| /* | |
| * 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.internal; | |
| import sun.security.util.*; | |
| import sun.security.krb5.Asn1Exception; | |
| import sun.security.krb5.RealmException; | |
| import java.util.Vector; | |
| import java.io.IOException; | |
| import java.math.BigInteger; | |
| /** | |
| * Implements the ASN.1 EncKrbCredPart type. | |
| * | |
| * <pre>{@code | |
| * EncKrbCredPart ::= [APPLICATION 29] SEQUENCE { | |
| * ticket-info [0] SEQUENCE OF KrbCredInfo, | |
| * nonce [1] UInt32 OPTIONAL, | |
| * timestamp [2] KerberosTime OPTIONAL, | |
| * usec [3] Microseconds OPTIONAL, | |
| * s-address [4] HostAddress OPTIONAL, | |
| * r-address [5] HostAddress OPTIONAL | |
| * } | |
| * }</pre> | |
| * | |
| * <p> | |
| * This definition reflects the Network Working Group RFC 4120 | |
| * specification available at | |
| * <a href="http://www.ietf.org/rfc/rfc4120.txt"> | |
| * http://www.ietf.org/rfc/rfc4120.txt</a>. | |
| */ | |
| public class EncKrbCredPart { | |
| public KrbCredInfo[] ticketInfo = null; | |
| public KerberosTime timeStamp; //optional | |
| private Integer nonce; //optional | |
| private Integer usec; //optional | |
| private HostAddress sAddress; //optional | |
| private HostAddresses rAddress; //optional | |
| public EncKrbCredPart( | |
| KrbCredInfo[] new_ticketInfo, | |
| KerberosTime new_timeStamp, | |
| Integer new_usec, | |
| Integer new_nonce, | |
| HostAddress new_sAddress, | |
| HostAddresses new_rAddress) throws IOException { | |
| if (new_ticketInfo != null) { | |
| ticketInfo = new KrbCredInfo[new_ticketInfo.length]; | |
| for (int i = 0; i < new_ticketInfo.length; i++) { | |
| if (new_ticketInfo[i] == null) { | |
| throw new IOException("Cannot create a EncKrbCredPart"); | |
| } else { | |
| ticketInfo[i] = (KrbCredInfo) new_ticketInfo[i].clone(); | |
| } | |
| } | |
| } | |
| timeStamp = new_timeStamp; | |
| usec = new_usec; | |
| nonce = new_nonce; | |
| sAddress = new_sAddress; | |
| rAddress = new_rAddress; | |
| } | |
| public EncKrbCredPart(byte[] data) throws Asn1Exception, | |
| IOException, RealmException { | |
| init(new DerValue(data)); | |
| } | |
| public EncKrbCredPart(DerValue encoding) throws Asn1Exception, | |
| IOException, RealmException { | |
| init(encoding); | |
| } | |
| /** | |
| * Initializes an EncKrbCredPart object. | |
| * @param encoding a single DER-encoded value. | |
| * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. | |
| * @exception IOException if an I/O error occurs while reading encoded data. | |
| * @exception RealmException if an error occurs while parsing a Realm object. | |
| */ | |
| private void init(DerValue encoding) throws Asn1Exception, | |
| IOException, RealmException { | |
| DerValue der, subDer; | |
| //may not be the correct error code for a tag | |
| //mismatch on an encrypted structure | |
| nonce = null; | |
| timeStamp = null; | |
| usec = null; | |
| sAddress = null; | |
| rAddress = null; | |
| if (((encoding.getTag() & (byte) 0x1F) != (byte) 0x1D) | |
| || (encoding.isApplication() != true) | |
| || (encoding.isConstructed() != true)) { | |
| throw new Asn1Exception(Krb5.ASN1_BAD_ID); | |
| } | |
| der = encoding.getData().getDerValue(); | |
| if (der.getTag() != DerValue.tag_Sequence) { | |
| throw new Asn1Exception(Krb5.ASN1_BAD_ID); | |
| } | |
| subDer = der.getData().getDerValue(); | |
| if ((subDer.getTag() & (byte) 0x1F) == (byte) 0x00) { | |
| DerValue[] derValues = subDer.getData().getSequence(1); | |
| ticketInfo = new KrbCredInfo[derValues.length]; | |
| for (int i = 0; i < derValues.length; i++) { | |
| ticketInfo[i] = new KrbCredInfo(derValues[i]); | |
| } | |
| } else { | |
| throw new Asn1Exception(Krb5.ASN1_BAD_ID); | |
| } | |
| if (der.getData().available() > 0) { | |
| if (((byte) (der.getData().peekByte()) & (byte) 0x1F) == (byte) 0x01) { | |
| subDer = der.getData().getDerValue(); | |
| nonce = subDer.getData().getBigInteger().intValue(); | |
| } | |
| } | |
| if (der.getData().available() > 0) { | |
| timeStamp = KerberosTime.parse(der.getData(), (byte) 0x02, true); | |
| } | |
| if (der.getData().available() > 0) { | |
| if (((byte) (der.getData().peekByte()) & (byte) 0x1F) == (byte) 0x03) { | |
| subDer = der.getData().getDerValue(); | |
| usec = subDer.getData().getBigInteger().intValue(); | |
| } | |
| } | |
| if (der.getData().available() > 0) { | |
| sAddress = HostAddress.parse(der.getData(), (byte) 0x04, true); | |
| } | |
| if (der.getData().available() > 0) { | |
| rAddress = HostAddresses.parse(der.getData(), (byte) 0x05, true); | |
| } | |
| if (der.getData().available() > 0) { | |
| throw new Asn1Exception(Krb5.ASN1_BAD_ID); | |
| } | |
| } | |
| /** | |
| * Encodes an EncKrbCredPart object. | |
| * @return byte array of encoded EncKrbCredPart object. | |
| * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. | |
| * @exception IOException if an I/O error occurs while reading encoded data. | |
| * | |
| */ | |
| public byte[] asn1Encode() throws Asn1Exception, IOException { | |
| DerOutputStream bytes = new DerOutputStream(); | |
| DerOutputStream temp = new DerOutputStream(); | |
| DerValue[] tickets = new DerValue[ticketInfo.length]; | |
| for (int i = 0; i < ticketInfo.length; i++) { | |
| tickets[i] = new DerValue(ticketInfo[i].asn1Encode()); | |
| } | |
| temp.putSequence(tickets); | |
| bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, | |
| true, (byte) 0x00), temp); | |
| if (nonce != null) { | |
| temp = new DerOutputStream(); | |
| temp.putInteger(BigInteger.valueOf(nonce.intValue())); | |
| bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, | |
| true, (byte) 0x01), temp); | |
| } | |
| if (timeStamp != null) { | |
| bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, | |
| true, (byte) 0x02), timeStamp.asn1Encode()); | |
| } | |
| if (usec != null) { | |
| temp = new DerOutputStream(); | |
| temp.putInteger(BigInteger.valueOf(usec.intValue())); | |
| bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, | |
| true, (byte) 0x03), temp); | |
| } | |
| if (sAddress != null) { | |
| bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, | |
| true, (byte) 0x04), sAddress.asn1Encode()); | |
| } | |
| if (rAddress != null) { | |
| bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, | |
| true, (byte) 0x05), rAddress.asn1Encode()); | |
| } | |
| temp = new DerOutputStream(); | |
| temp.write(DerValue.tag_Sequence, bytes); | |
| bytes = new DerOutputStream(); | |
| bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION, | |
| true, (byte) 0x1D), temp); | |
| return bytes.toByteArray(); | |
| } | |
| } |