[Freeipa-users] Single mail deployment i an FreeIPA-WindowsAD scenario.

[Martin Kosek]

On 05/27/2015 10:08 AM, Alexander Bokovoy wrote:
> On Wed, 27 May 2015, Martin Kosek wrote:
>> On 05/26/2015 07:36 PM, Carlos Raúl Laguna wrote:
>>> Hello Martin,
>>>
>>> The email deployment it is a groupware in this scenario Kolab, kolab use
>>> 389 ad as main backend and it require some kolab ldap specific attribute to
>>> work properly, this is not a problem in fact is quite easy to use freeipa
>>> as kolab backend, so far so good but the romance only get this far. Since
>>> we also use Windows Ad with forest-trust not all user are present in the
>>> FreeIPA directory and there it is where my problem lays. Since not all user
>>> are in the same box it become difficult to implement one mail system for
>>> all users. Regards
>>
>> As I said, we have compat tree that allows LDAP BIND authentication and LDAP
>> identity (not enumeration) for both IPA users and AD users when realm is in
>> place.
>>
>> You can even update the configuration of the compat tree and add the kolab
>> specific fields to be generated there too. There was very similar request on
>> freeipa-users. It was for vSphere, but dealing with very similar use case and
>> the final solution:
>>
>> http://www.freeipa.org/page/HowTo/vsphere5_integration
>>
>> Would that approach work for you?
> I don't think it will work. compat tree is run-time read-only view of
> the data coming from somewhere else. You need to have Kolab-specific
> data available somewhere to be able to inject it in the compat tree.
> Where would that data be stored for Kolab for AD-specific entries?

It would work as long as the attributes are in the "real" user entries in form
of custom attributes and compat plugin can be updated to add those to compat view.

> Additionally, Kolab wants to modify these custom attributes and compat
> tree simply does not support modification, they all are refused.

If Kolab requires modifications, then this approach would not work with current
FreeIPA implementation, yes.