Issue #2684535 by larcher: Redirect to original destination after logging in

Author: larcher

simplesamlphp_auth.module

@@ -278,7 +278,8 @@ function simplesamlphp_auth_form_alter(&$form, $form_state, $form_id) {
 
   $login_path = variable_get('simplesamlphp_auth_login_path', 'saml_login');
   $login_name = variable_get('simplesamlphp_auth_login_link_display_name', t('Federated Log In'));
-  $link = l($login_name, $login_path);
+  $destination = drupal_get_destination();
+  $link = l($login_name, $login_path, array('query' => $destination));
 
   // Add SAML login link to user login form.
   if ($form_id == 'user_login_block' || $form_id == 'user_account_form') {