/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.shared.kerberos.codec;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.nio.ByteBuffer;
import com.mycila.junit.concurrent.Concurrency;
import com.mycila.junit.concurrent.ConcurrentJunitRunner;
import org.apache.directory.shared.asn1.DecoderException;
import org.apache.directory.shared.asn1.ber.Asn1Container;
import org.apache.directory.shared.asn1.ber.Asn1Decoder;
import org.apache.directory.shared.asn1.EncoderException;
import org.apache.directory.shared.kerberos.codec.kdcRep.KdcRepContainer;
import org.apache.directory.shared.kerberos.components.KdcRep;
import org.apache.directory.shared.kerberos.messages.AsRep;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test the decoder for a KDC-REP
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
@RunWith(ConcurrentJunitRunner.class)
@Concurrency()
public class KdcRepDecoderTest
{
/**
* Test the decoding of a KDC-REP message
*/
@Test
public void testDecodeFullKdcRep() throws Exception
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0xA9 );
stream.put( new byte[]
{
0x30, (byte)0x81, (byte)0xA6,
(byte)0xA0, 0x03, // PVNO
0x02, 0x01, 0x05,
(byte)0xA1, 0x03, // msg-type
0x02, 0x01, 0x0B,
(byte)0xA2, 0x20, // PA-DATA
0x30, 0x1E,
0x30, 0x0D,
(byte)0xA1,0x03,
0x02, 0x01, 01,
(byte)0xA2, 0x06,
0x04, 0x04, 'a', 'b', 'c', 'd',
0x30, 0x0D,
(byte)0xA1,0x03,
0x02, 0x01, 01,
(byte)0xA2, 0x06,
0x04, 0x04, 'e', 'f', 'g', 'h',
(byte)0xA3, 0x0D, // crealm
0x1B, 0x0B, 'E', 'X', 'A', 'M', 'P', 'L', 'E', '.', 'C', 'O', 'M',
(byte)0xA4, 0x14, // cname
0x30, 0x12,
(byte)0xA0, 0x03, // name-type
0x02, 0x01, 0x01,
(byte)0xA1, 0x0B, // name-string
0x30, 0x09,
0x1B, 0x07, 'h', 'n', 'e', 'l', 's', 'o', 'n',
(byte)0xA5, 0x40, // Ticket
0x61, 0x3E,
0x30, 0x3C,
(byte)0xA0, 0x03,
0x02, 0x01, 0x05,
(byte)0xA1, 0x0D,
0x1B, 0x0B,
'E', 'X', 'A', 'M', 'P', 'L', 'E', '.', 'C', 'O', 'M',
(byte)0xA2, 0x13,
0x30, 0x11,
(byte)0xA0, 0x03,
0x02, 0x01, 0x01,
(byte)0xA1, 0x0A,
0x30, 0x08,
0x1B, 0x06,
'c', 'l', 'i', 'e', 'n', 't',
(byte)0xA3, 0x11,
0x30, 0x0F,
(byte)0xA0, 0x03,
0x02, 0x01, 0x11,
(byte)0xA2, 0x08,
0x04, 0x06,
'a', 'b', 'c', 'd', 'e', 'f',
(byte)0xA6, 0x11, // enc-part
0x30, 0x0F,
(byte)0xA0, 0x03,
0x02, 0x01, 0x11,
(byte)0xA2, 0x08,
0x04, 0x06,
'a', 'b', 'c', 'd', 'e', 'f',
});
stream.flip();
// Allocate a KdcRep Container
KdcRepContainer kdcRepContainer = new KdcRepContainer( stream );
kdcRepContainer.setKdcRep( new AsRep() );
// Decode the KdcRep PDU
try
{
kerberosDecoder.decode( stream, kdcRepContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
KdcRep kdcRep = kdcRepContainer.getKdcRep();
// Check the encoding
int length = kdcRep.computeLength();
// Check the length, should be 3 bytes longer as the kdcRep is a AS-REP
assertEquals( 0xAC, length );
// Check the encoding
ByteBuffer encodedPdu = ByteBuffer.allocate( length );
try
{
encodedPdu = kdcRep.encode( encodedPdu );
// Check the length
assertEquals( 0xAC, encodedPdu.limit() );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of a KDC-REP with nothing in it
*/
@Test( expected = DecoderException.class)
public void testKdcRepEmpty() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x02 );
stream.put( new byte[]
{ 0x30, 0x00 } );
stream.flip();
// Allocate a KDC-REP Container
Asn1Container kdcRepContainer = new KdcRepContainer( stream );
// Decode the KDC-REP PDU
kerberosDecoder.decode( stream, kdcRepContainer );
fail();
}
/**
* Test the decoding of a KDC-REP with empty Pvno tag
*/
@Test( expected = DecoderException.class)
public void testKdcRepEmptyPvnoTag() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x04 );
stream.put( new byte[]
{
0x30, 0x02,
(byte)0xA0, 0x00
} );
stream.flip();
// Allocate a KDC-REP Container
Asn1Container kdcRepContainer = new KdcRepContainer( stream );
// Decode the KDC-REP PDU
kerberosDecoder.decode( stream, kdcRepContainer );
fail();
}
/**
* Test the decoding of a KDC-REP with empty Pvno value
*/
@Test( expected = DecoderException.class)
public void testKdcRepEmptyPvnoValue() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x06 );
stream.put( new byte[]
{
0x30, 0x04,
(byte)0xA0, 0x02,
0x02, 0x00
} );
stream.flip();
// Allocate a KDC-REP Container
Asn1Container kdcRepContainer = new KdcRepContainer( stream );
// Decode the KDC-REP PDU
kerberosDecoder.decode( stream, kdcRepContainer );
fail();
}
}