/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2012 Red Hat, Inc. * Copyright (C) 2012 Giovanni Campagna * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * */ #include "config.h" #include #include #include #include #include #include #include #include "gdm-client.h" #include "gdm-client-glue.h" #include "gdm-manager-glue.h" #define GDM_CLIENT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_CLIENT, GdmClientPrivate)) #define SESSION_DBUS_PATH "/org/gnome/DisplayManager/Session" struct GdmClientPrivate { GdmManager *manager; GdmUserVerifier *user_verifier; GdmGreeter *greeter; GdmRemoteGreeter *remote_greeter; GdmChooser *chooser; GDBusConnection *connection; char *address; GList *pending_opens; }; static void gdm_client_class_init (GdmClientClass *klass); static void gdm_client_init (GdmClient *client); static void gdm_client_finalize (GObject *object); G_DEFINE_TYPE (GdmClient, gdm_client, G_TYPE_OBJECT); static gpointer client_object = NULL; GQuark gdm_client_error_quark (void) { static GQuark error_quark = 0; if (error_quark == 0) error_quark = g_quark_from_static_string ("gdm-client"); return error_quark; } static void on_got_manager (GdmManager *manager, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GdmClient *client; GdmManager *new_manager; GError *error; client = GDM_CLIENT (g_async_result_get_source_object (G_ASYNC_RESULT (operation_result))); error = NULL; new_manager = gdm_manager_proxy_new_finish (result, &error); if (client->priv->manager == NULL) { client->priv->manager = new_manager; } else { g_object_ref (client->priv->manager); g_object_unref (new_manager); g_clear_error (&error); } if (error != NULL) { g_simple_async_result_take_error (operation_result, error); } else { g_simple_async_result_set_op_res_gpointer (operation_result, g_object_ref (client->priv->manager), (GDestroyNotify) g_object_unref); } g_simple_async_result_complete_in_idle (operation_result); } static void get_manager (GdmClient *client, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *result; result = g_simple_async_result_new (G_OBJECT (client), callback, user_data, get_manager); g_simple_async_result_set_check_cancellable (result, cancellable); if (client->priv->manager != NULL) { g_simple_async_result_set_op_res_gpointer (result, g_object_ref (client->priv->manager), (GDestroyNotify) g_object_unref); g_simple_async_result_complete_in_idle (result); return; } gdm_manager_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, "org.gnome.DisplayManager", "/org/gnome/DisplayManager/Manager", cancellable, (GAsyncReadyCallback) on_got_manager, result); } static void on_user_verifier_proxy_created (GObject *source, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GdmUserVerifier *user_verifier; GError *error = NULL; user_verifier = gdm_user_verifier_proxy_new_finish (result, &error); if (user_verifier == NULL) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } g_debug ("UserVerifier %p created", user_verifier); g_simple_async_result_set_op_res_gpointer (operation_result, user_verifier, (GDestroyNotify) g_object_unref); g_simple_async_result_complete_in_idle (operation_result); } static void on_reauthentication_channel_connected (GDBusConnection *connection, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GCancellable *cancellable; GError *error; error = NULL; if (!g_dbus_connection_new_for_address_finish (result, &error)) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } cancellable = g_object_get_data (G_OBJECT (operation_result), "cancellable"); gdm_user_verifier_proxy_new (connection, G_DBUS_PROXY_FLAGS_NONE, NULL, SESSION_DBUS_PATH, cancellable, (GAsyncReadyCallback) on_user_verifier_proxy_created, operation_result); } static void on_reauthentication_channel_opened (GdmManager *manager, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GCancellable *cancellable; char *address; GError *error; error = NULL; if (!gdm_manager_call_open_reauthentication_channel_finish (manager, &address, result, &error)) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } cancellable = g_object_get_data (G_OBJECT (operation_result), "cancellable"); g_dbus_connection_new_for_address (address, G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT, NULL, cancellable, (GAsyncReadyCallback) on_reauthentication_channel_connected, operation_result); } static void on_got_manager_for_reauthentication (GdmClient *client, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GCancellable *cancellable; char *username; GError *error; error = NULL; if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), &error)) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } cancellable = g_object_get_data (G_OBJECT (operation_result), "cancellable"); username = g_object_get_data (G_OBJECT (operation_result), "username"); gdm_manager_call_open_reauthentication_channel (client->priv->manager, username, cancellable, (GAsyncReadyCallback) on_reauthentication_channel_opened, operation_result); } static gboolean gdm_client_open_connection_sync (GdmClient *client, GCancellable *cancellable, GError **error) { gboolean ret; g_return_val_if_fail (GDM_IS_CLIENT (client), FALSE); if (client->priv->manager == NULL) { client->priv->manager = gdm_manager_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, "org.gnome.DisplayManager", "/org/gnome/DisplayManager/Manager", cancellable, error); if (client->priv->manager == NULL) { goto out; } } else { client->priv->manager = g_object_ref (client->priv->manager); } if (client->priv->connection == NULL) { ret = gdm_manager_call_open_session_sync (client->priv->manager, &client->priv->address, cancellable, error); if (!ret) { g_clear_object (&client->priv->manager); goto out; } g_debug ("GdmClient: connecting to address: %s", client->priv->address); client->priv->connection = g_dbus_connection_new_for_address_sync (client->priv->address, G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT, NULL, cancellable, error); if (client->priv->connection == NULL) { g_clear_object (&client->priv->manager); g_clear_pointer (&client->priv->address, g_free); goto out; } } else { client->priv->connection = g_object_ref (client->priv->connection); } out: return client->priv->connection != NULL; } static void on_connected (GDBusConnection *connection, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GError *error; error = NULL; if (!g_dbus_connection_new_for_address_finish (result, &error)) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } g_simple_async_result_set_op_res_gpointer (operation_result, g_object_ref (connection), (GDestroyNotify) g_object_unref); g_simple_async_result_complete_in_idle (operation_result); } static void on_session_opened (GdmManager *manager, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GdmClient *client; GCancellable *cancellable; GError *error; client = GDM_CLIENT (g_async_result_get_source_object (G_ASYNC_RESULT (operation_result))); error = NULL; if (!gdm_manager_call_open_session_finish (manager, &client->priv->address, result, &error)) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } cancellable = g_object_get_data (G_OBJECT (operation_result), "cancellable"); g_dbus_connection_new_for_address (client->priv->address, G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT, NULL, cancellable, (GAsyncReadyCallback) on_connected, operation_result); } static void on_got_manager_for_opening_connection (GdmClient *client, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GCancellable *cancellable; GError *error; error = NULL; if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), &error)) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } cancellable = g_object_get_data (G_OBJECT (operation_result), "cancellable"); gdm_manager_call_open_session (client->priv->manager, cancellable, (GAsyncReadyCallback) on_session_opened, operation_result); } static void finish_pending_opens (GdmClient *client, GError *error) { GList *node; for (node = client->priv->pending_opens; node != NULL; node = node->next) { GSimpleAsyncResult *pending_result = node->data; g_simple_async_result_set_from_error (pending_result, error); g_simple_async_result_complete_in_idle (pending_result); g_object_unref (pending_result); } g_clear_pointer (&client->priv->pending_opens, (GDestroyNotify) g_list_free); } static gboolean gdm_client_open_connection_finish (GdmClient *client, GAsyncResult *result, GError **error) { g_return_val_if_fail (GDM_IS_CLIENT (client), FALSE); if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error)) { finish_pending_opens (client, *error); return FALSE; } if (client->priv->connection == NULL) { client->priv->connection = g_object_ref (g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (result))); } finish_pending_opens (client, NULL); return TRUE; } static void gdm_client_open_connection (GdmClient *client, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *operation_result; g_return_if_fail (GDM_IS_CLIENT (client)); operation_result = g_simple_async_result_new (G_OBJECT (client), callback, user_data, gdm_client_open_connection); g_simple_async_result_set_check_cancellable (operation_result, cancellable); g_object_set_data (G_OBJECT (operation_result), "cancellable", cancellable); if (client->priv->connection != NULL) { g_simple_async_result_set_op_res_gpointer (operation_result, g_object_ref (client->priv->connection), (GDestroyNotify) g_object_unref); g_simple_async_result_complete_in_idle (operation_result); return; } if (client->priv->pending_opens == NULL) { get_manager (client, cancellable, (GAsyncReadyCallback) on_got_manager_for_opening_connection, operation_result); } else { client->priv->pending_opens = g_list_prepend (client->priv->pending_opens, operation_result); } } /** * gdm_client_open_reauthentication_channel_sync: * @client: a #GdmClient * @username: user to reauthenticate * @cancellable: a #GCancellable * @error: a #GError * * Gets a #GdmUserVerifier object that can be used to * reauthenticate an already logged in user. Free with * g_object_unref to close reauthentication channel. * * Returns: (transfer full): #GdmUserVerifier or %NULL if @username is not * already logged in. */ GdmUserVerifier * gdm_client_open_reauthentication_channel_sync (GdmClient *client, const char *username, GCancellable *cancellable, GError **error) { GDBusConnection *connection; GdmUserVerifier *user_verifier = NULL; gboolean ret; char *address; g_return_val_if_fail (GDM_IS_CLIENT (client), FALSE); if (client->priv->manager == NULL) { client->priv->manager = gdm_manager_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, "org.gnome.DisplayManager", "/org/gnome/DisplayManager/Manager", cancellable, error); if (client->priv->manager == NULL) { goto out; } } else { client->priv->manager = g_object_ref (client->priv->manager); } ret = gdm_manager_call_open_reauthentication_channel_sync (client->priv->manager, username, &address, cancellable, error); if (!ret) { goto out; } g_debug ("GdmClient: connecting to address: %s", client->priv->address); connection = g_dbus_connection_new_for_address_sync (address, G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT, NULL, cancellable, error); if (connection == NULL) { g_free (address); goto out; } g_free (address); user_verifier = gdm_user_verifier_proxy_new_sync (connection, G_DBUS_PROXY_FLAGS_NONE, NULL, SESSION_DBUS_PATH, cancellable, error); if (user_verifier != NULL) { g_object_weak_ref (G_OBJECT (user_verifier), (GWeakNotify) g_object_unref, connection); g_object_weak_ref (G_OBJECT (user_verifier), (GWeakNotify) g_clear_object, &client->priv->manager); } out: return user_verifier; } /** * gdm_client_open_reauthentication_channel: * @client: a #GdmClient * @username: user to reauthenticate * @callback: a #GAsyncReadyCallback to call when the request is satisfied * @user_data: The data to pass to @callback * @cancellable: a #GCancellable * * Gets a #GdmUserVerifier object that can be used to * reauthenticate an already logged in user. */ void gdm_client_open_reauthentication_channel (GdmClient *client, const char *username, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *operation_result; g_return_if_fail (GDM_IS_CLIENT (client)); operation_result = g_simple_async_result_new (G_OBJECT (client), callback, user_data, gdm_client_open_reauthentication_channel); g_simple_async_result_set_check_cancellable (operation_result, cancellable); g_object_set_data (G_OBJECT (operation_result), "cancellable", cancellable); g_object_set_data_full (G_OBJECT (operation_result), "username", g_strdup (username), (GDestroyNotify) g_free); get_manager (client, cancellable, (GAsyncReadyCallback) on_got_manager_for_reauthentication, operation_result); } /** * gdm_client_open_reauthentication_channel_finish: * @client: a #GdmClient * @result: The #GAsyncResult from the callback * @error: a #GError * * Finishes an operation started with * gdm_client_open_reauthentication_channel(). * * Returns: (transfer full): a #GdmUserVerifier */ GdmUserVerifier * gdm_client_open_reauthentication_channel_finish (GdmClient *client, GAsyncResult *result, GError **error) { GdmUserVerifier *user_verifier; g_return_val_if_fail (GDM_IS_CLIENT (client), FALSE); if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error)) { return NULL; } user_verifier = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (result)); return g_object_ref (user_verifier); } /** * gdm_client_get_user_verifier_sync: * @client: a #GdmClient * @cancellable: a #GCancellable * @error: a #GError * * Gets a #GdmUserVerifier object that can be used to * verify a user's local account. * * Returns: (transfer full): #GdmUserVerifier or %NULL if not connected */ GdmUserVerifier * gdm_client_get_user_verifier_sync (GdmClient *client, GCancellable *cancellable, GError **error) { if (client->priv->user_verifier != NULL) { return g_object_ref (client->priv->user_verifier); } if (!gdm_client_open_connection_sync (client, cancellable, error)) { return NULL; } client->priv->user_verifier = gdm_user_verifier_proxy_new_sync (client->priv->connection, G_DBUS_PROXY_FLAGS_NONE, NULL, SESSION_DBUS_PATH, cancellable, error); if (client->priv->user_verifier != NULL) { g_object_add_weak_pointer (G_OBJECT (client->priv->user_verifier), (gpointer *) &client->priv->user_verifier); g_object_weak_ref (G_OBJECT (client->priv->user_verifier), (GWeakNotify) g_clear_object, &client->priv->manager); g_object_weak_ref (G_OBJECT (client->priv->user_verifier), (GWeakNotify) g_clear_object, &client->priv->connection); } return client->priv->user_verifier; } static void on_connection_opened_for_user_verifier (GdmClient *client, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GCancellable *cancellable; GError *error; error = NULL; if (!gdm_client_open_connection_finish (client, result, &error)) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } cancellable = g_object_get_data (G_OBJECT (operation_result), "cancellable"); gdm_user_verifier_proxy_new (client->priv->connection, G_DBUS_PROXY_FLAGS_NONE, NULL, SESSION_DBUS_PATH, cancellable, (GAsyncReadyCallback) on_user_verifier_proxy_created, operation_result); } /** * gdm_client_get_user_verifier: * @client: a #GdmClient * @callback: a #GAsyncReadyCallback to call when the request is satisfied * @user_data: The data to pass to @callback * @cancellable: a #GCancellable * * Gets a #GdmUserVerifier object that can be used to * verify a user's local account. */ void gdm_client_get_user_verifier (GdmClient *client, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *operation_result; g_return_if_fail (GDM_IS_CLIENT (client)); operation_result = g_simple_async_result_new (G_OBJECT (client), callback, user_data, gdm_client_get_user_verifier); g_simple_async_result_set_check_cancellable (operation_result, cancellable); g_object_set_data (G_OBJECT (operation_result), "cancellable", cancellable); if (client->priv->user_verifier != NULL) { g_simple_async_result_set_op_res_gpointer (operation_result, g_object_ref (client->priv->user_verifier), (GDestroyNotify) g_object_unref); g_simple_async_result_complete_in_idle (operation_result); return; } gdm_client_open_connection (client, cancellable, (GAsyncReadyCallback) on_connection_opened_for_user_verifier, operation_result); } /** * gdm_client_get_user_verifier_finish: * @client: a #GdmClient * @result: The #GAsyncResult from the callback * @error: a #GError * * Finishes an operation started with * gdm_client_get_user_verifier(). * * Returns: (transfer full): a #GdmUserVerifier */ GdmUserVerifier * gdm_client_get_user_verifier_finish (GdmClient *client, GAsyncResult *result, GError **error) { GdmUserVerifier *user_verifier; g_return_val_if_fail (GDM_IS_CLIENT (client), FALSE); if (client->priv->user_verifier != NULL) { return g_object_ref (client->priv->user_verifier); } else if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error)) { return NULL; } user_verifier = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (result)); client->priv->user_verifier = user_verifier; g_object_add_weak_pointer (G_OBJECT (client->priv->user_verifier), (gpointer *) &client->priv->user_verifier); g_object_weak_ref (G_OBJECT (client->priv->user_verifier), (GWeakNotify) g_object_unref, client->priv->connection); g_object_weak_ref (G_OBJECT (client->priv->user_verifier), (GWeakNotify) g_clear_object, &client->priv->manager); return g_object_ref (user_verifier); } static void on_greeter_proxy_created (GObject *source, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GdmGreeter *greeter; GError *error = NULL; greeter = gdm_greeter_proxy_new_finish (result, &error); if (greeter == NULL) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } g_simple_async_result_set_op_res_gpointer (operation_result, greeter, (GDestroyNotify) g_object_unref); g_simple_async_result_complete_in_idle (operation_result); } static void on_connection_opened_for_greeter (GdmClient *client, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GCancellable *cancellable; GError *error; error = NULL; if (!gdm_client_open_connection_finish (client, result, &error)) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } cancellable = g_object_get_data (G_OBJECT (operation_result), "cancellable"); gdm_greeter_proxy_new (client->priv->connection, G_DBUS_PROXY_FLAGS_NONE, NULL, SESSION_DBUS_PATH, cancellable, (GAsyncReadyCallback) on_greeter_proxy_created, operation_result); } /** * gdm_client_get_greeter: * @client: a #GdmClient * @callback: a #GAsyncReadyCallback to call when the request is satisfied * @user_data: The data to pass to @callback * @cancellable: a #GCancellable * * Gets a #GdmGreeter object that can be used to * verify a user's local account. */ void gdm_client_get_greeter (GdmClient *client, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *operation_result; g_return_if_fail (GDM_IS_CLIENT (client)); operation_result = g_simple_async_result_new (G_OBJECT (client), callback, user_data, gdm_client_get_greeter); g_simple_async_result_set_check_cancellable (operation_result, cancellable); g_object_set_data (G_OBJECT (operation_result), "cancellable", cancellable); if (client->priv->greeter != NULL) { g_simple_async_result_set_op_res_gpointer (operation_result, g_object_ref (client->priv->greeter), (GDestroyNotify) g_object_unref); g_simple_async_result_complete_in_idle (operation_result); return; } gdm_client_open_connection (client, cancellable, (GAsyncReadyCallback) on_connection_opened_for_greeter, operation_result); } /** * gdm_client_get_greeter_finish: * @client: a #GdmClient * @result: The #GAsyncResult from the callback * @error: a #GError * * Finishes an operation started with * gdm_client_get_greeter(). * * Returns: (transfer full): a #GdmGreeter */ GdmGreeter * gdm_client_get_greeter_finish (GdmClient *client, GAsyncResult *result, GError **error) { GdmGreeter *greeter; g_return_val_if_fail (GDM_IS_CLIENT (client), FALSE); if (client->priv->greeter != NULL) { return g_object_ref (client->priv->greeter); } else if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error)) { return NULL; } greeter = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (result)); client->priv->greeter = greeter; g_object_add_weak_pointer (G_OBJECT (client->priv->greeter), (gpointer *) &client->priv->greeter); g_object_weak_ref (G_OBJECT (client->priv->greeter), (GWeakNotify) g_object_unref, client->priv->connection); g_object_weak_ref (G_OBJECT (client->priv->greeter), (GWeakNotify) g_clear_object, &client->priv->manager); return g_object_ref (greeter); } /** * gdm_client_get_greeter_sync: * @client: a #GdmClient * @cancellable: a #GCancellable * @error: a #GError * * Gets a #GdmGreeter object that can be used * to do do various login screen related tasks, such * as selecting a users session, and starting that * session. * * Returns: (transfer full): #GdmGreeter or %NULL if caller is not a greeter */ GdmGreeter * gdm_client_get_greeter_sync (GdmClient *client, GCancellable *cancellable, GError **error) { if (client->priv->greeter != NULL) { return g_object_ref (client->priv->greeter); } if (!gdm_client_open_connection_sync (client, cancellable, error)) { return NULL; } client->priv->greeter = gdm_greeter_proxy_new_sync (client->priv->connection, G_DBUS_PROXY_FLAGS_NONE, NULL, SESSION_DBUS_PATH, cancellable, error); if (client->priv->greeter != NULL) { g_object_add_weak_pointer (G_OBJECT (client->priv->greeter), (gpointer *) &client->priv->greeter); g_object_weak_ref (G_OBJECT (client->priv->greeter), (GWeakNotify) g_clear_object, &client->priv->manager); g_object_weak_ref (G_OBJECT (client->priv->greeter), (GWeakNotify) g_clear_object, &client->priv->connection); } return client->priv->greeter; } static void on_remote_greeter_proxy_created (GObject *object, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GdmRemoteGreeter *remote_greeter; GError *error = NULL; remote_greeter = gdm_remote_greeter_proxy_new_finish (result, &error); if (remote_greeter == NULL) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } g_simple_async_result_set_op_res_gpointer (operation_result, remote_greeter, (GDestroyNotify) g_object_unref); g_simple_async_result_complete_in_idle (operation_result); } static void on_connection_opened_for_remote_greeter (GdmClient *client, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GCancellable *cancellable; GError *error; error = NULL; if (!gdm_client_open_connection_finish (client, result, &error)) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } cancellable = g_object_get_data (G_OBJECT (operation_result), "cancellable"); gdm_remote_greeter_proxy_new (client->priv->connection, G_DBUS_PROXY_FLAGS_NONE, NULL, SESSION_DBUS_PATH, cancellable, (GAsyncReadyCallback) on_remote_greeter_proxy_created, operation_result); } /** * gdm_client_get_remote_greeter: * @client: a #GdmClient * @callback: a #GAsyncReadyCallback to call when the request is satisfied * @user_data: The data to pass to @callback * @cancellable: a #GCancellable * * Gets a #GdmRemoteGreeter object that can be used to * verify a user's local account. */ void gdm_client_get_remote_greeter (GdmClient *client, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *operation_result; g_return_if_fail (GDM_IS_CLIENT (client)); operation_result = g_simple_async_result_new (G_OBJECT (client), callback, user_data, gdm_client_get_remote_greeter); g_simple_async_result_set_check_cancellable (operation_result, cancellable); g_object_set_data (G_OBJECT (operation_result), "cancellable", cancellable); if (client->priv->remote_greeter != NULL) { g_simple_async_result_set_op_res_gpointer (operation_result, g_object_ref (client->priv->remote_greeter), (GDestroyNotify) g_object_unref); g_simple_async_result_complete_in_idle (operation_result); return; } gdm_client_open_connection (client, cancellable, (GAsyncReadyCallback) on_connection_opened_for_remote_greeter, operation_result); } /** * gdm_client_get_remote_greeter_finish: * @client: a #GdmClient * @result: The #GAsyncResult from the callback * @error: a #GError * * Finishes an operation started with * gdm_client_get_remote_greeter(). * * Returns: (transfer full): a #GdmRemoteGreeter */ GdmRemoteGreeter * gdm_client_get_remote_greeter_finish (GdmClient *client, GAsyncResult *result, GError **error) { GdmRemoteGreeter *remote_greeter; g_return_val_if_fail (GDM_IS_CLIENT (client), FALSE); if (client->priv->remote_greeter != NULL) { return g_object_ref (client->priv->remote_greeter); } else if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error)) { return NULL; } remote_greeter = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (result)); client->priv->remote_greeter = remote_greeter; g_object_add_weak_pointer (G_OBJECT (client->priv->remote_greeter), (gpointer *) &client->priv->remote_greeter); g_object_weak_ref (G_OBJECT (client->priv->remote_greeter), (GWeakNotify) g_object_unref, client->priv->connection); g_object_weak_ref (G_OBJECT (client->priv->remote_greeter), (GWeakNotify) g_clear_object, &client->priv->manager); return g_object_ref (remote_greeter); } /** * gdm_client_get_remote_greeter_sync: * @client: a #GdmClient * @cancellable: a #GCancellable * @error: a #GError * * Gets a #GdmRemoteGreeter object that can be used * to do do various remote login screen related tasks, * such as disconnecting. * * Returns: (transfer full): #GdmRemoteGreeter or %NULL if caller is not remote */ GdmRemoteGreeter * gdm_client_get_remote_greeter_sync (GdmClient *client, GCancellable *cancellable, GError **error) { if (client->priv->remote_greeter != NULL) { return g_object_ref (client->priv->remote_greeter); } if (!gdm_client_open_connection_sync (client, cancellable, error)) { return NULL; } client->priv->remote_greeter = gdm_remote_greeter_proxy_new_sync (client->priv->connection, G_DBUS_PROXY_FLAGS_NONE, NULL, SESSION_DBUS_PATH, cancellable, error); if (client->priv->remote_greeter != NULL) { g_object_add_weak_pointer (G_OBJECT (client->priv->remote_greeter), (gpointer *) &client->priv->remote_greeter); g_object_weak_ref (G_OBJECT (client->priv->remote_greeter), (GWeakNotify) g_clear_object, &client->priv->manager); g_object_weak_ref (G_OBJECT (client->priv->remote_greeter), (GWeakNotify) g_clear_object, &client->priv->connection); } return client->priv->remote_greeter; } static void on_chooser_proxy_created (GObject *source, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GdmChooser *chooser; GError *error = NULL; chooser = gdm_chooser_proxy_new_finish (result, &error); if (chooser == NULL) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } g_simple_async_result_set_op_res_gpointer (operation_result, chooser, (GDestroyNotify) g_object_unref); g_simple_async_result_complete_in_idle (operation_result); } static void on_connection_opened_for_chooser (GdmClient *client, GAsyncResult *result, GSimpleAsyncResult *operation_result) { GCancellable *cancellable; GError *error; error = NULL; if (!gdm_client_open_connection_finish (client, result, &error)) { g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete_in_idle (operation_result); return; } cancellable = g_object_get_data (G_OBJECT (operation_result), "cancellable"); gdm_chooser_proxy_new (client->priv->connection, G_DBUS_PROXY_FLAGS_NONE, NULL, SESSION_DBUS_PATH, cancellable, (GAsyncReadyCallback) on_chooser_proxy_created, operation_result); } /** * gdm_client_get_chooser: * @client: a #GdmClient * @callback: a #GAsyncReadyCallback to call when the request is satisfied * @user_data: The data to pass to @callback * @cancellable: a #GCancellable * * Gets a #GdmChooser object that can be used to * verify a user's local account. */ void gdm_client_get_chooser (GdmClient *client, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *operation_result; g_return_if_fail (GDM_IS_CLIENT (client)); operation_result = g_simple_async_result_new (G_OBJECT (client), callback, user_data, gdm_client_get_chooser); g_simple_async_result_set_check_cancellable (operation_result, cancellable); g_object_set_data (G_OBJECT (operation_result), "cancellable", cancellable); if (client->priv->chooser != NULL) { g_simple_async_result_set_op_res_gpointer (operation_result, g_object_ref (client->priv->chooser), (GDestroyNotify) g_object_unref); g_simple_async_result_complete_in_idle (operation_result); return; } gdm_client_open_connection (client, cancellable, (GAsyncReadyCallback) on_connection_opened_for_chooser, operation_result); } /** * gdm_client_get_chooser_finish: * @client: a #GdmClient * @result: The #GAsyncResult from the callback * @error: a #GError * * Finishes an operation started with * gdm_client_get_chooser(). * * Returns: (transfer full): a #GdmChooser */ GdmChooser * gdm_client_get_chooser_finish (GdmClient *client, GAsyncResult *result, GError **error) { GdmChooser *chooser; g_return_val_if_fail (GDM_IS_CLIENT (client), FALSE); if (client->priv->chooser != NULL) { return g_object_ref (client->priv->chooser); } else if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error)) { return NULL; } chooser = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (result)); client->priv->chooser = chooser; g_object_add_weak_pointer (G_OBJECT (client->priv->chooser), (gpointer *) &client->priv->chooser); g_object_weak_ref (G_OBJECT (client->priv->chooser), (GWeakNotify) g_object_unref, client->priv->connection); g_object_weak_ref (G_OBJECT (client->priv->chooser), (GWeakNotify) g_clear_object, &client->priv->manager); return g_object_ref (chooser); } /** * gdm_client_get_chooser_sync: * @client: a #GdmClient * @cancellable: a #GCancellable * @error: a #GError * * Gets a #GdmChooser object that can be used * to do do various XDMCP chooser related tasks, such * as selecting a host or disconnecting. * * Returns: (transfer full): #GdmChooser or %NULL if caller is not a chooser */ GdmChooser * gdm_client_get_chooser_sync (GdmClient *client, GCancellable *cancellable, GError **error) { if (client->priv->chooser != NULL) { return g_object_ref (client->priv->chooser); } if (!gdm_client_open_connection_sync (client, cancellable, error)) { return NULL; } client->priv->chooser = gdm_chooser_proxy_new_sync (client->priv->connection, G_DBUS_PROXY_FLAGS_NONE, NULL, SESSION_DBUS_PATH, cancellable, error); if (client->priv->chooser != NULL) { g_object_add_weak_pointer (G_OBJECT (client->priv->chooser), (gpointer *) &client->priv->chooser); g_object_weak_ref (G_OBJECT (client->priv->chooser), (GWeakNotify) g_clear_object, &client->priv->manager); g_object_weak_ref (G_OBJECT (client->priv->chooser), (GWeakNotify) g_clear_object, &client->priv->connection); } return client->priv->chooser; } static void gdm_client_class_init (GdmClientClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->finalize = gdm_client_finalize; g_type_class_add_private (klass, sizeof (GdmClientPrivate)); } static void gdm_client_init (GdmClient *client) { client->priv = GDM_CLIENT_GET_PRIVATE (client); } static void gdm_client_finalize (GObject *object) { GdmClient *client; g_return_if_fail (object != NULL); g_return_if_fail (GDM_IS_CLIENT (object)); client = GDM_CLIENT (object); g_return_if_fail (client->priv != NULL); if (client->priv->user_verifier != NULL) { g_object_remove_weak_pointer (G_OBJECT (client->priv->user_verifier), (gpointer *) &client->priv->user_verifier); } if (client->priv->greeter != NULL) { g_object_remove_weak_pointer (G_OBJECT (client->priv->greeter), (gpointer *) &client->priv->greeter); } if (client->priv->remote_greeter != NULL) { g_object_remove_weak_pointer (G_OBJECT (client->priv->remote_greeter), (gpointer *) &client->priv->remote_greeter); } if (client->priv->chooser != NULL) { g_object_remove_weak_pointer (G_OBJECT (client->priv->chooser), (gpointer *) &client->priv->chooser); } g_clear_object (&client->priv->manager); g_clear_object (&client->priv->connection); g_free (client->priv->address); G_OBJECT_CLASS (gdm_client_parent_class)->finalize (object); } GdmClient * gdm_client_new (void) { if (client_object != NULL) { g_object_ref (client_object); } else { client_object = g_object_new (GDM_TYPE_CLIENT, NULL); g_object_add_weak_pointer (client_object, (gpointer *) &client_object); } return GDM_CLIENT (client_object); }