1 <?php
2 /*
3 * This code is part of GOsa (http://www.gosa-project.org)
4 * Copyright (C) 2003-2008 GONICUS GmbH
5 *
6 * ID: $$Id$$
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
23 /* Load required includes */
24 require_once ("../include/php_setup.inc");
25 require_once ("functions.inc");
26 require_once ("class_log.inc");
27 header("Content-type: text/html; charset=UTF-8");
30 /**
31 * Display the login page and exit().
32 *
33 */
34 function displayLogin()
35 {
36 global $smarty,$message,$config,$ssl,$error_collector;
37 error_reporting(E_ALL | E_STRICT);
38 /* Fill template with required values */
39 $username = "";
40 if(isset($_POST["username"])){
41 $username= $_POST["username"];
42 }
43 $smarty->assign ('date', gmdate("D, d M Y H:i:s"));
44 $smarty->assign ('username', $username);
45 $smarty->assign ('personal_img', get_template_path('images/login-head.png'));
46 $smarty->assign ('password_img', get_template_path('images/password.png'));
47 $smarty->assign ('directory_img', get_template_path('images/ldapserver.png'));
49 /* Some error to display? */
50 if (!isset($message)){
51 $message= "";
52 }
53 $smarty->assign ("message", $message);
55 /* Displasy SSL mode warning? */
56 if ($ssl != "" && $config->get_cfg_value('warnssl') == 'true'){
57 $smarty->assign ("ssl", _("Warning").": <a style=\"color:red;\" href=\"$ssl\">"._("Session is not encrypted!")."</a>");
58 } else {
59 $smarty->assign ("ssl", "");
60 }
62 if(!$config->check_session_lifetime()){
63 $smarty->assign ("lifetime", _("Warning").": ".
64 _("The session lifetime configured in your gosa.conf will be overridden by php.ini settings."));
65 }else{
66 $smarty->assign ("lifetime", "");
67 }
69 /* Generate server list */
70 $servers= array();
71 if (isset($_POST['server'])){
72 $selected= validate($_POST['server']);
73 } else {
74 $selected= $config->data['MAIN']['DEFAULT'];
75 }
76 foreach ($config->data['LOCATIONS'] as $key => $ignored){
77 $servers[$key]= $key;
78 }
79 $smarty->assign ("server_options", $servers);
80 $smarty->assign ("server_id", $selected);
82 /* show login screen */
83 $smarty->assign ("PHPSESSID", session_id());
84 if (session::is_set('errors')){
85 $smarty->assign("errors", session::get('errors'));
86 }
87 if ($error_collector != ""){
88 $smarty->assign("php_errors", $error_collector."</div>");
89 } else {
90 $smarty->assign("php_errors", "");
91 }
92 $smarty->assign("msg_dialogs", msg_dialog::get_dialogs());
93 $smarty->display (get_template_path('headers.tpl'));
94 $smarty->assign("version",get_gosa_version());
95 $smarty->display(get_template_path('login.tpl'));
96 exit();
97 }
101 /*****************************************************************************
102 * M A I N *
103 *****************************************************************************/
105 /* Set error handler to own one, initialize time calculation
106 and start session. */
107 session::start();
108 session::set('errorsAlreadyPosted',array());
110 /* Destroy old session if exists.
111 Else you will get your old session back, if you not logged out correctly. */
112 if(is_array(session::get_all()) && count(session::get_all())){
113 session::destroy();
114 session::start();
115 }
117 $username= "";
119 /* Reset errors */
120 session::set('errors',"");
121 session::set('errorsAlreadyPosted',"");
122 session::set('LastError',"");
124 /* Check if we need to run setup */
125 if (!file_exists(CONFIG_DIR."/".CONFIG_FILE)){
126 header("location:setup.php");
127 exit();
128 }
130 /* Reset errors */
131 session::set('errors',"");
133 /* Check for java script */
134 if(isset($_POST['javascript']) && $_POST['javascript'] == "true") {
135 session::set('js',TRUE);
136 }elseif(isset($_POST['javascript'])) {
137 session::set('js',FALSE);
138 }
140 /* Check if gosa.conf (.CONFIG_FILE) is accessible */
141 if (!is_readable(CONFIG_DIR."/".CONFIG_FILE)){
142 msg_dialog::display(_("Configuration error"),sprintf(_("GOsa configuration %s/%s is not readable. Aborted."), CONFIG_DIR,CONFIG_FILE),FATAL_ERROR_DIALOG);
143 exit();
144 }
146 /* Parse configuration file */
147 $config= new config(CONFIG_DIR."/".CONFIG_FILE, $BASE_DIR);
148 session::set('DEBUGLEVEL',$config->get_cfg_value('DEBUGLEVEL'));
149 if ($_SERVER["REQUEST_METHOD"] != "POST"){
150 @DEBUG (DEBUG_CONFIG, __LINE__, __FUNCTION__, __FILE__, $config->data, "config");
151 }
153 /* Enable compressed output */
154 if ($config->get_cfg_value("sendCompressedOutput") != ""){
155 ob_start("ob_gzhandler");
156 }
158 /* Set template compile directory */
159 $smarty->compile_dir= $config->get_cfg_value("templateCompileDirectory", '/var/spool/gosa');
161 /* Check for compile directory */
162 if (!(is_dir($smarty->compile_dir) && is_writable($smarty->compile_dir))){
163 msg_dialog::display(_("Smarty error"),sprintf(_("Directory '%s' specified as compile directory is not accessible!"),
164 $smarty->compile_dir),FATAL_ERROR_DIALOG);
165 exit();
166 }
168 /* Check for old files in compile directory */
169 clean_smarty_compile_dir($smarty->compile_dir);
171 /* Language setup */
172 $lang= get_browser_language();
173 putenv("LANGUAGE=");
174 putenv("LANG=$lang");
175 setlocale(LC_ALL, $lang);
176 $GLOBALS['t_language']= $lang;
177 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
179 /* Set the text domain as 'messages' */
180 $domain = 'messages';
181 bindtextdomain($domain, LOCALE_DIR);
182 textdomain($domain);
183 $smarty->assign ('nextfield', 'username');
185 if ($_SERVER["REQUEST_METHOD"] != "POST"){
186 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
187 }
190 /* Check for SSL connection */
191 $ssl= "";
192 if (!isset($_SERVER['HTTPS']) ||
193 !stristr($_SERVER['HTTPS'], "on")) {
195 if (empty($_SERVER['REQUEST_URI'])) {
196 $ssl= "https://".$_SERVER['HTTP_HOST'].
197 $_SERVER['PATH_INFO'];
198 } else {
199 $ssl= "https://".$_SERVER['HTTP_HOST'].
200 $_SERVER['REQUEST_URI'];
201 }
202 }
204 /* If SSL is forced, just forward to the SSL enabled site */
205 if ($config->get_cfg_value("forcessl") == 'true' && $ssl != ''){
206 header ("Location: $ssl");
207 exit;
208 }
210 /* Do we have htaccess authentification enabled? */
211 $htaccess_authenticated= FALSE;
212 if ($config->get_cfg_value("htaccessAuthentication") == "true" ){
213 if (!isset($_SERVER['REMOTE_USER'])){
214 msg_dialog::display(_("Configuration error"), _("There is a problem with the authentication setup!"), FATAL_ERROR_DIALOG);
215 exit;
216 }
218 $tmp= process_htaccess($_SERVER['REMOTE_USER'], isset($_SERVER['KRB5CCNAME']));
219 $username= $tmp['username'];
220 $server= $tmp['server'];
221 if ($username == ""){
222 msg_dialog::display(_("Error"), _("Cannot find a valid user for the current authentication setup!"), FATAL_ERROR_DIALOG);
223 exit;
224 }
225 if ($server == ""){
226 msg_dialog::display(_("Error"), _("User information is not unique accross the configured LDAP trees!"), FATAL_ERROR_DIALOG);
227 exit;
228 }
230 $htaccess_authenticated= TRUE;
231 }
233 /* Got a formular answer, validate and try to log in */
234 if (($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['login'])) || $htaccess_authenticated){
236 /* Reset error messages */
237 $message= "";
239 /* Destroy old sessions, they cause a successfull login to relog again ...*/
240 if(session::is_set('_LAST_PAGE_REQUEST')){
241 session::set('_LAST_PAGE_REQUEST',time());
242 }
244 if (!$htaccess_authenticated){
245 $server= validate($_POST["server"]);
246 }
247 $config->set_current($server);
249 /* Admin-logon and verify */
250 $ldap = $config->get_ldap_link();
251 if (is_null($ldap) || (is_int($ldap) && $ldap == 0)){
252 msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, 0, get_class()));
253 displayLogin();
254 exit();
255 }
257 /* Check for schema file presence */
258 #TODO: these three lines should go to the class_config.inc, shouldn't they?
259 if(!isset($config->data['MAIN']['SCHEMACHECK'])){
260 $config->data['MAIN']['SCHEMACHECK'] = "true";
261 }
262 if ($config->get_cfg_value("schemaCheck") == "true"){
263 $recursive = ($config->get_cfg_value("ldapFollowReferrals") == "true");
264 $tls = ($config->get_cfg_value("ldapTLS") == "true");
266 if(!count($ldap->get_objectclasses())){
267 msg_dialog::display(_("LDAP error"), _("Cannot detect information about the installed LDAP schema!"), ERROR_DIALOG);
268 displayLogin();
269 exit() ;
270 }else{
271 $cfg = array();
272 $cfg['admin'] = $config->current['ADMINDN'];
273 $cfg['password'] = $config->current['ADMINPASSWORD'];
274 $cfg['connection']= $config->current['SERVER'];
275 $cfg['tls'] = $tls;
276 $str = check_schema($cfg, $config->get_cfg_value("rfc2307bis") == "true");
277 $checkarr = array();
278 foreach($str as $tr){
279 if(isset($tr['IS_MUST_HAVE']) && !$tr['STATUS']){
280 msg_dialog::display(_("LDAP error"), _("Your LDAP setup contains old schema definitions:")."<br><br><i>".$tr['MSG']."</i>", ERROR_DIALOG);
281 displayLogin();
282 exit();
283 }
284 }
285 }
286 }
288 /* Check for locking area */
289 $ldap->cat($config->get_cfg_value("config"), array("dn"));
290 $attrs= $ldap->fetch();
291 if (!count ($attrs)){
292 $ldap->cd($config->current['BASE']);
293 $ldap->create_missing_trees($config->get_cfg_value("config"));
294 }
296 /* Check for valid input */
297 $ok= true;
298 if (!$htaccess_authenticated){
299 $username= $_POST["username"];
300 if (!ereg("^[@A-Za-z0-9_.-]+$", $username)){
301 $message= _("Please specify a valid username!");
302 $ok= false;
303 } elseif (mb_strlen($_POST["password"], 'UTF-8') == 0){
304 $message= _("Please specify your password!");
305 $smarty->assign ('nextfield', 'password');
306 $ok= false;
307 }
308 }
310 if ($ok) {
312 /* Login as user, initialize user ACL's */
313 if ($htaccess_authenticated){
314 $ui= ldap_login_user_htaccess($username);
315 if ($ui === NULL || !$ui){
316 msg_dialog::display(_("Authentication error"), _("Cannot retrieve user information for htaccess authentication!"), FATAL_ERROR_DIALOG);
317 exit;
318 }
319 } else {
320 $ui= ldap_login_user($username, $_POST["password"]);
321 }
322 if ($ui === NULL || !$ui){
323 $message= _("Please check the username/password combination.");
324 $smarty->assign ('nextfield', 'password');
325 new log("security","login","",array(),"Authentication failed for user \"$username\"") ;
326 } else {
327 /* Remove all locks of this user */
328 del_user_locks($ui->dn);
330 /* Save userinfo and plugin structure */
331 session::set('ui',$ui);
332 session::set('session_cnt',0);
334 /* Let GOsa trigger a new connection for each POST, save
335 config to session. */
336 $config->get_departments();
337 $config->make_idepartments();
338 session::set('config',$config);
340 /* Restore filter settings from cookie, if available */
341 if($config->get_cfg_value("storeFilterSettings") == "true"){
343 if(isset($_COOKIE['GOsa_Filter_Settings']) || isset($HTTP_COOKIE_VARS['GOsa_Filter_Settings'])){
345 if(isset($_COOKIE['GOsa_Filter_Settings'])){
346 $cookie_all = unserialize(base64_decode($_COOKIE['GOsa_Filter_Settings']));
347 }else{
348 $cookie_all = unserialize(base64_decode($HTTP_COOKIE_VARS['GOsa_Filter_Settings']));
349 }
350 if(isset($cookie_all[$ui->dn])){
351 $cookie = $cookie_all[$ui->dn];
352 $cookie_vars= array("MultiDialogFilters","CurrentMainBase","plug");
353 foreach($cookie_vars as $var){
354 if(isset($cookie[$var])){
355 session::set($var,$cookie[$var]);
356 }
357 }
358 if(isset($cookie['plug'])){
359 $plug =$cookie['plug'];
360 }
361 }
362 }
363 }
365 /* are we using accountexpiration */
366 if ($config->get_cfg_value("handleExpiredAccounts") == "true"){
367 $expired= ldap_expired_account($config, $ui->dn, $ui->username);
369 if ($expired == 1){
370 $message= _("Account locked. Please contact your system administrator!");
371 $smarty->assign ('nextfield', 'password');
372 new log("security","login","",array(),"Account for user \"$username\" has expired") ;
373 } elseif ($expired == 3){
374 $plist= new pluglist($config, $ui);
375 foreach ($plist->dirlist as $key => $value){
376 if (preg_match("/\bpassword\b/i",$value)){
377 $plug=$key;
378 new log("security","login","",array(),"User \"$username\" password forced to change") ;
379 header ("Location: main.php?plug=$plug&reset=1");
380 exit;
381 }
382 }
383 }
384 }
386 /* Not account expired or password forced change go to main page */
387 new log("security","login","",array(),"User \"$username\" logged in successfully") ;
388 $plist= new pluglist($config, $ui);
389 if(isset($plug) && isset($plist->dirlist[$plug])){
390 header ("Location: main.php?plug=".$plug."&global_check=1");
391 }else{
392 header ("Location: main.php?global_check=1");
393 }
394 exit;
395 }
396 }
397 }
399 /* Fill template with required values */
400 $smarty->assign ('date', gmdate("D, d M Y H:i:s"));
401 $smarty->assign ('username', $username);
402 $smarty->assign ('personal_img', get_template_path('images/login-head.png'));
403 $smarty->assign ('password_img', get_template_path('images/password.png'));
404 $smarty->assign ('directory_img', get_template_path('images/ldapserver.png'));
406 /* Some error to display? */
407 if (!isset($message)){
408 $message= "";
409 }
411 $smarty->assign ("message", $message);
413 /* Displasy SSL mode warning? */
414 if ($ssl != "" && $config->get_cfg_value('WARNSSL') == 'true'){
415 $smarty->assign ("ssl", "<b>"._("Warning").":<\/b> "._("Session will not be encrypted.")." <a style=\"color:red;\" href=\"$ssl\"><b>"._("Enter SSL session")."<\/b></a>!");
416 } else {
417 $smarty->assign ("ssl", "");
418 }
420 /* Translation of cookie-warning. Whether to display it, is determined by JavaScript */
421 $smarty->assign ("cookies", "<b>"._("Warning").":<\/b> "._("Your browser has cookies disabled. Please enable cookies and reload this page before logging in!"));
423 /* Generate server list */
424 $servers= array();
425 if (isset($_POST['server'])){
426 $selected= validate($_POST['server']);
427 } else {
428 $selected= $config->data['MAIN']['DEFAULT'];
429 }
430 foreach ($config->data['LOCATIONS'] as $key => $ignored){
431 $servers[$key]= $key;
432 }
433 $smarty->assign ("server_options", $servers);
434 $smarty->assign ("server_id", $selected);
436 /* show login screen */
437 $smarty->assign ("PHPSESSID", session_id());
438 if (session::is_set('errors')){
439 $smarty->assign("errors", session::get('errors'));
440 }
441 if ($error_collector != ""){
442 $smarty->assign("php_errors", preg_replace("/%BUGBODY%/",$error_collector_mailto,$error_collector)."</div>");
443 } else {
444 $smarty->assign("php_errors", "");
445 }
447 /* Set focus to the error button if we've an error message */
448 $focus= "";
449 if (session::is_set('errors') && session::get('errors') != ""){
450 $focus= '<script language="JavaScript" type="text/javascript">';
451 $focus.= 'document.forms[0].error_accept.focus();';
452 $focus.= '</script>';
453 }
454 $smarty->assign("focus", $focus);
455 displayLogin();
457 // vim:tabstop=2:expandtab:shiftwidth=2:softtabstop=2:filetype=php:syntax:ruler:
458 ?>
460 </body>
461 </html>