| /* |
| * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8001326 |
| * @run main/othervm ReplayCacheExpunge 16 |
| * @run main/othervm/fail ReplayCacheExpunge 15 |
| * @summary when number of expired entries minus number of good entries |
| * is more than 30, expunge occurs, and expired entries are forgotten. |
| */ |
| |
| import java.util.Random; |
| import sun.security.krb5.internal.KerberosTime; |
| import sun.security.krb5.internal.ReplayCache; |
| import sun.security.krb5.internal.rcache.AuthTimeWithHash; |
| |
| public class ReplayCacheExpunge { |
| static final String client = "dummy@REALM"; |
| static final String server = "server/localhost@REALM"; |
| static final Random rand = new Random(); |
| |
| public static void main(String[] args) throws Exception { |
| // Make sure clockskew is default value |
| System.setProperty("java.security.krb5.conf", "nothing"); |
| |
| int count = Integer.parseInt(args[0]); |
| ReplayCache cache = ReplayCache.getInstance("dfl:./"); |
| AuthTimeWithHash a1 = |
| new AuthTimeWithHash(client, server, time(-400), 0, "HASH", hash("1")); |
| AuthTimeWithHash a2 = |
| new AuthTimeWithHash(client, server, time(0), 0, "HASH", hash("4")); |
| KerberosTime now = new KerberosTime(time(0)*1000L); |
| KerberosTime then = new KerberosTime(time(-300)*1000L); |
| |
| // Once upon a time, we added a lot of events |
| for (int i=0; i<count; i++) { |
| a1 = new AuthTimeWithHash(client, server, time(-400), 0, "HASH", hash("")); |
| cache.checkAndStore(then, a1); |
| } |
| |
| // Now, we add a new one. If some conditions hold, the old ones |
| // will be expunged. |
| cache.checkAndStore(now, a2); |
| |
| // and adding an old one will not trigger any error |
| cache.checkAndStore(now, a1); |
| } |
| |
| private static String hash(String s) { |
| char[] data = new char[16]; |
| for (int i=0; i<16; i++) { |
| if (i < s.length()) data[i] = s.charAt(i); |
| else data[i] = (char)('0' + rand.nextInt(10)); |
| } |
| return new String(data); |
| } |
| |
| private static int time(int x) { |
| return (int)(System.currentTimeMillis()/1000) + x; |
| } |
| } |