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author | Andreas Fischer <bantu@phpbb.com> | 2011-06-11 19:40:03 +0200 |
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committer | Andreas Fischer <bantu@phpbb.com> | 2011-06-11 19:40:03 +0200 |
commit | bf2125f0f7c2b3d2f270ae4f3117941dd108f35a (patch) | |
tree | b5a3fa0b2da88804d649b6492be86587d510e93f /phpBB/includes/auth | |
parent | 76167c6b912fcb577d31b6b27090262512862c1b (diff) | |
parent | f1998ddbc712015562b8e16fdc0f42a4c85ae82e (diff) | |
download | forums-bf2125f0f7c2b3d2f270ae4f3117941dd108f35a.tar forums-bf2125f0f7c2b3d2f270ae4f3117941dd108f35a.tar.gz forums-bf2125f0f7c2b3d2f270ae4f3117941dd108f35a.tar.bz2 forums-bf2125f0f7c2b3d2f270ae4f3117941dd108f35a.tar.xz forums-bf2125f0f7c2b3d2f270ae4f3117941dd108f35a.zip |
Merge remote-tracking branch 'naderman/ticket/9992' into develop-olympus
* naderman/ticket/9992:
[ticket/9992] Clarify explanations of ip and account limits on login
[ticket/9992] Add a comma to language for IP_LOGIN_LIMIT_MAX_EXPLAIN
[ticket/9992] Use sql_fetchfield for single row and single column result
[ticket/9992] Adding a limit on login attempts per IP.
[ticket/9992] Make sql_create_table and sql_table_exists available in updater
Diffstat (limited to 'phpBB/includes/auth')
-rw-r--r-- | phpBB/includes/auth/auth_db.php | 65 |
1 files changed, 61 insertions, 4 deletions
diff --git a/phpBB/includes/auth/auth_db.php b/phpBB/includes/auth/auth_db.php index e04a6307e9..02c9386f33 100644 --- a/phpBB/includes/auth/auth_db.php +++ b/phpBB/includes/auth/auth_db.php @@ -23,8 +23,21 @@ if (!defined('IN_PHPBB')) /** * Login function +* +* @param string $username +* @param string $password +* @param string $ip IP address the login is taking place from. Used to +* limit the number of login attempts per IP address. +* @param string $browser The user agent used to login +* @param string $forwarded_for X_FORWARDED_FOR header sent with login request +* @return array A associative array of the format +* array( +* 'status' => status constant +* 'error_msg' => string +* 'user_row' => array +* ) */ -function login_db(&$username, &$password) +function login_db($username, $password, $ip = '', $browser = '', $forwarded_for = '') { global $db, $config; @@ -47,13 +60,51 @@ function login_db(&$username, &$password) ); } + $username_clean = utf8_clean_string($username); + $sql = 'SELECT user_id, username, user_password, user_passchg, user_pass_convert, user_email, user_type, user_login_attempts FROM ' . USERS_TABLE . " - WHERE username_clean = '" . $db->sql_escape(utf8_clean_string($username)) . "'"; + WHERE username_clean = '" . $db->sql_escape($username_clean) . "'"; $result = $db->sql_query($sql); $row = $db->sql_fetchrow($result); $db->sql_freeresult($result); + if (($ip && !$config['ip_login_limit_use_forwarded']) || + ($forwarded_for && $config['ip_login_limit_use_forwarded'])) + { + $sql = 'SELECT COUNT(attempt_id) AS count + FROM ' . LOGIN_ATTEMPT_TABLE . ' + WHERE attempt_time > ' . (time() - (int) $config['ip_login_limit_time']); + if ($config['ip_login_limit_use_forwarded']) + { + $sql .= " AND attempt_forwarded_for = '" . $db->sql_escape($forwarded_for) . "'"; + } + else + { + $sql .= " AND attempt_ip = '" . $db->sql_escape($ip) . "' "; + } + + $result = $db->sql_query($sql); + $attempts = (int) $db->sql_fetchfield('count'); + $db->sql_freeresult($result); + + $attempt_data = array( + 'attempt_ip' => $ip, + 'attempt_browser' => $browser, + 'attempt_forwarded_for' => $forwarded_for, + 'attempt_time' => time(), + 'user_id' => ($row) ? (int) $row['user_id'] : 0, + 'username' => $username, + 'username_clean' => $username_clean, + ); + $sql = 'INSERT INTO ' . LOGIN_ATTEMPT_TABLE . $db->sql_build_array('INSERT', $attempt_data); + $result = $db->sql_query($sql); + } + else + { + $attempts = 0; + } + if (!$row) { return array( @@ -62,7 +113,9 @@ function login_db(&$username, &$password) 'user_row' => array('user_id' => ANONYMOUS), ); } - $show_captcha = $config['max_login_attempts'] && $row['user_login_attempts'] >= $config['max_login_attempts']; + + $show_captcha = ($config['max_login_attempts'] && $row['user_login_attempts'] >= $config['max_login_attempts']) || + ($config['ip_login_limit_max'] && $attempts >= $config['ip_login_limit_max']); // If there are too much login attempts, we need to check for an confirm image // Every auth module is able to define what to do by itself... @@ -90,7 +143,7 @@ function login_db(&$username, &$password) { $captcha->reset(); } - + } // If the password convert flag is set we need to convert it @@ -165,6 +218,10 @@ function login_db(&$username, &$password) $row['user_password'] = $hash; } + $sql = 'DELETE FROM ' . LOGIN_ATTEMPT_TABLE . ' + WHERE user_id = ' . $row['user_id']; + $db->sql_query($sql); + if ($row['user_login_attempts'] != 0) { // Successful, reset login attempts (the user passed all stages) |