Landlord is a perl based user management utility.

Module API
User :
   add_user
   delete_user
   expire_user
   renew_user
   reset_password
   expire_inactive_users
   delete_defunct_users
   delete_stale_archives

Group :
   add_group groupname
   delete_group groupname
   add_to_group username groupname
   delete_from_group username groupname

Utils
   read_config_file
   init_db
   open_db
   sql_modify
   sql_request
   update_active_status
   refresh_database_info
   refresh_users
   refresh_groups
   refresh_memberships
   generate_password

landlord (unimplemented)
   givelease/lease to => add user
   evict => delete user
   suspend => lock user
   disband => delete group
   group* => make a group
   put <user> in <group>
   kick <user> from <group>