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 class userinfo
24 {
25 var $dn;
26 var $ip;
27 var $username;
28 var $cn;
29 var $uid;
30 var $restrictions= array();
31 var $gidNumber= -1;
32 var $language= "";
33 var $config;
34 var $gosaUnitTag= "";
35 var $subtreeACL= array();
36 var $ACL= array();
37 var $ocMapping= array();
38 var $groups= array();
39 var $result_cache =array();
40 var $ignoreACL = NULL;
41 var $ACLperPath = array();
42 var $ACLperPath_usesFilter = array();
44 /* get acl's an put them into the userinfo object
45 attr subtreeACL (userdn:components, userdn:component1#sub1#sub2,component2,...) */
46 function userinfo(&$config, $userdn){
47 $this->config= &$config;
48 $ldap= $this->config->get_ldap_link();
49 $ldap->cat($userdn,array('sn', 'givenName', 'uid', 'gidNumber', 'preferredLanguage', 'gosaUnitTag', 'gosaLoginRestriction'));
50 $attrs= $ldap->fetch();
52 if (isset($attrs['givenName'][0]) && isset($attrs['sn'][0])){
53 $this->cn= $attrs['givenName'][0]." ".$attrs['sn'][0];
54 } else {
55 $this->cn= $attrs['uid'][0];
56 }
57 if (isset($attrs['gidNumber'][0])){
58 $this->gidNumber= $attrs['gidNumber'][0];
59 }
61 /* Restrictions? */
62 if (isset($attrs['gosaLoginRestriction'])){
63 $this->restrictions= $attrs['gosaLoginRestriction'];
64 unset($this->restrictions['count']);
65 }
67 /* Assign user language */
68 if (isset($attrs['preferredLanguage'][0])){
69 $this->language= $attrs['preferredLanguage'][0];
70 }
72 if (isset($attrs['gosaUnitTag'][0])){
73 $this->gosaUnitTag= $attrs['gosaUnitTag'][0];
74 }
76 $this->dn= $userdn;
77 $this->uid= $attrs['uid'][0];
78 $this->ip= $_SERVER['REMOTE_ADDR'];
80 /* Initialize ACL_CACHE */
81 $this->reset_acl_cache();
82 }
85 public function reset_acl_cache()
86 {
87 /* Initialize ACL_CACHE */
88 session::global_set('ACL_CACHE',array());
89 }
91 function loadACL()
92 {
93 $this->ACL= array();
94 $this->allACLs= array();
95 $this->groups= array();
96 $this->result_cache =array();
97 $this->reset_acl_cache();
98 $ldap= $this->config->get_ldap_link();
99 $ldap->cd($this->config->current['BASE']);
101 /* Get member groups... */
102 $ldap->search("(&(objectClass=posixGroup)(memberUid=".$this->uid."))", array('dn'));
103 while ($attrs= $ldap->fetch()){
104 $this->groups[$attrs['dn']]= $attrs['dn'];
105 }
107 /* Crawl through ACLs and move relevant to the tree */
108 $ldap->search("(objectClass=gosaACL)", array('dn', 'gosaAclEntry'));
109 $aclp= array();
110 $aclc= array();
111 while ($attrs= $ldap->fetch()){
113 /* Insert links in ACL array */
114 $aclp[$attrs['dn']]= substr_count($attrs['dn'], ',');
115 $aclc[$attrs['dn']]= array();
116 $ol= array();
117 for($i= 0; $i<$attrs['gosaAclEntry']['count']; $i++){
118 $ol= array_merge($ol, @acl::explodeAcl($attrs['gosaAclEntry'][$i]));
119 }
120 $aclc[$attrs['dn']]= $ol;
121 }
123 /* Resolve roles here.
124 */
125 foreach($aclc as $dn => $data){
126 foreach($data as $prio => $aclc_value) {
127 if($aclc_value['type'] == "role"){
129 unset($aclc[$dn][$prio]);
131 $ldap->cat($aclc_value['acl'],array("gosaAclTemplate"));
132 $attrs = $ldap->fetch();
134 if(isset($attrs['gosaAclTemplate'])){
135 for($i= 0; $i<$attrs['gosaAclTemplate']['count']; $i++){
136 $tmp = @acl::explodeAcl($attrs['gosaAclTemplate'][$i]);
138 foreach($tmp as $new_acl){
140 /* Keep non role attributes here! */
141 $new_acl['filter'] = $aclc_value['filter'];
142 $new_acl['members'] = $aclc_value['members'];
143 $aclc[$dn][] =$new_acl;
144 }
145 }
146 }
147 }
148 }
149 }
151 /* ACL's read, sort for tree depth */
152 asort($aclp);
154 /* Sort in tree order */
155 foreach ($aclp as $dn => $acl){
156 /* Check if we need to keep this ACL */
157 foreach($aclc[$dn] as $idx => $type){
158 $interresting= FALSE;
160 /* No members? This ACL rule is deactivated ... */
161 if (!count($type['members'])){
162 $interresting= FALSE;
163 } else {
165 /* Inspect members... */
166 foreach ($type['members'] as $grp => $grpdsc){
168 /* Some group inside the members that is relevant for us? */
169 if (in_array_ics(@LDAP::convert(preg_replace('/^G:/', '', $grp)), $this->groups)){
170 $interresting= TRUE;
171 }
173 /* User inside the members? */
174 if (preg_replace('/^U:/', '', $grp) == $this->dn){
175 $interresting= TRUE;
176 }
178 /* Wildcard? */
179 if (preg_match('/^G:\*/', $grp)){
180 $interresting= TRUE;
181 }
182 $this->allACLs[$dn][$idx]= $type;
183 }
184 }
186 if ($interresting){
187 if (!isset($this->ACL[$dn])){
188 $this->ACL[$dn]= array();
189 }
190 $this->ACL[$dn][$idx]= $type;
191 }
192 }
193 }
195 /* Create an array which represenet all relevant permissions settings
196 per dn.
198 The array will look like this:
200 . ['ou=base'] ['ou=base'] = array(ACLs);
201 .
202 . ['ou=dep1,ou=base']['ou=dep1,ou=base'] = array(ACLs);
203 . ['ou=base'] = array(ACLs);
206 For object located in 'ou=dep1,ou=base' we have to both ACLs,
207 for objects in 'ou=base' we only have to apply on ACL.
208 */
209 $without_self_acl = $all_acl = array();
210 foreach($this->ACL as $dn => $acl){
211 $sdn =$dn;
212 $first= TRUE; // Run at least once
213 while(strpos($dn,",") !== FALSE || $first){
214 $first = FALSE;
215 if(isset($this->ACL[$dn])){
216 $all_acl[$sdn][$dn] = $this->ACL[$dn];
217 $without_self_acl[$sdn][$dn] = $this->ACL[$dn];
218 foreach($without_self_acl[$sdn][$dn] as $acl_id => $acl_set){
220 /* Remember which ACL set has speicial user filter
221 */
222 if(isset($acl_set['filter']{1})){
223 $this->ACLperPath_usesFilter[$sdn] = TRUE;
224 }
226 /* Remove all acl entries which are especially for the current user (self acl)
227 */
228 if(isset($acl_set['acl'])){
229 foreach($acl_set['acl'] as $object => $object_acls){
230 if(isset($object_acls[0]) && strpos($object_acls[0],"s")){
231 unset($without_self_acl[$sdn][$dn][$acl_id]['acl'][$object]);
232 }
233 }
234 }
235 }
236 }
237 $dn = preg_replace("/^[^,]*+,/","",$dn);
238 }
239 }
240 $this->ACLperPath =$without_self_acl;
242 /* Append Self entry */
243 $dn = $this->dn;
244 while(strpos($dn,",") && !isset($all_acl[$dn])){
245 $dn = preg_replace("/^[^,]*+,/","",$dn);
246 }
247 if(isset($all_acl[$dn])){
248 $this->ACLperPath[$this->dn] = $all_acl[$dn];
249 }
250 }
253 /* Returns an array containing all target objects we've permssions on.
254 */
255 function get_acl_target_objects()
256 {
257 return(array_keys($this->ACLperPath));
258 }
261 function get_category_permissions($dn, $category, $any_acl = FALSE)
262 {
263 return($this->get_permissions($dn,$category.'/0',""));
264 }
267 /*! \brief Check if the given object (dn) is copyable
268 @param String The object dn
269 @param String The acl category (e.g. users)
270 @param String The acl class (e.g. user)
271 @return Boolean TRUE if the given object is copyable else FALSE
272 */
273 function is_copyable($dn, $object, $class)
274 {
275 return(preg_match("/r/",$this->has_complete_category_acls($dn, $object)));
276 }
279 /*! \brief Check if the given object (dn) is cutable
280 @param String The object dn
281 @param String The acl category (e.g. users)
282 @param String The acl class (e.g. user)
283 @return Boolean TRUE if the given object is cutable else FALSE
284 */
285 function is_cutable($dn, $object, $class)
286 {
287 $remove = preg_match("/d/",$this->get_permissions($dn,$object."/".$class));
288 $read = preg_match("/r/",$this->has_complete_category_acls($dn, $object));
289 return($remove && $read);
290 }
293 /*! \brief Checks if we are allowed to paste an object to the given destination ($dn)
294 @param String The destination dn
295 @param String The acl category (e.g. users)
296 @param String The acl class (e.g. user)
297 @return Boolean TRUE if we are allowed to paste an object.
298 */
299 function is_pasteable($dn, $object)
300 {
301 return(preg_match("/w/",$this->has_complete_category_acls($dn, $object)));
302 }
305 /*! \brief Checks if we are allowed to restore a snapshot for the given dn.
306 @param String The destination dn
307 @param String The acl category (e.g. users)
308 @return Boolean TRUE if we are allowed to restore a snapshot.
309 */
310 function allow_snapshot_restore($dn, $object)
311 {
312 if(!is_array($object)){
313 $object = array($object);
314 }
315 $r = $w = TRUE;
316 foreach($object as $category){
317 $w &= preg_match("/w/",$this->has_complete_category_acls($dn, $category));
318 $r &= preg_match("/r/",$this->has_complete_category_acls($dn, $category));
319 }
320 return($r && $w );
321 }
324 /*! \brief Checks if we are allowed to create a snapshot of the given dn.
325 @param String The source dn
326 @param String The acl category (e.g. users)
327 @return Boolean TRUE if we are allowed to restore a snapshot.
328 */
329 function allow_snapshot_create($dn, $object)
330 {
331 if(!is_array($object)){
332 $object = array($object);
333 }
334 $r = TRUE;
335 foreach($object as $category){
336 $r &= preg_match("/r/",$this->has_complete_category_acls($dn, $category));
337 }
338 return($r) ;
339 }
342 function get_permissions($dn, $object, $attribute= "", $skip_write= FALSE)
343 {
344 /* If we are forced to skip ACLs checks for the current user
345 then return all permissions.
346 */
347 if($this->ignore_acl_for_current_user()){
348 if($skip_write){
349 return("rcdm");
350 }
351 return("rwcdm");
352 }
354 /* Push cache answer? */
355 $ACL_CACHE = &session::global_get('ACL_CACHE');
356 if (isset($ACL_CACHE["$dn+$object+$attribute"])){
357 $ret = $ACL_CACHE["$dn+$object+$attribute"];
358 if($skip_write){
359 $ret = str_replace(array('w','c','d','m'), '',$ret);
360 }
361 return($ret);
362 }
364 /* Check for correct category and class values... */
365 if(strpos($object,'/') !== FALSE){
366 list($aclCategory, $aclClass) = preg_split("!/!", $object);
367 }else{
368 $aclCategory = $object;
369 }
371 if($this->config->boolValueIsTrue("core","developmentMode")){
373 if(!isset($this->ocMapping[$aclCategory])){
374 trigger_error("Invalid ACL category '".$aclCategory."'! ({$object})");
375 return("");
376 }elseif(isset($aclClass) && !in_array($aclClass, $this->ocMapping[$aclCategory])){
377 trigger_error("Invalid ACL class '".$aclClass."'! ({$object})");
378 return("");
379 }
380 if(isset($aclClass) && $aclClass != '0' && class_available($aclClass)){
381 $plInfo = call_user_func(array($aclClass, 'plInfo'));
382 if(!empty($attribute) && !isset($plInfo['plProvidedAcls'][$attribute])){
383 trigger_error("Invalid ACL attribute '".$attribute."'! ({$object})");
384 return("");
385 }
386 }
387 }
389 /* Detect the set of ACLs we have to check for this object
390 */
391 $adn = $dn;
392 while(!isset($this->ACLperPath[$adn]) && strpos($adn,",") !== FALSE){
393 $adn = preg_replace("/^[^,]*+,/","",$adn);
394 }
395 if(isset($this->ACLperPath[$adn])){
396 $ACL = $this->ACLperPath[$adn];
397 }else{
398 $ACL_CACHE["$dn+$object+$attribute"] = "";
399 return("");
400 }
402 /* If we do not need to respect any user-filter settings
403 we can skip the per object ACL checks.
404 */
405 $orig_dn= $dn;
406 if(!isset($this->ACLperPath_usesFilter[$adn])){
407 $dn = $adn;
408 if (isset($ACL_CACHE["$dn+$object+$attribute"])){
409 $ret = $ACL_CACHE["$dn+$object+$attribute"];
410 if(!isset($ACL_CACHE["$orig_dn+$object+$attribute"])){
411 $ACL_CACHE["$orig_dn+$object+$attribute"] = $ACL_CACHE["$dn+$object+$attribute"];
412 }
413 if($skip_write){
414 $ret = str_replace('w','',$ret);
415 }
416 return($ret);
417 }
418 }
420 /* Get ldap object, for later filter checks
421 */
422 $ldap = $this->config->get_ldap_link();
424 $acl= array("r" => "", "w" => "", "c" => "", "d" => "", "m" => "", "a" => "");
426 /* Build dn array */
427 $path= explode(',', $dn);
428 $path= array_reverse($path);
430 /* Walk along the path to evaluate the acl */
431 $cpath= "";
432 foreach ($path as $element){
434 /* Clean potential ACLs for each level */
435 if(isset($this->config->idepartments[$cpath])){
436 $acl= $this->cleanACL($acl);
437 }
439 if ($cpath == ""){
440 $cpath= $element;
441 } else {
442 $cpath= $element.','.$cpath;
443 }
445 if (isset($ACL[$cpath])){
447 /* Inspect this ACL, place the result into ACL */
448 foreach ($ACL[$cpath] as $subacl){
450 if($subacl['type'] == "role") {
451 echo "role skipped";
452 continue;
453 }
455 /* With user filter */
456 if (isset($subacl['filter']) && !empty($subacl['filter'])){
457 $id = $dn."-".$subacl['filter'];
458 if(!isset($ACL_CACHE['FILTER'][$id])){
459 $ACL_CACHE['FILTER'][$id] = $ldap->object_match_filter($dn,$subacl['filter']);
460 }
461 if(!$ACL_CACHE['FILTER'][$id]){
462 continue;
463 }
464 }
466 /* Reset? Just clean the ACL and turn over to the next one... */
467 if ($subacl['type'] == 'reset'){
468 $acl= $this->cleanACL($acl, TRUE);
469 continue;
470 }
472 /* Self ACLs?
473 */
474 if($dn != $this->dn && isset($subacl['acl'][$object][0]) && (strpos($subacl['acl'][$object][0],"s") !== FALSE)){
475 continue;
476 }
478 /* If attribute is "", we want to know, if we've *any* permissions here...
479 Merge global class ACLs [0] with attributes specific ACLs [attribute].
480 */
481 if ($attribute == "" && isset($subacl['acl'][$object])){
482 foreach($subacl['acl'][$object] as $attr => $dummy){
483 $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$object][$attr]);
484 }
485 continue;
486 }
488 /* Per attribute ACL? */
489 if (isset($subacl['acl'][$object][$attribute])){
490 $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$object][$attribute]);
491 continue;
492 }
494 /* Per object ACL? */
495 if (isset($subacl['acl'][$object][0])){
496 $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$object][0]);
497 continue;
498 }
500 /* Global ACL? */
501 if (isset($subacl['acl']['all/all'][0])){
502 $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl']['all/all'][0]);
503 continue;
504 }
506 /* Global ACL? - Old style global ACL - Was removed since class_core.inc was created */
507 if (isset($subacl['acl']['all'][0])){
508 $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl']['all'][0]);
509 continue;
510 }
512 /* Category ACLs (e.g. $object = "user/0")
513 */
514 if(strstr($object,"/0")){
515 $ocs = preg_replace("/\/0$/","",$object);
516 if(isset($this->ocMapping[$ocs])){
518 /* if $attribute is "", then check every single attribute for this object.
519 if it is 0, then just check the object category ACL.
520 */
521 if($attribute == ""){
522 foreach($this->ocMapping[$ocs] as $oc){
523 if (isset($subacl['acl'][$ocs.'/'.$oc])){
525 // Skip ACLs wich are defined for ourselfs only - if not checking against ($ui->dn)
526 if(isset($subacl['acl'][$ocs.'/'.$oc][0]) &&
527 $dn != $this->dn &&
528 strpos($subacl['acl'][$ocs.'/'.$oc][0],"s") !== FALSE) continue;
530 foreach($subacl['acl'][$ocs.'/'.$oc] as $attr => $dummy){
531 $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$ocs.'/'.$oc][$attr]);
532 }
533 continue;
534 }
535 }
536 }else{
537 if(isset($subacl['acl'][$ocs.'/'.$oc][0])){
538 if($dn != $this->dn && strpos($subacl['acl'][$ocs.'/'.$oc][0],"s") !== FALSE) continue;
539 $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$ocs.'/'.$oc][0]);
540 }
541 }
542 }
543 continue;
544 }
545 }
546 }
547 }
549 /* If the requested ACL is for a container object, then alter
550 ACLs by applying cleanACL a last time.
551 */
552 if(isset($this->config->idepartments[$dn])){
553 $acl = $this->cleanACL($acl);
554 }
556 /* Assemble string */
557 $ret= "";
558 foreach ($acl as $key => $value){
559 if ($value !== ""){
560 $ret.= $key;
561 }
562 }
564 $ACL_CACHE["$dn+$object+$attribute"]= $ret;
565 $ACL_CACHE["$orig_dn+$object+$attribute"]= $ret;
567 /* Remove write if needed */
568 if ($skip_write){
569 $ret = str_replace(array('w','c','d','m'), '',$ret);
570 }
571 return ($ret);
572 }
575 /* Extract all departments that are accessible (direct or 'on the way' to an
576 accessible department) */
577 function get_module_departments($module, $skip_self_acls = FALSE )
578 {
579 /* If we are forced to skip ACLs checks for the current user
580 then return all departments as valid.
581 */
582 if($this->ignore_acl_for_current_user()){
583 return(array_keys($this->config->idepartments));
584 }
586 /* Use cached results if possilbe */
587 $ACL_CACHE = &session::global_get('ACL_CACHE');
589 if(!is_array($module)){
590 $module = array($module);
591 }
593 global $plist;
594 $res = array();
595 foreach($module as $mod){
596 if(isset($ACL_CACHE['MODULE_DEPARTMENTS'][$mod])){
597 $res = array_merge($res,$ACL_CACHE['MODULE_DEPARTMENTS'][$mod]);
598 continue;
599 }
601 $deps = array();
603 /* Search for per object ACLs */
604 foreach($this->ACL as $dn => $infos){
605 foreach($infos as $info){
606 $found = FALSE;
607 if(isset($info['acl'])){
608 foreach($info['acl'] as $cat => $data){
610 /* Skip self acls? */
611 if($skip_self_acls && isset($data['0']) && (strpos($data['0'], "s") !== FALSE)) continue;
612 if(preg_match("/^".preg_quote($mod, '/')."/",$cat)){
613 $found =TRUE;
614 break;
615 }
616 }
617 }
619 if($found && !isset($this->config->idepartments[$dn])){
620 while(!isset($this->config->idepartments[$dn]) && strpos($dn, ",")){
621 $dn = preg_replace("/^[^,]+,/","",$dn);
622 }
623 if(isset($this->config->idepartments[$dn])){
624 $deps[$dn] = $dn;
625 }
626 }
627 }
628 }
630 /* For all gosaDepartments */
631 foreach ($this->config->departments as $dn){
632 if(isset($deps[$dn])) continue;
633 $acl = "";
634 if(strpos($mod, '/')){
635 $acl.= $this->get_permissions($dn,$mod);
636 }else{
637 $acl.= $this->get_category_permissions($dn,$mod,TRUE);
638 }
639 if(!empty($acl)) {
640 $deps[$dn] = $dn;
641 }
642 }
644 $ACL_CACHE['MODULE_DEPARTMENTS'][$mod] = $deps;
645 $res = array_merge($res,$deps);
646 }
648 return (array_values($res));
649 }
652 function mergeACL($acl, $type, $newACL)
653 {
654 $at= array("psub" => "p", "sub" => "s", "one" => "1");
656 if (strpos($newACL, 'w') !== FALSE && strpos($newACL, 'r') === FALSE){
657 $newACL .= "r";
658 }
660 /* Ignore invalid characters */
661 $newACL= preg_replace('/[^rwcdm]/', '', $newACL);
663 foreach(str_split($newACL) as $char){
665 /* Skip "self" ACLs without combination of rwcdm, they have no effect.
666 -self flag without read/write/create/...
667 */
668 if(empty($char)) continue;
670 /* Skip permanent and subtree entries */
671 if (preg_match('/[sp]/', $acl[$char])){
672 continue;
673 }
675 if ($type == "base" && $acl[$char] != 1) {
676 $acl[$char]= 0;
677 } else {
678 $acl[$char]= $at[$type];
679 }
680 }
682 return ($acl);
683 }
686 function cleanACL($acl, $reset= FALSE)
687 {
688 foreach ($acl as $key => $value){
690 /* Continue, if value is empty or permanent */
691 if ($value == "" || $value == "p") {
692 continue;
693 }
695 /* Reset removes everything but 'p' */
696 if ($reset && $value != 'p'){
697 $acl[$key]= "";
698 continue;
699 }
701 /* Decrease tree level */
702 if (is_int($value)){
703 if ($value){
704 $acl[$key]--;
705 } else {
706 $acl[$key]= "";
707 }
708 }
709 }
711 return ($acl);
712 }
715 /* #FIXME This could be logical wrong or could be optimized in the future
716 Return combined acls for a given category.
717 All acls will be combined like boolean AND
718 As example ('rwcdm' + 'rcd' + 'wrm'= 'r')
720 Results will be cached in $this->result_cache.
721 $this->result_cache will be resetted if load_acls is called.
722 */
723 function has_complete_category_acls($dn,$category)
724 {
725 $acl = "rwcdm";
726 $types = "rwcdm";
728 if(!is_string($category)){
729 trigger_error("category must be string");
730 $acl = "";
731 }else{
732 if(!isset($this->result_cache['has_complete_category_acls'][$dn][$category])) {
733 if (isset($this->ocMapping[$category])){
734 foreach($this->ocMapping[$category] as $oc){
736 /* Skip objectClass '0' (e.g. users/0) get_permissions will ever return '' ?? */
737 if($oc == "0") continue;
738 $tmp = $this->get_permissions($dn, $category."/".$oc);
739 for($i = 0, $l= strlen($types); $i < $l; $i++) {
740 if(!preg_match("/".$types[$i]."/",$tmp)){
741 $acl = preg_replace("/".$types[$i]."/","",$acl);
742 }
743 }
744 }
745 }else{
746 if($this->config->boolValueIsTrue("core","developmentMode")){
747 trigger_error("Invalid type of category ".$category);
748 }
749 $acl = "";
750 }
751 $this->result_cache['has_complete_category_acls'][$dn][$category] = $acl;
752 }else{
753 $acl = $this->result_cache['has_complete_category_acls'][$dn][$category];
754 }
755 }
756 return($acl);
757 }
760 /*! \brief Returns TRUE if the current user is configured in IGNORE_ACL=".." in your gosa.conf
761 @param Return Boolean TRUE if we have to skip ACL checks else FALSE.
762 */
763 function ignore_acl_for_current_user()
764 {
765 if($this->ignoreACL === NULL){
766 $this->ignoreACL = ($this->config->get_cfg_value("core","ignoreAcl") == $this->dn);
767 }
768 return($this->ignoreACL);
769 }
772 function loginAllowed()
773 {
774 // Need to check restrictions?
775 if (count($this->restrictions)){
777 // We have restrictions but cannot check them
778 if (!isset($_SERVER['REMOTE_ADDR'])){
779 return false;
780 }
782 // Move to binary...
783 $source= $_SERVER['REMOTE_ADDR'];
784 foreach ($this->restrictions as $restriction) {
786 // Single IP
787 if (preg_match('/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$/', $restriction)) {
788 if ($source == $restriction){
789 return true;
790 }
791 }
793 // Match with short netmask
794 if (preg_match('/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)\/([0-9]+)$/', $restriction, $matches)) {
795 if (isIpInNet($source, $matches[1], long2ip(~(pow(2, (32-$matches[2]))-1)))) {
796 return true;
797 }
798 }
800 // Match with long netmask
801 if (preg_match('/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)\/([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)$/', $restriction, $matches)) {
802 if (isIpInNet($source, $matches[1], $matches[2])) {
803 return true;
804 }
805 }
807 }
809 return false;
810 }
812 return true;
813 }
815 }
818 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
819 ?>