check_hx.asp

后台登陆admin.asp

<% 

Dim Query_Badword,Form_Badword,Err_Message,Err_Web,form_name

'------定义部份  头----------------------------------------------------------------------

Err_Message = 1		'处理方式：1=提示信息,2=转向页面,3=先提示再转向

Err_Web = "Err.Asp"	'出错时转向的页面

Query_Badword="'∥and∥select∥update∥chr∥delete∥%20from∥;∥insert∥mid∥master.∥set∥chr(37)∥="     

'在这部份定义get非法参数,使用"∥"号间隔     

Form_Badword="'∥%∥&∥*∥#∥@∥(∥)∥=∥select∥and∥set∥delete"     '在这部份定义post非法参数,使用"∥"号间隔

'------定义部份  尾-----------------------------------------------------------------------

'
On Error Resume Next

'----- 对 get query 值 的过滤.

if request.QueryString<>"" then
Chk_badword=split(Query_Badword,"∥")
FOR EACH Query_form_name IN Request.QueryString
for i=0 to ubound(Chk_badword)
If Instr(LCase(request.QueryString(Query_form_name)),Chk_badword(i))<>0 Then
Select Case Err_Message
  Case "1"
Response.Write "<Script Language=JavaScript>alert('参数非法！');window.close();</Script>"
  Case "2"
Response.Write "<Script Language=JavaScript>location.href='"&Err_Web&"'</Script>"
  Case "3"
Response.Write "<Script Language=JavaScript>alert('参数非法！');location.href='"&Err_Web&"';</Script>"
End Select
Response.End
End If
NEXT
NEXT
End if

'-----对 post 表 单值的过滤.

if request.form<>"" then
Chk_badword=split(Form_Badword,"∥")
FOR EACH form_name IN Request.Form
for i=0 to ubound(Chk_badword)
If Instr(LCase(request.form(form_name)),Chk_badword(i))<>0 Then
Select Case Err_Message
  Case "1"
Response.Write "<Script Language=JavaScript>alert('出错了！参数非法！');window.close();</Script>"
  Case "2"
Response.Write "<Script Language=JavaScript>location.href='"&Err_Web&"'</Script>"
  Case "3"
Response.Write "<Script Language=JavaScript>alert('出错了！参数非法！');location.href='"&Err_Web&"';</Script>"
End Select
Response.End
End If
NEXT
NEXT
end if
%>