防注入函数

防注入函数

Dim regEx, Match, Match2, Matches, Matches2
Set regEx = New RegExp
regEx.IgnoreCase = True
regEx.Global = True
regEx.MultiLine = True

If Request.QueryString <> "" Then Call StopInjection(Request.QueryString)
If Request.Cookies <> "" Then Call StopInjection(Request.Cookies)

Sub StopInjection(Values)
    Dim FoundInjection
    regEx.Pattern = "'|;|#|([\s\b+()]+(select|update|insert|delete|declare|@|exec|dbcc|alter|drop|create|backup|if|else|end|and|or|add|set|open|close|use|begin|retun|as|go|exists)[\s\b+]*)"
    Dim sItem, sValue
    For Each sItem In Values
        sValue = Values(sItem)
        If regEx.Test(sValue) Then
            FoundInjection = True
            Response.Write "很抱歉，由于您提交的内容中含有危险的SQL注入代码，致使本次操作无效！ "
            Response.Write "<br>字段名：" & sItem
            Response.Write "<br>字段值：" & sValue
            Response.Write "<br>关键字："
            Set Matches = regEx.Execute(sValue)
            For Each Match In Matches
                Response.Write FilterJS(Match.value)
            Next
            Response.Write "<br><br>如果您是正常提交仍出现上面的提示，请联系站长修改Config.asp文件的第7行，暂时禁用掉防SQL注入功能，操作完成后再打开。"
                    
        End If
    Next
    If FoundInjection = True Then
        Response.End
    End If
End Sub