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<?php |
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/** |
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* This file is concerned pretty entirely, as you see from its name, with |
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* logging in and out members, and the validation of that. |
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* |
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* Simple Machines Forum (SMF) |
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* |
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* @package SMF |
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* @author Simple Machines https://www.simplemachines.org |
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* @copyright 2020 Simple Machines and individual contributors |
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* @license https://www.simplemachines.org/about/smf/license.php BSD |
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* |
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* @version 2.1 RC3 |
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*/ |
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if (!defined('SMF')) |
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die('No direct access...'); |
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/** |
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* Ask them for their login information. (shows a page for the user to type |
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* in their username and password.) |
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* It caches the referring URL in $_SESSION['login_url']. |
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* It is accessed from ?action=login. |
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* |
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* Uses Login template and language file with the login sub-template. |
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*/ |
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function Login() |
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{ |
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global $txt, $context, $scripturl, $user_info, $image_proxy_secret; |
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// You are already logged in, go take a tour of the boards |
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if (!empty($user_info['id'])) |
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redirectexit(); |
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// We need to load the Login template/language file. |
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loadLanguage('Login'); |
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loadTemplate('Login'); |
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$context['sub_template'] = 'login'; |
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if (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') |
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{ |
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$context['from_ajax'] = true; |
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$context['template_layers'] = array(); |
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} |
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// Get the template ready.... not really much else to do. |
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$context['page_title'] = $txt['login']; |
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$context['default_username'] = &$_REQUEST['u']; |
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$context['default_password'] = ''; |
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$context['never_expire'] = false; |
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// Add the login chain to the link tree. |
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$context['linktree'][] = array( |
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'url' => $scripturl . '?action=login', |
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'name' => $txt['login'], |
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); |
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// Set the login URL - will be used when the login process is done (but careful not to send us to an attachment). |
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if (isset($_SESSION['old_url']) && strpos($_SESSION['old_url'], 'dlattach') === false && preg_match('~(board|topic)[=,]~', $_SESSION['old_url']) != 0) |
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$_SESSION['login_url'] = $_SESSION['old_url']; |
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// This came from a valid hashed return url. Or something that knows our secrets... |
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elseif (!empty($_REQUEST['return_hash']) && !empty($_REQUEST['return_to']) && hash_hmac('sha1', $_REQUEST['return_to'], $image_proxy_secret) == $_REQUEST['return_hash']) |
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$_SESSION['login_url'] = urldecode($_REQUEST['return_to']); |
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elseif (isset($_SESSION['login_url']) && strpos($_SESSION['login_url'], 'dlattach') !== false) |
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unset($_SESSION['login_url']); |
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// Create a one time token. |
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createToken('login'); |
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} |
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/** |
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* Actually logs you in. |
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* What it does: |
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* - checks credentials and checks that login was successful. |
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* - it employs protection against a specific IP or user trying to brute force |
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* a login to an account. |
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* - upgrades password encryption on login, if necessary. |
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* - after successful login, redirects you to $_SESSION['login_url']. |
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* - accessed from ?action=login2, by forms. |
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* On error, uses the same templates Login() uses. |
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*/ |
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function Login2() |
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{ |
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global $txt, $scripturl, $user_info, $user_settings, $smcFunc; |
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global $cookiename, $modSettings, $context, $sourcedir, $maintenance; |
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// Check to ensure we're forcing SSL for authentication |
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if (!empty($modSettings['force_ssl']) && empty($maintenance) && !httpsOn()) |
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fatal_lang_error('login_ssl_required', false); |
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// Load cookie authentication stuff. |
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require_once($sourcedir . '/Subs-Auth.php'); |
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if (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') |
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{ |
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$context['from_ajax'] = true; |
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$context['template_layers'] = array(); |
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} |
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if (isset($_GET['sa']) && $_GET['sa'] == 'salt' && !$user_info['is_guest']) |
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{ |
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// First check for 2.1 json-format cookie in $_COOKIE |
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if (isset($_COOKIE[$cookiename]) && preg_match('~^{"0":\d+,"1":"[0-9a-f]*","2":\d+~', $_COOKIE[$cookiename]) === 1) |
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list (,, $timeout) = $smcFunc['json_decode']($_COOKIE[$cookiename], true); |
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// Try checking for 2.1 json-format cookie in $_SESSION |
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elseif (isset($_SESSION['login_' . $cookiename]) && preg_match('~^{"0":\d+,"1":"[0-9a-f]*","2":\d+~', $_SESSION['login_' . $cookiename]) === 1) |
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list (,, $timeout) = $smcFunc['json_decode']($_SESSION['login_' . $cookiename]); |
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// Next, try checking for 2.0 serialized string cookie in $_COOKIE |
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elseif (isset($_COOKIE[$cookiename]) && preg_match('~^a:[34]:\{i:0;i:\d+;i:1;s:(0|40):"([a-fA-F0-9]{40})?";i:2;[id]:\d+;~', $_COOKIE[$cookiename]) === 1) |
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list (,, $timeout) = safe_unserialize($_COOKIE[$cookiename]); |
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// Last, see if you need to fall back on checking for 2.0 serialized string cookie in $_SESSION |
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elseif (isset($_SESSION['login_' . $cookiename]) && preg_match('~^a:[34]:\{i:0;i:\d+;i:1;s:(0|40):"([a-fA-F0-9]{40})?";i:2;[id]:\d+;~', $_SESSION['login_' . $cookiename]) === 1) |
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list (,, $timeout) = safe_unserialize($_SESSION['login_' . $cookiename]); |
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else |
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trigger_error('Login2(): Cannot be logged in without a session or cookie', E_USER_ERROR); |
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$user_settings['password_salt'] = bin2hex($smcFunc['random_bytes'](16)); |
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updateMemberData($user_info['id'], array('password_salt' => $user_settings['password_salt'])); |
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// Preserve the 2FA cookie? |
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if (!empty($modSettings['tfa_mode']) && !empty($_COOKIE[$cookiename . '_tfa'])) |
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{ |
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list (,, $exp) = $smcFunc['json_decode']($_COOKIE[$cookiename . '_tfa'], true); |
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setTFACookie((int) $exp - time(), $user_info['password_salt'], hash_salt($user_settings['tfa_backup'], $user_settings['password_salt'])); |
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} |
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setLoginCookie((int) $timeout - time(), $user_info['id'], hash_salt($user_settings['passwd'], $user_settings['password_salt'])); |
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redirectexit('action=login2;sa=check;member=' . $user_info['id'], $context['server']['needs_login_fix']); |
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} |
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// Double check the cookie... |
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elseif (isset($_GET['sa']) && $_GET['sa'] == 'check') |
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{ |
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// Strike! You're outta there! |
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if ($_GET['member'] != $user_info['id']) |
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fatal_lang_error('login_cookie_error', false); |
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$user_info['can_mod'] = allowedTo('access_mod_center') || (!$user_info['is_guest'] && ($user_info['mod_cache']['gq'] != '0=1' || $user_info['mod_cache']['bq'] != '0=1' || ($modSettings['postmod_active'] && !empty($user_info['mod_cache']['ap'])))); |
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// Some whitelisting for login_url... |
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if (empty($_SESSION['login_url'])) |
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redirectexit(empty($user_settings['tfa_secret']) ? '' : 'action=logintfa'); |
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elseif (!empty($_SESSION['login_url']) && (strpos($_SESSION['login_url'], 'http://') === false && strpos($_SESSION['login_url'], 'https://') === false)) |
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{ |
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unset($_SESSION['login_url']); |
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redirectexit(empty($user_settings['tfa_secret']) ? '' : 'action=logintfa'); |
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} |
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elseif (!empty($user_settings['tfa_secret'])) |
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{ |
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redirectexit('action=logintfa'); |
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} |
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else |
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{ |
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// Best not to clutter the session data too much... |
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$temp = $_SESSION['login_url']; |
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unset($_SESSION['login_url']); |
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redirectexit($temp); |
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} |
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} |
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// Beyond this point you are assumed to be a guest trying to login. |
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if (!$user_info['is_guest']) |
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redirectexit(); |
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// Are you guessing with a script? |
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checkSession(); |
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validateToken('login'); |
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spamProtection('login'); |
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// Set the login_url if it's not already set (but careful not to send us to an attachment). |
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if ((empty($_SESSION['login_url']) && isset($_SESSION['old_url']) && strpos($_SESSION['old_url'], 'dlattach') === false && preg_match('~(board|topic)[=,]~', $_SESSION['old_url']) != 0) || (isset($_GET['quicklogin']) && isset($_SESSION['old_url']) && strpos($_SESSION['old_url'], 'login') === false)) |
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$_SESSION['login_url'] = $_SESSION['old_url']; |
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// Been guessing a lot, haven't we? |
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if (isset($_SESSION['failed_login']) && $_SESSION['failed_login'] >= $modSettings['failed_login_threshold'] * 3) |
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fatal_lang_error('login_threshold_fail', 'login'); |
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// Set up the cookie length. (if it's invalid, just fall through and use the default.) |
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if (isset($_POST['cookieneverexp']) || (!empty($_POST['cookielength']) && $_POST['cookielength'] == -1)) |
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$modSettings['cookieTime'] = 3153600; |
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elseif (!empty($_POST['cookielength']) && ($_POST['cookielength'] >= 1 && $_POST['cookielength'] <= 3153600)) |
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$modSettings['cookieTime'] = (int) $_POST['cookielength']; |
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loadLanguage('Login'); |
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// Load the template stuff. |
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loadTemplate('Login'); |
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$context['sub_template'] = 'login'; |
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// Create a one time token. |
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createToken('login'); |
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// Set up the default/fallback stuff. |
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$context['default_username'] = isset($_POST['user']) ? preg_replace('~&#(\\d{1,7}|x[0-9a-fA-F]{1,6});~', '&#\\1;', $smcFunc['htmlspecialchars']($_POST['user'])) : ''; |
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$context['default_password'] = ''; |
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$context['never_expire'] = $modSettings['cookieTime'] <= 525600; |
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$context['login_errors'] = array($txt['error_occured']); |
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$context['page_title'] = $txt['login']; |
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// Add the login chain to the link tree. |
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$context['linktree'][] = array( |
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'url' => $scripturl . '?action=login', |
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'name' => $txt['login'], |
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); |
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// You forgot to type your username, dummy! |
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if (!isset($_POST['user']) || $_POST['user'] == '') |
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{ |
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$context['login_errors'] = array($txt['need_username']); |
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return; |
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} |
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// Hmm... maybe 'admin' will login with no password. Uhh... NO! |
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if (!isset($_POST['passwrd']) || $_POST['passwrd'] == '') |
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{ |
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$context['login_errors'] = array($txt['no_password']); |
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return; |
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} |
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// No funky symbols either. |
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if (preg_match('~[<>&"\'=\\\]~', preg_replace('~(&#(\\d{1,7}|x[0-9a-fA-F]{1,6});)~', '', $_POST['user'])) != 0) |
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{ |
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$context['login_errors'] = array($txt['error_invalid_characters_username']); |
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return; |
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} |
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// And if it's too long, trim it back. |
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if ($smcFunc['strlen']($_POST['user']) > 80) |
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{ |
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$_POST['user'] = $smcFunc['substr']($_POST['user'], 0, 79); |
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$context['default_username'] = preg_replace('~&#(\\d{1,7}|x[0-9a-fA-F]{1,6});~', '&#\\1;', $smcFunc['htmlspecialchars']($_POST['user'])); |
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} |
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// Are we using any sort of integration to validate the login? |
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if (in_array('retry', call_integration_hook('integrate_validate_login', array($_POST['user'], isset($_POST['passwrd']) ? $_POST['passwrd'] : null, $modSettings['cookieTime'])), true)) |
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{ |
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$context['login_errors'] = array($txt['incorrect_password']); |
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return; |
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} |
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// Load the data up! |
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$request = $smcFunc['db_query']('', ' |
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SELECT passwd, id_member, id_group, lngfile, is_activated, email_address, additional_groups, member_name, password_salt, |
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passwd_flood, tfa_secret |
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FROM {db_prefix}members |
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WHERE ' . ($smcFunc['db_case_sensitive'] ? 'LOWER(member_name) = LOWER({string:user_name})' : 'member_name = {string:user_name}') . ' |
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LIMIT 1', |
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array( |
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'user_name' => $smcFunc['db_case_sensitive'] ? strtolower($_POST['user']) : $_POST['user'], |
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) |
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); |
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// Probably mistyped or their email, try it as an email address. (member_name first, though!) |
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if ($smcFunc['db_num_rows']($request) == 0 && strpos($_POST['user'], '@') !== false) |
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{ |
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$smcFunc['db_free_result']($request); |
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$request = $smcFunc['db_query']('', ' |
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SELECT passwd, id_member, id_group, lngfile, is_activated, email_address, additional_groups, member_name, password_salt, |
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passwd_flood, tfa_secret |
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FROM {db_prefix}members |
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WHERE email_address = {string:user_name} |
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LIMIT 1', |
|
269
|
|
|
array( |
|
270
|
|
|
'user_name' => $_POST['user'], |
|
271
|
|
|
) |
|
272
|
|
|
); |
|
273
|
|
|
} |
|
274
|
|
|
|
|
275
|
|
|
// Let them try again, it didn't match anything... |
|
276
|
|
|
if ($smcFunc['db_num_rows']($request) == 0) |
|
277
|
|
|
{ |
|
278
|
|
|
$context['login_errors'] = array($txt['username_no_exist']); |
|
279
|
|
|
return; |
|
280
|
|
|
} |
|
281
|
|
|
|
|
282
|
|
|
$user_settings = $smcFunc['db_fetch_assoc']($request); |
|
283
|
|
|
$smcFunc['db_free_result']($request); |
|
284
|
|
|
|
|
285
|
|
|
// Bad password! Thought you could fool the database?! |
|
286
|
|
|
if (!hash_verify_password($user_settings['member_name'], un_htmlspecialchars($_POST['passwrd']), $user_settings['passwd'])) |
|
287
|
|
|
{ |
|
288
|
|
|
// Let's be cautious, no hacking please. thanx. |
|
289
|
|
|
validatePasswordFlood($user_settings['id_member'], $user_settings['member_name'], $user_settings['passwd_flood']); |
|
290
|
|
|
|
|
291
|
|
|
// Maybe we were too hasty... let's try some other authentication methods. |
|
292
|
|
|
$other_passwords = array(); |
|
293
|
|
|
|
|
294
|
|
|
// None of the below cases will be used most of the time (because the salt is normally set.) |
|
295
|
|
|
if (!empty($modSettings['enable_password_conversion']) && $user_settings['password_salt'] == '') |
|
296
|
|
|
{ |
|
297
|
|
|
// YaBB SE, Discus, MD5 (used a lot), SHA-1 (used some), SMF 1.0.x, IkonBoard, and none at all. |
|
298
|
|
|
$other_passwords[] = crypt($_POST['passwrd'], substr($_POST['passwrd'], 0, 2)); |
|
299
|
|
|
$other_passwords[] = crypt($_POST['passwrd'], substr($user_settings['passwd'], 0, 2)); |
|
300
|
|
|
$other_passwords[] = md5($_POST['passwrd']); |
|
301
|
|
|
$other_passwords[] = sha1($_POST['passwrd']); |
|
302
|
|
|
$other_passwords[] = md5_hmac($_POST['passwrd'], strtolower($user_settings['member_name'])); |
|
303
|
|
|
$other_passwords[] = md5($_POST['passwrd'] . strtolower($user_settings['member_name'])); |
|
304
|
|
|
$other_passwords[] = md5(md5($_POST['passwrd'])); |
|
305
|
|
|
$other_passwords[] = $_POST['passwrd']; |
|
306
|
|
|
$other_passwords[] = crypt($_POST['passwrd'], $user_settings['passwd']); |
|
307
|
|
|
|
|
308
|
|
|
// This one is a strange one... MyPHP, crypt() on the MD5 hash. |
|
309
|
|
|
$other_passwords[] = crypt(md5($_POST['passwrd']), md5($_POST['passwrd'])); |
|
310
|
|
|
|
|
311
|
|
|
// Snitz style - SHA-256. Technically, this is a downgrade, but most PHP configurations don't support sha256 anyway. |
|
312
|
|
|
if (strlen($user_settings['passwd']) == 64 && function_exists('mhash') && defined('MHASH_SHA256')) |
|
313
|
|
|
$other_passwords[] = bin2hex(mhash(MHASH_SHA256, $_POST['passwrd'])); |
|
314
|
|
|
|
|
315
|
|
|
// phpBB3 users new hashing. We now support it as well ;). |
|
316
|
|
|
$other_passwords[] = phpBB3_password_check($_POST['passwrd'], $user_settings['passwd']); |
|
317
|
|
|
|
|
318
|
|
|
// APBoard 2 Login Method. |
|
319
|
|
|
$other_passwords[] = md5(crypt($_POST['passwrd'], 'CRYPT_MD5')); |
|
320
|
|
|
} |
|
321
|
|
|
// If the salt is set let's try some other options |
|
322
|
|
|
elseif (!empty($modSettings['enable_password_conversion']) && $user_settings['password_salt'] != '') |
|
323
|
|
|
{ |
|
324
|
|
|
// PHPBB 3 check this function exists in PHP 5.5 or higher |
|
325
|
|
|
if (function_exists('password_verify')) |
|
326
|
|
|
$other_passwords[] = password_verify($_POST['passwrd'],$user_settings['password_salt']); |
|
327
|
|
|
|
|
328
|
|
|
// PHP-Fusion |
|
329
|
|
|
$other_passwords[] = hash_hmac('sha256', $_POST['passwrd'], $user_settings['password_salt']); |
|
330
|
|
|
} |
|
331
|
|
|
// The hash should be 40 if it's SHA-1, so we're safe with more here too. |
|
332
|
|
|
elseif (!empty($modSettings['enable_password_conversion']) && strlen($user_settings['passwd']) == 32) |
|
333
|
|
|
{ |
|
334
|
|
|
// vBulletin 3 style hashing? Let's welcome them with open arms \o/. |
|
335
|
|
|
$other_passwords[] = md5(md5($_POST['passwrd']) . stripslashes($user_settings['password_salt'])); |
|
336
|
|
|
|
|
337
|
|
|
// Hmm.. p'raps it's Invision 2 style? |
|
338
|
|
|
$other_passwords[] = md5(md5($user_settings['password_salt']) . md5($_POST['passwrd'])); |
|
339
|
|
|
|
|
340
|
|
|
// Some common md5 ones. |
|
341
|
|
|
$other_passwords[] = md5($user_settings['password_salt'] . $_POST['passwrd']); |
|
342
|
|
|
$other_passwords[] = md5($_POST['passwrd'] . $user_settings['password_salt']); |
|
343
|
|
|
} |
|
344
|
|
|
elseif (strlen($user_settings['passwd']) == 40) |
|
345
|
|
|
{ |
|
346
|
|
|
// Maybe they are using a hash from before the password fix. |
|
347
|
|
|
// This is also valid for SMF 1.1 to 2.0 style of hashing, changed to bcrypt in SMF 2.1 |
|
348
|
|
|
$other_passwords[] = sha1(strtolower($user_settings['member_name']) . un_htmlspecialchars($_POST['passwrd'])); |
|
349
|
|
|
|
|
350
|
|
|
// BurningBoard3 style of hashing. |
|
351
|
|
|
if (!empty($modSettings['enable_password_conversion'])) |
|
352
|
|
|
$other_passwords[] = sha1($user_settings['password_salt'] . sha1($user_settings['password_salt'] . sha1($_POST['passwrd']))); |
|
353
|
|
|
|
|
354
|
|
|
// PunBB |
|
355
|
|
|
$other_passwords[] = sha1($user_settings['password_salt'] . sha1($_POST['passwrd'])); |
|
356
|
|
|
|
|
357
|
|
|
// Perhaps we converted to UTF-8 and have a valid password being hashed differently. |
|
358
|
|
|
if ($context['character_set'] == 'UTF-8' && !empty($modSettings['previousCharacterSet']) && $modSettings['previousCharacterSet'] != 'utf8') |
|
359
|
|
|
{ |
|
360
|
|
|
// Try iconv first, for no particular reason. |
|
361
|
|
|
if (function_exists('iconv')) |
|
362
|
|
|
$other_passwords['iconv'] = sha1(strtolower(iconv('UTF-8', $modSettings['previousCharacterSet'], $user_settings['member_name'])) . un_htmlspecialchars(iconv('UTF-8', $modSettings['previousCharacterSet'], $_POST['passwrd']))); |
|
363
|
|
|
|
|
364
|
|
|
// Say it aint so, iconv failed! |
|
365
|
|
|
if (empty($other_passwords['iconv']) && function_exists('mb_convert_encoding')) |
|
366
|
|
|
$other_passwords[] = sha1(strtolower(mb_convert_encoding($user_settings['member_name'], 'UTF-8', $modSettings['previousCharacterSet'])) . un_htmlspecialchars(mb_convert_encoding($_POST['passwrd'], 'UTF-8', $modSettings['previousCharacterSet']))); |
|
367
|
|
|
} |
|
368
|
|
|
} |
|
369
|
|
|
|
|
370
|
|
|
// SMF's sha1 function can give a funny result on Linux (Not our fault!). If we've now got the real one let the old one be valid! |
|
371
|
|
|
if (stripos(PHP_OS, 'win') !== 0 && strlen($user_settings['passwd']) < hash_length()) |
|
372
|
|
|
{ |
|
373
|
|
|
require_once($sourcedir . '/Subs-Compat.php'); |
|
374
|
|
|
$other_passwords[] = sha1_smf(strtolower($user_settings['member_name']) . un_htmlspecialchars($_POST['passwrd'])); |
|
375
|
|
|
} |
|
376
|
|
|
|
|
377
|
|
|
// Allows mods to easily extend the $other_passwords array |
|
378
|
|
|
call_integration_hook('integrate_other_passwords', array(&$other_passwords)); |
|
379
|
|
|
|
|
380
|
|
|
// Whichever encryption it was using, let's make it use SMF's now ;). |
|
381
|
|
|
if (in_array($user_settings['passwd'], $other_passwords)) |
|
382
|
|
|
{ |
|
383
|
|
|
$user_settings['passwd'] = hash_password($user_settings['member_name'], un_htmlspecialchars($_POST['passwrd'])); |
|
384
|
|
|
$user_settings['password_salt'] = bin2hex($smcFunc['random_bytes'](16)); |
|
385
|
|
|
|
|
386
|
|
|
// Update the password and set up the hash. |
|
387
|
|
|
updateMemberData($user_settings['id_member'], array('passwd' => $user_settings['passwd'], 'password_salt' => $user_settings['password_salt'], 'passwd_flood' => '')); |
|
388
|
|
|
} |
|
389
|
|
|
// Okay, they for sure didn't enter the password! |
|
390
|
|
|
else |
|
391
|
|
|
{ |
|
392
|
|
|
// They've messed up again - keep a count to see if they need a hand. |
|
393
|
|
|
$_SESSION['failed_login'] = isset($_SESSION['failed_login']) ? ($_SESSION['failed_login'] + 1) : 1; |
|
394
|
|
|
|
|
395
|
|
|
// Hmm... don't remember it, do you? Here, try the password reminder ;). |
|
396
|
|
|
if ($_SESSION['failed_login'] >= $modSettings['failed_login_threshold']) |
|
397
|
|
|
redirectexit('action=reminder'); |
|
398
|
|
|
// We'll give you another chance... |
|
399
|
|
|
else |
|
400
|
|
|
{ |
|
401
|
|
|
// Log an error so we know that it didn't go well in the error log. |
|
402
|
|
|
log_error($txt['incorrect_password'] . ' - <span class="remove">' . $user_settings['member_name'] . '</span>', 'user'); |
|
403
|
|
|
|
|
404
|
|
|
$context['login_errors'] = array($txt['incorrect_password']); |
|
405
|
|
|
return; |
|
406
|
|
|
} |
|
407
|
|
|
} |
|
408
|
|
|
} |
|
409
|
|
|
elseif (!empty($user_settings['passwd_flood'])) |
|
410
|
|
|
{ |
|
411
|
|
|
// Let's be sure they weren't a little hacker. |
|
412
|
|
|
validatePasswordFlood($user_settings['id_member'], $user_settings['member_name'], $user_settings['passwd_flood'], true); |
|
413
|
|
|
|
|
414
|
|
|
// If we got here then we can reset the flood counter. |
|
415
|
|
|
updateMemberData($user_settings['id_member'], array('passwd_flood' => '')); |
|
416
|
|
|
} |
|
417
|
|
|
|
|
418
|
|
|
// Correct password, but they've got no salt; fix it! |
|
419
|
|
|
if (strlen($user_settings['password_salt']) < 32) |
|
420
|
|
|
{ |
|
421
|
|
|
$user_settings['password_salt'] = bin2hex($smcFunc['random_bytes'](16)); |
|
422
|
|
|
updateMemberData($user_settings['id_member'], array('password_salt' => $user_settings['password_salt'])); |
|
423
|
|
|
} |
|
424
|
|
|
|
|
425
|
|
|
// Check their activation status. |
|
426
|
|
|
if (!checkActivation()) |
|
427
|
|
|
return; |
|
428
|
|
|
|
|
429
|
|
|
DoLogin(); |
|
430
|
|
|
} |
|
431
|
|
|
|
|
432
|
|
|
/** |
|
433
|
|
|
* Allows the user to enter their Two-Factor Authentication code |
|
434
|
|
|
*/ |
|
435
|
|
|
function LoginTFA() |
|
436
|
|
|
{ |
|
437
|
|
|
global $sourcedir, $txt, $context, $user_info, $modSettings, $scripturl; |
|
438
|
|
|
|
|
439
|
|
|
if (!$user_info['is_guest'] || empty($context['tfa_member']) || empty($modSettings['tfa_mode'])) |
|
440
|
|
|
fatal_lang_error('no_access', false); |
|
441
|
|
|
|
|
442
|
|
|
loadLanguage('Profile'); |
|
443
|
|
|
require_once($sourcedir . '/Class-TOTP.php'); |
|
444
|
|
|
|
|
445
|
|
|
$member = $context['tfa_member']; |
|
446
|
|
|
|
|
447
|
|
|
// Prevent replay attacks by limiting at least 2 minutes before they can log in again via 2FA |
|
448
|
|
|
if (time() - $member['last_login'] < 120) |
|
449
|
|
|
fatal_lang_error('tfa_wait', false); |
|
450
|
|
|
|
|
451
|
|
|
$totp = new \TOTP\Auth($member['tfa_secret']); |
|
452
|
|
|
$totp->setRange(1); |
|
453
|
|
|
|
|
454
|
|
|
if (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') |
|
455
|
|
|
{ |
|
456
|
|
|
$context['from_ajax'] = true; |
|
457
|
|
|
$context['template_layers'] = array(); |
|
458
|
|
|
} |
|
459
|
|
|
|
|
460
|
|
|
if (!empty($_POST['tfa_code']) && empty($_POST['tfa_backup'])) |
|
461
|
|
|
{ |
|
462
|
|
|
// Check to ensure we're forcing SSL for authentication |
|
463
|
|
|
if (!empty($modSettings['force_ssl']) && empty($maintenance) && !httpsOn()) |
|
|
|
|
|
|
464
|
|
|
fatal_lang_error('login_ssl_required', false); |
|
465
|
|
|
|
|
466
|
|
|
$code = $_POST['tfa_code']; |
|
467
|
|
|
|
|
468
|
|
|
if (strlen($code) == $totp->getCodeLength() && $totp->validateCode($code)) |
|
469
|
|
|
{ |
|
470
|
|
|
updateMemberData($member['id_member'], array('last_login' => time())); |
|
471
|
|
|
|
|
472
|
|
|
setTFACookie(3153600, $member['id_member'], hash_salt($member['tfa_backup'], $member['password_salt'])); |
|
473
|
|
|
redirectexit(); |
|
474
|
|
|
} |
|
475
|
|
|
else |
|
476
|
|
|
{ |
|
477
|
|
|
validatePasswordFlood($member['id_member'], $member['member_name'], $member['passwd_flood'], false, true); |
|
478
|
|
|
|
|
479
|
|
|
$context['tfa_error'] = true; |
|
480
|
|
|
$context['tfa_value'] = $_POST['tfa_code']; |
|
481
|
|
|
} |
|
482
|
|
|
} |
|
483
|
|
|
elseif (!empty($_POST['tfa_backup'])) |
|
484
|
|
|
{ |
|
485
|
|
|
// Check to ensure we're forcing SSL for authentication |
|
486
|
|
|
if (!empty($modSettings['force_ssl']) && empty($maintenance) && !httpsOn()) |
|
487
|
|
|
fatal_lang_error('login_ssl_required', false); |
|
488
|
|
|
|
|
489
|
|
|
$backup = $_POST['tfa_backup']; |
|
490
|
|
|
|
|
491
|
|
|
if (hash_verify_password($member['member_name'], $backup, $member['tfa_backup'])) |
|
492
|
|
|
{ |
|
493
|
|
|
// Get rid of their current TFA settings |
|
494
|
|
|
updateMemberData($member['id_member'], array( |
|
495
|
|
|
'tfa_secret' => '', |
|
496
|
|
|
'tfa_backup' => '', |
|
497
|
|
|
'last_login' => time(), |
|
498
|
|
|
)); |
|
499
|
|
|
setTFACookie(3153600, $member['id_member'], hash_salt($member['tfa_backup'], $member['password_salt'])); |
|
500
|
|
|
redirectexit('action=profile;area=tfasetup;backup'); |
|
501
|
|
|
} |
|
502
|
|
|
else |
|
503
|
|
|
{ |
|
504
|
|
|
validatePasswordFlood($member['id_member'], $member['member_name'], $member['passwd_flood'], false, true); |
|
505
|
|
|
|
|
506
|
|
|
$context['tfa_backup_error'] = true; |
|
507
|
|
|
$context['tfa_value'] = $_POST['tfa_code']; |
|
508
|
|
|
$context['tfa_backup_value'] = $_POST['tfa_backup']; |
|
509
|
|
|
} |
|
510
|
|
|
} |
|
511
|
|
|
|
|
512
|
|
|
loadTemplate('Login'); |
|
513
|
|
|
$context['sub_template'] = 'login_tfa'; |
|
514
|
|
|
$context['page_title'] = $txt['login']; |
|
515
|
|
|
$context['tfa_url'] = $scripturl . '?action=logintfa'; |
|
516
|
|
|
} |
|
517
|
|
|
|
|
518
|
|
|
/** |
|
519
|
|
|
* Check activation status of the current user. |
|
520
|
|
|
*/ |
|
521
|
|
|
function checkActivation() |
|
522
|
|
|
{ |
|
523
|
|
|
global $context, $txt, $scripturl, $user_settings, $modSettings; |
|
524
|
|
|
|
|
525
|
|
|
if (!isset($context['login_errors'])) |
|
526
|
|
|
$context['login_errors'] = array(); |
|
527
|
|
|
|
|
528
|
|
|
// What is the true activation status of this account? |
|
529
|
|
|
$activation_status = $user_settings['is_activated'] > 10 ? $user_settings['is_activated'] - 10 : $user_settings['is_activated']; |
|
530
|
|
|
|
|
531
|
|
|
// Check if the account is activated - COPPA first... |
|
532
|
|
|
if ($activation_status == 5) |
|
533
|
|
|
{ |
|
534
|
|
|
$context['login_errors'][] = $txt['coppa_no_consent'] . ' <a href="' . $scripturl . '?action=coppa;member=' . $user_settings['id_member'] . '">' . $txt['coppa_need_more_details'] . '</a>'; |
|
535
|
|
|
return false; |
|
536
|
|
|
} |
|
537
|
|
|
// Awaiting approval still? |
|
538
|
|
|
elseif ($activation_status == 3) |
|
539
|
|
|
fatal_lang_error('still_awaiting_approval', 'user'); |
|
540
|
|
|
// Awaiting deletion, changed their mind? |
|
541
|
|
|
elseif ($activation_status == 4) |
|
542
|
|
|
{ |
|
543
|
|
|
if (isset($_REQUEST['undelete'])) |
|
544
|
|
|
{ |
|
545
|
|
|
updateMemberData($user_settings['id_member'], array('is_activated' => 1)); |
|
546
|
|
|
updateSettings(array('unapprovedMembers' => ($modSettings['unapprovedMembers'] > 0 ? $modSettings['unapprovedMembers'] - 1 : 0))); |
|
547
|
|
|
} |
|
548
|
|
|
else |
|
549
|
|
|
{ |
|
550
|
|
|
$context['disable_login_hashing'] = true; |
|
551
|
|
|
$context['login_errors'][] = $txt['awaiting_delete_account']; |
|
552
|
|
|
$context['login_show_undelete'] = true; |
|
553
|
|
|
return false; |
|
554
|
|
|
} |
|
555
|
|
|
} |
|
556
|
|
|
// Standard activation? |
|
557
|
|
|
elseif ($activation_status != 1) |
|
558
|
|
|
{ |
|
559
|
|
|
log_error($txt['activate_not_completed1'] . ' - <span class="remove">' . $user_settings['member_name'] . '</span>', false); |
|
560
|
|
|
|
|
561
|
|
|
$context['login_errors'][] = $txt['activate_not_completed1'] . ' <a href="' . $scripturl . '?action=activate;sa=resend;u=' . $user_settings['id_member'] . '">' . $txt['activate_not_completed2'] . '</a>'; |
|
562
|
|
|
return false; |
|
563
|
|
|
} |
|
564
|
|
|
return true; |
|
565
|
|
|
} |
|
566
|
|
|
|
|
567
|
|
|
/** |
|
568
|
|
|
* Perform the logging in. (set cookie, call hooks, etc) |
|
569
|
|
|
*/ |
|
570
|
|
|
function DoLogin() |
|
571
|
|
|
{ |
|
572
|
|
|
global $user_info, $user_settings, $smcFunc; |
|
573
|
|
|
global $maintenance, $modSettings, $context, $sourcedir; |
|
574
|
|
|
|
|
575
|
|
|
// Load cookie authentication stuff. |
|
576
|
|
|
require_once($sourcedir . '/Subs-Auth.php'); |
|
577
|
|
|
|
|
578
|
|
|
// Call login integration functions. |
|
579
|
|
|
call_integration_hook('integrate_login', array($user_settings['member_name'], null, $modSettings['cookieTime'])); |
|
580
|
|
|
|
|
581
|
|
|
// Get ready to set the cookie... |
|
582
|
|
|
$user_info['id'] = $user_settings['id_member']; |
|
583
|
|
|
|
|
584
|
|
|
// Bam! Cookie set. A session too, just in case. |
|
585
|
|
|
setLoginCookie(60 * $modSettings['cookieTime'], $user_settings['id_member'], hash_salt($user_settings['passwd'], $user_settings['password_salt'])); |
|
586
|
|
|
|
|
587
|
|
|
// Reset the login threshold. |
|
588
|
|
|
if (isset($_SESSION['failed_login'])) |
|
589
|
|
|
unset($_SESSION['failed_login']); |
|
590
|
|
|
|
|
591
|
|
|
$user_info['is_guest'] = false; |
|
592
|
|
|
$user_settings['additional_groups'] = explode(',', $user_settings['additional_groups']); |
|
593
|
|
|
$user_info['is_admin'] = $user_settings['id_group'] == 1 || in_array(1, $user_settings['additional_groups']); |
|
594
|
|
|
|
|
595
|
|
|
// Are you banned? |
|
596
|
|
|
is_not_banned(true); |
|
597
|
|
|
|
|
598
|
|
|
// Don't stick the language or theme after this point. |
|
599
|
|
|
unset($_SESSION['language'], $_SESSION['id_theme']); |
|
600
|
|
|
|
|
601
|
|
|
// First login? |
|
602
|
|
|
$request = $smcFunc['db_query']('', ' |
|
603
|
|
|
SELECT last_login |
|
604
|
|
|
FROM {db_prefix}members |
|
605
|
|
|
WHERE id_member = {int:id_member} |
|
606
|
|
|
AND last_login = 0', |
|
607
|
|
|
array( |
|
608
|
|
|
'id_member' => $user_info['id'], |
|
609
|
|
|
) |
|
610
|
|
|
); |
|
611
|
|
|
if ($smcFunc['db_num_rows']($request) == 1) |
|
612
|
|
|
$_SESSION['first_login'] = true; |
|
613
|
|
|
else |
|
614
|
|
|
unset($_SESSION['first_login']); |
|
615
|
|
|
$smcFunc['db_free_result']($request); |
|
616
|
|
|
|
|
617
|
|
|
// You've logged in, haven't you? |
|
618
|
|
|
$update = array('member_ip' => $user_info['ip'], 'member_ip2' => $_SERVER['BAN_CHECK_IP']); |
|
619
|
|
|
if (empty($user_settings['tfa_secret'])) |
|
620
|
|
|
$update['last_login'] = time(); |
|
621
|
|
|
updateMemberData($user_info['id'], $update); |
|
622
|
|
|
|
|
623
|
|
|
// Get rid of the online entry for that old guest.... |
|
624
|
|
|
$smcFunc['db_query']('', ' |
|
625
|
|
|
DELETE FROM {db_prefix}log_online |
|
626
|
|
|
WHERE session = {string:session}', |
|
627
|
|
|
array( |
|
628
|
|
|
'session' => 'ip' . $user_info['ip'], |
|
629
|
|
|
) |
|
630
|
|
|
); |
|
631
|
|
|
$_SESSION['log_time'] = 0; |
|
632
|
|
|
|
|
633
|
|
|
// Log this entry, only if we have it enabled. |
|
634
|
|
|
if (!empty($modSettings['loginHistoryDays'])) |
|
635
|
|
|
$smcFunc['db_insert']('insert', |
|
636
|
|
|
'{db_prefix}member_logins', |
|
637
|
|
|
array( |
|
638
|
|
|
'id_member' => 'int', 'time' => 'int', 'ip' => 'inet', 'ip2' => 'inet', |
|
639
|
|
|
), |
|
640
|
|
|
array( |
|
641
|
|
|
$user_info['id'], time(), $user_info['ip'], $user_info['ip2'] |
|
642
|
|
|
), |
|
643
|
|
|
array( |
|
644
|
|
|
'id_member', 'time' |
|
645
|
|
|
) |
|
646
|
|
|
); |
|
647
|
|
|
|
|
648
|
|
|
// Just log you back out if it's in maintenance mode and you AREN'T an admin. |
|
649
|
|
|
if (empty($maintenance) || allowedTo('admin_forum')) |
|
650
|
|
|
redirectexit('action=login2;sa=check;member=' . $user_info['id'], $context['server']['needs_login_fix']); |
|
651
|
|
|
else |
|
652
|
|
|
redirectexit('action=logout;' . $context['session_var'] . '=' . $context['session_id'], $context['server']['needs_login_fix']); |
|
653
|
|
|
} |
|
654
|
|
|
|
|
655
|
|
|
/** |
|
656
|
|
|
* Logs the current user out of their account. |
|
657
|
|
|
* It requires that the session hash is sent as well, to prevent automatic logouts by images or javascript. |
|
658
|
|
|
* It redirects back to $_SESSION['logout_url'], if it exists. |
|
659
|
|
|
* It is accessed via ?action=logout;session_var=... |
|
660
|
|
|
* |
|
661
|
|
|
* @param bool $internal If true, it doesn't check the session |
|
662
|
|
|
* @param bool $redirect Whether or not to redirect the user after they log out |
|
663
|
|
|
*/ |
|
664
|
|
|
function Logout($internal = false, $redirect = true) |
|
665
|
|
|
{ |
|
666
|
|
|
global $sourcedir, $user_info, $user_settings, $context, $smcFunc, $cookiename, $modSettings; |
|
667
|
|
|
|
|
668
|
|
|
// They decided to cancel a logout? |
|
669
|
|
|
if (!$internal && isset($_POST['cancel']) && isset($_GET[$context['session_var']])) |
|
670
|
|
|
redirectexit(!empty($_SESSION['logout_return']) ? $_SESSION['logout_return'] : ''); |
|
671
|
|
|
// Prompt to logout? |
|
672
|
|
|
elseif (!$internal && !isset($_GET[$context['session_var']])) |
|
673
|
|
|
{ |
|
674
|
|
|
loadLanguage('Login'); |
|
675
|
|
|
loadTemplate('Login'); |
|
676
|
|
|
$context['sub_template'] = 'logout'; |
|
677
|
|
|
|
|
678
|
|
|
// This came from a valid hashed return url. Or something that knows our secrets... |
|
679
|
|
|
if (!empty($_REQUEST['return_hash']) && !empty($_REQUEST['return_to']) && hash_hmac('sha1', $_REQUEST['return_to'], $image_proxy_secret) == $_REQUEST['return_hash']) |
|
|
|
|
|
|
680
|
|
|
{ |
|
681
|
|
|
$_SESSION['logout_url'] = urldecode($_REQUEST['return_to']); |
|
682
|
|
|
$_SESSION['logout_return'] = $_SESSION['logout_url']; |
|
683
|
|
|
} |
|
684
|
|
|
// Setup the return address. |
|
685
|
|
|
else |
|
686
|
|
|
$_SESSION['logout_return'] = $_SESSION['old_url']; |
|
687
|
|
|
|
|
688
|
|
|
// Don't go any further. |
|
689
|
|
|
return; |
|
690
|
|
|
} |
|
691
|
|
|
// Make sure they aren't being auto-logged out. |
|
692
|
|
|
elseif (!$internal && isset($_GET[$context['session_var']])) |
|
693
|
|
|
checkSession('get'); |
|
694
|
|
|
|
|
695
|
|
|
require_once($sourcedir . '/Subs-Auth.php'); |
|
696
|
|
|
|
|
697
|
|
|
if (isset($_SESSION['pack_ftp'])) |
|
698
|
|
|
$_SESSION['pack_ftp'] = null; |
|
699
|
|
|
|
|
700
|
|
|
// It won't be first login anymore. |
|
701
|
|
|
unset($_SESSION['first_login']); |
|
702
|
|
|
|
|
703
|
|
|
// Just ensure they aren't a guest! |
|
704
|
|
|
if (!$user_info['is_guest']) |
|
705
|
|
|
{ |
|
706
|
|
|
// Pass the logout information to integrations. |
|
707
|
|
|
call_integration_hook('integrate_logout', array($user_settings['member_name'])); |
|
708
|
|
|
|
|
709
|
|
|
// If you log out, you aren't online anymore :P. |
|
710
|
|
|
$smcFunc['db_query']('', ' |
|
711
|
|
|
DELETE FROM {db_prefix}log_online |
|
712
|
|
|
WHERE id_member = {int:current_member}', |
|
713
|
|
|
array( |
|
714
|
|
|
'current_member' => $user_info['id'], |
|
715
|
|
|
) |
|
716
|
|
|
); |
|
717
|
|
|
} |
|
718
|
|
|
|
|
719
|
|
|
$_SESSION['log_time'] = 0; |
|
720
|
|
|
|
|
721
|
|
|
// Empty the cookie! (set it in the past, and for id_member = 0) |
|
722
|
|
|
setLoginCookie(-3600, 0); |
|
723
|
|
|
|
|
724
|
|
|
// And some other housekeeping while we're at it. |
|
725
|
|
|
$salt = bin2hex($smcFunc['random_bytes'](16)); |
|
726
|
|
|
if (!empty($user_info['id'])) |
|
727
|
|
|
updateMemberData($user_info['id'], array('password_salt' => $salt)); |
|
728
|
|
|
|
|
729
|
|
|
if (!empty($modSettings['tfa_mode']) && !empty($user_info['id']) && !empty($_COOKIE[$cookiename . '_tfa'])) |
|
730
|
|
|
{ |
|
731
|
|
|
list (,, $exp) = $smcFunc['json_decode']($_COOKIE[$cookiename . '_tfa'], true); |
|
732
|
|
|
setTFACookie((int) $exp - time(), $salt, hash_salt($user_settings['tfa_backup'], $salt)); |
|
|
|
|
|
|
733
|
|
|
} |
|
734
|
|
|
|
|
735
|
|
|
session_destroy(); |
|
736
|
|
|
|
|
737
|
|
|
// Off to the merry board index we go! |
|
738
|
|
|
if ($redirect) |
|
739
|
|
|
{ |
|
740
|
|
|
if (empty($_SESSION['logout_url'])) |
|
741
|
|
|
redirectexit('', $context['server']['needs_login_fix']); |
|
742
|
|
|
elseif (!empty($_SESSION['logout_url']) && (strpos($_SESSION['logout_url'], 'http://') === false && strpos($_SESSION['logout_url'], 'https://') === false)) |
|
743
|
|
|
{ |
|
744
|
|
|
unset ($_SESSION['logout_url']); |
|
745
|
|
|
redirectexit(); |
|
746
|
|
|
} |
|
747
|
|
|
else |
|
748
|
|
|
{ |
|
749
|
|
|
$temp = $_SESSION['logout_url']; |
|
750
|
|
|
unset($_SESSION['logout_url']); |
|
751
|
|
|
|
|
752
|
|
|
redirectexit($temp, $context['server']['needs_login_fix']); |
|
753
|
|
|
} |
|
754
|
|
|
} |
|
755
|
|
|
} |
|
756
|
|
|
|
|
757
|
|
|
/** |
|
758
|
|
|
* MD5 Encryption used for older passwords. (SMF 1.0.x/YaBB SE 1.5.x hashing) |
|
759
|
|
|
* |
|
760
|
|
|
* @param string $data The data |
|
761
|
|
|
* @param string $key The key |
|
762
|
|
|
* @return string The HMAC MD5 of data with key |
|
763
|
|
|
*/ |
|
764
|
|
|
function md5_hmac($data, $key) |
|
765
|
|
|
{ |
|
766
|
|
|
$key = str_pad(strlen($key) <= 64 ? $key : pack('H*', md5($key)), 64, chr(0x00)); |
|
767
|
|
|
return md5(($key ^ str_repeat(chr(0x5c), 64)) . pack('H*', md5(($key ^ str_repeat(chr(0x36), 64)) . $data))); |
|
768
|
|
|
} |
|
769
|
|
|
|
|
770
|
|
|
/** |
|
771
|
|
|
* Custom encryption for phpBB3 based passwords. |
|
772
|
|
|
* |
|
773
|
|
|
* @param string $passwd The raw (unhashed) password |
|
774
|
|
|
* @param string $passwd_hash The hashed password |
|
775
|
|
|
* @return string The hashed version of $passwd |
|
776
|
|
|
*/ |
|
777
|
|
|
function phpBB3_password_check($passwd, $passwd_hash) |
|
778
|
|
|
{ |
|
779
|
|
|
// Too long or too short? |
|
780
|
|
|
if (strlen($passwd_hash) != 34) |
|
781
|
|
|
return; |
|
782
|
|
|
|
|
783
|
|
|
// Range of characters allowed. |
|
784
|
|
|
$range = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'; |
|
785
|
|
|
|
|
786
|
|
|
// Tests |
|
787
|
|
|
$strpos = strpos($range, $passwd_hash[3]); |
|
788
|
|
|
$count = 1 << $strpos; |
|
789
|
|
|
$salt = substr($passwd_hash, 4, 8); |
|
790
|
|
|
|
|
791
|
|
|
$hash = md5($salt . $passwd, true); |
|
792
|
|
|
for (; $count != 0; --$count) |
|
793
|
|
|
$hash = md5($hash . $passwd, true); |
|
794
|
|
|
|
|
795
|
|
|
$output = substr($passwd_hash, 0, 12); |
|
796
|
|
|
$i = 0; |
|
797
|
|
|
while ($i < 16) |
|
798
|
|
|
{ |
|
799
|
|
|
$value = ord($hash[$i++]); |
|
800
|
|
|
$output .= $range[$value & 0x3f]; |
|
801
|
|
|
|
|
802
|
|
|
if ($i < 16) |
|
803
|
|
|
$value |= ord($hash[$i]) << 8; |
|
804
|
|
|
|
|
805
|
|
|
$output .= $range[($value >> 6) & 0x3f]; |
|
806
|
|
|
|
|
807
|
|
|
if ($i++ >= 16) |
|
808
|
|
|
break; |
|
809
|
|
|
|
|
810
|
|
|
if ($i < 16) |
|
811
|
|
|
$value |= ord($hash[$i]) << 16; |
|
812
|
|
|
|
|
813
|
|
|
$output .= $range[($value >> 12) & 0x3f]; |
|
814
|
|
|
|
|
815
|
|
|
if ($i++ >= 16) |
|
816
|
|
|
break; |
|
817
|
|
|
|
|
818
|
|
|
$output .= $range[($value >> 18) & 0x3f]; |
|
819
|
|
|
} |
|
820
|
|
|
|
|
821
|
|
|
// Return now. |
|
822
|
|
|
return $output; |
|
823
|
|
|
} |
|
824
|
|
|
|
|
825
|
|
|
/** |
|
826
|
|
|
* This protects against brute force attacks on a member's password. |
|
827
|
|
|
* Importantly, even if the password was right we DON'T TELL THEM! |
|
828
|
|
|
* |
|
829
|
|
|
* @param int $id_member The ID of the member |
|
830
|
|
|
* @param string $member_name The name of the member. |
|
831
|
|
|
* @param bool|string $password_flood_value False if we don't have a flood value, otherwise a string with a timestamp and number of tries separated by a | |
|
832
|
|
|
* @param bool $was_correct Whether or not the password was correct |
|
833
|
|
|
* @param bool $tfa Whether we're validating for two-factor authentication |
|
834
|
|
|
*/ |
|
835
|
|
|
function validatePasswordFlood($id_member, $member_name, $password_flood_value = false, $was_correct = false, $tfa = false) |
|
836
|
|
|
{ |
|
837
|
|
|
global $cookiename, $sourcedir; |
|
838
|
|
|
|
|
839
|
|
|
// As this is only brute protection, we allow 5 attempts every 10 seconds. |
|
840
|
|
|
|
|
841
|
|
|
// Destroy any session or cookie data about this member, as they validated wrong. |
|
842
|
|
|
// Only if they're not validating for 2FA |
|
843
|
|
|
if (!$tfa) |
|
844
|
|
|
{ |
|
845
|
|
|
require_once($sourcedir . '/Subs-Auth.php'); |
|
846
|
|
|
setLoginCookie(-3600, 0); |
|
847
|
|
|
|
|
848
|
|
|
if (isset($_SESSION['login_' . $cookiename])) |
|
849
|
|
|
unset($_SESSION['login_' . $cookiename]); |
|
850
|
|
|
} |
|
851
|
|
|
|
|
852
|
|
|
// We need a member! |
|
853
|
|
|
if (!$id_member) |
|
854
|
|
|
{ |
|
855
|
|
|
// Redirect back! |
|
856
|
|
|
redirectexit(); |
|
857
|
|
|
|
|
858
|
|
|
// Probably not needed, but still make sure... |
|
859
|
|
|
fatal_lang_error('no_access', false); |
|
860
|
|
|
} |
|
861
|
|
|
|
|
862
|
|
|
// Right, have we got a flood value? |
|
863
|
|
|
if ($password_flood_value !== false) |
|
864
|
|
|
@list ($time_stamp, $number_tries) = explode('|', $password_flood_value); |
|
|
|
|
|
|
865
|
|
|
|
|
866
|
|
|
// Timestamp or number of tries invalid? |
|
867
|
|
|
if (empty($number_tries) || empty($time_stamp)) |
|
868
|
|
|
{ |
|
869
|
|
|
$number_tries = 0; |
|
870
|
|
|
$time_stamp = time(); |
|
871
|
|
|
} |
|
872
|
|
|
|
|
873
|
|
|
// They've failed logging in already |
|
874
|
|
|
if (!empty($number_tries)) |
|
875
|
|
|
{ |
|
876
|
|
|
// Give them less chances if they failed before |
|
877
|
|
|
$number_tries = $time_stamp < time() - 20 ? 2 : $number_tries; |
|
878
|
|
|
|
|
879
|
|
|
// They are trying too fast, make them wait longer |
|
880
|
|
|
if ($time_stamp < time() - 10) |
|
881
|
|
|
$time_stamp = time(); |
|
882
|
|
|
} |
|
883
|
|
|
|
|
884
|
|
|
$number_tries++; |
|
885
|
|
|
|
|
886
|
|
|
// Broken the law? |
|
887
|
|
|
if ($number_tries > 5) |
|
888
|
|
|
fatal_lang_error('login_threshold_brute_fail', 'login', [$member_name]); |
|
889
|
|
|
|
|
890
|
|
|
// Otherwise set the members data. If they correct on their first attempt then we actually clear it, otherwise we set it! |
|
891
|
|
|
updateMemberData($id_member, array('passwd_flood' => $was_correct && $number_tries == 1 ? '' : $time_stamp . '|' . $number_tries)); |
|
892
|
|
|
|
|
893
|
|
|
} |
|
894
|
|
|
|
|
895
|
|
|
?> |
SimpleMachines /
SMF2.1
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