[SSSD-users] login with shortname in AD cross realm
Simo Sorce
simo at redhat.com
Fri Jan 23 16:52:09 UTC 2015
On Fri, 23 Jan 2015 15:50:52 +0100
Lukas Slebodnik <lslebodn at redhat.com> wrote:
> On (23/01/15 14:33), Longina Przybyszewska wrote:
> >
> >> On (21/01/15 12:26), Longina Przybyszewska wrote:
> >> >Hi,
> >> >Is it possible to configure SSSD to make possible to login with
> >> >short names
> >> across trusty domains?
> >> >The sAMAccount name attribute in AD are unique, and all users
> >> >have Posix
> >> attributes assigned so there is no risk for name mismatch between
> >> different domains.
> >> >
> >> >I use ad provider and all default setting for AD
> >> >backend(gc_search_enable) ;
> >> >
> >> >If use_fully_qualified_names = False only users from client
> >> >machines native
> >> domain can login with shortnames; Users from other domains are
> >> "unknown".
> >> >
> >> >I can successfully make ldapsearch to Global Catalog in top
> >> >domain for login
> >> names=shortname for users from different domains:
> >> >
> >> >ldapsearch -H ldap://ldap.c.example.com:3268 -Y GSSAPI -N -b
> >> "dc=c,dc=example,dc=org"
> >> "(&(objectClass=user)(sAMAccountName=user))"
> >> >user = user-a from a.c.example.org
> >> >user = user-b from b.c.example.org
> >> >
> >> If there aren't the same user names(overlapping IDs) in different
> >> AD domains then it could be possible to configure separate domains
> >> in sssd.conf.
> >>
> >> Each domain should have disabled fqdn.
> >> use_fully_qualified_names = false
> >>
> >> If you plan to use id_provider = ad then you should also disable
> >> subdomain provider to avoin conflicts with other sssd domains.
> >> subdomains_provider = none
> >>
> >> I didn't test such setup. It needn't work but it worth to try it.
> >
> >It seems to work! Thanks!
> >I commented out default_domain_suffix.
> >
> >Yes, we have unique Posix uidNumbers in the whole AD forest.
> Could you share sanitized sssd.conf?
>
> Just in case someone else would like to solve the same problem.
What happens to group memberships that span multiple domains this way ?
Simo.
--
Simo Sorce * Red Hat, Inc * New York
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