/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE134_Uncontrolled_Format_String__console_readLine_printf_41.java
Label Definition File: CWE134_Uncontrolled_Format_String.label.xml
Template File: sources-sinks-41.tmpl.java
*/
/*
 * @description
 * CWE: 134 Uncontrolled Format String
 * BadSource: console_readLine Read data from the console using readLine()
 * GoodSource: A hardcoded string
 * Sinks: printf
 *    GoodSink: dynamic printf format with string defined
 *    BadSink : dynamic printf without validation
 * Flow Variant: 41 Data flow: data passed as an argument from one method to another in the same class
 *
 * */




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

import java.util.logging.Level;

public class CWE134_Uncontrolled_Format_String__console_readLine_printf_41 extends AbstractTestCase
{
    private void badSink(String data ) throws Throwable
    {

        if (data != null)
        {
            /* POTENTIAL FLAW: uncontrolled string formatting */
            System.out.printf(data);
        }

    }

    public void bad() throws Throwable
    {
        String data;

        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 */

        badSink(data  );
    }

    public void good() throws Throwable
    {
        goodG2B();
        goodB2G();
    }

    private void goodG2BSink(String data ) throws Throwable
    {

        if (data != null)
        {
            /* POTENTIAL FLAW: uncontrolled string formatting */
            System.out.printf(data);
        }

    }

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

        /* FIX: Use a hardcoded string */
        data = "foo";

        goodG2BSink(data  );
    }

    private void goodB2GSink(String data ) throws Throwable
    {

        if (data != null)
        {
            /* FIX: explicitly defined string formatting */
            System.out.printf("%s%n", data);
        }

    }

    /* goodB2G() - use badsource and goodsink */
    private void goodB2G() throws Throwable
    {
        String data;

        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 */

        goodB2GSink(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);
    }
}
