89d2f3f367ea5d8eee7d4e883ce540ff13a763bf
1 <?php
3 require_once("class_goService.inc");
5 class servdns extends goService
6 {
7 /* CLI vars */
8 var $cli_summary= "Manage server basic objects";
9 var $cli_description= "Some longer text\nfor help";
10 var $cli_parameters= array("eins" => "Eins ist toll", "zwei" => "Zwei ist noch besser");
12 /* attribute list for save action */
13 var $ignore_account = FALSE;
14 var $attributes = array();
15 var $objectclasses = array("whatever");
17 var $RecordTypes = array();
18 var $Zones = array();
19 var $dialog = NULL;
21 var $orig_dn = "";
23 var $initially_was_account;
25 /* ServerService tab vars */
26 var $conflicts = array("servdns");
27 var $DisplayName = "";
28 var $StatusFlag = "";
29 var $view_logged = FALSE;
31 var $dns_server_list = array("ENTRIES"=> array(),"FOR_LIST"=> array());
32 var $take_over_id = -1;
35 function servdns ($config, $dn= NULL, $parent= NULL)
36 {
37 plugin::plugin ($config, $dn, $parent);
39 $this->DisplayName = _("DNS service");
41 $this->orig_dn = $dn;
43 /* Get record types for zones
44 */
45 $this->RecordTypes = getDnsRecordTypes(true);
47 /* Get all zone Informations
48 */
49 $this->Zones = getDNSZoneEntries($config,$dn);
51 /* If there is at least one entry in this -> types, we have DNS enabled
52 */
53 if(count($this->Zones) == 0){
54 $this->is_account = false;
55 $this->dns_server_list = $this->get_list_of_dns_servers();
56 }else{
57 $this->is_account = true;
58 }
59 $this->initially_was_account = $this->is_account;
60 }
63 function get_list_of_dns_servers()
64 {
65 $ret = array("ENTRIES"=> array(),"FOR_LIST"=> array());
66 $ldap = $this->config->get_ldap_link();
67 $ldap->cd($this->config->current['BASE']);
68 $ldap->search("(&(objectClass=dNSZone)(zoneName=*))",array("dn","zoneName"));
69 $dns = array();
70 while($attrs = $ldap->fetch()){
71 /* Skip own config */
72 if($this->dn != "new" && preg_match("/".normalizePreg($this->dn)."$/",$attrs['dn'])){
73 continue;
74 }
75 $dn = preg_replace("/^zoneName=[^,]+,/","",$attrs['dn']);
76 if(preg_match("/^cn=/",$dn) && !in_array($dn,$dns)){
77 $dns[] = $dn;
78 }
79 }
80 $i = 0;
81 foreach($dns as $dn){
82 $ldap->cat($dn,array('*'));
83 if($ldap->count()){
84 $i ++;
85 $attrs = $ldap->fetch();
86 $ret['ENTRIES'][$i] = $attrs;
87 $ret['FOR_LIST'][$i] = $attrs['cn'][0];
88 }
89 }
90 return($ret);
91 }
94 function get_dns_info_string($id)
95 {
96 $ret="";
97 $ldap = $this->config->get_ldap_link();
98 $ldap->cd($this->dns_server_list['ENTRIES'][$id]['dn']);
99 $ldap->search("(|(zoneName=*)(relativeDomainName=*))",array("dn"));
100 while($attrs = $ldap->fetch()){
101 $ret .= $attrs['dn']."\n";
102 }
103 return($ret);
104 }
107 function execute()
108 {
109 /* Call parent execute
110 */
111 plugin::execute();
113 if($this->is_account && !$this->view_logged){
114 $this->view_logged = TRUE;
115 new log("view","server/".get_class($this),$this->dn);
116 }
118 /* Fill templating stuff
119 */
120 $smarty= get_smarty();
121 $smarty->assign("dns_take_over",FALSE);
122 $smarty->assign("is_createable",$this->acl_is_createable());
123 $display= "";
126 $this->initially_was_account= $this->is_account;
127 /*****************/
128 /* Handle Take Over Actions
129 /*****************/
131 /* Give smarty the required informations */
132 $smarty->assign("dns_server_list", $this->dns_server_list['FOR_LIST']);
133 $smarty->assign("dns_server_list_cnt", count($this->dns_server_list['FOR_LIST']));
135 /* Take over requested, save id */
136 if(isset($_POST['take_over_src']) && isset($_POST['take_over'])){
137 $id = $_POST['take_over_src'];
138 if(isset($this->dns_server_list['ENTRIES'][$id])){
139 $this->take_over_id = $id;
140 }
141 }
143 /* Abort take over action */
144 if(isset($_POST['cancel_take_over'])){
145 $this->dialog =false;
146 $this->take_over_id = -1;
147 $this->dns_server_list = $this->get_list_of_dns_servers();
148 }
150 /* Display informartion about take over that will be started when saving this server
151 * and hide default dns output
152 */
153 if($this->take_over_id != -1){
154 $this->dialog = FALSE;
155 $id = $this->take_over_id;
156 $info = $this->get_dns_info_string($id);
157 $smarty->assign("dns_take_over",TRUE);
158 $smarty->assign("info",$info);
159 $warning = sprintf(_("You are going to migrate the DNS setup from server '%s'."),$this->dns_server_list['ENTRIES'][$id]['cn'][0]);
160 $warning2 = _("The migration will be startet when you save this system. To cancel this action, use the cancel button below.");
161 $smarty->assign("warning",$warning);
162 $smarty->assign("warning2",$warning2);
163 return($smarty->fetch(get_template_path('servdns.tpl', TRUE)));
164 }
167 /* Do we need to flip is_account state?
168 */
169 if (isset($_POST['modify_state'])){
170 $this->is_account= !$this->is_account;
171 }
173 if ($this->is_account){
174 $display= $this->show_disable_header(_("Remove DNS service"),
175 _("This server has DNS features enabled. You can disable them by clicking below."));
176 } else {
177 $display= $this->show_enable_header(_("Add DNS service"),
178 _("This server has DNS features disabled. You can enable them by clicking below."));
179 return ($display);
180 }
183 /* Edited or Added zone
184 */
185 if(isset($_POST['SaveZoneChanges'])){
186 $this->dialog->save_object();
188 /* Check for errors
189 */
190 if(count($this->dialog->check())){
191 foreach($this->dialog->check() as $msgs){
192 print_red($msgs);
193 }
194 }else{
195 /* add new/edited zone
196 */
197 $ret = $this->dialog->save();
198 if(!$this->dialog->isNew){
199 unset($this->Zones[$this->dialog->OldZoneName]);
200 }
201 $this->Zones[$ret['zoneName']] = $ret;
202 $this->dialog = NULL;
203 }
204 }
206 /* Cancel zone edit / new
207 */
208 if(isset($_POST['CancelZoneChanges'])){
209 $this->dialog = NULL;
210 }
212 /* Add empty new zone
213 */
214 if(isset($_POST['AddZone'])){
215 $this->dialog = new servdnseditZone($this->config,$this->dn);
216 }
218 /* Check for edit zone request
219 */
220 $once = false;
221 foreach( $_POST as $name => $value){
223 /* check all post for edit request
224 */
225 if(preg_match("/^editZone_/",$name)&&!$once){
226 $once =true;
227 $tmp = preg_replace("/^editZone_/","",$name);
228 $tmp = base64_decode(preg_replace("/_.*$/","",$tmp));
229 $this->dialog= new servdnseditZone($this->config,$this->dn,$this->Zones[$tmp]);
230 }
232 /* check posts for delete zone
233 */
234 if(preg_match("/^delZone_/",$name)&&!$once){
236 $once =true;
237 $tmp = preg_replace("/^delZone_/","",$name);
238 $tmp = base64_decode(preg_replace("/_.*$/","",$tmp));
240 /* Initiate deletion
241 */
242 $this->RemoveZone($tmp);
243 }
244 }
246 if(isset($_GET['act']) && $_GET['act'] == "edit" && isset($_GET['id'])){
247 $id = base64_decode($_GET['id']);
248 if(isset($this->Zones[$id])){
249 $this->dialog= new servdnseditZone($this->config,$this->dn,$this->Zones[$id]);
250 }
251 }
253 if(isset($_GET['act']) && $_GET['act'] == "edit" && isset($_GET['id'])){
254 $id = base64_decode($_GET['id']);
255 if(isset($this->Zones[$id])){
256 $this->dialog= new servdnseditZone($this->config,$this->dn,$this->Zones[$id]);
257 }
258 }
260 /* Show dialog
261 */
262 if($this->dialog!= NULL){
263 $this->dialog->save_object();
264 $this->dialog->parent = $this;
265 return($this->dialog->execute());
266 }
268 /* Create Listbox with existing Zones
269 */
270 $ZoneList = new divSelectBox("dNSZones");
271 $ZoneList -> SetHeight(254);
273 /* Add entries to divlist
274 */
275 $editImg = "<input type='image' src='images/edit.png' name='editZone_%s'>";
276 if($this->acl_is_removeable()){
277 $editImg.= "<input type='image' src='images/edittrash.png' name='delZone_%s'>";
278 }
280 $link = "<a href='?plug=".$_GET['plug']."&act=edit&id=%s'>%s</a>";
281 foreach($this->Zones as $zone => $values ){
282 $ZoneList->AddEntry(array(
283 array("string" => sprintf($link,base64_encode($zone),($zone))),
284 array("string" => sprintf($link,base64_encode($zone),_("Reverse zone")." : ".($values['ReverseZone']))),
285 array("string" => _("TTL")." : ".$values['sOAttl']),
286 array("string" => _("Class")." : ".$values['dNSClass']),
287 array("string" =>str_replace("%s",base64_encode($zone),$editImg))
288 ));
289 }
291 /* Display tempalte
292 */
293 $smarty->assign("ZoneList",$ZoneList->DrawList());
294 $display.= $smarty->fetch(get_template_path('servdns.tpl', TRUE));
295 return($display);
296 }
299 /* Delete specified zone
300 */
301 function RemoveZone($id)
302 {
303 $zones = $this->getUsedZoneNames();
305 if(isset($this->Zones[$id]['InitialReverseZone'])){
306 $rev = FlipIp($this->Zones[$id]['InitialReverseZone']);
307 }else{
308 $rev = FlipIp($this->Zones[$id]['ReverseZone']);
309 }
311 $zonename = "";
312 if(isset($this->Zones[$id]['InitialzoneName'])){
313 $zonename= $this->Zones[$id]['InitialzoneName'];
314 }
316 $used = array();
318 /* Add Records which use this zoneName
319 */
320 if(isset($zones[$zonename])){
321 $used = array_merge($used,$zones[$zonename]);
322 }
324 /* Add Records which uses this reverse zone
325 */
326 if(isset($zones[$rev.".in-addr.arpa"])){
327 $used = array_merge($used,$zones[$rev.".in-addr.arpa"]);
328 }
330 /* There are still entries using this configuration
331 * Abort deletion
332 */
333 if(count($used)){
334 $i = 2;
335 $str ="";
336 foreach($used as $dn){
337 if($i > 0 && !preg_match("/,relativeDomainName=/",$dn)){
338 $i --;
339 $name = preg_replace("/^[^=]+=([^,]*),.*$/","\\1",$dn);
340 $zone = preg_replace("/^.*zoneName=([^,]*),.*$/","\\1",$dn);
341 $str.= $name.".".$zone." ";
342 }
343 }
345 /* Only show 2 dns in the error message
346 */
347 if(count($used)> 2) {
348 $str .=" ... ";
349 }
350 print_red(sprintf(_("Can't delete the selected zone, because it is still in use by these entry/entries '%s'"),trim($str)));
351 return(false);
352 }else{
353 unset($this->Zones[$id]);
354 return(true);
355 }
356 }
359 /* This funtion returns all used Zonenames
360 */
361 function getUsedZoneNames()
362 {
363 $ret = array();
364 $ldap = $this->config->get_ldap_link();
365 $ldap->cd($this->config->current['BASE']);
366 $ldap->search("(&(objectClass=dNSZone)(!(relativeDomainName=@))(zoneName=*))",array("zoneName","relativeDomainName"));
367 while($attr = $ldap->fetch()){
368 $ret[$attr['zoneName'][0]][] = $attr['dn'];
369 }
370 return($ret);
371 }
374 /* Remove dns service
375 */
376 function remove_from_parent()
377 {
378 if($this->initially_was_account){
379 $bool = true;
380 $this->is_account = FALSE;
381 foreach($this->Zones as $key => $zone){
382 $bool= $bool & $this->RemoveZone($key);
383 }
385 if($bool){
386 $this->save();
387 }
388 return($bool);
389 }
390 }
393 /* Save to LDAP */
394 function save()
395 {
397 /* Take over handling
398 * - Create list of zones managed by source server
399 * - Copy ldap entries to destination server
400 * - Remove old zone entries from source
401 */
402 if($this->take_over_id != -1){
403 $del = array();
404 $id = $this->take_over_id;
405 $src = $this->dns_server_list['ENTRIES'][$id]['dn'];
406 $ldap = $this->config->get_ldap_link();
407 $ldap->ls("(objectClass=dnsZone)",$src,array('cn'));
408 while($attrs = $ldap->fetch()){
409 $src_zone = $attrs['dn'];
410 $dst_zone = preg_replace("/".normalizePreg($src)."$/",$this->dn,$src_zone);
411 $res = plugin::recursive_move($src_zone, $dst_zone);
413 if($res){
414 $del [] = $src_zone;
415 }
416 }
417 foreach($del as $src_zone){
418 $ldap->rmdir_recursive($src_zone);
419 }
420 return;
421 }
424 $ldap = $this->config->get_ldap_link();
425 $ldap->cd($this->config->current['BASE']);
427 /* Get differences
428 */
429 $old_dn = $this->orig_dn;
430 if($old_dn == "new"){
431 $old_dn = $this->dn;
432 }
434 $tmp = getDNSZoneEntriesDiff($this->config,$this->Zones,$old_dn);
436 /* Update dns to current object dn */
437 $tmp = getDNSZoneEntriesDiff($this->config,$this->Zones,$old_dn);
438 $tmp2 = array();
439 foreach($tmp as $key1 => $data1){
440 $tmp2[$key1] = array();
441 foreach($data1 as $key2 => $data2){
442 $tmp2[$key1][preg_replace("/".normalizePreg($old_dn)."$/",$this->dn,$key2)] = $data2;
443 }
444 }
445 $tmp = $tmp2;
447 /* Updated zone entries if reverser or forward name has changed
448 * Must be done before moving entries, else the given dn is invalid
449 */
450 if(isset($tmp['zoneUpdates'])){
451 foreach($tmp['zoneUpdates'] as $dn => $attrs){
452 $ldap->cd($dn);
453 $ldap->modify($attrs);
454 new log("modfiy","unknown/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
455 show_ldap_error($ldap->get_error(), sprintf(_("Updating of system server/dns with dn '%s' failed."),$this->dn));
456 }
457 }
459 /* Delete dns
460 */
461 foreach($tmp['del'] as $dn => $del){
463 $for = $del['InitialzoneName'];
464 $rev = FlipIp($del['InitialReverseZone']).".in-addr.arpa";
466 $ldap->cd($dn);
467 $ldap->rmdir_recursive($dn);
468 new log("remove","unknown/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
469 show_ldap_error($ldap->get_error(), sprintf(_("Removing of system server/dns with dn '%s' failed."),$this->dn));
471 /* Handle Post events */
472 if(preg_match("/^zoneName=/",$dn)){
473 $this->handle_post_events("remove",array("dn" => $dn,"zoneName" => $for));
474 $this->handle_post_events("remove",array("dn" => $dn,"zoneName" => $rev));
475 }
476 }
478 /* move follwoing entries
479 */
480 foreach($tmp['move'] as $src => $dst){
481 $this->recursive_move($src,$dst);
482 }
484 /* Add || Update new DNS entries
485 */
486 foreach($tmp['add'] as $dn => $attrs){
487 $ldap->cd($dn);
488 $ldap->cat($dn, array('dn'));
489 if($ldap->fetch()){
490 $ldap->cd($dn);
491 $ldap->modify ($attrs);
492 show_ldap_error($ldap->get_error(), sprintf(_("Saving of system server/dns with dn '%s' failed."),$this->dn));
494 /* Handle Post events */
495 if(preg_match("/^zoneName=/",$dn)){
496 $this->handle_post_events("modify",array("dn" => $dn,"zoneName" => $attrs['zoneName']));
497 }
498 }else{
499 $ldap->cd($dn);
500 $ldap->add($attrs);
501 show_ldap_error($ldap->get_error(), sprintf(_("Saving of system server/dns with dn '%s' failed."),$this->dn));
503 /* Handle Post events */
504 if(preg_match("/^zoneName=/",$dn)){
505 $this->handle_post_events("add",array("dn" => $dn,"zoneName" => $attrs['zoneName']));
506 }
507 }
508 }
509 }
512 /* Directly save new status flag */
513 function setStatus($value)
514 {
515 if($value == "none") return;
516 if(!$this->initially_was_account) return;
517 if(empty($this->StatusFlag)) return;
518 $ldap = $this->config->get_ldap_link();
519 $ldap->cd($this->dn);
520 $ldap->cat($this->dn,array("objectClass"));
521 if($ldap->count()){
523 $tmp = $ldap->fetch();
524 for($i = 0; $i < $tmp['objectClass']['count']; $i ++){
525 $attrs['objectClass'][] = $tmp['objectClass'][$i];
526 }
527 $flag = $this->StatusFlag;
528 $attrs[$flag] = $value;
529 $this->$flag = $value;
530 $ldap->modify($attrs);
531 show_ldap_error($ldap->get_error(), sprintf(_("Set status flag for system server/dns with dn '%s' failed."),$this->dn));
532 $this->action_hook();
533 }
534 }
537 function getListEntry()
538 {
539 $fields = goService::getListEntry();
540 $fields['Message'] = _("DNS service");
541 $fields['AllowEdit'] = true;
542 return($fields);
543 }
546 /* Get updates for status flag */
547 function updateStatusState()
548 {
549 if(empty($this->StatusFlag)) return;
551 $attrs = array();
552 $flag = $this->StatusFlag;
553 $ldap = $this->config->get_ldap_link();
554 $ldap->cd($this->cn);
555 $ldap->cat($this->dn,array($flag));
556 if($ldap->count()){
557 $attrs = $ldap->fetch();
558 }
559 if(isset($attrs[$flag][0])){
560 $this->$flag = $attrs[$flag][0];
561 }
562 }
565 /* Return plugin informations for acl handling */
566 function plInfo()
567 {
568 return (array(
569 "plShortName" => _("DNS service"),
570 "plDescription" => _("DNS service")." ("._("Services").")",
571 "plSelfModify" => FALSE,
572 "plDepends" => array(),
573 "plPriority" => 83,
574 "plSection" => array("administration"),
575 "plCategory" => array("server"),
577 "plProvidedAcls"=> array(
578 "zoneName" =>_("Zone name"),
579 "ReverseZone" =>_("Reverse zone"),
580 "sOAprimary" =>_("Primary dns server"),
581 "sOAmail" =>_("Mail address"),
582 "sOAserial" =>_("Serial"),
583 "sOArefresh" =>_("Refresh"),
584 "sOAretry" =>_("Retry"),
585 "sOAexpire" =>_("Expire"),
586 "sOAttl" =>_("TTL"),
587 "zoneRecords" =>_("Zone records"))
588 ));
589 }
591 }
592 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
593 ?>