1 /* 2 * Copyright (c) 2013, 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 8001326 27 * @run main/othervm ReplayCachePrecise 28 * @summary when there are 2 two AuthTime with the same time but different hash, 29 * it's not a replay. 30 */ 31 32 import java.nio.ByteBuffer; 33 import java.nio.channels.SeekableByteChannel; 34 import java.nio.file.Files; 35 import java.nio.file.Paths; 36 import java.nio.file.StandardOpenOption; 37 import java.util.Random; 38 import sun.security.krb5.KrbException; 39 import sun.security.krb5.internal.KerberosTime; 40 import sun.security.krb5.internal.ReplayCache; 41 import sun.security.krb5.internal.rcache.AuthTimeWithHash; 42 43 public class ReplayCachePrecise { 44 static final String client = "dummy@REALM"; 45 static final String server = "server/localhost@REALM"; 46 static final Random rand = new Random(); 47 48 public static void main(String[] args) throws Exception { 49 50 AuthTimeWithHash a1 = new AuthTimeWithHash(client, server, time(0), 0, 51 "HASH", "1111111111111111"); 52 AuthTimeWithHash a2 = new AuthTimeWithHash(client, server, time(0), 0, 53 "HASH", "2222222222222222"); 54 KerberosTime now = new KerberosTime(time(0)*1000L); 55 56 // When all new styles, must exact match 57 ReplayCache cache = ReplayCache.getInstance("dfl:./c1"); 58 cache.checkAndStore(now, a1); 59 cache.checkAndStore(now, a2); 60 61 // When only old style in cache, partial match 62 cache = ReplayCache.getInstance("dfl:./c2"); 63 cache.checkAndStore(now, a1); 64 // A small surgery to remove the new style from the cache file 65 SeekableByteChannel ch = Files.newByteChannel(Paths.get("c2"), 66 StandardOpenOption.WRITE, 67 StandardOpenOption.READ); 68 ch.position(6); 69 ch.write(ByteBuffer.wrap(a1.encode(false))); 70 ch.truncate(ch.position()); 71 ch.close(); 72 try { 73 cache.checkAndStore(now, a2); 74 throw new Exception(); 75 } catch (KrbException ke) { 76 // Correct 77 System.out.println(ke); 78 } 79 } 80 81 private static int time(int x) { 82 return (int)(System.currentTimeMillis()/1000) + x; 83 } 84 }