Re: SELinux and systemd integration

From: Petr Lautrbach <plautrba@redhat.com>
To: "Paul Moore" <paul@paul-moore.com>,
	"Christian Göttsche" <cgzones@googlemail.com>,
	selinux@vger.kernel.org, selinux-refpolicy@vger.kernel.org
Cc: Lennart Poettering <lennart@poettering.net>
Subject: Re: SELinux and systemd integration
Date: Fri, 16 Jun 2023 07:43:27 +0200	[thread overview]
Message-ID: <87r0qcotc0.fsf@redhat.com> (raw)
In-Reply-To: <CAHC9VhRAXQyzG7OsgXQfWT09qEFQRmeN2foGLGnU8cHdRKePUA@mail.gmail.com>

Paul Moore <paul@paul-moore.com> writes:

> Hello all,
>
> Amongst Christian's various other SELinux contributions, over the past
> several years Christian has been working on improving the SELinux
> integration in systemd.  One of the things that Christian has been
> working on is revamping the SELinux permissions that systemd uses for
> unitfile operations, both to resolve problems and generally improve
> the mapping of permissions to systemd operations.  As this work has
> been languishing for several years, I would like to see if we can get
> things "unstuck" by proposing two things:
>
> 1. I've provided links to the systemd GH PRs below, but I think it
> might be helpful if Christian could provide a quick summary of the new
> permissions, how they map to systemd operations, and how they map to
> the existing SELinux/systemd permissions with a focus on helping
> policy developers migrate existing SELinux policies.
>
> 2. Given the significance of systemd to modern Linux distributions, I
> think it might be a good idea if we selected a SELinux "liaison" for
> the systemd project.  This person, or group of people, would work with
> the systemd folks to keep the SELinux integration in good working
> order, review systemd code as necessary, and help represent the
> SELinux project within systemd.
>
> How does that sound to everyone?  If we are in agreement on #2, and
> assuming he would be willing to help out, I would like to nominate
> Christian as our SELinux liaison to systemd; any objections?  Anyone
> else interested in helping out?

I agree with the Christian's nomination.

As for #1, I looked on both, but I have to admit that I had a lack of
understanding of the problem and so I would need some time to get
into it. Therefore I postponed it due to other priorities, (but never
come back). If it's still open I'll focus on it next week.

> For reference, Christian's systemd PRs on GH:
> * https://github.com/systemd/systemd/pull/10023
> * https://github.com/systemd/systemd/pull/20387
>

Thanks,

Petr