/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE470_Unsafe_Reflection__console_readLine_22b.java
Label Definition File: CWE470_Unsafe_Reflection.label.xml
Template File: sources-sink-22b.tmpl.java
*/
/*
 * @description
 * CWE: 470 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
 * BadSource: console_readLine Read data from the console using readLine()
 * GoodSource: Set data to a hardcoded class name
 * Sinks:
 *    BadSink : Instantiate class named in data
 * Flow Variant: 22 Control flow: Flow controlled by value of a public static variable. Sink functions are in a separate file from sources.
 *
 * */







import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

import java.util.logging.Level;

public class CWE470_Unsafe_Reflection__console_readLine_22b
{
    public String badSource() throws Throwable
    {
        String data;

        if (CWE470_Unsafe_Reflection__console_readLine_22a.badPublicStatic)
        {
            data = ""; /* Initialize data */
            {
                InputStreamReader readerInputStream = null;
                BufferedReader readerBuffered = null;
                /* read user input from console with readLine */
                try
                {
                    readerInputStream = new InputStreamReader(System.in, "UTF-8");
                    readerBuffered = new BufferedReader(readerInputStream);
                    /* POTENTIAL FLAW: Read data from the console using readLine */
                    data = readerBuffered.readLine();
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
                }
                finally
                {
                    try
                    {
                        if (readerBuffered != null)
                        {
                            readerBuffered.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing BufferedReader", exceptIO);
                    }

                    try
                    {
                        if (readerInputStream != null)
                        {
                            readerInputStream.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing InputStreamReader", exceptIO);
                    }
                }
            }
            /* NOTE: Tools may report a flaw here because buffread and isr are not closed.  Unfortunately, closing those will close System.in, which will cause any future attempts to read from the console to fail and throw an exception */
        }
        else
        {
            /* 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;
        }
        return data;
    }

    /* goodG2B1() - use goodsource and badsink by setting the static variable to false instead of true */
    public String goodG2B1Source() throws Throwable
    {
        String data;

        if (CWE470_Unsafe_Reflection__console_readLine_22a.goodG2B1PublicStatic)
        {
            /* 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;
        }
        else
        {

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

        }

        return data;
    }

    /* goodG2B2() - use goodsource and badsink by reversing the blocks in the if in the sink function */
    public String goodG2B2Source() throws Throwable
    {
        String data;

        if (CWE470_Unsafe_Reflection__console_readLine_22a.goodG2B2PublicStatic)
        {
            /* FIX: Use a hardcoded class name */
            data = "Testing.test";
        }
        else
        {
            /* 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;
        }

        return data;
    }
}
