2 * Copyright (C) 2010 Robert Ancell.
3 * Author: Robert Ancell <robert.ancell@canonical.com>
5 * This library is free software; you can redistribute it and/or modify it under
6 * the terms of the GNU Lesser General Public License as published by the Free
7 * Software Foundation; either version 2 or version 3 of the License.
8 * See http://www.gnu.org/copyleft/lgpl.html the full text of the license.
15 #include <security/pam_appl.h>
17 #include "lightdm/greeter.h"
21 PROP_DEFAULT_SESSION_HINT,
23 PROP_SHOW_MANUAL_LOGIN_HINT,
24 PROP_SHOW_REMOTE_LOGIN_HINT,
26 PROP_HAS_GUEST_ACCOUNT_HINT,
27 PROP_SELECT_USER_HINT,
28 PROP_SELECT_GUEST_HINT,
29 PROP_AUTOLOGIN_USER_HINT,
30 PROP_AUTOLOGIN_GUEST_HINT,
31 PROP_AUTOLOGIN_TIMEOUT_HINT,
32 PROP_AUTHENTICATION_USER,
33 PROP_IN_AUTHENTICATION,
34 PROP_IS_AUTHENTICATED,
40 AUTHENTICATION_COMPLETE,
41 AUTOLOGIN_TIMER_EXPIRED,
46 static guint signals[LAST_SIGNAL] = { 0 };
50 /* TRUE if the daemon can reuse this greeter */
53 /* Channel to write to daemon */
54 GIOChannel *to_server_channel;
56 /* Channel to read from daemon */
57 GIOChannel *from_server_channel;
59 /* Data read from the daemon */
63 gsize n_responses_waiting;
64 GList *responses_received;
66 /* TRUE if have got a connect response */
69 /* Pending connect requests */
70 GList *connect_requests;
72 /* Pending start session requests */
73 GList *start_session_requests;
75 /* Pending ensure shared data dir requests */
76 GList *ensure_shared_data_dir_requests;
78 /* Hints provided by the daemon */
81 /* Timeout source to notify greeter to autologin */
82 guint autologin_timeout;
84 gchar *authentication_user;
85 gboolean in_authentication;
86 gboolean is_authenticated;
87 guint32 authenticate_sequence_number;
88 gboolean cancelling_authentication;
89 } LightDMGreeterPrivate;
91 G_DEFINE_TYPE (LightDMGreeter, lightdm_greeter, G_TYPE_OBJECT);
93 #define GET_PRIVATE(obj) G_TYPE_INSTANCE_GET_PRIVATE ((obj), LIGHTDM_TYPE_GREETER, LightDMGreeterPrivate)
96 #define MAX_MESSAGE_LENGTH 1024
98 /* Messages from the greeter to the server */
101 GREETER_MESSAGE_CONNECT = 0,
102 GREETER_MESSAGE_AUTHENTICATE,
103 GREETER_MESSAGE_AUTHENTICATE_AS_GUEST,
104 GREETER_MESSAGE_CONTINUE_AUTHENTICATION,
105 GREETER_MESSAGE_START_SESSION,
106 GREETER_MESSAGE_CANCEL_AUTHENTICATION,
107 GREETER_MESSAGE_SET_LANGUAGE,
108 GREETER_MESSAGE_AUTHENTICATE_REMOTE,
109 GREETER_MESSAGE_ENSURE_SHARED_DIR,
112 /* Messages from the server to the greeter */
115 SERVER_MESSAGE_CONNECTED = 0,
116 SERVER_MESSAGE_PROMPT_AUTHENTICATION,
117 SERVER_MESSAGE_END_AUTHENTICATION,
118 SERVER_MESSAGE_SESSION_RESULT,
119 SERVER_MESSAGE_SHARED_DIR_RESULT,
121 SERVER_MESSAGE_RESET,
124 /* Request sent to server */
127 GObject parent_instance;
128 GCancellable *cancellable;
129 GAsyncReadyCallback callback;
137 GObjectClass parent_class;
139 GType request_get_type (void);
140 static void request_iface_init (GAsyncResultIface *iface);
141 #define REQUEST(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), request_get_type (), Request))
142 G_DEFINE_TYPE_WITH_CODE (Request, request, G_TYPE_OBJECT, G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_RESULT, request_iface_init));
145 lightdm_prompt_type_get_type (void)
147 static GType enum_type = 0;
149 if (G_UNLIKELY(enum_type == 0)) {
150 static const GEnumValue values[] = {
151 { LIGHTDM_PROMPT_TYPE_QUESTION, "LIGHTDM_PROMPT_TYPE_QUESTION", "question" },
152 { LIGHTDM_PROMPT_TYPE_SECRET, "LIGHTDM_PROMPT_TYPE_SECRET", "secret" },
155 enum_type = g_enum_register_static (g_intern_static_string ("LightDMPromptType"), values);
162 lightdm_message_type_get_type (void)
164 static GType enum_type = 0;
166 if (G_UNLIKELY(enum_type == 0)) {
167 static const GEnumValue values[] = {
168 { LIGHTDM_MESSAGE_TYPE_INFO, "LIGHTDM_MESSAGE_TYPE_INFO", "info" },
169 { LIGHTDM_MESSAGE_TYPE_ERROR, "LIGHTDM_MESSAGE_TYPE_ERROR", "error" },
172 enum_type = g_enum_register_static (g_intern_static_string ("LightDMMessageType"), values);
180 * lightdm_greeter_new:
182 * Create a new greeter.
184 * Return value: the new #LightDMGreeter
187 lightdm_greeter_new (void)
189 return g_object_new (LIGHTDM_TYPE_GREETER, NULL);
193 * lightdm_greeter_set_resettable:
194 * @greeter: A #LightDMGreeter
195 * @resettable: Whether the greeter wants to be reset instead of killed after the user logs in
197 * Set whether the greeter will be reset instead of killed after the user logs in.
198 * This must be called before lightdm_greeter_connect is called.
201 lightdm_greeter_set_resettable (LightDMGreeter *greeter, gboolean resettable)
203 LightDMGreeterPrivate *priv;
205 g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
207 priv = GET_PRIVATE (greeter);
209 g_return_if_fail (!priv->connected);
210 priv->resettable = resettable;
214 request_new (GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data)
218 request = g_object_new (request_get_type (), NULL);
220 request->cancellable = g_object_ref (cancellable);
221 request->callback = callback;
222 request->user_data = user_data;
228 request_complete (Request *request, GObject *object)
230 request->complete = TRUE;
232 if (!request->callback)
235 if (request->cancellable && g_cancellable_is_cancelled (request->cancellable))
238 request->callback (object, G_ASYNC_RESULT (request), request->user_data);
242 timed_login_cb (gpointer data)
244 LightDMGreeter *greeter = data;
245 LightDMGreeterPrivate *priv = GET_PRIVATE (greeter);
247 priv->autologin_timeout = 0;
248 g_signal_emit (G_OBJECT (greeter), signals[AUTOLOGIN_TIMER_EXPIRED], 0);
260 write_int (guint8 *buffer, gint buffer_length, guint32 value, gsize *offset)
262 if (*offset + 4 >= buffer_length)
264 buffer[*offset] = value >> 24;
265 buffer[*offset+1] = (value >> 16) & 0xFF;
266 buffer[*offset+2] = (value >> 8) & 0xFF;
267 buffer[*offset+3] = value & 0xFF;
272 write_string (guint8 *buffer, gint buffer_length, const gchar *value, gsize *offset)
277 length = strlen (value);
278 write_int (buffer, buffer_length, length, offset);
279 if (*offset + length >= buffer_length)
282 memcpy (buffer + *offset, value, length);
287 read_int (guint8 *message, gsize message_length, gsize *offset)
292 if (message_length - *offset < int_length ())
294 g_warning ("Not enough space for int, need %i, got %zi", int_length (), message_length - *offset);
298 buffer = message + *offset;
299 value = buffer[0] << 24 | buffer[1] << 16 | buffer[2] << 8 | buffer[3];
300 *offset += int_length ();
306 read_string (guint8 *message, gsize message_length, gsize *offset)
311 length = read_int (message, message_length, offset);
312 if (message_length - *offset < length)
314 g_warning ("Not enough space for string, need %u, got %zu", length, message_length - *offset);
315 return g_strdup ("");
318 value = g_malloc (sizeof (gchar) * (length + 1));
319 memcpy (value, message + *offset, length);
320 value[length] = '\0';
327 string_length (const gchar *value)
330 return int_length () + strlen (value);
332 return int_length ();
336 write_header (guint8 *buffer, gint buffer_length, guint32 id, guint32 length, gsize *offset)
338 write_int (buffer, buffer_length, id, offset);
339 write_int (buffer, buffer_length, length, offset);
343 get_message_length (guint8 *message, gsize message_length)
346 return read_int (message, message_length, &offset);
350 send_message (LightDMGreeter *greeter, guint8 *message, gsize message_length)
352 LightDMGreeterPrivate *priv = GET_PRIVATE (greeter);
355 GError *error = NULL;
356 guint32 stated_length;
358 if (!priv->to_server_channel)
361 /* Double check that we're sending well-formed messages. If we say we're
362 sending more than we do, we end up DOS'ing lightdm as it waits for the
363 rest. If we say we're sending less than we do, we confuse the heck out
364 of lightdm, as it starts reading headers from the middle of our
366 stated_length = HEADER_SIZE + get_message_length (message, message_length);
367 if (stated_length != message_length)
369 g_warning ("Refusing to write malformed packet to daemon: declared size is %u, but actual size is %zu", stated_length, message_length);
373 data = (gchar *) message;
374 data_length = message_length;
375 while (data_length > 0)
380 status = g_io_channel_write_chars (priv->to_server_channel, data, data_length, &n_written, &error);
382 g_warning ("Error writing to daemon: %s", error->message);
383 g_clear_error (&error);
384 if (status != G_IO_STATUS_NORMAL)
386 data_length -= n_written;
390 g_debug ("Wrote %zi bytes to daemon", message_length);
391 g_io_channel_flush (priv->to_server_channel, &error);
393 g_warning ("Failed to flush data to daemon: %s", error->message);
394 g_clear_error (&error);
400 handle_connected (LightDMGreeter *greeter, guint8 *message, gsize message_length, gsize *offset)
402 LightDMGreeterPrivate *priv = GET_PRIVATE (greeter);
404 GString *hint_string;
408 version = read_string (message, message_length, offset);
409 hint_string = g_string_new ("");
410 while (*offset < message_length)
414 name = read_string (message, message_length, offset);
415 value = read_string (message, message_length, offset);
416 g_hash_table_insert (priv->hints, name, value);
417 g_string_append_printf (hint_string, " %s=%s", name, value);
420 priv->connected = TRUE;
421 g_debug ("Connected version=%s%s", version, hint_string->str);
423 g_string_free (hint_string, TRUE);
425 /* Set timeout for default login */
426 timeout = lightdm_greeter_get_autologin_timeout_hint (greeter);
429 g_debug ("Setting autologin timer for %d seconds", timeout);
430 priv->autologin_timeout = g_timeout_add (timeout * 1000, timed_login_cb, greeter);
433 /* Notify asynchronous caller */
434 request = g_list_nth_data (priv->connect_requests, 0);
437 request_complete (request, G_OBJECT (greeter));
438 priv->connect_requests = g_list_remove (priv->connect_requests, request);
439 g_object_unref (request);
444 handle_prompt_authentication (LightDMGreeter *greeter, guint8 *message, gsize message_length, gsize *offset)
446 LightDMGreeterPrivate *priv = GET_PRIVATE (greeter);
447 guint32 sequence_number, n_messages, i;
450 sequence_number = read_int (message, message_length, offset);
451 if (sequence_number != priv->authenticate_sequence_number)
453 g_debug ("Ignoring prompt authentication with invalid sequence number %d", sequence_number);
457 if (priv->cancelling_authentication)
459 g_debug ("Ignoring prompt authentication as waiting for it to cancel");
463 /* Update username */
464 username = read_string (message, message_length, offset);
465 if (strcmp (username, "") == 0)
470 g_free (priv->authentication_user);
471 priv->authentication_user = username;
473 g_list_free_full (priv->responses_received, g_free);
474 priv->responses_received = NULL;
475 priv->n_responses_waiting = 0;
477 n_messages = read_int (message, message_length, offset);
478 g_debug ("Prompt user with %d message(s)", n_messages);
480 for (i = 0; i < n_messages; i++)
485 style = read_int (message, message_length, offset);
486 text = read_string (message, message_length, offset);
488 // FIXME: Should stop on prompts?
491 case PAM_PROMPT_ECHO_OFF:
492 priv->n_responses_waiting++;
493 g_signal_emit (G_OBJECT (greeter), signals[SHOW_PROMPT], 0, text, LIGHTDM_PROMPT_TYPE_SECRET);
495 case PAM_PROMPT_ECHO_ON:
496 priv->n_responses_waiting++;
497 g_signal_emit (G_OBJECT (greeter), signals[SHOW_PROMPT], 0, text, LIGHTDM_PROMPT_TYPE_QUESTION);
500 g_signal_emit (G_OBJECT (greeter), signals[SHOW_MESSAGE], 0, text, LIGHTDM_MESSAGE_TYPE_ERROR);
503 g_signal_emit (G_OBJECT (greeter), signals[SHOW_MESSAGE], 0, text, LIGHTDM_MESSAGE_TYPE_INFO);
512 handle_end_authentication (LightDMGreeter *greeter, guint8 *message, gsize message_length, gsize *offset)
514 LightDMGreeterPrivate *priv = GET_PRIVATE (greeter);
515 guint32 sequence_number, return_code;
518 sequence_number = read_int (message, message_length, offset);
520 if (sequence_number != priv->authenticate_sequence_number)
522 g_debug ("Ignoring end authentication with invalid sequence number %d", sequence_number);
526 username = read_string (message, message_length, offset);
527 return_code = read_int (message, message_length, offset);
529 g_debug ("Authentication complete for user %s with return code %d", username, return_code);
531 /* Update username */
532 if (strcmp (username, "") == 0)
537 g_free (priv->authentication_user);
538 priv->authentication_user = username;
540 priv->cancelling_authentication = FALSE;
541 priv->is_authenticated = (return_code == 0);
543 priv->in_authentication = FALSE;
544 g_signal_emit (G_OBJECT (greeter), signals[AUTHENTICATION_COMPLETE], 0);
548 handle_idle (LightDMGreeter *greeter, guint8 *message, gsize message_length, gsize *offset)
550 g_signal_emit (G_OBJECT (greeter), signals[IDLE], 0);
554 handle_reset (LightDMGreeter *greeter, guint8 *message, gsize message_length, gsize *offset)
556 LightDMGreeterPrivate *priv = GET_PRIVATE (greeter);
557 GString *hint_string;
559 g_hash_table_remove_all (priv->hints);
561 hint_string = g_string_new ("");
562 while (*offset < message_length)
566 name = read_string (message, message_length, offset);
567 value = read_string (message, message_length, offset);
568 g_hash_table_insert (priv->hints, name, value);
569 g_string_append_printf (hint_string, " %s=%s", name, value);
572 g_debug ("Reset%s", hint_string->str);
573 g_string_free (hint_string, TRUE);
575 g_signal_emit (G_OBJECT (greeter), signals[RESET], 0);
579 handle_session_result (LightDMGreeter *greeter, guint8 *message, gsize message_length, gsize *offset)
581 LightDMGreeterPrivate *priv = GET_PRIVATE (greeter);
584 /* Notify asynchronous caller */
585 request = g_list_nth_data (priv->start_session_requests, 0);
588 request->return_code = read_int (message, message_length, offset);
589 request_complete (request, G_OBJECT (greeter));
590 priv->start_session_requests = g_list_remove (priv->start_session_requests, request);
591 g_object_unref (request);
596 handle_shared_dir_result (LightDMGreeter *greeter, guint8 *message, gsize message_length, gsize *offset)
598 LightDMGreeterPrivate *priv = GET_PRIVATE (greeter);
601 /* Notify asynchronous caller */
602 request = g_list_nth_data (priv->ensure_shared_data_dir_requests, 0);
605 request->dir = read_string (message, message_length, offset);
606 /* Blank data dir means invalid user */
607 if (g_strcmp0 (request->dir, "") == 0)
609 g_free (request->dir);
612 request_complete (request, G_OBJECT (greeter));
613 priv->ensure_shared_data_dir_requests = g_list_remove (priv->ensure_shared_data_dir_requests, request);
614 g_object_unref (request);
619 handle_message (LightDMGreeter *greeter, guint8 *message, gsize message_length)
624 id = read_int (message, message_length, &offset);
625 read_int (message, message_length, &offset);
628 case SERVER_MESSAGE_CONNECTED:
629 handle_connected (greeter, message, message_length, &offset);
631 case SERVER_MESSAGE_PROMPT_AUTHENTICATION:
632 handle_prompt_authentication (greeter, message, message_length, &offset);
634 case SERVER_MESSAGE_END_AUTHENTICATION:
635 handle_end_authentication (greeter, message, message_length, &offset);
637 case SERVER_MESSAGE_SESSION_RESULT:
638 handle_session_result (greeter, message, message_length, &offset);
640 case SERVER_MESSAGE_SHARED_DIR_RESULT:
641 handle_shared_dir_result (greeter, message, message_length, &offset);
643 case SERVER_MESSAGE_IDLE:
644 handle_idle (greeter, message, message_length, &offset);
646 case SERVER_MESSAGE_RESET:
647 handle_reset (greeter, message, message_length, &offset);
650 g_warning ("Unknown message from server: %d", id);
656 recv_message (LightDMGreeter *greeter, gsize *length, gboolean block)
658 LightDMGreeterPrivate *priv = GET_PRIVATE (greeter);
659 gsize n_to_read, n_read;
661 GError *error = NULL;
663 if (!priv->from_server_channel)
666 /* Read the header, or the whole message if we already have that */
667 n_to_read = HEADER_SIZE;
668 if (priv->n_read >= HEADER_SIZE)
669 n_to_read += get_message_length (priv->read_buffer, priv->n_read);
674 status = g_io_channel_read_chars (priv->from_server_channel,
675 (gchar *) priv->read_buffer + priv->n_read,
676 n_to_read - priv->n_read,
680 g_warning ("Error reading from server: %s", error->message);
681 g_clear_error (&error);
682 if (status != G_IO_STATUS_NORMAL)
685 g_debug ("Read %zi bytes from daemon", n_read);
687 priv->n_read += n_read;
688 } while (priv->n_read < n_to_read && block);
690 /* Stop if haven't got all the data we want */
691 if (priv->n_read != n_to_read)
694 /* If have header, rerun for content */
695 if (priv->n_read == HEADER_SIZE)
697 n_to_read = get_message_length (priv->read_buffer, priv->n_read);
700 priv->read_buffer = g_realloc (priv->read_buffer, HEADER_SIZE + n_to_read);
701 return recv_message (greeter, length, block);
705 buffer = priv->read_buffer;
706 *length = priv->n_read;
708 priv->read_buffer = g_malloc (priv->n_read);
715 from_server_cb (GIOChannel *source, GIOCondition condition, gpointer data)
717 LightDMGreeter *greeter = data;
719 gsize message_length;
721 /* Read one message and process it */
722 message = recv_message (greeter, &message_length, FALSE);
725 handle_message (greeter, message, message_length);
733 send_connect (LightDMGreeter *greeter, gboolean resettable)
735 guint8 message[MAX_MESSAGE_LENGTH];
738 g_debug ("Connecting to display manager...");
739 write_header (message, MAX_MESSAGE_LENGTH, GREETER_MESSAGE_CONNECT, string_length (VERSION) + int_length (), &offset);
740 write_string (message, MAX_MESSAGE_LENGTH, VERSION, &offset);
741 write_int (message, MAX_MESSAGE_LENGTH, resettable ? 1 : 0, &offset);
743 return send_message (greeter, message, offset);
747 send_start_session (LightDMGreeter *greeter, const gchar *session)
749 guint8 message[MAX_MESSAGE_LENGTH];
753 g_debug ("Starting session %s", session);
755 g_debug ("Starting default session");
757 write_header (message, MAX_MESSAGE_LENGTH, GREETER_MESSAGE_START_SESSION, string_length (session), &offset);
758 write_string (message, MAX_MESSAGE_LENGTH, session, &offset);
759 return send_message (greeter, message, offset);
763 send_ensure_shared_data_dir (LightDMGreeter *greeter, const gchar *username)
765 guint8 message[MAX_MESSAGE_LENGTH];
768 g_debug ("Ensuring data directory for user %s", username);
770 write_header (message, MAX_MESSAGE_LENGTH, GREETER_MESSAGE_ENSURE_SHARED_DIR, string_length (username), &offset);
771 write_string (message, MAX_MESSAGE_LENGTH, username, &offset);
772 return send_message (greeter, message, offset);
776 * lightdm_greeter_connect_to_daemon:
777 * @greeter: The greeter to connect
778 * @cancellable: (allow-none): A #GCancellable or %NULL.
779 * @callback: (allow-none): A #GAsyncReadyCallback to call when completed or %NULL.
780 * @user_data: (allow-none): data to pass to the @callback or %NULL.
782 * Asynchronously connects the greeter to the display manager.
784 * When the operation is finished, @callback will be invoked. You can then call lightdm_greeter_connect_to_daemon_finish() to get the result of the operation.
786 * See lightdm_greeter_connect_to_daemon_sync() for the synchronous version.
789 lightdm_greeter_connect_to_daemon (LightDMGreeter *greeter, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data)
791 LightDMGreeterPrivate *priv;
794 g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
796 priv = GET_PRIVATE (greeter);
798 request = request_new (cancellable, callback, user_data);
799 priv->connect_requests = g_list_append (priv->connect_requests, request);
800 send_connect (greeter, priv->resettable);
804 * lightdm_greeter_connect_to_daemon_finish:
805 * @result: A #GAsyncResult.
806 * @error: return location for a #GError, or %NULL
808 * Finishes an operation started with lightdm_greeter_connect_to_daemon().
810 * Return value: #TRUE if successfully connected
813 lightdm_greeter_connect_to_daemon_finish (LightDMGreeter *greeter, GAsyncResult *result, GError **error)
815 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
816 return REQUEST (result)->complete;
820 * lightdm_greeter_connect_to_daemon_sync:
821 * @greeter: The greeter to connect
822 * @error: return location for a #GError, or %NULL
824 * Connects the greeter to the display manager. Will block until connected.
826 * Return value: #TRUE if successfully connected
829 lightdm_greeter_connect_to_daemon_sync (LightDMGreeter *greeter, GError **error)
831 LightDMGreeterPrivate *priv;
834 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
836 priv = GET_PRIVATE (greeter);
838 /* Read until we are connected */
839 send_connect (greeter, priv->resettable);
840 request = request_new (NULL, NULL, NULL);
841 priv->connect_requests = g_list_append (priv->connect_requests, g_object_ref (request));
845 gsize message_length;
847 message = recv_message (greeter, &message_length, TRUE);
850 handle_message (greeter, message, message_length);
852 } while (!request->complete);
854 g_object_unref (request);
856 return request->complete;
860 * lightdm_greeter_connect_sync:
861 * @greeter: The greeter to connect
862 * @error: return location for a #GError, or %NULL
864 * Connects the greeter to the display manager. Will block until connected.
866 * Return value: #TRUE if successfully connected
868 * Deprecated: 1.11.1: Use lightdm_greeter_connect_to_daemon_sync() instead
871 lightdm_greeter_connect_sync (LightDMGreeter *greeter, GError **error)
873 return lightdm_greeter_connect_to_daemon_sync (greeter, error);
877 * lightdm_greeter_get_hint:
878 * @greeter: A #LightDMGreeter
879 * @name: The hint name to query.
883 * Return value: (nullable): The value for this hint or #NULL if not set.
886 lightdm_greeter_get_hint (LightDMGreeter *greeter, const gchar *name)
888 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), NULL);
889 return g_hash_table_lookup (GET_PRIVATE (greeter)->hints, name);
893 * lightdm_greeter_get_default_session_hint:
894 * @greeter: A #LightDMGreeter
896 * Get the default session to use.
898 * Return value: The session name
901 lightdm_greeter_get_default_session_hint (LightDMGreeter *greeter)
903 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), NULL);
904 return lightdm_greeter_get_hint (greeter, "default-session");
908 * lightdm_greeter_get_hide_users_hint:
909 * @greeter: A #LightDMGreeter
911 * Check if user accounts should be shown. If this is TRUE then the list of
912 * accounts should be taken from #LightDMUserList and displayed in the greeter
913 * for the user to choose from. Note that this list can be empty and it is
914 * recommended you show a method for the user to enter a username manually.
916 * If this option is shown the greeter should only allow these users to be
917 * chosen for login unless the manual login hint is set.
919 * Return value: #TRUE if the available users should not be shown.
922 lightdm_greeter_get_hide_users_hint (LightDMGreeter *greeter)
926 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
927 value = lightdm_greeter_get_hint (greeter, "hide-users");
929 return g_strcmp0 (value, "true") == 0;
933 * lightdm_greeter_get_show_manual_login_hint:
934 * @greeter: A #LightDMGreeter
936 * Check if a manual login option should be shown. If set the GUI
937 * should provide a way for a username to be entered manually.
938 * Without this hint a greeter which is showing a user list can
939 * limit logins to only those users.
941 * Return value: #TRUE if a manual login option should be shown.
944 lightdm_greeter_get_show_manual_login_hint (LightDMGreeter *greeter)
948 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
949 value = lightdm_greeter_get_hint (greeter, "show-manual-login");
951 return g_strcmp0 (value, "true") == 0;
955 * lightdm_greeter_get_show_remote_login_hint:
956 * @greeter: A #LightDMGreeter
958 * Check if a remote login option should be shown. If set the GUI
959 * should provide a way for a user to log into a remote desktop server.
961 * Return value: #TRUE if a remote login option should be shown.
964 lightdm_greeter_get_show_remote_login_hint (LightDMGreeter *greeter)
968 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
969 value = lightdm_greeter_get_hint (greeter, "show-remote-login");
971 return g_strcmp0 (value, "true") == 0;
975 * lightdm_greeter_get_lock_hint:
976 * @greeter: A #LightDMGreeter
978 * Check if the greeter is acting as a lock screen.
980 * Return value: #TRUE if the greeter was triggered by locking the seat.
983 lightdm_greeter_get_lock_hint (LightDMGreeter *greeter)
987 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
988 value = lightdm_greeter_get_hint (greeter, "lock-screen");
990 return g_strcmp0 (value, "true") == 0;
994 * lightdm_greeter_get_has_guest_account_hint:
995 * @greeter: A #LightDMGreeter
997 * Check if guest sessions are supported.
999 * Return value: #TRUE if guest sessions are supported.
1002 lightdm_greeter_get_has_guest_account_hint (LightDMGreeter *greeter)
1006 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
1007 value = lightdm_greeter_get_hint (greeter, "has-guest-account");
1009 return g_strcmp0 (value, "true") == 0;
1013 * lightdm_greeter_get_select_user_hint:
1014 * @greeter: A #LightDMGreeter
1016 * Get the user to select by default.
1018 * Return value: (nullable): A username or %NULL if no particular user should be selected.
1021 lightdm_greeter_get_select_user_hint (LightDMGreeter *greeter)
1023 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), NULL);
1024 return lightdm_greeter_get_hint (greeter, "select-user");
1028 * lightdm_greeter_get_select_guest_hint:
1029 * @greeter: A #LightDMGreeter
1031 * Check if the guest account should be selected by default.
1033 * Return value: #TRUE if the guest account should be selected by default.
1036 lightdm_greeter_get_select_guest_hint (LightDMGreeter *greeter)
1040 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
1041 value = lightdm_greeter_get_hint (greeter, "select-guest");
1043 return g_strcmp0 (value, "true") == 0;
1047 * lightdm_greeter_get_autologin_user_hint:
1048 * @greeter: A #LightDMGreeter
1050 * Get the user account to automatically log into when the timer expires.
1052 * Return value: (nullable): The user account to automatically log into or %NULL if none configured.
1055 lightdm_greeter_get_autologin_user_hint (LightDMGreeter *greeter)
1057 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), NULL);
1058 return lightdm_greeter_get_hint (greeter, "autologin-user");
1062 * lightdm_greeter_get_autologin_guest_hint:
1063 * @greeter: A #LightDMGreeter
1065 * Check if the guest account should be automatically logged into when the timer expires.
1067 * Return value: #TRUE if the guest account should be automatically logged into.
1070 lightdm_greeter_get_autologin_guest_hint (LightDMGreeter *greeter)
1074 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
1075 value = lightdm_greeter_get_hint (greeter, "autologin-guest");
1077 return g_strcmp0 (value, "true") == 0;
1081 * lightdm_greeter_get_autologin_timeout_hint:
1082 * @greeter: A #LightDMGreeter
1084 * Get the number of seconds to wait before automaitcally logging in.
1086 * Return value: The number of seconds to wait before automatically logging in or 0 for no timeout.
1089 lightdm_greeter_get_autologin_timeout_hint (LightDMGreeter *greeter)
1094 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
1095 value = lightdm_greeter_get_hint (greeter, "autologin-timeout");
1097 timeout = atoi (value);
1105 * lightdm_greeter_cancel_autologin:
1106 * @greeter: A #LightDMGreeter
1108 * Cancel the automatic login.
1111 lightdm_greeter_cancel_autologin (LightDMGreeter *greeter)
1113 LightDMGreeterPrivate *priv;
1115 g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
1117 priv = GET_PRIVATE (greeter);
1119 if (priv->autologin_timeout)
1120 g_source_remove (priv->autologin_timeout);
1121 priv->autologin_timeout = 0;
1125 * lightdm_greeter_authenticate:
1126 * @greeter: A #LightDMGreeter
1127 * @username: (allow-none): A username or #NULL to prompt for a username.
1129 * Starts the authentication procedure for a user.
1132 lightdm_greeter_authenticate (LightDMGreeter *greeter, const gchar *username)
1134 LightDMGreeterPrivate *priv;
1135 guint8 message[MAX_MESSAGE_LENGTH];
1138 g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
1140 priv = GET_PRIVATE (greeter);
1142 g_return_if_fail (priv->connected);
1144 priv->cancelling_authentication = FALSE;
1145 priv->authenticate_sequence_number++;
1146 priv->in_authentication = TRUE;
1147 priv->is_authenticated = FALSE;
1148 if (username != priv->authentication_user)
1150 g_free (priv->authentication_user);
1151 priv->authentication_user = g_strdup (username);
1154 g_debug ("Starting authentication for user %s...", username);
1155 write_header (message, MAX_MESSAGE_LENGTH, GREETER_MESSAGE_AUTHENTICATE, int_length () + string_length (username), &offset);
1156 write_int (message, MAX_MESSAGE_LENGTH, priv->authenticate_sequence_number, &offset);
1157 write_string (message, MAX_MESSAGE_LENGTH, username, &offset);
1158 send_message (greeter, message, offset);
1162 * lightdm_greeter_authenticate_as_guest:
1163 * @greeter: A #LightDMGreeter
1165 * Starts the authentication procedure for the guest user.
1168 lightdm_greeter_authenticate_as_guest (LightDMGreeter *greeter)
1170 LightDMGreeterPrivate *priv;
1171 guint8 message[MAX_MESSAGE_LENGTH];
1174 g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
1176 priv = GET_PRIVATE (greeter);
1178 g_return_if_fail (priv->connected);
1180 priv->cancelling_authentication = FALSE;
1181 priv->authenticate_sequence_number++;
1182 priv->in_authentication = TRUE;
1183 priv->is_authenticated = FALSE;
1184 g_free (priv->authentication_user);
1185 priv->authentication_user = NULL;
1187 g_debug ("Starting authentication for guest account...");
1188 write_header (message, MAX_MESSAGE_LENGTH, GREETER_MESSAGE_AUTHENTICATE_AS_GUEST, int_length (), &offset);
1189 write_int (message, MAX_MESSAGE_LENGTH, priv->authenticate_sequence_number, &offset);
1190 send_message (greeter, message, offset);
1194 * lightdm_greeter_authenticate_autologin:
1195 * @greeter: A #LightDMGreeter
1197 * Starts the authentication procedure for the automatic login user.
1200 lightdm_greeter_authenticate_autologin (LightDMGreeter *greeter)
1204 user = lightdm_greeter_get_autologin_user_hint (greeter);
1205 if (lightdm_greeter_get_autologin_guest_hint (greeter))
1206 lightdm_greeter_authenticate_as_guest (greeter);
1208 lightdm_greeter_authenticate (greeter, user);
1212 * lightdm_greeter_authenticate_remote:
1213 * @greeter: A #LightDMGreeter
1214 * @session: The name of a remote session
1215 * @username: (allow-none): A username of #NULL to prompt for a username.
1217 * Start authentication for a remote session type.
1220 lightdm_greeter_authenticate_remote (LightDMGreeter *greeter, const gchar *session, const gchar *username)
1222 LightDMGreeterPrivate *priv;
1223 guint8 message[MAX_MESSAGE_LENGTH];
1226 g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
1228 priv = GET_PRIVATE (greeter);
1230 g_return_if_fail (priv->connected);
1232 priv->cancelling_authentication = FALSE;
1233 priv->authenticate_sequence_number++;
1234 priv->in_authentication = TRUE;
1235 priv->is_authenticated = FALSE;
1236 g_free (priv->authentication_user);
1237 priv->authentication_user = NULL;
1240 g_debug ("Starting authentication for remote session %s as user %s...", session, username);
1242 g_debug ("Starting authentication for remote session %s...", session);
1243 write_header (message, MAX_MESSAGE_LENGTH, GREETER_MESSAGE_AUTHENTICATE_REMOTE, int_length () + string_length (session) + string_length (username), &offset);
1244 write_int (message, MAX_MESSAGE_LENGTH, priv->authenticate_sequence_number, &offset);
1245 write_string (message, MAX_MESSAGE_LENGTH, session, &offset);
1246 write_string (message, MAX_MESSAGE_LENGTH, username, &offset);
1247 send_message (greeter, message, offset);
1251 * lightdm_greeter_respond:
1252 * @greeter: A #LightDMGreeter
1253 * @response: Response to a prompt
1255 * Provide response to a prompt. May be one in a series.
1258 lightdm_greeter_respond (LightDMGreeter *greeter, const gchar *response)
1260 LightDMGreeterPrivate *priv;
1261 guint8 message[MAX_MESSAGE_LENGTH];
1264 g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
1265 g_return_if_fail (response != NULL);
1267 priv = GET_PRIVATE (greeter);
1269 g_return_if_fail (priv->connected);
1270 g_return_if_fail (priv->n_responses_waiting > 0);
1272 priv->n_responses_waiting--;
1273 priv->responses_received = g_list_append (priv->responses_received, g_strdup (response));
1275 if (priv->n_responses_waiting == 0)
1280 g_debug ("Providing response to display manager");
1282 msg_length = int_length ();
1283 for (iter = priv->responses_received; iter; iter = iter->next)
1284 msg_length += string_length ((gchar *)iter->data);
1286 write_header (message, MAX_MESSAGE_LENGTH, GREETER_MESSAGE_CONTINUE_AUTHENTICATION, msg_length, &offset);
1287 write_int (message, MAX_MESSAGE_LENGTH, g_list_length (priv->responses_received), &offset);
1288 for (iter = priv->responses_received; iter; iter = iter->next)
1289 write_string (message, MAX_MESSAGE_LENGTH, (gchar *)iter->data, &offset);
1290 send_message (greeter, message, offset);
1292 g_list_free_full (priv->responses_received, g_free);
1293 priv->responses_received = NULL;
1298 * lightdm_greeter_cancel_authentication:
1299 * @greeter: A #LightDMGreeter
1301 * Cancel the current user authentication.
1304 lightdm_greeter_cancel_authentication (LightDMGreeter *greeter)
1306 LightDMGreeterPrivate *priv;
1307 guint8 message[MAX_MESSAGE_LENGTH];
1310 g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
1312 priv = GET_PRIVATE (greeter);
1314 g_return_if_fail (priv->connected);
1316 priv->cancelling_authentication = TRUE;
1317 write_header (message, MAX_MESSAGE_LENGTH, GREETER_MESSAGE_CANCEL_AUTHENTICATION, 0, &offset);
1318 send_message (greeter, message, offset);
1322 * lightdm_greeter_get_in_authentication:
1323 * @greeter: A #LightDMGreeter
1325 * Checks if the greeter is in the process of authenticating.
1327 * Return value: #TRUE if the greeter is authenticating a user.
1330 lightdm_greeter_get_in_authentication (LightDMGreeter *greeter)
1332 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
1333 return GET_PRIVATE (greeter)->in_authentication;
1337 * lightdm_greeter_get_is_authenticated:
1338 * @greeter: A #LightDMGreeter
1340 * Checks if the greeter has successfully authenticated.
1342 * Return value: #TRUE if the greeter is authenticated for login.
1345 lightdm_greeter_get_is_authenticated (LightDMGreeter *greeter)
1347 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
1348 return GET_PRIVATE (greeter)->is_authenticated;
1352 * lightdm_greeter_get_authentication_user:
1353 * @greeter: A #LightDMGreeter
1355 * Get the user that is being authenticated.
1357 * Return value: (nullable): The username of the authentication user being authenticated or #NULL if no authentication in progress.
1360 lightdm_greeter_get_authentication_user (LightDMGreeter *greeter)
1362 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), NULL);
1363 return GET_PRIVATE (greeter)->authentication_user;
1367 * lightdm_greeter_set_language:
1368 * @greeter: A #LightDMGreeter
1369 * @language: The language to use for this user in the form of a locale specification (e.g. "de_DE.UTF-8").
1371 * Set the language for the currently authenticated user.
1374 lightdm_greeter_set_language (LightDMGreeter *greeter, const gchar *language)
1376 LightDMGreeterPrivate *priv;
1377 guint8 message[MAX_MESSAGE_LENGTH];
1380 g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
1382 priv = GET_PRIVATE (greeter);
1384 g_return_if_fail (priv->connected);
1386 write_header (message, MAX_MESSAGE_LENGTH, GREETER_MESSAGE_SET_LANGUAGE, string_length (language), &offset);
1387 write_string (message, MAX_MESSAGE_LENGTH, language, &offset);
1388 send_message (greeter, message, offset);
1392 * lightdm_greeter_start_session:
1393 * @greeter: A #LightDMGreeter
1394 * @session: (allow-none): The session to log into or #NULL to use the default.
1395 * @cancellable: (allow-none): A #GCancellable or %NULL.
1396 * @callback: (allow-none): A #GAsyncReadyCallback to call when completed or %NULL.
1397 * @user_data: (allow-none): data to pass to the @callback or %NULL.
1399 * Asynchronously start a session for the authenticated user.
1401 * When the operation is finished, @callback will be invoked. You can then call lightdm_greeter_start_session_finish() to get the result of the operation.
1403 * See lightdm_greeter_start_session_sync() for the synchronous version.
1406 lightdm_greeter_start_session (LightDMGreeter *greeter, const gchar *session, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data)
1408 LightDMGreeterPrivate *priv;
1411 g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
1413 priv = GET_PRIVATE (greeter);
1415 send_start_session (greeter, session);
1416 request = request_new (cancellable, callback, user_data);
1417 priv->start_session_requests = g_list_append (priv->start_session_requests, request);
1421 * lightdm_greeter_start_session_finish:
1422 * @greeter: A #LightDMGreeter
1423 * @result: A #GAsyncResult.
1424 * @error: return location for a #GError, or %NULL
1426 * Start a session for the authenticated user.
1428 * Return value: TRUE if the session was started.
1431 lightdm_greeter_start_session_finish (LightDMGreeter *greeter, GAsyncResult *result, GError **error)
1433 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
1434 return REQUEST (result)->return_code == 0;
1438 * lightdm_greeter_start_session_sync:
1439 * @greeter: A #LightDMGreeter
1440 * @session: (allow-none): The session to log into or #NULL to use the default.
1441 * @error: return location for a #GError, or %NULL
1443 * Start a session for the authenticated user.
1445 * Return value: TRUE if the session was started.
1448 lightdm_greeter_start_session_sync (LightDMGreeter *greeter, const gchar *session, GError **error)
1450 LightDMGreeterPrivate *priv;
1452 guint32 return_code;
1454 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), FALSE);
1456 priv = GET_PRIVATE (greeter);
1458 g_return_val_if_fail (priv->connected, FALSE);
1459 g_return_val_if_fail (priv->is_authenticated, FALSE);
1461 /* Read until the session is started */
1462 send_start_session (greeter, session);
1463 request = request_new (NULL, NULL, NULL);
1464 priv->start_session_requests = g_list_append (priv->start_session_requests, g_object_ref (request));
1468 gsize message_length;
1470 message = recv_message (greeter, &message_length, TRUE);
1473 handle_message (greeter, message, message_length);
1475 } while (!request->complete);
1477 return_code = request->return_code;
1478 g_object_unref (request);
1480 return return_code == 0;
1484 * lightdm_greeter_ensure_shared_data_dir:
1485 * @greeter: A #LightDMGreeter
1486 * @username: A username
1487 * @cancellable: (allow-none): A #GCancellable or %NULL.
1488 * @callback: (allow-none): A #GAsyncReadyCallback to call when completed or %NULL.
1489 * @user_data: (allow-none): data to pass to the @callback or %NULL.
1491 * Ensure that a shared data dir for the given user is available. Both the
1492 * greeter user and @username will have write access to that folder. The
1493 * intention is that larger pieces of shared data would be stored there (files
1494 * that the greeter creates but wants to give to a user -- like camera
1495 * photos -- or files that the user creates but wants the greeter to
1496 * see -- like contact avatars).
1498 * LightDM will automatically create these if the user actually logs in, so
1499 * greeters only need to call this method if they want to store something in
1500 * the directory themselves.
1503 lightdm_greeter_ensure_shared_data_dir (LightDMGreeter *greeter, const gchar *username, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data)
1505 LightDMGreeterPrivate *priv;
1508 g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
1510 priv = GET_PRIVATE (greeter);
1512 send_ensure_shared_data_dir (greeter, username);
1513 request = request_new (cancellable, callback, user_data);
1514 priv->ensure_shared_data_dir_requests = g_list_append (priv->ensure_shared_data_dir_requests, request);
1518 * lightdm_greeter_ensure_shared_data_dir_finish:
1519 * @result: A #GAsyncResult.
1520 * @greeter: A #LightDMGreeter
1522 * Function to call from lightdm_greeter_ensure_shared_data_dir callback.
1524 * Return value: The path to the shared directory, free with g_free.
1527 lightdm_greeter_ensure_shared_data_dir_finish (LightDMGreeter *greeter, GAsyncResult *result)
1529 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), NULL);
1530 return g_strdup (REQUEST (result)->dir);
1534 * lightdm_greeter_ensure_shared_data_dir_sync:
1535 * @greeter: A #LightDMGreeter
1536 * @username: A username
1538 * Ensure that a shared data dir for the given user is available. Both the
1539 * greeter user and @username will have write access to that folder. The
1540 * intention is that larger pieces of shared data would be stored there (files
1541 * that the greeter creates but wants to give to a user -- like camera
1542 * photos -- or files that the user creates but wants the greeter to
1543 * see -- like contact avatars).
1545 * LightDM will automatically create these if the user actually logs in, so
1546 * greeters only need to call this method if they want to store something in
1547 * the directory themselves.
1549 * Return value: The path to the shared directory, free with g_free.
1552 lightdm_greeter_ensure_shared_data_dir_sync (LightDMGreeter *greeter, const gchar *username)
1554 LightDMGreeterPrivate *priv;
1558 g_return_val_if_fail (LIGHTDM_IS_GREETER (greeter), NULL);
1560 priv = GET_PRIVATE (greeter);
1562 g_return_val_if_fail (priv->connected, NULL);
1564 /* Read until a response */
1565 send_ensure_shared_data_dir (greeter, username);
1566 request = request_new (NULL, NULL, NULL);
1567 priv->ensure_shared_data_dir_requests = g_list_append (priv->ensure_shared_data_dir_requests, g_object_ref (request));
1571 gsize message_length;
1573 message = recv_message (greeter, &message_length, TRUE);
1576 handle_message (greeter, message, message_length);
1578 } while (!request->complete);
1580 data_dir = g_strdup (request->dir);
1581 g_object_unref (request);
1587 lightdm_greeter_init (LightDMGreeter *greeter)
1589 LightDMGreeterPrivate *priv = GET_PRIVATE (greeter);
1592 priv->read_buffer = g_malloc (HEADER_SIZE);
1593 priv->hints = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
1595 fd = g_getenv ("LIGHTDM_TO_SERVER_FD");
1598 GError *error = NULL;
1600 priv->to_server_channel = g_io_channel_unix_new (atoi (fd));
1601 g_io_channel_set_encoding (priv->to_server_channel, NULL, &error);
1603 g_warning ("Failed to set encoding on to server channel to binary: %s\n", error->message);
1604 g_clear_error (&error);
1607 g_warning ("No LIGHTDM_TO_SERVER_FD environment variable");
1609 fd = g_getenv ("LIGHTDM_FROM_SERVER_FD");
1612 GError *error = NULL;
1614 priv->from_server_channel = g_io_channel_unix_new (atoi (fd));
1615 g_io_channel_set_encoding (priv->from_server_channel, NULL, &error);
1617 g_warning ("Failed to set encoding on from server channel to binary: %s\n", error->message);
1618 g_clear_error (&error);
1619 g_io_add_watch (priv->from_server_channel, G_IO_IN, from_server_cb, greeter);
1622 g_warning ("No LIGHTDM_FROM_SERVER_FD environment variable");
1626 lightdm_greeter_set_property (GObject *object,
1628 const GValue *value,
1631 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1635 lightdm_greeter_get_property (GObject *object,
1640 LightDMGreeter *self;
1642 self = LIGHTDM_GREETER (object);
1645 case PROP_DEFAULT_SESSION_HINT:
1646 g_value_set_string (value, lightdm_greeter_get_default_session_hint (self));
1648 case PROP_HIDE_USERS_HINT:
1649 g_value_set_boolean (value, lightdm_greeter_get_hide_users_hint (self));
1651 case PROP_SHOW_MANUAL_LOGIN_HINT:
1652 g_value_set_boolean (value, lightdm_greeter_get_show_manual_login_hint (self));
1654 case PROP_SHOW_REMOTE_LOGIN_HINT:
1655 g_value_set_boolean (value, lightdm_greeter_get_show_remote_login_hint (self));
1657 case PROP_LOCK_HINT:
1658 g_value_set_boolean (value, lightdm_greeter_get_lock_hint (self));
1660 case PROP_HAS_GUEST_ACCOUNT_HINT:
1661 g_value_set_boolean (value, lightdm_greeter_get_has_guest_account_hint (self));
1663 case PROP_SELECT_USER_HINT:
1664 g_value_set_string (value, lightdm_greeter_get_select_user_hint (self));
1666 case PROP_SELECT_GUEST_HINT:
1667 g_value_set_boolean (value, lightdm_greeter_get_select_guest_hint (self));
1669 case PROP_AUTOLOGIN_USER_HINT:
1670 g_value_set_string (value, lightdm_greeter_get_autologin_user_hint (self));
1672 case PROP_AUTOLOGIN_GUEST_HINT:
1673 g_value_set_boolean (value, lightdm_greeter_get_autologin_guest_hint (self));
1675 case PROP_AUTOLOGIN_TIMEOUT_HINT:
1676 g_value_set_int (value, lightdm_greeter_get_autologin_timeout_hint (self));
1678 case PROP_AUTHENTICATION_USER:
1679 g_value_set_string (value, lightdm_greeter_get_authentication_user (self));
1681 case PROP_IN_AUTHENTICATION:
1682 g_value_set_boolean (value, lightdm_greeter_get_in_authentication (self));
1684 case PROP_IS_AUTHENTICATED:
1685 g_value_set_boolean (value, lightdm_greeter_get_is_authenticated (self));
1688 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1694 lightdm_greeter_finalize (GObject *object)
1696 LightDMGreeter *self = LIGHTDM_GREETER (object);
1697 LightDMGreeterPrivate *priv = GET_PRIVATE (self);
1699 if (priv->to_server_channel)
1700 g_io_channel_unref (priv->to_server_channel);
1701 if (priv->from_server_channel)
1702 g_io_channel_unref (priv->from_server_channel);
1703 g_free (priv->authentication_user);
1704 g_hash_table_unref (priv->hints);
1706 G_OBJECT_CLASS (lightdm_greeter_parent_class)->finalize (object);
1710 lightdm_greeter_class_init (LightDMGreeterClass *klass)
1712 GObjectClass *object_class = G_OBJECT_CLASS (klass);
1714 g_type_class_add_private (klass, sizeof (LightDMGreeterPrivate));
1716 object_class->set_property = lightdm_greeter_set_property;
1717 object_class->get_property = lightdm_greeter_get_property;
1718 object_class->finalize = lightdm_greeter_finalize;
1720 g_object_class_install_property (object_class,
1721 PROP_DEFAULT_SESSION_HINT,
1722 g_param_spec_string ("default-session-hint",
1723 "default-session-hint",
1724 "Default session hint",
1728 g_object_class_install_property (object_class,
1729 PROP_HIDE_USERS_HINT,
1730 g_param_spec_boolean ("hide-users-hint",
1736 g_object_class_install_property (object_class,
1737 PROP_SHOW_MANUAL_LOGIN_HINT,
1738 g_param_spec_boolean ("show-manual-login-hint",
1739 "show-manual-login-hint",
1740 "Show manual login hint",
1744 g_object_class_install_property (object_class,
1745 PROP_SHOW_REMOTE_LOGIN_HINT,
1746 g_param_spec_boolean ("show-remote-login-hint",
1747 "show-remote-login-hint",
1748 "Show remote login hint",
1752 g_object_class_install_property (object_class,
1754 g_param_spec_boolean ("lock-hint",
1760 g_object_class_install_property (object_class,
1761 PROP_HAS_GUEST_ACCOUNT_HINT,
1762 g_param_spec_boolean ("has-guest-account-hint",
1763 "has-guest-account-hint",
1764 "Has guest account hint",
1768 g_object_class_install_property (object_class,
1769 PROP_SELECT_USER_HINT,
1770 g_param_spec_string ("select-user-hint",
1776 g_object_class_install_property (object_class,
1777 PROP_SELECT_GUEST_HINT,
1778 g_param_spec_boolean ("select-guest-hint",
1779 "select-guest-hint",
1780 "Select guest account hint",
1784 g_object_class_install_property (object_class,
1785 PROP_AUTOLOGIN_USER_HINT,
1786 g_param_spec_string ("autologin-user-hint",
1787 "autologin-user-hint",
1788 "Autologin user hint",
1792 g_object_class_install_property (object_class,
1793 PROP_AUTOLOGIN_GUEST_HINT,
1794 g_param_spec_boolean ("autologin-guest-hint",
1795 "autologin-guest-hint",
1796 "Autologin guest account hint",
1800 g_object_class_install_property (object_class,
1801 PROP_AUTOLOGIN_TIMEOUT_HINT,
1802 g_param_spec_int ("autologin-timeout-hint",
1803 "autologin-timeout-hint",
1804 "Autologin timeout hint",
1808 g_object_class_install_property (object_class,
1809 PROP_AUTHENTICATION_USER,
1810 g_param_spec_string ("authentication-user",
1811 "authentication-user",
1812 "The user being authenticated",
1815 g_object_class_install_property (object_class,
1816 PROP_IN_AUTHENTICATION,
1817 g_param_spec_boolean ("in-authentication",
1818 "in-authentication",
1819 "TRUE if a user is being authenticated",
1822 g_object_class_install_property (object_class,
1823 PROP_IS_AUTHENTICATED,
1824 g_param_spec_boolean ("is-authenticated",
1826 "TRUE if the selected user is authenticated",
1831 * LightDMGreeter::show-prompt:
1832 * @greeter: A #LightDMGreeter
1833 * @text: Prompt text
1834 * @type: Prompt type
1836 * The ::show-prompt signal gets emitted when the greeter should show a
1837 * prompt to the user. The given text should be displayed and an input
1838 * field for the user to provide a response.
1840 * Call lightdm_greeter_respond() with the resultant input or
1841 * lightdm_greeter_cancel_authentication() to abort the authentication.
1843 signals[SHOW_PROMPT] =
1844 g_signal_new (LIGHTDM_GREETER_SIGNAL_SHOW_PROMPT,
1845 G_TYPE_FROM_CLASS (klass),
1847 G_STRUCT_OFFSET (LightDMGreeterClass, show_prompt),
1850 G_TYPE_NONE, 2, G_TYPE_STRING, lightdm_prompt_type_get_type ());
1853 * LightDMGreeter::show-message:
1854 * @greeter: A #LightDMGreeter
1855 * @text: Message text
1856 * @type: Message type
1858 * The ::show-message signal gets emitted when the greeter
1859 * should show a message to the user.
1861 signals[SHOW_MESSAGE] =
1862 g_signal_new (LIGHTDM_GREETER_SIGNAL_SHOW_MESSAGE,
1863 G_TYPE_FROM_CLASS (klass),
1865 G_STRUCT_OFFSET (LightDMGreeterClass, show_message),
1868 G_TYPE_NONE, 2, G_TYPE_STRING, lightdm_message_type_get_type ());
1871 * LightDMGreeter::authentication-complete:
1872 * @greeter: A #LightDMGreeter
1874 * The ::authentication-complete signal gets emitted when the greeter
1875 * has completed authentication.
1877 * Call lightdm_greeter_get_is_authenticated() to check if the authentication
1880 signals[AUTHENTICATION_COMPLETE] =
1881 g_signal_new (LIGHTDM_GREETER_SIGNAL_AUTHENTICATION_COMPLETE,
1882 G_TYPE_FROM_CLASS (klass),
1884 G_STRUCT_OFFSET (LightDMGreeterClass, authentication_complete),
1890 * LightDMGreeter::autologin-timer-expired:
1891 * @greeter: A #LightDMGreeter
1893 * The ::timed-login signal gets emitted when the automatic login timer has expired.
1894 * The application should then call lightdm_greeter_login().
1896 signals[AUTOLOGIN_TIMER_EXPIRED] =
1897 g_signal_new (LIGHTDM_GREETER_SIGNAL_AUTOLOGIN_TIMER_EXPIRED,
1898 G_TYPE_FROM_CLASS (klass),
1900 G_STRUCT_OFFSET (LightDMGreeterClass, autologin_timer_expired),
1906 * LightDMGreeter::idle:
1907 * @greeter: A #LightDMGreeter
1909 * The ::idle signal gets emitted when the user has logged in and the
1910 * greeter is no longer needed.
1912 * This signal only matters if the greeter has marked itself as
1913 * resettable using lightdm_greeter_set_resettable().
1916 g_signal_new (LIGHTDM_GREETER_SIGNAL_IDLE,
1917 G_TYPE_FROM_CLASS (klass),
1919 G_STRUCT_OFFSET (LightDMGreeterClass, idle),
1925 * LightDMGreeter::reset:
1926 * @greeter: A #LightDMGreeter
1928 * The ::reset signal gets emitted when the user is returning to a greeter
1929 * that was previously marked idle.
1931 * This signal only matters if the greeter has marked itself as
1932 * resettable using lightdm_greeter_set_resettable().
1935 g_signal_new (LIGHTDM_GREETER_SIGNAL_RESET,
1936 G_TYPE_FROM_CLASS (klass),
1938 G_STRUCT_OFFSET (LightDMGreeterClass, reset),
1945 request_init (Request *request)
1950 request_finalize (GObject *object)
1952 Request *request = REQUEST (object);
1954 g_free (request->dir);
1955 if (request->cancellable)
1956 g_object_unref (request->cancellable);
1958 G_OBJECT_CLASS (request_parent_class)->finalize (object);
1962 request_class_init (RequestClass *klass)
1964 GObjectClass *object_class = G_OBJECT_CLASS (klass);
1965 object_class->finalize = request_finalize;
1969 request_get_user_data (GAsyncResult *result)
1971 return REQUEST (result)->user_data;
1975 request_get_source_object (GAsyncResult *res)
1981 request_iface_init (GAsyncResultIface *iface)
1983 iface->get_user_data = request_get_user_data;
1984 iface->get_source_object = request_get_source_object;