Megan Howell 2022-07-16 16:07:39 -07:00 committed by GitHub
parent f299427ad1
commit 78156484bf
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@ -120,7 +120,7 @@ function validateDHCPInput()
{ {
define('IFNAMSIZ', 16); define('IFNAMSIZ', 16);
$iface = $_POST['interface']; $iface = $_POST['interface'];
if (!preg_match('/^[a-zA-Z0-9]+$/', $iface) if (!preg_match('/^[^\s\/\\0]+$/', $iface)
|| strlen($iface) >= IFNAMSIZ || strlen($iface) >= IFNAMSIZ
) { ) {
$errors .= _('Invalid interface name.').'<br />'.PHP_EOL; $errors .= _('Invalid interface name.').'<br />'.PHP_EOL;