Fix #4916
diff --git a/system/libraries/Session/drivers/Session_database_driver.php b/system/libraries/Session/drivers/Session_database_driver.php
index cb152f9..6a7282b 100644
--- a/system/libraries/Session/drivers/Session_database_driver.php
+++ b/system/libraries/Session/drivers/Session_database_driver.php
@@ -354,7 +354,7 @@
{
if ($this->_platform === 'mysql')
{
- $arg = $session_id.($this->_config['match_ip'] ? '_'.$_SERVER['REMOTE_ADDR'] : '');
+ $arg = md5($session_id.($this->_config['match_ip'] ? '_'.$_SERVER['REMOTE_ADDR'] : ''));
if ($this->_db->query("SELECT GET_LOCK('".$arg."', 300) AS ci_session_lock")->row()->ci_session_lock)
{
$this->_lock = $arg;
@@ -417,4 +417,4 @@
return parent::_release_lock();
}
-}
\ No newline at end of file
+}
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index e8498b4..36b5d51 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -16,6 +16,7 @@
- Fixed a bug (#4679) - :doc:`Input Library <libraries/input>` method ``ip_address()`` didn't properly resolve ``$config['proxy_ips']`` IPv6 addresses.
- Fixed a bug (#4902) - :doc:`Image Manipulation Library <libraries/image_lib>` processing via ImageMagick didn't work.
- Fixed a bug (#4905) - :doc:`Loader Library <libraries/loader>` didn't take into account possible user-provided directory paths when loading helpers.
+- Fixed a bug (#4916) - :doc:`Session Library <libraries/session>` with ``sess_match_ip`` enabled was unusable for IPv6 clients when using the 'database' driver on MySQL 5.7.5+.
Version 3.1.2
=============