/*
* 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.assertNotNull;
import static org.junit.Assert.fail;
import java.nio.ByteBuffer;
import org.apache.directory.shared.asn1.DecoderException;
import org.apache.directory.shared.asn1.EncoderException;
import org.apache.directory.shared.asn1.ber.Asn1Decoder;
import org.apache.directory.shared.kerberos.codec.lastReq.LastReqContainer;
import org.apache.directory.shared.kerberos.codec.types.LastReqType;
import org.apache.directory.shared.kerberos.components.LastReq;
import org.apache.directory.shared.kerberos.components.LastReqEntry;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
/**
* Test cases for LastReq decoder.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class LastReqDecoderTest
{
@Test
public void testLastReqData()
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x36 );
stream.put( new byte[]
{
0x30, 0x34,
0x30, 0x18,
(byte)0xA0, 0x03, // lr-type
0x02, 0x01, 0x02,
(byte)0xA1, 0x11, // lr-value
0x18, 0x0F, '2', '0', '1', '0', '1', '1', '1', '0', '1', '5', '4', '5', '2', '5', 'Z',
0x30, 0x18,
(byte)0xA0, 0x03, // lr-type
0x02, 0x01, 0x02,
(byte)0xA1, 0x11, // lr-value
0x18, 0x0F, '2', '0', '1', '0', '1', '1', '1', '0', '1', '5', '4', '5', '2', '6', 'Z'
} );
String decodedPdu = Strings.dumpBytes(stream.array());
stream.flip();
LastReqContainer lastReqContainer = new LastReqContainer();
// Decode the LastReq PDU
try
{
kerberosDecoder.decode( stream, lastReqContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
LastReq lastReq = lastReqContainer.getLastReq();
assertNotNull( lastReq.getLastReqs().size() );
assertEquals( 2, lastReq.getLastReqs().size() );
String[] expected = new String[]{ "20101110154525Z", "20101110154526Z" };
int i = 0;
for ( LastReqEntry lre : lastReq.getLastReqs() )
{
assertEquals( LastReqType.TIME_OF_INITIAL_REQ, lre.getLrType() );
assertEquals( expected[i++], lre.getLrValue().toString() );
}
// Check the encoding
ByteBuffer bb = ByteBuffer.allocate( lastReq.computeLength() );
try
{
bb = lastReq.encode( bb );
// Check the length
assertEquals( 0x36, bb.limit() );
String encodedPdu = Strings.dumpBytes(bb.array());
assertEquals( encodedPdu, decodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
@Test( expected = DecoderException.class)
public void testLastReqWithoutType() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x15 );
stream.put( new byte[]
{
0x30, 0x13,
(byte)0xA1, 0x11, // lr-value
0x18, 0x0F, '2', '0', '1', '0', '1', '1', '1', '0', '1', '5', '4', '5', '2', '6', 'Z'
} );
stream.flip();
LastReqContainer lastReqContainer = new LastReqContainer();
kerberosDecoder.decode( stream, lastReqContainer );
fail();
}
@Test( expected = DecoderException.class)
public void testLastReqWithoutValue() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x07 );
stream.put( new byte[]
{ 0x30, 0x05,
(byte)0xA0, 0x03, // lr-type
0x02, 0x01, 0x02
} );
stream.flip();
LastReqContainer lastReqContainer = new LastReqContainer();
kerberosDecoder.decode( stream, lastReqContainer );
fail();
}
@Test( expected = DecoderException.class)
public void testLastReqWithIncorrectPdu() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x02 );
stream.put( new byte[]
{ 0x30, 0x00 } );
stream.flip();
LastReqContainer lastReqContainer = new LastReqContainer();
kerberosDecoder.decode( stream, lastReqContainer );
fail();
}
@Test( expected = DecoderException.class)
public void testLastReqWithEmptyValue() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0xB );
stream.put( new byte[]
{
0x30, 0x09,
(byte)0xA0, 0x03, // lr-type
0x02, 0x01, 0x02,
(byte)0xA1, 0x02, // lr-value
0x18, 0x00
} );
stream.flip();
LastReqContainer lastReqContainer = new LastReqContainer();
kerberosDecoder.decode( stream, lastReqContainer );
fail();
}
@Test( expected = DecoderException.class)
public void testLastReqWithEmptyType() throws DecoderException
{
Asn1Decoder kerberosDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x19 );
stream.put( new byte[]
{
0x30, 0x17,
(byte)0xA0, 0x02, // lr-type
0x02, 0x00,
(byte)0xA1, 0x11, // lr-value
0x18, 0x0F, '2', '0', '1', '0', '1', '1', '1', '0', '1', '5', '4', '5', '2', '6', 'Z'
} );
stream.flip();
LastReqContainer lastReqContainer = new LastReqContainer();
kerberosDecoder.decode( stream, lastReqContainer );
fail();
}
}