Re: Weird F17 effect: New gdm-3.4.0.1 presents mysql server account on the login screen

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2012/3/30 Ray Strode <rstrode@xxxxxxxxxx>
Hi,

----- Original Message -----
> Anybody sees this too: After applying all F17 updates (including
> gnome-3.4... packages), the GDM login window presents the mysql
> server
> account on the login screen. Why that?
The issue arised, becase we no longer filter users less than UID_MIN in /etc/login.defs

See

https://bugs.freedesktop.org/show_bug.cgi?id=44408

for more backstory.  We made that change because users were disappearing from their user lists
on upgrades, since the default for UID_MIN changed in Fedora.  We rationalized the change as legitimate, and the
previous behavior as wrong because UID_MIN is documented only for user creation, not for user filtering.

I think maybe the solution is to filter out disabled users from the user list.  This is a little complicated, because
we can't query the system for disabled users, afaik.  We can only do heuristics like getspnam() and look at sp_pwdp, but I don't think it will cover every case.

Anyway worth thinking about more.

why not offer to 'root' user a list of users that can be displayed or not on gdm? why not filtering out by defaul the famous non-human users, like mysql and postgresql? 

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