}


    static SmbTreeConnection create ( CIFSContext c ) {
        if ( c.getConfig().isTraceResourceUsage() ) {
            return new SmbTreeConnectionTrace(c);
        }
        return new SmbTreeConnection(c);
    }


    static SmbTreeConnection create ( SmbTreeConnection c ) {
        if ( c.ctx.getConfig().isTraceResourceUsage() ) {
            return new SmbTreeConnectionTrace(c);
        }

        if ( !tc.getConfig().isEnforceSpnegoIntegrity() && serverAvPairs == null ) {
            return null;
        }
        else if ( serverAvPairs == null ) {
            serverAvPairs = new LinkedList<>();
        }

        if ( getFlag(NTLMSSP_NEGOTIATE_SIGN)
                && ( tc.getConfig().isEnforceSpnegoIntegrity() || ( haveServerTimestamp && !tc.getConfig().isDisableSpnegoIntegrity() ) ) ) {

                /*
                 * NtTrans Notify Change Request / Response
                 */
                req = new NtTransNotifyChange(th.getConfig(), this.handle.getFid(), this.filter, this.recursive);
                resp = new NtTransNotifyChangeResponse(th.getConfig());
            }

            if ( log.isTraceEnabled() ) {
                log.trace("Sending NtTransNotifyChange for " + this.handle);
            }

        this.response = new Trans2FindFirst2Response(th.getConfig());

        try {
            th.send(
                new Trans2FindFirst2(
                    th.getConfig(),
                    unc,
                    this.getWildcard(),
                    this.getSearchAttributes(),
                    th.getConfig().getListCount(),
                    th.getConfig().getListSize() - FIND_OVERHEAD),

            msg2,
            this.targetName,
            this.auth.isGuest() ? this.transportContext.getConfig().getGuestPassword() : this.auth.getPassword(),
            this.auth.isGuest() ? null : this.auth.getUserDomain(),
            this.auth.isGuest() ? this.transportContext.getConfig().getGuestUsername() : this.auth.getUsername(),
            this.workstation,
            this.ntlmsspFlags,

            dstIndex += writeString(this.accountName, dst, dstIndex);
            dstIndex += writeString(this.primaryDomain, dst, dstIndex);
        }
        dstIndex += writeString(getConfig().getNativeOs(), dst, dstIndex);
        dstIndex += writeString(getConfig().getNativeLanman(), dst, dstIndex);

        return dstIndex - start;
    }


    @Override

        this.transportContext = tc;

        this.signingEnforced = forceSigning || this.getContext().getConfig().isSigningEnforced();
        this.sessionExpiration = System.currentTimeMillis() + tc.getConfig().getSessionTimeout();

        this.address = address;
        this.port = port;
        this.localAddr = localAddr;
        this.localPort = localPort;

        }

        if ( !selected.atLeast(getConfig().getMinimumVersion()) || !selected.atMost(getConfig().getMaximumVersion()) ) {
            log.error(
                String.format(
                    "Server selected an disallowed dialect version %s (min: %s max: %s)",
                    selected,
                    getConfig().getMinimumVersion(),
                    getConfig().getMaximumVersion()));
            return false;

        SmbComBlankResponse resp = new SmbComBlankResponse(tc.getConfig());
        setResponse(resp);
        return resp;
    }


    @Override
    protected int writeParameterWordsWireFormat ( byte[] dst, int dstIndex ) {
        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        if ( this.digest != null ) {
            SMB1SigningDigest.writeUTime(getConfig(), this.lastWriteTime, dst, dstIndex);
        }

    private byte[] targetInformation;

    private static final Map<String, byte[]> TARGET_INFO_CACHE = new HashMap<>();


    private static byte[] getDefaultTargetInfo ( CIFSContext tc ) {
        String domain = tc.getConfig().getDefaultDomain();
        byte[] ti = TARGET_INFO_CACHE.get(domain);
        if ( ti != null ) {
            return ti;
        }

        ti = makeTargetInfo(tc, domain);