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Security fix

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This commit is contained in:
Andreas Österreicher
2009-12-21 16:19:58 +00:00
parent 9d25c10cf5
commit 8e6206384b
1 changed files with 5 additions and 7 deletions
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cis/private/lehre/anwesenheitsliste.php
+5 -7
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@@ -28,32 +28,30 @@
* anwesenheitsliste.php?stg_kz=222&sem=1&lvid=1234
*/
require_once('../../../config/cis.config.inc.php');
// ------------------------------------------------------------------------------------------
// Datenbankanbindung
// ------------------------------------------------------------------------------------------
require_once('../../../include/functions.inc.php');
require_once('../../../include/studiengang.class.php');
require_once('../../../include/lehrveranstaltung.class.php');
if (!$db = new basis_db())
die('Fehler beim Herstellen der Datenbankverbindung');
$error=0;
if(isset($_GET['stg_kz']))
if(isset($_GET['stg_kz']) && is_numeric($_GET['stg_kz']))
$stg_kz=$_GET['stg_kz'];
else
$error=2;
if(isset($_GET['sem']))
if(isset($_GET['sem']) && is_numeric($_GET['sem']))
$sem = $_GET['sem'];
else
$error=2;
if(isset($_GET['lvid']))
if(isset($_GET['lvid']) && is_numeric($_GET['lvid']))
$lvid=$_GET['lvid'];
else
$error=2;
if(isset($_GET['stsem']))
if(isset($_GET['stsem']) && check_stsem($_GET['stsem']))
$stsem = $_GET['stsem'];
else
die('Studiensemester ist ungueltig');