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)
150 return g_strcmp0 (seat_get_string_property (seat, name), "true") == 0;
154 seat_get_integer_property (Seat *seat, const gchar *name)
158 value = seat_get_string_property (seat, name);
159 return value ? atoi (value) : 0;
163 seat_get_name (Seat *seat)
165 return seat->priv->name;
169 seat_set_supports_multi_session (Seat *seat, gboolean supports_multi_session)
171 g_return_if_fail (seat != NULL);
172 seat->priv->supports_multi_session = supports_multi_session;
176 seat_set_share_display_server (Seat *seat, gboolean share_display_server)
178 g_return_if_fail (seat != NULL);
179 seat->priv->share_display_server = share_display_server;
183 seat_start (Seat *seat)
185 g_return_val_if_fail (seat != NULL, FALSE);
187 l_debug (seat, "Starting");
189 SEAT_GET_CLASS (seat)->setup (seat);
190 seat->priv->started = SEAT_GET_CLASS (seat)->start (seat);
192 return seat->priv->started;
196 seat_get_sessions (Seat *seat)
198 g_return_val_if_fail (seat != NULL, NULL);
199 return seat->priv->sessions;
203 set_greeter_idle (gpointer greeter)
205 greeter_idle (GREETER (greeter));
210 seat_set_active_session (Seat *seat, Session *session)
214 g_return_if_fail (seat != NULL);
216 SEAT_GET_CLASS (seat)->set_active_session (seat, session);
218 /* Stop any greeters */
219 for (link = seat->priv->sessions; link; link = link->next)
221 Session *s = link->data;
223 if (s == session || session_get_is_stopping (s))
228 Greeter *greeter = GREETER (s);
229 if (greeter_get_resettable (greeter))
231 if (seat->priv->active_session == SESSION (greeter))
233 l_debug (seat, "Idling greeter");
234 /* Do this in an idle callback, because we might very well
235 be in the middle of responding to a START_SESSION
236 request by a greeter. So they won't expect an IDLE
237 call during that. Plus, this isn't time-sensitive. */
238 g_idle_add (set_greeter_idle, greeter);
243 l_debug (seat, "Stopping greeter");
249 /* Lock previous sessions */
250 if (seat->priv->active_session)
252 if (session != seat->priv->active_session && !IS_GREETER (seat->priv->active_session))
253 session_lock (seat->priv->active_session);
254 g_object_unref (seat->priv->active_session);
257 session_activate (session);
258 seat->priv->active_session = g_object_ref (session);
262 seat_get_active_session (Seat *seat)
264 g_return_val_if_fail (seat != NULL, NULL);
265 return SEAT_GET_CLASS (seat)->get_active_session (seat);
269 seat_get_next_session (Seat *seat)
271 g_return_val_if_fail (seat != NULL, NULL);
272 return seat->priv->next_session;
276 seat_get_can_switch (Seat *seat)
278 g_return_val_if_fail (seat != NULL, FALSE);
279 return seat_get_boolean_property (seat, "allow-user-switching") && seat->priv->supports_multi_session;
283 seat_get_allow_guest (Seat *seat)
285 g_return_val_if_fail (seat != NULL, FALSE);
286 return seat_get_boolean_property (seat, "allow-guest") && guest_account_is_installed ();
290 run_script (Seat *seat, DisplayServer *display_server, const gchar *script_name, User *user)
293 gboolean result = FALSE;
295 script = process_new (NULL, NULL);
297 process_set_command (script, script_name);
299 /* Set POSIX variables */
300 process_set_clear_environment (script, TRUE);
301 process_set_env (script, "SHELL", "/bin/sh");
303 /* Variables required for regression tests */
304 if (g_getenv ("LIGHTDM_TEST_ROOT"))
306 process_set_env (script, "LIGHTDM_TEST_ROOT", g_getenv ("LIGHTDM_TEST_ROOT"));
307 process_set_env (script, "LD_PRELOAD", g_getenv ("LD_PRELOAD"));
308 process_set_env (script, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
309 process_set_env (script, "PATH", g_getenv ("PATH"));
312 process_set_env (script, "PATH", "/usr/local/bin:/usr/bin:/bin");
316 process_set_env (script, "USER", user_get_name (user));
317 process_set_env (script, "LOGNAME", user_get_name (user));
318 process_set_env (script, "HOME", user_get_home_directory (user));
321 process_set_env (script, "HOME", "/");
323 SEAT_GET_CLASS (seat)->run_script (seat, display_server, script);
325 if (process_start (script, TRUE))
329 exit_status = process_get_exit_status (script);
330 if (WIFEXITED (exit_status))
332 l_debug (seat, "Exit status of %s: %d", script_name, WEXITSTATUS (exit_status));
333 result = WEXITSTATUS (exit_status) == EXIT_SUCCESS;
337 g_object_unref (script);
343 seat_real_run_script (Seat *seat, DisplayServer *display_server, Process *process)
348 emit_upstart_signal (const gchar *signal)
350 g_return_if_fail (signal != NULL);
351 g_return_if_fail (signal[0] != 0);
356 gchar *cmd = g_strdup_printf ("initctl -q emit %s DISPLAY_MANAGER=lightdm", signal);
357 g_spawn_command_line_async (cmd, NULL); /* OK if it fails, probably not installed */
362 check_stopped (Seat *seat)
364 if (seat->priv->stopping &&
365 !seat->priv->stopped &&
366 g_list_length (seat->priv->display_servers) == 0 &&
367 g_list_length (seat->priv->sessions) == 0)
369 seat->priv->stopped = TRUE;
370 l_debug (seat, "Stopped");
371 g_signal_emit (seat, signals[STOPPED], 0);
376 display_server_stopped_cb (DisplayServer *display_server, Seat *seat)
380 Session *active_session;
382 l_debug (seat, "Display server stopped");
384 /* Run a script right after stopping the display server */
385 script = seat_get_string_property (seat, "display-stopped-script");
387 run_script (seat, NULL, script, NULL);
389 g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
390 seat->priv->display_servers = g_list_remove (seat->priv->display_servers, display_server);
392 if (seat->priv->stopping || !seat->priv->started)
394 check_stopped (seat);
395 g_object_unref (display_server);
399 /* Stop all sessions on this display server */
400 list = g_list_copy (seat->priv->sessions);
401 for (link = list; link; link = link->next)
402 g_object_ref (link->data);
403 for (link = list; link; link = link->next)
405 Session *session = link->data;
407 if (session_get_display_server (session) != display_server || session_get_is_stopping (session))
410 /* Stop seat if this is the only display server and it failed to start a greeter */
411 if (IS_GREETER (session) &&
412 !session_get_is_started (session) &&
413 g_list_length (seat->priv->display_servers) == 0)
415 l_debug (seat, "Stopping; greeter display server failed to start");
419 l_debug (seat, "Stopping session");
420 session_stop (session);
422 g_list_free_full (list, g_object_unref);
424 if (!seat->priv->stopping)
426 /* If we were the active session, switch to a greeter */
427 active_session = seat_get_active_session (seat);
428 if (!active_session || session_get_display_server (active_session) == display_server)
430 l_debug (seat, "Active display server stopped, starting greeter");
431 if (!seat_switch_to_greeter (seat))
433 l_debug (seat, "Stopping; failed to start a greeter");
439 g_object_unref (display_server);
443 can_share_display_server (Seat *seat, DisplayServer *display_server)
445 return seat->priv->share_display_server && display_server_get_can_share (display_server);
449 find_greeter_session (Seat *seat)
453 for (link = seat->priv->sessions; link; link = link->next)
455 Session *session = link->data;
456 if (!session_get_is_stopping (session) && IS_GREETER (session))
457 return GREETER (session);
464 find_resettable_greeter (Seat *seat)
468 for (link = seat->priv->sessions; link; link = link->next)
470 Session *session = link->data;
471 if (!session_get_is_stopping (session) && IS_GREETER (session) &&
472 greeter_get_resettable (GREETER (session)))
473 return GREETER (session);
480 set_greeter_hints (Seat *seat, Greeter *greeter_session)
482 greeter_clear_hints (greeter_session);
483 greeter_set_hint (greeter_session, "default-session", seat_get_string_property (seat, "user-session"));
484 greeter_set_hint (greeter_session, "hide-users", seat_get_boolean_property (seat, "greeter-hide-users") ? "true" : "false");
485 greeter_set_hint (greeter_session, "show-manual-login", seat_get_boolean_property (seat, "greeter-show-manual-login") ? "true" : "false");
486 greeter_set_hint (greeter_session, "show-remote-login", seat_get_boolean_property (seat, "greeter-show-remote-login") ? "true" : "false");
487 greeter_set_hint (greeter_session, "has-guest-account", seat_get_allow_guest (seat) && seat_get_boolean_property (seat, "greeter-allow-guest") ? "true" : "false");
491 switch_to_greeter_from_failed_session (Seat *seat, Session *session)
493 Greeter *greeter_session;
494 gboolean existing = FALSE;
496 /* Switch to greeter if one open */
497 greeter_session = find_resettable_greeter (seat);
500 l_debug (seat, "Switching to existing greeter");
501 set_greeter_hints (seat, greeter_session);
506 greeter_session = create_greeter_session (seat);
509 if (session_get_is_guest (session))
510 greeter_set_hint (greeter_session, "select-guest", "true");
512 greeter_set_hint (greeter_session, "select-user", session_get_username (session));
516 greeter_reset (greeter_session);
517 seat_set_active_session (seat, SESSION (greeter_session));
521 if (seat->priv->session_to_activate)
522 g_object_unref (seat->priv->session_to_activate);
523 seat->priv->session_to_activate = g_object_ref (greeter_session);
525 if (can_share_display_server (seat, session_get_display_server (session)))
526 session_set_display_server (SESSION (greeter_session), session_get_display_server (session));
529 DisplayServer *display_server;
531 display_server = create_display_server (seat, session);
532 session_set_display_server (session, display_server);
533 if (!display_server_start (display_server))
535 l_debug (seat, "Failed to start display server for greeter");
540 start_session (seat, SESSION (greeter_session));
543 /* Stop failed session */
544 session_stop (session);
548 start_session (Seat *seat, Session *session)
550 /* Use system location for greeter log file */
551 if (IS_GREETER (session))
553 gchar *log_dir, *filename, *log_filename;
555 log_dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
556 filename = g_strdup_printf ("%s-greeter.log", display_server_get_name (session_get_display_server (session)));
557 log_filename = g_build_filename (log_dir, filename, NULL);
560 session_set_log_file (session, log_filename);
561 g_free (log_filename);
564 if (session_start (session))
567 if (IS_GREETER (session))
569 l_debug (seat, "Failed to start greeter");
570 display_server_stop (session_get_display_server (session));
574 l_debug (seat, "Failed to start session, starting greeter");
575 switch_to_greeter_from_failed_session (seat, session);
579 run_session (Seat *seat, Session *session)
583 if (IS_GREETER (session))
584 script = seat_get_string_property (seat, "greeter-setup-script");
586 script = seat_get_string_property (seat, "session-setup-script");
587 if (script && !run_script (seat, session_get_display_server (session), script, session_get_user (session)))
589 l_debug (seat, "Switching to greeter due to failed setup script");
590 switch_to_greeter_from_failed_session (seat, session);
594 if (!IS_GREETER (session))
596 g_signal_emit (seat, signals[RUNNING_USER_SESSION], 0, session);
597 emit_upstart_signal ("desktop-session-start");
600 session_run (session);
602 // FIXME: Wait until the session is ready
604 if (session == seat->priv->session_to_activate)
606 seat_set_active_session (seat, session);
607 g_object_unref (seat->priv->session_to_activate);
608 seat->priv->session_to_activate = NULL;
610 else if (seat->priv->active_session)
612 /* Multiple sessions can theoretically be on the same VT (especially
613 if using Mir). If a new session appears on an existing active VT,
614 logind will mark it as active, while ConsoleKit will re-mark the
615 oldest session as active. In either case, that may not be the
616 session that we want to be active. So let's be explicit and
617 re-activate the correct session whenever a new session starts.
618 There's no harm to do this in seats that enforce separate VTs. */
619 session_activate (seat->priv->active_session);
624 find_user_session (Seat *seat, const gchar *username, Session *ignore_session)
631 for (link = seat->priv->sessions; link; link = link->next)
633 Session *session = link->data;
635 if (session == ignore_session)
638 if (!session_get_is_stopping (session) && g_strcmp0 (session_get_username (session), username) == 0)
646 greeter_active_username_changed_cb (Greeter *greeter, GParamSpec *pspec, Seat *seat)
650 session = find_user_session (seat, greeter_get_active_username (greeter), seat->priv->active_session);
652 if (seat->priv->next_session)
653 g_object_unref (seat->priv->next_session);
654 seat->priv->next_session = session ? g_object_ref (session) : NULL;
656 SEAT_GET_CLASS (seat)->set_next_session (seat, session);
660 session_authentication_complete_cb (Session *session, Seat *seat)
662 if (session_get_is_authenticated (session))
666 s = find_user_session (seat, session_get_username (session), session);
669 l_debug (seat, "Session authenticated, switching to existing user session");
670 seat_set_active_session (seat, s);
671 session_stop (session);
675 l_debug (seat, "Session authenticated, running command");
676 run_session (seat, session);
679 else if (!IS_GREETER (session))
681 l_debug (seat, "Switching to greeter due to failed authentication");
682 switch_to_greeter_from_failed_session (seat, session);
686 l_debug (seat, "Stopping session that failed authentication");
687 session_stop (session);
692 session_stopped_cb (Session *session, Seat *seat)
694 DisplayServer *display_server;
696 l_debug (seat, "Session stopped");
698 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
699 seat->priv->sessions = g_list_remove (seat->priv->sessions, session);
700 if (session == seat->priv->active_session)
702 g_object_unref (seat->priv->active_session);
703 seat->priv->active_session = NULL;
705 if (session == seat->priv->next_session)
707 g_object_unref (seat->priv->next_session);
708 seat->priv->next_session = NULL;
710 if (session == seat->priv->session_to_activate)
712 g_object_unref (seat->priv->session_to_activate);
713 seat->priv->session_to_activate = NULL;
716 display_server = session_get_display_server (session);
719 g_object_unref (session);
724 if (!IS_GREETER (session))
727 script = seat_get_string_property (seat, "session-cleanup-script");
729 run_script (seat, display_server, script, session_get_user (session));
732 /* We were waiting for this session, but it didn't start :( */
733 // FIXME: Start a greeter on this?
734 if (session == seat->priv->session_to_activate)
736 g_object_unref (seat->priv->session_to_activate);
737 seat->priv->session_to_activate = NULL;
740 if (seat->priv->stopping)
742 check_stopped (seat);
743 g_object_unref (session);
747 /* If there is a pending replacement greeter, start it */
748 if (IS_GREETER (session) && seat->priv->replacement_greeter)
750 Session *s = SESSION(seat->priv->replacement_greeter);
751 seat->priv->replacement_greeter = NULL;
754 if (session_get_is_authenticated (s))
756 l_debug (seat, "Greeter stopped, running session");
757 run_session (seat, s);
761 l_debug (seat, "Greeter stopped, starting session authentication");
762 start_session (seat, s);
766 /* If this is the greeter session then re-use this display server */
767 else if (IS_GREETER (session) &&
768 can_share_display_server (seat, display_server) &&
769 greeter_get_start_session (GREETER (session)))
773 for (link = seat->priv->sessions; link; link = link->next)
775 Session *s = link->data;
777 /* Skip this session and sessions on other display servers */
778 if (s == session || session_get_display_server (s) != display_server || session_get_is_stopping (s))
781 if (session_get_is_authenticated (s))
783 l_debug (seat, "Greeter stopped, running session");
784 run_session (seat, s);
788 l_debug (seat, "Greeter stopped, starting session authentication");
789 start_session (seat, s);
794 /* If this is the greeter and nothing else is running then stop the seat */
795 else if (IS_GREETER (session) &&
796 !greeter_get_start_session (GREETER (session)) &&
797 g_list_length (seat->priv->display_servers) == 1 &&
798 g_list_nth_data (seat->priv->display_servers, 0) == display_server)
800 l_debug (seat, "Stopping; failed to start a greeter");
803 /* If we were the active session, switch to a greeter */
804 else if (!IS_GREETER (session) && session == seat_get_active_session (seat))
806 l_debug (seat, "Active session stopped, starting greeter");
807 if (!seat_switch_to_greeter (seat))
809 l_debug (seat, "Stopping; failed to start a greeter");
814 /* Stop the display server if no-longer required */
815 if (display_server && !display_server_get_is_stopping (display_server))
820 for (link = seat->priv->sessions; link; link = link->next)
822 Session *s = link->data;
825 if (session_get_display_server (s) == display_server)
830 l_debug (seat, "Stopping display server, no sessions require it");
831 display_server_stop (display_server);
835 g_signal_emit (seat, signals[SESSION_REMOVED], 0, session);
836 g_object_unref (session);
840 set_session_env (Session *session)
842 /* Connect using the session bus */
845 if (g_getenv ("DBUS_SESSION_BUS_ADDRESS"))
846 session_set_env (session, "DBUS_SESSION_BUS_ADDRESS", g_getenv ("DBUS_SESSION_BUS_ADDRESS"));
847 session_set_env (session, "LDM_BUS", "SESSION");
848 if (g_getenv ("LD_PRELOAD"))
849 session_set_env (session, "LD_PRELOAD", g_getenv ("LD_PRELOAD"));
850 if (g_getenv ("LD_LIBRARY_PATH"))
851 session_set_env (session, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
852 if (g_getenv ("PATH"))
853 session_set_env (session, "PATH", g_getenv ("PATH"));
856 /* Variables required for regression tests */
857 if (g_getenv ("LIGHTDM_TEST_ROOT"))
859 session_set_env (session, "LIGHTDM_TEST_ROOT", g_getenv ("LIGHTDM_TEST_ROOT"));
860 session_set_env (session, "DBUS_SYSTEM_BUS_ADDRESS", g_getenv ("DBUS_SYSTEM_BUS_ADDRESS"));
861 session_set_env (session, "DBUS_SESSION_BUS_ADDRESS", g_getenv ("DBUS_SESSION_BUS_ADDRESS"));
862 session_set_env (session, "LD_PRELOAD", g_getenv ("LD_PRELOAD"));
863 session_set_env (session, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
864 session_set_env (session, "GI_TYPELIB_PATH", g_getenv ("GI_TYPELIB_PATH"));
869 create_session (Seat *seat, gboolean autostart)
873 session = SEAT_GET_CLASS (seat)->create_session (seat);
874 seat->priv->sessions = g_list_append (seat->priv->sessions, session);
876 g_signal_connect (session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (session_authentication_complete_cb), seat);
877 g_signal_connect (session, SESSION_SIGNAL_STOPPED, G_CALLBACK (session_stopped_cb), seat);
879 set_session_env (session);
881 g_signal_emit (seat, signals[SESSION_ADDED], 0, session);
887 get_session_argv (Seat *seat, SessionConfig *session_config, const gchar *session_wrapper)
892 GError *error = NULL;
894 /* If configured, run sessions through a wrapper */
897 argv = g_malloc (sizeof (gchar *) * 3);
898 path = g_find_program_in_path (session_wrapper);
899 argv[0] = path ? path : g_strdup (session_wrapper);
900 argv[1] = g_strdup (session_config_get_command (session_config));
905 /* Split command into an array listing and make command absolute */
906 result = g_shell_parse_argv (session_config_get_command (session_config), &argc, &argv, &error);
908 l_debug (seat, "Invalid session command '%s': %s", session_config_get_command (session_config), error->message);
909 g_clear_error (&error);
912 path = g_find_program_in_path (argv[0]);
922 static SessionConfig *
923 find_session_config (Seat *seat, const gchar *sessions_dir, const gchar *session_name)
926 SessionConfig *session_config = NULL;
928 GError *error = NULL;
930 g_return_val_if_fail (sessions_dir != NULL, NULL);
931 g_return_val_if_fail (session_name != NULL, NULL);
933 dirs = g_strsplit (sessions_dir, ":", -1);
934 for (i = 0; dirs[i]; i++)
936 gchar *filename, *path;
938 filename = g_strdup_printf ("%s.desktop", session_name);
939 path = g_build_filename (dirs[i], filename, NULL);
941 session_config = session_config_new_from_file (path, &error);
946 if (dirs[i+1] == NULL)
947 l_debug (seat, "Failed to find session configuration %s", session_name);
948 g_clear_error (&error);
952 return session_config;
956 configure_session (Session *session, SessionConfig *config, const gchar *session_name, const gchar *language)
958 gchar **desktop_names;
960 session_set_config (session, config);
961 session_set_env (session, "XDG_SESSION_DESKTOP", session_name);
962 session_set_env (session, "DESKTOP_SESSION", session_name);
963 session_set_env (session, "GDMSESSION", session_name);
964 desktop_names = session_config_get_desktop_names (config);
968 value = g_strjoinv (":", desktop_names);
969 session_set_env (session, "XDG_CURRENT_DESKTOP", value);
972 if (language && language[0] != '\0')
974 session_set_env (session, "LANG", language);
975 session_set_env (session, "GDM_LANG", language);
980 create_user_session (Seat *seat, const gchar *username, gboolean autostart)
984 const gchar *session_name, *language;
985 SessionConfig *session_config;
986 Session *session = NULL;
988 l_debug (seat, "Creating user session");
990 /* Load user preferences */
991 user = accounts_get_user_by_name (username);
994 l_debug (seat, "Can't login unknown user '%s'", username);
997 session_name = user_get_xsession (user);
998 language = user_get_language (user);
1001 session_name = seat_get_string_property (seat, "user-session");
1002 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1003 session_config = find_session_config (seat, sessions_dir, session_name);
1004 g_free (sessions_dir);
1009 session = create_session (seat, autostart);
1010 configure_session (session, session_config, session_name, language);
1011 session_set_username (session, username);
1012 session_set_do_authenticate (session, TRUE);
1013 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1014 session_set_argv (session, argv);
1016 g_object_unref (session_config);
1019 l_debug (seat, "Can't find session '%s'", session_name);
1021 g_object_unref (user);
1027 prepend_argv (gchar ***argv, const gchar *value)
1029 gchar **old_argv, **new_argv;
1033 new_argv = g_malloc (sizeof (gchar *) * (g_strv_length (*argv) + 2));
1034 new_argv[0] = g_strdup (value);
1035 for (i = 0; old_argv[i]; i++)
1036 new_argv[i + 1] = old_argv[i];
1037 new_argv[i + 1] = NULL;
1044 create_guest_session (Seat *seat, const gchar *session_name)
1046 const gchar *guest_wrapper;
1047 gchar *sessions_dir, **argv;
1048 SessionConfig *session_config;
1052 session_name = seat_get_string_property (seat, "guest-session");
1054 session_name = seat_get_string_property (seat, "user-session");
1055 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1056 session_config = find_session_config (seat, sessions_dir, session_name);
1057 g_free (sessions_dir);
1058 if (!session_config)
1060 l_debug (seat, "Can't find session '%s'", session_name);
1064 session = create_session (seat, TRUE);
1065 configure_session (session, session_config, session_name, NULL);
1066 session_set_do_authenticate (session, TRUE);
1067 session_set_is_guest (session, TRUE);
1068 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1069 guest_wrapper = seat_get_string_property (seat, "guest-wrapper");
1073 path = g_find_program_in_path (guest_wrapper);
1074 prepend_argv (&argv, path ? path : guest_wrapper);
1078 session_set_argv (session, argv);
1080 g_object_unref (session_config);
1086 greeter_create_session_cb (Greeter *greeter, Seat *seat)
1090 session = create_session (seat, FALSE);
1091 session_set_config (session, session_get_config (SESSION (greeter)));
1092 session_set_display_server (session, session_get_display_server (SESSION (greeter)));
1094 return g_object_ref (session);
1098 greeter_start_session_cb (Greeter *greeter, SessionType type, const gchar *session_name, Seat *seat)
1100 Session *session, *existing_session;
1101 const gchar *username;
1102 DisplayServer *display_server;
1104 /* Get the session to use */
1105 if (greeter_get_guest_authenticated (greeter))
1107 session = create_guest_session (seat, session_name);
1110 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1114 const gchar *language = NULL;
1115 SessionConfig *session_config;
1117 gchar *sessions_dir = NULL;
1120 session = greeter_get_authentication_session (greeter);
1122 /* Get session command to run */
1125 case SESSION_TYPE_LOCAL:
1126 sessions_dir = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
1128 case SESSION_TYPE_REMOTE:
1129 sessions_dir = config_get_string (config_get_instance (), "LightDM", "remote-sessions-directory");
1133 /* Load user preferences */
1134 user = session_get_user (session);
1138 session_name = user_get_xsession (user);
1139 language = user_get_language (user);
1143 session_name = seat_get_string_property (seat, "user-session");
1145 user_set_xsession (session_get_user (session), session_name);
1147 session_config = find_session_config (seat, sessions_dir, session_name);
1148 g_free (sessions_dir);
1149 if (!session_config)
1151 l_debug (seat, "Can't find session '%s'", session_name);
1155 configure_session (session, session_config, session_name, language);
1156 argv = get_session_argv (seat, session_config, seat_get_string_property (seat, "session-wrapper"));
1157 session_set_argv (session, argv);
1159 g_object_unref (session_config);
1162 /* Switch to this session when it is ready */
1163 if (seat->priv->session_to_activate)
1164 g_object_unref (seat->priv->session_to_activate);
1165 seat->priv->session_to_activate = g_object_ref (session);
1167 /* Return to existing session if it is open */
1168 username = session_get_username (session);
1169 existing_session = find_user_session (seat, username, NULL);
1170 if (existing_session && session != existing_session)
1172 l_debug (seat, "Returning to existing user session %s", username);
1173 session_stop (session);
1174 session_unlock (existing_session);
1175 seat_set_active_session (seat, existing_session);
1179 /* If can re-use the display server, stop the greeter first */
1180 display_server = session_get_display_server (SESSION (greeter));
1181 if (!greeter_get_resettable (greeter) &&
1182 can_share_display_server (seat, display_server) &&
1183 strcmp (display_server_get_session_type (display_server), session_get_session_type (session)) == 0)
1185 l_debug (seat, "Stopping greeter; display server will be re-used for user session");
1187 /* Run on the same display server after the greeter has stopped */
1188 session_set_display_server (session, display_server);
1190 /* Stop the greeter */
1191 session_stop (SESSION (greeter));
1195 /* Otherwise start a new display server for this session */
1198 display_server = create_display_server (seat, session);
1199 session_set_display_server (session, display_server);
1200 if (!display_server_start (display_server))
1202 l_debug (seat, "Failed to start display server for new session");
1211 create_greeter_session (Seat *seat)
1213 gchar *sessions_dir, **argv;
1214 SessionConfig *session_config;
1215 Greeter *greeter_session;
1216 const gchar *greeter_wrapper;
1217 const gchar *autologin_username;
1218 int autologin_timeout;
1219 gboolean autologin_guest;
1221 l_debug (seat, "Creating greeter session");
1223 sessions_dir = config_get_string (config_get_instance (), "LightDM", "greeters-directory");
1224 session_config = find_session_config (seat, sessions_dir, seat_get_string_property (seat, "greeter-session"));
1225 g_free (sessions_dir);
1226 if (!session_config)
1229 argv = get_session_argv (seat, session_config, NULL);
1230 greeter_wrapper = seat_get_string_property (seat, "greeter-wrapper");
1231 if (greeter_wrapper)
1234 path = g_find_program_in_path (greeter_wrapper);
1235 prepend_argv (&argv, path ? path : greeter_wrapper);
1239 greeter_session = SEAT_GET_CLASS (seat)->create_greeter_session (seat);
1240 session_set_config (SESSION (greeter_session), session_config);
1241 seat->priv->sessions = g_list_append (seat->priv->sessions, SESSION (greeter_session));
1242 g_signal_connect (greeter_session, GREETER_SIGNAL_ACTIVE_USERNAME_CHANGED, G_CALLBACK (greeter_active_username_changed_cb), seat);
1243 g_signal_connect (greeter_session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (session_authentication_complete_cb), seat);
1244 g_signal_connect (greeter_session, SESSION_SIGNAL_STOPPED, G_CALLBACK (session_stopped_cb), seat);
1246 set_session_env (SESSION (greeter_session));
1247 session_set_env (SESSION (greeter_session), "XDG_SESSION_CLASS", "greeter");
1249 session_set_pam_service (SESSION (greeter_session), seat_get_string_property (seat, "pam-greeter-service"));
1252 gchar *greeter_user;
1253 greeter_user = config_get_string (config_get_instance (), "LightDM", "greeter-user");
1254 session_set_username (SESSION (greeter_session), greeter_user);
1255 g_free (greeter_user);
1259 /* In test mode run the greeter as ourself */
1260 session_set_username (SESSION (greeter_session), user_get_name (accounts_get_current_user ()));
1262 session_set_argv (SESSION (greeter_session), argv);
1265 greeter_set_pam_services (greeter_session,
1266 seat_get_string_property (seat, "pam-service"),
1267 seat_get_string_property (seat, "pam-autologin-service"));
1268 g_signal_connect (greeter_session, GREETER_SIGNAL_CREATE_SESSION, G_CALLBACK (greeter_create_session_cb), seat);
1269 g_signal_connect (greeter_session, GREETER_SIGNAL_START_SESSION, G_CALLBACK (greeter_start_session_cb), seat);
1271 /* Set hints to greeter */
1272 greeter_set_allow_guest (greeter_session, seat_get_allow_guest (seat));
1273 set_greeter_hints (seat, greeter_session);
1275 /* Configure for automatic login */
1276 autologin_username = seat_get_string_property (seat, "autologin-user");
1277 if (g_strcmp0 (autologin_username, "") == 0)
1278 autologin_username = NULL;
1279 autologin_timeout = seat_get_integer_property (seat, "autologin-user-timeout");
1280 autologin_guest = seat_get_boolean_property (seat, "autologin-guest");
1281 if (autologin_timeout > 0)
1285 value = g_strdup_printf ("%d", autologin_timeout);
1286 greeter_set_hint (greeter_session, "autologin-timeout", value);
1288 if (autologin_username)
1289 greeter_set_hint (greeter_session, "autologin-user", autologin_username);
1290 if (autologin_guest)
1291 greeter_set_hint (greeter_session, "autologin-guest", "true");
1294 g_object_unref (session_config);
1296 return greeter_session;
1300 find_session_for_display_server (Seat *seat, DisplayServer *display_server)
1304 for (link = seat->priv->sessions; link; link = link->next)
1306 Session *session = link->data;
1307 if (session_get_display_server (session) == display_server && !session_get_is_stopping (session))
1315 display_server_ready_cb (DisplayServer *display_server, Seat *seat)
1317 const gchar *script;
1320 /* Run setup script */
1321 script = seat_get_string_property (seat, "display-setup-script");
1322 if (script && !run_script (seat, display_server, script, NULL))
1324 l_debug (seat, "Stopping display server due to failed setup script");
1325 display_server_stop (display_server);
1329 emit_upstart_signal ("login-session-start");
1331 /* Start the session waiting for this display server */
1332 session = find_session_for_display_server (seat, display_server);
1335 if (session_get_is_authenticated (session))
1337 l_debug (seat, "Display server ready, running session");
1338 run_session (seat, session);
1342 l_debug (seat, "Display server ready, starting session authentication");
1343 start_session (seat, session);
1348 l_debug (seat, "Stopping not required display server");
1349 display_server_stop (display_server);
1353 static DisplayServer *
1354 create_display_server (Seat *seat, Session *session)
1356 DisplayServer *display_server;
1358 l_debug (seat, "Creating display server of type %s", session_get_session_type (session));
1360 display_server = SEAT_GET_CLASS (seat)->create_display_server (seat, session);
1361 if (!display_server)
1364 seat->priv->display_servers = g_list_append (seat->priv->display_servers, display_server);
1365 g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_READY, G_CALLBACK (display_server_ready_cb), seat);
1366 g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (display_server_stopped_cb), seat);
1368 return display_server;
1372 seat_switch_to_greeter (Seat *seat)
1374 Greeter *greeter_session;
1375 DisplayServer *display_server;
1377 g_return_val_if_fail (seat != NULL, FALSE);
1379 if (!seat_get_can_switch (seat))
1382 /* Switch to greeter if one open */
1383 greeter_session = find_greeter_session (seat);
1384 if (greeter_session)
1386 l_debug (seat, "Switching to existing greeter");
1387 seat_set_active_session (seat, SESSION (greeter_session));
1391 greeter_session = create_greeter_session (seat);
1392 if (!greeter_session)
1395 if (seat->priv->session_to_activate)
1396 g_object_unref (seat->priv->session_to_activate);
1397 seat->priv->session_to_activate = g_object_ref (greeter_session);
1399 display_server = create_display_server (seat, SESSION (greeter_session));
1400 session_set_display_server (SESSION (greeter_session), display_server);
1402 return display_server_start (display_server);
1406 switch_authentication_complete_cb (Session *session, Seat *seat)
1408 Greeter *greeter_session;
1409 DisplayServer *display_server;
1410 gboolean existing = FALSE;
1412 /* If authenticated, then unlock existing session or start new one */
1413 if (session_get_is_authenticated (session))
1417 s = find_user_session (seat, session_get_username (session), session);
1420 l_debug (seat, "Session authenticated, switching to existing user session");
1422 seat_set_active_session (seat, s);
1423 session_stop (session);
1427 l_debug (seat, "Session authenticated, starting display server");
1428 if (seat->priv->session_to_activate)
1429 g_object_unref (seat->priv->session_to_activate);
1430 seat->priv->session_to_activate = g_object_ref (session);
1431 display_server = create_display_server (seat, session);
1432 session_set_display_server (session, display_server);
1433 display_server_start (display_server);
1439 session_stop (session);
1441 /* See if we already have a greeter up and reuse it if so */
1442 greeter_session = find_resettable_greeter (seat);
1443 if (greeter_session)
1445 l_debug (seat, "Switching to existing greeter to authenticate session");
1446 set_greeter_hints (seat, greeter_session);
1451 l_debug (seat, "Starting greeter to authenticate session");
1452 greeter_session = create_greeter_session (seat);
1455 if (session_get_is_guest (session))
1456 greeter_set_hint (greeter_session, "select-guest", "true");
1458 greeter_set_hint (greeter_session, "select-user", session_get_username (session));
1462 greeter_reset (greeter_session);
1463 seat_set_active_session (seat, SESSION (greeter_session));
1467 if (seat->priv->session_to_activate)
1468 g_object_unref (seat->priv->session_to_activate);
1469 seat->priv->session_to_activate = g_object_ref (greeter_session);
1471 display_server = create_display_server (seat, SESSION (greeter_session));
1472 session_set_display_server (SESSION (greeter_session), display_server);
1473 display_server_start (display_server);
1478 seat_switch_to_user (Seat *seat, const gchar *username, const gchar *session_name)
1482 g_return_val_if_fail (seat != NULL, FALSE);
1483 g_return_val_if_fail (username != NULL, FALSE);
1485 if (!seat_get_can_switch (seat))
1488 /* If we're already on this session, then ignore */
1489 session = find_user_session (seat, username, NULL);
1490 if (session && session == seat->priv->active_session)
1493 l_debug (seat, "Switching to user %s", username);
1495 /* Attempt to authenticate them */
1496 session = create_user_session (seat, username, FALSE);
1497 g_signal_connect (session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (switch_authentication_complete_cb), seat);
1498 session_set_pam_service (session, seat_get_string_property (seat, "pam-service"));
1500 return session_start (session);
1504 find_guest_session (Seat *seat)
1508 for (link = seat->priv->sessions; link; link = link->next)
1510 Session *session = link->data;
1511 if (!session_get_is_stopping (session) && session_get_is_guest (session))
1519 seat_switch_to_guest (Seat *seat, const gchar *session_name)
1522 DisplayServer *display_server;
1524 g_return_val_if_fail (seat != NULL, FALSE);
1526 if (!seat_get_can_switch (seat) || !seat_get_allow_guest (seat))
1529 /* Switch to session if one open */
1530 session = find_guest_session (seat);
1533 l_debug (seat, "Switching to existing guest account %s", session_get_username (session));
1534 seat_set_active_session (seat, session);
1538 session = create_guest_session (seat, session_name);
1542 display_server = create_display_server (seat, session);
1544 if (seat->priv->session_to_activate)
1545 g_object_unref (seat->priv->session_to_activate);
1546 seat->priv->session_to_activate = g_object_ref (session);
1547 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1548 session_set_display_server (session, display_server);
1550 return display_server_start (display_server);
1554 seat_lock (Seat *seat, const gchar *username)
1556 Greeter *greeter_session;
1557 DisplayServer *display_server = NULL;
1558 gboolean reset_existing = FALSE;
1559 gboolean reuse_xserver = FALSE;
1561 g_return_val_if_fail (seat != NULL, FALSE);
1563 if (!seat_get_can_switch (seat))
1566 // FIXME: If already locked then don't bother...
1568 l_debug (seat, "Locking");
1570 /* Switch to greeter we can reuse */
1571 greeter_session = find_resettable_greeter (seat);
1572 if (greeter_session)
1574 l_debug (seat, "Switching to existing greeter");
1575 set_greeter_hints (seat, greeter_session);
1576 reset_existing = TRUE;
1580 /* If the existing greeter can't be reused, stop it and reuse its display server */
1581 greeter_session = find_greeter_session (seat);
1582 if (greeter_session)
1584 display_server = session_get_display_server (SESSION (greeter_session));
1585 if (!session_get_is_stopping (SESSION (greeter_session)))
1587 l_debug (seat, "Stopping session");
1588 session_stop (SESSION (greeter_session));
1590 reuse_xserver = TRUE;
1593 greeter_session = create_greeter_session (seat);
1594 if (!greeter_session)
1598 greeter_set_hint (greeter_session, "lock-screen", "true");
1600 greeter_set_hint (greeter_session, "select-user", username);
1604 greeter_reset (greeter_session);
1605 seat_set_active_session (seat, SESSION (greeter_session));
1611 display_server = create_display_server (seat, SESSION (greeter_session));
1612 session_set_display_server (SESSION (greeter_session), display_server);
1614 if (seat->priv->session_to_activate)
1615 g_object_unref (seat->priv->session_to_activate);
1616 seat->priv->session_to_activate = g_object_ref (greeter_session);
1620 if (seat->priv->replacement_greeter)
1621 g_object_unref (seat->priv->replacement_greeter);
1622 seat->priv->replacement_greeter = g_object_ref (greeter_session);
1626 return display_server_start (display_server);
1631 seat_stop (Seat *seat)
1633 g_return_if_fail (seat != NULL);
1635 if (seat->priv->stopping)
1638 l_debug (seat, "Stopping");
1639 seat->priv->stopping = TRUE;
1640 SEAT_GET_CLASS (seat)->stop (seat);
1644 seat_get_is_stopping (Seat *seat)
1646 g_return_val_if_fail (seat != NULL, FALSE);
1647 return seat->priv->stopping;
1651 seat_real_setup (Seat *seat)
1656 seat_real_start (Seat *seat)
1658 const gchar *autologin_username;
1659 int autologin_timeout;
1660 gboolean autologin_guest;
1661 gboolean autologin_in_background;
1662 Session *session = NULL, *background_session = NULL;
1664 /* Get autologin settings */
1665 autologin_username = seat_get_string_property (seat, "autologin-user");
1666 if (g_strcmp0 (autologin_username, "") == 0)
1667 autologin_username = NULL;
1668 autologin_timeout = seat_get_integer_property (seat, "autologin-user-timeout");
1669 autologin_guest = seat_get_boolean_property (seat, "autologin-guest");
1670 autologin_in_background = seat_get_boolean_property (seat, "autologin-in-background");
1672 /* Autologin if configured */
1673 if (autologin_timeout == 0 || autologin_in_background)
1675 if (autologin_guest)
1676 session = create_guest_session (seat, NULL);
1677 else if (autologin_username != NULL)
1678 session = create_user_session (seat, autologin_username, TRUE);
1681 session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
1683 /* Load in background if required */
1684 if (autologin_in_background && session)
1686 background_session = session;
1692 DisplayServer *display_server;
1694 if (seat->priv->session_to_activate)
1695 g_object_unref (seat->priv->session_to_activate);
1696 seat->priv->session_to_activate = g_object_ref (session);
1698 display_server = create_display_server (seat, session);
1699 session_set_display_server (session, display_server);
1700 if (!display_server || !display_server_start (display_server))
1702 l_debug (seat, "Can't create display server for automatic login");
1703 session_stop (session);
1705 display_server_stop (display_server);
1711 /* Fallback to a greeter */
1714 Greeter *greeter_session;
1715 DisplayServer *display_server;
1717 greeter_session = create_greeter_session (seat);
1718 if (!greeter_session)
1720 l_debug (seat, "Failed to create greeter session");
1724 if (seat->priv->session_to_activate)
1725 g_object_unref (seat->priv->session_to_activate);
1726 seat->priv->session_to_activate = g_object_ref (greeter_session);
1727 session = SESSION (greeter_session);
1729 display_server = create_display_server (seat, session);
1730 session_set_display_server (session, display_server);
1731 if (!display_server || !display_server_start (display_server))
1733 l_debug (seat, "Can't create display server for greeter");
1734 session_stop (session);
1736 display_server_stop (display_server);
1741 /* Fail if can't start a session */
1748 /* Start background session */
1749 if (background_session)
1751 DisplayServer *background_display_server;
1753 background_display_server = create_display_server (seat, background_session);
1754 session_set_display_server (background_session, background_display_server);
1755 if (!display_server_start (background_display_server))
1756 l_warning (seat, "Failed to start display server for background session");
1763 seat_real_create_greeter_session (Seat *seat)
1765 return greeter_new ();
1769 seat_real_create_session (Seat *seat)
1771 return session_new ();
1775 seat_real_set_active_session (Seat *seat, Session *session)
1780 seat_real_set_next_session (Seat *seat, Session *session)
1785 seat_real_get_active_session (Seat *seat)
1791 seat_real_stop (Seat *seat)
1795 check_stopped (seat);
1796 if (seat->priv->stopped)
1799 /* Stop all the display servers and sessions on the seat. Copy the list as
1800 * it might be modified if a display server / session stops during this loop */
1801 list = g_list_copy (seat->priv->display_servers);
1802 for (link = list; link; link = link->next)
1803 g_object_ref (link->data);
1804 for (link = list; link; link = link->next)
1806 DisplayServer *display_server = link->data;
1807 if (!display_server_get_is_stopping (display_server))
1809 l_debug (seat, "Stopping display server");
1810 display_server_stop (display_server);
1813 g_list_free_full (list, g_object_unref);
1814 list = g_list_copy (seat->priv->sessions);
1815 for (link = list; link; link = link->next)
1816 g_object_ref (link->data);
1817 for (link = list; link; link = link->next)
1819 Session *session = link->data;
1820 if (!session_get_is_stopping (session))
1822 l_debug (seat, "Stopping session");
1823 session_stop (session);
1826 g_list_free_full (list, g_object_unref);
1830 seat_init (Seat *seat)
1832 seat->priv = G_TYPE_INSTANCE_GET_PRIVATE (seat, SEAT_TYPE, SeatPrivate);
1833 seat->priv->properties = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
1834 seat->priv->share_display_server = TRUE;
1838 seat_finalize (GObject *object)
1843 self = SEAT (object);
1845 g_free (self->priv->name);
1846 g_hash_table_unref (self->priv->properties);
1847 for (link = self->priv->display_servers; link; link = link->next)
1849 DisplayServer *display_server = link->data;
1850 g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self);
1852 g_list_free_full (self->priv->display_servers, g_object_unref);
1853 for (link = self->priv->sessions; link; link = link->next)
1855 Session *session = link->data;
1856 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self);
1858 g_list_free_full (self->priv->sessions, g_object_unref);
1859 if (self->priv->active_session)
1860 g_object_unref (self->priv->active_session);
1861 if (self->priv->next_session)
1862 g_object_unref (self->priv->next_session);
1863 if (self->priv->session_to_activate)
1864 g_object_unref (self->priv->session_to_activate);
1866 G_OBJECT_CLASS (seat_parent_class)->finalize (object);
1870 seat_class_init (SeatClass *klass)
1872 GObjectClass *object_class = G_OBJECT_CLASS (klass);
1874 klass->setup = seat_real_setup;
1875 klass->start = seat_real_start;
1876 klass->create_greeter_session = seat_real_create_greeter_session;
1877 klass->create_session = seat_real_create_session;
1878 klass->set_active_session = seat_real_set_active_session;
1879 klass->get_active_session = seat_real_get_active_session;
1880 klass->set_next_session = seat_real_set_next_session;
1881 klass->run_script = seat_real_run_script;
1882 klass->stop = seat_real_stop;
1884 object_class->finalize = seat_finalize;
1886 g_type_class_add_private (klass, sizeof (SeatPrivate));
1888 signals[SESSION_ADDED] =
1889 g_signal_new (SEAT_SIGNAL_SESSION_ADDED,
1890 G_TYPE_FROM_CLASS (klass),
1892 G_STRUCT_OFFSET (SeatClass, session_added),
1895 G_TYPE_NONE, 1, SESSION_TYPE);
1896 signals[RUNNING_USER_SESSION] =
1897 g_signal_new (SEAT_SIGNAL_RUNNING_USER_SESSION,
1898 G_TYPE_FROM_CLASS (klass),
1900 G_STRUCT_OFFSET (SeatClass, running_user_session),
1903 G_TYPE_NONE, 1, SESSION_TYPE);
1904 signals[SESSION_REMOVED] =
1905 g_signal_new (SEAT_SIGNAL_SESSION_REMOVED,
1906 G_TYPE_FROM_CLASS (klass),
1908 G_STRUCT_OFFSET (SeatClass, session_removed),
1911 G_TYPE_NONE, 1, SESSION_TYPE);
1913 g_signal_new (SEAT_SIGNAL_STOPPED,
1914 G_TYPE_FROM_CLASS (klass),
1916 G_STRUCT_OFFSET (SeatClass, stopped),
1923 seat_real_logprefix (Logger *self, gchar *buf, gulong buflen)
1925 return g_snprintf (buf, buflen, "Seat %s: ", SEAT (self)->priv->name);
1929 seat_logger_iface_init (LoggerInterface *iface)
1931 iface->logprefix = &seat_real_logprefix;