/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE89_SQL_Injection__File_executeQuery_16.java
Label Definition File: CWE89_SQL_Injection.label.xml
Template File: sources-sinks-16.tmpl.java
*/
/*
* @description
* CWE: 89 SQL Injection
* BadSource: File Read data from file (named c:\data.txt)
* GoodSource: A hardcoded string
* Sinks: executeQuery
*    GoodSink: Use prepared statement and executeQuery (properly)
*    BadSink : data concatenated into SQL statement used in executeQuery(), which could result in SQL Injection
* Flow Variant: 16 Control flow: while(true)
*
* */






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

import java.util.logging.Level;

import java.sql.*;


public class CWE89_SQL_Injection__File_executeQuery_16 extends AbstractTestCase
{
    public void bad() throws Throwable
    {
        String data;

        while (true)
        {
            data = ""; /* Initialize data */
            {
                File file = new File("C:\\data.txt");
                FileInputStream streamFileInput = null;
                InputStreamReader readerInputStream = null;
                BufferedReader readerBuffered = null;
                try
                {
                    /* read string from file into data */
                    streamFileInput = new FileInputStream(file);
                    readerInputStream = new InputStreamReader(streamFileInput, "UTF-8");
                    readerBuffered = new BufferedReader(readerInputStream);
                    /* POTENTIAL FLAW: Read data from a file */
                    /* This will be reading the first "line" of the file, which
                     * could be very long if there are little or no newlines in the file */
                    data = readerBuffered.readLine();
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
                }
                finally
                {
                    /* Close stream reading objects */
                    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);
                    }

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

        while (true)
        {
            Connection dbConnection = null;
            Statement sqlStatement = null;
            ResultSet resultSet = null;
            try
            {
                dbConnection = IO.getDBConnection();
                sqlStatement = dbConnection.createStatement();
                /* POTENTIAL FLAW: data concatenated into SQL statement used in executeQuery(), which could result in SQL Injection */
                resultSet = sqlStatement.executeQuery("select * from users where name='"+data+"'");
                IO.writeLine(resultSet.getRow()); /* Use ResultSet in some way */
            }
            catch (SQLException exceptSql)
            {
                IO.logger.log(Level.WARNING, "Error getting database connection", exceptSql);
            }
            finally
            {
                try
                {
                    if (resultSet != null)
                    {
                        resultSet.close();
                    }
                }
                catch (SQLException exceptSql)
                {
                    IO.logger.log(Level.WARNING, "Error closing ResultSet", exceptSql);
                }

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

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

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

        while (true)
        {
            /* FIX: Use a hardcoded string */
            data = "foo";
            break;
        }

        while (true)
        {
            Connection dbConnection = null;
            Statement sqlStatement = null;
            ResultSet resultSet = null;
            try
            {
                dbConnection = IO.getDBConnection();
                sqlStatement = dbConnection.createStatement();
                /* POTENTIAL FLAW: data concatenated into SQL statement used in executeQuery(), which could result in SQL Injection */
                resultSet = sqlStatement.executeQuery("select * from users where name='"+data+"'");
                IO.writeLine(resultSet.getRow()); /* Use ResultSet in some way */
            }
            catch (SQLException exceptSql)
            {
                IO.logger.log(Level.WARNING, "Error getting database connection", exceptSql);
            }
            finally
            {
                try
                {
                    if (resultSet != null)
                    {
                        resultSet.close();
                    }
                }
                catch (SQLException exceptSql)
                {
                    IO.logger.log(Level.WARNING, "Error closing ResultSet", exceptSql);
                }

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

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

    }

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

        while (true)
        {
            data = ""; /* Initialize data */
            {
                File file = new File("C:\\data.txt");
                FileInputStream streamFileInput = null;
                InputStreamReader readerInputStream = null;
                BufferedReader readerBuffered = null;
                try
                {
                    /* read string from file into data */
                    streamFileInput = new FileInputStream(file);
                    readerInputStream = new InputStreamReader(streamFileInput, "UTF-8");
                    readerBuffered = new BufferedReader(readerInputStream);
                    /* POTENTIAL FLAW: Read data from a file */
                    /* This will be reading the first "line" of the file, which
                     * could be very long if there are little or no newlines in the file */
                    data = readerBuffered.readLine();
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
                }
                finally
                {
                    /* Close stream reading objects */
                    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);
                    }

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

        while (true)
        {
            Connection dbConnection = null;
            PreparedStatement sqlStatement = null;
            ResultSet resultSet = null;
            try
            {
                /* FIX: Use prepared statement and executeQuery (properly) */
                dbConnection = IO.getDBConnection();
                sqlStatement = dbConnection.prepareStatement("select * from users where name=?");
                sqlStatement.setString(1, data);
                resultSet = sqlStatement.executeQuery();
                IO.writeLine(resultSet.getRow()); /* Use ResultSet in some way */
            }
            catch (SQLException exceptSql)
            {
                IO.logger.log(Level.WARNING, "Error getting database connection", exceptSql);
            }
            finally
            {
                try
                {
                    if (resultSet != null)
                    {
                        resultSet.close();
                    }
                }
                catch (SQLException exceptSql)
                {
                    IO.logger.log(Level.WARNING, "Error closing ResultSet", exceptSql);
                }

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

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

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

    /* 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);
    }
}
