Package org.apache.directory.api.asn1

Examples of org.apache.directory.api.asn1.Decoder

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     * Test the decoding of a PrincipalName with no name-type
     */
    @Test(expected = DecoderException.class)
    public void testPrincipalNameNoNameType() throws DecoderException
    {
        Asn1Decoder kerberosDecoder = new Asn1Decoder();

        ByteBuffer stream = ByteBuffer.allocate( 0x24 );

        stream.put( new byte[]
            { 0x30, 0x22,
                ( byte ) 0xA1, 0x20, // name-string
                0x30,
                0x1E,
                0x1B,
                0x08,
                'h',
                'n',
                'e',
                'l',
                's',
                'o',
                'n',
                '1',
                0x1B,
                0x08,
                'h',
                'n',
                'e',
                '\r',
                's',
                'o',
                'n',
                '2',
                0x1B,
                0x08,
                'h',
                'n',
                'e',
                'l',
                's',
                'o',
                'n',
                '3',
        } );

        stream.flip();

        // Allocate a PrincipalName Container
        Asn1Container principalNameContainer = new PrincipalNameContainer();

        // Decode the PrincipalName PDU
        kerberosDecoder.decode( stream, principalNameContainer );
    }
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            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
        }

        // Now, let's decode the KDC-REQ
        Asn1Decoder kdcReqDecoder = new Asn1Decoder();

        KdcReqContainer kdcReqContainer = new KdcReqContainer( tgsReqContainer.getStream() );

        // Store the created TGS-REQ object into the KDC-REQ container
        TgsReq tgsReq = new TgsReq();
        kdcReqContainer.setKdcReq( tgsReq );

        // Decode the KDC_REQ PDU
        try
        {
            kdcReqDecoder.decode( tgsReqContainer.getStream(), kdcReqContainer );
        }
        catch ( DecoderException de )
        {
            throw de;
        }
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            throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
        }

        Checksum checksum = checksumContainer.getChecksum();
        // The Checksum's type is an integer
        BerValue value = tlv.getValue();

        try
        {
            int cksumType = IntegerDecoder.parse( value );

            checksum.setChecksumType( ChecksumType.getTypeByValue( cksumType ) );

            if ( IS_DEBUG )
            {
                LOG.debug( "cksumType : " + cksumType );
            }
        }
        catch ( IntegerDecoderException ide )
        {
            LOG.error( I18n.err( I18n.ERR_04070, Strings.dumpBytes( value.getData() ), ide
                .getLocalizedMessage() ) );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( ide.getMessage() );
        }
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    /**
     * {@inheritDoc}
     */
    public void action( KrbCredContainer krbCredContainer ) throws DecoderException
    {
        TLV tlv = krbCredContainer.getCurrentTLV();

        // The Length should not be null
        if ( tlv.getLength() == 0 )
        {
            LOG.error( I18n.err( I18n.ERR_04066 ) );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
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    /**
     * {@inheritDoc}
     */
    public void action( KrbCredContainer krbCredContainer ) throws DecoderException
    {
        TLV tlv = krbCredContainer.getCurrentTLV();

        // The Length should not be null
        if ( tlv.getLength() == 0 )
        {
            LOG.error( I18n.err( I18n.ERR_04066 ) );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
        }

        // decoder for Ticket
        Asn1Decoder decoder = new Asn1Decoder();

        // Ticket container
        TicketContainer ticketContainer = new TicketContainer( krbCredContainer.getStream() );

        krbCredContainer.rewind();

        try
        {
            // decode Ticket
            decoder.decode( krbCredContainer.getStream(), ticketContainer );
        }
        catch ( DecoderException e )
        {
            throw e;
        }

        Ticket ticket = ticketContainer.getTicket();
        // add Ticket to the list of tickets
        krbCredContainer.getKrbCred().addTicket( ticket );

        // Update the expected length for the current TLV
        tlv.setExpectedLength( tlv.getExpectedLength() - tlv.getLength() );

        // Update the parent
        krbCredContainer.updateParent();

        if ( IS_DEBUG )
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    /**
     * {@inheritDoc}
     */
    public void action( KdcReqBodyContainer kdcReqBodyContainer ) throws DecoderException
    {
        TLV tlv = kdcReqBodyContainer.getCurrentTLV();

        // The Length can be null, in this case, we can potentially exit from this grammar
        if ( tlv.getLength() == 0 )
        {
            kdcReqBodyContainer.setGrammarEndAllowed( true );
        }
    }
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    /**
     * {@inheritDoc}
     */
    public void action( TicketContainer ticketContainer ) throws DecoderException
    {
        TLV tlv = ticketContainer.getCurrentTLV();

        // The Length should not be null
        if ( tlv.getLength() == 0 )
        {
            LOG.error( I18n.err( I18n.ERR_744_NULL_PDU_LENGTH ) );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( I18n.err( I18n.ERR_744_NULL_PDU_LENGTH ) );
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    /**
     * {@inheritDoc}
     */
    public void action( ChecksumContainer checksumContainer ) throws DecoderException
    {
        TLV tlv = checksumContainer.getCurrentTLV();

        // The Length should not be null
        if ( tlv.getLength() == 0 )
        {
            LOG.error( I18n.err( I18n.ERR_04066 ) );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
        }

        Checksum checksum = checksumContainer.getChecksum();
        // The Checksum's type is an integer
        BerValue value = tlv.getValue();

        try
        {
            int cksumType = IntegerDecoder.parse( value );

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    /**
     * {@inheritDoc}
     */
    public void action( ChecksumContainer checksumContainer ) throws DecoderException
    {
        TLV tlv = checksumContainer.getCurrentTLV();

        // The Length should not be null
        if ( tlv.getLength() == 0 )
        {
            LOG.error( I18n.err( I18n.ERR_04066 ) );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
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    /**
     * {@inheritDoc}
     */
    public void action( TgsReqContainer tgsReqContainer ) throws DecoderException
    {
        TLV tlv = tgsReqContainer.getCurrentTLV();

        // The Length should not be null
        if ( tlv.getLength() == 0 )
        {
            LOG.error( I18n.err( I18n.ERR_04066 ) );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
        }

        // Now, let's decode the KDC-REQ
        Asn1Decoder kdcReqDecoder = new Asn1Decoder();

        KdcReqContainer kdcReqContainer = new KdcReqContainer( tgsReqContainer.getStream() );

        // Store the created TGS-REQ object into the KDC-REQ container
        TgsReq tgsReq = new TgsReq();
        kdcReqContainer.setKdcReq( tgsReq );

        // Decode the KDC_REQ PDU
        try
        {
            kdcReqDecoder.decode( tgsReqContainer.getStream(), kdcReqContainer );
        }
        catch ( DecoderException de )
        {
            throw de;
        }

        // Update the expected length for the current TLV
        tlv.setExpectedLength( tlv.getExpectedLength() - tlv.getLength() );

        // Update the parent
        tgsReqContainer.updateParent();

        if ( tgsReq.getMessageType() != KerberosMessageType.TGS_REQ )
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Related Classes of org.apache.directory.api.asn1.Decoder

  • com.datastax.driver.core.exceptions.DriverInternalError
  • io.netty.buffer.ByteBuf
  • org.apache.directory.api.asn1.actions.AbstractReadBitString
  • org.apache.directory.api.asn1.actions.AbstractReadInteger
  • org.apache.directory.api.asn1.actions.AbstractReadOctetString
  • org.apache.directory.api.asn1.ber.Asn1Decoder
  • org.apache.directory.api.asn1.ber.tlv.BerValue
  • org.apache.directory.api.asn1.ber.tlv.TLV
  • org.apache.directory.api.asn1.ber.tlv.ValueTest
  • org.apache.directory.api.asn1.util.BitString
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