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Fix a session fixation vulnerability 

- regenerate the session for every successful login
- properly destroy a session

Further information can be found on:
https://en.wikipedia.org/wiki/session_fixation
This commit is contained in:
Florian Preinstorfer 2012-03-13 16:00:53 +01:00 committed by Robin Appelman
parent 2f3c0a6d80
commit b86f2069ff
1 changed files with 4 additions and 2 deletions
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6
lib/user.php
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@ -186,7 +186,7 @@ class OC_User {
* @param $password The password of the user
* @returns true/false
*
* Log in a user - if the password is ok
* Log in a user and regenerate a new session - if the password is ok
*/
public static function login( $uid, $password ){
$run = true;
@ -195,6 +195,7 @@ class OC_User {
if( $run ){
$uid=self::checkPassword( $uid, $password );
if($uid){
session_regenerate_id();
self::setUserId($uid);
OC_Hook::emit( "OC_User", "post_login", array( "uid" => $uid, 'password'=>$password ));
return true;
@ -221,7 +222,8 @@ class OC_User {
*/
public static function logout(){
OC_Hook::emit( "OC_User", "logout", array());
$_SESSION['user_id'] = false;
session_unset();
session_destroy();
OC_User::unsetMagicInCookie();
return true;
}