1 /* 2 * Copyright (c) 2015, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.security.AccessControlException; 25 import java.security.Permission; 26 import java.security.Policy; 27 import java.security.ProtectionDomain; 28 import java.util.List; 29 30 /* 31 * @test 32 * @bug 8042901 33 * @summary Check permission for PlatformMBeanProvider Constructor 34 * @modules java.management/sun.management.spi 35 * @author Shanliang Jiang 36 */ 37 public class PlatformMBeanProviderConstructorCheck { 38 public static void main(String[] args) throws Exception { 39 Policy origPolicy = Policy.getPolicy(); 40 SecurityManager origSM = System.getSecurityManager(); 41 try { 42 System.out.println("---PlatformMBeanProviderConstructorCheck starting..."); 43 44 Policy.setPolicy(new MyPolicy()); 45 System.setSecurityManager(new SecurityManager()); 46 47 System.out.println("---PlatformMBeanProviderConstructorCheck Testing without permission..."); 48 try { 49 new MyProvider(); 50 throw new RuntimeException("Does not get expected AccessControlException!"); 51 } catch (AccessControlException ace) { 52 System.out.println("---PlatformMBeanProviderConstructorCheck got the expected exception: " 53 + ace); 54 } 55 56 System.out.println("---PlatformMBeanProviderConstructorCheck Testing with permission..."); 57 MyPolicy.allowed = true; 58 new MyProvider(); 59 60 System.out.println("---PlatformMBeanProviderConstructorCheck PASSED!"); 61 } finally { 62 System.setSecurityManager(origSM); 63 Policy.setPolicy(origPolicy); 64 } 65 } 66 67 private static class MyPolicy extends Policy { 68 private static String permName = "sun.management.spi.PlatformMBeanProvider.subclass"; 69 private static boolean allowed = false; 70 71 @Override 72 public boolean implies(ProtectionDomain domain, Permission permission) { 73 if (permName.equals(permission.getName())) { 74 System.out.println("---MyPolicy-implies checks permission for " 75 +permName+" and returns "+allowed); 76 77 return allowed; 78 } else { 79 return true; 80 } 81 } 82 } 83 84 private static class MyProvider extends sun.management.spi.PlatformMBeanProvider { 85 @Override 86 public List<PlatformComponent<?>> getPlatformComponentList() { 87 return null; 88 } 89 } 90 }