1 <?php
3 class termDNS extends plugin
4 {
5 /* CLI vars */
6 var $cli_summary= "Manage server basic objects";
7 var $cli_description= "Some longer text\nfor help";
8 var $cli_parameters= array("eins" => "Eins ist toll", "zwei" => "Zwei ist noch besser");
10 /* attribute list for save action */
11 var $ignore_account= TRUE;
12 var $DNSattributes = array("dNSClass","zoneName","dNSTTL");
13 var $attributes= array("ipHostNumber","macAddress");
14 var $objectclasses= array("whatever");
16 var $ipHostNumber =""; // IP address
17 var $macAddress =""; // Mac address
18 var $cn =""; // CN of currently edited device
20 var $Zones = array(); // All Available Zones like array("3.2.1"=>"MyServer.de")
21 var $RecordTypes= array(); // Possible record types
23 var $dNSClass = "IN"; // dNSClass name
24 var $zoneName = ""; // Used ZoneName
25 var $dNSTTL = 7200; // TTL settings for the created entries
27 /* Used records */
28 var $types = array();
29 var $DNSinitially_was_account = false;
31 var $orig_dn ="";
33 var $IPisMust = false;
34 var $MACisMust= false;
36 var $found = false;
38 function termDNS ($config, $dn,$objectClasses,$IPisMust = false)
39 {
40 /* We need to know which objectClasses are used, to store the ip/mac*/
41 $this->objectclasses= $objectClasses;
42 plugin::plugin ($config, $dn);
44 $this->orig_dn= $dn;
46 $this->IPisMust = $IPisMust;
48 /* Hide all dns specific code, if dns is not available
49 */
50 $found = false;
51 foreach($this->config->data['TABS']['SERVTABS'] as $tab){
52 if(preg_match("/^servdns$/",$tab['CLASS'])){
53 $found = true;
54 }
55 }
56 $this->found = $found;
57 if(!$this->found){
58 $this->DNS_is_account = false;
59 return;
60 }
63 /* All types with required attrs */
64 $this->RecordTypes['aRecord'] = "aRecord"; // ok
65 $this->RecordTypes['mDRecord'] = "mDRecord"; // ok
66 $this->RecordTypes['mXRecord'] = "mXRecord"; // ok
67 $this->RecordTypes['nSRecord'] = "nSRecord"; // ok
68 $this->RecordTypes['pTRRecord'] = "relativeDomainName";// ok
69 $this->RecordTypes['hInfoRecord'] = "hInfoRecord"; // ok
70 $this->RecordTypes['mInfoRecord'] = "mInfoRecord"; // ok
71 $this->RecordTypes['cNAMERecord'] = "relativeDomainName";// ok
72 $this->RecordTypes['tXTRecord'] = "tXTRecord"; // ok
73 $this->RecordTypes['aFSDBRecord'] = "aFSDBRecord"; // ok
74 $this->RecordTypes['SigRecord'] = "SigRecord"; // ok
75 $this->RecordTypes['KeyRecord'] = "KeyRecord"; // ok
76 $this->RecordTypes['aAAARecord'] = "aAAARecord"; // ok
77 $this->RecordTypes['LocRecord'] = "LocRecord"; // ok
78 $this->RecordTypes['nXTRecord'] = "nXTRecord"; // ok
79 $this->RecordTypes['sRVRecord'] = "sRVRecord"; // ok
80 $this->RecordTypes['nAPTRRecord'] = "nAPTRRecord"; // ok
81 $this->RecordTypes['kXRecord'] = "kXRecord"; // ok
82 $this->RecordTypes['certRecord'] = "certRecord"; // ok
83 $this->RecordTypes['a6Record'] = "a6Record"; // ok
84 $this->RecordTypes['dSRecord'] = "dSRecord"; // ok
85 $this->RecordTypes['sSHFPRecord'] = "sSHFPRecord"; // ok
86 $this->RecordTypes['rRSIGRecord'] = "rRSIGRecord"; // ok
87 $this->RecordTypes['nSECRecord'] = "nSECRecord"; // ok
89 /* Get all available zones */
90 if(empty($this->cn)&&(isset($this->attrs['cn'][0]))){
91 $this->cn = $this->attrs['cn'][0];
92 }
93 $this->Zones = $this->get_Zones();
94 $types = array();
96 /* Get all records */
97 $ldap = $this->config->get_ldap_link();
98 $ldap->cd($this->dn);
99 $ldap->search("(&(objectClass=dNSZone)(zoneName=*)(!(relativeDomainName=@)))",array("*"));
101 while($attrs = $ldap->fetch()){
102 /* If relative domainname == cn
103 * Try to read dnsclass / TTl / zone
104 */
105 if($attrs['relativeDomainName'][0] == $this->cn){
106 /* Get class */
107 if(isset($attrs['dNSClass'][0])){
108 $this->dNSClass = $attrs['dNSClass'][0];
109 }
110 /* Get Zone*/
111 if(isset($attrs['zoneName'][0])){
112 $this->zoneName = $attrs['zoneName'][0];
113 }
114 /* Get ttl */
115 if(isset($attrs['dNSTTL'][0])){
116 $this->dNSTTL = $attrs['dNSTTL'][0];
117 }
118 }
120 /* Create list with all used records */
121 foreach($this->RecordTypes as $name => $value){
123 /* If there is a record attribute */
124 if(isset($attrs[$name])){
127 /* get all entries */
128 for($i = 0 ; $i < $attrs[$value]['count']; $i ++){
129 if(($value == "aRecord")&&($this->ipHostNumber==$attrs[$value][$i])){
130 continue;
131 }
132 $types[] =array("type"=>$name,"inittype"=>$name,"value"=>$attrs[$value][$i],"status"=>"edited","dn"=>$attrs['dn']);
133 }
134 }
135 }
136 }
138 /* If there is at least one entry in this -> types, we have DNS enabled */
139 $this->types = $types;
140 if(count($this->types) == 0){
141 $this->DNS_is_account = false;
142 }else{
143 $this->DNS_is_account = true;
144 }
146 /* Store initally account settings */
147 $this->DNSinitially_was_account = $this->DNS_is_account;
148 }
150 function execute()
151 {
152 /* Call parent execute */
153 $smarty= get_smarty();
154 $display= "";
156 $smarty->assign("staticAddress", "");
158 /* There is no dns available
159 */
160 if($this->found == false){
162 $smarty->assign("DNS_is_account",false);
163 $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
165 /* Assign smarty all non DNs attributes */
166 foreach($this->attributes as $attr){
167 $smarty->assign($attr,$this->$attr);
168 }
169 $smarty->assign("staticAddress", "");
170 $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
171 return($display);
172 }else{
173 $smarty->assign("DNS_is_account",true);
174 }
176 /* Add new empty array with status new, to our record list */
177 if(isset($_POST['AddNewRecord'])){
178 $this->types[] =array("type"=>"aRecord","value"=>"","status"=>"new");
179 }
181 /* Handle all posts */
182 $only_once =true;
183 foreach($_POST as $name => $value){
185 /* Check if we have to delete a record entry */
186 if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
188 /* Avoid performing this once again */
189 $only_once = false;
191 /* Extract id for specified entry */
192 $id = preg_replace("/RemoveRecord_/","",$name);
193 $id = preg_replace("/_.*$/","",$id);
195 /* Delete this record, mark edited entries to be able to delete them */
196 if(isset($this->types[$id])){
197 if($this->types[$id]['status'] == "edited"){
198 $this->types[$id]['status'] = "deleted";
199 }else{
200 unset($this->types[$id]);
201 }
202 }
203 }
204 }
206 /* Assign smarty all non DNs attributes */
207 foreach($this->attributes as $attr){
208 $smarty->assign($attr,$this->$attr);
209 }
211 /* Assign smarty all DNS attributes */
212 foreach($this->DNSattributes as $attr){
213 $smarty->assign($attr,$this->$attr);
214 }
216 /* Assign all needed vars */
217 $smarty->assign("DNSAccount",$this->DNS_is_account);
218 $smarty->assign("Zones",$this->Zones);
219 $smarty->assign("ZoneKeys",($this->Zones));
220 $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
221 $changeStateForRecords ="";
222 $smarty->assign("records",$this->generateRecordsList(&$changeStateForRecords));
223 $smarty->assign("changeStateForRecords",$changeStateForRecords);
224 // $smarty->assign("dNSClasses",array("IN"=>"IN"));
225 $smarty->assign("staticAddress","<font class=\"must\">*</font>");
226 $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
227 return($display);
228 }
230 function remove_from_parent()
231 {
232 $ldap = $this->config->get_ldap_link();
233 $ldap->cd($this->orig_dn);
234 $ldap->search("(&(objectClass=dNSZone)(zoneName=*)(!(relativeDomainName=@)))",array("relativeDomainName","zoneName"));
235 while($attr = $ldap->fetch()){
236 $ldap->cd($attr['dn']);
237 $ldap->rmDir($attr['dn']);
238 }
239 }
241 /* Save data to object */
242 function save_object()
243 {
244 /* Save all posted vars */
245 plugin::save_object();
247 /* Ge all non dns attributes (IP/MAC)*/
248 foreach($this->attributes as $attr){
249 if(isset($_POST[$attr])){
250 $this->$attr = $_POST[$attr];
251 }
252 }
254 /* Get dns attributes */
255 if(isset($_POST['network_tpl_posted'])){
257 /* Check for posted record changes */
258 foreach($this->types as $key => $value){
260 /* Check if type has changed */
261 if(isset($_POST['RecordTypeSelectedFor_'.$key])){
262 $this->types[$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
263 }
264 /* Check if value has changed */
265 if(isset($_POST['RecordValue_'.$key])){
266 $this->types[$key]['value'] = $_POST['RecordValue_'.$key];
267 }
268 }
270 /* Get all basic DNS attributes (TTL, Clas ..)*/
271 foreach($this->DNSattributes as $attr){
272 if(isset($_POST[$attr])){
273 $this->$attr = $_POST[$attr];
274 }
275 }
277 /* Enable diable DNS */
278 if(isset($_POST['enableDNS'])){
279 $this->DNS_is_account = true;
280 }else{
281 $this->DNS_is_account = false;
282 }
283 }
284 }
287 /* Check supplied data */
288 function check()
289 {
290 $message= array();
293 if(($this->IPisMust)||($this->DNS_is_account)){
294 /* Check if ip is empty */
295 if ($this->ipHostNumber == "" && chkacl ($this->acl, "ipHostNumber") == ""){
296 $message[]= _("The required field 'IP-address' is not set.");
297 }
299 /* check if given ip is valid ip*/
300 $num="(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])";
301 if (!preg_match("/^$num\\.$num\\.$num\\.$num$/", $this->ipHostNumber)){
302 $message[]= _("Wrong IP format in field IP-address.");
303 }
304 }
306 /* Check if mac is empty */
307 if ($this->macAddress == "" && chkacl ($this->acl, "macAddress") == ""){
308 $message[]= _("The required field 'MAC-address' is not set.");
309 }
311 /* Check if given mac is valid mac */
312 $tr = count(split(":",$this->macAddress));
313 if($tr!=6){
314 $message[]=(_("The given macaddress is invalid. There must be 6 1byte segments seperated by ':'."));
315 }
317 /* only perfrom this checks if this is a valid DNS account */
318 if($this->DNS_is_account){
319 foreach($this->types as $name => $values){
321 /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress */
322 if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)&&($values['status']!="deleted")){
323 $message[]=sprintf(_("The device IP '%s' is added as 'A Record', this will be done automatically, please remove the record."),
324 $this->ipHostNumber);
325 }
327 /* only lower-case is allowed in record entries ... */
328 if($values['value'] != strtolower($values['value'])){
329 $message[] = sprintf(_("Only lowercase is allowed, please check your '%ss'."),$values['type']);
330 }
331 }
332 }
334 return ($message);
335 }
338 /* Save to LDAP */
339 function save($dn)
340 {
341 $ldap= $this->config->get_ldap_link();
343 /*******************/
344 /* IP-MAC HANDLING */
345 /*******************/
347 /* $dn was posted as parameter */
348 $this->dn = $dn;
350 /* Save DNS setting & ip/Mac*/
351 plugin::save();
353 /* Write back to ldap */
354 $ldap->cd($this->dn);
355 $this->cleanup();
356 $ldap->modify ($this->attrs);
359 /****************/
360 /* DNS HANDLING */
361 /****************/
363 /* If isn't DNS account but initially was DNS account
364 remove all DNS entries
365 */
366 if(!$this->DNS_is_account){
367 if($this->DNSinitially_was_account){
368 $tmp = array();
369 foreach($this->types as $type){
370 $dn = $type['dn'];
371 if(!isset($tmp[$dn])) {
372 $ldap->cd($dn);
373 $ldap->rmDir($dn);
374 }
375 $tmp[$dn]=$dn;
376 }
377 }
378 }else{
380 /* DNS is enabled, check what we have to do */
381 $delete = array();
383 /* Generate a list of new ldap entries,
384 & $delete contains all dns which should be deleted
385 */
386 $entries = $this->generate_LDAP_entries(&$delete);
388 /* Delete dns */
389 foreach($delete as $dn => $del){
390 $ldap->cd($dn);
391 $ldap->rmDir($dn);
392 }
394 /* Add || Update new DNS entries */
395 foreach($entries as $dn => $attrs){
396 $ldap->cd($dn);
397 $ldap->cat($dn);
399 if(count($ldap->fetch())){
400 $ldap->cd($dn);
401 // $this->cleanup();
402 $ldap->modify ($attrs);
404 }else{
405 $ldap->cd($dn);
406 $ldap->add($attrs);
407 }
408 }
409 }
410 if($ldap->get_error() != "Success"){
411 show_ldap_error($ldap->get_error());
412 }
414 }
416 /* Create html table with all used record types
417 */
418 function generateRecordsList($changeStateForRecords)
419 {
420 $changeStateForRecords = "";
422 if(!$this->DNS_is_account) {
423 $str = "<input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord' disabled>";
424 return $str;
425 }
427 $str = "<table summary='' width='100%'>";
428 foreach($this->types as $key => $entry){
429 if($entry['status'] == "deleted") continue;
431 $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
432 $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
433 $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
435 $str.=" <tr>".
436 " <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
437 " <td><input type='text' value='".$entry['value']."' name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
438 " <td><input type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
439 "</tr>";
440 }
442 $str.= " <tr>".
443 " <td colspan=2 width='50%'></td><td>".
444 " <input type='submit' value='"._("Add")."' name='AddNewRecord'>".
445 " </td>".
446 " </tr>".
447 "</table>";
448 return($str);
449 }
451 /* Create a html select box which allows us to select different types of records */
452 function generateRecordListBox($selected,$name)
453 {
454 $str = "<select name='".$name."' id='".$name."'>";
455 foreach($this->RecordTypes as $type => $value){
456 $use = "";
457 if($type == $selected){
458 $use = " selected ";
459 }
460 $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
461 }
462 $str.="</select>";
463 return($str);
464 }
466 /* return all Zone names */
467 function get_Zones()
468 {
469 $ret = array();
470 $ldap = $this->config->get_ldap_link();
471 $ldap-> cd ($this->config->current['BASE']);
472 $ldap->search("(&(objectClass=dNSZone)(sOARecord=*))",array("*"));
474 while($at = $ldap->fetch()){
475 if(preg_match("/\.in\-addr\.arpa/",$at['zoneName'][0])){
476 $ret[$at['relativeDomainName'][0]]['addr']= $at['zoneName'][0];
477 }else{
478 $ret[$at['relativeDomainName'][0]]['name']= $at['zoneName'][0];
479 }
480 }
482 $tmp =array();
483 foreach($ret as $name => $entry){
484 if((isset($entry['addr']))&&(isset($entry['name']))){
485 $tmp[$entry['addr']]=$entry['name'];
486 }
487 }
488 $ret = $tmp;
489 return($ret);
490 }
492 /* this is used to generate ldap friendly output of our
493 dns configuration
494 */
495 function generate_LDAP_entries($delete)
496 {
497 $entries = array();
498 $delete = array();
500 /* Generate Main Entry */
501 $dn = "relativeDomainName=".$this->cn.",".$this->dn;
502 $entries[$dn]['dNSClass'] = $this->dNSClass;
503 $entries[$dn]['zoneName'] = $this->zoneName;
504 $entries[$dn]['dNSTTL'] = $this->dNSTTL;
505 $entries[$dn]['relativeDomainName'] = $this->cn;
507 /* Generate cNAMERecord */
508 $aRecords = array();
509 foreach($this->types as $type){
510 if($type['type'] == "cNAMERecord"){
512 $Cdn = "relativeDomainName=".$type['value'].",".$this->dn;
513 if($type['status']=="deleted"){
514 $delete [$type['dn']] = $Cdn;
515 }else{
516 $entries[$Cdn] = $entries[$dn];
517 $entries[$Cdn]['relativeDomainName'] = $type['value'];
518 $entries[$Cdn]['cNAMERecord'] = $this->cn.".".$this->zoneName;
519 }
520 }
521 }
523 /* Generate tXTRecord */
524 $aRecords = array();
525 foreach($this->types as $type){
526 if(($type['type'] == "tXTRecord")&&($type['status']!="deleted")){
527 $entries[$dn]['tXTRecord'][] = $type['value'];
528 }
529 }
531 /* Generate mDRecord */
532 $aRecords = array();
533 foreach($this->types as $type){
534 if(($type['type'] == "mDRecord")&&($type['status']!="deleted")){
535 $entries[$dn]['mDRecord'][] = $type['value'];
536 }
537 }
539 /* Generate mXRecord */
540 $aRecords = array();
541 foreach($this->types as $type){
542 if(($type['type'] == "mXRecord")&&($type['status']!="deleted")){
543 $entries[$dn]['mXRecord'][] = $type['value'];
544 }
545 }
547 /* Generate hInfoRecord */
548 $aRecords = array();
549 foreach($this->types as $type){
550 if(($type['type'] == "hInfoRecord")&&($type['status']!="deleted")){
551 $entries[$dn]['hInfoRecord'][] = $type['value'];
552 }
553 }
555 /* Generate mInfoRecord */
556 $aRecords = array();
557 foreach($this->types as $type){
558 if(($type['type'] == "mInfoRecord")&&($type['status']!="deleted")){
559 $entries[$dn]['mInfoRecord'][] = $type['value'];
560 }
561 }
563 /* Generate aFSDBRecord */
564 $aRecords = array();
565 foreach($this->types as $type){
566 if(($type['type'] == "aFSDBRecord")&&($type['status']!="deleted")){
567 $entries[$dn]['aFSDBRecord'][] = $type['value'];
568 }
569 }
571 /* Generate some attrs */
572 $arr = array("SigRecord","KeyRecord","aAAARecord","nSRecord",
573 "LocRecord","nXTRecord","sRVRecord","nAPTRRecord","kXRecord","certRecord","a6Record","dSRecord","sSHFPRecord","rRSIGRecord","nSECRecord");
574 $aRecords = array();
575 foreach($arr as $ar){
576 foreach($this->types as $type){
577 if(($type['type'] == $ar)&&($type['status']!="deleted")){
578 $entries[$dn][$ar][] = $type['value'];
579 }
580 }
581 }
584 /* Generate A Records (IP Address relation) */
585 $aRecords = array();
586 foreach($this->types as $type){
587 if(($type['type'] == "aRecord")&&($type['status']!="deleted")){
588 $aRecords[] = $type['value'];
589 }
590 }
591 if(count($aRecords)){
593 /* Add ipHostNumber as default aRecord */
594 $aRecords[] = $this->ipHostNumber;
596 $dn = "relativeDomainName=".$this->cn.",".$this->dn;
597 foreach($aRecords as $rec){
598 $entries[$dn]['aRecord'][] = $rec;
599 }
600 }
602 /* Generate pTRRecord Records */
603 foreach($this->types as $type){
604 if($type['type'] == "pTRRecord"){
605 $PTRdn= "relativeDomainName=".$type['value'].",".$this->dn;
606 if($type['status']=="deleted"){
607 $delete [$type['dn']] = $PTRdn;
608 }else{
609 $zones = array_flip($this->Zones);
610 $zone = $zones[$this->zoneName];
611 $entries[$PTRdn]['relativeDomainName'] = $type['value'];
612 $entries[$PTRdn]['pTRRecord'] = $this->cn.".".$this->zoneName;
613 $entries[$PTRdn]['zoneName'] = $zone;
614 }
615 }
616 }
618 /* add ObjectClasses */
619 foreach($entries as $key => $entry ){
620 $entries[$key]['objectClass']=array("top","dNSZone");
621 $entries[$key] = array_reverse($entries[$key]);
622 }
624 /* Check if record type has changed, and if we need to delete this record attribute from ldap entry */
625 foreach($this->types as $type){
626 if(isset($type['inittype'])){
627 if(!isset($entries[$dn][$type['inittype']])){
628 $entries[$dn][$type['inittype']] = array();
629 }
630 }
631 }
633 return($entries);
634 }
635 }
637 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
638 ?>