[SSSD] [PATCH] Create ghost users when a user DN is encountered in IPA

Jakub Hrozek jhrozek at redhat.com
Thu Oct 11 18:25:03 UTC 2012


On Thu, Oct 11, 2012 at 02:06:22PM -0400, Simo Sorce wrote:
> On Thu, 2012-10-11 at 19:47 +0200, Jakub Hrozek wrote:
> > On Thu, Oct 11, 2012 at 09:44:46AM -0400, Simo Sorce wrote:
> > > On Thu, 2012-10-11 at 10:52 +0200, Jakub Hrozek wrote:
> > > > The IPA has a defined directory tree structure that allows us to guess
> > > > the username from a DN without having to look up the DN in LDAP.
> > > 
> > > Jakub,
> > > it looks like you always take the shortcut in this case.
> > > I am not comfortable with that, I'd rather you check the DN matches the
> > > expected tree structure, and fallback to the classic method if not.
> > > This allows us to future-proof sssd if we were to relax constraints
> > > later on in IPA and allow for adding users and groups in custom OUs,
> > > while keeping the optimization for the current DIT.
> > > 
> > > Simo.
> > 
> > I already check if the DN matches the expected tree structure, check out
> > sdap_nested_get_ipa_user(). But you're right that failure to parse the
> > user should not be fatal. 
> 
> Yup I saw that, sorry for the poor wording, I was only asking for the
> fallback.
> 
> > I attached new patches that fall back to an LDAP lookup if the DN
> > heuristics fail.
> 
> They look good to me, but I wonder, should this be user specific ?
> Or are you going to add a similar set of patches for groups ?

Don't we still need to go to LDAP in case we're processing a group DN to
recurse down that nesting level?



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