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Date:      Wed, 16 Apr 2008 16:48:58 +1000
From:      Da Rock <rock_on_the_web@comcen.com.au>
To:        freebsd-ports@freebsd.org
Subject:   Re: Openldap server install failure - openldap client conflict
Message-ID:  <1208328538.16346.344.camel@laptop2.herveybayaustralia.com.au>
In-Reply-To: <480596B8.1070305@infracaninophile.co.uk>
References:  <1208307277.16346.305.camel@laptop2.herveybayaustralia.com.au> <480596B8.1070305@infracaninophile.co.uk>

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On Wed, 2008-04-16 at 07:03 +0100, Matthew Seaman wrote:
> Da Rock wrote:
> > I'm trying to install OpenLDAP as a server to "attempt" to try it out
> > for our network. The problem is the openldap client is already installed
> > for other apps as php, apache, asterisk, etc. So my question is: is it
> > possible to uninstall the client? Will the server include the client
> > required for these other apps?
> 
> The client installs libldap.so and liblber.so (plus variants based on
> OpenLDAP version and ABI version) -- like so for OpenLDAP 2.3:
> 
> /usr/local/lib/liblber-2.3.so
> /usr/local/lib/liblber-2.3.so.2
> /usr/local/lib/liblber.a
> /usr/local/lib/liblber.la
> /usr/local/lib/liblber.so
> /usr/local/lib/libldap-2.3.so
> /usr/local/lib/libldap-2.3.so.2
> /usr/local/lib/libldap.a
> /usr/local/lib/libldap.la
> /usr/local/lib/libldap.so
> /usr/local/lib/libldap_r-2.3.so
> /usr/local/lib/libldap_r-2.3.so.2
> /usr/local/lib/libldap_r.a
> /usr/local/lib/libldap_r.la
> /usr/local/lib/libldap_r.so
> 
> (OpenLDAP 2.4 does similarly except replace '2.3' with '2.4')  If you
> force uninstall openldap-client, then everything depending on it will
> refuse to run because of the unfulfilled shlib dynamic linkage.
> 
> One of the programs that depends on the client is OpenLDAP-server -- so
> just by typing
> 
>     portinstall net/openldap23-server
> 
> you'll cause openldap23-client (or openldap23-sasl-client) to be installed
> as a normal consequence of ports dependency resolution.  The problem comes
> if you've already got, say, openldap23-client installed and you want
> openldap24-client -- other applications: Apache, PHP etc. will work with
> just about any LDAP version but openldap-server needs the matching client
> version.  The solution is something like this:
> 
>    # portupgrade -o net/openldap24-client -f openldap-client-2.3.41
>    # portupgrade -fr openldap-client-2.4.8
> 
> to switch from the 23 series to the 24 series.  Also -- handy tip -- 
> adding flags like the following to /etc/make.conf will generally enable
> LDAP and SASL capabilities for any ports that can support them.  (SASL highly
> recommended for securing access to LDAP, and also LDAP highly recommended
> as a back-end for SASL...)
> 
> WITH_SASL=      yes
> WITH_LDAP=	yes
> WANT_OPENLDAP_VER=      23
> WANT_OPENLDAP_SASL=     yes
> 
> However, don't insert the 'WANT_OPENLDAP_VER' line into /etc/make.conf
> until /after/ you've got the right openldap-client port installed, as it
> screws up switching between versions.
> 
> 23 is the default stable release, 24 is also available but still in beta.
> 

So my question was if I install the server I'll get the client, and
you're saying yes? If thats the case then, why is it stopping because
the client is already installed?

> > And while I'm here... I tried installing the odbc backend, but it
> > conflicts with other apps as well. How can I have both the libiodbc and
> > unixodbc at the same time for openldap server (requires libiodbc), php5,
> > etc?
> 
> Do you really need the odbc *backend* for LDAP?  That allows LDAP to store
> its data in a MSSQL database somewhere -- which implies the data store is on
> a different server to the OpenLDAP instance.  That's not ideal for good
> performance.  Unless you know you have a specific need for one of the particular
> back-ends and certainly if you are a beginner with openldap, I'd strongly
> recommend sticking with the default local storage based on Berkeley DB.
> 

Actually I thought it covered most sql servers not just mssql- if thats
the case then good bye for sure. I was interested in maybe mysql though-
this is not usable for that I take it?

> If your aim is to interoperate with ActiveDirectory then I believe that is
> possible at the LDAP level via the usual delegation and referral mechanisms.
> It may even be possible to replicate either to or from AD or to use OpenLDAP
> (+ Kerberos + Samba v4 I think) as a drop in replacement for AD.  I have no
> direct knowledge of that, but I'm sure a little Google action will turn up
> any number of HowTos on the subject.
> 

Replacing a Windows server would be a nice goal... I will succeed on
that one in the near future- just not this project.

Thanks for the help.




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