1 /*

     2  * Copyright 2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any 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         JarFile file = new JarFile(new File(System.getProperty("test.src","."),

    41             "bogus-signerinfo-attr.jar"));

    42         byte[] buffer = new byte[8192];

    43         boolean isSigned = false;

    44 

    45         for (Enumeration entries = file.entries(); entries.hasMoreElements();) {

    46             JarEntry entry = (JarEntry) entries.nextElement();

    47             InputStream jis = file.getInputStream(entry);

    48             while (jis.read(buffer, 0, buffer.length) != -1) {

    49                 // read the jar entry

    50             }

    51             jis.close();

    52             if (entry.getCertificates() != null) {

    53                 isSigned = true;

    54             }

    55             System.out.println((isSigned ? "[signed] " : "\t ") +

    56                 entry.getName());

    57         }

    58         file.close();

    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 }