[LightDM] lightdm and kerberos on fedora 22 does not work

[Rex Dieter]

François Dagorn wrote:

> Hello all,
> 
> I'm currently migrating to kerberos authentication. Authentication runs
> well using ssh, does not run for lightdm. I'have left things unchanged
> within /etc/pam.d for lightdm. Stuffs involved follows
> (/etc/pam.d/system-auth, /etc/pam.d/lightdm, login traces ...
...
> Dec  2 09:53:32 localhost audit: <audit-1130> pid=1 uid=0 auid=4294967295
> ses=4294967295 msg='unit=fprintd comm="systemd"
> exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
> Dec  2 09:53:36 localhost audit: <audit-1100> pid=2763 uid=0
> auid=4294967295 ses=4294967295 msg='*op=PAM:authentication grantors=?*
> acct="dagorn" exe="/usr/sbin/lightdm" hostname=? addr=? terminal=:0
> res=failed'

this appears to be a selinux denial, could you try running in permissive 
mode(*) to see if that helps?  If so, please file a bug @ 
bugzilla.redhat.com against selinux-policy

(*) Either (as root) run "setenforce 0", or set SELINUX=permissive in 
/etc/sysconfig/selinux (and reboot)

-- Rex