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 /* Generate server list */
56 $servers= array();
57 if (isset($_POST['server'])){
58 $selected= validate($_POST['server']);
59 } else {
60 $selected= $config->data['MAIN']['DEFAULT'];
61 }
62 foreach ($config->data['LOCATIONS'] as $key => $ignored){
63 $servers[$key]= $key;
64 }
65 $smarty->assign ("server_options", $servers);
66 $smarty->assign ("server_id", $selected);
68 /* show login screen */
69 $smarty->assign ("PHPSESSID", session_id());
70 if (isset($_SESSION['errors'])){
71 $smarty->assign("errors", $_SESSION['errors']);
72 }
73 if ($error_collector != ""){
74 $smarty->assign("php_errors", $error_collector."</div>");
75 } else {
76 $smarty->assign("php_errors", "");
77 }
79 $smarty->display (get_template_path('headers.tpl'));
80 $smarty->display(get_template_path('login.tpl'));
81 exit();
82 }
86 /* Set error handler to own one, initialize time calculation
87 and start session. */
88 session_start ();
90 /* Destroy old session if exists.
91 Else you will get your old session back, if you not logged out correctly. */
92 if(is_array($_SESSION) && count($_SESSION)){
93 session_destroy();
94 session_start();
95 }
97 $username= "";
99 /* Reset errors */
100 $_SESSION['errors'] = "";
101 $_SESSION['errorsAlreadyPosted']= array();
102 $_SESSION['LastError'] = "";
104 /* Check if we need to run setup */
105 if (!file_exists(CONFIG_DIR."/".CONFIG_FILE)){
106 header("location:setup.php");
107 exit();
108 }
110 /* Reset errors */
111 $_SESSION['errors']= "";
113 /* Check for java script */
114 if(isset($_POST['javascript']) && $_POST['javascript'] == "true") {
115 $_SESSION['js']= TRUE;
116 }elseif(isset($_POST['javascript'])) {
117 $_SESSION['js']= FALSE;
118 }
120 /* Check if gosa.conf (.CONFIG_FILE) is accessible */
121 if (!is_readable(CONFIG_DIR."/".CONFIG_FILE)){
122 echo sprintf(_("GOsa configuration %s/%s is not readable. Aborted."), CONFIG_DIR,CONFIG_FILE);
123 exit();
124 }
126 /* Parse configuration file */
127 $config= new config(CONFIG_DIR."/".CONFIG_FILE, $BASE_DIR);
128 $_SESSION['DEBUGLEVEL']= $config->data['MAIN']['DEBUGLEVEL'];
129 if ($_SERVER["REQUEST_METHOD"] != "POST"){
130 @DEBUG (DEBUG_CONFIG, __LINE__, __FUNCTION__, __FILE__, $config->data, "config");
131 }
133 /* Enable compressed output */
134 if (isset($config->data['MAIN']['COMPRESSED']) && preg_match('/^(true|on)$/i', $config->data['MAIN']['COMPRESSED'])){
135 ob_start("ob_gzhandler");
136 }
138 /* Set template compile directory */
139 if (isset ($config->data['MAIN']['COMPILE'])){
140 $smarty->compile_dir= $config->data['MAIN']['COMPILE'];
141 } else {
142 $smarty->compile_dir= '/var/spool/gosa';
143 }
144 $smarty->assign ('nextfield', 'username');
146 /* Check for compile directory */
147 if (!(is_dir($smarty->compile_dir) && is_writable($smarty->compile_dir))){
148 echo sprintf(_("Directory '%s' specified as compile directory is not accessible!"),
149 $smarty->compile_dir);
150 exit();
151 }
153 /* Check for old files in compile directory */
154 clean_smarty_compile_dir($smarty->compile_dir);
156 /* Language setup */
157 $lang= get_browser_language();
158 putenv("LANGUAGE=");
159 putenv("LANG=$lang");
160 setlocale(LC_ALL, $lang);
161 $GLOBALS['t_language']= $lang;
162 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
164 /* Set the text domain as 'messages' */
165 $domain = 'messages';
166 bindtextdomain($domain, "$BASE_DIR/locale");
167 textdomain($domain);
170 if ($_SERVER["REQUEST_METHOD"] != "POST"){
171 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
172 }
175 /* Check for SSL connection */
176 $ssl= "";
177 if (!isset($_SERVER['HTTPS']) ||
178 !stristr($_SERVER['HTTPS'], "on")) {
180 if (empty($_SERVER['REQUEST_URI'])) {
181 $ssl= "https://".$_SERVER['HTTP_HOST'].
182 $_SERVER['PATH_INFO'];
183 } else {
184 $ssl= "https://".$_SERVER['HTTP_HOST'].
185 $_SERVER['REQUEST_URI'];
186 }
187 }
189 /* If SSL is forced, just forward to the SSL enabled site */
190 if ($config->data['MAIN']['FORCESSL'] == 'true' && $ssl != ''){
191 header ("Location: $ssl");
192 exit;
193 }
195 /* Got a formular answer, validate and try to log in */
196 if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['login'])){
198 /* Reset error messages */
199 $message= "";
201 /* Destroy old sessions, they cause a successfull login to relog again ...*/
202 if(isset($_SESSION['_LAST_PAGE_REQUEST'])){
203 $_SESSION['_LAST_PAGE_REQUEST'] = time();
204 }
206 $server= validate($_POST["server"]);
207 $config->set_current($server);
209 /* Admin-logon and verify */
210 $ldap = $config->get_ldap_link();
211 if (is_null($ldap) || (is_int($ldap) && $ldap == 0)){
212 print_red (_("Can't bind to LDAP. Please contact the system administrator."));
213 displayLogin();
214 exit();
215 }
217 /* Check for schema file presence */
218 if(!isset($config->data['MAIN']['SCHEMA_CHECK'])){
219 $config->data['MAIN']['SCHEMA_CHECK'] = "true";
220 }
221 if(isset($config->data['MAIN']['SCHEMA_CHECK'])&&preg_match("/true/i",$config->data['MAIN']['SCHEMA_CHECK'])){
222 $recursive = (isset($config->current['RECURSIVE']) && $config->current['RECURSIVE'] == "true");
223 $tls = (isset($config->current['TLS']) && $config->current['TLS'] == "true");
225 if(!count($ldap->get_objectclasses())){
226 print_red(_("GOsa cannot retrieve information about the installed schema files. Please make sure, that this is possible."));
227 displayLogin();
228 exit() ;
229 }else{
230 $cfg = array();
231 $cfg['admin'] = $config->current['ADMIN'];
232 $cfg['password'] = $config->current['PASSWORD'];
233 $cfg['connection']= $config->current['SERVER'];
234 $cfg['tls'] = $tls;
235 $str = check_schema($cfg,isset($config->current['RFC2307BIS']) && preg_match("/(true|yes|on|1)/i",$config->current['RFC2307BIS']));
236 $checkarr = array();
237 foreach($str as $tr){
238 if(isset($tr['IS_MUST_HAVE']) && !$tr['STATUS']){
239 print_red($tr['MSG']."<br>"._("Your ldap setup contains old schema definitions. Please re-run the setup."));
240 displayLogin();
241 exit();
242 }
243 }
244 }
245 }
246 /* Check for locking area */
247 $ldap->cat($config->current['CONFIG'], array("dn"));
248 $attrs= $ldap->fetch();
249 if (!count ($attrs)){
250 $ldap->cd($config->current['BASE']);
251 $ldap->create_missing_trees($config->current['CONFIG']);
252 }
254 /* Check for valid input */
255 $username= $_POST["username"];
256 if (!ereg("^[A-Za-z0-9_.-]+$", $username)){
257 $message= _("Please specify a valid username!");
258 } elseif (mb_strlen($_POST["password"], 'UTF-8') == 0){
259 $message= _("Please specify your password!");
260 $smarty->assign ('nextfield', 'password');
261 } else {
263 /* Login as user, initialize user ACL's */
264 $ui= ldap_login_user($username, $_POST["password"]);
265 if ($ui === NULL || !$ui){
266 $message= _("Please check the username/password combination.");
267 $smarty->assign ('nextfield', 'password');
268 new log("security","login","",array(),"Authentication failed for user \"$username\"") ;
269 } else {
270 /* Remove all locks of this user */
271 del_user_locks($ui->dn);
273 /* Save userinfo and plugin structure */
274 $_SESSION['ui']= $ui;
275 $_SESSION['session_cnt']= 0;
277 /* Let GOsa trigger a new connection for each POST, save
278 config to session. */
279 $config->get_departments();
280 $config->make_idepartments();
281 $_SESSION['config']= $config;
283 /* Take care about zend.ze1_compatiblity_mode */
284 if (ini_get("zend.ze1_compatibility_mode") != 0){
285 $_SESSION['PHP4COMPATIBLE']= TRUE;
286 }
288 /* Restore filter settings from cookie, if available
289 */
290 if(isset($config->data['MAIN']['SAVE_FILTER']) && preg_match("/true/",$config->data['MAIN']['SAVE_FILTER'])){
291 $cookie_vars= array("MultiDialogFilters","CurrentMainBase");
292 foreach($cookie_vars as $var){
293 if(isset($_COOKIE[$var])){
294 $_SESSION[$var] = unserialize(base64_decode($_COOKIE[$var]));
295 }elseif(isset($HTTP_COOKIE_VARS[$var])){
296 $_SESSION[$var] = unserialize(base64_decode($HTTP_COOKIE_VARS[$var]));
297 }
298 }
299 }
301 /* are we using accountexpiration */
302 if((isset($config->data['MAIN']['ACCOUNT_EXPIRATION'])) &&
303 preg_match('/true/i', $config->data['MAIN']['ACCOUNT_EXPIRATION'])){
305 $expired= ldap_expired_account($config, $ui->dn, $ui->username);
307 if ($expired == 1){
308 $message= _("Account locked. Please contact your system administrator.");
309 $smarty->assign ('nextfield', 'password');
310 new log("security","login","",array(),"Account for user \"$username\" has expired") ;
311 } elseif ($expired == 3){
312 $plist= new pluglist($config, $ui);
313 foreach ($plist->dirlist as $key => $value){
314 if (preg_match("/\bpassword\b/i",$value)){
315 $plug=$key;
316 new log("security","login","",array(),"User \"$username\" password forced to change") ;
317 header ("Location: main.php?plug=$plug&reset=1");
318 exit;
319 }
320 }
321 }
323 /* Not account expired or password forced change go to main page */
324 new log("security","login","",array(),"User \"$username\" logged in successfully") ;
325 header ("Location: main.php?global_check=1");
326 exit;
328 } else {
329 /* Go to main page */
330 new log("security","login","",array(),"User \"$username\" logged in successfully") ;
331 header ("Location: main.php?global_check=1");
332 exit;
333 }
334 }
335 }
336 }
338 /* Fill template with required values */
339 $smarty->assign ('date', gmdate("D, d M Y H:i:s"));
340 $smarty->assign ('username', $username);
341 $smarty->assign ('personal_img', get_template_path('images/personal.png'));
342 $smarty->assign ('password_img', get_template_path('images/password.png'));
343 $smarty->assign ('directory_img', get_template_path('images/ldapserver.png'));
345 /* Some error to display? */
346 if (!isset($message)){
347 $message= "";
348 }
350 $smarty->assign ("message", $message);
352 /* Displasy SSL mode warning? */
353 if ($ssl != "" && $config->data['MAIN']['WARNSSL'] == 'true'){
354 $smarty->assign ("ssl", "<b>"._("Warning").":<\/b> "._("Session will not be encrypted.")." <a style=\"color:red;\" href=\"$ssl\"><b>"._("Enter SSL session")."<\/b></a>!");
355 } else {
356 $smarty->assign ("ssl", "");
357 }
359 /* Translation of cookie-warning. Whether to display it, is determined by JavaScript */
360 $smarty->assign ("cookies", "<b>"._("Warning").":<\/b> "._("Your browser has cookies disabled. Please enable cookies and reload this page before logging in!"));
363 /* Generate server list */
364 $servers= array();
365 if (isset($_POST['server'])){
366 $selected= validate($_POST['server']);
367 } else {
368 $selected= $config->data['MAIN']['DEFAULT'];
369 }
370 foreach ($config->data['LOCATIONS'] as $key => $ignored){
371 $servers[$key]= $key;
372 }
373 $smarty->assign ("server_options", $servers);
374 $smarty->assign ("server_id", $selected);
376 /* show login screen */
377 $smarty->assign ("PHPSESSID", session_id());
378 if (isset($_SESSION['errors'])){
379 $smarty->assign("errors", $_SESSION['errors']);
380 }
381 if ($error_collector != ""){
382 $smarty->assign("php_errors", preg_replace("/%BUGBODY%/",$error_collector_mailto,$error_collector)."</div>");
383 } else {
384 $smarty->assign("php_errors", "");
385 }
387 /* Set focus to the error button if we've an error message */
388 $focus= "";
389 if (isset($_SESSION['errors']) && $_SESSION['errors'] != ""){
390 $focus= '<script language="JavaScript" type="text/javascript">';
391 $focus.= 'document.forms[0].error_accept.focus();';
392 $focus.= '</script>';
393 }
394 $smarty->assign("focus", $focus);
395 displayLogin();
397 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
398 ?>
400 </body>
401 </html>