1 <?php
2 /*
3 This code is part of GOsa (https://gosa.gonicus.de)
4 Copyright (C) 2003-2005 Cajus Pollmeier
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
21 /* Load required includes */
22 require_once ("../include/php_setup.inc");
23 require_once ("functions.inc");
24 require_once ("class_log.inc");
25 header("Content-type: text/html; charset=UTF-8");
27 function displayLogin()
28 {
29 global $smarty,$message,$config,$ssl,$error_collector;
30 error_reporting(E_ALL | E_STRICT);
31 /* Fill template with required values */
32 $username = "";
33 if(isset($_POST["username"])){
34 $username= $_POST["username"];
35 }
36 $smarty->assign ('date', gmdate("D, d M Y H:i:s"));
37 $smarty->assign ('username', $username);
38 $smarty->assign ('personal_img', get_template_path('images/personal.png'));
39 $smarty->assign ('password_img', get_template_path('images/password.png'));
40 $smarty->assign ('directory_img', get_template_path('images/ldapserver.png'));
42 /* Some error to display? */
43 if (!isset($message)){
44 $message= "";
45 }
46 $smarty->assign ("message", $message);
48 /* Displasy SSL mode warning? */
49 if ($ssl != "" && $config->data['MAIN']['WARNSSL'] == 'true'){
50 $smarty->assign ("ssl", _("Warning").": <a style=\"color:red;\" href=\"$ssl\">"._("Session is not encrypted!")."</a>");
51 } else {
52 $smarty->assign ("ssl", "");
53 }
55 if(!$config->check_session_lifetime()){
56 $smarty->assign ("lifetime", _("Warning").": ".
57 _("The session lifetime configured in your gosa.conf will be overridden by php.ini settings."));
58 }else{
59 $smarty->assign ("lifetime", "");
60 }
62 /* Generate server list */
63 $servers= array();
64 if (isset($_POST['server'])){
65 $selected= validate($_POST['server']);
66 } else {
67 $selected= $config->data['MAIN']['DEFAULT'];
68 }
69 foreach ($config->data['LOCATIONS'] as $key => $ignored){
70 $servers[$key]= $key;
71 }
72 $smarty->assign ("server_options", $servers);
73 $smarty->assign ("server_id", $selected);
75 /* show login screen */
76 $smarty->assign ("PHPSESSID", session_id());
77 if (isset($_SESSION['errors'])){
78 $smarty->assign("errors", $_SESSION['errors']);
79 }
80 if ($error_collector != ""){
81 $smarty->assign("php_errors", $error_collector."</div>");
82 } else {
83 $smarty->assign("php_errors", "");
84 }
86 $smarty->display (get_template_path('headers.tpl'));
87 $smarty->display(get_template_path('login.tpl'));
88 exit();
89 }
93 /* Set error handler to own one, initialize time calculation
94 and start session. */
95 session_start ();
97 /* Destroy old session if exists.
98 Else you will get your old session back, if you not logged out correctly. */
99 if(is_array($_SESSION) && count($_SESSION)){
100 session_destroy();
101 session_start();
102 }
104 $username= "";
106 /* Reset errors */
107 $_SESSION['errors'] = "";
108 $_SESSION['errorsAlreadyPosted']= array();
109 $_SESSION['LastError'] = "";
111 /* Check if we need to run setup */
112 if (!file_exists(CONFIG_DIR."/".CONFIG_FILE)){
113 header("location:setup.php");
114 exit();
115 }
117 /* Reset errors */
118 $_SESSION['errors']= "";
120 /* Check for java script */
121 if(isset($_POST['javascript']) && $_POST['javascript'] == "true") {
122 $_SESSION['js']= TRUE;
123 }elseif(isset($_POST['javascript'])) {
124 $_SESSION['js']= FALSE;
125 }
127 /* Check if gosa.conf (.CONFIG_FILE) is accessible */
128 if (!is_readable(CONFIG_DIR."/".CONFIG_FILE)){
129 msg_dialog::display(_("Configuration accessibility"),sprintf(_("GOsa configuration %s/%s is not readable. Aborted."), CONFIG_DIR,CONFIG_FILE),FATAL_ERROR_DIALOG);
130 exit();
131 }
133 /* Parse configuration file */
134 $config= new config(CONFIG_DIR."/".CONFIG_FILE, $BASE_DIR);
135 $_SESSION['DEBUGLEVEL']= $config->data['MAIN']['DEBUGLEVEL'];
136 if ($_SERVER["REQUEST_METHOD"] != "POST"){
137 @DEBUG (DEBUG_CONFIG, __LINE__, __FUNCTION__, __FILE__, $config->data, "config");
138 }
140 /* Enable compressed output */
141 if (isset($config->data['MAIN']['COMPRESSED']) && preg_match('/^(true|on)$/i', $config->data['MAIN']['COMPRESSED'])){
142 ob_start("ob_gzhandler");
143 }
145 /* Set template compile directory */
146 if (isset ($config->data['MAIN']['COMPILE'])){
147 $smarty->compile_dir= $config->data['MAIN']['COMPILE'];
148 } else {
149 $smarty->compile_dir= '/var/spool/gosa';
150 }
151 $smarty->assign ('nextfield', 'username');
153 /* Check for compile directory */
154 if (!(is_dir($smarty->compile_dir) && is_writable($smarty->compile_dir))){
155 msg_dialog::display(_("Smarty"),sprintf(_("Directory '%s' specified as compile directory is not accessible!"),
156 $smarty->compile_dir),FATAL_ERROR_DIALOG);
157 exit();
158 }
160 /* Check for old files in compile directory */
161 clean_smarty_compile_dir($smarty->compile_dir);
163 /* Language setup */
164 $lang= get_browser_language();
165 putenv("LANGUAGE=");
166 putenv("LANG=$lang");
167 setlocale(LC_ALL, $lang);
168 $GLOBALS['t_language']= $lang;
169 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
171 /* Set the text domain as 'messages' */
172 $domain = 'messages';
173 bindtextdomain($domain, "$BASE_DIR/locale");
174 textdomain($domain);
177 if ($_SERVER["REQUEST_METHOD"] != "POST"){
178 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
179 }
182 /* Check for SSL connection */
183 $ssl= "";
184 if (!isset($_SERVER['HTTPS']) ||
185 !stristr($_SERVER['HTTPS'], "on")) {
187 if (empty($_SERVER['REQUEST_URI'])) {
188 $ssl= "https://".$_SERVER['HTTP_HOST'].
189 $_SERVER['PATH_INFO'];
190 } else {
191 $ssl= "https://".$_SERVER['HTTP_HOST'].
192 $_SERVER['REQUEST_URI'];
193 }
194 }
196 /* If SSL is forced, just forward to the SSL enabled site */
197 if ($config->data['MAIN']['FORCESSL'] == 'true' && $ssl != ''){
198 header ("Location: $ssl");
199 exit;
200 }
202 /* Got a formular answer, validate and try to log in */
203 if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['login'])){
205 /* Reset error messages */
206 $message= "";
208 /* Destroy old sessions, they cause a successfull login to relog again ...*/
209 if(isset($_SESSION['_LAST_PAGE_REQUEST'])){
210 $_SESSION['_LAST_PAGE_REQUEST'] = time();
211 }
213 $server= validate($_POST["server"]);
214 $config->set_current($server);
216 /* Admin-logon and verify */
217 $ldap = $config->get_ldap_link();
218 if (is_null($ldap) || (is_int($ldap) && $ldap == 0)){
219 print_red (_("Can't bind to LDAP. Please contact the system administrator."));
220 displayLogin();
221 exit();
222 }
224 /* Check for schema file presence */
225 if(!isset($config->data['MAIN']['SCHEMA_CHECK'])){
226 $config->data['MAIN']['SCHEMA_CHECK'] = "true";
227 }
228 if(isset($config->data['MAIN']['SCHEMA_CHECK'])&&preg_match("/true/i",$config->data['MAIN']['SCHEMA_CHECK'])){
229 $recursive = (isset($config->current['RECURSIVE']) && $config->current['RECURSIVE'] == "true");
230 $tls = (isset($config->current['TLS']) && $config->current['TLS'] == "true");
232 if(!count($ldap->get_objectclasses())){
233 print_red(_("GOsa cannot retrieve information about the installed schema files. Please make sure, that this is possible."));
234 displayLogin();
235 exit() ;
236 }else{
237 $cfg = array();
238 $cfg['admin'] = $config->current['ADMIN'];
239 $cfg['password'] = $config->current['PASSWORD'];
240 $cfg['connection']= $config->current['SERVER'];
241 $cfg['tls'] = $tls;
242 $str = check_schema($cfg,isset($config->current['RFC2307BIS']) && preg_match("/(true|yes|on|1)/i",$config->current['RFC2307BIS']));
243 $checkarr = array();
244 foreach($str as $tr){
245 if(isset($tr['IS_MUST_HAVE']) && !$tr['STATUS']){
246 print_red($tr['MSG']."<br>"._("Your ldap setup contains old schema definitions. Please re-run the setup."));
247 displayLogin();
248 exit();
249 }
250 }
251 }
252 }
253 /* Check for locking area */
254 $ldap->cat($config->current['CONFIG'], array("dn"));
255 $attrs= $ldap->fetch();
256 if (!count ($attrs)){
257 $ldap->cd($config->current['BASE']);
258 $ldap->create_missing_trees($config->current['CONFIG']);
259 }
261 /* Check for valid input */
262 $username= $_POST["username"];
263 if (!ereg("^[@A-Za-z0-9_.-]+$", $username)){
264 $message= _("Please specify a valid username!");
265 } elseif (mb_strlen($_POST["password"], 'UTF-8') == 0){
266 $message= _("Please specify your password!");
267 $smarty->assign ('nextfield', 'password');
268 } else {
270 /* Login as user, initialize user ACL's */
271 $ui= ldap_login_user($username, $_POST["password"]);
272 if ($ui === NULL || !$ui){
273 $message= _("Please check the username/password combination.");
274 $smarty->assign ('nextfield', 'password');
275 new log("security","login","",array(),"Authentication failed for user \"$username\"") ;
276 } else {
277 /* Remove all locks of this user */
278 del_user_locks($ui->dn);
280 /* Save userinfo and plugin structure */
281 $_SESSION['ui']= $ui;
282 $_SESSION['session_cnt']= 0;
284 /* Let GOsa trigger a new connection for each POST, save
285 config to session. */
286 $config->get_departments();
287 $config->make_idepartments();
288 $_SESSION['config']= $config;
290 /* Take care about zend.ze1_compatiblity_mode */
291 if (ini_get("zend.ze1_compatibility_mode") != 0){
292 $_SESSION['PHP4COMPATIBLE']= TRUE;
293 }
295 /* Restore filter settings from cookie, if available
296 */
297 if(isset($config->data['MAIN']['SAVE_FILTER']) && preg_match("/true/",$config->data['MAIN']['SAVE_FILTER'])){
298 $cookie_vars= array("MultiDialogFilters","CurrentMainBase","plug");
299 foreach($cookie_vars as $var){
300 if(isset($_COOKIE[$var])){
301 $_SESSION[$var] = unserialize(base64_decode($_COOKIE[$var]));
302 }elseif(isset($HTTP_COOKIE_VARS[$var])){
303 $_SESSION[$var] = unserialize(base64_decode($HTTP_COOKIE_VARS[$var]));
304 }
305 }
306 if(isset($_COOKIE['plug'])){
307 $plug = $_COOKIE['plug'];
308 }elseif($HTTP_COOKIE_VARS['plug']){
309 $plug = $HTTP_COOKIE_VARS['plug'];
310 }
311 }
313 /* are we using accountexpiration */
314 if((isset($config->data['MAIN']['ACCOUNT_EXPIRATION'])) &&
315 preg_match('/true/i', $config->data['MAIN']['ACCOUNT_EXPIRATION'])){
317 $expired= ldap_expired_account($config, $ui->dn, $ui->username);
319 if ($expired == 1){
320 $message= _("Account locked. Please contact your system administrator.");
321 $smarty->assign ('nextfield', 'password');
322 new log("security","login","",array(),"Account for user \"$username\" has expired") ;
323 } elseif ($expired == 3){
324 $plist= new pluglist($config, $ui);
325 foreach ($plist->dirlist as $key => $value){
326 if (preg_match("/\bpassword\b/i",$value)){
327 $plug=$key;
328 new log("security","login","",array(),"User \"$username\" password forced to change") ;
329 header ("Location: main.php?plug=$plug&reset=1");
330 exit;
331 }
332 }
333 }
334 }
335 /* Not account expired or password forced change go to main page */
336 new log("security","login","",array(),"User \"$username\" logged in successfully") ;
337 $plist= new pluglist($config, $ui);
338 if(isset($plug) && isset($plist->dirlist[$plug])){
339 header ("Location: main.php?plug=".$plug."&global_check=1");
340 }else{
341 header ("Location: main.php?global_check=1");
342 }
343 exit;
344 }
345 }
346 }
348 /* Fill template with required values */
349 $smarty->assign ('date', gmdate("D, d M Y H:i:s"));
350 $smarty->assign ('username', $username);
351 $smarty->assign ('personal_img', get_template_path('images/personal.png'));
352 $smarty->assign ('password_img', get_template_path('images/password.png'));
353 $smarty->assign ('directory_img', get_template_path('images/ldapserver.png'));
355 /* Some error to display? */
356 if (!isset($message)){
357 $message= "";
358 }
360 $smarty->assign ("message", $message);
362 /* Displasy SSL mode warning? */
363 if ($ssl != "" && $config->data['MAIN']['WARNSSL'] == 'true'){
364 $smarty->assign ("ssl", "<b>"._("Warning").":<\/b> "._("Session will not be encrypted.")." <a style=\"color:red;\" href=\"$ssl\"><b>"._("Enter SSL session")."<\/b></a>!");
365 } else {
366 $smarty->assign ("ssl", "");
367 }
369 /* Translation of cookie-warning. Whether to display it, is determined by JavaScript */
370 $smarty->assign ("cookies", "<b>"._("Warning").":<\/b> "._("Your browser has cookies disabled. Please enable cookies and reload this page before logging in!"));
373 /* Generate server list */
374 $servers= array();
375 if (isset($_POST['server'])){
376 $selected= validate($_POST['server']);
377 } else {
378 $selected= $config->data['MAIN']['DEFAULT'];
379 }
380 foreach ($config->data['LOCATIONS'] as $key => $ignored){
381 $servers[$key]= $key;
382 }
383 $smarty->assign ("server_options", $servers);
384 $smarty->assign ("server_id", $selected);
386 /* show login screen */
387 $smarty->assign ("PHPSESSID", session_id());
388 if (isset($_SESSION['errors'])){
389 $smarty->assign("errors", $_SESSION['errors']);
390 }
391 if ($error_collector != ""){
392 $smarty->assign("php_errors", preg_replace("/%BUGBODY%/",$error_collector_mailto,$error_collector)."</div>");
393 } else {
394 $smarty->assign("php_errors", "");
395 }
397 /* Set focus to the error button if we've an error message */
398 $focus= "";
399 if (isset($_SESSION['errors']) && $_SESSION['errors'] != ""){
400 $focus= '<script language="JavaScript" type="text/javascript">';
401 $focus.= 'document.forms[0].error_accept.focus();';
402 $focus.= '</script>';
403 }
404 $smarty->assign("focus", $focus);
405 displayLogin();
407 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
408 ?>
410 </body>
411 </html>