2 * Copyright (C) 2010-2011 Robert Ancell.
3 * Author: Robert Ancell <robert.ancell@canonical.com>
5 * This program is free software: you can redistribute it and/or modify it under
6 * the terms of the GNU General Public License as published by the Free Software
7 * Foundation, either version 3 of the License, or (at your option) any later
8 * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
17 #include "configuration.h"
18 #include "guest-account.h"
20 #include "session-config.h"
29 static guint signals[LAST_SIGNAL] = { 0 };
33 /* XDG name for this seat */
36 /* Configuration for this seat */
37 GHashTable *properties;
39 /* TRUE if this seat can run multiple sessions at once */
40 gboolean supports_multi_session;
42 /* TRUE if display server can be shared for sessions */
43 gboolean share_display_server;
45 /* The display servers on this seat */
46 GList *display_servers;
48 /* The sessions on this seat */
51 /* The last session set to active */
52 Session *active_session;
54 /* The session belonging to the active greeter user */
55 Session *next_session;
57 /* The session to set active when it starts */
58 Session *session_to_activate;
60 /* TRUE once we have started */
63 /* TRUE if stopping this seat (waiting for displays to stop) */
70 static void seat_logger_iface_init (LoggerInterface *iface);
72 G_DEFINE_TYPE_WITH_CODE (Seat, seat, G_TYPE_OBJECT,
73 G_IMPLEMENT_INTERFACE (
74 LOGGER_TYPE, seat_logger_iface_init));
81 static GHashTable *seat_modules = NULL;
83 // FIXME: Make a get_display_server() that re-uses display servers if supported
84 static DisplayServer *create_display_server (Seat *seat, Session *session);
85 static Greeter *create_greeter_session (Seat *seat);
86 static void start_session (Seat *seat, Session *session);
89 seat_register_module (const gchar *name, GType type)
94 seat_modules = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
96 g_debug ("Registered seat module %s", name);
98 module = g_malloc0 (sizeof (SeatModule));
99 module->name = g_strdup (name);
101 g_hash_table_insert (seat_modules, g_strdup (name), module);
105 seat_new (const gchar *module_name, const gchar *name)
108 SeatModule *m = NULL;
110 g_return_val_if_fail (module_name != NULL, NULL);
113 m = g_hash_table_lookup (seat_modules, module_name);
117 seat = g_object_new (m->type, NULL);
118 seat->priv->name = g_strdup (name);
124 seat_set_property (Seat *seat, const gchar *name, const gchar *value)
126 g_return_if_fail (seat != NULL);
127 g_hash_table_insert (seat->priv->properties, g_strdup (name), g_strdup (value));
131 seat_get_string_property (Seat *seat, const gchar *name)
133 g_return_val_if_fail (seat != NULL, NULL);
134 return g_hash_table_lookup (seat->priv->properties, name);
138 seat_get_string_list_property (Seat *seat, const gchar *name)
140 g_return_val_if_fail (seat != NULL, NULL);
141 return g_strsplit (g_hash_table_lookup (seat->priv->properties, name), ";", 0);
145 seat_get_boolean_property (Seat *seat, const gchar *name)
147 return g_strcmp0 (seat_get_string_property (seat, name), "true") == 0;
151 seat_get_integer_property (Seat *seat, const gchar *name)
155 value = seat_get_string_property (seat, name);
156 return value ? atoi (value) : 0;
160 seat_get_name (Seat *seat)
162 return seat->priv->name;
166 seat_set_supports_multi_session (Seat *seat, gboolean supports_multi_session)
168 g_return_if_fail (seat != NULL);
169 seat->priv->supports_multi_session = supports_multi_session;
173 seat_set_share_display_server (Seat *seat, gboolean share_display_server)
175 g_return_if_fail (seat != NULL);
176 seat->priv->share_display_server = share_display_server;
180 seat_start (Seat *seat)
182 g_return_val_if_fail (seat != NULL, FALSE);
184 l_debug (seat, "Starting");
186 SEAT_GET_CLASS (seat)->setup (seat);
187 seat->priv->started = SEAT_GET_CLASS (seat)->start (seat);
189 return seat->priv->started;
193 seat_get_sessions (Seat *seat)
195 g_return_val_if_fail (seat != NULL, NULL);
196 return seat->priv->sessions;
200 set_greeter_idle (gpointer greeter)
202 greeter_idle (GREETER (greeter));
207 seat_set_active_session (Seat *seat, Session *session)
211 g_return_if_fail (seat != NULL);
213 SEAT_GET_CLASS (seat)->set_active_session (seat, session);
215 /* Stop any greeters */
216 for (link = seat->priv->sessions; link; link = link->next)
218 Session *s = link->data;
220 if (s == session || session_get_is_stopping (s))
225 Greeter *greeter = GREETER (s);
226 if (greeter_get_resettable (greeter))
228 if (seat->priv->active_session == SESSION (greeter))
230 l_debug (seat, "Idling greeter");
231 /* Do this in an idle callback, because we might very well
232 be in the middle of responding to a START_SESSION
233 request by a greeter. So they won't expect an IDLE
234 call during that. Plus, this isn't time-sensitive. */
235 g_idle_add (set_greeter_idle, greeter);
240 l_debug (seat, "Stopping greeter");
246 /* Lock previous sessions */
247 if (seat->priv->active_session)
249 if (session != seat->priv->active_session && !IS_GREETER (seat->priv->active_session))
250 session_lock (seat->priv->active_session);
251 g_object_unref (seat->priv->active_session);
254 session_activate (session);
255 seat->priv->active_session = g_object_ref (session);
259 seat_get_active_session (Seat *seat)
261 g_return_val_if_fail (seat != NULL, NULL);
262 return SEAT_GET_CLASS (seat)->get_active_session (seat);
266 seat_get_next_session (Seat *seat)
268 g_return_val_if_fail (seat != NULL, NULL);
269 return seat->priv->next_session;
273 * Obtains the active session which lightdm expects to be active.
275 * This function is different from seat_get_active_session() in that the
276 * later (in the case of xlocal seats) dynamically finds the session that is
277 * really active (based on the active VT), whereas this function returns the
278 * session that lightdm activated last by itself, which may not be the actual
279 * active session (i.e. VT changes).
282 seat_get_expected_active_session (Seat *seat)
284 g_return_val_if_fail (seat != NULL, NULL);
285 return seat->priv->active_session;
289 * Sets the active session which lightdm expects to be active.
291 * This function is different from seat_set_active_session() in that the
292 * later performs an actual session activation, whereas this function just
293 * updates the active session after the session has been activated by some
294 * means external to lightdm (i.e. VT changes).
297 seat_set_externally_activated_session (Seat *seat, Session *session)
299 g_return_if_fail (seat != NULL);
300 if (seat->priv->active_session)
301 g_object_unref (seat->priv->active_session);
302 seat->priv->active_session = g_object_ref (session);
306 seat_find_session_by_login1_id (Seat *seat, const gchar *login1_session_id)
310 for (session_link = seat->priv->sessions; session_link; session_link = session_link->next)
312 Session *session = session_link->data;
313 if (g_strcmp0 (login1_session_id, session_get_login1_session_id (session)) == 0)
321 seat_get_can_switch (Seat *seat)
323 g_return_val_if_fail (seat != NULL, FALSE);
324 return seat_get_boolean_property (seat, "allow-user-switching") && seat->priv->supports_multi_session;
328 seat_get_allow_guest (Seat *seat)
330 g_return_val_if_fail (seat != NULL, FALSE);
331 return seat_get_boolean_property (seat, "allow-guest") && guest_account_is_installed ();
335 run_script (Seat *seat, DisplayServer *display_server, const gchar *script_name, User *user)
338 gboolean result = FALSE;
340 script = process_new (NULL, NULL);
342 process_set_command (script, script_name);
344 /* Set POSIX variables */
345 process_set_clear_environment (script, TRUE);
346 process_set_env (script, "SHELL", "/bin/sh");
348 /* Variables required for regression tests */
349 if (g_getenv ("LIGHTDM_TEST_ROOT"))
351 process_set_env (script, "LIGHTDM_TEST_ROOT", g_getenv ("LIGHTDM_TEST_ROOT"));
352 process_set_env (script, "LD_PRELOAD", g_getenv ("LD_PRELOAD"));
353 process_set_env (script, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
354 process_set_env (script, "PATH", g_getenv ("PATH"));
357 process_set_env (script, "PATH", "/usr/local/bin:/usr/bin:/bin");
361 process_set_env (script, "USER", user_get_name (user));
362 process_set_env (script, "LOGNAME", user_get_name (user));
363 process_set_env (script, "HOME", user_get_home_directory (user));
366 process_set_env (script, "HOME", "/");
368 SEAT_GET_CLASS (seat)->run_script (seat, display_server, script);
370 if (process_start (script, TRUE))
374 exit_status = process_get_exit_status (script);
375 if (WIFEXITED (exit_status))
377 l_debug (seat, "Exit status of %s: %d", script_name, WEXITSTATUS (exit_status));
378 result = WEXITSTATUS (exit_status) == EXIT_SUCCESS;
382 g_object_unref (script);
388 seat_real_run_script (Seat *seat, DisplayServer *display_server, Process *process)
393 emit_upstart_signal (const gchar *signal)
395 g_return_if_fail (signal != NULL);
396 g_return_if_fail (signal[0] != 0);
397 const gchar* argv[] = {"initctl", "-q", "emit", signal, "DISPLAY_MANAGER=lightdm", NULL};
402 /* OK if it fails, probably not installed or not running upstart */
403 g_spawn_async (NULL, argv, NULL,
404 G_SPAWN_SEARCH_PATH | G_SPAWN_STDERR_TO_DEV_NULL,
405 NULL, NULL, NULL, NULL);
409 check_stopped (Seat *seat)
411 if (seat->priv->stopping &&
412 !seat->priv->stopped &&
413 g_list_length (seat->priv->display_servers) == 0 &&
414 g_list_length (seat->priv->sessions) == 0)
416 seat->priv->stopped = TRUE;
417 l_debug (seat, "Stopped");
418 g_signal_emit (seat, signals[STOPPED], 0);
423 display_server_stopped_cb (DisplayServer *display_server, Seat *seat)
427 Session *active_session;
429 l_debug (seat, "Display server stopped");
431 /* Run a script right after stopping the display server */
432 script = seat_get_string_property (seat, "display-stopped-script");
434 run_script (seat, NULL, script, NULL);
436 g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
437 seat->priv->display_servers = g_list_remove (seat->priv->display_servers, display_server);
439 if (seat->priv->stopping || !seat->priv->started)
441 check_stopped (seat);
442 g_object_unref (display_server);
446 /* Stop all sessions on this display server */
447 list = g_list_copy (seat->priv->sessions);
448 for (link = list; link; link = link->next)
449 g_object_ref (link->data);
450 for (link = list; link; link = link->next)
452 Session *session = link->data;
454 if (session_get_display_server (session) != display_server || session_get_is_stopping (session))
457 /* Stop seat if this is the only display server and it failed to start a greeter */
458 if (IS_GREETER (session) &&
459 !session_get_is_started (session) &&
460 g_list_length (seat->priv->display_servers) == 0)
462 l_debug (seat, "Stopping; greeter display server failed to start");
466 l_debug (seat, "Stopping session");
467 session_stop (session);
469 g_list_free_full (list, g_object_unref);
471 if (!seat->priv->stopping)
473 /* If we were the active session, switch to a greeter */
474 active_session = seat_get_active_session (seat);
475 if (!active_session || session_get_display_server (active_session) == display_server)
477 l_debug (seat, "Active display server stopped, starting greeter");
478 if (!seat_switch_to_greeter (seat))
480 l_debug (seat, "Stopping; failed to start a greeter");
486 g_object_unref (display_server);
490 can_share_display_server (Seat *seat, DisplayServer *display_server)
492 return seat->priv->share_display_server && display_server_get_can_share (display_server);
496 find_greeter_session (Seat *seat)
500 for (link = seat->priv->sessions; link; link = link->next)
502 Session *session = link->data;
503 if (!session_get_is_stopping (session) && IS_GREETER (session))
504 return GREETER (session);
511 find_resettable_greeter (Seat *seat)
515 for (link = seat->priv->sessions; link; link = link->next)
517 Session *session = link->data;
518 if (!session_get_is_stopping (session) && IS_GREETER (session) &&
519 greeter_get_resettable (GREETER (session)))
520 return GREETER (session);
527 set_greeter_hints (Seat *seat, Greeter *greeter_session)
529 greeter_clear_hints (greeter_session);
530 greeter_set_hint (greeter_session, "default-session", seat_get_string_property (seat, "user-session"));
531 greeter_set_hint (greeter_session, "hide-users", seat_get_boolean_property (seat, "greeter-hide-users") ? "true" : "false");
532 greeter_set_hint (greeter_session, "show-manual-login", seat_get_boolean_property (seat, "greeter-show-manual-login") ? "true" : "false");
533 greeter_set_hint (greeter_session, "show-remote-login", seat_get_boolean_property (seat, "greeter-show-remote-login") ? "true" : "false");
534 greeter_set_hint (greeter_session, "has-guest-account", seat_get_allow_guest (seat) && seat_get_boolean_property (seat, "greeter-allow-guest") ? "true" : "false");
538 switch_to_greeter_from_failed_session (Seat *seat, Session *session)
540 Greeter *greeter_session;
541 gboolean existing = FALSE;
543 /* Switch to greeter if one open */
544 greeter_session = find_resettable_greeter (seat);
547 l_debug (seat, "Switching to existing greeter");
548 set_greeter_hints (seat, greeter_session);
553 greeter_session = create_greeter_session (seat);
556 if (session_get_is_guest (session))
557 greeter_set_hint (greeter_session, "select-guest", "true");
559 greeter_set_hint (greeter_session, "select-user", session_get_username (session));
563 greeter_reset (greeter_session);
564 seat_set_active_session (seat, SESSION (greeter_session));
568 if (seat->priv->session_to_activate)
569 g_object_unref (seat->priv->session_to_activate);
570 seat->priv->session_to_activate = g_object_ref (greeter_session);
572 if (can_share_display_server (seat, session_get_display_server (session)))
573 session_set_display_server (SESSION (greeter_session), session_get_display_server (session));
576 DisplayServer *display_server;
578 display_server = create_display_server (seat, session);
579 session_set_display_server (session, display_server);
580 if (!display_server_start (display_server))
582 l_debug (seat, "Failed to start display server for greeter");
587 start_session (seat, SESSION (greeter_session));
590 /* Stop failed session */
591 session_stop (session);
595 start_session (Seat *seat, Session *session)
597 /* Use system location for greeter log file */
598 if (IS_GREETER (session))
600 gchar *log_dir, *filename, *log_filename;
602 log_dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
603 filename = g_strdup_printf ("%s-greeter.log", display_server_get_name (session_get_display_server (session)));
604 log_filename = g_build_filename (log_dir, filename, NULL);
607 session_set_log_file (session, log_filename);
608 g_free (log_filename);
611 if (session_start (session))
614 if (IS_GREETER (session))
616 l_debug (seat, "Failed to start greeter");
617 display_server_stop (session_get_display_server (session));
621 l_debug (seat, "Failed to start session, starting greeter");
622 switch_to_greeter_from_failed_session (seat, session);
626 run_session (Seat *seat, Session *session)
630 if (IS_GREETER (session))
631 script = seat_get_string_property (seat, "greeter-setup-script");
633 script = seat_get_string_property (seat, "session-setup-script");
634 if (script && !run_script (seat, session_get_display_server (session), script, session_get_user (session)))
636 l_debug (seat, "Switching to greeter due to failed setup script");
637 switch_to_greeter_from_failed_session (seat, session);
641 if (!IS_GREETER (session))
643 g_signal_emit (seat, signals[RUNNING_USER_SESSION], 0, session);
644 emit_upstart_signal ("desktop-session-start");
647 session_run (session);
649 // FIXME: Wait until the session is ready
651 if (session == seat->priv->session_to_activate)
653 seat_set_active_session (seat, session);
654 g_object_unref (seat->priv->session_to_activate);
655 seat->priv->session_to_activate = NULL;
657 else if (seat->priv->active_session)
659 /* Multiple sessions can theoretically be on the same VT (especially
660 if using Mir). If a new session appears on an existing active VT,
661 logind will mark it as active, while ConsoleKit will re-mark the
662 oldest session as active. In either case, that may not be the
663 session that we want to be active. So let's be explicit and
664 re-activate the correct session whenever a new session starts.
665 There's no harm to do this in seats that enforce separate VTs. */
666 session_activate (seat->priv->active_session);
671 find_user_session (Seat *seat, const gchar *username, Session *ignore_session)
678 for (link = seat->priv->sessions; link; link = link->next)
680 Session *session = link->data;
682 if (session == ignore_session)
685 if (!session_get_is_stopping (session) && g_strcmp0 (session_get_username (session), username) == 0)
693 greeter_active_username_changed_cb (Greeter *greeter, GParamSpec *pspec, Seat *seat)
697 session = find_user_session (seat, greeter_get_active_username (greeter), seat->priv->active_session);
699 if (seat->priv->next_session)
700 g_object_unref (seat->priv->next_session);
701 seat->priv->next_session = session ? g_object_ref (session) : NULL;
703 SEAT_GET_CLASS (seat)->set_next_session (seat, session);
707 session_authentication_complete_cb (Session *session, Seat *seat)
709 if (session_get_is_authenticated (session))
713 s = find_user_session (seat, session_get_username (session), session);
716 l_debug (seat, "Session authenticated, switching to existing user session");
717 seat_set_active_session (seat, s);
718 session_stop (session);
722 l_debug (seat, "Session authenticated, running command");
723 run_session (seat, session);
726 else if (!IS_GREETER (session))
728 l_debug (seat, "Switching to greeter due to failed authentication");
729 switch_to_greeter_from_failed_session (seat, session);
733 l_debug (seat, "Stopping session that failed authentication");
734 session_stop (session);
739 session_stopped_cb (Session *session, Seat *seat)
741 DisplayServer *display_server;
743 l_debug (seat, "Session stopped");
745 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
746 seat->priv->sessions = g_list_remove (seat->priv->sessions, session);
747 if (session == seat->priv->active_session)
749 g_object_unref (seat->priv->active_session);
750 seat->priv->active_session = NULL;
752 if (session == seat->priv->next_session)
754 g_object_unref (seat->priv->next_session);
755 seat->priv->next_session = NULL;
757 if (session == seat->priv->session_to_activate)
759 g_object_unref (seat->priv->session_to_activate);
760 seat->priv->session_to_activate = NULL;
763 display_server = session_get_display_server (session);
766 g_object_unref (session);
771 if (!IS_GREETER (session))
774 script = seat_get_string_property (seat, "session-cleanup-script");
776 run_script (seat, display_server, script, session_get_user (session));
779 /* We were waiting for this session, but it didn't start :( */
780 // FIXME: Start a greeter on this?
781 if (session == seat->priv->session_to_activate)
783 g_object_unref (seat->priv->session_to_activate);
784 seat->priv->session_to_activate = NULL;
787 if (seat->priv->stopping)
789 check_stopped (seat);
790 g_object_unref (session);
794 /* If this is the greeter session then re-use this display server */
795 if (IS_GREETER (session) &&
796 can_share_display_server (seat, display_server) &&
797 greeter_get_start_session (GREETER (session)))
801 for (link = seat->priv->sessions; link; link = link->next)
803 Session *s = link->data;
805 /* Skip this session and sessions on other display servers */
806 if (s == session || session_get_display_server (s) != display_server || session_get_is_stopping (s))
809 if (session_get_is_authenticated (s))
811 l_debug (seat, "Greeter stopped, running session");
812 run_session (seat, s);
816 l_debug (seat, "Greeter stopped, starting session authentication");
817 start_session (seat, s);
822 /* If this is the greeter and nothing else is running then stop the seat */
823 else if (IS_GREETER (session) &&
824 !greeter_get_start_session (GREETER (session)) &&
825 g_list_length (seat->priv->display_servers) == 1 &&
826 g_list_nth_data (seat->priv->display_servers, 0) == display_server)
828 l_debug (seat, "Stopping; failed to start a greeter");
831 /* If we were the active session, switch to a greeter */
832 else if (!IS_GREETER (session) && session == seat_get_active_session (seat))
834 l_debug (seat, "Active session stopped, starting greeter");
835 if (!seat_switch_to_greeter (seat))
837 l_debug (seat, "Stopping; failed to start a greeter");
842 /* Stop the display server if no-longer required */
843 if (display_server && !display_server_get_is_stopping (display_server))
848 for (link = seat->priv->sessions; link; link = link->next)
850 Session *s = link->data;
853 if (session_get_display_server (s) == display_server)
858 l_debug (seat, "Stopping display server, no sessions require it");
859 display_server_stop (display_server);
863 g_signal_emit (seat, signals[SESSION_REMOVED], 0, session);
864 g_object_unref (session);
868 set_session_env (Session *session)
870 /* Connect using the session bus */
873 if (g_getenv ("DBUS_SESSION_BUS_ADDRESS"))
874 session_set_env (session, "DBUS_SESSION_BUS_ADDRESS", g_getenv ("DBUS_SESSION_BUS_ADDRESS"));
875 session_set_env (session, "LDM_BUS", "SESSION");
876 if (g_getenv ("LD_PRELOAD"))
877 session_set_env (session, "LD_PRELOAD", g_getenv ("LD_PRELOAD"));
878 if (g_getenv ("LD_LIBRARY_PATH"))
879 session_set_env (session, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
880 if (g_getenv ("PATH"))
881 session_set_env (session, "PATH", g_getenv ("PATH"));
884 /* Variables required for regression tests */
885 if (g_getenv ("LIGHTDM_TEST_ROOT"))
887 session_set_env (session, "LIGHTDM_TEST_ROOT", g_getenv ("LIGHTDM_TEST_ROOT"));
888 session_set_env (session, "DBUS_SYSTEM_BUS_ADDRESS", g_getenv ("DBUS_SYSTEM_BUS_ADDRESS"));
889 session_set_env (session, "DBUS_SESSION_BUS_ADDRESS", g_getenv ("DBUS_SESSION_BUS_ADDRESS"));
890 session_set_env (session, "LD_PRELOAD", g_getenv ("LD_PRELOAD"));
891 session_set_env (session, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
892 session_set_env (session, "GI_TYPELIB_PATH", g_getenv ("GI_TYPELIB_PATH"));
897 create_session (Seat *seat, gboolean autostart)
901 session = SEAT_GET_CLASS (seat)->create_session (seat);
902 seat->priv->sessions = g_list_append (seat->priv->sessions, session);
904 g_signal_connect (session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (session_authentication_complete_cb), seat);
905 g_signal_connect (session, SESSION_SIGNAL_STOPPED, G_CALLBACK (session_stopped_cb), seat);
907 set_session_env (session);
909 g_signal_emit (seat, signals[SESSION_ADDED], 0, session);
915 get_session_argv (Seat *seat, SessionConfig *session_config, const gchar *session_wrapper)
920 GError *error = NULL;
922 /* If configured, run sessions through a wrapper */
925 argv = g_malloc (sizeof (gchar *) * 3);
926 path = g_find_program_in_path (session_wrapper);
927 argv[0] = path ? path : g_strdup (session_wrapper);
928 argv[1] = g_strdup (session_config_get_command (session_config));
933 /* Split command into an array listing and make command absolute */
934 result = g_shell_parse_argv (session_config_get_command (session_config), &argc, &argv, &error);
936 l_debug (seat, "Invalid session command '%s': %s", session_config_get_command (session_config), error->message);
937 g_clear_error (&error);
940 path = g_find_program_in_path (argv[0]);
950 static SessionConfig *
951 find_session_config (Seat *seat, const gchar *sessions_dir, const gchar *session_name)
954 SessionConfig *session_config = NULL;
956 GError *error = NULL;
958 g_return_val_if_fail (sessions_dir != NULL, NULL);
959 g_return_val_if_fail (session_name != NULL, NULL);
961 dirs = g_strsplit (sessions_dir, ":", -1);
962 for (i = 0; dirs[i]; i++)
964 gchar *filename, *path;
966 filename = g_strdup_printf ("%s.desktop", session_name);
967 path = g_build_filename (dirs[i], filename, NULL);
969 session_config = session_config_new_from_file (path, &error);
974 if (dirs[i+1] == NULL)
975 l_debug (seat, "Failed to find session configuration %s", session_name);
976 g_clear_error (&error);
980 return session_config;
984 configure_session (Session *session, SessionConfig *config, const gchar *session_name, const gchar *language)
986 gchar **desktop_names;
988 session_set_config (session, config);
989 session_set_env (session, "XDG_SESSION_DESKTOP", session_name);
990 session_set_env (session, "DESKTOP_SESSION", session_name);
991 session_set_env (session, "GDMSESSION", session_name);
992 desktop_names = session_config_get_desktop_names (config);
996 value = g_strjoinv (":", desktop_names);
997 session_set_env (session, "XDG_CURRENT_DESKTOP", value);
1000 if (language && language[0] != '\0')
1002 session_set_env (session, "LANG", language);
1003 session_set_env (session, "GDM_LANG", language);
1008 create_user_session (Seat *seat, const gchar *username, gboolean autostart)
1011 gchar *sessions_dir;
1012 const gchar *session_name, *language;
1013 SessionConfig *session_config;
1014 Session *session = NULL;
1016 l_debug (seat, "Creating user session");
1018 /* Load user preferences */
1019 user = accounts_get_user_by_name (username);
1022 l_debug (seat, "Can't login unknown user '%s'", username);
1025 session_name = user_get_xsession (user);
1026 language = user_get_language (user);
1029 session_name = seat_get_string_property (seat, "user-session");
1030 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1031 session_config = find_session_config (seat, sessions_dir, session_name);
1032 g_free (sessions_dir);
1037 session = create_session (seat, autostart);
1038 configure_session (session, session_config, session_name, language);
1039 session_set_username (session, username);
1040 session_set_do_authenticate (session, TRUE);
1041 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1042 session_set_argv (session, argv);
1044 g_object_unref (session_config);
1047 l_debug (seat, "Can't find session '%s'", session_name);
1049 g_object_unref (user);
1055 prepend_argv (gchar ***argv, const gchar *value)
1057 gchar **old_argv, **new_argv;
1061 new_argv = g_malloc (sizeof (gchar *) * (g_strv_length (*argv) + 2));
1062 new_argv[0] = g_strdup (value);
1063 for (i = 0; old_argv[i]; i++)
1064 new_argv[i + 1] = old_argv[i];
1065 new_argv[i + 1] = NULL;
1072 create_guest_session (Seat *seat, const gchar *session_name)
1074 const gchar *guest_wrapper;
1075 gchar *sessions_dir, **argv;
1076 SessionConfig *session_config;
1080 session_name = seat_get_string_property (seat, "guest-session");
1082 session_name = seat_get_string_property (seat, "user-session");
1083 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1084 session_config = find_session_config (seat, sessions_dir, session_name);
1085 g_free (sessions_dir);
1086 if (!session_config)
1088 l_debug (seat, "Can't find session '%s'", session_name);
1092 session = create_session (seat, TRUE);
1093 configure_session (session, session_config, session_name, NULL);
1094 session_set_do_authenticate (session, TRUE);
1095 session_set_is_guest (session, TRUE);
1096 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1097 guest_wrapper = seat_get_string_property (seat, "guest-wrapper");
1101 path = g_find_program_in_path (guest_wrapper);
1102 prepend_argv (&argv, path ? path : guest_wrapper);
1106 session_set_argv (session, argv);
1108 g_object_unref (session_config);
1114 greeter_create_session_cb (Greeter *greeter, Seat *seat)
1118 session = create_session (seat, FALSE);
1119 session_set_config (session, session_get_config (SESSION (greeter)));
1120 session_set_display_server (session, session_get_display_server (SESSION (greeter)));
1122 return g_object_ref (session);
1126 greeter_start_session_cb (Greeter *greeter, SessionType type, const gchar *session_name, Seat *seat)
1128 Session *session, *existing_session;
1129 const gchar *username;
1130 DisplayServer *display_server;
1132 /* Get the session to use */
1133 if (greeter_get_guest_authenticated (greeter))
1135 session = create_guest_session (seat, session_name);
1138 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1142 const gchar *language = NULL;
1143 SessionConfig *session_config;
1145 gchar *sessions_dir = NULL;
1148 session = greeter_get_authentication_session (greeter);
1150 /* Get session command to run */
1153 case SESSION_TYPE_LOCAL:
1154 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1156 case SESSION_TYPE_REMOTE:
1157 sessions_dir = config_get_string (config_get_instance (), "LightDM", "remote-sessions-directory");
1161 /* Load user preferences */
1162 user = session_get_user (session);
1166 session_name = user_get_xsession (user);
1167 language = user_get_language (user);
1171 session_name = seat_get_string_property (seat, "user-session");
1173 user_set_xsession (session_get_user (session), session_name);
1175 session_config = find_session_config (seat, sessions_dir, session_name);
1176 g_free (sessions_dir);
1177 if (!session_config)
1179 l_debug (seat, "Can't find session '%s'", session_name);
1183 configure_session (session, session_config, session_name, language);
1184 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1185 session_set_argv (session, argv);
1187 g_object_unref (session_config);
1190 /* Switch to this session when it is ready */
1191 if (seat->priv->session_to_activate)
1192 g_object_unref (seat->priv->session_to_activate);
1193 seat->priv->session_to_activate = g_object_ref (session);
1195 /* Return to existing session if it is open */
1196 username = session_get_username (session);
1197 existing_session = find_user_session (seat, username, NULL);
1198 if (existing_session && session != existing_session)
1200 l_debug (seat, "Returning to existing user session %s", username);
1201 session_stop (session);
1202 session_unlock (existing_session);
1203 seat_set_active_session (seat, existing_session);
1207 /* If can re-use the display server, stop the greeter first */
1208 display_server = session_get_display_server (SESSION (greeter));
1209 if (!greeter_get_resettable (greeter) &&
1210 can_share_display_server (seat, display_server) &&
1211 strcmp (display_server_get_session_type (display_server), session_get_session_type (session)) == 0)
1213 l_debug (seat, "Stopping greeter; display server will be re-used for user session");
1215 /* Run on the same display server after the greeter has stopped */
1216 session_set_display_server (session, display_server);
1218 /* Stop the greeter */
1219 session_stop (SESSION (greeter));
1223 /* Otherwise start a new display server for this session */
1226 display_server = create_display_server (seat, session);
1227 session_set_display_server (session, display_server);
1228 if (!display_server_start (display_server))
1230 l_debug (seat, "Failed to start display server for new session");
1239 create_greeter_session (Seat *seat)
1241 gchar *sessions_dir, **argv;
1242 SessionConfig *session_config;
1243 Greeter *greeter_session;
1244 const gchar *greeter_wrapper;
1245 const gchar *autologin_username;
1246 int autologin_timeout;
1247 gboolean autologin_guest;
1249 l_debug (seat, "Creating greeter session");
1251 sessions_dir = config_get_string (config_get_instance (), "LightDM", "greeters-directory");
1252 session_config = find_session_config (seat, sessions_dir, seat_get_string_property (seat, "greeter-session"));
1253 g_free (sessions_dir);
1254 if (!session_config)
1257 argv = get_session_argv (seat, session_config, NULL);
1258 greeter_wrapper = seat_get_string_property (seat, "greeter-wrapper");
1259 if (greeter_wrapper)
1262 path = g_find_program_in_path (greeter_wrapper);
1263 prepend_argv (&argv, path ? path : greeter_wrapper);
1267 greeter_session = SEAT_GET_CLASS (seat)->create_greeter_session (seat);
1268 session_set_config (SESSION (greeter_session), session_config);
1269 seat->priv->sessions = g_list_append (seat->priv->sessions, SESSION (greeter_session));
1270 g_signal_connect (greeter_session, GREETER_SIGNAL_ACTIVE_USERNAME_CHANGED, G_CALLBACK (greeter_active_username_changed_cb), seat);
1271 g_signal_connect (greeter_session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (session_authentication_complete_cb), seat);
1272 g_signal_connect (greeter_session, SESSION_SIGNAL_STOPPED, G_CALLBACK (session_stopped_cb), seat);
1274 set_session_env (SESSION (greeter_session));
1275 session_set_env (SESSION (greeter_session), "XDG_SESSION_CLASS", "greeter");
1277 session_set_pam_service (SESSION (greeter_session), seat_get_string_property (seat, "pam-greeter-service"));
1280 gchar *greeter_user;
1281 greeter_user = config_get_string (config_get_instance (), "LightDM", "greeter-user");
1282 session_set_username (SESSION (greeter_session), greeter_user);
1283 g_free (greeter_user);
1287 /* In test mode run the greeter as ourself */
1288 session_set_username (SESSION (greeter_session), user_get_name (accounts_get_current_user ()));
1290 session_set_argv (SESSION (greeter_session), argv);
1293 greeter_set_pam_services (greeter_session,
1294 seat_get_string_property (seat, "pam-service"),
1295 seat_get_string_property (seat, "pam-autologin-service"));
1296 g_signal_connect (greeter_session, GREETER_SIGNAL_CREATE_SESSION, G_CALLBACK (greeter_create_session_cb), seat);
1297 g_signal_connect (greeter_session, GREETER_SIGNAL_START_SESSION, G_CALLBACK (greeter_start_session_cb), seat);
1299 /* Set hints to greeter */
1300 greeter_set_allow_guest (greeter_session, seat_get_allow_guest (seat));
1301 set_greeter_hints (seat, greeter_session);
1303 /* Configure for automatic login */
1304 autologin_username = seat_get_string_property (seat, "autologin-user");
1305 if (g_strcmp0 (autologin_username, "") == 0)
1306 autologin_username = NULL;
1307 autologin_timeout = seat_get_integer_property (seat, "autologin-user-timeout");
1308 autologin_guest = seat_get_boolean_property (seat, "autologin-guest");
1309 if (autologin_timeout > 0)
1313 value = g_strdup_printf ("%d", autologin_timeout);
1314 greeter_set_hint (greeter_session, "autologin-timeout", value);
1316 if (autologin_username)
1317 greeter_set_hint (greeter_session, "autologin-user", autologin_username);
1318 if (autologin_guest)
1319 greeter_set_hint (greeter_session, "autologin-guest", "true");
1322 g_object_unref (session_config);
1324 return greeter_session;
1328 find_session_for_display_server (Seat *seat, DisplayServer *display_server)
1332 for (link = seat->priv->sessions; link; link = link->next)
1334 Session *session = link->data;
1335 if (session_get_display_server (session) == display_server && !session_get_is_stopping (session))
1343 display_server_ready_cb (DisplayServer *display_server, Seat *seat)
1345 const gchar *script;
1348 /* Run setup script */
1349 script = seat_get_string_property (seat, "display-setup-script");
1350 if (script && !run_script (seat, display_server, script, NULL))
1352 l_debug (seat, "Stopping display server due to failed setup script");
1353 display_server_stop (display_server);
1357 emit_upstart_signal ("login-session-start");
1359 /* Start the session waiting for this display server */
1360 session = find_session_for_display_server (seat, display_server);
1363 if (session_get_is_authenticated (session))
1365 l_debug (seat, "Display server ready, running session");
1366 run_session (seat, session);
1370 l_debug (seat, "Display server ready, starting session authentication");
1371 start_session (seat, session);
1376 l_debug (seat, "Stopping not required display server");
1377 display_server_stop (display_server);
1381 static DisplayServer *
1382 create_display_server (Seat *seat, Session *session)
1384 DisplayServer *display_server;
1386 l_debug (seat, "Creating display server of type %s", session_get_session_type (session));
1388 display_server = SEAT_GET_CLASS (seat)->create_display_server (seat, session);
1389 if (!display_server)
1392 seat->priv->display_servers = g_list_append (seat->priv->display_servers, display_server);
1393 g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_READY, G_CALLBACK (display_server_ready_cb), seat);
1394 g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (display_server_stopped_cb), seat);
1396 return display_server;
1400 seat_switch_to_greeter (Seat *seat)
1402 Greeter *greeter_session;
1403 DisplayServer *display_server;
1405 g_return_val_if_fail (seat != NULL, FALSE);
1407 if (!seat_get_can_switch (seat))
1410 /* Switch to greeter if one open */
1411 greeter_session = find_greeter_session (seat);
1412 if (greeter_session)
1414 l_debug (seat, "Switching to existing greeter");
1415 seat_set_active_session (seat, SESSION (greeter_session));
1419 greeter_session = create_greeter_session (seat);
1420 if (!greeter_session)
1423 if (seat->priv->session_to_activate)
1424 g_object_unref (seat->priv->session_to_activate);
1425 seat->priv->session_to_activate = g_object_ref (greeter_session);
1427 display_server = create_display_server (seat, SESSION (greeter_session));
1428 session_set_display_server (SESSION (greeter_session), display_server);
1430 return display_server_start (display_server);
1434 switch_authentication_complete_cb (Session *session, Seat *seat)
1436 Greeter *greeter_session;
1437 DisplayServer *display_server;
1438 gboolean existing = FALSE;
1440 /* If authenticated, then unlock existing session or start new one */
1441 if (session_get_is_authenticated (session))
1445 s = find_user_session (seat, session_get_username (session), session);
1448 l_debug (seat, "Session authenticated, switching to existing user session");
1450 seat_set_active_session (seat, s);
1451 session_stop (session);
1455 l_debug (seat, "Session authenticated, starting display server");
1456 if (seat->priv->session_to_activate)
1457 g_object_unref (seat->priv->session_to_activate);
1458 seat->priv->session_to_activate = g_object_ref (session);
1459 display_server = create_display_server (seat, session);
1460 session_set_display_server (session, display_server);
1461 display_server_start (display_server);
1467 session_stop (session);
1469 /* See if we already have a greeter up and reuse it if so */
1470 greeter_session = find_resettable_greeter (seat);
1471 if (greeter_session)
1473 l_debug (seat, "Switching to existing greeter to authenticate session");
1474 set_greeter_hints (seat, greeter_session);
1479 l_debug (seat, "Starting greeter to authenticate session");
1480 greeter_session = create_greeter_session (seat);
1483 if (session_get_is_guest (session))
1484 greeter_set_hint (greeter_session, "select-guest", "true");
1486 greeter_set_hint (greeter_session, "select-user", session_get_username (session));
1490 greeter_reset (greeter_session);
1491 seat_set_active_session (seat, SESSION (greeter_session));
1495 if (seat->priv->session_to_activate)
1496 g_object_unref (seat->priv->session_to_activate);
1497 seat->priv->session_to_activate = g_object_ref (greeter_session);
1499 display_server = create_display_server (seat, SESSION (greeter_session));
1500 session_set_display_server (SESSION (greeter_session), display_server);
1501 display_server_start (display_server);
1506 seat_switch_to_user (Seat *seat, const gchar *username, const gchar *session_name)
1510 g_return_val_if_fail (seat != NULL, FALSE);
1511 g_return_val_if_fail (username != NULL, FALSE);
1513 if (!seat_get_can_switch (seat))
1516 /* If we're already on this session, then ignore */
1517 session = find_user_session (seat, username, NULL);
1518 if (session && session == seat->priv->active_session)
1521 l_debug (seat, "Switching to user %s", username);
1523 /* Attempt to authenticate them */
1524 session = create_user_session (seat, username, FALSE);
1525 g_signal_connect (session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (switch_authentication_complete_cb), seat);
1526 session_set_pam_service (session, seat_get_string_property (seat, "pam-service"));
1528 return session_start (session);
1532 find_guest_session (Seat *seat)
1536 for (link = seat->priv->sessions; link; link = link->next)
1538 Session *session = link->data;
1539 if (!session_get_is_stopping (session) && session_get_is_guest (session))
1547 seat_switch_to_guest (Seat *seat, const gchar *session_name)
1550 DisplayServer *display_server;
1552 g_return_val_if_fail (seat != NULL, FALSE);
1554 if (!seat_get_can_switch (seat) || !seat_get_allow_guest (seat))
1557 /* Switch to session if one open */
1558 session = find_guest_session (seat);
1561 l_debug (seat, "Switching to existing guest account %s", session_get_username (session));
1562 seat_set_active_session (seat, session);
1566 session = create_guest_session (seat, session_name);
1570 display_server = create_display_server (seat, session);
1572 if (seat->priv->session_to_activate)
1573 g_object_unref (seat->priv->session_to_activate);
1574 seat->priv->session_to_activate = g_object_ref (session);
1575 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1576 session_set_display_server (session, display_server);
1578 return display_server_start (display_server);
1582 seat_lock (Seat *seat, const gchar *username)
1584 Greeter *greeter_session;
1585 DisplayServer *display_server;
1586 gboolean existing = FALSE;
1588 g_return_val_if_fail (seat != NULL, FALSE);
1590 if (!seat_get_can_switch (seat))
1593 l_debug (seat, "Locking");
1595 /* Switch to greeter we can reuse */
1596 greeter_session = find_resettable_greeter (seat);
1597 if (greeter_session)
1599 l_debug (seat, "Switching to existing greeter");
1600 set_greeter_hints (seat, greeter_session);
1605 greeter_session = create_greeter_session (seat);
1606 if (!greeter_session)
1610 greeter_set_hint (greeter_session, "lock-screen", "true");
1612 greeter_set_hint (greeter_session, "select-user", username);
1616 greeter_reset (greeter_session);
1617 seat_set_active_session (seat, SESSION (greeter_session));
1622 display_server = create_display_server (seat, SESSION (greeter_session));
1624 if (seat->priv->session_to_activate)
1625 g_object_unref (seat->priv->session_to_activate);
1626 seat->priv->session_to_activate = g_object_ref (greeter_session);
1627 session_set_display_server (SESSION (greeter_session), display_server);
1629 return display_server_start (display_server);
1634 seat_stop (Seat *seat)
1636 g_return_if_fail (seat != NULL);
1638 if (seat->priv->stopping)
1641 l_debug (seat, "Stopping");
1642 seat->priv->stopping = TRUE;
1643 SEAT_GET_CLASS (seat)->stop (seat);
1647 seat_get_is_stopping (Seat *seat)
1649 g_return_val_if_fail (seat != NULL, FALSE);
1650 return seat->priv->stopping;
1654 seat_real_setup (Seat *seat)
1659 seat_real_start (Seat *seat)
1661 const gchar *autologin_username;
1662 int autologin_timeout;
1663 gboolean autologin_guest;
1664 gboolean autologin_in_background;
1665 Session *session = NULL, *background_session = NULL;
1667 /* Get autologin settings */
1668 autologin_username = seat_get_string_property (seat, "autologin-user");
1669 if (g_strcmp0 (autologin_username, "") == 0)
1670 autologin_username = NULL;
1671 autologin_timeout = seat_get_integer_property (seat, "autologin-user-timeout");
1672 autologin_guest = seat_get_boolean_property (seat, "autologin-guest");
1673 autologin_in_background = seat_get_boolean_property (seat, "autologin-in-background");
1675 /* Autologin if configured */
1676 if (autologin_timeout == 0 || autologin_in_background)
1678 if (autologin_guest)
1679 session = create_guest_session (seat, NULL);
1680 else if (autologin_username != NULL)
1681 session = create_user_session (seat, autologin_username, TRUE);
1684 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1686 /* Load in background if required */
1687 if (autologin_in_background && session)
1689 background_session = session;
1695 DisplayServer *display_server;
1697 if (seat->priv->session_to_activate)
1698 g_object_unref (seat->priv->session_to_activate);
1699 seat->priv->session_to_activate = g_object_ref (session);
1701 display_server = create_display_server (seat, session);
1702 session_set_display_server (session, display_server);
1703 if (!display_server || !display_server_start (display_server))
1705 l_debug (seat, "Can't create display server for automatic login");
1706 session_stop (session);
1708 display_server_stop (display_server);
1714 /* Fallback to a greeter */
1717 Greeter *greeter_session;
1718 DisplayServer *display_server;
1720 greeter_session = create_greeter_session (seat);
1721 if (!greeter_session)
1723 l_debug (seat, "Failed to create greeter session");
1727 if (seat->priv->session_to_activate)
1728 g_object_unref (seat->priv->session_to_activate);
1729 seat->priv->session_to_activate = g_object_ref (greeter_session);
1730 session = SESSION (greeter_session);
1732 display_server = create_display_server (seat, session);
1733 session_set_display_server (session, display_server);
1734 if (!display_server || !display_server_start (display_server))
1736 l_debug (seat, "Can't create display server for greeter");
1737 session_stop (session);
1739 display_server_stop (display_server);
1744 /* Fail if can't start a session */
1751 /* Start background session */
1752 if (background_session)
1754 DisplayServer *background_display_server;
1756 background_display_server = create_display_server (seat, background_session);
1757 session_set_display_server (background_session, background_display_server);
1758 if (!display_server_start (background_display_server))
1759 l_warning (seat, "Failed to start display server for background session");
1766 seat_real_create_greeter_session (Seat *seat)
1768 return greeter_new ();
1772 seat_real_create_session (Seat *seat)
1774 return session_new ();
1778 seat_real_set_active_session (Seat *seat, Session *session)
1783 seat_real_set_next_session (Seat *seat, Session *session)
1788 seat_real_get_active_session (Seat *seat)
1794 seat_real_stop (Seat *seat)
1798 check_stopped (seat);
1799 if (seat->priv->stopped)
1802 /* Stop all the display servers and sessions on the seat. Copy the list as
1803 * it might be modified if a display server / session stops during this loop */
1804 list = g_list_copy (seat->priv->display_servers);
1805 for (link = list; link; link = link->next)
1806 g_object_ref (link->data);
1807 for (link = list; link; link = link->next)
1809 DisplayServer *display_server = link->data;
1810 if (!display_server_get_is_stopping (display_server))
1812 l_debug (seat, "Stopping display server");
1813 display_server_stop (display_server);
1816 g_list_free_full (list, g_object_unref);
1817 list = g_list_copy (seat->priv->sessions);
1818 for (link = list; link; link = link->next)
1819 g_object_ref (link->data);
1820 for (link = list; link; link = link->next)
1822 Session *session = link->data;
1823 if (!session_get_is_stopping (session))
1825 l_debug (seat, "Stopping session");
1826 session_stop (session);
1829 g_list_free_full (list, g_object_unref);
1833 seat_init (Seat *seat)
1835 seat->priv = G_TYPE_INSTANCE_GET_PRIVATE (seat, SEAT_TYPE, SeatPrivate);
1836 seat->priv->properties = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
1837 seat->priv->share_display_server = TRUE;
1841 seat_finalize (GObject *object)
1846 self = SEAT (object);
1848 g_free (self->priv->name);
1849 g_hash_table_unref (self->priv->properties);
1850 for (link = self->priv->display_servers; link; link = link->next)
1852 DisplayServer *display_server = link->data;
1853 g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self);
1855 g_list_free_full (self->priv->display_servers, g_object_unref);
1856 for (link = self->priv->sessions; link; link = link->next)
1858 Session *session = link->data;
1859 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self);
1861 g_list_free_full (self->priv->sessions, g_object_unref);
1862 if (self->priv->active_session)
1863 g_object_unref (self->priv->active_session);
1864 if (self->priv->next_session)
1865 g_object_unref (self->priv->next_session);
1866 if (self->priv->session_to_activate)
1867 g_object_unref (self->priv->session_to_activate);
1869 G_OBJECT_CLASS (seat_parent_class)->finalize (object);
1873 seat_class_init (SeatClass *klass)
1875 GObjectClass *object_class = G_OBJECT_CLASS (klass);
1877 klass->setup = seat_real_setup;
1878 klass->start = seat_real_start;
1879 klass->create_greeter_session = seat_real_create_greeter_session;
1880 klass->create_session = seat_real_create_session;
1881 klass->set_active_session = seat_real_set_active_session;
1882 klass->get_active_session = seat_real_get_active_session;
1883 klass->set_next_session = seat_real_set_next_session;
1884 klass->run_script = seat_real_run_script;
1885 klass->stop = seat_real_stop;
1887 object_class->finalize = seat_finalize;
1889 g_type_class_add_private (klass, sizeof (SeatPrivate));
1891 signals[SESSION_ADDED] =
1892 g_signal_new (SEAT_SIGNAL_SESSION_ADDED,
1893 G_TYPE_FROM_CLASS (klass),
1895 G_STRUCT_OFFSET (SeatClass, session_added),
1898 G_TYPE_NONE, 1, SESSION_TYPE);
1899 signals[RUNNING_USER_SESSION] =
1900 g_signal_new (SEAT_SIGNAL_RUNNING_USER_SESSION,
1901 G_TYPE_FROM_CLASS (klass),
1903 G_STRUCT_OFFSET (SeatClass, running_user_session),
1906 G_TYPE_NONE, 1, SESSION_TYPE);
1907 signals[SESSION_REMOVED] =
1908 g_signal_new (SEAT_SIGNAL_SESSION_REMOVED,
1909 G_TYPE_FROM_CLASS (klass),
1911 G_STRUCT_OFFSET (SeatClass, session_removed),
1914 G_TYPE_NONE, 1, SESSION_TYPE);
1916 g_signal_new (SEAT_SIGNAL_STOPPED,
1917 G_TYPE_FROM_CLASS (klass),
1919 G_STRUCT_OFFSET (SeatClass, stopped),
1926 seat_real_logprefix (Logger *self, gchar *buf, gulong buflen)
1928 return g_snprintf (buf, buflen, "Seat %s: ", SEAT (self)->priv->name);
1932 seat_logger_iface_init (LoggerInterface *iface)
1934 iface->logprefix = &seat_real_logprefix;