2 files changed, 32 insertions, 2 deletions
diff --git a/modules/system/system.api.php b/modules/system/system.api.php
index a4ca25049..4f2ec074b 100644
--- a/modules/system/system.api.php
+++ b/modules/system/system.api.php
@@ -731,7 +731,7 @@ function hook_system_info_alter(&$info, $file) {
  * Permissions are checked using user_access().
  *
  * For a detailed usage example, see page_example.module.
- * 
+ *
  * @return
  *   An array of which permission names are the keys and their corresponding
  *   values are descriptions of each permission.
@@ -2189,7 +2189,27 @@ function hook_profile_tasks() {
     'myprofile_final_site_setup' => array(
     ),
   );
-  return $tasks; 
+  return $tasks;
+}
+
+/**
+ * Change the page the user is sent to by drupal_goto().
+ *
+ * @param $args
+ *   The array keys are the same as drupal_goto() arguments and the array can
+ *   be changed.
+ *   <code>
+ *     $args = array(
+ *       'path' => &$path,
+ *       'query' => &$query,
+ *       'fragment' => &$fragment,
+ *       'http_response_code' => &$http_response_code,
+ *     );
+ *   </code>
+ */
+function hook_drupal_goto_alter(array $args) {
+  // A good addition to misery module.
+  $args['http_response_code'] = 500;
 }
 
 /**
diff --git a/modules/system/system.install b/modules/system/system.install
index f22a6f2b5..4757d9b75 100644
--- a/modules/system/system.install
+++ b/modules/system/system.install
@@ -1316,6 +1316,13 @@ function system_schema() {
         'not null' => TRUE,
         'default' => '',
       ),
+      'ssid' => array(
+        'description' => "Unique key: Secure session ID. The value is generated by PHP's Session API.",
+        'type' => 'varchar',
+        'length' => 64,
+        'not null' => FALSE,
+        'default' => NULL,
+      ),
       'hostname' => array(
         'description' => 'The IP address that last used this session ID (sid).',
         'type' => 'varchar',
@@ -1347,6 +1354,9 @@ function system_schema() {
       'timestamp' => array('timestamp'),
       'uid' => array('uid'),
     ),
+    'unique keys' => array(
+      'ssid' => array('ssid'),
+    ),
     'foreign keys' => array(
       'uid' => array('users' => 'uid'),
     ),