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);
413 /* OK if it fails, probably not installed or not running upstart */
414 p = g_subprocess_new (G_SUBPROCESS_FLAGS_STDERR_SILENCE, NULL, "initctl", "-q", "emit", signal, "DISPLAY_MANAGER=lightdm", NULL);
419 check_stopped (Seat *seat)
421 if (seat->priv->stopping &&
422 !seat->priv->stopped &&
423 g_list_length (seat->priv->display_servers) == 0 &&
424 g_list_length (seat->priv->sessions) == 0)
426 seat->priv->stopped = TRUE;
427 l_debug (seat, "Stopped");
428 g_signal_emit (seat, signals[STOPPED], 0);
433 display_server_stopped_cb (DisplayServer *display_server, Seat *seat)
437 Session *active_session;
439 l_debug (seat, "Display server stopped");
441 /* Run a script right after stopping the display server */
442 script = seat_get_string_property (seat, "display-stopped-script");
444 run_script (seat, NULL, script, NULL);
446 g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
447 seat->priv->display_servers = g_list_remove (seat->priv->display_servers, display_server);
449 if (seat->priv->stopping || !seat->priv->started)
451 check_stopped (seat);
452 g_object_unref (display_server);
456 /* Stop all sessions on this display server */
457 list = g_list_copy (seat->priv->sessions);
458 for (link = list; link; link = link->next)
459 g_object_ref (link->data);
460 for (link = list; link; link = link->next)
462 Session *session = link->data;
464 if (session_get_display_server (session) != display_server || session_get_is_stopping (session))
467 /* Stop seat if this is the only display server and it failed to start a greeter */
468 if (IS_GREETER (session) &&
469 !session_get_is_started (session) &&
470 g_list_length (seat->priv->display_servers) == 0)
472 l_debug (seat, "Stopping; greeter display server failed to start");
476 l_debug (seat, "Stopping session");
477 session_stop (session);
479 g_list_free_full (list, g_object_unref);
481 if (!seat->priv->stopping)
483 /* If we were the active session, switch to a greeter */
484 active_session = seat_get_active_session (seat);
485 if (!active_session || session_get_display_server (active_session) == display_server)
487 l_debug (seat, "Active display server stopped, starting greeter");
488 if (!seat_switch_to_greeter (seat))
490 l_debug (seat, "Stopping; failed to start a greeter");
496 g_object_unref (display_server);
500 can_share_display_server (Seat *seat, DisplayServer *display_server)
502 return seat->priv->share_display_server && display_server_get_can_share (display_server);
506 find_greeter_session (Seat *seat)
510 for (link = seat->priv->sessions; link; link = link->next)
512 Session *session = link->data;
513 if (!session_get_is_stopping (session) && IS_GREETER (session))
514 return GREETER (session);
521 find_resettable_greeter (Seat *seat)
525 for (link = seat->priv->sessions; link; link = link->next)
527 Session *session = link->data;
528 if (!session_get_is_stopping (session) && IS_GREETER (session) &&
529 greeter_get_resettable (GREETER (session)))
530 return GREETER (session);
537 set_greeter_hints (Seat *seat, Greeter *greeter_session)
539 greeter_clear_hints (greeter_session);
540 greeter_set_hint (greeter_session, "default-session", seat_get_string_property (seat, "user-session"));
541 greeter_set_hint (greeter_session, "hide-users", seat_get_boolean_property (seat, "greeter-hide-users") ? "true" : "false");
542 greeter_set_hint (greeter_session, "show-manual-login", seat_get_boolean_property (seat, "greeter-show-manual-login") ? "true" : "false");
543 greeter_set_hint (greeter_session, "show-remote-login", seat_get_boolean_property (seat, "greeter-show-remote-login") ? "true" : "false");
544 greeter_set_hint (greeter_session, "has-guest-account", seat_get_allow_guest (seat) && seat_get_boolean_property (seat, "greeter-allow-guest") ? "true" : "false");
548 switch_to_greeter_from_failed_session (Seat *seat, Session *session)
550 Greeter *greeter_session;
551 gboolean existing = FALSE;
553 /* Switch to greeter if one open */
554 greeter_session = find_resettable_greeter (seat);
557 l_debug (seat, "Switching to existing greeter");
558 set_greeter_hints (seat, greeter_session);
563 greeter_session = create_greeter_session (seat);
566 if (session_get_is_guest (session))
567 greeter_set_hint (greeter_session, "select-guest", "true");
569 greeter_set_hint (greeter_session, "select-user", session_get_username (session));
573 greeter_reset (greeter_session);
574 seat_set_active_session (seat, SESSION (greeter_session));
578 g_clear_object (&seat->priv->session_to_activate);
579 seat->priv->session_to_activate = g_object_ref (greeter_session);
581 if (can_share_display_server (seat, session_get_display_server (session)))
582 session_set_display_server (SESSION (greeter_session), session_get_display_server (session));
585 DisplayServer *display_server;
587 display_server = create_display_server (seat, session);
588 session_set_display_server (session, display_server);
589 if (!display_server_start (display_server))
591 l_debug (seat, "Failed to start display server for greeter");
596 start_session (seat, SESSION (greeter_session));
599 /* Stop failed session */
600 session_stop (session);
604 start_session (Seat *seat, Session *session)
606 /* Use system location for greeter log file */
607 if (IS_GREETER (session))
609 gchar *log_dir, *filename, *log_filename;
610 gboolean backup_logs;
612 log_dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
613 filename = g_strdup_printf ("%s-greeter.log", display_server_get_name (session_get_display_server (session)));
614 log_filename = g_build_filename (log_dir, filename, NULL);
617 backup_logs = config_get_boolean (config_get_instance (), "LightDM", "backup-logs");
618 session_set_log_file (session, log_filename, backup_logs ? LOG_MODE_BACKUP_AND_TRUNCATE : LOG_MODE_APPEND);
619 g_free (log_filename);
622 if (session_start (session))
625 if (IS_GREETER (session))
627 l_debug (seat, "Failed to start greeter");
628 display_server_stop (session_get_display_server (session));
632 l_debug (seat, "Failed to start session, starting greeter");
633 switch_to_greeter_from_failed_session (seat, session);
637 run_session (Seat *seat, Session *session)
641 if (IS_GREETER (session))
642 script = seat_get_string_property (seat, "greeter-setup-script");
644 script = seat_get_string_property (seat, "session-setup-script");
645 if (script && !run_script (seat, session_get_display_server (session), script, session_get_user (session)))
647 l_debug (seat, "Switching to greeter due to failed setup script");
648 switch_to_greeter_from_failed_session (seat, session);
652 if (!IS_GREETER (session))
654 g_signal_emit (seat, signals[RUNNING_USER_SESSION], 0, session);
655 emit_upstart_signal ("desktop-session-start");
658 session_run (session);
660 // FIXME: Wait until the session is ready
662 if (session == seat->priv->session_to_activate)
664 seat_set_active_session (seat, session);
665 g_clear_object (&seat->priv->session_to_activate);
667 else if (seat->priv->active_session)
669 /* Multiple sessions can theoretically be on the same VT (especially
670 if using Mir). If a new session appears on an existing active VT,
671 logind will mark it as active, while ConsoleKit will re-mark the
672 oldest session as active. In either case, that may not be the
673 session that we want to be active. So let's be explicit and
674 re-activate the correct session whenever a new session starts.
675 There's no harm to do this in seats that enforce separate VTs. */
676 session_activate (seat->priv->active_session);
681 find_user_session (Seat *seat, const gchar *username, Session *ignore_session)
688 for (link = seat->priv->sessions; link; link = link->next)
690 Session *session = link->data;
692 if (session == ignore_session)
695 if (!session_get_is_stopping (session) && g_strcmp0 (session_get_username (session), username) == 0)
703 greeter_active_username_changed_cb (Greeter *greeter, GParamSpec *pspec, Seat *seat)
707 session = find_user_session (seat, greeter_get_active_username (greeter), seat->priv->active_session);
709 g_clear_object (&seat->priv->next_session);
710 seat->priv->next_session = session ? g_object_ref (session) : NULL;
712 SEAT_GET_CLASS (seat)->set_next_session (seat, session);
716 session_authentication_complete_cb (Session *session, Seat *seat)
718 if (session_get_is_authenticated (session))
722 s = find_user_session (seat, session_get_username (session), session);
725 l_debug (seat, "Session authenticated, switching to existing user session");
726 seat_set_active_session (seat, s);
727 session_stop (session);
731 l_debug (seat, "Session authenticated, running command");
732 run_session (seat, session);
735 else if (!IS_GREETER (session))
737 l_debug (seat, "Switching to greeter due to failed authentication");
738 switch_to_greeter_from_failed_session (seat, session);
742 l_debug (seat, "Stopping session that failed authentication");
743 session_stop (session);
748 session_stopped_cb (Session *session, Seat *seat)
750 DisplayServer *display_server;
752 l_debug (seat, "Session stopped");
754 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
755 seat->priv->sessions = g_list_remove (seat->priv->sessions, session);
756 if (session == seat->priv->active_session)
757 g_clear_object (&seat->priv->active_session);
758 if (session == seat->priv->next_session)
759 g_clear_object (&seat->priv->next_session);
760 if (session == seat->priv->session_to_activate)
761 g_clear_object (&seat->priv->session_to_activate);
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)
782 g_clear_object (&seat->priv->session_to_activate);
784 if (seat->priv->stopping)
786 check_stopped (seat);
787 g_object_unref (session);
791 /* If there is a pending replacement greeter, start it */
792 if (IS_GREETER (session) && seat->priv->replacement_greeter)
794 Greeter *replacement_greeter = seat->priv->replacement_greeter;
795 seat->priv->replacement_greeter = NULL;
797 if (session_get_is_authenticated (SESSION (replacement_greeter)))
799 l_debug (seat, "Greeter stopped, running session");
800 run_session (seat, SESSION (replacement_greeter));
804 l_debug (seat, "Greeter stopped, starting session authentication");
805 start_session (seat, SESSION (replacement_greeter));
808 g_object_unref (replacement_greeter);
810 /* If this is the greeter session then re-use this display server */
811 else if (IS_GREETER (session) &&
812 can_share_display_server (seat, display_server) &&
813 greeter_get_start_session (GREETER (session)))
817 for (link = seat->priv->sessions; link; link = link->next)
819 Session *s = link->data;
821 /* Skip this session and sessions on other display servers */
822 if (s == session || session_get_display_server (s) != display_server || session_get_is_stopping (s))
825 if (session_get_is_authenticated (s))
827 l_debug (seat, "Greeter stopped, running session");
828 run_session (seat, s);
832 l_debug (seat, "Greeter stopped, starting session authentication");
833 start_session (seat, s);
838 /* If this is the greeter and nothing else is running then stop the seat */
839 else if (IS_GREETER (session) &&
840 !greeter_get_start_session (GREETER (session)) &&
841 g_list_length (seat->priv->display_servers) == 1 &&
842 g_list_nth_data (seat->priv->display_servers, 0) == display_server)
844 l_debug (seat, "Stopping; failed to start a greeter");
847 /* If we were the active session, switch to a greeter */
848 else if (!IS_GREETER (session) && session == seat_get_active_session (seat))
850 l_debug (seat, "Active session stopped, starting greeter");
851 if (!seat_switch_to_greeter (seat))
853 l_debug (seat, "Stopping; failed to start a greeter");
858 /* Stop the display server if no-longer required */
859 if (display_server && !display_server_get_is_stopping (display_server))
864 for (link = seat->priv->sessions; link; link = link->next)
866 Session *s = link->data;
869 if (session_get_display_server (s) == display_server)
874 l_debug (seat, "Stopping display server, no sessions require it");
875 display_server_stop (display_server);
879 g_signal_emit (seat, signals[SESSION_REMOVED], 0, session);
880 g_object_unref (session);
884 set_session_env (Session *session)
886 /* Connect using the session bus */
889 if (g_getenv ("DBUS_SESSION_BUS_ADDRESS"))
890 session_set_env (session, "DBUS_SESSION_BUS_ADDRESS", g_getenv ("DBUS_SESSION_BUS_ADDRESS"));
891 session_set_env (session, "LDM_BUS", "SESSION");
892 if (g_getenv ("LD_PRELOAD"))
893 session_set_env (session, "LD_PRELOAD", g_getenv ("LD_PRELOAD"));
894 if (g_getenv ("LD_LIBRARY_PATH"))
895 session_set_env (session, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
896 if (g_getenv ("PATH"))
897 session_set_env (session, "PATH", g_getenv ("PATH"));
900 /* Variables required for regression tests */
901 if (g_getenv ("LIGHTDM_TEST_ROOT"))
903 session_set_env (session, "LIGHTDM_TEST_ROOT", g_getenv ("LIGHTDM_TEST_ROOT"));
904 session_set_env (session, "DBUS_SYSTEM_BUS_ADDRESS", g_getenv ("DBUS_SYSTEM_BUS_ADDRESS"));
905 session_set_env (session, "DBUS_SESSION_BUS_ADDRESS", g_getenv ("DBUS_SESSION_BUS_ADDRESS"));
906 session_set_env (session, "LD_PRELOAD", g_getenv ("LD_PRELOAD"));
907 session_set_env (session, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
908 session_set_env (session, "GI_TYPELIB_PATH", g_getenv ("GI_TYPELIB_PATH"));
913 create_session (Seat *seat, gboolean autostart)
917 session = SEAT_GET_CLASS (seat)->create_session (seat);
918 seat->priv->sessions = g_list_append (seat->priv->sessions, session);
920 g_signal_connect (session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (session_authentication_complete_cb), seat);
921 g_signal_connect (session, SESSION_SIGNAL_STOPPED, G_CALLBACK (session_stopped_cb), seat);
923 set_session_env (session);
925 g_signal_emit (seat, signals[SESSION_ADDED], 0, session);
931 get_session_argv (Seat *seat, SessionConfig *session_config, const gchar *session_wrapper)
936 GError *error = NULL;
938 /* If configured, run sessions through a wrapper */
941 argv = g_malloc (sizeof (gchar *) * 3);
942 path = g_find_program_in_path (session_wrapper);
943 argv[0] = path ? path : g_strdup (session_wrapper);
944 argv[1] = g_strdup (session_config_get_command (session_config));
949 /* Split command into an array listing and make command absolute */
950 result = g_shell_parse_argv (session_config_get_command (session_config), &argc, &argv, &error);
952 l_debug (seat, "Invalid session command '%s': %s", session_config_get_command (session_config), error->message);
953 g_clear_error (&error);
956 path = g_find_program_in_path (argv[0]);
966 static SessionConfig *
967 find_session_config (Seat *seat, const gchar *sessions_dir, const gchar *session_name)
970 SessionConfig *session_config = NULL;
972 GError *error = NULL;
974 g_return_val_if_fail (sessions_dir != NULL, NULL);
975 g_return_val_if_fail (session_name != NULL, NULL);
977 dirs = g_strsplit (sessions_dir, ":", -1);
978 for (i = 0; dirs[i]; i++)
980 gchar *filename, *path;
981 const gchar *default_session_type = "x";
983 if (strcmp (dirs[i], WAYLAND_SESSIONS_DIR) == 0)
984 default_session_type = "wayland";
986 filename = g_strdup_printf ("%s.desktop", session_name);
987 path = g_build_filename (dirs[i], filename, NULL);
989 session_config = session_config_new_from_file (path, default_session_type, &error);
994 if (dirs[i+1] == NULL)
995 l_debug (seat, "Failed to find session configuration %s", session_name);
996 g_clear_error (&error);
1000 return session_config;
1004 configure_session (Session *session, SessionConfig *config, const gchar *session_name, const gchar *language)
1006 gchar **desktop_names;
1008 session_set_config (session, config);
1009 session_set_env (session, "XDG_SESSION_DESKTOP", session_name);
1010 session_set_env (session, "DESKTOP_SESSION", session_name);
1011 session_set_env (session, "GDMSESSION", session_name);
1012 desktop_names = session_config_get_desktop_names (config);
1016 value = g_strjoinv (":", desktop_names);
1017 session_set_env (session, "XDG_CURRENT_DESKTOP", value);
1020 if (language && language[0] != '\0')
1022 session_set_env (session, "LANG", language);
1023 session_set_env (session, "GDM_LANG", language);
1028 create_user_session (Seat *seat, const gchar *username, gboolean autostart)
1031 gchar *sessions_dir;
1032 const gchar *session_name, *language;
1033 SessionConfig *session_config;
1034 Session *session = NULL;
1036 l_debug (seat, "Creating user session");
1038 /* Load user preferences */
1039 user = accounts_get_user_by_name (username);
1042 l_debug (seat, "Can't login unknown user '%s'", username);
1045 session_name = user_get_xsession (user);
1046 language = user_get_language (user);
1048 /* Override session for autologin if configured */
1051 const gchar *autologin_session_name = seat_get_string_property (seat, "autologin-session");
1052 if (autologin_session_name)
1053 session_name = autologin_session_name;
1057 session_name = seat_get_string_property (seat, "user-session");
1058 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1059 session_config = find_session_config (seat, sessions_dir, session_name);
1060 g_free (sessions_dir);
1065 session = create_session (seat, autostart);
1066 configure_session (session, session_config, session_name, language);
1067 session_set_username (session, username);
1068 session_set_do_authenticate (session, TRUE);
1069 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1070 session_set_argv (session, argv);
1072 g_object_unref (session_config);
1075 l_debug (seat, "Can't find session '%s'", session_name);
1077 g_object_unref (user);
1083 prepend_argv (gchar ***argv, const gchar *value)
1085 gchar **old_argv, **new_argv;
1089 new_argv = g_malloc (sizeof (gchar *) * (g_strv_length (*argv) + 2));
1090 new_argv[0] = g_strdup (value);
1091 for (i = 0; old_argv[i]; i++)
1092 new_argv[i + 1] = old_argv[i];
1093 new_argv[i + 1] = NULL;
1100 create_guest_session (Seat *seat, const gchar *session_name)
1102 const gchar *guest_wrapper;
1103 gchar *sessions_dir, **argv;
1104 SessionConfig *session_config;
1108 session_name = seat_get_string_property (seat, "guest-session");
1110 session_name = seat_get_string_property (seat, "user-session");
1111 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1112 session_config = find_session_config (seat, sessions_dir, session_name);
1113 g_free (sessions_dir);
1114 if (!session_config)
1116 l_debug (seat, "Can't find session '%s'", session_name);
1120 session = create_session (seat, TRUE);
1121 configure_session (session, session_config, session_name, NULL);
1122 session_set_do_authenticate (session, TRUE);
1123 session_set_is_guest (session, TRUE);
1124 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1125 guest_wrapper = seat_get_string_property (seat, "guest-wrapper");
1129 path = g_find_program_in_path (guest_wrapper);
1130 prepend_argv (&argv, path ? path : guest_wrapper);
1134 session_set_argv (session, argv);
1136 g_object_unref (session_config);
1142 greeter_create_session_cb (Greeter *greeter, Seat *seat)
1146 session = create_session (seat, FALSE);
1147 session_set_config (session, session_get_config (SESSION (greeter)));
1148 session_set_display_server (session, session_get_display_server (SESSION (greeter)));
1150 return g_object_ref (session);
1154 greeter_start_session_cb (Greeter *greeter, SessionType type, const gchar *session_name, Seat *seat)
1156 Session *session, *existing_session;
1157 const gchar *username;
1158 DisplayServer *display_server;
1160 /* Get the session to use */
1161 if (greeter_get_guest_authenticated (greeter))
1163 session = create_guest_session (seat, session_name);
1166 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1170 const gchar *language = NULL;
1171 SessionConfig *session_config;
1173 gchar *sessions_dir = NULL;
1176 session = greeter_get_authentication_session (greeter);
1178 /* Get session command to run */
1181 case SESSION_TYPE_LOCAL:
1182 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1184 case SESSION_TYPE_REMOTE:
1185 sessions_dir = config_get_string (config_get_instance (), "LightDM", "remote-sessions-directory");
1189 /* Load user preferences */
1190 user = session_get_user (session);
1194 session_name = user_get_xsession (user);
1195 language = user_get_language (user);
1199 session_name = seat_get_string_property (seat, "user-session");
1201 user_set_xsession (session_get_user (session), session_name);
1203 session_config = find_session_config (seat, sessions_dir, session_name);
1204 g_free (sessions_dir);
1205 if (!session_config)
1207 l_debug (seat, "Can't find session '%s'", session_name);
1211 configure_session (session, session_config, session_name, language);
1212 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1213 session_set_argv (session, argv);
1215 g_object_unref (session_config);
1218 /* Switch to this session when it is ready */
1219 g_clear_object (&seat->priv->session_to_activate);
1220 seat->priv->session_to_activate = g_object_ref (session);
1222 /* Return to existing session if it is open */
1223 username = session_get_username (session);
1224 existing_session = find_user_session (seat, username, NULL);
1225 if (existing_session && session != existing_session)
1227 l_debug (seat, "Returning to existing user session %s", username);
1228 session_stop (session);
1229 session_unlock (existing_session);
1230 seat_set_active_session (seat, existing_session);
1234 /* If can re-use the display server, stop the greeter first */
1235 display_server = session_get_display_server (SESSION (greeter));
1236 if (!greeter_get_resettable (greeter) &&
1237 can_share_display_server (seat, display_server) &&
1238 strcmp (display_server_get_session_type (display_server), session_get_session_type (session)) == 0)
1240 l_debug (seat, "Stopping greeter; display server will be re-used for user session");
1242 /* Run on the same display server after the greeter has stopped */
1243 session_set_display_server (session, display_server);
1245 /* Stop the greeter */
1246 session_stop (SESSION (greeter));
1250 /* Otherwise start a new display server for this session */
1253 display_server = create_display_server (seat, session);
1254 session_set_display_server (session, display_server);
1255 if (!display_server_start (display_server))
1257 l_debug (seat, "Failed to start display server for new session");
1266 create_greeter_session (Seat *seat)
1268 gchar *sessions_dir, **argv;
1269 SessionConfig *session_config;
1270 Greeter *greeter_session;
1271 const gchar *greeter_wrapper;
1272 const gchar *autologin_username;
1273 int autologin_timeout;
1274 gboolean autologin_guest;
1276 l_debug (seat, "Creating greeter session");
1278 sessions_dir = config_get_string (config_get_instance (), "LightDM", "greeters-directory");
1279 session_config = find_session_config (seat, sessions_dir, seat_get_string_property (seat, "greeter-session"));
1280 g_free (sessions_dir);
1281 if (!session_config)
1284 argv = get_session_argv (seat, session_config, NULL);
1285 greeter_wrapper = seat_get_string_property (seat, "greeter-wrapper");
1286 if (greeter_wrapper)
1289 path = g_find_program_in_path (greeter_wrapper);
1290 prepend_argv (&argv, path ? path : greeter_wrapper);
1294 greeter_session = SEAT_GET_CLASS (seat)->create_greeter_session (seat);
1295 session_set_config (SESSION (greeter_session), session_config);
1296 seat->priv->sessions = g_list_append (seat->priv->sessions, SESSION (greeter_session));
1297 g_signal_connect (greeter_session, GREETER_SIGNAL_ACTIVE_USERNAME_CHANGED, G_CALLBACK (greeter_active_username_changed_cb), seat);
1298 g_signal_connect (greeter_session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (session_authentication_complete_cb), seat);
1299 g_signal_connect (greeter_session, SESSION_SIGNAL_STOPPED, G_CALLBACK (session_stopped_cb), seat);
1301 set_session_env (SESSION (greeter_session));
1302 session_set_env (SESSION (greeter_session), "XDG_SESSION_CLASS", "greeter");
1304 session_set_pam_service (SESSION (greeter_session), seat_get_string_property (seat, "pam-greeter-service"));
1307 gchar *greeter_user;
1308 greeter_user = config_get_string (config_get_instance (), "LightDM", "greeter-user");
1309 session_set_username (SESSION (greeter_session), greeter_user);
1310 g_free (greeter_user);
1314 /* In test mode run the greeter as ourself */
1315 session_set_username (SESSION (greeter_session), user_get_name (accounts_get_current_user ()));
1317 session_set_argv (SESSION (greeter_session), argv);
1320 greeter_set_pam_services (greeter_session,
1321 seat_get_string_property (seat, "pam-service"),
1322 seat_get_string_property (seat, "pam-autologin-service"));
1323 g_signal_connect (greeter_session, GREETER_SIGNAL_CREATE_SESSION, G_CALLBACK (greeter_create_session_cb), seat);
1324 g_signal_connect (greeter_session, GREETER_SIGNAL_START_SESSION, G_CALLBACK (greeter_start_session_cb), seat);
1326 /* Set hints to greeter */
1327 greeter_set_allow_guest (greeter_session, seat_get_allow_guest (seat));
1328 set_greeter_hints (seat, greeter_session);
1330 /* Configure for automatic login */
1331 autologin_username = seat_get_string_property (seat, "autologin-user");
1332 if (g_strcmp0 (autologin_username, "") == 0)
1333 autologin_username = NULL;
1334 autologin_timeout = seat_get_integer_property (seat, "autologin-user-timeout");
1335 autologin_guest = seat_get_boolean_property (seat, "autologin-guest");
1336 if (autologin_timeout > 0)
1340 value = g_strdup_printf ("%d", autologin_timeout);
1341 greeter_set_hint (greeter_session, "autologin-timeout", value);
1343 if (autologin_username)
1344 greeter_set_hint (greeter_session, "autologin-user", autologin_username);
1345 if (autologin_guest)
1346 greeter_set_hint (greeter_session, "autologin-guest", "true");
1349 g_object_unref (session_config);
1351 return greeter_session;
1355 find_session_for_display_server (Seat *seat, DisplayServer *display_server)
1359 for (link = seat->priv->sessions; link; link = link->next)
1361 Session *session = link->data;
1362 if (session_get_display_server (session) == display_server && !session_get_is_stopping (session))
1370 display_server_ready_cb (DisplayServer *display_server, Seat *seat)
1372 const gchar *script;
1375 /* Run setup script */
1376 script = seat_get_string_property (seat, "display-setup-script");
1377 if (script && !run_script (seat, display_server, script, NULL))
1379 l_debug (seat, "Stopping display server due to failed setup script");
1380 display_server_stop (display_server);
1384 emit_upstart_signal ("login-session-start");
1386 /* Start the session waiting for this display server */
1387 session = find_session_for_display_server (seat, display_server);
1390 if (session_get_is_authenticated (session))
1392 l_debug (seat, "Display server ready, running session");
1393 run_session (seat, session);
1397 l_debug (seat, "Display server ready, starting session authentication");
1398 start_session (seat, session);
1403 l_debug (seat, "Stopping not required display server");
1404 display_server_stop (display_server);
1408 static DisplayServer *
1409 create_display_server (Seat *seat, Session *session)
1411 DisplayServer *display_server;
1413 l_debug (seat, "Creating display server of type %s", session_get_session_type (session));
1415 display_server = SEAT_GET_CLASS (seat)->create_display_server (seat, session);
1416 if (!display_server)
1419 seat->priv->display_servers = g_list_append (seat->priv->display_servers, display_server);
1420 g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_READY, G_CALLBACK (display_server_ready_cb), seat);
1421 g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (display_server_stopped_cb), seat);
1423 return display_server;
1427 seat_switch_to_greeter (Seat *seat)
1429 Greeter *greeter_session;
1430 DisplayServer *display_server;
1432 g_return_val_if_fail (seat != NULL, FALSE);
1434 if (!seat_get_can_switch (seat))
1437 /* Switch to greeter if one open */
1438 greeter_session = find_greeter_session (seat);
1439 if (greeter_session)
1441 l_debug (seat, "Switching to existing greeter");
1442 seat_set_active_session (seat, SESSION (greeter_session));
1446 greeter_session = create_greeter_session (seat);
1447 if (!greeter_session)
1450 g_clear_object (&seat->priv->session_to_activate);
1451 seat->priv->session_to_activate = g_object_ref (greeter_session);
1453 display_server = create_display_server (seat, SESSION (greeter_session));
1454 session_set_display_server (SESSION (greeter_session), display_server);
1456 return display_server_start (display_server);
1460 switch_authentication_complete_cb (Session *session, Seat *seat)
1462 Greeter *greeter_session;
1463 DisplayServer *display_server;
1464 gboolean existing = FALSE;
1466 /* If authenticated, then unlock existing session or start new one */
1467 if (session_get_is_authenticated (session))
1471 s = find_user_session (seat, session_get_username (session), session);
1474 l_debug (seat, "Session authenticated, switching to existing user session");
1476 seat_set_active_session (seat, s);
1477 session_stop (session);
1481 l_debug (seat, "Session authenticated, starting display server");
1482 g_clear_object (&seat->priv->session_to_activate);
1483 seat->priv->session_to_activate = g_object_ref (session);
1484 display_server = create_display_server (seat, session);
1485 session_set_display_server (session, display_server);
1486 display_server_start (display_server);
1492 session_stop (session);
1494 /* See if we already have a greeter up and reuse it if so */
1495 greeter_session = find_resettable_greeter (seat);
1496 if (greeter_session)
1498 l_debug (seat, "Switching to existing greeter to authenticate session");
1499 set_greeter_hints (seat, greeter_session);
1504 l_debug (seat, "Starting greeter to authenticate session");
1505 greeter_session = create_greeter_session (seat);
1508 if (session_get_is_guest (session))
1509 greeter_set_hint (greeter_session, "select-guest", "true");
1511 greeter_set_hint (greeter_session, "select-user", session_get_username (session));
1515 greeter_reset (greeter_session);
1516 seat_set_active_session (seat, SESSION (greeter_session));
1520 g_clear_object (&seat->priv->session_to_activate);
1521 seat->priv->session_to_activate = g_object_ref (greeter_session);
1523 display_server = create_display_server (seat, SESSION (greeter_session));
1524 session_set_display_server (SESSION (greeter_session), display_server);
1525 display_server_start (display_server);
1530 seat_switch_to_user (Seat *seat, const gchar *username, const gchar *session_name)
1534 g_return_val_if_fail (seat != NULL, FALSE);
1535 g_return_val_if_fail (username != NULL, FALSE);
1537 if (!seat_get_can_switch (seat))
1540 /* If we're already on this session, then ignore */
1541 session = find_user_session (seat, username, NULL);
1542 if (session && session == seat->priv->active_session)
1545 l_debug (seat, "Switching to user %s", username);
1547 /* Attempt to authenticate them */
1548 session = create_user_session (seat, username, FALSE);
1549 g_signal_connect (session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (switch_authentication_complete_cb), seat);
1550 session_set_pam_service (session, seat_get_string_property (seat, "pam-service"));
1552 return session_start (session);
1556 find_guest_session (Seat *seat)
1560 for (link = seat->priv->sessions; link; link = link->next)
1562 Session *session = link->data;
1563 if (!session_get_is_stopping (session) && session_get_is_guest (session))
1571 seat_switch_to_guest (Seat *seat, const gchar *session_name)
1574 DisplayServer *display_server;
1576 g_return_val_if_fail (seat != NULL, FALSE);
1578 if (!seat_get_can_switch (seat) || !seat_get_allow_guest (seat))
1581 /* Switch to session if one open */
1582 session = find_guest_session (seat);
1585 l_debug (seat, "Switching to existing guest account %s", session_get_username (session));
1586 seat_set_active_session (seat, session);
1590 session = create_guest_session (seat, session_name);
1594 display_server = create_display_server (seat, session);
1596 g_clear_object (&seat->priv->session_to_activate);
1597 seat->priv->session_to_activate = g_object_ref (session);
1598 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1599 session_set_display_server (session, display_server);
1601 return display_server_start (display_server);
1605 seat_lock (Seat *seat, const gchar *username)
1607 Greeter *greeter_session;
1608 DisplayServer *display_server = NULL;
1609 gboolean reset_existing = FALSE;
1610 gboolean reuse_xserver = FALSE;
1612 g_return_val_if_fail (seat != NULL, FALSE);
1614 if (!seat_get_can_switch (seat))
1617 // FIXME: If already locked then don't bother...
1619 l_debug (seat, "Locking");
1621 /* Switch to greeter we can reuse */
1622 greeter_session = find_resettable_greeter (seat);
1623 if (greeter_session)
1625 l_debug (seat, "Switching to existing greeter");
1626 set_greeter_hints (seat, greeter_session);
1627 reset_existing = TRUE;
1631 /* If the existing greeter can't be reused, stop it and reuse its display server */
1632 greeter_session = find_greeter_session (seat);
1633 if (greeter_session)
1635 display_server = session_get_display_server (SESSION (greeter_session));
1636 if (!session_get_is_stopping (SESSION (greeter_session)))
1638 l_debug (seat, "Stopping session");
1639 session_stop (SESSION (greeter_session));
1641 reuse_xserver = TRUE;
1644 greeter_session = create_greeter_session (seat);
1645 if (!greeter_session)
1649 greeter_set_hint (greeter_session, "lock-screen", "true");
1651 greeter_set_hint (greeter_session, "select-user", username);
1655 greeter_reset (greeter_session);
1656 seat_set_active_session (seat, SESSION (greeter_session));
1662 display_server = create_display_server (seat, SESSION (greeter_session));
1663 session_set_display_server (SESSION (greeter_session), display_server);
1665 g_clear_object (&seat->priv->session_to_activate);
1666 seat->priv->session_to_activate = g_object_ref (greeter_session);
1670 g_clear_object (&seat->priv->replacement_greeter);
1671 seat->priv->replacement_greeter = g_object_ref (greeter_session);
1675 return display_server_start (display_server);
1680 seat_stop (Seat *seat)
1682 g_return_if_fail (seat != NULL);
1684 if (seat->priv->stopping)
1687 l_debug (seat, "Stopping");
1688 seat->priv->stopping = TRUE;
1689 SEAT_GET_CLASS (seat)->stop (seat);
1693 seat_get_is_stopping (Seat *seat)
1695 g_return_val_if_fail (seat != NULL, FALSE);
1696 return seat->priv->stopping;
1700 seat_real_setup (Seat *seat)
1705 seat_real_start (Seat *seat)
1707 const gchar *autologin_username;
1708 int autologin_timeout;
1709 gboolean autologin_guest;
1710 gboolean autologin_in_background;
1711 Session *session = NULL, *background_session = NULL;
1713 /* Get autologin settings */
1714 autologin_username = seat_get_string_property (seat, "autologin-user");
1715 if (g_strcmp0 (autologin_username, "") == 0)
1716 autologin_username = NULL;
1717 autologin_timeout = seat_get_integer_property (seat, "autologin-user-timeout");
1718 autologin_guest = seat_get_boolean_property (seat, "autologin-guest");
1719 autologin_in_background = seat_get_boolean_property (seat, "autologin-in-background");
1721 /* Autologin if configured */
1722 if (autologin_timeout == 0 || autologin_in_background)
1724 if (autologin_guest)
1725 session = create_guest_session (seat, NULL);
1726 else if (autologin_username != NULL)
1727 session = create_user_session (seat, autologin_username, TRUE);
1730 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1732 /* Load in background if required */
1733 if (autologin_in_background && session)
1735 background_session = session;
1741 DisplayServer *display_server;
1743 g_clear_object (&seat->priv->session_to_activate);
1744 seat->priv->session_to_activate = g_object_ref (session);
1746 display_server = create_display_server (seat, session);
1747 session_set_display_server (session, display_server);
1748 if (!display_server || !display_server_start (display_server))
1750 l_debug (seat, "Can't create display server for automatic login");
1751 session_stop (session);
1753 display_server_stop (display_server);
1759 /* Fallback to a greeter */
1762 Greeter *greeter_session;
1763 DisplayServer *display_server;
1765 greeter_session = create_greeter_session (seat);
1766 if (!greeter_session)
1768 l_debug (seat, "Failed to create greeter session");
1772 g_clear_object (&seat->priv->session_to_activate);
1773 seat->priv->session_to_activate = g_object_ref (greeter_session);
1774 session = SESSION (greeter_session);
1776 display_server = create_display_server (seat, session);
1777 session_set_display_server (session, display_server);
1778 if (!display_server || !display_server_start (display_server))
1780 l_debug (seat, "Can't create display server for greeter");
1781 session_stop (session);
1783 display_server_stop (display_server);
1788 /* Fail if can't start a session */
1795 /* Start background session */
1796 if (background_session)
1798 DisplayServer *background_display_server;
1800 background_display_server = create_display_server (seat, background_session);
1801 session_set_display_server (background_session, background_display_server);
1802 if (!display_server_start (background_display_server))
1803 l_warning (seat, "Failed to start display server for background session");
1810 seat_real_create_greeter_session (Seat *seat)
1812 return greeter_new ();
1816 seat_real_create_session (Seat *seat)
1818 return session_new ();
1822 seat_real_set_active_session (Seat *seat, Session *session)
1827 seat_real_set_next_session (Seat *seat, Session *session)
1832 seat_real_get_active_session (Seat *seat)
1838 seat_real_stop (Seat *seat)
1842 check_stopped (seat);
1843 if (seat->priv->stopped)
1846 /* Stop all the display servers and sessions on the seat. Copy the list as
1847 * it might be modified if a display server / session stops during this loop */
1848 list = g_list_copy (seat->priv->display_servers);
1849 for (link = list; link; link = link->next)
1850 g_object_ref (link->data);
1851 for (link = list; link; link = link->next)
1853 DisplayServer *display_server = link->data;
1854 if (!display_server_get_is_stopping (display_server))
1856 l_debug (seat, "Stopping display server");
1857 display_server_stop (display_server);
1860 g_list_free_full (list, g_object_unref);
1861 list = g_list_copy (seat->priv->sessions);
1862 for (link = list; link; link = link->next)
1863 g_object_ref (link->data);
1864 for (link = list; link; link = link->next)
1866 Session *session = link->data;
1867 if (!session_get_is_stopping (session))
1869 l_debug (seat, "Stopping session");
1870 session_stop (session);
1873 g_list_free_full (list, g_object_unref);
1877 seat_init (Seat *seat)
1879 seat->priv = G_TYPE_INSTANCE_GET_PRIVATE (seat, SEAT_TYPE, SeatPrivate);
1880 seat->priv->properties = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
1881 seat->priv->share_display_server = TRUE;
1885 seat_finalize (GObject *object)
1887 Seat *self = SEAT (object);
1890 g_free (self->priv->name);
1891 g_hash_table_unref (self->priv->properties);
1892 for (link = self->priv->display_servers; link; link = link->next)
1894 DisplayServer *display_server = link->data;
1895 g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self);
1897 g_list_free_full (self->priv->display_servers, g_object_unref);
1898 for (link = self->priv->sessions; link; link = link->next)
1900 Session *session = link->data;
1901 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self);
1903 g_list_free_full (self->priv->sessions, g_object_unref);
1904 g_clear_object (&self->priv->active_session);
1905 g_clear_object (&self->priv->next_session);
1906 g_clear_object (&self->priv->session_to_activate);
1907 g_clear_object (&self->priv->replacement_greeter);
1909 G_OBJECT_CLASS (seat_parent_class)->finalize (object);
1913 seat_class_init (SeatClass *klass)
1915 GObjectClass *object_class = G_OBJECT_CLASS (klass);
1917 klass->setup = seat_real_setup;
1918 klass->start = seat_real_start;
1919 klass->create_greeter_session = seat_real_create_greeter_session;
1920 klass->create_session = seat_real_create_session;
1921 klass->set_active_session = seat_real_set_active_session;
1922 klass->get_active_session = seat_real_get_active_session;
1923 klass->set_next_session = seat_real_set_next_session;
1924 klass->run_script = seat_real_run_script;
1925 klass->stop = seat_real_stop;
1927 object_class->finalize = seat_finalize;
1929 g_type_class_add_private (klass, sizeof (SeatPrivate));
1931 signals[SESSION_ADDED] =
1932 g_signal_new (SEAT_SIGNAL_SESSION_ADDED,
1933 G_TYPE_FROM_CLASS (klass),
1935 G_STRUCT_OFFSET (SeatClass, session_added),
1938 G_TYPE_NONE, 1, SESSION_TYPE);
1939 signals[RUNNING_USER_SESSION] =
1940 g_signal_new (SEAT_SIGNAL_RUNNING_USER_SESSION,
1941 G_TYPE_FROM_CLASS (klass),
1943 G_STRUCT_OFFSET (SeatClass, running_user_session),
1946 G_TYPE_NONE, 1, SESSION_TYPE);
1947 signals[SESSION_REMOVED] =
1948 g_signal_new (SEAT_SIGNAL_SESSION_REMOVED,
1949 G_TYPE_FROM_CLASS (klass),
1951 G_STRUCT_OFFSET (SeatClass, session_removed),
1954 G_TYPE_NONE, 1, SESSION_TYPE);
1956 g_signal_new (SEAT_SIGNAL_STOPPED,
1957 G_TYPE_FROM_CLASS (klass),
1959 G_STRUCT_OFFSET (SeatClass, stopped),
1966 seat_real_logprefix (Logger *self, gchar *buf, gulong buflen)
1968 return g_snprintf (buf, buflen, "Seat %s: ", SEAT (self)->priv->name);
1972 seat_logger_iface_init (LoggerInterface *iface)
1974 iface->logprefix = &seat_real_logprefix;