0N/A/*
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/*
0N/A *
0N/A * (C) Copyright IBM Corp. 1999 All Rights Reserved.
0N/A * Copyright 1997 The Open Group Research Institute. All rights reserved.
0N/A */
0N/A
0N/Apackage sun.security.krb5.internal;
0N/A
0N/Aimport sun.security.krb5.PrincipalName;
0N/Aimport sun.security.krb5.EncryptedData;
0N/Aimport sun.security.krb5.Asn1Exception;
0N/Aimport sun.security.krb5.Realm;
0N/Aimport sun.security.krb5.RealmException;
0N/Aimport sun.security.util.*;
0N/Aimport java.io.IOException;
0N/Aimport java.math.BigInteger;
0N/A
0N/A/**
0N/A * Implements the ASN.1 Ticket type.
0N/A *
0N/A * <xmp>
0N/A * Ticket ::= [APPLICATION 1] SEQUENCE {
0N/A * tkt-vno [0] INTEGER (5),
0N/A * realm [1] Realm,
0N/A * sname [2] PrincipalName,
0N/A * enc-part [3] EncryptedData -- EncTicketPart
0N/A * }
0N/A * </xmp>
0N/A *
0N/A * <p>
0N/A * This definition reflects the Network Working Group RFC 4120
0N/A * specification available at
0N/A * <a href="http://www.ietf.org/rfc/rfc4120.txt">
0N/A * http://www.ietf.org/rfc/rfc4120.txt</a>.
0N/A */
0N/A
0N/Apublic class Ticket implements Cloneable {
0N/A public int tkt_vno;
0N/A public Realm realm;
0N/A public PrincipalName sname;
0N/A public EncryptedData encPart;
0N/A
0N/A private Ticket() {
0N/A }
0N/A
0N/A public Object clone() {
0N/A Ticket new_ticket = new Ticket();
0N/A new_ticket.realm = (Realm)realm.clone();
0N/A new_ticket.sname = (PrincipalName)sname.clone();
0N/A new_ticket.encPart = (EncryptedData)encPart.clone();
0N/A new_ticket.tkt_vno = tkt_vno;
0N/A return new_ticket;
0N/A }
0N/A
0N/A public Ticket(
0N/A Realm new_realm,
0N/A PrincipalName new_sname,
0N/A EncryptedData new_encPart
0N/A ) {
0N/A tkt_vno = Krb5.TICKET_VNO;
0N/A realm = new_realm;
0N/A sname = new_sname;
0N/A encPart = new_encPart;
0N/A }
0N/A
0N/A public Ticket(byte[] data) throws Asn1Exception,
0N/A RealmException, KrbApErrException, IOException {
0N/A init(new DerValue(data));
0N/A }
0N/A
0N/A public Ticket(DerValue encoding) throws Asn1Exception,
0N/A RealmException, KrbApErrException, IOException {
0N/A init(encoding);
0N/A }
0N/A
0N/A /**
0N/A * Initializes a Ticket object.
0N/A * @param encoding a single DER-encoded value.
0N/A * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
0N/A * @exception IOException if an I/O error occurs while reading encoded data.
0N/A * @exception KrbApErrException if the value read from the DER-encoded data stream does not match the pre-defined value.
0N/A * @exception RealmException if an error occurs while parsing a Realm object.
0N/A */
0N/A
0N/A private void init(DerValue encoding) throws Asn1Exception,
0N/A RealmException, KrbApErrException, IOException {
0N/A DerValue der;
0N/A DerValue subDer;
0N/A if (((encoding.getTag() & (byte)0x1F) != Krb5.KRB_TKT)
0N/A || (encoding.isApplication() != true)
0N/A || (encoding.isConstructed() != true))
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A der = encoding.getData().getDerValue();
0N/A if (der.getTag() != DerValue.tag_Sequence)
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A subDer = der.getData().getDerValue();
0N/A if ((subDer.getTag() & (byte)0x1F) != (byte)0x00)
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A tkt_vno = subDer.getData().getBigInteger().intValue();
0N/A if (tkt_vno != Krb5.TICKET_VNO)
0N/A throw new KrbApErrException(Krb5.KRB_AP_ERR_BADVERSION);
0N/A realm = Realm.parse(der.getData(), (byte)0x01, false);
0N/A sname = PrincipalName.parse(der.getData(), (byte)0x02, false);
0N/A encPart = EncryptedData.parse(der.getData(), (byte)0x03, false);
0N/A if (der.getData().available() > 0)
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A }
0N/A
0N/A /**
0N/A * Encodes a Ticket object.
0N/A * @return byte array of encoded ticket object.
0N/A * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
0N/A * @exception IOException if an I/O error occurs while reading encoded data.
0N/A */
0N/A public byte[] asn1Encode() throws Asn1Exception, IOException {
0N/A DerOutputStream bytes = new DerOutputStream();
0N/A DerOutputStream temp = new DerOutputStream();
0N/A DerValue der[] = new DerValue[4];
0N/A temp.putInteger(BigInteger.valueOf(tkt_vno));
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), temp);
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), realm.asn1Encode());
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), sname.asn1Encode());
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), encPart.asn1Encode());
0N/A temp = new DerOutputStream();
0N/A temp.write(DerValue.tag_Sequence, bytes);
0N/A DerOutputStream ticket = new DerOutputStream();
0N/A ticket.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte)0x01), temp);
0N/A return ticket.toByteArray();
0N/A }
0N/A
0N/A /**
0N/A * Parse (unmarshal) a Ticket from a DER input stream. This form
0N/A * parsing might be used when expanding a value which is part of
0N/A * a constructed sequence and uses explicitly tagged type.
0N/A *
0N/A * @exception Asn1Exception on error.
0N/A * @param data the Der input stream value, which contains one or more marshaled value.
0N/A * @param explicitTag tag number.
0N/A * @param optional indicate if this data field is optional
0N/A * @return an instance of Ticket.
0N/A */
0N/A public static Ticket parse(DerInputStream data, byte explicitTag, boolean optional) throws Asn1Exception, IOException, RealmException, KrbApErrException {
0N/A if ((optional) && (((byte)data.peekByte() & (byte)0x1F)!= explicitTag))
0N/A return null;
0N/A DerValue der = data.getDerValue();
0N/A if (explicitTag != (der.getTag() & (byte)0x1F)) {
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A }
0N/A else {
0N/A DerValue subDer = der.getData().getDerValue();
0N/A return new Ticket(subDer);
0N/A }
0N/A }
0N/A
0N/A
0N/A}