/*
* 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 java.io.IOException;
import sun.security.krb5.Asn1Exception;
import sun.security.krb5.internal.ccache.CCacheOutputStream;
public class AuthorizationDataEntry implements Cloneable {
public int adType;
public byte[] adData;
private AuthorizationDataEntry() {
}
public AuthorizationDataEntry(
int new_adType,
byte[] new_adData) {
adType = new_adType;
adData = new_adData;
}
public Object clone() {
AuthorizationDataEntry new_authorizationDataEntry =
new AuthorizationDataEntry();
new_authorizationDataEntry.adType = adType;
if (adData != null) {
new_authorizationDataEntry.adData = new byte[adData.length];
System.arraycopy(adData, 0,
new_authorizationDataEntry.adData, 0, adData.length);
}
return new_authorizationDataEntry;
}
/**
* Constructs an instance of AuthorizationDataEntry.
* @param encoding a single DER-encoded value.
*/
public AuthorizationDataEntry(DerValue encoding) throws Asn1Exception, IOException {
DerValue der;
if (encoding.getTag() != DerValue.tag_Sequence) {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
der = encoding.getData().getDerValue();
if ((der.getTag() & (byte) 0x1F) == (byte) 0x00) {
adType = der.getData().getBigInteger().intValue();
} else {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
der = encoding.getData().getDerValue();
if ((der.getTag() & (byte) 0x1F) == (byte) 0x01) {
adData = der.getData().getOctetString();
} else {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
if (encoding.getData().available() > 0) {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
}
/**
* Encodes an AuthorizationDataEntry object.
* @return byte array of encoded AuthorizationDataEntry 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(adType);
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x00), temp);
temp = new DerOutputStream();
temp.putOctetString(adData);
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x01), temp);
temp = new DerOutputStream();
temp.write(DerValue.tag_Sequence, bytes);
return temp.toByteArray();
}
/**
* Writes the entry's data fields in FCC format to an output stream.
*
* @param cos a <code>CCacheOutputStream</code>.
* @exception IOException if an I/O exception occurs.
*/
public void writeEntry(CCacheOutputStream cos) throws IOException {
cos.write16(adType);
cos.write32(adData.length);
cos.write(adData, 0, adData.length);
}
public String toString() {
return ("adType=" + adType + " adData.length=" + adData.length);
}
}