/* goodG2B() - use goodsource and badsink */ private void GoodG2B() { float data; /* FIX: Use a hardcoded number that won't a divide by zero */ data = 2.0f; CWE369_Divide_by_Zero__float_NetClient_modulo_52b.GoodG2BSink(data); }
/* goodB2G() - use badsource and goodsink */ private void GoodB2G() { float data; data = -1.0f; /* Initialize data */ /* read input from WebClient */ { try { using (WebClient client = new WebClient()) { using (StreamReader sr = new StreamReader(client.OpenRead("http://www.example.org/"))) { /* POTENTIAL FLAW: Read data from a web server with WebClient */ /* This will be reading the first "line" of the response body, * which could be very long if there are no newlines in the HTML */ string stringNumber = sr.ReadLine(); if (stringNumber != null) // avoid NPD incidental warnings { try { data = int.Parse(stringNumber.Trim()); } catch (FormatException exceptNumberFormat) { IO.Logger.Log(NLog.LogLevel.Warn, exceptNumberFormat, "Number format exception parsing data from string"); } } } } } catch (IOException exceptIO) { IO.Logger.Log(NLog.LogLevel.Warn, exceptIO, "Error with stream reading"); } } CWE369_Divide_by_Zero__float_NetClient_modulo_52b.GoodB2GSink(data); }