用於防止sql注入攻擊的 函數,大家可以直接用了,不過大家光會用不行,要增強安全意識
復制代碼 代碼如下:
'==========================
'過濾提交表單中的SQL
'==========================
function ForSqlForm()
dim fqys,errc,i,items
dim nothis(18)
nothis(0)="net user"
nothis(1)="xp_cmdshell"
nothis(2)="/add"
nothis(3)="exec%20master.dbo.xp_cmdshell"
nothis(4)="net localgroup administrators"
nothis(5)="select"
nothis(6)="count"
nothis(7)="asc"
nothis(8)="char"
nothis(9)="mid"
nothis(10)="'"
nothis(11)=":"
nothis(12)=""""
nothis(13)="insert"
nothis(14)="delete"
nothis(15)="drop"
nothis(16)="truncate"
nothis(17)="from"
nothis(18)="%"
'nothis(19)="@"
errc=false
for i= 0 to ubound(nothis)
for each items in request.Form
if instr(request.Form(items),nothis(i))<>0 then
response.write("<div>")
response.write("你所填寫的信息:" & server.HTMLEncode(request.Form(items)) & "<br>含非法字符:" & nothis(i))
response.write("</div>")
response.write("對不起,你所填寫的信息含非法字符!<a href=""#"" onclick=""history.back()"">返回</a>")
response.End()
end if
next
next
end function
'==========================
'過濾查詢中的SQL
'==========================
function ForSqlInjection()
dim fqys,errc,i
dim nothis(19)
fqys = request.ServerVariables("QUERY_STRING")
nothis(0)="net user"
nothis(1)="xp_cmdshell"
nothis(2)="/add"
nothis(3)="exec%20master.dbo.xp_cmdshell"
nothis(4)="net localgroup administrators"
nothis(5)="select"
nothis(6)="count"
nothis(7)="asc"
nothis(8)="char"
nothis(9)="mid"
nothis(10)="'"
nothis(11)=":"
nothis(12)=""""
nothis(13)="insert"
nothis(14)="delete"
nothis(15)="drop"
nothis(16)="truncate"
nothis(17)="from"
nothis(18)="%"
nothis(19)="@"
errc=false
for i= 0 to ubound(nothis)
if instr(FQYs,nothis(i))<>0 then
errc=true
end if
next
if errc then
response.write "查詢信息含非法字符!<a href=""#"" onclick=""history.back()"">返回</a>"
response.end
end if
end function