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phpbb2plus
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login.php
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PHP Script
|
2004-11-18
|
14KB
|
358 lines
<?php
/***************************************************************************
* login.php
* -------------------
* begin : Saturday, Feb 13, 2001
* copyright : (C) 2001 The phpBB Group
* email : support@phpbb.com
*
* $Id: login.php,v 1.47.2.15 2004/03/18 18:15:51 acydburn 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'] )
{
$username = isset($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_badlogin, user_blocktime, user_email, user_lang, user_timezone,user_passwd_change
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 && $board_config['board_disable'] )
{
redirect(append_sid("portal.$phpEx", true));
}
else
{
// Start add - Protect user account MOD
if ($row['user_blocktime']<time() )
{
// End add - Protect user account MOD
if( md5($password) == $row['user_password'] && $row['user_active'] )
{
$autologin = ( isset($HTTP_POST_VARS['autologin']) ) ? TRUE : 0;
$session_id = session_begin($row['user_id'], $user_ip, PAGE_INDEX, FALSE, $autologin);
if( $session_id )
{
// Start add - Protect user account MOD
$sql = "UPDATE " . USERS_TABLE . " SET user_badlogin='0'
WHERE username = '" . str_replace("\'", "''", $username) . "'";
if ( !($result = $db->sql_query($sql)) )
{
message_die(GENERAL_ERROR, 'Error updating correct login data', '', __LINE__, __FILE__, $sql);
}
// End add - Protect user account MOD
$url = ( !empty($HTTP_POST_VARS['redirect']) ) ? str_replace('&', '&', htmlspecialchars($HTTP_POST_VARS['redirect'])) : "portal.$phpEx";
// Start add - Protect user account MOD
if ($session_id['user_id']!=ANONYMOUS)
{
include($phpbb_root_path . "includes/functions_validate.$phpEx");
$pass_result = validate_complex_password ($username, $password);
if ( $session_id['user_passwd_change']==0 || $pass_result['error']== true)
{
//force a change of password, do not allow a secound login
$sql = "UPDATE " . USERS_TABLE . " SET user_passwd_change='-9999'
WHERE user_id = '" . $session_id['user_id'] . "'";
if ( !($result = $db->sql_query($sql)) )
{
message_die(GENERAL_ERROR, 'Error updating correct login data2', '', __LINE__, __FILE__, $sql);
}
$url .= ( ereg( "\?" , $url) ) ? '&ch_passwd=1' : '?ch_passwd=1';
} else
if ( intval((time()-$session_id['user_passwd_change']) / 86400) >= $board_config['max_password_age'])
{
session_end($session_id['session_id'], $session_id['user_id']);
$message = $lang['Passwd_have_expired'] . '<br /><br /><a href="'.append_sid("profile.$phpEx?mode=sendpassword").'">'.$lang['Send_new_passwd'].'</a><br /><br />' . sprintf($lang['Click_return_portal'], '<a href="' . append_sid("portal.$phpEx") . '">', '</a>');
message_die(GENERAL_MESSAGE, $message);
} else
if ( intval((time()-$session_id['user_passwd_change']) / 86400)+(($board_config['max_password_age']<14) ? 1 : 14) >= $board_config['max_password_age'] )
{
$url .= ( ereg( "\?" , $url) ) ? '&ch_passwd=1' : '?ch_passwd=1';
}
}
// End add - Protect user account MOD
redirect(append_sid($url, true));
}
else
{
message_die(CRITICAL_ERROR, "Couldn't start session : login", "", __LINE__, __FILE__);
}
}
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=$redirect\">")
);
// Start add - Protect user account MOD
if ($row['user_active'] )
{
//count bad login
// block the user for X min
if (($row['user_badlogin']+1) % $board_config['max_login_error'])
{
$sql = "UPDATE " . USERS_TABLE . " SET user_badlogin=user_badlogin+1
WHERE username = '" . str_replace("\'", "''", $username) . "'";
if ( !($result = $db->sql_query($sql)) )
{
message_die(GENERAL_ERROR, 'Error updating bad login data'.$user_ip, '', __LINE__, __FILE__, $sql);
}
} else
{
$blocktime = ", user_block_by='$user_ip', user_blocktime='" . (time()+($board_config['block_time']*60)) . "'";
$sql = "UPDATE " . USERS_TABLE . " SET user_badlogin=user_badlogin+1 $blocktime
WHERE username = '" . str_replace("\'", "''", $username) . "'";
if ( !($result = $db->sql_query($sql)) )
{
message_die(GENERAL_ERROR, 'Error updating bad login data'.$user_ip, '', __LINE__, __FILE__, $sql);
}
if ($row['user_email'] && $row['user_blocktime']<(time()-3600))
{
include($phpbb_root_path . 'includes/emailer.'.$phpEx);
$server_name = trim($board_config['server_name']);
$emailer = new emailer($board_config['smtp_delivery']);
$emailer->email_address($row['user_email']);
$email_headers = "To: \"".$row['username']."\" <".$row['user_email']. ">\r\n";
$email_headers .= "From: \"".$board_config['sitename']."\" <".$board_config['board_email'].">\r\n";
$email_headers .= "X-AntiAbuse: Board servername - " . $server_name . "\r\n";
$email_headers .= "X-AntiAbuse: User IP - " . decode_ip($user_ip) . "\r\n";
$emailer->use_template('bad_login', $row['user_lang']);
$emailer->extra_headers($email_headers);
$emailer->assign_vars(array(
'USER' => '"'.$row['username'].'"',
'BLOCK_TIME' => $board_config['block_time'],
'BAD_LOGINS' => $row['user_badlogin']+1,
'BLOCK_UNTIL' => create_date ($lang['Time_format'],time()+($board_config['block_time']*60),$row['user_timezone']),
'SITENAME' => $board_config['sitename'],
'BOARD_EMAIL' => $board_config['board_email']));
$emailer->send();
$emailer->reset();
}
}
}
// End add - Protect user account MOD
$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);
}
// Start add - Protect user account MOD
} else
{
$message = (($lang['Error_login_tomutch'])?$lang['Error_login_tomutch']:$lang['Error_login']) . '<br /><br />' . sprintf($lang['Click_return_login'], '<a href="' . append_sid("login.$phpEx?redirect=$redirect") . '">', '</a>') . '<br /><br />' . sprintf($lang['Click_return_index'], '<a href="' . append_sid("index.$phpEx") . '">', '</a>');
message_die(GENERAL_MESSAGE, $message);
}
// End add - Protect user account MOD
}
}
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'] )
{
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("portal.$phpEx", true));
}
}
else
{
$url = ( !empty($HTTP_POST_VARS['redirect']) ) ? str_replace('&', '&', htmlspecialchars($HTTP_POST_VARS['redirect'])) : "portal.$phpEx";
// Start add - Protect user account MOD
if ($session_id['user_id']!=ANONYMOUS)
{
include($phpbb_root_path . "includes/functions_validate.$phpEx");
$pass_result = validate_complex_password ($username, $password);
if ( $session_id['user_passwd_change']==0 || $pass_result['error']== true)
{
//force a change of password, do not allow a secound login
$sql = "UPDATE " . USERS_TABLE . " SET user_passwd_change='-9999'
WHERE user_id = '" . $session_id['user_id'] . "'";
if ( !($result = $db->sql_query($sql)) )
{
message_die(GENERAL_ERROR, 'Error updating correct login data2', '', __LINE__, __FILE__, $sql);
}
$url .= ( ereg( "\?" , $url) ) ? '&ch_passwd=1' : '?ch_passwd=1';
} else
if ( intval((time()-$session_id['user_passwd_change']) / 86400) >= $board_config['max_password_age'])
{
session_end($session_id['session_id'], $session_id['user_id']);
$message = $lang['Passwd_have_expired'] . '<br /><br /><a href="'.append_sid("profile.$phpEx?mode=sendpassword").'">'.$lang['Send_new_passwd'].'</a><br /><br />' . sprintf($lang['Click_return_portal'], '<a href="' . append_sid("portal.$phpEx") . '">', '</a>');
message_die(GENERAL_MESSAGE, $message);
} else
if ( intval((time()-$session_id['user_passwd_change']) / 86400)+(($board_config['max_password_age']<14) ? 1 : 14) >= $board_config['max_password_age'] )
{
$url .= ( ereg( "\?" , $url) ) ? '&ch_passwd=1' : '?ch_passwd=1';
}
}
// End add - Protect user account MOD
redirect(append_sid($url, true));
}
}
else
{
//
// Do a full login page dohickey if
// user not already logged in
//
if( !$userdata['session_logged_in'] )
{
$page_title = $lang['Login'];
include($phpbb_root_path . 'includes/page_header.'.$phpEx);
$template->set_filenames(array(
'body' => 'login_body.tpl')
);
if( isset($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)
{
$forward_page = '';
for($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];
}
}
}
else
{
$forward_page = '';
}
$username = ( $userdata['user_id'] != ANONYMOUS ) ? $userdata['username'] : '';
$s_hidden_fields = '<input type="hidden" name="redirect" value="' . $forward_page . '" />';
make_jumpbox('viewforum.'.$phpEx, $forum_id);
$template->assign_vars(array(
'USERNAME' => $username,
'L_ENTER_PASSWORD' => $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.'.$phpEx);
}
else
{
redirect(append_sid("portal.$phpEx", true));
}
}
?>