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NegTokenTarg.java
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NegTokenTarg.java
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/* jcifs smb client library in Java
* Copyright (C) 2004 "Michael B. Allen" <jcifs at samba dot org>
* "Eric Glass" <jcifs at samba dot org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package jcifs.spnego;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Enumeration;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Encoding;
import org.bouncycastle.asn1.ASN1Enumerated;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1OutputStream;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
@SuppressWarnings ( "javadoc" )
public class NegTokenTarg extends SpnegoToken {
public static final int UNSPECIFIED_RESULT = -1;
public static final int ACCEPT_COMPLETED = 0;
public static final int ACCEPT_INCOMPLETE = 1;
public static final int REJECTED = 2;
public static final int REQUEST_MIC = 3;
private ASN1ObjectIdentifier mechanism;
private int result = UNSPECIFIED_RESULT;
public NegTokenTarg () {}
public NegTokenTarg ( int result, ASN1ObjectIdentifier mechanism, byte[] mechanismToken, byte[] mechanismListMIC ) {
setResult(result);
setMechanism(mechanism);
setMechanismToken(mechanismToken);
setMechanismListMIC(mechanismListMIC);
}
public NegTokenTarg ( byte[] token ) throws IOException {
parse(token);
}
public int getResult () {
return this.result;
}
public void setResult ( int result ) {
this.result = result;
}
public ASN1ObjectIdentifier getMechanism () {
return this.mechanism;
}
public void setMechanism ( ASN1ObjectIdentifier mechanism ) {
this.mechanism = mechanism;
}
@Override
public byte[] toByteArray () {
try {
ByteArrayOutputStream collector = new ByteArrayOutputStream();
ASN1OutputStream der = ASN1OutputStream.create(collector, ASN1Encoding.DER);
ASN1EncodableVector fields = new ASN1EncodableVector();
int res = getResult();
if ( res != UNSPECIFIED_RESULT ) {
fields.add(new DERTaggedObject(true, 0, new ASN1Enumerated(res)));
}
ASN1ObjectIdentifier mech = getMechanism();
if ( mech != null ) {
fields.add(new DERTaggedObject(true, 1, mech));
}
byte[] mechanismToken = getMechanismToken();
if ( mechanismToken != null ) {
fields.add(new DERTaggedObject(true, 2, new DEROctetString(mechanismToken)));
}
byte[] mechanismListMIC = getMechanismListMIC();
if ( mechanismListMIC != null ) {
fields.add(new DERTaggedObject(true, 3, new DEROctetString(mechanismListMIC)));
}
der.writeObject(new DERTaggedObject(true, 1, new DERSequence(fields)));
return collector.toByteArray();
}
catch ( IOException ex ) {
throw new IllegalStateException(ex.getMessage());
}
}
@Override
protected void parse ( byte[] token ) throws IOException {
try ( ASN1InputStream der = new ASN1InputStream(token) ) {
ASN1TaggedObject tagged = (ASN1TaggedObject) der.readObject();
ASN1Sequence sequence = ASN1Sequence.getInstance(tagged, true);
Enumeration<?> fields = sequence.getObjects();
while ( fields.hasMoreElements() ) {
tagged = (ASN1TaggedObject) fields.nextElement();
switch ( tagged.getTagNo() ) {
case 0:
ASN1Enumerated enumerated = ASN1Enumerated.getInstance(tagged, true);
setResult(enumerated.getValue().intValue());
break;
case 1:
setMechanism(ASN1ObjectIdentifier.getInstance(tagged, true));
break;
case 2:
ASN1OctetString mechanismToken = ASN1OctetString.getInstance(tagged, true);
setMechanismToken(mechanismToken.getOctets());
break;
case 3:
ASN1OctetString mechanismListMIC = ASN1OctetString.getInstance(tagged, true);
setMechanismListMIC(mechanismListMIC.getOctets());
break;
default:
throw new IOException("Malformed token field.");
}
}
}
}
}