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From: Philipp Stephani
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Subject: bug#45198: 28.0.50; Sandbox mode
Date: Sat, 17 Apr 2021 21:16:59 +0200
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Cc: =?UTF-8?Q?Jo=C3=A3o_?= =?UTF-8?Q?T=C3=A1vora?= ,
45198@debbugs.gnu.org, Stefan Kangas ,
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Am Sa., 17. Apr. 2021 um 19:22 Uhr schrieb Mattias Engdeg=C3=A5rd :
> > As we gain more experience with these sandboxing mechanisms, we can loo=
k at relaxing these restrictions, but I think initially we should be conser=
vative.
>
> I take the opposite view, but our goals are the same and we will converge=
.
As long as they converge before releasing Emacs 28, fine. After that
it will be very difficult to restrict an initially-open interface.
> >> +Already open descriptors can be used freely. */)
> >
> > What does this mean? Emacs doesn't really expose file descriptors to u=
sers.
>
> It sort of does (in the form of processes), but there could also be descr=
iptors not directly exposed. It would be incomplete not to mention the poss=
ibility. It looks like the seccomp filter generator uses the same policy, t=
reating descriptors as capabilities.
Yes, but since it's only a command-line flag right now, there
shouldn't be any open file descriptors except the standard ones, so
this specific bit of complexity is avoided.