| /* |
| * Copyright (c) 2000, 2012, 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. |
| */ |
| |
| /* |
| * |
| * (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. |
| */ |
| 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. |
| */ |
| public Credentials getCreds() { |
| return creds; |
| } |
| |
| sun.security.krb5.internal.ccache.Credentials setCredentials() { |
| return new sun.security.krb5.internal.ccache.Credentials(rep, secondTicket); |
| } |
| } |