Mod-vhost-ldap-per-request-document-root is a project mainly written in C, based on the View license.
mod-vhost-ldap Debian package with per request document root enabled
mod-vhost-ldap is Apache 2.x module for storing and configuring Virtual Hosts from LDAP. It supports DocumentRoot, ScriptAlias, ServerName, ServerAlias, ServerAdmin and SuexecUserGroup directives. . It's build on top of mod_ldap, so it uses it's caching capabilities and can be used with threaded apache.