response = new SmbComSessionSetupAndXResponse(getContext().getConfig(), null);
                    response.setExtendedSecurity(true);
                    request.setUid(getUid());
                    setUid(0);

                    try {
                        trans.send(request, response);
                    }
                    catch ( SmbAuthException sae ) {

     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#chain(jcifs.internal.smb2.ServerMessageBlock2)
     */
    @Override
    public boolean chain ( ServerMessageBlock2 n ) {
        n.setTreeId(Smb2Constants.UNSPECIFIED_TREEID);
        return super.chain(n);
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#size()
     */
    @Override

    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#setTid(int)
     */
    @Override
    public void setTid ( int t ) {
        setTreeId(t);
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#isCancel()
     */
    @Override
    public boolean isCancel () {
        return true;
    }

     * @return the command
     */
    int getCommand ();


    /**
     * @param command
     */
    void setCommand ( int command );


    /**
     * @param uid
     */
    void setUid ( int uid );


    /**
     * @param extendedSecurity
     */
    void setExtendedSecurity ( boolean extendedSecurity );


    /**
     * @param sessionId
     */

		Method: Store,
		Mode:   0666,
	},
	{
		Name:   "bar",
		Data:   nil, // large data set in the test
		Method: Deflate,
		Mode:   0644,
	},
	{
		Name:   "setuid",
		Data:   []byte("setuid file"),
		Method: Deflate,
		Mode:   0755 | fs.ModeSetuid,
	},
	{
		Name:   "setgid",
		Data:   []byte("setgid file"),
		Method: Deflate,
		Mode:   0755 | fs.ModeSetgid,
	},
	{

			Typeflag: TypeFifo,
		},
		fm: 0600 | fs.ModeNamedPipe,
	}, {
		// setuid.
		h: &Header{
			Name:     "bin/su",
			Mode:     0755 | c_ISUID,
			Size:     23232,
			ModTime:  time.Unix(1355405093, 0),
			Typeflag: TypeReg,
		},
		fm: 0755 | fs.ModeSetuid,
	}, {
		// setguid.
		h: &Header{
			Name:     "group.txt",
			Mode:     0750 | c_ISGID,
			Size:     0,

            this.andx.setFlags(getFlags());
            this.andx.setFlags2(getFlags2());
            this.andx.setTid(getTid());
            this.andx.setPid(getPid());
            this.andx.setUid(getUid());
            this.andx.setMid(getMid());
            this.andx.setUseUnicode(this.isUseUnicode());

            if ( this.andx instanceof AndXServerMessageBlock ) {

	// Set file permission bits.
	mode = fs.FileMode(fi.h.Mode).Perm()

	// Set setuid, setgid and sticky bits.
	if fi.h.Mode&c_ISUID != 0 {
		mode |= fs.ModeSetuid
	}
	if fi.h.Mode&c_ISGID != 0 {
		mode |= fs.ModeSetgid
	}
	if fi.h.Mode&c_ISVTX != 0 {
		mode |= fs.ModeSticky
	}

	// Set file mode bits; clear perm, setuid, setgid, and sticky bits.
	switch m := fs.FileMode(fi.h.Mode) &^ 07777; m {

			utimes(path, atime, mtime, callback) { callback(enosys()); },
		};
	}

	if (!globalThis.process) {
		globalThis.process = {
			getuid() { return -1; },
			getgid() { return -1; },
			geteuid() { return -1; },
			getegid() { return -1; },
			getgroups() { throw enosys(); },
			pid: -1,
			ppid: -1,
			umask() { throw enosys(); },
			cwd() { throw enosys(); },
			chdir() { throw enosys(); },
		}
	}

     */
    public final int getUid () {
        return this.uid;
    }


    /**
     * @param uid
     *            the uid to set
     */
    @Override
    public final void setUid ( int uid ) {
        this.uid = uid;
    }


    /**
     * @return the signSeq
     */
    public int getSignSeq () {
        return this.signSeq;
    }


    /**