// no password in tree connect
            dst[dstIndex++] = (byte) 0x00;
        }
        dstIndex += writeString(path, dst, dstIndex);
        try {
            System.arraycopy(service.getBytes("ASCII"), 0, dst, dstIndex, service.length());
        } catch (final UnsupportedEncodingException uee) {
            return 0;
        }
        dstIndex += service.length();
        dst[dstIndex] = (byte) '\0';

            update(data, offset, length);
            System.arraycopy(digest(), 0, data, index, 8);
            if (bypass) {
                bypass = false;
                System.arraycopy("BSRSPYL ".getBytes(), 0, data, index, 8);
            }
        } catch (final Exception ex) {
            if (LogStream.level > 0) {
                ex.printStackTrace(log);
            }
        } finally {

        final int start = dstIndex;
        byte[] descr;
        final int which = getSubCommand() == NET_SERVER_ENUM2 ? 0 : 1;

        try {
            descr = DESCR[which].getBytes("ASCII");
        } catch (final UnsupportedEncodingException uee) {
            return 0;
        }

        SMBUtil.writeInt2(getSubCommand() & 0xFF, dst, dstIndex);
        dstIndex += 2;

    /**
     * Context name for lease request
     */
    public static final String CONTEXT_NAME = "RqLs";

    private static final byte[] CONTEXT_NAME_BYTES = CONTEXT_NAME.getBytes();

    private Smb2LeaseKey leaseKey;
    private int leaseState;
    private int leaseFlags;

    /**
     * Create a new lease V1 context request
     */
    public LeaseV1CreateContextRequest() {

            assertEquals("text/plain", responseData.getMimeType());
            assertTrue(responseData.getUrl().endsWith("text1.txt"));
            final String content = new String(InputStreamUtil.getBytes(responseData.getResponseBody()), "UTF-8");
            assertEquals("test1", content.trim());
        } finally {
            if (server != null) {
                server.stop();
            }
        }
    }

        
        writeInt4(buffer, offset + 12, dataOffset - offset);  // DataOffset
        
        // Write context name
        System.arraycopy(getName().getBytes(), 0, buffer, offset + 16, getName().length());
        
        // Write lease data
        System.arraycopy(leaseKey.getKey(), 0, buffer, dataOffset, 16);  // LeaseKey

            // no password in tree connect
            dst[dstIndex++] = (byte) 0x00;
        }
        dstIndex += writeString(this.path, dst, dstIndex);
        try {
            System.arraycopy(this.service.getBytes("ASCII"), 0, dst, dstIndex, this.service.length());
        } catch (final UnsupportedEncodingException uee) {
            return 0;
        }
        dstIndex += this.service.length();

    /**
     * Context name for durable handle V2 request
     */
    public static final String CONTEXT_NAME = "DH2Q";

    private static final byte[] CONTEXT_NAME_BYTES = CONTEXT_NAME.getBytes();
    private static final int STRUCTURE_SIZE = 32; // Corrected to 32 bytes as per MS-SMB2

    // MS-SMB2: Timeout is specified in 100-nanosecond intervals, but we store in milliseconds

     * @param string
     * @return null terminated ASCII bytes
     */
    private static byte[] toCBytes(final String string) {
        final byte[] data = new byte[string.length() + 1];
        System.arraycopy(string.getBytes(StandardCharsets.US_ASCII), 0, data, 0, string.length());
        return data;
    }

        if (this.fileName == null) {
            SMBUtil.writeInt2(0, dst, fnOffsetOffset);
            SMBUtil.writeInt2(0, dst, fnLengthOffset);
        } else {
            final byte[] fnBytes = this.fileName.getBytes(StandardCharsets.UTF_16LE);
            SMBUtil.writeInt2(dstIndex - getHeaderStart(), dst, fnOffsetOffset);
            SMBUtil.writeInt2(fnBytes.length, dst, fnLengthOffset);