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gnome-settings-daemon/plugins/smartcard/gsd-smartcard-service.c
Daniel Baumann 18b565039d
Adding upstream version 48.1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 20:20:27 +02:00

857 lines
32 KiB
C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2012 Red Hat, Inc.
* Copyright (C) 2020 Canonical Ltd.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Authors: Ray Strode
*/
#include "config.h"
#include "gsd-smartcard-service.h"
#include "org.gnome.SettingsDaemon.Smartcard.h"
#include "gsd-smartcard-manager.h"
#include "gsd-smartcard-enum-types.h"
#include "gsd-smartcard-utils.h"
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <gio/gio.h>
#include <p11-kit/p11-kit.h>
struct _GsdSmartcardService
{
GsdSmartcardServiceManagerSkeleton parent;
GDBusConnection *bus_connection;
GDBusObjectManagerServer *object_manager_server;
GsdSmartcardManager *smartcard_manager;
GCancellable *cancellable;
GHashTable *tokens;
gboolean login_token_bound;
guint name_id;
};
#define GSD_DBUS_NAME "org.gnome.SettingsDaemon"
#define GSD_DBUS_PATH "/org/gnome/SettingsDaemon"
#define GSD_DBUS_BASE_INTERFACE "org.gnome.SettingsDaemon"
#define GSD_SMARTCARD_DBUS_NAME GSD_DBUS_NAME ".Smartcard"
#define GSD_SMARTCARD_DBUS_PATH GSD_DBUS_PATH "/Smartcard"
#define GSD_SMARTCARD_MANAGER_DBUS_PATH GSD_SMARTCARD_DBUS_PATH "/Manager"
#define GSD_SMARTCARD_MANAGER_DRIVERS_DBUS_PATH GSD_SMARTCARD_MANAGER_DBUS_PATH "/Drivers"
#define GSD_SMARTCARD_MANAGER_TOKENS_DBUS_PATH GSD_SMARTCARD_MANAGER_DBUS_PATH "/Tokens"
enum {
PROP_0,
PROP_MANAGER,
PROP_BUS_CONNECTION
};
static void gsd_smartcard_service_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *param_spec);
static void gsd_smartcard_service_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *param_spec);
static void async_initable_interface_init (GAsyncInitableIface *interface);
static void smartcard_service_manager_interface_init (GsdSmartcardServiceManagerIface *interface);
G_LOCK_DEFINE_STATIC (gsd_smartcard_tokens);
G_DEFINE_TYPE_WITH_CODE (GsdSmartcardService,
gsd_smartcard_service,
GSD_SMARTCARD_SERVICE_TYPE_MANAGER_SKELETON,
G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_INITABLE,
async_initable_interface_init)
G_IMPLEMENT_INTERFACE (GSD_SMARTCARD_SERVICE_TYPE_MANAGER,
smartcard_service_manager_interface_init));
static void
set_bus_connection (GsdSmartcardService *self,
GDBusConnection *connection)
{
if (self->bus_connection != connection) {
g_clear_object (&self->bus_connection);
self->bus_connection = g_object_ref (connection);
g_object_notify (G_OBJECT (self), "bus-connection");
}
}
static void
register_object_manager (GsdSmartcardService *self)
{
g_autoptr(GsdSmartcardServiceObjectSkeleton) object = NULL;
self->object_manager_server = g_dbus_object_manager_server_new (GSD_SMARTCARD_DBUS_PATH);
object = gsd_smartcard_service_object_skeleton_new (GSD_SMARTCARD_MANAGER_DBUS_PATH);
gsd_smartcard_service_object_skeleton_set_manager (object,
GSD_SMARTCARD_SERVICE_MANAGER (self));
g_dbus_object_manager_server_export (self->object_manager_server,
G_DBUS_OBJECT_SKELETON (object));
g_dbus_object_manager_server_set_connection (self->object_manager_server,
self->bus_connection);
}
static const char *
get_login_token_object_path (GsdSmartcardService *self)
{
return GSD_SMARTCARD_MANAGER_TOKENS_DBUS_PATH "/login_token";
}
static void
register_login_token_alias (GsdSmartcardService *self)
{
g_autoptr(GDBusObjectSkeleton) object = NULL;
g_autoptr(GDBusInterfaceSkeleton) interface = NULL;
const char *object_path;
const char *token_name;
token_name = gsd_smartcard_utils_get_login_token_name ();
if (token_name == NULL)
return;
object_path = get_login_token_object_path (self);
object = G_DBUS_OBJECT_SKELETON (gsd_smartcard_service_object_skeleton_new (object_path));
interface = G_DBUS_INTERFACE_SKELETON (gsd_smartcard_service_token_skeleton_new ());
g_dbus_object_skeleton_add_interface (object, interface);
g_object_set (G_OBJECT (interface),
"name", token_name,
"used-to-login", TRUE,
"is-inserted", FALSE,
NULL);
g_dbus_object_manager_server_export (self->object_manager_server,
object);
G_LOCK (gsd_smartcard_tokens);
g_hash_table_insert (self->tokens, g_strdup (object_path), interface);
G_UNLOCK (gsd_smartcard_tokens);
}
static void
on_bus_gotten (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr(GTask) task = g_steal_pointer (&user_data);
GsdSmartcardService *self;
GDBusConnection *connection;
GError *error = NULL;
connection = g_bus_get_finish (result, &error);
if (connection == NULL) {
g_task_return_error (task, error);
return;
}
g_debug ("taking name %s on session bus", GSD_SMARTCARD_DBUS_NAME);
self = g_task_get_source_object (task);
set_bus_connection (self, connection);
register_object_manager (self);
self->name_id = g_bus_own_name_on_connection (connection,
GSD_SMARTCARD_DBUS_NAME,
G_BUS_NAME_OWNER_FLAGS_NONE,
NULL,
NULL,
NULL,
NULL);
/* In case the login token is removed at start up, register an
* an alias interface that's always around
*/
register_login_token_alias (self);
g_task_return_boolean (task, TRUE);
}
static gboolean
gsd_smartcard_service_initable_init_finish (GAsyncInitable *initable,
GAsyncResult *result,
GError **error)
{
GTask *task;
task = G_TASK (result);
return g_task_propagate_boolean (task, error);
}
static void
gsd_smartcard_service_initable_init_async (GAsyncInitable *initable,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GsdSmartcardService *self = GSD_SMARTCARD_SERVICE (initable);
GTask *task;
task = g_task_new (G_OBJECT (self), cancellable, callback, user_data);
g_task_set_priority (task, io_priority);
g_bus_get (G_BUS_TYPE_SESSION, cancellable, (GAsyncReadyCallback) on_bus_gotten, task);
}
static void
async_initable_interface_init (GAsyncInitableIface *interface)
{
interface->init_async = gsd_smartcard_service_initable_init_async;
interface->init_finish = gsd_smartcard_service_initable_init_finish;
}
static char *
module_get_path (GckModule *module)
{
return p11_kit_config_option (gck_module_get_functions (module), "module");
}
static char *
get_object_path_for_token (GsdSmartcardService *self,
GckSlot *slot)
{
g_autofree char *module_path = NULL;
g_autofree char *escaped_library_path = NULL;
g_autoptr(GckModule) module = NULL;
module = gck_slot_get_module (slot);
module_path = module_get_path (module);
escaped_library_path = gsd_smartcard_utils_escape_object_path (module_path);
return g_strdup_printf ("%s/token_from_%s_slot_%lu",
GSD_SMARTCARD_MANAGER_TOKENS_DBUS_PATH,
escaped_library_path,
gck_slot_get_handle (slot));
}
static gboolean
gsd_smartcard_service_handle_get_login_token (GsdSmartcardServiceManager *manager,
GDBusMethodInvocation *invocation)
{
GsdSmartcardService *self = GSD_SMARTCARD_SERVICE (manager);
g_autoptr(GckSlot) card_slot = NULL;
g_autofree char *object_path = NULL;
card_slot = gsd_smartcard_manager_get_login_token (self->smartcard_manager);
if (card_slot == NULL) {
const char *login_token_object_path;
/* If we know there's a login token but it was removed before the
* smartcard manager could examine it, just return the generic login
* token object path
*/
login_token_object_path = get_login_token_object_path (self);
if (g_hash_table_contains (self->tokens, login_token_object_path)) {
gsd_smartcard_service_manager_complete_get_login_token (manager,
invocation,
login_token_object_path);
return TRUE;
}
g_dbus_method_invocation_return_error (invocation,
GSD_SMARTCARD_MANAGER_ERROR,
GSD_SMARTCARD_MANAGER_ERROR_FINDING_SMARTCARD,
_("User was not logged in with smartcard."));
return TRUE;
}
object_path = get_object_path_for_token (self, card_slot);
gsd_smartcard_service_manager_complete_get_login_token (manager,
invocation,
object_path);
return TRUE;
}
static gboolean
gsd_smartcard_service_handle_get_inserted_tokens (GsdSmartcardServiceManager *manager,
GDBusMethodInvocation *invocation)
{
GsdSmartcardService *self = GSD_SMARTCARD_SERVICE (manager);
g_autolist(GckSlot) inserted_tokens = NULL;
g_autoptr(GPtrArray) object_paths = NULL;
GList *node;
inserted_tokens = gsd_smartcard_manager_get_inserted_tokens (self->smartcard_manager,
NULL);
object_paths = g_ptr_array_new_with_free_func (g_free);
for (node = inserted_tokens; node != NULL; node = node->next) {
GckSlot *card_slot = node->data;
char *object_path;
object_path = get_object_path_for_token (self, card_slot);
g_ptr_array_add (object_paths, object_path);
}
g_ptr_array_add (object_paths, NULL);
gsd_smartcard_service_manager_complete_get_inserted_tokens (manager,
invocation,
(const char * const *) object_paths->pdata);
return TRUE;
}
static void
smartcard_service_manager_interface_init (GsdSmartcardServiceManagerIface *interface)
{
interface->handle_get_login_token = gsd_smartcard_service_handle_get_login_token;
interface->handle_get_inserted_tokens = gsd_smartcard_service_handle_get_inserted_tokens;
}
static void
gsd_smartcard_service_init (GsdSmartcardService *self)
{
self->tokens = g_hash_table_new_full (g_str_hash,
g_str_equal,
(GDestroyNotify) g_free,
NULL);
}
static void
gsd_smartcard_service_dispose (GObject *object)
{
GsdSmartcardService *self = GSD_SMARTCARD_SERVICE (object);
g_clear_handle_id (&self->name_id, g_bus_unown_name);
g_clear_object (&self->bus_connection);
g_clear_object (&self->object_manager_server);
g_clear_object (&self->smartcard_manager);
g_cancellable_cancel (self->cancellable);
g_clear_object (&self->cancellable);
g_clear_pointer (&self->tokens, g_hash_table_unref);
G_OBJECT_CLASS (gsd_smartcard_service_parent_class)->dispose (object);
}
static void
gsd_smartcard_service_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *param_spec)
{
GsdSmartcardService *self = GSD_SMARTCARD_SERVICE (object);
switch (property_id) {
case PROP_MANAGER:
self->smartcard_manager = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, param_spec);
break;
}
}
static void
gsd_smartcard_service_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *param_spec)
{
GsdSmartcardService *self = GSD_SMARTCARD_SERVICE (object);
switch (property_id) {
case PROP_MANAGER:
g_value_set_object (value, self->smartcard_manager);
break;
case PROP_BUS_CONNECTION:
g_value_set_object (value, self->bus_connection);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, param_spec);
break;
}
}
static void
gsd_smartcard_service_class_init (GsdSmartcardServiceClass *service_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (service_class);
GParamSpec *param_spec;
object_class->dispose = gsd_smartcard_service_dispose;
object_class->set_property = gsd_smartcard_service_set_property;
object_class->get_property = gsd_smartcard_service_get_property;
param_spec = g_param_spec_object ("manager",
"Smartcard Manager",
"Smartcard Manager",
GSD_TYPE_SMARTCARD_MANAGER,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_property (object_class, PROP_MANAGER, param_spec);
param_spec = g_param_spec_object ("bus-connection",
"Bus Connection",
"bus connection",
G_TYPE_DBUS_CONNECTION,
G_PARAM_READABLE);
g_object_class_install_property (object_class, PROP_BUS_CONNECTION, param_spec);
}
static void
on_new_async_finished (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr(GTask) task = g_steal_pointer (&user_data);
GError *error = NULL;
GObject *object;
object = g_async_initable_new_finish (G_ASYNC_INITABLE (source_object),
result,
&error);
if (object == NULL) {
g_task_return_error (task, error);
return;
}
g_assert (GSD_IS_SMARTCARD_SERVICE (object));
g_task_return_pointer (task, object, g_object_unref);
}
void
gsd_smartcard_service_new_async (GsdSmartcardManager *manager,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
task = g_task_new (NULL, cancellable, callback, user_data);
g_async_initable_new_async (GSD_TYPE_SMARTCARD_SERVICE,
G_PRIORITY_DEFAULT,
cancellable,
(GAsyncReadyCallback) on_new_async_finished,
task,
"manager", manager,
NULL);
}
GsdSmartcardService *
gsd_smartcard_service_new_finish (GAsyncResult *result,
GError **error)
{
GTask *task;
GsdSmartcardService *self = NULL;
task = G_TASK (result);
self = g_task_propagate_pointer (task, error);
if (self == NULL)
return self;
return g_object_ref (self);
}
static char *
get_object_path_for_module_path (GsdSmartcardService *self,
const char *module_path)
{
char *object_path;
g_autofree char *escaped_library_path = NULL;
escaped_library_path = gsd_smartcard_utils_escape_object_path (module_path);
object_path = g_build_path ("/",
GSD_SMARTCARD_MANAGER_DRIVERS_DBUS_PATH,
escaped_library_path, NULL);
return object_path;
}
static char *
get_object_path_for_module (GsdSmartcardService *self,
GckModule *module)
{
g_autofree char *module_path = NULL;
module_path = module_get_path (module);
return get_object_path_for_module_path (self, module_path);
}
void
gsd_smartcard_service_register_driver (GsdSmartcardService *self,
GckModule *module)
{
g_autoptr(GDBusObjectSkeleton) object = NULL;
g_autoptr(GDBusInterfaceSkeleton) interface = NULL;
g_autoptr(GckModuleInfo) module_info = NULL;
g_autofree char *object_path = NULL;
g_autofree char *module_path = NULL;
const char *module_description;
module_path = module_get_path (module);
object_path = get_object_path_for_module_path (self, module_path);
object = G_DBUS_OBJECT_SKELETON (gsd_smartcard_service_object_skeleton_new (object_path));
interface = G_DBUS_INTERFACE_SKELETON (gsd_smartcard_service_driver_skeleton_new ());
g_dbus_object_skeleton_add_interface (object, interface);
module_info = gck_module_get_info (module);
module_description = module_info ? module_info->library_description : NULL;
g_debug ("Registering driver %s", module_description);
g_object_set (G_OBJECT (interface),
"library", module_path,
"description", module_description,
NULL);
g_dbus_object_manager_server_export (self->object_manager_server,
object);
}
static void
synchronize_token_now (GsdSmartcardService *self,
GckSlot *card_slot)
{
GDBusInterfaceSkeleton *interface;
g_autoptr(GckTokenInfo) token_info = NULL;
g_autoptr(GMutexLocker) locked = NULL;
g_autofree char *object_path = NULL;
g_autofree char *token_name = NULL;
gboolean was_present, is_present, is_login_card;
object_path = get_object_path_for_token (self, card_slot);
locked = g_mutex_locker_new (&G_LOCK_NAME (gsd_smartcard_tokens));
interface = g_hash_table_lookup (self->tokens, object_path);
if (interface == NULL)
return;
g_object_get (G_OBJECT (interface),
"is-inserted", &was_present,
NULL);
is_present = gck_slot_has_flags (card_slot, CKF_TOKEN_PRESENT);
if (was_present) {
g_object_get (G_OBJECT (interface),
"name", &token_name,
NULL);
} else if (is_present) {
token_info = gck_slot_get_token_info (card_slot);
if (token_info)
token_name = g_strdup (token_info->label);
}
if (g_strcmp0 (gsd_smartcard_utils_get_login_token_name (), token_name) == 0)
is_login_card = TRUE;
else
is_login_card = FALSE;
g_debug ("===============================");
g_debug (" Token '%s'", token_name);
g_debug (" Inserted: %s", is_present? "yes" : "no");
g_debug (" Previously used to login: %s", is_login_card? "yes" : "no");
g_debug ("===============================\n");
if (!is_present && is_login_card) {
if (was_present)
gsd_smartcard_manager_do_remove_action (self->smartcard_manager);
}
g_object_set (G_OBJECT (interface),
"used-to-login", is_login_card,
"is-inserted", is_present,
NULL);
g_object_get (G_OBJECT (interface),
"used-to-login", &is_login_card,
"is-inserted", &is_present,
NULL);
if (is_login_card && !self->login_token_bound) {
const char *login_token_path;
GDBusInterfaceSkeleton *login_token_interface;
login_token_path = get_login_token_object_path (self);
login_token_interface = g_hash_table_lookup (self->tokens, login_token_path);
if (login_token_interface != NULL) {
g_object_bind_property (interface, "driver",
login_token_interface, "driver",
G_BINDING_SYNC_CREATE);
g_object_bind_property (interface, "is-inserted",
login_token_interface, "is-inserted",
G_BINDING_SYNC_CREATE);
self->login_token_bound = TRUE;
}
}
}
typedef struct
{
GckSlot *card_slot;
GckTokenInfo *token_info;
char *object_path;
GSource *main_thread_source;
} RegisterNewTokenOperation;
static void
destroy_register_new_token_operation (RegisterNewTokenOperation *operation)
{
g_clear_pointer (&operation->main_thread_source,
g_source_destroy);
g_clear_object (&operation->card_slot);
g_clear_pointer (&operation->token_info, gck_token_info_free);
g_free (operation->object_path);
g_free (operation);
}
static gboolean
on_main_thread_to_register_new_token (GTask *task)
{
GsdSmartcardService *self;
RegisterNewTokenOperation *operation;
g_autoptr(GDBusObjectSkeleton) object = NULL;
g_autoptr(GDBusInterfaceSkeleton) interface = NULL;
g_autoptr(GckModule) module = NULL;
g_autofree char *driver_object_path = NULL;
const char *token_name;
self = g_task_get_source_object (task);
operation = g_task_get_task_data (task);
operation->main_thread_source = NULL;
object = G_DBUS_OBJECT_SKELETON (gsd_smartcard_service_object_skeleton_new (operation->object_path));
interface = G_DBUS_INTERFACE_SKELETON (gsd_smartcard_service_token_skeleton_new ());
g_dbus_object_skeleton_add_interface (object, interface);
module = gck_slot_get_module (operation->card_slot);
driver_object_path = get_object_path_for_module (self, module);
token_name = operation->token_info->label;
g_object_set (G_OBJECT (interface),
"driver", driver_object_path,
"name", token_name,
NULL);
g_dbus_object_manager_server_export (self->object_manager_server,
object);
G_LOCK (gsd_smartcard_tokens);
g_hash_table_insert (self->tokens, g_strdup (operation->object_path), interface);
G_UNLOCK (gsd_smartcard_tokens);
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return G_SOURCE_REMOVE;
}
static void
create_main_thread_source (GSourceFunc callback,
gpointer user_data,
GSource **source_out)
{
g_autoptr(GSource) source = NULL;
source = g_idle_source_new ();
g_source_set_callback (source, callback, user_data, NULL);
*source_out = source;
g_source_attach (source, NULL);
}
static void
register_new_token_in_main_thread (GsdSmartcardService *self,
GckSlot *card_slot,
char *object_path,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
RegisterNewTokenOperation *operation;
GTask *task;
operation = g_new0 (RegisterNewTokenOperation, 1);
operation->card_slot = g_object_ref (card_slot);
operation->token_info = gck_slot_get_token_info (card_slot);
operation->object_path = g_strdup (object_path);
task = g_task_new (self, cancellable, callback, user_data);
g_task_set_task_data (task,
operation,
(GDestroyNotify) destroy_register_new_token_operation);
create_main_thread_source ((GSourceFunc) on_main_thread_to_register_new_token,
task,
&operation->main_thread_source);
}
static gboolean
register_new_token_in_main_thread_finish (GsdSmartcardService *self,
GAsyncResult *result,
GError **error)
{
return g_task_propagate_boolean (G_TASK (result), error);
}
static void
on_token_registered (GsdSmartcardService *self,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr(GckSlot) card_slot = g_steal_pointer (&user_data);
gboolean registered;
GError *error = NULL;
registered = register_new_token_in_main_thread_finish (self, result, &error);
if (!registered) {
g_debug ("Couldn't register token: %s",
error->message);
return;
}
synchronize_token_now (self, card_slot);
}
typedef struct
{
GckSlot *card_slot;
GSource *main_thread_source;
} SynchronizeTokenOperation;
static void
destroy_synchronize_token_operation (SynchronizeTokenOperation *operation)
{
g_clear_pointer (&operation->main_thread_source,
g_source_destroy);
g_clear_object (&operation->card_slot);
g_free (operation);
}
static gboolean
on_main_thread_to_synchronize_token (GTask *task)
{
GsdSmartcardService *self;
SynchronizeTokenOperation *operation;
self = g_task_get_source_object (task);
operation = g_task_get_task_data (task);
operation->main_thread_source = NULL;
synchronize_token_now (self, operation->card_slot);
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return G_SOURCE_REMOVE;
}
static gboolean
synchronize_token_in_main_thread_finish (GsdSmartcardService *self,
GAsyncResult *result,
GError **error)
{
return g_task_propagate_boolean (G_TASK (result), error);
}
static void
synchronize_token_in_main_thread (GsdSmartcardService *self,
GckSlot *card_slot,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
SynchronizeTokenOperation *operation;
GTask *task;
operation = g_new0 (SynchronizeTokenOperation, 1);
operation->card_slot = g_object_ref (card_slot);
task = g_task_new (self, cancellable, callback, user_data);
g_task_set_task_data (task,
operation,
(GDestroyNotify)
destroy_synchronize_token_operation);
create_main_thread_source ((GSourceFunc)
on_main_thread_to_synchronize_token,
task,
&operation->main_thread_source);
}
static void
on_token_synchronized (GsdSmartcardService *self,
GAsyncResult *result,
gpointer user_data)
{
gboolean synchronized;
GError *error = NULL;
synchronized = synchronize_token_in_main_thread_finish (self, result, &error);
if (!synchronized)
g_debug ("Couldn't synchronize token: %s", error->message);
}
void
gsd_smartcard_service_sync_token (GsdSmartcardService *self,
GckSlot *card_slot,
GCancellable *cancellable)
{
g_autofree char *object_path = NULL;
GDBusInterfaceSkeleton *interface;
object_path = get_object_path_for_token (self, card_slot);
G_LOCK (gsd_smartcard_tokens);
interface = g_hash_table_lookup (self->tokens, object_path);
G_UNLOCK (gsd_smartcard_tokens);
if (interface == NULL)
register_new_token_in_main_thread (self,
card_slot,
object_path,
cancellable,
(GAsyncReadyCallback)
on_token_registered,
g_object_ref (card_slot));
else
synchronize_token_in_main_thread (self,
card_slot,
cancellable,
(GAsyncReadyCallback)
on_token_synchronized,
NULL);
}