/*
* 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.hostAddresses.HostAddressesContainer;
import org.apache.directory.shared.kerberos.codec.types.HostAddrType;
import org.apache.directory.shared.kerberos.components.HostAddress;
import org.apache.directory.shared.kerberos.components.HostAddresses;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test the HostAddresses decoder.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
@RunWith(ConcurrentJunitRunner.class)
@Concurrency()
public class HostAddressesDecoderTest
{
/**
* Test the decoding of a HostAddresses
*/
@Test
public void testHostAddresses()
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x44 );
stream.put( new byte[]
{
0x30, 0x42,
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',
0x30,
0x14,
( byte ) 0xA0,
0x03, // addr-type
0x02,
0x01,
0x02, // IPV4
( byte ) 0xA1,
0x0D, // address : 192.168.0.2
0x04,
0x0B,
'1',
'9',
'2',
'.',
'1',
'6',
'8',
'.',
'0',
'.',
'2',
0x30,
0x14,
( byte ) 0xA0,
0x03, // addr-type
0x02,
0x01,
0x02, // IPV4
( byte ) 0xA1,
0x0D, // address : 192.168.0.3
0x04,
0x0B,
'1',
'9',
'2',
'.',
'1',
'6',
'8',
'.',
'0',
'.',
'3'
} );
String decodedPdu = Strings.dumpBytes( stream.array() );
stream.flip();
// Allocate a HostAddresses Container
Asn1Container hostAddressesContainer = new HostAddressesContainer();
hostAddressesContainer.setStream( stream );
// Decode the HostAddresses PDU
try
{
kerberosDecoder.decode( stream, hostAddressesContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
// Check the decoded HostAddress
HostAddresses hostAddresses = ( ( HostAddressesContainer ) hostAddressesContainer ).getHostAddresses();
assertEquals( 3, hostAddresses.getAddresses().length );
String[] expected = new String[]
{ "192.168.0.1", "192.168.0.2", "192.168.0.3" };
int i = 0;
for ( HostAddress hostAddress : hostAddresses.getAddresses() )
{
assertEquals( HostAddrType.ADDRTYPE_INET, hostAddress.getAddrType() );
assertTrue( Arrays.equals( Strings.getBytesUtf8( expected[i] ), hostAddress.getAddress() ) );
i++;
}
// Check the encoding
ByteBuffer bb = ByteBuffer.allocate( hostAddresses.computeLength() );
try
{
bb = hostAddresses.encode( bb );
// Check the length
assertEquals( 0x44, bb.limit() );
String encodedPdu = Strings.dumpBytes( bb.array() );
assertEquals( encodedPdu, decodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of a HostAddresses 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 hostAddressesContainer = new HostAddressesContainer();
// Decode the HostAddress PDU
kerberosDecoder.decode( stream, hostAddressesContainer );
fail();
}
/**
* Test the decoding of a HostAddresses with empty hostAddress in it
*/
@Test(expected = DecoderException.class)
public void testHostAddressesNoHostAddress() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x04 );
stream.put( new byte[]
{ 0x30, 0x02,
( byte ) 0x30, 0x00 // empty HostAddress
} );
stream.flip();
// Allocate a HostAddress Container
Asn1Container hostAddressesContainer = new HostAddressContainer();
// Decode the HostAddresses PDU
kerberosDecoder.decode( stream, hostAddressesContainer );
fail();
}
}