| /* |
| * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 6256734 |
| * @summary ProtectionDomain could optimize implies by first checking for |
| * AllPermission in internal collection |
| */ |
| |
| import java.io.*; |
| import java.net.*; |
| import java.security.*; |
| import java.lang.reflect.*; |
| |
| public class AllPerm { |
| |
| private static final Class[] ARGS = new Class[] { }; |
| private static ProtectionDomain allPermClassDomain; |
| |
| public static void main(String[]args) throws Exception { |
| |
| // create custom class loader that assigns AllPermission to |
| // classes it loads |
| |
| File file = new File(System.getProperty("test.src"), "AllPerm.jar"); |
| URL[] urls = new URL[] { file.toURL() }; |
| ClassLoader parent = Thread.currentThread().getContextClassLoader(); |
| AllPermLoader loader = new AllPermLoader(urls, parent); |
| |
| // load a class from AllPerm.jar using custom loader |
| |
| Object o = loader.loadClass("AllPermClass").newInstance(); |
| Method doCheck = o.getClass().getMethod("doCheck", ARGS); |
| allPermClassDomain = o.getClass().getProtectionDomain(); |
| |
| // set a custom Policy and set the SecurityManager |
| |
| Policy.setPolicy(new AllPermPolicy()); |
| System.setSecurityManager(new SecurityManager()); |
| |
| // invoke method on loaded class, which will perform a |
| // security-sensitive operation. custom policy will check |
| // to see if it is called (it should not be called) |
| |
| doCheck.invoke(o, ARGS); |
| } |
| |
| /** |
| * this class loader assigns AllPermission to classes that it loads |
| */ |
| private static class AllPermLoader extends URLClassLoader { |
| |
| public AllPermLoader(URL[] urls, ClassLoader parent) { |
| super(urls, parent); |
| } |
| |
| protected PermissionCollection getPermissions(CodeSource codesource) { |
| Permissions perms = new Permissions(); |
| perms.add(new AllPermission()); |
| return perms; |
| } |
| } |
| |
| /** |
| * this policy should not be called if domain is allPermClassDomain |
| */ |
| private static class AllPermPolicy extends Policy { |
| public boolean implies(ProtectionDomain domain, Permission permission) { |
| if (domain == allPermClassDomain) { |
| throw new SecurityException |
| ("Unexpected call into AllPermPolicy"); |
| } |
| return true; |
| } |
| } |
| } |
| |
| /** |
| * here is the source code for AllPermClass inside AllPerm.jar |
| */ |
| /* |
| public class AllPermClass { |
| public void doCheck() { |
| System.getProperty("user.name"); |
| } |
| } |
| */ |