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 groups = config_get_groups (config_get_instance ());
157 for (i = groups; *i; i++)
159 if (g_str_has_prefix (*i, "Seat:"))
161 const gchar *seat_name_glob = *i + strlen ("Seat:");
162 if (g_pattern_match_simple (seat_name_glob, seat_name ? seat_name : ""))
163 config_sections = g_list_append (config_sections, g_strdup (*i));
168 return config_sections;
172 set_seat_properties (Seat *seat, const gchar *seat_name)
174 GList *sections, *link;
178 sections = get_config_sections (seat_name);
179 for (link = sections; link; link = link->next)
181 const gchar *section = link->data;
182 g_debug ("Loading properties from config section %s", section);
183 keys = config_get_keys (config_get_instance (), section);
184 for (i = 0; keys && keys[i]; i++)
186 gchar *value = config_get_string (config_get_instance (), section, keys[i]);
187 seat_set_property (seat, keys[i], value);
192 g_list_free_full (sections, g_free);
196 signal_cb (Process *process, int signum)
198 g_debug ("Caught %s signal, shutting down", g_strsignal (signum));
199 display_manager_stop (display_manager);
200 // FIXME: Stop XDMCP server
204 display_manager_stopped_cb (DisplayManager *display_manager)
206 g_debug ("Stopping daemon");
207 g_main_loop_quit (loop);
211 display_manager_seat_removed_cb (DisplayManager *display_manager, Seat *seat)
215 Seat *next_seat = NULL;
218 /* If we have fallback types registered for the seat, let's try them
220 types = seat_get_string_list_property (seat, "type");
221 next_types = g_string_new ("");
222 for (iter = types; iter && *iter; iter++)
225 continue; // skip first one, that is our current seat type
229 next_seat = seat_new (*iter, seat_get_name (seat));
230 g_string_assign (next_types, *iter);
234 // Build up list of types to try next time
235 g_string_append_c (next_types, ';');
236 g_string_append (next_types, *iter);
243 set_seat_properties (next_seat, seat_get_name (seat));
245 // We set this manually on default seat. Let's port it over if needed.
246 if (seat_get_boolean_property (seat, "exit-on-failure"))
247 seat_set_property (next_seat, "exit-on-failure", "true");
249 seat_set_property (next_seat, "type", next_types->str);
251 display_manager_add_seat (display_manager, next_seat);
252 g_object_unref (next_seat);
254 else if (seat_get_boolean_property (seat, "exit-on-failure"))
256 g_debug ("Required seat has stopped");
257 exit_code = EXIT_FAILURE;
258 display_manager_stop (display_manager);
261 g_string_free (next_types, TRUE);
267 GVariantBuilder builder;
271 g_variant_builder_init (&builder, G_VARIANT_TYPE ("ao"));
272 g_hash_table_iter_init (&iter, seat_bus_entries);
273 while (g_hash_table_iter_next (&iter, NULL, &value))
275 SeatBusEntry *entry = value;
276 g_variant_builder_add_value (&builder, g_variant_new_object_path (entry->path));
279 return g_variant_builder_end (&builder);
283 get_session_list (const gchar *seat_path)
285 GVariantBuilder builder;
289 g_variant_builder_init (&builder, G_VARIANT_TYPE ("ao"));
291 g_hash_table_iter_init (&iter, session_bus_entries);
292 while (g_hash_table_iter_next (&iter, NULL, &value))
294 SessionBusEntry *entry = value;
295 if (seat_path == NULL || strcmp (entry->seat_path, seat_path) == 0)
296 g_variant_builder_add_value (&builder, g_variant_new_object_path (entry->path));
299 return g_variant_builder_end (&builder);
303 handle_display_manager_get_property (GDBusConnection *connection,
305 const gchar *object_path,
306 const gchar *interface_name,
307 const gchar *property_name,
311 if (g_strcmp0 (property_name, "Seats") == 0)
312 return get_seat_list ();
313 else if (g_strcmp0 (property_name, "Sessions") == 0)
314 return get_session_list (NULL);
320 handle_display_manager_call (GDBusConnection *connection,
322 const gchar *object_path,
323 const gchar *interface_name,
324 const gchar *method_name,
325 GVariant *parameters,
326 GDBusMethodInvocation *invocation,
329 if (g_strcmp0 (method_name, "AddSeat") == 0)
330 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "AddSeat is deprecated");
331 else if (g_strcmp0 (method_name, "AddLocalXSeat") == 0)
336 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(i)")))
338 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
342 g_variant_get (parameters, "(i)", &display_number);
344 g_debug ("Adding local X seat :%d", display_number);
346 seat = seat_new ("xremote", "xremote0"); // FIXME: What to use for a name?
349 gchar *display_number_string;
351 set_seat_properties (seat, NULL);
352 display_number_string = g_strdup_printf ("%d", display_number);
353 seat_set_property (seat, "xserver-display-number", display_number_string);
354 g_free (display_number_string);
359 // FIXME: Need to make proper error
360 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Unable to create local X seat");
364 if (display_manager_add_seat (display_manager, seat))
368 entry = g_hash_table_lookup (seat_bus_entries, seat);
369 g_dbus_method_invocation_return_value (invocation, g_variant_new ("(o)", entry->path));
371 else// FIXME: Need to make proper error
372 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to start seat");
373 g_object_unref (seat);
376 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
380 handle_seat_get_property (GDBusConnection *connection,
382 const gchar *object_path,
383 const gchar *interface_name,
384 const gchar *property_name,
388 Seat *seat = user_data;
390 if (g_strcmp0 (property_name, "CanSwitch") == 0)
391 return g_variant_new_boolean (seat_get_can_switch (seat));
392 if (g_strcmp0 (property_name, "HasGuestAccount") == 0)
393 return g_variant_new_boolean (seat_get_allow_guest (seat));
394 else if (g_strcmp0 (property_name, "Sessions") == 0)
398 entry = g_hash_table_lookup (seat_bus_entries, seat);
399 return get_session_list (entry->path);
406 handle_seat_call (GDBusConnection *connection,
408 const gchar *object_path,
409 const gchar *interface_name,
410 const gchar *method_name,
411 GVariant *parameters,
412 GDBusMethodInvocation *invocation,
415 Seat *seat = user_data;
417 if (g_strcmp0 (method_name, "SwitchToGreeter") == 0)
419 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
420 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
422 if (seat_switch_to_greeter (seat))
423 g_dbus_method_invocation_return_value (invocation, NULL);
424 else// FIXME: Need to make proper error
425 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to greeter");
427 else if (g_strcmp0 (method_name, "SwitchToUser") == 0)
429 const gchar *username, *session_name;
431 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(ss)")))
432 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
434 g_variant_get (parameters, "(&s&s)", &username, &session_name);
435 if (strcmp (session_name, "") == 0)
438 if (seat_switch_to_user (seat, username, session_name))
439 g_dbus_method_invocation_return_value (invocation, NULL);
440 else// FIXME: Need to make proper error
441 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to user");
443 else if (g_strcmp0 (method_name, "SwitchToGuest") == 0)
445 const gchar *session_name;
447 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(s)")))
448 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
450 g_variant_get (parameters, "(&s)", &session_name);
451 if (strcmp (session_name, "") == 0)
454 if (seat_switch_to_guest (seat, session_name))
455 g_dbus_method_invocation_return_value (invocation, NULL);
456 else// FIXME: Need to make proper error
457 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to guest");
459 else if (g_strcmp0 (method_name, "Lock") == 0)
461 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
462 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
464 /* FIXME: Should only allow locks if have a session on this seat */
465 if (seat_lock (seat, NULL))
466 g_dbus_method_invocation_return_value (invocation, NULL);
467 else// FIXME: Need to make proper error
468 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to lock seat");
471 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
475 get_seat_for_session (Session *session)
479 for (seat_link = display_manager_get_seats (display_manager); seat_link; seat_link = seat_link->next)
481 Seat *seat = seat_link->data;
484 for (session_link = seat_get_sessions (seat); session_link; session_link = session_link->next)
486 Session *s = session_link->data;
497 handle_session_get_property (GDBusConnection *connection,
499 const gchar *object_path,
500 const gchar *interface_name,
501 const gchar *property_name,
505 Session *session = user_data;
506 SessionBusEntry *entry;
508 entry = g_hash_table_lookup (session_bus_entries, session);
509 if (g_strcmp0 (property_name, "Seat") == 0)
510 return g_variant_new_object_path (entry ? entry->seat_path : "");
511 else if (g_strcmp0 (property_name, "UserName") == 0)
512 return g_variant_new_string (session_get_username (session));
518 handle_session_call (GDBusConnection *connection,
520 const gchar *object_path,
521 const gchar *interface_name,
522 const gchar *method_name,
523 GVariant *parameters,
524 GDBusMethodInvocation *invocation,
527 Session *session = user_data;
529 if (g_strcmp0 (method_name, "Lock") == 0)
533 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
534 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
536 seat = get_seat_for_session (session);
537 /* FIXME: Should only allow locks if have a session on this seat */
538 seat_lock (seat, session_get_username (session));
539 g_dbus_method_invocation_return_value (invocation, NULL);
542 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
545 static SeatBusEntry *
546 seat_bus_entry_new (const gchar *path)
550 entry = g_malloc0 (sizeof (SeatBusEntry));
551 entry->path = g_strdup (path);
556 static SessionBusEntry *
557 session_bus_entry_new (const gchar *path, const gchar *seat_path)
559 SessionBusEntry *entry;
561 entry = g_malloc0 (sizeof (SessionBusEntry));
562 entry->path = g_strdup (path);
563 entry->seat_path = g_strdup (seat_path);
569 emit_object_value_changed (GDBusConnection *bus, const gchar *path, const gchar *interface_name, const gchar *property_name, GVariant *property_value)
571 GVariantBuilder builder;
572 GError *error = NULL;
574 g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
575 g_variant_builder_add (&builder, "{sv}", property_name, property_value);
577 if (!g_dbus_connection_emit_signal (bus,
580 "org.freedesktop.DBus.Properties",
582 g_variant_new ("(sa{sv}as)", interface_name, &builder, NULL),
584 g_warning ("Failed to emit PropertiesChanged signal: %s", error->message);
585 g_clear_error (&error);
589 emit_object_signal (GDBusConnection *bus, const gchar *path, const gchar *signal_name, const gchar *object_path)
591 GError *error = NULL;
593 if (!g_dbus_connection_emit_signal (bus,
596 "org.freedesktop.DisplayManager",
598 g_variant_new ("(o)", object_path),
600 g_warning ("Failed to emit %s signal on %s: %s", signal_name, path, error->message);
601 g_clear_error (&error);
605 seat_bus_entry_free (gpointer data)
607 SeatBusEntry *entry = data;
609 g_free (entry->path);
614 session_bus_entry_free (gpointer data)
616 SessionBusEntry *entry = data;
618 g_free (entry->path);
619 g_free (entry->seat_path);
624 running_user_session_cb (Seat *seat, Session *session)
626 static const GDBusInterfaceVTable session_vtable =
629 handle_session_get_property
631 SeatBusEntry *seat_entry;
632 SessionBusEntry *session_entry;
634 GError *error = NULL;
636 /* Set environment variables when session runs */
637 seat_entry = g_hash_table_lookup (seat_bus_entries, seat);
638 session_set_env (session, "XDG_SEAT_PATH", seat_entry->path);
639 path = g_strdup_printf ("/org/freedesktop/DisplayManager/Session%d", session_index);
641 session_set_env (session, "XDG_SESSION_PATH", path);
642 g_object_set_data_full (G_OBJECT (session), "XDG_SESSION_PATH", path, g_free);
644 session_entry = session_bus_entry_new (g_object_get_data (G_OBJECT (session), "XDG_SESSION_PATH"), seat_entry ? seat_entry->path : NULL);
645 g_hash_table_insert (session_bus_entries, g_object_ref (session), session_entry);
647 g_debug ("Registering session with bus path %s", session_entry->path);
649 session_entry->bus_id = g_dbus_connection_register_object (bus,
651 session_info->interfaces[0],
653 g_object_ref (session), g_object_unref,
655 if (session_entry->bus_id == 0)
656 g_warning ("Failed to register user session: %s", error->message);
657 g_clear_error (&error);
659 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Sessions", get_session_list (NULL));
660 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SessionAdded", session_entry->path);
662 emit_object_value_changed (bus, seat_entry->path, "org.freedesktop.DisplayManager.Seat", "Sessions", get_session_list (session_entry->seat_path));
663 emit_object_signal (bus, seat_entry->path, "SessionAdded", session_entry->path);
667 session_removed_cb (Seat *seat, Session *session)
669 SessionBusEntry *entry;
670 gchar *seat_path = NULL;
672 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
674 entry = g_hash_table_lookup (session_bus_entries, session);
677 g_dbus_connection_unregister_object (bus, entry->bus_id);
678 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SessionRemoved", entry->path);
679 emit_object_signal (bus, entry->seat_path, "SessionRemoved", entry->path);
680 seat_path = g_strdup (entry->seat_path);
683 g_hash_table_remove (session_bus_entries, session);
687 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Sessions", get_session_list (NULL));
688 emit_object_value_changed (bus, seat_path, "org.freedesktop.DisplayManager.Seat", "Sessions", get_session_list (seat_path));
694 seat_added_cb (DisplayManager *display_manager, Seat *seat)
696 static const GDBusInterfaceVTable seat_vtable =
699 handle_seat_get_property
703 GError *error = NULL;
705 path = g_strdup_printf ("/org/freedesktop/DisplayManager/Seat%d", seat_index);
708 entry = seat_bus_entry_new (path);
710 g_hash_table_insert (seat_bus_entries, g_object_ref (seat), entry);
712 g_debug ("Registering seat with bus path %s", entry->path);
714 entry->bus_id = g_dbus_connection_register_object (bus,
716 seat_info->interfaces[0],
718 g_object_ref (seat), g_object_unref,
720 if (entry->bus_id == 0)
721 g_warning ("Failed to register seat: %s", error->message);
722 g_clear_error (&error);
724 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Seats", get_seat_list ());
725 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SeatAdded", entry->path);
727 g_signal_connect (seat, SEAT_SIGNAL_RUNNING_USER_SESSION, G_CALLBACK (running_user_session_cb), NULL);
728 g_signal_connect (seat, SEAT_SIGNAL_SESSION_REMOVED, G_CALLBACK (session_removed_cb), NULL);
732 seat_removed_cb (DisplayManager *display_manager, Seat *seat)
736 entry = g_hash_table_lookup (seat_bus_entries, seat);
739 g_dbus_connection_unregister_object (bus, entry->bus_id);
740 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SeatRemoved", entry->path);
743 g_hash_table_remove (seat_bus_entries, seat);
745 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Seats", get_seat_list ());
749 xdmcp_session_cb (XDMCPServer *server, XDMCPSession *session)
751 SeatXDMCPSession *seat;
754 seat = seat_xdmcp_session_new (session);
755 set_seat_properties (SEAT (seat), NULL);
756 result = display_manager_add_seat (display_manager, SEAT (seat));
757 g_object_unref (seat);
763 vnc_connection_cb (VNCServer *server, GSocket *connection)
767 seat = seat_xvnc_new (connection);
768 set_seat_properties (SEAT (seat), NULL);
769 display_manager_add_seat (display_manager, SEAT (seat));
770 g_object_unref (seat);
774 bus_acquired_cb (GDBusConnection *connection,
778 const gchar *display_manager_interface =
780 " <interface name='org.freedesktop.DisplayManager'>"
781 " <property name='Seats' type='ao' access='read'/>"
782 " <property name='Sessions' type='ao' access='read'/>"
783 " <method name='AddSeat'>"
784 " <arg name='type' direction='in' type='s'/>"
785 " <arg name='properties' direction='in' type='a(ss)'/>"
786 " <arg name='seat' direction='out' type='o'/>"
788 " <method name='AddLocalXSeat'>"
789 " <arg name='display-number' direction='in' type='i'/>"
790 " <arg name='seat' direction='out' type='o'/>"
792 " <signal name='SeatAdded'>"
793 " <arg name='seat' type='o'/>"
795 " <signal name='SeatRemoved'>"
796 " <arg name='seat' type='o'/>"
798 " <signal name='SessionAdded'>"
799 " <arg name='session' type='o'/>"
801 " <signal name='SessionRemoved'>"
802 " <arg name='session' type='o'/>"
806 static const GDBusInterfaceVTable display_manager_vtable =
808 handle_display_manager_call,
809 handle_display_manager_get_property
811 const gchar *seat_interface =
813 " <interface name='org.freedesktop.DisplayManager.Seat'>"
814 " <property name='CanSwitch' type='b' access='read'/>"
815 " <property name='HasGuestAccount' type='b' access='read'/>"
816 " <property name='Sessions' type='ao' access='read'/>"
817 " <method name='SwitchToGreeter'/>"
818 " <method name='SwitchToUser'>"
819 " <arg name='username' direction='in' type='s'/>"
820 " <arg name='session-name' direction='in' type='s'/>"
822 " <method name='SwitchToGuest'>"
823 " <arg name='session-name' direction='in' type='s'/>"
825 " <method name='Lock'/>"
826 " <signal name='SessionAdded'>"
827 " <arg name='session' type='o'/>"
829 " <signal name='SessionRemoved'>"
830 " <arg name='session' type='o'/>"
834 const gchar *session_interface =
836 " <interface name='org.freedesktop.DisplayManager.Session'>"
837 " <property name='Seat' type='o' access='read'/>"
838 " <property name='UserName' type='s' access='read'/>"
839 " <method name='Lock'/>"
842 GDBusNodeInfo *display_manager_info;
844 GError *error = NULL;
846 g_debug ("Acquired bus name %s", name);
850 display_manager_info = g_dbus_node_info_new_for_xml (display_manager_interface, NULL);
851 g_assert (display_manager_info != NULL);
852 seat_info = g_dbus_node_info_new_for_xml (seat_interface, NULL);
853 g_assert (seat_info != NULL);
854 session_info = g_dbus_node_info_new_for_xml (session_interface, NULL);
855 g_assert (session_info != NULL);
857 reg_id = g_dbus_connection_register_object (connection,
858 "/org/freedesktop/DisplayManager",
859 display_manager_info->interfaces[0],
860 &display_manager_vtable,
864 g_warning ("Failed to register display manager: %s", error->message);
865 g_clear_error (&error);
866 g_dbus_node_info_unref (display_manager_info);
868 seat_bus_entries = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, seat_bus_entry_free);
869 session_bus_entries = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, session_bus_entry_free);
871 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_ADDED, G_CALLBACK (seat_added_cb), NULL);
872 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_REMOVED, G_CALLBACK (seat_removed_cb), NULL);
873 for (link = display_manager_get_seats (display_manager); link; link = link->next)
874 seat_added_cb (display_manager, (Seat *) link->data);
876 display_manager_start (display_manager);
878 /* Start the XDMCP server */
879 if (config_get_boolean (config_get_instance (), "XDMCPServer", "enabled"))
881 gchar *key_name, *key = NULL;
883 xdmcp_server = xdmcp_server_new ();
884 if (config_has_key (config_get_instance (), "XDMCPServer", "port"))
887 port = config_get_integer (config_get_instance (), "XDMCPServer", "port");
889 xdmcp_server_set_port (xdmcp_server, port);
891 g_signal_connect (xdmcp_server, XDMCP_SERVER_SIGNAL_NEW_SESSION, G_CALLBACK (xdmcp_session_cb), NULL);
893 key_name = config_get_string (config_get_instance (), "XDMCPServer", "key");
899 GError *error = NULL;
901 path = g_build_filename (config_get_directory (config_get_instance ()), "keys.conf", NULL);
903 keys = g_key_file_new ();
904 result = g_key_file_load_from_file (keys, path, G_KEY_FILE_NONE, &error);
906 g_debug ("Error getting key %s", error->message);
907 g_clear_error (&error);
911 if (g_key_file_has_key (keys, "keyring", key_name, NULL))
912 key = g_key_file_get_string (keys, "keyring", key_name, NULL);
914 g_debug ("Key %s not defined", key_name);
917 g_key_file_free (keys);
920 xdmcp_server_set_key (xdmcp_server, key);
924 g_debug ("Starting XDMCP server on UDP/IP port %d", xdmcp_server_get_port (xdmcp_server));
925 xdmcp_server_start (xdmcp_server);
928 /* Start the VNC server */
929 if (config_get_boolean (config_get_instance (), "VNCServer", "enabled"))
933 path = g_find_program_in_path ("Xvnc");
936 vnc_server = vnc_server_new ();
937 if (config_has_key (config_get_instance (), "VNCServer", "port"))
940 port = config_get_integer (config_get_instance (), "VNCServer", "port");
942 vnc_server_set_port (vnc_server, port);
944 g_signal_connect (vnc_server, VNC_SERVER_SIGNAL_NEW_CONNECTION, G_CALLBACK (vnc_connection_cb), NULL);
946 g_debug ("Starting VNC server on TCP/IP port %d", vnc_server_get_port (vnc_server));
947 vnc_server_start (vnc_server);
952 g_warning ("Can't start VNC server, Xvnc is not in the path");
957 name_lost_cb (GDBusConnection *connection,
962 g_printerr ("Failed to use bus name " LIGHTDM_BUS_NAME ", do you have appropriate permissions?\n");
964 g_printerr ("Failed to get D-Bus connection\n");
970 add_login1_seat (Login1Seat *login1_seat)
972 const gchar *seat_name = login1_seat_get_id (login1_seat);
973 gchar **types = NULL, **type;
974 GList *config_sections = NULL, *link;
976 gboolean is_seat0, started = FALSE;
978 g_debug ("New seat added from logind: %s", seat_name);
979 is_seat0 = strcmp (seat_name, "seat0") == 0;
981 config_sections = get_config_sections (seat_name);
982 for (link = g_list_last (config_sections); link; link = link->prev)
984 gchar *config_section = link->data;
985 types = config_get_string_list (config_get_instance (), config_section, "type");
989 g_list_free_full (config_sections, g_free);
991 for (type = types; !seat && type && *type; type++)
992 seat = seat_new (*type, seat_name);
997 set_seat_properties (seat, seat_name);
999 if (!login1_seat_get_can_multi_session (login1_seat))
1001 g_debug ("Seat %s has property CanMultiSession=no", seat_name);
1002 /* XXX: uncomment this line after bug #1371250 is closed.
1003 seat_set_property (seat, "allow-user-switching", "false"); */
1007 seat_set_property (seat, "exit-on-failure", "true");
1010 g_debug ("Unable to create seat: %s", seat_name);
1014 started = display_manager_add_seat (display_manager, seat);
1016 g_debug ("Failed to start seat: %s", seat_name);
1019 g_object_unref (seat);
1025 remove_login1_seat (Login1Seat *login1_seat)
1029 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1035 seat_stopped_cb (Seat *seat, Login1Seat *login1_seat)
1037 update_login1_seat (login1_seat);
1038 g_signal_handlers_disconnect_matched (seat, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, login1_seat);
1042 update_login1_seat (Login1Seat *login1_seat)
1044 if (!config_get_boolean (config_get_instance (), "LightDM", "logind-check-graphical") ||
1045 login1_seat_get_can_graphical (login1_seat))
1049 /* Wait for existing seat to stop or ignore if we already have a valid seat */
1050 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1053 if (seat_get_is_stopping (seat))
1054 g_signal_connect (seat, SEAT_SIGNAL_STOPPED, G_CALLBACK (seat_stopped_cb), login1_seat);
1058 return add_login1_seat (login1_seat);
1062 remove_login1_seat (login1_seat);
1068 login1_can_graphical_changed_cb (Login1Seat *login1_seat)
1070 g_debug ("Seat %s changes graphical state to %s", login1_seat_get_id (login1_seat), login1_seat_get_can_graphical (login1_seat) ? "true" : "false");
1071 update_login1_seat (login1_seat);
1075 login1_active_session_changed_cb (Login1Seat *login1_seat, const gchar *login1_session_id)
1077 g_debug ("Seat %s changes active session to %s", login1_seat_get_id (login1_seat), login1_session_id);
1080 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1084 Session *active_session;
1085 active_session = seat_get_expected_active_session (seat);
1087 if (g_strcmp0 (login1_session_id, session_get_login1_session_id (active_session)) == 0)
1089 // Session is already active
1090 g_debug ("Session %s is already active", login1_session_id);
1094 active_session = seat_find_session_by_login1_id (seat, login1_session_id);
1095 if (active_session != NULL)
1097 g_debug ("Activating session %s", login1_session_id);
1098 seat_set_externally_activated_session (seat, active_session);
1106 login1_add_seat (Login1Seat *login1_seat)
1108 if (config_get_boolean (config_get_instance (), "LightDM", "logind-check-graphical"))
1109 g_signal_connect (login1_seat, "can-graphical-changed", G_CALLBACK (login1_can_graphical_changed_cb), NULL);
1111 g_signal_connect (login1_seat, LOGIN1_SIGNAL_ACTIVE_SESION_CHANGED, G_CALLBACK (login1_active_session_changed_cb), NULL);
1113 return update_login1_seat (login1_seat);
1117 login1_service_seat_added_cb (Login1Service *service, Login1Seat *login1_seat)
1119 if (login1_seat_get_can_graphical (login1_seat))
1120 g_debug ("Seat %s added from logind", login1_seat_get_id (login1_seat));
1122 g_debug ("Seat %s added from logind without graphical output", login1_seat_get_id (login1_seat));
1124 login1_add_seat (login1_seat);
1128 login1_service_seat_removed_cb (Login1Service *service, Login1Seat *login1_seat)
1130 g_debug ("Seat %s removed from logind", login1_seat_get_id (login1_seat));
1131 g_signal_handlers_disconnect_matched (login1_seat, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, login1_can_graphical_changed_cb, NULL);
1132 g_signal_handlers_disconnect_matched (login1_seat, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, login1_active_session_changed_cb, NULL);
1133 remove_login1_seat (login1_seat);
1137 main (int argc, char **argv)
1140 GOptionContext *option_context;
1143 gboolean test_mode = FALSE;
1144 gchar *pid_path = "/var/run/lightdm.pid";
1145 gchar *log_dir = NULL;
1146 gchar *run_dir = NULL;
1147 gchar *cache_dir = NULL;
1148 gchar *default_log_dir = g_strdup (LOG_DIR);
1149 gchar *default_run_dir = g_strdup (RUN_DIR);
1150 gchar *default_cache_dir = g_strdup (CACHE_DIR);
1151 gboolean show_config = FALSE, show_version = FALSE;
1152 GList *link, *messages = NULL;
1153 GOptionEntry options[] =
1155 { "config", 'c', 0, G_OPTION_ARG_STRING, &config_path,
1156 /* Help string for command line --config flag */
1157 N_("Use configuration file"), "FILE" },
1158 { "debug", 'd', 0, G_OPTION_ARG_NONE, &debug,
1159 /* Help string for command line --debug flag */
1160 N_("Print debugging messages"), NULL },
1161 { "test-mode", 0, 0, G_OPTION_ARG_NONE, &test_mode,
1162 /* Help string for command line --test-mode flag */
1163 N_("Run as unprivileged user, skipping things that require root access"), NULL },
1164 { "pid-file", 0, 0, G_OPTION_ARG_STRING, &pid_path,
1165 /* Help string for command line --pid-file flag */
1166 N_("File to write PID into"), "FILE" },
1167 { "log-dir", 0, 0, G_OPTION_ARG_STRING, &log_dir,
1168 /* Help string for command line --log-dir flag */
1169 N_("Directory to write logs to"), "DIRECTORY" },
1170 { "run-dir", 0, 0, G_OPTION_ARG_STRING, &run_dir,
1171 /* Help string for command line --run-dir flag */
1172 N_("Directory to store running state"), "DIRECTORY" },
1173 { "cache-dir", 0, 0, G_OPTION_ARG_STRING, &cache_dir,
1174 /* Help string for command line --cache-dir flag */
1175 N_("Directory to cache information"), "DIRECTORY" },
1176 { "show-config", 0, 0, G_OPTION_ARG_NONE, &show_config,
1177 /* Help string for command line --show-config flag */
1178 N_("Show combined configuration"), NULL },
1179 { "version", 'v', 0, G_OPTION_ARG_NONE, &show_version,
1180 /* Help string for command line --version flag */
1181 N_("Show release version"), NULL },
1184 GError *error = NULL;
1186 /* When lightdm starts sessions it needs to run itself in a new mode */
1187 if (argc >= 2 && strcmp (argv[1], "--session-child") == 0)
1188 return session_child_run (argc, argv);
1190 #if !defined(GLIB_VERSION_2_36)
1193 loop = g_main_loop_new (NULL, FALSE);
1195 messages = g_list_append (messages, g_strdup_printf ("Starting Light Display Manager %s, UID=%i PID=%i", VERSION, getuid (), getpid ()));
1197 g_signal_connect (process_get_current (), PROCESS_SIGNAL_GOT_SIGNAL, G_CALLBACK (signal_cb), NULL);
1199 option_context = g_option_context_new (/* Arguments and description for --help test */
1200 _("- Display Manager"));
1201 g_option_context_add_main_entries (option_context, options, GETTEXT_PACKAGE);
1202 result = g_option_context_parse (option_context, &argc, &argv, &error);
1204 g_printerr ("%s\n", error->message);
1205 g_clear_error (&error);
1206 g_option_context_free (option_context);
1209 g_printerr (/* Text printed out when an unknown command-line argument provided */
1210 _("Run '%s --help' to see a full list of available command line options."), argv[0]);
1212 return EXIT_FAILURE;
1215 /* Show combined configuration if user requested it */
1218 GList *sources, *link;
1219 gchar **groups, *last_source, *empty_source;
1220 GHashTable *source_ids;
1223 if (!config_load_from_standard_locations (config_get_instance (), config_path, NULL))
1224 return EXIT_FAILURE;
1226 /* Number sources */
1227 sources = config_get_sources (config_get_instance ());
1228 source_ids = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
1230 for (i = 0, link = sources; link; i++, link = link->next)
1236 id = g_strdup_printf ("%c", 'A' + i);
1238 id = g_strdup_printf ("%d", i);
1239 g_hash_table_insert (source_ids, g_strdup (path), id);
1242 empty_source = g_strdup (last_source);
1243 for (i = 0; empty_source[i] != '\0'; i++)
1244 empty_source[i] = ' ';
1246 /* Print out keys */
1247 groups = config_get_groups (config_get_instance ());
1248 for (i = 0; groups[i]; i++)
1255 g_printerr ("%s [%s]\n", empty_source, groups[i]);
1257 keys = config_get_keys (config_get_instance (), groups[i]);
1258 for (j = 0; keys && keys[j]; j++)
1260 const gchar *source, *id;
1263 source = config_get_source (config_get_instance (), groups[i], keys[j]);
1264 id = source ? g_hash_table_lookup (source_ids, source) : empty_source;
1265 value = config_get_string (config_get_instance (), groups[i], keys[j]);
1266 g_printerr ("%s %s=%s\n", id, keys[j], value);
1272 g_strfreev (groups);
1274 /* Show mapping from source number to path */
1276 g_printerr ("Sources:\n");
1277 for (link = sources; link; link = link->next)
1279 const gchar *path = link->data;
1280 const gchar *source;
1282 source = g_hash_table_lookup (source_ids, path);
1283 g_printerr ("%s %s\n", source, path);
1286 g_hash_table_destroy (source_ids);
1288 return EXIT_SUCCESS;
1293 /* NOTE: Is not translated so can be easily parsed */
1294 g_printerr ("lightdm %s\n", VERSION);
1295 return EXIT_SUCCESS;
1298 if (!test_mode && getuid () != 0)
1300 g_printerr ("Only root can run Light Display Manager. To run as a regular user for testing run with the --test-mode flag.\n");
1301 return EXIT_FAILURE;
1304 /* If running inside an X server use Xephyr for display */
1305 if (getenv ("DISPLAY") && getuid () != 0)
1307 gchar *x_server_path;
1309 x_server_path = g_find_program_in_path ("Xephyr");
1312 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");
1313 return EXIT_FAILURE;
1315 g_free (x_server_path);
1318 /* Make sure the system binary directory (where the greeters are installed) is in the path */
1321 const gchar *path = g_getenv ("PATH");
1325 new_path = g_strdup_printf ("%s:%s", path, SBIN_DIR);
1327 new_path = g_strdup (SBIN_DIR);
1328 g_setenv ("PATH", new_path, TRUE);
1332 /* Write PID file */
1333 pid_file = fopen (pid_path, "w");
1336 fprintf (pid_file, "%d\n", getpid ());
1340 /* If not running as root write output to directories we control */
1343 g_free (default_log_dir);
1344 default_log_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "log", NULL);
1345 g_free (default_run_dir);
1346 default_run_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "run", NULL);
1347 g_free (default_cache_dir);
1348 default_cache_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "cache", NULL);
1351 /* Load config file(s) */
1352 if (!config_load_from_standard_locations (config_get_instance (), config_path, &messages))
1353 exit (EXIT_FAILURE);
1354 g_free (config_path);
1356 /* Set default values */
1357 if (!config_has_key (config_get_instance (), "LightDM", "start-default-seat"))
1358 config_set_boolean (config_get_instance (), "LightDM", "start-default-seat", TRUE);
1359 if (!config_has_key (config_get_instance (), "LightDM", "minimum-vt"))
1360 config_set_integer (config_get_instance (), "LightDM", "minimum-vt", 7);
1361 if (!config_has_key (config_get_instance (), "LightDM", "guest-account-script"))
1362 config_set_string (config_get_instance (), "LightDM", "guest-account-script", "guest-account");
1363 if (!config_has_key (config_get_instance (), "LightDM", "greeter-user"))
1364 config_set_string (config_get_instance (), "LightDM", "greeter-user", GREETER_USER);
1365 if (!config_has_key (config_get_instance (), "LightDM", "lock-memory"))
1366 config_set_boolean (config_get_instance (), "LightDM", "lock-memory", TRUE);
1367 if (!config_has_key (config_get_instance (), "Seat:*", "type"))
1368 config_set_string (config_get_instance (), "Seat:*", "type", "xlocal");
1369 if (!config_has_key (config_get_instance (), "Seat:*", "pam-service"))
1370 config_set_string (config_get_instance (), "Seat:*", "pam-service", "lightdm");
1371 if (!config_has_key (config_get_instance (), "Seat:*", "pam-autologin-service"))
1372 config_set_string (config_get_instance (), "Seat:*", "pam-autologin-service", "lightdm-autologin");
1373 if (!config_has_key (config_get_instance (), "Seat:*", "pam-greeter-service"))
1374 config_set_string (config_get_instance (), "Seat:*", "pam-greeter-service", "lightdm-greeter");
1375 if (!config_has_key (config_get_instance (), "Seat:*", "xserver-command"))
1376 config_set_string (config_get_instance (), "Seat:*", "xserver-command", "X");
1377 if (!config_has_key (config_get_instance (), "Seat:*", "xserver-share"))
1378 config_set_boolean (config_get_instance (), "Seat:*", "xserver-share", TRUE);
1379 if (!config_has_key (config_get_instance (), "Seat:*", "unity-compositor-command"))
1380 config_set_string (config_get_instance (), "Seat:*", "unity-compositor-command", "unity-system-compositor");
1381 if (!config_has_key (config_get_instance (), "Seat:*", "start-session"))
1382 config_set_boolean (config_get_instance (), "Seat:*", "start-session", TRUE);
1383 if (!config_has_key (config_get_instance (), "Seat:*", "allow-user-switching"))
1384 config_set_boolean (config_get_instance (), "Seat:*", "allow-user-switching", TRUE);
1385 if (!config_has_key (config_get_instance (), "Seat:*", "allow-guest"))
1386 config_set_boolean (config_get_instance (), "Seat:*", "allow-guest", TRUE);
1387 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-allow-guest"))
1388 config_set_boolean (config_get_instance (), "Seat:*", "greeter-allow-guest", TRUE);
1389 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-show-remote-login"))
1390 config_set_boolean (config_get_instance (), "Seat:*", "greeter-show-remote-login", TRUE);
1391 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-session"))
1392 config_set_string (config_get_instance (), "Seat:*", "greeter-session", GREETER_SESSION);
1393 if (!config_has_key (config_get_instance (), "Seat:*", "user-session"))
1394 config_set_string (config_get_instance (), "Seat:*", "user-session", USER_SESSION);
1395 if (!config_has_key (config_get_instance (), "Seat:*", "session-wrapper"))
1396 config_set_string (config_get_instance (), "Seat:*", "session-wrapper", "lightdm-session");
1397 if (!config_has_key (config_get_instance (), "LightDM", "log-directory"))
1398 config_set_string (config_get_instance (), "LightDM", "log-directory", default_log_dir);
1399 g_free (default_log_dir);
1400 if (!config_has_key (config_get_instance (), "LightDM", "run-directory"))
1401 config_set_string (config_get_instance (), "LightDM", "run-directory", default_run_dir);
1402 g_free (default_run_dir);
1403 if (!config_has_key (config_get_instance (), "LightDM", "cache-directory"))
1404 config_set_string (config_get_instance (), "LightDM", "cache-directory", default_cache_dir);
1405 g_free (default_cache_dir);
1406 if (!config_has_key (config_get_instance (), "LightDM", "sessions-directory"))
1407 config_set_string (config_get_instance (), "LightDM", "sessions-directory", SESSIONS_DIR);
1408 if (!config_has_key (config_get_instance (), "LightDM", "remote-sessions-directory"))
1409 config_set_string (config_get_instance (), "LightDM", "remote-sessions-directory", REMOTE_SESSIONS_DIR);
1410 if (!config_has_key (config_get_instance (), "LightDM", "greeters-directory"))
1411 config_set_string (config_get_instance (), "LightDM", "greeters-directory", GREETERS_DIR);
1413 /* Override defaults */
1415 config_set_string (config_get_instance (), "LightDM", "log-directory", log_dir);
1418 config_set_string (config_get_instance (), "LightDM", "run-directory", run_dir);
1421 config_set_string (config_get_instance (), "LightDM", "cache-directory", cache_dir);
1424 /* Create run and cache directories */
1425 dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
1426 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1427 g_warning ("Failed to make log directory %s: %s", dir, strerror (errno));
1429 dir = config_get_string (config_get_instance (), "LightDM", "run-directory");
1430 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1431 g_warning ("Failed to make run directory %s: %s", dir, strerror (errno));
1433 dir = config_get_string (config_get_instance (), "LightDM", "cache-directory");
1434 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1435 g_warning ("Failed to make cache directory %s: %s", dir, strerror (errno));
1440 /* Show queued messages once logging is complete */
1441 for (link = messages; link; link = link->next)
1442 g_debug ("%s", (gchar *)link->data);
1443 g_list_free_full (messages, g_free);
1445 g_debug ("Using D-Bus name %s", LIGHTDM_BUS_NAME);
1446 bus_id = g_bus_own_name (getuid () == 0 ? G_BUS_TYPE_SYSTEM : G_BUS_TYPE_SESSION,
1448 G_BUS_NAME_OWNER_FLAGS_NONE,
1456 g_debug ("Running in user mode");
1457 if (getenv ("DISPLAY"))
1458 g_debug ("Using Xephyr for X servers");
1460 display_manager = display_manager_new ();
1461 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_STOPPED, G_CALLBACK (display_manager_stopped_cb), NULL);
1462 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_REMOVED, G_CALLBACK (display_manager_seat_removed_cb), NULL);
1464 shared_data_manager_start (shared_data_manager_get_instance ());
1466 /* Connect to logind */
1467 if (login1_service_connect (login1_service_get_instance ()))
1469 /* Load dynamic seats from logind */
1470 g_debug ("Monitoring logind for seats");
1472 if (config_get_boolean (config_get_instance (), "LightDM", "start-default-seat"))
1474 g_signal_connect (login1_service_get_instance (), LOGIN1_SERVICE_SIGNAL_SEAT_ADDED, G_CALLBACK (login1_service_seat_added_cb), NULL);
1475 g_signal_connect (login1_service_get_instance (), LOGIN1_SERVICE_SIGNAL_SEAT_REMOVED, G_CALLBACK (login1_service_seat_removed_cb), NULL);
1477 for (link = login1_service_get_seats (login1_service_get_instance ()); link; link = link->next)
1479 Login1Seat *login1_seat = link->data;
1480 if (!login1_add_seat (login1_seat))
1481 return EXIT_FAILURE;
1487 if (config_get_boolean (config_get_instance (), "LightDM", "start-default-seat"))
1493 g_debug ("Adding default seat");
1495 types = config_get_string_list (config_get_instance (), "Seat:*", "type");
1496 for (type = types; type && *type; type++)
1498 seat = seat_new (*type, "seat0");
1505 set_seat_properties (seat, NULL);
1506 seat_set_property (seat, "exit-on-failure", "true");
1507 if (!display_manager_add_seat (display_manager, seat))
1508 return EXIT_FAILURE;
1509 g_object_unref (seat);
1513 g_warning ("Failed to create default seat");
1514 return EXIT_FAILURE;
1519 g_main_loop_run (loop);
1521 /* Clean up shared data manager */
1522 shared_data_manager_cleanup ();
1524 /* Clean up user list */
1525 common_user_list_cleanup ();
1527 /* Clean up display manager */
1528 g_object_unref (display_manager);
1529 display_manager = NULL;
1531 /* Remove D-Bus interface */
1532 g_dbus_connection_unregister_object (bus, reg_id);
1533 g_bus_unown_name (bus_id);
1534 if (seat_bus_entries)
1535 g_hash_table_unref (seat_bus_entries);
1536 if (session_bus_entries)
1537 g_hash_table_unref (session_bus_entries);
1539 g_debug ("Exiting with return value %d", exit_code);