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 /* Save start time */
24 $start = microtime();
26 /* Basic setup, remove eventually registered sessions */
27 require_once ("../include/php_setup.inc");
28 require_once ("functions.inc");
30 /* Set header */
31 header("Content-type: text/html; charset=UTF-8");
33 /* Set the text domain as 'messages' */
34 $domain = 'messages';
35 bindtextdomain($domain, LOCALE_DIR);
36 textdomain($domain);
38 /* Remember everything we did after the last click */
39 session::start();
40 session::set('errorsAlreadyPosted',array());
41 session::set('runtime_cache',array());
42 session::set('limit_exceeded',FALSE);
44 if ($_SERVER["REQUEST_METHOD"] == "POST"){
45 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, $_POST, "_POST");
46 }
47 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, session::get_all(), "_SESSION");
49 /* Logged in? Simple security check */
50 if (!session::is_set('config')){
51 new log("security","login","",array(),"main.php called without session - logging out") ;
52 header ("Location: logout.php");
53 exit;
54 }
56 /* Check for uniqe ip address */
57 $ui= session::get('ui');
58 if ($_SERVER['REMOTE_ADDR'] != $ui->ip){
59 new log("security","login","",array(),"main.php called with session which has a changed IP address.") ;
60 header ("Location: logout.php");
61 exit;
62 }
63 $config= session::get('config');
64 $config->check_config_version();
65 $config->check_and_reload();
67 /* Enable compressed output */
68 if ($config->get_cfg_value("sendCompressedOutput") == "true"){
69 ob_start("ob_gzhandler");
70 }
72 /* Check for invalid sessions */
73 if(session::get('_LAST_PAGE_REQUEST') == ""){
74 session::set('_LAST_PAGE_REQUEST',time());
75 }else{
77 /* check GOsa.conf for defined session lifetime */
78 $max_life= $config->get_cfg_value("sessionLifetime", 60*60*2);
80 /* get time difference between last page reload */
81 $request_time = (time()- session::get('_LAST_PAGE_REQUEST'));
83 /* If page wasn't reloaded for more than max_life seconds
84 * kill session
85 */
86 if($request_time > $max_life){
87 session::destroy();
88 new log("security","login","",array(),"main.php called without session - logging out") ;
89 header ("Location: logout.php");
90 exit;
91 }
92 session::set('_LAST_PAGE_REQUEST',time());
93 }
96 @DEBUG (DEBUG_CONFIG, __LINE__, __FUNCTION__, __FILE__, $config->data, "config");
98 /* Set template compile directory */
99 $smarty->compile_dir= $config->get_cfg_value("templateCompileDirectory", '/var/spool/gosa');
101 /* Set default */
102 $reload_navigation = false;
104 /* Set last initialised language to current, browser settings */
105 if(!session::is_set('Last_init_lang')){
106 $reload_navigation = true;
107 session::set('Last_init_lang',get_browser_language());
108 }
110 /* If last language != current force navi reload */
111 $lang= get_browser_language();
112 if(session::get('Last_init_lang') != $lang){
113 $reload_navigation = true;
114 }
116 /* Language setup */
117 session::set('Last_init_lang',$lang);
119 /* Preset current main base */
120 if(!session::is_set('CurrentMainBase')){
121 session::set('CurrentMainBase',get_base_from_people($ui->dn));
122 }
124 putenv("LANGUAGE=");
125 putenv("LANG=$lang");
126 setlocale(LC_ALL, $lang);
127 $GLOBALS['t_language']= $lang;
128 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
130 /* Set the text domain as 'messages' */
131 $domain = 'messages';
132 bindtextdomain($domain, LOCALE_DIR);
133 textdomain($domain);
134 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
136 /* Prepare plugin list */
137 if (!session::is_set('plist')){
138 /* Initially load all classes */
139 $class_list= get_declared_classes();
140 foreach ($class_mapping as $class => $path){
141 if (!in_array($class, $class_list)){
142 if (is_readable("$BASE_DIR/$path")){
143 require_once("$BASE_DIR/$path");
144 } else {
145 msg_dialog::display(_("Fatal error"),
146 sprintf(_("Cannot locate file '%s' - please run '%s' to fix this"),
147 "$BASE_DIR/$path", "<b>update-gosa</b>"), FATAL_ERROR_DIALOG);
148 exit;
149 }
150 }
151 }
153 session::set('plist', new pluglist($config, $ui));
155 /* Load ocMapping into userinfo */
156 $tmp= new acl($config, NULL, $ui->dn);
157 $ui->ocMapping= $tmp->ocMapping;
158 session::set('ui',$ui);
159 }
160 $plist= session::get('plist');
162 /* Check for register globals */
163 if (isset($global_check) && $config->get_cfg_value("forceglobals") == "true"){
164 msg_dialog::display(
165 _("PHP configuration"),
166 _("FATAL: Register globals is on. GOsa will refuse to login unless this is fixed by an administrator."),
167 FATAL_ERROR_DIALOG);
169 new log("security","login","",array(),"Register globals is on. For security reasons, this should be turned off.") ;
170 session::destroy ();
171 exit;
172 }
174 /* Check Plugin variable */
175 if (session::is_set('plugin_dir')){
176 $old_plugin_dir= session::get('plugin_dir');
177 } else {
178 $old_plugin_dir= "";
179 }
180 if (isset($_GET['plug']) && $plist->plugin_access_allowed($_GET['plug'])){
181 $plug= validate($_GET['plug']);
182 $plugin_dir= $plist->get_path($plug);
183 session::set('plugin_dir',$plugin_dir);
184 if ($plugin_dir == ""){
185 new log("security","gosa","",array(),"main.php called with invalid plug parameter \"$plug\"") ;
186 header ("Location: logout.php");
187 exit;
188 }
189 } else {
191 /* set to welcome page as default plugin */
192 session::set('plugin_dir',"welcome");
193 $plugin_dir= "$BASE_DIR/plugins/generic/welcome";
194 }
196 /* Check if we need to delete a lock */
197 if ($old_plugin_dir != $plugin_dir && $old_plugin_dir != ""){
198 if (is_file("$old_plugin_dir/main.inc")){
199 $remove_lock= true;
200 require_once ("$old_plugin_dir/main.inc");
201 }
202 }
203 $remove_lock= false;
205 /* Check for sizelimits */
206 eval_sizelimit();
208 /* Check for memory */
209 if (function_exists("memory_get_usage")){
210 if (memory_get_usage() > (to_byte(ini_get('memory_limit')) - 2048000 )){
211 msg_dialog::display(_("Configuration error"), _("Running out of memory!"), WARNING_DIALOG);
212 }
213 }
215 /* Redirect on back event */
216 if ($_SERVER["REQUEST_METHOD"] == "POST"){
218 /* Look for button events that match /^back[0-9]+$/,
219 extract the number and step the correct plugin. */
220 foreach ($_POST as $key => $value){
221 if (preg_match("/^back[0-9]+$/", $key)){
222 $back= substr($key, 4);
223 header ("Location: main.php?plug=$back");
224 exit;
225 }
226 }
227 }
229 /* Redirect on password back event */
230 if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['password_back'])){
231 header ("Location: main.php");
232 exit;
233 }
235 /* Check for multiple windows logout */
236 if ($_SERVER["REQUEST_METHOD"] == "POST"){
237 if (isset($_POST['reset_session'])){
238 header ("Location: logout.php");
239 exit;
240 }
242 if (isset($_POST['cancel_lock'])){
243 session::un_set('dn');
244 }
245 }
248 /* Load department list when plugin has changed. That is some kind of
249 compromise between speed and beeing up to date */
250 if (isset($_GET['reset'])){
251 if (session::is_set('objectinfo')){
252 session::un_set('objectinfo');
253 }
254 }
256 /* Install eGOsa hooks, convert _POST to session */
257 if(isset($_GET['explorer'])){
258 session::set('eGosa',TRUE);
259 }
260 if(session::is_set('POST')){
261 $_SERVER["REQUEST_METHOD"] = "POST";
262 foreach (session::get('POST') as $key => $dummy){
263 $_POST[$key]= $dummy;
264 }
265 session::un_set('POST');
266 }
268 /* show web frontend */
269 $smarty->assign ("date", date("l, dS F Y H:i:s O"));
270 $smarty->assign ("must", "<font class=\"must\">*</font>");
271 if (isset($plug)){
272 $plug= "?plug=$plug";
273 } else {
274 $plug= "";
275 }
276 if (session::get('js')==FALSE){
277 $smarty->assign("javascript", "false");
278 $smarty->assign("help_method", "href='helpviewer.php$plug' target='_blank'");
279 } else {
280 $smarty->assign("javascript", "true");
281 $smarty->assign("help_method"," onclick=\"return popup('helpviewer.php$plug','GOsa help');\"");
282 }
284 if($ui->ignore_acl_for_current_user()){
285 $smarty->assign ("username", "<font color='#FF0000';>"._("User ACL checks disabled")."</font> ".$ui->username);
286 }else{
287 $smarty->assign ("username", $ui->username);
288 }
289 $smarty->assign ("go_logo", get_template_path('images/go_logo.png'));
290 $smarty->assign ("go_base", get_template_path('images/dtree.png'));
291 $smarty->assign ("go_home", get_template_path('images/gohome.png'));
292 $smarty->assign ("go_out", get_template_path('images/logout.png'));
293 $smarty->assign ("go_top", get_template_path('images/go_top.png'));
294 $smarty->assign ("go_corner", get_template_path('images/go_corner.png'));
295 $smarty->assign ("go_left", get_template_path('images/go_left.png'));
296 $smarty->assign ("go_help", get_template_path('images/help.png'));
298 /* reload navigation if language changed*/
299 if($reload_navigation){
300 $plist->menu="";
301 }
302 $plist->gen_headlines();
303 $plist->gen_menu();
304 $smarty->assign ("menu", $plist->menu);
305 $smarty->assign ("plug", "$plug");
307 $header= "<!-- headers.tpl-->".$smarty->fetch(get_template_path('headers.tpl'));
309 /* React on clicks */
310 if ($_SERVER["REQUEST_METHOD"] == "POST"){
312 /* 'delete_lock' is set by the lock removal dialog. We should remove the
313 lock at this point globally. Plugins do not need to remove it. */
314 if (isset($_POST['delete_lock']) && session::is_set('dn')){
315 del_lock (session::get('dn'));
317 /* Set old Post data */
318 if(session::is_set('LOCK_VARS_USED')){
319 foreach(session::get('LOCK_VARS_USED') as $name => $value){
320 $_GET[$name] = $value;
321 $_POST[$name] = $value;
322 }
323 }
324 session::un_set ('dn');
325 }
328 /* I don't want multiple browser windows open. One way to check it is
329 to count a hidden field and warn the user if SESSION and INPUT count
330 differ. */
331 if (isset($_POST['session_cnt'])){
332 if ($_POST['session_cnt'] != session::get('session_cnt')){
333 $smarty->display(get_template_path('conflict.tpl'));
334 exit ();
335 }
336 session::set('session_cnt', (session::get('session_cnt') + 1));
337 session::set('post_cnt' , validate($_POST['session_cnt']) + 1);
338 }
339 }
341 /* Only generate hidden click counter, if post_cnt is defined */
342 if (session::is_set('post_cnt')){
343 echo "<input type=\"hidden\" name=\"session_cnt\" value=\"".session::get('post_cnt')."\">\n";
344 }
346 /* check if we are using account expiration */
347 if ($config->get_cfg_value("handleExpiredAccounts") == "true"){
348 $expired= ldap_expired_account($config, $ui->dn, $ui->username);
350 if ($expired == 2){
351 new log("security","gosa","",array(),"password for user \"$ui->username\" is about to expire") ;
352 msg_dialog::display(_("Password change"), _("Your password is about to expire, please change your password!"), INFO_DIALOG);
353 }
354 }
356 /* Load plugin */
357 if (is_file("$plugin_dir/main.inc")){
358 require_once ("$plugin_dir/main.inc");
359 } else {
360 msg_dialog::display(
361 _("Plugin"),
362 sprintf(_("FATAL: Cannot find any plugin definitions for plugin '%s'!"), $plug),
363 FATAL_ERROR_DIALOG);
364 exit();
365 }
368 /* Print_out last ErrorMessage repeated string. */
369 $smarty->assign("msg_dialogs", msg_dialog::get_dialogs());
370 $smarty->assign("contents", $display);
372 /* If there's some post, take a look if everything is there... */
373 if (isset($_POST) && count($_POST)){
374 if (!isset($_POST['php_c_check'])){
375 msg_dialog::display(
376 _("Configuration Error"),
377 sprintf(_("FATAL: not all POST variables have been transfered by PHP - please inform your administrator!")),
378 FATAL_ERROR_DIALOG);
379 exit();
380 }
381 }
383 /* Assign erros to smarty */
384 if (session::is_set('errors')){
385 $smarty->assign("errors", session::get('errors'));
386 }
387 if ($error_collector != ""){
388 $smarty->assign("php_errors", preg_replace("/%BUGBODY%/",$error_collector_mailto,$error_collector)."</div>");
389 } else {
390 $smarty->assign("php_errors", "");
391 }
393 /* Set focus to the error button if we've an error message */
394 $focus= "";
395 if (session::is_set('errors') && session::get('errors') != ""){
396 $focus= '<script language="JavaScript" type="text/javascript">';
397 $focus.= 'document.forms[0].error_accept.focus();';
398 $focus.= '</script>';
399 }
401 $focus= '<script language="JavaScript" type="text/javascript">';
402 $focus.= 'next_msg_dialog();';
403 $focus.= '</script>';
404 $smarty->assign("focus", $focus);
406 $display= $header.$smarty->fetch(get_template_path('framework.tpl'));
408 /* Save dialog filters and selected base in a cookie.
409 So we may be able to restore the filter an base settings on reload.
410 */
411 $cookie = array();
413 if(isset($_COOKIE['GOsa_Filter_Settings'])){
414 $cookie = unserialize(base64_decode($_COOKIE['GOsa_Filter_Settings']));
415 }elseif(isset($HTTP_COOKIE_VARS['GOsa_Filter_Settings'])){
416 $cookie = unserialize(base64_decode($HTTP_COOKIE_VARS['GOsa_Filter_Settings']));
417 }
419 /* Save filters? */
420 if($config->get_cfg_value("storeFilterSettings") == "true"){
421 $cookie_vars = array("MultiDialogFilters","CurrentMainBase");
422 foreach($cookie_vars as $var){
423 if(session::is_set($var)){
424 $cookie[$ui->dn][$var] = session::get($var);
425 }
426 }
427 if(isset($_GET['plug'])){
428 $cookie[$ui->dn]['plug'] = $_GET['plug'];
429 }
430 @setcookie("GOsa_Filter_Settings",base64_encode(serialize($cookie)),time() + (60*60*24));
431 }
433 /* Show page... */
434 echo $display;
436 /* Save plist and config */
437 session::set('plist',$plist);
438 session::set('config',$config);
439 session::set('errorsAlreadyPosted',array());
441 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
442 ?>