1 /*
2  * Copyright (c) 2005, 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 4431684
27  * @summary jar signature certificate key usage check incorrect
28  */
29 
30 import java.util.jar.*;
31 import java.util.*;
32 import java.io.*;
33 
34 public class Test4431684 {
35 
main(String[] args)36     public static void main(String[] args) throws Exception {
37 
38         File f = new File(System.getProperty("test.src", "."),
39                           "JavaApplication1.jar");
40         JarFile jf = new JarFile(f);
41         Enumeration entries = jf.entries();
42         while (entries.hasMoreElements()) {
43             JarEntry je = (JarEntry)entries.nextElement();
44             if(je.getName().endsWith("class")) {
45                 byte[] buffer = new byte[8192];
46                 InputStream is = jf.getInputStream(je);
47                 int n;
48                 while ((n = is.read(buffer, 0, buffer.length)) != -1) {
49                 }
50                 is.close();
51                 if(je.getCodeSigners() == null) {
52                     throw new RuntimeException("FAIL: Cannot get code signers");
53                 }
54             }
55         }
56     }
57 }
58