谁有用jsp写的防注入的代码?我从网上找的为什么不行?
zylt 2009-04-01 01:51:10 package sql_inj;
import java.net.*;
import java.io.*;
import java.sql.*;
import java.text.*;
import java.lang.String;
public class sql_inj
{
public static boolean sql_inj(String str)
{
String inj_str = "'|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare|;|or|+|,";
String[] inj_stra = inj_str.split("\\|");
for (int i=0 ; i < inj_stra.length ; i++ )
{
if (str.indexOf(inj_stra[i])>=0)
{
return true;
}
}
return false;
}
}
====================================================================
JSP页面判断代码:
====================================================================
<jsp:useBean id="sql_inj" class="sql_inj.sql_inj" scope="page"/>
<%
String currenturl = request.getRequestURI()+(request.getQueryString()==null?"":("?"+request.getQueryString()));
if (sql_inj.sql_inj(currenturl)){ //判断url及参数中是否包含注入代码,是的话就跳转到某页。
response.sendRedirect("/");
return;
}
//out.println(currenturl);
%>