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
18 #include <glib/gi18n.h>
24 #include "configuration.h"
25 #include "display-manager.h"
26 #include "xdmcp-server.h"
27 #include "vnc-server.h"
28 #include "seat-xdmcp-session.h"
29 #include "seat-xvnc.h"
32 #include "session-child.h"
33 #include "shared-data-manager.h"
34 #include "user-list.h"
37 static gchar *config_path = NULL;
38 static GMainLoop *loop = NULL;
39 static GTimer *log_timer;
40 static int log_fd = -1;
41 static gboolean debug = FALSE;
43 static DisplayManager *display_manager = NULL;
44 static XDMCPServer *xdmcp_server = NULL;
45 static VNCServer *vnc_server = NULL;
46 static guint bus_id = 0;
47 static GDBusConnection *bus = NULL;
48 static guint reg_id = 0;
49 static GDBusNodeInfo *seat_info;
50 static GHashTable *seat_bus_entries = NULL;
51 static guint seat_index = 0;
52 static GDBusNodeInfo *session_info;
53 static GHashTable *session_bus_entries = NULL;
54 static guint session_index = 0;
55 static gint exit_code = EXIT_SUCCESS;
69 #define LIGHTDM_BUS_NAME "org.freedesktop.DisplayManager"
71 static gboolean update_login1_seat (Login1Seat *login1_seat);
74 log_cb (const gchar *log_domain, GLogLevelFlags log_level, const gchar *message, gpointer data)
79 switch (log_level & G_LOG_LEVEL_MASK)
81 case G_LOG_LEVEL_ERROR:
84 case G_LOG_LEVEL_CRITICAL:
87 case G_LOG_LEVEL_WARNING:
90 case G_LOG_LEVEL_MESSAGE:
93 case G_LOG_LEVEL_INFO:
96 case G_LOG_LEVEL_DEBUG:
104 text = g_strdup_printf ("[%+.2fs] %s %s\n", g_timer_elapsed (log_timer, NULL), prefix, message);
106 /* Log everything to a file */
110 n_written = write (log_fd, text, strlen (text));
112 ; /* Check result so compiler doesn't warn about it */
115 /* Log to stderr if requested */
117 g_printerr ("%s", text);
119 g_log_default_handler (log_domain, log_level, message, data);
127 gchar *log_dir, *path, *old_path;
129 log_timer = g_timer_new ();
132 log_dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
133 path = g_build_filename (log_dir, "lightdm.log", NULL);
136 /* Move old file out of the way */
137 old_path = g_strdup_printf ("%s.old", path);
138 rename (path, old_path);
141 /* Create new file and log to it */
142 log_fd = open (path, O_WRONLY | O_CREAT | O_TRUNC, 0600);
143 fcntl (log_fd, F_SETFD, FD_CLOEXEC);
144 g_log_set_default_handler (log_cb, NULL);
146 g_debug ("Logging to %s", path);
151 get_config_sections (const gchar *seat_name)
154 GList *config_sections = NULL;
156 /* Keep this so it won't break existing config files using old [SeatDefaults] */
157 config_sections = g_list_append (config_sections, g_strdup ("SeatDefaults"));
159 groups = config_get_groups (config_get_instance ());
160 for (i = groups; *i; i++)
162 if (g_str_has_prefix (*i, "Seat:"))
164 const gchar *seat_name_glob = *i + strlen ("Seat:");
165 if (g_pattern_match_simple (seat_name_glob, seat_name ? seat_name : ""))
166 config_sections = g_list_append (config_sections, g_strdup (*i));
171 return config_sections;
175 set_seat_properties (Seat *seat, const gchar *seat_name)
177 GList *sections, *link;
181 sections = get_config_sections (seat_name);
182 for (link = sections; link; link = link->next)
184 const gchar *section = link->data;
185 keys = config_get_keys (config_get_instance (), section);
187 /* Keep this until [SeatDefaults] support is definitely removed */
188 if (strcmp (section, "SeatDefaults") == 0 && keys)
189 l_warning (seat, "[SeatDefaults] is deprecated and won't be supported in the future. Use [Seat:*] instead!");
191 l_debug (seat, "Loading properties from config section %s", section);
192 for (i = 0; keys && keys[i]; i++)
194 gchar *value = config_get_string (config_get_instance (), section, keys[i]);
195 seat_set_property (seat, keys[i], value);
200 g_list_free_full (sections, g_free);
204 signal_cb (Process *process, int signum)
206 g_debug ("Caught %s signal, shutting down", g_strsignal (signum));
207 display_manager_stop (display_manager);
208 // FIXME: Stop XDMCP server
212 display_manager_stopped_cb (DisplayManager *display_manager)
214 g_debug ("Stopping daemon");
215 g_main_loop_quit (loop);
219 display_manager_seat_removed_cb (DisplayManager *display_manager, Seat *seat)
223 Seat *next_seat = NULL;
226 /* If we have fallback types registered for the seat, let's try them
228 types = seat_get_string_list_property (seat, "type");
229 next_types = g_string_new ("");
230 for (iter = types; iter && *iter; iter++)
233 continue; // skip first one, that is our current seat type
237 next_seat = seat_new (*iter, seat_get_name (seat));
238 g_string_assign (next_types, *iter);
242 // Build up list of types to try next time
243 g_string_append_c (next_types, ';');
244 g_string_append (next_types, *iter);
251 set_seat_properties (next_seat, seat_get_name (seat));
253 // We set this manually on default seat. Let's port it over if needed.
254 if (seat_get_boolean_property (seat, "exit-on-failure"))
255 seat_set_property (next_seat, "exit-on-failure", "true");
257 seat_set_property (next_seat, "type", next_types->str);
259 display_manager_add_seat (display_manager, next_seat);
260 g_object_unref (next_seat);
262 else if (seat_get_boolean_property (seat, "exit-on-failure"))
264 g_debug ("Required seat has stopped");
265 exit_code = EXIT_FAILURE;
266 display_manager_stop (display_manager);
269 g_string_free (next_types, TRUE);
275 GVariantBuilder builder;
279 g_variant_builder_init (&builder, G_VARIANT_TYPE ("ao"));
280 g_hash_table_iter_init (&iter, seat_bus_entries);
281 while (g_hash_table_iter_next (&iter, NULL, &value))
283 SeatBusEntry *entry = value;
284 g_variant_builder_add_value (&builder, g_variant_new_object_path (entry->path));
287 return g_variant_builder_end (&builder);
291 get_session_list (const gchar *seat_path)
293 GVariantBuilder builder;
297 g_variant_builder_init (&builder, G_VARIANT_TYPE ("ao"));
299 g_hash_table_iter_init (&iter, session_bus_entries);
300 while (g_hash_table_iter_next (&iter, NULL, &value))
302 SessionBusEntry *entry = value;
303 if (seat_path == NULL || strcmp (entry->seat_path, seat_path) == 0)
304 g_variant_builder_add_value (&builder, g_variant_new_object_path (entry->path));
307 return g_variant_builder_end (&builder);
311 handle_display_manager_get_property (GDBusConnection *connection,
313 const gchar *object_path,
314 const gchar *interface_name,
315 const gchar *property_name,
319 if (g_strcmp0 (property_name, "Seats") == 0)
320 return get_seat_list ();
321 else if (g_strcmp0 (property_name, "Sessions") == 0)
322 return get_session_list (NULL);
328 handle_display_manager_call (GDBusConnection *connection,
330 const gchar *object_path,
331 const gchar *interface_name,
332 const gchar *method_name,
333 GVariant *parameters,
334 GDBusMethodInvocation *invocation,
337 if (g_strcmp0 (method_name, "AddSeat") == 0)
338 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "AddSeat is deprecated");
339 else if (g_strcmp0 (method_name, "AddLocalXSeat") == 0)
344 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(i)")))
346 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
350 g_variant_get (parameters, "(i)", &display_number);
352 g_debug ("Adding local X seat :%d", display_number);
354 seat = seat_new ("xremote", "xremote0"); // FIXME: What to use for a name?
357 gchar *display_number_string;
359 set_seat_properties (seat, NULL);
360 display_number_string = g_strdup_printf ("%d", display_number);
361 seat_set_property (seat, "xserver-display-number", display_number_string);
362 g_free (display_number_string);
367 // FIXME: Need to make proper error
368 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Unable to create local X seat");
372 if (display_manager_add_seat (display_manager, seat))
376 entry = g_hash_table_lookup (seat_bus_entries, seat);
377 g_dbus_method_invocation_return_value (invocation, g_variant_new ("(o)", entry->path));
379 else// FIXME: Need to make proper error
380 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to start seat");
381 g_object_unref (seat);
384 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
388 handle_seat_get_property (GDBusConnection *connection,
390 const gchar *object_path,
391 const gchar *interface_name,
392 const gchar *property_name,
396 Seat *seat = user_data;
398 if (g_strcmp0 (property_name, "CanSwitch") == 0)
399 return g_variant_new_boolean (seat_get_can_switch (seat));
400 if (g_strcmp0 (property_name, "HasGuestAccount") == 0)
401 return g_variant_new_boolean (seat_get_allow_guest (seat));
402 else if (g_strcmp0 (property_name, "Sessions") == 0)
406 entry = g_hash_table_lookup (seat_bus_entries, seat);
407 return get_session_list (entry->path);
414 handle_seat_call (GDBusConnection *connection,
416 const gchar *object_path,
417 const gchar *interface_name,
418 const gchar *method_name,
419 GVariant *parameters,
420 GDBusMethodInvocation *invocation,
423 Seat *seat = user_data;
425 if (g_strcmp0 (method_name, "SwitchToGreeter") == 0)
427 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
428 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
430 if (seat_switch_to_greeter (seat))
431 g_dbus_method_invocation_return_value (invocation, NULL);
432 else// FIXME: Need to make proper error
433 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to greeter");
435 else if (g_strcmp0 (method_name, "SwitchToUser") == 0)
437 const gchar *username, *session_name;
439 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(ss)")))
440 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
442 g_variant_get (parameters, "(&s&s)", &username, &session_name);
443 if (strcmp (session_name, "") == 0)
446 if (seat_switch_to_user (seat, username, session_name))
447 g_dbus_method_invocation_return_value (invocation, NULL);
448 else// FIXME: Need to make proper error
449 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to user");
451 else if (g_strcmp0 (method_name, "SwitchToGuest") == 0)
453 const gchar *session_name;
455 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(s)")))
456 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
458 g_variant_get (parameters, "(&s)", &session_name);
459 if (strcmp (session_name, "") == 0)
462 if (seat_switch_to_guest (seat, session_name))
463 g_dbus_method_invocation_return_value (invocation, NULL);
464 else// FIXME: Need to make proper error
465 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to guest");
467 else if (g_strcmp0 (method_name, "Lock") == 0)
469 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
470 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
472 /* FIXME: Should only allow locks if have a session on this seat */
473 if (seat_lock (seat, NULL))
474 g_dbus_method_invocation_return_value (invocation, NULL);
475 else// FIXME: Need to make proper error
476 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to lock seat");
479 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
483 get_seat_for_session (Session *session)
487 for (seat_link = display_manager_get_seats (display_manager); seat_link; seat_link = seat_link->next)
489 Seat *seat = seat_link->data;
492 for (session_link = seat_get_sessions (seat); session_link; session_link = session_link->next)
494 Session *s = session_link->data;
505 handle_session_get_property (GDBusConnection *connection,
507 const gchar *object_path,
508 const gchar *interface_name,
509 const gchar *property_name,
513 Session *session = user_data;
514 SessionBusEntry *entry;
516 entry = g_hash_table_lookup (session_bus_entries, session);
517 if (g_strcmp0 (property_name, "Seat") == 0)
518 return g_variant_new_object_path (entry ? entry->seat_path : "");
519 else if (g_strcmp0 (property_name, "UserName") == 0)
520 return g_variant_new_string (session_get_username (session));
526 handle_session_call (GDBusConnection *connection,
528 const gchar *object_path,
529 const gchar *interface_name,
530 const gchar *method_name,
531 GVariant *parameters,
532 GDBusMethodInvocation *invocation,
535 Session *session = user_data;
537 if (g_strcmp0 (method_name, "Lock") == 0)
541 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
542 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
544 seat = get_seat_for_session (session);
545 /* FIXME: Should only allow locks if have a session on this seat */
546 seat_lock (seat, session_get_username (session));
547 g_dbus_method_invocation_return_value (invocation, NULL);
550 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
553 static SeatBusEntry *
554 seat_bus_entry_new (const gchar *path)
558 entry = g_malloc0 (sizeof (SeatBusEntry));
559 entry->path = g_strdup (path);
564 static SessionBusEntry *
565 session_bus_entry_new (const gchar *path, const gchar *seat_path)
567 SessionBusEntry *entry;
569 entry = g_malloc0 (sizeof (SessionBusEntry));
570 entry->path = g_strdup (path);
571 entry->seat_path = g_strdup (seat_path);
577 emit_object_value_changed (GDBusConnection *bus, const gchar *path, const gchar *interface_name, const gchar *property_name, GVariant *property_value)
579 GVariantBuilder builder;
580 GError *error = NULL;
582 g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
583 g_variant_builder_add (&builder, "{sv}", property_name, property_value);
585 if (!g_dbus_connection_emit_signal (bus,
588 "org.freedesktop.DBus.Properties",
590 g_variant_new ("(sa{sv}as)", interface_name, &builder, NULL),
592 g_warning ("Failed to emit PropertiesChanged signal: %s", error->message);
593 g_clear_error (&error);
597 emit_object_signal (GDBusConnection *bus, const gchar *path, const gchar *signal_name, const gchar *object_path)
599 GError *error = NULL;
601 if (!g_dbus_connection_emit_signal (bus,
604 "org.freedesktop.DisplayManager",
606 g_variant_new ("(o)", object_path),
608 g_warning ("Failed to emit %s signal on %s: %s", signal_name, path, error->message);
609 g_clear_error (&error);
613 seat_bus_entry_free (gpointer data)
615 SeatBusEntry *entry = data;
617 g_free (entry->path);
622 session_bus_entry_free (gpointer data)
624 SessionBusEntry *entry = data;
626 g_free (entry->path);
627 g_free (entry->seat_path);
632 running_user_session_cb (Seat *seat, Session *session)
634 static const GDBusInterfaceVTable session_vtable =
637 handle_session_get_property
639 SeatBusEntry *seat_entry;
640 SessionBusEntry *session_entry;
642 GError *error = NULL;
644 /* Set environment variables when session runs */
645 seat_entry = g_hash_table_lookup (seat_bus_entries, seat);
646 session_set_env (session, "XDG_SEAT_PATH", seat_entry->path);
647 path = g_strdup_printf ("/org/freedesktop/DisplayManager/Session%d", session_index);
649 session_set_env (session, "XDG_SESSION_PATH", path);
650 g_object_set_data_full (G_OBJECT (session), "XDG_SESSION_PATH", path, g_free);
652 session_entry = session_bus_entry_new (g_object_get_data (G_OBJECT (session), "XDG_SESSION_PATH"), seat_entry ? seat_entry->path : NULL);
653 g_hash_table_insert (session_bus_entries, g_object_ref (session), session_entry);
655 g_debug ("Registering session with bus path %s", session_entry->path);
657 session_entry->bus_id = g_dbus_connection_register_object (bus,
659 session_info->interfaces[0],
661 g_object_ref (session), g_object_unref,
663 if (session_entry->bus_id == 0)
664 g_warning ("Failed to register user session: %s", error->message);
665 g_clear_error (&error);
667 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Sessions", get_session_list (NULL));
668 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SessionAdded", session_entry->path);
670 emit_object_value_changed (bus, seat_entry->path, "org.freedesktop.DisplayManager.Seat", "Sessions", get_session_list (session_entry->seat_path));
671 emit_object_signal (bus, seat_entry->path, "SessionAdded", session_entry->path);
675 session_removed_cb (Seat *seat, Session *session)
677 SessionBusEntry *entry;
678 gchar *seat_path = NULL;
680 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
682 entry = g_hash_table_lookup (session_bus_entries, session);
685 g_dbus_connection_unregister_object (bus, entry->bus_id);
686 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SessionRemoved", entry->path);
687 emit_object_signal (bus, entry->seat_path, "SessionRemoved", entry->path);
688 seat_path = g_strdup (entry->seat_path);
691 g_hash_table_remove (session_bus_entries, session);
695 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Sessions", get_session_list (NULL));
696 emit_object_value_changed (bus, seat_path, "org.freedesktop.DisplayManager.Seat", "Sessions", get_session_list (seat_path));
702 seat_added_cb (DisplayManager *display_manager, Seat *seat)
704 static const GDBusInterfaceVTable seat_vtable =
707 handle_seat_get_property
711 GError *error = NULL;
713 path = g_strdup_printf ("/org/freedesktop/DisplayManager/Seat%d", seat_index);
716 entry = seat_bus_entry_new (path);
718 g_hash_table_insert (seat_bus_entries, g_object_ref (seat), entry);
720 g_debug ("Registering seat with bus path %s", entry->path);
722 entry->bus_id = g_dbus_connection_register_object (bus,
724 seat_info->interfaces[0],
726 g_object_ref (seat), g_object_unref,
728 if (entry->bus_id == 0)
729 g_warning ("Failed to register seat: %s", error->message);
730 g_clear_error (&error);
732 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Seats", get_seat_list ());
733 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SeatAdded", entry->path);
735 g_signal_connect (seat, SEAT_SIGNAL_RUNNING_USER_SESSION, G_CALLBACK (running_user_session_cb), NULL);
736 g_signal_connect (seat, SEAT_SIGNAL_SESSION_REMOVED, G_CALLBACK (session_removed_cb), NULL);
740 seat_removed_cb (DisplayManager *display_manager, Seat *seat)
744 entry = g_hash_table_lookup (seat_bus_entries, seat);
747 g_dbus_connection_unregister_object (bus, entry->bus_id);
748 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SeatRemoved", entry->path);
751 g_hash_table_remove (seat_bus_entries, seat);
753 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Seats", get_seat_list ());
757 xdmcp_session_cb (XDMCPServer *server, XDMCPSession *session)
759 SeatXDMCPSession *seat;
762 seat = seat_xdmcp_session_new (session);
763 set_seat_properties (SEAT (seat), NULL);
764 result = display_manager_add_seat (display_manager, SEAT (seat));
765 g_object_unref (seat);
771 vnc_connection_cb (VNCServer *server, GSocket *connection)
775 seat = seat_xvnc_new (connection);
776 set_seat_properties (SEAT (seat), NULL);
777 display_manager_add_seat (display_manager, SEAT (seat));
778 g_object_unref (seat);
782 bus_acquired_cb (GDBusConnection *connection,
786 const gchar *display_manager_interface =
788 " <interface name='org.freedesktop.DisplayManager'>"
789 " <property name='Seats' type='ao' access='read'/>"
790 " <property name='Sessions' type='ao' access='read'/>"
791 " <method name='AddSeat'>"
792 " <arg name='type' direction='in' type='s'/>"
793 " <arg name='properties' direction='in' type='a(ss)'/>"
794 " <arg name='seat' direction='out' type='o'/>"
796 " <method name='AddLocalXSeat'>"
797 " <arg name='display-number' direction='in' type='i'/>"
798 " <arg name='seat' direction='out' type='o'/>"
800 " <signal name='SeatAdded'>"
801 " <arg name='seat' type='o'/>"
803 " <signal name='SeatRemoved'>"
804 " <arg name='seat' type='o'/>"
806 " <signal name='SessionAdded'>"
807 " <arg name='session' type='o'/>"
809 " <signal name='SessionRemoved'>"
810 " <arg name='session' type='o'/>"
814 static const GDBusInterfaceVTable display_manager_vtable =
816 handle_display_manager_call,
817 handle_display_manager_get_property
819 const gchar *seat_interface =
821 " <interface name='org.freedesktop.DisplayManager.Seat'>"
822 " <property name='CanSwitch' type='b' access='read'/>"
823 " <property name='HasGuestAccount' type='b' access='read'/>"
824 " <property name='Sessions' type='ao' access='read'/>"
825 " <method name='SwitchToGreeter'/>"
826 " <method name='SwitchToUser'>"
827 " <arg name='username' direction='in' type='s'/>"
828 " <arg name='session-name' direction='in' type='s'/>"
830 " <method name='SwitchToGuest'>"
831 " <arg name='session-name' direction='in' type='s'/>"
833 " <method name='Lock'/>"
834 " <signal name='SessionAdded'>"
835 " <arg name='session' type='o'/>"
837 " <signal name='SessionRemoved'>"
838 " <arg name='session' type='o'/>"
842 const gchar *session_interface =
844 " <interface name='org.freedesktop.DisplayManager.Session'>"
845 " <property name='Seat' type='o' access='read'/>"
846 " <property name='UserName' type='s' access='read'/>"
847 " <method name='Lock'/>"
850 GDBusNodeInfo *display_manager_info;
852 GError *error = NULL;
854 g_debug ("Acquired bus name %s", name);
858 display_manager_info = g_dbus_node_info_new_for_xml (display_manager_interface, NULL);
859 g_assert (display_manager_info != NULL);
860 seat_info = g_dbus_node_info_new_for_xml (seat_interface, NULL);
861 g_assert (seat_info != NULL);
862 session_info = g_dbus_node_info_new_for_xml (session_interface, NULL);
863 g_assert (session_info != NULL);
865 reg_id = g_dbus_connection_register_object (connection,
866 "/org/freedesktop/DisplayManager",
867 display_manager_info->interfaces[0],
868 &display_manager_vtable,
872 g_warning ("Failed to register display manager: %s", error->message);
873 g_clear_error (&error);
874 g_dbus_node_info_unref (display_manager_info);
876 seat_bus_entries = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, seat_bus_entry_free);
877 session_bus_entries = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, session_bus_entry_free);
879 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_ADDED, G_CALLBACK (seat_added_cb), NULL);
880 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_REMOVED, G_CALLBACK (seat_removed_cb), NULL);
881 for (link = display_manager_get_seats (display_manager); link; link = link->next)
882 seat_added_cb (display_manager, (Seat *) link->data);
884 display_manager_start (display_manager);
886 /* Start the XDMCP server */
887 if (config_get_boolean (config_get_instance (), "XDMCPServer", "enabled"))
889 gchar *key_name, *key = NULL;
891 xdmcp_server = xdmcp_server_new ();
892 if (config_has_key (config_get_instance (), "XDMCPServer", "port"))
895 port = config_get_integer (config_get_instance (), "XDMCPServer", "port");
897 xdmcp_server_set_port (xdmcp_server, port);
899 g_signal_connect (xdmcp_server, XDMCP_SERVER_SIGNAL_NEW_SESSION, G_CALLBACK (xdmcp_session_cb), NULL);
901 key_name = config_get_string (config_get_instance (), "XDMCPServer", "key");
907 GError *error = NULL;
909 path = g_build_filename (config_get_directory (config_get_instance ()), "keys.conf", NULL);
911 keys = g_key_file_new ();
912 result = g_key_file_load_from_file (keys, path, G_KEY_FILE_NONE, &error);
914 g_debug ("Error getting key %s", error->message);
915 g_clear_error (&error);
919 if (g_key_file_has_key (keys, "keyring", key_name, NULL))
920 key = g_key_file_get_string (keys, "keyring", key_name, NULL);
922 g_debug ("Key %s not defined", key_name);
925 g_key_file_free (keys);
928 xdmcp_server_set_key (xdmcp_server, key);
932 g_debug ("Starting XDMCP server on UDP/IP port %d", xdmcp_server_get_port (xdmcp_server));
933 xdmcp_server_start (xdmcp_server);
936 /* Start the VNC server */
937 if (config_get_boolean (config_get_instance (), "VNCServer", "enabled"))
941 path = g_find_program_in_path ("Xvnc");
944 vnc_server = vnc_server_new ();
945 if (config_has_key (config_get_instance (), "VNCServer", "port"))
948 port = config_get_integer (config_get_instance (), "VNCServer", "port");
950 vnc_server_set_port (vnc_server, port);
952 g_signal_connect (vnc_server, VNC_SERVER_SIGNAL_NEW_CONNECTION, G_CALLBACK (vnc_connection_cb), NULL);
954 g_debug ("Starting VNC server on TCP/IP port %d", vnc_server_get_port (vnc_server));
955 vnc_server_start (vnc_server);
960 g_warning ("Can't start VNC server, Xvnc is not in the path");
965 name_lost_cb (GDBusConnection *connection,
970 g_printerr ("Failed to use bus name " LIGHTDM_BUS_NAME ", do you have appropriate permissions?\n");
972 g_printerr ("Failed to get D-Bus connection\n");
978 add_login1_seat (Login1Seat *login1_seat)
980 const gchar *seat_name = login1_seat_get_id (login1_seat);
981 gchar **types = NULL, **type;
982 GList *config_sections = NULL, *link;
984 gboolean is_seat0, started = FALSE;
986 g_debug ("New seat added from logind: %s", seat_name);
987 is_seat0 = strcmp (seat_name, "seat0") == 0;
989 config_sections = get_config_sections (seat_name);
990 for (link = g_list_last (config_sections); link; link = link->prev)
992 gchar *config_section = link->data;
993 types = config_get_string_list (config_get_instance (), config_section, "type");
997 g_list_free_full (config_sections, g_free);
999 for (type = types; !seat && type && *type; type++)
1000 seat = seat_new (*type, seat_name);
1005 set_seat_properties (seat, seat_name);
1007 if (!login1_seat_get_can_multi_session (login1_seat))
1009 g_debug ("Seat %s has property CanMultiSession=no", seat_name);
1010 /* XXX: uncomment this line after bug #1371250 is closed.
1011 seat_set_property (seat, "allow-user-switching", "false"); */
1015 seat_set_property (seat, "exit-on-failure", "true");
1018 g_debug ("Unable to create seat: %s", seat_name);
1022 started = display_manager_add_seat (display_manager, seat);
1024 g_debug ("Failed to start seat: %s", seat_name);
1027 g_object_unref (seat);
1033 remove_login1_seat (Login1Seat *login1_seat)
1037 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1043 seat_stopped_cb (Seat *seat, Login1Seat *login1_seat)
1045 update_login1_seat (login1_seat);
1046 g_signal_handlers_disconnect_matched (seat, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, login1_seat);
1050 update_login1_seat (Login1Seat *login1_seat)
1052 if (!config_get_boolean (config_get_instance (), "LightDM", "logind-check-graphical") ||
1053 login1_seat_get_can_graphical (login1_seat))
1057 /* Wait for existing seat to stop or ignore if we already have a valid seat */
1058 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1061 if (seat_get_is_stopping (seat))
1062 g_signal_connect (seat, SEAT_SIGNAL_STOPPED, G_CALLBACK (seat_stopped_cb), login1_seat);
1066 return add_login1_seat (login1_seat);
1070 remove_login1_seat (login1_seat);
1076 login1_can_graphical_changed_cb (Login1Seat *login1_seat)
1078 g_debug ("Seat %s changes graphical state to %s", login1_seat_get_id (login1_seat), login1_seat_get_can_graphical (login1_seat) ? "true" : "false");
1079 update_login1_seat (login1_seat);
1083 login1_active_session_changed_cb (Login1Seat *login1_seat, const gchar *login1_session_id)
1085 g_debug ("Seat %s changes active session to %s", login1_seat_get_id (login1_seat), login1_session_id);
1088 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1092 Session *active_session;
1093 active_session = seat_get_expected_active_session (seat);
1095 if (g_strcmp0 (login1_session_id, session_get_login1_session_id (active_session)) == 0)
1097 // Session is already active
1098 g_debug ("Session %s is already active", login1_session_id);
1102 active_session = seat_find_session_by_login1_id (seat, login1_session_id);
1103 if (active_session != NULL)
1105 g_debug ("Activating session %s", login1_session_id);
1106 seat_set_externally_activated_session (seat, active_session);
1114 login1_add_seat (Login1Seat *login1_seat)
1116 if (config_get_boolean (config_get_instance (), "LightDM", "logind-check-graphical"))
1117 g_signal_connect (login1_seat, "can-graphical-changed", G_CALLBACK (login1_can_graphical_changed_cb), NULL);
1119 g_signal_connect (login1_seat, LOGIN1_SIGNAL_ACTIVE_SESION_CHANGED, G_CALLBACK (login1_active_session_changed_cb), NULL);
1121 return update_login1_seat (login1_seat);
1125 login1_service_seat_added_cb (Login1Service *service, Login1Seat *login1_seat)
1127 if (login1_seat_get_can_graphical (login1_seat))
1128 g_debug ("Seat %s added from logind", login1_seat_get_id (login1_seat));
1130 g_debug ("Seat %s added from logind without graphical output", login1_seat_get_id (login1_seat));
1132 login1_add_seat (login1_seat);
1136 login1_service_seat_removed_cb (Login1Service *service, Login1Seat *login1_seat)
1138 g_debug ("Seat %s removed from logind", login1_seat_get_id (login1_seat));
1139 g_signal_handlers_disconnect_matched (login1_seat, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, login1_can_graphical_changed_cb, NULL);
1140 g_signal_handlers_disconnect_matched (login1_seat, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, login1_active_session_changed_cb, NULL);
1141 remove_login1_seat (login1_seat);
1145 main (int argc, char **argv)
1148 GOptionContext *option_context;
1151 gboolean test_mode = FALSE;
1152 gchar *pid_path = "/var/run/lightdm.pid";
1153 gchar *log_dir = NULL;
1154 gchar *run_dir = NULL;
1155 gchar *cache_dir = NULL;
1156 gchar *default_log_dir = g_strdup (LOG_DIR);
1157 gchar *default_run_dir = g_strdup (RUN_DIR);
1158 gchar *default_cache_dir = g_strdup (CACHE_DIR);
1159 gboolean show_config = FALSE, show_version = FALSE;
1160 GList *link, *messages = NULL;
1161 GOptionEntry options[] =
1163 { "config", 'c', 0, G_OPTION_ARG_STRING, &config_path,
1164 /* Help string for command line --config flag */
1165 N_("Use configuration file"), "FILE" },
1166 { "debug", 'd', 0, G_OPTION_ARG_NONE, &debug,
1167 /* Help string for command line --debug flag */
1168 N_("Print debugging messages"), NULL },
1169 { "test-mode", 0, 0, G_OPTION_ARG_NONE, &test_mode,
1170 /* Help string for command line --test-mode flag */
1171 N_("Run as unprivileged user, skipping things that require root access"), NULL },
1172 { "pid-file", 0, 0, G_OPTION_ARG_STRING, &pid_path,
1173 /* Help string for command line --pid-file flag */
1174 N_("File to write PID into"), "FILE" },
1175 { "log-dir", 0, 0, G_OPTION_ARG_STRING, &log_dir,
1176 /* Help string for command line --log-dir flag */
1177 N_("Directory to write logs to"), "DIRECTORY" },
1178 { "run-dir", 0, 0, G_OPTION_ARG_STRING, &run_dir,
1179 /* Help string for command line --run-dir flag */
1180 N_("Directory to store running state"), "DIRECTORY" },
1181 { "cache-dir", 0, 0, G_OPTION_ARG_STRING, &cache_dir,
1182 /* Help string for command line --cache-dir flag */
1183 N_("Directory to cache information"), "DIRECTORY" },
1184 { "show-config", 0, 0, G_OPTION_ARG_NONE, &show_config,
1185 /* Help string for command line --show-config flag */
1186 N_("Show combined configuration"), NULL },
1187 { "version", 'v', 0, G_OPTION_ARG_NONE, &show_version,
1188 /* Help string for command line --version flag */
1189 N_("Show release version"), NULL },
1192 GError *error = NULL;
1194 /* When lightdm starts sessions it needs to run itself in a new mode */
1195 if (argc >= 2 && strcmp (argv[1], "--session-child") == 0)
1196 return session_child_run (argc, argv);
1198 #if !defined(GLIB_VERSION_2_36)
1201 loop = g_main_loop_new (NULL, FALSE);
1203 messages = g_list_append (messages, g_strdup_printf ("Starting Light Display Manager %s, UID=%i PID=%i", VERSION, getuid (), getpid ()));
1205 g_signal_connect (process_get_current (), PROCESS_SIGNAL_GOT_SIGNAL, G_CALLBACK (signal_cb), NULL);
1207 option_context = g_option_context_new (/* Arguments and description for --help test */
1208 _("- Display Manager"));
1209 g_option_context_add_main_entries (option_context, options, GETTEXT_PACKAGE);
1210 result = g_option_context_parse (option_context, &argc, &argv, &error);
1212 g_printerr ("%s\n", error->message);
1213 g_clear_error (&error);
1214 g_option_context_free (option_context);
1217 g_printerr (/* Text printed out when an unknown command-line argument provided */
1218 _("Run '%s --help' to see a full list of available command line options."), argv[0]);
1220 return EXIT_FAILURE;
1223 /* Show combined configuration if user requested it */
1226 GList *sources, *link;
1227 gchar **groups, *last_source, *empty_source;
1228 GHashTable *source_ids;
1231 if (!config_load_from_standard_locations (config_get_instance (), config_path, NULL))
1232 return EXIT_FAILURE;
1234 /* Number sources */
1235 sources = config_get_sources (config_get_instance ());
1236 source_ids = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
1238 for (i = 0, link = sources; link; i++, link = link->next)
1244 id = g_strdup_printf ("%c", 'A' + i);
1246 id = g_strdup_printf ("%d", i);
1247 g_hash_table_insert (source_ids, g_strdup (path), id);
1250 empty_source = g_strdup (last_source);
1251 for (i = 0; empty_source[i] != '\0'; i++)
1252 empty_source[i] = ' ';
1254 /* Print out keys */
1255 groups = config_get_groups (config_get_instance ());
1256 for (i = 0; groups[i]; i++)
1263 g_printerr ("%s [%s]\n", empty_source, groups[i]);
1265 keys = config_get_keys (config_get_instance (), groups[i]);
1266 for (j = 0; keys && keys[j]; j++)
1268 const gchar *source, *id;
1271 source = config_get_source (config_get_instance (), groups[i], keys[j]);
1272 id = source ? g_hash_table_lookup (source_ids, source) : empty_source;
1273 value = config_get_string (config_get_instance (), groups[i], keys[j]);
1274 g_printerr ("%s %s=%s\n", id, keys[j], value);
1280 g_strfreev (groups);
1282 /* Show mapping from source number to path */
1284 g_printerr ("Sources:\n");
1285 for (link = sources; link; link = link->next)
1287 const gchar *path = link->data;
1288 const gchar *source;
1290 source = g_hash_table_lookup (source_ids, path);
1291 g_printerr ("%s %s\n", source, path);
1294 g_hash_table_destroy (source_ids);
1296 return EXIT_SUCCESS;
1301 /* NOTE: Is not translated so can be easily parsed */
1302 g_printerr ("lightdm %s\n", VERSION);
1303 return EXIT_SUCCESS;
1306 if (!test_mode && getuid () != 0)
1308 g_printerr ("Only root can run Light Display Manager. To run as a regular user for testing run with the --test-mode flag.\n");
1309 return EXIT_FAILURE;
1312 /* If running inside an X server use Xephyr for display */
1313 if (getenv ("DISPLAY") && getuid () != 0)
1315 gchar *x_server_path;
1317 x_server_path = g_find_program_in_path ("Xephyr");
1320 g_printerr ("Running inside an X server requires Xephyr to be installed but it cannot be found. Please install it or update your PATH environment variable.\n");
1321 return EXIT_FAILURE;
1323 g_free (x_server_path);
1326 /* Make sure the system binary directory (where the greeters are installed) is in the path */
1329 const gchar *path = g_getenv ("PATH");
1333 new_path = g_strdup_printf ("%s:%s", path, SBIN_DIR);
1335 new_path = g_strdup (SBIN_DIR);
1336 g_setenv ("PATH", new_path, TRUE);
1340 /* Write PID file */
1341 pid_file = fopen (pid_path, "w");
1344 fprintf (pid_file, "%d\n", getpid ());
1348 /* If not running as root write output to directories we control */
1351 g_free (default_log_dir);
1352 default_log_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "log", NULL);
1353 g_free (default_run_dir);
1354 default_run_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "run", NULL);
1355 g_free (default_cache_dir);
1356 default_cache_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "cache", NULL);
1359 /* Load config file(s) */
1360 if (!config_load_from_standard_locations (config_get_instance (), config_path, &messages))
1361 exit (EXIT_FAILURE);
1362 g_free (config_path);
1364 /* Set default values */
1365 if (!config_has_key (config_get_instance (), "LightDM", "start-default-seat"))
1366 config_set_boolean (config_get_instance (), "LightDM", "start-default-seat", TRUE);
1367 if (!config_has_key (config_get_instance (), "LightDM", "minimum-vt"))
1368 config_set_integer (config_get_instance (), "LightDM", "minimum-vt", 7);
1369 if (!config_has_key (config_get_instance (), "LightDM", "guest-account-script"))
1370 config_set_string (config_get_instance (), "LightDM", "guest-account-script", "guest-account");
1371 if (!config_has_key (config_get_instance (), "LightDM", "greeter-user"))
1372 config_set_string (config_get_instance (), "LightDM", "greeter-user", GREETER_USER);
1373 if (!config_has_key (config_get_instance (), "LightDM", "lock-memory"))
1374 config_set_boolean (config_get_instance (), "LightDM", "lock-memory", TRUE);
1375 if (!config_has_key (config_get_instance (), "Seat:*", "type"))
1376 config_set_string (config_get_instance (), "Seat:*", "type", "xlocal");
1377 if (!config_has_key (config_get_instance (), "Seat:*", "pam-service"))
1378 config_set_string (config_get_instance (), "Seat:*", "pam-service", "lightdm");
1379 if (!config_has_key (config_get_instance (), "Seat:*", "pam-autologin-service"))
1380 config_set_string (config_get_instance (), "Seat:*", "pam-autologin-service", "lightdm-autologin");
1381 if (!config_has_key (config_get_instance (), "Seat:*", "pam-greeter-service"))
1382 config_set_string (config_get_instance (), "Seat:*", "pam-greeter-service", "lightdm-greeter");
1383 if (!config_has_key (config_get_instance (), "Seat:*", "xserver-command"))
1384 config_set_string (config_get_instance (), "Seat:*", "xserver-command", "X");
1385 if (!config_has_key (config_get_instance (), "Seat:*", "xmir-command"))
1386 config_set_string (config_get_instance (), "Seat:*", "xmir-command", "Xmir");
1387 if (!config_has_key (config_get_instance (), "Seat:*", "xserver-share"))
1388 config_set_boolean (config_get_instance (), "Seat:*", "xserver-share", TRUE);
1389 if (!config_has_key (config_get_instance (), "Seat:*", "unity-compositor-command"))
1390 config_set_string (config_get_instance (), "Seat:*", "unity-compositor-command", "unity-system-compositor");
1391 if (!config_has_key (config_get_instance (), "Seat:*", "start-session"))
1392 config_set_boolean (config_get_instance (), "Seat:*", "start-session", TRUE);
1393 if (!config_has_key (config_get_instance (), "Seat:*", "allow-user-switching"))
1394 config_set_boolean (config_get_instance (), "Seat:*", "allow-user-switching", TRUE);
1395 if (!config_has_key (config_get_instance (), "Seat:*", "allow-guest"))
1396 config_set_boolean (config_get_instance (), "Seat:*", "allow-guest", TRUE);
1397 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-allow-guest"))
1398 config_set_boolean (config_get_instance (), "Seat:*", "greeter-allow-guest", TRUE);
1399 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-show-remote-login"))
1400 config_set_boolean (config_get_instance (), "Seat:*", "greeter-show-remote-login", TRUE);
1401 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-session"))
1402 config_set_string (config_get_instance (), "Seat:*", "greeter-session", GREETER_SESSION);
1403 if (!config_has_key (config_get_instance (), "Seat:*", "user-session"))
1404 config_set_string (config_get_instance (), "Seat:*", "user-session", USER_SESSION);
1405 if (!config_has_key (config_get_instance (), "Seat:*", "session-wrapper"))
1406 config_set_string (config_get_instance (), "Seat:*", "session-wrapper", "lightdm-session");
1407 if (!config_has_key (config_get_instance (), "LightDM", "log-directory"))
1408 config_set_string (config_get_instance (), "LightDM", "log-directory", default_log_dir);
1409 g_free (default_log_dir);
1410 if (!config_has_key (config_get_instance (), "LightDM", "run-directory"))
1411 config_set_string (config_get_instance (), "LightDM", "run-directory", default_run_dir);
1412 g_free (default_run_dir);
1413 if (!config_has_key (config_get_instance (), "LightDM", "cache-directory"))
1414 config_set_string (config_get_instance (), "LightDM", "cache-directory", default_cache_dir);
1415 g_free (default_cache_dir);
1416 if (!config_has_key (config_get_instance (), "LightDM", "sessions-directory"))
1417 config_set_string (config_get_instance (), "LightDM", "sessions-directory", SESSIONS_DIR);
1418 if (!config_has_key (config_get_instance (), "LightDM", "remote-sessions-directory"))
1419 config_set_string (config_get_instance (), "LightDM", "remote-sessions-directory", REMOTE_SESSIONS_DIR);
1420 if (!config_has_key (config_get_instance (), "LightDM", "greeters-directory"))
1421 config_set_string (config_get_instance (), "LightDM", "greeters-directory", GREETERS_DIR);
1423 /* Override defaults */
1425 config_set_string (config_get_instance (), "LightDM", "log-directory", log_dir);
1428 config_set_string (config_get_instance (), "LightDM", "run-directory", run_dir);
1431 config_set_string (config_get_instance (), "LightDM", "cache-directory", cache_dir);
1434 /* Create run and cache directories */
1435 dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
1436 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1437 g_warning ("Failed to make log directory %s: %s", dir, strerror (errno));
1439 dir = config_get_string (config_get_instance (), "LightDM", "run-directory");
1440 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1441 g_warning ("Failed to make run directory %s: %s", dir, strerror (errno));
1443 dir = config_get_string (config_get_instance (), "LightDM", "cache-directory");
1444 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1445 g_warning ("Failed to make cache directory %s: %s", dir, strerror (errno));
1450 /* Show queued messages once logging is complete */
1451 for (link = messages; link; link = link->next)
1452 g_debug ("%s", (gchar *)link->data);
1453 g_list_free_full (messages, g_free);
1455 g_debug ("Using D-Bus name %s", LIGHTDM_BUS_NAME);
1456 bus_id = g_bus_own_name (getuid () == 0 ? G_BUS_TYPE_SYSTEM : G_BUS_TYPE_SESSION,
1458 G_BUS_NAME_OWNER_FLAGS_NONE,
1466 g_debug ("Running in user mode");
1467 if (getenv ("DISPLAY"))
1468 g_debug ("Using Xephyr for X servers");
1470 display_manager = display_manager_new ();
1471 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_STOPPED, G_CALLBACK (display_manager_stopped_cb), NULL);
1472 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_REMOVED, G_CALLBACK (display_manager_seat_removed_cb), NULL);
1474 shared_data_manager_start (shared_data_manager_get_instance ());
1476 /* Connect to logind */
1477 if (login1_service_connect (login1_service_get_instance ()))
1479 /* Load dynamic seats from logind */
1480 g_debug ("Monitoring logind for seats");
1482 if (config_get_boolean (config_get_instance (), "LightDM", "start-default-seat"))
1484 g_signal_connect (login1_service_get_instance (), LOGIN1_SERVICE_SIGNAL_SEAT_ADDED, G_CALLBACK (login1_service_seat_added_cb), NULL);
1485 g_signal_connect (login1_service_get_instance (), LOGIN1_SERVICE_SIGNAL_SEAT_REMOVED, G_CALLBACK (login1_service_seat_removed_cb), NULL);
1487 for (link = login1_service_get_seats (login1_service_get_instance ()); link; link = link->next)
1489 Login1Seat *login1_seat = link->data;
1490 if (!login1_add_seat (login1_seat))
1491 return EXIT_FAILURE;
1497 if (config_get_boolean (config_get_instance (), "LightDM", "start-default-seat"))
1503 g_debug ("Adding default seat");
1505 types = config_get_string_list (config_get_instance (), "Seat:*", "type");
1506 for (type = types; type && *type; type++)
1508 seat = seat_new (*type, "seat0");
1515 set_seat_properties (seat, NULL);
1516 seat_set_property (seat, "exit-on-failure", "true");
1517 if (!display_manager_add_seat (display_manager, seat))
1518 return EXIT_FAILURE;
1519 g_object_unref (seat);
1523 g_warning ("Failed to create default seat");
1524 return EXIT_FAILURE;
1529 g_main_loop_run (loop);
1531 /* Clean up shared data manager */
1532 shared_data_manager_cleanup ();
1534 /* Clean up user list */
1535 common_user_list_cleanup ();
1537 /* Clean up display manager */
1538 g_object_unref (display_manager);
1539 display_manager = NULL;
1541 /* Remove D-Bus interface */
1542 g_dbus_connection_unregister_object (bus, reg_id);
1543 g_bus_unown_name (bus_id);
1544 if (seat_bus_entries)
1545 g_hash_table_unref (seat_bus_entries);
1546 if (session_bus_entries)
1547 g_hash_table_unref (session_bus_entries);
1549 g_debug ("Exiting with return value %d", exit_code);