[systemd-devel] Make X11 logind session unconditionally active

[Ivan Shapovalov]

On Tuesday 05 November 2013 at 11:15:30, Lennart wrote:
> On Tue, 05.11.13 12:37, Ivan Shapovalov (intelfx100 at gmail.com) wrote:
> 
> > > > So the question is: it is possible to mark a session as "always 
active"
> > > > or something like that?
> > > 
> > > Well, that should be the case implicitly if the session is properly
> > > registered. What does "loginctl show-session" print for this session?
> > > 
> > > Lennart
> > > 
> > > 
> > 
> > Yes, I had the session bound to seat0.
> > Configuring lightdm to use an empty seat made the session Active=yes.
> > 
> > $ loginctl show-session c37
> > Id=c37
> > Timestamp=Вт 2013-11-05 12:22:13 MSK
> > TimestampMonotonic=59464298414
> > VTNr=0
> > Display=localhost:10
> > Remote=no
> > Service=lightdm
> > Scope=session-c37.scope
> > Leader=25926
> > Audit=0
> > Type=x11
> > Class=user
> > Active=yes
> > State=active
> > IdleHint=no
> > IdleSinceHint=0
> > IdleSinceHintMonotonic=0
> > Name=intelfx
> > 
> > However, this still isn't exactly what I want. Now the session has no 
seat, so
> > 1. udisks does not allow me to mount removables without authentication;
> > 2. I suppose the dynamic device node permission stuff won't work for me 
either.
> > 
> > So I want that session to be equivalent to a local one in terms of 
permissions etc...
> > Is it somehow possible?
> 
> So you want something like a "hybrid" session, i.e. one that is virtual
> but has access to local devices? That's a special setup that is not
> supported by logind itself. However note that you can express any
> policies you like with polkit, hence you can configure it to grant
> access to the devices to your user even if he is not logged into a
> physical session. But that's something you have to do unrelated to
> logind.
> 
> Lennart
> 

Yes, I want something like that...
Is it not supported _yet_ or _by design_? I suspect it is a valuable thing to 
have.

Sure, I can try to configure polkit, but will that grant me permissions on 
device nodes (e. g. printers)?

-- 
Ivan Shapovalov / intelfx /