| /*
* 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.KerberosMessageType;
import org.apache.directory.shared.kerberos.codec.krbError.KrbErrorContainer;
import org.apache.directory.shared.kerberos.exceptions.ErrorType;
import org.apache.directory.shared.kerberos.messages.KrbError;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
/**
* Test cases for KrbError codec
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class KrbErrorDecoderTest
{
@Test
public void testDecodeKrbError()
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x8F;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x7E, ( byte ) 0x81, ( byte ) 0x8C,
0x30, ( byte ) 0x81, ( byte ) 0x89,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x1E,
( byte ) 0xA2,
0x11, // ctime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA3,
0x03, // cusec
0x02,
0x01,
0x01,
( byte ) 0xA4,
0x11, // stime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA5,
0x03, // susec
0x02,
0x01,
0x02,
( byte ) 0xA6,
0x03, // error-code
0x02,
0x01,
0x00,
( byte ) 0xA7,
0x08, // crealm
0x1B,
0x06,
'c',
'r',
'e',
'a',
'l',
'm',
( byte ) 0xA8,
0x12, // cname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
'c',
'n',
'a',
'm',
'e',
( byte ) 0xA9,
0x07, // realm
0x1B,
0x05,
'r',
'e',
'a',
'l',
'm',
( byte ) 0xAA,
0x12, // sname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
's',
'n',
'a',
'm',
'e',
( byte ) 0xAB,
0x07, // e-text
0x1B,
0x5,
'e',
't',
'e',
'x',
't',
( byte ) 0xAC,
0x04, // e-data
0x04,
0x02,
0x00,
0x01
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbErrorContainer container = new KrbErrorContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbError krbError = container.getKrbError();
String time = "20101119080043Z";
assertEquals( 5, krbError.getProtocolVersionNumber() );
assertEquals( KerberosMessageType.KRB_ERROR, krbError.getMessageType() );
assertEquals( time, krbError.getCTime().getDate() );
assertEquals( 1, krbError.getCusec() );
assertEquals( time, krbError.getSTime().getDate() );
assertEquals( 2, krbError.getSusec() );
assertEquals( ErrorType.KDC_ERR_NONE, krbError.getErrorCode() );
assertEquals( "crealm", krbError.getCRealm() );
assertEquals( "cname", krbError.getCName().getNameString() );
assertEquals( "realm", krbError.getRealm() );
assertEquals( "sname", krbError.getSName().getNameString() );
assertEquals( "etext", krbError.getEText() );
assertTrue( Arrays.equals( new byte[]
{ 0, 1 }, krbError.getEData() ) );
int encodedLen = krbError.computeLength();
assertEquals( streamLen, encodedLen );
ByteBuffer buffer = ByteBuffer.allocate( streamLen );
try
{
buffer = krbError.encode( buffer );
assertEquals( decoded, Strings.dumpBytes( buffer.array() ) );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbErrorWithoutCtime()
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x7A;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x7E, ( byte ) 0x78,
0x30, ( byte ) 0x76,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x1E,
//
// NO ctime
//
( byte ) 0xA3,
0x03, // cusec
0x02,
0x01,
0x01,
( byte ) 0xA4,
0x11, // stime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA5,
0x03, // susec
0x02,
0x01,
0x02,
( byte ) 0xA6,
0x03, // error-code
0x02,
0x01,
0x00,
( byte ) 0xA7,
0x08, // crealm
0x1B,
0x06,
'c',
'r',
'e',
'a',
'l',
'm',
( byte ) 0xA8,
0x12, // cname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
'c',
'n',
'a',
'm',
'e',
( byte ) 0xA9,
0x07, // realm
0x1B,
0x05,
'r',
'e',
'a',
'l',
'm',
( byte ) 0xAA,
0x12, // sname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
's',
'n',
'a',
'm',
'e',
( byte ) 0xAB,
0x07, // e-text
0x1B,
0x5,
'e',
't',
'e',
'x',
't',
( byte ) 0xAC,
0x04, // e-data
0x04,
0x02,
0x00,
0x01
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbErrorContainer container = new KrbErrorContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbError krbError = container.getKrbError();
assertNull( krbError.getCTime() );
int encodedLen = krbError.computeLength();
assertEquals( streamLen, encodedLen );
ByteBuffer buffer = ByteBuffer.allocate( streamLen );
try
{
buffer = krbError.encode( buffer );
assertEquals( decoded, Strings.dumpBytes( buffer.array() ) );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbErrorWithoutCusec()
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x8A;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x7E, ( byte ) 0x81, ( byte ) 0x87,
0x30, ( byte ) 0x81, ( byte ) 0x84,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x1E,
( byte ) 0xA2,
0x11, // ctime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
// NO cuses
( byte ) 0xA4,
0x11, // stime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA5,
0x03, // susec
0x02,
0x01,
0x02,
( byte ) 0xA6,
0x03, // error-code
0x02,
0x01,
0x00,
( byte ) 0xA7,
0x08, // crealm
0x1B,
0x06,
'c',
'r',
'e',
'a',
'l',
'm',
( byte ) 0xA8,
0x12, // cname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
'c',
'n',
'a',
'm',
'e',
( byte ) 0xA9,
0x07, // realm
0x1B,
0x05,
'r',
'e',
'a',
'l',
'm',
( byte ) 0xAA,
0x12, // sname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
's',
'n',
'a',
'm',
'e',
( byte ) 0xAB,
0x07, // e-text
0x1B,
0x5,
'e',
't',
'e',
'x',
't',
( byte ) 0xAC,
0x04, // e-data
0x04,
0x02,
0x00,
0x01
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbErrorContainer container = new KrbErrorContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbError krbError = container.getKrbError();
assertEquals( 0, krbError.getCusec() );
int encodedLen = krbError.computeLength();
assertEquals( streamLen, encodedLen );
ByteBuffer buffer = ByteBuffer.allocate( streamLen );
try
{
buffer = krbError.encode( buffer );
assertEquals( decoded, Strings.dumpBytes( buffer.array() ) );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbErrorWithoutCtimeAndCusec()
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x75;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x7E, ( byte ) 0x73,
0x30, ( byte ) 0x71,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x1E,
//
// NO ctime, cusec
//
( byte ) 0xA4,
0x11, // stime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA5,
0x03, // susec
0x02,
0x01,
0x02,
( byte ) 0xA6,
0x03, // error-code
0x02,
0x01,
0x00,
( byte ) 0xA7,
0x08, // crealm
0x1B,
0x06,
'c',
'r',
'e',
'a',
'l',
'm',
( byte ) 0xA8,
0x12, // cname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
'c',
'n',
'a',
'm',
'e',
( byte ) 0xA9,
0x07, // realm
0x1B,
0x05,
'r',
'e',
'a',
'l',
'm',
( byte ) 0xAA,
0x12, // sname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
's',
'n',
'a',
'm',
'e',
( byte ) 0xAB,
0x07, // e-text
0x1B,
0x5,
'e',
't',
'e',
'x',
't',
( byte ) 0xAC,
0x04, // e-data
0x04,
0x02,
0x00,
0x01
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbErrorContainer container = new KrbErrorContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbError krbError = container.getKrbError();
assertNull( krbError.getCTime() );
assertEquals( 0, krbError.getCusec() );
int encodedLen = krbError.computeLength();
assertEquals( streamLen, encodedLen );
ByteBuffer buffer = ByteBuffer.allocate( streamLen );
try
{
buffer = krbError.encode( buffer );
assertEquals( decoded, Strings.dumpBytes( buffer.array() ) );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbErrorWithoutCrealm()
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x84;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x7E, ( byte ) 0x81, ( byte ) 0x81,
0x30, ( byte ) 0x7F,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x1E,
( byte ) 0xA2,
0x11, // ctime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA3,
0x03, // cusec
0x02,
0x01,
0x01,
( byte ) 0xA4,
0x11, // stime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA5,
0x03, // susec
0x02,
0x01,
0x02,
( byte ) 0xA6,
0x03, // error-code
0x02,
0x01,
0x00,
// NO crealm
( byte ) 0xA8,
0x12, // cname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
'c',
'n',
'a',
'm',
'e',
( byte ) 0xA9,
0x07, // realm
0x1B,
0x05,
'r',
'e',
'a',
'l',
'm',
( byte ) 0xAA,
0x12, // sname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
's',
'n',
'a',
'm',
'e',
( byte ) 0xAB,
0x07, // e-text
0x1B,
0x5,
'e',
't',
'e',
'x',
't',
( byte ) 0xAC,
0x04, // e-data
0x04,
0x02,
0x00,
0x01
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbErrorContainer container = new KrbErrorContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbError krbError = container.getKrbError();
assertNull( krbError.getCRealm() );
int encodedLen = krbError.computeLength();
assertEquals( streamLen, encodedLen );
ByteBuffer buffer = ByteBuffer.allocate( streamLen );
try
{
buffer = krbError.encode( buffer );
assertEquals( decoded, Strings.dumpBytes( buffer.array() ) );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbErrorWithoutCname()
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x79;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x7E, ( byte ) 0x77,
0x30, ( byte ) 0x75,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x1E,
( byte ) 0xA2,
0x11, // ctime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA3,
0x03, // cusec
0x02,
0x01,
0x01,
( byte ) 0xA4,
0x11, // stime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA5,
0x03, // susec
0x02,
0x01,
0x02,
( byte ) 0xA6,
0x03, // error-code
0x02,
0x01,
0x00,
( byte ) 0xA7,
0x08, // crealm
0x1B,
0x06,
'c',
'r',
'e',
'a',
'l',
'm',
// NO cname
( byte ) 0xA9,
0x07, // realm
0x1B,
0x05,
'r',
'e',
'a',
'l',
'm',
( byte ) 0xAA,
0x12, // sname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
's',
'n',
'a',
'm',
'e',
( byte ) 0xAB,
0x07, // e-text
0x1B,
0x5,
'e',
't',
'e',
'x',
't',
( byte ) 0xAC,
0x04, // e-data
0x04,
0x02,
0x00,
0x01
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbErrorContainer container = new KrbErrorContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbError krbError = container.getKrbError();
assertNull( krbError.getCName() );
int encodedLen = krbError.computeLength();
assertEquals( streamLen, encodedLen );
ByteBuffer buffer = ByteBuffer.allocate( streamLen );
try
{
buffer = krbError.encode( buffer );
assertEquals( decoded, Strings.dumpBytes( buffer.array() ) );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbErrorWithoutCrealmAndCname()
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x6F;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x7E, ( byte ) 0x6D,
0x30, ( byte ) 0x6B,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x1E,
( byte ) 0xA2,
0x11, // ctime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA3,
0x03, // cusec
0x02,
0x01,
0x01,
( byte ) 0xA4,
0x11, // stime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA5,
0x03, // susec
0x02,
0x01,
0x02,
( byte ) 0xA6,
0x03, // error-code
0x02,
0x01,
0x00,
// NO crealm and cname
( byte ) 0xA9,
0x07, // realm
0x1B,
0x05,
'r',
'e',
'a',
'l',
'm',
( byte ) 0xAA,
0x12, // sname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
's',
'n',
'a',
'm',
'e',
( byte ) 0xAB,
0x07, // e-text
0x1B,
0x5,
'e',
't',
'e',
'x',
't',
( byte ) 0xAC,
0x04, // e-data
0x04,
0x02,
0x00,
0x01
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbErrorContainer container = new KrbErrorContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbError krbError = container.getKrbError();
assertNull( krbError.getCRealm() );
assertNull( krbError.getCName() );
int encodedLen = krbError.computeLength();
assertEquals( streamLen, encodedLen );
ByteBuffer buffer = ByteBuffer.allocate( streamLen );
try
{
buffer = krbError.encode( buffer );
assertEquals( decoded, Strings.dumpBytes( buffer.array() ) );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbErrorWithoutEtext()
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x86;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x7E, ( byte ) 0x81, ( byte ) 0x83,
0x30, ( byte ) 0x81, ( byte ) 0x80,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x1E,
( byte ) 0xA2,
0x11, // ctime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA3,
0x03, // cusec
0x02,
0x01,
0x01,
( byte ) 0xA4,
0x11, // stime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA5,
0x03, // susec
0x02,
0x01,
0x02,
( byte ) 0xA6,
0x03, // error-code
0x02,
0x01,
0x00,
( byte ) 0xA7,
0x08, // crealm
0x1B,
0x06,
'c',
'r',
'e',
'a',
'l',
'm',
( byte ) 0xA8,
0x12, // cname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
'c',
'n',
'a',
'm',
'e',
( byte ) 0xA9,
0x07, // realm
0x1B,
0x05,
'r',
'e',
'a',
'l',
'm',
( byte ) 0xAA,
0x12, // sname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
's',
'n',
'a',
'm',
'e',
// NO etext
( byte ) 0xAC,
0x04, // e-data
0x04,
0x02,
0x00,
0x01
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbErrorContainer container = new KrbErrorContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbError krbError = container.getKrbError();
assertNull( krbError.getEText() );
int encodedLen = krbError.computeLength();
assertEquals( streamLen, encodedLen );
ByteBuffer buffer = ByteBuffer.allocate( streamLen );
try
{
buffer = krbError.encode( buffer );
assertEquals( decoded, Strings.dumpBytes( buffer.array() ) );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbErrorWithoutEdata()
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x89;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x7E, ( byte ) 0x81, ( byte ) 0x86,
0x30, ( byte ) 0x81, ( byte ) 0x83,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x1E,
( byte ) 0xA2,
0x11, // ctime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA3,
0x03, // cusec
0x02,
0x01,
0x01,
( byte ) 0xA4,
0x11, // stime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA5,
0x03, // susec
0x02,
0x01,
0x02,
( byte ) 0xA6,
0x03, // error-code
0x02,
0x01,
0x00,
( byte ) 0xA7,
0x08, // crealm
0x1B,
0x06,
'c',
'r',
'e',
'a',
'l',
'm',
( byte ) 0xA8,
0x12, // cname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
'c',
'n',
'a',
'm',
'e',
( byte ) 0xA9,
0x07, // realm
0x1B,
0x05,
'r',
'e',
'a',
'l',
'm',
( byte ) 0xAA,
0x12, // sname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
's',
'n',
'a',
'm',
'e',
( byte ) 0xAB,
0x07, // e-text
0x1B,
0x5,
'e',
't',
'e',
'x',
't'
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbErrorContainer container = new KrbErrorContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbError krbError = container.getKrbError();
assertNull( krbError.getEData() );
int encodedLen = krbError.computeLength();
assertEquals( streamLen, encodedLen );
ByteBuffer buffer = ByteBuffer.allocate( streamLen );
try
{
buffer = krbError.encode( buffer );
assertEquals( decoded, Strings.dumpBytes( buffer.array() ) );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbErrorWithoutEtextAndEdata()
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x7E;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x7E, ( byte ) 0x7C,
0x30, ( byte ) 0x7A,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x1E,
( byte ) 0xA2,
0x11, // ctime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA3,
0x03, // cusec
0x02,
0x01,
0x01,
( byte ) 0xA4,
0x11, // stime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA5,
0x03, // susec
0x02,
0x01,
0x02,
( byte ) 0xA6,
0x03, // error-code
0x02,
0x01,
0x00,
( byte ) 0xA7,
0x08, // crealm
0x1B,
0x06,
'c',
'r',
'e',
'a',
'l',
'm',
( byte ) 0xA8,
0x12, // cname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
'c',
'n',
'a',
'm',
'e',
( byte ) 0xA9,
0x07, // realm
0x1B,
0x05,
'r',
'e',
'a',
'l',
'm',
( byte ) 0xAA,
0x12, // sname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
's',
'n',
'a',
'm',
'e',
// NO etext and edata
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbErrorContainer container = new KrbErrorContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbError krbError = container.getKrbError();
assertNull( krbError.getEText() );
assertNull( krbError.getEData() );
int encodedLen = krbError.computeLength();
assertEquals( streamLen, encodedLen );
ByteBuffer buffer = ByteBuffer.allocate( streamLen );
try
{
buffer = krbError.encode( buffer );
assertEquals( decoded, Strings.dumpBytes( buffer.array() ) );
}
catch ( EncoderException e )
{
fail();
}
}
@Test
public void testDecodeKrbErrorWithoutOptionalFields()
{
Asn1Decoder decoder = new Asn1Decoder();
int streamLen = 0x48;
ByteBuffer stream = ByteBuffer.allocate( streamLen );
stream.put( new byte[]
{
0x7E, ( byte ) 0x46,
0x30, ( byte ) 0x44,
( byte ) 0xA0, 0x03, // pvno
0x02,
0x01,
0x05,
( byte ) 0xA1,
0x03, // msg-type
0x02,
0x01,
0x1E,
( byte ) 0xA4,
0x11, // stime
0x18,
0xF,
'2',
'0',
'1',
'0',
'1',
'1',
'1',
'9',
'0',
'8',
'0',
'0',
'4',
'3',
'Z',
( byte ) 0xA5,
0x03, // susec
0x02,
0x01,
0x02,
( byte ) 0xA6,
0x03, // error-code
0x02,
0x01,
0x00,
( byte ) 0xA9,
0x07, // realm
0x1B,
0x05,
'r',
'e',
'a',
'l',
'm',
( byte ) 0xAA,
0x12, // sname
0x30,
0x10,
( byte ) 0xA0,
0x03,
0x02,
0x01,
0x00,
( byte ) 0xA1,
0x09,
0x30,
0x07,
0x1B,
0x05,
's',
'n',
'a',
'm',
'e',
} );
String decoded = Strings.dumpBytes( stream.array() );
stream.flip();
KrbErrorContainer container = new KrbErrorContainer( stream );
try
{
decoder.decode( stream, container );
}
catch ( DecoderException e )
{
fail();
}
KrbError krbError = container.getKrbError();
assertNull( krbError.getCTime() );
assertEquals( 0, krbError.getCusec() );
assertNull( krbError.getCRealm() );
assertNull( krbError.getCName() );
assertNull( krbError.getEText() );
assertNull( krbError.getEData() );
int encodedLen = krbError.computeLength();
assertEquals( streamLen, encodedLen );
ByteBuffer buffer = ByteBuffer.allocate( streamLen );
try
{
buffer = krbError.encode( buffer );
assertEquals( decoded, Strings.dumpBytes( buffer.array() ) );
}
catch ( EncoderException e )
{
fail();
}
}
}
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