for (ai = 0; ai < aces.length; ai++) {
                aces[ai].getSID().initContext(server, getContext());
            }
        }
    }

    @Override
    public long fileIndex() throws SmbException {

        try (SmbTreeHandleImpl th = ensureTreeConnected()) {

            if (th.isSMB2()) {
                final Smb2QueryInfoRequest req = new Smb2QueryInfoRequest(th.getConfig());