s4:objectclass LDB module - implement additional delete constraint checks

[Matthias Dieter Wallnöfer]

Hi ekacnet,

Matthieu Patou wrote:
> Could it be possible to be a bit less "violent" here ?
> This change breaks upgradeprovision in full mode when upgrading at 
> least alpha10 but I'm pretty sure that alpha8,9 and 11 are broken too ...
>
> The thing is that old provision do not have the rid_set ... it seems :
everything what I implement is stated in MS-ADTS and is tested by me 
against Windows Server as far as possible.
If you need weaker checks (e.g. in the "objectclass" LDB module) then 
please use the RELAX control - this should bypass them.

Matthias