EncKrbCredPart.java revision 0
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
0N/A * published by the Free Software Foundation. Sun designates this
0N/A * particular file as subject to the "Classpath" exception as provided
0N/A * by Sun 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 *
0N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
0N/A * CA 95054 USA or visit www.sun.com if you need additional information or
0N/A * have any 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.util.*;
0N/Aimport sun.security.krb5.Asn1Exception;
0N/Aimport sun.security.krb5.RealmException;
0N/Aimport java.util.Vector;
0N/Aimport java.io.IOException;
0N/Aimport java.math.BigInteger;
0N/A/**
0N/A * Implements the ASN.1 EncKrbCredPart type.
0N/A *
0N/A * <xmp>
0N/A * EncKrbCredPart ::= [APPLICATION 29] SEQUENCE {
0N/A * ticket-info [0] SEQUENCE OF KrbCredInfo,
0N/A * nonce [1] UInt32 OPTIONAL,
0N/A * timestamp [2] KerberosTime OPTIONAL,
0N/A * usec [3] Microseconds OPTIONAL,
0N/A * s-address [4] HostAddress OPTIONAL,
0N/A * r-address [5] HostAddress OPTIONAL
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/Apublic class EncKrbCredPart {
0N/A public KrbCredInfo[] ticketInfo = null;
0N/A public KerberosTime timeStamp; //optional
0N/A
0N/A private Integer nonce; //optional
0N/A private Integer usec; //optional
0N/A private HostAddress sAddress; //optional
0N/A private HostAddresses rAddress; //optional
0N/A
0N/A public EncKrbCredPart(
0N/A KrbCredInfo[] new_ticketInfo,
0N/A KerberosTime new_timeStamp,
0N/A Integer new_usec,
0N/A Integer new_nonce,
0N/A HostAddress new_sAddress,
0N/A HostAddresses new_rAddress
0N/A ) throws IOException {
0N/A if (new_ticketInfo != null) {
0N/A ticketInfo = new KrbCredInfo[new_ticketInfo.length];
0N/A for (int i = 0; i < new_ticketInfo.length; i++) {
0N/A if (new_ticketInfo[i] == null) {
0N/A throw new IOException("Cannot create a EncKrbCredPart");
0N/A } else {
0N/A ticketInfo[i] = (KrbCredInfo)new_ticketInfo[i].clone();
0N/A }
0N/A }
0N/A }
0N/A timeStamp = new_timeStamp;
0N/A usec = new_usec;
0N/A nonce = new_nonce;
0N/A sAddress = new_sAddress;
0N/A rAddress = new_rAddress;
0N/A }
0N/A
0N/A public EncKrbCredPart(byte[] data) throws Asn1Exception,
0N/A IOException, RealmException {
0N/A init(new DerValue(data));
0N/A }
0N/A
0N/A public EncKrbCredPart(DerValue encoding) throws Asn1Exception,
0N/A IOException, RealmException {
0N/A init(encoding);
0N/A }
0N/A
0N/A /**
0N/A * Initializes an EncKrbCredPart 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 RealmException if an error occurs while parsing a Realm object.
0N/A */
0N/A private void init(DerValue encoding) throws Asn1Exception,
0N/A IOException, RealmException {
0N/A DerValue der, subDer;
0N/A //may not be the correct error code for a tag
0N/A //mismatch on an encrypted structure
0N/A nonce = null;
0N/A timeStamp = null;
0N/A usec= null;
0N/A sAddress = null;
0N/A rAddress = null;
0N/A if (((encoding.getTag() & (byte)0x1F) != (byte)0x1D)
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
0N/A subDer = der.getData().getDerValue();
0N/A if ((subDer.getTag() & (byte)0x1F) == (byte)0x00) {
0N/A DerValue derValues[] = subDer.getData().getSequence(1);
0N/A ticketInfo = new KrbCredInfo[derValues.length];
0N/A for (int i = 0; i < derValues.length; i++) {
0N/A ticketInfo[i] = new KrbCredInfo(derValues[i]);
0N/A }
0N/A }
0N/A else
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A if (der.getData().available() > 0) {
0N/A if (((byte)(der.getData().peekByte()) & (byte)0x1F) == (byte)0x01) {
0N/A subDer = der.getData().getDerValue();
0N/A nonce = new Integer(subDer.getData().getBigInteger().intValue());
0N/A }
0N/A }
0N/A if (der.getData().available() >0) {
0N/A timeStamp = KerberosTime.parse(der.getData(), (byte)0x02, true);
0N/A }
0N/A if (der.getData().available() >0) {
0N/A if (((byte)(der.getData().peekByte()) & (byte)0x1F) == (byte)0x03) {
0N/A subDer = der.getData().getDerValue();
0N/A usec = new Integer(subDer.getData().getBigInteger().intValue());
0N/A }
0N/A }
0N/A if (der.getData().available() >0) {
0N/A sAddress = HostAddress.parse(der.getData(), (byte)0x04, true);
0N/A }
0N/A if (der.getData().available() >0) {
0N/A rAddress = HostAddresses.parse(der.getData(), (byte)0x05, true);
0N/A }
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 an EncKrbCredPart object.
0N/A * @return byte array of encoded EncKrbCredPart 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 */
0N/A public byte[] asn1Encode() throws Asn1Exception, IOException{
0N/A DerOutputStream bytes = new DerOutputStream();
0N/A DerOutputStream temp = new DerOutputStream();
0N/A DerValue[] tickets = new DerValue[ticketInfo.length];
0N/A for (int i = 0; i < ticketInfo.length; i++)
0N/A tickets[i] = new DerValue(ticketInfo[i].asn1Encode());
0N/A temp.putSequence(tickets);
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), temp);
0N/A
0N/A if (nonce != null) {
0N/A temp = new DerOutputStream();
0N/A temp.putInteger(BigInteger.valueOf(nonce.intValue()));
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), temp);
0N/A }
0N/A if (timeStamp != null) {
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), timeStamp.asn1Encode());
0N/A }
0N/A if (usec != null) {
0N/A temp = new DerOutputStream();
0N/A temp.putInteger(BigInteger.valueOf(usec.intValue()));
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), temp);
0N/A }
0N/A if (sAddress != null) {
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x04), sAddress.asn1Encode());
0N/A }
0N/A if (rAddress != null) {
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x05), rAddress.asn1Encode());
0N/A }
0N/A temp = new DerOutputStream();
0N/A temp.write(DerValue.tag_Sequence, bytes);
0N/A bytes = new DerOutputStream();
0N/A bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte)0x1D), temp);
0N/A return bytes.toByteArray();
0N/A }
0N/A}