if (buf.length < i + len) {
            throw new IllegalArgumentException();
        }
        final byte[] bo = new byte[len];
        System.arraycopy(buf, i, bo, 0, len);
        i += len;
        this.oid = ASN1ObjectIdentifier.getInstance(bo);

        // NAME_LEN
        if (buf.length < i + NAME_LEN_SIZE) {
            throw new IllegalArgumentException();
        }
        len = 0xff000000 & buf[i++] << 24;

    }

    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.
     *
     * @throws IOException if a network error occurs
     */

    @Override
    public int read(final byte[] b, final int off, final int len) throws IOException {
        return readDirect(b, off, len);
    }

    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.

     */
    public static int findUNITermination(final byte[] buffer, final int bufferIndex, final int maxLen) {
        int len = 0;
        while (buffer[bufferIndex + len] != (byte) 0x00 || buffer[bufferIndex + len + 1] != (byte) 0x00) {
            len += 2;
            if (len > maxLen) {
                if (log.isDebugEnabled()) {
                    log.warn("Failed to find string termination with max length " + maxLen);

    private final int off;
    private final int len;

    /**
     * Constructs a ByteEncodable object wrapping a byte array segment.
     *
     * @param b the byte array to wrap
     * @param off the offset in the byte array
     * @param len the length of the segment to use
     */
    public ByteEncodable(final byte[] b, final int off, final int len) {
        this.bytes = b;
        this.off = off;

    int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        if (pipe.pipeIn != null) {

    public UnicodeString(final String str, final boolean zterm) {
        this.zterm = zterm;

        final int len = str.length();
        final int zt = zterm ? 1 : 0;

        length = maximum_length = (short) ((len + zt) * 2);
        buffer = new short[len + zt];

        int i;
        for (i = 0; i < len; i++) {
            buffer[i] = (short) str.charAt(i);
        }
        if (zterm) {

     * @param len the length of data to write
     */
    public TransCallNamedPipe(final Configuration config, final String pipeName, final byte[] data, final int off, final int len) {
        super(config, SMB_COM_TRANSACTION, TRANS_CALL_NAMED_PIPE);
        this.name = pipeName;
        this.pipeData = data;
        this.pipeDataOff = off;
        this.pipeDataLen = len;
        this.timeout = 0xFFFFFFFF;

     * @param len the length of data to send
     */
    public TransTransactNamedPipe(final Configuration config, final int fid, final byte[] data, final int off, final int len) {
        super(config, SMB_COM_TRANSACTION, TRANS_TRANSACT_NAMED_PIPE);
        this.pipeFid = fid;
        this.pipeData = data;
        this.pipeDataOff = off;
        this.pipeDataLen = len;
        this.maxParameterCount = 0;

                 * one might be able to reduce this.
                 */

                if (len > 0 && src[srcIndex + len - 1] == '\0') {
                    len--;
                }
                str = new String(src, srcIndex, len, SmbConstants.OEM_ENCODING);
            }
        } catch (final UnsupportedEncodingException uee) {
            if (LogStream.level > 1) {

     * @param len the length of data to decode
     * @throws IOException if an I/O error occurs during decoding
     */
    public FileNotifyInformationImpl(final byte[] buffer, final int bufferIndex, final int len) throws IOException {
        decode(buffer, bufferIndex, len);
    }

    @Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {