1 /*
   2  * Copyright 2010 Google 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 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 /*
  25  * @test
  26  * @bug 6980747
  27  * @summary Check that Process-related classes have the proper
  28  *     doPrivileged blocks, and can be initialized with an adversarial
  29  *     security manager.
  30  * @run main/othervm SecurityManagerClinit
  31  * @author Martin Buchholz
  32  */
  33 
  34 import java.io.*;
  35 import java.security.*;
  36 
  37 public class SecurityManagerClinit {
  38     private static class Policy extends java.security.Policy {
  39         private Permissions perms;
  40 
  41         public Policy(Permission... permissions) {
  42             perms = new Permissions();
  43             for (Permission permission : permissions)
  44                 perms.add(permission);
  45         }
  46 
  47         public boolean implies(ProtectionDomain pd, Permission p) {
  48             return perms.implies(p);
  49         }
  50     }
  51 
  52     public static void main(String[] args) throws Throwable {
  53         String javaExe =
  54             System.getProperty("java.home") +
  55             File.separator + "bin" + File.separator + "java";
  56 
  57         // A funky contrived security setup, just for bug repro purposes.
  58         java.security.Security.setProperty("package.access", "java.util");
  59 
  60         final Policy policy =
  61             new Policy
  62             (new FilePermission("<<ALL FILES>>", "execute"),
  63              new RuntimePermission("setSecurityManager"));
  64         Policy.setPolicy(policy);
  65 
  66         System.setSecurityManager(new SecurityManager());
  67 
  68         try {
  69             String[] cmd = { javaExe, "-version" };
  70             Process p = Runtime.getRuntime().exec(cmd);
  71             p.getOutputStream().close();
  72             p.getInputStream().close();
  73             p.getErrorStream().close();
  74             p.waitFor();
  75         } finally {
  76             System.setSecurityManager(null);
  77         }
  78     }
  79 }