Apache can be used as an access method for things like svn, trac, and even a whole file system through webdav. And apache also supports authentication through LDAP. Hence Apache can be used to authenticate the services that it provides through LDAP.
Here is how it is done :
For SVN :
<VirtualHost *:80>
ServerName repos.nitt.edu
DocumentRoot "/var/www/svn/DocumentRoot/"
ErrorLog logs/repos.nitt.edu-error_log
CustomLog logs/repos.nitt.edu-access_log combined
<Location /pragyan>
DAV svn
SVNPath /var/www/svn/pragyan
<LimitExcept OPTIONS REPORTGET>
AuthType Basic
AuthBasicProvider ldap
AuthzLDAPAuthoritative off
AuthName “Pragyan SVN LDAP Authentication”
AuthLDAPURL ldap://localhost:389/ou=Pragyan,dc=www,dc=nitt,dc=edu?cn?sub?(objectClass=*)
AuthLDAPGroupAttribute contact
require valid-user
require ldap-group listName=coding,ou=Groups,ou=Pragyan,dc=www,dc=nitt,dc=edu
</LimitExcept>
</Location>
</VirtualHost>
For trac :
<Location "/trac/delta/login">
AuthType Basic
AuthName "Delta Trac LDAP Authentication"
AuthBasicProvider ldap
AuthzLDAPAuthoritative off
AuthLDAPURL ldap://delta.nitt.edu:389/ou=Webteam,dc=delta,dc=nitt.edu?uid?sub?(objectClass=*)
AuthLDAPGroupAttribute memberUid
require valid-user
require ldap-group cn=webteam,ou=Groups,ou=Webteam,dc=delta,dc=nitt.edu
</Location>
Naraio is LAMP like software, It contains Apache, MySQL, PHP, Perl, Openssl, Phpmyadmin, OpenLDAP, Subversion, Ruby, Python, Phpldapadmin, and Trac. Trac and Subversion authenticates users with compiled ldap. Naraio is easy, secure, small and flexible.
Within five minutes, you can setup subversion, trac, and openldap with secure apache.