/* 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;
LinkedList <int> dataLinkedList = new LinkedList <int>();
dataLinkedList.AddLast(data);
dataLinkedList.AddLast(data);
dataLinkedList.AddLast(data);
CWE190_Integer_Overflow__int_File_multiply_73b.GoodG2BSink(dataLinkedList);
}
/* goodB2G() - use BadSource and GoodSink */
private static 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");
}
}
LinkedList <int> dataLinkedList = new LinkedList <int>();
dataLinkedList.AddLast(data);
dataLinkedList.AddLast(data);
dataLinkedList.AddLast(data);
CWE190_Integer_Overflow__int_File_multiply_73b.GoodB2GSink(dataLinkedList);
}
