1 <?php
3 class termDNS extends plugin
4 {
5 /* attribute list for save action */
6 var $ignore_account = true;
7 var $autonet = false;
9 /* Basic informations
10 */
11 var $attributes = array("ipHostNumber","macAddress");
12 var $objectclasses = array("whatever");
14 var $ipHostNumber = ""; // IP address
15 var $macAddress = ""; // Mac address
16 var $cn = ""; // CN of currently edited device
17 var $OrigCn = ""; // Initial cn
18 var $IPisMust = false;
19 var $MACisMust = false;
20 var $dialog;
22 /* DCHP Attributes
23 */
24 var $dhcpAttributes = array("dhcpParentNode");
25 var $dhcpEnabled = FALSE;
26 var $dhcp_is_Account = FALSE;
27 var $dhcpParentNodes = array();
28 var $dhcpParentNode = "";
29 var $dhcpHostEntry = array();
30 var $initial_dhcpParentNode = "";
31 var $initial_dhcpHostEntry = array();
34 /* DNS attributes
35 */
36 var $DNSattributes = array("dNSClass","zoneName","dNSTTL");
37 var $DNS_is_Account = false;
38 var $DNSinitially_was_account = false;
39 var $dnsEntry = array();
40 var $DNSenabled = false;
42 /* Terminal dns
43 */
44 function termDNS ($config, $dn,$objectClasses,$IPisMust = false)
45 {
46 /* We need to know which objectClasses are used, to store the ip/mac
47 * Because of different type of devices
48 */
49 $this->objectclasses = $objectClasses;
50 $this->IPisMust = $IPisMust;
52 plugin::plugin ($config, $dn);
54 if(isset($this->attrs['cn'][0])){
55 $this->OrigCn = preg_replace("/\\\$\$/","",$this->attrs['cn'][0]);
56 $this->cn = preg_replace("/\\\$\$/","",$this->attrs['cn'][0]);
57 }
60 /************
61 * DHCP
62 ************/
64 /* Hide all dhcp specific code, if dhcp plugin is not present in config */
65 $dhcpEnabled = FALSE;
66 foreach($this->config->data['TABS']['SERVTABS'] as $tab){
67 if(preg_match("/^servdhcp$/",$tab['CLASS'])){
68 $this->dhcpEnabled = TRUE;
69 }
70 }
71 if($this->dhcpEnabled){
72 $this->dhcpParentNodes = $this->get_dhcp_parent_nodes();
73 $this->dhcpParentNode = $this->get_dhcp_parent_node();
74 if($this->dhcpParentNode){
75 $this->dhcp_is_Account = TRUE;
76 $this->dhcpHostEntry = $this->get_dhcp_host_entry();
77 }
78 $this->initial_dhcpHostEntry = $this->dhcpHostEntry;
79 $this->initial_dhcpParentNode= $this->dhcpParentNode;
80 }
83 /************
84 * Autonetwork hook
85 ************/
87 /* Do we have autonet support? */
88 if (isset($this->config->data['MAIN']['AUTO_NETWORK_HOOK'])){
89 $this->autonet= true;
90 }
93 /************
94 * DNS
95 ************/
97 /* Hide all dns specific code, if dns is not available
98 */
99 $DNSenabled = false;
100 foreach($this->config->data['TABS']['SERVTABS'] as $tab){
101 if(preg_match("/^servdns$/",$tab['CLASS'])){
102 $this->DNSenabled = true;
103 }
104 }
105 if(!$this->DNSenabled){
106 $this->DNS_is_account = false;
107 return;
108 }
110 if($this->DNSenabled){
112 /* Get Zones
113 */
114 $this->Zones = getAvailableZones($config);
116 /* Get Entry
117 */
118 $this->dnsEntry = getDNSHostEntries($config,$this->OrigCn);
120 /* Remove A record which equals $this->ipHostNumber
121 */
122 foreach($this->dnsEntry['RECORDS'] as $key => $rec){
123 if(($rec['type'] == "aRecord") && ($rec['value'] == $this->ipHostNumber)){
124 unset($this->dnsEntry['RECORDS'][$key]);
125 }
126 }
128 /* Get Record types
129 */
130 $this->RecordTypes = getDnsRecordTypes();
132 /* If there is at least one entry in this -> types, we have DNS enabled
133 */
134 if($this->dnsEntry['exists']){
135 $this->DNS_is_account = true;
136 }else{
137 $this->DNS_is_account = false;
138 }
140 }
142 /* Store initally account settings
143 */
144 $this->DNSinitially_was_account = $this->DNS_is_account;
145 }
148 function netmaskIsCoherent($idZone)
149 {
150 $netmask = FlipIp(str_replace(".in-addr.arpa","",getNameFromMix($idZone)));
151 if(!strstr($this->ipHostNumber, $netmask)){
152 return false;
153 }else{
154 return true;
155 }
156 }
159 function getVarsForSaving($attrs)
160 {
161 foreach($this->attributes as $attr){
162 if(!empty($this->$attr)){
163 $attrs[$attr] = $this->$attr;
164 }
165 }
166 return($attrs);
167 }
169 function execute()
170 {
171 /* Call parent execute */
172 $smarty= get_smarty();
173 $display= "";
175 $smarty->assign("staticAddress", "");
176 $smarty->assign("autonet", $this->autonet);
178 /* Check for autonet button */
179 if ($this->autonet && isset($_POST['autonet'])){
180 $cmd= $this->config->data['MAIN']['AUTO_NETWORK_HOOK'];
181 if(!empty($cmd) && $this->cn != ""){
182 $res = shell_exec($cmd." ".$this->cn);
183 if(!$res){
184 print_red(sprintf(_("Can't execute specified AUTO_NETWORK_HOOK '%s'. Please check your gosa.conf."),$cmd));
185 } else {
186 $res= split(';', trim($res));
187 if (isset($res[0]) && $res[0] != ""){
188 $this->ipHostNumber= $res[0];
189 }
190 if (isset($res[1]) && $res[1] != ""){
191 $this->macAddress= $res[1];
192 }
193 }
194 }
195 }
199 /**********
200 * DHCP Handling
201 **********/
203 if(isset($_POST['dhcpEditOptions'])){
204 $this->dialog = new dhcpHost($this->dhcpHostEntry);
205 }
207 if(isset($_POST['cancel_dhcp'])){
208 $this->dialog = FALSE;
209 }
211 if(isset($_POST['save_dhcp'])){
212 $this->dialog = FALSE;
213 }
215 if(isset($this->dialog) && $this->dialog != FALSE){
216 return($this->dialog->execute());
217 }
219 $smarty->assign("dhcpEnabled", $this->dhcpEnabled);
220 $smarty->assign("dhcp_is_Account",$this->dhcp_is_Account);
221 $smarty->assign("dhcpParentNode", $this->dhcpParentNode);
222 $smarty->assign("dhcpParentNodes",$this->dhcpParentNodes);
229 /* There is no dns available
230 */
231 if($this->DNSenabled == false){
233 /* Is IP address must ? */
234 $smarty->assign("DNS_is_account",false);
235 $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
237 /* Assign smarty all non DNs attributes */
238 foreach($this->attributes as $attr){
239 $smarty->assign($attr,$this->$attr);
240 $smarty->assign($attr."ACL",chkacl($this->acl,$attr));
241 }
242 $smarty->assign("staticAddress","<font class=\"must\">*</font>");
244 $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
245 }else{
246 $smarty->assign("DNS_is_account",true);
248 /* Add new empty array to our record list */
249 if(isset($_POST['AddNewRecord'])){
250 $this->dnsEntry['RECORDS'][] =array("type"=>"aRecord","value"=>"");
251 }
253 /* Handle all posts */
254 $only_once =true;
255 foreach($_POST as $name => $value){
257 /* Check if we have to delete a record entry */
258 if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
260 /* Avoid performing this once again */
261 $only_once = false;
263 /* Extract id for specified entry */
264 $id = preg_replace("/RemoveRecord_/","",$name);
265 $id = preg_replace("/_.*$/","",$id);
267 /* Delete this record, mark edited entries to be able to delete them */
268 if(isset($this->dnsEntry['RECORDS'][$id])){
269 unset($this->dnsEntry['RECORDS'][$id]);
270 }
271 }
272 }
274 /* Assign smarty all non DNs attributes */
275 foreach($this->attributes as $attr){
276 $smarty->assign($attr,$this->$attr);
277 $smarty->assign($attr."ACL",chkacl($this->acl,$attr));
278 }
280 /* Assign smarty all DNS attributes */
281 foreach($this->DNSattributes as $attr){
282 $smarty->assign($attr,$this->dnsEntry[$attr]);
283 $smarty->assign($attr."ACL",chkacl($this->acl,$attr));
284 }
286 /* Assign all needed vars */
287 $smarty->assign("DNSaccountACL",chkacl($this->acl,"termDNS"));
289 $smarty->assign("DNSAccount",$this->DNS_is_account);
290 $smarty->assign("Zones",$this->Zones);
291 $smarty->assign("ZoneKeys",($this->Zones));
292 $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
294 /* Create zone array */
295 $idZones = array();
296 foreach($this->Zones as $id => $zone){
297 if($this->netmaskIsCoherent($id)) {
298 $idZones[$id] = $zone;
299 }else{
300 $idZones[$id] = $zone." ("._("Not matching").")";
301 }
302 }
303 $smarty->assign("Zones",$idZones);
304 $smarty->assign("ZoneKeys", $this->Zones);
306 $tmp = $this->generateRecordsList();
308 $changeStateForRecords = $tmp['changeStateForRecords'];
310 $smarty->assign("records",$tmp['str']);
311 $smarty->assign("changeStateForRecords",$changeStateForRecords);
312 $smarty->assign("staticAddress","<font class=\"must\">*</font>");
314 $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
315 }
316 return($display);
317 }
319 function remove_from_parent()
320 {
321 /*
322 $ldap = $this->config->get_ldap_link();
323 $ldap->cd($this->orig_dn);
324 $ldap->search("(&(objectClass=dNSZone)(zoneName=*)(!(relativeDomainName=@)))",array("relativeDomainName","zoneName"));
325 while($attr = $ldap->fetch()){
326 $ldap->cd($attr['dn']);
327 $ldap->rmDir($attr['dn']);
328 show_ldap_error("Record:".$ldap->get_error(), _("Removing terminal from DNS object failed"));
329 }
330 */
331 }
333 /* Save data to object */
334 function save_object()
335 {
336 /* Save all posted vars */
337 plugin::save_object();
340 /* Handle DHCP Posts*/
341 if($this->dhcpEnabled && isset($_POST['network_tpl_posted'])){
342 if(isset($_POST['dhcp_is_Account'])){
343 $this->dhcp_is_Account = TRUE;
344 }else{
345 $this->dhcp_is_Account = FALSE;
346 }
347 foreach($this->dhcpAttributes as $attr){
348 if(isset($_POST[$attr])){
349 $this->$attr = $_POST[$attr];
350 }
351 }
352 }
355 /* Get dns attributes */
356 if(($this->DNSenabled) && (isset($_POST['network_tpl_posted'])) && chkacl($this->acl,"termDNS") == ""){
358 /* Check for posted record changes */
359 if(is_array($this->dnsEntry['RECORDS'])){
360 foreach($this->dnsEntry['RECORDS'] as $key => $value){
362 /* Check if type has changed */
363 if(isset($_POST['RecordTypeSelectedFor_'.$key])){
364 $this->dnsEntry['RECORDS'][$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
365 }
366 /* Check if value has changed */
367 if(isset($_POST['RecordValue_'.$key])){
368 $this->dnsEntry['RECORDS'][$key]['value'] = $_POST['RecordValue_'.$key];
369 }
370 }
371 }
372 /* Get all basic DNS attributes (TTL, Clas ..)*/
373 foreach($this->DNSattributes as $attr){
374 if(isset($_POST[$attr])){
375 $this->dnsEntry[$attr] = $_POST[$attr];
376 }
377 }
379 /* Enable diable DNS */
380 if(isset($_POST['enableDNS'])){
381 $this->DNS_is_account = true;
382 }else{
383 $this->DNS_is_account = false;
384 }
385 }
386 }
389 /* Check supplied data */
390 function check()
391 {
392 /* Call common method to give check the hook */
393 $message= plugin::check();
395 /* Check if ip must be given
396 */
397 if(($this->IPisMust)||($this->DNS_is_account)){
399 /* Check if ip is empty
400 */
401 if ($this->ipHostNumber == "" && chkacl ($this->acl, "ipHostNumber") == ""){
402 $message[]= _("The required field 'IP-address' is not set.");
403 }
405 }
407 /* check if given ip is valid ip */
408 if ($this->ipHostNumber != "" && !is_ip($this->ipHostNumber)){
409 $message[]= _("Wrong IP format in field IP-address.");
410 }
412 /* Check if mac is empty
413 */
414 if ($this->macAddress == "" && chkacl ($this->acl, "macAddress") == ""){
415 $message[]= _("The required field 'MAC-address' is not set.");
416 }
418 /* Check if given mac is valid mac
419 */
420 if(!is_mac($this->macAddress)){
421 $message[]=(_("The given macaddress is invalid. There must be 6 2byte segments seperated by ':'."));
422 }
424 /* only perfrom this checks if this is a valid DNS account */
425 if($this->DNS_is_account){
427 $checkArray = array();
428 $onlyOnce = array();
430 $tmp = array_flip($this->Zones);
431 $tmp2 = $tmp[$this->dnsEntry['zoneName']];
432 if(!$this->netmaskIsCoherent($tmp2)){ //this->dnsEntry['zoneName'])){
433 $tmp2 = preg_replace("/^.*\//","",$tmp2);
434 $message[] =sprintf(_("The specified IP address '%s' is not matching the selected reverse zone entry '%s'."),$this->ipHostNumber,$tmp2);
435 }
437 // There can be many CNAME records
438 //$onlyOnce['cNAMERecord'] = 0;
440 /* Walk through all entries and detect duplicates or mismatches
441 */
442 foreach($this->dnsEntry['RECORDS'] as $name => $values){
444 /* Count record values, to detect duplicate entries for a specific record
445 */
446 if(!isset($checkArray[$values['type']][$values['value']])){
447 $checkArray[$values['type']][$values['value']] = 0;
448 }else{
449 $message[] = sprintf(_("Found duplicate value for record type '%s'."),$values['type']);
450 }
452 /* Check if given entries in $onlyOnce are used more than once
453 */
454 if(isset($onlyOnce[$values['type']])){
455 $onlyOnce[$values['type']] ++;
456 if($onlyOnce[$values['type']] > 1){
457 $message[] = sprintf(_("Found more than one entry for the uniqe record type '%s'."),$values['type']);
458 }
459 }
461 /* Skip txt record ...
462 */
463 if($values['type'] == "tXTRecord") continue;
465 /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress
466 */
467 if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)){
468 $message[]=sprintf(_("The device IP '%s' is added as 'A Record', this will be done automatically, please remove the record."),
469 $this->ipHostNumber);
470 }
472 /* only lower-case is allowed in record entries ...
473 */
474 if($values['value'] != strtolower($values['value'])){
475 $message[] = sprintf(_("Only lowercase is allowed, please check your '%ss'."),$values['type']);
476 }
477 }
478 }
479 return ($message);
480 }
483 /* Save to LDAP */
484 function save($dn)
485 {
486 $ldap= $this->config->get_ldap_link();
488 /*******************/
489 /* IP-MAC HANDLING */
490 /*******************/
492 /* $dn was posted as parameter */
493 $this->dn = $dn;
495 /* Save DNS setting & ip/Mac*/
496 plugin::save();
498 /* Write back to ldap */
499 $ldap->cd($this->dn);
500 $this->cleanup();
501 $ldap->modify ($this->attrs);
503 /****************/
504 /* DNS HANDLING */
505 /****************/
507 /* If isn't DNS account but initially was DNS account
508 remove all DNS entries
509 */
510 if((!$this->DNSenabled) || (!$this->DNS_is_account && !$this->DNSinitially_was_account)){
511 return;
512 }else{
514 /* Add ipHostNumber to aRecords
515 */
516 if(!empty($this->ipHostNumber)){
517 $this->dnsEntry['RECORDS'][] = array("type"=>"aRecord","value"=>$this->ipHostNumber);
518 }
520 /* Create diff and follow instructions
521 * If Account was disabled, remove account by setting exists to false
522 */
523 if((!$this->DNS_is_account)&&($this->DNSinitially_was_account)){
524 $this->dnsEntry['exists'] = false;
525 $tmp = getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
526 }else{
527 $this->dnsEntry['exists'] = $this->DNS_is_account;
528 $tmp = getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
529 }
531 /* move follwoing entries
532 */
533 foreach($tmp['move'] as $src => $dst){
534 $this->recursive_move($src,$dst);
535 }
537 /* Delete dns */
538 foreach($tmp['del'] as $dn => $del){
539 $ldap->cd($dn);
540 $ldap->rmdir_recursive($dn);
541 }
543 /* Add || Update new DNS entries
544 */
545 foreach($tmp['add'] as $dn => $attrs){
546 $ldap->cd($dn);
547 $ldap->cat($dn, array('dn'));
548 if(count($ldap->fetch())){
549 $ldap->cd($dn);
550 $ldap->modify ($attrs);
551 }else{
552 $ldap->cd($dn);
553 $ldap->add($attrs);
554 }
555 }
557 /* Display errors
558 */
559 if($ldap->get_error() != "Success"){
560 show_ldap_error("Record:".$ldap->get_error(), _("Saving terminal to DNS object failed"));
561 }
562 }
563 }
565 /* Create html table with all used record types
566 */
567 function generateRecordsList()
568 {
569 $changeStateForRecords = "";
571 if(!$this->DNS_is_account) {
572 $str = "<input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord' disabled='disabled'>";
573 return $str;
574 }
576 $str = "<table summary='' width='100%'>";
577 foreach($this->dnsEntry['RECORDS'] as $key => $entry){
579 $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
580 $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
581 $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
583 $str.=" <tr>".
584 " <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
585 " <td><input ".chkacl($this->acl,"termDNS")." type='text' value='".$entry['value']."' name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
586 " <td><input ".chkacl($this->acl,"termDNS")." type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
587 "</tr>";
588 }
590 $str.= " <tr>".
591 " <td colspan=2 width='50%'></td><td>".
592 " <input type='submit' value='"._("Add")."' name='AddNewRecord' ".chkacl($this->acl,"termDNS")." >".
593 " </td>".
594 " </tr>".
595 "</table>";
596 $ret = array("str" => $str, "changeStateForRecords" => $changeStateForRecords);
597 return($ret);
598 }
601 /* Create a html select box which allows us to select different types of records
602 */
603 function generateRecordListBox($selected,$name)
604 {
605 $str = "<select ".chkacl($this->acl,"termDNS")." name='".$name."' id='".$name."'>";
606 foreach($this->RecordTypes as $type => $value){
607 $use = "";
608 if($type == $selected){
609 $use = " selected ";
610 }
611 $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
612 }
613 $str.="</select>";
614 return($str);
615 }
618 function get_dhcp_host_entry()
619 {
620 $attrs = array();
621 $dn = $this->get_dhcp_host_entry_dn();
622 if($dn){
623 $ldap = $this->config->get_ldap_link();
624 $ldap->cd($this->config->current['BASE']);
625 $ldap->cat($dn,array("*"));
626 if($ldap->count()){
627 $attrs = $ldap->fetch();
628 foreach($attrs as $key => $value){
629 if(is_numeric($key) || ($key == "count")){
630 unset($attrs[$key]);
631 }
632 if(is_array($value) && isset($value['count'])){
633 unset($attrs[$key]['count']);
634 }
635 }
636 }
637 }
638 return($attrs);
639 }
642 function get_dhcp_host_entry_dn()
643 {
644 $ldap = $this->config->get_ldap_link();
645 $ldap->cd($this->config->current['BASE']);
646 $ldap->search ("(&(objectClass=dhcpHost)(cn=".$this->cn."))",array("cn","dn"));
648 if($ldap->count()){
649 $attr = $ldap->fetch();
650 return($attr['dn']);
651 }else{
652 return("");
653 }
654 }
657 function get_dhcp_parent_node()
658 {
659 return(preg_replace("/^cn=".normalizePreg($this->cn).",/","",$this->get_dhcp_host_entry_dn()));
660 }
663 function get_dhcp_parent_nodes()
664 {
665 $ldap = $this->config->get_ldap_link();
666 $ldap->cd($this->config->current['BASE']);
667 $ldap->search("(objectClass=dhcpService)",array("dhcpPrimaryDN"));
669 $dhcp_dns = array();
670 while($attr = $ldap->fetch()){
671 $dhcp_dns[$attr['dn']] = $attr['dhcpPrimaryDN'][0];
672 }
674 foreach($dhcp_dns as $key => $pri_dns){
675 $ldap->cat($pri_dns,array("cn"));
676 $tmp = $ldap->fetch();
677 $dhcp_dns[$key] = $tmp['cn'][0];
678 }
680 foreach($dhcp_dns as $dn => $cn){
681 $ldap->cd($dn);
682 $ldap->search("(|(objectClass=dhcpService)(objectClass=dhcpGroup)".
683 "(objectClass=dhcpSubnet)(objectClass=dhcpSharedNetwork))",array("cn"));
684 $tmp = array();
685 while($attr = $ldap->fetch()){
686 $tmp[$attr['dn']] = $attr['cn'][0];
687 }
688 $tmp2 = $this->create_tree($tmp,preg_replace("/^[^,]+,/i","",$dn),"(".$cn.") ");
689 }
690 return($tmp2);
691 }
694 function create_tree($arr,$base,$current = "")
695 {
696 $ret = array();
697 foreach($arr as $r => $name){
698 $base_part = str_replace($base,"",$r);
699 if(preg_match("/^[a-z]*=".normalizePreg($name)."(|,)$/i",$base_part)){
700 $ret[$r] = $current.$name;
701 $tmp = $this->create_tree($arr,$r,$current.". ");
702 foreach($tmp as $sub_key => $sub_name){
703 $ret[$sub_key] = $sub_name;
704 }
705 }
706 }
707 return($ret);
708 }
709 }
711 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
712 ?>