+ log_oom();
+}
+
+DBusHandlerResult bus_unit_queue_job(
+ DBusConnection *connection,
+ DBusMessage *message,
+ Unit *u,
+ JobType type,
+ JobMode mode,
+ bool reload_if_possible) {
+
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ _cleanup_free_ char *path = NULL;
+ Job *j;
+ JobBusClient *cl;
+ DBusError error;
+ int r;
+
+ assert(connection);
+ assert(message);
+ assert(u);
+ assert(type >= 0 && type < _JOB_TYPE_MAX);
+ assert(mode >= 0 && mode < _JOB_MODE_MAX);
+
+ dbus_error_init(&error);
+
+ if (reload_if_possible && unit_can_reload(u)) {
+ if (type == JOB_RESTART)
+ type = JOB_RELOAD_OR_START;
+ else if (type == JOB_TRY_RESTART)
+ type = JOB_RELOAD;
+ }
+
+ SELINUX_UNIT_ACCESS_CHECK(u, connection, message,
+ (type == JOB_START || type == JOB_RESTART || type == JOB_TRY_RESTART) ? "start" :
+ type == JOB_STOP ? "stop" : "reload");
+
+ if (type == JOB_STOP && u->load_state == UNIT_ERROR && unit_active_state(u) == UNIT_INACTIVE) {
+ dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", u->id);
+ return bus_send_error_reply(connection, message, &error, -EPERM);
+ }
+
+ if ((type == JOB_START && u->refuse_manual_start) ||
+ (type == JOB_STOP && u->refuse_manual_stop) ||
+ ((type == JOB_RESTART || type == JOB_TRY_RESTART) && (u->refuse_manual_start || u->refuse_manual_stop))) {
+ dbus_set_error(&error, BUS_ERROR_ONLY_BY_DEPENDENCY,
+ "Operation refused, unit %s may be requested by dependency only.", u->id);
+ return bus_send_error_reply(connection, message, &error, -EPERM);
+ }
+
+ r = manager_add_job(u->manager, type, u, mode, true, &error, &j);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
+
+ cl = job_bus_client_new(connection, bus_message_get_sender_with_fallback(message));
+ if (!cl)
+ goto oom;
+
+ LIST_PREPEND(JobBusClient, client, j->bus_client_list, cl);
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply)
+ goto oom;
+
+ path = job_dbus_path(j);
+ if (!path)
+ goto oom;
+
+ if (!dbus_message_append_args(
+ reply,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID))
+ goto oom;
+
+ if (!dbus_connection_send(connection, reply, NULL))
+ goto oom;
+
+ return DBUS_HANDLER_RESULT_HANDLED;
+
+oom:
+ dbus_error_free(&error);
+
+ return DBUS_HANDLER_RESULT_NEED_MEMORY;
+}
+
+static int next_and_parse_mode(DBusMessageIter *iter, bool *runtime) {
+ const char *mode;
+
+ assert(iter);
+ assert(runtime);
+
+ dbus_message_iter_next(iter);
+ if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(iter, &mode);
+ if (streq(mode, "runtime"))
+ *runtime = true;
+ else if (streq(mode, "persistent"))
+ *runtime = false;
+ else
+ return -EINVAL;
+
+ return 0;
+}
+
+int bus_unit_cgroup_set(Unit *u, DBusMessageIter *iter) {
+ int r;
+ _cleanup_strv_free_ char **a = NULL;
+ char **name;
+ bool runtime;
+
+ assert(u);
+ assert(iter);
+
+ if (!unit_get_exec_context(u))
+ return -EINVAL;
+
+ r = bus_parse_strv_iter(iter, &a);
+ if (r < 0)
+ return r;
+
+ r = next_and_parse_mode(iter, &runtime);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(name, a) {
+ _cleanup_free_ char *controller = NULL, *old_path = NULL, *new_path = NULL, *contents = NULL;
+ CGroupBonding *b;
+
+ r = cg_split_spec(*name, &controller, &new_path);
+ if (r < 0)
+ return r;
+
+ b = cgroup_bonding_find_list(u->cgroup_bondings, controller);
+ if (b) {
+ old_path = strdup(b->path);
+ if (!old_path)
+ return -ENOMEM;
+ }
+
+ r = unit_add_cgroup_from_text(u, *name, true, &b);
+ if (r < 0)
+ return r;
+
+ if (r > 0) {
+ /* Try to move things to the new place, and clean up the old place */
+ cgroup_bonding_realize(b);
+ cgroup_bonding_migrate(b, u->cgroup_bondings);
+
+ if (old_path)
+ cg_trim(controller, old_path, true);
+ }
+
+ contents = strjoin("[", UNIT_VTABLE(u)->exec_section, "]\n"
+ "ControlGroup=", *name, "\n", NULL);
+ if (!contents)
+ return -ENOMEM;
+
+ r = unit_write_drop_in(u, runtime, *name, contents);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+int bus_unit_cgroup_unset(Unit *u, DBusMessageIter *iter) {
+ _cleanup_strv_free_ char **a = NULL;
+ char **name;
+ int r;
+ bool runtime;
+
+ assert(u);
+ assert(iter);
+
+ if (!unit_get_exec_context(u))
+ return -EINVAL;
+
+ r = bus_parse_strv_iter(iter, &a);
+ if (r < 0)
+ return r;
+
+ r = next_and_parse_mode(iter, &runtime);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(name, a) {
+ _cleanup_free_ char *controller = NULL, *path = NULL, *target = NULL;
+ CGroupBonding *b;
+
+ r = cg_split_spec(*name, &controller, &path);
+ if (r < 0)
+ return r;
+
+ if (!controller || streq(controller, SYSTEMD_CGROUP_CONTROLLER))
+ return -EINVAL;
+
+ unit_remove_drop_in(u, runtime, *name);
+
+ b = cgroup_bonding_find_list(u->cgroup_bondings, controller);
+ if (!b)
+ continue;
+
+ if (path && !path_equal(path, b->path))
+ continue;
+
+ if (b->essential)
+ return -EINVAL;
+
+ /* Try to migrate the old group away */
+ if (cg_get_by_pid(controller, 0, &target) >= 0)
+ cgroup_bonding_migrate_to(u->cgroup_bondings, target, false);
+
+ cgroup_bonding_free(b, true);
+ }