/*
* 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 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.methodData.MethodDataContainer;
import org.apache.directory.shared.kerberos.codec.types.PaDataType;
import org.apache.directory.shared.kerberos.components.MethodData;
import org.apache.directory.shared.kerberos.components.PaData;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test the METHOD-DATA decoder.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
@RunWith(ConcurrentJunitRunner.class)
@Concurrency()
public class MethodDataDecoderTest
{
/**
* Test the decoding of a METHOD-DATA
*/
@Test
public void testMethodData()
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x24 );
stream.put( new byte[]
{
0x30, 0x22,
0x30, 0x0F,
(byte)0xA1, 0x03, // padata-type
0x02, 0x01, 0x02,
(byte)0xA2, 0x08, // padata-value
0x04, 0x06, 'a', 'b', 'c', 'd', 'e', 'f',
0x30, 0x0F,
(byte)0xA1, 0x03, // padata-type
0x02, 0x01, 0x02,
(byte)0xA2, 0x08, // padata-value
0x04, 0x06, 'g', 'h', 'i', 'j', 'k', 'l'
} );
String decodedPdu = Strings.dumpBytes(stream.array());
stream.flip();
// Allocate a METHOD-DATA Container
Asn1Container methodDataContainer = new MethodDataContainer();
methodDataContainer.setStream( stream );
// Decode the MethodData PDU
try
{
kerberosDecoder.decode( stream, methodDataContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
// Check the decoded ETypeInfo
MethodData methodData = ( ( MethodDataContainer ) methodDataContainer ).getMethodData();
assertEquals( 2, methodData.getPaDatas().length );
String[] expected = new String[]{ "abcdef", "ghijkl" };
int i = 0;
for ( PaData paData : methodData.getPaDatas() )
{
assertEquals( PaDataType.PA_ENC_TIMESTAMP, paData.getPaDataType() );
assertTrue( Arrays.equals( Strings.getBytesUtf8(expected[i]), paData.getPaDataValue() ) );
i++;
}
// Check the encoding
ByteBuffer bb = ByteBuffer.allocate( methodData.computeLength() );
try
{
bb = methodData.encode( bb );
// Check the length
assertEquals( 0x24, bb.limit() );
String encodedPdu = Strings.dumpBytes(bb.array());
assertEquals( encodedPdu, decodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of a METHOD-DATA with nothing in it
*/
@Test( expected = DecoderException.class)
public void testETypeInfoEmpty() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x02 );
stream.put( new byte[]
{ 0x30, 0x00 } );
stream.flip();
// Allocate a METHOD-DATA Container
Asn1Container methodDataContainer = new MethodDataContainer();
// Decode the METHOD-DATA PDU
kerberosDecoder.decode( stream, methodDataContainer );
fail();
}
/**
* Test the decoding of a METHOD-DATA with empty PA-DATA in it
*/
@Test( expected = DecoderException.class)
public void testETypeInfoNoETypeInfoEntry() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x04 );
stream.put( new byte[]
{
0x30, 0x02,
(byte)0x30, 0x00 // empty PA-DATA
} );
stream.flip();
// Allocate a METHOD-DATA Container
Asn1Container methodDataContainer = new MethodDataContainer();
// Decode the METHOD-DATA PDU
kerberosDecoder.decode( stream, methodDataContainer );
fail();
fail();
}
}