/*
* 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.etypeInfo2.ETypeInfo2Container;
import org.apache.directory.shared.kerberos.codec.types.EncryptionType;
import org.apache.directory.shared.kerberos.components.ETypeInfo2;
import org.apache.directory.shared.kerberos.components.ETypeInfo2Entry;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test the ETYPE-INFO2 decoder.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
@RunWith(ConcurrentJunitRunner.class)
@Concurrency()
public class ETypeInfo2DecoderTest
{
/**
* Test the decoding of a ETYPE-INFO2
*/
@Test
public void testETypeInfo2()
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x20 );
stream.put( new byte[]
{
0x30, 0x1E,
0x30, 0x0D,
(byte)0xA0, 0x03, // etype
0x02, 0x01, 0x05,
(byte)0xA1, 0x06, // salt
0x1B, 0x04, 0x31, 0x32, 0x33, 0x34,
0x30, 0x0D,
(byte)0xA0, 0x03, // etype
0x02, 0x01, 0x05,
(byte)0xA1, 0x06, // salt
0x1B, 0x04, 0x35, 0x36, 0x37, 0x38
} );
String decodedPdu = Strings.dumpBytes(stream.array());
stream.flip();
// Allocate a ETypeInfo2 Container
Asn1Container etypeInfo2Container = new ETypeInfo2Container();
etypeInfo2Container.setStream( stream );
// Decode the ETypeInfo2 PDU
try
{
kerberosDecoder.decode( stream, etypeInfo2Container );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
// Check the decoded ETypeInfo2
ETypeInfo2 etypeInfo2 = ( ( ETypeInfo2Container ) etypeInfo2Container ).getETypeInfo2();
assertEquals( 2, etypeInfo2.getETypeInfo2Entries().length );
String[] expected = new String[]{ "1234", "5678" };
int i = 0;
for ( ETypeInfo2Entry etypeInfo2Entry : etypeInfo2.getETypeInfo2Entries() )
{
assertEquals( EncryptionType.DES3_CBC_MD5, etypeInfo2Entry.getEType() );
assertEquals( expected[i], etypeInfo2Entry.getSalt() );
i++;
}
// Check the encoding
ByteBuffer bb = ByteBuffer.allocate( etypeInfo2.computeLength() );
try
{
bb = etypeInfo2.encode( bb );
// Check the length
assertEquals( 0x20, bb.limit() );
String encodedPdu = Strings.dumpBytes(bb.array());
assertEquals( encodedPdu, decodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of a ETypeInfo2 with nothing in it
*/
@Test( expected = DecoderException.class)
public void testETypeInfo2Empty() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x02 );
stream.put( new byte[]
{ 0x30, 0x00 } );
stream.flip();
// Allocate a ETypeInfo2 Container
Asn1Container etypeInfo2Container = new ETypeInfo2Container();
// Decode the ETypeInfo2 PDU
kerberosDecoder.decode( stream, etypeInfo2Container );
fail();
}
/**
* Test the decoding of a ETypeInfo2 with empty ETypeInfo2Entry in it
*/
@Test( expected = DecoderException.class)
public void testETypeInfo2NoETypeInfo2Entry() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x04 );
stream.put( new byte[]
{
0x30, 0x02,
(byte)0x30, 0x00 // empty ETypeInfo2Entry
} );
stream.flip();
// Allocate a ETypeInfo2 Container
Asn1Container etypeInfo2Container = new ETypeInfo2Container();
// Decode the ETypeInfo2 PDU
kerberosDecoder.decode( stream, etypeInfo2Container );
fail();
}
}