raspap-webgui/includes/openvpn.php

<?php

include_once('includes/status_messages.php');

/**
 *
 * Manage OpenVPN configuration
 *
 */
function DisplayOpenVPNConfig()
{

    exec('cat '. RASPI_OPENVPN_CLIENT_CONFIG, $returnClient);
    exec('cat '. RASPI_OPENVPN_SERVER_CONFIG, $returnServer);
    exec('pidof openvpn | wc -l', $openvpnstatus);

    // parse client settings
    foreach ($returnClient as $a) {
        if ($a[0] != "#") {
            $arrLine = explode(" ", $a) ;
            $arrClientConfig[$arrLine[0]]=$arrLine[1];
        }
    }

    // parse server settings
    foreach ($returnServer as $a) {
        if ($a[0] != "#") {
            $arrLine = explode(" ", $a) ;
            $arrServerConfig[$arrLine[0]]=$arrLine[1];
        }
    }
    echo renderTemplate("openvpn", compact(
        "status",
        "openvpnStatus"
    ));

}

/**
*
*
*/
function SaveOpenVPNConfig()
{
    if (isset($_POST['SaveOpenVPNSettings'])) {
        // TODO
    } elseif (isset($_POST['StartOpenVPN'])) {
        echo "Attempting to start openvpn";
        exec('sudo systemctl start openvpn.service', $return);
        foreach ($return as $line) {
            $status->addMessage($line, 'info');
        }
    } elseif (isset($_POST['StopOpenVPN'])) {
        echo "Attempting to stop openvpn";
        exec('sudo systemctl stop openvpn.service', $return);
        foreach ($return as $line) {
            $status->addMessage($line, 'info');        
        }
   }
}
?>