fancontrol-gui/polkit/rules.in

polkit.addRule(function(action, subject) {
    if (action.id == "@STANDARD_HELPER_ID@.action" && subject.isInGroup("@POLKIT_GROUP_NAME@")) {
        return polkit.Result.YES;
    }

    if (action.id == "org.freedesktop.systemd1.manage-units") {
        if (action.lookup("unit") == "@STANDARD_SERVICE_NAME@.service" && subject.isInGroup("@POLKIT_GROUP_NAME@")) {
            var verb = action.lookup("verb");
            if (verb == "start" || verb == "stop" || verb == "restart") {
                return polkit.Result.YES;
            }
        }
    }
});