/**
     * @param ctx
     * @param name
     * @param targetHost
     * @param targetDomain
     * @param rn
     * @return dfs referral
     * @throws SmbException
     * @throws CIFSException
     */
    DfsReferralData getDfsReferrals ( CIFSContext ctx, String name, String targetHost, String targetDomain, int rn ) throws CIFSException;


    /**
     * @return whether signatures are supported but not required

        Trans2GetDfsReferralResponse resp = new Trans2GetDfsReferralResponse();
        ipc.send( new Trans2GetDfsReferral( path ), resp );

        if (rn == 0 || resp.numReferrals < rn) {
            rn = resp.numReferrals;
        }

        DfsReferral[] drs = new DfsReferral[rn];
        String[] arr = new String[4];
        long expiration = System.currentTimeMillis() + Dfs.TTL * 1000;

            }
            else if ( rn == 0 || dfsResp.getNumReferrals() < rn ) {
                rn = dfsResp.getNumReferrals();
            }

            DfsReferralDataImpl cur = null;
            long expiration = System.currentTimeMillis() + ( ctx.getConfig().getDfsTtl() * 1000 );
            Referral[] refs = dfsResp.getReferrals();
            for ( int di = 0; di < rn; di++ ) {