if (th.hasCapability(SmbConstants.CAP_LARGE_READX)) {
            this.largeReadX = true;
            this.readSizeFile =
                    Math.min(th.getConfig().getReceiveBufferSize() - 70, th.areSignaturesActive() ? 0xFFFF - 70 : 0xFFFFFF - 70);
            log.debug("Enabling LARGE_READX with " + this.readSizeFile);
        } else {
            log.debug("LARGE_READX disabled");

    private static final Map<String, byte[]> TARGET_INFO_CACHE = new HashMap<>();

    private static byte[] getDefaultTargetInfo(final CIFSContext tc) {
        final String domain = tc.getConfig().getDefaultDomain();
        byte[] ti = TARGET_INFO_CACHE.get(domain);
        if (ti != null) {
            return ti;
        }

        ti = makeTargetInfo(tc, domain);
        TARGET_INFO_CACHE.put(domain, ti);

    if (!isDirectory() || !context.getConfig().isUseDirectoryLeasing()) {
        return;
    }
    
    if (!tree.getSession().supports(SMB3_0)) {
        return;  // Directory leasing requires SMB3
    }
    
    directoryLeaseManager = tree.getSession().getDirectoryLeaseManager();
    if (directoryLeaseManager != null) {
        DirectoryCacheScope scope = context.getConfig().getDirectoryCacheScope();

        } else {
            this.ntlmsspFlags |= NtlmFlags.NTLMSSP_NEGOTIATE_ANONYMOUS;
        }
        this.requireKeyExchange = doSigning;
        this.workstation = tc.getConfig().getNetbiosHostname();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SSPContext#getSupportedMechs()
     */
    @Override
    public ASN1ObjectIdentifier[] getSupportedMechs() {

        if (locator.getURL().getHost().isEmpty()) {
            this.request = new NetServerEnum2(th.getConfig(), th.getOEMDomainName(), NetServerEnum2.SV_TYPE_DOMAIN_ENUM);
        } else if (this.workgroup) {
            this.request = new NetServerEnum2(th.getConfig(), locator.getURL().getHost(), NetServerEnum2.SV_TYPE_ALL);
        } else {

        setResponse(resp);
        return resp;
    }

    @Override
    protected int writeParameterWordsWireFormat(final byte[] dst, int dstIndex) {
        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        if (this.digest != null) {
            SMB1SigningDigest.writeUTime(getConfig(), this.lastWriteTime, dst, dstIndex);
        } else {

            // Check if we can use directory leasing
            DirectoryLeaseManager dirManager = getDirectoryLeaseManager(th);
            if (dirManager != null && smbFile.getContext().getConfig().isUseDirectoryLeasing()) {
                return listFilesWithDirectoryLeasing(smbFile, dirManager);
            } else {
                // Fall back to regular directory listing
                return smbFile.listFiles();

    @Test
    @DisplayName("getPreNTLMResponse: uses OEM bytes, truncates to 14, verifies interactions")
    void testGetPreNTLMResponse_basicAndInteractions() throws Exception {
        // Arrange
        when(cifsContext.getConfig()).thenReturn(configuration);
        when(configuration.getOemEncoding()).thenReturn("Cp850");
        String password14 = "ABCDEFGHIJKLMN"; // 14 chars
        String password15 = "ABCDEFGHIJKLMNO"; // 15 chars, same first 14

        return this.treeConnection.isConnected();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbTreeHandle#getConfig()
     */
    @Override
    public Configuration getConfig() {
        return this.treeConnection.getConfig();
    }

    /**
     * @return the currently connected tree id
     */
    public long getTreeId() {
        return this.treeConnection.getTreeId();

     */
    public RdmaTransport(SmbTransportInternal delegate, CIFSContext context) {
        this.delegate = delegate;
        this.rdmaProvider = RdmaProviderFactory.getProvider(context.getConfig());
        this.bufferManager = new RdmaBufferManager(rdmaProvider);
        this.statistics = new RdmaStatistics();

        log.debug("Created RDMA transport with provider: {}", rdmaProvider.getClass().getSimpleName());