+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "TakeControl")) {
+ dbus_bool_t force;
+ unsigned long ul;
+
+ if (!dbus_message_get_args(
+ message,
+ &error,
+ DBUS_TYPE_BOOLEAN, &force,
+ DBUS_TYPE_INVALID))
+ return bus_send_error_reply(connection, message, &error, -EINVAL);
+
+ ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), &error);
+ if (ul == (unsigned long) -1)
+ return bus_send_error_reply(connection, message, &error, -EIO);
+
+ if (ul != 0 && (force || ul != s->user->uid))
+ return bus_send_error_reply(connection, message, NULL, -EPERM);
+
+ r = session_set_controller(s, bus_message_get_sender_with_fallback(message), force);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, NULL, r);
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
+ goto oom;
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "ReleaseControl")) {
+ const char *sender = bus_message_get_sender_with_fallback(message);
+
+ if (!session_is_controller(s, sender))
+ return bus_send_error_reply(connection, message, NULL, -EPERM);
+
+ session_drop_controller(s);
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
+ goto oom;
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "TakeDevice")) {
+ SessionDevice *sd;
+ bool b;
+ dbus_bool_t paused;
+ uint32_t major, minor;
+ dev_t dev;
+
+ if (!session_is_controller(s, bus_message_get_sender_with_fallback(message)))
+ return bus_send_error_reply(connection, message, NULL, -EPERM);
+
+ if (!dbus_message_get_args(
+ message,
+ &error,
+ DBUS_TYPE_UINT32, &major,
+ DBUS_TYPE_UINT32, &minor,
+ DBUS_TYPE_INVALID))
+ return bus_send_error_reply(connection, message, &error, -EINVAL);
+
+ dev = makedev(major, minor);
+ sd = hashmap_get(s->devices, &dev);
+ if (sd) {
+ /* We don't allow retrieving a device multiple times.
+ * The related ReleaseDevice call is not ref-counted.
+ * The caller should use dup() if it requires more than
+ * one fd (it would be functionally equivalent). */
+ return bus_send_error_reply(connection, message, &error, -EBUSY);
+ }
+
+ r = session_device_new(s, dev, &sd);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, NULL, r);
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply) {
+ session_device_free(sd);
+ goto oom;
+ }
+
+ paused = !sd->active;
+ b = dbus_message_append_args(
+ reply,
+ DBUS_TYPE_UNIX_FD, &sd->fd,
+ DBUS_TYPE_BOOLEAN, &paused,
+ DBUS_TYPE_INVALID);
+ if (!b) {
+ session_device_free(sd);
+ return bus_send_error_reply(connection, message, NULL, -ENOMEM);
+ }
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "ReleaseDevice")) {
+ SessionDevice *sd;
+ uint32_t major, minor;
+ dev_t dev;
+
+ if (!session_is_controller(s, bus_message_get_sender_with_fallback(message)))
+ return bus_send_error_reply(connection, message, NULL, -EPERM);
+
+ if (!dbus_message_get_args(
+ message,
+ &error,
+ DBUS_TYPE_UINT32, &major,
+ DBUS_TYPE_UINT32, &minor,
+ DBUS_TYPE_INVALID))
+ return bus_send_error_reply(connection, message, &error, -EINVAL);
+
+ dev = makedev(major, minor);
+ sd = hashmap_get(s->devices, &dev);
+ if (!sd)
+ return bus_send_error_reply(connection, message, NULL, -ENODEV);
+
+ session_device_free(sd);
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
+ goto oom;
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "PauseDeviceComplete")) {
+ SessionDevice *sd;
+ uint32_t major, minor;
+ dev_t dev;
+
+ if (!session_is_controller(s, bus_message_get_sender_with_fallback(message)))
+ return bus_send_error_reply(connection, message, NULL, -EPERM);
+
+ if (!dbus_message_get_args(
+ message,
+ &error,
+ DBUS_TYPE_UINT32, &major,
+ DBUS_TYPE_UINT32, &minor,
+ DBUS_TYPE_INVALID))
+ return bus_send_error_reply(connection, message, &error, -EINVAL);
+
+ dev = makedev(major, minor);
+ sd = hashmap_get(s->devices, &dev);
+ if (!sd)
+ return bus_send_error_reply(connection, message, NULL, -ENODEV);
+
+ session_device_complete_pause(sd);
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
+ goto oom;
+