1 /* 2 * Copyright (c) 2003, 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 4953126 27 * @summary Check that a signed JAR file containing an unsupported signer info 28 * attribute can be parsed successfully. 29 */ 30 31 import java.io.File; 32 import java.io.InputStream; 33 import java.security.cert.Certificate; 34 import java.util.Enumeration; 35 import java.util.jar.*; 36 37 public class ScanSignedJar { 38 39 public static void main(String[] args) throws Exception { 40 boolean isSigned = false; 41 try (JarFile file = new JarFile(new File(System.getProperty("test.src","."), 42 "bogus-signerinfo-attr.jar"))) { 43 byte[] buffer = new byte[8192]; 44 45 for (Enumeration entries = file.entries(); entries.hasMoreElements();) { 46 JarEntry entry = (JarEntry) entries.nextElement(); 47 try (InputStream jis = file.getInputStream(entry)) { 48 while (jis.read(buffer, 0, buffer.length) != -1) { 49 // read the jar entry 50 } 51 } 52 if (entry.getCertificates() != null) { 53 isSigned = true; 54 } 55 System.out.println((isSigned ? "[signed] " : "\t ") + 56 entry.getName()); 57 } 58 } 59 60 if (isSigned) { 61 System.out.println("\nJAR file has signed entries"); 62 } else { 63 throw new Exception("Failed to detect that the JAR file is signed"); 64 } 65 } 66 }