102 lines
3.8 KiB
PHP
102 lines
3.8 KiB
PHP
<?php
|
|
function fail2ban($_action, $_data = null) {
|
|
global $redis;
|
|
global $lang;
|
|
switch ($_action) {
|
|
case 'get':
|
|
$f2b_options = array();
|
|
if ($_SESSION['mailcow_cc_role'] != "admin") {
|
|
return false;
|
|
}
|
|
try {
|
|
$f2b_options = json_decode($redis->Get('F2B_OPTIONS'), true);
|
|
$wl = $redis->hGetAll('F2B_WHITELIST');
|
|
if (is_array($wl)) {
|
|
foreach ($wl as $key => $value) {
|
|
$tmp_data[] = $key;
|
|
}
|
|
if (isset($tmp_data)) {
|
|
$f2b_options['whitelist'] = implode(PHP_EOL, $tmp_data);
|
|
}
|
|
else {
|
|
$f2b_options['whitelist'] = "";
|
|
}
|
|
}
|
|
else {
|
|
$f2b_options['whitelist'] = "";
|
|
}
|
|
}
|
|
catch (RedisException $e) {
|
|
$_SESSION['return'] = array(
|
|
'type' => 'danger',
|
|
'msg' => 'Redis: '.$e
|
|
);
|
|
return false;
|
|
}
|
|
return $f2b_options;
|
|
break;
|
|
case 'edit':
|
|
if ($_SESSION['mailcow_cc_role'] != "admin") {
|
|
$_SESSION['return'] = array(
|
|
'type' => 'danger',
|
|
'msg' => sprintf($lang['danger']['access_denied'])
|
|
);
|
|
return false;
|
|
}
|
|
$is_now = fail2ban('get');
|
|
if (!empty($is_now)) {
|
|
$ban_time = intval((isset($_data['ban_time'])) ? $_data['ban_time'] : $is_now['ban_time']);
|
|
$max_attempts = intval((isset($_data['max_attempts'])) ? $_data['max_attempts'] : $is_now['active_int']);
|
|
$retry_window = intval((isset($_data['retry_window'])) ? $_data['retry_window'] : $is_now['retry_window']);
|
|
$netban_ipv4 = intval((isset($_data['netban_ipv4'])) ? $_data['netban_ipv4'] : $is_now['netban_ipv4']);
|
|
$netban_ipv6 = intval((isset($_data['netban_ipv6'])) ? $_data['netban_ipv6'] : $is_now['netban_ipv6']);
|
|
}
|
|
else {
|
|
$_SESSION['return'] = array(
|
|
'type' => 'danger',
|
|
'msg' => sprintf($lang['danger']['access_denied'])
|
|
);
|
|
return false;
|
|
}
|
|
$wl = $_data['whitelist'];
|
|
$f2b_options = array();
|
|
$f2b_options['ban_time'] = ($ban_time < 60) ? 60 : $ban_time;
|
|
$f2b_options['netban_ipv4'] = ($netban_ipv4 < 8) ? 8 : $netban_ipv4;
|
|
$f2b_options['netban_ipv6'] = ($netban_ipv6 < 8) ? 8 : $netban_ipv6;
|
|
$f2b_options['netban_ipv4'] = ($netban_ipv4 > 32) ? 32 : $netban_ipv4;
|
|
$f2b_options['netban_ipv6'] = ($netban_ipv6 > 128) ? 128 : $netban_ipv6;
|
|
$f2b_options['max_attempts'] = ($max_attempts < 1) ? 1 : $max_attempts;
|
|
$f2b_options['retry_window'] = ($retry_window < 1) ? 1 : $retry_window;
|
|
try {
|
|
$redis->Set('F2B_OPTIONS', json_encode($f2b_options));
|
|
$redis->Del('F2B_WHITELIST');
|
|
if(!empty($wl)) {
|
|
$wl_array = array_map('trim', preg_split( "/( |,|;|\n)/", $wl));
|
|
if (is_array($wl_array)) {
|
|
foreach ($wl_array as $wl_item) {
|
|
$cidr = explode('/', $wl_item);
|
|
if (filter_var($cidr[0], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) && (!isset($cidr[1]) || ($cidr[1] >= 0 && $cidr[1] <= 32))) {
|
|
$redis->hSet('F2B_WHITELIST', $wl_item, 1);
|
|
}
|
|
elseif (filter_var($cidr[0], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) && (!isset($cidr[1]) || ($cidr[1] >= 0 && $cidr[1] <= 128))) {
|
|
$redis->hSet('F2B_WHITELIST', $wl_item, 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch (RedisException $e) {
|
|
$_SESSION['return'] = array(
|
|
'type' => 'danger',
|
|
'msg' => 'Redis: '.$e
|
|
);
|
|
return false;
|
|
}
|
|
$_SESSION['return'] = array(
|
|
'type' => 'success',
|
|
'msg' => sprintf($lang['success']['f2b_modified'])
|
|
);
|
|
break;
|
|
}
|
|
}
|