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Re: The Hurd: what is it?


From: Marco Gerards
Subject: Re: The Hurd: what is it?
Date: Wed, 09 Nov 2005 21:54:52 +0100
User-agent: Gnus/5.1007 (Gnus v5.10.7) Emacs/21.4 (gnu/linux)

Marcus Brinkmann <address@hidden> writes:

> The active translator problem seems serious to me.  Without any
> guarantee about the implementation of a service, you can not know what
> it does.  This means that you must be prepared for any malicious
> behaviour, including: no response (stalling the client), infinite
> virtual directory tree, confusing inode numbers and link counts,
> rapidly changing filesystem structure (to trigger race conditions) etc
> etc.
>
> This is why in FUSE, users don't see the user filesystems of other
> users.  I am afraid that given the seriousness of the problem, this is
> the only sane option.  Only with a broader semantic framework can you
> re-enable sharing on a case by case basis.

This was discussed on bug-hurd before.  Doesn't the proposed solution
of making it possible for the user to configure which translators are
trusted and which are not?  For example, I could configure I only want
to follow translators set by root and myself.

--
Marco





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