public static function checkAuthentication($sessionid)
{
try {
if ($sessionid !== null) {
self::$data = API::User()->checkAuthentication($sessionid);
}
if ($sessionid === null || empty(self::$data)) {
self::setDefault();
self::$data = API::User()->login(array('user' => ZBX_GUEST_USER, 'password' => '', 'userData' => true));
if (empty(self::$data)) {
clear_messages(1);
throw new Exception();
}
$sessionid = self::$data['sessionid'];
}
if (self::$data['gui_access'] == GROUP_GUI_ACCESS_DISABLED) {
error(_('GUI access disabled.'));
throw new Exception();
}
zbx_setcookie('zbx_sessionid', $sessionid, self::$data['autologin'] ? time() + SEC_PER_DAY * 31 : 0);
return true;
} catch (Exception $e) {
self::setDefault();
return false;
}
}
function zbx_session_start($userid, $name, $password)
{
$sessionid = md5(time() . $password . $name . rand(0, 10000000));
zbx_setcookie('zbx_sessionid', $sessionid);
DBexecute('INSERT INTO sessions (sessionid,userid,lastaccess,status) VALUES (' . zbx_dbstr($sessionid) . ',' . $userid . ',' . time() . ',' . ZBX_SESSION_ACTIVE . ')');
return $sessionid;
}
function zbx_flush_post_cookies($unset = false)
{
global $ZBX_PAGE_COOKIES;
if (isset($ZBX_PAGE_COOKIES)) {
foreach ($ZBX_PAGE_COOKIES as $cookie) {
if ($unset) {
zbx_unsetcookie($cookie[0]);
} else {
zbx_setcookie($cookie[0], $cookie[1], $cookie[2]);
}
}
unset($ZBX_PAGE_COOKIES);
}
}
/**
* Shorthand method for setting current session ID in cookies.
*
* @param string $sessionId Session ID string
*/
public static function setSessionCookie($sessionId)
{
$autoLogin = self::isGuest() ? false : (bool) self::$data['autologin'];
zbx_setcookie('zbx_sessionid', $sessionId, $autoLogin ? strtotime('+1 month') : 0);
}
function zbx_unsetcookie($name)
{
zbx_setcookie($name, null, -99999);
unset($_COOKIE[$name]);
}
/**
* Check if session ID is authenticated
*
* {@source}
* @access public
* @static
* @since 1.8
* @version 1
*
* @param _array $session
* @param array $session['sessionid'] Session ID
* @return boolean
*/
public static function checkAuthentication($user = null)
{
global $USER_DETAILS;
global $ZBX_LOCALNODEID;
global $ZBX_NODES;
$sessionid = is_null($user) ? null : $user['sessionid'];
$USER_DETAILS = NULL;
$login = FALSE;
if (!is_null($sessionid)) {
$sql = 'SELECT u.*,s.* ' . ' FROM sessions s,users u' . ' WHERE s.sessionid=' . zbx_dbstr($sessionid) . ' AND s.status=' . ZBX_SESSION_ACTIVE . ' AND s.userid=u.userid' . ' AND ((s.lastaccess+u.autologout>' . time() . ') OR (u.autologout=0))' . ' AND ' . DBin_node('u.userid', $ZBX_LOCALNODEID);
$login = $USER_DETAILS = DBfetch(DBselect($sql));
if (!$USER_DETAILS) {
$incorrect_session = true;
} else {
if ($login['attempt_failed']) {
DBexecute('UPDATE users SET attempt_failed=0 WHERE userid=' . $login['userid']);
}
}
}
if (!$USER_DETAILS && !isset($_SERVER['PHP_AUTH_USER'])) {
$sql = 'SELECT u.* ' . ' FROM users u ' . ' WHERE u.alias=' . zbx_dbstr(ZBX_GUEST_USER) . ' AND ' . DBin_node('u.userid', $ZBX_LOCALNODEID);
$login = $USER_DETAILS = DBfetch(DBselect($sql));
if (!$USER_DETAILS) {
$missed_user_guest = true;
} else {
$sessionid = zbx_session_start($USER_DETAILS['userid'], ZBX_GUEST_USER, '');
}
}
// Perm to login, perm to system
if ($login) {
$login = check_perm2login($USER_DETAILS['userid']) && check_perm2system($USER_DETAILS['userid']);
}
if (!$login) {
$USER_DETAILS = NULL;
}
if ($login && $sessionid && !isset($incorrect_session)) {
zbx_setcookie('zbx_sessionid', $sessionid, $USER_DETAILS['autologin'] ? time() + 86400 * 31 : 0);
//1 month
DBexecute('UPDATE sessions SET lastaccess=' . time() . ' WHERE sessionid=' . zbx_dbstr($sessionid));
if ($USER_DETAILS['autologout'] > 0) {
DBexecute('DELETE FROM sessions WHERE userid=' . $USER_DETAILS['userid'] . ' AND status=' . ZBX_SESSION_ACTIVE . ' AND lastaccess<' . (time() - $USER_DETAILS['autologout']));
}
} else {
self::logout($sessionid);
}
if ($USER_DETAILS) {
if (isset($ZBX_NODES[$ZBX_LOCALNODEID])) {
$USER_DETAILS['node'] = $ZBX_NODES[$ZBX_LOCALNODEID];
} else {
$USER_DETAILS['node'] = array();
$USER_DETAILS['node']['name'] = '- unknown -';
$USER_DETAILS['node']['nodeid'] = $ZBX_LOCALNODEID;
}
$USER_DETAILS['debug_mode'] = get_user_debug_mode($USER_DETAILS['userid']);
} else {
$USER_DETAILS = array('alias' => ZBX_GUEST_USER, 'userid' => 0, 'lang' => 'en_gb', 'type' => '0', 'node' => array('name' => '- unknown -', 'nodeid' => 0));
}
$userip = isset($_SERVER['HTTP_X_FORWARDED_FOR']) && !empty($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR'];
$USER_DETAILS['userip'] = $userip;
if (!$login || isset($incorrect_session) || isset($missed_user_guest)) {
if (isset($incorrect_session)) {
$message = 'Session terminated, re-login, please';
} else {
if (isset($missed_user_guest)) {
$row = DBfetch(DBselect('SELECT count(u.userid) as user_cnt FROM users u'));
if (!$row || $row['user_cnt'] == 0) {
$message = 'Table users is empty. Possible database corruption.';
// S_CUSER_ERROR_TABLE_USERS_EMPTY
}
}
}
if (!isset($_REQUEST['message']) && isset($message)) {
$_REQUEST['message'] = $message;
}
return false;
}
return true;
}
function check_authorisation()
{
global $DB;
global $page;
global $PHP_AUTH_USER, $PHP_AUTH_PW;
global $USER_DETAILS;
global $ZBX_LOCALNODEID;
$USER_DETAILS = NULL;
$login = FALSE;
$sessionid = get_cookie('zbx_sessionid');
if (!is_null($sessionid)) {
$sql = 'SELECT u.*,s.* ' . ' FROM sessions s,users u' . ' WHERE s.sessionid=' . zbx_dbstr($sessionid) . ' AND s.status=' . ZBX_SESSION_ACTIVE . ' AND s.userid=u.userid' . ' AND ((s.lastaccess+u.autologout>' . time() . ') OR (u.autologout=0))' . ' AND ' . DBin_node('u.userid', $ZBX_LOCALNODEID);
$login = $USER_DETAILS = DBfetch(DBselect($sql));
if (!$USER_DETAILS) {
$incorrect_session = true;
} else {
if ($login['attempt_failed']) {
error(new CScript(array(bold($login['attempt_failed']), 'failed login attempts logged. Last failed attempt was from ', bold($login['attempt_ip']), ' on ', bold(date('d.m.Y H:i', $login['attempt_clock'])), '.')));
DBexecute('UPDATE users SET attempt_failed=0 WHERE userid=' . $login['userid']);
}
}
}
if (!$USER_DETAILS && !isset($_SERVER['PHP_AUTH_USER'])) {
$sql = 'SELECT u.* ' . ' FROM users u ' . ' WHERE u.alias=' . zbx_dbstr(ZBX_GUEST_USER) . ' AND ' . DBin_node('u.userid', $ZBX_LOCALNODEID);
$login = $USER_DETAILS = DBfetch(DBselect($sql));
if (!$USER_DETAILS) {
$missed_user_guest = true;
}
}
if ($login) {
$login = check_perm2login($USER_DETAILS['userid']) && check_perm2system($USER_DETAILS['userid']);
}
if (!$login) {
$USER_DETAILS = NULL;
}
if ($login && !isset($incorrect_session)) {
zbx_setcookie('zbx_sessionid', $sessionid, $USER_DETAILS['autologin'] ? time() + 86400 * 31 : 0);
//1 month
DBexecute('UPDATE sessions SET lastaccess=' . time() . ' WHERE sessionid=' . zbx_dbstr($sessionid));
} else {
zbx_unsetcookie('zbx_sessionid');
DBexecute('UPDATE sessions SET status=' . ZBX_SESSION_PASSIVE . ' WHERE sessionid=' . zbx_dbstr($sessionid));
unset($sessionid);
}
if ($USER_DETAILS) {
$USER_DETAILS['node'] = DBfetch(DBselect('SELECT * FROM nodes WHERE nodeid=' . id2nodeid($USER_DETAILS['userid'])));
if (empty($USER_DETAILS['node'])) {
$USER_DETAILS['node']['name'] = '- unknown -';
$USER_DETAILS['node']['nodeid'] = $ZBX_LOCALNODEID;
}
} else {
$USER_DETAILS = array('alias' => ZBX_GUEST_USER, 'userid' => 0, 'lang' => 'en_gb', 'type' => '0', 'node' => array('name' => '- unknown -', 'nodeid' => 0));
}
$userip = isset($_SERVER['HTTP_X_FORWARDED_FOR']) && !empty($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR'];
$USER_DETAILS['userip'] = $userip;
if (!$login || isset($incorrect_session) || isset($missed_user_guest)) {
if (isset($incorrect_session)) {
$message = 'Session was ended, please relogin!';
} else {
if (isset($missed_user_guest)) {
$row = DBfetch(DBselect('SELECT count(u.userid) as user_cnt FROM users u'));
if (!$row || $row['user_cnt'] == 0) {
$message = 'Table users is empty. Possible database corruption.';
}
}
}
if (!isset($_REQUEST['message']) && isset($message)) {
$_REQUEST['message'] = $message;
}
include 'index.php';
exit;
}
}
// when he presses the "Finish" button he must be redirected to the login screen
if (CWebUser::isGuest() && $ZBX_CONFIG['step'] == 5 && hasRequest('finish')) {
zbx_unsetcookie('ZBX_CONFIG');
redirect('index.php');
} elseif (!(CWebUser::isGuest() && $ZBX_CONFIG['step'] == 5)) {
access_deny(ACCESS_DENY_PAGE);
}
} elseif (hasRequest('cancel') || hasRequest('finish')) {
zbx_unsetcookie('ZBX_CONFIG');
redirect('index.php');
}
/*
* Setup wizard
*/
$ZBX_SETUP_WIZARD = new CSetupWizard($ZBX_CONFIG);
zbx_setcookie('ZBX_CONFIG', serialize($ZBX_CONFIG));
// page title
$pageTitle = '';
if (isset($ZBX_SERVER_NAME) && !zbx_empty($ZBX_SERVER_NAME)) {
$pageTitle = $ZBX_SERVER_NAME . NAME_DELIMITER;
}
$pageTitle .= _('Installation');
$pageHeader = new CPageHeader($pageTitle);
$pageHeader->addCssInit();
$pageHeader->addCssFile('styles/themes/originalblue/main.css');
$pageHeader->addJsFile('js/jquery/jquery.js');
$pageHeader->addJsFile('js/jquery/jquery-ui.js');
$pageHeader->addJsFile('js/functions.js');
// if init fails due to missing configuration, set user as guest with default en_GB language
if (!CWebUser::$data) {
CWebUser::setDefault();
}
}
if ($login) {
$login = $row = DBfetch(DBselect('SELECT u.userid,u.alias,u.name,u.surname,u.url,u.refresh,u.passwd ' . ' FROM users u, users_groups ug, usrgrp g ' . ' WHERE u.alias=' . zbx_dbstr($name) . (ZBX_AUTH_INTERNAL == $authentication_type ? ' AND u.passwd=' . zbx_dbstr($password) : '') . ' AND ' . DBin_node('u.userid', $ZBX_LOCALNODEID)));
}
/* update internal pass if it's different
if($login && ($row['passwd']!=$password) && (ZBX_AUTH_INTERNAL!=$authentication_type)){
DBexecute('UPDATE users SET passwd='.zbx_dbstr($password).' WHERE userid='.$row['userid']);
}
*/
if ($login) {
$login = check_perm2login($row['userid']) && check_perm2system($row['userid']);
}
if ($login) {
$sessionid = md5(time() . $password . $name . rand(0, 10000000));
zbx_setcookie('zbx_sessionid', $sessionid);
DBexecute('INSERT INTO sessions (sessionid,userid,lastaccess,status) VALUES (' . zbx_dbstr($sessionid) . ',' . $row['userid'] . ',' . time() . ',' . ZBX_SESSION_ACTIVE . ')');
add_audit(AUDIT_ACTION_LOGIN, AUDIT_RESOURCE_USER, 'Correct login [' . $name . ']');
if (empty($row['url'])) {
$USER_DETAILS['alias'] = $row['alias'];
$USER_DETAILS['userid'] = $row['userid'];
$row['url'] = get_profile('web.menu.view.last', 'index.php');
unset($USER_DETAILS);
}
redirect($row['url']);
die;
} else {
$row = NULL;
$_REQUEST['message'] = 'Login name or password is incorrect';
add_audit(AUDIT_ACTION_LOGIN, AUDIT_RESOURCE_USER, 'Login failed [' . $name . ']');
if ($attempt) {