wbinbindd fails to update cache (3.0 alpha-20)

jra at dp.samba.org jra at dp.samba.org
Wed Oct 9 22:12:27 GMT 2002

On Wed, Oct 09, 2002 at 03:05:40PM -0700, Jiu Zheng wrote:
> > > I have a win2k domain controller, and winbindd is running on a FreeBSD box.
> > > After a user has been authentiacted (using "wbinfo -a username%password"),
> > > when "Member of" for this user is modified from the domain controller,
> > > "wbinfo -r username" won't returns the new groups, unless you remove file
> > > "winbindd_cache.tdb" then restart winbindd. It seems like winbindd
> > > wouldn't try to refetch the group information after it is cached.
> > >
> > > I post this message to samba-bugs at samba.org a few days ago and no reply
> > > yet. Could anyone look into this please?
> >
> > (Assuming Samba 3.0, I'm not quite sure what ended up in 2.2)
> 2.2.5 does not have such a problem.
> >
> > Yes, this behaviour is by design.  Perhaps we need to reconsider the
> > design.  The problem is that we wanted to avoid an expencive call to the
> > DC for every login, particularly as we are given a full list of the
> > users groups in the reply to the authenticaion request.
> >
> The problem is that it seems the old information is kept in cache forever.
> If we try to avoid expensive calls, can we define a timeout value so we
> don't it very often?

It looks like winbindd is not noticing the SAM id change when the DC
is updated..... I don't think not updating the groups is by design.

The UNIX user is logging off then on again to see the change aren't


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