Example #1
0
        /* goodG2B() - use goodsource and badsink */
        private void GoodG2B()
        {
            int data;

            /* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */
            data = 2;
            CWE191_Integer_Underflow__int_File_sub_52b.GoodG2BSink(data);
        }
Example #2
0
        /* goodB2G() - use badsource and goodsink */
        private void GoodB2G()
        {
            int data;

            data = int.MinValue; /* 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 */
                        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");
                }
            }
            CWE191_Integer_Underflow__int_File_sub_52b.GoodB2GSink(data);
        }