1561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes/* 2561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * Licensed to the Apache Software Foundation (ASF) under one or more 3561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * contributor license agreements. See the NOTICE file distributed with 4561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * this work for additional information regarding copyright ownership. 5561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * The ASF licenses this file to You under the Apache License, Version 2.0 6561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * (the "License"); you may not use this file except in compliance with 7561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * the License. You may obtain a copy of the License at 8561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * 9561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 10561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * 11561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * Unless required by applicable law or agreed to in writing, software 12561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 13561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * See the License for the specific language governing permissions and 15561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * limitations under the License. 16561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes */ 17561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 18561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughespackage org.apache.harmony.auth.tests.module; 19561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 20561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughesimport java.io.IOException; 21561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughesimport java.net.DatagramPacket; 22561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughesimport java.net.DatagramSocket; 23561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughesimport java.util.TreeMap; 24561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 25561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughesimport javax.security.auth.callback.Callback; 26561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughesimport javax.security.auth.callback.CallbackHandler; 27561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughesimport javax.security.auth.login.LoginException; 28561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 29561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughesimport junit.framework.TestCase; 30561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 31561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughesimport org.apache.harmony.auth.module.Krb5LoginModule; 32561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughesimport org.apache.harmony.auth.tests.internal.kerberos.v5.KerberosErrorMessageTest; 33561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughesimport org.apache.harmony.auth.tests.support.TestUtils; 34561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 35561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughespublic class Krb5LoginModuleTest extends TestCase { 36561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 37561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // default kdc server 38561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes private static final String ENV_KDC = "java.security.krb5.kdc"; 39561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 40561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // default realm 41561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes private static final String ENV_REALM = "java.security.krb5.realm"; 42561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 43561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // old value of 'java.security.krb5.kdc' system property 44561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes private String kdc; 45561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 46561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // old value of 'java.security.krb5.realm' system property 47561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes private String realm; 48561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 49561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // embedded server 50561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes private KrbServer server; 51561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 52561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // module options 53561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes private final TreeMap<String, String> options = new TreeMap<String, String>(); 54561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 55561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes /** 56561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * Sets system env. properties and optionally starts local mock server 57561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes */ 58561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes @Override 59561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes protected void setUp() throws Exception { 60561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 61561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // save old system properties 62561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes kdc = System.getProperty(ENV_KDC); 63561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes realm = System.getProperty(ENV_REALM); 64561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 65561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes if (kdc == null) { 66561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // run test with embedded server 67561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes server = new KrbServer(); 68561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 69561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes server.start(); 70561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes while (server.port == 0) { 71561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // wait until server open datagram socket 72561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 73561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 74561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes System.setProperty(ENV_KDC, "localhost:" + server.port); 75561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } // else: run test with external server 76561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 77561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes System.setProperty(ENV_REALM, "MY.REALM"); 78561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 79561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 80561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes /** 81561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * Shuts down local server and restore system env. properties 82561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes */ 83561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes @Override 84561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes protected void tearDown() throws Exception { 85561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes if (server != null) { 86561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // shut down local server 87561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes server.interrupt(); 88561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 89561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 90561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // restore env. variables 91561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes TestUtils.setSystemProperty(ENV_KDC, kdc); 92561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes TestUtils.setSystemProperty(ENV_REALM, realm); 93561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 94561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 95561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes /** 96561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * TODO 97561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes */ 98561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes public void test_Config() throws Exception { 99561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 100561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // create login module for testing 101561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes Krb5LoginModule module = new Krb5LoginModule(); 102561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes module.initialize(null, new MockCallbackHandler(), null, options); 103561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 104561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // case 1: unset 'kdc' and set 'real' sys.props 105561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes TestUtils.setSystemProperty(ENV_KDC, null); 106561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes TestUtils.setSystemProperty(ENV_REALM, "some_value"); 107561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes try { 108561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes module.login(); 109561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes fail("No expected LoginException"); 110561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } catch (LoginException e) { 111561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 112561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 113561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes // case 2: set 'kdc' and unset 'real' sys.props 114561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes TestUtils.setSystemProperty(ENV_KDC, "some_value"); 115561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes TestUtils.setSystemProperty(ENV_REALM, null); 116561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes try { 117561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes module.login(); 118561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes fail("No expected LoginException"); 119561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } catch (LoginException e) { 120561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 121561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 122561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes //TODO: test reading config from configuration file 'krb5.conf' 123561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 124561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 125561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes /** 126561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * @tests request ticket for absent user 127561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes */ 128561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes public void test_login() throws Exception { 129561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 130561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes if (server != null) { 131561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes server.respond = KerberosErrorMessageTest.err_resp; 132561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 133561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 134561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes Krb5LoginModule module = new Krb5LoginModule(); 135561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 136561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes options.put("principal", "no_such_user"); 137561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 138561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes module.initialize(null, null, null, options); 139561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes try { 140561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes module.login(); 141561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes fail("No expected LoginException"); 142561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } catch (LoginException e) { 143561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes System.out.println(e); 144561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 145561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 146561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 147561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes /** 148561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * Mock callback handler 149561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes */ 150561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes static class MockCallbackHandler implements CallbackHandler { 151561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 152561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes public MockCallbackHandler() { 153561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 154561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 155561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes public void handle(Callback[] callbacks) { 156561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 157561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 158561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 159561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes /** 160561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes * Embedded test server 161561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes */ 162561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes static class KrbServer extends Thread { 163561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 164561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes private static boolean debug = false; 165561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 166561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes private static final int BUF_SIZE = 1024; 167561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 168561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes public int port; 169561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 170561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes public byte[] respond; 171561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 172561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes @Override 173561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes public void run() { 174561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 175561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes try { 176561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes DatagramSocket socket = new DatagramSocket(); 177561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 178561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes port = socket.getLocalPort(); 179561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 180561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes byte[] request = new byte[BUF_SIZE]; 181561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes DatagramPacket packet = new DatagramPacket(request, 182561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes request.length); 183561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 184561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes int bytesRead = BUF_SIZE; 185561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes while (bytesRead == BUF_SIZE) { 186561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes socket.receive(packet); 187561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes bytesRead = packet.getLength(); 188561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 189561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 190561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes printAsHex(10, "(byte)", ",", request); 191561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 192561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes if (respond != null) { 193561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes packet = new DatagramPacket(respond, respond.length, packet 194561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes .getAddress(), packet.getPort()); 195561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes socket.send(packet); 196561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 197561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } catch (IOException e) { 198561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes e.printStackTrace(); 199561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 200561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 201561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 202561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes public static void printAsHex(int perLine, String prefix, 203561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes String delimiter, byte[] data) { 204561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 205561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes if (!debug) { 206561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes return; 207561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 208561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 209561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes for (int i = 0; i < data.length; i++) { 210561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes String tail = Integer.toHexString(0x000000ff & data[i]); 211561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes if (tail.length() == 1) { 212561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes tail = "0" + tail; 213561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 214561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes System.out.print(prefix + "0x" + tail + delimiter); 215561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes 216561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes if (((i + 1) % perLine) == 0) { 217561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes System.out.println(""); 218561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 219561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 220561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes System.out.println(""); 221561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 222561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes } 223561ee011997c6c2f1befbfaa9d5f0a99771c1d63Elliott Hughes} 224