/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE89_SQL_Injection__connect_tcp_execute_11.java
Label Definition File: CWE89_SQL_Injection.label.xml
Template File: sources-sinks-11.tmpl.java
*/
/*
* @description
* CWE: 89 SQL Injection
* BadSource: connect_tcp Read data using an outbound tcp connection
* GoodSource: A hardcoded string
* Sinks: execute
*    GoodSink: Use prepared statement and execute (properly)
*    BadSink : data concatenated into SQL statement used in execute(), which could result in SQL Injection
* Flow Variant: 11 Control flow: if(IO.staticReturnsTrue()) and if(IO.staticReturnsFalse())
*
* */






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

import java.util.logging.Level;

import java.sql.*;


public class CWE89_SQL_Injection__connect_tcp_execute_11 extends AbstractTestCase
{
    public void bad() throws Throwable
    {
        String data;
        if (IO.staticReturnsTrue())
        {
            data = ""; /* Initialize data */
            /* Read data using an outbound tcp connection */
            {
                Socket socket = null;
                BufferedReader readerBuffered = null;
                InputStreamReader readerInputStream = null;
                try
                {
                    /* Read data using an outbound tcp connection */
                    socket = new Socket("host.example.org", 39544);
                    /* read input from socket */
                    readerInputStream = new InputStreamReader(socket.getInputStream(), "UTF-8");
                    readerBuffered = new BufferedReader(readerInputStream);
                    /* POTENTIAL FLAW: Read data using an outbound tcp connection */
                    data = readerBuffered.readLine();
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
                }
                finally
                {
                    /* clean up 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);
                    }

                    /* clean up socket objects */
                    try
                    {
                        if (socket != null)
                        {
                            socket.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing Socket", exceptIO);
                    }
                }
            }
        }
        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;
        }

        if(IO.staticReturnsTrue())
        {
            Connection dbConnection = null;
            Statement sqlStatement = null;
            try
            {
                dbConnection = IO.getDBConnection();
                sqlStatement = dbConnection.createStatement();
                /* POTENTIAL FLAW: data concatenated into SQL statement used in execute(), which could result in SQL Injection */
                Boolean result = sqlStatement.execute("insert into users (status) values ('updated') where name='"+data+"'");
                if(result)
                {
                    IO.writeLine("Name, " + data + ", updated successfully");
                }
                else
                {
                    IO.writeLine("Unable to update records for user: " + data);
                }
            }
            catch (SQLException exceptSql)
            {
                IO.logger.log(Level.WARNING, "Error getting database connection", exceptSql);
            }
            finally
            {
                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);
                }
            }
        }
    }

    /* goodG2B1() - use goodsource and badsink by changing first IO.staticReturnsTrue() to IO.staticReturnsFalse() */
    private void goodG2B1() throws Throwable
    {
        String data;
        if (IO.staticReturnsFalse())
        {
            /* 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 string */
            data = "foo";

        }

        if (IO.staticReturnsTrue())
        {
            Connection dbConnection = null;
            Statement sqlStatement = null;
            try
            {
                dbConnection = IO.getDBConnection();
                sqlStatement = dbConnection.createStatement();
                /* POTENTIAL FLAW: data concatenated into SQL statement used in execute(), which could result in SQL Injection */
                Boolean result = sqlStatement.execute("insert into users (status) values ('updated') where name='"+data+"'");
                if(result)
                {
                    IO.writeLine("Name, " + data + ", updated successfully");
                }
                else
                {
                    IO.writeLine("Unable to update records for user: " + data);
                }
            }
            catch (SQLException exceptSql)
            {
                IO.logger.log(Level.WARNING, "Error getting database connection", exceptSql);
            }
            finally
            {
                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);
                }
            }
        }
    }

    /* goodG2B2() - use goodsource and badsink by reversing statements in first if */
    private void goodG2B2() throws Throwable
    {
        String data;

        if (IO.staticReturnsTrue())
        {
            /* FIX: Use a hardcoded string */
            data = "foo";
        }
        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;
        }

        if (IO.staticReturnsTrue())
        {
            Connection dbConnection = null;
            Statement sqlStatement = null;
            try
            {
                dbConnection = IO.getDBConnection();
                sqlStatement = dbConnection.createStatement();
                /* POTENTIAL FLAW: data concatenated into SQL statement used in execute(), which could result in SQL Injection */
                Boolean result = sqlStatement.execute("insert into users (status) values ('updated') where name='"+data+"'");
                if(result)
                {
                    IO.writeLine("Name, " + data + ", updated successfully");
                }
                else
                {
                    IO.writeLine("Unable to update records for user: " + data);
                }
            }
            catch (SQLException exceptSql)
            {
                IO.logger.log(Level.WARNING, "Error getting database connection", exceptSql);
            }
            finally
            {
                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);
                }
            }
        }
    }

    /* goodB2G1() - use badsource and goodsink by changing second IO.staticReturnsTrue() to IO.staticReturnsFalse() */
    private void goodB2G1() throws Throwable
    {
        String data;
        if (IO.staticReturnsTrue())
        {
            data = ""; /* Initialize data */
            /* Read data using an outbound tcp connection */
            {
                Socket socket = null;
                BufferedReader readerBuffered = null;
                InputStreamReader readerInputStream = null;
                try
                {
                    /* Read data using an outbound tcp connection */
                    socket = new Socket("host.example.org", 39544);
                    /* read input from socket */
                    readerInputStream = new InputStreamReader(socket.getInputStream(), "UTF-8");
                    readerBuffered = new BufferedReader(readerInputStream);
                    /* POTENTIAL FLAW: Read data using an outbound tcp connection */
                    data = readerBuffered.readLine();
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
                }
                finally
                {
                    /* clean up 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);
                    }

                    /* clean up socket objects */
                    try
                    {
                        if (socket != null)
                        {
                            socket.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing Socket", exceptIO);
                    }
                }
            }
        }
        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;
        }

        if (IO.staticReturnsFalse())
        {
            /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
            IO.writeLine("Benign, fixed string");
        }
        else
        {

            Connection dbConnection = null;
            PreparedStatement sqlStatement = null;

            try
            {
                /* FIX: Use prepared statement and execute (properly) */
                dbConnection = IO.getDBConnection();
                sqlStatement = dbConnection.prepareStatement("insert into users (status) values ('updated') where name=?");
                sqlStatement.setString(1, data);

                Boolean result = sqlStatement.execute();

                if (result)
                {
                    IO.writeLine("Name, " + data + ", updated successfully");
                }
                else
                {
                    IO.writeLine("Unable to update records for user: " + data);
                }
            }
            catch (SQLException exceptSql)
            {
                IO.logger.log(Level.WARNING, "Error getting database connection", exceptSql);
            }
            finally
            {
                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);
                }
            }

        }
    }

    /* goodB2G2() - use badsource and goodsink by reversing statements in second if  */
    private void goodB2G2() throws Throwable
    {
        String data;
        if (IO.staticReturnsTrue())
        {
            data = ""; /* Initialize data */
            /* Read data using an outbound tcp connection */
            {
                Socket socket = null;
                BufferedReader readerBuffered = null;
                InputStreamReader readerInputStream = null;
                try
                {
                    /* Read data using an outbound tcp connection */
                    socket = new Socket("host.example.org", 39544);
                    /* read input from socket */
                    readerInputStream = new InputStreamReader(socket.getInputStream(), "UTF-8");
                    readerBuffered = new BufferedReader(readerInputStream);
                    /* POTENTIAL FLAW: Read data using an outbound tcp connection */
                    data = readerBuffered.readLine();
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
                }
                finally
                {
                    /* clean up 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);
                    }

                    /* clean up socket objects */
                    try
                    {
                        if (socket != null)
                        {
                            socket.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing Socket", exceptIO);
                    }
                }
            }
        }
        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;
        }

        if (IO.staticReturnsTrue())
        {
            Connection dbConnection = null;
            PreparedStatement sqlStatement = null;
            try
            {
                /* FIX: Use prepared statement and execute (properly) */
                dbConnection = IO.getDBConnection();
                sqlStatement = dbConnection.prepareStatement("insert into users (status) values ('updated') where name=?");
                sqlStatement.setString(1, data);
                Boolean result = sqlStatement.execute();
                if (result)
                {
                    IO.writeLine("Name, " + data + ", updated successfully");
                }
                else
                {
                    IO.writeLine("Unable to update records for user: " + data);
                }
            }
            catch (SQLException exceptSql)
            {
                IO.logger.log(Level.WARNING, "Error getting database connection", exceptSql);
            }
            finally
            {
                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);
                }
            }
        }
    }

    public void good() throws Throwable
    {
        goodG2B1();
        goodG2B2();
        goodB2G1();
        goodB2G2();
    }

    /* 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);
    }
}
