/* goodG2B() - use goodsource and badsink */ private void GoodG2B() { int data = 0; /* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */ data = 2; goodG2BPublicStatic = true; CWE190_Integer_Overflow__int_Environment_square_22b.GoodG2BSink(data); }
/* goodB2G2() - use badsource and goodsink by reversing the blocks in the if in the sink function */ private void GoodB2G2() { int data = 0; data = int.MinValue; /* Initialize data */ /* get environment variable ADD */ /* POTENTIAL FLAW: Read data from an environment variable */ { string stringNumber = Environment.GetEnvironmentVariable("ADD"); 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"); } } } goodB2G2PublicStatic = true; CWE190_Integer_Overflow__int_Environment_square_22b.GoodB2G2Sink(data); }