librenms/html/includes/graphs/munin/auth.inc.php

<?php

  if (is_numeric($vars['plugin']))
  {
    $mplug = dbFetchRow("SELECT * FROM `munin_plugins` AS M, `devices` AS D WHERE `mplug_id` = ? AND D.device_id = M.device_id ", array($vars['plugin']));
  } else {
    $mplug = dbFetchRow("SELECT * FROM `munin_plugins` AS M, `devices` AS D WHERE M.`device_id` = ? AND `mplug_type` = ?  AND D.device_id = M.device_id", array($device['device_id'], $vars['plugin']));
  }

  if (is_numeric($mplug['device_id']) && ($auth || device_permitted($mplug['device_id'])))
  {
    $device = &$mplug;
    $title  = generate_device_link($device);
    $plugfile = $config['rrd_dir']."/".$device['hostname']."/munin/".$mplug['mplug_type'];
    $title .= " :: Plugin :: " . $mplug['mplug_type']  . " - " . $mplug['mplug_title'];

    $auth = TRUE;
  }

?>