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) */
69 /* The greeter to be started to replace the current one */
70 Greeter *replacement_greeter;
73 static void seat_logger_iface_init (LoggerInterface *iface);
75 G_DEFINE_TYPE_WITH_CODE (Seat, seat, G_TYPE_OBJECT,
76 G_IMPLEMENT_INTERFACE (
77 LOGGER_TYPE, seat_logger_iface_init));
84 static GHashTable *seat_modules = NULL;
86 // FIXME: Make a get_display_server() that re-uses display servers if supported
87 static DisplayServer *create_display_server (Seat *seat, Session *session);
88 static Greeter *create_greeter_session (Seat *seat);
89 static void start_session (Seat *seat, Session *session);
92 seat_register_module (const gchar *name, GType type)
97 seat_modules = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
99 g_debug ("Registered seat module %s", name);
101 module = g_malloc0 (sizeof (SeatModule));
102 module->name = g_strdup (name);
104 g_hash_table_insert (seat_modules, g_strdup (name), module);
108 seat_new (const gchar *module_name, const gchar *name)
111 SeatModule *m = NULL;
113 g_return_val_if_fail (module_name != NULL, NULL);
116 m = g_hash_table_lookup (seat_modules, module_name);
120 seat = g_object_new (m->type, NULL);
121 seat->priv->name = g_strdup (name);
127 seat_set_property (Seat *seat, const gchar *name, const gchar *value)
129 g_return_if_fail (seat != NULL);
130 g_hash_table_insert (seat->priv->properties, g_strdup (name), g_strdup (value));
134 seat_get_string_property (Seat *seat, const gchar *name)
136 g_return_val_if_fail (seat != NULL, NULL);
137 return g_hash_table_lookup (seat->priv->properties, name);
141 seat_get_string_list_property (Seat *seat, const gchar *name)
143 g_return_val_if_fail (seat != NULL, NULL);
144 return g_strsplit (g_hash_table_lookup (seat->priv->properties, name), ";", 0);
148 seat_get_boolean_property (Seat *seat, const gchar *name)
153 value = seat_get_string_property (seat, name);
157 /* Count the number of non-whitespace characters */
158 for (i = 0; value[i]; i++)
159 if (!g_ascii_isspace (value[i]))
162 return strncmp (value, "true", MAX (length, 4)) == 0;
166 seat_get_integer_property (Seat *seat, const gchar *name)
170 value = seat_get_string_property (seat, name);
171 return value ? atoi (value) : 0;
175 seat_get_name (Seat *seat)
177 return seat->priv->name;
181 seat_set_supports_multi_session (Seat *seat, gboolean supports_multi_session)
183 g_return_if_fail (seat != NULL);
184 seat->priv->supports_multi_session = supports_multi_session;
188 seat_set_share_display_server (Seat *seat, gboolean share_display_server)
190 g_return_if_fail (seat != NULL);
191 seat->priv->share_display_server = share_display_server;
195 seat_start (Seat *seat)
197 g_return_val_if_fail (seat != NULL, FALSE);
199 l_debug (seat, "Starting");
201 SEAT_GET_CLASS (seat)->setup (seat);
202 seat->priv->started = SEAT_GET_CLASS (seat)->start (seat);
204 return seat->priv->started;
208 seat_get_sessions (Seat *seat)
210 g_return_val_if_fail (seat != NULL, NULL);
211 return seat->priv->sessions;
215 set_greeter_idle (gpointer greeter)
217 greeter_idle (GREETER (greeter));
222 seat_set_active_session (Seat *seat, Session *session)
226 g_return_if_fail (seat != NULL);
228 SEAT_GET_CLASS (seat)->set_active_session (seat, session);
230 /* Stop any greeters */
231 for (link = seat->priv->sessions; link; link = link->next)
233 Session *s = link->data;
235 if (s == session || session_get_is_stopping (s))
240 Greeter *greeter = GREETER (s);
241 if (greeter_get_resettable (greeter))
243 if (seat->priv->active_session == SESSION (greeter))
245 l_debug (seat, "Idling greeter");
246 /* Do this in an idle callback, because we might very well
247 be in the middle of responding to a START_SESSION
248 request by a greeter. So they won't expect an IDLE
249 call during that. Plus, this isn't time-sensitive. */
250 g_idle_add (set_greeter_idle, greeter);
255 l_debug (seat, "Stopping greeter");
261 /* Lock previous sessions */
262 if (seat->priv->active_session && session != seat->priv->active_session && !IS_GREETER (seat->priv->active_session))
263 session_lock (seat->priv->active_session);
265 session_activate (session);
266 g_clear_object (&seat->priv->active_session);
267 seat->priv->active_session = g_object_ref (session);
271 seat_get_active_session (Seat *seat)
273 g_return_val_if_fail (seat != NULL, NULL);
274 return SEAT_GET_CLASS (seat)->get_active_session (seat);
278 seat_get_next_session (Seat *seat)
280 g_return_val_if_fail (seat != NULL, NULL);
281 return seat->priv->next_session;
285 * Obtains the active session which lightdm expects to be active.
287 * This function is different from seat_get_active_session() in that the
288 * later (in the case of xlocal seats) dynamically finds the session that is
289 * really active (based on the active VT), whereas this function returns the
290 * session that lightdm activated last by itself, which may not be the actual
291 * active session (i.e. VT changes).
294 seat_get_expected_active_session (Seat *seat)
296 g_return_val_if_fail (seat != NULL, NULL);
297 return seat->priv->active_session;
301 * Sets the active session which lightdm expects to be active.
303 * This function is different from seat_set_active_session() in that the
304 * later performs an actual session activation, whereas this function just
305 * updates the active session after the session has been activated by some
306 * means external to lightdm (i.e. VT changes).
309 seat_set_externally_activated_session (Seat *seat, Session *session)
311 g_return_if_fail (seat != NULL);
312 g_clear_object (&seat->priv->active_session);
313 seat->priv->active_session = g_object_ref (session);
317 seat_find_session_by_login1_id (Seat *seat, const gchar *login1_session_id)
321 for (session_link = seat->priv->sessions; session_link; session_link = session_link->next)
323 Session *session = session_link->data;
324 if (g_strcmp0 (login1_session_id, session_get_login1_session_id (session)) == 0)
332 seat_get_can_switch (Seat *seat)
334 g_return_val_if_fail (seat != NULL, FALSE);
335 return seat_get_boolean_property (seat, "allow-user-switching") && seat->priv->supports_multi_session;
339 seat_get_allow_guest (Seat *seat)
341 g_return_val_if_fail (seat != NULL, FALSE);
342 return seat_get_boolean_property (seat, "allow-guest") && guest_account_is_installed ();
346 run_script (Seat *seat, DisplayServer *display_server, const gchar *script_name, User *user)
349 gboolean result = FALSE;
351 script = process_new (NULL, NULL);
353 process_set_command (script, script_name);
355 /* Set POSIX variables */
356 process_set_clear_environment (script, TRUE);
357 process_set_env (script, "SHELL", "/bin/sh");
359 /* Variables required for regression tests */
360 if (g_getenv ("LIGHTDM_TEST_ROOT"))
362 process_set_env (script, "LIGHTDM_TEST_ROOT", g_getenv ("LIGHTDM_TEST_ROOT"));
363 process_set_env (script, "LD_PRELOAD", g_getenv ("LD_PRELOAD"));
364 process_set_env (script, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
365 process_set_env (script, "PATH", g_getenv ("PATH"));
368 process_set_env (script, "PATH", "/usr/local/bin:/usr/bin:/bin");
372 process_set_env (script, "USER", user_get_name (user));
373 process_set_env (script, "LOGNAME", user_get_name (user));
374 process_set_env (script, "HOME", user_get_home_directory (user));
377 process_set_env (script, "HOME", "/");
379 SEAT_GET_CLASS (seat)->run_script (seat, display_server, script);
381 if (process_start (script, TRUE))
385 exit_status = process_get_exit_status (script);
386 if (WIFEXITED (exit_status))
388 l_debug (seat, "Exit status of %s: %d", script_name, WEXITSTATUS (exit_status));
389 result = WEXITSTATUS (exit_status) == EXIT_SUCCESS;
393 g_object_unref (script);
399 seat_real_run_script (Seat *seat, DisplayServer *display_server, Process *process)
404 emit_upstart_signal (const gchar *signal)
406 g_return_if_fail (signal != NULL);
407 g_return_if_fail (signal[0] != 0);
408 const gchar* argv[] = {"initctl", "-q", "emit", signal, "DISPLAY_MANAGER=lightdm", NULL};
413 /* OK if it fails, probably not installed or not running upstart */
414 g_spawn_async (NULL, argv, NULL,
415 G_SPAWN_SEARCH_PATH | G_SPAWN_STDERR_TO_DEV_NULL,
416 NULL, NULL, NULL, NULL);
420 check_stopped (Seat *seat)
422 if (seat->priv->stopping &&
423 !seat->priv->stopped &&
424 g_list_length (seat->priv->display_servers) == 0 &&
425 g_list_length (seat->priv->sessions) == 0)
427 seat->priv->stopped = TRUE;
428 l_debug (seat, "Stopped");
429 g_signal_emit (seat, signals[STOPPED], 0);
434 display_server_stopped_cb (DisplayServer *display_server, Seat *seat)
438 Session *active_session;
440 l_debug (seat, "Display server stopped");
442 /* Run a script right after stopping the display server */
443 script = seat_get_string_property (seat, "display-stopped-script");
445 run_script (seat, NULL, script, NULL);
447 g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
448 seat->priv->display_servers = g_list_remove (seat->priv->display_servers, display_server);
450 if (seat->priv->stopping || !seat->priv->started)
452 check_stopped (seat);
453 g_object_unref (display_server);
457 /* Stop all sessions on this display server */
458 list = g_list_copy (seat->priv->sessions);
459 for (link = list; link; link = link->next)
460 g_object_ref (link->data);
461 for (link = list; link; link = link->next)
463 Session *session = link->data;
465 if (session_get_display_server (session) != display_server || session_get_is_stopping (session))
468 /* Stop seat if this is the only display server and it failed to start a greeter */
469 if (IS_GREETER (session) &&
470 !session_get_is_started (session) &&
471 g_list_length (seat->priv->display_servers) == 0)
473 l_debug (seat, "Stopping; greeter display server failed to start");
477 l_debug (seat, "Stopping session");
478 session_stop (session);
480 g_list_free_full (list, g_object_unref);
482 if (!seat->priv->stopping)
484 /* If we were the active session, switch to a greeter */
485 active_session = seat_get_active_session (seat);
486 if (!active_session || session_get_display_server (active_session) == display_server)
488 l_debug (seat, "Active display server stopped, starting greeter");
489 if (!seat_switch_to_greeter (seat))
491 l_debug (seat, "Stopping; failed to start a greeter");
497 g_object_unref (display_server);
501 can_share_display_server (Seat *seat, DisplayServer *display_server)
503 return seat->priv->share_display_server && display_server_get_can_share (display_server);
507 find_greeter_session (Seat *seat)
511 for (link = seat->priv->sessions; link; link = link->next)
513 Session *session = link->data;
514 if (!session_get_is_stopping (session) && IS_GREETER (session))
515 return GREETER (session);
522 find_resettable_greeter (Seat *seat)
526 for (link = seat->priv->sessions; link; link = link->next)
528 Session *session = link->data;
529 if (!session_get_is_stopping (session) && IS_GREETER (session) &&
530 greeter_get_resettable (GREETER (session)))
531 return GREETER (session);
538 set_greeter_hints (Seat *seat, Greeter *greeter_session)
540 greeter_clear_hints (greeter_session);
541 greeter_set_hint (greeter_session, "default-session", seat_get_string_property (seat, "user-session"));
542 greeter_set_hint (greeter_session, "hide-users", seat_get_boolean_property (seat, "greeter-hide-users") ? "true" : "false");
543 greeter_set_hint (greeter_session, "show-manual-login", seat_get_boolean_property (seat, "greeter-show-manual-login") ? "true" : "false");
544 greeter_set_hint (greeter_session, "show-remote-login", seat_get_boolean_property (seat, "greeter-show-remote-login") ? "true" : "false");
545 greeter_set_hint (greeter_session, "has-guest-account", seat_get_allow_guest (seat) && seat_get_boolean_property (seat, "greeter-allow-guest") ? "true" : "false");
549 switch_to_greeter_from_failed_session (Seat *seat, Session *session)
551 Greeter *greeter_session;
552 gboolean existing = FALSE;
554 /* Switch to greeter if one open */
555 greeter_session = find_resettable_greeter (seat);
558 l_debug (seat, "Switching to existing greeter");
559 set_greeter_hints (seat, greeter_session);
564 greeter_session = create_greeter_session (seat);
567 if (session_get_is_guest (session))
568 greeter_set_hint (greeter_session, "select-guest", "true");
570 greeter_set_hint (greeter_session, "select-user", session_get_username (session));
574 greeter_reset (greeter_session);
575 seat_set_active_session (seat, SESSION (greeter_session));
579 g_clear_object (&seat->priv->session_to_activate);
580 seat->priv->session_to_activate = g_object_ref (greeter_session);
582 if (can_share_display_server (seat, session_get_display_server (session)))
583 session_set_display_server (SESSION (greeter_session), session_get_display_server (session));
586 DisplayServer *display_server;
588 display_server = create_display_server (seat, session);
589 session_set_display_server (session, display_server);
590 if (!display_server_start (display_server))
592 l_debug (seat, "Failed to start display server for greeter");
597 start_session (seat, SESSION (greeter_session));
600 /* Stop failed session */
601 session_stop (session);
605 start_session (Seat *seat, Session *session)
607 /* Use system location for greeter log file */
608 if (IS_GREETER (session))
610 gchar *log_dir, *filename, *log_filename;
611 gboolean backup_logs;
613 log_dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
614 filename = g_strdup_printf ("%s-greeter.log", display_server_get_name (session_get_display_server (session)));
615 log_filename = g_build_filename (log_dir, filename, NULL);
618 backup_logs = config_get_boolean (config_get_instance (), "LightDM", "backup-logs");
619 session_set_log_file (session, log_filename, backup_logs ? LOG_MODE_BACKUP_AND_TRUNCATE : LOG_MODE_APPEND);
620 g_free (log_filename);
623 if (session_start (session))
626 if (IS_GREETER (session))
628 l_debug (seat, "Failed to start greeter");
629 display_server_stop (session_get_display_server (session));
633 l_debug (seat, "Failed to start session, starting greeter");
634 switch_to_greeter_from_failed_session (seat, session);
638 run_session (Seat *seat, Session *session)
642 if (IS_GREETER (session))
643 script = seat_get_string_property (seat, "greeter-setup-script");
645 script = seat_get_string_property (seat, "session-setup-script");
646 if (script && !run_script (seat, session_get_display_server (session), script, session_get_user (session)))
648 l_debug (seat, "Switching to greeter due to failed setup script");
649 switch_to_greeter_from_failed_session (seat, session);
653 if (!IS_GREETER (session))
655 g_signal_emit (seat, signals[RUNNING_USER_SESSION], 0, session);
656 emit_upstart_signal ("desktop-session-start");
659 session_run (session);
661 // FIXME: Wait until the session is ready
663 if (session == seat->priv->session_to_activate)
665 seat_set_active_session (seat, session);
666 g_clear_object (&seat->priv->session_to_activate);
668 else if (seat->priv->active_session)
670 /* Multiple sessions can theoretically be on the same VT (especially
671 if using Mir). If a new session appears on an existing active VT,
672 logind will mark it as active, while ConsoleKit will re-mark the
673 oldest session as active. In either case, that may not be the
674 session that we want to be active. So let's be explicit and
675 re-activate the correct session whenever a new session starts.
676 There's no harm to do this in seats that enforce separate VTs. */
677 session_activate (seat->priv->active_session);
682 find_user_session (Seat *seat, const gchar *username, Session *ignore_session)
689 for (link = seat->priv->sessions; link; link = link->next)
691 Session *session = link->data;
693 if (session == ignore_session)
696 if (!session_get_is_stopping (session) && g_strcmp0 (session_get_username (session), username) == 0)
704 greeter_active_username_changed_cb (Greeter *greeter, GParamSpec *pspec, Seat *seat)
708 session = find_user_session (seat, greeter_get_active_username (greeter), seat->priv->active_session);
710 g_clear_object (&seat->priv->next_session);
711 seat->priv->next_session = session ? g_object_ref (session) : NULL;
713 SEAT_GET_CLASS (seat)->set_next_session (seat, session);
717 session_authentication_complete_cb (Session *session, Seat *seat)
719 if (session_get_is_authenticated (session))
723 s = find_user_session (seat, session_get_username (session), session);
726 l_debug (seat, "Session authenticated, switching to existing user session");
727 seat_set_active_session (seat, s);
728 session_stop (session);
732 l_debug (seat, "Session authenticated, running command");
733 run_session (seat, session);
736 else if (!IS_GREETER (session))
738 l_debug (seat, "Switching to greeter due to failed authentication");
739 switch_to_greeter_from_failed_session (seat, session);
743 l_debug (seat, "Stopping session that failed authentication");
744 session_stop (session);
749 session_stopped_cb (Session *session, Seat *seat)
751 DisplayServer *display_server;
753 l_debug (seat, "Session stopped");
755 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
756 seat->priv->sessions = g_list_remove (seat->priv->sessions, session);
757 if (session == seat->priv->active_session)
758 g_clear_object (&seat->priv->active_session);
759 if (session == seat->priv->next_session)
760 g_clear_object (&seat->priv->next_session);
761 if (session == seat->priv->session_to_activate)
762 g_clear_object (&seat->priv->session_to_activate);
764 display_server = session_get_display_server (session);
767 g_object_unref (session);
772 if (!IS_GREETER (session))
775 script = seat_get_string_property (seat, "session-cleanup-script");
777 run_script (seat, display_server, script, session_get_user (session));
780 /* We were waiting for this session, but it didn't start :( */
781 // FIXME: Start a greeter on this?
782 if (session == seat->priv->session_to_activate)
783 g_clear_object (&seat->priv->session_to_activate);
785 if (seat->priv->stopping)
787 check_stopped (seat);
788 g_object_unref (session);
792 /* If there is a pending replacement greeter, start it */
793 if (IS_GREETER (session) && seat->priv->replacement_greeter)
795 Greeter *replacement_greeter = seat->priv->replacement_greeter;
796 seat->priv->replacement_greeter = NULL;
798 if (session_get_is_authenticated (SESSION (replacement_greeter)))
800 l_debug (seat, "Greeter stopped, running session");
801 run_session (seat, SESSION (replacement_greeter));
805 l_debug (seat, "Greeter stopped, starting session authentication");
806 start_session (seat, SESSION (replacement_greeter));
809 g_object_unref (replacement_greeter);
811 /* If this is the greeter session then re-use this display server */
812 else if (IS_GREETER (session) &&
813 can_share_display_server (seat, display_server) &&
814 greeter_get_start_session (GREETER (session)))
818 for (link = seat->priv->sessions; link; link = link->next)
820 Session *s = link->data;
822 /* Skip this session and sessions on other display servers */
823 if (s == session || session_get_display_server (s) != display_server || session_get_is_stopping (s))
826 if (session_get_is_authenticated (s))
828 l_debug (seat, "Greeter stopped, running session");
829 run_session (seat, s);
833 l_debug (seat, "Greeter stopped, starting session authentication");
834 start_session (seat, s);
839 /* If this is the greeter and nothing else is running then stop the seat */
840 else if (IS_GREETER (session) &&
841 !greeter_get_start_session (GREETER (session)) &&
842 g_list_length (seat->priv->display_servers) == 1 &&
843 g_list_nth_data (seat->priv->display_servers, 0) == display_server)
845 l_debug (seat, "Stopping; failed to start a greeter");
848 /* If we were the active session, switch to a greeter */
849 else if (!IS_GREETER (session) && session == seat_get_active_session (seat))
851 l_debug (seat, "Active session stopped, starting greeter");
852 if (!seat_switch_to_greeter (seat))
854 l_debug (seat, "Stopping; failed to start a greeter");
859 /* Stop the display server if no-longer required */
860 if (display_server && !display_server_get_is_stopping (display_server))
865 for (link = seat->priv->sessions; link; link = link->next)
867 Session *s = link->data;
870 if (session_get_display_server (s) == display_server)
875 l_debug (seat, "Stopping display server, no sessions require it");
876 display_server_stop (display_server);
880 g_signal_emit (seat, signals[SESSION_REMOVED], 0, session);
881 g_object_unref (session);
885 set_session_env (Session *session)
887 /* Connect using the session bus */
890 if (g_getenv ("DBUS_SESSION_BUS_ADDRESS"))
891 session_set_env (session, "DBUS_SESSION_BUS_ADDRESS", g_getenv ("DBUS_SESSION_BUS_ADDRESS"));
892 session_set_env (session, "LDM_BUS", "SESSION");
893 if (g_getenv ("LD_PRELOAD"))
894 session_set_env (session, "LD_PRELOAD", g_getenv ("LD_PRELOAD"));
895 if (g_getenv ("LD_LIBRARY_PATH"))
896 session_set_env (session, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
897 if (g_getenv ("PATH"))
898 session_set_env (session, "PATH", g_getenv ("PATH"));
901 /* Variables required for regression tests */
902 if (g_getenv ("LIGHTDM_TEST_ROOT"))
904 session_set_env (session, "LIGHTDM_TEST_ROOT", g_getenv ("LIGHTDM_TEST_ROOT"));
905 session_set_env (session, "DBUS_SYSTEM_BUS_ADDRESS", g_getenv ("DBUS_SYSTEM_BUS_ADDRESS"));
906 session_set_env (session, "DBUS_SESSION_BUS_ADDRESS", g_getenv ("DBUS_SESSION_BUS_ADDRESS"));
907 session_set_env (session, "LD_PRELOAD", g_getenv ("LD_PRELOAD"));
908 session_set_env (session, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
909 session_set_env (session, "GI_TYPELIB_PATH", g_getenv ("GI_TYPELIB_PATH"));
914 create_session (Seat *seat, gboolean autostart)
918 session = SEAT_GET_CLASS (seat)->create_session (seat);
919 seat->priv->sessions = g_list_append (seat->priv->sessions, session);
921 g_signal_connect (session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (session_authentication_complete_cb), seat);
922 g_signal_connect (session, SESSION_SIGNAL_STOPPED, G_CALLBACK (session_stopped_cb), seat);
924 set_session_env (session);
926 g_signal_emit (seat, signals[SESSION_ADDED], 0, session);
932 get_session_argv (Seat *seat, SessionConfig *session_config, const gchar *session_wrapper)
937 GError *error = NULL;
939 /* If configured, run sessions through a wrapper */
942 argv = g_malloc (sizeof (gchar *) * 3);
943 path = g_find_program_in_path (session_wrapper);
944 argv[0] = path ? path : g_strdup (session_wrapper);
945 argv[1] = g_strdup (session_config_get_command (session_config));
950 /* Split command into an array listing and make command absolute */
951 result = g_shell_parse_argv (session_config_get_command (session_config), &argc, &argv, &error);
953 l_debug (seat, "Invalid session command '%s': %s", session_config_get_command (session_config), error->message);
954 g_clear_error (&error);
957 path = g_find_program_in_path (argv[0]);
967 static SessionConfig *
968 find_session_config (Seat *seat, const gchar *sessions_dir, const gchar *session_name)
971 SessionConfig *session_config = NULL;
973 GError *error = NULL;
975 g_return_val_if_fail (sessions_dir != NULL, NULL);
976 g_return_val_if_fail (session_name != NULL, NULL);
978 dirs = g_strsplit (sessions_dir, ":", -1);
979 for (i = 0; dirs[i]; i++)
981 gchar *filename, *path;
982 const gchar *default_session_type = "x";
984 if (strcmp (dirs[i], WAYLAND_SESSIONS_DIR) == 0)
985 default_session_type = "wayland";
987 filename = g_strdup_printf ("%s.desktop", session_name);
988 path = g_build_filename (dirs[i], filename, NULL);
990 session_config = session_config_new_from_file (path, default_session_type, &error);
995 if (dirs[i+1] == NULL)
996 l_debug (seat, "Failed to find session configuration %s", session_name);
997 g_clear_error (&error);
1001 return session_config;
1005 configure_session (Session *session, SessionConfig *config, const gchar *session_name, const gchar *language)
1007 gchar **desktop_names;
1009 session_set_config (session, config);
1010 session_set_env (session, "XDG_SESSION_DESKTOP", session_name);
1011 session_set_env (session, "DESKTOP_SESSION", session_name);
1012 session_set_env (session, "GDMSESSION", session_name);
1013 desktop_names = session_config_get_desktop_names (config);
1017 value = g_strjoinv (":", desktop_names);
1018 session_set_env (session, "XDG_CURRENT_DESKTOP", value);
1021 if (language && language[0] != '\0')
1023 session_set_env (session, "LANG", language);
1024 session_set_env (session, "GDM_LANG", language);
1029 create_user_session (Seat *seat, const gchar *username, gboolean autostart)
1032 gchar *sessions_dir;
1033 const gchar *session_name, *language;
1034 SessionConfig *session_config;
1035 Session *session = NULL;
1037 l_debug (seat, "Creating user session");
1039 /* Load user preferences */
1040 user = accounts_get_user_by_name (username);
1043 l_debug (seat, "Can't login unknown user '%s'", username);
1046 session_name = user_get_xsession (user);
1047 language = user_get_language (user);
1049 /* Override session for autologin if configured */
1052 const gchar *autologin_session_name = seat_get_string_property (seat, "autologin-session");
1053 if (autologin_session_name)
1054 session_name = autologin_session_name;
1058 session_name = seat_get_string_property (seat, "user-session");
1059 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1060 session_config = find_session_config (seat, sessions_dir, session_name);
1061 g_free (sessions_dir);
1066 session = create_session (seat, autostart);
1067 configure_session (session, session_config, session_name, language);
1068 session_set_username (session, username);
1069 session_set_do_authenticate (session, TRUE);
1070 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1071 session_set_argv (session, argv);
1073 g_object_unref (session_config);
1076 l_debug (seat, "Can't find session '%s'", session_name);
1078 g_object_unref (user);
1084 prepend_argv (gchar ***argv, const gchar *value)
1086 gchar **old_argv, **new_argv;
1090 new_argv = g_malloc (sizeof (gchar *) * (g_strv_length (*argv) + 2));
1091 new_argv[0] = g_strdup (value);
1092 for (i = 0; old_argv[i]; i++)
1093 new_argv[i + 1] = old_argv[i];
1094 new_argv[i + 1] = NULL;
1101 create_guest_session (Seat *seat, const gchar *session_name)
1103 const gchar *guest_wrapper;
1104 gchar *sessions_dir, **argv;
1105 SessionConfig *session_config;
1109 session_name = seat_get_string_property (seat, "guest-session");
1111 session_name = seat_get_string_property (seat, "user-session");
1112 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1113 session_config = find_session_config (seat, sessions_dir, session_name);
1114 g_free (sessions_dir);
1115 if (!session_config)
1117 l_debug (seat, "Can't find session '%s'", session_name);
1121 session = create_session (seat, TRUE);
1122 configure_session (session, session_config, session_name, NULL);
1123 session_set_do_authenticate (session, TRUE);
1124 session_set_is_guest (session, TRUE);
1125 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1126 guest_wrapper = seat_get_string_property (seat, "guest-wrapper");
1130 path = g_find_program_in_path (guest_wrapper);
1131 prepend_argv (&argv, path ? path : guest_wrapper);
1135 session_set_argv (session, argv);
1137 g_object_unref (session_config);
1143 greeter_create_session_cb (Greeter *greeter, Seat *seat)
1147 session = create_session (seat, FALSE);
1148 session_set_config (session, session_get_config (SESSION (greeter)));
1149 session_set_display_server (session, session_get_display_server (SESSION (greeter)));
1151 return g_object_ref (session);
1155 greeter_start_session_cb (Greeter *greeter, SessionType type, const gchar *session_name, Seat *seat)
1157 Session *session, *existing_session;
1158 const gchar *username;
1159 DisplayServer *display_server;
1161 /* Get the session to use */
1162 if (greeter_get_guest_authenticated (greeter))
1164 session = create_guest_session (seat, session_name);
1167 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1171 const gchar *language = NULL;
1172 SessionConfig *session_config;
1174 gchar *sessions_dir = NULL;
1177 session = greeter_get_authentication_session (greeter);
1179 /* Get session command to run */
1182 case SESSION_TYPE_LOCAL:
1183 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1185 case SESSION_TYPE_REMOTE:
1186 sessions_dir = config_get_string (config_get_instance (), "LightDM", "remote-sessions-directory");
1190 /* Load user preferences */
1191 user = session_get_user (session);
1195 session_name = user_get_xsession (user);
1196 language = user_get_language (user);
1200 session_name = seat_get_string_property (seat, "user-session");
1202 user_set_xsession (session_get_user (session), session_name);
1204 session_config = find_session_config (seat, sessions_dir, session_name);
1205 g_free (sessions_dir);
1206 if (!session_config)
1208 l_debug (seat, "Can't find session '%s'", session_name);
1212 configure_session (session, session_config, session_name, language);
1213 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1214 session_set_argv (session, argv);
1216 g_object_unref (session_config);
1219 /* Switch to this session when it is ready */
1220 g_clear_object (&seat->priv->session_to_activate);
1221 seat->priv->session_to_activate = g_object_ref (session);
1223 /* Return to existing session if it is open */
1224 username = session_get_username (session);
1225 existing_session = find_user_session (seat, username, NULL);
1226 if (existing_session && session != existing_session)
1228 l_debug (seat, "Returning to existing user session %s", username);
1229 session_stop (session);
1230 session_unlock (existing_session);
1231 seat_set_active_session (seat, existing_session);
1235 /* If can re-use the display server, stop the greeter first */
1236 display_server = session_get_display_server (SESSION (greeter));
1237 if (!greeter_get_resettable (greeter) &&
1238 can_share_display_server (seat, display_server) &&
1239 strcmp (display_server_get_session_type (display_server), session_get_session_type (session)) == 0)
1241 l_debug (seat, "Stopping greeter; display server will be re-used for user session");
1243 /* Run on the same display server after the greeter has stopped */
1244 session_set_display_server (session, display_server);
1246 /* Stop the greeter */
1247 session_stop (SESSION (greeter));
1251 /* Otherwise start a new display server for this session */
1254 display_server = create_display_server (seat, session);
1255 session_set_display_server (session, display_server);
1256 if (!display_server_start (display_server))
1258 l_debug (seat, "Failed to start display server for new session");
1267 create_greeter_session (Seat *seat)
1269 gchar *sessions_dir, **argv;
1270 SessionConfig *session_config;
1271 Greeter *greeter_session;
1272 const gchar *greeter_wrapper;
1273 const gchar *autologin_username;
1274 int autologin_timeout;
1275 gboolean autologin_guest;
1277 l_debug (seat, "Creating greeter session");
1279 sessions_dir = config_get_string (config_get_instance (), "LightDM", "greeters-directory");
1280 session_config = find_session_config (seat, sessions_dir, seat_get_string_property (seat, "greeter-session"));
1281 g_free (sessions_dir);
1282 if (!session_config)
1285 argv = get_session_argv (seat, session_config, NULL);
1286 greeter_wrapper = seat_get_string_property (seat, "greeter-wrapper");
1287 if (greeter_wrapper)
1290 path = g_find_program_in_path (greeter_wrapper);
1291 prepend_argv (&argv, path ? path : greeter_wrapper);
1295 greeter_session = SEAT_GET_CLASS (seat)->create_greeter_session (seat);
1296 session_set_config (SESSION (greeter_session), session_config);
1297 seat->priv->sessions = g_list_append (seat->priv->sessions, SESSION (greeter_session));
1298 g_signal_connect (greeter_session, GREETER_SIGNAL_ACTIVE_USERNAME_CHANGED, G_CALLBACK (greeter_active_username_changed_cb), seat);
1299 g_signal_connect (greeter_session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (session_authentication_complete_cb), seat);
1300 g_signal_connect (greeter_session, SESSION_SIGNAL_STOPPED, G_CALLBACK (session_stopped_cb), seat);
1302 set_session_env (SESSION (greeter_session));
1303 session_set_env (SESSION (greeter_session), "XDG_SESSION_CLASS", "greeter");
1305 session_set_pam_service (SESSION (greeter_session), seat_get_string_property (seat, "pam-greeter-service"));
1308 gchar *greeter_user;
1309 greeter_user = config_get_string (config_get_instance (), "LightDM", "greeter-user");
1310 session_set_username (SESSION (greeter_session), greeter_user);
1311 g_free (greeter_user);
1315 /* In test mode run the greeter as ourself */
1316 session_set_username (SESSION (greeter_session), user_get_name (accounts_get_current_user ()));
1318 session_set_argv (SESSION (greeter_session), argv);
1321 greeter_set_pam_services (greeter_session,
1322 seat_get_string_property (seat, "pam-service"),
1323 seat_get_string_property (seat, "pam-autologin-service"));
1324 g_signal_connect (greeter_session, GREETER_SIGNAL_CREATE_SESSION, G_CALLBACK (greeter_create_session_cb), seat);
1325 g_signal_connect (greeter_session, GREETER_SIGNAL_START_SESSION, G_CALLBACK (greeter_start_session_cb), seat);
1327 /* Set hints to greeter */
1328 greeter_set_allow_guest (greeter_session, seat_get_allow_guest (seat));
1329 set_greeter_hints (seat, greeter_session);
1331 /* Configure for automatic login */
1332 autologin_username = seat_get_string_property (seat, "autologin-user");
1333 if (g_strcmp0 (autologin_username, "") == 0)
1334 autologin_username = NULL;
1335 autologin_timeout = seat_get_integer_property (seat, "autologin-user-timeout");
1336 autologin_guest = seat_get_boolean_property (seat, "autologin-guest");
1337 if (autologin_timeout > 0)
1341 value = g_strdup_printf ("%d", autologin_timeout);
1342 greeter_set_hint (greeter_session, "autologin-timeout", value);
1344 if (autologin_username)
1345 greeter_set_hint (greeter_session, "autologin-user", autologin_username);
1346 if (autologin_guest)
1347 greeter_set_hint (greeter_session, "autologin-guest", "true");
1350 g_object_unref (session_config);
1352 return greeter_session;
1356 find_session_for_display_server (Seat *seat, DisplayServer *display_server)
1360 for (link = seat->priv->sessions; link; link = link->next)
1362 Session *session = link->data;
1363 if (session_get_display_server (session) == display_server && !session_get_is_stopping (session))
1371 display_server_ready_cb (DisplayServer *display_server, Seat *seat)
1373 const gchar *script;
1376 /* Run setup script */
1377 script = seat_get_string_property (seat, "display-setup-script");
1378 if (script && !run_script (seat, display_server, script, NULL))
1380 l_debug (seat, "Stopping display server due to failed setup script");
1381 display_server_stop (display_server);
1385 emit_upstart_signal ("login-session-start");
1387 /* Start the session waiting for this display server */
1388 session = find_session_for_display_server (seat, display_server);
1391 if (session_get_is_authenticated (session))
1393 l_debug (seat, "Display server ready, running session");
1394 run_session (seat, session);
1398 l_debug (seat, "Display server ready, starting session authentication");
1399 start_session (seat, session);
1404 l_debug (seat, "Stopping not required display server");
1405 display_server_stop (display_server);
1409 static DisplayServer *
1410 create_display_server (Seat *seat, Session *session)
1412 DisplayServer *display_server;
1414 l_debug (seat, "Creating display server of type %s", session_get_session_type (session));
1416 display_server = SEAT_GET_CLASS (seat)->create_display_server (seat, session);
1417 if (!display_server)
1420 seat->priv->display_servers = g_list_append (seat->priv->display_servers, display_server);
1421 g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_READY, G_CALLBACK (display_server_ready_cb), seat);
1422 g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (display_server_stopped_cb), seat);
1424 return display_server;
1428 seat_switch_to_greeter (Seat *seat)
1430 Greeter *greeter_session;
1431 DisplayServer *display_server;
1433 g_return_val_if_fail (seat != NULL, FALSE);
1435 if (!seat_get_can_switch (seat))
1438 /* Switch to greeter if one open */
1439 greeter_session = find_greeter_session (seat);
1440 if (greeter_session)
1442 l_debug (seat, "Switching to existing greeter");
1443 seat_set_active_session (seat, SESSION (greeter_session));
1447 greeter_session = create_greeter_session (seat);
1448 if (!greeter_session)
1451 g_clear_object (&seat->priv->session_to_activate);
1452 seat->priv->session_to_activate = g_object_ref (greeter_session);
1454 display_server = create_display_server (seat, SESSION (greeter_session));
1455 session_set_display_server (SESSION (greeter_session), display_server);
1457 return display_server_start (display_server);
1461 switch_authentication_complete_cb (Session *session, Seat *seat)
1463 Greeter *greeter_session;
1464 DisplayServer *display_server;
1465 gboolean existing = FALSE;
1467 /* If authenticated, then unlock existing session or start new one */
1468 if (session_get_is_authenticated (session))
1472 s = find_user_session (seat, session_get_username (session), session);
1475 l_debug (seat, "Session authenticated, switching to existing user session");
1477 seat_set_active_session (seat, s);
1478 session_stop (session);
1482 l_debug (seat, "Session authenticated, starting display server");
1483 g_clear_object (&seat->priv->session_to_activate);
1484 seat->priv->session_to_activate = g_object_ref (session);
1485 display_server = create_display_server (seat, session);
1486 session_set_display_server (session, display_server);
1487 display_server_start (display_server);
1493 session_stop (session);
1495 /* See if we already have a greeter up and reuse it if so */
1496 greeter_session = find_resettable_greeter (seat);
1497 if (greeter_session)
1499 l_debug (seat, "Switching to existing greeter to authenticate session");
1500 set_greeter_hints (seat, greeter_session);
1505 l_debug (seat, "Starting greeter to authenticate session");
1506 greeter_session = create_greeter_session (seat);
1509 if (session_get_is_guest (session))
1510 greeter_set_hint (greeter_session, "select-guest", "true");
1512 greeter_set_hint (greeter_session, "select-user", session_get_username (session));
1516 greeter_reset (greeter_session);
1517 seat_set_active_session (seat, SESSION (greeter_session));
1521 g_clear_object (&seat->priv->session_to_activate);
1522 seat->priv->session_to_activate = g_object_ref (greeter_session);
1524 display_server = create_display_server (seat, SESSION (greeter_session));
1525 session_set_display_server (SESSION (greeter_session), display_server);
1526 display_server_start (display_server);
1531 seat_switch_to_user (Seat *seat, const gchar *username, const gchar *session_name)
1535 g_return_val_if_fail (seat != NULL, FALSE);
1536 g_return_val_if_fail (username != NULL, FALSE);
1538 if (!seat_get_can_switch (seat))
1541 /* If we're already on this session, then ignore */
1542 session = find_user_session (seat, username, NULL);
1543 if (session && session == seat->priv->active_session)
1546 l_debug (seat, "Switching to user %s", username);
1548 /* Attempt to authenticate them */
1549 session = create_user_session (seat, username, FALSE);
1550 g_signal_connect (session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (switch_authentication_complete_cb), seat);
1551 session_set_pam_service (session, seat_get_string_property (seat, "pam-service"));
1553 return session_start (session);
1557 find_guest_session (Seat *seat)
1561 for (link = seat->priv->sessions; link; link = link->next)
1563 Session *session = link->data;
1564 if (!session_get_is_stopping (session) && session_get_is_guest (session))
1572 seat_switch_to_guest (Seat *seat, const gchar *session_name)
1575 DisplayServer *display_server;
1577 g_return_val_if_fail (seat != NULL, FALSE);
1579 if (!seat_get_can_switch (seat) || !seat_get_allow_guest (seat))
1582 /* Switch to session if one open */
1583 session = find_guest_session (seat);
1586 l_debug (seat, "Switching to existing guest account %s", session_get_username (session));
1587 seat_set_active_session (seat, session);
1591 session = create_guest_session (seat, session_name);
1595 display_server = create_display_server (seat, session);
1597 g_clear_object (&seat->priv->session_to_activate);
1598 seat->priv->session_to_activate = g_object_ref (session);
1599 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1600 session_set_display_server (session, display_server);
1602 return display_server_start (display_server);
1606 seat_lock (Seat *seat, const gchar *username)
1608 Greeter *greeter_session;
1609 DisplayServer *display_server = NULL;
1610 gboolean reset_existing = FALSE;
1611 gboolean reuse_xserver = FALSE;
1613 g_return_val_if_fail (seat != NULL, FALSE);
1615 if (!seat_get_can_switch (seat))
1618 // FIXME: If already locked then don't bother...
1620 l_debug (seat, "Locking");
1622 /* Switch to greeter we can reuse */
1623 greeter_session = find_resettable_greeter (seat);
1624 if (greeter_session)
1626 l_debug (seat, "Switching to existing greeter");
1627 set_greeter_hints (seat, greeter_session);
1628 reset_existing = TRUE;
1632 /* If the existing greeter can't be reused, stop it and reuse its display server */
1633 greeter_session = find_greeter_session (seat);
1634 if (greeter_session)
1636 display_server = session_get_display_server (SESSION (greeter_session));
1637 if (!session_get_is_stopping (SESSION (greeter_session)))
1639 l_debug (seat, "Stopping session");
1640 session_stop (SESSION (greeter_session));
1642 reuse_xserver = TRUE;
1645 greeter_session = create_greeter_session (seat);
1646 if (!greeter_session)
1650 greeter_set_hint (greeter_session, "lock-screen", "true");
1652 greeter_set_hint (greeter_session, "select-user", username);
1656 greeter_reset (greeter_session);
1657 seat_set_active_session (seat, SESSION (greeter_session));
1663 display_server = create_display_server (seat, SESSION (greeter_session));
1664 session_set_display_server (SESSION (greeter_session), display_server);
1666 g_clear_object (&seat->priv->session_to_activate);
1667 seat->priv->session_to_activate = g_object_ref (greeter_session);
1671 g_clear_object (&seat->priv->replacement_greeter);
1672 seat->priv->replacement_greeter = g_object_ref (greeter_session);
1676 return display_server_start (display_server);
1681 seat_stop (Seat *seat)
1683 g_return_if_fail (seat != NULL);
1685 if (seat->priv->stopping)
1688 l_debug (seat, "Stopping");
1689 seat->priv->stopping = TRUE;
1690 SEAT_GET_CLASS (seat)->stop (seat);
1694 seat_get_is_stopping (Seat *seat)
1696 g_return_val_if_fail (seat != NULL, FALSE);
1697 return seat->priv->stopping;
1701 seat_real_setup (Seat *seat)
1706 seat_real_start (Seat *seat)
1708 const gchar *autologin_username;
1709 int autologin_timeout;
1710 gboolean autologin_guest;
1711 gboolean autologin_in_background;
1712 Session *session = NULL, *background_session = NULL;
1714 /* Get autologin settings */
1715 autologin_username = seat_get_string_property (seat, "autologin-user");
1716 if (g_strcmp0 (autologin_username, "") == 0)
1717 autologin_username = NULL;
1718 autologin_timeout = seat_get_integer_property (seat, "autologin-user-timeout");
1719 autologin_guest = seat_get_boolean_property (seat, "autologin-guest");
1720 autologin_in_background = seat_get_boolean_property (seat, "autologin-in-background");
1722 /* Autologin if configured */
1723 if (autologin_timeout == 0 || autologin_in_background)
1725 if (autologin_guest)
1726 session = create_guest_session (seat, NULL);
1727 else if (autologin_username != NULL)
1728 session = create_user_session (seat, autologin_username, TRUE);
1731 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1733 /* Load in background if required */
1734 if (autologin_in_background && session)
1736 background_session = session;
1742 DisplayServer *display_server;
1744 g_clear_object (&seat->priv->session_to_activate);
1745 seat->priv->session_to_activate = g_object_ref (session);
1747 display_server = create_display_server (seat, session);
1748 session_set_display_server (session, display_server);
1749 if (!display_server || !display_server_start (display_server))
1751 l_debug (seat, "Can't create display server for automatic login");
1752 session_stop (session);
1754 display_server_stop (display_server);
1760 /* Fallback to a greeter */
1763 Greeter *greeter_session;
1764 DisplayServer *display_server;
1766 greeter_session = create_greeter_session (seat);
1767 if (!greeter_session)
1769 l_debug (seat, "Failed to create greeter session");
1773 g_clear_object (&seat->priv->session_to_activate);
1774 seat->priv->session_to_activate = g_object_ref (greeter_session);
1775 session = SESSION (greeter_session);
1777 display_server = create_display_server (seat, session);
1778 session_set_display_server (session, display_server);
1779 if (!display_server || !display_server_start (display_server))
1781 l_debug (seat, "Can't create display server for greeter");
1782 session_stop (session);
1784 display_server_stop (display_server);
1789 /* Fail if can't start a session */
1796 /* Start background session */
1797 if (background_session)
1799 DisplayServer *background_display_server;
1801 background_display_server = create_display_server (seat, background_session);
1802 session_set_display_server (background_session, background_display_server);
1803 if (!display_server_start (background_display_server))
1804 l_warning (seat, "Failed to start display server for background session");
1811 seat_real_create_greeter_session (Seat *seat)
1813 return greeter_new ();
1817 seat_real_create_session (Seat *seat)
1819 return session_new ();
1823 seat_real_set_active_session (Seat *seat, Session *session)
1828 seat_real_set_next_session (Seat *seat, Session *session)
1833 seat_real_get_active_session (Seat *seat)
1839 seat_real_stop (Seat *seat)
1843 check_stopped (seat);
1844 if (seat->priv->stopped)
1847 /* Stop all the display servers and sessions on the seat. Copy the list as
1848 * it might be modified if a display server / session stops during this loop */
1849 list = g_list_copy (seat->priv->display_servers);
1850 for (link = list; link; link = link->next)
1851 g_object_ref (link->data);
1852 for (link = list; link; link = link->next)
1854 DisplayServer *display_server = link->data;
1855 if (!display_server_get_is_stopping (display_server))
1857 l_debug (seat, "Stopping display server");
1858 display_server_stop (display_server);
1861 g_list_free_full (list, g_object_unref);
1862 list = g_list_copy (seat->priv->sessions);
1863 for (link = list; link; link = link->next)
1864 g_object_ref (link->data);
1865 for (link = list; link; link = link->next)
1867 Session *session = link->data;
1868 if (!session_get_is_stopping (session))
1870 l_debug (seat, "Stopping session");
1871 session_stop (session);
1874 g_list_free_full (list, g_object_unref);
1878 seat_init (Seat *seat)
1880 seat->priv = G_TYPE_INSTANCE_GET_PRIVATE (seat, SEAT_TYPE, SeatPrivate);
1881 seat->priv->properties = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
1882 seat->priv->share_display_server = TRUE;
1886 seat_finalize (GObject *object)
1888 Seat *self = SEAT (object);
1891 g_free (self->priv->name);
1892 g_hash_table_unref (self->priv->properties);
1893 for (link = self->priv->display_servers; link; link = link->next)
1895 DisplayServer *display_server = link->data;
1896 g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self);
1898 g_list_free_full (self->priv->display_servers, g_object_unref);
1899 for (link = self->priv->sessions; link; link = link->next)
1901 Session *session = link->data;
1902 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self);
1904 g_list_free_full (self->priv->sessions, g_object_unref);
1905 g_clear_object (&self->priv->active_session);
1906 g_clear_object (&self->priv->next_session);
1907 g_clear_object (&self->priv->session_to_activate);
1908 g_clear_object (&self->priv->replacement_greeter);
1910 G_OBJECT_CLASS (seat_parent_class)->finalize (object);
1914 seat_class_init (SeatClass *klass)
1916 GObjectClass *object_class = G_OBJECT_CLASS (klass);
1918 klass->setup = seat_real_setup;
1919 klass->start = seat_real_start;
1920 klass->create_greeter_session = seat_real_create_greeter_session;
1921 klass->create_session = seat_real_create_session;
1922 klass->set_active_session = seat_real_set_active_session;
1923 klass->get_active_session = seat_real_get_active_session;
1924 klass->set_next_session = seat_real_set_next_session;
1925 klass->run_script = seat_real_run_script;
1926 klass->stop = seat_real_stop;
1928 object_class->finalize = seat_finalize;
1930 g_type_class_add_private (klass, sizeof (SeatPrivate));
1932 signals[SESSION_ADDED] =
1933 g_signal_new (SEAT_SIGNAL_SESSION_ADDED,
1934 G_TYPE_FROM_CLASS (klass),
1936 G_STRUCT_OFFSET (SeatClass, session_added),
1939 G_TYPE_NONE, 1, SESSION_TYPE);
1940 signals[RUNNING_USER_SESSION] =
1941 g_signal_new (SEAT_SIGNAL_RUNNING_USER_SESSION,
1942 G_TYPE_FROM_CLASS (klass),
1944 G_STRUCT_OFFSET (SeatClass, running_user_session),
1947 G_TYPE_NONE, 1, SESSION_TYPE);
1948 signals[SESSION_REMOVED] =
1949 g_signal_new (SEAT_SIGNAL_SESSION_REMOVED,
1950 G_TYPE_FROM_CLASS (klass),
1952 G_STRUCT_OFFSET (SeatClass, session_removed),
1955 G_TYPE_NONE, 1, SESSION_TYPE);
1957 g_signal_new (SEAT_SIGNAL_STOPPED,
1958 G_TYPE_FROM_CLASS (klass),
1960 G_STRUCT_OFFSET (SeatClass, stopped),
1967 seat_real_logprefix (Logger *self, gchar *buf, gulong buflen)
1969 return g_snprintf (buf, buflen, "Seat %s: ", SEAT (self)->priv->name);
1973 seat_logger_iface_init (LoggerInterface *iface)
1975 iface->logprefix = &seat_real_logprefix;