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.*;
0N/Aimport sun.security.util.*;
0N/Aimport java.io.IOException;
0N/Aimport java.math.BigInteger;
50N/A
0N/A/**
0N/A * Implements the ASN.1 KDC-REP type.
0N/A *
0N/A * <xmp>
0N/A * KDC-REP ::= SEQUENCE {
0N/A * pvno [0] INTEGER (5),
0N/A * msg-type [1] INTEGER (11 -- AS -- | 13 -- TGS --),
0N/A * padata [2] SEQUENCE OF PA-DATA OPTIONAL
0N/A * -- NOTE: not empty --,
0N/A * crealm [3] Realm,
0N/A * cname [4] PrincipalName,
0N/A * ticket [5] Ticket,
0N/A * enc-part [6] EncryptedData
0N/A * -- EncASRepPart or EncTGSRepPart,
0N/A * -- as appropriate
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 */
50N/Apublic class KDCRep {
0N/A
50N/A public Realm crealm;
50N/A public PrincipalName cname;
50N/A public Ticket ticket;
50N/A public EncryptedData encPart;
50N/A public EncKDCRepPart encKDCRepPart; //not part of ASN.1 encoding
50N/A private int pvno;
50N/A private int msgType;
3054N/A public PAData[] pAData = null; //optional
50N/A private boolean DEBUG = Krb5.DEBUG;
0N/A
50N/A public KDCRep(
50N/A PAData[] new_pAData,
50N/A Realm new_crealm,
50N/A PrincipalName new_cname,
50N/A Ticket new_ticket,
50N/A EncryptedData new_encPart,
50N/A int req_type) throws IOException {
50N/A pvno = Krb5.PVNO;
50N/A msgType = req_type;
50N/A if (new_pAData != null) {
50N/A pAData = new PAData[new_pAData.length];
50N/A for (int i = 0; i < new_pAData.length; i++) {
50N/A if (new_pAData[i] == null) {
50N/A throw new IOException("Cannot create a KDCRep");
50N/A } else {
50N/A pAData[i] = (PAData) new_pAData[i].clone();
0N/A }
50N/A }
0N/A }
50N/A crealm = new_crealm;
50N/A cname = new_cname;
50N/A ticket = new_ticket;
50N/A encPart = new_encPart;
50N/A }
0N/A
50N/A public KDCRep() {
50N/A }
0N/A
50N/A public KDCRep(byte[] data, int req_type) throws Asn1Exception,
50N/A KrbApErrException, RealmException, IOException {
50N/A init(new DerValue(data), req_type);
50N/A }
50N/A
50N/A public KDCRep(DerValue encoding, int req_type) throws Asn1Exception,
50N/A RealmException, KrbApErrException, IOException {
50N/A init(encoding, req_type);
50N/A }
0N/A
0N/A /*
0N/A // Not used? Don't know what keyusage to use here %%%
50N/A public void decrypt(EncryptionKey key) throws Asn1Exception,
50N/A IOException, KrbException, RealmException {
50N/A encKDCRepPart = new EncKDCRepPart(encPart.decrypt(key), msgType);
50N/A }
50N/A */
50N/A /**
50N/A * Initializes an KDCRep object.
50N/A *
50N/A * @param encoding a single DER-encoded value.
50N/A * @param req_type reply message type.
50N/A * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
50N/A * @exception IOException if an I/O error occurs while reading encoded data.
50N/A * @exception RealmException if an error occurs while constructing
50N/A * a Realm object from DER-encoded data.
50N/A * @exception KrbApErrException if the value read from the DER-encoded
50N/A * data stream does not match the pre-defined value.
50N/A *
50N/A */
50N/A protected void init(DerValue encoding, int req_type)
0N/A throws Asn1Exception, RealmException, IOException,
50N/A KrbApErrException {
50N/A DerValue der, subDer;
50N/A if ((encoding.getTag() & 0x1F) != req_type) {
50N/A if (DEBUG) {
50N/A System.out.println(">>> KDCRep: init() " +
50N/A "encoding tag is " +
50N/A encoding.getTag() +
50N/A " req type is " + req_type);
0N/A }
50N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
50N/A }
50N/A der = encoding.getData().getDerValue();
50N/A if (der.getTag() != DerValue.tag_Sequence) {
50N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
50N/A }
50N/A subDer = der.getData().getDerValue();
50N/A if ((subDer.getTag() & 0x1F) == 0x00) {
50N/A pvno = subDer.getData().getBigInteger().intValue();
50N/A if (pvno != Krb5.PVNO) {
50N/A throw new KrbApErrException(Krb5.KRB_AP_ERR_BADVERSION);
0N/A }
50N/A } else {
50N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
50N/A }
50N/A subDer = der.getData().getDerValue();
50N/A if ((subDer.getTag() & 0x1F) == 0x01) {
50N/A msgType = subDer.getData().getBigInteger().intValue();
50N/A if (msgType != req_type) {
50N/A throw new KrbApErrException(Krb5.KRB_AP_ERR_MSG_TYPE);
0N/A }
50N/A } else {
50N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
50N/A }
50N/A if ((der.getData().peekByte() & 0x1F) == 0x02) {
50N/A subDer = der.getData().getDerValue();
50N/A DerValue[] padata = subDer.getData().getSequence(1);
50N/A pAData = new PAData[padata.length];
50N/A for (int i = 0; i < padata.length; i++) {
50N/A pAData[i] = new PAData(padata[i]);
0N/A }
50N/A } else {
50N/A pAData = null;
50N/A }
50N/A crealm = Realm.parse(der.getData(), (byte) 0x03, false);
50N/A cname = PrincipalName.parse(der.getData(), (byte) 0x04, false);
50N/A ticket = Ticket.parse(der.getData(), (byte) 0x05, false);
50N/A encPart = EncryptedData.parse(der.getData(), (byte) 0x06, false);
50N/A if (der.getData().available() > 0) {
50N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A }
50N/A }
0N/A
50N/A /**
50N/A * Encodes this object to a byte array.
50N/A * @return byte array of encoded APReq object.
50N/A * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
50N/A * @exception IOException if an I/O error occurs while reading encoded data.
50N/A *
50N/A */
50N/A public byte[] asn1Encode() throws Asn1Exception, IOException {
0N/A
50N/A DerOutputStream bytes = new DerOutputStream();
50N/A DerOutputStream temp = new DerOutputStream();
50N/A temp.putInteger(BigInteger.valueOf(pvno));
50N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
50N/A true, (byte) 0x00), temp);
50N/A temp = new DerOutputStream();
50N/A temp.putInteger(BigInteger.valueOf(msgType));
50N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
50N/A true, (byte) 0x01), temp);
50N/A if (pAData != null && pAData.length > 0) {
50N/A DerOutputStream padata_stream = new DerOutputStream();
50N/A for (int i = 0; i < pAData.length; i++) {
50N/A padata_stream.write(pAData[i].asn1Encode());
50N/A }
0N/A temp = new DerOutputStream();
50N/A temp.write(DerValue.tag_SequenceOf, padata_stream);
50N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
50N/A true, (byte) 0x02), temp);
0N/A }
50N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
50N/A true, (byte) 0x03), crealm.asn1Encode());
50N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
50N/A true, (byte) 0x04), cname.asn1Encode());
50N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
50N/A true, (byte) 0x05), ticket.asn1Encode());
50N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
50N/A true, (byte) 0x06), encPart.asn1Encode());
50N/A temp = new DerOutputStream();
50N/A temp.write(DerValue.tag_Sequence, bytes);
50N/A return temp.toByteArray();
50N/A }
0N/A}