/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE89_SQL_Injection__getCookies_Servlet_executeBatch_22b.java
Label Definition File: CWE89_SQL_Injection.label.xml
Template File: sources-sinks-22b.tmpl.java
*/
/*
 * @description
 * CWE: 89 SQL Injection
 * BadSource: getCookies_Servlet Read data from the first cookie using getCookies()
 * GoodSource: A hardcoded string
 * Sinks: executeBatch
 *    GoodSink: Use prepared statement and executeBatch (properly)
 *    BadSink : data concatenated into SQL statement used in executeBatch(), which could result in SQL Injection
 * Flow Variant: 22 Control flow: Flow controlled by value of a public static variable. Sink functions are in a separate file from sources.
 *
 * */




import javax.servlet.http.*;

import java.sql.*;

import java.util.logging.Level;

public class CWE89_SQL_Injection__getCookies_Servlet_executeBatch_22b
{
    public void badSink(String data , HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        if (CWE89_SQL_Injection__getCookies_Servlet_executeBatch_22a.badPublicStatic)
        {
            if (data != null)
            {
                String names[] = data.split("-");
                int successCount = 0;
                Connection dbConnection = null;
                Statement sqlStatement = null;
                try
                {
                    dbConnection = IO.getDBConnection();
                    sqlStatement = dbConnection.createStatement();
                    for (int i = 0; i < names.length; i++)
                    {
                        /* POTENTIAL FLAW: data concatenated into SQL statement used in executeBatch(), which could result in SQL Injection */
                        sqlStatement.addBatch("update users set hitcount=hitcount+1 where name='" + names[i] + "'");
                    }
                    int resultsArray[] = sqlStatement.executeBatch();
                    for (int i = 0; i < names.length; i++)
                    {
                        if (resultsArray[i] > 0)
                        {
                            successCount++;
                        }
                    }
                    IO.writeLine("Succeeded in " + successCount + " out of " + names.length + " queries.");
                }
                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 Statament", exceptSql);
                    }

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

    /* goodB2G1() - use badsource and goodsink by setting the static variable to false instead of true */
    public void goodB2G1Sink(String data , HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        if (CWE89_SQL_Injection__getCookies_Servlet_executeBatch_22a.goodB2G1PublicStatic)
        {
            /* 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
        {

            if (data != null)
            {
                String names[] = data.split("-");
                int successCount = 0;
                Connection dbConnection = null;
                PreparedStatement sqlStatement = null;
                try
                {
                    /* FIX: Use prepared statement and executeBatch (properly) */
                    dbConnection = IO.getDBConnection();
                    sqlStatement = dbConnection.prepareStatement("update users set hitcount=hitcount+1 where name=?");
                    for (int i = 0; i < names.length; i++)
                    {
                        sqlStatement.setString(1, names[i]);
                        sqlStatement.addBatch();
                    }
                    int resultsArray[] = sqlStatement.executeBatch();
                    for (int i = 0; i < names.length; i++)
                    {
                        if (resultsArray[i] > 0)
                        {
                            successCount++;
                        }
                    }
                    IO.writeLine("Succeeded in " + successCount + " out of " + names.length + " queries.");
                }
                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 the blocks in the if in the sink function */
    public void goodB2G2Sink(String data , HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        if (CWE89_SQL_Injection__getCookies_Servlet_executeBatch_22a.goodB2G2PublicStatic)
        {
            if (data != null)
            {
                String names[] = data.split("-");
                int successCount = 0;
                Connection dbConnection = null;
                PreparedStatement sqlStatement = null;
                try
                {
                    /* FIX: Use prepared statement and executeBatch (properly) */
                    dbConnection = IO.getDBConnection();
                    sqlStatement = dbConnection.prepareStatement("update users set hitcount=hitcount+1 where name=?");
                    for (int i = 0; i < names.length; i++)
                    {
                        sqlStatement.setString(1, names[i]);
                        sqlStatement.addBatch();
                    }
                    int resultsArray[] = sqlStatement.executeBatch();
                    for (int i = 0; i < names.length; i++)
                    {
                        if (resultsArray[i] > 0)
                        {
                            successCount++;
                        }
                    }
                    IO.writeLine("Succeeded in " + successCount + " out of " + names.length + " queries.");
                }
                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);
                    }
                }
            }
        }
        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;
        }
    }

    /* goodG2B() - use goodsource and badsink */
    public void goodG2BSink(String data , HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        if (CWE89_SQL_Injection__getCookies_Servlet_executeBatch_22a.goodG2BPublicStatic)
        {
            if (data != null)
            {
                String names[] = data.split("-");
                int successCount = 0;
                Connection dbConnection = null;
                Statement sqlStatement = null;
                try
                {
                    dbConnection = IO.getDBConnection();
                    sqlStatement = dbConnection.createStatement();
                    for (int i = 0; i < names.length; i++)
                    {
                        /* POTENTIAL FLAW: data concatenated into SQL statement used in executeBatch(), which could result in SQL Injection */
                        sqlStatement.addBatch("update users set hitcount=hitcount+1 where name='" + names[i] + "'");
                    }
                    int resultsArray[] = sqlStatement.executeBatch();
                    for (int i = 0; i < names.length; i++)
                    {
                        if (resultsArray[i] > 0)
                        {
                            successCount++;
                        }
                    }
                    IO.writeLine("Succeeded in " + successCount + " out of " + names.length + " queries.");
                }
                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 Statament", exceptSql);
                    }

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