Restructured the baseline to remove extra src/main directory structure. Added eclipes project file
git-svn-id: http://webgoat.googlecode.com/svn/branches/webgoat-6.0@485 4033779f-a91e-0410-96ef-6bf7bf53c507
This commit is contained in:
mayhew64@gmail.com
201
java/org/owasp/webgoat/lessons/ThreadSafetyProblem.java
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201
java/org/owasp/webgoat/lessons/ThreadSafetyProblem.java
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package org.owasp.webgoat.lessons;
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import java.sql.Connection;
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import java.sql.ResultSet;
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import java.sql.ResultSetMetaData;
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import java.sql.Statement;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.ecs.Element;
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import org.apache.ecs.ElementContainer;
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import org.apache.ecs.StringElement;
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import org.apache.ecs.html.IMG;
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import org.apache.ecs.html.Input;
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import org.apache.ecs.html.P;
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import org.apache.ecs.html.A;
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import org.owasp.webgoat.session.*;
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/***************************************************************************************************
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*
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*
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* This file is part of WebGoat, an Open Web Application Security Project utility. For details,
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* please see http://www.owasp.org/
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*
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* Copyright (c) 2002 - 2007 Bruce Mayhew
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with this program; if
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* not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Getting Source ==============
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*
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* Source for this application is maintained at code.google.com, a repository for free software
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* projects.
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*
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* For details, please see http://code.google.com/p/webgoat/
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*
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* @author Jeff Williams <a href="http://www.aspectsecurity.com">Aspect Security</a>
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* @created October 28, 2003
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*/
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public class ThreadSafetyProblem extends LessonAdapter
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{
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public final static A ASPECT_LOGO = new A().setHref("http://www.aspectsecurity.com")
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.addElement(
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new IMG("images/logos/aspect.jpg").setAlt("Aspect Security").setBorder(0).setHspace(0)
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.setVspace(0));
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private final static String USER_NAME = "username";
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private static String currentUser;
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private String originalUser;
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/**
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* Description of the Method
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*
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* @param s
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* Description of the Parameter
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* @return Description of the Return Value
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*/
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protected Element createContent(WebSession s)
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{
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ElementContainer ec = new ElementContainer();
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try
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{
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Connection connection = DatabaseUtilities.getConnection(s);
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ec.addElement(new StringElement("Enter user name: "));
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ec.addElement(new Input(Input.TEXT, USER_NAME, ""));
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currentUser = s.getParser().getRawParameter(USER_NAME, "");
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originalUser = currentUser;
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// Store the user name
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String user1 = new String(currentUser);
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Element b = ECSFactory.makeButton("Submit");
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ec.addElement(b);
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ec.addElement(new P());
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if (!"".equals(currentUser))
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{
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Thread.sleep(1500);
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// Get the users info from the DB
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String query = "SELECT * FROM user_system_data WHERE user_name = '" + currentUser + "'";
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Statement statement = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
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ResultSet.CONCUR_READ_ONLY);
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ResultSet results = statement.executeQuery(query);
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if ((results != null) && (results.first() == true))
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{
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ec.addElement("Account information for user: " + originalUser + "<br><br>");
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ResultSetMetaData resultsMetaData = results.getMetaData();
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ec.addElement(DatabaseUtilities.writeTable(results, resultsMetaData));
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}
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else
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{
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s.setMessage("'" + currentUser + "' is not a user in the WebGoat database.");
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}
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}
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if (!user1.equals(currentUser))
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{
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makeSuccess(s);
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}
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} catch (Exception e)
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{
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s.setMessage("Error generating " + this.getClass().getName());
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e.printStackTrace();
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}
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return (ec);
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}
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/**
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* Gets the hints attribute of the ConcurrencyScreen object
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*
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* @return The hints value
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*/
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protected List<String> getHints(WebSession s)
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{
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List<String> hints = new ArrayList<String>();
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hints.add("Web applications handle many HTTP requests at the same time.");
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hints.add("Developers use variables that are not thread safe.");
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hints.add("Show the Java source code and trace the 'currentUser' variable");
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hints.add("Open two browsers and send 'jeff' in one and 'dave' in the other.");
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return hints;
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}
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/**
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* Gets the instructions attribute of the ThreadSafetyProblem object
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*
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* @return The instructions value
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*/
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public String getInstructions(WebSession s)
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{
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String instructions = "The user should be able to exploit the concurrency error in this web application "
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+ "and view login information for another user that is attempting the same function "
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+ "at the same time. <b>This will require the use of two browsers</b>. Valid user "
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+ "names are 'jeff' and 'dave'." + "<p>Please enter your username to access your account.";
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return (instructions);
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}
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private final static Integer DEFAULT_RANKING = new Integer(80);
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protected Integer getDefaultRanking()
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{
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return DEFAULT_RANKING;
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}
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protected Category getDefaultCategory()
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{
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return Category.CONCURRENCY;
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}
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/**
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* Gets the title attribute of the ConcurrencyScreen object
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*
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* @return The title value
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*/
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public String getTitle()
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{
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return ("Thread Safety Problems");
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}
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/**
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* Constructor for the ConcurrencyScreen object
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*
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* @param s
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* Description of the Parameter
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*/
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public void handleRequest(WebSession s)
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{
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try
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{
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super.handleRequest(s);
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} catch (Exception e)
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{
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// System.out.println("Exception caught: " + e);
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e.printStackTrace(System.out);
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}
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}
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public Element getCredits()
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{
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return super.getCustomCredits("", ASPECT_LOGO);
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}
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}
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