/*
 * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 * particular file as subject to the "Classpath" exception as provided
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 *
 * 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).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 *
 *  (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.*;
import sun.security.krb5.internal.crypto.KeyUsage;
import sun.security.util.*;
import java.io.IOException;

This class encapsulates a TGS-REP that is sent from the KDC to the Kerberos client.
/** * This class encapsulates a TGS-REP that is sent from the KDC to the * Kerberos client. */
public class KrbTgsRep extends KrbKdcRep { private TGSRep rep; private Credentials creds; private Ticket secondTicket; private static final boolean DEBUG = Krb5.DEBUG; KrbTgsRep(byte[] ibuf, KrbTgsReq tgsReq) throws KrbException, IOException { DerValue ref = new DerValue(ibuf); TGSReq req = tgsReq.getMessage(); TGSRep rep = null; try { rep = new TGSRep(ref); } catch (Asn1Exception e) { rep = null; KRBError err = new KRBError(ref); String errStr = err.getErrorString(); String eText = null; // pick up text sent by the server (if any) if (errStr != null && errStr.length() > 0) { if (errStr.charAt(errStr.length() - 1) == 0) eText = errStr.substring(0, errStr.length() - 1); else eText = errStr; } KrbException ke; if (eText == null) { // no text sent from server ke = new KrbException(err.getErrorCode()); } else { // override default text with server text ke = new KrbException(err.getErrorCode(), eText); } ke.initCause(e); throw ke; } byte[] enc_tgs_rep_bytes = rep.encPart.decrypt(tgsReq.tgsReqKey, tgsReq.usedSubkey() ? KeyUsage.KU_ENC_TGS_REP_PART_SUBKEY : KeyUsage.KU_ENC_TGS_REP_PART_SESSKEY); byte[] enc_tgs_rep_part = rep.encPart.reset(enc_tgs_rep_bytes); ref = new DerValue(enc_tgs_rep_part); EncTGSRepPart enc_part = new EncTGSRepPart(ref); rep.encKDCRepPart = enc_part; check(false, req, rep); this.creds = new Credentials(rep.ticket, rep.cname, enc_part.sname, enc_part.key, enc_part.flags, enc_part.authtime, enc_part.starttime, enc_part.endtime, enc_part.renewTill, enc_part.caddr ); this.rep = rep; this.secondTicket = tgsReq.getSecondTicket(); }
Return the credentials that were contained in this KRB-TGS-REP.
/** * Return the credentials that were contained in this KRB-TGS-REP. */
public Credentials getCreds() { return creds; } sun.security.krb5.internal.ccache.Credentials setCredentials() { return new sun.security.krb5.internal.ccache.Credentials(rep, secondTicket); } }