/*
* 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.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.nio.ByteBuffer;
import java.util.Arrays;
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.etypeInfo2Entry.ETypeInfo2EntryContainer;
import org.apache.directory.shared.kerberos.codec.types.EncryptionType;
import org.apache.directory.shared.kerberos.components.ETypeInfo2Entry;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
/**
* Test cases for ETYPE-INFO2-ENTRY codec.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class ETypeInfo2EntryDecoderTest
{
/**
* Test the decoding of a full ETYPE-INFO2-ENTRY
*/
@Test
public void testDecodeETypeInfoEntry()
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x17 );
stream.put( new byte[]
{
0x30, 0x15,
( byte ) 0xA0, 0x03, // etype
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x06, // salt
0x1B,
0x04,
'a',
'b',
'c',
'd',
( byte ) 0xA2,
0x06, // s2kparams
0x04,
0x04,
0x31,
0x32,
0x33,
0x34
} );
String decodedPdu = Strings.dumpBytes( stream.array() );
stream.flip();
ETypeInfo2EntryContainer container = new ETypeInfo2EntryContainer();
try
{
krbDecoder.decode( stream, container );
}
catch ( DecoderException de )
{
de.printStackTrace();
fail( de.getMessage() );
}
ETypeInfo2Entry etypeInfo2Entry = container.getETypeInfo2Entry();
assertEquals( EncryptionType.DES3_CBC_MD5, etypeInfo2Entry.getEType() );
assertEquals( "abcd", etypeInfo2Entry.getSalt() );
assertTrue( Arrays.equals( Strings.getBytesUtf8( "1234" ), etypeInfo2Entry.getS2kparams() ) );
ByteBuffer bb = ByteBuffer.allocate( etypeInfo2Entry.computeLength() );
try
{
bb = etypeInfo2Entry.encode( bb );
// Check the length
assertEquals( 0x17, bb.limit() );
String encodedPdu = Strings.dumpBytes( bb.array() );
assertEquals( encodedPdu, decodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of a ETYPE-INFO2-ENTRY with no salt nor s2kparams
*/
@Test
public void testDecodeETypeInfo2EntryNoSaltNoS2KParams()
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x07 );
stream.put( new byte[]
{
0x30, 0x05,
( byte ) 0xA0, 0x03, // etype
0x02,
0x01,
0x05
} );
String decodedPdu = Strings.dumpBytes( stream.array() );
stream.flip();
ETypeInfo2EntryContainer container = new ETypeInfo2EntryContainer();
try
{
krbDecoder.decode( stream, container );
}
catch ( DecoderException de )
{
de.printStackTrace();
fail( de.getMessage() );
}
ETypeInfo2Entry etypeInfo2Entry = container.getETypeInfo2Entry();
assertEquals( EncryptionType.DES3_CBC_MD5, etypeInfo2Entry.getEType() );
assertNull( etypeInfo2Entry.getSalt() );
assertNull( etypeInfo2Entry.getS2kparams() );
ByteBuffer bb = ByteBuffer.allocate( etypeInfo2Entry.computeLength() );
try
{
bb = etypeInfo2Entry.encode( bb );
// Check the length
assertEquals( 0x07, bb.limit() );
String encodedPdu = Strings.dumpBytes( bb.array() );
assertEquals( encodedPdu, decodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of a ETYPE-INFO2-ENTRY with an empty salt
*/
@Test(expected = DecoderException.class)
public void testDecodeETypeInfo2EntryEmptySalt() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x09 );
stream.put( new byte[]
{
0x30, 0x07,
( byte ) 0xA0, 0x03, // etype
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x00 // salt
} );
stream.flip();
ETypeInfo2EntryContainer container = new ETypeInfo2EntryContainer();
krbDecoder.decode( stream, container );
fail();
}
/**
* Test the decoding of a ETYPE-INFO2-ENTRY with an null salt
*/
@Test
public void testDecodeETypeInfo2EntryNullSalt()
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x0B );
stream.put( new byte[]
{
0x30, 0x09,
( byte ) 0xA0, 0x03, // etype
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x02, // salt
0x1B,
0x00
} );
stream.flip();
ETypeInfo2EntryContainer container = new ETypeInfo2EntryContainer();
try
{
krbDecoder.decode( stream, container );
}
catch ( DecoderException de )
{
de.printStackTrace();
fail( de.getMessage() );
}
ETypeInfo2Entry etypeInfo2Entry = container.getETypeInfo2Entry();
assertEquals( EncryptionType.DES3_CBC_MD5, etypeInfo2Entry.getEType() );
assertNull( etypeInfo2Entry.getSalt() );
assertNull( etypeInfo2Entry.getS2kparams() );
ByteBuffer bb = ByteBuffer.allocate( etypeInfo2Entry.computeLength() );
try
{
bb = etypeInfo2Entry.encode( bb );
// Check the length
assertEquals( 0x07, bb.limit() );
String encodedPdu = Strings.dumpBytes( bb.array() );
ByteBuffer stream2 = ByteBuffer.allocate( 0x07 );
stream2.put( new byte[]
{
0x30, 0x05,
( byte ) 0xA0, 0x03, // etype
0x02,
0x01,
0x05
} );
String decodedPdu2 = Strings.dumpBytes( stream2.array() );
assertEquals( encodedPdu, decodedPdu2 );
}
catch ( EncoderException ee )
{
fail();
}
}
/**
* Test the decoding of an empty ETYPE-INFO2-ENTRY
* @throws DecoderException
*/
@Test(expected = DecoderException.class)
public void testDecodeEmptyETypeInfo2Entry() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x02 );
stream.put( new byte[]
{
0x30, 0x00
} );
stream.flip();
ETypeInfo2EntryContainer container = new ETypeInfo2EntryContainer();
krbDecoder.decode( stream, container );
fail();
}
/**
* Test the decoding of an ETYPE-INFO2-ENTRY with no etype
* @throws DecoderException
*/
@Test(expected = DecoderException.class)
public void testDecodeEmptyETypeInfo2EntryNoEType() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x06 );
stream.put( new byte[]
{
0x30, 0x04,
( byte ) 0xA2, 0x04,
0x04, 0x00
} );
stream.flip();
ETypeInfo2EntryContainer container = new ETypeInfo2EntryContainer();
krbDecoder.decode( stream, container );
fail();
}
/**
* Test the decoding of an ETYPE-INFO2-ENTRY with an empty etype
* @throws DecoderException
*/
@Test(expected = DecoderException.class)
public void testDecodeEmptyETypeInfo2EntryEmptyEType() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x06 );
stream.put( new byte[]
{
0x30, 0x04,
( byte ) 0xA0, 0x00
} );
stream.flip();
ETypeInfo2EntryContainer container = new ETypeInfo2EntryContainer();
krbDecoder.decode( stream, container );
fail();
}
/**
* Test the decoding of an ETYPE-INFO2-ENTRY with a empty etype tag
* @throws DecoderException
*/
@Test(expected = DecoderException.class)
public void testDecodeEmptyETypeInfo2EntryEmptyETypeTag() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x06 );
stream.put( new byte[]
{
0x30, 0x04,
( byte ) 0xA0, 0x02,
0x02, 0x00
} );
stream.flip();
ETypeInfo2EntryContainer container = new ETypeInfo2EntryContainer();
krbDecoder.decode( stream, container );
fail();
}
/**
* Test the decoding of an ETYPE-INFO2-ENTRY with a bad etype
* @throws DecoderException
*/
@Test
public void testDecodeEmptyETypeInfo2EntryBadEType() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x07 );
stream.put( new byte[]
{
0x30, 0x05,
( byte ) 0xA0, 0x03,
0x02, 0x01, 0x40
} );
stream.flip();
ETypeInfo2EntryContainer container = new ETypeInfo2EntryContainer();
try
{
krbDecoder.decode( stream, container );
}
catch ( DecoderException de )
{
de.printStackTrace();
fail( de.getMessage() );
}
ETypeInfo2Entry etypeInfo2Entry = container.getETypeInfo2Entry();
assertEquals( EncryptionType.UNKNOWN, etypeInfo2Entry.getEType() );
assertNull( etypeInfo2Entry.getSalt() );
assertNull( etypeInfo2Entry.getS2kparams() );
ByteBuffer bb = ByteBuffer.allocate( etypeInfo2Entry.computeLength() );
try
{
bb = etypeInfo2Entry.encode( bb );
// Check the length
assertEquals( 0x07, bb.limit() );
String encodedPdu = Strings.dumpBytes( bb.array() );
ByteBuffer stream2 = ByteBuffer.allocate( 0x07 );
stream2.put( new byte[]
{
0x30, 0x05,
( byte ) 0xA0, 0x03, // etype
0x02,
0x01,
( byte ) 0xFF
} );
String decodedPdu2 = Strings.dumpBytes( stream2.array() );
assertEquals( decodedPdu2, encodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
}