private void setHttpRequestStockPlace(HttpServletRequest request, OutMgr outMgr) { outMgr.setCurrentInventoryPlace(request.getParameter("place")); outMgr.setLocationPlace( (LocationPlace) Utility.getObject( outMgr.getStockPlaceMeta().getStockPlaceList(), request.getParameter("place"))); }
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.setContentType("text/html"); PrintWriter out = resp.getWriter(); String support = "support"; // valid username HttpSession session = null; session = req.getSession(false); // Get user's session object (no new one) if (session == null) { invalidUser(out); // Intruder - reject return; } String userName = (String) session.getAttribute("user"); // get username if (!userName.equals(support)) { invalidUser(out); // Intruder - reject return; } String action = ""; if (req.getParameter("todo") != null) action = req.getParameter("todo"); if (action.equals("update")) { doUpdate(out); return; } out.println("<p>Nothing to do.</p>todo=" + action); }
public synchronized void service(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { HttpSession dbSession = request.getSession(); JspFactory _jspxFactory = JspFactory.getDefaultFactory(); PageContext pageContext = _jspxFactory.getPageContext(this, request, response, "", true, 8192, true); ServletContext dbApplication = dbSession.getServletContext(); ServletContext application; HttpSession session = request.getSession(); nseer_db_backup1 finance_db = new nseer_db_backup1(dbApplication); try { if (finance_db.conn((String) dbSession.getAttribute("unit_db_name"))) { String finance_cheque_id = request.getParameter("finance_cheque_id"); String sql = "delete from finance_bill where id='" + finance_cheque_id + "'"; finance_db.executeUpdate(sql); finance_db.commit(); finance_db.close(); } else { response.sendRedirect("error_conn.htm"); } } catch (Exception ex) { ex.printStackTrace(); } }
public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { res.setContentType("text/html"); PrintWriter out = res.getWriter(); Enumeration values = req.getParameterNames(); String name = ""; String value = ""; String id = ""; while (values.hasMoreElements()) { name = ((String) values.nextElement()).trim(); value = req.getParameter(name).trim(); if (name.equals("id")) id = value; } if (url.equals("")) { url = getServletContext().getInitParameter("url"); cas_url = getServletContext().getInitParameter("cas_url"); } HttpSession session = null; session = req.getSession(false); if (session != null) { session.invalidate(); } res.sendRedirect(cas_url); return; }
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { PrintWriter writer = response.getWriter(); HttpSession session = request.getSession(); String username = request.getParameter("username"); String password = request.getParameter("password"); String type = request.getParameter("type"); System.out.println(username + password + type); session.setAttribute("user", username); try { writer.println("<html>"); writer.println("<body bgcolor=green>"); writer.println("<center>"); ps.setString(1, username); ps.setString(2, password); ps.setString(3, type); ResultSet rs = ps.executeQuery(); if (rs.next()) { writer.println("<h1>LOGIN SUCCESSFUL</h1><br><br>"); writer.println("<a href=account.html>click here to see your account</a>"); } else { writer.println("<h1>LOGIN FAILED</h1><br><br>"); writer.println("<a href=login.html>click here to login again</a>"); } writer.println("</center>"); writer.println("</body>"); writer.println("</html>"); } catch (Exception e) { e.printStackTrace(); } }
public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException { try { ConnectionPool conPool = getConnectionPool(); if (!realAuthentication(request, conPool)) { String queryString = request.getQueryString(); if (request.getQueryString() == null) { queryString = ""; } // if user is not authenticated send to signin response.sendRedirect( response.encodeRedirectURL(URLAUTHSIGNIN + "?" + URLBUY + "?" + queryString)); } else { response.setHeader("Cache-Control", "no-cache"); response.setHeader("Expires", "0"); response.setHeader("Pragma", "no-cache"); response.setContentType("text/html"); String errorMessage = processRequest(request, response, conPool); if (errorMessage != null) { request.setAttribute(StringInterface.ERRORPAGEATTR, errorMessage); RequestDispatcher rd = getServletContext().getRequestDispatcher(PATHUSERERROR); rd.include(request, response); } } } catch (Exception e) { throw new ServletException(e); } }
private void insertLog(HttpServletRequest req, Connection connection) throws SQLException { try (PreparedStatement stmt = connection.prepareStatement("INSERT INTO LOGGING (date,ip,url) VALUES (?,?,?)")) { stmt.setTimestamp(1, new Timestamp((new java.util.Date()).getTime())); stmt.setString(2, req.getRemoteAddr()); stmt.setString(3, req.getRequestURI()); stmt.executeUpdate(); } }
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("[Servlet3.doPost]"); response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("FILTER-REQUEST:" + request.getSession().getAttribute("FILTER-REQUEST")); out.println("FILTER-FORWARD:" + request.getSession().getAttribute("FILTER-FORWARD")); out.println("FILTER-INCLUDE:" + request.getSession().getAttribute("FILTER")); }
public ActionForward execute( ActionMapping mapping, ActionForm form, HttpServletRequest req, HttpServletResponse res) throws Exception { ServiceDataForm obj = (ServiceDataForm) form; String serviceId = obj.getServiceId(); CalculateService obj2 = new CalculateService(); obj2.calculate(serviceId); Connection con = null; Class.forName(ConnectionStats.DRIVER); String url = ConnectionStats.DB_URL; String usr = ConnectionStats.DB_USER; String pwd = ConnectionStats.DB_PASSWORD; con = DriverManager.getConnection(url, usr, pwd); Statement stmt = con.createStatement(); ResultSet rs = null; rs = stmt.executeQuery("select * from " + serviceId + "_main"); ResultSetMetaData rsmd = rs.getMetaData(); int col = rsmd.getColumnCount(); String[] mainHeader = new String[col]; for (int i = 0; i < col; i++) { mainHeader[i] = rsmd.getColumnLabel(i + 1); } ArrayList<String[]> serviceDataMain = new ArrayList<String[]>(); while (rs.next()) { String[] str = new String[col]; for (int i = 0; i < col; i++) { str[i] = rs.getString(i + 1); } serviceDataMain.add(str); } req.setAttribute("mainHeader", mainHeader); req.setAttribute("serviceDataMain", serviceDataMain); rs = stmt.executeQuery("select * from " + serviceId + "_tbl"); rsmd = rs.getMetaData(); col = rsmd.getColumnCount(); String[] tblHeader = new String[col]; for (int i = 0; i < col; i++) { tblHeader[i] = rsmd.getColumnLabel(i + 1); } ArrayList<String[]> serviceDatatbl = new ArrayList<String[]>(); while (rs.next()) { String[] str = new String[col]; for (int i = 0; i < col; i++) { str[i] = rs.getString(i + 1); } serviceDatatbl.add(str); } req.setAttribute("tblHeader", tblHeader); req.setAttribute("serviceDatatbl", serviceDatatbl); rs.close(); con.close(); return mapping.findForward("success"); }
public void bad(HttpServletRequest request, HttpServletResponse response) 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 */ /* POTENTIAL FLAW: data may be set to null */ data = request.getParameter("CWE690"); for (int for_index_i = 0; for_index_i < 0; for_index_i++) { /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */ /* FIX: Set data to a fixed, non-null String */ data = "CWE690"; } for (int for_index_j = 0; for_index_j < 1; for_index_j++) { /* POTENTIAL FLAW: data could be null */ String sOut = data.trim(); IO.writeLine(sOut); } for (int for_index_k = 0; for_index_k < 0; for_index_k++) { /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */ /* FIX: explicit check for null */ if (data != null) { String sOut = data.trim(); IO.writeLine(sOut); } } }
public void bad(HttpServletRequest request, HttpServletResponse response) throws Throwable { int data_copy; { int data; Logger log_bad = Logger.getLogger("local-logger"); /* init Data$ */ data = -1; /* read parameter from cookie */ Cookie cookieSources[] = request.getCookies(); if (cookieSources != null) { String s_data = cookieSources[0].getValue(); data = Integer.parseInt(s_data.trim()); } data_copy = data; } { int data = data_copy; /* POTENTIAL FLAW: Zero modulus will cause an issue. An integer division will result in an exception. */ IO.writeLine("100%" + String.valueOf(data) + " = " + (100 % data) + "\n"); } }
/* goodB2G() - use badsource and goodsink */ private void goodB2G(HttpServletRequest request, HttpServletResponse response) throws Throwable { int data_copy; { int data; Logger log_bad = Logger.getLogger("local-logger"); /* init Data$ */ data = -1; /* read parameter from cookie */ Cookie cookieSources[] = request.getCookies(); if (cookieSources != null) { String s_data = cookieSources[0].getValue(); data = Integer.parseInt(s_data.trim()); } data_copy = data; } { int data = data_copy; /* FIX: test for a zero modulus */ if (data != 0) { IO.writeLine("100%" + String.valueOf(data) + " = " + (100 % data) + "\n"); } else { IO.writeLine("This would result in a modulo by zero"); } } }
/* goodB2G() - use badsource and goodsink by changing the conditions on the second and third for statements */ private void goodB2G(HttpServletRequest request, HttpServletResponse response) throws Throwable { String data; /* POTENTIAL FLAW: data may be set to null */ data = request.getParameter("CWE690"); for (int for_index_i = 0; for_index_i < 0; for_index_i++) { /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */ /* FIX: Set data to a fixed, non-null String */ data = "CWE690"; } for (int for_index_j = 0; for_index_j < 0; for_index_j++) { /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */ /* POTENTIAL FLAW: data could be null */ String sOut = data.trim(); IO.writeLine(sOut); } for (int for_index_k = 0; for_index_k < 1; for_index_k++) { /* FIX: explicit check for null */ if (data != null) { String sOut = data.trim(); IO.writeLine(sOut); } } }
/* goodG2B1() - use goodsource and badsink by changing first private_final_five==5 to private_final_five!=5 */ private void goodG2B1(HttpServletRequest request, HttpServletResponse response) throws Throwable { int data; /* INCIDENTAL: CWE 570 Statement is Always False */ if (private_final_five != 5) { /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */ Logger log_bad = Logger.getLogger("local-logger"); /* init Data$ */ data = -1; /* read parameter from request */ String s_data = request.getParameter("name"); data = Integer.parseInt(s_data.trim()); } else { java.util.logging.Logger log_good = java.util.logging.Logger.getLogger("local-logger"); /* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */ data = 2; } /* INCIDENTAL: CWE 571 Statement is Always True */ if (private_final_five == 5) { /* POTENTIAL FLAW: Zero denominator will cause an issue. An integer division will result in an exception. */ IO.writeLine("bad: 100/" + String.valueOf(data) + " = " + (100 / data) + "\n"); } else { /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */ /* FIX: test for a zero denominator */ if (data != 0) { IO.writeLine("100/" + String.valueOf(data) + " = " + (100 / data) + "\n"); } else { IO.writeLine("This would result in a divide by zero"); } } }
/* goodG2B2() - use goodsource and badsink by reversing statements in first if */ private void goodG2B2(HttpServletRequest request, HttpServletResponse response) throws Throwable { String data; if (IO.static_final_five == 5) { /* FIX: Set data to a fixed, non-null String */ data = "CWE690"; } else { /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */ /* POTENTIAL FLAW: data may be set to null */ data = request.getParameter("CWE690"); } if (IO.static_final_five == 5) { /* POTENTIAL FLAW: data could be null */ if (data.equals("CWE690")) { IO.writeLine("data is CWE690"); } } else { /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */ /* FIX: call equals() on string literal (that is not null) */ if ("CWE690".equals(data)) { IO.writeLine("data is CWE690"); } } }
public void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException { try { res.setContentType("text/html"); pw = res.getWriter(); Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); con = DriverManager.getConnection("jdbc:odbc:com", "o7it58", "yajiv32737"); st = con.createStatement(); pw.println("<html>"); pw.println("<head><title>Welcome</title></head>"); pw.println("<body>"); s = req.getParameter("login"); if (s.equals("Submit")) { uname = req.getParameter("firstname"); pass = req.getParameter("pwd"); PrintWriter out = new PrintWriter(new FileWriter("log.txt"), true); out.println(uname); rs = st.executeQuery( "select type from login where username='******' and password='******'"); if (rs.next()) { type = rs.getString("type"); } else { pw.println("<center>"); pw.println("User does not exists"); pw.println("</center>"); } if (type.equals("admin")) { pw.println( "<a href=\"http://localhost:8080/servlet/AdminLogin\">Hello Admin.Please Click Here</a>"); } else if (type.equals("staff")) { pw.println( "<a href=\"http://localhost:8080/servlet/StaffLogin\">Hello Staff.Please Click Here</a>"); } else { pw.println( "<a href=\"http://localhost:8080/servlet/StudentLogin\">Hello Student.Please Click Here</a>"); } } pw.println("</body></html>"); } catch (Exception e) { } }
@Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // get a connection ConnectionPool pool = ConnectionPool.getInstance(); Connection connection = pool.getConnection(); String sqlStatement = request.getParameter("sqlStatement"); String sqlResult = ""; try { // create a statement Statement statement = connection.createStatement(); // parse the SQL string sqlStatement = sqlStatement.trim(); if (sqlStatement.length() >= 6) { String sqlType = sqlStatement.substring(0, 6); if (sqlType.equalsIgnoreCase("select")) { // create the HTML for the result set ResultSet resultSet = statement.executeQuery(sqlStatement); sqlResult = SQLUtil.getHtmlTable(resultSet); resultSet.close(); } else { int i = statement.executeUpdate(sqlStatement); if (i == 0) { sqlResult = "<p>The statement executed successfully.</p>"; } else { // an INSERT, UPDATE, or DELETE statement sqlResult = "<p>The statement executed successfully.<br>" + i + " row(s) affected.</p>"; } } } statement.close(); connection.close(); } catch (SQLException e) { sqlResult = "<p>Error executing the SQL statement: <br>" + e.getMessage() + "</p>"; } finally { pool.freeConnection(connection); } HttpSession session = request.getSession(); session.setAttribute("sqlResult", sqlResult); session.setAttribute("sqlStatement", sqlStatement); String url = "/index.jsp"; getServletContext().getRequestDispatcher(url).forward(request, response); }
/** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); String username = request.getParameter("username"); String password = request.getParameter("password"); Statement stmt; ResultSet rs; Connection con = null; try { Class.forName("com.mysql.jdbc.Driver"); String connectionUrl = "jdbc:mysql://localhost/myflickr?" + "user=root&password=123456"; con = DriverManager.getConnection(connectionUrl); if (con != null) { System.out.println("connected to mysql"); } } catch (SQLException e) { System.out.println("SQL Exception: " + e.toString()); } catch (ClassNotFoundException cE) { System.out.println("Class Not Found Exception: " + cE.toString()); } try { stmt = con.createStatement(); System.out.println("SELECT * FROM flickrusers WHERE name='" + username + "'"); rs = stmt.executeQuery("SELECT * FROM flickrusers WHERE name='" + username + "'"); while (rs.next()) { if (rs.getObject(1).toString().equals(username)) { out.println("<h1>To username pou epileksate uparxei hdh</h1>"); out.println("<a href=\"project3.html\">parakalw dokimaste kapoio allo.</a>"); stmt.close(); rs.close(); return; } } stmt.close(); rs.close(); stmt = con.createStatement(); if (!stmt.execute("INSERT INTO flickrusers VALUES('" + username + "', '" + password + "')")) { out.println("<h1>Your registration is completed " + username + "</h1>"); out.println("<a href=\"index.jsp\">go to the login menu</a>"); registerListener.Register(username); } else { out.println("<h1>To username pou epileksate uparxei hdh</h1>"); out.println("<a href=\"project3.html\">Register</a>"); } } catch (SQLException e) { throw new ServletException("Servlet Could not display records.", e); } }
protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); try { Class.forName("com.mysql.jdbc.Driver").newInstance(); Connection con = DriverManager.getConnection(Utility.connection, Utility.username, Utility.password); int user_id = Integer.parseInt(request.getParameter("user_id")); int question_id = Integer.parseInt(request.getParameter("question_id")); int option = Integer.parseInt(request.getParameter("option")); System.out.println("uid: " + user_id + "\nquestion: " + question_id + "\noption: " + option); String str1 = "INSERT INTO VOTES(USER_ID, QUESTION_ID,OPTION_VOTED) VALUES (?,?,?)"; PreparedStatement prep1 = con.prepareStatement(str1); prep1.setInt(1, user_id); prep1.setInt(3, option); prep1.setInt(2, question_id); prep1.execute(); String str2 = "SELECT OPTION_" + option + " FROM ARCHIVE_VOTES WHERE QUESTION_ID=?"; PreparedStatement prep2 = con.prepareStatement(str2); prep2.setInt(1, question_id); int count = 0; ResultSet rs2 = prep2.executeQuery(); if (rs2.next()) { count = rs2.getInt("OPTION_" + option); } count++; String str3 = "UPDATE ARCHIVE_VOTES SET OPTION_" + option + "=? WHERE QUESTION_ID=?"; PreparedStatement prep3 = con.prepareStatement(str3); prep3.setInt(1, count); prep3.setInt(2, question_id); prep3.executeUpdate(); out.print("You Vote has been recorded! Thank you!"); System.out.println( "Voted for question " + question_id + ", by user " + user_id + ", for option " + option); } catch (Exception e) { e.printStackTrace(); } finally { out.close(); } }
/** * Get a populated User object from the request passed in. * * @param The request object to check for the user * @return The user object, or null if no user object was found */ public static User getUser(HttpServletRequest request) { HttpSession session = request.getSession(); if (session == null) { return null; } return (User) (session.getAttribute("user")); }
/* goodB2G2() - use badsource and goodsink by reversing statements in second if */ private void goodB2G2(HttpServletRequest request, HttpServletResponse response) throws Throwable { String data; if (privateFive == 5) { data = ""; /* initialize data in case id is not in query string */ /* POTENTIAL FLAW: Parse id param out of the URL querystring (without using getParameter()) */ { StringTokenizer tokenizer = new StringTokenizer(request.getQueryString(), "&"); while (tokenizer.hasMoreTokens()) { String token = tokenizer.nextToken(); /* a token will be like "id=foo" */ if (token.startsWith("id=")) /* check if we have the "id" parameter" */ { data = token.substring(3); /* set data to "foo" */ break; /* exit while loop */ } } } } 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; } if (privateFive == 5) { 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: "******"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); } } } }
/** * This calls the itemselection.jsp and list all items available for a WorkOrder and a WorkOrder's * item list * * @param workorderid - the WO_ID of the parent WorkOrder * @param request - servlet request * @param response - servlet response */ private void listProducts( long workorderId, WorkOrderDetailRemote workorderdetEJBean, HttpSession session, HttpServletRequest req, HttpServletResponse resp) { try { // If any product object is left over in session remove it session.removeValue("itemObj"); // Create db connection for EJB workorderdetEJBean.connect(); // Get the 2D Array which has the List of Items for the WorkOrder // grouped by the Billing System. Object[][] productList = workorderdetEJBean.getWorkOrderItems(workorderId); // Get the WorkOrder Object WorkOrder workorderObj = workorderdetEJBean.getWorkOrderInfo(workorderId); // Get the List of all Product Names for the WorkOrder String[] productNameList = workorderdetEJBean.getProdList(workorderId); for (int w = 0; w < productNameList.length; w++) USFEnv.getLog() .writeDebug("VALUES INSIDE productNameList is" + productNameList[w], this, null); // Set the attributes to the itemselection JSP req.setAttribute("productNameList", productNameList); req.setAttribute("productList", productList); req.setAttribute("workorderObj", workorderObj); // Release db connection for EJB workorderdetEJBean.release(); // Include the JSP includeJSP(req, resp, ITEM_JSP_PATH, "itemselection"); return; } catch (Exception e) { String errorMsg = "Fail to list products for a WORKORDER " + workorderId; USFEnv.getLog().writeCrit(errorMsg, this, e); errorJSP(req, resp, errorMsg); } }
/* goodB2G() - use badsource and goodsink */ private String goodB2G_source(HttpServletRequest request, HttpServletResponse response) throws Throwable { String data; /* POTENTIAL FLAW: data may be set to null */ data = request.getParameter("CWE690"); return data; }
public void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException { res.setContentType("text/html"); PrintWriter pw = res.getWriter(); PR.deleteProduct(req.getParameter("prid")); pw.println("<html><head><TITLE>Web-Enabled Automated Manufacturing System</TITLE></head>"); pw.println("<table align='center' border=0>"); pw.println("<tr col span=2><th>Web-Enabled Automated Manufacturing Process</th></tr>"); pw.println("<tr><td>Product ID:</td><td>" + req.getParameter("prid") + "</td></tr>"); pw.println("<tr><td>Product data is deleted Click on OK to Continue</td></tr>"); pw.println( "<tr><td align=center><a href='http://peers:8080/servlet/deleteProduct' target='main'>OK</a></td>"); pw.println("<td></td></tr>"); pw.println("</table></form></body></html>"); pw.flush(); pw.close(); }
protected void doGet(HttpServletRequest request, HttpServletResponse response) { try { request.setAttribute("body", "/WEB-INF/jsp/testimonial.jsp"); layoutPage.forward(request, response); } catch (Exception e) { e.printStackTrace(); } }
/* goodB2G() - use badsource and goodsink by changing the second "if" so that both branches use the GoodSink */ private void goodB2G(HttpServletRequest request, HttpServletResponse response) throws Throwable { int data; if (IO.static_returns_t_or_f()) { Logger log_bad = Logger.getLogger("local-logger"); /* init Data$ */ data = -1; /* read parameter from request */ String s_data = request.getParameter("name"); data = Integer.parseInt(s_data.trim()); } else { Logger log_bad = Logger.getLogger("local-logger"); /* init Data$ */ data = -1; /* read parameter from request */ String s_data = request.getParameter("name"); data = Integer.parseInt(s_data.trim()); } if (IO.static_returns_t_or_f()) { int valueToSub = (new SecureRandom()).nextInt(99) + 1; /* subtracting at least 1 */ int result = 0; /* FIX: Add a check to prevent an underflow from occurring */ if (data >= (Integer.MIN_VALUE + valueToSub)) { result = (data - valueToSub); IO.writeLine("result: " + result); } else { IO.writeLine("Input value is too small to perform subtraction."); } } else { int valueToSub = (new SecureRandom()).nextInt(99) + 1; /* subtracting at least 1 */ int result = 0; /* FIX: Add a check to prevent an underflow from occurring */ if (data >= (Integer.MIN_VALUE + valueToSub)) { result = (data - valueToSub); IO.writeLine("result: " + result); } else { IO.writeLine("Input value is too small to perform subtraction."); } } }
/* goodB2G1() - use badsource and goodsink by changing second privateTrue to privateFalse */ private void goodB2G1(HttpServletRequest request, HttpServletResponse response) throws Throwable { String data; if (privateTrue) { /* 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; } if (privateFalse) { /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */ IO.writeLine("Benign, fixed string"); } else { 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: "******"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 service(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { try { Driver driver = new com.mysql.jdbc.Driver(); DriverManager.registerDriver(driver); Connection connection = DriverManager.getConnection("jdbc:mysql://127.0.0.1/school", "root", "password"); PreparedStatement preparedStatement = connection.prepareStatement("update student set name=?, per=? where roll=?"); preparedStatement.setString(1, request.getParameter("name")); preparedStatement.setFloat(2, Float.parseFloat(request.getParameter("per"))); preparedStatement.setInt(3, Integer.parseInt(request.getParameter("roll"))); preparedStatement.execute(); preparedStatement.close(); connection.close(); } catch (SQLException e) { e.printStackTrace(); } RequestDispatcher requestDispatcher = request.getRequestDispatcher("/Display"); requestDispatcher.forward(request, response); }
public void service( HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse) throws ServletException, IOException { System.out.println("This is my service"); String s = ""; String s2 = ""; String s4 = ""; String s6 = ""; String s7 = ""; String s8 = ""; java.io.PrintWriter printwriter = httpservletresponse.getWriter(); httpservletresponse.setContentType("text/html"); HttpSession httpsession = httpservletrequest.getSession(true); s6 = (String) httpsession.getValue("co"); s7 = (String) httpsession.getValue("na"); s8 = (String) httpsession.getValue("ss"); try { String s1 = httpservletrequest.getParameter("text1"); String s3 = httpservletrequest.getParameter("text2"); String s5 = httpservletrequest.getParameter("text3"); System.out.println("code iiiiis" + s1); System.out.println("cname iss" + s3); System.out.println("status iss" + s5); int i = st.executeUpdate( "update categoryies set categoryname='" + s3 + "',status='" + s5 + "' where categoryid='" + s1 + "'"); System.out.println( "update categoryies set categoryname='" + s3 + "' where categorycode='" + s1 + "'"); System.out.println(i + " is updated"); httpservletresponse.sendRedirect("./categories"); } catch (Exception exception) { System.out.println(exception); } }
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException { String fName = req.getParameter("fName"); String lName = req.getParameter("lName"); String party = req.getParameter("party"); String area = req.getParameter("area"); Connection c = null; try { DriverManager.registerDriver(new AppEngineDriver()); c = DriverManager.getConnection( "jdbc:google:rdbms://netivalimised2013:netivalimised/evalimised"); String statement; if ((fName.equals("") || fName == null) && (lName.equals("") || lName == null) && (party.equals("") || party == null) && (area.equals("") || area == null)) { System.out.println("Getting all candidates"); statement = "SELECT Person.FirstName, Person.LastName, Party.PartyName, Area.AreaName " + "FROM Person JOIN Party ON Person.PartyID = Party.Party_Id JOIN Area ON Person.AreaID = Area.Area_Id"; } else statement = createQuery(fName, lName, party, area); PreparedStatement stmt = c.prepareStatement(statement); ResultSet rs = stmt.executeQuery(); String jsonData = createJSON(rs, party, area); resp.setContentType("application/json"); resp.setCharacterEncoding("UTF-8"); resp.getWriter().write(jsonData); } catch (SQLException e) { e.printStackTrace(); } finally { if (c != null) { try { c.close(); } catch (SQLException ignore) { } } } // resp.setHeader("Refresh","3; url=/evalimised.jsp"); }