192 lines
6.4 KiB
PHP
192 lines
6.4 KiB
PHP
<?php
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/*
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$Id$
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This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
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Copyright (C) 2003 Roland Gruber
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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// ldap.php provides basic functions to connect to the OpenLDAP server and get lists of users and groups.
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include_once("../config/config.php");
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// class representing local user entry with attributes of ldap user entry
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include_once("userentry.php");
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class Ldap{
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// object of Config to access preferences
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var $conf;
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// server handle
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var $server;
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// LDAP username and password used for bind
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var $username;
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var $password;
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// constructor
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// $config has to be an object of Config (../config/config.php)
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function Ldap($config) {
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if (is_object($config)) $this->conf = $config;
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else { echo _("Ldap->Ldap failed!"); exit;}
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}
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// returns an array of strings with the DN entries of all users
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// $base is optional and specifies the root from where to search for entries
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function getUsers($base = "") {
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if ($base == "") $base = $this->conf->get_UserSuffix();
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// users have the attribute "posixAccount" or "sambaAccount" and do not end with "$"
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$filter = "(&(|(objectClass=posixAccount) (objectClass=sambaAccount)) (!(uid=*$)))";
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$attrs = array();
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$sr = ldap_search($this->server, $base, $filter, $attrs);
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$info = ldap_get_entries($this->server, $sr);
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$ret = array();
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for ($i = 0; $i < $info["count"]; $i++) $ret[$i] = $info[$i]["dn"];
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ldap_free_result($sr);
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return $ret;
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}
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// returns an array of strings with the DN entries of all groups
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// $base is optional and specifies the root from where to search for entries
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function getGroups($base = "") {
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if ($base == "") $base = $this->conf->get_GroupSuffix();
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// groups have the attribute "posixGroup"
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$filter = "(objectClass=posixGroup)";
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$attrs = array();
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$sr = ldap_search($this->server, $base, $filter, $attrs);
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$info = ldap_get_entries($this->server, $sr);
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$ret = array();
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for ($i = 0; $i < $info["count"]; $i++) $ret[$i] = $info[$i]["dn"];
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ldap_free_result($sr);
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return $ret;
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}
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// returns an array of strings with the DN entries of all Samba hosts
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// $base is optional and specifies the root from where to search for entries
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function getMachines($base = "") {
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if ($base == "") $base = $this->conf->get_HostSuffix();
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// Samba hosts have the attribute "sambaAccount" and end with "$"
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$filter = "(&(objectClass=sambaAccount) (uid=*$))";
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$attrs = array();
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$sr = ldap_search($this->server, $base, $filter, $attrs);
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$info = ldap_get_entries($this->server, $sr);
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$ret = array();
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for ($i = 0; $i < $info["count"]; $i++) $ret[$i] = $info[$i]["dn"];
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ldap_free_result($sr);
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return $ret;
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}
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// connects to the server using the given username and password
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// $base is optional and specifies the root from where to search for entries
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// if connect succeeds the server handle is returned
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function connect($user, $passwd) {
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// close any prior connection
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@$this->close();
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// do not allow anonymous bind
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if ((!$user)||($user == "")) {
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echo _("No username was specified!");
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exit;
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}
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// save password und username encrypted
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$this->encrypt($user, $passwd);
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if ($this->conf->get_SSL() == "True") $this->server = @ldap_connect("ldaps://" . $this->conf->get_Host(), $this->conf->get_Port());
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else $this->server = @ldap_connect("ldap://" . $this->conf->get_Host(), $this->conf->get_Port());
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if ($this->server) {
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// use LDAPv3
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ldap_set_option($this->server, LDAP_OPT_PROTOCOL_VERSION, 3);
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$bind = @ldap_bind($this->server, $user, $passwd);
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if ($bind) {
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// return server handle
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return $this->server;
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}
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}
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}
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// fills the UserEntry object with attributes from the ldap server with the
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// given dn of an user entry
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function getUser ($in_user_dn) {
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$user = new UserEntry();
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$attrs = array();
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$resource = ldap_read ($this->server,
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$in_user_dn, "(objectClass=*)", $attrs);
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$entry = ldap_first_entry ($this->server, $resource);
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// attributes which are not multivalued ...
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$uid = ldap_get_values ($this->server, $entry, "uid");
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$user->setUid ($uid[0]);
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$cn = ldap_get_values ($this->server, $entry, "cn");
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$user->setCn ($cn[0]);
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$sn = ldap_get_values ($this->server, $entry, "sn");
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$user->setSn ($sn[0]);
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$givenName = ldap_get_values ($this->server, $entry, "givenName");
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$user->setGivenName ($givenName[0]);
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$homeDirectory = ldap_get_values ($this->server, $entry, "homeDirectory");
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$user->setHomeDirectory ($homeDirectory[0]);
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return $user;
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}
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// closes connection to server
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function close() {
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ldap_close($this->server);
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}
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// returns the LDAP connection handle
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function server() {
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return $this->server;
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}
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// closes connection to LDAP server before serialization
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function __sleep() {
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$this->close();
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return array("conf", "server", "username", "password");
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}
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// reconnects to LDAP server when deserialized
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function __wakeup() {
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$data = $this->decrypt();
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$this->connect($data[0], $data[1]);
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}
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// encrypts username and password
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// TODO: implement encryption algorithm
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function encrypt($username, $password) {
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$this->username = $username;
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$this->password = $password;
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}
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// decrypts username and password
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// TODO: implement encryption algorithm
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function decrypt() {
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$ret = array($this->username, $this->password);
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return $ret;
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}
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// closes connection to LDAP server and deletes encrypted username/password
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function destroy() {
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$this->close();
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$this->username="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
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$this->password="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
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// TODO: delete encryption key
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}
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}
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?>
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