20c48209b71ac4c6758286d5017793afa2891d45
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 class userinfo
22 {
23 var $dn;
24 var $ip;
25 var $username;
26 var $cn;
27 var $uid;
28 var $gidNumber= -1;
29 var $language= "";
30 var $config;
31 var $gosaUnitTag= "";
32 var $subtreeACL= array();
33 var $ACL= array();
34 var $groups= array();
36 /* get acl's an put them into the userinfo object
37 attr subtreeACL (userdn:components, userdn:component1#sub1#sub2,component2,...) */
38 function userinfo($config, $userdn){
39 $this->config= $config;
40 $ldap= $this->config->get_ldap_link();
41 $ldap->cat($userdn,array('sn', 'givenName', 'uid', 'gidNumber', 'preferredLanguage', 'gosaUnitTag'));
42 $attrs= $ldap->fetch();
44 if (isset($attrs['givenName'][0]) && isset($attrs['sn'][0])){
45 $this->cn= $attrs['givenName'][0]." ".$attrs['sn'][0];
46 } else {
47 $this->cn= $attrs['uid'][0];
48 }
49 if (isset($attrs['gidNumber'][0])){
50 $this->gidNumber= $attrs['gidNumber'][0];
51 }
53 /* Assign user language */
54 if (isset($attrs['preferredLanguage'][0])){
55 $this->language= $attrs['preferredLanguage'][0];
56 }
58 if (isset($attrs['gosaUnitTag'][0])){
59 $this->gosaUnitTag= $attrs['gosaUnitTag'][0];
60 }
62 $this->dn= $userdn;
63 $this->uid= $attrs['uid'][0];
64 $this->ip= $_SERVER['REMOTE_ADDR'];
65 }
68 function loadACL()
69 {
71 #--------------------------------------------------------------------------OLD-BUT-ACTIVE-----------------------------
72 $ldap= $this->config->get_ldap_link();
74 /* Load ACL's from all groups we're in */
75 $this->subtreeACL= array();
76 $ldap->cd($this->config->current['BASE']);
77 if ($this->gidNumber == -1){
78 $ldap->search("(&(objectClass=posixGroup)(objectClass=gosaObject)".
79 "(memberUid=$this->username))");
80 } else {
81 $ldap->search("(&(objectClass=posixGroup)(objectClass=gosaObject)".
82 "(|(memberUid=$this->username)(gidNumber=$this->gidNumber)))");
83 }
85 while($attrs = $ldap->fetch()){
86 $base= preg_replace('/^[^,]+,ou=[^,]+,/i', "",$ldap->getDN());
87 $base= preg_replace("/[ ]*,[ ]*/", ",", $base);
89 for ($i= 0; $i<$attrs["gosaSubtreeACL"]["count"]; $i++){
90 $this->subtreeACL[$base][]= $attrs["gosaSubtreeACL"][$i];
91 }
92 }
93 #echo "NEW ACL LOADING --------------------------------------------------------------------------------------------<br>";
95 $this->ACL= array();
96 $this->groups= array();
97 $ldap= $this->config->get_ldap_link();
98 $ldap->cd($this->config->current['BASE']);
100 /* Get member groups... */
101 $ldap->search("(&(objectClass=posixGroup)(memberUid=".$this->uid."))", array('dn'));
102 while ($attrs= $ldap->fetch()){
103 $this->groups[$attrs['dn']]= $attrs['dn'];
104 }
106 /* Crawl through ACLs and move relevant to the tree */
107 $ldap->search("(objectClass=gosaACL)", array('dn', 'gosaAclEntry'));
108 $aclp= array();
109 $aclc= array();
110 while ($attrs= $ldap->fetch()){
112 /* Insert links in ACL array */
113 $aclp[$attrs['dn']]= substr_count($attrs['dn'], ',');
114 $aclc[$attrs['dn']]= array();
115 $ol= array();
116 for($i= 0; $i<$attrs['gosaAclEntry']['count']; $i++){
117 $ol= array_merge($ol, @acl::explodeAcl($attrs['gosaAclEntry'][$i]));
118 }
119 $aclc[$attrs['dn']]= $ol;
120 }
122 /* ACL's read, sort for tree depth */
123 asort($aclp);
125 /* Sort in tree order */
126 foreach ($aclp as $dn => $acl){
127 /* Check if we need to keep this ACL */
128 foreach($aclc[$dn] as $idx => $type){
129 $interresting= FALSE;
131 /* No members? This is good for all users... */
132 if (!count($type['members'])){
133 $interresting= TRUE;
134 }
136 /* Inspect members... */
137 foreach ($type['members'] as $grp => $grpdsc){
138 /* Some group inside the members that is relevant for us? */
139 if (in_array_ics(preg_replace('/^G:/', '', $grp), $this->groups)){
140 $interresting= TRUE;
141 }
143 /* User inside the members? */
144 if (preg_replace('/^U:/', '', $grp) == $this->dn){
145 $interresting= TRUE;
146 }
147 }
149 if ($interresting){
150 if (!isset($this->ACL[$dn])){
151 $this->ACL[$dn]= array();
152 }
153 $this->ACL[$dn][$idx]= $type;
154 }
155 }
157 }
158 }
161 function get_permissions($dn, $object, $attribute, $skip_write= FALSE)
162 {
163 $acl= array("r" => "", "w" => "", "c" => "", "d" => "", "m" => "", "a" => "");
165 /* Build dn array */
166 $path= split(',', $dn);
167 $path= array_reverse($path);
169 /* Walk along the path to evaluate the acl */
170 $cpath= "";
171 foreach ($path as $element){
173 /* Clean potential ACLs for each level */
174 $acl= $this->cleanACL($acl);
176 if ($cpath == ""){
177 $cpath= $element;
178 } else {
179 $cpath= $element.','.$cpath;
180 }
181 if (isset($this->ACL[$cpath])){
183 /* Inspect this ACL, place the result into ACL */
184 foreach ($this->ACL[$cpath] as $subacl){
186 /* Reset? Just clean the ACL and turn over to the next one... */
187 if ($subacl['type'] == 'reset'){
188 $acl= $this->cleanACL($acl, TRUE);
189 continue;
190 }
192 /* Per attribute ACL? */
193 if (isset($subacl['acl'][$object][$attribute])){
194 $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$object][$attribute]);
195 continue;
196 }
198 /* Per object ACL? */
199 if (isset($subacl['acl'][$object][0])){
200 $acl= $this->mergeACL($acl, $subacl['type'], preg_replace('/[cdm]/', '', $subacl['acl'][$object][0]));
201 continue;
202 }
204 /* Global ACL? */
205 if (isset($subacl['acl']['all'])){
206 $acl= $this->mergeACL($acl, $subacl['type'], preg_replace('/[cdm]/', '', $subacl['acl']['all'][0]));
207 continue;
208 }
210 }
212 }
213 }
215 /* Assemble string */
216 $ret= "";
217 foreach ($acl as $key => $value){
218 if ($value != ""){
219 $ret.= $key;
220 }
221 }
223 /* Remove write if needed */
224 if ($skip_write){
225 $ret= preg_replace('/w/', '', $ret);
226 }
228 return ($ret);
229 }
232 function get_module_departments($module)
233 {
234 global $plist;
236 $objects= array();
237 $deps= array();
239 /* Extract all relevant objects for this module from plist */
240 foreach ($plist->info as $object => $info){
241 foreach ($info['plCategory'] as $idx => $data){
242 if (preg_match('/^[0-9]+$/', $idx)){
243 if ($data == $module){
244 $objects[$object]= $object;
245 }
246 } else {
247 if ($idx == $module){
248 $objects[$object]= $object;
249 }
250 }
251 }
252 }
254 /* Get all gosaDepartments */
255 $ldap= $this->config->get_ldap_link();
256 $ldap->cd($this->config->current['BASE']);
257 $ldap->search('objectClass=gosaDepartment', array('dn'));
258 while ($attrs= $ldap->fetch()){
259 $acl= array("r" => "", "w" => "", "c" => "", "d" => "", "m" => "", "a" => "");
261 /* Build dn array */
262 $path= split(',', $attrs['dn']);
263 $path= array_reverse($path);
265 /* Walk along the path to evaluate the acl */
266 $cpath= "";
267 foreach ($path as $element){
269 /* Clean potential ACLs for each level */
270 $acl= $this->cleanACL($acl);
272 if ($cpath == ""){
273 $cpath= $element;
274 } else {
275 $cpath= $element.','.$cpath;
276 }
277 if (isset($this->ACL[$cpath])){
279 /* Inspect this ACL, place the result into ACL */
280 foreach ($this->ACL[$cpath] as $subacl){
282 /* Reset? Just clean the ACL and turn over to the next one... */
283 if ($subacl['type'] == 'reset'){
284 $acl= $this->cleanACL($acl, TRUE);
285 continue;
286 }
288 /* Per object ACL? */
289 foreach ($objects as $object){
290 if (isset($subacl['acl'][$object])){
291 foreach($subacl['acl'][$object] as $attribute => $dcl){
292 if (isset($subacl['acl'][$object][$attribute])){
293 $acl= $this->mergeACL($acl, $subacl['type'], preg_replace('/[cdm]/', '', $subacl['acl'][$object][$attribute]));
294 }
295 }
296 }
297 }
299 /* Global ACL? */
300 if (isset($subacl['acl'][0])){
301 $acl= $this->mergeACL($acl, $subacl['type'], preg_replace('/[cdm]/', '', $subacl['acl'][0]));
302 continue;
303 }
304 }
305 }
306 }
308 /* Add department, if we have (some) permissions for the requred module */
309 foreach ($acl as $val){
310 if ($val != ""){
311 $deps[]= $attrs['dn'];
312 break;
313 }
314 }
315 }
317 return ($deps);
318 }
321 function mergeACL($acl, $type, $newACL)
322 {
323 foreach(str_split($newACL) as $char){
325 /* Ignore invalid characters */
326 if (!preg_match('/[rwcdm]/', $char)){
327 continue;
328 }
330 /* Skip permanent and subtree entries */
331 if (preg_match('/[sp]/', $acl[$char])){
332 continue;
333 }
335 switch ($type){
336 case 'psub':
337 $acl[$char]= 'p';
338 break;
340 case 'sub':
341 $acl[$char]= 's';
342 break;
344 case 'one':
345 $acl[$char]= 1;
346 break;
348 case 'base':
349 if ($acl[$char] != 1){
350 $acl[$char]= 0;
351 }
352 break;
353 }
354 }
356 return ($acl);
357 }
360 function cleanACL($acl, $reset= FALSE)
361 {
362 foreach ($acl as $key => $value){
364 /* Reset removes everything but 'p' */
365 if ($reset && $value != 'p'){
366 $acl[$key]= "";
367 continue;
368 }
370 /* Decrease tree level */
371 if (preg_match('/^[0-9]+$/', $value)){
372 if ($value > 0){
373 $acl[$key]= $value - 1;
374 } else {
375 $acl[$key]= "";
376 }
377 }
378 }
380 return ($acl);
381 }
383 }
385 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
386 ?>