hestiacp/web/start/service/index.php

<?php
use function Hestiacp\quoteshellarg\quoteshellarg;

// Init
ob_start();
include($_SERVER['DOCUMENT_ROOT']."/inc/main.php");

// Check token
verify_csrf($_GET);

if ($_SESSION['userContext'] === 'admin') {
    if (!empty($_GET['srv'])) {
        if ($_GET['srv'] == 'iptables') {
            exec(HESTIA_CMD."v-update-firewall", $output, $return_var);
        } else {
            $v_service = quoteshellarg($_GET['srv']);
            exec(HESTIA_CMD."v-start-service ".$v_service, $output, $return_var);
        }
    }
    if ($return_var != 0) {
        $error = implode('<br>', $output);
        if (empty($error)) {
            $error =  _('Start "%s" failed', $v_service);
        };
        $_SESSION['error_srv'] = $error;
    }
    unset($output);
}

header("Location: /list/server/");
exit;