/*
* 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.hostAddress.HostAddressContainer;
import org.apache.directory.shared.kerberos.codec.types.HostAddrType;
import org.apache.directory.shared.kerberos.components.HostAddress;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test the HostAddress decoder.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
@RunWith(ConcurrentJunitRunner.class)
@Concurrency()
public class HostAddressDecoderTest
{
/**
* Test the decoding of a full HostAddress
*/
@Test
public void testHostAddress()
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x16 );
stream.put( new byte[]
{
0x30, 0x14,
(byte)0xA0, 0x03, // addr-type
0x02, 0x01, 0x02, // IPV4
(byte)0xA1, 0x0D, // address : 192.168.0.1
0x04, 0x0B, '1', '9', '2', '.', '1', '6', '8', '.', '0', '.', '1'
} );
String decodedPdu = Strings.dumpBytes(stream.array());
stream.flip();
// Allocate a HostAddress Container
Asn1Container hostAddressContainer = new HostAddressContainer();
// Decode the HostAddress PDU
try
{
kerberosDecoder.decode( stream, hostAddressContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
// Check the decoded HostAddress
HostAddress hostAddress = ( ( HostAddressContainer ) hostAddressContainer ).getHostAddress();
assertEquals( HostAddrType.ADDRTYPE_INET, hostAddress.getAddrType() );
assertTrue( Arrays.equals( Strings.getBytesUtf8("192.168.0.1"), hostAddress.getAddress() ) );
// Check the encoding
ByteBuffer bb = ByteBuffer.allocate( hostAddress.computeLength() );
try
{
bb = hostAddress.encode( bb );
// Check the length
assertEquals( 0x16, bb.limit() );
String encodedPdu = Strings.dumpBytes(bb.array());
assertEquals( encodedPdu, decodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of a HostAddress with nothing in it
*/
@Test( expected = DecoderException.class)
public void testHostAddressEmpty() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x02 );
stream.put( new byte[]
{ 0x30, 0x00 } );
stream.flip();
// Allocate a HostAddress Container
Asn1Container hostAddressContainer = new HostAddressContainer();
// Decode the HostAddress PDU
kerberosDecoder.decode( stream, hostAddressContainer );
fail();
}
/**
* Test the decoding of a HostAddress with no addr-type
*/
@Test( expected = DecoderException.class)
public void testHostAddressNoAddrType() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x04 );
stream.put( new byte[]
{
0x30, 0x02,
(byte)0xA0, 0x00 // addr-type
} );
stream.flip();
// Allocate a HostAddress Container
Asn1Container hostAddressContainer = new HostAddressContainer();
// Decode the HostAddress PDU
kerberosDecoder.decode( stream, hostAddressContainer );
fail();
}
/**
* Test the decoding of a HostAddress with an empty addr-type
*/
@Test( expected = DecoderException.class)
public void testHostAddressEmptyAddrType() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x0B );
stream.put( new byte[]
{
0x30, 0x04,
(byte)0xA0, 0x03, // addr-type
0x02, 0x00 //
} );
stream.flip();
// Allocate a HostAddress Container
Asn1Container hostAddressContainer = new HostAddressContainer();
// Decode the HostAddress PDU
kerberosDecoder.decode( stream, hostAddressContainer );
fail();
}
/**
* Test the decoding of a HostAddress with no address
*/
@Test( expected = DecoderException.class)
public void testHostAddressNoAddress() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x09 );
stream.put( new byte[]
{ 0x30, 0x07,
(byte)0xA0, 0x03, // addr-type
0x02, 0x01, 0x02, //
(byte)0xA1, 0x00 // address
} );
stream.flip();
// Allocate a HostAddress Container
Asn1Container hostAddressContainer = new HostAddressContainer();
// Decode the HostAddress PDU
kerberosDecoder.decode( stream, hostAddressContainer );
fail();
}
/**
* Test the decoding of a HostAddress empty address
*/
@Test( expected = DecoderException.class )
public void testHostAddressEmptyAddress() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x0E );
stream.put( new byte[]
{
0x30, 0x14,
(byte)0xA0, 0x03, // addr-type
0x02, 0x01, 0x02, // IPV4
(byte)0xA1, 0x02, // address
0x04, 0x00
} );
stream.flip();
// Allocate a HostAddress Container
Asn1Container hostAddressContainer = new HostAddressContainer();
// Decode the HostAddress PDU
kerberosDecoder.decode( stream, hostAddressContainer );
fail();
}
/**
* Test the decoding of a HostAddress with no add-type
*/
@Test( expected = DecoderException.class )
public void testHostAddressMissingAddrType() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x11 );
stream.put( new byte[]
{
0x30, 0x0F,
(byte)0xA1, 0x0D, // address : 192.168.0.1
0x04, 0x0B, '1', '9', '2', '.', '1', '6', '8', '.', '0', '.', '1'
} );
stream.flip();
// Allocate a HostAddress Container
Asn1Container hostAddressContainer = new HostAddressContainer();
// Decode the HostAddress PDU
kerberosDecoder.decode( stream, hostAddressContainer );
fail();
}
/**
* Test the decoding of a HostAddress with no adddress
*/
@Test( expected = DecoderException.class )
public void testHostAddressMissingAddress() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x07 );
stream.put( new byte[]
{
0x30, 0x05,
(byte)0xA0, 0x03, // addr-type
0x02, 0x01, 0x02, // IPV4
} );
stream.flip();
// Allocate a HostAddress Container
Asn1Container hostAddressContainer = new HostAddressContainer();
// Decode the HostAddress PDU
kerberosDecoder.decode( stream, hostAddressContainer );
fail();
}
}