librenms-librenms/html/includes/port-edit.inc.php

<?php

# enable/disable ports/interfaces on devices.

$device_id = intval($_POST['device']);
$rows_updated = 0;

foreach ($_POST as $key => $val)
{
  if (strncmp($key,"oldign_",7) == 0)
  {
    # Interface identifier passed as part of the field name

    $port_id = intval(substr($key,7));

    $oldign = intval($val) ? 1 : 0;
    $newign = $_POST['ignore_'.$port_id] ? 1 : 0;

    # As checkboxes are not posted when unset - we effectively need to do a diff to work
    # out a set->unset case.

    if ($oldign == $newign)
    {
      continue;
    }

    $n = dbUpdate(array('ignore' => $newign), 'ports', '`device_id` = ? AND `port_id` = ?', array($device_id, $port_id));

    if ($n <0)
    {
      $rows_updated = -1;
      break;
    }

    $rows_updated += $n;
  }
  elseif (strncmp($key,"olddis_",7) == 0)
  {
    # Interface identifier passed as part of the field name

    $port_id = intval(substr($key,7));

    $olddis = intval($val) ? 1 : 0;
    $newdis = $_POST['disabled_'.$port_id] ? 1 : 0;

    # As checkboxes are not posted when unset - we effectively need to do a diff to work
    # out a set->unset case.

    if ($olddis == $newdis)
    {
      continue;
    }

    $n = dbUpdate(array('disabled' => $newdis), 'ports', '`device_id` = ? AND `port_id` = ?', array($device_id, $port_id));

    if ($n <0)
    {
      $rows_updated = -1;
      break;
    }

    $rows_updated += $n;
  }
}

if ($rows_updated > 0)
{
  $update_message =  $rows_updated . " Device record updated.";
  $updated = 1;
} elseif ($rows_updated = '-1') {
  $update_message = "Device record unchanged. No update necessary.";
  $updated = -1;
} else {
  $update_message = "Device record update error.";
  $updated = 0;
}

?>