/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE89_SQL_Injection__PropertiesFile_execute_17.java
Label Definition File: CWE89_SQL_Injection.label.xml
Template File: sources-sinks-17.tmpl.java
*/
/*
* @description
* CWE: 89 SQL Injection
* BadSource: PropertiesFile Read data from a .properties file (in property named data)
* 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: 17 Control flow: for loops
*
* */






import java.util.Properties;

import java.io.FileInputStream;
import java.io.IOException;

import java.util.logging.Level;

import java.sql.*;


public class CWE89_SQL_Injection__PropertiesFile_execute_17 extends AbstractTestCase
{
    public void bad() throws Throwable
    {
        String data;

        /* We need to have one source outside of a for loop in order
         * to prevent the Java compiler from generating an error because
         * data is uninitialized
         */

        data = ""; /* Initialize data */

        /* retrieve the property */
        {
            Properties properties = new Properties();
            FileInputStream streamFileInput = null;

            try
            {
                streamFileInput = new FileInputStream("../common/config.properties");
                properties.load(streamFileInput);

                /* POTENTIAL FLAW: Read data from a .properties file */
                data = properties.getProperty("data");
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
            }
            finally
            {
                /* Close stream reading object */
                try
                {
                    if (streamFileInput != null)
                    {
                        streamFileInput.close();
                    }
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error closing FileInputStream", exceptIO);
                }
            }
        }

        for (int j = 0; j < 1; j++)
        {
            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);
                }
            }
        }
    }

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

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

        for (int j = 0; j < 1; j++)
        {
            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);
                }
            }
        }
    }

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

        data = ""; /* Initialize data */

        /* retrieve the property */
        {
            Properties properties = new Properties();
            FileInputStream streamFileInput = null;

            try
            {
                streamFileInput = new FileInputStream("../common/config.properties");
                properties.load(streamFileInput);

                /* POTENTIAL FLAW: Read data from a .properties file */
                data = properties.getProperty("data");
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
            }
            finally
            {
                /* Close stream reading object */
                try
                {
                    if (streamFileInput != null)
                    {
                        streamFileInput.close();
                    }
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error closing FileInputStream", exceptIO);
                }
            }
        }

        for (int k = 0; k < 1; k++)
        {
            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
    {
        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);
    }
}
