/*
* 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 static org.junit.Assert.*;
import java.net.InetAddress;
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.krbSafeBody.KrbSafeBodyContainer;
import org.apache.directory.shared.kerberos.components.HostAddress;
import org.apache.directory.shared.kerberos.components.KrbSafeBody;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
/**
* Test cases for KrbSafeBody codec.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class KrbSafeBodyDecoderTest
{
@Test
public void testDecodeKrbSafeBody() throws Exception
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x47;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x30, 0x45,
( byte ) 0xA0, 0x4, // user-data
0x04,
0x02,
0x00,
0x01,
( byte ) 0xA1,
0x11, // timestamp
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA2,
0x03, // usec
0x02,
0x01,
0x01,
( byte ) 0xA3,
0x03, // seq-number
0x02,
0x01,
0x01,
( byte ) 0xA4,
0xF, // s-address
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1,
( byte ) 0xA5,
0xF, // r-adress
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbSafeBodyContainer container = new KrbSafeBodyContainer();
container.setStream( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbSafeBody body = container.getKrbSafeBody();
String time = "20101119080043Z";
HostAddress ad = new HostAddress( InetAddress.getByName( "127.0.0.1" ) );
assertTrue( Arrays.equals( new byte[]
{ 0, 1 }, body.getUserData() ) );
assertEquals( time, body.getTimestamp().getDate() );
assertEquals( 1, body.getUsec() );
assertEquals( 1, body.getSeqNumber() );
assertEquals( ad, body.getSenderAddress() );
assertEquals( ad, body.getRecipientAddress() );
int computedLen = body.computeLength();
assertEquals( streamLen, computedLen );
try
{
ByteBuffer bb = ByteBuffer.allocate( computedLen );
body.encode( bb );
String encoded = Strings.dumpBytes( bb.array() );
assertEquals( decoded, encoded );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbSafeBodyWithoutTimestamp() throws Exception
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x34;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x30, 0x32,
( byte ) 0xA0, 0x4, // user-data
0x04,
0x02,
0x00,
0x01,
// NO timestamp
( byte ) 0xA2,
0x03, // usec
0x02,
0x01,
0x01,
( byte ) 0xA3,
0x03, // seq-number
0x02,
0x01,
0x01,
( byte ) 0xA4,
0xF, // s-address
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1,
( byte ) 0xA5,
0xF, // r-adress
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbSafeBodyContainer container = new KrbSafeBodyContainer();
container.setStream( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbSafeBody body = container.getKrbSafeBody();
HostAddress ad = new HostAddress( InetAddress.getByName( "127.0.0.1" ) );
assertTrue( Arrays.equals( new byte[]
{ 0, 1 }, body.getUserData() ) );
assertNull( body.getTimestamp() );
assertEquals( 1, body.getUsec() );
assertEquals( 1, body.getSeqNumber() );
assertEquals( ad, body.getSenderAddress() );
assertEquals( ad, body.getRecipientAddress() );
int computedLen = body.computeLength();
assertEquals( streamLen, computedLen );
try
{
ByteBuffer bb = ByteBuffer.allocate( computedLen );
body.encode( bb );
String encoded = Strings.dumpBytes( bb.array() );
assertEquals( decoded, encoded );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbSafeBodyWithoutTimestampAndUsec() throws Exception
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x2F;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x30, 0x2D,
( byte ) 0xA0, 0x4, // user-data
0x04,
0x02,
0x00,
0x01,
// NO timestamp and usec
( byte ) 0xA3,
0x03, // seq-number
0x02,
0x01,
0x01,
( byte ) 0xA4,
0xF, // s-address
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1,
( byte ) 0xA5,
0xF, // r-adress
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbSafeBodyContainer container = new KrbSafeBodyContainer();
container.setStream( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbSafeBody body = container.getKrbSafeBody();
HostAddress ad = new HostAddress( InetAddress.getByName( "127.0.0.1" ) );
assertTrue( Arrays.equals( new byte[]
{ 0, 1 }, body.getUserData() ) );
assertNull( body.getTimestamp() );
assertEquals( 0, body.getUsec() );
assertEquals( 1, body.getSeqNumber() );
assertEquals( ad, body.getSenderAddress() );
assertEquals( ad, body.getRecipientAddress() );
int computedLen = body.computeLength();
assertEquals( streamLen, computedLen );
try
{
ByteBuffer bb = ByteBuffer.allocate( computedLen );
body.encode( bb );
String encoded = Strings.dumpBytes( bb.array() );
assertEquals( decoded, encoded );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbSafeBodyWithoutTimestampUsecAndSeqNumber() throws Exception
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x2A;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x30, 0x28,
( byte ) 0xA0, 0x4, // user-data
0x04,
0x02,
0x00,
0x01,
// NO timestamp, usec and seq-number
( byte ) 0xA4,
0xF, // s-address
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1,
( byte ) 0xA5,
0xF, // r-adress
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbSafeBodyContainer container = new KrbSafeBodyContainer();
container.setStream( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
e.printStackTrace();
fail();
}
KrbSafeBody body = container.getKrbSafeBody();
HostAddress ad = new HostAddress( InetAddress.getByName( "127.0.0.1" ) );
assertTrue( Arrays.equals( new byte[]
{ 0, 1 }, body.getUserData() ) );
assertNull( body.getTimestamp() );
assertEquals( 0, body.getUsec() );
assertEquals( 0, body.getSeqNumber() );
assertEquals( ad, body.getSenderAddress() );
assertEquals( ad, body.getRecipientAddress() );
int computedLen = body.computeLength();
assertEquals( streamLen, computedLen );
try
{
ByteBuffer bb = ByteBuffer.allocate( computedLen );
body.encode( bb );
String encoded = Strings.dumpBytes( bb.array() );
assertEquals( decoded, encoded );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbSafeBodyWithoutSequenceNumber() throws Exception
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x42;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x30, 0x40,
( byte ) 0xA0, 0x4, // user-data
0x04,
0x02,
0x00,
0x01,
( byte ) 0xA1,
0x11, // timestamp
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA2,
0x03, // usec
0x02,
0x01,
0x01,
// NO seq-number
( byte ) 0xA4,
0xF, // s-address
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1,
( byte ) 0xA5,
0xF, // r-adress
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbSafeBodyContainer container = new KrbSafeBodyContainer();
container.setStream( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbSafeBody body = container.getKrbSafeBody();
String time = "20101119080043Z";
HostAddress ad = new HostAddress( InetAddress.getByName( "127.0.0.1" ) );
assertTrue( Arrays.equals( new byte[]
{ 0, 1 }, body.getUserData() ) );
assertEquals( time, body.getTimestamp().getDate() );
assertEquals( 1, body.getUsec() );
assertEquals( 0, body.getSeqNumber() );
assertEquals( ad, body.getSenderAddress() );
assertEquals( ad, body.getRecipientAddress() );
int computedLen = body.computeLength();
assertEquals( streamLen, computedLen );
try
{
ByteBuffer bb = ByteBuffer.allocate( computedLen );
body.encode( bb );
String encoded = Strings.dumpBytes( bb.array() );
assertEquals( decoded, encoded );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbSafeBodyWithoutOptionalValues() throws Exception
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x19;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x30, 0x17,
( byte ) 0xA0, 0x4, // user-data
0x04,
0x02,
0x00,
0x01,
// NO timestamp, usec and seq-number
( byte ) 0xA4,
0xF, // s-address
0x30,
0x0D,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x02,
( byte ) 0xA1,
0x06,
0x04,
0x04,
127,
0,
0,
1,
// NO r-address
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbSafeBodyContainer container = new KrbSafeBodyContainer();
container.setStream( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
e.printStackTrace();
fail();
}
KrbSafeBody body = container.getKrbSafeBody();
HostAddress ad = new HostAddress( InetAddress.getByName( "127.0.0.1" ) );
assertTrue( Arrays.equals( new byte[]
{ 0, 1 }, body.getUserData() ) );
assertNull( body.getTimestamp() );
assertEquals( 0, body.getUsec() );
assertEquals( 0, body.getSeqNumber() );
assertEquals( ad, body.getSenderAddress() );
assertNull( body.getRecipientAddress() );
int computedLen = body.computeLength();
assertEquals( streamLen, computedLen );
try
{
ByteBuffer bb = ByteBuffer.allocate( computedLen );
body.encode( bb );
String encoded = Strings.dumpBytes( bb.array() );
assertEquals( decoded, encoded );
}
catch ( EncoderException e )
{
fail();
}
}
}