/*
* 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.EncoderException;
import org.apache.directory.shared.asn1.ber.Asn1Container;
import org.apache.directory.shared.asn1.ber.Asn1Decoder;
import org.apache.directory.shared.kerberos.codec.tgsRep.TgsRepContainer;
import org.apache.directory.shared.kerberos.messages.TgsRep;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test the decoder for a TGS-REP
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
@RunWith(ConcurrentJunitRunner.class)
@Concurrency()
public class TgsRepDecoderTest
{
/**
* Test the decoding of a TGS-REP message
*/
@Test
public void testDecodeFullTgsRep() throws Exception
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0xAC );
stream.put( new byte[]
{
0x6D, (byte)0x81, (byte)0xA9,
0x30, (byte)0x81, (byte)0xA6,
(byte)0xA0, 0x03, // PVNO
0x02, 0x01, 0x05,
(byte)0xA1, 0x03, // msg-type
0x02, 0x01, 0x0D,
(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 TgsRep Container
TgsRepContainer tgsRepContainer = new TgsRepContainer( stream );
// Decode the TgsRep PDU
try
{
kerberosDecoder.decode( stream, tgsRepContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
TgsRep tgsRep = tgsRepContainer.getTgsRep();
// Check the encoding
int length = tgsRep.computeLength();
// Check the length
assertEquals( 0xAC, length );
// Check the encoding
ByteBuffer encodedPdu = ByteBuffer.allocate( length );
try
{
encodedPdu = tgsRep.encode( encodedPdu );
// Check the length
assertEquals( 0xAC, encodedPdu.limit() );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of a TGS-REP with nothing in it
*/
@Test( expected = DecoderException.class)
public void testTgsRepEmpty() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x02 );
stream.put( new byte[]
{ 0x30, 0x00 } );
stream.flip();
// Allocate a TGS-REP Container
Asn1Container tgsRepContainer = new TgsRepContainer( stream );
// Decode the TGS-REP PDU
kerberosDecoder.decode( stream, tgsRepContainer );
fail();
}
/**
* Test the decoding of a TGS-REP with empty Pvno tag
*/
@Test( expected = DecoderException.class)
public void testTgsRepEmptyPvnoTag() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x04 );
stream.put( new byte[]
{
0x30, 0x02,
(byte)0xA0, 0x00
} );
stream.flip();
// Allocate a TGS-REP Container
Asn1Container tgsRepContainer = new TgsRepContainer( stream );
// Decode the TGS-REP PDU
kerberosDecoder.decode( stream, tgsRepContainer );
fail();
}
/**
* Test the decoding of a TGS-REP with empty Pvno value
*/
@Test( expected = DecoderException.class)
public void testTgsRepEmptyPvnoValue() 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 TGS-REP Container
Asn1Container tgsRepContainer = new TgsRepContainer( stream );
// Decode the TGS-REP PDU
kerberosDecoder.decode( stream, tgsRepContainer );
fail();
}
}