/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE36_Absolute_Path_Traversal__connect_tcp_22a.java
Label Definition File: CWE36_Absolute_Path_Traversal.label.xml
Template File: sources-sink-22a.tmpl.java
*/
/*
 * @description
 * CWE: 36 Absolute Path Traversal
 * BadSource: connect_tcp Read data using an outbound tcp connection
 * GoodSource: A hardcoded string
 * Sinks: readFile
 *    BadSink : read line from file from disk
 * 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.*;


import java.util.logging.Level;

public class CWE36_Absolute_Path_Traversal__connect_tcp_22a extends AbstractTestCase
{
    /* The public static variable below is used to drive control flow in the source function.
     * The public static variable mimics a global variable in the C/C++ language family. */
    public static boolean badPublicStatic = false;

    public void bad() throws Throwable
    {
        String data;

        badPublicStatic = true;
        data = (new CWE36_Absolute_Path_Traversal__connect_tcp_22b()).badSource();

        /* POTENTIAL FLAW: unvalidated or sandboxed value */
        if (data != null)
        {
            File file = new File(data);
            FileInputStream streamFileInputSink = null;
            InputStreamReader readerInputStreamSink = null;
            BufferedReader readerBufferdSink = null;
            if (file.exists() && file.isFile())
            {
                try
                {
                    streamFileInputSink = new FileInputStream(file);
                    readerInputStreamSink = new InputStreamReader(streamFileInputSink, "UTF-8");
                    readerBufferdSink = new BufferedReader(readerInputStreamSink);
                    IO.writeLine(readerBufferdSink.readLine());
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
                }
                finally
                {
                    /* Close stream reading objects */
                    try
                    {
                        if (readerBufferdSink != null)
                        {
                            readerBufferdSink.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing BufferedReader", exceptIO);
                    }

                    try
                    {
                        if (readerInputStreamSink != null)
                        {
                            readerInputStreamSink.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing InputStreamReader", exceptIO);
                    }

                    try
                    {
                        if (streamFileInputSink != null)
                        {
                            streamFileInputSink.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing FileInputStream", exceptIO);
                    }
                }
            }
        }

    }

    /* The public static variables below are used to drive control flow in the source functions.
     * The public static variable mimics a global variable in the C/C++ language family. */
    public static boolean goodG2B1PublicStatic = false;
    public static boolean goodG2B2PublicStatic = false;

    public void good() throws Throwable
    {
        goodG2B1();
        goodG2B2();
    }

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

        goodG2B1PublicStatic = false;
        data = (new CWE36_Absolute_Path_Traversal__connect_tcp_22b()).goodG2B1Source();

        /* POTENTIAL FLAW: unvalidated or sandboxed value */
        if (data != null)
        {
            File file = new File(data);
            FileInputStream streamFileInputSink = null;
            InputStreamReader readerInputStreamSink = null;
            BufferedReader readerBufferdSink = null;
            if (file.exists() && file.isFile())
            {
                try
                {
                    streamFileInputSink = new FileInputStream(file);
                    readerInputStreamSink = new InputStreamReader(streamFileInputSink, "UTF-8");
                    readerBufferdSink = new BufferedReader(readerInputStreamSink);
                    IO.writeLine(readerBufferdSink.readLine());
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
                }
                finally
                {
                    /* Close stream reading objects */
                    try
                    {
                        if (readerBufferdSink != null)
                        {
                            readerBufferdSink.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing BufferedReader", exceptIO);
                    }

                    try
                    {
                        if (readerInputStreamSink != null)
                        {
                            readerInputStreamSink.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing InputStreamReader", exceptIO);
                    }

                    try
                    {
                        if (streamFileInputSink != null)
                        {
                            streamFileInputSink.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing FileInputStream", exceptIO);
                    }
                }
            }
        }

    }

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

        goodG2B2PublicStatic = true;
        data = (new CWE36_Absolute_Path_Traversal__connect_tcp_22b()).goodG2B2Source();

        /* POTENTIAL FLAW: unvalidated or sandboxed value */
        if (data != null)
        {
            File file = new File(data);
            FileInputStream streamFileInputSink = null;
            InputStreamReader readerInputStreamSink = null;
            BufferedReader readerBufferdSink = null;
            if (file.exists() && file.isFile())
            {
                try
                {
                    streamFileInputSink = new FileInputStream(file);
                    readerInputStreamSink = new InputStreamReader(streamFileInputSink, "UTF-8");
                    readerBufferdSink = new BufferedReader(readerInputStreamSink);
                    IO.writeLine(readerBufferdSink.readLine());
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
                }
                finally
                {
                    /* Close stream reading objects */
                    try
                    {
                        if (readerBufferdSink != null)
                        {
                            readerBufferdSink.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing BufferedReader", exceptIO);
                    }

                    try
                    {
                        if (readerInputStreamSink != null)
                        {
                            readerInputStreamSink.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing InputStreamReader", exceptIO);
                    }

                    try
                    {
                        if (streamFileInputSink != null)
                        {
                            streamFileInputSink.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing FileInputStream", exceptIO);
                    }
                }
            }
        }

    }

    /* 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);
    }

}
