Ejemplo n.º 1
0
        /* goodG2B() - use goodsource and badsink */
        private static void GoodG2B()
        {
            double data;

            /* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */
            data = 2;
            Dictionary <int, double> dataDictionary = new Dictionary <int, double>();

            dataDictionary.Add(0, data);
            dataDictionary.Add(1, data);
            dataDictionary.Add(2, data);
            CWE197_Numeric_Truncation_Error__double_connect_tcp_to_long_74b.GoodG2BSink(dataDictionary);
        }
Ejemplo n.º 2
0
        public override void Bad()
        {
            double data;

            data = double.MinValue; /* Initialize data */
            /* Read data using an outbound tcp connection */
            {
                TcpClient    tcpConn = null;
                StreamReader sr      = null;
                try
                {
                    /* Read data using an outbound tcp connection */
                    tcpConn = new TcpClient("host.example.org", 39544);
                    /* read input from socket */
                    sr = new StreamReader(tcpConn.GetStream());
                    /* FLAW: Read data using an outbound tcp connection */
                    string stringNumber = sr.ReadLine();
                    if (stringNumber != null) /* avoid NPD incidental warnings */
                    {
                        try
                        {
                            data = double.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");
                }
                finally
                {
                    /* clean up stream reading objects */
                    try
                    {
                        if (sr != null)
                        {
                            sr.Close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.Logger.Log(NLog.LogLevel.Warn, exceptIO, "Error closing InputStreamReader");
                    }

                    /* clean up socket objects */
                    try
                    {
                        if (tcpConn != null)
                        {
                            tcpConn.Close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.Logger.Log(NLog.LogLevel.Warn, exceptIO, "Error closing Socket");
                    }
                }
            }
            Dictionary <int, double> dataDictionary = new Dictionary <int, double>();

            dataDictionary.Add(0, data);
            dataDictionary.Add(1, data);
            dataDictionary.Add(2, data);
            CWE197_Numeric_Truncation_Error__double_connect_tcp_to_long_74b.BadSink(dataDictionary);
        }