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<?php
/* Copyright (C) 2007-2011 Laurent Destailleur <eldy@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* \file htdocs/core/login/functions_ldap.php
* \ingroup core
* \brief Authentication functions for LDAP
*/
/**
* Check validity of user/password/entity
* If test is ko, reason must be filled into $_SESSION["dol_loginmesg"]
*
* @param string $usertotest Login
* @param string $passwordtotest Password
* @param int $entitytotest Number of instance (always 1 if module multicompany not enabled)
* @return string Login if OK, '' if KO
*/
function check_user_password_ldap($usertotest, $passwordtotest, $entitytotest)
{
global $db,$conf,$langs;
global $_POST;
global $dolibarr_main_auth_ldap_host,$dolibarr_main_auth_ldap_port;
global $dolibarr_main_auth_ldap_version,$dolibarr_main_auth_ldap_servertype;
global $dolibarr_main_auth_ldap_login_attribute,$dolibarr_main_auth_ldap_dn;
global $dolibarr_main_auth_ldap_admin_login,$dolibarr_main_auth_ldap_admin_pass;
global $dolibarr_main_auth_ldap_filter;
global $dolibarr_main_auth_ldap_debug;
// Force master entity in transversal mode
$entity=$entitytotest;
if (! empty($conf->multicompany->enabled) && ! empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) $entity=1;
$login='';
$resultFetchUser='';
if (! function_exists("ldap_connect"))
{
dol_syslog("functions_ldap::check_user_password_ldap Authentification ko failed to connect to LDAP. LDAP functions are disabled on this PHP");
sleep(1);
// Load translation files required by the page
$langs->loadLangs(array('main', 'other'));
$_SESSION["dol_loginmesg"]=$langs->trans("ErrorLDAPFunctionsAreDisabledOnThisPHP").' '.$langs->trans("TryAnotherConnectionMode");
return;
}
if ($usertotest)
{
dol_syslog("functions_ldap::check_user_password_ldap usertotest=".$usertotest." passwordtotest=".preg_replace('/./', '*', $passwordtotest)." entitytotest=".$entitytotest);
// If test username/password asked, we define $test=false and $login var if ok, set $_SESSION["dol_loginmesg"] if ko
$ldaphost=$dolibarr_main_auth_ldap_host;
$ldapport=$dolibarr_main_auth_ldap_port;
$ldapversion=$dolibarr_main_auth_ldap_version;
$ldapservertype=(empty($dolibarr_main_auth_ldap_servertype) ? 'openldap' : $dolibarr_main_auth_ldap_servertype);
$ldapuserattr=$dolibarr_main_auth_ldap_login_attribute;
$ldapdn=$dolibarr_main_auth_ldap_dn;
$ldapadminlogin=$dolibarr_main_auth_ldap_admin_login;
$ldapadminpass=$dolibarr_main_auth_ldap_admin_pass;
$ldapdebug=(empty($dolibarr_main_auth_ldap_debug) || $dolibarr_main_auth_ldap_debug=="false" ? false : true);
if ($ldapdebug) print "DEBUG: Logging LDAP steps<br>\n";
require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
$ldap=new Ldap();
$ldap->server=explode(',', $ldaphost);
$ldap->serverPort=$ldapport;
$ldap->ldapProtocolVersion=$ldapversion;
$ldap->serverType=$ldapservertype;
$ldap->searchUser=$ldapadminlogin;
$ldap->searchPassword=$ldapadminpass;
if ($ldapdebug)
{
dol_syslog("functions_ldap::check_user_password_ldap Server:".join(',', $ldap->server).", Port:".$ldap->serverPort.", Protocol:".$ldap->ldapProtocolVersion.", Type:".$ldap->serverType);
dol_syslog("functions_ldap::check_user_password_ldap uid/samacountname=".$ldapuserattr.", dn=".$ldapdn.", Admin:".$ldap->searchUser.", Pass:".$ldap->searchPassword);
print "DEBUG: Server:".join(',', $ldap->server).", Port:".$ldap->serverPort.", Protocol:".$ldap->ldapProtocolVersion.", Type:".$ldap->serverType."<br>\n";
print "DEBUG: uid/samacountname=".$ldapuserattr.", dn=".$ldapdn.", Admin:".$ldap->searchUser.", Pass:".$ldap->searchPassword."<br>\n";
}
$resultFetchLdapUser=0;
// Define $userSearchFilter
$userSearchFilter = "";
if (empty($dolibarr_main_auth_ldap_filter)) {
$userSearchFilter = "(" . $ldapuserattr . "=" . $usertotest . ")";
} else {
$userSearchFilter = str_replace('%1%', $usertotest, $dolibarr_main_auth_ldap_filter);
}
// If admin login provided
// Code to get user in LDAP from an admin connection (may differ from user connection, done later)
if ($ldapadminlogin)
{
$result=$ldap->connect_bind();
if ($result > 0)
{
$resultFetchLdapUser = $ldap->fetch($usertotest, $userSearchFilter);
//dol_syslog('functions_ldap::check_user_password_ldap resultFetchLdapUser='.$resultFetchLdapUser);
if ($resultFetchLdapUser > 0 && $ldap->pwdlastset == 0) // If ok but password need to be reset
{
dol_syslog('functions_ldap::check_user_password_ldap '.$usertotest.' must change password next logon');
if ($ldapdebug) print "DEBUG: User ".$usertotest." must change password<br>\n";
$ldap->close();
sleep(1);
$langs->load('ldap');
$_SESSION["dol_loginmesg"]=$langs->trans("YouMustChangePassNextLogon", $usertotest, $ldap->domainFQDN);
return '';
}
}
else
{
if ($ldapdebug) print "DEBUG: ".$ldap->error."<br>\n";
}
$ldap->close();
}
// Forge LDAP user and password to test with them
// If LDAP need a dn with login like "uid=jbloggs,ou=People,dc=foo,dc=com", default dn may work even if previous code with
// admin login no exectued.
$ldap->searchUser=$ldapuserattr."=".$usertotest.",".$ldapdn; // Default dn (will work if LDAP accept a dn with login value inside)
// But if LDAP need a dn with name like "cn=Jhon Bloggs,ou=People,dc=foo,dc=com", previous part must have been executed to have
// dn detected into ldapUserDN.
if ($resultFetchLdapUser && !empty($ldap->ldapUserDN)) $ldap->searchUser = $ldap->ldapUserDN;
$ldap->searchPassword=$passwordtotest;
// Test with this->seachUser and this->searchPassword
//print $resultFetchLdapUser."-".$ldap->ldapUserDN."-".$ldap->searchUser.'-'.$ldap->searchPassword;exit;
$result=$ldap->connect_bind();
if ($result > 0)
{
if ($result == 2) // Connection is ok for user/pass into LDAP
{
dol_syslog("functions_ldap::check_user_password_ldap Authentification ok");
$login=$usertotest;
// ldap2dolibarr synchronisation
if ($login && ! empty($conf->ldap->enabled) && $conf->global->LDAP_SYNCHRO_ACTIVE == 'ldap2dolibarr') // ldap2dolibarr synchronisation
{
dol_syslog("functions_ldap::check_user_password_ldap Sync ldap2dolibarr");
// On charge les attributs du user ldap
if ($ldapdebug) print "DEBUG: login ldap = ".$login."<br>\n";
$resultFetchLdapUser = $ldap->fetch($login, $userSearchFilter);
if ($ldapdebug) print "DEBUG: UACF = ".join(',', $ldap->uacf)."<br>\n";
if ($ldapdebug) print "DEBUG: pwdLastSet = ".dol_print_date($ldap->pwdlastset, 'day')."<br>\n";
if ($ldapdebug) print "DEBUG: badPasswordTime = ".dol_print_date($ldap->badpwdtime, 'day')."<br>\n";
// On recherche le user dolibarr en fonction de son SID ldap
$sid = $ldap->getObjectSid($login);
if ($ldapdebug) print "DEBUG: sid = ".$sid."<br>\n";
$usertmp=new User($db);
$resultFetchUser=$usertmp->fetch('', $login, $sid);
if ($resultFetchUser > 0)
{
dol_syslog("functions_ldap::check_user_password_ldap Sync user found user id=".$usertmp->id);
// On verifie si le login a change et on met a jour les attributs dolibarr
if ($usertmp->login != $ldap->login && $ldap->login)
{
$usertmp->login = $ldap->login;
$usertmp->update($usertmp);
// TODO Que faire si update echoue car on update avec un login deja existant.
}
//$resultUpdate = $usertmp->update_ldap2dolibarr($ldap);
}
unset($usertmp);
}
if (! empty($conf->multicompany->enabled)) // We must check entity (even if sync is not active)
{
global $mc;
$usertmp=new User($db);
$usertmp->fetch('', $login);
$ret=$mc->checkRight($usertmp->id, $entitytotest);
if ($ret < 0)
{
dol_syslog("functions_ldap::check_user_password_ldap Authentification ko entity '".$entitytotest."' not allowed for user '".$usertmp->id."'");
$login=''; // force authentication failure
}
unset($usertmp);
}
}
if ($result == 1)
{
dol_syslog("functions_ldap::check_user_password_ldap Authentification ko bad user/password for '".$usertotest."'");
sleep(1);
// Load translation files required by the page
$langs->loadLangs(array('main', 'other'));
$_SESSION["dol_loginmesg"]=$langs->trans("ErrorBadLoginPassword");
}
}
else
{
/* Login failed. Return false, together with the error code and text from
** the LDAP server. The common error codes and reasons are listed below :
** (for iPlanet, other servers may differ)
** 19 - Account locked out (too many invalid login attempts)
** 32 - User does not exist
** 49 - Wrong password
** 53 - Account inactive (manually locked out by administrator)
*/
dol_syslog("functions_ldap::check_user_password_ldap Authentification ko failed to connect to LDAP for '".$usertotest."'");
if (is_resource($ldap->connection)) // If connection ok but bind ko
{
$ldap->ldapErrorCode = ldap_errno($ldap->connection);
$ldap->ldapErrorText = ldap_error($ldap->connection);
dol_syslog("functions_ldap::check_user_password_ldap ".$ldap->ldapErrorCode." ".$ldap->ldapErrorText);
}
sleep(2); // Anti brut force protection
// Load translation files required by the page
$langs->loadLangs(array('main', 'other', 'errors'));
;
$_SESSION["dol_loginmesg"]=($ldap->error?$ldap->error:$langs->trans("ErrorBadLoginPassword"));
}
$ldap->close();
}
return $login;
}