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RE: Simple question about LDAP and web authentication.
Frankly though, I wonder if OpenLDAP is the right solution for your problem (see OpenID or perhaps just something simple setup in MySQL - [encrypt those passwords! ><] - which you're likely using /anyway/), but moving on...
Apache has pretty good LDAP support - I use it control access to our Subversion repo base:
SVNReposName " Subversion Repository"
AuthName " Subversion Repository"
require ldap-group CN=repos,OU=groups,DC=example,DC=net
(I have further defined groups/access for each repo underneath /svn)
But this is starting to step "Off Topic" - this is just Apache + SVN (via DAV). I'm fairly certain PHP's level of support would be about the same if not better.
Once you've got OpenLDAP up and running and can do basic stuff via ldapsearch/ldapadd/etc, then move on to getting PHP code to work.
PS: http://php.about.com/od/finishedphp1/ss/php_login_code.htm has a decent article that would seem to apply. It doesn't use ldap in any flavor, but if this user db will only be used by PHP, then it would seem appropriate.
From: openldap-technical-bounces+chris.jacobs=apollogrp.edu@OpenLDAP.org [mailto:openldap-technical-bounces+chris.jacobs=apollogrp.edu@OpenLDAP.org] On Behalf Of Buchan Milne
Sent: Tuesday, June 22, 2010 1:19 AM
Cc: Bryan Boone
Subject: Re: Simple question about LDAP and web authentication.
On Tuesday, 22 June 2010 00:37:41 Bryan Boone wrote:
> Hi everyone. I am a noob to LDAP and I have a question.
> I am on a team that is building a special server. This server will be
> running linux with an apache web server with PHP and apache is running a
> special website that we designed.
> I need to have the website be able to query LDAP servers for web
> authentication. So when a user connects to this special web server, they
> are prompted for a user name and password. Then I want to have the
> website check the LDAP server to make sure that the user is indeed a user
> of the website on our special server. So in a sense our special server
> will be an LDAP client.
> So my question is??? Is an LDAP client to be run as a Daemon or service?
No daemon is necessary.
> Is this what OpenLDAP provides?
OpenLDAP provides libraries, a server, and some commandline client utilities.
> Or can I simply use function calls (from
> PHP or C) from the OpenLDAP library for the authentication?
Yes, you can use php_ldap or similar, or you can have your application rely on
the web server to do the authentication. Apache has an authentication module
> Basically all I need is...
> The user brings up the web page.
> The user enters in the user name and password.
> The server uses PHP or C to check to see if the entered information matches
> an LDAP server. The web grants or denies access.
> The LDAP server connection is closed.
> No other actions or information from the LDAP server is needed.
Well, you said you need to "make sure that the user is indeed a user of the
website". Are all users in the LDAP directory users of the website? If not,
you may need a little bit more ...
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