/* * 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.krb5.*;import sun.security.util.*;import java.io.IOException;import java.math.BigInteger; /** * Implements the ASN.1 KDC-REP type. * * <xmp> * KDC-REP ::= SEQUENCE { * pvno [0] INTEGER (5), * msg-type [1] INTEGER (11 -- AS -- | 13 -- TGS --), * padata [2] SEQUENCE OF PA-DATA OPTIONAL * -- NOTE: not empty --, * crealm [3] Realm, * cname [4] PrincipalName, * ticket [5] Ticket, * enc-part [6] EncryptedData * -- EncASRepPart or EncTGSRepPart, * -- as appropriate * } * </xmp> * * <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 KDCRep { public Realm crealm; public PrincipalName cname; public Ticket ticket; public EncryptedData encPart; public EncKDCRepPart encKDCRepPart; //not part of ASN.1 encoding private int pvno; private int msgType; public PAData[] pAData = null; //optional private boolean DEBUG = Krb5.DEBUG; public KDCRep( PAData[] new_pAData, Realm new_crealm, PrincipalName new_cname, Ticket new_ticket, EncryptedData new_encPart, int req_type) throws IOException { pvno = Krb5.PVNO; msgType = req_type; if (new_pAData != null) { pAData = new PAData[new_pAData.length]; for (int i = 0; i < new_pAData.length; i++) { if (new_pAData[i] == null) { throw new IOException("Cannot create a KDCRep"); } else { pAData[i] = (PAData) new_pAData[i].clone(); } } } crealm = new_crealm; cname = new_cname; ticket = new_ticket; encPart = new_encPart; } public KDCRep() { } public KDCRep(byte[] data, int req_type) throws Asn1Exception, KrbApErrException, RealmException, IOException { init(new DerValue(data), req_type); } public KDCRep(DerValue encoding, int req_type) throws Asn1Exception, RealmException, KrbApErrException, IOException { init(encoding, req_type); } /* // Not used? Don't know what keyusage to use here %%% public void decrypt(EncryptionKey key) throws Asn1Exception, IOException, KrbException, RealmException { encKDCRepPart = new EncKDCRepPart(encPart.decrypt(key), msgType); } */ /** * Initializes an KDCRep object. * * @param encoding a single DER-encoded value. * @param req_type reply message type. * @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 constructing * a Realm object from DER-encoded data. * @exception KrbApErrException if the value read from the DER-encoded * data stream does not match the pre-defined value. * */ protected void init(DerValue encoding, int req_type) throws Asn1Exception, RealmException, IOException, KrbApErrException { DerValue der, subDer; if ((encoding.getTag() & 0x1F) != req_type) { if (DEBUG) { System.out.println(">>> KDCRep: init() " + "encoding tag is " + encoding.getTag() + " req type is " + req_type); } 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() & 0x1F) == 0x00) { pvno = subDer.getData().getBigInteger().intValue(); if (pvno != Krb5.PVNO) { throw new KrbApErrException(Krb5.KRB_AP_ERR_BADVERSION); } } else { throw new Asn1Exception(Krb5.ASN1_BAD_ID); } subDer = der.getData().getDerValue(); if ((subDer.getTag() & 0x1F) == 0x01) { msgType = subDer.getData().getBigInteger().intValue(); if (msgType != req_type) { throw new KrbApErrException(Krb5.KRB_AP_ERR_MSG_TYPE); } } else { throw new Asn1Exception(Krb5.ASN1_BAD_ID); } if ((der.getData().peekByte() & 0x1F) == 0x02) { subDer = der.getData().getDerValue(); DerValue[] padata = subDer.getData().getSequence(1); pAData = new PAData[padata.length]; for (int i = 0; i < padata.length; i++) { pAData[i] = new PAData(padata[i]); } } else { pAData = null; } crealm = Realm.parse(der.getData(), (byte) 0x03, false); cname = PrincipalName.parse(der.getData(), (byte) 0x04, false); ticket = Ticket.parse(der.getData(), (byte) 0x05, false); encPart = EncryptedData.parse(der.getData(), (byte) 0x06, false); if (der.getData().available() > 0) { throw new Asn1Exception(Krb5.ASN1_BAD_ID); } } /** * Encodes this object to a byte array. * @return byte array of encoded APReq 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(); temp.putInteger(BigInteger.valueOf(pvno)); bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x00), temp); temp = new DerOutputStream(); temp.putInteger(BigInteger.valueOf(msgType)); bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x01), temp); if (pAData != null && pAData.length > 0) { DerOutputStream padata_stream = new DerOutputStream(); for (int i = 0; i < pAData.length; i++) { padata_stream.write(pAData[i].asn1Encode()); } temp = new DerOutputStream(); temp.write(DerValue.tag_SequenceOf, padata_stream); bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x02), temp); } bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x03), crealm.asn1Encode()); bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x04), cname.asn1Encode()); bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x05), ticket.asn1Encode()); bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x06), encPart.asn1Encode()); temp = new DerOutputStream(); temp.write(DerValue.tag_Sequence, bytes); return temp.toByteArray(); }}
/*
* 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.krb5.*;
import sun.security.util.*;
import java.io.IOException;
import java.math.BigInteger;
/**
* Implements the ASN.1 KDC-REP type.
*
* <xmp>
* KDC-REP ::= SEQUENCE {
* pvno [0] INTEGER (5),
* msg-type [1] INTEGER (11 -- AS -- | 13 -- TGS --),
* padata [2] SEQUENCE OF PA-DATA OPTIONAL
* -- NOTE: not empty --,
* crealm [3] Realm,
* cname [4] PrincipalName,
* ticket [5] Ticket,
* enc-part [6] EncryptedData
* -- EncASRepPart or EncTGSRepPart,
* -- as appropriate
* }
* </xmp>
*
* <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 KDCRep {
public Realm crealm;
public PrincipalName cname;
public Ticket ticket;
public EncryptedData encPart;
public EncKDCRepPart encKDCRepPart; //not part of ASN.1 encoding
private int pvno;
private int msgType;
public PAData[] pAData = null; //optional
private boolean DEBUG = Krb5.DEBUG;
public KDCRep(
PAData[] new_pAData,
Realm new_crealm,
PrincipalName new_cname,
Ticket new_ticket,
EncryptedData new_encPart,
int req_type) throws IOException {
pvno = Krb5.PVNO;
msgType = req_type;
if (new_pAData != null) {
pAData = new PAData[new_pAData.length];
for (int i = 0; i < new_pAData.length; i++) {
if (new_pAData[i] == null) {
throw new IOException("Cannot create a KDCRep");
} else {
pAData[i] = (PAData) new_pAData[i].clone();
}
}
}
crealm = new_crealm;
cname = new_cname;
ticket = new_ticket;
encPart = new_encPart;
}
public KDCRep() {
}
public KDCRep(byte[] data, int req_type) throws Asn1Exception,
KrbApErrException, RealmException, IOException {
init(new DerValue(data), req_type);
}
public KDCRep(DerValue encoding, int req_type) throws Asn1Exception,
RealmException, KrbApErrException, IOException {
init(encoding, req_type);
}
/*
// Not used? Don't know what keyusage to use here %%%
public void decrypt(EncryptionKey key) throws Asn1Exception,
IOException, KrbException, RealmException {
encKDCRepPart = new EncKDCRepPart(encPart.decrypt(key), msgType);
}
*/
/**
* Initializes an KDCRep object.
*
* @param encoding a single DER-encoded value.
* @param req_type reply message type.
* @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 constructing
* a Realm object from DER-encoded data.
* @exception KrbApErrException if the value read from the DER-encoded
* data stream does not match the pre-defined value.
*
*/
protected void init(DerValue encoding, int req_type)
throws Asn1Exception, RealmException, IOException,
KrbApErrException {
DerValue der, subDer;
if ((encoding.getTag() & 0x1F) != req_type) {
if (DEBUG) {
System.out.println(">>> KDCRep: init() " +
"encoding tag is " +
encoding.getTag() +
" req type is " + req_type);
}
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() & 0x1F) == 0x00) {
pvno = subDer.getData().getBigInteger().intValue();
if (pvno != Krb5.PVNO) {
throw new KrbApErrException(Krb5.KRB_AP_ERR_BADVERSION);
}
} else {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
subDer = der.getData().getDerValue();
if ((subDer.getTag() & 0x1F) == 0x01) {
msgType = subDer.getData().getBigInteger().intValue();
if (msgType != req_type) {
throw new KrbApErrException(Krb5.KRB_AP_ERR_MSG_TYPE);
}
} else {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
if ((der.getData().peekByte() & 0x1F) == 0x02) {
subDer = der.getData().getDerValue();
DerValue[] padata = subDer.getData().getSequence(1);
pAData = new PAData[padata.length];
for (int i = 0; i < padata.length; i++) {
pAData[i] = new PAData(padata[i]);
}
} else {
pAData = null;
}
crealm = Realm.parse(der.getData(), (byte) 0x03, false);
cname = PrincipalName.parse(der.getData(), (byte) 0x04, false);
ticket = Ticket.parse(der.getData(), (byte) 0x05, false);
encPart = EncryptedData.parse(der.getData(), (byte) 0x06, false);
if (der.getData().available() > 0) {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
}
/**
* Encodes this object to a byte array.
* @return byte array of encoded APReq 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();
temp.putInteger(BigInteger.valueOf(pvno));
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x00), temp);
temp = new DerOutputStream();
temp.putInteger(BigInteger.valueOf(msgType));
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x01), temp);
if (pAData != null && pAData.length > 0) {
DerOutputStream padata_stream = new DerOutputStream();
for (int i = 0; i < pAData.length; i++) {
padata_stream.write(pAData[i].asn1Encode());
}
temp = new DerOutputStream();
temp.write(DerValue.tag_SequenceOf, padata_stream);
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x02), temp);
}
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x03), crealm.asn1Encode());
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x04), cname.asn1Encode());
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x05), ticket.asn1Encode());
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x06), encPart.asn1Encode());
temp = new DerOutputStream();
temp.write(DerValue.tag_Sequence, bytes);
return temp.toByteArray();
}
}