<?php
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/*
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Copyright (c) 2005, Till Brehm, projektfarm Gmbh
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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//
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class login_index {
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public $status = '';
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private $target = '';
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private $app;
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private $conf;
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public function render() {
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global $app, $conf;
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/* Redirect to page, if login form was NOT send */
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if(count($_POST) == 0) {
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if(isset($_SESSION['s']['user']) && is_array($_SESSION['s']['user']) && is_array($_SESSION['s']['module'])) {
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die('HEADER_REDIRECT:'.$_SESSION['s']['module']['startpage']);
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}
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}
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$app->uses('tpl');
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$app->tpl->newTemplate('form.tpl.htm');
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$error = '';
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$app->load_language_file('web/login/lib/lang/'.$conf["language"].'.lng');
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// Maintenance mode
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$maintenance_mode = false;
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$maintenance_mode_error = '';
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$app->uses('ini_parser,getconf');
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$server_config_array = $app->getconf->get_global_config('misc');
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if($server_config_array['maintenance_mode'] == 'y'){
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$maintenance_mode = true;
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$maintenance_mode_error = $app->lng('error_maintenance_mode');
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}
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//* Login Form was sent
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if(count($_POST) > 0) {
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//** Check variables
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if(!preg_match("/^[\w\.\-\_\@]{1,128}$/", $_POST['username'])) $error = $app->lng('user_regex_error');
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if(!preg_match("/^.{1,64}$/i", $_POST['passwort'])) $error = $app->lng('pw_error_length');
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//** iporting variables
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$ip = $app->db->quote(ip2long($_SERVER['REMOTE_ADDR']));
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$username = $app->db->quote($_POST['username']);
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$passwort = $app->db->quote($_POST['passwort']);
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$loginAs = false;
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$time = time();
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if($username != '' && $passwort != '' && $error == '') {
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/*
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* Check, if there is a "login as" instead of a "normal" login
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*/
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if (isset($_SESSION['s']['user']) && $_SESSION['s']['user']['active'] == 1){
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/*
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* only the admin or reseller can "login as" so if the user is NOT an admin or reseller, we
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* open the startpage (after killing the old session), so the user
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* is logout and has to start again!
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*/
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if ($_SESSION['s']['user']['typ'] != 'admin' && !$app->auth->has_clients($_SESSION['s']['user']['userid'])) {
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/*
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* The actual user is NOT a admin or reseller, but maybe he
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* has logged in as "normal" user before...
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*/
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if (isset($_SESSION['s_old'])&& ($_SESSION['s_old']['user']['typ'] == 'admin' || $app->auth->has_clients($_SESSION['s_old']['user']['userid']))){
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/* The "old" user is admin or reseller, so everything is ok
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* if he is reseller, we need to check if he logs in to one of his clients
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*/
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if($_SESSION['s_old']['user']['typ'] != 'admin') {
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/* this is the one currently logged in (normal user) */
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$old_client_group_id = $app->functions->intval($_SESSION["s"]["user"]["default_group"]);
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$old_client = $app->db->queryOneRecord("SELECT client.client_id, client.parent_client_id FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = ?", $old_client_group_id);
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/* this is the reseller, that shall be re-logged in */
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$sql = "SELECT * FROM sys_user WHERE USERNAME = ? and PASSWORT = ?";
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$tmp = $app->db->queryOneRecord($sql, $username, $passwort);
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$client_group_id = $app->functions->intval($tmp['default_group']);
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$tmp_client = $app->db->queryOneRecord("SELECT client.client_id FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = ", $client_group_id);
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if(!$tmp_client || $old_client["parent_client_id"] != $tmp_client["client_id"] || $tmp["default_group"] != $_SESSION["s_old"]["user"]["default_group"] ) {
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die("You don't have the right to 'login as' this user!");
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}
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unset($old_client);
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unset($tmp_client);
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unset($tmp);
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}
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}
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else {
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die("You don't have the right to 'login as'!");
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}
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} elseif($_SESSION['s']['user']['typ'] != 'admin' && (!isset($_SESSION['s_old']['user']) || $_SESSION['s_old']['user']['typ'] != 'admin')) {
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/* a reseller wants to 'login as', we need to check if he is allowed to */
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$res_client_group_id = $app->functions->intval($_SESSION["s"]["user"]["default_group"]);
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$res_client = $app->db->queryOneRecord("SELECT client.client_id FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = ", $res_client_group_id);
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/* this is the user the reseller wants to 'login as' */
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$sql = "SELECT * FROM sys_user WHERE USERNAME = ? and PASSWORT = ?";
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$tmp = $app->db->queryOneRecord($sql, $username, $passwort);
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$tmp_client = $app->db->queryOneRecord("SELECT client.client_id, client.parent_client_id FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = ?", $tmp["default_group"]);
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if(!$tmp || $tmp_client["parent_client_id"] != $res_client["client_id"]) {
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die("You don't have the right to login as this user!");
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}
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unset($res_client);
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unset($tmp);
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unset($tmp_client);
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}
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$loginAs = true;
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}
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else {
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/* normal login */
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$loginAs = false;
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}
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//* Check if there are already wrong logins
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$sql = "SELECT * FROM `attempts_login` WHERE `ip`= ? AND `login_time` > (NOW() - INTERVAL 1 MINUTE) LIMIT 1";
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$alreadyfailed = $app->db->queryOneRecord($sql, $ip);
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//* too many failedlogins
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if($alreadyfailed['times'] > 5) {
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$error = $app->lng('error_user_too_many_logins');
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} else {
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if ($loginAs){
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$sql = "SELECT * FROM sys_user WHERE USERNAME = ? and PASSWORT = ?";
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$user = $app->db->queryOneRecord($sql, $username, $passwort);
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} else {
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if(stristr($username, '@')) {
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//* mailuser login
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$sql = "SELECT * FROM mail_user WHERE login = ? or email = ?";
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$mailuser = $app->db->queryOneRecord($sql, $username, $username);
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$user = false;
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if($mailuser) {
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$saved_password = stripslashes($mailuser['password']);
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$salt = '$1$'.substr($saved_password, 3, 8).'$';
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//* Check if mailuser password is correct
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if(crypt(stripslashes($passwort), $salt) == $saved_password) {
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//* we build a fake user here which has access to the mailuser module only and userid 0
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$user = array();
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$user['userid'] = 0;
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$user['active'] = 1;
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$user['startmodule'] = 'mailuser';
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$user['modules'] = 'mailuser';
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$user['typ'] = 'user';
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$user['email'] = $mailuser['email'];
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$user['username'] = $username;
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$user['language'] = $conf['language'];
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$user['theme'] = $conf['theme'];
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$user['app_theme'] = $conf['theme'];
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$user['mailuser_id'] = $mailuser['mailuser_id'];
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$user['default_group'] = $mailuser['sys_groupid'];
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}
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}
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} else {
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//* normal cp user login
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$sql = "SELECT * FROM sys_user WHERE USERNAME = ?";
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$user = $app->db->queryOneRecord($sql, $username);
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if($user) {
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$saved_password = stripslashes($user['passwort']);
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if(substr($saved_password, 0, 3) == '$1$') {
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//* The password is crypt-md5 encrypted
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$salt = '$1$'.substr($saved_password, 3, 8).'$';
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if(crypt(stripslashes($passwort), $salt) != $saved_password) {
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$user = false;
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}
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} elseif(substr($saved_password, 0, 3) == '$5$') {
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//* The password is crypt-sha256 encrypted
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$salt = '$5$'.substr($saved_password, 3, 16).'$';
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if(crypt(stripslashes($passwort), $salt) != $saved_password) {
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$user = false;
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}
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} else {
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//* The password is md5 encrypted
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if(md5($passwort) != $saved_password) {
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$user = false;
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}
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}
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} else {
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$user = false;
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}
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}
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}
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if($user) {
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if($user['active'] == 1) {
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// Maintenance mode - allow logins only when maintenance mode is off or if the user is admin
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if(!$maintenance_mode || $user['typ'] == 'admin'){
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// User login right, so attempts can be deleted
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$sql = "DELETE FROM `attempts_login` WHERE `ip`=?";
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$app->db->query($sql, $ip);
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$user = $app->db->toLower($user);
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if ($loginAs) $oldSession = $_SESSION['s'];
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session_regenerate_id();
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$_SESSION = array();
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if ($loginAs) $_SESSION['s_old'] = $oldSession; // keep the way back!
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$_SESSION['s']['user'] = $user;
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$_SESSION['s']['user']['theme'] = isset($user['app_theme']) ? $user['app_theme'] : 'default';
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$_SESSION['s']['language'] = $user['language'];
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$_SESSION["s"]['theme'] = $_SESSION['s']['user']['theme'];
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if(is_file($_SESSION['s']['user']['startmodule'].'/lib/module.conf.php')) {
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include_once $_SESSION['s']['user']['startmodule'].'/lib/module.conf.php';
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$menu_dir = ISPC_WEB_PATH.'/' . $_SESSION['s']['user']['startmodule'] . '/lib/menu.d';
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if (is_dir($menu_dir)) {
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if ($dh = opendir($menu_dir)) {
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//** Go through all files in the menu dir
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while (($file = readdir($dh)) !== false) {
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if ($file != '.' && $file != '..' && substr($file, -9, 9) == '.menu.php' && $file != 'dns_resync.menu.php') {
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include_once $menu_dir . '/' . $file;
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}
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}
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}
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}
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$_SESSION['s']['module'] = $module;
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}
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// check if the user theme is valid
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if($_SESSION['s']['user']['theme'] != 'default') {
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$tmp_path = ISPC_THEMES_PATH."/".$_SESSION['s']['user']['theme'];
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if(!@is_dir($tmp_path) || !@file_exists($tmp_path."/ispconfig_version") || trim(file_get_contents($tmp_path."/ispconfig_version")) != ISPC_APP_VERSION) {
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// fall back to default theme if this one is not compatible with current ispc version
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$_SESSION['s']['user']['theme'] = 'default';
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$_SESSION['s']['theme'] = 'default';
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$_SESSION['show_error_msg'] = $app->lng('theme_not_compatible');
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}
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}
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$app->plugin->raiseEvent('login', $this);
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//* Save successfull login message to var
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$authlog = 'Successful login for user \''. $username .'\' from '. long2ip($ip) .' at '. date('Y-m-d H:i:s');
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$authlog_handle = fopen($conf['ispconfig_log_dir'].'/auth.log', 'a');
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fwrite($authlog_handle, $authlog ."\n");
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fclose($authlog_handle);
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/*
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* We need LOGIN_REDIRECT instead of HEADER_REDIRECT to load the
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* new theme, if the logged-in user has another
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*/
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echo 'LOGIN_REDIRECT:'.$_SESSION['s']['module']['startpage'];
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exit;
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}
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} else {
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$error = $app->lng('error_user_blocked');
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}
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} else {
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if(!$alreadyfailed['times'] )
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{
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//* user login the first time wrong
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$sql = "INSERT INTO `attempts_login` (`ip`, `times`, `login_time`) VALUES (?, 1, NOW())";
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$app->db->query($sql, $ip);
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} elseif($alreadyfailed['times'] >= 1) {
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//* update times wrong
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$sql = "UPDATE `attempts_login` SET `times`=`times`+1, `login_time`=NOW() WHERE `ip` = ? AND `login_time` < NOW() ORDER BY `login_time` DESC LIMIT 1";
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$app->db->query($sql, $ip);
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}
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//* Incorrect login - Username and password incorrect
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$error = $app->lng('error_user_password_incorrect');
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if($app->db->errorMessage != '') $error .= '<br />'.$app->db->errorMessage != '';
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$app->plugin->raiseEvent('login_failed', $this);
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//* Save failed login message to var
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$authlog = 'Failed login for user \''. $username .'\' from '. long2ip($ip) .' at '. date('Y-m-d H:i:s');
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$authlog_handle = fopen($conf['ispconfig_log_dir'].'/auth.log', 'a');
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fwrite($authlog_handle, $authlog ."\n");
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fclose($authlog_handle);
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}
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}
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} else {
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//* Username or password empty
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if($error == '') $error = $app->lng('error_user_password_empty');
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$app->plugin->raiseEvent('login_empty', $this);
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}
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}
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// Maintenance mode - show message when people try to log in and also when people are forcedly logged off
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if($maintenance_mode_error != '') $error = '<strong>'.$maintenance_mode_error.'</strong><br><br>'.$error;
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if($error != ''){
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$error = '<div class="box box_error"><h1>Error</h1>'.$error.'</div>';
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}
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$app->load('getconf');
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$security_config = $app->getconf->get_security_config('permissions');
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if($security_config['password_reset_allowed'] == 'yes') {
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$app->tpl->setVar('pw_lost_show', 1);
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} else {
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$app->tpl->setVar('pw_lost_show', 0);
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}
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$app->tpl->setVar('error', $error);
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$app->tpl->setVar('pw_lost_txt', $app->lng('pw_lost_txt'));
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$app->tpl->setVar('username_txt', $app->lng('username_txt'));
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$app->tpl->setVar('password_txt', $app->lng('password_txt'));
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$app->tpl->setVar('stay_logged_in_txt', $app->lng('stay_logged_in_txt'));
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$app->tpl->setVar('login_button_txt', $app->lng('login_button_txt'));
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$app->tpl->setVar('session_timeout', $server_config_array['session_timeout']);
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$app->tpl->setVar('session_allow_endless', $server_config_array['session_allow_endless']);
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$app->tpl->setInclude('content_tpl', 'login/templates/index.htm');
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$app->tpl_defaults();
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$this->status = 'OK';
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return $app->tpl->grab();
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} // << end function
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} // << end class
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?>
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