--- /dev/null 2020-01-02 04:43:18.583999853 +0000 +++ new/test/jdk/jfr/jmx/security/TestNotificationListenerPermission.java 2020-01-30 06:37:02.872710735 +0000 @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package jdk.jfr.jmx.security; + +import java.lang.management.ManagementFactory; +import java.util.concurrent.CountDownLatch; + +import javax.management.Notification; +import javax.management.NotificationListener; +import javax.management.ObjectName; + +import jdk.management.jfr.FlightRecorderMXBean; +import jdk.test.lib.Asserts; + +import jdk.jfr.jmx.JmxHelper; + +/** + * @test + * @key jfr + * @summary Test with minimal needed permissions. All functions should work. + * + * @library /lib / + * @run main/othervm/secure=java.lang.SecurityManager/java.security.policy=listener.policy jdk.jfr.jmx.security.TestNotificationListenerPermission + */ +public class TestNotificationListenerPermission { + private static boolean gotSecurityException; + + static class TestListener implements NotificationListener { + private final CountDownLatch latch = new CountDownLatch(1); + + @Override + public void handleNotification(Notification arg0, Object arg1) { + try { + System.getProperty("user.name"); + } catch (SecurityException se) { + se.printStackTrace(); + gotSecurityException = true; + } + latch.countDown(); + } + + public void awaitNotication() throws InterruptedException { + latch.await(); + } + } + + public static void main(String[] args) throws Throwable { + try { + System.getProperty("user.name"); + Asserts.fail("Didn't get security exception. Test not configured propertly?"); + } catch (SecurityException se) { + // as expected + } + FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean(); + TestListener testListener = new TestListener(); + ManagementFactory.getPlatformMBeanServer().addNotificationListener(new ObjectName(FlightRecorderMXBean.MXBEAN_NAME), testListener, null, null); + long id = bean.newRecording(); + bean.startRecording(id); + testListener.awaitNotication(); + Asserts.assertTrue(gotSecurityException, "Should not get elevated privileges in notification handler!"); + bean.stopRecording(id); + bean.closeRecording(id); + } +}