X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=includes%2Fsession.inc;h=37591d3489e8bdbceffdb78b28eece26c6053966;hb=4274e2d6ed6f5ee12bdf8425138ccdca1b92a95b;hp=85ea33ede9322f455b6b2c29f61020609475c8a1;hpb=7cf8fadfc60a53eee553877754008b9b34d46e74;p=fa-stable.git diff --git a/includes/session.inc b/includes/session.inc index 85ea33ed..37591d34 100644 --- a/includes/session.inc +++ b/includes/session.inc @@ -18,29 +18,29 @@ class SessionManager session_name($name); // Set SSL level - $https = isset($secure) ? $secure : isset($_SERVER['HTTPS']); + $https = isset($secure) ? $secure : (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off'); // Set session cookie options session_set_cookie_params($limit, $path, $domain, $https, true); session_start(); // Make sure the session hasn't expired, and destroy it if it has - if (self::validateSession()) + if ($this->validateSession()) { // Check to see if the session is new or a hijacking attempt - if(!self::preventHijacking()) + if(!$this->preventHijacking()) { // Reset session data and regenerate id $_SESSION = array(); $_SESSION['IPaddress'] = $_SERVER['REMOTE_ADDR']; $_SESSION['userAgent'] = $_SERVER['HTTP_USER_AGENT']; - self::regenerateSession(); + $this->regenerateSession(); // Give a 5% chance of the session id changing on any request } elseif (rand(1, 100) <= 5) { - self::regenerateSession(); + $this->regenerateSession(); } } else @@ -76,16 +76,15 @@ class SessionManager $_SESSION['EXPIRES'] = time() + 10; // Create new session without destroying the old one - session_regenerate_id(false); - + session_regenerate_id(); // Grab current session ID and close both sessions to allow other scripts to use them $newSession = session_id(); session_write_close(); - // Set session ID to the new one, and start it back up again + session_id($newSession); session_start(); - + // Now we unset the obsolete and expiration values for the session we want to keep unset($_SESSION['OBSOLETE']); unset($_SESSION['EXPIRES']); @@ -141,6 +140,58 @@ function login_fail() die(); } +function check_faillog() +{ + global $login_delay, $login_faillog, $login_max_attempts; + + $user = $_SESSION["wa_current_user"]->user; + + if (@$login_delay && (@$login_faillog[$user][$_SERVER['REMOTE_ADDR']] >= @$login_max_attempts) && (time() < $login_faillog[$user]['last'] + $login_delay)) + return true; + + return false; +} +/* + Simple brute force attack detection is performed before connection to company database is open. Therefore access counters have to be stored in file. + Login attempts counter is created for every new user IP, which partialy prevent DOS attacks. +*/ +function write_login_filelog($login, $result) +{ + global $login_faillog, $login_max_attempts, $path_to_root; + + $user = $_SESSION["wa_current_user"]->user; + + $ip = $_SERVER['REMOTE_ADDR']; + + if (!isset($login_faillog[$user][$ip]) || $result) // init or reset on successfull login + $login_faillog[$user] = array($ip => 0, 'last' => ''); + + if (!$result) + { + if ($login_faillog[$user][$ip] < @$login_max_attempts) { + + $login_faillog[$user][$ip]++; + } else { + $login_faillog[$user][$ip] = 0; // comment out to restart counter only after successfull login. + error_log(sprintf(_("Brute force attack on account '%s' detected. Access for non-logged users temporarily blocked." ), $login)); + } + $login_faillog[$user]['last'] = time(); + } + + $msg = ""; echo "



"; - end_page(); + end_page(@$_REQUEST['popup']); exit; } if (!$_SESSION['SysPrefs']->db_ok @@ -258,6 +309,16 @@ if (!isset($path_to_root)) $path_to_root = "."; } +//---------------------------------------------------------------------------------------- +// set to reasonable values if not set in config file (pre-2.3.12 installations) + +if ((!isset($login_delay)) || ($login_delay < 0)) + $login_delay = 10; + +if ((!isset($login_max_attempts)) || ($login_max_attempts < 0)) + $login_max_attempts = 3; + + // Prevent register_globals vulnerability if (isset($_GET['path_to_root']) || isset($_POST['path_to_root'])) die("Restricted access"); @@ -294,24 +355,18 @@ foreach ($installed_extensions as $ext) ini_set('session.gc_maxlifetime', 36000); // 10hrs -SessionManager::sessionStart('FA'.md5(dirname(__FILE__))); - -//SessionManager::sessionStart('Blog_myBlog', 0, '/myBlog/', 'www.site.com'); -//SessionManager::sessionStart('Accounts_Bank', 0, '/', 'accounts.bank.com', true); -/* -hook_session_start(@$_POST["company_login_name"]); +$Session_manager = new SessionManager(); +$Session_manager->sessionStart('FA'.md5(dirname(__FILE__))); -session_name('FA'.md5(dirname(__FILE__))); - -session_start(); -session_regenerate_id(true); -*/ // this is to fix the "back-do-you-want-to-refresh" issue - thanx PHPFreaks header("Cache-control: private"); include_once($path_to_root . "/config.php"); get_text_init(); +if ($login_delay > 0) + @include_once($path_to_root . "/faillog.php"); + // Page Initialisation if (!isset($_SESSION['language']) || !method_exists($_SESSION['language'], 'set_language')) { @@ -377,7 +432,15 @@ if (strstr($_SERVER['PHP_SELF'], 'logout.php') == false){ $Ajax->activate('_page_body'); exit; } else { - + if (isset($_POST["company_login_nickname"]) && !isset($_POST["company_login_name"])) { + for ($i = 0; $i < count($db_connections); $i++) { + if ($db_connections[$i]["name"] == $_POST["company_login_nickname"]) { + $_POST["company_login_name"] = $i; + unset($_POST["company_login_nickname"]); + break 1; // cannot pass variables to break from PHP v5.4 onwards + } + } + } $succeed = isset($db_connections[$_POST["company_login_name"]]) && $_SESSION["wa_current_user"]->login($_POST["company_login_name"], $_POST["user_name_entry_field"], $_POST["password"]); @@ -388,6 +451,14 @@ if (strstr($_SERVER['PHP_SELF'], 'logout.php') == false){ // Incorrect password login_fail(); } + elseif(!$_SESSION['timeout']['post']) + { + // in case of GET request redirect to avoid confirmation dialog + // after return from menu option + header("HTTP 1.1 303 See Other"); + header("Location: ".$_SESSION['timeout']['uri']); + exit(); + } $lang = &$_SESSION['language']; $lang->set_language($_SESSION['language']->code); }