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auth_ldap.php 0000666 00000023437 15047261456 0007245 0 ustar 00 lang['LDAP_NO_LDAP_EXTENSION'];
}
$config['ldap_port'] = (int) $config['ldap_port'];
if ($config['ldap_port'])
{
$ldap = @ldap_connect($config['ldap_server'], $config['ldap_port']);
}
else
{
$ldap = @ldap_connect($config['ldap_server']);
}
if (!$ldap)
{
return $user->lang['LDAP_NO_SERVER_CONNECTION'];
}
@ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
@ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);
if ($config['ldap_user'] || $config['ldap_password'])
{
if (!@ldap_bind($ldap, htmlspecialchars_decode($config['ldap_user']), htmlspecialchars_decode($config['ldap_password'])))
{
return $user->lang['LDAP_INCORRECT_USER_PASSWORD'];
}
}
// ldap_connect only checks whether the specified server is valid, so the connection might still fail
$search = @ldap_search(
$ldap,
htmlspecialchars_decode($config['ldap_base_dn']),
ldap_user_filter($user->data['username']),
(empty($config['ldap_email'])) ?
array(htmlspecialchars_decode($config['ldap_uid'])) :
array(htmlspecialchars_decode($config['ldap_uid']), htmlspecialchars_decode($config['ldap_email'])),
0,
1
);
if ($search === false)
{
return $user->lang['LDAP_SEARCH_FAILED'];
}
$result = @ldap_get_entries($ldap, $search);
@ldap_close($ldap);
if (!is_array($result) || sizeof($result) < 2)
{
return sprintf($user->lang['LDAP_NO_IDENTITY'], $user->data['username']);
}
if (!empty($config['ldap_email']) && !isset($result[0][htmlspecialchars_decode($config['ldap_email'])]))
{
return $user->lang['LDAP_NO_EMAIL'];
}
return false;
}
/**
* Login function
*/
function login_ldap(&$username, &$password)
{
global $db, $config, $user;
// do not allow empty password
if (!$password)
{
return array(
'status' => LOGIN_ERROR_PASSWORD,
'error_msg' => 'NO_PASSWORD_SUPPLIED',
'user_row' => array('user_id' => ANONYMOUS),
);
}
if (!$username)
{
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
if (!@extension_loaded('ldap'))
{
return array(
'status' => LOGIN_ERROR_EXTERNAL_AUTH,
'error_msg' => 'LDAP_NO_LDAP_EXTENSION',
'user_row' => array('user_id' => ANONYMOUS),
);
}
$config['ldap_port'] = (int) $config['ldap_port'];
if ($config['ldap_port'])
{
$ldap = @ldap_connect($config['ldap_server'], $config['ldap_port']);
}
else
{
$ldap = @ldap_connect($config['ldap_server']);
}
if (!$ldap)
{
return array(
'status' => LOGIN_ERROR_EXTERNAL_AUTH,
'error_msg' => 'LDAP_NO_SERVER_CONNECTION',
'user_row' => array('user_id' => ANONYMOUS),
);
}
@ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
@ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);
if ($config['ldap_user'] || $config['ldap_password'])
{
if (!@ldap_bind($ldap, htmlspecialchars_decode($config['ldap_user']), htmlspecialchars_decode($config['ldap_password'])))
{
return array(
'status' => LOGIN_ERROR_EXTERNAL_AUTH,
'error_msg' => 'LDAP_NO_SERVER_CONNECTION',
'user_row' => array('user_id' => ANONYMOUS),
);
}
}
$search = @ldap_search(
$ldap,
htmlspecialchars_decode($config['ldap_base_dn']),
ldap_user_filter($username),
(empty($config['ldap_email'])) ?
array(htmlspecialchars_decode($config['ldap_uid'])) :
array(htmlspecialchars_decode($config['ldap_uid']), htmlspecialchars_decode($config['ldap_email'])),
0,
1
);
$ldap_result = @ldap_get_entries($ldap, $search);
if (is_array($ldap_result) && sizeof($ldap_result) > 1)
{
if (@ldap_bind($ldap, $ldap_result[0]['dn'], htmlspecialchars_decode($password)))
{
@ldap_close($ldap);
$sql ='SELECT user_id, username, user_password, user_passchg, user_email, user_type
FROM ' . USERS_TABLE . "
WHERE username_clean = '" . $db->sql_escape(utf8_clean_string($username)) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row)
{
unset($ldap_result);
// User inactive...
if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE)
{
return array(
'status' => LOGIN_ERROR_ACTIVE,
'error_msg' => 'ACTIVE_ERROR',
'user_row' => $row,
);
}
// Successful login... set user_login_attempts to zero...
return array(
'status' => LOGIN_SUCCESS,
'error_msg' => false,
'user_row' => $row,
);
}
else
{
// retrieve default group id
$sql = 'SELECT group_id
FROM ' . GROUPS_TABLE . "
WHERE group_name = '" . $db->sql_escape('REGISTERED') . "'
AND group_type = " . GROUP_SPECIAL;
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (!$row)
{
trigger_error('NO_GROUP');
}
// generate user account data
$ldap_user_row = array(
'username' => $username,
'user_password' => phpbb_hash($password),
'user_email' => (!empty($config['ldap_email'])) ? utf8_htmlspecialchars($ldap_result[0][htmlspecialchars_decode($config['ldap_email'])][0]) : '',
'group_id' => (int) $row['group_id'],
'user_type' => USER_NORMAL,
'user_ip' => $user->ip,
'user_new' => ($config['new_member_post_limit']) ? 1 : 0,
);
unset($ldap_result);
// this is the user's first login so create an empty profile
return array(
'status' => LOGIN_SUCCESS_CREATE_PROFILE,
'error_msg' => false,
'user_row' => $ldap_user_row,
);
}
}
else
{
unset($ldap_result);
@ldap_close($ldap);
// Give status about wrong password...
return array(
'status' => LOGIN_ERROR_PASSWORD,
'error_msg' => 'LOGIN_ERROR_PASSWORD',
'user_row' => array('user_id' => ANONYMOUS),
);
}
}
@ldap_close($ldap);
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
/**
* Generates a filter string for ldap_search to find a user
*
* @param $username string Username identifying the searched user
*
* @return string A filter string for ldap_search
*/
function ldap_user_filter($username)
{
global $config;
$filter = '(' . $config['ldap_uid'] . '=' . ldap_escape(htmlspecialchars_decode($username)) . ')';
if ($config['ldap_user_filter'])
{
$_filter = ($config['ldap_user_filter'][0] == '(' && substr($config['ldap_user_filter'], -1) == ')') ? $config['ldap_user_filter'] : "({$config['ldap_user_filter']})";
$filter = "(&{$filter}{$_filter})";
}
return $filter;
}
/**
* Escapes an LDAP AttributeValue
*/
function ldap_escape($string)
{
return str_replace(array('*', '\\', '(', ')'), array('\\*', '\\\\', '\\(', '\\)'), $string);
}
/**
* This function is used to output any required fields in the authentication
* admin panel. It also defines any required configuration table fields.
*/
function acp_ldap(&$new)
{
global $user;
$tpl = '
' . $user->lang['LDAP_SERVER_EXPLAIN'] . '
' . $user->lang['LDAP_PORT_EXPLAIN'] . '
' . $user->lang['LDAP_DN_EXPLAIN'] . '
' . $user->lang['LDAP_UID_EXPLAIN'] . '
' . $user->lang['LDAP_USER_FILTER_EXPLAIN'] . '
' . $user->lang['LDAP_EMAIL_EXPLAIN'] . '
' . $user->lang['LDAP_USER_EXPLAIN'] . '
' . $user->lang['LDAP_PASSWORD_EXPLAIN'] . '
';
// These are fields required in the config table
return array(
'tpl' => $tpl,
'config' => array('ldap_server', 'ldap_port', 'ldap_base_dn', 'ldap_uid', 'ldap_user_filter', 'ldap_email', 'ldap_user', 'ldap_password')
);
}
?> auth_apache.php 0000666 00000013267 15047261456 0007546 0 ustar 00 data['username'] !== $_SERVER['PHP_AUTH_USER'])
{
return $user->lang['APACHE_SETUP_BEFORE_USE'];
}
return false;
}
/**
* Login function
*/
function login_apache(&$username, &$password)
{
global $db;
// do not allow empty password
if (!$password)
{
return array(
'status' => LOGIN_ERROR_PASSWORD,
'error_msg' => 'NO_PASSWORD_SUPPLIED',
'user_row' => array('user_id' => ANONYMOUS),
);
}
if (!$username)
{
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
if (!isset($_SERVER['PHP_AUTH_USER']))
{
return array(
'status' => LOGIN_ERROR_EXTERNAL_AUTH,
'error_msg' => 'LOGIN_ERROR_EXTERNAL_AUTH_APACHE',
'user_row' => array('user_id' => ANONYMOUS),
);
}
$php_auth_user = $_SERVER['PHP_AUTH_USER'];
$php_auth_pw = $_SERVER['PHP_AUTH_PW'];
if (!empty($php_auth_user) && !empty($php_auth_pw))
{
if ($php_auth_user !== $username)
{
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
$sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_type
FROM ' . USERS_TABLE . "
WHERE username = '" . $db->sql_escape($php_auth_user) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row)
{
// User inactive...
if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE)
{
return array(
'status' => LOGIN_ERROR_ACTIVE,
'error_msg' => 'ACTIVE_ERROR',
'user_row' => $row,
);
}
// Successful login...
return array(
'status' => LOGIN_SUCCESS,
'error_msg' => false,
'user_row' => $row,
);
}
// this is the user's first login so create an empty profile
return array(
'status' => LOGIN_SUCCESS_CREATE_PROFILE,
'error_msg' => false,
'user_row' => user_row_apache($php_auth_user, $php_auth_pw),
);
}
// Not logged into apache
return array(
'status' => LOGIN_ERROR_EXTERNAL_AUTH,
'error_msg' => 'LOGIN_ERROR_EXTERNAL_AUTH_APACHE',
'user_row' => array('user_id' => ANONYMOUS),
);
}
/**
* Autologin function
*
* @return array containing the user row or empty if no auto login should take place
*/
function autologin_apache()
{
global $db;
if (!isset($_SERVER['PHP_AUTH_USER']))
{
return array();
}
$php_auth_user = $_SERVER['PHP_AUTH_USER'];
$php_auth_pw = $_SERVER['PHP_AUTH_PW'];
if (!empty($php_auth_user) && !empty($php_auth_pw))
{
set_var($php_auth_user, $php_auth_user, 'string', true);
set_var($php_auth_pw, $php_auth_pw, 'string', true);
$sql = 'SELECT *
FROM ' . USERS_TABLE . "
WHERE username = '" . $db->sql_escape($php_auth_user) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row)
{
return ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE) ? array() : $row;
}
if (!function_exists('user_add'))
{
global $phpbb_root_path, $phpEx;
include($phpbb_root_path . 'includes/functions_user.' . $phpEx);
}
// create the user if he does not exist yet
user_add(user_row_apache($php_auth_user, $php_auth_pw));
$sql = 'SELECT *
FROM ' . USERS_TABLE . "
WHERE username_clean = '" . $db->sql_escape(utf8_clean_string($php_auth_user)) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row)
{
return $row;
}
}
return array();
}
/**
* This function generates an array which can be passed to the user_add function in order to create a user
*/
function user_row_apache($username, $password)
{
global $db, $config, $user;
// first retrieve default group id
$sql = 'SELECT group_id
FROM ' . GROUPS_TABLE . "
WHERE group_name = '" . $db->sql_escape('REGISTERED') . "'
AND group_type = " . GROUP_SPECIAL;
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (!$row)
{
trigger_error('NO_GROUP');
}
// generate user account data
return array(
'username' => $username,
'user_password' => phpbb_hash($password),
'user_email' => '',
'group_id' => (int) $row['group_id'],
'user_type' => USER_NORMAL,
'user_ip' => $user->ip,
'user_new' => ($config['new_member_post_limit']) ? 1 : 0,
);
}
/**
* The session validation function checks whether the user is still logged in
*
* @return boolean true if the given user is authenticated or false if the session should be closed
*/
function validate_session_apache(&$user)
{
// Check if PHP_AUTH_USER is set and handle this case
if (isset($_SERVER['PHP_AUTH_USER']))
{
$php_auth_user = '';
set_var($php_auth_user, $_SERVER['PHP_AUTH_USER'], 'string', true);
return ($php_auth_user === $user['username']) ? true : false;
}
// PHP_AUTH_USER is not set. A valid session is now determined by the user type (anonymous/bot or not)
if ($user['user_type'] == USER_IGNORE)
{
return true;
}
return false;
}
?> index.htm 0000666 00000000251 15047261456 0006401 0 ustar 00
auth_db.php 0000666 00000020055 15047261456 0006703 0 ustar 00 status constant
* 'error_msg' => string
* 'user_row' => array
* )
*/
function login_db($username, $password, $ip = '', $browser = '', $forwarded_for = '')
{
global $db, $config;
// do not allow empty password
if (!$password)
{
return array(
'status' => LOGIN_ERROR_PASSWORD,
'error_msg' => 'NO_PASSWORD_SUPPLIED',
'user_row' => array('user_id' => ANONYMOUS),
);
}
if (!$username)
{
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
$username_clean = utf8_clean_string($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 = '" . $db->sql_escape($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(*) AS attempts
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('attempts');
$db->sql_freeresult($result);
$attempt_data = array(
'attempt_ip' => $ip,
'attempt_browser' => trim(substr($browser, 0, 149)),
'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)
{
if ($config['ip_login_limit_max'] && $attempts >= $config['ip_login_limit_max'])
{
return array(
'status' => LOGIN_ERROR_ATTEMPTS,
'error_msg' => 'LOGIN_ERROR_ATTEMPTS',
'user_row' => array('user_id' => ANONYMOUS),
);
}
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
$show_captcha = ($config['max_login_attempts'] && $row['user_login_attempts'] >= $config['max_login_attempts']) ||
($config['ip_login_limit_max'] && $attempts >= $config['ip_login_limit_max']);
// If there are too much login attempts, we need to check for an confirm image
// Every auth module is able to define what to do by itself...
if ($show_captcha)
{
// Visual Confirmation handling
if (!class_exists('phpbb_captcha_factory'))
{
global $phpbb_root_path, $phpEx;
include ($phpbb_root_path . 'includes/captcha/captcha_factory.' . $phpEx);
}
$captcha =& phpbb_captcha_factory::get_instance($config['captcha_plugin']);
$captcha->init(CONFIRM_LOGIN);
$vc_response = $captcha->validate($row);
if ($vc_response)
{
return array(
'status' => LOGIN_ERROR_ATTEMPTS,
'error_msg' => 'LOGIN_ERROR_ATTEMPTS',
'user_row' => $row,
);
}
else
{
$captcha->reset();
}
}
// If the password convert flag is set we need to convert it
if ($row['user_pass_convert'])
{
// in phpBB2 passwords were used exactly as they were sent, with addslashes applied
$password_old_format = isset($_REQUEST['password']) ? (string) $_REQUEST['password'] : '';
$password_old_format = (!STRIP) ? addslashes($password_old_format) : $password_old_format;
$password_new_format = '';
set_var($password_new_format, stripslashes($password_old_format), 'string', true);
if ($password == $password_new_format)
{
if (!function_exists('utf8_to_cp1252'))
{
global $phpbb_root_path, $phpEx;
include($phpbb_root_path . 'includes/utf/data/recode_basic.' . $phpEx);
}
// cp1252 is phpBB2's default encoding, characters outside ASCII range might work when converted into that encoding
// plain md5 support left in for conversions from other systems.
if ((strlen($row['user_password']) == 34 && (phpbb_check_hash(md5($password_old_format), $row['user_password']) || phpbb_check_hash(md5(utf8_to_cp1252($password_old_format)), $row['user_password'])))
|| (strlen($row['user_password']) == 32 && (md5($password_old_format) == $row['user_password'] || md5(utf8_to_cp1252($password_old_format)) == $row['user_password'])))
{
$hash = phpbb_hash($password_new_format);
// Update the password in the users table to the new format and remove user_pass_convert flag
$sql = 'UPDATE ' . USERS_TABLE . '
SET user_password = \'' . $db->sql_escape($hash) . '\',
user_pass_convert = 0
WHERE user_id = ' . $row['user_id'];
$db->sql_query($sql);
$row['user_pass_convert'] = 0;
$row['user_password'] = $hash;
}
else
{
// Although we weren't able to convert this password we have to
// increase login attempt count to make sure this cannot be exploited
$sql = 'UPDATE ' . USERS_TABLE . '
SET user_login_attempts = user_login_attempts + 1
WHERE user_id = ' . (int) $row['user_id'] . '
AND user_login_attempts < ' . LOGIN_ATTEMPTS_MAX;
$db->sql_query($sql);
return array(
'status' => LOGIN_ERROR_PASSWORD_CONVERT,
'error_msg' => 'LOGIN_ERROR_PASSWORD_CONVERT',
'user_row' => $row,
);
}
}
}
// Check password ...
if (!$row['user_pass_convert'] && phpbb_check_hash($password, $row['user_password']))
{
// Check for old password hash...
if (strlen($row['user_password']) == 32)
{
$hash = phpbb_hash($password);
// Update the password in the users table to the new format
$sql = 'UPDATE ' . USERS_TABLE . "
SET user_password = '" . $db->sql_escape($hash) . "',
user_pass_convert = 0
WHERE user_id = {$row['user_id']}";
$db->sql_query($sql);
$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)
$sql = 'UPDATE ' . USERS_TABLE . '
SET user_login_attempts = 0
WHERE user_id = ' . $row['user_id'];
$db->sql_query($sql);
}
// User inactive...
if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE)
{
return array(
'status' => LOGIN_ERROR_ACTIVE,
'error_msg' => 'ACTIVE_ERROR',
'user_row' => $row,
);
}
// Successful login... set user_login_attempts to zero...
return array(
'status' => LOGIN_SUCCESS,
'error_msg' => false,
'user_row' => $row,
);
}
// Password incorrect - increase login attempts
$sql = 'UPDATE ' . USERS_TABLE . '
SET user_login_attempts = user_login_attempts + 1
WHERE user_id = ' . (int) $row['user_id'] . '
AND user_login_attempts < ' . LOGIN_ATTEMPTS_MAX;
$db->sql_query($sql);
// Give status about wrong password...
return array(
'status' => ($show_captcha) ? LOGIN_ERROR_ATTEMPTS : LOGIN_ERROR_PASSWORD,
'error_msg' => ($show_captcha) ? 'LOGIN_ERROR_ATTEMPTS' : 'LOGIN_ERROR_PASSWORD',
'user_row' => $row,
);
}
?>