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

45 lines
1.0 KiB
PHP

<?php
header('Content-Type: text/plain');
ini_set('error_reporting', 0);
$redis = new Redis();
$redis->connect('redis-mailcow', 6379);
function in_net($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, $mask);
}
try {
foreach ($redis->hGetAll('WHITELISTED_FWD_HOST') as $host => $source) {
if (in_net($_GET['host'], $host)) {
echo '200 PERMIT';
exit;
}
}
echo '200 DUNNO';
}
catch (RedisException $e) {
echo '200 DUNNO';
exit;
}
?>