public override void Bad()
{
int data;
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");
}
}
}
Hashtable dataHashtable = new Hashtable(5);
dataHashtable.Add(0, data);
dataHashtable.Add(1, data);
dataHashtable.Add(2, data);
CWE197_Numeric_Truncation_Error__int_Environment_to_short_72b.BadSink(dataHashtable);
}
/* goodG2B() - use goodsource and badsink */
private static 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;
Hashtable dataHashtable = new Hashtable(5);
dataHashtable.Add(0, data);
dataHashtable.Add(1, data);
dataHashtable.Add(2, data);
CWE197_Numeric_Truncation_Error__int_Environment_to_short_72b.GoodG2BSink(dataHashtable);
}
