* @return output stream, needs to be closed when finished
     * @throws CIFSException
     */
    OutputStream openOutputStream ( boolean append ) throws CIFSException;


    /**
     * Opens an output stream writing to the file (truncating, write only, sharable)
     * 
     * @return output stream, needs to be closed when finished
     * @throws CIFSException
     */

     */
    byte[] getSessionKey () throws CIFSException;


    /**
     * 
     * @return this pipe's input stream
     * @throws SmbException
     */
    @Override
    SmbPipeInputStream getInput () throws CIFSException;


    /**
     * 
     * @return this pipe's output stream
     * @throws SmbException
     * @throws
     */
    @Override
    SmbPipeOutputStream getOutput () throws CIFSException;

        }
        is.close();
    }

    public String getMimeType( String extension ) throws IOException {
        return getMimeType( extension, "application/octet-stream" );
    }
    public String getMimeType( String extension, String def ) throws IOException {
        int state, t, x, i, off;
        byte ch;
        byte[] type = new byte[128];
        byte[] buf = new byte[16];

application/mac-binhex40       hqx              # Macintosh binhexed archives
application/mspowerpoint       ppt              # Microsoft Powerpoint
application/msword             doc              # Microsoft Word
application/octet-stream       bin exe ani      # Binary File
application/oda                oda
application/pagemaker          pm5 pt5 pm       # PageMaker
application/pdf                pdf              # Adobe Acrobat

    synchronized SmbFileHandleImpl ensureOpen () throws CIFSException {
        // ensure file is open
        if ( this.handle == null || !this.handle.isValid() ) {
            // one extra acquire to keep this open till the stream is released
            this.handle = this.file.openUnshared(this.openFlags, this.access, this.sharing, SmbConstants.ATTR_NORMAL, this.options).acquire();
            return this.handle;
        }

     * actually purer. However, in the case of smb we know the
     * wordCount and byteCount. And since every subclass of
     * ServerMessageBlock would have to perform the same read
     * operation on the input stream, we might as will pull that
     * common functionality into the superclass and read wordCount
     * and byteCount worth of data.
     * 
     * We will still use the readXxxWireFormat return values to

     * actually purer. However, in the case of smb we know the
     * wordCount and byteCount. And since every subclass of
     * ServerMessageBlock would have to perform the same read
     * operation on the input stream, we might as will pull that
     * common functionality into the superclass and read wordCount
     * and byteCount worth of data.
     * 
     * We will still use the readXxxWireFormat return values to

            if ( size < 33 || ( 4 + size ) > this.getContext().getConfig().getReceiveBufferSize() ) {
                /* log message? */
                log.warn("Flusing stream input");
                this.in.skip(this.in.available());
            }
            else {
                Response notification = createNotification(key);
                if ( notification != null ) {

        byte[] content;
        try ( ASN1InputStream stream = new ASN1InputStream(token) ) {
            content = ASN1Util.readUnparsedTagged(0, 0x8000, stream);
        }catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos token", e);
        }

        try ( ASN1InputStream stream = new ASN1InputStream(content) ) {

    }


    /**
     * 
     * @param type
     * @param stream
     * @return next object from stream cast to type
     * @throws PACDecodingException
     * @throws IOException
     */
    public static <T extends ASN1Primitive> T as ( Class<T> type, ASN1InputStream stream ) throws PACDecodingException, IOException {
        return as(type, stream.readObject());
    }


    /**
     *
     * @param type