Re: Attribute Uniqueness

[Jon Roberts <jon@jonanddeb.net>]

Robert Klopotoski, Jr. wrote:
> > > How do I configure slapd(8) to prevent two objects in the database
> > > from having the same value in a particular attribute?  That is, how do
> > > I configure slapd(8) ensure that values of a particular attribute are
> > > unique throughout the database?
> >
> > man slapo-unique
>
> I have read the man page on slapo-unique, and have the following in my 
> slapd.conf:
>
> overlay unique
> unique_base "dc=myorg,dc=edu"
> unique_attributes maillocaladdress,mail
>
> When I try to start the daemon, I get the following error:
>
> line 140 (overlay unique )
> overlay "unique" not found
>
> What am I missing?  Do I have to install the overlay from source, or is 
> it something built in?

According to configure in the latest version of OpenLDAP, the only 
overlay enabled by default is syncprov. Run configure with either the 
--enable-unique or the --enable-overlays option and the unique overlay 
(or all overlays) should be available in the consequent build.

Jon Roberts
www.mentata.com