1 /* 2 * Copyright (c) 2015, 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 package client; 24 25 import java.io.IOException; 26 import java.security.Principal; 27 import javax.security.auth.callback.Callback; 28 import javax.security.auth.callback.CallbackHandler; 29 import javax.security.auth.callback.NameCallback; 30 import javax.security.auth.callback.PasswordCallback; 31 import javax.security.auth.callback.UnsupportedCallbackException; 32 import javax.security.auth.login.LoginException; 33 import javax.security.auth.login.LoginContext; 34 import com.sun.security.auth.UnixPrincipal; 35 36 /** 37 * JAAS client which will try to authenticate a user through a custom JAAS LOGIN 38 * Module. 39 */ 40 public class JaasClient { 41 42 private static final String USER_NAME = "testUser"; 43 private static final String PASSWORD = "testPassword"; 44 private static final String LOGIN_CONTEXT = "ModularLoginConf"; 45 46 public static void main(String[] args) { 47 try { 48 LoginContext lc = new LoginContext(LOGIN_CONTEXT, 49 new MyCallbackHandler()); 50 lc.login(); 51 checkPrincipal(lc, true); 52 lc.logout(); 53 checkPrincipal(lc, false); 54 } catch (LoginException le) { 55 throw new RuntimeException(le); 56 } 57 System.out.println("Test passed."); 58 59 } 60 61 /* 62 * Check context for principal of the test user. 63 */ 64 private static void checkPrincipal(LoginContext loginContext, 65 boolean principalShouldExist) { 66 if (!principalShouldExist) { 67 if (loginContext.getSubject().getPrincipals().size() != 0) { 68 throw new RuntimeException("Test failed. Principal was not " 69 + "cleared."); 70 } 71 return; 72 } 73 for (Principal p : loginContext.getSubject().getPrincipals()) { 74 if (p instanceof UnixPrincipal 75 && USER_NAME.equals(p.getName())) { 76 //Proper principal was found, return. 77 return; 78 } 79 } 80 throw new RuntimeException("Test failed. UnixPrincipal " 81 + USER_NAME + " expected."); 82 83 } 84 85 private static class MyCallbackHandler implements CallbackHandler { 86 87 @Override 88 public void handle(Callback[] callbacks) throws IOException, 89 UnsupportedCallbackException { 90 for (Callback callback : callbacks) { 91 if (callback instanceof NameCallback) { 92 ((NameCallback) callback).setName(USER_NAME); 93 } else if (callback instanceof PasswordCallback) { 94 ((PasswordCallback) callback).setPassword( 95 PASSWORD.toCharArray()); 96 } else { 97 throw new UnsupportedCallbackException(callback); 98 } 99 } 100 } 101 } 102 103 }