PHP完全自学手册(珍藏版) 中文pdf扫描版下载
<?php //Code By Safe3 function customError($errno, $errstr, $errfile, $errline) { echo "<b>Error number:</b> [$errno],error on line $errline in $errfile<br />"; die(); } set_error_handler("customError",E_ERROR); $getfilter="'|select|from|(and|or)\\b.+?(>|<|=|in|like)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)"; $postfilter="\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)"; $cookiefilter="\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)"; function StopAttack($StrFiltKey,$StrFiltValue,$ArrFiltReq){ if(is_array($StrFiltValue)) { $StrFiltValue=implode($StrFiltValue); } if (preg_match("/".$ArrFiltReq."/is",$StrFiltValue)==1){ //slog("<br><br>操作IP: ".$_SERVER["REMOTE_ADDR"]."<br>操作时间: ".strftime("%Y-%m-%d %H:%M:%S")."<br>操作页面:".$_SERVER["PHP_SELF"]."<br>提交方式: ".$_SERVER["REQUEST_METHOD"]."<br>提交参数: ".$StrFiltKey."<br>提交数据: ".$StrFiltValue); @header("http/1.1 404 not found"); print "<html><title>404: Not Found</title>"; //slog("<br><br>操作IP: ".$_SERVER["REMOTE_ADDR"]."<br>操作时间: ".strftime("%Y-%m-%d %H:%M:%S")."<br>操作页面:".$_SERVER["PHP_SELF"]."<br>提交方式: ".$_SERVER["REQUEST_METHOD"]."<br>提交参数: ".$StrFiltKey."<br>提交数据: ".$StrFiltValue); print "<body>Url里含有非法字符串,属于有误操作!... <a href='/'>您还可以返回首页</a></body></html>"; ;exit(); } } //$ArrPGC=array_merge($_GET,$_POST,$_COOKIE); foreach($_GET as $key=>$value){ StopAttack($key,$value,$getfilter); } foreach($_POST as $key=>$value){ StopAttack($key,$value,$postfilter); } foreach($_COOKIE as $key=>$value){ StopAttack($key,$value,$cookiefilter); } function slog($logs) { $toppath=$_SERVER["DOCUMENT_ROOT"]."/log.htm"; $Ts=fopen($toppath,"a+"); fputs($Ts,$logs."\r\n"); fclose($Ts); } ?>
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