| /* |
| * 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. 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; |
| |
| import java.security.AccessController; |
| |
| /** |
| * 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 = AccessController.doPrivileged( |
| new GetPropertyAction("sun.security.krb5.rcache")); |
| return getInstance(type); |
| } |
| |
| /** |
| * 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; |
| } |