460 lines
12 KiB
PHP
460 lines
12 KiB
PHP
<?php
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// Pandora FMS - http://pandorafms.com
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// ==================================================
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// Copyright (c) 2005-2009 Artica Soluciones Tecnologicas
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// Please see http://pandorafms.org for full contribution list
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation; version 2
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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/**
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* @package Include/auth
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*/
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if (!isset ($config)) {
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die ('
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>Pandora FMS - The Flexible Monitoring System - Console error</title>
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<meta http-equiv="expires" content="0">
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<meta http-equiv="content-type" content="text/html; charset=utf8">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="author" content="Sancho Lerena">
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<meta name="copyright" content="This is GPL software. Created by Sancho Lerena and others">
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<meta name="keywords" content="pandora, monitoring, system, GPL, software">
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<meta name="robots" content="index, follow">
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<link rel="icon" href="../../images/pandora.ico" type="image/ico">
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<link rel="stylesheet" href="../styles/pandora.css" type="text/css">
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</head>
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<body>
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<div id="main" style="float:left; margin-left: 100px">
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<div align="center">
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<div id="login_f">
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<h1 id="log_f" class="error">You cannot access this file</h1>
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<div>
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<img src="../../images/pandora_logo.png" border="0"></a>
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</div>
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<div class="msg">
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<span class="error"><b>ERROR:</b>
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You can\'t access this file directly!</span>
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</div>
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</div>
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</div>
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</body>
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</html>
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');
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}
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include_once($config['homedir'] . "/include/functions_profile.php");
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enterprise_include ('include/auth/mysql.php');
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$config["user_can_update_info"] = true;
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$config["user_can_update_password"] = true;
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$config["admin_can_add_user"] = true;
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$config["admin_can_delete_user"] = true;
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$config["admin_can_disable_user"] = false; //currently not implemented
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$config["admin_can_make_admin"] = true;
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/**
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* process_user_login accepts $login and $pass and handles it according to current authentication scheme
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*
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* @param string $login
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* @param string $pass
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*
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* @return mixed False in case of error or invalid credentials, the username in case it's correct.
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*/
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function process_user_login ($login, $pass) {
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global $config, $mysql_cache;
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// Always authenticate admins against the local database
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if (strtolower ($config["auth"]) == 'mysql' || is_user_admin ($login)) {
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// Connect to Database
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switch ($config["dbtype"]) {
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case "mysql":
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$sql = sprintf ("SELECT `id_user`, `password` FROM `tusuario` WHERE `id_user` = '%s' AND `disabled` = 0", $login);
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break;
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case "postgresql":
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$sql = sprintf ('SELECT "id_user", "password" FROM "tusuario" WHERE "id_user" = \'%s\' AND "disabled" = 0', $login);
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break;
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case "oracle":
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$sql = sprintf ('SELECT id_user, password FROM tusuario WHERE id_user = \'%s\' AND disabled = 0', $login);
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break;
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}
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$row = db_get_row_sql ($sql);
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//Check that row exists, that password is not empty and that password is the same hash
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if ($row !== false && $row["password"] !== md5 ("") && $row["password"] == md5 ($pass)) {
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// Login OK
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// Nick could be uppercase or lowercase (select in MySQL
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// is not case sensitive)
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// We get DB nick to put in PHP Session variable,
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// to avoid problems with case-sensitive usernames.
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// Thanks to David Muñiz for Bug discovery :)
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return $row["id_user"];
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}
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else {
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$mysql_cache["auth_error"] = "User not found in database or incorrect password";
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}
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return false;
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// Remote authentication
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}
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else {
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switch ($config["auth"]) {
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// LDAP
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case 'ldap':
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if (ldap_process_user_login ($login, $pass) === false) {
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$config["auth_error"] = "User not found in database or incorrect password";
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return false;
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}
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break;
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// Active Directory
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case 'ad':
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if (enterprise_hook ('ad_process_user_login', array ($login, $pass)) === false) {
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$config["auth_error"] = "User not found in database or incorrect password";
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return false;
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}
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break;
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// Remote Pandora FMS
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case 'pandora':
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if (enterprise_hook ('remote_pandora_process_user_login', array ($login, $pass)) === false) {
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$config["auth_error"] = "User not found in database or incorrect password";
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return false;
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}
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break;
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// Remote Babel Enterprise
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case 'babel':
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if (enterprise_hook ('remote_babel_process_user_login', array ($login, $pass)) === false) {
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$config["auth_error"] = "User not found in database or incorrect password";
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return false;
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}
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break;
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// Remote Integria
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case 'integria':
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if (enterprise_hook ('remote_integria_process_user_login', array ($login, $pass)) === false) {
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$config["auth_error"] = "User not found in database or incorrect password";
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return false;
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}
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break;
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// Unknown authentication method
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default:
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$config["auth_error"] = "User not found in database or incorrect password";
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return false;
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}
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// Authentication ok, check if the user exists in the local database
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if (is_user ($login)) {
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return $login;
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}
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// The user does not exist and can not be created
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if ($config['autocreate_remote_users'] == 0 || is_user_blacklisted ($login)) {
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$config["auth_error"] = "Ooops User not found in database or incorrect password";
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return false;
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}
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// Create the user in the local database
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if (create_user ($login, $pass, array ('fullname' => $login, 'comments' => 'Imported from ' . $config['auth'])) === false) {
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$config["auth_error"] = "User not found in database or incorrect password";
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return false;
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}
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profile_create_user_profile ($login, $config['default_remote_profile'], $config['default_remote_group']);
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return $login;
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}
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return false;
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}
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/**
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* Checks if a user is administrator.
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*
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* @param string User id.
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*
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* @return bool True is the user is admin
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*/
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function is_user_admin ($id_user) {
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/* This code below was here, but I don't understand WHY. This always returns TRUE ¿?¿?
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static $is_admin = -1;
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if ($is_admin !== -1)
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return $is_admin;
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*/
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$is_admin = (bool) db_get_value ('is_admin', 'tusuario', 'id_user', $id_user);
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return $is_admin;
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}
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/**
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* Get the user id field on a mixed structure.
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*
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* This function is needed to make auth system more compatible and independant.
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*
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* @param mixed User structure to get id. It might be a row returned from
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* tusuario or tusuario_perfil. If it's not a row, the int value is returned.
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*
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* @return int User id of the mixed parameter.
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*/
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function get_user_id ($user) {
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if (is_array ($user)){
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if (isset ($user['id_user']))
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return $user['id_user'];
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elseif (isset ($user['id_usuario']))
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return $user['id_usuario'];
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else
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return false;
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} else {
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return $user;
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}
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}
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/**
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* Check is a user exists in the system
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*
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* @param mixed User id.
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*
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* @return bool True if the user exists.
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*/
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function is_user ($user) {
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$user = db_get_row('tusuario', 'id_user', get_user_id ($user));
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if (! $user)
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return false;
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return true;
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}
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/**
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* Gets the users real name
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*
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* @param mixed User id.
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*
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* @return string The users full name
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*/
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function get_user_fullname ($user) {
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return (string) db_get_value ('fullname', 'tusuario', 'id_user', get_user_id ($user));
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}
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/**
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* Gets the users email
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*
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* @param mixed User id.
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*
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* @return string The users email address
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*/
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function get_user_email ($user) {
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return (string) db_get_value ('email', 'tusuario', 'id_user', get_user_id ($user));
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}
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/**
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* Gets a Users info
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*
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* @param mixed User id
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*
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* @return mixed An array of users
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*/
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function get_user_info ($user) {
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return db_get_row ("tusuario", "id_user", get_user_id ($user));
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}
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/**
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* Get a list of all users in an array [username] => array (userinfo)
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* We can't simplify this because some auth schemes (like LDAP) automatically (or it's at least cheaper to) return all the information
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* Functions like get_user_info allow selection of specifics (in functions_db)
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*
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* @param string Field to order by (id_user, fullname or registered)
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*
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* @return array An array of user information
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*/
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function get_users ($order = "fullname", $filter = false, $fields = false) {
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if (is_array($order)) {
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$filter['order'] = $order['field'] . ' ' . $order['order'];
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}
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else {
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switch ($order) {
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case "registered":
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case "last_connect":
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case "fullname":
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break;
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default:
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$order = "fullname";
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break;
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}
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$filter['order'] = $order." ASC";
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}
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$output = array();
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$result = db_get_all_rows_filter ("tusuario", $filter, $fields);
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if ($result !== false) {
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foreach ($result as $row) {
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$output[$row["id_user"]] = $row;
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}
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}
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return $output;
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}
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/**
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* Sets the last login for a user
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*
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* @param string User id
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*/
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function process_user_contact ($id_user) {
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return db_process_sql_update ("tusuario",
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array ("last_connect" => get_system_time ()),
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array ("id_user" => $id_user));
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}
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/**
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* Create a new user
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*
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* @return bool false
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*/
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function create_user ($id_user, $password, $user_info) {
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$values = $user_info;
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$values["id_user"] = $id_user;
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$values["password"] = md5 ($password);
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$values["last_connect"] = 0;
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$values["registered"] = get_system_time ();
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return (@db_process_sql_insert ("tusuario", $values)) !== false;
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}
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/**
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* Deletes the user
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*
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* @param string User id
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*/
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function delete_user ($id_user) {
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$result = db_process_sql_delete('tusuario_perfil', array('id_usuario' => $id_user));
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if ($result === false) {
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return false;
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}
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$result = db_process_sql_delete('tusuario', array('id_user' => $id_user));
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if ($result === false) {
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return false;
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}
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return true;
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}
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/**
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* Update the password in MD5 for user pass as id_user with
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* password in plain text.
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*
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* @param string user User ID
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* @param string password Password in plain text.
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*
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* @return mixed False in case of error or invalid values passed. Affected rows otherwise
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*/
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function update_user_password ($user, $password_new) {
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return db_process_sql_update ('tusuario',
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array ('password' => md5 ($password_new)),
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array ('id_user' => $user));
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}
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/**
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* Update the data of a user that user is choose with
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* id_user.
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*
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* @param string user User ID
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* @param array values Associative array with index as name of field and content.
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*
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* @return mixed False in case of error or invalid values passed. Affected rows otherwise
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*/
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function update_user ($id_user, $values) {
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if (! is_array ($values))
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return false;
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return db_process_sql_update ("tusuario", $values, array ("id_user" => $id_user));
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}
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/**
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* Authenticate against an LDAP server.
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*
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* @param string User login
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* @param string User password (plain text)
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*
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* @return bool True if the login is correct, false in other case
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*/
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function ldap_process_user_login ($login, $password) {
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global $config;
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if (! function_exists ("ldap_connect")) {
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$config["auth_error"] = 'Your installation of PHP does not support LDAP';
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return false;
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}
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// Connect to the LDAP server
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$ds = @ldap_connect ($config["ldap_server"], $config["ldap_port"]);
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if (!$ds) {
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$config["auth_error"] = 'Error connecting to LDAP server';
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return false;
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}
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// Set the LDAP version
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ldap_set_option ($ds, LDAP_OPT_PROTOCOL_VERSION, $config["ldap_version"]);
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if ($config["ldap_start_tls"]) {
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if (!@ldap_start_tls ($ds)) {
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$config["auth_error"] = 'Could not start TLS for LDAP connection';
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@ldap_close ($ds);
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return false;
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}
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}
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if (strlen($password) == 0 || !@ldap_bind ($ds, $config["ldap_login_attr"]."=".$login.",".$config["ldap_base_dn"], $password)) {
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$config["auth_error"] = 'User not found in database or incorrect password';
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@ldap_close ($ds);
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return false;
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}
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@ldap_close ($ds);
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return true;
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}
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/**
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* Checks if a user is in the autocreate blacklist.
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*
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* @param string User
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*
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* @return bool True if the user is in the blacklist, false otherwise.
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*/
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function is_user_blacklisted ($user) {
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global $config;
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$blisted_users = explode (',', $config['autocreate_blacklist']);
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foreach ($blisted_users as $blisted_user) {
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if ($user == $blisted_user) {
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return true;
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}
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}
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return false;
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}
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//Reference the global use authorization error to last auth error.
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$config["auth_error"] = &$mysql_cache["auth_error"];
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?>
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