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Message-ID: <cfe9053d-82d0-08f9-35ad-9bfaf68041d3@adelielinux.org>
Date: Fri, 27 Dec 2019 05:53:15 -0600
From: "A. Wilcox" <awilfox@...lielinux.org>
To: musl@...ts.openwall.com
Cc: Justin <exitworld@...anota.com>
Subject: Re: utmp.h
On 26/12/2019 20:49, exitworld@...anota.com wrote:
>
> I believe the paths to utmp and wtmp are defined wrong in utmp.h. Right
> now they are defined in dev/null, when they should be /var/run/utmp and
> /var/log/wtmp. Please see man utmp(5) and the FHS 5.10.2 and 5.13.2
>
> you can respond if you'd like
>
> thank you,
> justin
Hi there Justin,
musl does not implement the utmp/wtmp family of functions itself[1]; it
only provides stubs so that software that uses them can build (but those
functions requiring utmp/wtmp will not work).
For full operation with the utmp(x) functions, you will need to use
something like skarnet's utmps[2], which implements these functions in a
secure manner. Right now, there are only two distributions which offer
utmps: Adélie and NixOS. I am not sure how well-integrated utmps is in
to NixOS, but at Adélie we have fully integrated it and all packages
that utilise the utmp functions work fully as intended.
I hope this helps.
Best,
--arw
[1]:
https://wiki.musl-libc.org/faq.html#Q:-Why-is-the-utmp/wtmp-functionality-only-implemented-as-stubs?
(though we at Adélie, obviously, disagree with the rationale)
[2]: https://skarnet.org/software/utmps/
--
A. Wilcox (awilfox)
Project Lead, Adélie Linux
https://www.adelielinux.org
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