1 /*
2  * Copyright (c) 2010, 2011, 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 import java.util.Arrays;
25 import java.util.HashSet;
26 import java.util.Set;
27 import sun.security.krb5.internal.ktab.KeyTab;
28 import sun.security.krb5.internal.ktab.KeyTabEntry;
29 
30 /**
31  * This class is called by the test ktcheck.sh and is not meant to run
32  * by itself.
33  */
34 public class KtabCheck {
35     /**
36      * Checks if a keytab contains exactly the keys (kvno and etype)
37      * @param args keytabname kvno etype...
38      */
main(String[] args)39     public static void main(String[] args) throws Exception {
40         System.out.println("Checking " + Arrays.toString(args));
41         KeyTab ktab = KeyTab.getInstance(args[0]);
42         Set<String> expected = new HashSet<>();
43         for (int i=1; i<args.length; i += 2) {
44             expected.add(args[i]+":"+args[i+1]);
45         }
46         for (KeyTabEntry e: ktab.getEntries()) {
47             // KVNO and etype
48             String vne = e.getKey().getKeyVersionNumber() + ":" +
49                     e.getKey().getEType();
50             if (!expected.contains(vne)) {
51                 throw new Exception("No " + vne + " in expected");
52             }
53             expected.remove(vne);
54         }
55         if (!expected.isEmpty()) {
56             throw new Exception("Extra elements in expected");
57         }
58     }
59 }
60