Examples of TLV


Examples of org.apache.directory.shared.asn1.ber.tlv.TLV

     * @param container The container
     */
    private void dumpTLVTree( Asn1Container container )
    {
        StringBuffer sb = new StringBuffer();
        TLV current = container.getCurrentTLV();

        sb.append( "TLV" ).append( Asn1StringUtils.dumpByte( current.getTag() ) ).append( "(" ).append(
            current.getExpectedLength() ).append( ")" );

        current = current.getParent();

        while ( current != null )
        {
            sb.append( "-TLV" ).append( Asn1StringUtils.dumpByte( current.getTag() ) ).append( "(" ).append(
                current.getExpectedLength() ).append( ")" );
            current = current.getParent();
        }

        if ( IS_DEBUG )
        {
            LOG.debug( "TLV Tree : {}", sb.toString() );
View Full Code Here

Examples of org.apache.directory.shared.asn1.ber.tlv.TLV

            container.getLdapCodecService(), internalAbandonRequest );
        container.setMessage( abandonRequest );

        // The current TLV should be a integer
        // We get it and store it in MessageId
        TLV tlv = container.getCurrentTLV();

        Value value = tlv.getValue();

        if ( ( value == null ) || ( value.getData() == null ) )
        {
            String msg = I18n.err( I18n.ERR_04075 );
            LOG.error( msg );
View Full Code Here

Examples of org.apache.directory.shared.asn1.ber.tlv.TLV

     * @param container The container
     * @return <code>true</code> if the TLV has been decoded
     */
    private boolean isTLVDecoded( Asn1Container container )
    {
        TLV current = container.getCurrentTLV();
        TLV parent = current.getParent();

        while ( parent != null )
        {
            if ( parent.getExpectedLength() != 0 )
            {
                return false;
            }

            parent = parent.getParent();
        }

        Value value = current.getValue();

        if ( ( value != null ) && ( value.getData() != null ) )
View Full Code Here

Examples of org.apache.directory.shared.asn1.ber.tlv.TLV

     */
    public void action( LdapMessageContainer<MessageDecorator<? extends Message>> container ) throws DecoderException
    {
        // The current TLV should be a integer
        // We get it and store it in MessageId
        TLV tlv = container.getCurrentTLV();

        // The Length should not be null
        if ( tlv.getLength() == 0 )
        {
            LOG.error( I18n.err( I18n.ERR_04068 ) );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( I18n.err( I18n.ERR_04069 ) );
        }

        Value value = tlv.getValue();

        try
        {
            int messageId = IntegerDecoder.parse( value, 0, Integer.MAX_VALUE );

View Full Code Here

Examples of org.apache.directory.shared.asn1.ber.tlv.TLV

    private boolean treatLengthStartState( ByteBuffer stream, Asn1Container container ) throws DecoderException
    {
        if ( stream.hasRemaining() )
        {
            byte octet = stream.get();
            TLV tlv = container.getCurrentTLV();

            if ( ( octet & TLV.LENGTH_LONG_FORM ) == 0 )
            {
                // We don't have a long form. The Length of the Value part is
                // given by this byte.
                tlv.setLength( octet );
                tlv.setLengthNbBytes( 1 );

                container.setState( TLVStateEnum.LENGTH_STATE_END );
            }
            else if ( ( octet & TLV.LENGTH_EXTENSION_RESERVED ) != TLV.LENGTH_EXTENSION_RESERVED )
            {
                int expectedLength = octet & TLV.LENGTH_SHORT_MASK;

                if ( expectedLength > 4 )
                {
                    String msg = I18n.err( I18n.ERR_00005_LENGTH_OVERFLOW );
                    LOG.error( msg );
                    throw new DecoderException( msg );
                }

                tlv.setLength( 0 );
                tlv.setLengthNbBytes( 1 + expectedLength );
                tlv.setLengthBytesRead( 1 );
                container.setState( TLVStateEnum.LENGTH_STATE_PENDING );
            }
            else
            {
                String msg = I18n.err( I18n.ERR_00006_LENGTH_EXTENSION_RESERVED );
View Full Code Here

Examples of org.apache.directory.shared.asn1.ber.tlv.TLV

     */
    private boolean treatLengthPendingState( ByteBuffer stream, Asn1Container container )
    {
        if ( stream.hasRemaining() )
        {
            TLV tlv = container.getCurrentTLV();
            int length = tlv.getLength();

            while ( tlv.getLengthBytesRead() < tlv.getLengthNbBytes() )
            {
                byte octet = stream.get();

                if ( IS_DEBUG )
                {
                    LOG.debug( "  current byte : {}", Asn1StringUtils.dumpByte( octet ) );
                }

                tlv.incLengthBytesRead();
                length = ( length << 8 ) | ( octet & 0x00FF );

                if ( !stream.hasRemaining() )
                {
                    tlv.setLength( length );

                    if ( tlv.getLengthBytesRead() < tlv.getLengthNbBytes() )
                    {
                        container.setState( TLVStateEnum.LENGTH_STATE_PENDING );
                        return END;
                    }
                    else
                    {
                        container.setState( TLVStateEnum.LENGTH_STATE_END );
                        return MORE;
                    }
                }
            }

            tlv.setLength( length );
            container.setState( TLVStateEnum.LENGTH_STATE_END );

            return MORE;
        }
        else
View Full Code Here

Examples of org.apache.directory.shared.asn1.ber.tlv.TLV

     */
    public void action( LdapMessageContainer<ModifyDnRequestDecorator> container ) throws DecoderException
    {
        ModifyDnRequest modifyDnRequest = container.getMessage();

        TLV tlv = container.getCurrentTLV();

        // We get the value. If it's a 0, it's a FALSE. If it's
        // a FF, it's a TRUE. Any other value should be an error,
        // but we could relax this constraint. So if we have
        // something
        // which is not 0, it will be interpreted as TRUE, but we
        // will generate a warning.
        Value value = tlv.getValue();

        try
        {
            modifyDnRequest.setDeleteOldRdn( BooleanDecoder.parse( value ) );
        }
View Full Code Here

Examples of org.apache.directory.shared.asn1.ber.tlv.TLV

    /**
     * {@inheritDoc}
     */
    public void action( LdapMessageContainer<MessageDecorator<? extends Message>> container ) throws DecoderException
    {
        TLV tlv = container.getCurrentTLV();

        // Get the current control
        Control control = null;

        MessageDecorator<? extends Message> message = container.getMessage();
        control = message.getCurrentControl();

        // Store the criticality
        // We get the value. If it's a 0, it's a FALSE. If it's
        // a FF, it's a TRUE. Any other value should be an error,
        // but we could relax this constraint. So if we have
        // something
        // which is not 0, it will be interpreted as TRUE, but we
        // will generate a warning.
        Value value = tlv.getValue();

        try
        {
            control.setCritical( BooleanDecoder.parse( value ) );
        }
View Full Code Here

Examples of org.apache.directory.shared.asn1.ber.tlv.TLV

     * the result and other informations.
     * @throws DecoderException Thrown if anything went wrong
     */
    private void treatLengthEndState( Asn1Container container ) throws DecoderException
    {
        TLV tlv = container.getCurrentTLV();

        if ( tlv == null )
        {
            String msg = I18n.err( I18n.ERR_00007_TLV_NULL );
            LOG.error( msg );
            throw new DecoderException( msg );
        }

        int length = tlv.getLength();

        // We will check the length here. What we must control is
        // that the enclosing constructed TLV expected length is not
        // exceeded by the current TLV.
        TLV parentTLV = container.getParentTLV();

        if ( IS_DEBUG )
        {
            LOG.debug( "Parent length : {}", getParentLength( parentTLV ) );
        }

        if ( parentTLV == null )
        {
            // This is the first TLV, so we can't check anything. We will
            // just store this TLV as the root of the PDU
            tlv.setExpectedLength( length );
            container.setParentTLV( tlv );

            if ( IS_DEBUG )
            {
                LOG.debug( "Root TLV[{}]", Integer.valueOf( length ) );
            }
        }
        else
        {
            // We have a parent, so we will check that its expected length is
            // not exceeded.
            int expectedLength = parentTLV.getExpectedLength();
            int currentLength = tlv.getSize();

            if ( expectedLength < currentLength )
            {
                // The expected length is lower than the Value length of the
                // current TLV. This is an error...
                LOG.debug( "tlv[{}, {}]", Integer.valueOf( expectedLength ), Integer.valueOf( currentLength ) );
                throw new DecoderException( I18n.err( I18n.ERR_00008_VALUE_LENGTH_ABOVE_EXPECTED_LENGTH, Integer
                    .valueOf( currentLength ), Integer.valueOf( expectedLength ) ) );
            }

            // deal with the particular case where expected length equal
            // the current length, which means that the parentTLV has been
            // completed.
            if ( expectedLength == currentLength )
            {
                parentTLV.setExpectedLength( 0 );

                // We also have to check that the current TLV is a constructed
                // one.
                // In this case, we have to switch from this parent TLV
                // to the parent's parent TLV.
                if ( tlv.isConstructed() )
                {
                    // here, we also have another special case : a
                    // zero length TLV. We must then unstack all
                    // the parents which length is null.
                    if ( length == 0 )
                    {
                        // We will set the parent to the first parentTLV which
                        // expectedLength
                        // is not null, and it will become the new parent TLV
                        while ( parentTLV != null )
                        {
                            if ( parentTLV.getExpectedLength() != 0 )
                            {
                                // ok, we have an incomplete parent. we will
                                // stop the recursion right here
                                break;
                            }
                            else
                            {
                                parentTLV = parentTLV.getParent();
                            }
                        }

                        container.setParentTLV( parentTLV );
                    }
                    else
                    {
                        // The new Parent TLV is this Constructed TLV
                        container.setParentTLV( tlv );
                    }

                    tlv.setParent( parentTLV );
                    tlv.setExpectedLength( length );
                }
                else
                {
                    tlv.setExpectedLength( length );

                    // It's over, the parent TLV has been completed.
                    // Go back to the parent's parent TLV until we find
                    // a tlv which is not complete.
                    while ( parentTLV != null )
                    {
                        if ( parentTLV.getExpectedLength() != 0 )
                        {
                            // ok, we have an incomplete parent. we will
                            // stop the recursion right here
                            break;
                        }
                        else
                        {
                            parentTLV = parentTLV.getParent();
                        }
                    }

                    container.setParentTLV( parentTLV );
                }
            }
            else
            {
                // Renew the expected Length.
                parentTLV.setExpectedLength( expectedLength - currentLength );
                tlv.setExpectedLength( length );

                if ( tlv.isConstructed() )
                {
                    // We have a constructed tag, so we must switch the
View Full Code Here

Examples of org.apache.directory.shared.asn1.ber.tlv.TLV

     * @return <code>true</code> if there are more bytes to read, <code>false
     * </code> otherwise
     */
    private boolean treatValueStartState( ByteBuffer stream, Asn1Container container )
    {
        TLV currentTlv = container.getCurrentTLV();

        if ( TLV.isConstructed( currentTlv.getTag() ) && !container.isGathering() )
        {
            container.setState( TLVStateEnum.TLV_STATE_DONE );

            return MORE;
        }
        else
        {
            int length = currentTlv.getLength();
            int nbBytes = stream.remaining();

            if ( nbBytes < length )
            {
                currentTlv.getValue().init( length );
                currentTlv.getValue().setData( stream );
                container.setState( TLVStateEnum.VALUE_STATE_PENDING );

                return END;
            }
            else
            {
                currentTlv.getValue().init( length );
                stream.get( currentTlv.getValue().getData(), 0, length );
                container.setState( TLVStateEnum.TLV_STATE_DONE );

                return MORE;
            }
        }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.