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 37import javax.security.auth.login.*; 38import javax.security.auth.callback.*; 39 40public 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 96