CommonServerMessageBlockRequest cur = request;
        while ( cur != null ) {
            if ( this.smb2 ) {
                if ( !checkStatus2((ServerMessageBlock2) cur, cur.getResponse()) ) {
                    return false;
                }
            }
            else {
                if ( !checkStatus((ServerMessageBlock) cur, (ServerMessageBlock) cur.getResponse()) ) {
                    return false;

            cr.setShareAccess(shareAccess);

            ServerMessageBlock2Request<?> cur = cr;

            if ( first != null ) {
                cr.chain(first);
                cur = first;

                for ( ServerMessageBlock2Request<?> req : others ) {
                    cur.chain(req);
                    cur = req;
                }
            }

        catch ( CIFSException e ) {
            throw SmbException.wrap(e);
        }
    }


    boolean isSignatureSetupRequired () throws SmbException {
        SMBSigningDigest cur = getDigest();
        if ( cur != null ) {
            return false;
        }
        else if ( this.transport.isSigningEnforced() ) {
            return true;
        }