| /* |
| * 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(); |
| } |
| } |
