polkit.addRule(function(action, subject) {
    if (action.id.indexOf("org.freedesktop.login1.reboot") == 0) {
	return polkit.Result.NO;
    }
});

polkit.addRule(function(action, subject) {
    if (action.id == "org.freedesktop.upower.suspend" ||
        action.id == "org.freedesktop.upower.hibernate" ||
	action.id == "org.freedesktop.login1.shutdown" ||
	action.id == "org.freedesktop.login1.inhibit-block-shutdown" ||
	action.id == "org.freedesktop.login1.inhibit-handle-power-key" ||
	action.id == "org.freedesktop.login1.power-off" ||
	action.id == "org.freedesktop.login1.power-off-multiple-sessions" ||
	action.id == "org.freedesktop.login1.power-off-ignore-inhibit" ||
	action.id == "org.freedesktop.login1.reboot-multiple-sessions" ||
	action.id == "org.freedesktop.login1.reboot-ignore-inhibit" ||
	action.id == "org.freedesktop.login1.inhibit-delay-shutdown") {
        return polkit.Result.NO;
    }
});