<?php
webscan_error();
//引用配置文件
require_once('webscan_cache.php');
//防护脚本版本号
define("WEBSCAN_VERSION", '0.1.3.2');
//防护脚本MD5值
define("WEBSCAN_MD5", md5(@file_get_contents(__FILE__)));
//get拦截规则
$getfilter = "\\<.+javascript:window\\[.{1}\\\\x|<.*=(&#\\d+?;?)+?>|<.*(data|src)=data:text\\/html.*>|\\b(alert\\(|confirm\\(|expression\\(|prompt\\(|benchmark\s*?\(.*\)|sleep\s*?\(.*\)|load_file\s*?\\()|<[a-z]+?\\b[^>]*?\\bon([a-z]{4,})\s*?=|^\\+\\/v(8|9)|\\b(and|or)\\b\\s*?([\\(\\)'\"\\d]+?=[\\(\\)'\"\\d]+?|[\\(\\)'\"a-zA-Z]+?=[\\(\\)'\"a-zA-Z]+?|>|<|\s+?[\\w]+?\\s+?\\bin\\b\\s*?\(|\\blike\\b\\s+?[\"'])|\\/\\*.*\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT\s*(\(.+\)\s*|@{1,2}.+?\s*|\s+?.+?|(`|'|\").*?(`|'|\")\s*)|UPDATE\s*(\(.+\)\s*|@{1,2}.+?\s*|\s+?.+?|(`|'|\").*?(`|'|\")\s*)SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE)@{0,2}(\\(.+\\)|\\s+?.+?\\s+?|(`|'|\").*?(`|'|\"))FROM(\\(.+\\)|\\s+?.+?|(`|'|\").*?(`|'|\"))|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
//post拦截规则
$postfilter = "<.*=(&#\\d+?;?)+?>|<.*data=data:text\\/html.*>|\\b(alert\\(|confirm\\(|expression\\(|prompt\\(|benchmark\s*?\(.*\)|sleep\s*?\(.*\)|load_file\s*?\\()|<[^>]*?\\b(onerror|onmousemove|onload|onclick|onmouseover)\\b|\\b(and|or)\\b\\s*?([\\(\\)'\"\\d]+?=[\\(\\)'\"\\d]+?|[\\(\\)'\"a-zA-Z]+?=[\\(\\)'\"a-zA-Z]+?|>|<|\s+?[\\w]+?\\s+?\\bin\\b\\s*?\(|\\blike\\b\\s+?[\"'])|\\/\\*.*\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT\s*(\(.+\)\s*|@{1,2}.+?\s*|\s+?.+?|(`|'|\").*?(`|'|\")\s*)|UPDATE\s*(\(.+\)\s*|@{1,2}.+?\s*|\s+?.+?|(`|'|\").*?(`|'|\")\s*)SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE)(\\(.+\\)|\\s+?.+?\\s+?|(`|'|\").*?(`|'|\"))FROM(\\(.+\\)|\\s+?.+?|(`|'|\").*?(`|'|\"))|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
//cookie拦截规则
$cookiefilter = "benchmark\s*?\(.*\)|sleep\s*?\(.*\)|load_file\s*?\\(|\\b(and|or)\\b\\s*?([\\(\\)'\"\\d]+?=[\\(\\)'\"\\d]+?|[\\(\\)'\"a-zA-Z]+?=[\\(\\)'\"a-zA-Z]+?|>|<|\s+?[\\w]+?\\s+?\\bin\\b\\s*?\(|\\blike\\b\\s+?[\"'])|\\/\\*.*\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT\s*(\(.+\)\s*|@{1,2}.+?\s*|\s+?.+?|(`|'|\").*?(`|'|\")\s*)|UPDATE\s*(\(.+\)\s*|@{1,2}.+?\s*|\s+?.+?|(`|'|\").*?(`|'|\")\s*)SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE)@{0,2}(\\(.+\\)|\\s+?.+?\\s+?|(`|'|\").*?(`|'|\"))FROM(\\(.+\\)|\\s+?.+?|(`|'|\").*?(`|'|\"))|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
//获取指令
$webscan_action = isset($_POST['webscan_act'])&&webscan_cheack() ? trim($_POST['webscan_act']) : '';
//referer获取
$webscan_referer = empty($_SERVER['HTTP_REFERER']) ? array() : array('HTTP_REFERER'=>$_SERVER['HTTP_REFERER']);
class webscan_http {
var $method;
var $post;
var $header;
var $ContentType;
function __construct() {
$this->method = '';
$this->cookie = '';
$this->post = '';
$this->header = '';
$this->errno = 0;
$this->errstr = '';
}
function post($url, $data = array(), $referer = '', $limit = 0, $timeout = 30, $block = TRUE) {
$this->method = 'POST';
$this->ContentType = "Content-Type: application/x-www-form-urlencoded\r\n";
if($data) {
$post = '';
foreach($data as $k=>$v) {
$post .= $k.'='.rawurlencode($v).'&';
}
$this->post .= substr($post, 0, -1);
}
return $this->request($url, $referer, $limit, $timeout, $block);
}
function request($url, $referer = '', $limit = 0, $timeout = 30, $block = TRUE) {
$matches = parse_url($url);
$host = $matches['host'];
$path = $matches['path'] ? $matches['path'].($matches['query'] ? '?'.$matches['query'] : '') : '/';
$port = $matches['port'] ? $matches['port'] : 80;
if($referer == '') $referer = URL;
$out = "$this->method $path HTTP/1.1\r\n";
$out .= "Accept: */*\r\n";
$out .= "Referer: $referer\r\n";
$out .= "Accept-Language: zh-cn\r\n";
$out .= "User-Agent: ".$_SERVER['HTTP_USER_AGENT']."\r\n";
$out .= "Host: $host\r\n";
if($this->method == 'POST') {
$out .= $this->ContentType;
$out .= "Content-Length: ".strlen($this->post)."\r\n";
$out .= "Cache-Control: no-cache\r\n";
$out .= "Connection: Close\r\n\r\n";
$out .= $this->post;
} else {
$out .= "Connection: Close\r\n\r\n";
}
if($timeout > ini_get('max_execution_time')) @set_time_limit($timeout);
$fp = @fsockopen($host, $port, $errno, $errstr, $timeout);
$this->post = '';
if(!$fp) {
return false;
} else {
stream_set_blocking($fp, $block);
stream_set_timeout($fp, $timeout);
fwrite($fp, $out);
$this->data = '';
$status = stream_get_meta_data($fp);
if(!$status['timed_out']) {
$maxsize = min($limit, 1024000);
if($maxsize == 0) $maxsize = 1024000;
$start = false;
while(!feof($fp)) {
if($start) {
$line = fread($fp, $maxsize);
if(strlen($this->data) > $maxsize) break;
$this->data .= $line;
} else {
$line = fgets($fp);
$this->header .= $line;
if($line == "\r\n" || $line == "\n") $start = true;
}
}
}
fclose($fp);
return "200";
}
}
}
/**
* 关闭用户错误提示
*/
function webscan_error() {
if (ini_get('display_errors')) {
ini_set('display_errors', '0');
}
}
/**
* 验证是否是官方发出的请求
*/
function webscan_cheack() {
if($_POST['webscan_rkey']==WEBSCAN_U_KEY){
return true;
}
return false;
}
/**
* 数据统计回传
*/
function webscan_slog($logs) {
if(! function_exists('curl_init')) {
$http=new webscan_http();
$http->post(WEBSCAN_API_LOG,$logs);
}
else{
webscan_curl(WEBSCAN_API_LOG,$logs);
}
}
/**
* 参数拆分
*/
function webscan_arr_foreach($arr) {
static $str;
static $keystr;
if (!is_array($arr)) {
return $arr;
}
foreach ($arr as $key => $val ) {
$keystr=$keystr.$key;
if (is_array($val)) {
webscan_arr_foreach($val);
} else {
$str[] = $val.$keystr;
}
}
return implode($str);
}
/**
* 新版文件md5值效验
*/
function webscan_updateck($ve) {
if($ve!=WEBSCAN_MD5)
{
return true;
}
return false;
}
/**
* 防护提示页
*/
function webscan_pape(){
$pape=<<<HTML
<html>
<body style="margin:0; padding:0">
<center><iframe width="100%" align="center" height="870" frameborder="0" scrolling="no" src="http://safe.webscan.360.cn/stopattack.html"></iframe></center>
</body>
</html>
HTML;
echo $pape;
}
/**
* 攻击检查拦截
*/
function webscan_StopAttack($StrFiltKey,$StrFiltValue,$ArrFiltReq,$method) {
$StrFiltValue=webscan_arr_foreach($StrFiltValue);
if (preg_match("/".$ArrFiltReq."/is",$StrFiltValue)==1){
webscan_slog(array('ip' => $_SERVER["REMOTE_ADDR"],'time'=>strftime("%Y-%m-%d %H:%M:%S"),'page'=>$_SERVER["PHP_SELF"],'method'=>$method,'rkey'=>$StrFiltKey,'rdata'=>$StrFiltValue,'user_agent'=>$_SERVER['HTTP_USER_AGENT'],'request_url'=>$_SERVER["REQUEST_URI"]));
exit(webscan_pape());
}
if (preg_match("/".$ArrFiltReq."/is",$StrFiltKey)==1){
webscan_slog(array('ip' => $_SERVER["REMOTE_ADDR"],'time'=>strftime("%Y-%m-%d %H:%M:%S"),'page'=>$_SERVER["PHP_SELF"],'method'=>$method,'rkey'=>$StrFiltKey,'rdata'=>$StrFiltKey,'user_agent'=>$_SERVER['HTTP_USER_AGENT'],'request_url'=>$_SERVER["REQUEST_URI"]));
exit(webscan_pape());
}
}
/**
* 拦截目录白名单
*/
function webscan_white($webscan_white_name,$webscan_white_url=array()) {
$url_path=$_SERVER['SCRIPT_NAME'];
$url_var=$_SERVER['QUERY_STRING'];
if (preg_match("/".$webscan_white_name."/is",$url_path)==1&&!empty($webscan_white_name)) {
return false;
}
foreach ($webscan_white_url as $key => $value) {
if(!empty($url_var)&&!empty($value)){
if (stristr($url_path,$key)&&stristr($url_var,$value)) {
return false;
}
}
elseif (empty($url_var)&&empty($value)) {
if (stristr($url_path,$key)) {
return false;
}
}
}
return true;
}
/**
* curl方式提交
*/
function webscan_curl($url , $postdata = array()){
$ch = cu
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