| /* |
| * Copyright (c) 2005, 2011, 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 6337925 |
| * @summary Ensure that callers cannot modify the internal JarEntry cert and |
| * codesigner arrays. |
| * @author Sean Mullan |
| */ |
| import java.io.InputStream; |
| import java.security.CodeSigner; |
| import java.security.cert.Certificate; |
| import java.util.*; |
| import java.util.jar.*; |
| |
| public class GetMethodsReturnClones { |
| |
| private static final String BASE = System.getProperty("test.src", ".") + |
| System.getProperty("file.separator"); |
| |
| public static void main(String[] args) throws Exception { |
| List<JarEntry> entries = new ArrayList<>(); |
| try (JarFile jf = new JarFile(BASE + "test.jar", true)) { |
| byte[] buffer = new byte[8192]; |
| Enumeration<JarEntry> e = jf.entries(); |
| while (e.hasMoreElements()) { |
| JarEntry je = e.nextElement(); |
| entries.add(je); |
| try (InputStream is = jf.getInputStream(je)) { |
| while (is.read(buffer, 0, buffer.length) != -1) { |
| // we just read. this will throw a SecurityException |
| // if a signature/digest check fails. |
| } |
| } |
| } |
| } |
| |
| for (JarEntry je : entries) { |
| Certificate[] certs = je.getCertificates(); |
| CodeSigner[] signers = je.getCodeSigners(); |
| if (certs != null) { |
| certs[0] = null; |
| certs = je.getCertificates(); |
| if (certs[0] == null) { |
| throw new Exception("Modified internal certs array"); |
| } |
| } |
| if (signers != null) { |
| signers[0] = null; |
| signers = je.getCodeSigners(); |
| if (signers[0] == null) { |
| throw new Exception("Modified internal codesigners array"); |
| } |
| } |
| } |
| } |
| } |