/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE23_Relative_Path_Traversal__database_75a.java
Label Definition File: CWE23_Relative_Path_Traversal.label.xml
Template File: sources-sink-75a.tmpl.java
*/
/*
 * @description
 * CWE: 23 Relative Path Traversal
 * BadSource: database Read data from a database
 * GoodSource: A hardcoded string
 * Sinks: readFile
 *    BadSink : no validation
 * Flow Variant: 75 Data flow: data passed in a serialized object from one method to another in different source files in the same package
 *
 * */




import java.io.ByteArrayOutputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.io.IOException;
import java.util.logging.Level;

import java.io.*;


import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;


public class CWE23_Relative_Path_Traversal__database_75a extends AbstractTestCase
{
    public void bad() throws Throwable
    {
        String data;

        data = ""; /* Initialize data */

        /* Read data from a database */
        {
            Connection connection = null;
            PreparedStatement preparedStatement = null;
            ResultSet resultSet = null;

            try
            {
                /* setup the connection */
                connection = IO.getDBConnection();

                /* prepare and execute a (hardcoded) query */
                preparedStatement = connection.prepareStatement("select name from users where id=0");
                resultSet = preparedStatement.executeQuery();

                /* POTENTIAL FLAW: Read data from a database query resultset */
                data = resultSet.getString(1);
            }
            catch (SQLException exceptSql)
            {
                IO.logger.log(Level.WARNING, "Error with SQL statement", exceptSql);
            }
            finally
            {
                /* Close database objects */
                try
                {
                    if (resultSet != null)
                    {
                        resultSet.close();
                    }
                }
                catch (SQLException exceptSql)
                {
                    IO.logger.log(Level.WARNING, "Error closing ResultSet", exceptSql);
                }

                try
                {
                    if (preparedStatement != null)
                    {
                        preparedStatement.close();
                    }
                }
                catch (SQLException exceptSql)
                {
                    IO.logger.log(Level.WARNING, "Error closing PreparedStatement", exceptSql);
                }

                try
                {
                    if (connection != null)
                    {
                        connection.close();
                    }
                }
                catch (SQLException exceptSql)
                {
                    IO.logger.log(Level.WARNING, "Error closing Connection", exceptSql);
                }
            }
        }

        /* serialize data to a byte array */
        ByteArrayOutputStream streamByteArrayOutput = null;
        ObjectOutput outputObject = null;

        try
        {
            streamByteArrayOutput = new ByteArrayOutputStream() ;
            outputObject = new ObjectOutputStream(streamByteArrayOutput) ;
            outputObject.writeObject(data);
            byte[] dataSerialized = streamByteArrayOutput.toByteArray();
            (new CWE23_Relative_Path_Traversal__database_75b()).badSink(dataSerialized  );
        }
        catch (IOException exceptIO)
        {
            IO.logger.log(Level.WARNING, "IOException in serialization", exceptIO);
        }
        finally
        {
            /* clean up stream writing objects */
            try
            {
                if (outputObject != null)
                {
                    outputObject.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing ObjectOutputStream", exceptIO);
            }

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

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

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

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

        /* serialize data to a byte array */
        ByteArrayOutputStream streamByteArrayOutput = null;
        ObjectOutput outputObject = null;

        try
        {
            streamByteArrayOutput = new ByteArrayOutputStream() ;
            outputObject = new ObjectOutputStream(streamByteArrayOutput) ;
            outputObject.writeObject(data);
            byte[] dataSerialized = streamByteArrayOutput.toByteArray();
            (new CWE23_Relative_Path_Traversal__database_75b()).goodG2BSink(dataSerialized  );
        }
        catch (IOException exceptIO)
        {
            IO.logger.log(Level.WARNING, "IOException in serialization", exceptIO);
        }
        finally
        {
            /* clean up stream writing objects */
            try
            {
                if (outputObject != null)
                {
                    outputObject.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing ObjectOutputStream", exceptIO);
            }

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