/*
* 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.KerberosMessageType;
import org.apache.directory.shared.kerberos.codec.krbSafe.KrbSafeContainer;
import org.apache.directory.shared.kerberos.messages.KrbSafe;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
/**
* Test cases for KrbSafe codec
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class KrbSafeDecoderTest
{
@Test
public void testDecodeKrbSafe()
{
byte[] data = new byte[]
{
0x74, 0x36,
0x30, 0x34,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x14,
( byte ) 0xA2,
0x19, // safe-body
0x30,
0x17,
( byte ) 0xA0,
0x04,
0x04,
0x02,
0x00,
0x01,
( byte ) 0xA4,
0x0F,
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1,
( byte ) 0xA3,
0x0D, // cksum
0x30,
0x0B,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x01,
( byte ) 0xA1,
0x04,
0x04,
0x02,
0x00,
0x01
};
String decoded = Strings.dumpBytes( data );
int streamLen = data.length;
ByteBuffer stream = ByteBuffer.wrap( data );
Asn1Decoder decoder = new Asn1Decoder();
KrbSafeContainer container = new KrbSafeContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
e.printStackTrace();
fail();
}
KrbSafe krbSafe = container.getKrbSafe();
assertEquals( 5, krbSafe.getProtocolVersionNumber() );
assertEquals( KerberosMessageType.KRB_SAFE, krbSafe.getMessageType() );
assertNotNull( krbSafe.getChecksum() );
assertNotNull( krbSafe.getSafeBody() );
int encodedLen = krbSafe.computeLength();
assertEquals( streamLen, encodedLen );
try
{
ByteBuffer bb = ByteBuffer.allocate( encodedLen );
krbSafe.encode( bb );
String encoded = Strings.dumpBytes( bb.array() );
assertEquals( decoded, encoded );
}
catch ( EncoderException e )
{
fail();
}
}
@Test(expected = DecoderException.class)
public void testDecodeKrbSafeWithIncorrectPdu() throws DecoderException
{
byte[] data = new byte[]
{
0x74, 0xC,
0x30, 0xA,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x14,
};
ByteBuffer stream = ByteBuffer.wrap( data );
Asn1Decoder decoder = new Asn1Decoder();
KrbSafeContainer container = new KrbSafeContainer( stream );
decoder.decode( stream, container );
}
}