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watchbird-source.php
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<?php
/*
A Simple PHP WAF for AWD
/$$ /$$ /$$$$$$ /$$$$$$$$ /$$$$$$ /$$ /$$ /$$$$$$$ /$$$$$$ /$$$$$$$ /$$$$$$$
| $$ /$ | $$ /$$__ $$|__ $$__//$$__ $$| $$ | $$| $$__ $$|_ $$_/| $$__ $$| $$__ $$
| $$ /$$$| $$| $$ \ $$ | $$ | $$ \__/| $$ | $$| $$ \ $$ | $$ | $$ \ $$| $$ \ $$
| $$/$$ $$ $$| $$$$$$$$ | $$ | $$ | $$$$$$$$| $$$$$$$ | $$ | $$$$$$$/| $$ | $$
| $$$$_ $$$$| $$__ $$ | $$ | $$ | $$__ $$| $$__ $$ | $$ | $$__ $$| $$ | $$
| $$$/ \ $$$| $$ | $$ | $$ | $$ $$| $$ | $$| $$ \ $$ | $$ | $$ \ $$| $$ | $$
| $$/ \ $$| $$ | $$ | $$ | $$$$$$/| $$ | $$| $$$$$$$/ /$$$$$$| $$ | $$| $$$$$$$/
|__/ \__/|__/ |__/ |__/ \______/ |__/ |__/|_______/ |______/|__/ |__/|_______/
Credits:
[AWD_PHP watchbird] (Original WAF Framework)
[Longlone](https://github.com/WAY29) (Main developer)
[Leohearts](https://leohearts.com) (Main developer)
[guoqing](https://blog.izgq.net/archives/1029/) (Function: getFormData(), Regenerating RAW multipart/form-data post data), 已联系授权
Lisence:
GNU AGPLv3 (GNU Affero General Public License v3.0)
https://choosealicense.com/licenses/agpl-3.0/
Permissions Conditions Limitations
Commercial use Disclose source Liability
Distribution License and copyright notice Warranty
Modification Network use is distribution
Patent use Same license
Private use State changes
Attribution-NonCommercial-ShareAlike 4.0 International （CC BY-NC-SA 4.0） (For Function: getFormData() Only)
https://creativecommons.org/licenses/by-nc-sa/4.0/
You are free to:
Share — copy and redistribute the material in any medium or format
Adapt — remix, transform, and build upon the material
Under the following terms:
Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
NonCommercial — You may not use the material for commercial purposes.
ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
*/
$config_path = '/tmp/watchbird/watchbird.conf';
$check_upload_path = "/tmp/wb_check_upload";
// $level = 4; // 0~4 等级越高,防护能力越强,默认为4
error_reporting(0);
ob_end_clean();
function is_browser($v,$vv){
return strstr($v, $vv);
}
function get_fake_flag(){
global $config;
$flag = trim(file_get_contents($config->flag_path));
$str="QWERTYUIOPASDFGHJKLZXCVBNM1234567890qwertyuiopasdfghjklzxcvbnm";
str_shuffle($str);
$fake_flag='flag{'.substr(str_shuffle($str),0,strlen($flag)-6).'}';
return $fake_flag;
}
function get_preg_flag(){ // 获取自己flag的正则表达式并保存在文件里
global $config;
$result = '';
$flag = file_get_contents($config->flag_path);
$flag = trim($flag);
if ($flag === ""){
return 'flag{sauhiudsahiudhasiuhduihwauidhwsuisdhaiuhduiahuiduishudiahusdhauwshdushuidaud|';
}
if(strlen($flag) >= 18)
{
$flag1 = substr($flag, 0, strlen($flag)/3);
$flag1 = preg_quote($flag1, '/');
$result .= $flag1.'*|';
$flag2 = substr($flag, strlen($flag)/3, strlen($flag)*2/3);
$flag2 = preg_quote($flag2, '/');
$result .= $flag2.'*|';
$flag3 = substr($flag, strlen($flag)*2/3);
$flag3 = preg_quote($flag3, '/');
$result .= $flag3.'*|';
}else{
$result = 'flag{|'.preg_quote($flag).'|';
}
// echo $result;
return $result;
}
class configmanager
{
// 功能开启选项
public $flag_path = '/flag'; // 自己flag所在的路径
public $LDPRELOAD_PATH = '/var/www/html/waf.so'; //共享库路径
public $password_sha1 = 'unset';
public $open_basedir = '/';
// public $level = 4; // 0~4 等级越高,防护能力越强,默认为4
// level处理
public $waf_headers = 1; // headers防御
public $waf_ddos = 1; // ddos防御
public $waf_upload = 1; // 上传防御
public $waf_special_char = 0; // 特殊字符防御
public $waf_sql = 1; // sql防御
public $waf_rce = 1; // rce防御
public $waf_ldpreload = 1; //基于LD_PRELOAD的rce防护
public $waf_lfi = 1; // LFI/LFR 防御
public $waf_unserialize = 1; // phar反序列化防御
public $waf_flag = 1; // getflag防御
public $response_content_match = 1; // 匹配响应中有无flag特征
public $debug = 0; // debug模式
public $scheduled_killall = 0;
public $scheduled_killall_killweb = 1;
public $allow_ddos_time = 5; // 每秒最多5个访问
public $waf_fake_flag = "flag{Longlone:W0r1<_HaRd3r}"; // 虚假flag,需开启waf_flag
public $remote_ip = "127.0.0.1"; // 服务器ip
public $remote_port = 80; // 服务器端口
public $max_log_size = 40000; //单个日志文件最大大小
//名单配置
public $upload_whitelist = "/jpg|png|gif|txt/i"; // upload白名单
public $sql_blacklist = "/drop |dumpfile\b|INTO FILE|union select|outfile\b|load_file\b|multipoint\(/i";
public $rce_blacklist = "/`|var_dump|str_rot13|serialize|base64_encode|base64_decode|strrev|eval\(|assert|file_put_contents|fwrite|curl_exec\(|dl\(|readlink|popepassthru|preg_replace|preg_filter|mb_ereg_replace|register_shutdown_function|register_tick_function|create_function|array_map|array_reduce|uasort|uksort|array_udiff|array_walk|call_user_func|array_filter|usort|stream_socket_server|pcntl_exec|passthru|exec\(|system\(|chroot\(|scandir\(|chgrp\(|chown|shell_exec|proc_open|proc_get_status|popen\(|ini_alter|ini_restore|ini_set|LD_PRELOAD|ini_alter|ini_restore|ini_set|base64 -d/i";
function change($key, $val)
{
if ($key == "config_path" || $key == 'check_upload_path') {
die("dont try to rce :3");
}
global $config_path;
$this->$key = $val;
echo $key;
echo $val . "\n";
if (is_numeric($val)) {
$this->$key = intval($val);
}
file_put_contents($config_path, serialize($this));
die('succ');
}
}
class watchbird{
private $request_url;
private $request_method;
private $request_data;
private $headers;
private $raw;
private $dir;
private $logdir;
private $uploaddir;
private $tokendir;
private $allow_time;
private $response_content;
private $timestamp;
/*
watchbird类
*/
// 自动部署构造方法
function __construct(){
//echo $_SERVER['SERVER_PORT']."\n";
global $config, $content_disallow, $waf_fake_flag2;
$this->dir = '/tmp/watchbird/';
$this->logdir = $this->dir.'log/';
$this->uploaddir = $this->dir.'upload/';
$this->ipdir = $this->dir.'ip/';
$this->tokendir = $this->dir . 'token/';
if ($config->waf_ldpreload == 1) {
putenv("LD_PRELOAD=" . $config->LDPRELOAD_PATH);
}
$this->headers = getallheaders(); //获取header
foreach ($this->headers as $key => $val){
if ($val == ""){
unset($this->headers[$key]);
}
}
$this->timestamp = getMillisecond();
if ($config->open_basedir !== '/') {
ini_set("open_basedir", $config->open_basedir . ':/tmp/');
}
if(isset($_SERVER['HTTP_WATCHBIRDTOKEN']) && file_exists($this->tokendir . $_SERVER['HTTP_WATCHBIRDTOKEN'])){
unlink($this->tokendir . $_SERVER['HTTP_WATCHBIRDTOKEN']);
putenv("php_timestamp=".$_SERVER['HTTP_WATCHBIRDTIMESTAMP']);
return 0;
}
else{
putenv("php_timestamp=" . $this->timestamp); // 用于ld_preload rce防护记录日志
}
$this->allow_time = $config->allow_ddos_time; // 获取每秒最大访问次数
if ($config->waf_ddos == true){
$this->watch_ddos();
}
$this->e_mkdir($this->dir);
$this->e_mkdir($this->logdir);
$this->e_mkdir($this->uploaddir);
$this->e_mkdir($this->ipdir);
$this->e_mkdir($this->tokendir);
$this->request_url = $this->filter_0x25(urldecode($_SERVER['REQUEST_URI'])); // 获取url来进行检测
$this->request_data = file_get_contents('php://input'); // 获取post
if ($config->waf_headers == true)
{
$this->watch_headers(); // 监测headers
}
$this->write_access_log_probably(); // 记录访问纪录, 类似于日志
$this->write_access_logs_detailed(); // 记录详细访问请求包
if ($config->waf_upload==true) {
$this->watch_upload(); // 记录上传纪录
}
if($_SERVER['REQUEST_METHOD'] != 'POST' && $_SERVER['REQUEST_METHOD'] != 'GET'){
$method = $_SERVER['REQUEST_METHOD'];
$this->write_attack_log("Catch attack: Suspicious method [ ".$method."] ");
}
foreach ($_GET as $keywords){ // 监测GET参数，出现问题则记录
$this->watch_attack_keyword($this->watch_special_char($keywords));
}
if ($this->request_data != '')
{
foreach ($_POST as $keywords){ // 监测POST参数，出现问题则记录
$this->watch_attack_keyword($this->watch_special_char($keywords));
}
}
if ($config->response_content_match){ // 深度检测响应包
ob_end_clean(); // 处理BOM头
$this->getcont(); // 开始自检
if (preg_match($content_disallow, $this->response_content)!==0){
$this->write_flag_log();
die($waf_fake_flag2);
}
else {
$co=explode("\r\n\r\n",$this->response_content,2)[1];
$raw_header=explode("\r\n\r\n",$this->response_content,2)[0];
$res_header = explode("\r\n",explode("\r\n",$raw_header,2)[1]);
foreach ($res_header as $leo1){
if (stripos($leo1, 'transfer-encoding') !== false) {continue;}
header($leo1,true);
}
// header("Content-Encoding: identity", true);
// while (preg_match("/^[0-9,a-z]{5}/", $co)) {
// $co = substr($co, 5);
// }
// while (preg_match("/^[0-9,a-z]{4}/",$co)){
// $co=substr($co,4);
// }
// $co=substr($co,strpos($co,pack("CCC",0xef,0xbb,0xbf))); // 处理BOM头
// if (substr($co,0,3) == pack("CCC",0xef,0xbb,0xbf)){
// $co=substr($co,3);
// }
if (substr($co,-7)=="\r\n0\r\n\r\n" && preg_match("/^[0-9, a-f]/", $co)){
// $co=rtrim($co,"\r\n0\r\n\r\n");
// $co .= "\r\n\r\n";
// header("Transfer-Encoding: chunked", true); // finally!
$co = decode_chunked($co);
}
die($co); // 将内容返回给用户
}
}
}
/*
判断文件夹是否存在并创建文件夹
*/
function e_mkdir($folder){
if (is_dir($folder) == false)
{
mkdir($folder, 0777, true);
return true;
}
return false;
}
/*
删除文件夹下所有文件
*/
function deldir($dir) {
$dh=opendir($dir);
while ($file=readdir($dh)) {
if($file!="." && $file!="..") {
$fullpath=$dir."/".$file;
if(!is_dir($fullpath)) {
unlink($fullpath);
}
else {
$this->deldir($fullpath);
}
}
}
}
/*
die并且输出logo
*/
function logo(){
global $config;
$logo = <<<LOGO
__ ___ _____ ____ _ _ ____ ___ ____ ____
\ \ / / \|_ _/ ___| | | | __ )_ _| _ \| _ \
\ \ /\ / / _ \ | || | | |_| | _ \| || |_) | | | |
\ V V / ___ \| || |___| _ | |_) | || _ <| |_| |
\_/\_/_/ \_\_| \____|_| |_|____/___|_| \_\____/
LOGO;
$UAs=array("MSIE", "Firefox", "Chrome", "Safari", "Opera");
$UA=$_SERVER["HTTP_USER_AGENT"];
if (count(array_filter(array_map("is_browser", array_fill(0, count($UAs), $UA), $UAs)))){
$logo="<pre>\n".$logo."\n</pre>";
$logo=str_replace("\r","", $logo);
$logo=str_replace("\n","</br>", $logo);
}
echo $logo;
if ($config->debug){
echo debug_backtrace()[1]['function'];
}
die();
}
/*
DDOS防御
*/
function watch_ddos(){
$IP = $_SERVER['REMOTE_ADDR'];
$IP = str_replace(":", '_', $IP);
$date = date('H_i_s');
$IP_dir = $this->ipdir . '/' . $IP . '/';
$this->e_mkdir($IP_dir);
$IP_date_file = $IP_dir . $date . '_log.txt';
if (is_file($IP_date_file))
{
$time = intval(file_get_contents($IP_date_file));
$time += 1;
if ($time > $this->allow_time)
{
$this->logo();
}
else{
file_put_contents($IP_date_file, $time, LOCK_EX);
}
}
else{
$this->deldir($IP_dir);
file_put_contents($IP_date_file, 1, LOCK_EX);
}
}
/*
监测headers
*/
function watch_headers(){
global $config;
foreach($this->headers as $k=>$v) {
if (preg_match($config->sql_blacklist, urldecode($v)) || preg_match($config->rce_blacklist, urldecode($v))) {
$this->headers[$k] = '';
// $URI = explode('?',$this->request_url);
// header('Location: http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$URI[0]);
$this->logo();
}
}
}
/*
监测不可见字符造成的截断和绕过效果，注意网站请求带中文需要简单修改
*/
function watch_special_char($str){
global $config;
$txt = '';
for($i=0;$i<strlen($str);$i++){
$ascii = ord($str[$i]);
if($ascii>126 || $ascii < 32){ // 有中文这里要修改
if(!in_array($ascii, array(9,10,13))){
$txt .= "Interrupt";
}else{
$txt .= " Catch attack: Suspected attack character < ".$str[$i]. " > ";
}
break;
}
if (preg_match("/\||\`|\;|\,|\'|\"|<|>/", $str[$i]))
{
$txt .= " Catch attack: Suspected attack character < ".$str[$i]." > ";
break;
}
}
if ($txt != '')
{
if($config->waf_special_char == true){
$this->write_attack_log($txt);
$this->logo();
}
}
return $str;
}
/*
监测文件上传
*/
function watch_upload(){
global $config, $check_upload_path;
foreach ($_FILES as $key => $value) {
if($_FILES[$key]['error'] == 0){
$ext = substr(strrchr($_FILES[$key]["name"], '.'), 1);
$this->write_attack_log("Catch attack: < Evil Upload, please check ".$this->uploaddir." dir > ");
copy($_FILES[$key]["tmp_name"], $this->uploaddir.date("d_H_i_s").'.'.$ext.'.txt');
file_put_contents($check_upload_path,"check!");
if(!preg_match($config->upload_whitelist, $ext))
{
unlink($_FILES[$key]['tmp_name']);
echo 'Upload success! Check upload/'.substr(md5($_FILES[$key]["name"]), 0, rand(10, 30)).'.'.$ext;
die();
}
}
$new_file_content = file_get_contents($_FILES[$key]['tmp_name']);
if (preg_match("/<?php/i", $new_file_content) === 1){
$this->write_attack_log("Catch attack: < Evil Upload, please check " . $this->uploaddir . " dir > ");
copy($_FILES[$key]["tmp_name"], $this->uploaddir . date("d_H_i_s") . '.' . $ext . '.txt');
unlink($_FILES[$key]['tmp_name']);
echo 'Upload success. Check upload/' . substr(md5($_FILES[$key]["name"]), 0, rand(10, 30)) . '.' . $ext;
die();
}
}
}
/*
监测网站程序存在二次编码绕过漏洞造成的%25绕过，此处是循环将%25替换成%，直至不存在%25
*/
function filter_0x25($str){
if(strpos($str,"%25") !== false){
$str = str_replace("%25", "%", $str);
return $this->filter_0x25($str);
}else{
return $str;
}
}
/*
对非法请求进行重定向
*/
// function redirect(){
// $URI = explode('?',$this->request_url);
// header('Location: http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$URI[0]);
// die();
// }
/*
监测攻击关键字
*/
function watch_attack_keyword($str){
global $config;
if(preg_match($config->sql_blacklist, $str)){
if($config->waf_sql == true){
$this->write_attack_log("Catch attack: < SQLI > ");
$this->logo();
}
}
if(substr_count($str,$_SERVER['PHP_SELF']) < 2){
$tmp = str_replace($_SERVER['PHP_SELF'], "", $str);
if(preg_match("/\.\.|.*\.php[2357]{0,1}|\.phtml/i", $tmp)){
if($config->waf_lfi == true){
$this->write_attack_log("Catch attack: < LFI/LFR > ");
$this->logo();
}
}
}else{
if($config->waf_lfi == true){
$this->write_attack_log("Catch attack: < LFI/LFR > ");
$this->logo();
}
}
if(preg_match($config->rce_blacklist, $str)){
if($config->waf_rce == true){
$this->write_attack_log("Catch attack: < RCE > ");
$this->logo();
}
}
if(preg_match("/phar|zip|compress.bzip2|compress.zlib/i", $str)){
if($config->waf_unserialize == true){
$this->write_attack_log("Catch attack: < phar unserialize >");
$this->logo();
}
}
if(preg_match("/flag/i", $str)){
if($config->waf_flag == true){
$this->write_attack_log("Catch attack: < !!GETFLAG!! >");
die($config->waf_fake_flag);
}
}
}
// 记录每次大概访问记录，类似日志，以便在详细记录中查找
function write_access_log_probably() {
global $config;
$tmp = sha1("Syclover").$this->timestamp.sha1("Syclover");
$tmp .= "[" . date('H:i:s') . "]" . $_SERVER['REQUEST_METHOD'].' '.$_SERVER['REQUEST_URI'].' '.$_SERVER['SERVER_PROTOCOL'];
if (!empty($this->request_data)){
$tmp .= "\n".$this->request_data;
}
$tmp .= "\n";
file_put_contents($this->logdir.'all_requests'.'.txt', $tmp, FILE_APPEND | LOCK_EX);
if (filesize($this->logdir . 'all_requests' . '.txt') > $config->max_log_size) {
unlink($this->logdir . 'all_requests' . '.txt');
}
}
// 记录详细的访问头记录，包括GET POST http头, 以获取waf未检测到的攻击payload
function write_access_logs_detailed(){
global $config;
$tmp = sha1("Syclover"). $this->timestamp. sha1("Syclover");
$tmp .= "[" . date('H:i:s') . "]\n";
$tmp .= "SRC IP: " . $_SERVER["REMOTE_ADDR"]."\n";
$tmp .= $_SERVER['REQUEST_METHOD'].' '.$_SERVER['REQUEST_URI'].' '.$_SERVER['SERVER_PROTOCOL']."\n";
foreach($this->headers as $k => $v) {
if ($k==="isself"){
continue;
}
$tmp .= $k . ': ' . $v . "\n";
}
if (!empty($this->request_data)) {
$tmp .= "\n". $this->request_data . "\n";
}
$tmp .= "\n";
file_put_contents($this->logdir.'web_log'.'.txt', $tmp, FILE_APPEND | LOCK_EX);
if (filesize($this->logdir . 'web_log' . '.txt') > $config->max_log_size) {
unlink($this->logdir . 'web_log' . '.txt');
}
}
/*
记录攻击payload 第一个参数为记录类型 使用时直接调用函数
*/
function write_attack_log($alert){
global $config;
$tmp = sha1("Syclover").$this->timestamp. sha1("Syclover");
$tmp .= "[" . date('H:i:s') . "] {".$alert."}\n";
$tmp .= "SRC IP: " . $_SERVER["REMOTE_ADDR"]."\n";
$tmp .= $_SERVER['REQUEST_METHOD'].' '.$_SERVER['REQUEST_URI'].' '.$_SERVER['SERVER_PROTOCOL']."\n";
foreach($this->headers as $k => $v) {
if ($k==="isself"){
continue;
}
$tmp .= $k . ': ' . $v . "\n";
}
if (!empty($this->request_data)) {
$tmp .= "\n". $this->request_data . "\n";
}
file_put_contents($this->logdir.'under_attack_log.txt', $tmp, FILE_APPEND | LOCK_EX);
if (filesize($this->logdir . 'under_attack_log' . '.txt') > $config->max_log_size) {
unlink($this->logdir . 'under_attack_log' . '.txt');
}
if ($alert == 'Catch attack: < !!GETFLAG!! >') // 顺便写入另外一个日志
{
file_put_contents($this->logdir.'flag_eye_to_eye.txt', $tmp, FILE_APPEND | LOCK_EX);
if (filesize($this->logdir . 'flag_eye_to_eye' . '.txt') > $config->max_log_size) {
unlink($this->logdir . 'flag_eye_to_eye' . '.txt');
}
}
}
/*
将流量发送到本地服务器进行自检
*/
function getcont(){
global $config;
$headerstr = "";
$this->response_content = "";
$this->headers['watchbirdtimestamp'] = $this->timestamp;
$this->headers['Connection'] = "Close";
$this->headers["Accept-Encoding"] = "identity";
$token = rand();
$this->headers['WatchbirdToken'] = $token;
touch ($this->tokendir . $token);
foreach($this->headers as $k => $v) {
$headerstr .= $k . ': ' . $v . "\r\n";
}
$fp = fsockopen($config->remote_ip, $config->remote_port, $errno, $errstr, 30);
if (!$fp) {
echo "500 Internal Server Error.";
}
else {
$out = $_SERVER['REQUEST_METHOD'].' '.$_SERVER['REQUEST_URI'].' '.$_SERVER['SERVER_PROTOCOL']."\r\n";
$out .= $headerstr;
$out .= "\r\n";
$out .= $this->request_data . "\r\n";
if ($this->request_data===''&&$_SERVER['REQUEST_METHOD']=="POST"){
$out .= getFormData();
}
stream_set_timeout($fp, 5);
fwrite($fp, $out);
//echo $out;
while (!feof($fp)) {
$tmp3 = fgets($fp, 4);
if ($tmp3 === false){
break;
}
$this->response_content .= $tmp3;
}
fclose($fp);
if ($config->debug){
echo $out;
echo $this->response_content;
}
}
}
/*
当响应包中存在flag时写入日志
*/
function write_flag_log(){
global $config;
$tmp = sha1("Syclover").$this->timestamp.sha1("Syclover");
$tmp .= "[" . date('H:i:s') . "] \n";
$tmp .= "\nRequest:\n";
$tmp .= "SRC IP: " . $_SERVER["REMOTE_ADDR"]."\n";
$tmp .= $_SERVER['REQUEST_METHOD'].' '.$_SERVER['REQUEST_URI'].' '.$_SERVER['SERVER_PROTOCOL']."\n";
foreach($this->headers as $k => $v) {
// if ($k==="isself"){
// continue;
// }
$tmp .= $k . ': ' . $v . "\n";
}
if (!empty($this->request_data)) {
$tmp .= "\n". $this->request_data . "\n";
}
$tmp .= "\nResponse\n";
$tmp .= $this->response_content;
file_put_contents($this->logdir.'flag_log.txt', $tmp, FILE_APPEND | LOCK_EX);
if (filesize($this->logdir . 'flag_log' . '.txt') > $config->max_log_size) {
unlink($this->logdir . 'flag_log' . '.txt');
}
}
}
function getMillisecond(){
list($s1,$s2)=explode(' ',microtime());
return (float)sprintf('%.0f',(floatval($s1)+floatval($s2))*1000);
}
// 还原 rfc1867, rfc2046 格式的FormData, 来自https://blog.izgq.net/archives/1029/
function getFormData(){
// body-part array
$body = array();
// 普通参数
foreach ($_POST as $key => $value) {
if (!is_array($value)) {
$body_part = "Content-Disposition: form-data; name=\"$key\"\r\n";
$body_part .= "\r\n$value";
$body[] = $body_part;
} else {
// 数组的情况处理 如 param1[]=xxxx
$result = array();
convert_array_key($value, $key, $result);
foreach ($result as $k => $v) {
$body_part = "Content-Disposition: form-data; name=\"$k\"\r\n";
$body_part .= "\r\n$v";
$body[] = $body_part;
}
}
}
// 上传文件处理
foreach ($_FILES as $key => $value) {
if (!is_array($value['type'])) {
$body_part = "Content-Disposition: form-data; name=\"$key\"; filename=\"{$value['name']}\"\r\n";
$body_part .= "Content-type: {$value['type']}\r\n";
$body_part .= "\r\n" . file_get_contents($value['tmp_name']);
$body[] = $body_part;
} else {
// 文件key是数组的情况 如 file1[]=xxxx
$result = array();
convert_array_key($value['type'], "", $result);
foreach ($result as $k => $v) {
$filename = query_multidimensional_array($value['name'], $k);
$type = query_multidimensional_array($value['type'], $k);
$tmp_name = query_multidimensional_array($value['tmp_name'], $k);
$body_part = "Content-Disposition: form-data; name=\"{$key}{$k}\"; filename=\"{$filename}\"\r\n";
$body_part .= "Content-type: {$type}\r\n";
$body_part .= "\r\n" . file_get_contents($tmp_name);
$body[] = $body_part;
}
}
}
// 提取boundary
$boundary = substr($_SERVER['CONTENT_TYPE'], strpos($_SERVER['CONTENT_TYPE'], "=") + 1);
// multipart-body
$multipart_body = "--$boundary\r\n";
// 拼接各个域
$multipart_body .= implode("\r\n--$boundary\r\n", $body);
// 最后一个不同的 boundary
$multipart_body .= "\r\n--$boundary--";
return $multipart_body;
}
// 直接访问多维数组元素
// query: [0][0] -> $array[0][0]
function query_multidimensional_array(&$array, $query){
$query = explode('][', substr($query, 1, -1));
$temp = $array;
foreach ($query as $key) {
$temp = $temp[$key];
}
return $temp;
}
// DFS将数组变为一维形式
function convert_array_key(&$node, $prefix, &$result){
if (!is_array($node)) {
$result[$prefix] = $node;
} else {
foreach ($node as $key => $value) {
convert_array_key($value, "{$prefix}[{$key}]", $result);
}
}
}
if (!function_exists('getallheaders'))
{
function getallheaders()
{
$headers = [];
foreach ($_SERVER as $name => $value)
{
if (substr($name, 0, 5) == 'HTTP_'&&$value!='')
{
$headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
}
}
return $headers;
}
}
function decode_chunked($str) // https://stackoverflow.com/a/10859409
{
for ($res = ''; !empty($str); $str = trim($str)) {
$pos = strpos($str, "\r\n");
$len = hexdec(substr($str, 0, $pos));
$res .= substr($str, $pos + 2, $len);
$str = substr($str, $pos + 2 + $len);
}
return $res;
}
class ui
{
public $passwdhash;
public $mdui_css = <<<CSS_RESOURCE
{{@res-file:mdui.min.css}}
CSS_RESOURCE;
public $mdui_js = <<<JS_RESOURCE
{{@res-file:mdui.min.js}}
JS_RESOURCE;
public $mdui_logo = <<<SVG_RESOURCE
{{@res-file:logo.svg}}
SVG_RESOURCE;
public $mdui_font = '';
function __construct()
{
$this->mdui_font = base64_decode('{{@res-file:mdui-icon.woff2.base64}}');
}
function show()
{
global $config;
// die(var_dump(get_object_vars($config)));
if ($this->passwdhash === 'unset'){
if (isset($_GET['passwd'])){
if (trim($_GET['passwd'] === "")){
die('密码不能为空');
}
$config->change('password_sha1', sha1($_GET['passwd']));
die('密码初始化成功');
}
}
if (sha1($_GET['passwd']) == $this->passwdhash) {
$_SESSION['login'] = 'success';
echo "login success.";
}
if ($_SESSION['login'] !== 'success') {
$this->login();
}
print(<<<HTML_CODE
<html>
<head>
<meta charset="UTF-8">
<title>Watchbird控制台</title>
<link rel="shortcut icon" href="?watchbird=resource&resource=logo">
<link rel="stylesheet" href="?watchbird=resource&resource=css">
<script src="?watchbird=resource&resource=js"></script>
<style>
*{font-family: Arial, Helvetica, sans-serif;}
textarea{font-family: monospace !important;}
.logger {
padding: 20px 0px;
display: grid;
gap: 30px;
height: 100%;
grid-template-rows: repeat(4,1fr);
}
@media (min-width: 800px){
.logger {
grid-template-columns: repeat(2,1fr);
grid-template-rows: repeat(2,1fr);
}
}
.logcontainer .mdui-card{
margin-top: 10px;
transition: 0.6s;
opacity: 0;
}
.logcontainer .mdui-card.active{
opacity: 1;
}
.logger div.mdui-col{
overflow: auto;
}
.dest-selector-multi{
min-width: 42px;
}
pre{
font-family: Arial, Helvetica, sans-serif;
font-weight: 300;
white-space: pre-wrap;
word-break: break-all;
padding-left: 10px;
padding-right: 10px;
}
*{
scrollbar-width: thin;
scrollbar-color: #cdcdcd rgba(0,0,0,0)
}
</style>
<script>
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
function switchdrawer() {
var inst = new mdui.Drawer(document.getElementsByClassName("mdui-drawer")[0]);
inst.toggle();
}
function getLocalConfig(ConfigItem){
var ret = localStorage.getItem(ConfigItem);
return ret;
}
function setLocalConfig(ConfigItem, value) {
return localStorage.setItem(ConfigItem, value);
}
function changetheme() {
var body = document.querySelector("body");
var res = body.classList.replace("mdui-theme-layout-dark", "mdui-theme-primary-teal");
if (!res){
body.classList.replace("mdui-theme-primary-teal", "mdui-theme-layout-dark");
body.classList.remove("mdui-theme-accent-pink");
setLocalConfig("theme", "dark");
}
else{
body.classList.add("mdui-theme-accent-pink");
setLocalConfig("theme", "light");
}
}
async function checkLocalReplayerAvailablility(){
await fetch(document.getElementById("replayer_addr").value + "?watchbird=checkExistence")
.then(function(Response) {
return Response.text()
})
.then(function(txt) {
if (txt == "I'm still alive"){
document.getElementById("use_custom_replayer").checked = true;
}
})
}
document.addEventListener("DOMContentLoaded",function () {
if (getLocalConfig("theme") == "dark"){
changetheme();
}
if (getLocalConfig("submit_packet_body") != null){
document.getElementById("submit_packet_body").value = getLocalConfig("submit_packet_body");
}
if (getLocalConfig("submit_packet_header") != null){
document.getElementById("submit_packet_header").value = getLocalConfig("submit_packet_header");
}
if (getLocalConfig("flag_regex") != null){
document.getElementById("flag_regex").value = getLocalConfig("flag_regex");
}
if (getLocalConfig("replayer_addr") != null){
document.getElementById("replayer_addr").value = getLocalConfig("replayer_addr");
}
startDaemon();
startKillallTimer();
Notification.requestPermission().then(function (permission) {
if (permission === 'granted') {
console.log('用户允许通知');
} else if (permission === 'denied') {
console.log('用户拒绝通知');
}
});
checkLocalReplayerAvailablility();
});
async function tryKillallProcess(){
if (document.getElementById("config_scheduled_killall").checked){
let query_killall = "?watchbird=scheduled_killall";
if (document.getElementById("config_scheduled_killall_killweb").checked){
query_killall += '&watchbird_kill_all_process=1';
}
await fetch(query_killall);
}
}
async function startKillallTimer(){
document.getElementById("config_scheduled_killall").nextElementSibling.nextSibling.textContent = "每分钟关闭所有www用户进程并清理Crontab";
document.getElementById("config_scheduled_killall_killweb").nextElementSibling.nextSibling.textContent = "含apache/nginx进程";
document.getElementById("config_scheduled_killall").nextElementSibling.style.marginRight = "12px";
document.getElementById("config_scheduled_killall_killweb").nextElementSibling.style.marginRight = "12px";
while(1){
tryKillallProcess();
await sleep(60000);
}
}
async function startDaemon(){
while(1){
try{
await checklog();
}
catch{
await sleep(1000);
continue;
}
await sleep(1000);
}
}
function parseRequest(text){
text = text.substring(text.search("SRC IP"));
text = text.substring(text.search("\\n")).trim();
if (text.search("\\n\\nResponse") != -1){
text = text.substring(0, text.search("\\n\\nResponse")); //Dont forget that you're in PHP!
}
return text;
}
function addlistitem(str){
var newtextfield = document.createElement("div");
newtextfield.classList.add("mdui-textfield");
var textInput = document.createElement("textarea");
textInput.classList.add("mdui-textfield-input");
textInput.value = str;
textInput.spellcheck = false;
newtextfield.append(textInput);
document.getElementsByClassName("repeater")[0].getElementsByClassName("header-field")[0].append(newtextfield);
}
function handle_replay(){
var text = event.target.parentElement.previousElementSibling.innerText;
document.getElementsByClassName("repeater")[0].getElementsByClassName("header-field")[0].innerHTML = "";
text = parseRequest(text);
try{
document.getElementById("myhost").value = text.match(new RegExp("host: {0,}[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}", 'i'))[0].match(new RegExp("[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}"))[0];
}
catch{}
var postdata = "undefined";
var text_search_nn = text.search("\\n\\n");
if (text_search_nn != -1){
postdata = text.substring(text_search_nn+2);
text = text.substring(0, text_search_nn);
}
var queryList = text.split("\\n");
for (var i = 0;i < queryList.length;i++){
addlistitem(queryList[i]);
}
if (postdata != "undefined"){
addlistitem(postdata);
var newlabel = document.createElement("label");
newlabel.classList.add("mdui-textfield-label");
newlabel.innerText = "POST data";
document.getElementsByClassName("repeater")[0].getElementsByClassName("header-field")[0].lastElementChild.prepend(newlabel);
}
var inst = new mdui.Dialog(document.getElementsByClassName("repeater")[0]);
inst.open();
mdui.mutation();
}
async function submitFlag(flag){
var submit_packet_header = document.getElementById("submit_packet_header").value;
var submit_packet_body = document.getElementById("submit_packet_body").value;
submit_packet_body = submit_packet_body.replace("{flag_content}", flag);
var headerList = submit_packet_header.split("\\n");
var finalPacket = "";
var isPost = (submit_packet_body.trim().length != 0);
var ipAddr = "";