1 <?php
2 /*
3 This code is part of GOsa (https://gosa.gonicus.de)
4 Copyright (C) 2003 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 /* Save start time */
22 $start = microtime();
24 /* Basic setup, remove eventually registered sessions */
25 require_once ("../include/php_setup.inc");
26 require_once ("functions.inc");
27 require_once ("functions_FAI.inc");
29 /* Set header */
30 header("Content-type: text/html; charset=UTF-8");
32 /* Set the text domain as 'messages' */
33 $domain = 'messages';
34 bindtextdomain($domain, "$BASE_DIR/locale");
35 textdomain($domain);
37 /* Set cookie lifetime to one day (The parameter is in seconds ) */
38 session_set_cookie_params(24*60*60);
40 /* Set cache limter to one day (parameter is minutes !!)*/
41 session_cache_expire(60*24); // default is 180
43 /* Set session max lifetime, to prevent the garbage collector to delete session before timeout.
44 !! The garbage collector is a cron job on debian systems, the cronjob will fetch the timeout from
45 the php.ini, so if you use debian, you must hardcode session.gc_maxlifetime in your php.ini */
46 ini_set("session.gc_maxlifetime",24*60*60);
48 /* Remember everything we did after the last click */
49 session_start ();
51 $_SESSION['limit_exceeded'] =FALSE;
53 if ($_SERVER["REQUEST_METHOD"] == "POST"){
54 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, $_POST, "_POST");
55 }
56 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, $_SESSION, "_SESSION");
58 /* Logged in? Simple security check */
59 if (!isset($_SESSION['config'])){
60 new log("security","login","",array(),"main.php called without session - logging out") ;
61 header ("Location: logout.php");
62 exit;
63 }
65 /* Reset errors */
66 $_SESSION['errors'] = "";
67 $_SESSION['errorsAlreadyPosted']= array();
68 $_SESSION['LastError'] = "";
70 /* Check for uniqe ip address */
71 $ui= $_SESSION["ui"];
72 if ($_SERVER['REMOTE_ADDR'] != $ui->ip){
73 new log("security","login","",array(),"main.php called with session which has a changed IP address.") ;
74 header ("Location: logout.php");
75 exit;
76 }
77 $config= $_SESSION['config'];
79 /* Enable compressed output */
80 if (isset($config->data['MAIN']['COMPRESSED']) && preg_match('/^(true|on)$/i', $config->data['MAIN']['COMPRESSED'])){
81 ob_start("ob_gzhandler");
82 }
84 /* Check for invalid sessions */
85 if(empty($_SESSION['_LAST_PAGE_REQUEST'])){
86 $_SESSION['_LAST_PAGE_REQUEST']= time();
87 }else{
89 /* check GOsa.conf for defined session lifetime */
90 if(isset($config->data['MAIN']['SESSION_LIFETIME'])){
91 $max_life = $config->data['MAIN']['SESSION_LIFETIME'];
92 }else{
93 $max_life = 60*60*2;
94 }
96 /* get time difference between last page reload */
97 $request_time = (time()-$_SESSION['_LAST_PAGE_REQUEST']);
99 /* If page wasn't reloaded for more than max_life seconds
100 * kill session
101 */
102 if($request_time > $max_life){
103 session_unset();
104 new log("security","login","",array(),"main.php called without session - logging out") ;
105 header ("Location: logout.php");
106 exit;
107 }
108 $_SESSION['_LAST_PAGE_REQUEST'] = time();
109 }
112 @DEBUG (DEBUG_CONFIG, __LINE__, __FUNCTION__, __FILE__, $config->data, "config");
114 /* Set template compile directory */
115 if (isset ($config->data['MAIN']['COMPILE'])){
116 $smarty->compile_dir= $config->data['MAIN']['COMPILE'];
117 } else {
118 $smarty->compile_dir= '/var/spool/gosa/';
119 }
121 /* Set default */
122 $reload_navigation = false;
124 /* Set last initialised language to current, browser settings */
125 if((!isset($_SESSION['Last_init_lang']))){
126 $reload_navigation = true;
127 $_SESSION['Last_init_lang'] = get_browser_language();
128 }
130 /* If last language != current force navi reload */
131 $lang= get_browser_language();
132 if($_SESSION['Last_init_lang'] != $lang){
133 $reload_navigation = true;
134 }
136 /* Language setup */
137 $_SESSION['Last_init_lang'] = $lang;
139 /* Preset current main base */
140 if(!isset($_SESSION['CurrentMainBase'])){
141 $_SESSION['CurrentMainBase']= get_base_from_people($ui->dn);
142 }
144 putenv("LANGUAGE=");
145 putenv("LANG=$lang");
146 setlocale(LC_ALL, $lang);
147 $GLOBALS['t_language']= $lang;
148 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
150 /* Set the text domain as 'messages' */
151 $domain = 'messages';
152 bindtextdomain($domain, "$BASE_DIR/locale");
153 textdomain($domain);
154 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
156 /* Prepare plugin list */
157 if (!isset($_SESSION['plist'])){
158 /* Initially load all classes */
159 $class_list= get_declared_classes();
160 foreach ($class_mapping as $class => $path){
161 if (!in_array($class, $class_list)){
162 require_once("$BASE_DIR/$path");
163 }
164 }
166 $_SESSION['plist']= new pluglist($config, $ui);
168 /* Load ocMapping into userinfo */
169 $tmp= new acl($config, NULL, $ui->dn);
170 $ui->ocMapping= $tmp->ocMapping;
171 $_SESSION['ui']= $ui;
172 }
173 $plist= $_SESSION['plist'];
175 /* Check for register globals */
176 if (isset($global_check) && $config->data['MAIN']['FORCEGLOBALS'] == 'true'){
177 echo _("FATAL: Register globals is on. GOsa will refuse to login unless this is fixed by an administrator.");
178 new log("security","login","",array(),"Register globals is on. For security reasons, this should be turned off.") ;
179 session_destroy ();
180 exit ();
181 }
183 /* Check Plugin variable */
184 if (isset($_SESSION['plugin_dir'])){
185 $old_plugin_dir= $_SESSION['plugin_dir'];
186 } else {
187 $old_plugin_dir= "";
188 }
189 if (isset($_GET['plug'])){
190 $plug= validate($_GET['plug']);
191 $plugin_dir= $plist->get_path($plug);
192 $_SESSION['plugin_dir']= $plugin_dir;
193 if ($plugin_dir == ""){
194 new log("security","gosa","",array(),"main.php called with invalid plug parameter \"$plug\"") ;
195 header ("Location: logout.php");
196 exit;
197 }
198 } else {
199 /* set to welcome page as default plugin */
200 $_SESSION['plugin_dir']= "welcome";
201 $plugin_dir= "$BASE_DIR/plugins/generic/welcome";
202 }
204 /* Check if we need to delete a lock */
205 if ($old_plugin_dir != $plugin_dir){
206 if (is_file("$old_plugin_dir/main.inc")){
207 $remove_lock= true;
208 require_once ("$old_plugin_dir/main.inc");
209 }
210 }
211 $remove_lock= false;
213 /* Check for sizelimits */
214 eval_sizelimit();
216 /* Check for memory */
217 if (function_exists("memory_get_usage")){
218 if (memory_get_usage() > (to_byte(ini_get('memory_limit')) - 2048000 )){
219 print_red(_("Warning: memory is getting low - please increase the memory_limit!"));
220 }
221 }
223 /* Redirect on back event */
224 if ($_SERVER["REQUEST_METHOD"] == "POST"){
226 /* Look for button events that match /^back[0-9]+$/,
227 extract the number and step the correct plugin. */
228 foreach ($_POST as $key => $value){
229 if (preg_match("/^back[0-9]+$/", $key)){
230 $back= substr($key, 4);
231 header ("Location: main.php?plug=$back");
232 exit;
233 }
234 }
235 }
237 /* Redirect on password back event */
238 if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['password_back'])){
239 header ("Location: main.php");
240 exit;
241 }
243 /* Check for multiple windows logout */
244 if ($_SERVER["REQUEST_METHOD"] == "POST"){
245 if (isset($_POST['reset_session'])){
246 header ("Location: logout.php");
247 exit;
248 }
250 if (isset($_POST['cancel_lock'])){
251 unset ($_SESSION['dn']);
252 }
253 }
256 /* Load department list when plugin has changed. That is some kind of
257 compromise between speed and beeing up to date */
258 if (isset($_GET['reset'])){
259 if (isset($_SESSION['objectinfo'])){
260 unset ($_SESSION['objectinfo']);
261 }
262 }
264 /* Install eGOsa hooks, convert _POST to _SESSION['POST'] */
265 if(isset($_GET['explorer'])){
266 $_SESSION{'eGosa'}=1;
267 }
268 if(isset($_SESSION['POST'])){
269 $_SERVER["REQUEST_METHOD"] = "POST";
270 foreach ($_SESSION['POST'] as $key => $dummy){
271 $_POST[$key]=$_SESSION['POST'][$key];
272 }
273 unset($_SESSION['POST']);
274 }
276 /* show web frontend */
277 $smarty->assign ("date", date("l, dS F Y H:i:s O"));
278 $smarty->assign ("must", "<font class=\"must\">*</font>");
279 if (isset($plug)){
280 $plug= "?plug=$plug";
281 } else {
282 $plug= "";
283 }
284 if ($_SESSION['js']==FALSE){
285 $smarty->assign("javascript", "false");
286 $smarty->assign("help_method", "href='helpviewer.php$plug' target='_blank'");
287 } else {
288 $smarty->assign("javascript", "true");
289 $smarty->assign("help_method"," onclick=\"return popup('helpviewer.php$plug','GOsa help');\"");
290 }
292 $smarty->assign ("username", $ui->username);
293 $smarty->assign ("go_logo", get_template_path('images/go_logo.png'));
294 $smarty->assign ("go_base", get_template_path('images/dtree.png'));
295 $smarty->assign ("go_home", get_template_path('images/gohome.png'));
296 $smarty->assign ("go_out", get_template_path('images/stop.png'));
297 $smarty->assign ("go_top", get_template_path('images/go_top.png'));
298 $smarty->assign ("go_corner", get_template_path('images/go_corner.png'));
299 $smarty->assign ("go_left", get_template_path('images/go_left.png'));
300 $smarty->assign ("go_help", get_template_path('images/help.png'));
302 /* reload navigation if language changed*/
303 if($reload_navigation){
304 $plist->menu="";;
305 }
306 $plist->gen_headlines();
307 $plist->gen_menu();
308 $smarty->assign ("menu", $plist->menu);
309 $smarty->assign ("plug", "$plug");
311 $header= "<!-- headers.tpl-->".$smarty->fetch(get_template_path('headers.tpl'));
313 /* React on clicks */
314 if ($_SERVER["REQUEST_METHOD"] == "POST"){
316 /* 'delete_lock' is set by the lock removal dialog. We should remove the
317 lock at this point globally. Plugins do not need to remove it. */
318 if (isset($_POST['delete_lock']) && isset($_SESSION['dn'])){
319 del_lock ($_SESSION['dn']);
321 /* Set old Post data */
322 if(isset($_SESSION['LOCK_VARS_USED'])){
323 foreach($_SESSION['LOCK_VARS_USED'] as $name => $value){
324 $_GET[$name] = $value;
325 $_POST[$name] = $value;
326 }
327 }
328 sess_del ('dn');
329 }
332 /* I don't want multiple browser windows open. One way to check it is
333 to count a hidden field and warn the user if SESSION and INPUT count
334 differ. */
335 if (isset($_POST['session_cnt'])){
336 if ($_POST['session_cnt'] != $_SESSION['session_cnt']){
337 $smarty->display(get_template_path('conflict.tpl'));
338 exit ();
339 }
340 $_SESSION['session_cnt']= $_SESSION['session_cnt'] + 1;
341 $_SESSION['post_cnt']= validate($_POST['session_cnt']) + 1;
342 }
343 }
345 /* Only generate hidden click counter, if post_cnt is defined */
346 if (isset ($_SESSION['post_cnt'])){
347 echo "<input type=\"hidden\" name=\"session_cnt\" value=\"".$_SESSION['post_cnt']."\">\n";
348 }
350 /* check if we are using account expiration */
351 if((isset($config->data['MAIN']['ACCOUNT_EXPIRATION'])) &&
352 preg_match('/true/i', $config->data['MAIN']['ACCOUNT_EXPIRATION'])){
354 $expired= ldap_expired_account($config, $ui->dn, $ui->username);
356 if ($expired == 2){
357 new log("security","gosa","",array(),"password for user \"$ui->username\" is about to expire") ;
358 print_red(_("Your password is about to expire, please change your password"));
359 }
360 }
362 /* Load plugin */
363 if (is_file("$plugin_dir/main.inc")){
364 require_once ("$plugin_dir/main.inc");
365 } else {
366 echo sprintf(_("FATAL: Can't find any plugin definitions for plugin '%s'!"), $plug);
367 exit();
368 }
371 /* Print_out last ErrorMessage repeated string. */
372 if(isset($_GET['add'])){
373 msg_dialog::display("Error" ,"Kann datei nicht schreiben, bla",ERROR_DIALOG);
374 msg_dialog::display("Warning" ,"Kann datei nicht schreiben, bla",WARNING_DIALOG);
375 msg_dialog::display("Info" ,"Kann datei nicht schreiben, bla",INFO_DIALOG);
376 msg_dialog::display("Confirm" ,"Kann datei nicht schreiben, bla",CONFIRM_DIALOG);
377 }
379 $smarty->assign("msg_dialogs", msg_dialog::get_dialogs());
380 $smarty->assign("contents", $display);
382 /* Assign erros to smarty */
383 if (isset($_SESSION['errors'])){
384 $smarty->assign("errors", $_SESSION['errors']);
385 }
386 if ($error_collector != ""){
387 $smarty->assign("php_errors", preg_replace("/%BUGBODY%/",$error_collector_mailto,$error_collector)."</div>");
388 } else {
389 $smarty->assign("php_errors", "");
390 }
392 /* Set focus to the error button if we've an error message */
393 $focus= "";
394 if (isset($_SESSION['errors']) && $_SESSION['errors'] != ""){
395 $focus= '<script language="JavaScript" type="text/javascript">';
396 $focus.= 'document.forms[0].error_accept.focus();';
397 $focus.= '</script>';
398 }
400 $focus= '<script language="JavaScript" type="text/javascript">';
401 $focus.= 'next_msg_dialog();';
402 $focus.= '</script>';
405 $smarty->assign("focus", $focus);
407 $display= $header.$smarty->fetch(get_template_path('framework.tpl'));
409 /* Save dialog filters and selected base in a cookie.
410 So we may be able to restore the filter an base settings on reload.
411 */
412 if(isset($config->data['MAIN']['SAVE_FILTER']) && preg_match("/true/",$config->data['MAIN']['SAVE_FILTER'])){
413 $cookie_vars = array("MultiDialogFilters","CurrentMainBase");
414 foreach($cookie_vars as $var){
415 if(isset($_SESSION[$var])){
416 @setcookie($var,base64_encode(serialize($_SESSION[$var])),time()+ 60*60*24*30);
417 }
418 }
419 }
421 /* Show page... */
422 echo $display;
424 /* Save plist and config */
425 $_SESSION['plist']= $plist;
426 $_SESSION['config']= $config;
428 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
429 ?>