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  * @author  Shanliang Jiang

    35  */

    36 public class PlatformMBeanProviderConstructorCheck {

    37     public static void main(String[] args) throws Exception {

    38         Policy origPolicy = Policy.getPolicy();

    39         SecurityManager origSM = System.getSecurityManager();

    40         try {

    41             System.out.println("---PlatformMBeanProviderConstructorCheck starting...");

    42 

    43             Policy.setPolicy(new MyPolicy());

    44             System.setSecurityManager(new SecurityManager());

    45 

    46             System.out.println("---PlatformMBeanProviderConstructorCheck Testing without permission...");

    47             try {

    48                 new MyProvider();

    49                 throw new RuntimeException("Does not get expected AccessControlException!");

    50             } catch (AccessControlException ace) {

    51                 System.out.println("---PlatformMBeanProviderConstructorCheck got the expected exception: "

    52                         + ace);

    53             }

    54 

    55             System.out.println("---PlatformMBeanProviderConstructorCheck Testing with permission...");

    56             MyPolicy.allowed = true;

    57             new MyProvider();

    58 

    59             System.out.println("---PlatformMBeanProviderConstructorCheck PASSED!");

    60         } finally {

    61             System.setSecurityManager(origSM);

    62             Policy.setPolicy(origPolicy);

    63         }

    64     }

    65 

    66     private static class MyPolicy extends Policy {

    67         private static String permName = "sun.management.spi.PlatformMBeanProvider.subclass";

    68         private static boolean allowed = false;

    69 

    70         @Override

    71         public boolean implies(ProtectionDomain domain, Permission permission) {

    72             if (permName.equals(permission.getName())) {

    73                 System.out.println("---MyPolicy-implies checks permission for "

    74                         +permName+" and returns "+allowed);

    75 

    76                 return allowed;

    77             } else {

    78                 return true;

    79             }

    80         }

    81     }

    82 

    83     private static class MyProvider extends sun.management.spi.PlatformMBeanProvider {

    84         @Override

    85         public List<PlatformComponent<?>> getPlatformComponentList() {

    86             return null;

    87         }

    88     }

    89 }