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