17814d986563b9e1619d1c8763043b8366c65515
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 /*! \brief The plugin base class
22 \author Cajus Pollmeier <pollmeier@gonicus.de>
23 \version 2.00
24 \date 24.07.2003
26 This is the base class for all plugins. It can be used standalone or
27 can be included by the tabs class. All management should be done
28 within this class. Extend your plugins from this class.
29 */
31 class plugin
32 {
33 /*!
34 \brief Reference to parent object
36 This variable is used when the plugin is included in tabs
37 and keeps reference to the tab class. Communication to other
38 tabs is possible by 'name'. So the 'fax' plugin can ask the
39 'userinfo' plugin for the fax number.
41 \sa tab
42 */
43 var $parent= NULL;
45 /*!
46 \brief Configuration container
48 Access to global configuration
49 */
50 var $config= NULL;
52 /*!
53 \brief Mark plugin as account
55 Defines whether this plugin is defined as an account or not.
56 This has consequences for the plugin to be saved from tab
57 mode. If it is set to 'FALSE' the tab will call the delete
58 function, else the save function. Should be set to 'TRUE' if
59 the construtor detects a valid LDAP object.
61 \sa plugin::plugin()
62 */
63 var $is_account= FALSE;
64 var $initially_was_account= FALSE;
66 /*!
67 \brief Mark plugin as template
69 Defines whether we are creating a template or a normal object.
70 Has conseqences on the way execute() shows the formular and how
71 save() puts the data to LDAP.
73 \sa plugin::save() plugin::execute()
74 */
75 var $is_template= FALSE;
76 var $ignore_account= FALSE;
77 var $is_modified= FALSE;
79 /*!
80 \brief Represent temporary LDAP data
82 This is only used internally.
83 */
84 var $attrs= array();
87 /*!
88 \brief Used standard values
90 dn
91 */
92 var $dn= "";
93 var $uid= "";
94 var $sn= "";
95 var $givenName= "";
96 var $acl= "*none*";
97 var $dialog= FALSE;
99 /* attribute list for save action */
100 var $attributes= array();
101 var $objectclasses= array();
102 var $new= TRUE;
103 var $saved_attributes= array();
105 /*! \brief plugin constructor
107 If 'dn' is set, the node loads the given 'dn' from LDAP
109 \param dn Distinguished name to initialize plugin from
110 \sa plugin()
111 */
112 function plugin ($config, $dn= NULL)
113 {
114 /* Configuration is fine, allways */
115 $this->config= $config;
116 $this->dn= $dn;
118 /* Handle new accounts, don't read information from LDAP */
119 if ($dn == "new"){
120 return;
121 }
123 /* Get LDAP descriptor */
124 $ldap= $this->config->get_ldap_link();
125 if ($dn != NULL){
127 /* Load data to 'attrs' and save 'dn' */
128 $ldap->cat ($dn);
129 $this->attrs= $ldap->fetch();
131 /* Copy needed attributes */
132 foreach ($this->attributes as $val){
133 #if (isset($this->attrs["$val"][0])){
134 $found= array_key_ics($val, $this->attrs);
135 if ($found != ""){
136 $this->$val= $this->attrs["$found"][0];
137 }
138 }
140 /* Set the template flag according to the existence of objectClass
141 gosaUserTemplate */
142 if (isset($this->attrs['objectClass'])){
143 if (in_array ("gosaUserTemplate", $this->attrs['objectClass'])){
144 $this->is_template= TRUE;
145 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__,
146 "found", "Template check");
147 }
148 }
150 /* Is Account? */
151 error_reporting(0);
152 $found= TRUE;
153 foreach ($this->objectclasses as $obj){
154 if (preg_match('/top/i', $obj)){
155 continue;
156 }
157 if (!isset($this->attrs['objectClass']) || !in_array_ics ($obj, $this->attrs['objectClass'])){
158 $found= FALSE;
159 break;
160 }
161 }
162 error_reporting(E_ALL);
163 if ($found){
164 $this->is_account= TRUE;
165 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__,
166 "found", "Object check");
167 }
169 /* Prepare saved attributes */
170 $this->saved_attributes= $this->attrs;
171 foreach ($this->saved_attributes as $index => $value){
172 if (preg_match('/^[0-9]+$/', $index)){
173 unset($this->saved_attributes[$index]);
174 continue;
175 }
176 if (!in_array($index, $this->attributes) && $index != "objectClass"){
177 unset($this->saved_attributes[$index]);
178 continue;
179 }
180 if ($this->saved_attributes[$index]["count"] == 1){
181 $tmp= $this->saved_attributes[$index][0];
182 unset($this->saved_attributes[$index]);
183 $this->saved_attributes[$index]= $tmp;
184 continue;
185 }
187 unset($this->saved_attributes["$index"]["count"]);
188 }
189 }
191 /* Save initial account state */
192 $this->initially_was_account= $this->is_account;
193 }
195 /*! \brief execute plugin
197 Generates the html output for this node
198 */
199 function execute()
200 {
201 # This one is empty currently. Fabian - please fill in the docu code
202 $_SESSION['current_class_for_help'] = get_class($this);
203 }
205 /* remove object from parent */
206 function remove_from_parent()
207 {
208 /* include global link_info */
209 $ldap= $this->config->get_ldap_link();
211 /* Get current objectClasses in order to add the required ones */
212 $ldap->cat($this->dn);
213 $tmp= $ldap->fetch ();
214 if (isset($tmp['objectClass'])){
215 $oc= $tmp['objectClass'];
216 } else {
217 $oc= array("count" => 0);
218 }
220 /* Remove objectClasses from entry */
221 $ldap->cd($this->dn);
222 $this->attrs= array();
223 $this->attrs['objectClass']= array();
224 for ($i= 0; $i<$oc["count"]; $i++){
225 if (!in_array_ics($oc[$i], $this->objectclasses)){
226 $this->attrs['objectClass'][]= $oc[$i];
227 }
228 }
230 /* Unset attributes from entry */
231 foreach ($this->attributes as $val){
232 $this->attrs["$val"]= array();
233 }
235 /* Unset account info */
236 $this->is_account= FALSE;
238 /* Do not write in plugin base class, this must be done by
239 children, since there are normally additional attribs,
240 lists, etc. */
241 /*
242 $ldap->modify($this->attrs);
243 */
244 }
247 /* Save data to object */
248 function save_object()
249 {
250 /* Save values to object */
251 foreach ($this->attributes as $val){
252 if (chkacl ($this->acl, "$val") == "" && isset ($_POST["$val"])){
253 /* Check for modifications */
254 if (get_magic_quotes_gpc()) {
255 $data= stripcslashes($_POST["$val"]);
256 } else {
257 $data= $this->$val = $_POST["$val"];
258 }
259 if ($this->$val != $data){
260 $this->is_modified= TRUE;
261 }
263 /* Okay, how can I explain this fix ...
264 * In firefox, disabled option fields aren't selectable ... but in IE you can select these fileds.
265 * So IE posts these 'unselectable' option, with value = chr(194)
266 * chr(194) seems to be the in between the ...option> </option.. because there is no value=".." specified in these option fields
267 * This was added for W3c compliance, but now causes these ... ldap errors ...
268 * So we set these Fields to ""; a normal empty string, and we can check these values in plugin::check() again ...
269 */
270 if(isset($data[0]) && $data[0] == chr(194)) {
271 $data = "";
272 }
273 $this->$val= $data;
274 }
275 }
276 }
279 /* Save data to LDAP, depending on is_account we save or delete */
280 function save()
281 {
282 /* include global link_info */
283 $ldap= $this->config->get_ldap_link();
285 /* Start with empty array */
286 $this->attrs= array();
288 /* Get current objectClasses in order to add the required ones */
289 $ldap->cat($this->dn);
291 $tmp= $ldap->fetch ();
293 if (isset($tmp['objectClass'])){
294 $oc= $tmp["objectClass"];
295 $this->new= FALSE;
296 } else {
297 $oc= array("count" => 0);
298 $this->new= TRUE;
299 }
301 /* Load (minimum) attributes, add missing ones */
302 $this->attrs['objectClass']= $this->objectclasses;
303 for ($i= 0; $i<$oc["count"]; $i++){
304 if (!in_array_ics($oc[$i], $this->objectclasses)){
305 $this->attrs['objectClass'][]= $oc[$i];
306 }
307 }
309 /* Copy standard attributes */
310 foreach ($this->attributes as $val){
311 if ($this->$val != ""){
312 $this->attrs["$val"]= $this->$val;
313 } elseif (!$this->new) {
314 $this->attrs["$val"]= array();
315 }
316 }
318 /* Clean up */
319 foreach ($this->attrs as $index => $value){
320 if (is_array($this->attrs[$index]) && count($this->attrs[$index]) == 0 && !isset($this->saved_attributes[$index])){
321 unset ($this->attrs[$index]);
322 continue;
323 }
325 if (!is_array($this->attrs[$index]) && isset($this->saved_attributes[$index])
326 && !is_array($this->saved_attributes[$index]) && $value == $this->saved_attributes[$index]){
327 unset ($this->attrs[$index]);
328 continue;
329 }
331 if (is_array($this->attrs[$index]) && is_array($this->saved_attributes[$index]) &&
332 count(array_diff($this->attrs[$index], $this->saved_attributes[$index]))==0 && $index != "objectClass"){
333 unset ($this->attrs[$index]);
334 continue;
335 }
336 }
337 #################################
338 ; echo "--- DEBUG: changes ---" ;
339 ; print_a ($this->attrs) ;
340 #################################
341 }
343 /* Check formular input */
344 function check()
345 {
346 $message= array();
347 return ($message);
348 }
350 /* Adapt from template, using 'dn' */
351 function adapt_from_template($dn)
352 {
353 /* Include global link_info */
354 $ldap= $this->config->get_ldap_link();
356 /* Load requested 'dn' to 'attrs' */
357 $ldap->cat ($dn);
358 $this->attrs= $ldap->fetch();
360 /* Walk through attributes */
361 foreach ($this->attributes as $val){
363 if (isset($this->attrs["$val"][0])){
365 /* If attribute is set, replace dynamic parts:
366 %sn, %givenName and %uid. Fill these in our local variables. */
367 $value= $this->attrs["$val"][0];
369 foreach (array("sn", "givenName", "uid") as $repl){
370 if (preg_match("/%$repl/i", $value)){
371 $value= preg_replace ("/%$repl/i", $this->parent->$repl, $value);
372 }
373 }
374 $this->$val= $value;
375 }
376 }
378 /* Is Account? */
379 $found= TRUE;
380 foreach ($this->objectclasses as $obj){
381 if (preg_match('/top/i', $obj)){
382 continue;
383 }
384 if (!in_array_ics ($obj, $this->attrs['objectClass'])){
385 $found= FALSE;
386 break;
387 }
388 }
389 if ($found){
390 $this->is_account= TRUE;
391 }
392 }
394 /* Indicate whether a password change is needed or not */
395 function password_change_needed()
396 {
397 return FALSE;
398 }
400 /* Show header message for tab dialogs */
401 function show_header($button_text, $text, $disabled= FALSE)
402 {
403 if ($disabled == TRUE){
404 $state= "disabled";
405 } else {
406 $state= "";
407 }
408 $display= "<table summary=\"\" width=\"100%\"><tr>\n<td colspan=2><p><b>$text</b></p>\n";
409 $display.= "<input type=submit value=\"$button_text\" name=\"modify_state\" ".
410 chkacl($this->acl, "all")." ".$state.
411 "><p class=\"seperator\"> </p></td></tr></table>";
413 return($display);
414 }
416 function postcreate()
417 {
418 /* Find postcreate entries for this class */
419 $command= search_config($this->config->data['MENU'], get_class($this), "POSTCREATE");
420 if ($command == "" && isset($this->config->data['TABS'])){
421 $command= search_config($this->config->data['TABS'], get_class($this), "POSTCREATE");
422 }
424 if ($command != ""){
425 /* Walk through attribute list */
426 foreach ($this->attributes as $attr){
427 if (!is_array($this->$attr)){
428 $command= preg_replace("/%$attr/", $this->$attr, $command);
429 }
430 }
431 $command= preg_replace("/%dn/", $this->dn, $command);
432 if (check_command($command)){
433 @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,
434 $command, "Execute");
436 exec($command);
437 } else {
438 $message= sprintf(_("Command '%s', specified as POSTCREATE for plugin '%s' doesn't seem to exist."), $command, get_class($this));
439 print_red ($message);
440 }
441 }
442 }
444 function postmodify()
445 {
446 /* Find postcreate entries for this class */
447 $command= search_config($this->config->data['MENU'], get_class($this), "POSTMODIFY");
448 if ($command == "" && isset($this->config->data['TABS'])){
449 $command= search_config($this->config->data['TABS'], get_class($this), "POSTMODIFY");
450 }
452 if ($command != ""){
453 /* Walk through attribute list */
454 foreach ($this->attributes as $attr){
455 if (!is_array($this->$attr)){
456 $command= preg_replace("/%$attr/", $this->$attr, $command);
457 }
458 }
459 $command= preg_replace("/%dn/", $this->dn, $command);
460 if (check_command($command)){
461 @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,
462 $command, "Execute");
464 exec($command);
465 } else {
466 $message= sprintf(_("Command '%s', specified as POSTMODIFY for plugin '%s' doesn't seem to exist."), $command, get_class($this));
467 print_red ($message);
468 }
469 }
470 }
472 function postremove()
473 {
474 /* Find postremove entries for this class */
475 $command= search_config($this->config->data['MENU'], get_class($this), "POSTREMOVE");
476 if ($command == "" && isset($this->config->data['TABS'])){
477 $command= search_config($this->config->data['TABS'], get_class($this), "POSTREMOVE");
478 }
480 if ($command != ""){
481 /* Walk through attribute list */
482 foreach ($this->attributes as $attr){
483 if (!is_array($this->$attr)){
484 $command= preg_replace("/%$attr/", $this->$attr, $command);
485 }
486 }
487 $command= preg_replace("/%dn/", $this->dn, $command);
488 if (check_command($command)){
489 @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,
490 $command, "Execute");
492 exec($command);
493 } else {
494 $message= sprintf(_("Command '%s', specified as POSTREMOVE for plugin '%s' doesn't seem to exist."), $command, get_class($this));
495 print_red ($message);
496 }
497 }
498 }
500 /* Create unique DN */
501 function create_unique_dn($attribute, $base)
502 {
503 $ldap= $this->config->get_ldap_link();
504 $base= preg_replace("/^,*/", "", $base);
506 /* Try to use plain entry first */
507 $dn= "$attribute=".$this->$attribute.",$base";
508 $ldap->cat ($dn);
509 if (!$ldap->fetch()){
510 return ($dn);
511 }
513 /* Look for additional attributes */
514 foreach ($this->attributes as $attr){
515 if ($attr == $attribute || $this->$attr == ""){
516 continue;
517 }
519 $dn= "$attribute=".$this->$attribute."+$attr=".$this->$attr.",$base";
520 $ldap->cat ($dn);
521 if (!$ldap->fetch()){
522 return ($dn);
523 }
524 }
526 /* None found */
527 return ("none");
528 }
530 function rebind($ldap, $referral)
531 {
532 $credentials= LDAP::get_credentials($referral, $this->config->current['REFERRAL']);
533 if (ldap_bind($ldap, $credentials['ADMIN'], $credentials['PASSWORD'])) {
534 $this->error = "Success";
535 $this->hascon=true;
536 $this->reconnect= true;
537 return (0);
538 } else {
539 $this->error = "Could not bind to " . $credentials['ADMIN'];
540 return NULL;
541 }
542 }
544 /* This is a workaround function. */
545 function copy($src_dn, $dst_dn)
546 {
547 /* Rename dn in possible object groups */
548 $ldap= $this->config->get_ldap_link();
549 $ldap->search('(&(objectClass=gosaGroupOfNames)(member='.$src_dn.'))',
550 array('cn'));
551 while ($attrs= $ldap->fetch()){
552 $og= new ogroup($this->config, $ldap->getDN());
553 unset($og->member[$src_dn]);
554 $og->member[$dst_dn]= $dst_dn;
555 $og->save ();
556 }
558 $ldap->cat($dst_dn);
559 $attrs= $ldap->fetch();
560 if (count($attrs)){
561 trigger_error("Trying to overwrite $dst_dn, which already exists.",
562 E_USER_WARNING);
563 return (FALSE);
564 }
566 $ldap->cat($src_dn);
567 $attrs= array();
568 $attrs= $ldap->fetch();
569 if (!count($attrs)){
570 trigger_error("Trying to move $src_dn, which does not seem to exist.",
571 E_USER_WARNING);
572 return (FALSE);
573 }
575 /* Grummble. This really sucks. PHP ldap doesn't support rdn stuff. */
576 $ds= ldap_connect($this->config->current['SERVER']);
577 ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
578 if (function_exists("ldap_set_rebind_proc") && isset($this->config->current['REFERRAL'])) {
579 ldap_set_rebind_proc($ds, array(&$this, "rebind"));
580 }
582 $r=ldap_bind($ds,$this->config->current['ADMIN'], $this->config->current['PASSWORD']);
583 error_reporting (0);
584 $sr=ldap_read($ds, $src_dn, "objectClass=*");
586 /* Fill data from LDAP */
587 $new= array();
588 if ($sr) {
589 $ei=ldap_first_entry($ds, $sr);
590 if ($ei) {
591 foreach($attrs as $attr => $val){
592 if ($info = ldap_get_values_len($ds, $ei, $attr)){
593 for ($i= 0; $i<$info['count']; $i++){
594 if ($info['count'] == 1){
595 $new[$attr]= $info[$i];
596 } else {
597 $new[$attr][]= $info[$i];
598 }
599 }
600 }
601 }
602 }
603 }
605 /* close conncetion */
606 error_reporting (E_ALL);
607 ldap_unbind($ds);
609 /* Adapt naming attribute */
610 $dst_name= preg_replace("/^([^=]+)=.*$/", "\\1", $dst_dn);
611 $dst_val = preg_replace("/^[^=]+=([^,+]+).*,.*$/", "\\1", $dst_dn);
612 $new[$dst_name]= $dst_val;
614 /* Save copy */
615 $ldap->connect();
616 $ldap->cd($this->config->current['BASE']);
617 $ldap->create_missing_trees(preg_replace('/^[^,]+,/', '', $dst_dn));
618 $ldap->cd($dst_dn);
619 $ldap->add($new);
621 if ($ldap->error != "Success"){
622 trigger_error("Trying to save $dst_dn failed.",
623 E_USER_WARNING);
624 return(FALSE);
625 }
627 return (TRUE);
628 }
631 function move($src_dn, $dst_dn)
632 {
633 /* Copy source to destination */
634 if (!$this->copy($src_dn, $dst_dn)){
635 return (FALSE);
636 }
638 /* Delete source */
639 $ldap= $this->config->get_ldap_link();
640 $ldap->rmdir($src_dn);
641 if ($ldap->error != "Success"){
642 trigger_error("Trying to delete $src_dn failed.",
643 E_USER_WARNING);
644 return (FALSE);
645 }
647 return (TRUE);
648 }
651 /* Move/Rename complete trees */
652 function recursive_move($src_dn, $dst_dn)
653 {
654 /* Check if the destination entry exists */
655 $ldap= $this->config->get_ldap_link();
657 /* Check if destination exists - abort */
658 $ldap->cat($dst_dn);
659 if ($ldap->fetch()){
660 trigger_error("recursive_move $dst_dn already exists.",
661 E_USER_WARNING);
662 return (FALSE);
663 }
665 /* Perform a search for all objects to be moved */
666 $objects= array();
667 $ldap->cd($src_dn);
668 $ldap->search("(objectClass=*)", array("dn"));
669 while($attrs= $ldap->fetch()){
670 $dn= $attrs['dn'];
671 $objects[$dn]= strlen($dn);
672 }
674 /* Sort objects by indent level */
675 asort($objects);
676 reset($objects);
678 /* Copy objects from small to big indent levels by replacing src_dn by dst_dn */
679 foreach ($objects as $object => $len){
680 $src= $object;
681 $dst= preg_replace("/$src_dn$/", "$dst_dn", $object);
682 if (!$this->copy($src, $dst)){
683 return (FALSE);
684 }
685 }
687 /* Remove src_dn */
688 $ldap->cd($src_dn);
689 $ldap->recursive_remove();
690 return (TRUE);
691 }
694 function handle_post_events($mode)
695 {
696 switch ($mode){
697 case "add":
698 $this->postcreate();
699 break;
701 case "modify":
702 $this->postmodify();
703 break;
705 case "remove":
706 $this->postremove();
707 break;
708 }
709 }
711 }
713 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
714 ?>