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 $start = microtime();
24 /* Basic setup, remove eventually registered sessions */
25 require_once ("../include/php_setup.inc");
26 require_once ("functions.inc");
27 require_once ("functions_FAI.inc");
29 /* Set header */
30 header("Content-type: text/html; charset=UTF-8");
32 /* Find all class files and include them */
33 get_dir_list("$BASE_DIR/plugins");
35 /* Set the text domain as 'messages' */
36 $domain = 'messages';
37 bindtextdomain($domain, "$BASE_DIR/locale");
38 textdomain($domain);
40 /* Set cookie lifetime to one day (The parameter is in seconds ) */
41 session_set_cookie_params(24*60*60);
43 /* Set cache limter to one day (parameter is minutes !!)*/
44 session_cache_expire(60*24); // default is 180
46 /* Set session max lifetime, to prevent the garbage collector to delete session before timeout.
47 !! The garbage collector is a cron job on debian systems, the cronjob will fetch the timeout from
48 the php.ini, so if you use debian, you must hardcode session.gc_maxlifetime in your php.ini */
49 ini_set("session.gc_maxlifetime",24*60*60);
51 /* Remember everything we did after the last click */
52 session_start ();
54 $_SESSION['limit_exceeded'] =FALSE;
56 if ($_SERVER["REQUEST_METHOD"] == "POST"){
57 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, $_POST, "_POST");
58 }
59 @DEBUG (DEBUG_POST, __LINE__, __FUNCTION__, __FILE__, $_SESSION, "_SESSION");
61 /* Logged in? Simple security check */
62 if (!isset($_SESSION['config'])){
63 new log("security","login","",array(),"main.php called without session - logging out") ;
64 header ("Location: logout.php");
65 exit;
66 }
68 /* Reset errors */
69 $_SESSION['errors'] = "";
70 $_SESSION['errorsAlreadyPosted']= array();
71 $_SESSION['LastError'] = "";
73 /* Check for uniqe ip address */
74 $ui= $_SESSION["ui"];
75 if ($_SERVER['REMOTE_ADDR'] != $ui->ip){
76 new log("security","login","",array(),"main.php called with session which has a changed IP address.") ;
77 header ("Location: logout.php");
78 exit;
79 }
80 $config= $_SESSION['config'];
82 /* Check if there is a timezone record available */
83 $tmp = get_default_timezone();
84 if($tmp['name'] == "unconfigured"){
85 print_red(_("Please add a timezone record into the main section of yout your gosa.conf."));
86 }
88 /* Check for invalid sessions */
89 if(empty($_SESSION['_LAST_PAGE_REQUEST'])){
90 $_SESSION['_LAST_PAGE_REQUEST']= time();
91 }else{
93 /* check GOsa.conf for defined session lifetime */
94 if(isset($config->data['MAIN']['SESSION_LIFETIME'])){
95 $max_life = $config->data['MAIN']['SESSION_LIFETIME'];
96 }else{
97 $max_life = 60*60*2;
98 }
100 /* get time difference between last page reload */
101 $request_time = (time()-$_SESSION['_LAST_PAGE_REQUEST']);
103 /* If page wasn't reloaded for more than max_life seconds
104 * kill session
105 */
106 if($request_time > $max_life){
107 session_unset();
108 new log("security","login","",array(),"main.php called without session - logging out") ;
109 header ("Location: logout.php");
110 exit;
111 }
112 $_SESSION['_LAST_PAGE_REQUEST'] = time();
113 }
116 @DEBUG (DEBUG_CONFIG, __LINE__, __FUNCTION__, __FILE__, $config->data, "config");
118 /* Set template compile directory */
119 if (isset ($config->data['MAIN']['COMPILE'])){
120 $smarty->compile_dir= $config->data['MAIN']['COMPILE'];
121 } else {
122 $smarty->compile_dir= '/var/spool/gosa/';
123 }
125 /* Set default */
126 $reload_navigation = false;
128 /* Set last initialised language to current, browser settings */
129 if((!isset($_SESSION['Last_init_lang']))){
130 $reload_navigation = true;
131 $_SESSION['Last_init_lang'] = get_browser_language();
132 }
134 /* If last language != current force navi reload */
135 $lang= get_browser_language();
136 if($_SESSION['Last_init_lang'] != $lang){
137 $reload_navigation = true;
138 }
140 /* Language setup */
141 $_SESSION['Last_init_lang'] = $lang;
143 /* Preset current main base */
144 if(!isset($_SESSION['CurrentMainBase'])){
145 $_SESSION['CurrentMainBase']= get_base_from_people($ui->dn);
146 }
148 putenv("LANGUAGE=");
149 putenv("LANG=$lang");
150 setlocale(LC_ALL, $lang);
151 $GLOBALS['t_language']= $lang;
152 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
154 /* Set the text domain as 'messages' */
155 $domain = 'messages';
156 bindtextdomain($domain, "$BASE_DIR/locale");
157 textdomain($domain);
158 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
160 /* Prepare plugin list */
161 if (!isset($_SESSION['plist'])){
162 $_SESSION['plist']= new pluglist($config, $ui);
164 /* Load ocMapping into userinfo */
165 $tmp= new acl($config, NULL, $ui->dn);
166 $ui->ocMapping= $tmp->ocMapping;
167 $_SESSION['ui']= $ui;
168 }
169 $plist= $_SESSION['plist'];
171 /* Check for register globals */
172 if (isset($global_check) && $config->data['MAIN']['FORCEGLOBALS'] == 'true'){
173 echo _("FATAL: Register globals is on. GOsa will refuse to login unless this is fixed by an administrator.");
174 new log("security","login","",array(),"Register globals is on. For security reasons, this should be turned off.") ;
175 session_destroy ();
176 exit ();
177 }
179 /* Check Plugin variable */
180 if (isset($_SESSION['plugin_dir'])){
181 $old_plugin_dir= $_SESSION['plugin_dir'];
182 } else {
183 $old_plugin_dir= "";
184 }
185 if (isset($_GET['plug'])){
186 $plug= validate($_GET['plug']);
187 $plugin_dir= $plist->get_path($plug);
188 $_SESSION['plugin_dir']= $plugin_dir;
189 if ($plugin_dir == ""){
190 new log("security","gosa","",array(),"main.php called with invalid plug parameter \"$plug\"") ;
191 header ("Location: logout.php");
192 exit;
193 }
194 } else {
195 /* set to welcome page as default plugin */
196 $_SESSION['plugin_dir']= "welcome";
197 $plugin_dir= "$BASE_DIR/plugins/generic/welcome";
198 }
200 /* Check if we need to delete a lock */
201 if ($old_plugin_dir != $plugin_dir){
202 if (is_file("$old_plugin_dir/main.inc")){
203 $remove_lock= true;
204 require_once ("$old_plugin_dir/main.inc");
205 }
206 }
207 $remove_lock= false;
209 /* Check for sizelimits */
210 eval_sizelimit();
212 /* Check for memory */
213 if (function_exists("memory_get_usage")){
214 if (memory_get_usage() > (to_byte(ini_get('memory_limit')) - 2048000 )){
215 print_red(_("Warning: memory is getting low - please increase the memory_limit!"));
216 }
217 }
219 /* Redirect on back event */
220 if ($_SERVER["REQUEST_METHOD"] == "POST"){
222 /* Look for button events that match /^back[0-9]+$/,
223 extract the number and step the correct plugin. */
224 foreach ($_POST as $key => $value){
225 if (preg_match("/^back[0-9]+$/", $key)){
226 $back= substr($key, 4);
227 header ("Location: main.php?plug=$back");
228 exit;
229 }
230 }
231 }
233 /* Redirect on password back event */
234 if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['password_back'])){
235 header ("Location: main.php");
236 exit;
237 }
239 /* Check for multiple windows logout */
240 if ($_SERVER["REQUEST_METHOD"] == "POST"){
241 if (isset($_POST['reset_session'])){
242 header ("Location: logout.php");
243 exit;
244 }
246 if (isset($_POST['cancel_lock'])){
247 unset ($_SESSION['dn']);
248 }
249 }
252 /* Load department list when plugin has changed. That is some kind of
253 compromise between speed and beeing up to date */
254 if (isset($_GET['reset'])){
255 if (isset($_SESSION['objectinfo'])){
256 unset ($_SESSION['objectinfo']);
257 }
258 }
260 /* Install eGOsa hooks, convert _POST to _SESSION['POST'] */
261 if(isset($_GET['explorer'])){
262 $_SESSION{'eGosa'}=1;
263 }
264 if(isset($_SESSION['POST'])){
265 $_SERVER["REQUEST_METHOD"] = "POST";
266 foreach ($_SESSION['POST'] as $key => $dummy){
267 $_POST[$key]=$_SESSION['POST'][$key];
268 }
269 unset($_SESSION['POST']);
270 }
272 /* show web frontend */
273 $smarty->assign ("date", date("l, dS F Y H:i:s O"));
274 $smarty->assign ("must", "<font class=\"must\">*</font>");
275 if (isset($plug)){
276 $plug= "?plug=$plug";
277 } else {
278 $plug= "";
279 }
280 if ($_SESSION['js']==FALSE){
281 $smarty->assign("javascript", "false");
282 $smarty->assign("help_method", "href='helpviewer.php$plug' target='_blank'");
283 } else {
284 $smarty->assign("javascript", "true");
285 $smarty->assign("help_method"," onclick=\"return popup('helpviewer.php$plug','GOsa help');\"");
286 }
288 $smarty->assign ("username", $ui->username);
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/stop.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']) && isset($_SESSION['dn'])){
315 del_lock ($_SESSION['dn']);
317 /* Set old Post data */
318 if(isset($_SESSION['LOCK_VARS_USED'])){
319 foreach($_SESSION['LOCK_VARS_USED'] as $name => $value){
320 $_GET[$name] = $value;
321 $_POST[$name] = $value;
322 }
323 }
324 sess_del ('dn');
325 }
328 /* I don't want multiple browser windows open. One way to check it is
329 to count a hidden field and warn the user if SESSION and INPUT count
330 differ. */
331 if (isset($_POST['session_cnt'])){
332 if ($_POST['session_cnt'] != $_SESSION['session_cnt']){
333 $smarty->display(get_template_path('conflict.tpl'));
334 exit ();
335 }
336 $_SESSION['session_cnt']= $_SESSION['session_cnt'] + 1;
337 $_SESSION['post_cnt']= validate($_POST['session_cnt']) + 1;
338 }
339 }
341 /* Only generate hidden click counter, if post_cnt is defined */
342 if (isset ($_SESSION['post_cnt'])){
343 echo "<input type=\"hidden\" name=\"session_cnt\" value=\"".$_SESSION['post_cnt']."\">\n";
344 }
346 /* check if we are using account expiration */
347 if((isset($config->data['MAIN']['ACCOUNT_EXPIRATION'])) &&
348 preg_match('/true/i', $config->data['MAIN']['ACCOUNT_EXPIRATION'])){
350 $expired= ldap_expired_account($config, $ui->dn, $ui->username);
352 if ($expired == 2){
353 new log("security","gosa","",array(),"password for user \"$ui->username\" is about to expire") ;
354 print_red(_("Your password is about to expire, please change your password"));
355 }
356 }
358 /* Load plugin */
359 if (is_file("$plugin_dir/main.inc")){
360 require_once ("$plugin_dir/main.inc");
361 } else {
362 echo sprintf(_("FATAL: Can't find any plugin definitions for plugin '%s'!"), $plug);
363 exit();
364 }
367 /* Print_out last ErrorMessage repeated string. */
369 $smarty->assign("contents", $display);
371 /* Assign erros to smarty */
372 if (isset($_SESSION['errors'])){
373 $smarty->assign("errors", $_SESSION['errors']);
374 }
375 if ($error_collector != ""){
376 $smarty->assign("php_errors", preg_replace("/%BUGBODY%/",$error_collector_mailto,$error_collector)."</div>");
377 } else {
378 $smarty->assign("php_errors", "");
379 }
381 /* Set focus to the error button if we've an error message */
382 $focus= "";
383 if (isset($_SESSION['errors']) && $_SESSION['errors'] != ""){
384 $focus= '<script language="JavaScript" type="text/javascript">';
385 $focus.= 'document.forms[0].error_accept.focus();';
386 $focus.= '</script>';
387 }
388 $smarty->assign("focus", $focus);
390 $display= $header.$smarty->fetch(get_template_path('framework.tpl'));
392 /* Show page... */
393 echo $display;
395 /* Save plist and config */
396 $_SESSION['plist']= $plist;
397 $_SESSION['config']= $config;
399 /* Echo compilation time */
400 #echo "<p align='right'>".get_MicroTimeDiff($start,microtime())."</p>";
402 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
403 ?>