/* goodB2G() - use BadSource and GoodSink */ private static void GoodB2G(HttpRequest req, HttpResponse resp) { string data; data = ""; /* Initialize data */ { try { /* read string from file into data */ using (StreamReader sr = new StreamReader("data.txt")) { /* POTENTIAL FLAW: Read data from a file */ /* This will be reading the first "line" of the file, which * could be very long if there are little or no newlines in the file */ data = sr.ReadLine(); } } catch (IOException exceptIO) { IO.Logger.Log(NLog.LogLevel.Warn, exceptIO, "Error with stream reading"); } } Hashtable dataHashtable = new Hashtable(5); dataHashtable.Add(0, data); dataHashtable.Add(1, data); dataHashtable.Add(2, data); CWE89_SQL_Injection__Web_File_ExecuteScalar_72b.GoodB2GSink(dataHashtable, req, resp); }
/* goodG2B() - use GoodSource and BadSink */ private static void GoodG2B(HttpRequest req, HttpResponse resp) { string data; /* FIX: Use a hardcoded string */ data = "foo"; Hashtable dataHashtable = new Hashtable(5); dataHashtable.Add(0, data); dataHashtable.Add(1, data); dataHashtable.Add(2, data); CWE89_SQL_Injection__Web_File_ExecuteScalar_72b.GoodG2BSink(dataHashtable, req, resp); }