jdk/test/java/security/ProtectionDomain/AllPerm.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
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0:fd16c54261b3 2:90ce3da70b43
       
     1 /*
       
     2  * Copyright 2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
       
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
       
    21  * have any questions.
       
    22  */
       
    23 
       
    24 /*
       
    25  * @test
       
    26  * @bug 6256734
       
    27  * @summary ProtectionDomain could optimize implies by first checking for
       
    28  *          AllPermission in internal collection
       
    29  */
       
    30 
       
    31 import java.io.*;
       
    32 import java.net.*;
       
    33 import java.security.*;
       
    34 import java.lang.reflect.*;
       
    35 
       
    36 public class AllPerm {
       
    37 
       
    38     private static final Class[] ARGS = new Class[] { };
       
    39     private static ProtectionDomain allPermClassDomain;
       
    40 
       
    41     public static void main(String[]args) throws Exception {
       
    42 
       
    43         // create custom class loader that assigns AllPermission to
       
    44         // classes it loads
       
    45 
       
    46         File file = new File(System.getProperty("test.src"), "AllPerm.jar");
       
    47         URL[] urls = new URL[] { file.toURL() };
       
    48         ClassLoader parent = Thread.currentThread().getContextClassLoader();
       
    49         AllPermLoader loader = new AllPermLoader(urls, parent);
       
    50 
       
    51         // load a class from AllPerm.jar using custom loader
       
    52 
       
    53         Object o = loader.loadClass("AllPermClass").newInstance();
       
    54         Method doCheck = o.getClass().getMethod("doCheck", ARGS);
       
    55         allPermClassDomain = o.getClass().getProtectionDomain();
       
    56 
       
    57         // set a custom Policy and set the SecurityManager
       
    58 
       
    59         Policy.setPolicy(new AllPermPolicy());
       
    60         System.setSecurityManager(new SecurityManager());
       
    61 
       
    62         // invoke method on loaded class, which will perform a
       
    63         // security-sensitive operation.  custom policy will check
       
    64         // to see if it is called (it should not be called)
       
    65 
       
    66         doCheck.invoke(o, ARGS);
       
    67     }
       
    68 
       
    69     /**
       
    70      * this class loader assigns AllPermission to classes that it loads
       
    71      */
       
    72     private static class AllPermLoader extends URLClassLoader {
       
    73 
       
    74         public AllPermLoader(URL[] urls, ClassLoader parent) {
       
    75             super(urls, parent);
       
    76         }
       
    77 
       
    78         protected PermissionCollection getPermissions(CodeSource codesource) {
       
    79             Permissions perms = new Permissions();
       
    80             perms.add(new AllPermission());
       
    81             return perms;
       
    82         }
       
    83     }
       
    84 
       
    85     /**
       
    86      * this policy should not be called if domain is allPermClassDomain
       
    87      */
       
    88     private static class AllPermPolicy extends Policy {
       
    89         public boolean implies(ProtectionDomain domain, Permission permission) {
       
    90             if (domain == allPermClassDomain) {
       
    91                 throw new SecurityException
       
    92                         ("Unexpected call into AllPermPolicy");
       
    93             }
       
    94             return true;
       
    95         }
       
    96     }
       
    97 }
       
    98 
       
    99 /**
       
   100  * here is the source code for AllPermClass inside AllPerm.jar
       
   101  */
       
   102 /*
       
   103 public class AllPermClass {
       
   104     public void doCheck() {
       
   105         System.getProperty("user.name");
       
   106     }
       
   107 }
       
   108 */