578 lines
17 KiB
PHP
578 lines
17 KiB
PHP
<?php
|
|
// Pandora FMS - http://pandorafms.com
|
|
// ==================================================
|
|
// Copyright (c) 2005-2009 Artica Soluciones Tecnologicas
|
|
// Please see http://pandorafms.org for full contribution list
|
|
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Lesser General Public License
|
|
// as published by the Free Software Foundation; version 2
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
|
|
/**
|
|
* @package Include/auth
|
|
*/
|
|
|
|
if (!isset ($config)) {
|
|
die ('
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
|
|
<html>
|
|
<head>
|
|
<title>Pandora FMS - The Flexible Monitoring System - Console error</title>
|
|
<meta http-equiv="expires" content="0">
|
|
<meta http-equiv="content-type" content="text/html; charset=utf8">
|
|
<meta name="resource-type" content="document">
|
|
<meta name="distribution" content="global">
|
|
<meta name="author" content="Sancho Lerena">
|
|
<meta name="copyright" content="This is GPL software. Created by Sancho Lerena and others">
|
|
<meta name="keywords" content="pandora, monitoring, system, GPL, software">
|
|
<meta name="robots" content="index, follow">
|
|
<link rel="icon" href="../../images/pandora.ico" type="image/ico">
|
|
<link rel="stylesheet" href="../styles/pandora.css" type="text/css">
|
|
</head>
|
|
<body>
|
|
<div id="main" style="float:left; margin-left: 100px">
|
|
<div align="center">
|
|
<div id="login_f">
|
|
<h1 id="log_f" class="error">You cannot access this file</h1>
|
|
<div>
|
|
<img src="../../images/pandora_logo.png" border="0"></a>
|
|
</div>
|
|
<div class="msg">
|
|
<span class="error"><b>ERROR:</b>
|
|
You can\'t access this file directly!</span>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|
|
');
|
|
}
|
|
|
|
$config["user_can_update_info"] = false;
|
|
$config["user_can_update_password"] = false;
|
|
$config["admin_can_add_user"] = false;
|
|
$config["admin_can_delete_user"] = false;
|
|
$config["admin_can_disable_user"] = false; //Not implemented
|
|
$config["admin_can_make_admin"] = false;
|
|
|
|
//Required and optional keys for this function to work
|
|
$req_keys = array ("ldap_server", "ldap_base_dn", "ldap_login_attr", "ldap_admin_group_name", "ldap_admin_group_attr", "ldap_admin_group_type", "ldap_user_filter", "ldap_user_attr");
|
|
$opt_keys = array ("ldap_port", "ldap_start_tls", "ldap_version", "ldap_admin_dn", "ldap_admin_pwd");
|
|
|
|
global $ldap_cache; //Needs to be globalized because process_config () function calls this file first and the variable would be local and subsequently lost
|
|
$ldap_cache = array ();
|
|
$ldap_cache["error"] = "";
|
|
$ldap_cache["ds"] = "";
|
|
|
|
//Put each required key in a variable.
|
|
foreach ($req_keys as $key) {
|
|
if (!isset ($config["auth"][$key])) {
|
|
user_error ("Required key ".$key." not set", E_USER_ERROR);
|
|
}
|
|
}
|
|
|
|
// Convert group name to lower case to prevent problems
|
|
$config["auth"]["ldap_admin_group_attr"] = strtolower ($config["auth"]["ldap_admin_group_attr"]);
|
|
$config["auth"]["ldap_admin_group_type"] = strtolower ($config["auth"]["ldap_admin_group_type"]);
|
|
|
|
foreach ($opt_keys as $key) {
|
|
if (!isset ($config["auth"][$key])) {
|
|
switch ($key) {
|
|
case "ldap_start_tls":
|
|
$config["auth"][$key] = false;
|
|
continue;
|
|
case "ldap_version":
|
|
$config["auth"][$key] = 0;
|
|
continue;
|
|
case "ldap_admin_dn":
|
|
case "ldap_admin_pwd":
|
|
$config["auth"][$key] = "";
|
|
continue;
|
|
default:
|
|
//Key not implemented
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
//Reference the global use authorization error to last ldap error.
|
|
$config["auth_error"] = &$ldap_cache["error"];
|
|
|
|
unset ($req_keys, $opt_keys);
|
|
|
|
|
|
/**
|
|
* process_user_login accepts $login and $pass and handles it according to current authentication scheme
|
|
*
|
|
* @param string $login
|
|
* @param string $pass
|
|
*
|
|
* @return mixed False in case of error or invalid credentials, the username in case it's correct.
|
|
*/
|
|
function process_user_login ($login, $pass) {
|
|
if (!ldap_valid_login ($login, $pass)) {
|
|
return false;
|
|
}
|
|
global $config;
|
|
|
|
$profile = get_db_value ("id_usuario", "tusuario_perfil", "id_usuario", $login);
|
|
|
|
if ($profile === false && empty ($config["auth"]["create_user_undefined"])) {
|
|
$config["auth_error"] = "No profile"; //Error message, don't translate
|
|
return false; //User doesn't have a profile so doesn't have access
|
|
} elseif ($profile === false && !empty ($config["auth"]["create_user_undefined"])) {
|
|
$ret = create_user_profile ($login); //User doesn't have a profile but we are asked to create one
|
|
if ($ret === false) {
|
|
$config["auth_error"] = "Profile creation failed"; //Error message, don't translate
|
|
return false; //We couldn't create the profile for some or another reason
|
|
}
|
|
}
|
|
|
|
return $login;
|
|
}
|
|
|
|
/**
|
|
* Checks if a user is administrator.
|
|
*
|
|
* @param string User id.
|
|
*
|
|
* @return bool True is the user is admin
|
|
*/
|
|
function is_user_admin ($user_id) {
|
|
$admins = get_user_admins ();
|
|
|
|
if (in_array ($user_id, $admins)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Checks if a user exists
|
|
*
|
|
* @param string User id.
|
|
*
|
|
* @return bool True if the user exists
|
|
*/
|
|
function is_user ($id_user) {
|
|
$user = get_user_info ($id_user);
|
|
if (empty ($user))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Gets the users real name
|
|
*
|
|
* @param string User id.
|
|
*
|
|
* @return string The users full name
|
|
*/
|
|
function get_user_fullname ($id_user) {
|
|
$info = get_user_info ($id_user);
|
|
if (empty ($info)) {
|
|
//User doesn't exist
|
|
return '';
|
|
}
|
|
return (string) $info["fullname"];
|
|
}
|
|
|
|
/**
|
|
* Gets the users email
|
|
*
|
|
* @param string User id.
|
|
*
|
|
* @return string The users email address
|
|
*/
|
|
function get_user_email ($id_user) {
|
|
$info = get_user_info ($id_user);
|
|
return (string) $info["email"];
|
|
}
|
|
|
|
/**
|
|
* Get the user id field on a mixed structure.
|
|
*
|
|
* This function is needed to make auth system more compatible and independant.
|
|
*
|
|
* @param mixed User structure to get id. It might be a row returned from
|
|
* tusuario or tusuario_perfil. If it's not a row, the int value is returned.
|
|
*/
|
|
function get_user_id ($user) {
|
|
if (is_array ($user))
|
|
/* FIXME: Is this right? */
|
|
return $user['id_user'];
|
|
return (int) $user;
|
|
}
|
|
|
|
/**
|
|
* Gets the users info
|
|
*
|
|
* @param string User id.
|
|
*
|
|
* @return array User info
|
|
*/
|
|
function get_user_info ($id_user) {
|
|
global $ldap_cache;
|
|
|
|
if (!empty ($ldap_cache[$id_user])) {
|
|
return $ldap_cache[$id_user];
|
|
}
|
|
|
|
$ldap_cache[$id_user] = ldap_load_user ($id_user);
|
|
|
|
if ($ldap_cache[$id_user] === false) {
|
|
return array ();
|
|
}
|
|
|
|
return $ldap_cache[$id_user];
|
|
}
|
|
|
|
/**
|
|
* Get all users that are defined in the admin group in LDAP
|
|
*
|
|
* @return array Array of users or empty array
|
|
*/
|
|
function get_user_admins () {
|
|
global $ldap_cache, $config;
|
|
|
|
if (! empty ($ldap_cache["cached_admins"])) {
|
|
return $ldap_cache["cached_admins"];
|
|
} else {
|
|
$ldap_cache["cached_admins"] = array ();
|
|
}
|
|
|
|
if (ldap_connect_bind ()) {
|
|
$search_filter = "(".$config["auth"]["ldap_admin_group_attr"]."=*)";
|
|
$sr = ldap_search ( $ldap_cache["ds"], $config["auth"]["ldap_admin_group_name"], $search_filter, array ($config["auth"]["ldap_admin_group_attr"]));
|
|
if (!$sr) {
|
|
$ldap_cache["error"] .= 'Error searching LDAP server (get_user_admins): ' . ldap_error ($ldap_cache["ds"]);
|
|
} else {
|
|
$admins = ldap_get_entries( $ldap_cache["ds"], $sr);
|
|
for( $x = 0; $x < $admins[0][$config["auth"]["ldap_admin_group_attr"]]['count']; $x++) {
|
|
if ($config["auth"]["ldap_admin_group_type"] != 'posixgroup') {
|
|
$ldap_cache["cached_admins"][] = stripdn ($admins[0][$config["auth"]["ldap_admin_group_attr"]][$x]);
|
|
} else {
|
|
$ldap_cache["cached_admins"][] = $admins[0][$config["auth"]["ldap_admin_group_attr"]][$x];
|
|
}
|
|
}
|
|
@ldap_free_result($sr);
|
|
}
|
|
@ldap_close ($ldap_cache["ds"]);
|
|
}
|
|
|
|
return $ldap_cache["cached_admins"];
|
|
}
|
|
|
|
/**
|
|
* Sets the last login for a user. LDAP doesn't have this (or it's inherent to the login process)
|
|
*
|
|
* @param string User id
|
|
*/
|
|
function process_user_contact ($id_user) {
|
|
//Empty function
|
|
}
|
|
|
|
/**
|
|
* LDAP user functions based on webcalendar's implementation
|
|
*
|
|
* File from webcalendar (GPL) project:
|
|
* $Id: user-ldap.php,v 1.42.2.1 2007/08/17 14:39:00 umcesrjones Exp $
|
|
*
|
|
* Note: this application assumes that usernames (logins) are unique.
|
|
*/
|
|
|
|
/**
|
|
* Function to search the dn for a given user. Error messages in $ldap_cache["error"];
|
|
*
|
|
* @param string User login
|
|
*
|
|
* @return mixed The DN if the user is found, false in other case
|
|
*/
|
|
function ldap_search_user ($login) {
|
|
global $ldap_cache, $config;
|
|
|
|
$nick = false;
|
|
if (ldap_connect_bind ()) {
|
|
$sr = @ldap_search ($ldap_cache["ds"], $config["auth"]["ldap_base_dn"], "(&(".$config["auth"]["ldap_login_attr"]."=".$login.")".$config["auth"]["ldap_user_filter"].")", array_values ($config["auth"]["ldap_user_attr"]));
|
|
|
|
if (!$sr) {
|
|
$ldap_cache["error"] .= 'Error searching LDAP server: ' . ldap_error ($ldap_cache["ds"]);
|
|
} else {
|
|
$info = @ldap_get_entries ($ldap_cache["ds"], $sr );
|
|
if ( $info['count'] != 1 ) {
|
|
$ldap_cache["error"] .= 'Invalid user';
|
|
} else {
|
|
$nick = $info[0]['dn'];
|
|
}
|
|
@ldap_free_result ($sr);
|
|
}
|
|
@ldap_close ($ldap_cache["ds"]);
|
|
}
|
|
return $nick;
|
|
}
|
|
|
|
/**
|
|
* Function to validate the user and password for a given login. Error messages in $ldap_cache["error"];
|
|
*
|
|
* @param string User login
|
|
* @param string User password (plain text)
|
|
*
|
|
* @return bool True if the login is correct, false in other case
|
|
*/
|
|
function ldap_valid_login ($login, $password) {
|
|
global $ldap_cache, $config;
|
|
|
|
if (! function_exists ("ldap_connect")) {
|
|
die ("Your installation of PHP does not support LDAP");
|
|
}
|
|
|
|
$ret = false;
|
|
if (!empty ($config["auth"]["ldap_port"])) {
|
|
$ds = @ldap_connect ($config["auth"]["ldap_server"], $config["auth"]["ldap_port"]); //Since this is a separate bind, we don't store it global
|
|
} else {
|
|
$ds = @ldap_connect ($config["auth"]["ldap_server"]); //Since this is a separate bind we don't store it global
|
|
}
|
|
if ($ds) {
|
|
if ($config["auth"]["ldap_version"] > 0) {
|
|
ldap_set_option ($ds, LDAP_OPT_PROTOCOL_VERSION, $config["auth"]["ldap_version"]);
|
|
}
|
|
|
|
if ($config["auth"]["ldap_start_tls"] && !@ldap_start_tls ($ds)) {
|
|
$ldap_cache["error"] .= 'Could not start TLS for LDAP connection';
|
|
return $ret;
|
|
}
|
|
|
|
if (ldap_search_user ($login)) {
|
|
$r = @ldap_bind ($ds, $config["auth"]["ldap_login_attr"]."=".$login.",".$config["auth"]["ldap_base_dn"], $password);
|
|
if (!$r) {
|
|
$ldap_cache["error"] .= 'Invalid login';
|
|
//$ldap_cache["error"] .= ': incorrect password'; // uncomment for debugging
|
|
} else {
|
|
$ret = true;
|
|
}
|
|
} else {
|
|
$ldap_cache["error"] .= 'Invalid login';
|
|
//$ldap_cache["error"] .= ': no such user';
|
|
}
|
|
@ldap_close ($ds);
|
|
} else {
|
|
$ldap_cache["error"] .= 'Error connecting to LDAP server';
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Function to load user information according to PandoraFMS structure. Error messages in $ldap_cache["error"];
|
|
*
|
|
* @param string User login
|
|
*
|
|
* @return mixed Array with the information, false in other case
|
|
*/
|
|
function ldap_load_user ($login) {
|
|
global $ldap_cache, $config;
|
|
|
|
$ret = false;
|
|
$time = get_system_time ();
|
|
if (ldap_connect_bind ()) {
|
|
|
|
$sr = ldap_search ($ldap_cache["ds"], $config["auth"]["ldap_base_dn"], "(&(".$config["auth"]["ldap_login_attr"]."=".$login.")".$config["auth"]["ldap_user_filter"].")", array_values ($config["auth"]["ldap_user_attr"]));
|
|
|
|
if (!$sr) {
|
|
$ldap_cache["error"] .= 'Error searching LDAP server (load_user): ' . ldap_error( $ldap_cache["ds"] );
|
|
} else {
|
|
$info = @ldap_get_entries ($ldap_cache["ds"], $sr);
|
|
if ($info['count'] != 1) {
|
|
$ldap_cache["error"] .= 'Invalid login';
|
|
//$ldap_cache["error"] .= ', could not load user'; //Uncomment for debugging
|
|
} else {
|
|
$ret = array ();
|
|
foreach ($config["auth"]["ldap_user_attr"] as $internal_key => $ldap_key) {
|
|
$ret["last_connect"] = $time;
|
|
$ret["registered"] = $time;
|
|
$ret["is_admin"] = is_user_admin ($info[0][$config["auth"]["ldap_user_attr"]["id_user"]][0]);
|
|
if (isset ($info[0][$ldap_key])) {
|
|
$ret[$internal_key] = $info[0][$ldap_key][0];
|
|
} else {
|
|
$ret[$internal_key] = '';
|
|
}
|
|
}
|
|
}
|
|
@ldap_free_result ($sr);
|
|
}
|
|
@ldap_close ( $ldap_cache["ds"] );
|
|
} else {
|
|
$ldap_cache["error"] .= 'Could not connect to LDAP server';
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Function to create a new user. We don't do LDAP admin in Pandora, so not implemented.
|
|
*
|
|
* @return bool false
|
|
*/
|
|
function create_user () {
|
|
global $ldap_cache;
|
|
|
|
$ldap_cache["error"] .= 'Creating users not supported.';
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Function to update a user. We don't do LDAP admin in Pandora, so not implemented.
|
|
*
|
|
* @return bool false
|
|
*/
|
|
function process_user () {
|
|
global $ldap_cache;
|
|
|
|
$ldap_cache["error"] .= 'Updating users not supported.';
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Function to update a user password. We don't do LDAP admin in Pandora, so not implemented.
|
|
*
|
|
* @return bool false
|
|
*/
|
|
function update_user_password ($user, $password_old, $password_new) {
|
|
global $ldap_cache;
|
|
|
|
$ldap_cache["error"] = 'Changing passwords not supported';
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Delete a user (preferences etc.) from the pandora database (NOT from LDAP)
|
|
*
|
|
* @param string $user User to delete
|
|
*
|
|
* @return bool True if successfully deleted, false otherwise
|
|
*/
|
|
function delete_user ($user) {
|
|
global $ldap_cache;
|
|
|
|
$ldap_cache["error"] = 'Deleting users not supported';
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Function to get all users (for LDAP this also includes the admin users which you have to get separate)
|
|
*
|
|
* @param string Order currently not done for LDAP
|
|
*
|
|
* @return array List if successful, empty array otherwise
|
|
*/
|
|
function get_users ($order = false) {
|
|
global $ldap_cache, $config;
|
|
|
|
if (!empty ($ldap_cache["cached_users"])) {
|
|
return $ldap_cache["cached_users"];
|
|
}
|
|
|
|
$ldap_cache["cached_users"] = array ();
|
|
$time = get_system_time ();
|
|
|
|
if (ldap_connect_bind ()) {
|
|
$sr = @ldap_search ($ldap_cache["ds"], $config["auth"]["ldap_base_dn"], $config["auth"]["ldap_user_filter"], array_values ($config["auth"]["ldap_user_attr"]));
|
|
if (!$sr) {
|
|
$ldap_cache["error"] .= 'Error searching LDAP server (get_users): ' . ldap_error( $ldap_cache["ds"] );
|
|
} else {
|
|
ldap_sort ($ldap_cache["ds"], $sr, $config["auth"]["ldap_user_attr"]["fullname"]);
|
|
$info = @ldap_get_entries( $ldap_cache["ds"], $sr );
|
|
for ( $i = 0; $i < $info['count']; $i++ ) {
|
|
foreach ($config["auth"]["ldap_user_attr"] as $internal_key => $ldap_key) {
|
|
$ret[$info[$i][$config["auth"]["ldap_user_attr"]["id_user"]][0]]["last_connect"] = $time;
|
|
if (isset ($info[$i][$ldap_key])) {
|
|
$ret[$info[$i][$config["auth"]["ldap_user_attr"]["id_user"]][0]][$internal_key] = $info[$i][$ldap_key][0];
|
|
} else {
|
|
$ret[$info[$i][$config["auth"]["ldap_user_attr"]["id_user"]][0]][$internal_key] = '';
|
|
}
|
|
$ret[$info[$i][$config["auth"]["ldap_user_attr"]["id_user"]][0]]["is_admin"] = is_user_admin ($info[$i][$config["auth"]["ldap_user_attr"]["id_user"]][0]);
|
|
}
|
|
}
|
|
@ldap_free_result($sr);
|
|
}
|
|
@ldap_close ( $ldap_cache["ds"] );
|
|
}
|
|
|
|
//Admins are also users and since they can be in separate channels in LDAP, we merge them
|
|
$ldap_cache["cached_users"] = $ret;
|
|
|
|
return $ldap_cache["cached_users"];
|
|
}
|
|
|
|
/**
|
|
* Strip everything but the username (uid) from a dn.
|
|
* Example: path description
|
|
* stripdn(uid=jeffh,ou=people,dc=example,dc=com) returns jeffh
|
|
* @param string dn the dn you want to strip the uid from.
|
|
* @return string userid
|
|
*/
|
|
function stripdn ($dn) {
|
|
list ($uid, $trash) = split (',', $dn, 2);
|
|
list ($trash, $user) = split ('=', $uid);
|
|
return ($user);
|
|
}
|
|
|
|
/**
|
|
* Connects and binds to the LDAP server
|
|
* Tries to connect as $config["auth"]["ldap_admin_dn"] if we set it.
|
|
* @return boolean Bind result or false
|
|
*/
|
|
function ldap_connect_bind () {
|
|
global $ldap_cache, $config;
|
|
|
|
if (! function_exists ('ldap_connect')) {
|
|
die ('Your installation of PHP does not support LDAP');
|
|
}
|
|
|
|
$ret = false;
|
|
|
|
if (!empty ($config["auth"]["ldap_port"]) && !is_resource ($ldap_cache["ds"])) {
|
|
$ldap_cache["ds"] = @ldap_connect ($config["auth"]["ldap_server"], $config["auth"]["ldap_port"]);
|
|
} elseif (!is_resource ($ldap_cache["ds"])) {
|
|
$ldap_cache["ds"] = @ldap_connect ($config["auth"]["ldap_server"]);
|
|
} else {
|
|
return true;
|
|
}
|
|
|
|
if ($ldap_cache["ds"]) {
|
|
if (!empty ($config["auth"]["ldap_version"])) {
|
|
ldap_set_option($ldap_cache["ds"], LDAP_OPT_PROTOCOL_VERSION, $config["auth"]["ldap_version"]);
|
|
}
|
|
|
|
if (!empty ($config["auth"]["ldap_start_tls"])) {
|
|
if (!ldap_start_tls ($ldap_cache["ds"])) {
|
|
$ldap_cache["error"] .= 'Could not start TLS for LDAP connection';
|
|
return $ret;
|
|
}
|
|
}
|
|
|
|
if (!empty ($config["auth"]["ldap_admin_dn"])) {
|
|
$r = @ldap_bind ($ldap_cache["ds"], $config["auth"]["ldap_admin_dn"], $config["auth"]["ldap_admin_pwd"]);
|
|
} else {
|
|
$r = @ldap_bind ($ldap_cache["ds"]);
|
|
}
|
|
|
|
if (!$r) {
|
|
$ldap_cache["error"] .= 'Invalid bind login for LDAP Server or (in case of OpenLDAP 2.x) could not connect';
|
|
return $ret;
|
|
}
|
|
return true;
|
|
} else {
|
|
$ldap_cache["error"] .= 'Error connecting to LDAP server';
|
|
return $ret;
|
|
}
|
|
}
|
|
|
|
?>
|