From: "Ludovic Courtès" <ludo@gnu.org>
To: Maxime Devos <maximedevos@telenet.be>
Cc: guix-devel@gnu.org
Subject: Re: Potential security weakness in Guix services
Date: Sat, 06 Feb 2021 22:28:22 +0100 [thread overview]
Message-ID: <87sg68zy15.fsf@gnu.org> (raw)
In-Reply-To: <c6164b827beb62aa8f8f276473081eb7cf557110.camel@telenet.be> (Maxime Devos's message of "Fri, 05 Feb 2021 15:16:39 +0100")
Maxime Devos <maximedevos@telenet.be> skribis:
> On Fri, 2021-02-05 at 13:20 +0100, Maxime Devos wrote:
>> On Fri, 2021-02-05 at 10:57 +0100, Ludovic Courtès wrote:
>> > [...]
>> [...]
>>
>> I'll try to implement this API in Scheme (using the FFI), and post
>> it at https://notabug.org/mdevos/things. I'll post a follow-up
>> messsage once I've implemented the basics (openat, chmodat,
>> chownat).
>
> Ping!
> https://notabug.org/mdevos/things/src/a0715e6758ad43252e16993dcf688a25156057f3/fs-at.scm
Nice!
I just remembered this subtlety: during bootup, the activation code is
evaluated by the Guile that’s in the initrd, which is a
statically-linked Guile, and thus we can’t use ‘dynamic-link’ & co. in
there. :-/
(That’s why we carry ‘guile-linux-syscalls.patch’.)
Ludo’.
next prev parent reply other threads:[~2021-02-06 21:28 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-28 21:53 Potential security weakness in Guix services Leo Famulari
2021-01-29 13:33 ` Maxime Devos
2021-01-29 15:25 ` Maxime Devos
2021-02-01 15:35 ` Ludovic Courtès
2021-02-01 15:47 ` Julien Lepiller
2021-02-01 16:19 ` Maxime Devos
2021-02-02 13:07 ` Ludovic Courtès
2021-02-02 13:38 ` Maxime Devos
2021-02-02 15:30 ` Maxime Devos
2021-02-05 9:57 ` Ludovic Courtès
2021-02-05 12:20 ` Maxime Devos
2021-02-05 14:16 ` Maxime Devos
2021-02-06 21:28 ` Ludovic Courtès [this message]
2021-02-06 22:01 ` Maxime Devos
2021-02-10 20:45 ` Ludovic Courtès
2021-02-06 21:26 ` Ludovic Courtès
2021-02-14 12:29 ` TOCTTOU race (was: Potential security weakness in Guix services) Maxime Devos
2021-02-14 17:19 ` Bengt Richter
2021-02-18 17:54 ` TOCTTOU race Ludovic Courtès
2021-02-19 18:01 ` Maxime Devos
2021-02-22 8:54 ` Ludovic Courtès
2021-02-22 19:13 ` Maxime Devos
2021-02-23 15:30 ` Ludovic Courtès
2021-02-27 7:41 ` Maxime Devos
2021-03-10 10:07 ` Ludovic Courtès
2021-02-10 20:54 ` Potential security weakness in Guix services Christopher Lemmer Webber
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