On Thu, Jul 25, 2013 at 03:39:59PM +0200, Tomas Babej wrote:
> On Thursday 25 of July 2013 09:30:22 Jan Cholasta wrote:
> > On 25.7.2013 09:11, Petr Spacek wrote:
> > > On 25.7.2013 09:03, Alexander Bokovoy wrote:
> > >> On Thu, 25 Jul 2013, Petr Spacek wrote:
> > >>> On 24.7.2013 22:18, Tomas Babej wrote:
> > >>>> Hi,
> > >>>>
> > >>>> When converting the result obtained by python-ldap library,
> > >>>> we need to skip unresolved referral entries, since they cannot
> > >>>> be converted.
> > >>>>
> > >>>> https://fedorahosted.org/freeipa/ticket/3814
> > >>>
> > >>> I'm not sure if a simple 'skip it' approach is the right one.
> > >>> Shouldn't it
> > >>> print/log a warning at least? Do you know all implications? Are you sure
> > >>> that this will not break something else silently?
> > >>>
> > >>> (BTW isn't the right approach to fix python-ldap? Or is it a quirk in
> > >>> AD?)
> > >> AD DC often answers with proper result and then several referrals to
> > >> other internal resources to complement the search if you are asking for
> > >> wide-open search (default). We are not interested in these referrals for
> > >> various reasons, including the fact that we are looking at the
> > >> authoritative DC and it has all the needed info.
> > >>
> > >> At best, we could define an option that forces us doing referral chasing
> > >> to fetch remaining results but this is not something really needed right
> > >> now.
> > >
> > > I understand that we don't need referrals now, but the question is
> > > 'Could it break something? Silently? In the future?'.
> > >
> > > E.g. the option 'follow referrals' (defaulting to False) is IMHO much
> > > much better.
> > >
> > > The point is that we don't need to implement referral chasing right now,
> > > just thrown an exception if somebody tries to switch 'follow referrals'
> > > option to True. IMHO this will prevent surprises in the future, because
> > > it is absolutely clear that referrals are not followed.
> > >
> > 
> > IMO a comment is good enough. I don't think adding options that aren't 
> > used anywhere is a good thing to do.
> > 
> > Honza
> > 
> > -- 
> > Jan Cholasta
> 
> I considered adding an options for that, but decided against it in the end
> since it would have to bubble down through many layers, while, as Honza says,
> not being used anywhere.
> 
> To make sure that this change does not cause problems, I think we agree to
> scream at DEBUG level to the log if the referral entry is ignored, and
> at WARNING level if the referral resolution is turned on in underlying library
> on the connection level.
> 
> Tomas

For what it's worth, the SSSD ignores referrals completely when talking
to AD. So disabling or ignoring referrals is the right thing to do here.

_______________________________________________
Freeipa-devel mailing list
[email protected]
https://www.redhat.com/mailman/listinfo/freeipa-devel

Reply via email to