Index: backup_migrate.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/backup_migrate/backup_migrate.module,v
retrieving revision 1.4.2.3
diff -u -p -r1.4.2.3 backup_migrate.module
--- backup_migrate.module	10 May 2010 04:22:23 -0000	1.4.2.3
+++ backup_migrate.module	7 Sep 2010 04:14:00 -0000
@@ -616,7 +616,8 @@ function backup_migrate_ui_manual_restor
  * The restore submit. Do the restore.
  */
 function backup_migrate_ui_manual_restore_form_submit($form, &$form_state) {
-  if ($file = file_save_upload('backup_migrate_restore_upload')) {
+  $validators = array('file_validate_extensions' => array('gz zip sql'));
+  if ($file = file_save_upload('backup_migrate_restore_upload', $validators)) {
     backup_migrate_include('destinations');
     backup_migrate_perform_restore('upload', $file->uri, $form_state['values']);
   }