ea9bed49ebccfbec02fade4d62f1d2fc63f8ff87
1 <?php
2 /*
3 * This code is part of GOsa (https://gosa.gonicus.de)
4 * Copyright (C) 2003 Cajus Pollmeier
5 *
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.
10 *
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.
15 *
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 /* Configuration file location */
22 define ("CONFIG_DIR", "/etc/gosa");
23 define ("CONFIG_TEMPLATE_DIR", "../contrib/");
25 /* Include required files */
26 require_once ("class_ldap.inc");
27 require_once ("class_config.inc");
28 require_once ("class_userinfo.inc");
29 require_once ("class_plugin.inc");
30 require_once ("class_pluglist.inc");
31 require_once ("class_tabs.inc");
32 require_once ("class_mail-methods.inc");
33 require_once("class_password-methods.inc");
34 require_once ("debuglib.inc");
36 /* Define constants for debugging */
37 define ("DEBUG_TRACE", 1);
38 define ("DEBUG_LDAP", 2);
39 define ("DEBUG_MYSQL", 4);
40 define ("DEBUG_SHELL", 8);
41 define ("DEBUG_POST", 16);
42 define ("DEBUG_SESSION",32);
43 define ("DEBUG_CONFIG", 64);
45 /* Rewrite german 'umlauts' and spanish 'accents'
46 to get better results */
47 $REWRITE= array( "ä" => "ae",
48 "ö" => "oe",
49 "ü" => "ue",
50 "Ä" => "Ae",
51 "Ö" => "Oe",
52 "Ü" => "Ue",
53 "ß" => "ss",
54 "á" => "a",
55 "é" => "e",
56 "í" => "i",
57 "ó" => "o",
58 "ú" => "u",
59 "Á" => "A",
60 "É" => "E",
61 "Í" => "I",
62 "Ó" => "O",
63 "Ú" => "U",
64 "ñ" => "ny",
65 "Ñ" => "Ny" );
68 /* Function to include all class_ files starting at a
69 given directory base */
70 function get_dir_list($folder= ".")
71 {
72 $currdir=getcwd();
73 if ($folder){
74 chdir("$folder");
75 }
77 $dh = opendir(".");
78 while(false !== ($file = readdir($dh))){
80 /* Recurse through all "common" directories */
81 if(is_dir($file) && $file!="." && $file!=".." && $file!="CVS"){
82 get_dir_list($file);
83 continue;
84 }
86 /* Include existing class_ files */
87 if (!is_dir($file) && preg_match("/^class_.*\.inc$/", $file)) {
88 require_once($file);
89 }
90 }
92 closedir($dh);
93 chdir($currdir);
94 }
97 /* Create seed with microseconds */
98 function make_seed() {
99 list($usec, $sec) = explode(' ', microtime());
100 return (float) $sec + ((float) $usec * 100000);
101 }
104 /* Debug level action */
105 function DEBUG($level, $line, $function, $file, $data, $info="")
106 {
107 if ($_SESSION['DEBUGLEVEL'] & $level){
108 $output= "DEBUG[$level] ";
109 if ($function != ""){
110 $output.= "($file:$function():$line) - $info: ";
111 } else {
112 $output.= "($file:$line) - $info: ";
113 }
114 echo $output;
115 if (is_array($data)){
116 print_a($data);
117 } else {
118 echo "'$data'";
119 }
120 echo "<br>";
121 }
122 }
125 /* Simple function to get browser language and convert it to
126 xx_XY needed by locales. Ignores sublanguages and weights. */
127 function get_browser_language()
128 {
129 global $BASE_DIR;
131 /* Get list of languages */
132 if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])){
133 $lang= preg_replace("/\s+/", "", $_SERVER['HTTP_ACCEPT_LANGUAGE']);
134 $languages= split (',', $lang);
135 $languages[]= "C";
136 } else {
137 $languages= array("C");
138 }
140 /* Walk through languages and get first supported */
141 foreach ($languages as $val){
143 /* Strip off weight */
144 $lang= preg_replace("/;q=.*$/i", "", $val);
146 /* Simplify sub language handling */
147 $lang= preg_replace("/-.*$/", "", $lang);
149 /* Cancel loop if available in GOsa, or the last
150 entry has been reached */
151 if (is_dir("$BASE_DIR/locale/$lang")){
152 break;
153 }
154 }
156 return (strtolower($lang)."_".strtoupper($lang));
157 }
160 /* Rewrite ui object to another dn */
161 function change_ui_dn($dn, $newdn)
162 {
163 $ui= $_SESSION['ui'];
164 if ($ui->dn == $dn){
165 $ui->dn= $newdn;
166 $_SESSION['ui']= $ui;
167 }
168 }
171 /* Return theme path for specified file */
172 function get_template_path($filename= '', $plugin= FALSE, $path= "")
173 {
174 global $config, $BASE_DIR;
176 if (!isset($config->data['MAIN']['THEME'])){
177 $theme= 'default';
178 } else {
179 $theme= $config->data['MAIN']['THEME'];
180 }
182 /* Return path for empty filename */
183 if ($filename == ''){
184 return ("themes/$theme/");
185 }
187 /* Return plugin dir or root directory? */
188 if ($plugin){
189 if ($path == ""){
190 $nf= preg_replace("!^".$BASE_DIR."/!", "", $_SESSION['plugin_dir']);
191 } else {
192 $nf= preg_replace("!^".$BASE_DIR."/!", "", $path);
193 }
194 if (file_exists("$BASE_DIR/ihtml/themes/$theme/$nf")){
195 return ("$BASE_DIR/ihtml/themes/$theme/$nf/$filename");
196 }
197 if (file_exists("$BASE_DIR/ihtml/themes/default/$nf")){
198 return ("$BASE_DIR/ihtml/themes/default/$nf/$filename");
199 }
200 if ($path == ""){
201 return ($_SESSION['plugin_dir']."/$filename");
202 } else {
203 return ($path."/$filename");
204 }
205 } else {
206 if (file_exists("themes/$theme/$filename")){
207 return ("themes/$theme/$filename");
208 }
209 if (file_exists("$BASE_DIR/ihtml/themes/$theme/$filename")){
210 return ("$BASE_DIR/ihtml/themes/$theme/$filename");
211 }
212 if (file_exists("themes/default/$filename")){
213 return ("themes/default/$filename");
214 }
215 if (file_exists("$BASE_DIR/ihtml/themes/default/$filename")){
216 return ("$BASE_DIR/ihtml/themes/default/$filename");
217 }
218 return ($filename);
219 }
220 }
223 function array_remove_entries($needles, $haystack)
224 {
225 $tmp= array();
227 /* Loop through entries to be removed */
228 foreach ($haystack as $entry){
229 if (!in_array($entry, $needles)){
230 $tmp[]= $entry;
231 }
232 }
234 return ($tmp);
235 }
238 function gosa_log ($message)
239 {
240 global $ui;
242 /* Preset to something reasonable */
243 $username= " unauthenticated";
245 /* Replace username if object is present */
246 if (isset($ui)){
247 if ($ui->username != ""){
248 $username= "[$ui->username]";
249 } else {
250 $username= "unknown";
251 }
252 }
254 syslog(LOG_INFO,"GOsa$username: $message");
255 }
258 function ldap_init ($server, $base, $binddn='', $pass='')
259 {
260 global $config;
262 $ldap = new LDAP ($binddn, $pass, $server, isset($config->current['RECURSIVE']) && $config->current['RECURSIVE'] == "true",
263 isset($config->current['TLS']) && $config->current['TLS'] == "true");
265 /* Sadly we've no proper return values here. Use the error message instead. */
266 if (!preg_match("/Success/i", $ldap->error)){
267 print_red(sprintf(_("Error when connecting the LDAP. Server said '%s'."),
268 $ldap->get_error()));
269 echo $_SESSION['errors'];
271 /* Hard error. We'd like to use the LDAP, anyway... */
272 exit;
273 }
275 /* Preset connection base to $base and return to caller */
276 $ldap->cd ($base);
277 return $ldap;
278 }
281 function ldap_login_user ($username, $password)
282 {
283 global $config;
285 /* look through the entire ldap */
286 $ldap = $config->get_ldap_link();
287 if (!preg_match("/Success/i", $ldap->error)){
288 print_red(sprintf(_("User login failed. LDAP server said '%s'."), $ldap->get_error()));
289 echo $_SESSION['errors'];
290 exit;
291 }
292 $ldap->cd($config->current['BASE']);
293 $ldap->search("(&(uid=$username)(objectClass=gosaAccount))", array("uid"));
295 /* get results, only a count of 1 is valid */
296 switch ($ldap->count()){
298 /* user not found */
299 case 0: return (NULL);
300 break;
302 /* valid uniq user */
303 case 1:
304 break;
306 /* found more than one matching id */
307 default:
308 print_red(_("Username / UID is not unique. Please check your LDAP database."));
309 return (NULL);
310 }
312 /* LDAP schema is not case sensitive. Perform additional check. */
313 $attrs= $ldap->fetch();
314 if ($attrs['uid'][0] != $username){
315 return(NULL);
316 }
318 /* got user dn, fill acl's */
319 $ui= new userinfo($config, $ldap->getDN());
320 $ui->username= $username;
322 /* password check, bind as user with supplied password */
323 $ldap->disconnect();
324 $ldap= new LDAP($ui->dn, $password, $config->current['SERVER'],
325 isset($config->current['RECURSIVE']) &&
326 $config->current['RECURSIVE'] == "true",
327 isset($config->current['TLS'])
328 && $config->current['TLS'] == "true");
329 if (!preg_match("/Success/i", $ldap->error)){
330 return (NULL);
331 }
333 /* Username is set, load subtreeACL's now */
334 $ui->loadACL();
336 return ($ui);
337 }
340 function add_lock ($object, $user)
341 {
342 global $config;
344 /* Just a sanity check... */
345 if ($object == "" || $user == ""){
346 print_red(_("Error while adding a lock. Parameters are not set correctly, please check the source!"));
347 return;
348 }
350 /* Check for existing entries in lock area */
351 $ldap= $config->get_ldap_link();
352 $ldap->cd ($config->current['CONFIG']);
353 $ldap->search("(&(objectClass=gosaLockEntry)(gosaUser=$user)(gosaObject=$object))",
354 array("gosaUser"));
355 if (!preg_match("/Success/i", $ldap->error)){
356 print_red (sprintf(_("Can't set locking information in LDAP database. Please check the 'config' entry in gosa.conf! LDAP server says '%s'."), $ldap->get_error()));
357 return;
358 }
360 /* Add lock if none present */
361 if ($ldap->count() == 0){
362 $attrs= array();
363 $name= md5($object);
364 $ldap->cd("cn=$name,".$config->current['CONFIG']);
365 $attrs["objectClass"] = "gosaLockEntry";
366 $attrs["gosaUser"] = $user;
367 $attrs["gosaObject"] = $object;
368 $attrs["cn"] = "$name";
369 $ldap->add($attrs);
370 if (!preg_match("/Success/i", $ldap->error)){
371 print_red(sprintf(_("Adding a lock failed. LDAP server says '%s'."),
372 $ldap->get_error()));
373 return;
374 }
375 }
376 }
379 function del_lock ($object)
380 {
381 global $config;
383 /* Sanity check */
384 if ($object == ""){
385 return;
386 }
388 /* Check for existance and remove the entry */
389 $ldap= $config->get_ldap_link();
390 $ldap->cd ($config->current['CONFIG']);
391 $ldap->search ("(&(objectClass=gosaLockEntry)(gosaObject=$object))", array("gosaObject"));
392 $attrs= $ldap->fetch();
393 if ($ldap->getDN() != "" && preg_match("/Success/i", $ldap->error)){
394 $ldap->rmdir ($ldap->getDN());
396 if (!preg_match("/Success/i", $ldap->error)){
397 print_red(sprintf(_("Removing a lock failed. LDAP server says '%s'."),
398 $ldap->get_error()));
399 return;
400 }
401 }
402 }
405 function del_user_locks($userdn)
406 {
407 global $config;
409 /* Get LDAP ressources */
410 $ldap= $config->get_ldap_link();
411 $ldap->cd ($config->current['CONFIG']);
413 /* Remove all objects of this user, drop errors silently in this case. */
414 $ldap->search("(&(objectClass=gosaLockEntry)(gosaUser=$userdn))", array("gosaUser"));
415 while ($attrs= $ldap->fetch()){
416 $ldap->rmdir($attrs['dn']);
417 }
418 }
421 function get_lock ($object)
422 {
423 global $config;
425 /* Sanity check */
426 if ($object == ""){
427 print_red(_("Getting the lock from LDAP failed. Parameters are not set correctly, please check the source!"));
428 return("");
429 }
431 /* Get LDAP link, check for presence of the lock entry */
432 $user= "";
433 $ldap= $config->get_ldap_link();
434 $ldap->cd ($config->current['CONFIG']);
435 $ldap->search("(&(objectClass=gosaLockEntry)(gosaObject=$object))", array("gosaUser"));
436 if (!preg_match("/Success/i", $ldap->error)){
437 print_red (_("Can't get locking information in LDAP database. Please check the 'config' entry in gosa.conf!"));
438 return("");
439 }
441 /* Check for broken locking information in LDAP */
442 if ($ldap->count() > 1){
444 /* Hmm. We're removing broken LDAP information here and issue a warning. */
445 print_red(_("Found multiple locks for object to be locked. This should not be possible - cleaning up multiple references."));
447 /* Clean up these references now... */
448 while ($attrs= $ldap->fetch()){
449 $ldap->rmdir($attrs['dn']);
450 }
452 return("");
454 } elseif ($ldap->count() == 1){
455 $attrs = $ldap->fetch();
456 $user= $attrs['gosaUser'][0];
457 }
459 return ($user);
460 }
463 function get_list($subtreeACL, $filter, $subsearch= TRUE, $base="", $attrs= array(), $flag= FALSE)
464 {
465 global $config;
467 /* Base the search on default base if not set */
468 $ldap= $config->get_ldap_link($flag);
469 if ($base == ""){
470 $ldap->cd ($config->current['BASE']);
471 } else {
472 $ldap->cd ($base);
473 }
475 /* Perform ONE or SUB scope searches? */
476 if ($subsearch) {
477 $ldap->search ($filter, $attrs);
478 } else {
479 $ldap->ls ($filter);
480 }
482 /* Check for size limit exceeded messages for GUI feedback */
483 if (preg_match("/size limit/i", $ldap->error)){
484 $_SESSION['limit_exceeded']= TRUE;
485 } else {
486 $_SESSION['limit_exceeded']= FALSE;
487 }
489 /* Crawl through reslut entries and perform the migration to the
490 result array */
491 $result= array();
492 while($attrs = $ldap->fetch()) {
493 $dn= preg_replace("/[ ]*,[ ]*/", ",", $ldap->getDN());
494 foreach ($subtreeACL as $key => $value){
495 if (preg_match("/$key/", $dn)){
496 $attrs["dn"]= $dn;
497 $result[]= $attrs;
498 break;
499 }
500 }
501 }
503 return ($result);
504 }
507 function check_sizelimit()
508 {
509 /* Ignore dialog? */
510 if (isset($_SESSION['size_ignore']) && $_SESSION['size_ignore']){
511 return ("");
512 }
514 /* Eventually show dialog */
515 if (isset($_SESSION['limit_exceeded']) && $_SESSION['limit_exceeded']){
516 $smarty= get_smarty();
517 $smarty->assign('warning', sprintf(_("The size limit of %d entries is exceed!"),
518 $_SESSION['size_limit']));
519 $smarty->assign('limit_message', sprintf(_("Set the new size limit to %s and show me this message if the limit still exceeds"), '<input type="text" name="new_limit" maxlength="10" size="5" value="'.($_SESSION['size_limit']+100).'">'));
520 return($smarty->fetch(get_template_path('sizelimit.tpl')));
521 }
523 return ("");
524 }
527 function print_sizelimit_warning()
528 {
529 if (isset($_SESSION['size_limit']) && $_SESSION['size_limit'] >= 10000000 ||
530 (isset($_SESSION['limit_exceeded']) && $_SESSION['limit_exceeded'])){
531 $config= "<input type='submit' name='edit_sizelimit' value="._("Configure").">";
532 } else {
533 $config= "";
534 }
535 if (isset($_SESSION['limit_exceeded']) && $_SESSION['limit_exceeded']){
536 return ("("._("incomplete").") $config");
537 }
538 return ("");
539 }
542 function eval_sizelimit()
543 {
544 if (isset($_POST['set_size_action'])){
546 /* User wants new size limit? */
547 if (is_id($_POST['new_limit']) &&
548 isset($_POST['action']) && $_POST['action']=="newlimit"){
550 $_SESSION['size_limit']= validate($_POST['new_limit']);
551 $_SESSION['size_ignore']= FALSE;
552 }
554 /* User wants no limits? */
555 if (isset($_POST['action']) && $_POST['action']=="ignore"){
556 $_SESSION['size_limit']= 0;
557 $_SESSION['size_ignore']= TRUE;
558 }
560 /* User wants incomplete results */
561 if (isset($_POST['action']) && $_POST['action']=="limited"){
562 $_SESSION['size_ignore']= TRUE;
563 }
564 }
566 /* Allow fallback to dialog */
567 if (isset($_POST['edit_sizelimit'])){
568 $_SESSION['size_ignore']= FALSE;
569 }
570 }
573 function get_permissions ($dn, $subtreeACL)
574 {
575 global $config;
577 $base= $config->current['BASE'];
578 $tmp= "d,".$dn;
579 $sacl= array();
581 /* Sort subacl's for lenght to simplify matching
582 for subtrees */
583 foreach ($subtreeACL as $key => $value){
584 $sacl[$key]= strlen($key);
585 }
586 arsort ($sacl);
587 reset ($sacl);
589 /* Successively remove leading parts of the dn's until
590 it doesn't contain commas anymore */
591 while (preg_match('/,/', $tmp)){
592 $tmp= ltrim(strstr($tmp, ","), ",");
594 /* Check for acl that may apply */
595 foreach ($sacl as $key => $value){
596 if (preg_match("/$key$/", $tmp)){
597 return ($subtreeACL[$key]);
598 }
599 }
600 }
602 return array("");
603 }
606 function get_module_permission($acl_array, $module, $dn)
607 {
608 global $ui;
610 $final= "";
611 foreach($acl_array as $acl){
613 /* Check for selfflag (!) in ACL to determine if
614 the user is allowed to change parts of his/her
615 own account */
616 if (preg_match("/^!/", $acl)){
617 if ($dn != "" && $dn != $ui->dn){
619 /* No match for own DN, give up on this ACL */
620 continue;
622 } else {
624 /* Matches own DN, remove the selfflag */
625 $acl= preg_replace("/^!/", "", $acl);
627 }
628 }
630 /* Remove leading garbage */
631 $acl= preg_replace("/^:/", "", $acl);
633 /* Discover if we've access to the submodule by comparing
634 all allowed submodules specified in the ACL */
635 $tmp= split(",", $acl);
636 foreach ($tmp as $mod){
637 if (preg_match("/$module#/", $mod)){
638 $final= strstr($mod, "#")."#";
639 continue;
640 }
641 if (preg_match("/[^#]$module$/", $mod)){
642 return ("#all#");
643 }
644 if (preg_match("/^all$/", $mod)){
645 return ("#all#");
646 }
647 }
648 }
650 /* Return assembled ACL, or none */
651 if ($final != ""){
652 return (preg_replace('/##/', '#', $final));
653 }
655 /* Nothing matches - disable access for this object */
656 return ("#none#");
657 }
660 function get_userinfo()
661 {
662 global $ui;
664 return $ui;
665 }
668 function get_smarty()
669 {
670 global $smarty;
672 return $smarty;
673 }
676 function convert_department_dn($dn)
677 {
678 $dep= "";
680 /* Build a sub-directory style list of the tree level
681 specified in $dn */
682 foreach (split (",", $dn) as $val){
684 /* We're only interested in organizational units... */
685 if (preg_match ("/ou=/", $val)){
686 $dep= preg_replace("/ou=([^,]+)/", "\\1", $val)."/$dep";
687 }
689 /* ... and location objects */
690 if (preg_match ("/l=/", $val)){
691 $dep= preg_replace("/l=([^,]+)/", "\\1", $val)."/$dep";
692 }
693 }
695 /* Return and remove accidently trailing slashes */
696 return rtrim($dep, "/");
697 }
700 function get_ou($name)
701 {
702 global $config;
704 $ou= $config->current[$name];
705 if ($ou != ""){
706 if (!preg_match('/^[^=]+=[^=]+/', $ou)){
707 return "ou=$ou,";
708 } else {
709 return "$ou,";
710 }
711 } else {
712 return "";
713 }
714 }
717 function get_people_ou()
718 {
719 return (get_ou("PEOPLE"));
720 }
723 function get_groups_ou()
724 {
725 return (get_ou("GROUPS"));
726 }
729 function get_winstations_ou()
730 {
731 return (get_ou("WINSTATIONS"));
732 }
735 function get_base_from_people($dn)
736 {
737 global $config;
739 $pattern= "/^[^,]+,".preg_quote(get_people_ou())."/";
740 $base= preg_replace($pattern, '', $dn);
742 /* Set to base, if we're not on a correct subtree */
743 if (!isset($config->idepartments[$base])){
744 $base= $config->current['BASE'];
745 }
747 return ($base);
748 }
751 function get_departments($ignore_dn= "")
752 {
753 global $config;
755 /* Initialize result hash */
756 $result= array();
757 $result['/']= $config->current['BASE'];
759 /* Get list of department objects */
760 $ldap= $config->get_ldap_link();
761 $ldap->cd ($config->current['BASE']);
762 $ldap->search ("(objectClass=gosaDepartment)", array("ou"));
763 while ($attrs= $ldap->fetch()){
764 $dn= $ldap->getDN();
765 if ($dn == $ignore_dn){
766 continue;
767 }
768 $result[convert_department_dn($dn)]= $dn;
769 }
771 return ($result);
772 }
775 function chkacl($acl, $name)
776 {
777 /* Look for attribute in ACL */
778 if (preg_match("/#$name#/", $acl) || $acl == "#all#"){
779 return ("");
780 }
782 /* Optically disable html object for no match */
783 return (" disabled ");
784 }
787 function is_phone_nr($nr)
788 {
789 if ($nr == ""){
790 return (TRUE);
791 }
793 return preg_match ("/^[0-9 ()+*-]+$/", $nr);
794 }
797 function is_url($url)
798 {
799 if ($url == ""){
800 return (TRUE);
801 }
803 return preg_match ("/^(http|https):\/\/((?:[a-zA-Z0-9_-]+\.?)+):?(\d*)/", $url);
804 }
807 function is_dn($dn)
808 {
809 if ($dn == ""){
810 return (TRUE);
811 }
813 return preg_match ("/^[a-z0-9 _-]+$/i", $dn);
814 }
817 function is_uid($uid)
818 {
819 global $config;
821 if ($uid == ""){
822 return (TRUE);
823 }
825 /* STRICT adds spaces and case insenstivity to the uid check.
826 This is dangerous and should not be used. */
827 if (isset($config->current['STRICT']) && preg_match('/^no$/i', $config->current['STRICT'])){
828 return preg_match ("/^[a-z0-9 _.-]+$/i", $uid);
829 } else {
830 return preg_match ("/^[a-z0-9_-]+$/", $uid);
831 }
832 }
835 function is_id($id)
836 {
837 if ($id == ""){
838 return (FALSE);
839 }
841 return preg_match ("/^[0-9]+$/", $id);
842 }
845 function is_path($path)
846 {
847 if ($path == ""){
848 return (TRUE);
849 }
850 if (!preg_match('/^[a-z0-9%\/_.+-]+$/i', $path)){
851 return (FALSE);
852 }
854 return preg_match ("/\/.+$/", $path);
855 }
858 function is_email($address, $template= FALSE)
859 {
860 if ($address == ""){
861 return (TRUE);
862 }
863 if ($template){
864 return preg_match ("/^[._a-z0-9%-]+@[_a-z0-9-]+(\.[a-z0-9-]+)(\.[a-z0-9-]+)*$/i",
865 $address);
866 } else {
867 return preg_match ("/^[._a-z0-9-]+@[_a-z0-9-]+(\.[a-z0-9i-]+)(\.[a-z0-9-]+)*$/i",
868 $address);
869 }
870 }
873 function print_red()
874 {
875 /* Check number of arguments */
876 if (func_num_args() < 1){
877 return;
878 }
880 /* Get arguments, save string */
881 $array = func_get_args();
882 $string= $array[0];
884 /* Step through arguments */
885 for ($i= 1; $i<count($array); $i++){
886 $string= preg_replace ("/%s/", $array[$i], $string, 1);
887 }
889 /* If DEBUGLEVEL is set, we're in web mode, use textual output in
890 the other case... */
891 if (isset($_SESSION['DEBUGLEVEL'])){
892 $_SESSION['errors'].= "<div align=\"left\" style=\"border-width:5px;".
893 "border-style:solid;border-color:red; background-color:black;".
894 "margin-bottom:10px; padding:8px;\"><table><tr><td><img alt=\"\" src=\"".
895 get_template_path('images/warning.png')."\"></td>".
896 "<td width=\"100%\" align=\"center\"><font color=\"#FFFFFF\">".
897 "<b style='font-size:16px;'>$string</b></font></td><td>".
898 "<img alt=\"\"src=\"".get_template_path('images/warning.png').
899 "\"></td></tr></table></div>\n";
900 } else {
901 echo "Error: $string\n";
902 }
903 }
906 function gen_locked_message($user, $dn)
907 {
908 global $plug, $config;
910 $_SESSION['dn']= $dn;
911 $ldap= $config->get_ldap_link();
912 $ldap->cat ($user);
913 $attrs= $ldap->fetch();
914 $uid= $attrs["uid"][0];
916 /* Prepare and show template */
917 $smarty= get_smarty();
918 $smarty->assign ("dn", $dn);
919 $smarty->assign ("message", sprintf(_("You're going to edit the LDAP entry '%s' which appears to be used by '%s'. Please contact the person in order to clarify proceedings."), $dn, "<a href=\"main.php?plug=0&viewid=$uid\">$uid</a>"));
921 return ($smarty->fetch (get_template_path('islocked.tpl')));
922 }
925 function to_string ($value)
926 {
927 /* If this is an array, generate a text blob */
928 if (is_array($value)){
929 $ret= "";
930 foreach ($value as $line){
931 $ret.= $line."<br>\n";
932 }
933 return ($ret);
934 } else {
935 return ($value);
936 }
937 }
940 function get_printer_list($cups_server)
941 {
942 global $config;
944 $res= array();
946 /* Use CUPS, if we've access to it */
947 if (function_exists('cups_get_dest_list')){
948 $dest_list= cups_get_dest_list ($cups_server);
950 foreach ($dest_list as $prt){
951 $attr= cups_get_printer_attributes ($cups_server, $prt->name);
953 foreach ($attr as $prt_info){
954 if ($prt_info->name == "printer-info"){
955 $info= $prt_info->value;
956 break;
957 }
958 }
959 $res[$prt->name]= "$info [$prt->name]";
960 }
962 /* CUPS is not available, try lpstat as a replacement */
963 } else {
964 unset ($ar);
965 exec("lpstat -p", $ar);
966 foreach($ar as $val){
967 list($dummy, $printer, $rest)= split(' ', $val, 3);
968 if (preg_match('/^[^@]+$/', $printer)){
969 $res[$printer]= "$printer";
970 }
971 }
972 }
974 /* Merge in printers from LDAP */
975 $ldap= $config->get_ldap_link();
976 $ldap->cd ($config->current['BASE']);
977 $ldap->search('(objectClass=gotoPrinter)', array('cn'));
978 while ($attrs= $ldap->fetch()){
979 $res[$attrs["cn"][0]]= $attrs["cn"][0];
980 }
982 return $res;
983 }
986 function sess_del ($var)
987 {
988 /* New style */
989 unset ($_SESSION[$var]);
991 /* ... work around, since the first one
992 doesn't seem to work all the time */
993 session_unregister ($var);
994 }
997 function show_errors($message)
998 {
999 $complete= "";
1001 /* Assemble the message array to a plain string */
1002 foreach ($message as $error){
1003 if ($complete == ""){
1004 $complete= $error;
1005 } else {
1006 $complete= "$error<br>$complete";
1007 }
1008 }
1010 /* Fill ERROR variable with nice error dialog */
1011 print_red($complete);
1012 }
1015 function show_ldap_error($message)
1016 {
1017 if (!preg_match("/Success/i", $message)){
1018 print_red (_("LDAP error:")." $message");
1019 return TRUE;
1020 } else {
1021 return FALSE;
1022 }
1023 }
1026 function rewrite($s)
1027 {
1028 global $REWRITE;
1030 foreach ($REWRITE as $key => $val){
1031 $s= preg_replace("/$key/", "$val", $s);
1032 }
1034 return ($s);
1035 }
1038 function dn2base($dn)
1039 {
1040 global $config;
1042 if (get_people_ou() != ""){
1043 $dn= preg_replace('/,'.get_people_ou().'/' , ',', $dn);
1044 }
1045 if (get_groups_ou() != ""){
1046 $dn= preg_replace('/,'.get_groups_ou().'/' , ',', $dn);
1047 }
1048 $base= preg_replace ('/^[^,]+,/i', '', $dn);
1050 return ($base);
1051 }
1055 function check_command($cmdline)
1056 {
1057 $cmd= preg_replace("/ .*$/", "", $cmdline);
1059 /* Check if command exists in filesystem */
1060 if (!file_exists($cmd)){
1061 return (FALSE);
1062 }
1064 /* Check if command is executable */
1065 if (!is_executable($cmd)){
1066 return (FALSE);
1067 }
1069 return (TRUE);
1070 }
1073 function print_header($image, $headline, $info= "")
1074 {
1075 $display= "<div class=\"plugtop\">\n";
1076 $display.= " <img src=\"$image\" align=\"middle\" alt=\"*\"> $headline\n";
1077 $display.= "</div>\n";
1079 if ($info != ""){
1080 $display.= "<div class=\"pluginfo\">\n";
1081 $display.= "$info";
1082 $display.= "</div>\n";
1083 } else {
1084 $display.= "<div style=\"height:5px;\">\n";
1085 $display.= " ";
1086 $display.= "</div>\n";
1087 }
1089 return ($display);
1090 }
1093 function register_global($name, $object)
1094 {
1095 $_SESSION[$name]= $object;
1096 }
1099 function is_global($name)
1100 {
1101 return isset($_SESSION[$name]);
1102 }
1105 function get_global($name)
1106 {
1107 return $_SESSION[$name];
1108 }
1111 function range_selector($dcnt,$start,$range=25)
1112 {
1114 /* Entries shown left and right from the selected entry */
1115 $max_entries= 10;
1117 /* Initialize and take care that max_entries is even */
1118 $output="";
1119 if ($max_entries & 1){
1120 $max_entries++;
1121 }
1123 /* Prevent output to start or end out of range */
1124 if ($start < 0 ){
1125 $start= 0 ;
1126 }
1127 if ($start >= $dcnt){
1128 $start= $range * (int)(($dcnt / $range) + 0.5);
1129 }
1131 $numpages= (($dcnt / $range));
1132 if(((int)($numpages))!=($numpages))
1133 $numpages = (int)$numpages + 1;
1134 $ppage= (int)(($start / $range) + 0.5);
1137 /* Align selected page to +/- max_entries/2 */
1138 $begin= $ppage - $max_entries/2;
1139 $end= $ppage + $max_entries/2;
1141 /* Adjust begin/end, so that the selected value is somewhere in
1142 the middle and the size is max_entries if possible */
1143 if ($begin < 0){
1144 $end-= $begin + 1;
1145 $begin= 0;
1146 }
1147 if ($end > $numpages) {
1148 $end= $numpages;
1149 }
1150 if (($end - $begin) < $max_entries && ($end - $max_entries) > 0){
1151 $begin= $end - $max_entries;
1152 }
1154 /* Draw decrement */
1155 if ($start > 0 ) {
1156 $output.=" <a href= \"main.php?plug=".validate($_GET['plug'])."&start=".
1157 (($start-$range))."\">".
1158 "<img alt=\"\" src=\"images/back.png\" border=0 align=\"middle\"></a>";
1159 }
1161 /* Draw pages */
1162 for ($i= $begin; $i < $end; $i++) {
1163 if ($ppage == $i){
1164 $output.= "<a style=\"background-color:#D0D0D0;\" href=\"main.php?plug=".
1165 validate($_GET['plug'])."&start=".
1166 ($i*$range)."\"> ".($i+1)." </a>";
1167 } else {
1168 $output.= "<a href=\"main.php?plug=".validate($_GET['plug']).
1169 "&start=".($i*$range)."\"> ".($i+1)." </a>";
1170 }
1171 }
1173 /* Draw increment */
1174 if($start < ($dcnt-$range)) {
1175 $output.=" <a href= \"main.php?plug=".validate($_GET['plug'])."&start=".
1176 (($start+($range)))."\">".
1177 "<img alt=\"\" src=\"images/forward.png\" border=0 align=\"middle\"></a>";
1178 }
1180 return($output);
1181 }
1184 function apply_filter()
1185 {
1186 $apply= "";
1188 $apply= ''.
1189 '<table width="100%" style="border-top:1px solid #B0B0B0;"><tr><td width="100%" align="right">'.
1190 '<input type="submit" name="apply" value="'._("Apply").'"></td></tr></table>';
1192 return ($apply);
1193 }
1196 function back_to_main()
1197 {
1198 $string= '<br><p class="plugbottom"><input type=submit name="password_back" value="'.
1199 _("Back").'"></p><input type="hidden" name="ignore">';
1201 return ($string);
1202 }
1205 function normalize_netmask($netmask)
1206 {
1207 /* Check for notation of netmask */
1208 if (!preg_match('/^([0-9]+\.){3}[0-9]+$/', $netmask)){
1209 $num= (int)($netmask);
1210 $netmask= "";
1212 for ($byte= 0; $byte<4; $byte++){
1213 $result=0;
1215 for ($i= 7; $i>=0; $i--){
1216 if ($num-- > 0){
1217 $result+= pow(2,$i);
1218 }
1219 }
1221 $netmask.= $result.".";
1222 }
1224 return (preg_replace('/\.$/', '', $netmask));
1225 }
1227 return ($netmask);
1228 }
1231 function netmask_to_bits($netmask)
1232 {
1233 list($nm0, $nm1, $nm2, $nm3)= split('\.', $netmask);
1234 $res= 0;
1236 for ($n= 0; $n<4; $n++){
1237 $start= 255;
1238 $name= "nm$n";
1240 for ($i= 0; $i<8; $i++){
1241 if ($start == (int)($$name)){
1242 $res+= 8 - $i;
1243 break;
1244 }
1245 $start-= pow(2,$i);
1246 }
1247 }
1249 return ($res);
1250 }
1253 function recurse($rule, $variables)
1254 {
1255 $result= array();
1257 if (!count($variables)){
1258 return array($rule);
1259 }
1261 reset($variables);
1262 $key= key($variables);
1263 $val= current($variables);
1264 unset ($variables[$key]);
1266 foreach($val as $possibility){
1267 $nrule= preg_replace("/\{$key\}/", $possibility, $rule);
1268 $result= array_merge($result, recurse($nrule, $variables));
1269 }
1271 return ($result);
1272 }
1275 function expand_id($rule, $attributes)
1276 {
1277 /* Check for id rule */
1278 if(preg_match('/^id(:|#)\d+$/',$rule)){
1279 return (array("\{$rule}"));
1280 }
1282 /* Check for clean attribute */
1283 if (preg_match('/^%[a-zA-Z0-9]+$/', $rule)){
1284 $rule= preg_replace('/^%/', '', $rule);
1285 $val= rewrite(preg_replace('/ /', '', strtolower($attributes[$rule])));
1286 return (array($val));
1287 }
1289 /* Check for attribute with parameters */
1290 if (preg_match('/^%[a-zA-Z0-9]+\[[0-9-]+\]$/', $rule)){
1291 $param= preg_replace('/^[^[]+\[([^]]+)]$/', '\\1', $rule);
1292 $part= preg_replace('/^%/', '', preg_replace('/\[.*$/', '', $rule));
1293 $val= rewrite(preg_replace('/ /', '', strtolower($attributes[$part])));
1294 $start= preg_replace ('/-.*$/', '', $param);
1295 $stop = preg_replace ('/^[^-]+-/', '', $param);
1297 /* Assemble results */
1298 $result= array();
1299 for ($i= $start; $i<= $stop; $i++){
1300 $result[]= substr($val, 0, $i);
1301 }
1302 return ($result);
1303 }
1305 echo "Error in idgen string: don't know how to handle rule $rule.\n";
1306 return (array($rule));
1307 }
1310 function gen_uids($rule, $attributes)
1311 {
1312 global $config;
1314 /* Search for keys and fill the variables array with all
1315 possible values for that key. */
1316 $part= "";
1317 $trigger= false;
1318 $stripped= "";
1319 $variables= array();
1321 for ($pos= 0; $pos < strlen($rule); $pos++){
1323 if ($rule[$pos] == "{" ){
1324 $trigger= true;
1325 $part= "";
1326 continue;
1327 }
1329 if ($rule[$pos] == "}" ){
1330 $variables[$pos]= expand_id($part, $attributes);
1331 $stripped.= "\{$pos}";
1332 $trigger= false;
1333 continue;
1334 }
1336 if ($trigger){
1337 $part.= $rule[$pos];
1338 } else {
1339 $stripped.= $rule[$pos];
1340 }
1341 }
1343 /* Recurse through all possible combinations */
1344 $proposed= recurse($stripped, $variables);
1346 /* Get list of used ID's */
1347 $used= array();
1348 $ldap= $config->get_ldap_link();
1349 $ldap->cd($config->current['BASE']);
1350 $ldap->search('(uid=*)');
1352 while($attrs= $ldap->fetch()){
1353 $used[]= $attrs['uid'][0];
1354 }
1356 /* Remove used uids and watch out for id tags */
1357 $ret= array();
1358 foreach($proposed as $uid){
1360 /* Check for id tag and modify uid if needed */
1361 if(preg_match('/\{id:\d+}/',$uid)){
1362 $size= preg_replace('/^.*{id:(\d+)}.*$/', '\\1', $uid);
1364 for ($i= 0; $i < pow(10,$size); $i++){
1365 $number= sprintf("%0".$size."d", $i);
1366 $res= preg_replace('/{id:(\d+)}/', $number, $uid);
1367 if (!in_array($res, $used)){
1368 $uid= $res;
1369 break;
1370 }
1371 }
1372 }
1374 if(preg_match('/\{id#\d+}/',$uid)){
1375 $size= preg_replace('/^.*{id#(\d+)}.*$/', '\\1', $uid);
1377 while (true){
1378 mt_srand((double) microtime()*1000000);
1379 $number= sprintf("%0".$size."d", mt_rand(0, pow(10, $size)-1));
1380 $res= preg_replace('/{id#(\d+)}/', $number, $uid);
1381 if (!in_array($res, $used)){
1382 $uid= $res;
1383 break;
1384 }
1385 }
1386 }
1388 /* Don't assign used ones */
1389 if (!in_array($uid, $used)){
1390 $ret[]= $uid;
1391 }
1392 }
1394 return(array_unique($ret));
1395 }
1398 function array_search_r($needle, $key, $haystack){
1400 foreach($haystack as $index => $value){
1401 $match= 0;
1403 if (is_array($value)){
1404 $match= array_search_r($needle, $key, $value);
1405 }
1407 if ($index==$key && !is_array($value) && preg_match("/$needle/i", $value)){
1408 $match=1;
1409 }
1411 if ($match){
1412 return 1;
1413 }
1414 }
1416 return 0;
1417 }
1420 /* Sadly values like memory_limit are perpended by K, M, G, etc.
1421 Need to convert... */
1422 function to_byte($value) {
1423 $value= strtolower(trim($value));
1425 if(!is_numeric(substr($value, -1))) {
1427 switch(substr($value, -1)) {
1428 case 'g':
1429 $mult= 1073741824;
1430 break;
1431 case 'm':
1432 $mult= 1048576;
1433 break;
1434 case 'k':
1435 $mult= 1024;
1436 break;
1437 }
1439 return ($mult * (int)substr($value, 0, -1));
1440 } else {
1441 return $value;
1442 }
1443 }
1446 function in_array_ics($value, $items)
1447 {
1448 if (!is_array($items)){
1449 return (FALSE);
1450 }
1452 foreach ($items as $item){
1453 if (strtolower($item) == strtolower($value)) {
1454 return (TRUE);
1455 }
1456 }
1458 return (FALSE);
1459 }
1462 function generate_alphabet($count= 10)
1463 {
1464 $characters= _("*ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
1465 $alphabet= "";
1466 $c= 0;
1468 /* Fill cells with charaters */
1469 for ($i= 0; $i<mb_strlen($characters, 'UTF8'); $i++){
1470 if ($c == 0){
1471 $alphabet.= "<tr>";
1472 }
1474 $ch = mb_substr($characters, $i, 1, "UTF8");
1475 $alphabet.= "<td><a class=\"alphaselect\" href=\"main.php?plug=".
1476 validate($_GET['plug'])."&search=".$ch."\"> ".$ch." </a></td>";
1478 if ($c++ == $count){
1479 $alphabet.= "</tr>";
1480 $c= 0;
1481 }
1482 }
1484 /* Fill remaining cells */
1485 while ($c++ <= $count){
1486 $alphabet.= "<td> </td>";
1487 }
1489 return ($alphabet);
1490 }
1493 function validate($string)
1494 {
1495 return (strip_tags(preg_replace('/\0/', '', $string)));
1496 }
1498 function get_gosa_version()
1499 {
1500 /* Variables filled in by subversion */
1501 $svn_path = '$HeadURL$';
1502 $svn_revision = '$Revision$';
1504 /* Extract informations */
1505 $revision= preg_replace('/^[^0-9]*([0-9]+)[^0-9]*$/', '\1', $svn_revision);
1507 /* Release or development? */
1508 if (preg_match('%/gosa/trunk/%', $svn_path)){
1509 return (sprintf(_("GOsa development snapshot (Rev %s)"), $revision));
1510 } else {
1511 $release= preg_replace('%^.*/([^/]+)/include/functions.inc.*$%', '\1', $svn_path);
1512 return (sprintf(_("GOsa $release"), $revision));
1513 }
1514 }
1516 function gosaRaiseError($errno, $errstr, $errfile, $errline)
1517 {
1518 global $error_collector;
1520 /* Return if error reporting is set to zero */
1521 if (error_reporting() == 0){
1522 return;
1523 }
1525 /* Workaround for buggy imap_open error outputs */
1526 if (preg_match('/imap_open/', $errstr)){
1527 return;
1528 }
1530 /* FIXME: Workaround for PHP5 error message flooding. The new OOM
1531 code want's us to use public/protected/private instead of flat
1532 var declarations. For now I can't workaround this - let's ignore
1533 the messages till the next major release which may drop support
1534 for PHP4. */
1535 if (preg_match('/var: Deprecated./', $errstr)){
1536 return;
1537 }
1539 /* FIXME: Same as above. Compatibility does error flooding.*/
1540 if (preg_match('/zend.ze1_compatibility_mode/', $errstr)){
1541 return;
1542 }
1544 /* FIXME: Hide ldap size limit messages */
1545 if (preg_match('/ldap_error/', $errstr)){
1546 if (preg_match('/sizelimit/', $errstr)){
1547 return;
1548 }
1549 }
1551 /* Create header as needed */
1552 if ($error_collector == ""){
1553 if ($_SESSION['js']==FALSE){
1554 $error_collector= "<div>";
1555 } else {
1556 $error_collector= "<table width=\"100%\" style='background-color:#E0E0E0;border-bottom:1px solid black'><tr><td><img alt=\"\" align=\"middle\" src='".get_template_path('images/warning.png')."'> <font style='font-size:14px;font-weight:bold'>"._("Generating this page caused the PHP interpreter to raise some errors!")."</font></td><td align=right><button onClick='toggle(\"errorbox\")'>"._("Toggle information")."</button></td></tr></table><div id='errorbox' style='position:absolute; z-index:0; visibility: hidden'>";
1557 }
1558 }
1560 /* Create error header */
1561 $error_collector.= "<table width=\"100%\" cellspacing=0 style='background-color:#402005;color:white;border:2px solid red'><tr><td colspan=3><h1 style='color:white'>"._("PHP error")." \"$errstr\"</h1></td></tr>";
1563 /* Extract traceback data - if available */
1564 if (function_exists('debug_backtrace')){
1565 $trace= debug_backtrace();
1567 /* Generate trace history */
1568 for ($index= 1; $index<count($trace); $index++){
1569 $ct= $trace[$index];
1570 $loc= "";
1571 if (isset($ct['class'])){
1572 $loc.= _("class")." ".$ct['class'];
1573 if (isset($ct['function'])){
1574 $loc.= " / ";
1575 }
1576 }
1577 if (isset($ct['function'])){
1578 $loc.= _("function")." ".$ct['function'];
1579 }
1580 if (isset($ct['type'])){
1581 switch ($ct['type']){
1582 case "::":
1583 $type= _("static");
1584 break;
1586 case "->":
1587 $type= _("method");
1588 break;
1589 }
1590 } else {
1591 $type= "-";
1592 }
1593 $args= "";
1594 foreach ($ct['args'] as $arg){
1595 $args.= htmlentities("\"$arg\", ");
1596 }
1597 $args= preg_replace("/, $/", "", $args);
1598 if ($args == ""){
1599 $args= "-";
1600 }
1601 $file= $ct['file'];
1602 $line= $ct['line'];
1603 $color= ($index&1)?'#404040':'606060';
1604 $error_collector.= "<tr style='background-color:$color'><td style='padding-left:20px' width=\"30%\">"._("Trace")."[$index]: $loc</td>";
1605 $error_collector.= "<td>"._("File").": $file ("._('Line')." $line)</td><td width=\"10%\">"._("Type").": $type</td></tr>";
1606 $error_collector.= "<tr style='background-color:$color'><td colspan=3 style='padding-left:20px;'>"._("Arguments").": $args</td></tr>";
1607 }
1608 }
1610 /* Close error table */
1611 $error_collector.= "</table>";
1613 /* Write to syslog */
1614 gosa_log ("PHP error: $errstr ($errfile, line $errline)");
1615 }
1618 function dummy_error_handler()
1619 {
1620 }
1623 function clean_smarty_compile_dir($directory)
1624 {
1625 $svn_revision = '$Revision$';
1627 /* Is there a stamp containing the current revision? */
1628 # check for "$config->...['CONFIG']/revision" and the
1629 # contents should match the revision number
1631 /* No, the revision has changed - and possibly the templates/translations.
1632 Drop the contents of $directory now... */
1633 if (true){
1634 # Recursively delete contents "$config->...['CONFIG']". and create
1635 # new revision file. NO folow symlinks!!!
1636 ;
1637 }
1639 }
1642 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1643 ?>