Zwei Funktionen auf ASP zur Verhinderung von SQL-Injection-Angriffen

'==========================
'过滤提交表单中的SQL
'==========================
Funktion ForSqlForm()
dim fqys,errc,i,items
dimme nichts(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 )="von"

nothis(18)="%"

'nothis(19)="@"

errc=false

für i= 0 bis ubound(nothis)
für jeden Artikel im Anfrageformular
wenn instr(request.Form(items),nothis(i))<>0 dann
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>")
Antwort.End()
Ende wenn
nächste
nächste
Endfunktion
'==========================
'过滤查询中的SQL
'==========================
Funktion ForSqlInjection()
dim fqys,errc,i
dimme nichts(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 )="von"

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-Funktion