return this.handle.ensureOpen();
    }

    /**
     * Gets the pipe handle implementation for this output stream.
     *
     * @return the handle
     */
    protected SmbPipeHandleImpl getHandle() {
        return this.handle;
    }

    @Override
    public void close() {
        // ignore, the shared file descriptor is closed by the pipe handle
    }

    }

    @Test
    @DisplayName("getHandle returns the exact handle instance")
    void getHandle_returnsHandle() throws Exception {
        // Arrange
        SmbPipeOutputStream out = newStream();

        // Act
        SmbPipeHandleImpl got = out.getHandle();

        // Assert
        assertSame(handle, got, "getHandle should expose the same instance passed to constructor");
    }

    /**
     *
     */
    private SmbEnumerationUtil() {
    }

    private static DcerpcHandle getHandle(final CIFSContext ctx, final SmbResourceLocator loc, final Address address, final String ep)
            throws MalformedURLException, DcerpcException {
        return DcerpcHandle.getHandle(String.format("ncacn_np:%s[endpoint=%s,address=%s]", loc.getServer(), ep, address.getHostAddress()),
                ctx);
    }

    }

    void resolveSids0(final String authorityServerName, final CIFSContext tc, final jcifs.SID[] sids) throws CIFSException {
        synchronized (this.sidCache) {
            try (DcerpcHandle handle = DcerpcHandle.getHandle("ncacn_np:" + authorityServerName + "[\\PIPE\\lsarpc]", tc)) {
                String server = authorityServerName;
                final int dot = server.indexOf('.');

     * @throws DcerpcException
     *            if there is an error establishing the connection
     */
    public static DcerpcHandle getHandle(final String url, final CIFSContext tc) throws MalformedURLException, DcerpcException {
        return getHandle(url, tc, false);
    }

    /**
     * Get a handle to a service
     *
     * @param url
     *            the DCE/RPC service URL

        }

        @Test
        @DisplayName("Should reject unsupported protocols")
        void testGetHandleUnsupportedProtocol() {
            // When/Then: Should throw exception for unsupported protocols
            assertThrows(DcerpcException.class, () -> DcerpcHandle.getHandle("unsupported:\\\\server", mockContext));

        DcerpcHandle handle = null;
        LsaPolicyHandle policyHandle = null;

        synchronized (sid_cache) {
            try {
                handle = DcerpcHandle.getHandle("ncacn_np:" + authorityServerName + "[\\PIPE\\lsarpc]", auth);
                String server = authorityServerName;
                final int dot = server.indexOf('.');

     * @throws MalformedURLException if the URL is malformed
     * @throws DcerpcException if DCERPC initialization fails
     */
    public static DcerpcHandle getHandle(final String url, final NtlmPasswordAuthentication auth)
            throws UnknownHostException, MalformedURLException, DcerpcException {
        if (url.startsWith("ncacn_np:")) {

        this.context = context;

        try {
            // Create DCE/RPC handle for witness service
            String rpcUrl = buildWitnessRpcUrl(serverAddress);
            this.rpcHandle = DcerpcHandle.getHandle(rpcUrl, context);
            this.rpcHandle.bind();
            this.connected = true;

            log.debug("Connected to witness service at {}", serverAddress.getHostAddress());
        } catch (Exception e) {

    //        SmbTransport trans = SmbTransport.getSmbTransport(dc, 0);
    //        DfsReferral[] dr = trans.getDfsReferrals(auth, "\\" + domainName, 1);
    //
    //        handle = DcerpcHandle.getHandle("ncacn_np:" +
    //                    UniAddress.getByName(dr[0].server).getHostAddress() +
    //                    "[\\PIPE\\netdfs]", auth);
    //        try {
    //            rpc = new MsrpcDfsRootEnum(domainName);