[LightDM] Proposal: two new functions in greeter interface for LightDM

[Robert Ancell]

On Wed, 16 Mar 2016 at 05:21 Scott Balneaves <sbalneav at ltsp.org> wrote:

>
> Within the LTSP project, we'd like to use LightDM as the authentication
> mechanism.  owever, LTSP allows us to run processes on multiple servers.  A
> handy feature for the greeter would be to provide a drop-down of a list of
> servers, which the user could select at login time.  This would then set a
> pam environment variable, which could be picked up by later modules in the
> pam stack to do the necessary plumbing.
>
>
Does the remote server feature work for this?

Configuration is written into
/usr/share/lightdm/remote-sessions/<name>.desktop (same as normal session
files) but you can also set X-LightDM-PAM-Service to the PAM service that
runs.

The greeter can then get the list of these with lightdm_get_remote_sessions
() and authenticates with them using lightdm_greeter_authenticate_remote ().
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