[Zope] Redirect FTP access on a role basis

[Danny William Adair]

Is it possible to redirect FTP access to subfolders depending on user's
role? If yes, how can I do that?

I would like to have ftp://www.mysite.com connect to the graphics folder
"/gfx", if an account with a "Designer role" connects to the server in order
to upload/exchange graphics. His account is only permitted to exchange
graphics anyway (through web interface or FTP), so why should I show him the
root tree?

tia,
Danny

P.S.: Yes, I know that I can set _permissions_ for FTP access.