Re: Can I list all users defined in LDAP (on RHEL6 or Fedora) ?

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On Wed, 2012-01-04 at 13:51 +0100, Pavel Lisy wrote:
> Stephen Gallagher píše v St 04. 01. 2012 v 07:31 -0500:
> > On Wed, 2012-01-04 at 12:03 +0100, Pavel Lisy wrote:
> > > Stephen Gallagher píše v Út 03. 01. 2012 v 16:10 -0500:
> > > > On Tue, 2012-01-03 at 15:51 -0500, Peter Larsen wrote:
> > > > > Pavel,
> > > > > Are you sure the LDAP server allows listing all users? It's quite normal
> > > > > to turn that off.
> > > > 
> > > > By default, SSSD doesn't allow listing all users/groups because it
> > > > presents significant load on the server. You can enable it by adding
> > > > 'enumerate = True' to the [domain/default] section
> > > > of /etc/sssd/sssd.conf and then restarting SSSD (with 'service sssd
> > > > restart')
> > > It was it thanks a lot. My LDAP DB is not big so performance is not problem.
> > > 
> > > > In general, you probably want to review what your scripts are doing and
> > > > see if you can't make them more efficient by using specific lookups.
> > > 
> > > I use it to get list of all active users to create homedirs and ssh keys
> > > for them (for example). It is much simpler to use shell utils than write
> > > perl script to connect to LDAP directly.
> > > 
> > > Is it possible to set sssd to list only active users - set custom
> > > filter? Now it lists all users (inactive include samba/computer
> > > accounts)
> > > 
> > > I use this filter in /etc/ldap.conf now:
> > > nss_base_passwd   ou=People,dc=company,dc=org?one?|(sambaAcctFlags=[UX])
> > > 
> > > I've found only this:
> > > access_provider = ldap
> > > ldap_access_filter = sambaAcctFlags=[UX]
> > > 
> > > but it doesn't change list of 
> > > getent passwd
> > > 
> > > Any idea how to solve it?
> > 
> > 
> > We just added this feature in SSSD 1.7.0 (which I'm going to be putting
> > in updates-testing for F16 today). You'll be able to do:
> > 
> > ldap_user_search_base =
> > ou=People,dc=company,dc=org?one?(sambaAcctFlags=[UX])
> > 
> > ldap_group_search_base =
> > ou=Groups,dc=company,dc=org?one?|(sambaAcctFlags=[UX])
> 
> Excelent! 
> 
> I've just found in (fedora) documentation that it is possible 
> filter it by:
> ldap_user_search_filter = (sambaAcctFlags=[UX]
> 
> It works in sssd-1.6.3 (my F16).
> 
> But I've tried it (and need it too) in RHEL6/CentOS6 and there is older
> version sssd-1.5.1-66 which doesn't support this feature yet. 
> 
> Do you think you/they will increase version of sssd in next RHEL update
> (6.3)? 
> I suppose not. So I'll need to disable sssd and use nss-pam-ldapd
> instead.


The plan for RHEL 6.3 is to rebase SSSD to 1.8.0

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