int off = 0;
        final int tot = buf.getLength() - 24;
        while (off < tot) {
            int fragSize = tot - off;
            if (24 + fragSize > this.max_xmit) {
                // need fragementation
                msg.flags &= ~DCERPC_LAST_FRAG;
                fragSize = this.max_xmit - 24;
            } else {
                msg.flags |= DCERPC_LAST_FRAG;
                msg.alloc_hint = fragSize;

    void testDecodeWithMaxBufferSize() throws SMBProtocolDecodingException {
        prepareMinimalSecurityDescriptorBuffer(testBuffer, 0, true, true, false);

        // Decode with exact size needed
        int size = securityDescriptor.decode(testBuffer, 0, 100);

        // decode returns 0 when no DACL is present (falls through)
        assertEquals(0, size);

        final ServerMessageBlock msg = (ServerMessageBlock) m;

        if ((msg.getFlags2() & SmbConstants.FLAGS2_SECURITY_SIGNATURES) == 0) {
            // signature requirements need to be checked somewhere else
            log.warn("Expected signed response, but is not signed");
            return false;
        }

        update(this.macSigningKey, 0, this.macSigningKey.length);

        /*
         * Apparently readRDataWireFormat can return 0 if resultCode != 0 in
         * which case this will look indefinitely. Putting this else clause around
         * the loop might fix that. But I would need to see a capture to confirm.
         * if (resultCode != 0) {
         * srcIndex += rDataLength;
         * } else {
         */
        for (this.addrIndex = 0; srcIndex < end; this.addrIndex++) {

        /* Apparently readRDataWireFormat can return 0 if resultCode != 0 in
        which case this will look indefinitely. Putting this else clause around
        the loop might fix that. But I would need to see a capture to confirm.
        if (resultCode != 0) {
            srcIndex += rDataLength;
        } else {
        */
        for (addrIndex = 0; srcIndex < end; addrIndex++) {

    /**
     * Reads a byte of data from this input stream.
     *
     * @throws IOException if a network error occurs
     */

    @Override
    public int read() throws IOException {
        // need oplocks to cache otherwise use BufferedInputStream
        if (read(tmp, 0, 1) == -1) {
            return -1;
        }
        return tmp[0] & 0xFF;
    }

    /**

                fos = new FileOutputStream(newFile);
                writer = new BufferedWriter(new OutputStreamWriter(fos, Constants.UTF_8));
                fos = null; // Successfully wrapped, no need to close explicitly
            } catch (final Exception e) {
                if (fos != null) {
                    try {
                        fos.close();
                    } catch (final IOException ioe) {

        }
    }

    private boolean isExceptPrivateAccessible(Field field) {
        // to avoid warning of JDK-internal access at Java11
        // Lasta Di does not need private access to the classes
        final String fqcn = field.getDeclaringClass().getName();
        return fqcn.startsWith("java.") || fqcn.startsWith("jdk.") || fqcn.startsWith("com.sun.") || fqcn.startsWith("sun.");
    }

        }
    }

    private boolean isExceptPrivateAccessible(Method method) {
        // to avoid warning of JDK-internal access at Java11
        // Lasta Di does not need private access to the classes
        final String fqcn = method.getDeclaringClass().getName();
        return fqcn.startsWith("java.") || fqcn.startsWith("jdk.") || fqcn.startsWith("com.sun.") || fqcn.startsWith("sun.");
    }

        if (this.treeHandle != null && this.treeHandle.isConnected()) {
            // Connection is still valid - reuse it
            return this.treeHandle.acquire();
        }

        // Clean up old handle if needed
        final SmbTreeHandleImpl oldHandle = this.treeHandle;
        if (oldHandle != null) {
            if (this.transportContext.getConfig().isStrictResourceLifecycle()) {
                oldHandle.release();