On Sun, Nov 13, 2022 at 4:34 AM Chris Adams <linux@cmadams.net> wrote:

I am starting an SSH VPN connection with a systemd service. It's just a
simple service, with an ExecStart to run ssh. If I wrap it with a shell
(ExecStart=/bin/sh -c "/usr/bin/ssh %i"), it runs; if I take out the
shell wrap (ExecStart=/usr/bin/ssh %i), it fails due to SELinux not
allowing it. If I set permissive mode, there's a whole lot of different
things that init_t is not allowed to do. :)

So obviously I can just run with the shell wrapper, but is there a more
proper way to do this?

You can create your own policy module and use e. g. the init_system_domain() interface.

Does this need to be a system service or would user service also do the job?

--
Chris Adams <linux@cmadams.net>
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Zdenek Pytela

Security SELinux team