Gazelle/sections/tools/misc/quick_ban.php

<?php
#declare(strict_types=1);

if (!check_perms('admin_manage_ipbans')) {
  error(403);
}
if (isset($_GET['perform'])) {
  $IPA = substr($_GET['ip'], 0, strcspn($_GET['ip'], '.'));
  if ($_GET['perform'] == 'delete') {
    if (!is_number($_GET['id']) || $_GET['id'] == '') {
      error(0);
    }
    $DB->query('DELETE FROM ip_bans WHERE ID='.$_GET['id']);
    $Bans = $Cache->delete_value('ip_bans_'.$IPA);
  } elseif ($_GET['perform'] == 'create') {
    $Notes = db_string($_GET['notes']);
    $IP = Tools::ip_to_unsigned($_GET['ip']); //Sanitized by Validation regex
    $DB->query("
      INSERT INTO ip_bans (FromIP, ToIP, Reason)
      VALUES ('$IP','$IP', '$Notes')");
    $Cache->delete_value('ip_bans_'.$IPA);
  }
}


?>