Re: Directories traversal (was Re: the deadly hypercube of death, or: handling permissions)

[Pierre THIERRY]

Scribit Marcus Brinkmann dies 28/04/2006 hora 00:54:
> (1) The only components of the file system that are global are
>     globally share static files, like system-provided software
>     packages.  Each user has their own mutable file system, that can
>     not be accessed by any other user (unless parts of it are
>     explicitely shared).
> 
> (2) The only program that usually has access to your root directory is
>     your shell (ie, your environment).  Applications only get access
>     to selected files or subdirectories via the powerbox.
> 
> (3) You can introduce proxy-directory servers (or using the powerbox)
>     that reduce permissions following arbitrary policies.

I can't really link this to a POSIX-like system, which I suspect we will
support in the Hurd. Where will these user mutable filesystem reside?

IIUC, each entry of /home would be a proxy, is that right?

Do we use the same scheme for /etc and /var, where application specific
and sensitive data can exist?

Curiously,
Nowhere man
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