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 /* Remember everything we did after the last click */
38 restore_error_handler();
39 session::start();
40 session::set('limit_exceeded',FALSE);
42 if ($_SERVER["REQUEST_METHOD"] == "POST"){
43 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, $_POST, "_POST");
44 }
45 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, session::get_all(), "_SESSION");
47 /* Logged in? Simple security check */
48 if (!session::is_set('config')){
49 new log("security","login","",array(),"main.php called without session - logging out") ;
50 header ("Location: logout.php");
51 exit;
52 }
54 /* Check for uniqe ip address */
55 $ui= session::get('ui');
56 if ($_SERVER['REMOTE_ADDR'] != $ui->ip){
57 new log("security","login","",array(),"main.php called with session which has a changed IP address.") ;
58 header ("Location: logout.php");
59 exit;
60 }
61 $config= session::get('config');
62 $config->check_and_reload();
64 /* Enable compressed output */
65 if (isset($config->data['MAIN']['COMPRESSED']) && preg_match('/^(true|on)$/i', $config->data['MAIN']['COMPRESSED'])){
66 ob_start("ob_gzhandler");
67 }
69 /* Check for invalid sessions */
70 if(session::get('_LAST_PAGE_REQUEST') == ""){
71 session::set('_LAST_PAGE_REQUEST',time());
72 }else{
74 /* check GOsa.conf for defined session lifetime */
75 if(isset($config->data['MAIN']['SESSION_LIFETIME'])){
76 $max_life = $config->data['MAIN']['SESSION_LIFETIME'];
77 }else{
78 $max_life = 60*60*2;
79 }
81 /* get time difference between last page reload */
82 $request_time = (time()- session::get('_LAST_PAGE_REQUEST'));
84 /* If page wasn't reloaded for more than max_life seconds
85 * kill session
86 */
87 if($request_time > $max_life){
88 session_unset();
89 new log("security","login","",array(),"main.php called without session - logging out") ;
90 header ("Location: logout.php");
91 exit;
92 }
93 session::set('_LAST_PAGE_REQUEST',time());
94 }
97 @DEBUG (DEBUG_CONFIG, __LINE__, __FUNCTION__, __FILE__, $config->data, "config");
99 /* Set template compile directory */
100 if (isset ($config->data['MAIN']['COMPILE'])){
101 $smarty->compile_dir= $config->data['MAIN']['COMPILE'];
102 } else {
103 $smarty->compile_dir= '/var/spool/gosa/';
104 }
106 /* Set default */
107 $reload_navigation = false;
109 /* Set last initialised language to current, browser settings */
110 if(!session::is_set('Last_init_lang')){
111 $reload_navigation = true;
112 session::set('Last_init_lang',get_browser_language());
113 }
115 /* If last language != current force navi reload */
116 $lang= get_browser_language();
117 if(session::get('Last_init_lang',$lang)){
118 $reload_navigation = true;
119 }
121 /* Language setup */
122 session::set('Last_init_lang',$lang);
124 /* Preset current main base */
125 if(!session::is_set('CurrentMainBase')){
126 session::set('CurrentMainBase',get_base_from_people($ui->dn));
127 }
129 putenv("LANGUAGE=");
130 putenv("LANG=$lang");
131 setlocale(LC_ALL, $lang);
132 $GLOBALS['t_language']= $lang;
133 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
135 /* Set the text domain as 'messages' */
136 $domain = 'messages';
137 bindtextdomain($domain, "$BASE_DIR/locale");
138 textdomain($domain);
139 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
141 /* Prepare plugin list */
142 if (!session::is_set('plist')){
143 /* Initially load all classes */
144 $class_list= get_declared_classes();
145 foreach ($class_mapping as $class => $path){
146 if (!in_array($class, $class_list)){
147 require_once("$BASE_DIR/$path");
148 }
149 }
151 session::set('plist', new pluglist($config, $ui));
153 /* Load ocMapping into userinfo */
154 $tmp= new acl($config, NULL, $ui->dn);
155 $ui->ocMapping= $tmp->ocMapping;
156 session::set('ui',$ui);
157 }
158 $plist= session::get('plist');
160 /* Check for register globals */
161 if (isset($global_check) && $config->data['MAIN']['FORCEGLOBALS'] == 'true'){
162 echo _("FATAL: Register globals is on. GOsa will refuse to login unless this is fixed by an administrator.");
163 new log("security","login","",array(),"Register globals is on. For security reasons, this should be turned off.") ;
164 session_destroy ();
165 exit ();
166 }
168 /* Check Plugin variable */
169 if (session::is_set('plugin_dir')){
170 $old_plugin_dir= session::get('plugin_dir');
171 } else {
172 $old_plugin_dir= "";
173 }
174 if (isset($_GET['plug'])){
175 $plug= validate($_GET['plug']);
176 $plugin_dir= $plist->get_path($plug);
177 session::set('plugin_dir',$plugin_dir);
178 if ($plugin_dir == ""){
179 new log("security","gosa","",array(),"main.php called with invalid plug parameter \"$plug\"") ;
180 header ("Location: logout.php");
181 exit;
182 }
183 } else {
185 /* set to welcome page as default plugin */
186 session::set('plugin_dir',"welcome");
187 $plugin_dir= "$BASE_DIR/plugins/generic/welcome";
188 }
190 /* Check if we need to delete a lock */
191 if ($old_plugin_dir != $plugin_dir){
192 if (is_file("$old_plugin_dir/main.inc")){
193 $remove_lock= true;
194 require_once ("$old_plugin_dir/main.inc");
195 }
196 }
197 $remove_lock= false;
199 /* Check for sizelimits */
200 eval_sizelimit();
202 /* Check for memory */
203 if (function_exists("memory_get_usage")){
204 if (memory_get_usage() > (to_byte(ini_get('memory_limit')) - 2048000 )){
205 print_red(_("Warning: memory is getting low - please increase the memory_limit!"));
206 }
207 }
209 /* Redirect on back event */
210 if ($_SERVER["REQUEST_METHOD"] == "POST"){
212 /* Look for button events that match /^back[0-9]+$/,
213 extract the number and step the correct plugin. */
214 foreach ($_POST as $key => $value){
215 if (preg_match("/^back[0-9]+$/", $key)){
216 $back= substr($key, 4);
217 header ("Location: main.php?plug=$back");
218 exit;
219 }
220 }
221 }
223 /* Redirect on password back event */
224 if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['password_back'])){
225 header ("Location: main.php");
226 exit;
227 }
229 /* Check for multiple windows logout */
230 if ($_SERVER["REQUEST_METHOD"] == "POST"){
231 if (isset($_POST['reset_session'])){
232 header ("Location: logout.php");
233 exit;
234 }
236 if (isset($_POST['cancel_lock'])){
237 session::un_set('dn');
238 }
239 }
242 /* Load department list when plugin has changed. That is some kind of
243 compromise between speed and beeing up to date */
244 if (isset($_GET['reset'])){
245 if (session::is_set('objectinfo')){
246 session::un_set('objectinfo');
247 }
248 }
250 /* Install eGOsa hooks, convert _POST to session */
251 if(isset($_GET['explorer'])){
252 session::set('eGosa',TRUE);
253 }
254 if(session::is_set('POST')){
255 $_SERVER["REQUEST_METHOD"] = "POST";
256 foreach (session::get('POST') as $key => $dummy){
257 $_POST[$key]= $dummy;
258 }
259 session::un_set('POST');
260 }
262 /* show web frontend */
263 $smarty->assign ("date", date("l, dS F Y H:i:s O"));
264 $smarty->assign ("must", "<font class=\"must\">*</font>");
265 if (isset($plug)){
266 $plug= "?plug=$plug";
267 } else {
268 $plug= "";
269 }
270 if (session::get('js')==FALSE){
271 $smarty->assign("javascript", "false");
272 $smarty->assign("help_method", "href='helpviewer.php$plug' target='_blank'");
273 } else {
274 $smarty->assign("javascript", "true");
275 $smarty->assign("help_method"," onclick=\"return popup('helpviewer.php$plug','GOsa help');\"");
276 }
278 $smarty->assign ("username", $ui->username);
279 $smarty->assign ("go_logo", get_template_path('images/go_logo.png'));
280 $smarty->assign ("go_base", get_template_path('images/dtree.png'));
281 $smarty->assign ("go_home", get_template_path('images/gohome.png'));
282 $smarty->assign ("go_out", get_template_path('images/stop.png'));
283 $smarty->assign ("go_top", get_template_path('images/go_top.png'));
284 $smarty->assign ("go_corner", get_template_path('images/go_corner.png'));
285 $smarty->assign ("go_left", get_template_path('images/go_left.png'));
286 $smarty->assign ("go_help", get_template_path('images/help.png'));
288 /* reload navigation if language changed*/
289 if($reload_navigation){
290 $plist->menu="";;
291 }
292 $plist->gen_headlines();
293 $plist->gen_menu();
294 $smarty->assign ("menu", $plist->menu);
295 $smarty->assign ("plug", "$plug");
297 $header= "<!-- headers.tpl-->".$smarty->fetch(get_template_path('headers.tpl'));
299 /* React on clicks */
300 if ($_SERVER["REQUEST_METHOD"] == "POST"){
302 /* 'delete_lock' is set by the lock removal dialog. We should remove the
303 lock at this point globally. Plugins do not need to remove it. */
304 if (isset($_POST['delete_lock']) && session::is_set('dn')){
305 del_lock (session::get('dn'));
307 /* Set old Post data */
308 if(session::is_set('LOCK_VARS_USED')){
309 foreach(session::get('LOCK_VARS_USED') as $name => $value){
310 $_GET[$name] = $value;
311 $_POST[$name] = $value;
312 }
313 }
314 sess_del ('dn');
315 }
318 /* I don't want multiple browser windows open. One way to check it is
319 to count a hidden field and warn the user if SESSION and INPUT count
320 differ. */
321 if (isset($_POST['session_cnt'])){
322 if ($_POST['session_cnt'] != session::get('session_cnt')){
323 $smarty->display(get_template_path('conflict.tpl'));
324 exit ();
325 }
326 session::set('session_cnt', (session::get('session_cnt') + 1));
327 session::set('post_cnt' , validate($_POST['session_cnt']) + 1);
328 }
329 }
331 /* Only generate hidden click counter, if post_cnt is defined */
332 if (session::is_set('post_cnt')){
333 echo "<input type=\"hidden\" name=\"session_cnt\" value=\"".session::get('post_cnt')."\">\n";
334 }
336 /* check if we are using account expiration */
337 if((isset($config->data['MAIN']['ACCOUNT_EXPIRATION'])) &&
338 preg_match('/true/i', $config->data['MAIN']['ACCOUNT_EXPIRATION'])){
340 $expired= ldap_expired_account($config, $ui->dn, $ui->username);
342 if ($expired == 2){
343 new log("security","gosa","",array(),"password for user \"$ui->username\" is about to expire") ;
344 print_red(_("Your password is about to expire, please change your password"));
345 }
346 }
348 /* Load plugin */
349 if (is_file("$plugin_dir/main.inc")){
350 require_once ("$plugin_dir/main.inc");
351 } else {
352 echo sprintf(_("FATAL: Can't find any plugin definitions for plugin '%s'!"), $plug);
353 exit();
354 }
357 /* Print_out last ErrorMessage repeated string. */
358 if(isset($_GET['add'])){
359 msg_dialog::display("Error" ,"Kann datei nicht schreiben, bla",ERROR_DIALOG);
360 msg_dialog::display("Warning" ,"Kann datei nicht schreiben, bla",WARNING_DIALOG);
361 msg_dialog::display("Info" ,"Kann datei nicht schreiben, bla",INFO_DIALOG);
362 msg_dialog::display("Confirm" ,"Kann datei nicht schreiben, bla",CONFIRM_DIALOG);
363 }
365 $smarty->assign("msg_dialogs", msg_dialog::get_dialogs());
366 $smarty->assign("contents", $display);
368 /* Assign erros to smarty */
369 if (session::is_set('errors')){
370 $smarty->assign("errors", session::get('errors'));
371 }
372 if ($error_collector != ""){
373 $smarty->assign("php_errors", preg_replace("/%BUGBODY%/",$error_collector_mailto,$error_collector)."</div>");
374 } else {
375 $smarty->assign("php_errors", "");
376 }
378 /* Set focus to the error button if we've an error message */
379 $focus= "";
380 if (session::is_set('errors') && session::get('errors') != ""){
381 $focus= '<script language="JavaScript" type="text/javascript">';
382 $focus.= 'document.forms[0].error_accept.focus();';
383 $focus.= '</script>';
384 }
386 $focus= '<script language="JavaScript" type="text/javascript">';
387 $focus.= 'next_msg_dialog();';
388 $focus.= '</script>';
389 $smarty->assign("focus", $focus);
391 $display= $header.$smarty->fetch(get_template_path('framework.tpl'));
393 /* Save dialog filters and selected base in a cookie.
394 So we may be able to restore the filter an base settings on reload.
395 */
396 $cookie = array();
398 if(isset($_COOKIE['GOsa_Filter_Settings'])){
399 $cookie = unserialize(base64_decode($_COOKIE['GOsa_Filter_Settings']));
400 }elseif(isset($HTTP_COOKIE_VARS['GOsa_Filter_Settings'])){
401 $cookie = unserialize(base64_decode($HTTP_COOKIE_VARS['GOsa_Filter_Settings']));
402 }
403 if(isset($config->data['MAIN']['SAVE_FILTER']) && preg_match("/true/",$config->data['MAIN']['SAVE_FILTER'])){
404 $cookie_vars = array("MultiDialogFilters","CurrentMainBase");
405 foreach($cookie_vars as $var){
406 if(session::is_set($var)){
407 $cookie[$ui->dn][$var] = session::get($var);
408 }
409 }
410 if(isset($_GET['plug'])){
411 $cookie[$ui->dn]['plug'] = $_GET['plug'];
412 }
413 @setcookie("GOsa_Filter_Settings",base64_encode(serialize($cookie)),time() + (60*60*24));
414 }
416 /* Show page... */
417 echo $display;
419 /* Save plist and config */
420 session::set('plist',$plist);
421 session::set('config',$config);
422 session::set('errorsAlreadyPosted',array());
424 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
425 ?>