通用防SQL注入代码ASP版

通用防SQL注入代码ASP版

 

dim sql_injdata

SQL_injdata = "'|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" 
SQL_inj = split(SQL_Injdata,"|") 

If Request.QueryString<>"" Then

    For Each SQL_Get In Request.QueryString
        For SQL_Data=0 To Ubound(SQL_inj)
            if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then
            
            'Response.Write(Request.QueryString)
            Response.Write "<Script>alert('@SQL通用防注入系统提示↓nn请不要在参数中包含非法字符尝试注入！');history.back(-1)</Script>"
            
            Response.end
            end if
        next
    Next
End If






If Request.Form<>"" Then
 
    For Each Sql_Post In Request.Form
        For SQL_Data=0 To Ubound(SQL_inj)
            if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then
            
            'Response.Write(Request.Form)
            Response.Write "<Script>alert('@SQL通用防注入系统提示↓nn请不要在参数中包含非法字符尝试注入！');history.back(-1)</Script>"
            
            Response.end
            end if
        next
    Next
End If




   sss=LCase(request.servervariables("QUERY_STRING"))


   if instr(sss,"select")<>0 or instr(sss,"inster")<>0 or instr(sss,"delete")<>0 or instr(sss,"(")<>0 or instr(sss,"'or")<>0 then
     response.write "<BR><BR><center>你的网址不合法"
     response.end
   end if


StrTemp=request.servervariables("server_name")&request.servervariables("url")&"?"&Request.QueryString

StrTemp = LCase(StrTemp) 

If Instr(StrTemp,"select%20") or Instr(StrTemp,"insert%20") or Instr(StrTemp,"delete%20from") or Instr(StrTemp,"count(") or Instr(StrTemp,"drop%20table") or Instr(StrTemp,"update%20") or Instr(StrTemp,"truncate%20") or Instr(StrTemp,"asc(") or Instr(StrTemp,"mid(") or Instr(StrTemp,"char(") or Instr(StrTemp,"xp_cmdshell") or Instr(StrTemp,"exec%20master") or Instr(StrTemp,"net%20localgroup%20administrators") or Instr(StrTemp,"net%20user") or Instr(StrTemp,"%20or%20") or Instr(StrTemp,"'") or Instr(StrTemp,"%20") or Instr(StrTemp,"""") or Instr(StrTemp,"“") or Instr(StrTemp,"”")  or Instr(StrTemp,":") or Instr(StrTemp,"：")  or Instr(StrTemp,";") or Instr(StrTemp,"；")  or Instr(StrTemp,",") or Instr(StrTemp,"，") or Instr(StrTemp,"%27") then 
Response.Write "<script language='javascript'>alert('非法操作！立即返回！');history.back();</script>" 

Response.end

End If