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->assign("iePngWorkaround", $config->get_cfg_value("iePngWorkaround","false" ) == "true");
94 $smarty->assign("usePrototype", "false");
95 $smarty->display (get_template_path('headers.tpl'));
96 $smarty->assign("version",get_gosa_version());
97 $smarty->display(get_template_path('login.tpl'));
98 exit();
99 }
103 /*****************************************************************************
104 * M A I N *
105 *****************************************************************************/
107 /* Set error handler to own one, initialize time calculation
108 and start session. */
109 session::start();
110 session::set('errorsAlreadyPosted',array());
112 /* Destroy old session if exists.
113 Else you will get your old session back, if you not logged out correctly. */
114 if(is_array(session::get_all()) && count(session::get_all())){
115 session::destroy();
116 session::start();
117 }
119 $username= "";
121 /* Reset errors */
122 session::set('errors',"");
123 session::set('errorsAlreadyPosted',"");
124 session::set('LastError',"");
126 /* Check if we need to run setup */
127 if (!file_exists(CONFIG_DIR."/".CONFIG_FILE)){
128 header("location:setup.php");
129 exit();
130 }
132 /* Reset errors */
133 session::set('errors',"");
135 /* Check for java script */
136 if(isset($_POST['javascript']) && $_POST['javascript'] == "true") {
137 session::global_set('js',TRUE);
138 }elseif(isset($_POST['javascript'])) {
139 session::global_set('js',FALSE);
140 }
142 /* Check if gosa.conf (.CONFIG_FILE) is accessible */
143 if (!is_readable(CONFIG_DIR."/".CONFIG_FILE)){
144 msg_dialog::display(_("Configuration error"),sprintf(_("GOsa configuration %s/%s is not readable. Aborted."), CONFIG_DIR,CONFIG_FILE),FATAL_ERROR_DIALOG);
145 exit();
146 }
148 /* Parse configuration file */
149 $config= new config(CONFIG_DIR."/".CONFIG_FILE, $BASE_DIR);
150 session::global_set('DEBUGLEVEL',$config->get_cfg_value('DEBUGLEVEL'));
151 if ($_SERVER["REQUEST_METHOD"] != "POST"){
152 @DEBUG (DEBUG_CONFIG, __LINE__, __FUNCTION__, __FILE__, $config->data, "config");
153 }
155 /* Enable compressed output */
156 if ($config->get_cfg_value("sendCompressedOutput") != ""){
157 ob_start("ob_gzhandler");
158 }
160 /* Set template compile directory */
161 $smarty->compile_dir= $config->get_cfg_value("templateCompileDirectory", '/var/spool/gosa');
163 /* Check for compile directory */
164 if (!(is_dir($smarty->compile_dir) && is_writable($smarty->compile_dir))){
165 msg_dialog::display(_("Smarty error"),sprintf(_("Directory '%s' specified as compile directory is not accessible!"),
166 $smarty->compile_dir),FATAL_ERROR_DIALOG);
167 exit();
168 }
170 /* Check for old files in compile directory */
171 clean_smarty_compile_dir($smarty->compile_dir);
173 /* Language setup */
174 $lang= get_browser_language();
175 putenv("LANGUAGE=");
176 putenv("LANG=$lang");
177 setlocale(LC_ALL, $lang);
178 $GLOBALS['t_language']= $lang;
179 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
181 /* Set the text domain as 'messages' */
182 $domain = 'messages';
183 bindtextdomain($domain, LOCALE_DIR);
184 textdomain($domain);
185 $smarty->assign ('nextfield', 'username');
187 if ($_SERVER["REQUEST_METHOD"] != "POST"){
188 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
189 }
192 /* Check for SSL connection */
193 $ssl= "";
194 if (!isset($_SERVER['HTTPS']) ||
195 !stristr($_SERVER['HTTPS'], "on")) {
197 if (empty($_SERVER['REQUEST_URI'])) {
198 $ssl= "https://".$_SERVER['HTTP_HOST'].
199 $_SERVER['PATH_INFO'];
200 } else {
201 $ssl= "https://".$_SERVER['HTTP_HOST'].
202 $_SERVER['REQUEST_URI'];
203 }
204 }
206 /* If SSL is forced, just forward to the SSL enabled site */
207 if ($config->get_cfg_value("forcessl") == 'true' && $ssl != ''){
208 header ("Location: $ssl");
209 exit;
210 }
212 /* Do we have htaccess authentification enabled? */
213 $htaccess_authenticated= FALSE;
214 if ($config->get_cfg_value("htaccessAuthentication") == "true" ){
215 if (!isset($_SERVER['REMOTE_USER'])){
216 msg_dialog::display(_("Configuration error"), _("There is a problem with the authentication setup!"), FATAL_ERROR_DIALOG);
217 exit;
218 }
220 $tmp= process_htaccess($_SERVER['REMOTE_USER'], isset($_SERVER['KRB5CCNAME']));
221 $username= $tmp['username'];
222 $server= $tmp['server'];
223 if ($username == ""){
224 msg_dialog::display(_("Error"), _("Cannot find a valid user for the current authentication setup!"), FATAL_ERROR_DIALOG);
225 exit;
226 }
227 if ($server == ""){
228 msg_dialog::display(_("Error"), _("User information is not unique accross the configured LDAP trees!"), FATAL_ERROR_DIALOG);
229 exit;
230 }
232 $htaccess_authenticated= TRUE;
233 }
235 /* Got a formular answer, validate and try to log in */
236 if (($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['login'])) || $htaccess_authenticated){
238 /* Reset error messages */
239 $message= "";
241 /* Destroy old sessions, they cause a successfull login to relog again ...*/
242 if(session::global_is_set('_LAST_PAGE_REQUEST')){
243 session::global_set('_LAST_PAGE_REQUEST',time());
244 }
246 if (!$htaccess_authenticated){
247 $server= validate($_POST["server"]);
248 }
249 $config->set_current($server);
251 /* Admin-logon and verify */
252 $ldap = $config->get_ldap_link();
253 if (is_null($ldap) || (is_int($ldap) && $ldap == 0)){
254 msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, 0, get_class()));
255 displayLogin();
256 exit();
257 }
259 /* Check for schema file presence */
260 if ($config->get_cfg_value("schemaCheck") == "true"){
261 $recursive = ($config->get_cfg_value("ldapFollowReferrals") == "true");
262 $tls = ($config->get_cfg_value("ldapTLS") == "true");
264 if(!count($ldap->get_objectclasses())){
265 msg_dialog::display(_("LDAP error"), _("Cannot detect information about the installed LDAP schema!"), ERROR_DIALOG);
266 displayLogin();
267 exit() ;
268 }else{
269 $cfg = array();
270 $cfg['admin'] = $config->current['ADMINDN'];
271 $cfg['password'] = $config->current['ADMINPASSWORD'];
272 $cfg['connection']= $config->current['SERVER'];
273 $cfg['tls'] = $tls;
274 $str = check_schema($cfg, $config->get_cfg_value("rfc2307bis") == "true");
275 $checkarr = array();
276 foreach($str as $tr){
277 if(isset($tr['IS_MUST_HAVE']) && !$tr['STATUS']){
278 msg_dialog::display(_("LDAP error"), _("Your LDAP setup contains old schema definitions:")."<br><br><i>".$tr['MSG']."</i>", ERROR_DIALOG);
279 displayLogin();
280 exit();
281 }
282 }
283 }
284 }
286 /* Check for locking area */
287 $ldap->cat($config->get_cfg_value("config"), array("dn"));
288 $attrs= $ldap->fetch();
289 if (!count ($attrs)){
290 $ldap->cd($config->current['BASE']);
291 $ldap->create_missing_trees($config->get_cfg_value("config"));
292 }
294 /* Check for valid input */
295 $ok= true;
296 if (!$htaccess_authenticated){
297 $username= $_POST["username"];
298 if (!preg_match("/^[@A-Za-z0-9_.-]+$/", $username)){
299 $message= _("Please specify a valid username!");
300 $ok= false;
301 } elseif (mb_strlen($_POST["password"], 'UTF-8') == 0){
302 $message= _("Please specify your password!");
303 $smarty->assign ('nextfield', 'password');
304 $ok= false;
305 }
306 }
308 if ($ok) {
310 session::global_set('config',$config);
311 /* Login as user, initialize user ACL's */
312 if ($htaccess_authenticated){
313 $ui= ldap_login_user_htaccess($username);
314 if ($ui === NULL || !$ui){
315 msg_dialog::display(_("Authentication error"), _("Cannot retrieve user information for htaccess authentication!"), FATAL_ERROR_DIALOG);
316 exit;
317 }
318 } else {
319 $ui= ldap_login_user($username, $_POST["password"]);
320 }
321 if ($ui === NULL || !$ui){
322 $message= _("Please check the username/password combination.");
323 $smarty->assign ('nextfield', 'password');
324 new log("security","login","",array(),"Authentication failed for user \"$username\"");
325 } else {
326 /* Remove all locks of this user */
327 del_user_locks($ui->dn);
329 /* Save userinfo and plugin structure */
330 session::global_set('ui',$ui);
331 session::global_set('session_cnt',0);
333 /* Let GOsa trigger a new connection for each POST, save
334 config to session. */
335 $config->get_departments();
336 $config->make_idepartments();
337 session::global_set('config',$config);
339 /* Restore filter settings from cookie, if available */
340 if($config->get_cfg_value("storeFilterSettings") == "true"){
342 if(isset($_COOKIE['GOsa_Filter_Settings']) || isset($HTTP_COOKIE_VARS['GOsa_Filter_Settings'])){
344 if(isset($_COOKIE['GOsa_Filter_Settings'])){
345 $cookie_all = unserialize(base64_decode($_COOKIE['GOsa_Filter_Settings']));
346 }else{
347 $cookie_all = unserialize(base64_decode($HTTP_COOKIE_VARS['GOsa_Filter_Settings']));
348 }
349 if(isset($cookie_all[$ui->dn])){
350 $cookie = $cookie_all[$ui->dn];
351 $cookie_vars= array("MultiDialogFilters","CurrentMainBase","plug");
352 foreach($cookie_vars as $var){
353 if(isset($cookie[$var])){
354 session::global_set($var,$cookie[$var]);
355 }
356 }
357 if(isset($cookie['plug'])){
358 $plug =$cookie['plug'];
359 }
360 }
361 }
362 }
364 /* are we using accountexpiration */
365 if ($config->get_cfg_value("handleExpiredAccounts") == "true"){
366 $expired= ldap_expired_account($config, $ui->dn, $ui->username);
368 if ($expired == 1){
369 $message= _("Account locked. Please contact your system administrator!");
370 $smarty->assign ('nextfield', 'password');
371 new log("security","login","",array(),"Account for user \"$username\" has expired") ;
372 } elseif ($expired == 3){
373 $plist= new pluglist($config, $ui);
374 foreach ($plist->dirlist as $key => $value){
375 if (preg_match("/\bpassword\b/i",$value)){
376 $plug=$key;
377 new log("security","login","",array(),"User \"$username\" password forced to change") ;
378 header ("Location: main.php?plug=$plug&reset=1");
379 exit;
380 }
381 }
382 }
383 }
385 /* Not account expired or password forced change go to main page */
386 new log("security","login","",array(),"User \"$username\" logged in successfully") ;
387 $plist= new pluglist($config, $ui);
388 if(isset($plug) && isset($plist->dirlist[$plug])){
389 header ("Location: main.php?plug=".$plug."&global_check=1");
390 }else{
391 header ("Location: main.php?global_check=1");
392 }
393 exit;
394 }
395 }
396 }
398 /* Fill template with required values */
399 $smarty->assign ('date', gmdate("D, d M Y H:i:s"));
400 $smarty->assign ('username', $username);
401 $smarty->assign ('personal_img', get_template_path('images/login-head.png'));
402 $smarty->assign ('password_img', get_template_path('images/password.png'));
403 $smarty->assign ('directory_img', get_template_path('images/ldapserver.png'));
405 /* Some error to display? */
406 if (!isset($message)){
407 $message= "";
408 }
410 $smarty->assign ("message", $message);
412 /* Displasy SSL mode warning? */
413 if ($ssl != "" && $config->get_cfg_value('WARNSSL') == 'true'){
414 $smarty->assign ("ssl", "<b>"._("Warning").":<\/b> "._("Session will not be encrypted.")." <a style=\"color:red;\" href=\"$ssl\"><b>"._("Enter SSL session")."<\/b></a>!");
415 } else {
416 $smarty->assign ("ssl", "");
417 }
419 /* Translation of cookie-warning. Whether to display it, is determined by JavaScript */
420 $smarty->assign ("cookies", "<b>"._("Warning").":<\/b> "._("Your browser has cookies disabled. Please enable cookies and reload this page before logging in!"));
422 /* Generate server list */
423 $servers= array();
424 if (isset($_POST['server'])){
425 $selected= validate($_POST['server']);
426 } else {
427 $selected= $config->data['MAIN']['DEFAULT'];
428 }
429 foreach ($config->data['LOCATIONS'] as $key => $ignored){
430 $servers[$key]= $key;
431 }
432 $smarty->assign ("server_options", $servers);
433 $smarty->assign ("server_id", $selected);
435 /* show login screen */
436 $smarty->assign ("PHPSESSID", session_id());
437 if (session::is_set('errors')){
438 $smarty->assign("errors", session::get('errors'));
439 }
440 if ($error_collector != ""){
441 $smarty->assign("php_errors", preg_replace("/%BUGBODY%/",$error_collector_mailto,$error_collector)."</div>");
442 } else {
443 $smarty->assign("php_errors", "");
444 }
446 /* Set focus to the error button if we've an error message */
447 $focus= "";
448 if (session::is_set('errors') && session::get('errors') != ""){
449 $focus= '<script language="JavaScript" type="text/javascript">';
450 $focus.= 'document.forms[0].error_accept.focus();';
451 $focus.= '</script>';
452 }
453 $smarty->assign("focus", $focus);
454 displayLogin();
456 // vim:tabstop=2:expandtab:shiftwidth=2:softtabstop=2:filetype=php:syntax:ruler:
457 ?>
459 </body>
460 </html>