06fb9d3b7722da008eca5d9f83f16d6efb33892f
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, $BASE_DIR;
37 error_reporting(E_ALL | E_STRICT);
39 /* Check theme compatibility */
40 $theme= $config->get_cfg_value("core",'theme');
41 if (file_exists("$BASE_DIR/ihtml/themes/$theme/blacklist")) {
42 $blocks= file("$BASE_DIR/ihtml/themes/$theme/blacklist");
43 foreach ($blocks as $block) {
44 if (preg_match('/'.preg_quote($block).'/', $_SERVER['HTTP_USER_AGENT'])) {
45 die(sprintf(_("Your browser (%s) is blacklisted for the current theme!"), $block));
46 }
47 }
48 }
50 /* Fill template with required values */
51 $username = "";
52 if(isset($_POST["username"])) {
53 $username= $_POST["username"];
54 }
56 $smarty->assign ("title","GOsa");
57 $smarty->assign("logo", image(get_template_path("images/logo.png")));
58 $smarty->assign('date', gmdate("D, d M Y H:i:s"));
59 $smarty->assign('username', $username);
60 $smarty->assign('personal_img', get_template_path('images/login-head.png'));
61 $smarty->assign('password_img', get_template_path('images/password.png'));
62 $smarty->assign('directory_img', get_template_path('images/ldapserver.png'));
64 /* Some error to display? */
65 if (!isset($message)) {
66 $message= "";
67 }
68 $smarty->assign("message", $message);
70 /* Displasy SSL mode warning? */
71 if ($ssl != "" && $config->get_cfg_value("core",'warnSSL') == 'true') {
72 $smarty->assign("ssl", sprintf(_("This session is not ecrypted. Click %s to enter an encrypted session."), "<a href=\"$ssl\">".bold(_("here"))."</a>"));
73 } else {
74 $smarty->assign("ssl", "");
75 }
77 if(!$config->check_session_lifetime()) {
78 $smarty->assign ("lifetime", _("The configured session lifetime will be overridden by php.ini settings!"));
79 } else {
80 $smarty->assign ("lifetime", "");
81 }
83 /* Generate server list */
84 $servers= array();
85 if (isset($_POST['server'])) {
86 $selected= validate($_POST['server']);
87 } else {
88 $selected= $config->data['MAIN']['DEFAULT'];
89 }
90 foreach ($config->data['LOCATIONS'] as $key => $ignored) {
91 $servers[$key]= $key;
92 }
93 $smarty->assign ("server_options", $servers);
94 $smarty->assign ("server_id", $selected);
96 /* show login screen */
97 $smarty->assign ("PHPSESSID", session_id());
98 if (session::is_set('errors')) {
99 $smarty->assign("errors", session::get('errors'));
100 }
101 if ($error_collector != "") {
102 $smarty->assign("php_errors", $error_collector."</div>");
103 } else {
104 $smarty->assign("php_errors", "");
105 }
106 $smarty->assign("msg_dialogs", msg_dialog::get_dialogs());
108 $smarty->display (get_template_path('headers.tpl'));
109 $smarty->assign("version",get_gosa_version());
110 $smarty->display(get_template_path('login.tpl'));
111 exit();
112 }
116 /*****************************************************************************
117 * M A I N *
118 *****************************************************************************/
120 /* Set error handler to own one, initialize time calculation
121 and start session. */
122 session::start();
123 session::set('errorsAlreadyPosted',array());
125 /* Destroy old session if exists.
126 Else you will get your old session back, if you not logged out correctly. */
127 if(is_array(session::get_all()) && count(session::get_all())) {
128 session::destroy();
129 session::start();
130 }
132 $username= "";
134 /* Reset errors */
135 session::set('errors',"");
136 session::set('errorsAlreadyPosted',"");
137 session::set('LastError',"");
139 /* Check if we need to run setup */
140 if (!file_exists(CONFIG_DIR."/".CONFIG_FILE)) {
141 header("location:setup.php");
142 exit();
143 }
145 /* Reset errors */
146 session::set('errors',"");
148 /* Check for java script */
149 if(isset($_POST['javascript']) && $_POST['javascript'] == "true") {
150 session::global_set('js',TRUE);
151 }elseif(isset($_POST['javascript'])) {
152 session::global_set('js',FALSE);
153 }
155 /* Check if gosa.conf (.CONFIG_FILE) is accessible */
156 if (!is_readable(CONFIG_DIR."/".CONFIG_FILE)) {
157 msg_dialog::display(_("Configuration error"),sprintf(_("GOsa configuration %s/%s is not readable. Aborted."), CONFIG_DIR,CONFIG_FILE),FATAL_ERROR_DIALOG);
158 exit();
159 }
161 /* Parse configuration file */
162 $config= new config(CONFIG_DIR."/".CONFIG_FILE, $BASE_DIR);
163 session::global_set('debugLevel',$config->get_cfg_value("core",'debugLevel'));
164 if ($_SERVER["REQUEST_METHOD"] != "POST") {
165 @DEBUG (DEBUG_CONFIG, __LINE__, __FUNCTION__, __FILE__, $config->data, "config");
166 }
168 /* Enable compressed output */
169 if ($config->get_cfg_value("core","sendCompressedOutput") != "") {
170 ob_start("ob_gzhandler");
171 }
173 /* Set template compile directory */
174 $smarty->compile_dir= $config->get_cfg_value("core","templateCompileDirectory");
175 $smarty->error_unassigned= true;
177 /* Check for compile directory */
178 if (!(is_dir($smarty->compile_dir) && is_writable($smarty->compile_dir))) {
179 msg_dialog::display(_("Smarty error"),sprintf(_("Compile directory %s is not accessible!"),
180 $smarty->compile_dir),FATAL_ERROR_DIALOG);
181 exit();
182 }
184 /* Check for old files in compile directory */
185 clean_smarty_compile_dir($smarty->compile_dir);
187 /* Language setup */
188 $lang= get_browser_language();
189 putenv("LANGUAGE=");
190 putenv("LANG=$lang");
191 setlocale(LC_ALL, $lang);
192 $GLOBALS['t_language']= $lang;
193 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
195 /* Set the text domain as 'messages' */
196 $domain = 'messages';
197 bindtextdomain($domain, LOCALE_DIR);
198 textdomain($domain);
199 $smarty->assign ('nextfield', 'username');
201 /* Translation of cookie-warning. Whether to display it, is determined by JavaScript */
202 $smarty->assign ("cookies", _("Your browser has cookies disabled: please enable cookies and reload this page before logging in!"));
204 if ($_SERVER["REQUEST_METHOD"] != "POST") {
205 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
206 }
209 /* Check for SSL connection */
210 $ssl= "";
211 if (!isset($_SERVER['HTTPS']) ||
212 !stristr($_SERVER['HTTPS'], "on")) {
214 if (empty($_SERVER['REQUEST_URI'])) {
215 $ssl= "https://".$_SERVER['HTTP_HOST'].
216 $_SERVER['PATH_INFO'];
217 } else {
218 $ssl= "https://".$_SERVER['HTTP_HOST'].
219 $_SERVER['REQUEST_URI'];
220 }
221 }
223 /* If SSL is forced, just forward to the SSL enabled site */
224 if ($config->get_cfg_value("core","forceSSL") == 'true' && $ssl != '') {
225 header ("Location: $ssl");
226 exit;
227 }
229 /* Do we have htaccess authentification enabled? */
230 $htaccess_authenticated= FALSE;
231 if ($config->get_cfg_value("core","htaccessAuthentication") == "true" ) {
232 if (!isset($_SERVER['REMOTE_USER'])) {
233 msg_dialog::display(_("Configuration error"), _("Broken HTTP authentication setup!"), FATAL_ERROR_DIALOG);
234 exit;
235 }
237 $tmp= process_htaccess($_SERVER['REMOTE_USER'], isset($_SERVER['KRB5CCNAME']));
238 $username= $tmp['username'];
239 $server= $tmp['server'];
240 if ($username == "") {
241 msg_dialog::display(_("Error"), _("Cannot find a valid user for the current HTTP authentication!"), FATAL_ERROR_DIALOG);
242 exit;
243 }
244 if ($server == "") {
245 msg_dialog::display(_("Error"), _("Cannot find a unique user for the current HTTP authentication!"), FATAL_ERROR_DIALOG);
246 exit;
247 }
249 $htaccess_authenticated= TRUE;
250 }
252 /* Got a formular answer, validate and try to log in */
253 if (($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['login'])) || $htaccess_authenticated) {
255 /* Reset error messages */
256 $message= "";
258 /* Destroy old sessions, they cause a successfull login to relog again ...*/
259 if(session::global_is_set('_LAST_PAGE_REQUEST')) {
260 session::global_set('_LAST_PAGE_REQUEST',time());
261 }
263 if (!$htaccess_authenticated) {
264 $server= validate($_POST["server"]);
265 }
266 $config->set_current($server);
268 /* Admin-logon and verify */
269 $ldap = $config->get_ldap_link();
270 if (is_null($ldap) || (is_int($ldap) && $ldap == 0)) {
271 msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, 0, get_class()));
272 displayLogin();
273 exit();
274 }
276 /* Check for schema file presence */
277 if ($config->get_cfg_value("core","schemaCheck") == "true") {
278 $recursive = ($config->get_cfg_value("core","ldapFollowReferrals") == "true");
279 $tls = ($config->get_cfg_value("core","ldapTLS") == "true");
281 if(!count($ldap->get_objectclasses())) {
282 msg_dialog::display(_("LDAP error"), _("Cannot obtain information about the available LDAP schema!"), ERROR_DIALOG);
283 displayLogin();
284 exit() ;
285 }else{
286 $cfg = array();
287 $cfg['admin'] = $config->current['ADMINDN'];
288 $cfg['password'] = $config->current['ADMINPASSWORD'];
289 $cfg['connection']= $config->current['SERVER'];
290 $cfg['tls'] = $tls;
291 $str = check_schema($cfg, $config->get_cfg_value("core","rfc2307bis") == "true");
292 $checkarr = array();
293 foreach($str as $tr) {
294 if(isset($tr['IS_MUST_HAVE']) && !$tr['STATUS']) {
295 msg_dialog::display(_("LDAP error"), _("Your LDAP setup contains old schema definitions:")."<br><br>".$tr['MSG'], ERROR_DIALOG);
296 displayLogin();
297 exit();
298 }
299 }
300 }
301 }
303 /* Check for locking area */
304 $ldap->cat($config->get_cfg_value("core","config"), array("dn"));
305 $attrs= $ldap->fetch();
306 if (!count ($attrs)) {
307 $ldap->cd($config->current['BASE']);
308 $ldap->create_missing_trees($config->get_cfg_value("core","config"));
309 }
311 /* Check for valid input */
312 $ok= true;
313 if (!$htaccess_authenticated) {
314 $username= $_POST["username"];
315 if (!preg_match("/^[@A-Za-z0-9_.-]+$/", $username)) {
316 $message= _("Please specify a valid username!");
317 $ok= false;
318 } elseif (mb_strlen($_POST["password"], 'UTF-8') == 0) {
319 $message= _("Please specify your password!");
320 $smarty->assign ('nextfield', 'password');
321 $ok= false;
322 }
323 }
325 if ($ok) {
327 /* Login as user, initialize user ACL's */
328 if ($htaccess_authenticated) {
329 $ui= ldap_login_user_htaccess($username);
330 if ($ui === NULL || !$ui) {
331 msg_dialog::display(_("Authentication error"), _("Cannot retrieve user information for HTTP authentication!"), FATAL_ERROR_DIALOG);
332 exit;
333 }
334 } else {
335 $ui= ldap_login_user($username, $_POST["password"]);
336 }
337 if ($ui === NULL || !$ui) {
338 $message= _("Please check the username/password combination!");
339 $smarty->assign ('nextfield', 'password');
340 session::global_set('config',$config);
341 new log("security","login","",array(),"Authentication failed for user \"$username\"");
342 } else {
343 /* Remove all locks of this user */
344 del_user_locks($ui->dn);
346 /* Save userinfo and plugin structure */
347 session::global_set('ui',$ui);
348 session::global_set('session_cnt',0);
350 /* Let GOsa trigger a new connection for each POST, save
351 config to session. */
352 $config->get_departments();
353 $config->make_idepartments();
354 session::global_set('config',$config);
356 /* Restore filter settings from cookie, if available */
357 if($config->get_cfg_value("core","storeFilterSettings") == "true") {
359 if(isset($_COOKIE['GOsa_Filter_Settings']) || isset($HTTP_COOKIE_VARS['GOsa_Filter_Settings'])) {
361 if(isset($_COOKIE['GOsa_Filter_Settings'])) {
362 $cookie_all = unserialize(base64_decode($_COOKIE['GOsa_Filter_Settings']));
363 }else{
364 $cookie_all = unserialize(base64_decode($HTTP_COOKIE_VARS['GOsa_Filter_Settings']));
365 }
366 if(isset($cookie_all[$ui->dn])) {
367 $cookie = $cookie_all[$ui->dn];
368 $cookie_vars= array("MultiDialogFilters","CurrentMainBase","plug");
369 foreach($cookie_vars as $var) {
370 if(isset($cookie[$var])) {
371 session::global_set($var,$cookie[$var]);
372 }
373 }
374 if(isset($cookie['plug'])) {
375 $plug =$cookie['plug'];
376 }
377 }
378 }
379 }
381 /* are we using accountexpiration */
382 if ($config->get_cfg_value("core","handleExpiredAccounts") == "true") {
383 $expired= ldap_expired_account($config, $ui->dn, $ui->username);
385 if ($expired == 1) {
386 $message= _("Account locked. Please contact your system administrator!");
387 $smarty->assign ('nextfield', 'password');
388 new log("security","login","",array(),"Account for user \"$username\" has expired") ;
389 } elseif ($expired == 3) {
390 $plist= new pluglist($config, $ui);
391 foreach ($plist->dirlist as $key => $value) {
392 if (preg_match("/\bpassword\b/i",$value)) {
393 $plug=$key;
394 new log("security","login","",array(),"User \"$username\" password forced to change") ;
395 header ("Location: main.php?plug=$plug&reset=1");
396 exit;
397 }
398 }
399 }
400 }
402 /* Not account expired or password forced change go to main page */
403 new log("security","login","",array(),"User \"$username\" logged in successfully") ;
404 $plist= new pluglist($config, $ui);
405 if(isset($plug) && isset($plist->dirlist[$plug])) {
406 header ("Location: main.php?plug=".$plug."&global_check=1");
407 }else{
408 header ("Location: main.php?global_check=1");
409 }
410 exit;
411 }
412 }
413 }
415 /* Fill template with required values */
416 $smarty->assign ('date', gmdate("D, d M Y H:i:s"));
417 $smarty->assign ('username', $username);
418 $smarty->assign ('personal_img', get_template_path('images/login-head.png'));
419 $smarty->assign ('password_img', get_template_path('images/password.png'));
420 $smarty->assign ('directory_img', get_template_path('images/ldapserver.png'));
422 /* Some error to display? */
423 if (!isset($message)) {
424 $message= "";
425 }
427 $smarty->assign ("message", $message);
429 /* Generate server list */
430 $servers= array();
431 if (isset($_POST['server'])) {
432 $selected= validate($_POST['server']);
433 } else {
434 $selected= $config->data['MAIN']['DEFAULT'];
435 }
436 foreach ($config->data['LOCATIONS'] as $key => $ignored) {
437 $servers[$key]= $key;
438 }
439 $smarty->assign ("server_options", $servers);
440 $smarty->assign ("server_id", $selected);
442 /* show login screen */
443 $smarty->assign ("PHPSESSID", session_id());
444 if (session::is_set('errors')) {
445 $smarty->assign("errors", session::get('errors'));
446 }
447 if ($error_collector != "") {
448 $smarty->assign("php_errors", preg_replace("/%BUGBODY%/",$error_collector_mailto,$error_collector)."</div>");
449 } else {
450 $smarty->assign("php_errors", "");
451 }
453 /* Set focus to the error button if we've an error message */
454 $focus= "";
455 if (session::is_set('errors') && session::get('errors') != "") {
456 $focus= '<script language="JavaScript" type="text/javascript">';
457 $focus.= 'document.forms[0].error_accept.focus();';
458 $focus.= '</script>';
459 }
460 $smarty->assign("focus", $focus);
461 displayLogin();
463 // vim:tabstop=2:expandtab:shiftwidth=2:softtabstop=2:filetype=php:syntax:ruler:
464 ?>
466 </body>
467 </html>