/* GoodG2B2() - use goodsource and badsink by reversing the blocks in the first switch */
private void GoodG2B2()
{
StringBuilder data;
switch (6)
{
case 6:
/* FIX: call getStringBuilderGood(), which will never return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderGood();
break;
default:
/* INCIDENTAL: CWE 561 Dead Code, the code below will never run
* but ensure data is inititialized before the Sink to avoid compiler errors */
data = null;
break;
}
switch (7)
{
case 7:
/* POTENTIAL FLAW: data could be null */
string stringTrimmed = data.ToString().Trim();
IO.WriteLine(stringTrimmed);
break;
default:
/* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
IO.WriteLine("Benign, fixed string");
break;
}
}
/* goodG2B() - use goodsource and badsink by changing the first "if" so that
* both branches use the GoodSource */
private void GoodG2B()
{
StringBuilder data;
if (IO.StaticReturnsTrueOrFalse())
{
/* FIX: call getStringBuilderGood(), which will never return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderGood();
}
else
{
/* FIX: call getStringBuilderGood(), which will never return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderGood();
}
if (IO.StaticReturnsTrueOrFalse())
{
/* POTENTIAL FLAW: data could be null */
string stringTrimmed = data.ToString().Trim();
IO.WriteLine(stringTrimmed);
}
else
{
/* POTENTIAL FLAW: data could be null */
string stringTrimmed = data.ToString().Trim();
IO.WriteLine(stringTrimmed);
}
}
public override void Bad()
{
StringBuilder data;
if (IO.StaticReturnsTrueOrFalse())
{
/* POTENTIAL FLAW: Call getStringBuilderBad(), which may return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderBad();
}
else
{
/* FIX: call getStringBuilderGood(), which will never return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderGood();
}
if (IO.StaticReturnsTrueOrFalse())
{
/* POTENTIAL FLAW: data could be null */
string stringTrimmed = data.ToString().Trim();
IO.WriteLine(stringTrimmed);
}
else
{
/* FIX: explicit check for null */
if (data != null)
{
string stringTrimmed = data.ToString().Trim();
IO.WriteLine(stringTrimmed);
}
}
}
/* goodG2B() - use goodsource and badsink */
public static StringBuilder GoodG2BSource()
{
StringBuilder data;
/* FIX: call getStringBuilderGood(), which will never return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderGood();
return(data);
}
/* goodG2B() - use GoodSource and BadSink */
private void GoodG2B()
{
StringBuilder data;
/* FIX: call getStringBuilderGood(), which will never return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderGood();
CWE690_NULL_Deref_From_Return__Class_StringBuilder_81_base baseObject = new CWE690_NULL_Deref_From_Return__Class_StringBuilder_81_goodG2B();
baseObject.Action(data);
}
/* goodG2B() - use goodsource and badsink */
private static void GoodG2B()
{
StringBuilder data;
/* FIX: call getStringBuilderGood(), which will never return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderGood();
Container dataContainer = new Container();
dataContainer.containerOne = data;
CWE690_NULL_Deref_From_Return__Class_StringBuilder_67b.GoodG2BSink(dataContainer);
}
/* goodG2B() - use goodsource and badsink */
private void GoodG2B()
{
StringBuilder data;
/* FIX: call getStringBuilderGood(), which will never return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderGood();
for (int j = 0; j < 1; j++)
{
/* POTENTIAL FLAW: data could be null */
string stringTrimmed = data.ToString().Trim();
IO.WriteLine(stringTrimmed);
}
}
/* goodG2B() - use GoodSource and BadSink */
private static void GoodG2B()
{
StringBuilder data;
/* FIX: call getStringBuilderGood(), which will never return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderGood();
Dictionary <int, StringBuilder> dataDictionary = new Dictionary <int, StringBuilder>();
dataDictionary.Add(0, data);
dataDictionary.Add(1, data);
dataDictionary.Add(2, data);
CWE690_NULL_Deref_From_Return__Class_StringBuilder_74b.GoodG2BSink(dataDictionary);
}
/* goodG2B() - use GoodSource and BadSink */
private static void GoodG2B()
{
StringBuilder data;
/* FIX: call getStringBuilderGood(), which will never return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderGood();
LinkedList <StringBuilder> dataLinkedList = new LinkedList <StringBuilder>();
dataLinkedList.AddLast(data);
dataLinkedList.AddLast(data);
dataLinkedList.AddLast(data);
CWE690_NULL_Deref_From_Return__Class_StringBuilder_73b.GoodG2BSink(dataLinkedList);
}
/* goodG2B() - use GoodSource and BadSink */
private static void GoodG2B()
{
StringBuilder data;
/* FIX: call getStringBuilderGood(), which will never return null */
data = CWE690_NULL_Deref_From_Return__Class_Helper.getStringBuilderGood();
Hashtable dataHashtable = new Hashtable(5);
dataHashtable.Add(0, data);
dataHashtable.Add(1, data);
dataHashtable.Add(2, data);
CWE690_NULL_Deref_From_Return__Class_StringBuilder_72b.GoodG2BSink(dataHashtable);
}
