/* * 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 KrbKdcRep {     static void check(                      KDCReq req,                      KDCRep rep                      ) throws KrbApErrException {         if (!req.reqBody.cname.equalsWithoutRealm(rep.cname)) {            rep.encKDCRepPart.key.destroy();            throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);        }         /**** XXX              if (!req.reqBody.crealm.equals(rep.crealm)) {              rep.encKDCRepPart.key.destroy();              throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);              }        *****/         if (!req.reqBody.sname.equalsWithoutRealm(rep.encKDCRepPart.sname)) {            rep.encKDCRepPart.key.destroy();            throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);        }         if (!req.reqBody.crealm.equals(rep.encKDCRepPart.srealm)) {            rep.encKDCRepPart.key.destroy();            throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);        }         if (req.reqBody.getNonce() != rep.encKDCRepPart.nonce) {            rep.encKDCRepPart.key.destroy();            throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);        }         if (            ((req.reqBody.addresses != null && rep.encKDCRepPart.caddr != null) &&             !req.reqBody.addresses.equals(rep.encKDCRepPart.caddr))) {            rep.encKDCRepPart.key.destroy();            throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);        }          for (int i = 1; i < 6; i++) {            if (req.reqBody.kdcOptions.get(i) !=                rep.encKDCRepPart.flags.get(i)) {                throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);            }        }         // XXX Can renew a ticket but not ask for a renewable renewed ticket        // See impl of Credentials.renew().        if (req.reqBody.kdcOptions.get(KDCOptions.RENEWABLE) !=            rep.encKDCRepPart.flags.get(KDCOptions.RENEWABLE)) {            throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);        }        if ((req.reqBody.from == null) || req.reqBody.from.isZero())            // verify this is allowed            if ((rep.encKDCRepPart.starttime != null) &&                !rep.encKDCRepPart.starttime.inClockSkew()) {                rep.encKDCRepPart.key.destroy();                throw new KrbApErrException(Krb5.KRB_AP_ERR_SKEW);            }         if ((req.reqBody.from != null) && !req.reqBody.from.isZero())            // verify this is allowed            if ((rep.encKDCRepPart.starttime != null) &&                !req.reqBody.from.equals(rep.encKDCRepPart.starttime)) {                rep.encKDCRepPart.key.destroy();                throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);            }         if (!req.reqBody.till.isZero() &&            rep.encKDCRepPart.endtime.greaterThan(req.reqBody.till)) {            rep.encKDCRepPart.key.destroy();            throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);        }         if (req.reqBody.kdcOptions.get(KDCOptions.RENEWABLE))            if (req.reqBody.rtime != null && !req.reqBody.rtime.isZero())                                // verify this is required                if ((rep.encKDCRepPart.renewTill == null) ||                    rep.encKDCRepPart.renewTill.greaterThan(req.reqBody.rtime)                    ) {                    rep.encKDCRepPart.key.destroy();                    throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);                }         if (req.reqBody.kdcOptions.get(KDCOptions.RENEWABLE_OK) &&            rep.encKDCRepPart.flags.get(KDCOptions.RENEWABLE))            if (!req.reqBody.till.isZero())                                // verify this is required                if ((rep.encKDCRepPart.renewTill == null) ||                    rep.encKDCRepPart.renewTill.greaterThan(req.reqBody.till)                    ) {                    rep.encKDCRepPart.key.destroy();                    throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED);                }    }  }