diff -u -p httpauth/httpauth.module httpauth.new/httpauth.module
--- httpauth/httpauth.module  2008-10-23 00:54:38.000000000 -0700
+++ httpauth.new/httpauth.module 2009-09-25 23:26:18.000000000 -0700
@@ -138,6 +138,18 @@ function httpauth_boot() {
       return;
     }

+    // Allow authentication via LDAP
+   drupal_load('module', 'ldapauth');
+   if (function_exists('ldapauth_authenticate')) {
+     require_once('includes/common.inc');
+      require_once('includes/unicode.inc');
+     require_once('includes/form.inc');
+     drupal_load('module', 'user');
+      require_once(drupal_get_path('module', 'ldapauth') .'/includes/LDAPInterface.inc');
+      $form_state = array('values' => array('name' => $name, 'pass' => $pass));
+      ldapauth_authenticate($form_state['values']);
+    }
+
     require_once('includes/form.inc');
     drupal_load('module', 'user');
     if (user_is_blocked($name) || drupal_is_denied('user', $name)) {