92 lines
3.2 KiB
Java
92 lines
3.2 KiB
Java
/*
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* Copyright 2010 Google Inc. All Rights Reserved.
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6980747 8297451
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* @summary Check that Process-related classes have the proper
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* doPrivileged blocks, and can be initialized with an adversarial
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* security manager.
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* @run main/othervm -Djava.security.manager=allow SecurityManagerClinit
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* @author Martin Buchholz
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*/
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import java.io.*;
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import java.security.*;
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public class SecurityManagerClinit {
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private static class SimplePolicy extends Policy {
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static final Policy DEFAULT_POLICY = Policy.getPolicy();
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private Permissions perms;
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public SimplePolicy(Permission... permissions) {
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perms = new Permissions();
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for (Permission permission : permissions)
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perms.add(permission);
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}
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public boolean implies(ProtectionDomain pd, Permission p) {
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return perms.implies(p) || DEFAULT_POLICY.implies(pd, p);
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}
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}
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// Security manager that unconditionally performs Thread Modify Access checks.
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@SuppressWarnings("removal")
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private static class TMACSecurityManager extends SecurityManager {
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static final RuntimePermission MODIFY_THREAD_PERMISSION =
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new RuntimePermission("modifyThread");
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@Override
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public void checkAccess(Thread thread) {
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checkPermission(MODIFY_THREAD_PERMISSION);
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}
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}
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public static void main(String[] args) throws Throwable {
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String javaExe =
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System.getProperty("java.home") +
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File.separator + "bin" + File.separator + "java";
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final SimplePolicy policy =
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new SimplePolicy
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(new FilePermission("<<ALL FILES>>", "execute"),
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new RuntimePermission("setSecurityManager"),
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new RuntimePermission("modifyThread"));
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Policy.setPolicy(policy);
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System.setSecurityManager(new TMACSecurityManager());
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try {
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String[] cmd = { javaExe, "-version" };
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Process p = Runtime.getRuntime().exec(cmd);
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p.getOutputStream().close();
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p.getInputStream().close();
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p.getErrorStream().close();
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p.waitFor();
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} finally {
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System.setSecurityManager(null);
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}
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}
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}
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