PHP简易的防注入代码

ggp php 2013-06-30 516 次浏览

<?php

/**********************
Powered by Lovegn(http://www.mycodes.net)
Written On 2010.3.12
*************************/

//要过滤的非法字符

$ArrFilter=array(“‘”,”;”,”union”); ?//敏感字符和字符串,可自行定义

//出错后要跳转的url,不填则默认前一页

$StrGoUrl=””;

//是否存在数组中的值

function DangerStringExist($StrFilter,$ArrFilter){

foreach ($ArrFilter as $key=>$value){

if (eregi($value,$StrFilter)){

return true;

}

}

return false;

}

//合并$_POST ? $_GET 和 $_COOKIE

if(function_exists(array_merge)){

$ArrGPC=array_merge($_POST,$_GET,$_COOKIE);

}else{

foreach($_POST as $key=>$value){

$ArrGPC[]=$value;

}

foreach($_GET as $key=>$value){

$ArrGPC[]=$value;

}

foreach($_COOKIE as $key=>$value){

$ArrGPC[]=$value;

}

}

foreach($ArrGPC as $key=>$value){

if(DangerStringExist($value,$ArrFilter)){

echo “<script>alert(‘MyCMS提示,您的输入有非法字符!’);</script>”;

if (empty($StrGoUrl)){

echo “<script>history.go(-1);</script>”;

}else{

echo “<script>window.location=”.$StrGoUrl.”</script>”;

}

exit;

}

}

?>

?

<?php?//要过滤的非法字符

$ArrFilter=array(“‘”,”;”,”union”); ?//敏感字符和字符串,可自行定义

//出错后要跳转的url,不填则默认前一页

$StrGoUrl=””;

//是否存在数组中的值

function DangerStringExist($StrFilter,$ArrFilter){

foreach ($ArrFilter as $key=>$value){

if (eregi($value,$StrFilter)){

return true;

}

}

return false;

}

//合并$_POST , $_GET 和 $_COOKIE

if(function_exists(array_merge)){

$ArrGPC=array_merge($_POST,$_GET,$_COOKIE);}else{

foreach($_POST as $key=>$value){

$ArrGPC[]=$value;

}

foreach($_GET as $key=>$value){

$ArrGPC[]=$value;?? ? ? ? ? }

foreach($_COOKIE as $key=>$value){

$ArrGPC[]=$value;?? ? ? ? ? }

}

foreach($ArrGPC as $key=>$value){

if(DangerStringExist($value,$ArrFilter)){

echo “<script>alert(‘MyCMS提示,您的输入有非法字符!’);</script>”;

if (empty($StrGoUrl)){

echo “<script>history.go(-1);</script>”;

}else{

echo “<script>window.location=”.$StrGoUrl.”</script>”;??? ?}

exit;

}

}

?>

??? 针对GPC的注入的简单防注入代码,将上面代码保存为GPC_sql.php,然后在你想保护得文件中头部inlcude即可工作。上海尖锐湿疣医院牛皮癣能治好吗北京癫痫病医院

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