/* goodG2B() - use goodsource and badsink */ private static 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__File_write_71b.GoodG2BSink((Object)count); }
/* goodB2G() - use badsource and goodsink */ private static void GoodB2G() { int count; count = int.MinValue; /* Initialize count */ { try { /* read string from file into count */ using (StreamReader sr = new StreamReader("data.txt")) { /* POTENTIAL FLAW: Read count 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 { 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__File_write_71b.GoodB2GSink((Object)count); }