/* goodB2G1() - use badsource and goodsink by setting the static variable to false instead of true */ private void GoodB2G1(HttpRequest req, HttpResponse resp) { string data = null; data = ""; /* 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 */ data = sr.ReadLine(); } } } catch (IOException exceptIO) { IO.Logger.Log(NLog.LogLevel.Warn, exceptIO, "Error with stream reading"); } } goodB2G1PublicStatic = false; CWE113_HTTP_Response_Splitting__Web_NetClient_addHeader_22b.GoodB2G1Sink(data, req, resp); }
/* goodG2B() - use goodsource and badsink */ private void GoodG2B(HttpRequest req, HttpResponse resp) { string data = null; /* FIX: Use a hardcoded string */ data = "foo"; goodG2BPublicStatic = true; CWE113_HTTP_Response_Splitting__Web_NetClient_addHeader_22b.GoodG2BSink(data, req, resp); }