/* goodG2B() - use goodsource and badsink */ private void GoodG2B() { int count; /* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */ count = 2; CWE400_Uncontrolled_Resource_Consumption__Connect_tcp_write_52b.GoodG2BSink(count); }
/* goodB2G() - use badsource and goodsink */ private void GoodB2G() { int count; count = int.MinValue; /* Initialize count */ /* Read data using an outbound tcp connection */ { try { String stringNumber = ""; /* Read data using an outbound tcp connection */ using (TcpClient tcpConn = new TcpClient("host.example.org", 39544)) { /* read input from socket */ using (StreamReader sr = new StreamReader(tcpConn.GetStream())) { /* POTENTIAL FLAW: Read count using an outbound tcp connection */ stringNumber = sr.ReadLine(); } } if (stringNumber != null) /* avoid NPD incidental warnings */ { try { count = int.Parse(stringNumber.Trim()); } catch (FormatException exceptNumberFormat) { IO.Logger.Log(NLog.LogLevel.Warn, exceptNumberFormat, "Number format exception parsing count from string"); } } } catch (IOException exceptIO) { IO.Logger.Log(NLog.LogLevel.Warn, exceptIO, "Error with stream reading"); } } CWE400_Uncontrolled_Resource_Consumption__Connect_tcp_write_52b.GoodB2GSink(count); }