[SSSD] krb5 ticket renewal via gnome-screensaver not working
Sumit Bose
sbose at redhat.com
Wed Nov 11 08:35:21 UTC 2009
On Tue, Nov 10, 2009 at 11:36:45PM -0500, Brian J. Murrell wrote:
> On Mon, 2009-11-09 at 21:19 +0100, Sumit Bose wrote:
> >
> > Does this mean you are still seeing [Credentials cache I/O operation
> > failed XXX] in krb5_child.log?
>
> No. I am seeing nothing new at all in the krb5_child.log when
> authentications happen.
>
> > this indicates that everything is ok, please send krb5_child.log, if
> > possible with debug level 10.
>
> Even with debug level 10, there is nothing new in the krb5_child.log:
>
> $ ls -ltar /var/log/sssd/
> total 420
> -rw------- 1 root root 438 2009-11-09 09:23 krb5_child.log
> drwxr-xr-x 15 root root 4096 2009-11-10 07:41 ..
> drwxr-xr-x 2 root root 4096 2009-11-10 23:32 .
> -rw------- 1 root root 152408 2009-11-10 23:32 sssd_pam.log
> -rw------- 1 root root 238167 2009-11-10 23:32 sssd_KRB.log
>
> I have "debug_level = 10" in my [domain/KRB] as well as the [pam]
> section.
>
> Also, I asked previously why I would want per-login unique ccache files
> with:
>
> krb5_ccname_template = FILE:%d/krb5cc_%U_XXXXXX
>
> but nobody answered. Do I really want this or is a single ccache file
> per user (i.e. drop the _XXXXXX in the template) not more ideal?
>
> b.
>
ah, sorry, I misinterpreted your original post. I thought a ccache file
wasn't created at all when using gnome-screensaver. You are right, if
you use 'krb5_ccname_template = FILE:%d/krb5cc_%U_XXXXXX' with the
current version every authentication will create a new ccache file. If
you want to renew the TGT with every authentication you have to use a
per-user unique ccache file, e.g. FILE:%d/krb5cc_%U.
We are currently discussing how to handle renewals in a more general way
so that it would be possible to renew FILE:%d/krb5cc_%U_XXXXXX-style
files too.
HTH.
bye,
Sumit
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