| /* |
| * Copyright (c) 2013, 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 8014097 |
| * @summary Test the limited privilege scope version of doPrivileged |
| */ |
| |
| import java.security.*; |
| import java.util.*; |
| |
| public class LimitedDoPrivileged { |
| /* |
| * Test variations of doPrivileged() and doPrivileged() with a limited privilege scope |
| * in a sandbox with the usual default permission to read the system properties for the |
| * file and path separators. |
| * |
| * By passing in an "assigned" AccessControlContext that has |
| * no default permissions we can test how code privileges are being scoped. |
| */ |
| |
| private static final ProtectionDomain domain = |
| new ProtectionDomain(null, null, null, null); |
| private static final AccessControlContext acc = |
| new AccessControlContext(new ProtectionDomain[] { domain }); |
| private static final PropertyPermission pathPerm = |
| new PropertyPermission("path.separator", "read"); |
| private static final PropertyPermission filePerm = |
| new PropertyPermission("file.separator", "read"); |
| |
| public static void main(String[] args) throws Exception { |
| /* |
| * Verify that we have the usual default property read permission. |
| */ |
| AccessController.getContext().checkPermission(filePerm); |
| AccessController.getContext().checkPermission(pathPerm); |
| System.out.println("test 1 passed"); |
| |
| /* |
| * Inject the "no permission" AccessControlContext. |
| */ |
| AccessController.doPrivileged(new PrivilegedAction() { |
| public Object run() { |
| |
| /* |
| * Verify that we no longer have the "file.separator" permission. |
| */ |
| try { |
| AccessController.getContext().checkPermission(pathPerm); |
| } catch (AccessControlException ace) { |
| System.out.println("test 2 passed"); |
| } |
| |
| /* |
| * Verify that we can give ourselves limited privilege to read |
| * any system property starting with "path.". |
| */ |
| AccessController.doPrivileged |
| (new PrivilegedAction() { |
| public Object run() { |
| AccessController.getContext().checkPermission(pathPerm); |
| return null; |
| } |
| }, null, new PropertyPermission("path.*", "read")); |
| System.out.println("test 3 passed"); |
| |
| /* |
| * Verify that if we give ourselves limited privilege to read |
| * any system property starting with "path." it won't give us the |
| * the ability to read "file.separator". |
| */ |
| try { |
| AccessController.doPrivileged |
| (new PrivilegedAction() { |
| public Object run() { |
| AccessController.getContext().checkPermission(filePerm); |
| return null; |
| } |
| }, null, new PropertyPermission("path.*", "read")); |
| } catch (AccessControlException ace) { |
| System.out.println("test 4 passed"); |
| } |
| |
| /* |
| * Verify that capturing and passing in the context with no default |
| * system property permission grants will prevent access that succeeded |
| * earlier without the context assignment. |
| */ |
| final AccessControlContext context = AccessController.getContext(); |
| try { |
| AccessController.doPrivileged |
| (new PrivilegedAction() { |
| public Object run() { |
| AccessController.getContext().checkPermission(pathPerm); |
| return null; |
| } |
| }, context, new PropertyPermission("path.*", "read")); |
| } catch (AccessControlException ace) { |
| System.out.println("test 5 passed"); |
| } |
| |
| /* |
| * Verify that we can give ourselves full privilege to read |
| * any system property starting with "path.". |
| */ |
| AccessController.doPrivileged |
| (new PrivilegedAction() { |
| public Object run() { |
| AccessController.getContext().checkPermission(pathPerm); |
| return null; |
| } |
| }); |
| System.out.println("test 6 passed"); |
| |
| /* |
| * Verify that capturing and passing in the context with no default |
| * system property permission grants will prevent access that succeeded |
| * earlier without the context assignment. |
| */ |
| try { |
| AccessController.doPrivileged |
| (new PrivilegedAction() { |
| public Object run() { |
| AccessController.getContext().checkPermission(pathPerm); |
| return null; |
| } |
| }, context); |
| } catch (AccessControlException ace) { |
| System.out.println("test 7 passed"); |
| } |
| |
| /* |
| * Verify that we can give ourselves limited privilege to read |
| * any system property starting with "path." when a limited |
| * privilege scope context is captured and passed to a regular |
| * doPrivileged() as an assigned context. |
| */ |
| AccessController.doPrivileged |
| (new PrivilegedAction() { |
| public Object run() { |
| |
| /* |
| * Capture the limited privilege scope and inject it into the |
| * regular doPrivileged(). |
| */ |
| final AccessControlContext limitedContext = AccessController.getContext(); |
| AccessController.doPrivileged |
| (new PrivilegedAction() { |
| public Object run() { |
| AccessController.getContext().checkPermission(pathPerm); |
| return null; |
| } |
| }, limitedContext); |
| return null; |
| } |
| }, null, new PropertyPermission("path.*", "read")); |
| System.out.println("test 8 passed"); |
| |
| /* |
| * Verify that we can give ourselves limited privilege to read |
| * any system property starting with "path." it won't give us the |
| * the ability to read "file.separator" when a limited |
| * privilege scope context is captured and passed to a regular |
| * doPrivileged() as an assigned context. |
| */ |
| AccessController.doPrivileged |
| (new PrivilegedAction() { |
| public Object run() { |
| |
| /* |
| * Capture the limited privilege scope and inject it into the |
| * regular doPrivileged(). |
| */ |
| final AccessControlContext limitedContext = AccessController.getContext(); |
| try { |
| AccessController.doPrivileged |
| (new PrivilegedAction() { |
| public Object run() { |
| AccessController.getContext().checkPermission(filePerm); |
| return null; |
| } |
| }, limitedContext); |
| } catch (AccessControlException ace) { |
| System.out.println("test 9 passed"); |
| } |
| return null; |
| } |
| }, null, new PropertyPermission("path.*", "read")); |
| |
| return null; |
| } |
| }, acc); |
| } |
| } |