/*
* 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.assertTrue;
import static org.junit.Assert.fail;
import java.nio.ByteBuffer;
import java.util.Arrays;
import org.apache.directory.shared.asn1.DecoderException;
import org.apache.directory.shared.asn1.ber.Asn1Decoder;
import org.apache.directory.shared.asn1.EncoderException;
import org.apache.directory.shared.kerberos.codec.padata.PaDataContainer;
import org.apache.directory.shared.kerberos.codec.types.PaDataType;
import org.apache.directory.shared.kerberos.components.PaData;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
/**
* Test cases for PaData codec.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class PaDataDecoderTest
{
@Test
public void testDecodePaData()
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x11 );
stream.put( new byte[]
{
0x30, 0x0F,
(byte)0xA1, 0x03, // padata-type
0x02, 0x01, 0x02,
(byte)0xA2, 0x08, // padata-value
0x04, 0x06, 'p', 'a', 'd', 'a', 't', 'a'
} );
String decodedPdu = Strings.dumpBytes(stream.array());
stream.flip();
PaDataContainer container = new PaDataContainer();
try
{
krbDecoder.decode( stream, container );
}
catch ( DecoderException de )
{
de.printStackTrace();
fail( de.getMessage() );
}
PaData checksum = container.getPaData();
assertEquals( PaDataType.getTypeByValue( 2 ), checksum.getPaDataType() );
assertTrue( Arrays.equals( Strings.getBytesUtf8("padata"), checksum.getPaDataValue() ) );
ByteBuffer bb = ByteBuffer.allocate( checksum.computeLength() );
try
{
bb = checksum.encode( bb );
// Check the length
assertEquals( 0x11, bb.limit() );
String encodedPdu = Strings.dumpBytes(bb.array());
assertEquals( encodedPdu, decodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
@Test( expected = DecoderException.class )
public void testDecodePaDataWithoutType() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0xC );
stream.put( new byte[]
{
0x30, 0xA,
(byte)0xA2, 0x08, // padata-value
0x04, 0x06, 'p', 'a', 'd', 'a', 't', 'a'
} );
stream.flip();
PaDataContainer chkContainer = new PaDataContainer();
krbDecoder.decode( stream, chkContainer );
fail();
}
@Test( expected = DecoderException.class )
public void testDecodeChecksumWithoutPaDataValue() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x07 );
stream.put( new byte[]
{
0x30, 0x05,
(byte)0xA1, 0x03, // padata-type
0x02, 0x01, 0x02
} );
stream.flip();
PaDataContainer container = new PaDataContainer();
krbDecoder.decode( stream, container );
fail();
}
@Test
public void testDecodePaDataWithEmptySeq() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x11 );
stream.put( new byte[]
{
0x30, 0x09,
(byte)0xA1, 0x03, // padata-type
0x02, 0x01, 0x02,
(byte)0xA2, 0x02, // padata-value
0x04, 0x00
} );
stream.flip();
PaDataContainer container = new PaDataContainer();
krbDecoder.decode( stream, container );
}
}