Use session cookie name in gc check
diff --git a/system/libraries/Session/drivers/Session_files_driver.php b/system/libraries/Session/drivers/Session_files_driver.php
index d3ef34a..5852277 100644
--- a/system/libraries/Session/drivers/Session_files_driver.php
+++ b/system/libraries/Session/drivers/Session_files_driver.php
@@ -107,7 +107,7 @@
* Sanitizes the save_path directory.
*
* @param string $save_path Path to session files' directory
- * @param string $name Session cookie name, unused
+ * @param string $name Session cookie name
* @return bool
*/
public function open($save_path, $name)
@@ -332,10 +332,16 @@
$ts = time() - $maxlifetime;
+ $pattern = sprintf(
+ '/^%s[0-9a-f]{%d}$/',
+ preg_quote($this->_config['cookie_name'], '/'),
+ ($this->_config['match_ip'] === TRUE ? 72 : 40)
+ );
+
foreach ($files as $file)
{
// If the filename doesn't match this pattern, it's either not a session file or is not ours
- if ( ! preg_match('/(?:[0-9a-f]{32})?[0-9a-f]{40}$/i', $file)
+ if ( ! preg_match($pattern, $file)
OR ! is_file($this->_config['save_path'].DIRECTORY_SEPARATOR.$file)
OR ($mtime = filemtime($this->_config['save_path'].DIRECTORY_SEPARATOR.$file)) === FALSE
OR $mtime > $ts)