431 lines
11 KiB
PHP
431 lines
11 KiB
PHP
<?php
|
|
/**
|
|
* LDAP driver.
|
|
*
|
|
* Provides a subset of ADOdb commands, allowing read-only access to an LDAP database.
|
|
*
|
|
* This file is part of ADOdb, a Database Abstraction Layer library for PHP.
|
|
*
|
|
* @package ADOdb
|
|
* @link https://adodb.org Project's web site and documentation
|
|
* @link https://github.com/ADOdb/ADOdb Source code and issue tracker
|
|
*
|
|
* The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
|
|
* and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
|
|
* any later version. This means you can use it in proprietary products.
|
|
* See the LICENSE.md file distributed with this source code for details.
|
|
* @license BSD-3-Clause
|
|
* @license LGPL-2.1-or-later
|
|
*
|
|
* @copyright 2000-2013 John Lim
|
|
* @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
|
|
* @author Joshua Eldridge <joshuae74@hotmail.com>
|
|
*/
|
|
|
|
// security - hide paths
|
|
if (!defined('ADODB_DIR')) die();
|
|
|
|
if (!defined('LDAP_ASSOC')) {
|
|
define('LDAP_ASSOC',ADODB_FETCH_ASSOC);
|
|
define('LDAP_NUM',ADODB_FETCH_NUM);
|
|
define('LDAP_BOTH',ADODB_FETCH_BOTH);
|
|
}
|
|
|
|
class ADODB_ldap extends ADOConnection {
|
|
var $databaseType = 'ldap';
|
|
var $dataProvider = 'ldap';
|
|
|
|
# Connection information
|
|
var $username = false;
|
|
var $password = false;
|
|
|
|
# Used during searches
|
|
var $filter;
|
|
var $dn;
|
|
var $version;
|
|
var $port = 389;
|
|
|
|
# Options configuration information
|
|
var $LDAP_CONNECT_OPTIONS;
|
|
|
|
# error on binding, eg. "Binding: invalid credentials"
|
|
var $_bind_errmsg = "Binding: %s";
|
|
|
|
// returns true or false
|
|
|
|
function _connect( $host, $username, $password, $ldapbase)
|
|
{
|
|
global $LDAP_CONNECT_OPTIONS;
|
|
|
|
if ( !function_exists( 'ldap_connect' ) ) return null;
|
|
|
|
if (strpos($host,'ldap://') === 0 || strpos($host,'ldaps://') === 0) {
|
|
$this->_connectionID = @ldap_connect($host);
|
|
} else {
|
|
$conn_info = array( $host,$this->port);
|
|
|
|
if ( strstr( $host, ':' ) ) {
|
|
$conn_info = explode( ':', $host );
|
|
}
|
|
|
|
$this->_connectionID = @ldap_connect( $conn_info[0], $conn_info[1] );
|
|
}
|
|
if (!$this->_connectionID) {
|
|
$e = 'Could not connect to ' . $conn_info[0];
|
|
$this->_errorMsg = $e;
|
|
if ($this->debug) ADOConnection::outp($e);
|
|
return false;
|
|
}
|
|
if( count( $LDAP_CONNECT_OPTIONS ) > 0 ) {
|
|
$this->_inject_bind_options( $LDAP_CONNECT_OPTIONS );
|
|
}
|
|
|
|
if ($username) {
|
|
$bind = @ldap_bind( $this->_connectionID, $username, $password );
|
|
} else {
|
|
$username = 'anonymous';
|
|
$bind = @ldap_bind( $this->_connectionID );
|
|
}
|
|
|
|
if (!$bind) {
|
|
$e = sprintf($this->_bind_errmsg,ldap_error($this->_connectionID));
|
|
$this->_errorMsg = $e;
|
|
if ($this->debug) ADOConnection::outp($e);
|
|
return false;
|
|
}
|
|
$this->_errorMsg = '';
|
|
$this->database = $ldapbase;
|
|
return $this->_connectionID;
|
|
}
|
|
|
|
/*
|
|
Valid Domain Values for LDAP Options:
|
|
|
|
LDAP_OPT_DEREF (integer)
|
|
LDAP_OPT_SIZELIMIT (integer)
|
|
LDAP_OPT_TIMELIMIT (integer)
|
|
LDAP_OPT_PROTOCOL_VERSION (integer)
|
|
LDAP_OPT_ERROR_NUMBER (integer)
|
|
LDAP_OPT_REFERRALS (boolean)
|
|
LDAP_OPT_RESTART (boolean)
|
|
LDAP_OPT_HOST_NAME (string)
|
|
LDAP_OPT_ERROR_STRING (string)
|
|
LDAP_OPT_MATCHED_DN (string)
|
|
LDAP_OPT_SERVER_CONTROLS (array)
|
|
LDAP_OPT_CLIENT_CONTROLS (array)
|
|
|
|
Make sure to set this BEFORE calling Connect()
|
|
|
|
Example:
|
|
|
|
$LDAP_CONNECT_OPTIONS = Array(
|
|
Array (
|
|
"OPTION_NAME"=>LDAP_OPT_DEREF,
|
|
"OPTION_VALUE"=>2
|
|
),
|
|
Array (
|
|
"OPTION_NAME"=>LDAP_OPT_SIZELIMIT,
|
|
"OPTION_VALUE"=>100
|
|
),
|
|
Array (
|
|
"OPTION_NAME"=>LDAP_OPT_TIMELIMIT,
|
|
"OPTION_VALUE"=>30
|
|
),
|
|
Array (
|
|
"OPTION_NAME"=>LDAP_OPT_PROTOCOL_VERSION,
|
|
"OPTION_VALUE"=>3
|
|
),
|
|
Array (
|
|
"OPTION_NAME"=>LDAP_OPT_ERROR_NUMBER,
|
|
"OPTION_VALUE"=>13
|
|
),
|
|
Array (
|
|
"OPTION_NAME"=>LDAP_OPT_REFERRALS,
|
|
"OPTION_VALUE"=>FALSE
|
|
),
|
|
Array (
|
|
"OPTION_NAME"=>LDAP_OPT_RESTART,
|
|
"OPTION_VALUE"=>FALSE
|
|
)
|
|
);
|
|
*/
|
|
|
|
function _inject_bind_options( $options ) {
|
|
foreach( $options as $option ) {
|
|
ldap_set_option( $this->_connectionID, $option["OPTION_NAME"], $option["OPTION_VALUE"] )
|
|
or die( "Unable to set server option: " . $option["OPTION_NAME"] );
|
|
}
|
|
}
|
|
|
|
/* returns _queryID or false */
|
|
function _query($sql,$inputarr=false)
|
|
{
|
|
$rs = @ldap_search( $this->_connectionID, $this->database, $sql );
|
|
$this->_errorMsg = ($rs) ? '' : 'Search error on '.$sql.': '.ldap_error($this->_connectionID);
|
|
return $rs;
|
|
}
|
|
|
|
function ErrorMsg()
|
|
{
|
|
return $this->_errorMsg;
|
|
}
|
|
|
|
function ErrorNo()
|
|
{
|
|
return @ldap_errno($this->_connectionID);
|
|
}
|
|
|
|
/* closes the LDAP connection */
|
|
function _close()
|
|
{
|
|
@ldap_close( $this->_connectionID );
|
|
$this->_connectionID = false;
|
|
}
|
|
|
|
function SelectDB($db) {
|
|
$this->database = $db;
|
|
return true;
|
|
} // SelectDB
|
|
|
|
function ServerInfo()
|
|
{
|
|
if( !empty( $this->version ) ) {
|
|
return $this->version;
|
|
}
|
|
|
|
$version = array();
|
|
/*
|
|
Determines how aliases are handled during search.
|
|
LDAP_DEREF_NEVER (0x00)
|
|
LDAP_DEREF_SEARCHING (0x01)
|
|
LDAP_DEREF_FINDING (0x02)
|
|
LDAP_DEREF_ALWAYS (0x03)
|
|
The LDAP_DEREF_SEARCHING value means aliases are dereferenced during the search but
|
|
not when locating the base object of the search. The LDAP_DEREF_FINDING value means
|
|
aliases are dereferenced when locating the base object but not during the search.
|
|
Default: LDAP_DEREF_NEVER
|
|
*/
|
|
ldap_get_option( $this->_connectionID, LDAP_OPT_DEREF, $version['LDAP_OPT_DEREF'] ) ;
|
|
switch ( $version['LDAP_OPT_DEREF'] ) {
|
|
case 0:
|
|
$version['LDAP_OPT_DEREF'] = 'LDAP_DEREF_NEVER';
|
|
case 1:
|
|
$version['LDAP_OPT_DEREF'] = 'LDAP_DEREF_SEARCHING';
|
|
case 2:
|
|
$version['LDAP_OPT_DEREF'] = 'LDAP_DEREF_FINDING';
|
|
case 3:
|
|
$version['LDAP_OPT_DEREF'] = 'LDAP_DEREF_ALWAYS';
|
|
}
|
|
|
|
/*
|
|
A limit on the number of entries to return from a search.
|
|
LDAP_NO_LIMIT (0) means no limit.
|
|
Default: LDAP_NO_LIMIT
|
|
*/
|
|
ldap_get_option( $this->_connectionID, LDAP_OPT_SIZELIMIT, $version['LDAP_OPT_SIZELIMIT'] );
|
|
if ( $version['LDAP_OPT_SIZELIMIT'] == 0 ) {
|
|
$version['LDAP_OPT_SIZELIMIT'] = 'LDAP_NO_LIMIT';
|
|
}
|
|
|
|
/*
|
|
A limit on the number of seconds to spend on a search.
|
|
LDAP_NO_LIMIT (0) means no limit.
|
|
Default: LDAP_NO_LIMIT
|
|
*/
|
|
ldap_get_option( $this->_connectionID, LDAP_OPT_TIMELIMIT, $version['LDAP_OPT_TIMELIMIT'] );
|
|
if ( $version['LDAP_OPT_TIMELIMIT'] == 0 ) {
|
|
$version['LDAP_OPT_TIMELIMIT'] = 'LDAP_NO_LIMIT';
|
|
}
|
|
|
|
/*
|
|
Determines whether the LDAP library automatically follows referrals returned by LDAP servers or not.
|
|
LDAP_OPT_ON
|
|
LDAP_OPT_OFF
|
|
Default: ON
|
|
*/
|
|
ldap_get_option( $this->_connectionID, LDAP_OPT_REFERRALS, $version['LDAP_OPT_REFERRALS'] );
|
|
if ( $version['LDAP_OPT_REFERRALS'] == 0 ) {
|
|
$version['LDAP_OPT_REFERRALS'] = 'LDAP_OPT_OFF';
|
|
} else {
|
|
$version['LDAP_OPT_REFERRALS'] = 'LDAP_OPT_ON';
|
|
}
|
|
|
|
/*
|
|
Determines whether LDAP I/O operations are automatically restarted if they abort prematurely.
|
|
LDAP_OPT_ON
|
|
LDAP_OPT_OFF
|
|
Default: OFF
|
|
*/
|
|
ldap_get_option( $this->_connectionID, LDAP_OPT_RESTART, $version['LDAP_OPT_RESTART'] );
|
|
if ( $version['LDAP_OPT_RESTART'] == 0 ) {
|
|
$version['LDAP_OPT_RESTART'] = 'LDAP_OPT_OFF';
|
|
} else {
|
|
$version['LDAP_OPT_RESTART'] = 'LDAP_OPT_ON';
|
|
}
|
|
|
|
/*
|
|
This option indicates the version of the LDAP protocol used when communicating with the primary LDAP server.
|
|
LDAP_VERSION2 (2)
|
|
LDAP_VERSION3 (3)
|
|
Default: LDAP_VERSION2 (2)
|
|
*/
|
|
ldap_get_option( $this->_connectionID, LDAP_OPT_PROTOCOL_VERSION, $version['LDAP_OPT_PROTOCOL_VERSION'] );
|
|
if ( $version['LDAP_OPT_PROTOCOL_VERSION'] == 2 ) {
|
|
$version['LDAP_OPT_PROTOCOL_VERSION'] = 'LDAP_VERSION2';
|
|
} else {
|
|
$version['LDAP_OPT_PROTOCOL_VERSION'] = 'LDAP_VERSION3';
|
|
}
|
|
|
|
/* The host name (or list of hosts) for the primary LDAP server. */
|
|
ldap_get_option( $this->_connectionID, LDAP_OPT_HOST_NAME, $version['LDAP_OPT_HOST_NAME'] );
|
|
ldap_get_option( $this->_connectionID, LDAP_OPT_ERROR_NUMBER, $version['LDAP_OPT_ERROR_NUMBER'] );
|
|
ldap_get_option( $this->_connectionID, LDAP_OPT_ERROR_STRING, $version['LDAP_OPT_ERROR_STRING'] );
|
|
ldap_get_option( $this->_connectionID, LDAP_OPT_MATCHED_DN, $version['LDAP_OPT_MATCHED_DN'] );
|
|
|
|
return $this->version = $version;
|
|
}
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------------------
|
|
Class Name: Recordset
|
|
--------------------------------------------------------------------------------------*/
|
|
|
|
class ADORecordSet_ldap extends ADORecordSet{
|
|
|
|
var $databaseType = "ldap";
|
|
var $canSeek = false;
|
|
var $_entryID; /* keeps track of the entry resource identifier */
|
|
|
|
function __construct($queryID,$mode=false)
|
|
{
|
|
if ($mode === false) {
|
|
global $ADODB_FETCH_MODE;
|
|
$mode = $ADODB_FETCH_MODE;
|
|
}
|
|
switch ($mode)
|
|
{
|
|
case ADODB_FETCH_NUM:
|
|
$this->fetchMode = LDAP_NUM;
|
|
break;
|
|
case ADODB_FETCH_ASSOC:
|
|
$this->fetchMode = LDAP_ASSOC;
|
|
break;
|
|
case ADODB_FETCH_DEFAULT:
|
|
case ADODB_FETCH_BOTH:
|
|
default:
|
|
$this->fetchMode = LDAP_BOTH;
|
|
break;
|
|
}
|
|
|
|
parent::__construct($queryID);
|
|
}
|
|
|
|
function _initrs()
|
|
{
|
|
/*
|
|
This could be teaked to respect the $COUNTRECS directive from ADODB
|
|
It's currently being used in the _fetch() function and the
|
|
GetAssoc() function
|
|
*/
|
|
$this->_numOfRows = ldap_count_entries( $this->connection->_connectionID, $this->_queryID );
|
|
}
|
|
|
|
/*
|
|
Return whole recordset as a multi-dimensional associative array
|
|
*/
|
|
function GetAssoc($force_array = false, $first2cols = false, $fetchMode = -1)
|
|
{
|
|
$records = $this->_numOfRows;
|
|
$results = array();
|
|
for ( $i=0; $i < $records; $i++ ) {
|
|
foreach ( $this->fields as $k=>$v ) {
|
|
if ( is_array( $v ) ) {
|
|
if ( $v['count'] == 1 ) {
|
|
$results[$i][$k] = $v[0];
|
|
} else {
|
|
array_shift( $v );
|
|
$results[$i][$k] = $v;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $results;
|
|
}
|
|
|
|
function GetRowAssoc($upper = ADODB_ASSOC_CASE)
|
|
{
|
|
$results = array();
|
|
foreach ( $this->fields as $k=>$v ) {
|
|
if ( is_array( $v ) ) {
|
|
if ( $v['count'] == 1 ) {
|
|
$results[$k] = $v[0];
|
|
} else {
|
|
array_shift( $v );
|
|
$results[$k] = $v;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $results;
|
|
}
|
|
|
|
function GetRowNums()
|
|
{
|
|
$results = array();
|
|
foreach ( $this->fields as $k=>$v ) {
|
|
static $i = 0;
|
|
if (is_array( $v )) {
|
|
if ( $v['count'] == 1 ) {
|
|
$results[$i] = $v[0];
|
|
} else {
|
|
array_shift( $v );
|
|
$results[$i] = $v;
|
|
}
|
|
$i++;
|
|
}
|
|
}
|
|
return $results;
|
|
}
|
|
|
|
function _fetch()
|
|
{
|
|
if ( $this->_currentRow >= $this->_numOfRows && $this->_numOfRows >= 0 ) {
|
|
return false;
|
|
}
|
|
|
|
if ( $this->_currentRow == 0 ) {
|
|
$this->_entryID = ldap_first_entry( $this->connection->_connectionID, $this->_queryID );
|
|
} else {
|
|
$this->_entryID = ldap_next_entry( $this->connection->_connectionID, $this->_entryID );
|
|
}
|
|
|
|
$this->fields = ldap_get_attributes( $this->connection->_connectionID, $this->_entryID );
|
|
$this->_numOfFields = $this->fields['count'];
|
|
|
|
switch ( $this->fetchMode ) {
|
|
|
|
case LDAP_ASSOC:
|
|
$this->fields = $this->GetRowAssoc();
|
|
break;
|
|
|
|
case LDAP_NUM:
|
|
$this->fields = array_merge($this->GetRowNums(),$this->GetRowAssoc());
|
|
break;
|
|
|
|
case LDAP_BOTH:
|
|
default:
|
|
$this->fields = $this->GetRowNums();
|
|
break;
|
|
}
|
|
|
|
return is_array( $this->fields );
|
|
}
|
|
|
|
function _close() {
|
|
@ldap_free_result( $this->_queryID );
|
|
$this->_queryID = false;
|
|
}
|
|
|
|
}
|