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"
38 static gchar *config_path = NULL;
39 static GMainLoop *loop = NULL;
40 static GTimer *log_timer;
41 static int log_fd = -1;
42 static gboolean debug = FALSE;
44 static DisplayManager *display_manager = NULL;
45 static XDMCPServer *xdmcp_server = NULL;
46 static VNCServer *vnc_server = NULL;
47 static guint bus_id = 0;
48 static GDBusConnection *bus = NULL;
49 static guint reg_id = 0;
50 static GDBusNodeInfo *seat_info;
51 static GHashTable *seat_bus_entries = NULL;
52 static guint seat_index = 0;
53 static GDBusNodeInfo *session_info;
54 static GHashTable *session_bus_entries = NULL;
55 static guint session_index = 0;
56 static gint exit_code = EXIT_SUCCESS;
70 #define LIGHTDM_BUS_NAME "org.freedesktop.DisplayManager"
72 static gboolean update_login1_seat (Login1Seat *login1_seat);
75 log_cb (const gchar *log_domain, GLogLevelFlags log_level, const gchar *message, gpointer data)
80 switch (log_level & G_LOG_LEVEL_MASK)
82 case G_LOG_LEVEL_ERROR:
85 case G_LOG_LEVEL_CRITICAL:
88 case G_LOG_LEVEL_WARNING:
91 case G_LOG_LEVEL_MESSAGE:
94 case G_LOG_LEVEL_INFO:
97 case G_LOG_LEVEL_DEBUG:
105 text = g_strdup_printf ("[%+.2fs] %s %s\n", g_timer_elapsed (log_timer, NULL), prefix, message);
107 /* Log everything to a file */
111 n_written = write (log_fd, text, strlen (text));
113 ; /* Check result so compiler doesn't warn about it */
116 /* Log to stderr if requested */
118 g_printerr ("%s", text);
120 g_log_default_handler (log_domain, log_level, message, data);
128 gchar *log_dir, *path;
130 log_timer = g_timer_new ();
133 log_dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
134 path = g_build_filename (log_dir, "lightdm.log", NULL);
137 log_fd = log_file_open (path, LOG_MODE_APPEND);
138 fcntl (log_fd, F_SETFD, FD_CLOEXEC);
139 g_log_set_default_handler (log_cb, NULL);
141 g_debug ("Logging to %s", path);
146 get_config_sections (const gchar *seat_name)
149 GList *config_sections = NULL;
151 /* Load seat defaults first */
152 config_sections = g_list_append (config_sections, g_strdup ("Seat:*"));
154 groups = config_get_groups (config_get_instance ());
155 for (i = groups; *i; i++)
157 if (g_str_has_prefix (*i, "Seat:") && strcmp (*i, "Seat:*") != 0)
159 const gchar *seat_name_glob = *i + strlen ("Seat:");
160 if (g_pattern_match_simple (seat_name_glob, seat_name ? seat_name : ""))
161 config_sections = g_list_append (config_sections, g_strdup (*i));
166 return config_sections;
170 set_seat_properties (Seat *seat, const gchar *seat_name)
172 GList *sections, *link;
176 sections = get_config_sections (seat_name);
177 for (link = sections; link; link = link->next)
179 const gchar *section = link->data;
180 keys = config_get_keys (config_get_instance (), section);
182 l_debug (seat, "Loading properties from config section %s", section);
183 for (i = 0; keys && keys[i]; i++)
185 gchar *value = config_get_string (config_get_instance (), section, keys[i]);
186 seat_set_property (seat, keys[i], value);
191 g_list_free_full (sections, g_free);
195 signal_cb (Process *process, int signum)
197 g_debug ("Caught %s signal, shutting down", g_strsignal (signum));
198 display_manager_stop (display_manager);
199 // FIXME: Stop XDMCP server
203 display_manager_stopped_cb (DisplayManager *display_manager)
205 g_debug ("Stopping daemon");
206 g_main_loop_quit (loop);
210 display_manager_seat_removed_cb (DisplayManager *display_manager, Seat *seat)
214 Seat *next_seat = NULL;
217 /* If we have fallback types registered for the seat, let's try them
219 types = seat_get_string_list_property (seat, "type");
220 next_types = g_string_new ("");
221 for (iter = types; iter && *iter; iter++)
224 continue; // skip first one, that is our current seat type
228 next_seat = seat_new (*iter, seat_get_name (seat));
229 g_string_assign (next_types, *iter);
233 // Build up list of types to try next time
234 g_string_append_c (next_types, ';');
235 g_string_append (next_types, *iter);
242 set_seat_properties (next_seat, seat_get_name (seat));
244 // We set this manually on default seat. Let's port it over if needed.
245 if (seat_get_boolean_property (seat, "exit-on-failure"))
246 seat_set_property (next_seat, "exit-on-failure", "true");
248 seat_set_property (next_seat, "type", next_types->str);
250 display_manager_add_seat (display_manager, next_seat);
251 g_object_unref (next_seat);
253 else if (seat_get_boolean_property (seat, "exit-on-failure"))
255 g_debug ("Required seat has stopped");
256 exit_code = EXIT_FAILURE;
257 display_manager_stop (display_manager);
260 g_string_free (next_types, TRUE);
266 GVariantBuilder builder;
270 g_variant_builder_init (&builder, G_VARIANT_TYPE ("ao"));
271 g_hash_table_iter_init (&iter, seat_bus_entries);
272 while (g_hash_table_iter_next (&iter, NULL, &value))
274 SeatBusEntry *entry = value;
275 g_variant_builder_add_value (&builder, g_variant_new_object_path (entry->path));
278 return g_variant_builder_end (&builder);
282 get_session_list (const gchar *seat_path)
284 GVariantBuilder builder;
288 g_variant_builder_init (&builder, G_VARIANT_TYPE ("ao"));
290 g_hash_table_iter_init (&iter, session_bus_entries);
291 while (g_hash_table_iter_next (&iter, NULL, &value))
293 SessionBusEntry *entry = value;
294 if (seat_path == NULL || strcmp (entry->seat_path, seat_path) == 0)
295 g_variant_builder_add_value (&builder, g_variant_new_object_path (entry->path));
298 return g_variant_builder_end (&builder);
302 handle_display_manager_get_property (GDBusConnection *connection,
304 const gchar *object_path,
305 const gchar *interface_name,
306 const gchar *property_name,
310 if (g_strcmp0 (property_name, "Seats") == 0)
311 return get_seat_list ();
312 else if (g_strcmp0 (property_name, "Sessions") == 0)
313 return get_session_list (NULL);
319 handle_display_manager_call (GDBusConnection *connection,
321 const gchar *object_path,
322 const gchar *interface_name,
323 const gchar *method_name,
324 GVariant *parameters,
325 GDBusMethodInvocation *invocation,
328 if (g_strcmp0 (method_name, "AddSeat") == 0)
329 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "AddSeat is deprecated");
330 else if (g_strcmp0 (method_name, "AddLocalXSeat") == 0)
335 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(i)")))
337 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
341 g_variant_get (parameters, "(i)", &display_number);
343 g_debug ("Adding local X seat :%d", display_number);
345 seat = seat_new ("xremote", "xremote0"); // FIXME: What to use for a name?
348 gchar *display_number_string;
350 set_seat_properties (seat, NULL);
351 display_number_string = g_strdup_printf ("%d", display_number);
352 seat_set_property (seat, "xserver-display-number", display_number_string);
353 g_free (display_number_string);
358 // FIXME: Need to make proper error
359 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Unable to create local X seat");
363 if (display_manager_add_seat (display_manager, seat))
367 entry = g_hash_table_lookup (seat_bus_entries, seat);
368 g_dbus_method_invocation_return_value (invocation, g_variant_new ("(o)", entry->path));
370 else// FIXME: Need to make proper error
371 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to start seat");
372 g_object_unref (seat);
375 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
379 handle_seat_get_property (GDBusConnection *connection,
381 const gchar *object_path,
382 const gchar *interface_name,
383 const gchar *property_name,
387 Seat *seat = user_data;
389 if (g_strcmp0 (property_name, "CanSwitch") == 0)
390 return g_variant_new_boolean (seat_get_can_switch (seat));
391 if (g_strcmp0 (property_name, "HasGuestAccount") == 0)
392 return g_variant_new_boolean (seat_get_allow_guest (seat));
393 else if (g_strcmp0 (property_name, "Sessions") == 0)
397 entry = g_hash_table_lookup (seat_bus_entries, seat);
398 return get_session_list (entry->path);
405 handle_seat_call (GDBusConnection *connection,
407 const gchar *object_path,
408 const gchar *interface_name,
409 const gchar *method_name,
410 GVariant *parameters,
411 GDBusMethodInvocation *invocation,
414 Seat *seat = user_data;
416 if (g_strcmp0 (method_name, "SwitchToGreeter") == 0)
418 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
419 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
421 if (seat_switch_to_greeter (seat))
422 g_dbus_method_invocation_return_value (invocation, NULL);
423 else// FIXME: Need to make proper error
424 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to greeter");
426 else if (g_strcmp0 (method_name, "SwitchToUser") == 0)
428 const gchar *username, *session_name;
430 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(ss)")))
431 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
433 g_variant_get (parameters, "(&s&s)", &username, &session_name);
434 if (strcmp (session_name, "") == 0)
437 if (seat_switch_to_user (seat, username, session_name))
438 g_dbus_method_invocation_return_value (invocation, NULL);
439 else// FIXME: Need to make proper error
440 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to user");
442 else if (g_strcmp0 (method_name, "SwitchToGuest") == 0)
444 const gchar *session_name;
446 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(s)")))
447 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
449 g_variant_get (parameters, "(&s)", &session_name);
450 if (strcmp (session_name, "") == 0)
453 if (seat_switch_to_guest (seat, session_name))
454 g_dbus_method_invocation_return_value (invocation, NULL);
455 else// FIXME: Need to make proper error
456 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to guest");
458 else if (g_strcmp0 (method_name, "Lock") == 0)
460 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
461 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
463 /* FIXME: Should only allow locks if have a session on this seat */
464 if (seat_lock (seat, NULL))
465 g_dbus_method_invocation_return_value (invocation, NULL);
466 else// FIXME: Need to make proper error
467 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to lock seat");
470 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
474 get_seat_for_session (Session *session)
478 for (seat_link = display_manager_get_seats (display_manager); seat_link; seat_link = seat_link->next)
480 Seat *seat = seat_link->data;
483 for (session_link = seat_get_sessions (seat); session_link; session_link = session_link->next)
485 Session *s = session_link->data;
496 handle_session_get_property (GDBusConnection *connection,
498 const gchar *object_path,
499 const gchar *interface_name,
500 const gchar *property_name,
504 Session *session = user_data;
505 SessionBusEntry *entry;
507 entry = g_hash_table_lookup (session_bus_entries, session);
508 if (g_strcmp0 (property_name, "Seat") == 0)
509 return g_variant_new_object_path (entry ? entry->seat_path : "");
510 else if (g_strcmp0 (property_name, "UserName") == 0)
511 return g_variant_new_string (session_get_username (session));
517 handle_session_call (GDBusConnection *connection,
519 const gchar *object_path,
520 const gchar *interface_name,
521 const gchar *method_name,
522 GVariant *parameters,
523 GDBusMethodInvocation *invocation,
526 Session *session = user_data;
528 if (g_strcmp0 (method_name, "Lock") == 0)
532 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
533 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
535 seat = get_seat_for_session (session);
536 /* FIXME: Should only allow locks if have a session on this seat */
537 seat_lock (seat, session_get_username (session));
538 g_dbus_method_invocation_return_value (invocation, NULL);
541 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
544 static SeatBusEntry *
545 seat_bus_entry_new (const gchar *path)
549 entry = g_malloc0 (sizeof (SeatBusEntry));
550 entry->path = g_strdup (path);
555 static SessionBusEntry *
556 session_bus_entry_new (const gchar *path, const gchar *seat_path)
558 SessionBusEntry *entry;
560 entry = g_malloc0 (sizeof (SessionBusEntry));
561 entry->path = g_strdup (path);
562 entry->seat_path = g_strdup (seat_path);
568 emit_object_value_changed (GDBusConnection *bus, const gchar *path, const gchar *interface_name, const gchar *property_name, GVariant *property_value)
570 GVariantBuilder builder;
571 GError *error = NULL;
573 g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
574 g_variant_builder_add (&builder, "{sv}", property_name, property_value);
576 if (!g_dbus_connection_emit_signal (bus,
579 "org.freedesktop.DBus.Properties",
581 g_variant_new ("(sa{sv}as)", interface_name, &builder, NULL),
583 g_warning ("Failed to emit PropertiesChanged signal: %s", error->message);
584 g_clear_error (&error);
588 emit_object_signal (GDBusConnection *bus, const gchar *path, const gchar *signal_name, const gchar *object_path)
590 GError *error = NULL;
592 if (!g_dbus_connection_emit_signal (bus,
595 "org.freedesktop.DisplayManager",
597 g_variant_new ("(o)", object_path),
599 g_warning ("Failed to emit %s signal on %s: %s", signal_name, path, error->message);
600 g_clear_error (&error);
604 seat_bus_entry_free (gpointer data)
606 SeatBusEntry *entry = data;
608 g_free (entry->path);
613 session_bus_entry_free (gpointer data)
615 SessionBusEntry *entry = data;
617 g_free (entry->path);
618 g_free (entry->seat_path);
623 running_user_session_cb (Seat *seat, Session *session)
625 static const GDBusInterfaceVTable session_vtable =
628 handle_session_get_property
630 SeatBusEntry *seat_entry;
631 SessionBusEntry *session_entry;
633 GError *error = NULL;
635 /* Set environment variables when session runs */
636 seat_entry = g_hash_table_lookup (seat_bus_entries, seat);
637 session_set_env (session, "XDG_SEAT_PATH", seat_entry->path);
638 path = g_strdup_printf ("/org/freedesktop/DisplayManager/Session%d", session_index);
640 session_set_env (session, "XDG_SESSION_PATH", path);
641 g_object_set_data_full (G_OBJECT (session), "XDG_SESSION_PATH", path, g_free);
643 session_entry = session_bus_entry_new (g_object_get_data (G_OBJECT (session), "XDG_SESSION_PATH"), seat_entry ? seat_entry->path : NULL);
644 g_hash_table_insert (session_bus_entries, g_object_ref (session), session_entry);
646 g_debug ("Registering session with bus path %s", session_entry->path);
648 session_entry->bus_id = g_dbus_connection_register_object (bus,
650 session_info->interfaces[0],
652 g_object_ref (session), g_object_unref,
654 if (session_entry->bus_id == 0)
655 g_warning ("Failed to register user session: %s", error->message);
656 g_clear_error (&error);
658 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Sessions", get_session_list (NULL));
659 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SessionAdded", session_entry->path);
661 emit_object_value_changed (bus, seat_entry->path, "org.freedesktop.DisplayManager.Seat", "Sessions", get_session_list (session_entry->seat_path));
662 emit_object_signal (bus, seat_entry->path, "SessionAdded", session_entry->path);
666 session_removed_cb (Seat *seat, Session *session)
668 SessionBusEntry *entry;
669 gchar *seat_path = NULL;
671 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
673 entry = g_hash_table_lookup (session_bus_entries, session);
676 g_dbus_connection_unregister_object (bus, entry->bus_id);
677 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SessionRemoved", entry->path);
678 emit_object_signal (bus, entry->seat_path, "SessionRemoved", entry->path);
679 seat_path = g_strdup (entry->seat_path);
682 g_hash_table_remove (session_bus_entries, session);
686 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Sessions", get_session_list (NULL));
687 emit_object_value_changed (bus, seat_path, "org.freedesktop.DisplayManager.Seat", "Sessions", get_session_list (seat_path));
693 seat_added_cb (DisplayManager *display_manager, Seat *seat)
695 static const GDBusInterfaceVTable seat_vtable =
698 handle_seat_get_property
702 GError *error = NULL;
704 path = g_strdup_printf ("/org/freedesktop/DisplayManager/Seat%d", seat_index);
707 entry = seat_bus_entry_new (path);
709 g_hash_table_insert (seat_bus_entries, g_object_ref (seat), entry);
711 g_debug ("Registering seat with bus path %s", entry->path);
713 entry->bus_id = g_dbus_connection_register_object (bus,
715 seat_info->interfaces[0],
717 g_object_ref (seat), g_object_unref,
719 if (entry->bus_id == 0)
720 g_warning ("Failed to register seat: %s", error->message);
721 g_clear_error (&error);
723 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Seats", get_seat_list ());
724 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SeatAdded", entry->path);
726 g_signal_connect (seat, SEAT_SIGNAL_RUNNING_USER_SESSION, G_CALLBACK (running_user_session_cb), NULL);
727 g_signal_connect (seat, SEAT_SIGNAL_SESSION_REMOVED, G_CALLBACK (session_removed_cb), NULL);
731 seat_removed_cb (DisplayManager *display_manager, Seat *seat)
735 entry = g_hash_table_lookup (seat_bus_entries, seat);
738 g_dbus_connection_unregister_object (bus, entry->bus_id);
739 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SeatRemoved", entry->path);
742 g_hash_table_remove (seat_bus_entries, seat);
744 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Seats", get_seat_list ());
748 xdmcp_session_cb (XDMCPServer *server, XDMCPSession *session)
750 SeatXDMCPSession *seat;
753 seat = seat_xdmcp_session_new (session);
754 set_seat_properties (SEAT (seat), NULL);
755 result = display_manager_add_seat (display_manager, SEAT (seat));
756 g_object_unref (seat);
762 vnc_connection_cb (VNCServer *server, GSocket *connection)
766 seat = seat_xvnc_new (connection);
767 set_seat_properties (SEAT (seat), NULL);
768 display_manager_add_seat (display_manager, SEAT (seat));
769 g_object_unref (seat);
773 bus_acquired_cb (GDBusConnection *connection,
777 const gchar *display_manager_interface =
779 " <interface name='org.freedesktop.DisplayManager'>"
780 " <property name='Seats' type='ao' access='read'/>"
781 " <property name='Sessions' type='ao' access='read'/>"
782 " <method name='AddSeat'>"
783 " <arg name='type' direction='in' type='s'/>"
784 " <arg name='properties' direction='in' type='a(ss)'/>"
785 " <arg name='seat' direction='out' type='o'/>"
787 " <method name='AddLocalXSeat'>"
788 " <arg name='display-number' direction='in' type='i'/>"
789 " <arg name='seat' direction='out' type='o'/>"
791 " <signal name='SeatAdded'>"
792 " <arg name='seat' type='o'/>"
794 " <signal name='SeatRemoved'>"
795 " <arg name='seat' type='o'/>"
797 " <signal name='SessionAdded'>"
798 " <arg name='session' type='o'/>"
800 " <signal name='SessionRemoved'>"
801 " <arg name='session' type='o'/>"
805 static const GDBusInterfaceVTable display_manager_vtable =
807 handle_display_manager_call,
808 handle_display_manager_get_property
810 const gchar *seat_interface =
812 " <interface name='org.freedesktop.DisplayManager.Seat'>"
813 " <property name='CanSwitch' type='b' access='read'/>"
814 " <property name='HasGuestAccount' type='b' access='read'/>"
815 " <property name='Sessions' type='ao' access='read'/>"
816 " <method name='SwitchToGreeter'/>"
817 " <method name='SwitchToUser'>"
818 " <arg name='username' direction='in' type='s'/>"
819 " <arg name='session-name' direction='in' type='s'/>"
821 " <method name='SwitchToGuest'>"
822 " <arg name='session-name' direction='in' type='s'/>"
824 " <method name='Lock'/>"
825 " <signal name='SessionAdded'>"
826 " <arg name='session' type='o'/>"
828 " <signal name='SessionRemoved'>"
829 " <arg name='session' type='o'/>"
833 const gchar *session_interface =
835 " <interface name='org.freedesktop.DisplayManager.Session'>"
836 " <property name='Seat' type='o' access='read'/>"
837 " <property name='UserName' type='s' access='read'/>"
838 " <method name='Lock'/>"
841 GDBusNodeInfo *display_manager_info;
843 GError *error = NULL;
845 g_debug ("Acquired bus name %s", name);
849 display_manager_info = g_dbus_node_info_new_for_xml (display_manager_interface, NULL);
850 g_assert (display_manager_info != NULL);
851 seat_info = g_dbus_node_info_new_for_xml (seat_interface, NULL);
852 g_assert (seat_info != NULL);
853 session_info = g_dbus_node_info_new_for_xml (session_interface, NULL);
854 g_assert (session_info != NULL);
856 reg_id = g_dbus_connection_register_object (connection,
857 "/org/freedesktop/DisplayManager",
858 display_manager_info->interfaces[0],
859 &display_manager_vtable,
863 g_warning ("Failed to register display manager: %s", error->message);
864 g_clear_error (&error);
865 g_dbus_node_info_unref (display_manager_info);
867 seat_bus_entries = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, seat_bus_entry_free);
868 session_bus_entries = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, session_bus_entry_free);
870 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_ADDED, G_CALLBACK (seat_added_cb), NULL);
871 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_REMOVED, G_CALLBACK (seat_removed_cb), NULL);
872 for (link = display_manager_get_seats (display_manager); link; link = link->next)
873 seat_added_cb (display_manager, (Seat *) link->data);
875 display_manager_start (display_manager);
877 /* Start the XDMCP server */
878 if (config_get_boolean (config_get_instance (), "XDMCPServer", "enabled"))
880 gchar *key_name, *key = NULL, *listen_address;
882 xdmcp_server = xdmcp_server_new ();
883 if (config_has_key (config_get_instance (), "XDMCPServer", "port"))
886 port = config_get_integer (config_get_instance (), "XDMCPServer", "port");
888 xdmcp_server_set_port (xdmcp_server, port);
890 listen_address = config_get_string (config_get_instance (), "XDMCPServer", "listen-address");
891 xdmcp_server_set_listen_address (xdmcp_server, listen_address);
892 g_free (listen_address);
893 g_signal_connect (xdmcp_server, XDMCP_SERVER_SIGNAL_NEW_SESSION, G_CALLBACK (xdmcp_session_cb), NULL);
895 key_name = config_get_string (config_get_instance (), "XDMCPServer", "key");
901 GError *error = NULL;
903 path = g_build_filename (config_get_directory (config_get_instance ()), "keys.conf", NULL);
905 keys = g_key_file_new ();
906 result = g_key_file_load_from_file (keys, path, G_KEY_FILE_NONE, &error);
908 g_debug ("Error getting key %s", error->message);
909 g_clear_error (&error);
913 if (g_key_file_has_key (keys, "keyring", key_name, NULL))
914 key = g_key_file_get_string (keys, "keyring", key_name, NULL);
916 g_debug ("Key %s not defined", key_name);
919 g_key_file_free (keys);
922 xdmcp_server_set_key (xdmcp_server, key);
926 g_debug ("Starting XDMCP server on UDP/IP port %d", xdmcp_server_get_port (xdmcp_server));
927 xdmcp_server_start (xdmcp_server);
930 /* Start the VNC server */
931 if (config_get_boolean (config_get_instance (), "VNCServer", "enabled"))
935 path = g_find_program_in_path ("Xvnc");
938 gchar *listen_address;
940 vnc_server = vnc_server_new ();
941 if (config_has_key (config_get_instance (), "VNCServer", "port"))
944 port = config_get_integer (config_get_instance (), "VNCServer", "port");
946 vnc_server_set_port (vnc_server, port);
948 listen_address = config_get_string (config_get_instance (), "VNCServer", "listen-address");
949 vnc_server_set_listen_address (vnc_server, listen_address);
950 g_free (listen_address);
951 g_signal_connect (vnc_server, VNC_SERVER_SIGNAL_NEW_CONNECTION, G_CALLBACK (vnc_connection_cb), NULL);
953 g_debug ("Starting VNC server on TCP/IP port %d", vnc_server_get_port (vnc_server));
954 vnc_server_start (vnc_server);
959 g_warning ("Can't start VNC server, Xvnc is not in the path");
964 name_lost_cb (GDBusConnection *connection,
969 g_printerr ("Failed to use bus name " LIGHTDM_BUS_NAME ", do you have appropriate permissions?\n");
971 g_printerr ("Failed to get D-Bus connection\n");
977 add_login1_seat (Login1Seat *login1_seat)
979 const gchar *seat_name = login1_seat_get_id (login1_seat);
980 gchar **types = NULL, **type;
981 GList *config_sections = NULL, *link;
983 gboolean is_seat0, started = FALSE;
985 g_debug ("New seat added from logind: %s", seat_name);
986 is_seat0 = strcmp (seat_name, "seat0") == 0;
988 config_sections = get_config_sections (seat_name);
989 for (link = g_list_last (config_sections); link; link = link->prev)
991 gchar *config_section = link->data;
992 types = config_get_string_list (config_get_instance (), config_section, "type");
996 g_list_free_full (config_sections, g_free);
998 for (type = types; !seat && type && *type; type++)
999 seat = seat_new (*type, seat_name);
1004 set_seat_properties (seat, seat_name);
1006 if (!login1_seat_get_can_multi_session (login1_seat))
1008 g_debug ("Seat %s has property CanMultiSession=no", seat_name);
1009 /* XXX: uncomment this line after bug #1371250 is closed.
1010 seat_set_property (seat, "allow-user-switching", "false"); */
1014 seat_set_property (seat, "exit-on-failure", "true");
1017 g_debug ("Unable to create seat: %s", seat_name);
1021 started = display_manager_add_seat (display_manager, seat);
1023 g_debug ("Failed to start seat: %s", seat_name);
1026 g_object_unref (seat);
1032 remove_login1_seat (Login1Seat *login1_seat)
1036 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1042 seat_stopped_cb (Seat *seat, Login1Seat *login1_seat)
1044 update_login1_seat (login1_seat);
1045 g_signal_handlers_disconnect_matched (seat, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, login1_seat);
1049 update_login1_seat (Login1Seat *login1_seat)
1051 if (!config_get_boolean (config_get_instance (), "LightDM", "logind-check-graphical") ||
1052 login1_seat_get_can_graphical (login1_seat))
1056 /* Wait for existing seat to stop or ignore if we already have a valid seat */
1057 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1060 if (seat_get_is_stopping (seat))
1061 g_signal_connect (seat, SEAT_SIGNAL_STOPPED, G_CALLBACK (seat_stopped_cb), login1_seat);
1065 return add_login1_seat (login1_seat);
1069 remove_login1_seat (login1_seat);
1075 login1_can_graphical_changed_cb (Login1Seat *login1_seat)
1077 g_debug ("Seat %s changes graphical state to %s", login1_seat_get_id (login1_seat), login1_seat_get_can_graphical (login1_seat) ? "true" : "false");
1078 update_login1_seat (login1_seat);
1082 login1_active_session_changed_cb (Login1Seat *login1_seat, const gchar *login1_session_id)
1084 g_debug ("Seat %s changes active session to %s", login1_seat_get_id (login1_seat), login1_session_id);
1087 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1091 Session *active_session;
1092 active_session = seat_get_expected_active_session (seat);
1094 if (g_strcmp0 (login1_session_id, session_get_login1_session_id (active_session)) == 0)
1096 // Session is already active
1097 g_debug ("Session %s is already active", login1_session_id);
1101 active_session = seat_find_session_by_login1_id (seat, login1_session_id);
1102 if (active_session != NULL)
1104 g_debug ("Activating session %s", login1_session_id);
1105 seat_set_externally_activated_session (seat, active_session);
1113 login1_add_seat (Login1Seat *login1_seat)
1115 if (config_get_boolean (config_get_instance (), "LightDM", "logind-check-graphical"))
1116 g_signal_connect (login1_seat, "can-graphical-changed", G_CALLBACK (login1_can_graphical_changed_cb), NULL);
1118 g_signal_connect (login1_seat, LOGIN1_SIGNAL_ACTIVE_SESION_CHANGED, G_CALLBACK (login1_active_session_changed_cb), NULL);
1120 return update_login1_seat (login1_seat);
1124 login1_service_seat_added_cb (Login1Service *service, Login1Seat *login1_seat)
1126 if (login1_seat_get_can_graphical (login1_seat))
1127 g_debug ("Seat %s added from logind", login1_seat_get_id (login1_seat));
1129 g_debug ("Seat %s added from logind without graphical output", login1_seat_get_id (login1_seat));
1131 login1_add_seat (login1_seat);
1135 login1_service_seat_removed_cb (Login1Service *service, Login1Seat *login1_seat)
1137 g_debug ("Seat %s removed from logind", login1_seat_get_id (login1_seat));
1138 g_signal_handlers_disconnect_matched (login1_seat, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, login1_can_graphical_changed_cb, NULL);
1139 g_signal_handlers_disconnect_matched (login1_seat, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, login1_active_session_changed_cb, NULL);
1140 remove_login1_seat (login1_seat);
1144 main (int argc, char **argv)
1147 GOptionContext *option_context;
1150 gboolean test_mode = FALSE;
1151 gchar *pid_path = "/var/run/lightdm.pid";
1152 gchar *log_dir = NULL;
1153 gchar *run_dir = NULL;
1154 gchar *cache_dir = NULL;
1155 gchar *default_log_dir = g_strdup (LOG_DIR);
1156 gchar *default_run_dir = g_strdup (RUN_DIR);
1157 gchar *default_cache_dir = g_strdup (CACHE_DIR);
1158 gboolean show_config = FALSE, show_version = FALSE;
1159 GList *link, *messages = NULL;
1160 GOptionEntry options[] =
1162 { "config", 'c', 0, G_OPTION_ARG_STRING, &config_path,
1163 /* Help string for command line --config flag */
1164 N_("Use configuration file"), "FILE" },
1165 { "debug", 'd', 0, G_OPTION_ARG_NONE, &debug,
1166 /* Help string for command line --debug flag */
1167 N_("Print debugging messages"), NULL },
1168 { "test-mode", 0, 0, G_OPTION_ARG_NONE, &test_mode,
1169 /* Help string for command line --test-mode flag */
1170 N_("Run as unprivileged user, skipping things that require root access"), NULL },
1171 { "pid-file", 0, 0, G_OPTION_ARG_STRING, &pid_path,
1172 /* Help string for command line --pid-file flag */
1173 N_("File to write PID into"), "FILE" },
1174 { "log-dir", 0, 0, G_OPTION_ARG_STRING, &log_dir,
1175 /* Help string for command line --log-dir flag */
1176 N_("Directory to write logs to"), "DIRECTORY" },
1177 { "run-dir", 0, 0, G_OPTION_ARG_STRING, &run_dir,
1178 /* Help string for command line --run-dir flag */
1179 N_("Directory to store running state"), "DIRECTORY" },
1180 { "cache-dir", 0, 0, G_OPTION_ARG_STRING, &cache_dir,
1181 /* Help string for command line --cache-dir flag */
1182 N_("Directory to cache information"), "DIRECTORY" },
1183 { "show-config", 0, 0, G_OPTION_ARG_NONE, &show_config,
1184 /* Help string for command line --show-config flag */
1185 N_("Show combined configuration"), NULL },
1186 { "version", 'v', 0, G_OPTION_ARG_NONE, &show_version,
1187 /* Help string for command line --version flag */
1188 N_("Show release version"), NULL },
1191 GError *error = NULL;
1193 /* When lightdm starts sessions it needs to run itself in a new mode */
1194 if (argc >= 2 && strcmp (argv[1], "--session-child") == 0)
1195 return session_child_run (argc, argv);
1197 #if !defined(GLIB_VERSION_2_36)
1200 loop = g_main_loop_new (NULL, FALSE);
1202 messages = g_list_append (messages, g_strdup_printf ("Starting Light Display Manager %s, UID=%i PID=%i", VERSION, getuid (), getpid ()));
1204 g_signal_connect (process_get_current (), PROCESS_SIGNAL_GOT_SIGNAL, G_CALLBACK (signal_cb), NULL);
1206 option_context = g_option_context_new (/* Arguments and description for --help test */
1207 _("- Display Manager"));
1208 g_option_context_add_main_entries (option_context, options, GETTEXT_PACKAGE);
1209 result = g_option_context_parse (option_context, &argc, &argv, &error);
1211 g_printerr ("%s\n", error->message);
1212 g_clear_error (&error);
1213 g_option_context_free (option_context);
1216 g_printerr (/* Text printed out when an unknown command-line argument provided */
1217 _("Run '%s --help' to see a full list of available command line options."), argv[0]);
1219 return EXIT_FAILURE;
1222 /* Show combined configuration if user requested it */
1225 GList *sources, *link;
1226 gchar **groups, *last_source, *empty_source;
1227 GHashTable *source_ids;
1230 if (!config_load_from_standard_locations (config_get_instance (), config_path, NULL))
1231 return EXIT_FAILURE;
1233 /* Number sources */
1234 sources = config_get_sources (config_get_instance ());
1235 source_ids = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
1237 for (i = 0, link = sources; link; i++, link = link->next)
1243 id = g_strdup_printf ("%c", 'A' + i);
1245 id = g_strdup_printf ("%d", i);
1246 g_hash_table_insert (source_ids, g_strdup (path), id);
1249 empty_source = g_strdup (last_source);
1250 for (i = 0; empty_source[i] != '\0'; i++)
1251 empty_source[i] = ' ';
1253 /* Print out keys */
1254 groups = config_get_groups (config_get_instance ());
1255 for (i = 0; groups[i]; i++)
1262 g_printerr ("%s [%s]\n", empty_source, groups[i]);
1264 keys = config_get_keys (config_get_instance (), groups[i]);
1265 for (j = 0; keys && keys[j]; j++)
1267 const gchar *source, *id;
1270 source = config_get_source (config_get_instance (), groups[i], keys[j]);
1271 id = source ? g_hash_table_lookup (source_ids, source) : empty_source;
1272 value = config_get_string (config_get_instance (), groups[i], keys[j]);
1273 g_printerr ("%s %s=%s\n", id, keys[j], value);
1279 g_strfreev (groups);
1281 /* Show mapping from source number to path */
1283 g_printerr ("Sources:\n");
1284 for (link = sources; link; link = link->next)
1286 const gchar *path = link->data;
1287 const gchar *source;
1289 source = g_hash_table_lookup (source_ids, path);
1290 g_printerr ("%s %s\n", source, path);
1293 g_hash_table_destroy (source_ids);
1295 return EXIT_SUCCESS;
1300 /* NOTE: Is not translated so can be easily parsed */
1301 g_printerr ("lightdm %s\n", VERSION);
1302 return EXIT_SUCCESS;
1305 if (!test_mode && getuid () != 0)
1307 g_printerr ("Only root can run Light Display Manager. To run as a regular user for testing run with the --test-mode flag.\n");
1308 return EXIT_FAILURE;
1311 /* If running inside an X server use Xephyr for display */
1312 if (getenv ("DISPLAY") && getuid () != 0)
1314 gchar *x_server_path;
1316 x_server_path = g_find_program_in_path ("Xephyr");
1319 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");
1320 return EXIT_FAILURE;
1322 g_free (x_server_path);
1325 /* Make sure the system binary directory (where the greeters are installed) is in the path */
1328 const gchar *path = g_getenv ("PATH");
1332 new_path = g_strdup_printf ("%s:%s", path, SBIN_DIR);
1334 new_path = g_strdup (SBIN_DIR);
1335 g_setenv ("PATH", new_path, TRUE);
1339 /* Write PID file */
1340 pid_file = fopen (pid_path, "w");
1343 fprintf (pid_file, "%d\n", getpid ());
1347 /* If not running as root write output to directories we control */
1350 g_free (default_log_dir);
1351 default_log_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "log", NULL);
1352 g_free (default_run_dir);
1353 default_run_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "run", NULL);
1354 g_free (default_cache_dir);
1355 default_cache_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "cache", NULL);
1358 /* Load config file(s) */
1359 if (!config_load_from_standard_locations (config_get_instance (), config_path, &messages))
1360 exit (EXIT_FAILURE);
1361 g_free (config_path);
1363 /* Set default values */
1364 if (!config_has_key (config_get_instance (), "LightDM", "start-default-seat"))
1365 config_set_boolean (config_get_instance (), "LightDM", "start-default-seat", TRUE);
1366 if (!config_has_key (config_get_instance (), "LightDM", "minimum-vt"))
1367 config_set_integer (config_get_instance (), "LightDM", "minimum-vt", 7);
1368 if (!config_has_key (config_get_instance (), "LightDM", "guest-account-script"))
1369 config_set_string (config_get_instance (), "LightDM", "guest-account-script", "guest-account");
1370 if (!config_has_key (config_get_instance (), "LightDM", "greeter-user"))
1371 config_set_string (config_get_instance (), "LightDM", "greeter-user", GREETER_USER);
1372 if (!config_has_key (config_get_instance (), "LightDM", "lock-memory"))
1373 config_set_boolean (config_get_instance (), "LightDM", "lock-memory", TRUE);
1374 if (!config_has_key (config_get_instance (), "Seat:*", "type"))
1375 config_set_string (config_get_instance (), "Seat:*", "type", "xlocal");
1376 if (!config_has_key (config_get_instance (), "Seat:*", "pam-service"))
1377 config_set_string (config_get_instance (), "Seat:*", "pam-service", "lightdm");
1378 if (!config_has_key (config_get_instance (), "Seat:*", "pam-autologin-service"))
1379 config_set_string (config_get_instance (), "Seat:*", "pam-autologin-service", "lightdm-autologin");
1380 if (!config_has_key (config_get_instance (), "Seat:*", "pam-greeter-service"))
1381 config_set_string (config_get_instance (), "Seat:*", "pam-greeter-service", "lightdm-greeter");
1382 if (!config_has_key (config_get_instance (), "Seat:*", "xserver-command"))
1383 config_set_string (config_get_instance (), "Seat:*", "xserver-command", "X");
1384 if (!config_has_key (config_get_instance (), "Seat:*", "xmir-command"))
1385 config_set_string (config_get_instance (), "Seat:*", "xmir-command", "Xmir");
1386 if (!config_has_key (config_get_instance (), "Seat:*", "xserver-share"))
1387 config_set_boolean (config_get_instance (), "Seat:*", "xserver-share", TRUE);
1388 if (!config_has_key (config_get_instance (), "Seat:*", "unity-compositor-command"))
1389 config_set_string (config_get_instance (), "Seat:*", "unity-compositor-command", "unity-system-compositor");
1390 if (!config_has_key (config_get_instance (), "Seat:*", "start-session"))
1391 config_set_boolean (config_get_instance (), "Seat:*", "start-session", TRUE);
1392 if (!config_has_key (config_get_instance (), "Seat:*", "allow-user-switching"))
1393 config_set_boolean (config_get_instance (), "Seat:*", "allow-user-switching", TRUE);
1394 if (!config_has_key (config_get_instance (), "Seat:*", "allow-guest"))
1395 config_set_boolean (config_get_instance (), "Seat:*", "allow-guest", TRUE);
1396 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-allow-guest"))
1397 config_set_boolean (config_get_instance (), "Seat:*", "greeter-allow-guest", TRUE);
1398 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-show-remote-login"))
1399 config_set_boolean (config_get_instance (), "Seat:*", "greeter-show-remote-login", TRUE);
1400 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-session"))
1401 config_set_string (config_get_instance (), "Seat:*", "greeter-session", GREETER_SESSION);
1402 if (!config_has_key (config_get_instance (), "Seat:*", "user-session"))
1403 config_set_string (config_get_instance (), "Seat:*", "user-session", USER_SESSION);
1404 if (!config_has_key (config_get_instance (), "Seat:*", "session-wrapper"))
1405 config_set_string (config_get_instance (), "Seat:*", "session-wrapper", "lightdm-session");
1406 if (!config_has_key (config_get_instance (), "LightDM", "log-directory"))
1407 config_set_string (config_get_instance (), "LightDM", "log-directory", default_log_dir);
1408 g_free (default_log_dir);
1409 if (!config_has_key (config_get_instance (), "LightDM", "run-directory"))
1410 config_set_string (config_get_instance (), "LightDM", "run-directory", default_run_dir);
1411 g_free (default_run_dir);
1412 if (!config_has_key (config_get_instance (), "LightDM", "cache-directory"))
1413 config_set_string (config_get_instance (), "LightDM", "cache-directory", default_cache_dir);
1414 g_free (default_cache_dir);
1415 if (!config_has_key (config_get_instance (), "LightDM", "sessions-directory"))
1416 config_set_string (config_get_instance (), "LightDM", "sessions-directory", SESSIONS_DIR);
1417 if (!config_has_key (config_get_instance (), "LightDM", "remote-sessions-directory"))
1418 config_set_string (config_get_instance (), "LightDM", "remote-sessions-directory", REMOTE_SESSIONS_DIR);
1419 if (!config_has_key (config_get_instance (), "LightDM", "greeters-directory"))
1420 config_set_string (config_get_instance (), "LightDM", "greeters-directory", GREETERS_DIR);
1422 /* Override defaults */
1424 config_set_string (config_get_instance (), "LightDM", "log-directory", log_dir);
1427 config_set_string (config_get_instance (), "LightDM", "run-directory", run_dir);
1430 config_set_string (config_get_instance (), "LightDM", "cache-directory", cache_dir);
1433 /* Create run and cache directories */
1434 dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
1435 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1436 g_warning ("Failed to make log directory %s: %s", dir, strerror (errno));
1438 dir = config_get_string (config_get_instance (), "LightDM", "run-directory");
1439 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1440 g_warning ("Failed to make run directory %s: %s", dir, strerror (errno));
1442 dir = config_get_string (config_get_instance (), "LightDM", "cache-directory");
1443 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1444 g_warning ("Failed to make cache directory %s: %s", dir, strerror (errno));
1449 /* Show queued messages once logging is complete */
1450 for (link = messages; link; link = link->next)
1451 g_debug ("%s", (gchar *)link->data);
1452 g_list_free_full (messages, g_free);
1454 g_debug ("Using D-Bus name %s", LIGHTDM_BUS_NAME);
1455 bus_id = g_bus_own_name (getuid () == 0 ? G_BUS_TYPE_SYSTEM : G_BUS_TYPE_SESSION,
1457 G_BUS_NAME_OWNER_FLAGS_NONE,
1465 g_debug ("Running in user mode");
1466 if (getenv ("DISPLAY"))
1467 g_debug ("Using Xephyr for X servers");
1469 display_manager = display_manager_new ();
1470 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_STOPPED, G_CALLBACK (display_manager_stopped_cb), NULL);
1471 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_REMOVED, G_CALLBACK (display_manager_seat_removed_cb), NULL);
1473 shared_data_manager_start (shared_data_manager_get_instance ());
1475 /* Connect to logind */
1476 if (login1_service_connect (login1_service_get_instance ()))
1478 /* Load dynamic seats from logind */
1479 g_debug ("Monitoring logind for seats");
1481 if (config_get_boolean (config_get_instance (), "LightDM", "start-default-seat"))
1483 g_signal_connect (login1_service_get_instance (), LOGIN1_SERVICE_SIGNAL_SEAT_ADDED, G_CALLBACK (login1_service_seat_added_cb), NULL);
1484 g_signal_connect (login1_service_get_instance (), LOGIN1_SERVICE_SIGNAL_SEAT_REMOVED, G_CALLBACK (login1_service_seat_removed_cb), NULL);
1486 for (link = login1_service_get_seats (login1_service_get_instance ()); link; link = link->next)
1488 Login1Seat *login1_seat = link->data;
1489 if (!login1_add_seat (login1_seat))
1490 return EXIT_FAILURE;
1496 if (config_get_boolean (config_get_instance (), "LightDM", "start-default-seat"))
1502 g_debug ("Adding default seat");
1504 types = config_get_string_list (config_get_instance (), "Seat:*", "type");
1505 for (type = types; type && *type; type++)
1507 seat = seat_new (*type, "seat0");
1514 set_seat_properties (seat, NULL);
1515 seat_set_property (seat, "exit-on-failure", "true");
1516 if (!display_manager_add_seat (display_manager, seat))
1517 return EXIT_FAILURE;
1518 g_object_unref (seat);
1522 g_warning ("Failed to create default seat");
1523 return EXIT_FAILURE;
1528 g_main_loop_run (loop);
1530 /* Clean up shared data manager */
1531 shared_data_manager_cleanup ();
1533 /* Clean up user list */
1534 common_user_list_cleanup ();
1536 /* Clean up display manager */
1537 g_clear_object (&display_manager);
1539 /* Remove D-Bus interface */
1540 g_dbus_connection_unregister_object (bus, reg_id);
1541 g_bus_unown_name (bus_id);
1542 if (seat_bus_entries)
1543 g_hash_table_unref (seat_bus_entries);
1544 if (session_bus_entries)
1545 g_hash_table_unref (session_bus_entries);
1547 g_debug ("Exiting with return value %d", exit_code);