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authorthomascube <thomas@roundcube.net>2007-03-27 09:34:30 +0000
committerthomascube <thomas@roundcube.net>2007-03-27 09:34:30 +0000
commitaad6e2a9c4857715c8bd56693d21b87dd0c16263 (patch)
treed2c47b6bc708fb7770ffaf9978e42cc5268141f1 /program/include/session.inc
parent6d09984ea83861adb225a985b924eecb948702df (diff)
New session authentication, should fix bugs #1483951 and #1484299; testing required
Diffstat (limited to 'program/include/session.inc')
-rw-r--r--program/include/session.inc37
1 files changed, 36 insertions, 1 deletions
diff --git a/program/include/session.inc b/program/include/session.inc
index 6c4687e68..59631afe1 100644
--- a/program/include/session.inc
+++ b/program/include/session.inc
@@ -36,7 +36,10 @@ function sess_close()
// read session data
function sess_read($key)
{
- global $DB, $SESS_CHANGED;
+ global $DB, $SESS_CHANGED, $SESS_CLIENT_IP;
+
+ if ($DB->is_error())
+ return FALSE;
$sql_result = $DB->query("SELECT vars, ip, ".$DB->unixtimestamp('changed')." AS changed
FROM ".get_table_name('session')."
@@ -46,6 +49,7 @@ function sess_read($key)
if ($sql_arr = $DB->fetch_assoc($sql_result))
{
$SESS_CHANGED = $sql_arr['changed'];
+ $SESS_CLIENT_IP = $sql_arr['ip'];
if (strlen($sql_arr['vars']))
return $sql_arr['vars'];
@@ -59,6 +63,9 @@ function sess_read($key)
function sess_write($key, $vars)
{
global $DB;
+
+ if ($DB->is_error())
+ return FALSE;
$sql_result = $DB->query("SELECT 1
FROM ".get_table_name('session')."
@@ -96,6 +103,9 @@ function sess_destroy($key)
{
global $DB;
+ if ($DB->is_error())
+ return FALSE;
+
// delete session entries in cache table
$DB->query("DELETE FROM ".get_table_name('cache')."
WHERE session_id=?",
@@ -114,6 +124,9 @@ function sess_gc($maxlifetime)
{
global $DB;
+ if ($DB->is_error())
+ return FALSE;
+
// get all expired sessions
$sql_result = $DB->query("SELECT sess_id
FROM ".get_table_name('session')."
@@ -144,6 +157,28 @@ function sess_gc($maxlifetime)
}
+function sess_regenerate_id()
+ {
+ $randlen = 32;
+ $randval = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+ $random = "";
+ for ($i=1; $i <= $randlen; $i++)
+ $random .= substr($randval, rand(0,(strlen($randval) - 1)), 1);
+
+ // use md5 value for id or remove capitals from string $randval
+ $random = md5($random);
+
+ // delete old session record
+ sess_destroy(session_id());
+
+ session_id($random);
+ $cookie = session_get_cookie_params();
+ setcookie(session_name(), $random, $cookie['lifetime'], $cookie['path']);
+
+ return true;
+ }
+
+
// set custom functions for PHP session management
session_set_save_handler('sess_open', 'sess_close', 'sess_read', 'sess_write', 'sess_destroy', 'sess_gc');