mailcow/data/conf/rspamd/dynmaps/forwardinghosts.php

57 lines
1.3 KiB
PHP

<?php
header('Content-Type: text/plain');
require_once "vars.inc.php";
ini_set('error_reporting', 0);
function in_net($addr, $net)
{
$net = explode('/', $net);
if (count($net) > 1)
$mask = $net[1];
$net = inet_pton($net[0]);
$addr = inet_pton($addr);
$length = strlen($net); // 4 for IPv4, 16 for IPv6
if (strlen($net) != strlen($addr))
return FALSE;
if (!isset($mask))
$mask = $length * 8;
$addr_bin = '';
$net_bin = '';
for ($i = 0; $i < $length; ++$i)
{
$addr_bin .= str_pad(decbin(ord(substr($addr, $i, $i+1))), 8, '0', STR_PAD_LEFT);
$net_bin .= str_pad(decbin(ord(substr($net, $i, $i+1))), 8, '0', STR_PAD_LEFT);
}
return substr($addr_bin, 0, $mask) == substr($net_bin, 0, $mask);
}
$dsn = $database_type . ':host=' . $database_host . ';dbname=' . $database_name;
$opt = [
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
PDO::ATTR_EMULATE_PREPARES => false,
];
try {
$pdo = new PDO($dsn, $database_user, $database_pass, $opt);
$stmt = $pdo->query("SELECT host FROM `forwarding_hosts`");
$networks = $stmt->fetchAll(PDO::FETCH_COLUMN);
foreach ($networks as $network)
{
if (in_net($_GET['host'], $network))
{
echo '200 permit';
exit;
}
}
echo '200 dunno';
}
catch (PDOException $e) {
echo '200 dunno';
exit;
}
?>