On Thu, Dec 28, 2017 at 10:36:05PM -0800, Robin Lee Powell wrote:
> On Mon, Dec 25, 2017 at 10:08:33AM -0800, Robin Lee Powell wrote:
> > On Mon, Dec 25, 2017 at 10:01:16AM -0800, Robin Lee Powell wrote:
> > >
> > > On a host with unconfined disabled, running this as a
> > > staff_u/staff_t user:
> > >
> > > [sampre_mw@jukni ~]$ systemctl --user status
> > > Failed to read server status: Access denied
> > >
> > > worked until recently. I just upgraded to Fedora 27, but I *think*
> > > this worked after the upgrade, so I don't know what's going on
> > > there.
> > >
> > > I get nothing whatever in auditd, which is weird. In syslog I get:
> > >
> > > Dec 25 09:48:07 jukni systemd[669]: selinux: avc: denied { status } for auid=n/a uid=1086 gid=1086 cmdline="" scontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tcontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tclass=system permissive=0
> > >
> > > Further, this:
> > >
> > > [sampre_mw@jukni ~]$ systemctl --user restart lojban_mediawiki_web
> > > Failed to restart lojban_mediawiki_web.service: Access denied
> > > See user logs and 'systemctl --user status lojban_mediawiki_web.service' for details.
> > >
> > > Gives this in syslog:
> > >
> > > Dec 25 09:49:06 jukni systemd[669]: selinux: avc: denied { start } for auid=n/a uid=1086 gid=1086 path="/home/sampre_mw/.config/systemd/user/lojban_mediawiki_web.service" cmdline="" scontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tcontext=staff_u:object_r:systemd_unit_file_t:s0 tclass=service permissive=0
> > >
> > > I can't find anything in sesearch about self:system, and all I can
> > > find in
> > > https://github.com/TresysTechnology/refpolicy.git or
> > > https://github.com/TresysTechnology/refpolicy-contrib.git is:
> > >
> > > policy/modules/kernel/kernel.te
> > > 481: allow can_load_kernmodule self:system module_load;
> > >
> > > policy/modules/system/init.te
> > > 225: allow init_t self:system { status reboot halt reload };
> > >
> > > It strikes me as unlikely that F27 *actually* shipped with a setup
> > > that makes systemctl user operations not work.
> > >
> > > I don't have a comparable user to test with, really, but at first
> > > glance my other F27 systems seem OK.
> > >
> > > Any idea what I broke?
> >
> > I have confirmed that a comparable user on one of my other F27
> > systems works fine.
> >
> > Does it seem like a relabel reboot would be worthwhile?
> >
> > Also, what should the type of user unit files be?
> >
> > [sampre@vrici ~]$ ls -lZ ~/.config/systemd/user/
> > total 8
> > drwxr-xr-x. 2 sampre sampre staff_u:object_r:user_home_t:s0 66 Feb 6 2017 default.target.wants
> > -rw-rw-r--. 1 sampre sampre staff_u:object_r:user_home_t:s0 417 Jul 14 00:32 jbotcan_database.service
> > -rw-rw-r--. 1 sampre sampre staff_u:object_r:user_home_t:s0 419 Jul 14 00:32 jbotcan_site.service
> >
> > ^^ that's on the system that's working, but setting it to
> > user_home_t on the other system doesn't seem to help anything.
>
> I have done a relabel reboot; it didn't help. I've upgraded
> everything to F27 latest.
>
> I have no idea where to go from here; any hints? Is there a more
> active place to ask SELinux questions?
I also checked that sysadm_u and user_u can't run "systemctl --user
status" either, so it's not just that staff_u is broken in some way.
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