manager.h" -#include "dbus-user.h" -#include "shared-names.h" -#include "users-service-dbus.h" - -#define LOGIND_ADDR "org.freedesktop.login1" - -/** -*** -**/ - -static void update_user_list (UsersServiceDbus * self); - -static gchar* get_seat (UsersServiceDbus * service); - -static void on_user_added (Accounts * o, - const gchar * user_object_path, - UsersServiceDbus * service); - -static void on_user_deleted (Accounts * o, - const gchar * user_object_path, - UsersServiceDbus * service); - -static void on_session_added (Login1Manager * proxy, - const gchar * ssid, - const gchar * path, - UsersServiceDbus * service); - -static void on_session_removed (Login1Manager * proxy, - const gchar * ssid, - const gchar * path, - UsersServiceDbus * service); - -static void on_session_list (Login1Manager * proxy, - GAsyncResult * result, - UsersServiceDbus * service); - -/*** -**** Priv Struct -***/ - -struct _UsersServiceDbusPrivate -{ - gchar * seat; - gchar * guest_ssid; - - /* ssid -> AccountsUser lookup */ - GHashTable * sessions; - - /* user object path -> AccountsUser lookup */ - GHashTable * users; - - GCancellable * cancellable; - Login1Manager * manager_proxy; - Accounts * accounts_proxy; -}; - -/*** -**** GObject -***/ - -enum -{ - USER_LIST_CHANGED, - USER_LOGGED_IN_CHANGED, - GUEST_LOGGED_IN_CHANGED, - N_SIGNALS -}; - -static guint signals[N_SIGNALS] = { 0 }; - -G_DEFINE_TYPE (UsersServiceDbus, users_service_dbus, G_TYPE_OBJECT); - -static void -users_service_dbus_dispose (GObject *object) -{ - UsersServiceDbusPrivate * priv = USERS_SERVICE_DBUS(object)->priv; - - g_clear_object (&priv->accounts_proxy); - g_clear_object (&priv->manager_proxy); - - if (priv->cancellable != NULL) - { - g_cancellable_cancel (priv->cancellable); - g_clear_object (&priv->cancellable); - } - - if (priv->users != NULL) - { - g_hash_table_destroy (priv->users); - priv->users = NULL; - } - - if (priv->sessions != NULL) - { - g_hash_table_destroy (priv->sessions); - priv->sessions = NULL; - } - - G_OBJECT_CLASS (users_service_dbus_parent_class)->dispose (object); -} - -static void -users_service_dbus_finalize (GObject *object) -{ - UsersServiceDbusPrivate * priv = USERS_SERVICE_DBUS(object)->priv; - - g_free (priv->guest_ssid); - g_free (priv->seat); - - G_OBJECT_CLASS (users_service_dbus_parent_class)->finalize (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_LIST_CHANGED] = g_signal_new ( - "user-list-changed", - G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (UsersServiceDbusClass, user_list_changed), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - signals[USER_LOGGED_IN_CHANGED] = g_signal_new ( - "user-logged-in-changed", - G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (UsersServiceDbusClass, user_logged_in_changed), - NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, G_TYPE_OBJECT); - - signals[GUEST_LOGGED_IN_CHANGED] = g_signal_new ( - "guest-logged-in-changed", - G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (UsersServiceDbusClass, guest_logged_in_changed), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); -} - -static void -users_service_dbus_init (UsersServiceDbus *self) -{ - GError * error = NULL; - - self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, - USERS_SERVICE_DBUS_TYPE, - UsersServiceDbusPrivate); - - UsersServiceDbusPrivate * p = self->priv; - - p->cancellable = g_cancellable_new (); - - /* ssid -> AccountsUser */ - p->sessions = g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - g_object_unref); - - /* user object path -> AccountsUser */ - p->users = g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - g_object_unref); - - /** - *** create the logind manager proxy... - **/ - - p->manager_proxy = login1_manager_proxy_new_for_bus_sync ( - G_BUS_TYPE_SYSTEM, - G_DBUS_PROXY_FLAGS_NONE, - "org.freedesktop.login1", - "/org/freedesktop/login1", - NULL, - &error); - if (error != NULL) - { - g_warning ("%s: %s", G_STRLOC, error->message); - g_clear_error (&error); - } - - p->seat = get_seat (self); - - g_signal_connect (p->manager_proxy, "session-new", - G_CALLBACK (on_session_added), self); - g_signal_connect (p->manager_proxy, "session-removed", - G_CALLBACK (on_session_removed), self); - - login1_manager_call_list_sessions (p->manager_proxy, p->cancellable, - (GAsyncReadyCallback) on_session_list, self); - - /** - *** create the accounts manager proxy... - **/ - - Accounts * proxy = accounts_proxy_new_for_bus_sync ( - G_BUS_TYPE_SYSTEM, - G_DBUS_PROXY_FLAGS_NONE, - "org.freedesktop.Accounts", - "/org/freedesktop/Accounts", - NULL, - &error); - if (error != NULL) - { - g_warning ("%s: %s", G_STRFUNC, error->message); - g_clear_error (&error); - } - else - { - g_signal_connect (proxy, "user-added", G_CALLBACK(on_user_added), self); - g_signal_connect (proxy, "user-deleted", G_CALLBACK(on_user_deleted), self); - p->accounts_proxy = proxy; - update_user_list (self); - } -} - -/*** -**** -***/ - -static void -emit_user_list_changed (UsersServiceDbus * self) -{ - g_signal_emit (self, signals[USER_LIST_CHANGED], 0); -} - -static void -emit_user_login_changed (UsersServiceDbus * self, AccountsUser * user) -{ - g_signal_emit (self, signals[USER_LOGGED_IN_CHANGED], 0, user); -} - -static void -emit_guest_login_changed (UsersServiceDbus * self) -{ - g_signal_emit (self, signals[GUEST_LOGGED_IN_CHANGED], 0); -} - -/*** -**** -***/ - -static Login1User* -create_login1_user_proxy (const char * path) -{ - - GError * error = NULL; - - Login1User * p = login1_user_proxy_new_for_bus_sync ( - G_BUS_TYPE_SYSTEM, - G_DBUS_PROXY_FLAGS_NONE, - LOGIND_ADDR, - path, - NULL, - &error); - if (error != NULL) - { - g_warning ("%s: %s", G_STRLOC, error->message); - g_error_free (error); - } - - return p; -} - -static Login1User * -create_login1_user_proxy_from_uid (UsersServiceDbus * self, - guint64 uid) -{ - Login1Manager * manager = self->priv->manager_proxy; - Login1User * user_proxy = NULL; - gchar * user_object_path = NULL; - GError * error = NULL; - - login1_manager_call_get_user_sync (manager, uid, &user_object_path, NULL, - &error); - - if (error != NULL) - { - g_warning ("%s: %s", G_STRLOC, error->message); - g_error_free (error); - } - - if (user_object_path != NULL) - user_proxy = create_login1_user_proxy (user_object_path); - - return user_proxy; - -} - -static Login1Session * -create_login1_session_proxy (const char * path) -{ - GError * error = NULL; - - Login1Session * p = login1_session_proxy_new_for_bus_sync ( - G_BUS_TYPE_SYSTEM, - G_DBUS_PROXY_FLAGS_NONE, - LOGIND_ADDR, - path, - NULL, - &error); - if (error != NULL) - { - g_warning ("%s: %s", G_STRLOC, error->message); - g_error_free (error); - } - - return p; -} - - -static gchar * -get_seat_from_session_proxy (Login1Session * session_proxy) -{ - gchar * seat; - GVariant * seatobj = login1_session_get_seat (session_proxy); - - g_variant_get (seatobj, "(so)", &seat, NULL); - - return seat; -} - -static const gchar * -get_display_from_session_proxy (Login1Session * session_proxy) -{ - const gchar * display; - display = login1_session_get_display (session_proxy); - return display; -} - -static gchar * -get_seat (UsersServiceDbus *service) -{ - gchar * seat = NULL; - gchar * path = NULL; - GError * error = NULL; - UsersServiceDbusPrivate * priv = service->priv; - Login1Session * session_proxy = NULL; - pid_t pid = getpid(); - - login1_manager_call_get_session_by_pid_sync (priv->manager_proxy, - pid, - &path, - NULL, - &error); - - - if (error != NULL) - { - g_debug ("%s: %s", G_STRLOC, error->message); - g_error_free (error); - goto out; - } - - session_proxy = create_login1_session_proxy (path); - - if (!session_proxy) - { - g_debug ("%s: Could't get session proxy object", G_STRLOC); - } - - seat = get_seat_from_session_proxy (session_proxy); - -out: - g_object_unref (session_proxy); - return seat; -} - -/*** -**** AccountsUser add-ons for tracking sessions -***/ - -static GHashTable* -user_get_sessions_hashset (AccountsUser * user) -{ - static GQuark q = 0; - - if (G_UNLIKELY(!q)) - { - q = g_quark_from_static_string ("sessions"); - } - - GObject * o = G_OBJECT (user); - GHashTable * h = g_object_get_qdata (o, q); - if (h == NULL) - { - h = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); - g_object_set_qdata_full (o, q, h, (GDestroyNotify)g_hash_table_destroy); - } - - return h; -} - -static void -user_add_session (AccountsUser * user, const char * ssid) -{ - g_hash_table_add (user_get_sessions_hashset(user), g_strdup(ssid)); -} - -static void -user_remove_session (AccountsUser * user, const char * ssid) -{ - g_hash_table_remove (user_get_sessions_hashset(user), ssid); -} - -static guint -user_count_sessions (AccountsUser * user) -{ - return g_hash_table_size (user_get_sessions_hashset(user)); -} - -/*** -**** Users -***/ - -/* adds this user session to the user's and service's session tables */ -static void -add_user_session (UsersServiceDbus * service, - AccountsUser * user, - const gchar * ssid, - const gchar * path) -{ - Login1Session * session_proxy = create_login1_session_proxy (path); - if (session_proxy != NULL) - { - UsersServiceDbusPrivate * priv = service->priv; - gchar * seat = get_seat_from_session_proxy (session_proxy); - - /* is this session in our seat? */ - if (seat && priv->seat && !g_strcmp0 (seat, priv->seat)) - { - /* does this session have a display? */ - const gchar * display = get_display_from_session_proxy (session_proxy); - const gboolean has_display = g_strcmp0 ("", display) != 0; - - if (has_display) - { - const gchar * username = accounts_user_get_user_name (user); - g_debug ("%s adding %s's session '%s' to our tables", - G_STRLOC, username, ssid); - - g_hash_table_insert (priv->sessions, - g_strdup (ssid), - g_object_ref (user)); - - user_add_session (user, ssid); - } - } - - g_free (seat); - g_object_unref (session_proxy); - } -} - -/* calls add_user_session() for each of this user's sessions */ -static void -add_user_sessions (UsersServiceDbus *self, AccountsUser * user) -{ - const guint64 uid = accounts_user_get_uid (user); - const char * username = accounts_user_get_user_name (user); - g_debug ("%s adding %s (%i)", G_STRLOC, username, (int)uid); - - GVariant * sessions = NULL; - - Login1User * user_proxy = create_login1_user_proxy_from_uid (self, uid); - - if (user_proxy != NULL) - { - sessions = login1_user_get_sessions (user_proxy); - } - - if (sessions != NULL) - { - GVariantIter iter; - g_variant_iter_init (&iter, sessions); - gchar * id; - gchar * object_path; - - while (g_variant_iter_loop (&iter, "(so)", &id, &object_path)) - { - g_debug ("%s adding %s's session %s", G_STRLOC, username, id); - add_user_session (self, user, id, object_path); - } - } - - g_object_unref (user_proxy); -} - -/* returns true if this property is one we use */ -static gboolean -is_interesting_user_property (const char * key) -{ - return !g_strcmp0 (key, "IconFile") - || !g_strcmp0 (key, "LoginFrequency") - || !g_strcmp0 (key, "RealName") - || !g_strcmp0 (key, "Uid") - || !g_strcmp0 (key, "UserName"); -} - -static void -sync_user_properties (GDBusProxy * source, GDBusProxy * target) -{ - gchar ** keys = g_dbus_proxy_get_cached_property_names (source); - - if (keys != NULL) - { - int i; - GVariantBuilder builder; - gboolean changed = FALSE; - g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}")); - - for (i=0; keys[i]; i++) - { - const gchar * const key = keys[i]; - - if (is_interesting_user_property (key)) - { - GVariant * oldval = g_dbus_proxy_get_cached_property (target, key); - GVariant * newval = g_dbus_proxy_get_cached_property (source, key); - - /* all the properties we're interested in are - basic types safe for g_variant_compare()... */ - g_assert (g_variant_type_is_basic(g_variant_get_type(newval))); - - if (g_variant_compare (oldval, newval)) - { - changed = TRUE; - g_dbus_proxy_set_cached_property (target, key, newval); - g_variant_builder_add (&builder, "{sv}", key, newval); - } - - g_variant_unref (newval); - g_variant_unref (oldval); - } - } - - if (changed) - { - g_signal_emit_by_name (target, "g-properties-changed", g_variant_builder_end(&builder), keys); - } - - g_variant_builder_clear (&builder); - g_strfreev (keys); - } -} - -/** - * The AccountsUserProxy's properties aren't being updated automatically - * for some reason... the only update we get is the 'changed' signal. - * This function is a workaround to update our User object's properties. - */ -static void -on_user_changed (AccountsUser * user, UsersServiceDbus * service) -{ - AccountsUser * tmp = accounts_user_proxy_new_for_bus_sync ( - G_BUS_TYPE_SYSTEM, - G_DBUS_PROXY_FLAGS_NONE, - "org.freedesktop.Accounts", - g_dbus_proxy_get_object_path (G_DBUS_PROXY(user)), - NULL, - NULL); - if (tmp != NULL) - { - sync_user_properties (G_DBUS_PROXY(tmp), G_DBUS_PROXY(user)); - g_object_unref (tmp); - } -} - -static void -add_user_from_object_path (UsersServiceDbus * self, - const char * user_object_path) -{ - GError * error = NULL; - - AccountsUser * user = accounts_user_proxy_new_for_bus_sync ( - G_BUS_TYPE_SYSTEM, - G_DBUS_PROXY_FLAGS_NONE, - "org.freedesktop.Accounts", - user_object_path, - NULL, - &error); - - if (error != NULL) - { - g_warning ("%s: %s", G_STRLOC, error->message); - g_clear_error (&error); - } - else - { - AccountsUser * prev = g_hash_table_lookup (self->priv->users, user_object_path); - - if (prev != NULL) /* we've already got this user... sync its properties */ - { - sync_user_properties (G_DBUS_PROXY(user), G_DBUS_PROXY(prev)); - g_object_unref (user); - user = prev; - } - else /* ooo, we got a new user */ - { - g_signal_connect (user, "changed", G_CALLBACK(on_user_changed), self); - g_hash_table_insert (self->priv->users, g_strdup(user_object_path), user); - } - - add_user_sessions (self, user); - } -} - - -/* asks org.freedesktop.Accounts for a list of users and - * calls add_user_from_object_path() on each of those users */ -static void -update_user_list (UsersServiceDbus *self) -{ - g_return_if_fail(IS_USERS_SERVICE_DBUS(self)); - - GError * error = NULL; - char ** object_paths = NULL; - UsersServiceDbusPrivate * priv = self->priv; - - accounts_call_list_cached_users_sync (priv->accounts_proxy, - &object_paths, - NULL, - &error); - - if (error != NULL) - { - g_warning ("%s: %s", G_STRFUNC, error->message); - g_clear_error (&error); - } - else if (object_paths != NULL) - { - gint i; - - for (i=0; object_paths[i] != NULL; ++i) - { - add_user_from_object_path (self, object_paths[i]); - } - - emit_user_list_changed (self); - - g_strfreev (object_paths); - } - - g_debug ("%s finished updating the user list", G_STRLOC); -} - -static void -on_user_added (Accounts * o G_GNUC_UNUSED, - const gchar * user_path G_GNUC_UNUSED, - UsersServiceDbus * service) -{ - /* We see a new user but we might not want to list it -- - for example, lightdm shows up when we switch to the greeter. - So instead of adding the user directly here, let's ask - org.freedesktop.Accounts for a fresh list of users - because it filters out special cases. */ - update_user_list (service); -} - -static void -on_user_deleted (Accounts * o G_GNUC_UNUSED, - const gchar * user_path, - UsersServiceDbus * service) -{ - AccountsUser * user = g_hash_table_lookup (service->priv->users, user_path); - - if (user != NULL) - { - GObject * o = g_object_ref (G_OBJECT(user)); - g_hash_table_remove (service->priv->users, user_path); - emit_user_list_changed (service); - g_object_unref (o); - } -} - -static AccountsUser * -find_user_from_username (UsersServiceDbus * self, - const gchar * username) -{ - AccountsUser * match = NULL; - - g_return_val_if_fail (IS_USERS_SERVICE_DBUS(self), match); - - gpointer user; - GHashTableIter iter; - g_hash_table_iter_init (&iter, self->priv->users); - while (!match && g_hash_table_iter_next (&iter, NULL, &user)) - { - if (!g_strcmp0 (username, accounts_user_get_user_name (user))) - { - match = user; - } - } - - return match; -} - -/*** -**** Sessions -***/ - -static void -on_session_removed (Login1Manager * proxy, - const gchar * ssid, - const gchar * path, - UsersServiceDbus * service) -{ - g_return_if_fail (IS_USERS_SERVICE_DBUS (service)); - - UsersServiceDbusPrivate * priv = service->priv; - g_debug ("%s %s() session removed %s", G_STRLOC, G_STRFUNC, ssid); - - if (!g_strcmp0 (ssid, priv->guest_ssid)) - { - g_debug ("%s removing guest session %s", G_STRLOC, ssid); - g_clear_pointer (&priv->guest_ssid, g_free); - emit_guest_login_changed (service); - } - else - { - AccountsUser * user = g_hash_table_lookup (priv->sessions, ssid); - if (user == NULL) - { - g_debug ("%s we're not tracking ssid %s", G_STRLOC, ssid); - } - else - { - GObject * o = g_object_ref (G_OBJECT(user)); - g_hash_table_remove (service->priv->users, ssid); - user_remove_session (user, ssid); - emit_user_login_changed (service, user); - g_object_unref (o); - } - } -} - -static gchar* -get_unix_username_from_path (UsersServiceDbus * self, - const gchar * path) -{ - - Login1Session * session_proxy = create_login1_session_proxy (path); - if (session_proxy != NULL) - { - gchar * username = g_strdup (login1_session_get_name (session_proxy)); - - g_debug ("%s Getting username for %s: %s", G_STRLOC, path, username); - - g_object_unref (session_proxy); - - return username; - } - else - { - return NULL; - } -} - -static gboolean -is_guest_username (const char * username) -{ - if (!g_strcmp0 (username, "guest")) - return TRUE; - - if (username && g_str_has_prefix (username, "guest-")) - return TRUE; - - return FALSE; -} - -/* If the new session belongs to 'guest', update our guest_ssid. - Otherwise, call add_user_session() to update our session tables */ -static void -on_session_added (Login1Manager * proxy G_GNUC_UNUSED, - const gchar * ssid, - const gchar * path, - UsersServiceDbus * service) -{ - g_return_if_fail (IS_USERS_SERVICE_DBUS(service)); - - gchar * username = get_unix_username_from_path (service, path); - g_debug ("%s %s() username %s has new session %s", G_STRLOC, G_STRFUNC, username, ssid); - - if (is_guest_username (username)) - { - /* handle guest as a special case -- it's not in the GDM - user tables and there isn't be an AccountsUser for it */ - g_debug("Found guest session: %s", ssid); - g_free (service->priv->guest_ssid); - service->priv->guest_ssid = g_strdup (ssid); - emit_guest_login_changed (service); - } - else - { - AccountsUser * user = find_user_from_username (service, username); - - if (user != NULL) - { - add_user_session (service, user, ssid, path); - emit_user_login_changed (service, user); - } - } - -} - -/* Receives a list of sessions and calls on_session_added() for each of them */ -static void -on_session_list (Login1Manager * proxy, - GAsyncResult * result, - UsersServiceDbus * self) -{ - GError * error = NULL; - GVariant * sessions; - g_debug ("%s bootstrapping the session list", G_STRLOC); - - login1_manager_call_list_sessions_finish (proxy, - &sessions, - result, - &error); - - if (error != NULL) - { - g_debug ("%s: %s", G_STRLOC, error->message); - g_error_free (error); - } - else - { - GVariantIter * iter; - gchar * seat; - gchar * path; - - g_variant_get (sessions, "a(susso)", &iter); - - while (g_variant_iter_loop (iter, - "(susso)", - NULL, - NULL, - NULL, - &seat, - &path)) - { - if (g_strcmp0 (seat, self->priv->seat) == 0) - { - g_debug ("%s adding initial session '%s'", G_STRLOC, path); - on_session_added (proxy, seat, path, self); - } - } - - g_variant_iter_free (iter); - g_variant_unref (sessions); - - } - - g_debug ("%s done bootstrapping the session list", G_STRLOC); -} - -static DisplayManagerSeat * -create_display_proxy (UsersServiceDbus * self) -{ - const gchar * const seat = g_getenv ("XDG_SEAT_PATH"); - g_debug ("%s creating a DisplayManager proxy for seat %s", G_STRLOC, seat); - - GError * error = NULL; - DisplayManagerSeat * p = display_manager_seat_proxy_new_for_bus_sync ( - G_BUS_TYPE_SYSTEM, - G_DBUS_PROXY_FLAGS_NONE, - "org.freedesktop.DisplayManager", - seat, - NULL, - &error); - - if (error != NULL) - { - g_warning ("%s: %s", G_STRLOC, error->message); - g_error_free (error); - } - - return p; -} - -/*** -**** Public API -***/ - -/** - * users_service_dbus_get_user_list: - * - * Returns: (transfer container): a list of AccountsUser objects - */ -GList * -users_service_dbus_get_user_list (UsersServiceDbus * self) -{ - g_return_val_if_fail(IS_USERS_SERVICE_DBUS(self), NULL); - - return g_hash_table_get_values (self->priv->users); -} - -/** - * users_service_dbus_show_greeter: - * - * Ask the Display Mnaager to switch to the greeter screen. - */ -void -users_service_dbus_show_greeter (UsersServiceDbus * self) -{ - DisplayManagerSeat * dp; - - g_return_if_fail (IS_USERS_SERVICE_DBUS(self)); - - dp = create_display_proxy (self); - if (dp != NULL) - { - display_manager_seat_call_switch_to_greeter_sync (dp, NULL, NULL); - g_clear_object (&dp); - } -} - -/** - * users_service_dbus_activate_guest_session: - * - * Activates the guest account. - */ -void -users_service_dbus_activate_guest_session (UsersServiceDbus * self) -{ - DisplayManagerSeat * dp; - - g_return_if_fail (IS_USERS_SERVICE_DBUS(self)); - - dp = create_display_proxy (self); - if (dp != NULL) - { - display_manager_seat_call_switch_to_guest_sync (dp, "", NULL, NULL); - g_clear_object (&dp); - } -} - -/** - * users_service_dbus_activate_user_session: - * - * Activates a specific user. - */ -void -users_service_dbus_activate_user_session (UsersServiceDbus * self, - AccountsUser * user) -{ - DisplayManagerSeat * dp; - - g_return_if_fail (IS_USERS_SERVICE_DBUS(self)); - - dp = create_display_proxy (self); - if (dp != NULL) - { - const char * const username = accounts_user_get_user_name (user); - display_manager_seat_call_switch_to_user_sync (dp, username, "", NULL, NULL); - g_clear_object (&dp); - } -} - -/** - * users_service_dbus_guest_session_enabled: - * - * Tells whether or not guest sessions are allowed. - */ -gboolean -users_service_dbus_guest_session_enabled (UsersServiceDbus * self) -{ - DisplayManagerSeat * dp; - gboolean enabled = FALSE; - - g_return_val_if_fail (IS_USERS_SERVICE_DBUS(self), enabled); - - dp = create_display_proxy (self); - if (dp != NULL) - { - enabled = display_manager_seat_get_has_guest_account (dp); - g_clear_object (&dp); - } - - return enabled; -} - -gboolean -users_service_dbus_is_guest_logged_in (UsersServiceDbus * self) -{ - g_return_val_if_fail (IS_USERS_SERVICE_DBUS(self), FALSE); - - return self->priv->guest_ssid != NULL; -} - -gboolean -users_service_dbus_is_user_logged_in (UsersServiceDbus * self, - AccountsUser * user) -{ - g_return_val_if_fail (IS_USERS_SERVICE_DBUS(self), FALSE); - g_return_val_if_fail (IS_ACCOUNTS_USER(user), FALSE); - - return user_count_sessions (user) > 0; -} |