Todo: faille CSRF -- creation d'un jeton alatoire pour valider les requetes POST

This commit is contained in:
Regis Houssin 2009-05-15 12:13:23 +00:00
parent 33df2649ef
commit df37827eb7
2 changed files with 15 additions and 1 deletions

View File

@ -30,10 +30,16 @@ require_once(DOL_DOCUMENT_ROOT."/lib/admin.lib.php");
$langs->load("admin");
//Todo protection faille CSRF !!!
//Todo: protection faille CSRF !!!
if (! empty($_SERVER['HTTP_REFERER']) && !eregi(DOL_MAIN_URL_ROOT, $_SERVER['HTTP_REFERER']))
accessforbidden();
//Todo: Verification de la presence et de la validite du jeton précédent
if (isset($_POST['token']) && isset($_SESSION['oldtoken']))
{
if ($_POST['token'] != $_SESSION['oldtoken']) accessforbidden();
}
if (!$user->admin)
accessforbidden();
@ -141,6 +147,9 @@ if ($result)
print '<input type="hidden" name="action" value="update">';
print '<input type="hidden" name="rowid" value="'.$obj->rowid.'">';
print '<input type="hidden" name="constname" value="'.$obj->name.'">';
// Ajout du nouveau jeton dans les requetes POST
print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
print "<tr $bc[$var] class=value><td>$obj->name</td>\n";

View File

@ -168,6 +168,11 @@ session_name($sessionname);
session_start();
dol_syslog("Start session name=".$sessionname." Session id()=".session_id().", _SESSION['dol_login']=".(isset($_SESSION["dol_login"])?$_SESSION["dol_login"]:'').", ".ini_get("session.gc_maxlifetime"));
//Todo: Creation d'un jeton contre les failles CSRF
$token = md5(uniqid(rand(),TRUE)); // Genere un hash d'un nombre aleatoire
$_SESSION['oldtoken'] = $_SESSION['newtoken']; // roulement des jetons car créé à chaque appel
$_SESSION['newtoken'] = $token;
// Retrieve the entity in login form or in the cookie.
// This must be after the init of session (session_start) or this create serious pb of corrupted session.
/*