From: Suhail Singh <suhailsingh247@gmail.com>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: Suhail Singh <suhailsingh247@gmail.com>,
Ada Stevenson <adanskana@gmail.com>,
Guix Devel <guix-devel@gnu.org>
Subject: Re: Disabling authentication checks for tests in local Guix checkouts
Date: Mon, 17 Jun 2024 22:36:38 -0400 [thread overview]
Message-ID: <87frtb9du1.fsf@gmail.com> (raw)
In-Reply-To: <871q4v5jb1.fsf@gnu.org> ("Ludovic Courtès"'s message of "Mon, 17 Jun 2024 23:52:02 +0200")
Ludovic Courtès <ludo@gnu.org> writes:
> The challenge is in determining that Guix is running from a local
> checkout. Now that I think about it, it’s not that hard: ./pre-inst-env
> sets ‘GUIX_UNINSTALLED’. So we could do:
>
> #:authenticate? (not (getenv "GUIX_UNINSTALLED"))
>
> Problem is that an attacker could lead a user to disable authentication
> by getting them to set this seemingly unrelated environment variable.
>
> The ‘.git/config’ option you propose is not available because that all
> happens with the Guix-managed cached checkout under
> ~/.cache/guix/checkouts.
Thank you for the detailed explanation.
> Maybe a specific environment variable would do?
Perhaps. What is the threat model of the attacker?
--
Suhail
next prev parent reply other threads:[~2024-06-18 2:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-10 6:20 Disabling authentication checks for tests in local Guix checkouts Ada Stevenson
2024-06-17 13:05 ` Ludovic Courtès
2024-06-17 14:02 ` Suhail Singh
2024-06-17 21:52 ` Ludovic Courtès
2024-06-18 2:36 ` Suhail Singh [this message]
2024-06-18 8:25 ` Ada Stevenson
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