/*
* 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.encApRepPart.EncApRepPartContainer;
import org.apache.directory.shared.kerberos.messages.EncApRepPart;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test the decoder for a EncApRepPart message
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
@RunWith(ConcurrentJunitRunner.class)
@Concurrency()
public class EncApRepPartDecoderTest
{
/**
* Test the decoding of a EncApRepPart message
*/
@Test
public void testDecodeFullEncApRepPart() throws Exception
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x33 );
stream.put( new byte[]
{
0x7B, 0x31,
0x30, 0x2F,
( byte ) 0xA0, 0x11, // ctime
0x18,
0x0F,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'0',
'1',
'5',
'4',
'5',
'2',
'5',
'Z',
( byte ) 0xA1,
0x03, // cusec
0x02,
0x01,
0x7F,
( byte ) 0xA2,
0x0F, // subkey
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x01,
( byte ) 0xA1,
0x06,
0x04,
0x04,
'A',
'B',
'C',
'D',
( byte ) 0xA3,
0x04, // seq-number
0x02,
0x02,
0x30,
0x39,
} );
String decodedPdu = Strings.dumpBytes( stream.array() );
stream.flip();
// Allocate a EncApRepPart Container
Asn1Container encApRepPartContainer = new EncApRepPartContainer( stream );
// Decode the EncApRepPart PDU
try
{
kerberosDecoder.decode( stream, encApRepPartContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
EncApRepPart encApRepPart = ( ( EncApRepPartContainer ) encApRepPartContainer ).getEncApRepPart();
// Check the encoding
int length = encApRepPart.computeLength();
// Check the length
assertEquals( 0x33, length );
// Check the encoding
ByteBuffer encodedPdu = ByteBuffer.allocate( length );
try
{
encodedPdu = encApRepPart.encode( encodedPdu );
// Check the length
assertEquals( 0x33, encodedPdu.limit() );
assertEquals( decodedPdu, Strings.dumpBytes( encodedPdu.array() ) );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of a EncApRepPart with nothing in it
*/
@Test(expected = DecoderException.class)
public void testAuthenticatorEmpty() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x02 );
stream.put( new byte[]
{ 0x7B, 0x00 } );
stream.flip();
// Allocate a EncApRepPart Container
Asn1Container encApRepPartContainer = new EncApRepPartContainer( stream );
// Decode the EncApRepPart PDU
kerberosDecoder.decode( stream, encApRepPartContainer );
fail();
}
/**
* Test the decoding of a EncApRepPart with empty sequence
*/
@Test(expected = DecoderException.class)
public void testEncApRepPartEmptySequence() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x04 );
stream.put( new byte[]
{
0x7B, 0x02,
0x30, 0x00
} );
stream.flip();
// Allocate a EncApRepPart Container
Asn1Container encApRepPartContainer = new EncApRepPartContainer( stream );
// Decode the EncApRepPart PDU
kerberosDecoder.decode( stream, encApRepPartContainer );
fail();
}
/**
* Test the decoding of a EncApRepPart with empty ctime tag
*/
@Test(expected = DecoderException.class)
public void testEncApRepPartEmptyCTimeg() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x06 );
stream.put( new byte[]
{
0x7B, 0x04,
0x30, 0x02,
( byte ) 0xA0, 0x00
} );
stream.flip();
// Allocate a EncApRepPart Container
Asn1Container encApRepPartContainer = new EncApRepPartContainer( stream );
// Decode the EncApRepPart PDU
kerberosDecoder.decode( stream, encApRepPartContainer );
fail();
}
/**
* Test the decoding of a EncApRepPart with no CTime
*/
@Test(expected = DecoderException.class)
public void testEncApRepPartNoCtime() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x20 );
stream.put( new byte[]
{
0x7B, 0x1E,
0x30, 0x1C,
( byte ) 0xA1, 0x03, // cusec
0x02,
0x01,
0x7F,
( byte ) 0xA2,
0x0F, // subkey
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x01,
( byte ) 0xA1,
0x06,
0x04,
0x04,
'A',
'B',
'C',
'D',
( byte ) 0xA3,
0x04, // seq-number
0x02,
0x02,
0x30,
0x39,
} );
stream.flip();
// Allocate a EncApRepPart Container
Asn1Container encApRepPartContainer = new EncApRepPartContainer( stream );
// Decode the EncApRepPart PDU
kerberosDecoder.decode( stream, encApRepPartContainer );
fail();
}
/**
* Test the decoding of a EncApRepPart with no cusec
*/
@Test(expected = DecoderException.class)
public void testEncApRepPartNoCusec() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x2F );
stream.put( new byte[]
{
0x7B, 0x2C,
0x30, 0x2A,
( byte ) 0xA0, 0x11, // ctime
0x18,
0x0F,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'0',
'1',
'5',
'4',
'5',
'2',
'5',
'Z',
( byte ) 0xA2,
0x0F, // subkey
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x01,
( byte ) 0xA1,
0x06,
0x04,
0x04,
'A',
'B',
'C',
'D',
( byte ) 0xA3,
0x04, // seq-number
0x02,
0x02,
0x30,
0x39,
} );
stream.flip();
// Allocate a EncApRepPart Container
Asn1Container encApRepPartContainer = new EncApRepPartContainer( stream );
// Decode the EncApRepPart PDU
kerberosDecoder.decode( stream, encApRepPartContainer );
fail();
}
/**
* Test the decoding of a EncApRepPart message with no subKey
*/
@Test
public void testDecodeEncApRepPartNoSubKey() throws Exception
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x22 );
stream.put( new byte[]
{
0x7B, 0x20,
0x30, 0x1E,
( byte ) 0xA0, 0x11, // ctime
0x18,
0x0F,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'0',
'1',
'5',
'4',
'5',
'2',
'5',
'Z',
( byte ) 0xA1,
0x03, // cusec
0x02,
0x01,
0x7F,
( byte ) 0xA3,
0x04, // seq-number
0x02,
0x02,
0x30,
0x39,
} );
String decodedPdu = Strings.dumpBytes( stream.array() );
stream.flip();
// Allocate a EncApRepPart Container
Asn1Container encApRepPartContainer = new EncApRepPartContainer( stream );
// Decode the EncApRepPart PDU
try
{
kerberosDecoder.decode( stream, encApRepPartContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
EncApRepPart encApRepPart = ( ( EncApRepPartContainer ) encApRepPartContainer ).getEncApRepPart();
// Check the encoding
int length = encApRepPart.computeLength();
// Check the length
assertEquals( 0x22, length );
// Check the encoding
ByteBuffer encodedPdu = ByteBuffer.allocate( length );
try
{
encodedPdu = encApRepPart.encode( encodedPdu );
// Check the length
assertEquals( 0x22, encodedPdu.limit() );
assertEquals( decodedPdu, Strings.dumpBytes( encodedPdu.array() ) );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of a EncApRepPart message with no seq-number
*/
@Test
public void testDecodeEncApRepPartNoSeqNumber() throws Exception
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x2D );
stream.put( new byte[]
{
0x7B, 0x2B,
0x30, 0x29,
( byte ) 0xA0, 0x11, // ctime
0x18,
0x0F,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'0',
'1',
'5',
'4',
'5',
'2',
'5',
'Z',
( byte ) 0xA1,
0x03, // cusec
0x02,
0x01,
0x7F,
( byte ) 0xA2,
0x0F, // subkey
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x01,
( byte ) 0xA1,
0x06,
0x04,
0x04,
'A',
'B',
'C',
'D',
} );
String decodedPdu = Strings.dumpBytes( stream.array() );
stream.flip();
// Allocate a EncApRepPart Container
Asn1Container encApRepPartContainer = new EncApRepPartContainer( stream );
// Decode the EncApRepPart PDU
try
{
kerberosDecoder.decode( stream, encApRepPartContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
EncApRepPart encApRepPart = ( ( EncApRepPartContainer ) encApRepPartContainer ).getEncApRepPart();
// Check the encoding
int length = encApRepPart.computeLength();
// Check the length
assertEquals( 0x2D, length );
// Check the encoding
ByteBuffer encodedPdu = ByteBuffer.allocate( length );
try
{
encodedPdu = encApRepPart.encode( encodedPdu );
// Check the length
assertEquals( 0x2D, encodedPdu.limit() );
assertEquals( decodedPdu, Strings.dumpBytes( encodedPdu.array() ) );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of a EncApRepPart message with no subKey nor seq-number
*/
@Test
public void testDecodeEncApRepPartNoSubKeyNoSeqNumber() throws Exception
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x1C );
stream.put( new byte[]
{
0x7B, 0x1A,
0x30, 0x18,
( byte ) 0xA0, 0x11, // ctime
0x18,
0x0F,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'0',
'1',
'5',
'4',
'5',
'2',
'5',
'Z',
( byte ) 0xA1,
0x03, // cusec
0x02,
0x01,
0x7F,
} );
String decodedPdu = Strings.dumpBytes( stream.array() );
stream.flip();
// Allocate a EncApRepPart Container
Asn1Container encApRepPartContainer = new EncApRepPartContainer( stream );
// Decode the EncApRepPart PDU
try
{
kerberosDecoder.decode( stream, encApRepPartContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
EncApRepPart encApRepPart = ( ( EncApRepPartContainer ) encApRepPartContainer ).getEncApRepPart();
// Check the encoding
int length = encApRepPart.computeLength();
// Check the length
assertEquals( 0x1C, length );
// Check the encoding
ByteBuffer encodedPdu = ByteBuffer.allocate( length );
try
{
encodedPdu = encApRepPart.encode( encodedPdu );
// Check the length
assertEquals( 0x1C, encodedPdu.limit() );
assertEquals( decodedPdu, Strings.dumpBytes( encodedPdu.array() ) );
}
catch ( EncoderException ee )
{
fail();
}
}
}