tests/java/KerberosInit.java

   1 /*
   2  *
   3  * Copyright (c) 2007 Kungliga Tekniska Högskolan
   4  * (Royal Institute of Technology, Stockholm, Sweden).
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  *
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * 3. Neither the name of the Institute nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $Id$
  35  */
  36
  37 import javax.security.auth.login.*;
  38 import javax.security.auth.callback.*;
  39
  40 public class KerberosInit {
  41
  42     private class TestCallBackHandler implements CallbackHandler {
  43
  44         public void handle(Callback[] callbacks)
  45             throws UnsupportedCallbackException {
  46             for (int i = 0; i < callbacks.length; i++) {
  47                 if (callbacks[i] instanceof TextOutputCallback) {
  48                     TextOutputCallback toc = (TextOutputCallback)callbacks[i];
  49                     System.out.println(toc.getMessage());
  50                 } else if (callbacks[i] instanceof NameCallback) {
  51                     NameCallback nc = (NameCallback)callbacks[i];
  52                     nc.setName("lha");
  53                 } else if (callbacks[i] instanceof PasswordCallback) {
  54                     PasswordCallback pc = (PasswordCallback)callbacks[i];
  55                     pc.setPassword("foo".toCharArray());
  56                 } else {
  57                     throw new
  58                         UnsupportedCallbackException(callbacks[i],
  59                                                      "Unrecognized Callback");
  60                 }
  61             }
  62         }
  63     }
  64     private TestCallBackHandler getHandler() {
  65         return new TestCallBackHandler();
  66     }
  67
  68     public static void main(String[] args) {
  69
  70         LoginContext lc = null;
  71         try {
  72             lc = new LoginContext("kinit", new KerberosInit().getHandler());
  73         } catch (LoginException e) {
  74             System.err.println("Cannot create LoginContext. " + e.getMessage());
  75             e.printStackTrace();
  76             System.exit(1);
  77         } catch (SecurityException e) {
  78             System.err.println("Cannot create LoginContext. " + e.getMessage());
  79             e.printStackTrace();
  80             System.exit(1);
  81         }
  82
  83         try {
  84             lc.login();
  85         } catch (LoginException e) {
  86             System.err.println("Authentication failed:" + e.getMessage());
  87             e.printStackTrace();
  88             System.exit(1);
  89         }
  90
  91         System.out.println("lc.login ok");
  92         System.exit(0);
  93     }
  94 }
  95