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gdm3/libgdm/gdm-client.c
Daniel Baumann 83b37a3d94
Adding upstream version 48.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 19:45:29 +02:00

1552 lines
58 KiB
C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2012 Red Hat, Inc.
* Copyright (C) 2012 Giovanni Campagna <scampa.giovanni@gmail.com>
*
* 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 <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib-object.h>
#include "gdm-client.h"
#include "gdm-client-glue.h"
#include "gdm-manager-glue.h"
#define SESSION_DBUS_PATH "/org/gnome/DisplayManager/Session"
struct _GdmClient
{
GObject parent;
GdmUserVerifier *user_verifier;
GdmUserVerifier *user_verifier_for_reauth;
GHashTable *user_verifier_extensions;
GdmGreeter *greeter;
GdmRemoteGreeter *remote_greeter;
GdmChooser *chooser;
char **enabled_extensions;
};
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 GQuark
gdm_client_user_verifier_extensions_quark (void)
{
static gpointer quark_initialized = 0;
static GQuark quark = 0;
if (g_once_init_enter (&quark_initialized)) {
quark = g_quark_from_static_string ("gdm-client-user-verifier-extensions");
g_once_init_leave (&quark_initialized, GINT_TO_POINTER (TRUE));
}
return quark;
}
static GDBusConnection *
gdm_client_get_open_connection (GdmClient *client)
{
GDBusProxy *proxy = NULL;
if (client->user_verifier != NULL) {
proxy = G_DBUS_PROXY (client->user_verifier);
} else if (client->greeter != NULL) {
proxy = G_DBUS_PROXY (client->greeter);
} else if (client->remote_greeter != NULL) {
proxy = G_DBUS_PROXY (client->remote_greeter);
} else if (client->chooser != NULL) {
proxy = G_DBUS_PROXY (client->chooser);
}
if (proxy != NULL) {
return g_dbus_proxy_get_connection (proxy);
}
return NULL;
}
static void
on_got_manager (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr(GTask) task = user_data;
g_autoptr(GdmManager) manager = NULL;
g_autoptr(GError) error = NULL;
manager = gdm_manager_proxy_new_finish (result, &error);
if (error != NULL) {
g_task_return_error (task, g_steal_pointer (&error));
} else {
g_task_return_pointer (task,
g_steal_pointer (&manager),
(GDestroyNotify) g_object_unref);
}
}
static void
get_manager (GdmClient *client,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
task = g_task_new (G_OBJECT (client),
cancellable,
callback,
user_data);
gdm_manager_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
"org.gnome.DisplayManager",
"/org/gnome/DisplayManager/Manager",
cancellable,
on_got_manager,
task);
}
typedef struct {
GTask *task;
GdmUserVerifier *user_verifier;
} UserVerifierData;
static UserVerifierData *
user_verifier_data_new (GTask *task, GdmUserVerifier *user_verifier)
{
UserVerifierData *data;
data = g_slice_new (UserVerifierData);
data->task = g_object_ref (task);
data->user_verifier = g_object_ref (user_verifier);
return data;
}
static void
user_verifier_data_free (UserVerifierData *data)
{
g_object_unref (data->task);
g_object_unref (data->user_verifier);
g_slice_free (UserVerifierData, data);
}
static void
complete_user_verifier_proxy_operation (GdmClient *client,
UserVerifierData *data)
{
g_task_return_pointer (data->task,
g_object_ref (data->user_verifier),
(GDestroyNotify) g_object_unref);
user_verifier_data_free (data);
}
static void
maybe_complete_user_verifier_proxy_operation (GdmClient *client,
UserVerifierData *data)
{
GHashTable *user_verifier_extensions;
GHashTableIter iter;
gpointer key, value;
user_verifier_extensions = g_object_get_qdata (G_OBJECT (data->user_verifier),
gdm_client_user_verifier_extensions_quark ());
if (user_verifier_extensions != NULL) {
g_hash_table_iter_init (&iter, user_verifier_extensions);
while (g_hash_table_iter_next (&iter, &key, &value)) {
if (value == NULL)
return;
}
}
complete_user_verifier_proxy_operation (client, data);
}
static void
on_user_verifier_choice_list_proxy_created (GObject *source,
GAsyncResult *result,
UserVerifierData *data)
{
GHashTable *user_verifier_extensions;
g_autoptr(GdmClient) client = NULL;
GdmUserVerifierChoiceList *choice_list;
g_autoptr(GError) error = NULL;
client = GDM_CLIENT (g_async_result_get_source_object (G_ASYNC_RESULT (data->task)));
user_verifier_extensions = g_object_get_qdata (G_OBJECT (data->user_verifier),
gdm_client_user_verifier_extensions_quark ());
choice_list = gdm_user_verifier_choice_list_proxy_new_finish (result, &error);
if (choice_list == NULL) {
g_debug ("Couldn't create UserVerifier ChoiceList proxy: %s", error->message);
g_hash_table_remove (user_verifier_extensions, gdm_user_verifier_choice_list_interface_info ()->name);
} else {
g_hash_table_replace (user_verifier_extensions, gdm_user_verifier_choice_list_interface_info ()->name, choice_list);
}
maybe_complete_user_verifier_proxy_operation (client, data);
}
static void
on_user_verifier_custom_json_proxy_created (GObject *source,
GAsyncResult *result,
UserVerifierData *data)
{
GHashTable *user_verifier_extensions;
g_autoptr(GdmClient) client = NULL;
GdmUserVerifierCustomJSON *custom_json;
g_autoptr(GError) error = NULL;
client = GDM_CLIENT (g_async_result_get_source_object (G_ASYNC_RESULT (data->task)));
user_verifier_extensions = g_object_get_qdata (G_OBJECT (data->user_verifier),
gdm_client_user_verifier_extensions_quark ());
custom_json = gdm_user_verifier_custom_json_proxy_new_finish (result, &error);
if (custom_json == NULL) {
g_warning ("Couldn't create UserVerifier CustomJSON proxy: %s", error->message);
g_hash_table_remove (user_verifier_extensions,
gdm_user_verifier_custom_json_interface_info ()->name);
} else {
g_hash_table_replace (user_verifier_extensions,
gdm_user_verifier_custom_json_interface_info ()->name,
custom_json);
}
maybe_complete_user_verifier_proxy_operation (client, data);
}
static void
on_user_verifier_extensions_enabled (GdmUserVerifier *user_verifier,
GAsyncResult *result,
UserVerifierData *data)
{
g_autoptr(GdmClient) client = NULL;
GHashTable *user_verifier_extensions;
GCancellable *cancellable;
GDBusConnection *connection;
g_autoptr(GError) error = NULL;
size_t i;
client = GDM_CLIENT (g_async_result_get_source_object (G_ASYNC_RESULT (data->task)));
cancellable = g_task_get_cancellable (data->task);
user_verifier_extensions = g_object_get_qdata (G_OBJECT (user_verifier),
gdm_client_user_verifier_extensions_quark ());
gdm_user_verifier_call_enable_extensions_finish (user_verifier, result, &error);
if (error != NULL) {
g_debug ("Couldn't enable user verifier extensions: %s",
error->message);
complete_user_verifier_proxy_operation (client, data);
return;
}
connection = g_dbus_proxy_get_connection (G_DBUS_PROXY (user_verifier));
for (i = 0; client->enabled_extensions[i] != NULL; i++) {
g_debug ("Enabled extensions[%lu] = %s", i, client->enabled_extensions[i]);
g_hash_table_insert (user_verifier_extensions, client->enabled_extensions[i], NULL);
if (strcmp (client->enabled_extensions[i],
gdm_user_verifier_choice_list_interface_info ()->name) == 0) {
g_hash_table_insert (user_verifier_extensions, client->enabled_extensions[i], NULL);
gdm_user_verifier_choice_list_proxy_new (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
(GAsyncReadyCallback)
on_user_verifier_choice_list_proxy_created,
data);
} else if (g_str_equal (client->enabled_extensions[i],
gdm_user_verifier_custom_json_interface_info ()->name)) {
g_hash_table_insert (user_verifier_extensions, client->enabled_extensions[i], NULL);
gdm_user_verifier_custom_json_proxy_new (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
(GAsyncReadyCallback)
on_user_verifier_custom_json_proxy_created,
data);
} else {
g_debug ("User verifier extension %s is unsupported", client->enabled_extensions[i]);
g_hash_table_remove (user_verifier_extensions,
client->enabled_extensions[i]);
}
}
if (g_hash_table_size (user_verifier_extensions) == 0) {
g_debug ("No supported user verifier extensions");
complete_user_verifier_proxy_operation (client, data);
}
}
static void
free_interface_skeleton (GDBusInterfaceSkeleton *interface)
{
if (interface == NULL)
return;
g_object_unref (interface);
}
static void
on_user_verifier_proxy_created (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr(GdmClient) self = NULL;
GHashTable *user_verifier_extensions;
GCancellable *cancellable = NULL;
g_autoptr(GdmUserVerifier) user_verifier = NULL;
g_autoptr(GTask) task = user_data;
g_autoptr(GError) error = NULL;
user_verifier = gdm_user_verifier_proxy_new_finish (result, &error);
if (user_verifier == NULL) {
g_task_return_error (task, g_steal_pointer (&error));
return;
}
g_debug ("UserVerifier %p created", user_verifier);
self = GDM_CLIENT (g_async_result_get_source_object (G_ASYNC_RESULT (task)));
if (self->enabled_extensions == NULL) {
g_debug ("no enabled extensions");
g_task_return_pointer (task,
g_steal_pointer (&user_verifier),
(GDestroyNotify) g_object_unref);
return;
}
user_verifier_extensions = g_hash_table_new_full (g_str_hash,
g_str_equal,
NULL,
(GDestroyNotify)
free_interface_skeleton);
g_object_set_qdata_full (G_OBJECT (user_verifier),
gdm_client_user_verifier_extensions_quark (),
user_verifier_extensions,
(GDestroyNotify) g_hash_table_unref);
cancellable = g_task_get_cancellable (task);
gdm_user_verifier_call_enable_extensions (user_verifier,
(const char * const *)
self->enabled_extensions,
cancellable,
(GAsyncReadyCallback)
on_user_verifier_extensions_enabled,
user_verifier_data_new (task, user_verifier));
}
static void
on_reauthentication_channel_connected (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
GCancellable *cancellable;
g_autoptr(GTask) task = user_data;
g_autoptr(GDBusConnection) connection = NULL;
g_autoptr(GError) error = NULL;
connection = g_dbus_connection_new_for_address_finish (result, &error);
if (!connection) {
g_task_return_error (task, g_steal_pointer (&error));
return;
}
cancellable = g_task_get_cancellable (task);
gdm_user_verifier_proxy_new (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
on_user_verifier_proxy_created,
g_steal_pointer (&task));
}
static void
on_reauthentication_channel_opened (GdmManager *manager,
GAsyncResult *result,
gpointer user_data)
{
GCancellable *cancellable;
g_autoptr(GTask) task = user_data;
g_autoptr(GError) error = NULL;
g_autofree char *address = NULL;
if (!gdm_manager_call_open_reauthentication_channel_finish (manager,
&address,
result,
&error)) {
g_task_return_error (task, g_steal_pointer (&error));
return;
}
cancellable = g_task_get_cancellable (task);
g_dbus_connection_new_for_address (address,
G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
NULL,
cancellable,
on_reauthentication_channel_connected,
g_steal_pointer (&task));
}
static void
on_got_manager_for_reauthentication (GdmClient *client,
GAsyncResult *result,
gpointer user_data)
{
GCancellable *cancellable;
const char *username;
g_autoptr(GTask) task = user_data;
g_autoptr(GdmManager) manager = NULL;
g_autoptr(GError) error = NULL;
manager = g_task_propagate_pointer (G_TASK (result), &error);
if (manager == NULL) {
g_task_return_error (task, g_steal_pointer (&error));
return;
}
cancellable = g_task_get_cancellable (task);
username = g_object_get_data (G_OBJECT (task), "username");
gdm_manager_call_open_reauthentication_channel (manager,
username,
cancellable,
(GAsyncReadyCallback)
on_reauthentication_channel_opened,
g_steal_pointer (&task));
}
static GDBusConnection *
gdm_client_get_connection_sync (GdmClient *client,
GCancellable *cancellable,
GError **error)
{
g_autoptr(GdmManager) manager = NULL;
g_autofree char *address = NULL;
GDBusConnection *connection;
gboolean ret;
g_return_val_if_fail (GDM_IS_CLIENT (client), NULL);
connection = gdm_client_get_open_connection (client);
if (connection != NULL) {
return g_object_ref (connection);
}
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 (manager == NULL) {
return NULL;
}
ret = gdm_manager_call_open_session_sync (manager,
&address,
cancellable,
error);
if (!ret) {
return NULL;
}
g_debug ("GdmClient: connecting to address: %s", address);
connection = g_dbus_connection_new_for_address_sync (address,
G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
NULL,
cancellable,
error);
return connection;
}
static GDBusConnection *
gdm_client_get_connection_finish (GdmClient *client,
GAsyncResult *result,
GError **error)
{
GDBusConnection *connection;
g_return_val_if_fail (GDM_IS_CLIENT (client), NULL);
connection = g_task_propagate_pointer (G_TASK (result), error);
if (connection == NULL) {
return NULL;
}
return connection;
}
static void
gdm_client_get_connection (GdmClient *client,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_autoptr(GTask) task = NULL;
g_autoptr(GError) error = NULL;
GDBusConnection *connection;
g_return_if_fail (GDM_IS_CLIENT (client));
task = g_task_new (G_OBJECT (client),
cancellable,
callback,
user_data);
connection = gdm_client_get_connection_sync (client,
cancellable,
&error);
if (connection != NULL) {
g_task_return_pointer (task,
g_object_ref (connection),
(GDestroyNotify) g_object_unref);
} else {
g_task_return_error (task, g_steal_pointer (&error));
}
}
/**
* 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)
{
g_autoptr(GDBusConnection) connection = NULL;
g_autoptr(GdmManager) manager = NULL;
g_autofree char *address = NULL;
GdmUserVerifier *user_verifier = NULL;
gboolean ret;
g_return_val_if_fail (GDM_IS_CLIENT (client), NULL);
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 (manager == NULL) {
return NULL;
}
ret = gdm_manager_call_open_reauthentication_channel_sync (manager,
username,
&address,
cancellable,
error);
if (!ret) {
return NULL;
}
g_debug ("GdmClient: connecting to address: %s", address);
connection = g_dbus_connection_new_for_address_sync (address,
G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
NULL,
cancellable,
error);
if (connection == NULL) {
return NULL;
}
user_verifier = gdm_user_verifier_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
error);
g_set_weak_pointer (&client->user_verifier_for_reauth, user_verifier);
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)
{
GTask *task;
g_return_if_fail (GDM_IS_CLIENT (client));
task = g_task_new (G_OBJECT (client),
cancellable,
callback,
user_data);
g_object_set_data_full (G_OBJECT (task),
"username",
g_strdup (username),
(GDestroyNotify)
g_free);
get_manager (client,
cancellable,
(GAsyncReadyCallback)
on_got_manager_for_reauthentication,
task);
}
/**
* 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), NULL);
user_verifier = g_task_propagate_pointer (G_TASK (result), error);
g_set_weak_pointer (&client->user_verifier_for_reauth, user_verifier);
return 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)
{
g_autoptr(GDBusConnection) connection = NULL;
GdmUserVerifier *user_verifier;
if (client->user_verifier != NULL) {
return g_object_ref (client->user_verifier);
}
connection = gdm_client_get_connection_sync (client, cancellable, error);
if (connection == NULL) {
return NULL;
}
user_verifier = gdm_user_verifier_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
error);
g_set_weak_pointer (&client->user_verifier, user_verifier);
if (client->user_verifier != NULL) {
if (client->enabled_extensions != NULL) {
GHashTable *user_verifier_extensions;
gboolean res;
user_verifier_extensions = g_hash_table_new_full (g_str_hash,
g_str_equal,
NULL,
(GDestroyNotify)
free_interface_skeleton);
g_object_set_qdata_full (G_OBJECT (client->user_verifier),
gdm_client_user_verifier_extensions_quark (),
user_verifier_extensions,
(GDestroyNotify) g_hash_table_unref);
res = gdm_user_verifier_call_enable_extensions_sync (client->user_verifier,
(const char * const *)
client->enabled_extensions,
cancellable,
NULL);
if (res) {
size_t i;
for (i = 0; client->enabled_extensions[i] != NULL; i++) {
if (strcmp (client->enabled_extensions[i],
gdm_user_verifier_choice_list_interface_info ()->name) == 0) {
GdmUserVerifierChoiceList *choice_list_interface;
choice_list_interface = gdm_user_verifier_choice_list_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
NULL);
if (choice_list_interface != NULL)
g_hash_table_insert (user_verifier_extensions, client->enabled_extensions[i], choice_list_interface);
} else if (g_str_equal (client->enabled_extensions[i],
gdm_user_verifier_custom_json_interface_info ()->name)) {
GdmUserVerifierCustomJSON *custom_json_interface;
custom_json_interface = gdm_user_verifier_custom_json_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
NULL);
if (custom_json_interface != NULL) {
g_hash_table_insert (user_verifier_extensions,
client->enabled_extensions[i],
custom_json_interface);
}
}
}
}
}
}
return client->user_verifier;
}
static void
on_connection_for_user_verifier (GdmClient *client,
GAsyncResult *result,
gpointer user_data)
{
GCancellable *cancellable;
g_autoptr(GTask) task = user_data;
g_autoptr(GDBusConnection) connection = NULL;
g_autoptr(GError) error = NULL;
connection = gdm_client_get_connection_finish (client, result, &error);
if (connection == NULL) {
g_task_return_error (task, g_steal_pointer (&error));
return;
}
cancellable = g_task_get_cancellable (task);
gdm_user_verifier_proxy_new (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
on_user_verifier_proxy_created,
g_steal_pointer (&task));
}
/**
* 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)
{
g_autoptr(GTask) task = NULL;
g_return_if_fail (GDM_IS_CLIENT (client));
task = g_task_new (G_OBJECT (client),
cancellable,
callback,
user_data);
if (client->user_verifier != NULL) {
g_task_return_pointer (task,
g_object_ref (client->user_verifier),
(GDestroyNotify) g_object_unref);
return;
}
gdm_client_get_connection (client,
cancellable,
(GAsyncReadyCallback)
on_connection_for_user_verifier,
g_steal_pointer (&task));
}
/**
* 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), NULL);
if (client->user_verifier != NULL)
return g_object_ref (client->user_verifier);
user_verifier = g_task_propagate_pointer (G_TASK (result), error);
if (user_verifier == NULL)
return NULL;
g_set_weak_pointer (&client->user_verifier, user_verifier);
return user_verifier;
}
static GHashTable *
get_user_verifier_extensions (GdmClient *client)
{
GHashTable *user_verifier_extensions = NULL;
if (client->user_verifier_for_reauth != NULL) {
user_verifier_extensions = g_object_get_qdata (G_OBJECT (client->user_verifier_for_reauth),
gdm_client_user_verifier_extensions_quark ());
}
if (user_verifier_extensions == NULL && client->user_verifier != NULL) {
user_verifier_extensions = g_object_get_qdata (G_OBJECT (client->user_verifier),
gdm_client_user_verifier_extensions_quark ());
}
return user_verifier_extensions;
}
/**
* gdm_client_get_user_verifier_choice_list:
* @client: a #GdmClient
*
* Gets a #GdmUserVerifierChoiceList object that can be used to
* verify a user's local account.
*
* Returns: (transfer none): #GdmUserVerifierChoiceList or %NULL if user
* verifier isn't yet fetched, or daemon doesn't support choice lists
*/
GdmUserVerifierChoiceList *
gdm_client_get_user_verifier_choice_list (GdmClient *client)
{
GHashTable *user_verifier_extensions = get_user_verifier_extensions (client);
if (client->user_verifier_for_reauth != NULL) {
user_verifier_extensions = g_object_get_qdata (G_OBJECT (client->user_verifier_for_reauth),
gdm_client_user_verifier_extensions_quark ());
}
if (user_verifier_extensions == NULL && client->user_verifier != NULL) {
user_verifier_extensions = g_object_get_qdata (G_OBJECT (client->user_verifier),
gdm_client_user_verifier_extensions_quark ());
}
return g_hash_table_lookup (user_verifier_extensions,
gdm_user_verifier_choice_list_interface_info ()->name);
}
/**
* gdm_client_get_user_verifier_custom_json:
* @client: a #GdmClient
*
* Gets a #GdmUserVerifierCustomJSON object that can be used to
* verify a user's local account.
*
* Returns: (transfer none): #GdmUserVerifierCustomJSON or %NULL if user
* verifier isn't yet fetched, or daemon doesn't support the custom JSON
* protocol
*/
GdmUserVerifierCustomJSON *
gdm_client_get_user_verifier_custom_json (GdmClient *client)
{
GHashTable *user_verifier_extensions = get_user_verifier_extensions (client);
if (user_verifier_extensions == NULL)
return NULL;
return g_hash_table_lookup (user_verifier_extensions,
gdm_user_verifier_custom_json_interface_info ()->name);
}
static void
on_timed_login_details_got (GdmGreeter *greeter,
GAsyncResult *result)
{
gdm_greeter_call_get_timed_login_details_finish (greeter, NULL, NULL, NULL, result, NULL);
}
static void
query_for_timed_login_requested_signal (GdmGreeter *greeter)
{
/* This just makes sure a timed-login-requested signal gets fired
* off if appropriate.
*/
gdm_greeter_call_get_timed_login_details (greeter,
NULL,
(GAsyncReadyCallback)
on_timed_login_details_got,
NULL);
}
static void
on_greeter_proxy_created (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr(GTask) task = user_data;
g_autoptr(GError) error = NULL;
GdmGreeter *greeter;
greeter = gdm_greeter_proxy_new_finish (result, &error);
if (greeter == NULL) {
g_task_return_error (task, g_steal_pointer (&error));
return;
}
g_task_return_pointer (task,
greeter,
(GDestroyNotify) g_object_unref);
query_for_timed_login_requested_signal (greeter);
}
static void
on_connection_for_greeter (GdmClient *client,
GAsyncResult *result,
gpointer user_data)
{
GCancellable *cancellable;
g_autoptr(GTask) task = user_data;
g_autoptr(GDBusConnection) connection = NULL;
g_autoptr(GError) error = NULL;
connection = gdm_client_get_connection_finish (client, result, &error);
if (connection == NULL) {
g_task_return_error (task, g_steal_pointer (&error));
return;
}
cancellable = g_task_get_cancellable (task);
gdm_greeter_proxy_new (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
on_greeter_proxy_created,
g_steal_pointer (&task));
}
/**
* 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)
{
g_autoptr(GTask) task = NULL;
g_return_if_fail (GDM_IS_CLIENT (client));
task = g_task_new (G_OBJECT (client),
cancellable,
callback,
user_data);
if (client->greeter != NULL) {
g_task_return_pointer (task,
g_object_ref (client->greeter),
(GDestroyNotify) g_object_unref);
return;
}
gdm_client_get_connection (client,
cancellable,
(GAsyncReadyCallback)
on_connection_for_greeter,
g_steal_pointer (&task));
}
/**
* 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), NULL);
if (client->greeter != NULL)
return g_object_ref (client->greeter);
greeter = g_task_propagate_pointer (G_TASK (result), error);
if (greeter == NULL)
return NULL;
g_set_weak_pointer (&client->greeter, greeter);
return 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)
{
g_autoptr(GDBusConnection) connection = NULL;
GdmGreeter *greeter;
if (client->greeter != NULL) {
return g_object_ref (client->greeter);
}
connection = gdm_client_get_connection_sync (client, cancellable, error);
if (connection == NULL) {
return NULL;
}
greeter = gdm_greeter_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
error);
g_set_weak_pointer (&client->greeter, greeter);
if (client->greeter != NULL) {
query_for_timed_login_requested_signal (client->greeter);
}
return client->greeter;
}
static void
on_remote_greeter_proxy_created (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr(GTask) task = user_data;
g_autoptr(GError) error = NULL;
GdmRemoteGreeter *remote_greeter;
remote_greeter = gdm_remote_greeter_proxy_new_finish (result, &error);
if (remote_greeter == NULL) {
g_task_return_error (task, g_steal_pointer (&error));
return;
}
g_task_return_pointer (task,
remote_greeter,
(GDestroyNotify) g_object_unref);
}
static void
on_connection_for_remote_greeter (GdmClient *client,
GAsyncResult *result,
gpointer user_data)
{
GCancellable *cancellable;
g_autoptr(GTask) task = user_data;
g_autoptr(GDBusConnection) connection = NULL;
g_autoptr(GError) error = NULL;
connection = gdm_client_get_connection_finish (client, result, &error);
if (connection == NULL) {
g_task_return_error (task, g_steal_pointer (&error));
return;
}
cancellable = g_task_get_cancellable (task);
gdm_remote_greeter_proxy_new (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
on_remote_greeter_proxy_created,
g_steal_pointer (&task));
}
/**
* 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)
{
g_autoptr (GTask) task = NULL;
g_return_if_fail (GDM_IS_CLIENT (client));
task = g_task_new (G_OBJECT (client),
cancellable,
callback,
user_data);
if (client->remote_greeter != NULL) {
g_task_return_pointer (task,
g_object_ref (client->remote_greeter),
(GDestroyNotify) g_object_unref);
return;
}
gdm_client_get_connection (client,
cancellable,
(GAsyncReadyCallback)
on_connection_for_remote_greeter,
g_steal_pointer (&task));
}
/**
* 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), NULL);
if (client->remote_greeter != NULL)
return g_object_ref (client->remote_greeter);
remote_greeter = g_task_propagate_pointer (G_TASK (result), error);
if (remote_greeter == NULL)
return NULL;
g_set_weak_pointer (&client->remote_greeter, remote_greeter);
return 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)
{
g_autoptr(GDBusConnection) connection = NULL;
GdmRemoteGreeter *remote_greeter;
if (client->remote_greeter != NULL) {
return g_object_ref (client->remote_greeter);
}
connection = gdm_client_get_connection_sync (client, cancellable, error);
if (connection == NULL) {
return NULL;
}
remote_greeter = gdm_remote_greeter_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
error);
g_set_weak_pointer (&client->remote_greeter, remote_greeter);
return client->remote_greeter;
}
static void
on_chooser_proxy_created (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GdmChooser *chooser;
g_autoptr(GTask) task = user_data;
g_autoptr(GError) error = NULL;
chooser = gdm_chooser_proxy_new_finish (result, &error);
if (chooser == NULL) {
g_task_return_error (task, g_steal_pointer (&error));
return;
}
g_task_return_pointer (task,
chooser,
(GDestroyNotify) g_object_unref);
}
static void
on_connection_for_chooser (GdmClient *client,
GAsyncResult *result,
gpointer user_data)
{
GCancellable *cancellable;
g_autoptr(GTask) task = user_data;
g_autoptr(GDBusConnection) connection = NULL;
g_autoptr(GError) error = NULL;
connection = gdm_client_get_connection_finish (client, result, &error);
if (connection == NULL) {
g_task_return_error (task, g_steal_pointer (&error));
return;
}
cancellable = g_task_get_cancellable (task);
gdm_chooser_proxy_new (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
(GAsyncReadyCallback)
on_chooser_proxy_created,
g_steal_pointer (&task));
}
/**
* 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)
{
g_autoptr(GTask) task = NULL;
g_return_if_fail (GDM_IS_CLIENT (client));
task = g_task_new (G_OBJECT (client),
cancellable,
callback,
user_data);
if (client->chooser != NULL) {
g_task_return_pointer (task,
g_object_ref (client->chooser),
(GDestroyNotify) g_object_unref);
return;
}
gdm_client_get_connection (client,
cancellable,
(GAsyncReadyCallback)
on_connection_for_chooser,
g_steal_pointer (&task));
}
/**
* 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), NULL);
if (client->chooser != NULL)
return g_object_ref (client->chooser);
chooser = g_task_propagate_pointer (G_TASK (result), error);
if (chooser == NULL)
return NULL;
g_set_weak_pointer (&client->chooser, chooser);
return 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)
{
g_autoptr(GDBusConnection) connection = NULL;
GdmChooser *chooser;
if (client->chooser != NULL) {
return g_object_ref (client->chooser);
}
connection = gdm_client_get_connection_sync (client, cancellable, error);
if (connection == NULL) {
return NULL;
}
chooser = gdm_chooser_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SESSION_DBUS_PATH,
cancellable,
error);
g_set_weak_pointer (&client->chooser, chooser);
return client->chooser;
}
static void
gdm_client_class_init (GdmClientClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gdm_client_finalize;
}
static void
gdm_client_init (GdmClient *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 != NULL);
g_clear_weak_pointer (&client->user_verifier);
g_clear_weak_pointer (&client->user_verifier_for_reauth);
g_clear_weak_pointer (&client->greeter);
g_clear_weak_pointer (&client->remote_greeter);
g_clear_weak_pointer (&client->chooser);
g_strfreev (client->enabled_extensions);
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);
}
/**
* gdm_client_set_enabled_extensions:
* @client: a #GdmClient
* @extensions: (array zero-terminated=1) (element-type utf8): a list of extensions
*
* Enables GDM's pam extensions. Currently, only
* `org.gnome.DisplayManager.UserVerifier.ChoiceList` and
* `org.gnome.DisplayManager.UserVerifier.CustomJSON` are supported.
*/
void
gdm_client_set_enabled_extensions (GdmClient *client,
const char * const *extensions)
{
client->enabled_extensions = g_strdupv ((char **) extensions);
}
/**
* gdm_client_get_enabled_extensions:
* @client: a #GdmClient
*
* Gets GDM's enabled pam extensions. Currently, only
* `org.gnome.DisplayManager.UserVerifier.ChoiceList` and
* `org.gnome.DisplayManager.UserVerifier.CustomJSON` are supported.
*
* Returns: (array zero-terminated=1) (element-type utf8) (transfer full): a list of extensions
*/
GStrv
gdm_client_get_enabled_extensions (GdmClient *client)
{
return g_strdupv (client->enabled_extensions);
}