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Refactor common parts of LdapAuthorization and LdapAuthentication plugins into a separate class 

LdapAuthorization should get a performance improvement as LDAP schema caching is now used
This commit is contained in:
Craig Andrews 2010-03-21 23:05:23 -04:00
parent c810f24851
commit 295e05ea39
4 changed files with 378 additions and 388 deletions
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277
plugins/LdapAuthentication/LdapAuthenticationPlugin.php
View File

@ -31,48 +31,25 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
require_once 'Net/LDAP2.php';
class LdapAuthenticationPlugin extends AuthenticationPlugin
{
public $host=null;
public $port=null;
public $version=null;
public $starttls=null;
public $binddn=null;
public $bindpw=null;
public $basedn=null;
public $options=null;
public $filter=null;
public $scope=null;
public $password_encoding=null;
public $attributes=array();
function onInitializePlugin(){
parent::onInitializePlugin();
if(!isset($this->host)){
throw new Exception("must specify a host");
}
if(!isset($this->basedn)){
throw new Exception("must specify a basedn");
}
if(!isset($this->attributes['nickname'])){
throw new Exception("must specify a nickname attribute");
}
if(!isset($this->attributes['username'])){
throw new Exception("must specify a username attribute");
}
if($this->password_changeable && (! isset($this->attributes['password']) || !isset($this->password_encoding))){
throw new Exception("if password_changeable is set, the password attribute and password_encoding must also be specified");
}
$this->ldapCommon = new LdapCommon(get_object_vars($this));
}
function onAutoload($cls)
{
switch ($cls)
{
case 'MemcacheSchemaCache':
require_once(INSTALLDIR.'/plugins/LdapAuthentication/MemcacheSchemaCache.php');
case 'LdapCommon':
require_once(INSTALLDIR.'/plugins/LdapCommon/LdapCommon.php');
return false;
}
}
@ -107,19 +84,7 @@ class LdapAuthenticationPlugin extends AuthenticationPlugin
function checkPassword($username, $password)
{
$entry = $this->ldap_get_user($username);
if(!$entry){
return false;
}else{
$config = $this->ldap_get_config();
$config['binddn']=$entry->dn();
$config['bindpw']=$password;
if($this->ldap_get_connection($config)){
return true;
}else{
return false;
}
}
return $this->ldapCommon->checkPassword($username);
}
function autoRegister($username, $nickname)
@ -127,7 +92,7 @@ class LdapAuthenticationPlugin extends AuthenticationPlugin
if(is_null($nickname)){
$nickname = $username;
}
$entry = $this->ldap_get_user($username,$this->attributes);
$entry = $this->ldapCommon->get_user($username,$this->attributes);
if($entry){
$registration_data = array();
foreach($this->attributes as $sn_attribute=>$ldap_attribute){
@ -148,40 +113,7 @@ class LdapAuthenticationPlugin extends AuthenticationPlugin
function changePassword($username,$oldpassword,$newpassword)
{
if(! isset($this->attributes['password']) || !isset($this->password_encoding)){
//throw new Exception(_('Sorry, changing LDAP passwords is not supported at this time'));
return false;
}
$entry = $this->ldap_get_user($username);
if(!$entry){
return false;
}else{
$config = $this->ldap_get_config();
$config['binddn']=$entry->dn();
$config['bindpw']=$oldpassword;
if($ldap = $this->ldap_get_connection($config)){
$entry = $this->ldap_get_user($username,array(),$ldap);
$newCryptedPassword = $this->hashPassword($newpassword, $this->password_encoding);
if ($newCryptedPassword===false) {
return false;
}
if($this->password_encoding=='ad') {
//TODO I believe this code will work once this bug is fixed: http://pear.php.net/bugs/bug.php?id=16796
$oldCryptedPassword = $this->hashPassword($oldpassword, $this->password_encoding);
$entry->delete( array($this->attributes['password'] => $oldCryptedPassword ));
}
$entry->replace( array($this->attributes['password'] => $newCryptedPassword ), true);
if( Net_LDAP2::isError($entry->upate()) ) {
return false;
}
return true;
}else{
return false;
}
}
return false;
return $this->ldapCommon->changePassword($username,$oldpassword,$newpassword);
}
function suggestNicknameForUsername($username)
@ -198,203 +130,6 @@ class LdapAuthenticationPlugin extends AuthenticationPlugin
}
return common_nicknamize($nickname);
}
//---utility functions---//
function ldap_get_config(){
$config = array();
$keys = array('host','port','version','starttls','binddn','bindpw','basedn','options','filter','scope');
foreach($keys as $key){
$value = $this->$key;
if($value!==null){
$config[$key]=$value;
}
}
return $config;
}
function ldap_get_connection($config = null){
if($config == null && isset($this->default_ldap)){
return $this->default_ldap;
}
//cannot use Net_LDAP2::connect() as StatusNet uses
//PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'handleError');
//PEAR handling can be overridden on instance objects, so we do that.
$ldap = new Net_LDAP2(isset($config)?$config:$this->ldap_get_config());
$ldap->setErrorHandling(PEAR_ERROR_RETURN);
$err=$ldap->bind();
if (Net_LDAP2::isError($err)) {
// if we were called with a config, assume caller will handle
// incorrect username/password (LDAP_INVALID_CREDENTIALS)
if (isset($config) && $err->getCode() == 0x31) {
return null;
}
throw new Exception('Could not connect to LDAP server: '.$err->getMessage());
}
if($config == null) $this->default_ldap=$ldap;
$c = common_memcache();
if (!empty($c)) {
$cacheObj = new MemcacheSchemaCache(
array('c'=>$c,
'cacheKey' => common_cache_key('ldap_schema:' . crc32(serialize($config)))));
$ldap->registerSchemaCache($cacheObj);
}
return $ldap;
}
/**
* get an LDAP entry for a user with a given username
*
* @param string $username
* $param array $attributes LDAP attributes to retrieve
* @return string DN
*/
function ldap_get_user($username,$attributes=array(),$ldap=null){
if($ldap==null) {
$ldap = $this->ldap_get_connection();
}
$filter = Net_LDAP2_Filter::create($this->attributes['username'], 'equals', $username);
$options = array(
'attributes' => $attributes
);
$search = $ldap->search($this->basedn, $filter, $options);
if (PEAR::isError($search)) {
common_log(LOG_WARNING, 'Error while getting DN for user: '.$search->getMessage());
return false;
}
$searchcount = $search->count();
if($searchcount == 0) {
return false;
}else if($searchcount == 1) {
$entry = $search->shiftEntry();
return $entry;
}else{
common_log(LOG_WARNING, 'Found ' . $searchcount . ' ldap user with the username: ' . $username);
return false;
}
}
/**
* Code originaly from the phpLDAPadmin development team
* http://phpldapadmin.sourceforge.net/
*
* Hashes a password and returns the hash based on the specified enc_type.
*
* @param string $passwordClear The password to hash in clear text.
* @param string $encodageType Standard LDAP encryption type which must be one of
* crypt, ext_des, md5crypt, blowfish, md5, sha, smd5, ssha, or clear.
* @return string The hashed password.
*
*/
function hashPassword( $passwordClear, $encodageType )
{
$encodageType = strtolower( $encodageType );
switch( $encodageType ) {
case 'crypt':
$cryptedPassword = '{CRYPT}' . crypt($passwordClear,$this->randomSalt(2));
break;
case 'ext_des':
// extended des crypt. see OpenBSD crypt man page.
if ( ! defined( 'CRYPT_EXT_DES' ) || CRYPT_EXT_DES == 0 ) {return FALSE;} //Your system crypt library does not support extended DES encryption.
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear, '_' . $this->randomSalt(8) );
break;
case 'md5crypt':
if( ! defined( 'CRYPT_MD5' ) || CRYPT_MD5 == 0 ) {return FALSE;} //Your system crypt library does not support md5crypt encryption.
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$1$' . $this->randomSalt(9) );
break;
case 'blowfish':
if( ! defined( 'CRYPT_BLOWFISH' ) || CRYPT_BLOWFISH == 0 ) {return FALSE;} //Your system crypt library does not support blowfish encryption.
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$2a$12$' . $this->randomSalt(13) ); // hardcoded to second blowfish version and set number of rounds
break;
case 'md5':
$cryptedPassword = '{MD5}' . base64_encode( pack( 'H*' , md5( $passwordClear) ) );
break;
case 'sha':
if( function_exists('sha1') ) {
// use php 4.3.0+ sha1 function, if it is available.
$cryptedPassword = '{SHA}' . base64_encode( pack( 'H*' , sha1( $passwordClear) ) );
} elseif( function_exists( 'mhash' ) ) {
$cryptedPassword = '{SHA}' . base64_encode( mhash( MHASH_SHA1, $passwordClear) );
} else {
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
}
break;
case 'ssha':
if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
mt_srand( (double) microtime() * 1000000 );
$salt = mhash_keygen_s2k( MHASH_SHA1, $passwordClear, substr( pack( "h*", md5( mt_rand() ) ), 0, 8 ), 4 );
$cryptedPassword = "{SSHA}".base64_encode( mhash( MHASH_SHA1, $passwordClear.$salt ).$salt );
} else {
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
}
break;
case 'smd5':
if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
mt_srand( (double) microtime() * 1000000 );
$salt = mhash_keygen_s2k( MHASH_MD5, $passwordClear, substr( pack( "h*", md5( mt_rand() ) ), 0, 8 ), 4 );
$cryptedPassword = "{SMD5}".base64_encode( mhash( MHASH_MD5, $passwordClear.$salt ).$salt );
} else {
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
}
break;
case 'ad':
$cryptedPassword = '';
$passwordClear = "\"" . $passwordClear . "\"";
$len = strlen($passwordClear);
for ($i = 0; $i < $len; $i++) {
$cryptedPassword .= "{$passwordClear{$i}}\000";
}
case 'clear':
default:
$cryptedPassword = $passwordClear;
}
return $cryptedPassword;
}
/**
* Code originaly from the phpLDAPadmin development team
* http://phpldapadmin.sourceforge.net/
*
* Used to generate a random salt for crypt-style passwords. Salt strings are used
* to make pre-built hash cracking dictionaries difficult to use as the hash algorithm uses
* not only the user's password but also a randomly generated string. The string is
* stored as the first N characters of the hash for reference of hashing algorithms later.
*
* --- added 20021125 by bayu irawan <bayuir@divnet.telkom.co.id> ---
* --- ammended 20030625 by S C Rigler <srigler@houston.rr.com> ---
*
* @param int $length The length of the salt string to generate.
* @return string The generated salt string.
*/
function randomSalt( $length )
{
$possible = '0123456789'.
'abcdefghijklmnopqrstuvwxyz'.
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.
'./';
$str = "";
mt_srand((double)microtime() * 1000000);
while( strlen( $str ) < $length )
$str .= substr( $possible, ( rand() % strlen( $possible ) ), 1 );
return $str;
}
function onPluginVersion(&$versions)
{

133
plugins/LdapAuthorization/LdapAuthorizationPlugin.php
View File

@ -31,41 +31,28 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
require_once 'Net/LDAP2.php';
class LdapAuthorizationPlugin extends AuthorizationPlugin
{
public $host=null;
public $port=null;
public $version=null;
public $starttls=null;
public $binddn=null;
public $bindpw=null;
public $basedn=null;
public $options=null;
public $filter=null;
public $scope=null;
public $provider_name = null;
public $uniqueMember_attribute = null;
public $roles_to_groups = array();
public $login_group = null;
public $attributes = array();
function onInitializePlugin(){
if(!isset($this->host)){
throw new Exception("must specify a host");
}
if(!isset($this->basedn)){
throw new Exception("must specify a basedn");
}
if(!isset($this->provider_name)){
throw new Exception("provider_name must be set. Use the provider_name from the LDAP Authentication plugin.");
}
if(!isset($this->uniqueMember_attribute)){
throw new Exception("uniqueMember_attribute must be set.");
}
if(!isset($this->attributes['username'])){
throw new Exception("username attribute must be set.");
$this->ldapCommon = new LdapCommon(get_object_vars($this));
}
function onAutoload($cls)
{
switch ($cls)
{
case 'LdapCommon':
require_once(INSTALLDIR.'/plugins/LdapCommon/LdapCommon.php');
return false;
}
}
@ -75,17 +62,17 @@ class LdapAuthorizationPlugin extends AuthorizationPlugin
$user_username->user_id=$user->id;
$user_username->provider_name=$this->provider_name;
if($user_username->find() && $user_username->fetch()){
$entry = $this->ldap_get_user($user_username->username);
$entry = $this->ldapCommon->get_user($user_username->username);
if($entry){
if(isset($this->login_group)){
if(is_array($this->login_group)){
foreach($this->login_group as $group){
if($this->ldap_is_dn_member_of_group($entry->dn(),$group)){
if($this->ldapCommon->is_dn_member_of_group($entry->dn(),$group)){
return true;
}
}
}else{
if($this->ldap_is_dn_member_of_group($entry->dn(),$this->login_group)){
if($this->ldapCommon->is_dn_member_of_group($entry->dn(),$this->login_group)){
return true;
}
}
@ -107,17 +94,17 @@ class LdapAuthorizationPlugin extends AuthorizationPlugin
$user_username->user_id=$profile->id;
$user_username->provider_name=$this->provider_name;
if($user_username->find() && $user_username->fetch()){
$entry = $this->ldap_get_user($user_username->username);
$entry = $this->ldapCommon->get_user($user_username->username);
if($entry){
if(isset($this->roles_to_groups[$name])){
if(is_array($this->roles_to_groups[$name])){
foreach($this->roles_to_groups[$name] as $group){
if($this->ldap_is_dn_member_of_group($entry->dn(),$group)){
if($this->ldapCommon->is_dn_member_of_group($entry->dn(),$group)){
return true;
}
}
}else{
if($this->ldap_is_dn_member_of_group($entry->dn(),$this->roles_to_groups[$name])){
if($this->ldapCommon->is_dn_member_of_group($entry->dn(),$this->roles_to_groups[$name])){
return true;
}
}
@ -127,94 +114,6 @@ class LdapAuthorizationPlugin extends AuthorizationPlugin
return false;
}
function ldap_is_dn_member_of_group($userDn, $groupDn)
{
$ldap = $this->ldap_get_connection();
$link = $ldap->getLink();
$r = @ldap_compare($link, $groupDn, $this->uniqueMember_attribute, $userDn);
if ($r === true){
return true;
}else if($r === false){
return false;
}else{
common_log(LOG_ERR, "LDAP error determining if userDn=$userDn is a member of groupDn=$groupDn using uniqueMember_attribute=$this->uniqueMember_attribute error: ".ldap_error($link));
return false;
}
}
function ldap_get_config(){
$config = array();
$keys = array('host','port','version','starttls','binddn','bindpw','basedn','options','filter','scope');
foreach($keys as $key){
$value = $this->$key;
if($value!==null){
$config[$key]=$value;
}
}
return $config;
}
//-----the below function were copied from LDAPAuthenticationPlugin. They will be moved to a utility class soon.----\\
function ldap_get_connection($config = null){
if($config == null && isset($this->default_ldap)){
return $this->default_ldap;
}
//cannot use Net_LDAP2::connect() as StatusNet uses
//PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'handleError');
//PEAR handling can be overridden on instance objects, so we do that.
$ldap = new Net_LDAP2(isset($config)?$config:$this->ldap_get_config());
$ldap->setErrorHandling(PEAR_ERROR_RETURN);
$err=$ldap->bind();
if (Net_LDAP2::isError($err)) {
// if we were called with a config, assume caller will handle
// incorrect username/password (LDAP_INVALID_CREDENTIALS)
if (isset($config) && $err->getCode() == 0x31) {
return null;
}
throw new Exception('Could not connect to LDAP server: '.$err->getMessage());
return false;
}
if($config == null) $this->default_ldap=$ldap;
return $ldap;
}
/**
* get an LDAP entry for a user with a given username
*
* @param string $username
* $param array $attributes LDAP attributes to retrieve
* @return string DN
*/
function ldap_get_user($username,$attributes=array(),$ldap=null){
if($ldap==null) {
$ldap = $this->ldap_get_connection();
}
if(! $ldap) {
throw new Exception("Could not connect to LDAP");
}
$filter = Net_LDAP2_Filter::create($this->attributes['username'], 'equals', $username);
$options = array(
'attributes' => $attributes
);
$search = $ldap->search(null,$filter,$options);
if (PEAR::isError($search)) {
common_log(LOG_WARNING, 'Error while getting DN for user: '.$search->getMessage());
return false;
}
if($search->count()==0){
return false;
}else if($search->count()==1){
$entry = $search->shiftEntry();
return $entry;
}else{
common_log(LOG_WARNING, 'Found ' . $search->count() . ' ldap user with the username: ' . $username);
return false;
}
}
function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'LDAP Authorization',

356
plugins/LdapCommon/LdapCommon.php Normal file
View File

@ -0,0 +1,356 @@
<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Utility class of LDAP functions
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Plugin
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @copyright 2009 Craig Andrews http://candrews.integralblue.com
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
class LdapCommon
{
protected static $ldap_connections = array();
public $host=null;
public $port=null;
public $version=null;
public $starttls=null;
public $binddn=null;
public $bindpw=null;
public $basedn=null;
public $options=null;
public $filter=null;
public $scope=null;
public $uniqueMember_attribute = null;
public $attributes=array();
public $password_encoding=null;
public function __construct($config)
{
Event::addHandler('Autoload',array($this,'onAutoload'));
foreach($config as $key=>$value) {
$this->$key = $value;
}
$this->ldap_config = $this->get_ldap_config();
if(!isset($this->host)){
throw new Exception("must specify a host");
}
if(!isset($this->basedn)){
throw new Exception("must specify a basedn");
}
if(!isset($this->attributes['username'])){
throw new Exception("username attribute must be set.");
}
}
function onAutoload($cls)
{
switch ($cls)
{
case 'MemcacheSchemaCache':
require_once(INSTALLDIR.'/plugins/LdapCommon/MemcacheSchemaCache.php');
return false;
case 'Net_LDAP2':
require_once 'Net/LDAP2.php';
return false;
}
}
function get_ldap_config(){
$config = array();
$keys = array('host','port','version','starttls','binddn','bindpw','basedn','options','filter','scope');
foreach($keys as $key){
$value = $this->$key;
if($value!==null){
$config[$key]=$value;
}
}
return $config;
}
function get_ldap_connection($config = null){
if($config == null) {
$config = $this->ldap_config;
}
$config_id = crc32(serialize($config));
$ldap = self::$ldap_connections[$config_id];
if(! isset($ldap)) {
//cannot use Net_LDAP2::connect() as StatusNet uses
//PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'handleError');
//PEAR handling can be overridden on instance objects, so we do that.
$ldap = new Net_LDAP2($config);
$ldap->setErrorHandling(PEAR_ERROR_RETURN);
$err=$ldap->bind();
if (Net_LDAP2::isError($err)) {
// if we were called with a config, assume caller will handle
// incorrect username/password (LDAP_INVALID_CREDENTIALS)
if (isset($config) && $err->getCode() == 0x31) {
throw new LdapInvalidCredentialsException('Could not connect to LDAP server: '.$err->getMessage());
}
throw new Exception('Could not connect to LDAP server: '.$err->getMessage());
}
$c = common_memcache();
if (!empty($c)) {
$cacheObj = new MemcacheSchemaCache(
array('c'=>$c,
'cacheKey' => common_cache_key('ldap_schema:' . $config_id)));
$ldap->registerSchemaCache($cacheObj);
}
self::$ldap_connections[$config_id] = $ldap;
}
return $ldap;
}
function checkPassword($username, $password)
{
$entry = $this->get_user($username);
if(!$entry){
return false;
}else{
$config = $this->get_ldap_config();
$config['binddn']=$entry->dn();
$config['bindpw']=$password;
try {
$this->get_ldap_connection($config);
} catch (LdapInvalidCredentialsException $e) {
return false;
}
return true;
}
}
function changePassword($username,$oldpassword,$newpassword)
{
if(! isset($this->attributes['password']) || !isset($this->password_encoding)){
//throw new Exception(_('Sorry, changing LDAP passwords is not supported at this time'));
return false;
}
$entry = $this->get_user($username);
if(!$entry){
return false;
}else{
$config = $this->get_ldap_config();
$config['binddn']=$entry->dn();
$config['bindpw']=$oldpassword;
try {
$ldap = $this->get_ldap_connection($config);
$entry = $this->get_user($username,array(),$ldap);
$newCryptedPassword = $this->hashPassword($newpassword, $this->password_encoding);
if ($newCryptedPassword===false) {
return false;
}
if($this->password_encoding=='ad') {
//TODO I believe this code will work once this bug is fixed: http://pear.php.net/bugs/bug.php?id=16796
$oldCryptedPassword = $this->hashPassword($oldpassword, $this->password_encoding);
$entry->delete( array($this->attributes['password'] => $oldCryptedPassword ));
}
$entry->replace( array($this->attributes['password'] => $newCryptedPassword ), true);
if( Net_LDAP2::isError($entry->upate()) ) {
return false;
}
return true;
} catch (LdapInvalidCredentialsException $e) {
return false;
}
}
return false;
}
function is_dn_member_of_group($userDn, $groupDn)
{
$ldap = $this->get_ldap_connection();
$link = $ldap->getLink();
$r = @ldap_compare($link, $groupDn, $this->uniqueMember_attribute, $userDn);
if ($r === true){
return true;
}else if($r === false){
return false;
}else{
common_log(LOG_ERR, "LDAP error determining if userDn=$userDn is a member of groupDn=$groupDn using uniqueMember_attribute=$this->uniqueMember_attribute error: ".ldap_error($link));
return false;
}
}
/**
* get an LDAP entry for a user with a given username
*
* @param string $username
* $param array $attributes LDAP attributes to retrieve
* @return string DN
*/
function get_user($username,$attributes=array()){
$ldap = $this->get_ldap_connection();
$filter = Net_LDAP2_Filter::create($this->attributes['username'], 'equals', $username);
$options = array(
'attributes' => $attributes
);
$search = $ldap->search(null,$filter,$options);
if (PEAR::isError($search)) {
common_log(LOG_WARNING, 'Error while getting DN for user: '.$search->getMessage());
return false;
}
if($search->count()==0){
return false;
}else if($search->count()==1){
$entry = $search->shiftEntry();
return $entry;
}else{
common_log(LOG_WARNING, 'Found ' . $search->count() . ' ldap user with the username: ' . $username);
return false;
}
}
/**
* Code originaly from the phpLDAPadmin development team
* http://phpldapadmin.sourceforge.net/
*
* Hashes a password and returns the hash based on the specified enc_type.
*
* @param string $passwordClear The password to hash in clear text.
* @param string $encodageType Standard LDAP encryption type which must be one of
* crypt, ext_des, md5crypt, blowfish, md5, sha, smd5, ssha, or clear.
* @return string The hashed password.
*
*/
function hashPassword( $passwordClear, $encodageType )
{
$encodageType = strtolower( $encodageType );
switch( $encodageType ) {
case 'crypt':
$cryptedPassword = '{CRYPT}' . crypt($passwordClear,$this->randomSalt(2));
break;
case 'ext_des':
// extended des crypt. see OpenBSD crypt man page.
if ( ! defined( 'CRYPT_EXT_DES' ) || CRYPT_EXT_DES == 0 ) {return FALSE;} //Your system crypt library does not support extended DES encryption.
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear, '_' . $this->randomSalt(8) );
break;
case 'md5crypt':
if( ! defined( 'CRYPT_MD5' ) || CRYPT_MD5 == 0 ) {return FALSE;} //Your system crypt library does not support md5crypt encryption.
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$1$' . $this->randomSalt(9) );
break;
case 'blowfish':
if( ! defined( 'CRYPT_BLOWFISH' ) || CRYPT_BLOWFISH == 0 ) {return FALSE;} //Your system crypt library does not support blowfish encryption.
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$2a$12$' . $this->randomSalt(13) ); // hardcoded to second blowfish version and set number of rounds
break;
case 'md5':
$cryptedPassword = '{MD5}' . base64_encode( pack( 'H*' , md5( $passwordClear) ) );
break;
case 'sha':
if( function_exists('sha1') ) {
// use php 4.3.0+ sha1 function, if it is available.
$cryptedPassword = '{SHA}' . base64_encode( pack( 'H*' , sha1( $passwordClear) ) );
} elseif( function_exists( 'mhash' ) ) {
$cryptedPassword = '{SHA}' . base64_encode( mhash( MHASH_SHA1, $passwordClear) );
} else {
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
}
break;
case 'ssha':
if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
mt_srand( (double) microtime() * 1000000 );
$salt = mhash_keygen_s2k( MHASH_SHA1, $passwordClear, substr( pack( "h*", md5( mt_rand() ) ), 0, 8 ), 4 );
$cryptedPassword = "{SSHA}".base64_encode( mhash( MHASH_SHA1, $passwordClear.$salt ).$salt );
} else {
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
}
break;
case 'smd5':
if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
mt_srand( (double) microtime() * 1000000 );
$salt = mhash_keygen_s2k( MHASH_MD5, $passwordClear, substr( pack( "h*", md5( mt_rand() ) ), 0, 8 ), 4 );
$cryptedPassword = "{SMD5}".base64_encode( mhash( MHASH_MD5, $passwordClear.$salt ).$salt );
} else {
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
}
break;
case 'ad':
$cryptedPassword = '';
$passwordClear = "\"" . $passwordClear . "\"";
$len = strlen($passwordClear);
for ($i = 0; $i < $len; $i++) {
$cryptedPassword .= "{$passwordClear{$i}}\000";
}
case 'clear':
default:
$cryptedPassword = $passwordClear;
}
return $cryptedPassword;
}
/**
* Code originaly from the phpLDAPadmin development team
* http://phpldapadmin.sourceforge.net/
*
* Used to generate a random salt for crypt-style passwords. Salt strings are used
* to make pre-built hash cracking dictionaries difficult to use as the hash algorithm uses
* not only the user's password but also a randomly generated string. The string is
* stored as the first N characters of the hash for reference of hashing algorithms later.
*
* --- added 20021125 by bayu irawan <bayuir@divnet.telkom.co.id> ---
* --- ammended 20030625 by S C Rigler <srigler@houston.rr.com> ---
*
* @param int $length The length of the salt string to generate.
* @return string The generated salt string.
*/
function randomSalt( $length )
{
$possible = '0123456789'.
'abcdefghijklmnopqrstuvwxyz'.
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.
'./';
$str = "";
mt_srand((double)microtime() * 1000000);
while( strlen( $str ) < $length )
$str .= substr( $possible, ( rand() % strlen( $possible ) ), 1 );
return $str;
}
}
class LdapInvalidCredentialsException extends Exception
{
}

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plugins/LdapAuthentication/MemcacheSchemaCache.php → plugins/LdapCommon/MemcacheSchemaCache.php
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