/**
* polkit_backend_session_monitor_get_user:
* @monitor: A #PolkitBackendSessionMonitor.
* @subject: A #PolkitSubject.
* @error: Return location for error.
*
* Gets the user corresponding to @subject or %NULL if no user exists.
*
* Returns: %NULL if @error is set otherwise a #PolkitUnixUser that should be freed with g_object_unref().
*/
PolkitIdentity *
polkit_backend_session_monitor_get_user_for_subject (PolkitBackendSessionMonitor *monitor,
PolkitSubject *subject,
GError **error)
{
PolkitIdentity *ret;
guint32 uid;
ret = NULL;
if (POLKIT_IS_UNIX_PROCESS (subject))
{
uid = polkit_unix_process_get_uid (POLKIT_UNIX_PROCESS (subject));
if ((gint) uid == -1)
{
g_set_error (error,
POLKIT_ERROR,
POLKIT_ERROR_FAILED,
"Unix process subject does not have uid set");
goto out;
}
ret = polkit_unix_user_new (uid);
}
else if (POLKIT_IS_SYSTEM_BUS_NAME (subject))
{
ret = (PolkitIdentity*)polkit_system_bus_name_get_user_sync (POLKIT_SYSTEM_BUS_NAME (subject), NULL, error);
}
else if (POLKIT_IS_UNIX_SESSION (subject))
{
if (sd_session_get_uid (polkit_unix_session_get_session_id (POLKIT_UNIX_SESSION (subject)), &uid) < 0)
{
g_set_error (error,
POLKIT_ERROR,
POLKIT_ERROR_FAILED,
"Error getting uid for session");
goto out;
}
ret = polkit_unix_user_new (uid);
}
out:
return ret;
}
/**
* polkit_system_bus_name_get_user_sync:
* @system_bus_name: A #PolkitSystemBusName.
* @cancellable: (allow-none): A #GCancellable or %NULL.
* @error: (allow-none): Return location for error or %NULL.
*
* Synchronously gets a #PolkitUnixUser object for @system_bus_name;
* the calling thread is blocked until a reply is received.
*
* Returns: (allow-none) (transfer full): A #PolkitUnixUser object or %NULL if @error is set.
**/
PolkitUnixUser *
polkit_system_bus_name_get_user_sync (PolkitSystemBusName *system_bus_name,
GCancellable *cancellable,
GError **error)
{
PolkitUnixUser *ret = NULL;
guint32 uid;
g_return_val_if_fail (POLKIT_IS_SYSTEM_BUS_NAME (system_bus_name), NULL);
g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
if (!polkit_system_bus_name_get_creds_sync (system_bus_name, &uid, NULL,
cancellable, error))
goto out;
ret = (PolkitUnixUser*)polkit_unix_user_new (uid);
out:
return ret;
}
static gboolean
send_dbus_message (const char *cookie,
uid_t uid)
{
PolkitAuthority *authority = NULL;
PolkitIdentity *identity = NULL;
GError *error = NULL;
gboolean ret;
ret = FALSE;
g_type_init ();
authority = polkit_authority_get_sync (NULL, &error);
if (!authority)
{
warnx ("couldn't contact polkit authority: %s", error->message);
goto out;
}
identity = polkit_unix_user_new (uid);
if (!polkit_authority_authentication_agent_response_sync (authority, cookie,
identity, NULL, &error))
{
warnx ("couldn't respond to polkit daemon: %s", error->message);
goto out;
}
ret = TRUE;
out:
g_clear_error (&error);
if (authority)
g_object_unref (authority);
if (identity)
g_object_unref (identity);
return ret;
}
/**
* polkit_backend_session_monitor_get_user:
* @monitor: A #PolkitBackendSessionMonitor.
* @subject: A #PolkitSubject.
* @error: Return location for error.
*
* Gets the user corresponding to @subject or %NULL if no user exists.
*
* Returns: %NULL if @error is set otherwise a #PolkitUnixUser that should be freed with g_object_unref().
*/
PolkitIdentity *
polkit_backend_session_monitor_get_user_for_subject (PolkitBackendSessionMonitor *monitor,
PolkitSubject *subject,
GError **error)
{
PolkitIdentity *ret;
guint32 uid;
ret = NULL;
if (POLKIT_IS_UNIX_PROCESS (subject))
{
uid = polkit_unix_process_get_uid (POLKIT_UNIX_PROCESS (subject));
if ((gint) uid == -1)
{
g_set_error (error,
POLKIT_ERROR,
POLKIT_ERROR_FAILED,
"Unix process subject does not have uid set");
goto out;
}
ret = polkit_unix_user_new (uid);
}
else if (POLKIT_IS_SYSTEM_BUS_NAME (subject))
{
GVariant *result;
result = g_dbus_connection_call_sync (monitor->system_bus,
"org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus",
"GetConnectionUnixUser",
g_variant_new ("(s)", polkit_system_bus_name_get_name (POLKIT_SYSTEM_BUS_NAME (subject))),
G_VARIANT_TYPE ("(u)"),
G_DBUS_CALL_FLAGS_NONE,
-1, /* timeout_msec */
NULL, /* GCancellable */
error);
if (result == NULL)
goto out;
g_variant_get (result, "(u)", &uid);
g_variant_unref (result);
ret = polkit_unix_user_new (uid);
}
else if (POLKIT_IS_UNIX_SESSION (subject))
{
if (sd_session_get_uid (polkit_unix_session_get_session_id (POLKIT_UNIX_SESSION (subject)), &uid) < 0)
{
g_set_error (error,
POLKIT_ERROR,
POLKIT_ERROR_FAILED,
"Error getting uid for session");
goto out;
}
ret = polkit_unix_user_new (uid);
}
out:
return ret;
}
