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``` $url_arr=array( 'xss'=>"\\=\\+\\/v(?:8|9|\\+|\\/)|\\%0acontent\\-(?:id|location|type|transfer\\-encoding)", ); $args_arr=array( 'xss'=>"[\\'\\\"\\;\\*\\<\\>].*\\bon[a-zA-Z]{3,15}[\\s\\r\\n\\v\\f]*\\=|\\b(?:expression)\\(|\\<script[\\s\\\\\\/]|\\<\\!\\[cdata\\[|\\b(?:eval|alert|prompt|msgbox)\\s*\\(|url\\((?:\\#|data|javascript)", 'sql'=>"[^\\{\\s]{1}(\\s|\\b)+(?:select\\b|update\\b|insert(?:(\\/\\*.*?\\*\\/)|(\\s)|(\\+))+into\\b).+?(?:from\\b|set\\b)|[^\\{\\s]{1}(\\s|\\b)+(?:create|delete|drop|truncate|rename|desc)(?:(\\/\\*.*?\\*\\/)|(\\s)|(\\+))+(?:table\\b|from\\b|database\\b)|into(?:(\\/\\*.*?\\*\\/)|\\s|\\+)+(?:dump|out)file\\b|\\bsleep\\([\\s]*[\\d]+[\\s]*\\)|benchmark\\(([^\\,]*)\\,([^\\,]*)\\)|(?:declare|set|select)\\b.*@|union\\b.*(?:select|all)\\b|(?:select|update|insert|create|delete|drop|grant|truncate|rename|exec|desc|from|table|database|set|where)\\b.*(charset|ascii|bin|char|uncompress|concat|concat_ws|conv|export_set|hex|instr|left|load_file|locate|mid|sub|substring|oct|reverse|right|unhex)\\(|(?:master\\.\\.sysdatabases|msysaccessobjects|msysqueries|sysmodules|mysql\\.db|sys\\.database_name|information_schema\\.|sysobjects|sp_makewebtask|xp_cmdshell|sp_oamethod|sp_addextendedproc|sp_oacreate|xp_regread|sys\\.dbms_export_extension)", 'other'=>"\\.\\.[\\\\\\/].*\\%00([^0-9a-fA-F]|$)|%00[\\'\\\"\\.]"); $referer=empty($_SERVER['HTTP_REFERER']) ? array() : array($_SERVER['HTTP_REFERER']); $query_string=empty($_SERVER["QUERY_STRING"]) ? array() : array($_SERVER["QUERY_STRING"]); check_data($query_string,$url_arr); check_data($_GET,$args_arr); check_data($_POST,$args_arr); check_data($_COOKIE,$args_arr); check_data($referer,$args_arr); function W_log($log) { $logpath=$_SERVER["DOCUMENT_ROOT"]."/log.txt"; $log_f=fopen($logpath,"a+"); fputs($log_f,$log."\r\n"); fclose($log_f); } function check_data($arr,$v) { foreach($arr as $key=>$value) { if(!is_array($key)) { check($key,$v);} else { check_data($key,$v);} if(!is_array($value)) { check($value,$v);} else { check_data($value,$v);} } } function check($str,$v) { foreach($v as $key=>$value) { if (preg_match("/".$value."/is",$str)==1||preg_match("/".$value."/is",urlencode($str))==1) { //W_log("<br>IP: ".$_SERVER["REMOTE_ADDR"]."<br>时间: ".strftime("%Y-%m-%d %H:%M:%S")."<br>页面:".$_SERVER["PHP_SELF"]."<br>提交方式: ".$_SERVER["REQUEST_METHOD"]."<br>提交数据: ".$str); print "您的提交带有不合法参数,谢谢合作"; exit(); } } } ```