/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE36_Absolute_Path_Traversal__getParameter_Servlet_22b.java
Label Definition File: CWE36_Absolute_Path_Traversal.label.xml
Template File: sources-sink-22b.tmpl.java
*/
/*
 * @description
 * CWE: 36 Absolute Path Traversal
 * BadSource: getParameter_Servlet Read data from a querystring using getParameter()
 * GoodSource: A hardcoded string
 * Sinks: readFile
 *    BadSink : read line from file from disk
 * Flow Variant: 22 Control flow: Flow controlled by value of a public static variable. Sink functions are in a separate file from sources.
 *
 * */





import java.io.*;
import javax.servlet.http.*;


public class CWE36_Absolute_Path_Traversal__getParameter_Servlet_22b
{
    public String badSource(HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        String data;

        if (CWE36_Absolute_Path_Traversal__getParameter_Servlet_22a.badPublicStatic)
        {
            /* POTENTIAL FLAW: Read data from a querystring using getParameter */
            data = request.getParameter("name");
        }
        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;
        }
        return data;
    }

    /* goodG2B1() - use goodsource and badsink by setting the static variable to false instead of true */
    public String goodG2B1Source(HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        String data;

        if (CWE36_Absolute_Path_Traversal__getParameter_Servlet_22a.goodG2B1PublicStatic)
        {
            /* 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";

        }

        return data;
    }

    /* goodG2B2() - use goodsource and badsink by reversing the blocks in the if in the sink function */
    public String goodG2B2Source(HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        String data;

        if (CWE36_Absolute_Path_Traversal__getParameter_Servlet_22a.goodG2B2PublicStatic)
        {
            /* 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;
        }

        return data;
    }
}
