// Get frame length, optionally reading from follow-up bytes if indicated by special values.
    frameLength = (b1 and B1_MASK_LENGTH).toLong()
    if (frameLength == PAYLOAD_SHORT.toLong()) {
      frameLength = (source.readShort() and 0xffff).toLong() // Value is unsigned.
    } else if (frameLength == PAYLOAD_LONG.toLong()) {
      frameLength = source.readLong()
      if (frameLength < 0L) {
        throw ProtocolException(

            PacUnicodeString homeDriveString = pacStream.readUnicodeString();

            // Some counts
            this.logonCount = pacStream.readShort();
            this.badPasswordCount = pacStream.readShort();

            // IDs for user
            SID userId = pacStream.readId();
            SID groupId = pacStream.readId();

            // Groups information

    public final int readUnsignedByte() throws SmbException {
        if((read( tmp, 0, 1 )) < 0 ) {
            throw new SmbException( "EOF" );
        }
        return tmp[0] & 0xFF;
    }
    public final short readShort() throws SmbException {
        if((read( tmp, 0, 2 )) < 0 ) {
            throw new SmbException( "EOF" );
        }
        return Encdec.dec_uint16be( tmp, 0 );
    }

      return
    }

    if (length % 6 != 0) throw IOException("TYPE_SETTINGS length % 6 != 0: $length")
    val settings = Settings()
    for (i in 0 until length step 6) {
      var id = source.readShort() and 0xffff
      val value = source.readInt()

      when (id) {
        // SETTINGS_HEADER_TABLE_SIZE
        1 -> {
        }

        // SETTINGS_ENABLE_PUSH
        2 -> {

    Inet4Address server = getInet4Address(Arrays.copyOfRange(bytes, 4, 8));

    int flags = ByteStreams.newDataInput(bytes, 8).readShort() & 0xffff;

    // Teredo obfuscates the mapped client port, per section 4 of the RFC.
    int port = ~ByteStreams.newDataInput(bytes, 10).readShort() & 0xffff;

    byte[] clientBytes = Arrays.copyOfRange(bytes, 12, 16);
    for (int i = 0; i < clientBytes.length; i++) {

      try {
        return input.readUnsignedByte();
      } catch (IOException e) {
        throw new IllegalStateException(e);
      }
    }

    @Override
    public short readShort() {
      try {
        return input.readShort();
      } catch (IOException e) {
        throw new IllegalStateException(e);
      }
    }

    @Override
    public int readUnsignedShort() {
      try {

        if ( ( read(this.tmp, 0, 1) ) < 0 ) {
            throw new SmbEndOfFileException();
        }
        return this.tmp[ 0 ] & 0xFF;
    }


    @Override
    public final short readShort () throws SmbException {
        if ( ( read(this.tmp, 0, 2) ) < 0 ) {
            throw new SmbEndOfFileException();
        }
        return Encdec.dec_uint16be(this.tmp, 0);
    }


    @Override

    Inet4Address server = getInet4Address(Arrays.copyOfRange(bytes, 4, 8));

    int flags = ByteStreams.newDataInput(bytes, 8).readShort() & 0xffff;

    // Teredo obfuscates the mapped client port, per section 4 of the RFC.
    int port = ~ByteStreams.newDataInput(bytes, 10).readShort() & 0xffff;

    byte[] clientBytes = Arrays.copyOfRange(bytes, 12, 16);
    for (int i = 0; i < clientBytes.length; i++) {