1 /* 2 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jfr.jmx.security; 27 28 import java.lang.management.ManagementFactory; 29 import java.util.concurrent.CountDownLatch; 30 31 import javax.management.Notification; 32 import javax.management.NotificationListener; 33 import javax.management.ObjectName; 34 35 import jdk.management.jfr.FlightRecorderMXBean; 36 import jdk.test.lib.Asserts; 37 38 import jdk.jfr.jmx.JmxHelper; 39 40 /* 41 * @test 42 * @key jfr 43 * @summary Test with minimal needed permissions. All functions should work. 44 * @library /test/lib /test/jdk 45 * @run main/othervm/secure=java.lang.SecurityManager/java.security.policy=listener.policy jdk.jfr.jmx.security.TestNotificationListenerPermission 46 */ 47 public class TestNotificationListenerPermission { 48 private static boolean gotSecurityException; 49 50 static class TestListener implements NotificationListener { 51 private final CountDownLatch latch = new CountDownLatch(1); 52 53 @Override 54 public void handleNotification(Notification arg0, Object arg1) { 55 try { 56 System.getProperty("user.name"); 57 } catch (SecurityException se) { 58 se.printStackTrace(); 59 gotSecurityException = true; 60 } 61 latch.countDown(); 62 } 63 64 public void awaitNotication() throws InterruptedException { 65 latch.await(); 66 } 67 } 68 69 public static void main(String[] args) throws Throwable { 70 try { 71 System.getProperty("user.name"); 72 Asserts.fail("Didn't get security exception. Test not configured propertly?"); 73 } catch (SecurityException se) { 74 // as expected 75 } 76 FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean(); 77 TestListener testListener = new TestListener(); 78 ManagementFactory.getPlatformMBeanServer().addNotificationListener(new ObjectName(FlightRecorderMXBean.MXBEAN_NAME), testListener, null, null); 79 long id = bean.newRecording(); 80 bean.startRecording(id); 81 testListener.awaitNotication(); 82 Asserts.assertTrue(gotSecurityException, "Should not get elevated privileges in notification handler!"); 83 bean.stopRecording(id); 84 bean.closeRecording(id); 85 } 86 }