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ASP上两个防止SQL注入式攻击Function_asp

asp 搞代码 3年前 (2018-08-10) 93次浏览 已收录 0个评论

”==========================
”过滤提交表单中的SQL
”==========================
function ForSqlForm()
dim fqys,errc,i,items
dim nothis(18)
nothis(0)="net user"

nothis(1)="xp_cmdshell"

http://www.gaodaima.com/66327.htmlasp上两个防止SQL注入式攻击Function_asp

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("你所填写的信息:" & server.HTMLEncode(request.Form(items)) & "<br>含非法字符:" & nothis(i))
   response.write("</div>")
   response.write("对不起,你所填写的信息含非法字符!<a href=""#"" onclick=""history.back()"">返回</a>")
   response.End()
  end if
  next
next
end function
”==========================
”过滤查询中的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 "查询信息含非法字符!<a href=""#"" onclick=""history.back()"">返回</a>"
response.end

end if

end function

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