/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE113_HTTP_Response_Splitting__Environment_addCookieServlet_61b.java
Label Definition File: CWE113_HTTP_Response_Splitting.label.xml
Template File: sources-sinks-61b.tmpl.java
*/
/*
 * @description
 * CWE: 113 HTTP Response Splitting
 * BadSource: Environment Read data from an environment variable
 * GoodSource: A hardcoded string
 * Sinks: addCookieServlet
 *    GoodSink: URLEncode input
 *    BadSink : querystring to addCookie()
 * Flow Variant: 61 Data flow: data returned from one method to another in different classes in the same package
 *
 * */




import javax.servlet.http.*;

public class CWE113_HTTP_Response_Splitting__Environment_addCookieServlet_61b
{
    public String badSource(HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        String data;

        /* get environment variable ADD */
        /* POTENTIAL FLAW: Read data from an environment variable */
        data = System.getenv("ADD");

        return data;
    }

    /* goodG2B() - use goodsource and badsink */
    public String goodG2BSource(HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        String data;

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

        return data;
    }

    /* goodB2G() - use badsource and goodsink */
    public String goodB2GSource(HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        String data;

        /* get environment variable ADD */
        /* POTENTIAL FLAW: Read data from an environment variable */
        data = System.getenv("ADD");

        return data;
    }
}
