【ASP防止SQL注入方法】java防止sql注入的方法

通用防SQL注入代码ASP版

代码

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 ""

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 ""

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 "

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 ""

Response.end

End If