/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE470_Unsafe_Reflection__Environment_41.java
Label Definition File: CWE470_Unsafe_Reflection.label.xml
Template File: sources-sink-41.tmpl.java
*/
/*
 * @description
 * CWE: 470 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
 * BadSource: Environment Read data from an environment variable
 * GoodSource: Set data to a hardcoded class name
 * BadSink:  Instantiate class named in data
 * Flow Variant: 41 Data flow: data passed as an argument from one method to another in the same class
 *
 * */







public class CWE470_Unsafe_Reflection__Environment_41 extends AbstractTestCase
{
    private void badSink(String data ) throws Throwable
    {

        /* POTENTIAL FLAW: Instantiate object of class named in data (which may be from external input) */
        Class<?> tempClass = Class.forName(data);
        Object tempClassObject = tempClass.newInstance();

        IO.writeLine(tempClassObject.toString()); /* Use tempClassObject in some way */

    }

    public void bad() throws Throwable
    {
        String data;

        /* get environment variable ADD */
        /* POTENTIAL FLAW: Read data from an environment variable */
        data = System.getenv("ADD");

        badSink(data  );
    }

    public void good() throws Throwable
    {
        goodG2B();
    }

    private void goodG2BSink(String data ) throws Throwable
    {

        /* POTENTIAL FLAW: Instantiate object of class named in data (which may be from external input) */
        Class<?> tempClass = Class.forName(data);
        Object tempClassObject = tempClass.newInstance();

        IO.writeLine(tempClassObject.toString()); /* Use tempClassObject in some way */

    }

    /* goodG2B() - use goodsource and badsink */
    private void goodG2B() throws Throwable
    {
        String data;

        /* FIX: Use a hardcoded class name */
        data = "Testing.test";

        goodG2BSink(data  );
    }

    /* Below is the main(). It is only used when building this testcase on
     * its own for testing or for building a binary to use in testing binary
     * analysis tools. It is not used when compiling all the testcases as one
     * application, which is how source code analysis tools are tested.
     */
    public static void main(String[] args) throws ClassNotFoundException,
           InstantiationException, IllegalAccessException
    {
        mainFromParent(args);
    }
}
