1 /* 2 * Copyright (c) 2013,2014, 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 /* 25 * @test 26 * @bug 8050281 27 * @summary Test limited doprivileged action with trhead calls. 28 * @run main/othervm/policy=policy LimitedDoPrivilegedWithThread 29 */ 30 import java.io.FilePermission; 31 import java.security.AccessControlContext; 32 import java.security.AccessControlException; 33 import java.security.AccessController; 34 import java.security.Permission; 35 import java.security.PrivilegedAction; 36 import java.security.ProtectionDomain; 37 import java.util.PropertyPermission; 38 39 public class LimitedDoPrivilegedWithThread { 40 41 private static final Permission PROPERTYPERM 42 = new PropertyPermission("user.name", "read"); 43 private static final Permission FILEPERM 44 = new FilePermission("*", "read"); 45 private static final AccessControlContext ACC 46 = new AccessControlContext( 47 new ProtectionDomain[]{new ProtectionDomain(null, null)}); 48 49 public static void main(String args[]) { 50 //parent thread without any permission 51 AccessController.doPrivileged( 52 (PrivilegedAction) () -> { 53 Thread ct = new Thread( 54 new ChildThread(PROPERTYPERM, FILEPERM)); 55 ct.start(); 56 try { 57 ct.join(); 58 } catch (InterruptedException ie) { 59 Thread.currentThread().interrupt(); 60 ie.printStackTrace(); 61 throw new RuntimeException("Unexpected InterruptedException"); 62 } 63 return null; 64 }, ACC); 65 } 66 } 67 68 class ChildThread implements Runnable { 69 70 private final Permission P1; 71 private final Permission P2; 72 private boolean catchACE = false; 73 74 public ChildThread(Permission p1, Permission p2) { 75 this.P1 = p1; 76 this.P2 = p2; 77 } 78 79 @Override 80 public void run() { 81 //Verified that child thread has permission p1, 82 runTest(null, P1, false, 1); 83 //Verified that child thread inherits parent thread's access control context 84 AccessControlContext childAcc = AccessController.getContext(); 85 runTest(childAcc, P1, true, 2); 86 //Verified that we can give permision p2 to limit the "privilege" of the 87 //class calling doprivileged action, stack walk will continue 88 runTest(null, P2, true, 3); 89 90 } 91 92 public void runTest(AccessControlContext acc, Permission perm, 93 boolean expectACE, int id) { 94 95 AccessController.doPrivileged( 96 (PrivilegedAction) () -> { 97 try { 98 AccessController.getContext().checkPermission(P1); 99 } catch (AccessControlException ace) { 100 catchACE = true; 101 } 102 if (catchACE ^ expectACE) { 103 throw new RuntimeException("test" + id + " failed"); 104 } 105 return null; 106 }, acc, perm); 107 } 108 }