/*
 * Copyright (c) 2013, 2018, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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.
 */

package sun.security.krb5.internal;

import sun.security.action.GetPropertyAction;
import sun.security.krb5.internal.rcache.AuthTimeWithHash;
import sun.security.krb5.internal.rcache.MemoryCache;
import sun.security.krb5.internal.rcache.DflCache;

Models the replay cache of an acceptor as described in RFC 4120 3.2.3.
Since:1.8
/** * Models the replay cache of an acceptor as described in * RFC 4120 3.2.3. * @since 1.8 */
public abstract class ReplayCache { public static ReplayCache getInstance(String type) { if (type == null) { return new MemoryCache(); } else if (type.equals("dfl") || type.startsWith("dfl:")) { return new DflCache(type); } else if (type.equals("none")) { return new ReplayCache() { @Override public void checkAndStore(KerberosTime currTime, AuthTimeWithHash time) throws KrbApErrException { // no check at all } }; } else { throw new IllegalArgumentException("Unknown type: " + type); } } public static ReplayCache getInstance() { String type = GetPropertyAction .privilegedGetProperty("sun.security.krb5.rcache"); return getInstance(type); }
Accepts or rejects an AuthTime.
Params:
  • currTime – the current time
  • time – AuthTimeWithHash object calculated from authenticator
Throws:
/** * Accepts or rejects an AuthTime. * @param currTime the current time * @param time AuthTimeWithHash object calculated from authenticator * @throws KrbApErrException if the authenticator is a replay */
public abstract void checkAndStore(KerberosTime currTime, AuthTimeWithHash time) throws KrbApErrException; }