"  Skipping DC interrogation." );
        } else {
            SmbSession ssn = trans.getSmbSession( NtlmPasswordAuthentication.DEFAULT );
            ssn.getSmbTree( LOGON_SHARE, null ).treeConnect( null, null );
        }
        return new NtlmChallenge( trans.server.encryptionKey, dc );
    }
    public static NtlmChallenge getChallengeForDomain()

                    try ( SmbSessionInternal smbSession = trans.getSmbSession(this.ctx, host, targetDomain).unwrap(SmbSessionInternal.class);
                          SmbTreeImpl uct = smbSession.getSmbTree(share, null).unwrap(SmbTreeImpl.class);
                          SmbTreeImpl ct = connectTree(loc, host, share, trans, uct, dr) ) {

                        if ( dr != null ) {

              SmbSessionInternal smbSession = smbTransport.getSmbSession(tf, dc.getHostName(), null).unwrap(SmbSessionInternal.class);
              SmbTreeInternal tree = smbSession.getSmbTree(tf.getConfig().getLogonShare(), null).unwrap(SmbTreeInternal.class) ) {
            tree.connectLogon(tf);
        }
    }

        }
    }
    DfsReferral getDfsReferrals(NtlmPasswordAuthentication auth,
                String path,
                int rn) throws SmbException {
        SmbTree ipc = getSmbSession( auth ).getSmbTree( "IPC$", null );
        Trans2GetDfsReferralResponse resp = new Trans2GetDfsReferralResponse();
        ipc.send( new Trans2GetDfsReferral( path ), resp );

        if (resp.numReferrals == 0) {

                  SmbSession sess = trans.unwrap(SmbTransportInternal.class).getSmbSession(c, getTestServer(), null);
                  SmbTreeInternal tree = sess.unwrap(SmbSessionInternal.class).getSmbTree(getTestShare(), null).unwrap(SmbTreeInternal.class) ) {

                if ( trans.isSMB2() ) {
                    Smb2CreateRequest create = new Smb2CreateRequest(sess.getConfig(), "\\foocc");