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 /* Load seat defaults first */
157 config_sections = g_list_append (config_sections, g_strdup ("Seat:*"));
159 groups = config_get_groups (config_get_instance ());
160 for (i = groups; *i; i++)
162 if (g_str_has_prefix (*i, "Seat:") && strcmp (*i, "Seat:*") != 0)
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 l_debug (seat, "Loading properties from config section %s", section);
188 for (i = 0; keys && keys[i]; i++)
190 gchar *value = config_get_string (config_get_instance (), section, keys[i]);
191 seat_set_property (seat, keys[i], value);
196 g_list_free_full (sections, g_free);
200 signal_cb (Process *process, int signum)
202 g_debug ("Caught %s signal, shutting down", g_strsignal (signum));
203 display_manager_stop (display_manager);
204 // FIXME: Stop XDMCP server
208 display_manager_stopped_cb (DisplayManager *display_manager)
210 g_debug ("Stopping daemon");
211 g_main_loop_quit (loop);
215 display_manager_seat_removed_cb (DisplayManager *display_manager, Seat *seat)
219 Seat *next_seat = NULL;
222 /* If we have fallback types registered for the seat, let's try them
224 types = seat_get_string_list_property (seat, "type");
225 next_types = g_string_new ("");
226 for (iter = types; iter && *iter; iter++)
229 continue; // skip first one, that is our current seat type
233 next_seat = seat_new (*iter, seat_get_name (seat));
234 g_string_assign (next_types, *iter);
238 // Build up list of types to try next time
239 g_string_append_c (next_types, ';');
240 g_string_append (next_types, *iter);
247 set_seat_properties (next_seat, seat_get_name (seat));
249 // We set this manually on default seat. Let's port it over if needed.
250 if (seat_get_boolean_property (seat, "exit-on-failure"))
251 seat_set_property (next_seat, "exit-on-failure", "true");
253 seat_set_property (next_seat, "type", next_types->str);
255 display_manager_add_seat (display_manager, next_seat);
256 g_object_unref (next_seat);
258 else if (seat_get_boolean_property (seat, "exit-on-failure"))
260 g_debug ("Required seat has stopped");
261 exit_code = EXIT_FAILURE;
262 display_manager_stop (display_manager);
265 g_string_free (next_types, TRUE);
271 GVariantBuilder builder;
275 g_variant_builder_init (&builder, G_VARIANT_TYPE ("ao"));
276 g_hash_table_iter_init (&iter, seat_bus_entries);
277 while (g_hash_table_iter_next (&iter, NULL, &value))
279 SeatBusEntry *entry = value;
280 g_variant_builder_add_value (&builder, g_variant_new_object_path (entry->path));
283 return g_variant_builder_end (&builder);
287 get_session_list (const gchar *seat_path)
289 GVariantBuilder builder;
293 g_variant_builder_init (&builder, G_VARIANT_TYPE ("ao"));
295 g_hash_table_iter_init (&iter, session_bus_entries);
296 while (g_hash_table_iter_next (&iter, NULL, &value))
298 SessionBusEntry *entry = value;
299 if (seat_path == NULL || strcmp (entry->seat_path, seat_path) == 0)
300 g_variant_builder_add_value (&builder, g_variant_new_object_path (entry->path));
303 return g_variant_builder_end (&builder);
307 handle_display_manager_get_property (GDBusConnection *connection,
309 const gchar *object_path,
310 const gchar *interface_name,
311 const gchar *property_name,
315 if (g_strcmp0 (property_name, "Seats") == 0)
316 return get_seat_list ();
317 else if (g_strcmp0 (property_name, "Sessions") == 0)
318 return get_session_list (NULL);
324 handle_display_manager_call (GDBusConnection *connection,
326 const gchar *object_path,
327 const gchar *interface_name,
328 const gchar *method_name,
329 GVariant *parameters,
330 GDBusMethodInvocation *invocation,
333 if (g_strcmp0 (method_name, "AddSeat") == 0)
334 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "AddSeat is deprecated");
335 else if (g_strcmp0 (method_name, "AddLocalXSeat") == 0)
340 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(i)")))
342 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
346 g_variant_get (parameters, "(i)", &display_number);
348 g_debug ("Adding local X seat :%d", display_number);
350 seat = seat_new ("xremote", "xremote0"); // FIXME: What to use for a name?
353 gchar *display_number_string;
355 set_seat_properties (seat, NULL);
356 display_number_string = g_strdup_printf ("%d", display_number);
357 seat_set_property (seat, "xserver-display-number", display_number_string);
358 g_free (display_number_string);
363 // FIXME: Need to make proper error
364 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Unable to create local X seat");
368 if (display_manager_add_seat (display_manager, seat))
372 entry = g_hash_table_lookup (seat_bus_entries, seat);
373 g_dbus_method_invocation_return_value (invocation, g_variant_new ("(o)", entry->path));
375 else// FIXME: Need to make proper error
376 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to start seat");
377 g_object_unref (seat);
380 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
384 handle_seat_get_property (GDBusConnection *connection,
386 const gchar *object_path,
387 const gchar *interface_name,
388 const gchar *property_name,
392 Seat *seat = user_data;
394 if (g_strcmp0 (property_name, "CanSwitch") == 0)
395 return g_variant_new_boolean (seat_get_can_switch (seat));
396 if (g_strcmp0 (property_name, "HasGuestAccount") == 0)
397 return g_variant_new_boolean (seat_get_allow_guest (seat));
398 else if (g_strcmp0 (property_name, "Sessions") == 0)
402 entry = g_hash_table_lookup (seat_bus_entries, seat);
403 return get_session_list (entry->path);
410 handle_seat_call (GDBusConnection *connection,
412 const gchar *object_path,
413 const gchar *interface_name,
414 const gchar *method_name,
415 GVariant *parameters,
416 GDBusMethodInvocation *invocation,
419 Seat *seat = user_data;
421 if (g_strcmp0 (method_name, "SwitchToGreeter") == 0)
423 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
424 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
426 if (seat_switch_to_greeter (seat))
427 g_dbus_method_invocation_return_value (invocation, NULL);
428 else// FIXME: Need to make proper error
429 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to greeter");
431 else if (g_strcmp0 (method_name, "SwitchToUser") == 0)
433 const gchar *username, *session_name;
435 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(ss)")))
436 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
438 g_variant_get (parameters, "(&s&s)", &username, &session_name);
439 if (strcmp (session_name, "") == 0)
442 if (seat_switch_to_user (seat, username, session_name))
443 g_dbus_method_invocation_return_value (invocation, NULL);
444 else// FIXME: Need to make proper error
445 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to user");
447 else if (g_strcmp0 (method_name, "SwitchToGuest") == 0)
449 const gchar *session_name;
451 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(s)")))
452 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
454 g_variant_get (parameters, "(&s)", &session_name);
455 if (strcmp (session_name, "") == 0)
458 if (seat_switch_to_guest (seat, session_name))
459 g_dbus_method_invocation_return_value (invocation, NULL);
460 else// FIXME: Need to make proper error
461 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to switch to guest");
463 else if (g_strcmp0 (method_name, "Lock") == 0)
465 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
466 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
468 /* FIXME: Should only allow locks if have a session on this seat */
469 if (seat_lock (seat, NULL))
470 g_dbus_method_invocation_return_value (invocation, NULL);
471 else// FIXME: Need to make proper error
472 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "Failed to lock seat");
475 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
479 get_seat_for_session (Session *session)
483 for (seat_link = display_manager_get_seats (display_manager); seat_link; seat_link = seat_link->next)
485 Seat *seat = seat_link->data;
488 for (session_link = seat_get_sessions (seat); session_link; session_link = session_link->next)
490 Session *s = session_link->data;
501 handle_session_get_property (GDBusConnection *connection,
503 const gchar *object_path,
504 const gchar *interface_name,
505 const gchar *property_name,
509 Session *session = user_data;
510 SessionBusEntry *entry;
512 entry = g_hash_table_lookup (session_bus_entries, session);
513 if (g_strcmp0 (property_name, "Seat") == 0)
514 return g_variant_new_object_path (entry ? entry->seat_path : "");
515 else if (g_strcmp0 (property_name, "UserName") == 0)
516 return g_variant_new_string (session_get_username (session));
522 handle_session_call (GDBusConnection *connection,
524 const gchar *object_path,
525 const gchar *interface_name,
526 const gchar *method_name,
527 GVariant *parameters,
528 GDBusMethodInvocation *invocation,
531 Session *session = user_data;
533 if (g_strcmp0 (method_name, "Lock") == 0)
537 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("()")))
538 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "Invalid arguments");
540 seat = get_seat_for_session (session);
541 /* FIXME: Should only allow locks if have a session on this seat */
542 seat_lock (seat, session_get_username (session));
543 g_dbus_method_invocation_return_value (invocation, NULL);
546 g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Unknown method");
549 static SeatBusEntry *
550 seat_bus_entry_new (const gchar *path)
554 entry = g_malloc0 (sizeof (SeatBusEntry));
555 entry->path = g_strdup (path);
560 static SessionBusEntry *
561 session_bus_entry_new (const gchar *path, const gchar *seat_path)
563 SessionBusEntry *entry;
565 entry = g_malloc0 (sizeof (SessionBusEntry));
566 entry->path = g_strdup (path);
567 entry->seat_path = g_strdup (seat_path);
573 emit_object_value_changed (GDBusConnection *bus, const gchar *path, const gchar *interface_name, const gchar *property_name, GVariant *property_value)
575 GVariantBuilder builder;
576 GError *error = NULL;
578 g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
579 g_variant_builder_add (&builder, "{sv}", property_name, property_value);
581 if (!g_dbus_connection_emit_signal (bus,
584 "org.freedesktop.DBus.Properties",
586 g_variant_new ("(sa{sv}as)", interface_name, &builder, NULL),
588 g_warning ("Failed to emit PropertiesChanged signal: %s", error->message);
589 g_clear_error (&error);
593 emit_object_signal (GDBusConnection *bus, const gchar *path, const gchar *signal_name, const gchar *object_path)
595 GError *error = NULL;
597 if (!g_dbus_connection_emit_signal (bus,
600 "org.freedesktop.DisplayManager",
602 g_variant_new ("(o)", object_path),
604 g_warning ("Failed to emit %s signal on %s: %s", signal_name, path, error->message);
605 g_clear_error (&error);
609 seat_bus_entry_free (gpointer data)
611 SeatBusEntry *entry = data;
613 g_free (entry->path);
618 session_bus_entry_free (gpointer data)
620 SessionBusEntry *entry = data;
622 g_free (entry->path);
623 g_free (entry->seat_path);
628 running_user_session_cb (Seat *seat, Session *session)
630 static const GDBusInterfaceVTable session_vtable =
633 handle_session_get_property
635 SeatBusEntry *seat_entry;
636 SessionBusEntry *session_entry;
638 GError *error = NULL;
640 /* Set environment variables when session runs */
641 seat_entry = g_hash_table_lookup (seat_bus_entries, seat);
642 session_set_env (session, "XDG_SEAT_PATH", seat_entry->path);
643 path = g_strdup_printf ("/org/freedesktop/DisplayManager/Session%d", session_index);
645 session_set_env (session, "XDG_SESSION_PATH", path);
646 g_object_set_data_full (G_OBJECT (session), "XDG_SESSION_PATH", path, g_free);
648 session_entry = session_bus_entry_new (g_object_get_data (G_OBJECT (session), "XDG_SESSION_PATH"), seat_entry ? seat_entry->path : NULL);
649 g_hash_table_insert (session_bus_entries, g_object_ref (session), session_entry);
651 g_debug ("Registering session with bus path %s", session_entry->path);
653 session_entry->bus_id = g_dbus_connection_register_object (bus,
655 session_info->interfaces[0],
657 g_object_ref (session), g_object_unref,
659 if (session_entry->bus_id == 0)
660 g_warning ("Failed to register user session: %s", error->message);
661 g_clear_error (&error);
663 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Sessions", get_session_list (NULL));
664 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SessionAdded", session_entry->path);
666 emit_object_value_changed (bus, seat_entry->path, "org.freedesktop.DisplayManager.Seat", "Sessions", get_session_list (session_entry->seat_path));
667 emit_object_signal (bus, seat_entry->path, "SessionAdded", session_entry->path);
671 session_removed_cb (Seat *seat, Session *session)
673 SessionBusEntry *entry;
674 gchar *seat_path = NULL;
676 g_signal_handlers_disconnect_matched (session, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
678 entry = g_hash_table_lookup (session_bus_entries, session);
681 g_dbus_connection_unregister_object (bus, entry->bus_id);
682 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SessionRemoved", entry->path);
683 emit_object_signal (bus, entry->seat_path, "SessionRemoved", entry->path);
684 seat_path = g_strdup (entry->seat_path);
687 g_hash_table_remove (session_bus_entries, session);
691 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Sessions", get_session_list (NULL));
692 emit_object_value_changed (bus, seat_path, "org.freedesktop.DisplayManager.Seat", "Sessions", get_session_list (seat_path));
698 seat_added_cb (DisplayManager *display_manager, Seat *seat)
700 static const GDBusInterfaceVTable seat_vtable =
703 handle_seat_get_property
707 GError *error = NULL;
709 path = g_strdup_printf ("/org/freedesktop/DisplayManager/Seat%d", seat_index);
712 entry = seat_bus_entry_new (path);
714 g_hash_table_insert (seat_bus_entries, g_object_ref (seat), entry);
716 g_debug ("Registering seat with bus path %s", entry->path);
718 entry->bus_id = g_dbus_connection_register_object (bus,
720 seat_info->interfaces[0],
722 g_object_ref (seat), g_object_unref,
724 if (entry->bus_id == 0)
725 g_warning ("Failed to register seat: %s", error->message);
726 g_clear_error (&error);
728 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Seats", get_seat_list ());
729 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SeatAdded", entry->path);
731 g_signal_connect (seat, SEAT_SIGNAL_RUNNING_USER_SESSION, G_CALLBACK (running_user_session_cb), NULL);
732 g_signal_connect (seat, SEAT_SIGNAL_SESSION_REMOVED, G_CALLBACK (session_removed_cb), NULL);
736 seat_removed_cb (DisplayManager *display_manager, Seat *seat)
740 entry = g_hash_table_lookup (seat_bus_entries, seat);
743 g_dbus_connection_unregister_object (bus, entry->bus_id);
744 emit_object_signal (bus, "/org/freedesktop/DisplayManager", "SeatRemoved", entry->path);
747 g_hash_table_remove (seat_bus_entries, seat);
749 emit_object_value_changed (bus, "/org/freedesktop/DisplayManager", "org.freedesktop.DisplayManager", "Seats", get_seat_list ());
753 xdmcp_session_cb (XDMCPServer *server, XDMCPSession *session)
755 SeatXDMCPSession *seat;
758 seat = seat_xdmcp_session_new (session);
759 set_seat_properties (SEAT (seat), NULL);
760 result = display_manager_add_seat (display_manager, SEAT (seat));
761 g_object_unref (seat);
767 vnc_connection_cb (VNCServer *server, GSocket *connection)
771 seat = seat_xvnc_new (connection);
772 set_seat_properties (SEAT (seat), NULL);
773 display_manager_add_seat (display_manager, SEAT (seat));
774 g_object_unref (seat);
778 bus_acquired_cb (GDBusConnection *connection,
782 const gchar *display_manager_interface =
784 " <interface name='org.freedesktop.DisplayManager'>"
785 " <property name='Seats' type='ao' access='read'/>"
786 " <property name='Sessions' type='ao' access='read'/>"
787 " <method name='AddSeat'>"
788 " <arg name='type' direction='in' type='s'/>"
789 " <arg name='properties' direction='in' type='a(ss)'/>"
790 " <arg name='seat' direction='out' type='o'/>"
792 " <method name='AddLocalXSeat'>"
793 " <arg name='display-number' direction='in' type='i'/>"
794 " <arg name='seat' direction='out' type='o'/>"
796 " <signal name='SeatAdded'>"
797 " <arg name='seat' type='o'/>"
799 " <signal name='SeatRemoved'>"
800 " <arg name='seat' type='o'/>"
802 " <signal name='SessionAdded'>"
803 " <arg name='session' type='o'/>"
805 " <signal name='SessionRemoved'>"
806 " <arg name='session' type='o'/>"
810 static const GDBusInterfaceVTable display_manager_vtable =
812 handle_display_manager_call,
813 handle_display_manager_get_property
815 const gchar *seat_interface =
817 " <interface name='org.freedesktop.DisplayManager.Seat'>"
818 " <property name='CanSwitch' type='b' access='read'/>"
819 " <property name='HasGuestAccount' type='b' access='read'/>"
820 " <property name='Sessions' type='ao' access='read'/>"
821 " <method name='SwitchToGreeter'/>"
822 " <method name='SwitchToUser'>"
823 " <arg name='username' direction='in' type='s'/>"
824 " <arg name='session-name' direction='in' type='s'/>"
826 " <method name='SwitchToGuest'>"
827 " <arg name='session-name' direction='in' type='s'/>"
829 " <method name='Lock'/>"
830 " <signal name='SessionAdded'>"
831 " <arg name='session' type='o'/>"
833 " <signal name='SessionRemoved'>"
834 " <arg name='session' type='o'/>"
838 const gchar *session_interface =
840 " <interface name='org.freedesktop.DisplayManager.Session'>"
841 " <property name='Seat' type='o' access='read'/>"
842 " <property name='UserName' type='s' access='read'/>"
843 " <method name='Lock'/>"
846 GDBusNodeInfo *display_manager_info;
848 GError *error = NULL;
850 g_debug ("Acquired bus name %s", name);
854 display_manager_info = g_dbus_node_info_new_for_xml (display_manager_interface, NULL);
855 g_assert (display_manager_info != NULL);
856 seat_info = g_dbus_node_info_new_for_xml (seat_interface, NULL);
857 g_assert (seat_info != NULL);
858 session_info = g_dbus_node_info_new_for_xml (session_interface, NULL);
859 g_assert (session_info != NULL);
861 reg_id = g_dbus_connection_register_object (connection,
862 "/org/freedesktop/DisplayManager",
863 display_manager_info->interfaces[0],
864 &display_manager_vtable,
868 g_warning ("Failed to register display manager: %s", error->message);
869 g_clear_error (&error);
870 g_dbus_node_info_unref (display_manager_info);
872 seat_bus_entries = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, seat_bus_entry_free);
873 session_bus_entries = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, session_bus_entry_free);
875 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_ADDED, G_CALLBACK (seat_added_cb), NULL);
876 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_REMOVED, G_CALLBACK (seat_removed_cb), NULL);
877 for (link = display_manager_get_seats (display_manager); link; link = link->next)
878 seat_added_cb (display_manager, (Seat *) link->data);
880 display_manager_start (display_manager);
882 /* Start the XDMCP server */
883 if (config_get_boolean (config_get_instance (), "XDMCPServer", "enabled"))
885 gchar *key_name, *key = NULL, *listen_address;
887 xdmcp_server = xdmcp_server_new ();
888 if (config_has_key (config_get_instance (), "XDMCPServer", "port"))
891 port = config_get_integer (config_get_instance (), "XDMCPServer", "port");
893 xdmcp_server_set_port (xdmcp_server, port);
895 listen_address = config_get_string (config_get_instance (), "XDMCPServer", "listen-address");
896 xdmcp_server_set_listen_address (xdmcp_server, listen_address);
897 g_free (listen_address);
898 g_signal_connect (xdmcp_server, XDMCP_SERVER_SIGNAL_NEW_SESSION, G_CALLBACK (xdmcp_session_cb), NULL);
900 key_name = config_get_string (config_get_instance (), "XDMCPServer", "key");
906 GError *error = NULL;
908 path = g_build_filename (config_get_directory (config_get_instance ()), "keys.conf", NULL);
910 keys = g_key_file_new ();
911 result = g_key_file_load_from_file (keys, path, G_KEY_FILE_NONE, &error);
913 g_debug ("Error getting key %s", error->message);
914 g_clear_error (&error);
918 if (g_key_file_has_key (keys, "keyring", key_name, NULL))
919 key = g_key_file_get_string (keys, "keyring", key_name, NULL);
921 g_debug ("Key %s not defined", key_name);
924 g_key_file_free (keys);
927 xdmcp_server_set_key (xdmcp_server, key);
931 g_debug ("Starting XDMCP server on UDP/IP port %d", xdmcp_server_get_port (xdmcp_server));
932 xdmcp_server_start (xdmcp_server);
935 /* Start the VNC server */
936 if (config_get_boolean (config_get_instance (), "VNCServer", "enabled"))
940 path = g_find_program_in_path ("Xvnc");
943 gchar *listen_address;
945 vnc_server = vnc_server_new ();
946 if (config_has_key (config_get_instance (), "VNCServer", "port"))
949 port = config_get_integer (config_get_instance (), "VNCServer", "port");
951 vnc_server_set_port (vnc_server, port);
953 listen_address = config_get_string (config_get_instance (), "VNCServer", "listen-address");
954 vnc_server_set_listen_address (vnc_server, listen_address);
955 g_free (listen_address);
956 g_signal_connect (vnc_server, VNC_SERVER_SIGNAL_NEW_CONNECTION, G_CALLBACK (vnc_connection_cb), NULL);
958 g_debug ("Starting VNC server on TCP/IP port %d", vnc_server_get_port (vnc_server));
959 vnc_server_start (vnc_server);
964 g_warning ("Can't start VNC server, Xvnc is not in the path");
969 name_lost_cb (GDBusConnection *connection,
974 g_printerr ("Failed to use bus name " LIGHTDM_BUS_NAME ", do you have appropriate permissions?\n");
976 g_printerr ("Failed to get D-Bus connection\n");
982 add_login1_seat (Login1Seat *login1_seat)
984 const gchar *seat_name = login1_seat_get_id (login1_seat);
985 gchar **types = NULL, **type;
986 GList *config_sections = NULL, *link;
988 gboolean is_seat0, started = FALSE;
990 g_debug ("New seat added from logind: %s", seat_name);
991 is_seat0 = strcmp (seat_name, "seat0") == 0;
993 config_sections = get_config_sections (seat_name);
994 for (link = g_list_last (config_sections); link; link = link->prev)
996 gchar *config_section = link->data;
997 types = config_get_string_list (config_get_instance (), config_section, "type");
1001 g_list_free_full (config_sections, g_free);
1003 for (type = types; !seat && type && *type; type++)
1004 seat = seat_new (*type, seat_name);
1009 set_seat_properties (seat, seat_name);
1011 if (!login1_seat_get_can_multi_session (login1_seat))
1013 g_debug ("Seat %s has property CanMultiSession=no", seat_name);
1014 /* XXX: uncomment this line after bug #1371250 is closed.
1015 seat_set_property (seat, "allow-user-switching", "false"); */
1019 seat_set_property (seat, "exit-on-failure", "true");
1022 g_debug ("Unable to create seat: %s", seat_name);
1026 started = display_manager_add_seat (display_manager, seat);
1028 g_debug ("Failed to start seat: %s", seat_name);
1031 g_object_unref (seat);
1037 remove_login1_seat (Login1Seat *login1_seat)
1041 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1047 seat_stopped_cb (Seat *seat, Login1Seat *login1_seat)
1049 update_login1_seat (login1_seat);
1050 g_signal_handlers_disconnect_matched (seat, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, login1_seat);
1054 update_login1_seat (Login1Seat *login1_seat)
1056 if (!config_get_boolean (config_get_instance (), "LightDM", "logind-check-graphical") ||
1057 login1_seat_get_can_graphical (login1_seat))
1061 /* Wait for existing seat to stop or ignore if we already have a valid seat */
1062 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1065 if (seat_get_is_stopping (seat))
1066 g_signal_connect (seat, SEAT_SIGNAL_STOPPED, G_CALLBACK (seat_stopped_cb), login1_seat);
1070 return add_login1_seat (login1_seat);
1074 remove_login1_seat (login1_seat);
1080 login1_can_graphical_changed_cb (Login1Seat *login1_seat)
1082 g_debug ("Seat %s changes graphical state to %s", login1_seat_get_id (login1_seat), login1_seat_get_can_graphical (login1_seat) ? "true" : "false");
1083 update_login1_seat (login1_seat);
1087 login1_active_session_changed_cb (Login1Seat *login1_seat, const gchar *login1_session_id)
1089 g_debug ("Seat %s changes active session to %s", login1_seat_get_id (login1_seat), login1_session_id);
1092 seat = display_manager_get_seat (display_manager, login1_seat_get_id (login1_seat));
1096 Session *active_session;
1097 active_session = seat_get_expected_active_session (seat);
1099 if (g_strcmp0 (login1_session_id, session_get_login1_session_id (active_session)) == 0)
1101 // Session is already active
1102 g_debug ("Session %s is already active", login1_session_id);
1106 active_session = seat_find_session_by_login1_id (seat, login1_session_id);
1107 if (active_session != NULL)
1109 g_debug ("Activating session %s", login1_session_id);
1110 seat_set_externally_activated_session (seat, active_session);
1118 login1_add_seat (Login1Seat *login1_seat)
1120 if (config_get_boolean (config_get_instance (), "LightDM", "logind-check-graphical"))
1121 g_signal_connect (login1_seat, "can-graphical-changed", G_CALLBACK (login1_can_graphical_changed_cb), NULL);
1123 g_signal_connect (login1_seat, LOGIN1_SIGNAL_ACTIVE_SESION_CHANGED, G_CALLBACK (login1_active_session_changed_cb), NULL);
1125 return update_login1_seat (login1_seat);
1129 login1_service_seat_added_cb (Login1Service *service, Login1Seat *login1_seat)
1131 if (login1_seat_get_can_graphical (login1_seat))
1132 g_debug ("Seat %s added from logind", login1_seat_get_id (login1_seat));
1134 g_debug ("Seat %s added from logind without graphical output", login1_seat_get_id (login1_seat));
1136 login1_add_seat (login1_seat);
1140 login1_service_seat_removed_cb (Login1Service *service, Login1Seat *login1_seat)
1142 g_debug ("Seat %s removed from logind", login1_seat_get_id (login1_seat));
1143 g_signal_handlers_disconnect_matched (login1_seat, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, login1_can_graphical_changed_cb, NULL);
1144 g_signal_handlers_disconnect_matched (login1_seat, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, login1_active_session_changed_cb, NULL);
1145 remove_login1_seat (login1_seat);
1149 main (int argc, char **argv)
1152 GOptionContext *option_context;
1155 gboolean test_mode = FALSE;
1156 gchar *pid_path = "/var/run/lightdm.pid";
1157 gchar *log_dir = NULL;
1158 gchar *run_dir = NULL;
1159 gchar *cache_dir = NULL;
1160 gchar *default_log_dir = g_strdup (LOG_DIR);
1161 gchar *default_run_dir = g_strdup (RUN_DIR);
1162 gchar *default_cache_dir = g_strdup (CACHE_DIR);
1163 gboolean show_config = FALSE, show_version = FALSE;
1164 GList *link, *messages = NULL;
1165 GOptionEntry options[] =
1167 { "config", 'c', 0, G_OPTION_ARG_STRING, &config_path,
1168 /* Help string for command line --config flag */
1169 N_("Use configuration file"), "FILE" },
1170 { "debug", 'd', 0, G_OPTION_ARG_NONE, &debug,
1171 /* Help string for command line --debug flag */
1172 N_("Print debugging messages"), NULL },
1173 { "test-mode", 0, 0, G_OPTION_ARG_NONE, &test_mode,
1174 /* Help string for command line --test-mode flag */
1175 N_("Run as unprivileged user, skipping things that require root access"), NULL },
1176 { "pid-file", 0, 0, G_OPTION_ARG_STRING, &pid_path,
1177 /* Help string for command line --pid-file flag */
1178 N_("File to write PID into"), "FILE" },
1179 { "log-dir", 0, 0, G_OPTION_ARG_STRING, &log_dir,
1180 /* Help string for command line --log-dir flag */
1181 N_("Directory to write logs to"), "DIRECTORY" },
1182 { "run-dir", 0, 0, G_OPTION_ARG_STRING, &run_dir,
1183 /* Help string for command line --run-dir flag */
1184 N_("Directory to store running state"), "DIRECTORY" },
1185 { "cache-dir", 0, 0, G_OPTION_ARG_STRING, &cache_dir,
1186 /* Help string for command line --cache-dir flag */
1187 N_("Directory to cache information"), "DIRECTORY" },
1188 { "show-config", 0, 0, G_OPTION_ARG_NONE, &show_config,
1189 /* Help string for command line --show-config flag */
1190 N_("Show combined configuration"), NULL },
1191 { "version", 'v', 0, G_OPTION_ARG_NONE, &show_version,
1192 /* Help string for command line --version flag */
1193 N_("Show release version"), NULL },
1196 GError *error = NULL;
1198 /* When lightdm starts sessions it needs to run itself in a new mode */
1199 if (argc >= 2 && strcmp (argv[1], "--session-child") == 0)
1200 return session_child_run (argc, argv);
1202 #if !defined(GLIB_VERSION_2_36)
1205 loop = g_main_loop_new (NULL, FALSE);
1207 messages = g_list_append (messages, g_strdup_printf ("Starting Light Display Manager %s, UID=%i PID=%i", VERSION, getuid (), getpid ()));
1209 g_signal_connect (process_get_current (), PROCESS_SIGNAL_GOT_SIGNAL, G_CALLBACK (signal_cb), NULL);
1211 option_context = g_option_context_new (/* Arguments and description for --help test */
1212 _("- Display Manager"));
1213 g_option_context_add_main_entries (option_context, options, GETTEXT_PACKAGE);
1214 result = g_option_context_parse (option_context, &argc, &argv, &error);
1216 g_printerr ("%s\n", error->message);
1217 g_clear_error (&error);
1218 g_option_context_free (option_context);
1221 g_printerr (/* Text printed out when an unknown command-line argument provided */
1222 _("Run '%s --help' to see a full list of available command line options."), argv[0]);
1224 return EXIT_FAILURE;
1227 /* Show combined configuration if user requested it */
1230 GList *sources, *link;
1231 gchar **groups, *last_source, *empty_source;
1232 GHashTable *source_ids;
1235 if (!config_load_from_standard_locations (config_get_instance (), config_path, NULL))
1236 return EXIT_FAILURE;
1238 /* Number sources */
1239 sources = config_get_sources (config_get_instance ());
1240 source_ids = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
1242 for (i = 0, link = sources; link; i++, link = link->next)
1248 id = g_strdup_printf ("%c", 'A' + i);
1250 id = g_strdup_printf ("%d", i);
1251 g_hash_table_insert (source_ids, g_strdup (path), id);
1254 empty_source = g_strdup (last_source);
1255 for (i = 0; empty_source[i] != '\0'; i++)
1256 empty_source[i] = ' ';
1258 /* Print out keys */
1259 groups = config_get_groups (config_get_instance ());
1260 for (i = 0; groups[i]; i++)
1267 g_printerr ("%s [%s]\n", empty_source, groups[i]);
1269 keys = config_get_keys (config_get_instance (), groups[i]);
1270 for (j = 0; keys && keys[j]; j++)
1272 const gchar *source, *id;
1275 source = config_get_source (config_get_instance (), groups[i], keys[j]);
1276 id = source ? g_hash_table_lookup (source_ids, source) : empty_source;
1277 value = config_get_string (config_get_instance (), groups[i], keys[j]);
1278 g_printerr ("%s %s=%s\n", id, keys[j], value);
1284 g_strfreev (groups);
1286 /* Show mapping from source number to path */
1288 g_printerr ("Sources:\n");
1289 for (link = sources; link; link = link->next)
1291 const gchar *path = link->data;
1292 const gchar *source;
1294 source = g_hash_table_lookup (source_ids, path);
1295 g_printerr ("%s %s\n", source, path);
1298 g_hash_table_destroy (source_ids);
1300 return EXIT_SUCCESS;
1305 /* NOTE: Is not translated so can be easily parsed */
1306 g_printerr ("lightdm %s\n", VERSION);
1307 return EXIT_SUCCESS;
1310 if (!test_mode && getuid () != 0)
1312 g_printerr ("Only root can run Light Display Manager. To run as a regular user for testing run with the --test-mode flag.\n");
1313 return EXIT_FAILURE;
1316 /* If running inside an X server use Xephyr for display */
1317 if (getenv ("DISPLAY") && getuid () != 0)
1319 gchar *x_server_path;
1321 x_server_path = g_find_program_in_path ("Xephyr");
1324 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");
1325 return EXIT_FAILURE;
1327 g_free (x_server_path);
1330 /* Make sure the system binary directory (where the greeters are installed) is in the path */
1333 const gchar *path = g_getenv ("PATH");
1337 new_path = g_strdup_printf ("%s:%s", path, SBIN_DIR);
1339 new_path = g_strdup (SBIN_DIR);
1340 g_setenv ("PATH", new_path, TRUE);
1344 /* Write PID file */
1345 pid_file = fopen (pid_path, "w");
1348 fprintf (pid_file, "%d\n", getpid ());
1352 /* If not running as root write output to directories we control */
1355 g_free (default_log_dir);
1356 default_log_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "log", NULL);
1357 g_free (default_run_dir);
1358 default_run_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "run", NULL);
1359 g_free (default_cache_dir);
1360 default_cache_dir = g_build_filename (g_get_user_cache_dir (), "lightdm", "cache", NULL);
1363 /* Load config file(s) */
1364 if (!config_load_from_standard_locations (config_get_instance (), config_path, &messages))
1365 exit (EXIT_FAILURE);
1366 g_free (config_path);
1368 /* Set default values */
1369 if (!config_has_key (config_get_instance (), "LightDM", "start-default-seat"))
1370 config_set_boolean (config_get_instance (), "LightDM", "start-default-seat", TRUE);
1371 if (!config_has_key (config_get_instance (), "LightDM", "minimum-vt"))
1372 config_set_integer (config_get_instance (), "LightDM", "minimum-vt", 7);
1373 if (!config_has_key (config_get_instance (), "LightDM", "guest-account-script"))
1374 config_set_string (config_get_instance (), "LightDM", "guest-account-script", "guest-account");
1375 if (!config_has_key (config_get_instance (), "LightDM", "greeter-user"))
1376 config_set_string (config_get_instance (), "LightDM", "greeter-user", GREETER_USER);
1377 if (!config_has_key (config_get_instance (), "LightDM", "lock-memory"))
1378 config_set_boolean (config_get_instance (), "LightDM", "lock-memory", TRUE);
1379 if (!config_has_key (config_get_instance (), "Seat:*", "type"))
1380 config_set_string (config_get_instance (), "Seat:*", "type", "xlocal");
1381 if (!config_has_key (config_get_instance (), "Seat:*", "pam-service"))
1382 config_set_string (config_get_instance (), "Seat:*", "pam-service", "lightdm");
1383 if (!config_has_key (config_get_instance (), "Seat:*", "pam-autologin-service"))
1384 config_set_string (config_get_instance (), "Seat:*", "pam-autologin-service", "lightdm-autologin");
1385 if (!config_has_key (config_get_instance (), "Seat:*", "pam-greeter-service"))
1386 config_set_string (config_get_instance (), "Seat:*", "pam-greeter-service", "lightdm-greeter");
1387 if (!config_has_key (config_get_instance (), "Seat:*", "xserver-command"))
1388 config_set_string (config_get_instance (), "Seat:*", "xserver-command", "X");
1389 if (!config_has_key (config_get_instance (), "Seat:*", "xmir-command"))
1390 config_set_string (config_get_instance (), "Seat:*", "xmir-command", "Xmir");
1391 if (!config_has_key (config_get_instance (), "Seat:*", "xserver-share"))
1392 config_set_boolean (config_get_instance (), "Seat:*", "xserver-share", TRUE);
1393 if (!config_has_key (config_get_instance (), "Seat:*", "unity-compositor-command"))
1394 config_set_string (config_get_instance (), "Seat:*", "unity-compositor-command", "unity-system-compositor");
1395 if (!config_has_key (config_get_instance (), "Seat:*", "start-session"))
1396 config_set_boolean (config_get_instance (), "Seat:*", "start-session", TRUE);
1397 if (!config_has_key (config_get_instance (), "Seat:*", "allow-user-switching"))
1398 config_set_boolean (config_get_instance (), "Seat:*", "allow-user-switching", TRUE);
1399 if (!config_has_key (config_get_instance (), "Seat:*", "allow-guest"))
1400 config_set_boolean (config_get_instance (), "Seat:*", "allow-guest", TRUE);
1401 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-allow-guest"))
1402 config_set_boolean (config_get_instance (), "Seat:*", "greeter-allow-guest", TRUE);
1403 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-show-remote-login"))
1404 config_set_boolean (config_get_instance (), "Seat:*", "greeter-show-remote-login", TRUE);
1405 if (!config_has_key (config_get_instance (), "Seat:*", "greeter-session"))
1406 config_set_string (config_get_instance (), "Seat:*", "greeter-session", GREETER_SESSION);
1407 if (!config_has_key (config_get_instance (), "Seat:*", "user-session"))
1408 config_set_string (config_get_instance (), "Seat:*", "user-session", USER_SESSION);
1409 if (!config_has_key (config_get_instance (), "Seat:*", "session-wrapper"))
1410 config_set_string (config_get_instance (), "Seat:*", "session-wrapper", "lightdm-session");
1411 if (!config_has_key (config_get_instance (), "LightDM", "log-directory"))
1412 config_set_string (config_get_instance (), "LightDM", "log-directory", default_log_dir);
1413 g_free (default_log_dir);
1414 if (!config_has_key (config_get_instance (), "LightDM", "run-directory"))
1415 config_set_string (config_get_instance (), "LightDM", "run-directory", default_run_dir);
1416 g_free (default_run_dir);
1417 if (!config_has_key (config_get_instance (), "LightDM", "cache-directory"))
1418 config_set_string (config_get_instance (), "LightDM", "cache-directory", default_cache_dir);
1419 g_free (default_cache_dir);
1420 if (!config_has_key (config_get_instance (), "LightDM", "sessions-directory"))
1421 config_set_string (config_get_instance (), "LightDM", "sessions-directory", SESSIONS_DIR);
1422 if (!config_has_key (config_get_instance (), "LightDM", "remote-sessions-directory"))
1423 config_set_string (config_get_instance (), "LightDM", "remote-sessions-directory", REMOTE_SESSIONS_DIR);
1424 if (!config_has_key (config_get_instance (), "LightDM", "greeters-directory"))
1425 config_set_string (config_get_instance (), "LightDM", "greeters-directory", GREETERS_DIR);
1427 /* Override defaults */
1429 config_set_string (config_get_instance (), "LightDM", "log-directory", log_dir);
1432 config_set_string (config_get_instance (), "LightDM", "run-directory", run_dir);
1435 config_set_string (config_get_instance (), "LightDM", "cache-directory", cache_dir);
1438 /* Create run and cache directories */
1439 dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
1440 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1441 g_warning ("Failed to make log directory %s: %s", dir, strerror (errno));
1443 dir = config_get_string (config_get_instance (), "LightDM", "run-directory");
1444 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1445 g_warning ("Failed to make run directory %s: %s", dir, strerror (errno));
1447 dir = config_get_string (config_get_instance (), "LightDM", "cache-directory");
1448 if (g_mkdir_with_parents (dir, S_IRWXU | S_IXGRP | S_IXOTH) < 0)
1449 g_warning ("Failed to make cache directory %s: %s", dir, strerror (errno));
1454 /* Show queued messages once logging is complete */
1455 for (link = messages; link; link = link->next)
1456 g_debug ("%s", (gchar *)link->data);
1457 g_list_free_full (messages, g_free);
1459 g_debug ("Using D-Bus name %s", LIGHTDM_BUS_NAME);
1460 bus_id = g_bus_own_name (getuid () == 0 ? G_BUS_TYPE_SYSTEM : G_BUS_TYPE_SESSION,
1462 G_BUS_NAME_OWNER_FLAGS_NONE,
1470 g_debug ("Running in user mode");
1471 if (getenv ("DISPLAY"))
1472 g_debug ("Using Xephyr for X servers");
1474 display_manager = display_manager_new ();
1475 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_STOPPED, G_CALLBACK (display_manager_stopped_cb), NULL);
1476 g_signal_connect (display_manager, DISPLAY_MANAGER_SIGNAL_SEAT_REMOVED, G_CALLBACK (display_manager_seat_removed_cb), NULL);
1478 shared_data_manager_start (shared_data_manager_get_instance ());
1480 /* Connect to logind */
1481 if (login1_service_connect (login1_service_get_instance ()))
1483 /* Load dynamic seats from logind */
1484 g_debug ("Monitoring logind for seats");
1486 if (config_get_boolean (config_get_instance (), "LightDM", "start-default-seat"))
1488 g_signal_connect (login1_service_get_instance (), LOGIN1_SERVICE_SIGNAL_SEAT_ADDED, G_CALLBACK (login1_service_seat_added_cb), NULL);
1489 g_signal_connect (login1_service_get_instance (), LOGIN1_SERVICE_SIGNAL_SEAT_REMOVED, G_CALLBACK (login1_service_seat_removed_cb), NULL);
1491 for (link = login1_service_get_seats (login1_service_get_instance ()); link; link = link->next)
1493 Login1Seat *login1_seat = link->data;
1494 if (!login1_add_seat (login1_seat))
1495 return EXIT_FAILURE;
1501 if (config_get_boolean (config_get_instance (), "LightDM", "start-default-seat"))
1507 g_debug ("Adding default seat");
1509 types = config_get_string_list (config_get_instance (), "Seat:*", "type");
1510 for (type = types; type && *type; type++)
1512 seat = seat_new (*type, "seat0");
1519 set_seat_properties (seat, NULL);
1520 seat_set_property (seat, "exit-on-failure", "true");
1521 if (!display_manager_add_seat (display_manager, seat))
1522 return EXIT_FAILURE;
1523 g_object_unref (seat);
1527 g_warning ("Failed to create default seat");
1528 return EXIT_FAILURE;
1533 g_main_loop_run (loop);
1535 /* Clean up shared data manager */
1536 shared_data_manager_cleanup ();
1538 /* Clean up user list */
1539 common_user_list_cleanup ();
1541 /* Clean up display manager */
1542 g_clear_object (&display_manager);
1544 /* Remove D-Bus interface */
1545 g_dbus_connection_unregister_object (bus, reg_id);
1546 g_bus_unown_name (bus_id);
1547 if (seat_bus_entries)
1548 g_hash_table_unref (seat_bus_entries);
1549 if (session_bus_entries)
1550 g_hash_table_unref (session_bus_entries);
1552 g_debug ("Exiting with return value %d", exit_code);