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      */
  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 }