author | phh |
Sat, 30 Nov 2019 14:33:05 -0800 | |
changeset 59330 | 5b96c12f909d |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* |
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* (C) Copyright IBM Corp. 1999 All Rights Reserved. |
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* Copyright 1997 The Open Group Research Institute. All rights reserved. |
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*/ |
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package sun.security.krb5.internal; |
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import sun.security.util.*; |
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import sun.security.krb5.Asn1Exception; |
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import sun.security.krb5.RealmException; |
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import java.util.Vector; |
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import java.io.IOException; |
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import java.math.BigInteger; |
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/** |
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* Implements the ASN.1 EncKrbCredPart type. |
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* |
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* <pre>{@code |
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* EncKrbCredPart ::= [APPLICATION 29] SEQUENCE { |
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* ticket-info [0] SEQUENCE OF KrbCredInfo, |
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* nonce [1] UInt32 OPTIONAL, |
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* timestamp [2] KerberosTime OPTIONAL, |
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* usec [3] Microseconds OPTIONAL, |
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* s-address [4] HostAddress OPTIONAL, |
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* r-address [5] HostAddress OPTIONAL |
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* } |
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* }</pre> |
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* |
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* <p> |
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* This definition reflects the Network Working Group RFC 4120 |
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* specification available at |
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* <a href="http://www.ietf.org/rfc/rfc4120.txt"> |
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* http://www.ietf.org/rfc/rfc4120.txt</a>. |
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*/ |
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public class EncKrbCredPart { |
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public KrbCredInfo[] ticketInfo = null; |
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public KerberosTime timeStamp; //optional |
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private Integer nonce; //optional |
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private Integer usec; //optional |
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private HostAddress sAddress; //optional |
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private HostAddresses rAddress; //optional |
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public EncKrbCredPart( |
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KrbCredInfo[] new_ticketInfo, |
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KerberosTime new_timeStamp, |
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Integer new_usec, |
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Integer new_nonce, |
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HostAddress new_sAddress, |
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HostAddresses new_rAddress) throws IOException { |
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if (new_ticketInfo != null) { |
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ticketInfo = new KrbCredInfo[new_ticketInfo.length]; |
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for (int i = 0; i < new_ticketInfo.length; i++) { |
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if (new_ticketInfo[i] == null) { |
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throw new IOException("Cannot create a EncKrbCredPart"); |
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} else { |
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ticketInfo[i] = (KrbCredInfo) new_ticketInfo[i].clone(); |
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} |
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} |
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} |
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timeStamp = new_timeStamp; |
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usec = new_usec; |
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nonce = new_nonce; |
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sAddress = new_sAddress; |
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rAddress = new_rAddress; |
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} |
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public EncKrbCredPart(byte[] data) throws Asn1Exception, |
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IOException, RealmException { |
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init(new DerValue(data)); |
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} |
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public EncKrbCredPart(DerValue encoding) throws Asn1Exception, |
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IOException, RealmException { |
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init(encoding); |
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} |
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/** |
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* Initializes an EncKrbCredPart object. |
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* @param encoding a single DER-encoded value. |
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* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. |
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* @exception IOException if an I/O error occurs while reading encoded data. |
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* @exception RealmException if an error occurs while parsing a Realm object. |
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*/ |
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private void init(DerValue encoding) throws Asn1Exception, |
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IOException, RealmException { |
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DerValue der, subDer; |
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//may not be the correct error code for a tag |
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//mismatch on an encrypted structure |
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nonce = null; |
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timeStamp = null; |
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usec = null; |
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sAddress = null; |
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rAddress = null; |
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if (((encoding.getTag() & (byte) 0x1F) != (byte) 0x1D) |
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|| (encoding.isApplication() != true) |
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|| (encoding.isConstructed() != true)) { |
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throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
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} |
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der = encoding.getData().getDerValue(); |
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if (der.getTag() != DerValue.tag_Sequence) { |
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throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
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} |
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subDer = der.getData().getDerValue(); |
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if ((subDer.getTag() & (byte) 0x1F) == (byte) 0x00) { |
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DerValue[] derValues = subDer.getData().getSequence(1); |
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ticketInfo = new KrbCredInfo[derValues.length]; |
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for (int i = 0; i < derValues.length; i++) { |
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ticketInfo[i] = new KrbCredInfo(derValues[i]); |
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} |
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} else { |
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throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
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} |
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if (der.getData().available() > 0) { |
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if (((byte) (der.getData().peekByte()) & (byte) 0x1F) == (byte) 0x01) { |
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subDer = der.getData().getDerValue(); |
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nonce = subDer.getData().getBigInteger().intValue(); |
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} |
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} |
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if (der.getData().available() > 0) { |
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timeStamp = KerberosTime.parse(der.getData(), (byte) 0x02, true); |
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} |
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if (der.getData().available() > 0) { |
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if (((byte) (der.getData().peekByte()) & (byte) 0x1F) == (byte) 0x03) { |
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subDer = der.getData().getDerValue(); |
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usec = subDer.getData().getBigInteger().intValue(); |
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} |
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} |
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if (der.getData().available() > 0) { |
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sAddress = HostAddress.parse(der.getData(), (byte) 0x04, true); |
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} |
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if (der.getData().available() > 0) { |
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rAddress = HostAddresses.parse(der.getData(), (byte) 0x05, true); |
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} |
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if (der.getData().available() > 0) { |
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throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
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} |
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} |
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/** |
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* Encodes an EncKrbCredPart object. |
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* @return byte array of encoded EncKrbCredPart object. |
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* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. |
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* @exception IOException if an I/O error occurs while reading encoded data. |
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* |
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*/ |
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public byte[] asn1Encode() throws Asn1Exception, IOException { |
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DerOutputStream bytes = new DerOutputStream(); |
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DerOutputStream temp = new DerOutputStream(); |
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DerValue[] tickets = new DerValue[ticketInfo.length]; |
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for (int i = 0; i < ticketInfo.length; i++) { |
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tickets[i] = new DerValue(ticketInfo[i].asn1Encode()); |
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} |
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temp.putSequence(tickets); |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x00), temp); |
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if (nonce != null) { |
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temp = new DerOutputStream(); |
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temp.putInteger(BigInteger.valueOf(nonce.intValue())); |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x01), temp); |
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} |
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if (timeStamp != null) { |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x02), timeStamp.asn1Encode()); |
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} |
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if (usec != null) { |
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temp = new DerOutputStream(); |
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temp.putInteger(BigInteger.valueOf(usec.intValue())); |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x03), temp); |
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} |
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if (sAddress != null) { |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x04), sAddress.asn1Encode()); |
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} |
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if (rAddress != null) { |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x05), rAddress.asn1Encode()); |
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} |
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temp = new DerOutputStream(); |
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temp.write(DerValue.tag_Sequence, bytes); |
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bytes = new DerOutputStream(); |
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bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION, |
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true, (byte) 0x1D), temp); |
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return bytes.toByteArray(); |
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} |
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} |