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Date: Tue, 13 Oct 2020 12:09:38 -0400
From: Rich Felker <dalias@...c.org>
To: Florian Weimer <fweimer@...hat.com>
Cc: libc-coord@...ts.openwall.com,
Ariadne Conill <ariadne@...eferenced.org>
Subject: Re: [RFC] Add posix_spawnattr_chroot_np()
On Tue, Oct 13, 2020 at 05:49:11PM +0200, Florian Weimer wrote:
> * Rich Felker:
>
> > I don't like that this is storing unbounded-size state in the
> > attribute object, and the obvious solution to the first question (and
> > the second) is that chroot should not be an attribute but a file
> > action, the same way chdir (newly added) is.
>
> I think a chroot action should be interspersed with other file actions,
> so that file action are impacted by it. For example, it enables
> subsequent open actions to rely on the lookup-constraining properties of
> chroot. That's why I think it's useful.
Right, that's what I meant by saying it should be a file action --
that it should be executed in the normal sequence of file actions
according to the order they were added.
Rich
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