1/* 2 * Copyright (c) 2015, 2017, 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/* 25 * @test 26 * @bug 8058290 27 * @summary JAAS Krb5LoginModule has suspect ticket-renewal logic, 28 * relies on clockskew grace 29 * @compile -XDignore.symbol.file Renew.java 30 * @run main/othervm Renew 1 31 * @run main/othervm Renew 2 32 * @run main/othervm Renew 3 33 */ 34 35import sun.security.krb5.Config; 36 37import java.nio.file.Files; 38import java.nio.file.Paths; 39import java.util.Arrays; 40import java.util.Date; 41import javax.security.auth.kerberos.KerberosTicket; 42 43public class Renew { 44 45 public static void main(String[] args) throws Exception { 46 47 // Three test cases: 48 // 1. renewTGT=false 49 // 2. renewTGT=true with a short life time, renew will happen 50 // 3. renewTGT=true with a long life time, renew won't happen 51 int test = Integer.parseInt(args[0]); 52 53 OneKDC k = new OneKDC(null); 54 KDC.saveConfig(OneKDC.KRB5_CONF, k, 55 "renew_lifetime = 1d", 56 "ticket_lifetime = " + (test == 2? "10s": "8h")); 57 Config.refresh(); 58 k.writeJAASConf(); 59 60 // KDC would save ccache in a file 61 System.setProperty("test.kdc.save.ccache", "cache.here"); 62 63 Files.write(Paths.get(OneKDC.JAAS_CONF), Arrays.asList( 64 "first {", 65 " com.sun.security.auth.module.Krb5LoginModule required;", 66 "};", 67 "second {", 68 " com.sun.security.auth.module.Krb5LoginModule required", 69 " doNotPrompt=true", 70 " renewTGT=" + (test != 1), 71 " useTicketCache=true", 72 " ticketCache=cache.here;", 73 "};" 74 )); 75 76 Context c; 77 78 // The first login uses username and password 79 c = Context.fromUserPass(OneKDC.USER, OneKDC.PASS, false); 80 Date d1 = c.s().getPrivateCredentials(KerberosTicket.class).iterator().next().getAuthTime(); 81 82 // 6s is longer than half of 10s 83 Thread.sleep(6000); 84 85 // The second login uses the cache 86 c = Context.fromJAAS("second"); 87 Date d2 = c.s().getPrivateCredentials(KerberosTicket.class).iterator().next().getAuthTime(); 88 89 if (test == 2) { 90 if (d1.equals(d2)) { 91 throw new Exception("Ticket not renewed"); 92 } 93 } else { 94 if (!d1.equals(d2)) { 95 throw new Exception("Ticket renewed"); 96 } 97 } 98 } 99} 100