0,0 → 1,265 |
<?php |
/*************************************************************************** |
* login.php |
* ------------------- |
* begin : Saturday, Feb 13, 2001 |
* copyright : (C) 2001 The phpBB Group |
* email : support@phpbb.com |
* |
* $Id: login.php,v 1.47.2.24 2006/04/22 20:28:42 grahamje Exp $ |
* |
* |
***************************************************************************/ |
|
/*************************************************************************** |
* |
* This program is free software; you can redistribute it and/or modify |
* it under the terms of the GNU General Public License as published by |
* the Free Software Foundation; either version 2 of the License, or |
* (at your option) any later version. |
* |
***************************************************************************/ |
|
// |
// Allow people to reach login page if |
// board is shut down |
// |
define("IN_LOGIN", true); |
|
define('IN_PHPBB', true); |
$phpbb_root_path = './'; |
include($phpbb_root_path . 'extension.inc'); |
include($phpbb_root_path . 'common.'.$phpEx); |
|
// |
// Set page ID for session management |
// |
$userdata = session_pagestart($user_ip, PAGE_LOGIN); |
init_userprefs($userdata); |
// |
// End session management |
// |
|
// session id check |
if (!empty($HTTP_POST_VARS['sid']) || !empty($HTTP_GET_VARS['sid'])) |
{ |
$sid = (!empty($HTTP_POST_VARS['sid'])) ? $HTTP_POST_VARS['sid'] : $HTTP_GET_VARS['sid']; |
} |
else |
{ |
$sid = ''; |
} |
|
if( isset($HTTP_POST_VARS['login']) || isset($HTTP_GET_VARS['login']) || isset($HTTP_POST_VARS['logout']) || isset($HTTP_GET_VARS['logout']) ) |
{ |
if( ( isset($HTTP_POST_VARS['login']) || isset($HTTP_GET_VARS['login']) ) && (!$userdata['session_logged_in'] || isset($HTTP_POST_VARS['admin'])) ) |
{ |
$username = isset($HTTP_POST_VARS['username']) ? phpbb_clean_username($HTTP_POST_VARS['username']) : ''; |
$password = isset($HTTP_POST_VARS['password']) ? $HTTP_POST_VARS['password'] : ''; |
|
$sql = "SELECT user_id, username, user_password, user_active, user_level, user_login_tries, user_last_login_try |
FROM " . USERS_TABLE . " |
WHERE username = '" . str_replace("\\'", "''", $username) . "'"; |
if ( !($result = $db->sql_query($sql)) ) |
{ |
message_die(GENERAL_ERROR, 'Error in obtaining userdata', '', __LINE__, __FILE__, $sql); |
} |
|
if( $row = $db->sql_fetchrow($result) ) |
{ |
if( $row['user_level'] != ADMIN && $board_config['board_disable'] ) |
{ |
redirect(append_sid("index.$phpEx", true)); |
} |
else |
{ |
// If the last login is more than x minutes ago, then reset the login tries/time |
if ($row['user_last_login_try'] && $board_config['login_reset_time'] && $row['user_last_login_try'] < (time() - ($board_config['login_reset_time'] * 60))) |
{ |
$db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_login_tries = 0, user_last_login_try = 0 WHERE user_id = ' . $row['user_id']); |
$row['user_last_login_try'] = $row['user_login_tries'] = 0; |
} |
|
// Check to see if user is allowed to login again... if his tries are exceeded |
if ($row['user_last_login_try'] && $board_config['login_reset_time'] && $board_config['max_login_attempts'] && |
$row['user_last_login_try'] >= (time() - ($board_config['login_reset_time'] * 60)) && $row['user_login_tries'] >= $board_config['max_login_attempts'] && $userdata['user_level'] != ADMIN) |
{ |
message_die(GENERAL_MESSAGE, sprintf($lang['Login_attempts_exceeded'], $board_config['max_login_attempts'], $board_config['login_reset_time'])); |
} |
|
if( md5($password) == $row['user_password'] && $row['user_active'] ) |
{ |
$autologin = ( isset($HTTP_POST_VARS['autologin']) ) ? TRUE : 0; |
|
$admin = (isset($HTTP_POST_VARS['admin'])) ? 1 : 0; |
$session_id = session_begin($row['user_id'], $user_ip, PAGE_INDEX, FALSE, $autologin, $admin); |
|
// Reset login tries |
$db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_login_tries = 0, user_last_login_try = 0 WHERE user_id = ' . $row['user_id']); |
|
if( $session_id ) |
{ |
$url = ( !empty($HTTP_POST_VARS['redirect']) ) ? str_replace('&', '&', htmlspecialchars($HTTP_POST_VARS['redirect'])) : "index.$phpEx"; |
redirect(append_sid($url, true)); |
} |
else |
{ |
message_die(CRITICAL_ERROR, "Couldn't start session : login", "", __LINE__, __FILE__); |
} |
} |
// Only store a failed login attempt for an active user - inactive users can't login even with a correct password |
elseif( $row['user_active'] ) |
{ |
// Save login tries and last login |
if ($row['user_id'] != ANONYMOUS) |
{ |
$sql = 'UPDATE ' . USERS_TABLE . ' |
SET user_login_tries = user_login_tries + 1, user_last_login_try = ' . time() . ' |
WHERE user_id = ' . $row['user_id']; |
$db->sql_query($sql); |
} |
} |
|
$redirect = ( !empty($HTTP_POST_VARS['redirect']) ) ? str_replace('&', '&', htmlspecialchars($HTTP_POST_VARS['redirect'])) : ''; |
$redirect = str_replace('?', '&', $redirect); |
|
if (strstr(urldecode($redirect), "\n") || strstr(urldecode($redirect), "\r")) |
{ |
message_die(GENERAL_ERROR, 'Tried to redirect to potentially insecure url.'); |
} |
|
$template->assign_vars(array( |
'META' => "<meta http-equiv=\"refresh\" content=\"3;url=login.$phpEx?redirect=$redirect\">") |
); |
|
$message = $lang['Error_login'] . '<br /><br />' . sprintf($lang['Click_return_login'], "<a href=\"login.$phpEx?redirect=$redirect\">", '</a>') . '<br /><br />' . sprintf($lang['Click_return_index'], '<a href="' . append_sid("index.$phpEx") . '">', '</a>'); |
|
message_die(GENERAL_MESSAGE, $message); |
} |
} |
else |
{ |
$redirect = ( !empty($HTTP_POST_VARS['redirect']) ) ? str_replace('&', '&', htmlspecialchars($HTTP_POST_VARS['redirect'])) : ""; |
$redirect = str_replace("?", "&", $redirect); |
|
if (strstr(urldecode($redirect), "\n") || strstr(urldecode($redirect), "\r")) |
{ |
message_die(GENERAL_ERROR, 'Tried to redirect to potentially insecure url.'); |
} |
|
$template->assign_vars(array( |
'META' => "<meta http-equiv=\"refresh\" content=\"3;url=login.$phpEx?redirect=$redirect\">") |
); |
|
$message = $lang['Error_login'] . '<br /><br />' . sprintf($lang['Click_return_login'], "<a href=\"login.$phpEx?redirect=$redirect\">", '</a>') . '<br /><br />' . sprintf($lang['Click_return_index'], '<a href="' . append_sid("index.$phpEx") . '">', '</a>'); |
|
message_die(GENERAL_MESSAGE, $message); |
} |
} |
else if( ( isset($HTTP_GET_VARS['logout']) || isset($HTTP_POST_VARS['logout']) ) && $userdata['session_logged_in'] ) |
{ |
// session id check |
if ($sid == '' || $sid != $userdata['session_id']) |
{ |
message_die(GENERAL_ERROR, 'Invalid_session'); |
} |
|
if( $userdata['session_logged_in'] ) |
{ |
session_end($userdata['session_id'], $userdata['user_id']); |
} |
|
if (!empty($HTTP_POST_VARS['redirect']) || !empty($HTTP_GET_VARS['redirect'])) |
{ |
$url = (!empty($HTTP_POST_VARS['redirect'])) ? htmlspecialchars($HTTP_POST_VARS['redirect']) : htmlspecialchars($HTTP_GET_VARS['redirect']); |
$url = str_replace('&', '&', $url); |
redirect(append_sid($url, true)); |
} |
else |
{ |
redirect(append_sid("index.$phpEx", true)); |
} |
} |
else |
{ |
$url = ( !empty($HTTP_POST_VARS['redirect']) ) ? str_replace('&', '&', htmlspecialchars($HTTP_POST_VARS['redirect'])) : "index.$phpEx"; |
redirect(append_sid($url, true)); |
} |
} |
else |
{ |
// |
// Do a full login page dohickey if |
// user not already logged in |
// |
if( !$userdata['session_logged_in'] || (isset($HTTP_GET_VARS['admin']) && $userdata['session_logged_in'] && $userdata['user_level'] == ADMIN)) |
{ |
$page_title = $lang['Login']; |
include($phpbb_root_path . 'includes/page_header.'.$phpEx); |
|
$template->set_filenames(array( |
'body' => 'login_body.tpl') |
); |
|
$forward_page = ''; |
|
if( isset($HTTP_POST_VARS['redirect']) || isset($HTTP_GET_VARS['redirect']) ) |
{ |
$forward_to = $HTTP_SERVER_VARS['QUERY_STRING']; |
|
if( preg_match("/^redirect=([a-z0-9\.#\/\?&=\+\-_]+)/si", $forward_to, $forward_matches) ) |
{ |
$forward_to = ( !empty($forward_matches[3]) ) ? $forward_matches[3] : $forward_matches[1]; |
$forward_match = explode('&', $forward_to); |
|
if(count($forward_match) > 1) |
{ |
for($i = 1; $i < count($forward_match); $i++) |
{ |
if( !ereg("sid=", $forward_match[$i]) ) |
{ |
if( $forward_page != '' ) |
{ |
$forward_page .= '&'; |
} |
$forward_page .= $forward_match[$i]; |
} |
} |
$forward_page = $forward_match[0] . '?' . $forward_page; |
} |
else |
{ |
$forward_page = $forward_match[0]; |
} |
} |
} |
|
$username = ( $userdata['user_id'] != ANONYMOUS ) ? $userdata['username'] : ''; |
|
$s_hidden_fields = '<input type="hidden" name="redirect" value="' . $forward_page . '" />'; |
$s_hidden_fields .= (isset($HTTP_GET_VARS['admin'])) ? '<input type="hidden" name="admin" value="1" />' : ''; |
|
make_jumpbox('viewforum.'.$phpEx); |
$template->assign_vars(array( |
'USERNAME' => $username, |
|
'L_ENTER_PASSWORD' => (isset($HTTP_GET_VARS['admin'])) ? $lang['Admin_reauthenticate'] : $lang['Enter_password'], |
'L_SEND_PASSWORD' => $lang['Forgotten_password'], |
|
'U_SEND_PASSWORD' => append_sid("profile.$phpEx?mode=sendpassword"), |
|
'S_HIDDEN_FIELDS' => $s_hidden_fields) |
); |
|
$template->pparse('body'); |
|
include($phpbb_root_path . 'includes/page_tail.'.$phpEx); |
} |
else |
{ |
redirect(append_sid("index.$phpEx", true)); |
} |
|
} |
|
?> |