| /* |
| * 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. |
| */ |
| |
| /* |
| * |
| * (C) Copyright IBM Corp. 1999 All Rights Reserved. |
| * Copyright 1997 The Open Group Research Institute. All rights reserved. |
| */ |
| |
| package sun.security.krb5; |
| |
| import sun.security.krb5.internal.*; |
| |
| abstract class KrbAppMessage { |
| |
| private static boolean DEBUG = Krb5.DEBUG; |
| /** |
| * Common checks for KRB-PRIV and KRB-SAFE |
| */ |
| void check(KerberosTime packetTimestamp, |
| Integer packetUsec, |
| Integer packetSeqNumber, |
| HostAddress packetSAddress, |
| HostAddress packetRAddress, |
| SeqNumber seqNumber, |
| HostAddress sAddress, |
| HostAddress rAddress, |
| boolean timestampRequired, |
| boolean seqNumberRequired, |
| PrincipalName packetPrincipal, |
| Realm packetRealm) |
| throws KrbApErrException { |
| |
| if (!Krb5.AP_EMPTY_ADDRESSES_ALLOWED || sAddress != null) { |
| if (packetSAddress == null || sAddress == null || |
| !packetSAddress.equals(sAddress)) { |
| if (DEBUG && packetSAddress == null) { |
| System.out.println("packetSAddress is null"); |
| } |
| if (DEBUG && sAddress == null) { |
| System.out.println("sAddress is null"); |
| } |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_BADADDR); |
| } |
| } |
| |
| if (!Krb5.AP_EMPTY_ADDRESSES_ALLOWED || rAddress != null) { |
| if (packetRAddress == null || rAddress == null || |
| !packetRAddress.equals(rAddress)) |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_BADADDR); |
| } |
| |
| if (packetTimestamp != null) { |
| packetTimestamp.setMicroSeconds(packetUsec); |
| if (!packetTimestamp.inClockSkew()) |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_SKEW); |
| } else |
| if (timestampRequired) |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_SKEW); |
| |
| // XXX check replay cache |
| // if (rcache.repeated(packetTimestamp, packetUsec, packetSAddress)) |
| // throw new KrbApErrException(Krb5.KRB_AP_ERR_REPEAT); |
| |
| // XXX consider moving up to api level |
| if (seqNumber == null && seqNumberRequired == true) |
| throw new KrbApErrException(Krb5.API_INVALID_ARG); |
| |
| if (packetSeqNumber != null && seqNumber != null) { |
| if (packetSeqNumber.intValue() != seqNumber.current()) |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_BADORDER); |
| // should be done only when no more exceptions are possible |
| seqNumber.step(); |
| } else { |
| if (seqNumberRequired) { |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_BADORDER); |
| } |
| } |
| |
| // Must not be relaxed, per RFC 4120 |
| if (packetTimestamp == null && packetSeqNumber == null) |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED); |
| |
| // XXX check replay cache |
| // rcache.save_identifier(packetTimestamp, packetUsec, packetSAddress, |
| // packetPrincipal, pcaketRealm); |
| } |
| |
| } |