raspap-webgui/ajax/openvpn/del_ovpncfg.php

<?php

require '../../includes/csrf.php';
require_once '../../includes/session.php';
require_once '../../includes/config.php';
require_once '../../src/RaspAP/Auth/HTTPAuth.php';
require_once '../../includes/authenticate.php';
require_once '../../includes/functions.php';

if (isset($_POST['cfg_id'])) {
    $ovpncfg_id = escapeshellcmd($_POST['cfg_id']);
    $ovpncfg_files = pathinfo(RASPI_OPENVPN_CLIENT_LOGIN, PATHINFO_DIRNAME).'/'.$ovpncfg_id.'_*.conf';
    exec("sudo rm $ovpncfg_files", $return);
    $jsonData = ['return'=>$return];
    echo json_encode($jsonData);
}