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