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 $autonet = false;
14 /* Basic informations
15 */
16 var $attributes = array("ipHostNumber","macAddress");
17 var $objectclasses = array("whatever");
19 var $ipHostNumber = ""; // IP address
20 var $macAddress = ""; // Mac address
21 var $cn = ""; // CN of currently edited device
22 var $OrigCn = ""; // Initial cn
23 var $IPisMust = false;
24 var $MACisMust = false;
26 /* DNS attributes
27 */
28 var $DNSattributes = array("dNSClass","zoneName","dNSTTL");
29 var $DNS_is_Account = false;
30 var $DNSinitially_was_account = false;
31 var $dnsEntry = array();
32 var $DNSenabled = false;
34 /* Terminal dns
35 */
36 function termDNS ($config, $dn,$objectClasses,$IPisMust = false)
37 {
38 /* We need to know which objectClasses are used, to store the ip/mac
39 * Because of different type of devices
40 */
41 $this->objectclasses = $objectClasses;
42 $this->IPisMust = $IPisMust;
44 plugin::plugin ($config, $dn);
46 if(isset($this->attrs['cn'][0])){
47 $this->OrigCn = $this->attrs['cn'][0];
48 $this->cn = $this->attrs['cn'][0];
49 }
51 /* Do we have autonet support? */
52 if (isset($this->config->data['MAIN']['AUTO_NETWORK_HOOK'])){
53 $this->autonet= true;
54 }
56 /* Hide all dns specific code, if dns is not available
57 */
58 $DNSenabled = false;
59 foreach($this->config->data['TABS']['SERVTABS'] as $tab){
60 if(preg_match("/^servdns$/",$tab['CLASS'])){
61 $this->DNSenabled = true;
62 }
63 }
64 if(!$this->DNSenabled){
65 $this->DNS_is_account = false;
66 return;
67 }
69 if($this->DNSenabled){
71 /* Get Zones
72 */
73 $this->Zones = getAvailableZones($config);
75 /* Get Entry
76 */
77 $this->dnsEntry = getDNSHostEntries($config,$this->OrigCn);
79 /* Remove A record which equals $this->ipHostNumber
80 */
81 foreach($this->dnsEntry['RECORDS'] as $key => $rec){
82 if(($rec['type'] == "aRecord") && ($rec['value'] == $this->ipHostNumber)){
83 unset($this->dnsEntry['RECORDS'][$key]);
84 }
85 }
87 /* Get Record types
88 */
89 $this->RecordTypes = getDnsRecordTypes();
91 /* If there is at least one entry in this -> types, we have DNS enabled
92 */
93 if($this->dnsEntry['exists']){
94 $this->DNS_is_account = true;
95 }else{
96 $this->DNS_is_account = false;
97 }
99 }
101 /* Store initally account settings
102 */
103 $this->DNSinitially_was_account = $this->DNS_is_account;
104 }
107 function getVarsForSaving($attrs)
108 {
109 foreach($this->attributes as $attr){
110 if(!empty($this->$attr)){
111 $attrs[$attr] = $this->$attr;
112 }
113 }
114 return($attrs);
115 }
117 function execute()
118 {
119 /* Call parent execute */
120 $smarty= get_smarty();
121 $display= "";
123 $smarty->assign("staticAddress", "");
124 $smarty->assign("autonet", "");
126 /* Check for autonet button */
127 if ($this->autonet && isset($_POST['autonet'])){
128 $cmd= $this->config->data['MAIN']['AUTO_NETWORK_HOOK'];
129 if(!empty($cmd) && $this->cn != ""){
130 $res = shell_exec($cmd." ".$this->cn);
131 if(!$res){
132 print_red(sprintf(_("Can't execute specified AUTO_NETWORK_HOOK '%s'. Please check your gosa.conf."),$cmd));
133 } else {
134 $res= split(';', trim($res));
135 if (isset($res[0]) && $res[0] != ""){
136 $this->ipHostNumber= $res[0];
137 }
138 if (isset($res[1]) && $res[1] != ""){
139 $this->macAddress= $res[1];
140 }
141 }
142 }
143 }
145 /* There is no dns available
146 */
147 if($this->DNSenabled == false){
149 /* Is IP address must ? */
150 $smarty->assign("DNS_is_account",false);
151 $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
153 /* Assign smarty all non DNs attributes */
154 foreach($this->attributes as $attr){
155 $smarty->assign($attr,$this->$attr);
156 }
157 $smarty->assign("staticAddress","<font class=\"must\">*</font>");
159 if ($this->autonet){
160 $smarty->assign("autonet", "true");
161 } else {
162 $smarty->assign("autonet", "");
163 }
164 $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
165 return($display);
166 }else{
167 $smarty->assign("DNS_is_account",true);
168 }
170 /* Add new empty array to our record list */
171 if(isset($_POST['AddNewRecord'])){
172 $this->dnsEntry['RECORDS'][] =array("type"=>"aRecord","value"=>"");
173 }
175 /* Handle all posts */
176 $only_once =true;
177 foreach($_POST as $name => $value){
179 /* Check if we have to delete a record entry */
180 if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
182 /* Avoid performing this once again */
183 $only_once = false;
185 /* Extract id for specified entry */
186 $id = preg_replace("/RemoveRecord_/","",$name);
187 $id = preg_replace("/_.*$/","",$id);
189 /* Delete this record, mark edited entries to be able to delete them */
190 if(isset($this->dnsEntry['RECORDS'][$id])){
191 unset($this->dnsEntry['RECORDS'][$id]);
192 }
193 }
194 }
196 /* Assign smarty all non DNs attributes */
197 foreach($this->attributes as $attr){
198 $smarty->assign($attr,$this->$attr);
199 }
201 /* Assign smarty all DNS attributes */
202 foreach($this->DNSattributes as $attr){
203 $smarty->assign($attr,$this->dnsEntry[$attr]);
204 }
206 /* Assign all needed vars */
207 $smarty->assign("DNSAccount",$this->DNS_is_account);
208 $smarty->assign("Zones",$this->Zones);
209 $smarty->assign("ZoneKeys",($this->Zones));
210 $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
212 $tmp = $this->generateRecordsList();
214 $changeStateForRecords = $tmp['changeStateForRecords'];
216 $smarty->assign("records",$tmp['str']);
217 $smarty->assign("changeStateForRecords",$changeStateForRecords);
218 $smarty->assign("staticAddress","<font class=\"must\">*</font>");
220 $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
221 return($display);
222 }
224 function remove_from_parent()
225 {
226 /*
227 $ldap = $this->config->get_ldap_link();
228 $ldap->cd($this->orig_dn);
229 $ldap->search("(&(objectClass=dNSZone)(zoneName=*)(!(relativeDomainName=@)))",array("relativeDomainName","zoneName"));
230 while($attr = $ldap->fetch()){
231 $ldap->cd($attr['dn']);
232 $ldap->rmDir($attr['dn']);
233 show_ldap_error("Record:".$ldap->get_error(), _("Removing terminal from DNS object failed"));
234 }
235 */
236 }
238 /* Save data to object */
239 function save_object()
240 {
241 /* Save all posted vars */
242 plugin::save_object();
244 /* Ge all non dns attributes (IP/MAC)*/
245 foreach($this->attributes as $attr){
246 if(isset($_POST[$attr])){
247 $this->$attr = $_POST[$attr];
248 }
249 }
251 /* Get dns attributes */
252 if(($this->DNSenabled) && (isset($_POST['network_tpl_posted']))){
254 /* Check for posted record changes */
255 if(is_array($this->dnsEntry['RECORDS'])){
256 foreach($this->dnsEntry['RECORDS'] as $key => $value){
258 /* Check if type has changed */
259 if(isset($_POST['RecordTypeSelectedFor_'.$key])){
260 $this->dnsEntry['RECORDS'][$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
261 }
262 /* Check if value has changed */
263 if(isset($_POST['RecordValue_'.$key])){
264 $this->dnsEntry['RECORDS'][$key]['value'] = $_POST['RecordValue_'.$key];
265 }
266 }
267 }
268 /* Get all basic DNS attributes (TTL, Clas ..)*/
269 foreach($this->DNSattributes as $attr){
270 if(isset($_POST[$attr])){
271 $this->dnsEntry[$attr] = $_POST[$attr];
272 }
273 }
275 /* Enable diable DNS */
276 if(isset($_POST['enableDNS'])){
277 $this->DNS_is_account = true;
278 }else{
279 $this->DNS_is_account = false;
280 }
281 }
282 }
285 /* Check supplied data */
286 function check()
287 {
288 /* Call common method to give check the hook */
289 $message= plugin::check();
291 /* Check if ip must be given
292 */
293 if(($this->IPisMust)||($this->DNS_is_account)){
295 /* Check if ip is empty
296 */
297 if ($this->ipHostNumber == "" && chkacl ($this->acl, "ipHostNumber") == ""){
298 $message[]= _("The required field 'IP-address' is not set.");
299 }
301 /* check if given ip is valid ipi
302 */
303 $num="(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])";
304 if (!preg_match("/^$num\\.$num\\.$num\\.$num$/", $this->ipHostNumber)){
305 $message[]= _("Wrong IP format in field IP-address.");
306 }
307 }
309 /* Check if mac is empty
310 */
311 if ($this->macAddress == "" && chkacl ($this->acl, "macAddress") == ""){
312 $message[]= _("The required field 'MAC-address' is not set.");
313 }
315 /* Check if given mac is valid mac
316 */
317 $tr = count(split(":",$this->macAddress));
318 if($tr!=6){
319 $message[]=(_("The given macaddress is invalid. There must be 6 2byte segments seperated by ':'."));
320 }
322 /* only perfrom this checks if this is a valid DNS account */
323 if($this->DNS_is_account){
325 $checkArray = array();
326 $onlyOnce = array();
328 $onlyOnce['cNAMERecord'] = 0;
330 /* Walk through all entries and detect duplicates or mismatches
331 */
332 foreach($this->dnsEntry['RECORDS'] as $name => $values){
334 /* Count record values, to detect duplicate entries for a specific record
335 */
336 if(!isset($checkArray[$values['type']][$values['value']])){
337 $checkArray[$values['type']][$values['value']] = 0;
338 }else{
339 $message[] = sprintf(_("Found duplicate value for record type '%s'."),$values['type']);
340 }
342 /* Check if given entries in $onlyOnce are used more than once
343 */
344 if(isset($onlyOnce[$values['type']])){
345 $onlyOnce[$values['type']] ++;
346 if($onlyOnce[$values['type']] > 1){
347 $message[] = sprintf(_("Found more than one entry for the uniqe record type '%s'."),$values['type']);
348 }
349 }
351 /* Skip txt record ...
352 */
353 if($values['type'] == "tXTRecord") continue;
355 /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress
356 */
357 if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)){
358 $message[]=sprintf(_("The device IP '%s' is added as 'A Record', this will be done automatically, please remove the record."),
359 $this->ipHostNumber);
360 }
362 /* only lower-case is allowed in record entries ...
363 */
364 if($values['value'] != strtolower($values['value'])){
365 $message[] = sprintf(_("Only lowercase is allowed, please check your '%ss'."),$values['type']);
366 }
367 }
368 }
369 return ($message);
370 }
373 /* Save to LDAP */
374 function save($dn)
375 {
376 $ldap= $this->config->get_ldap_link();
378 /*******************/
379 /* IP-MAC HANDLING */
380 /*******************/
382 /* $dn was posted as parameter */
383 $this->dn = $dn;
385 /* Save DNS setting & ip/Mac*/
386 plugin::save();
388 /* Write back to ldap */
389 $ldap->cd($this->dn);
390 $this->cleanup();
391 $ldap->modify ($this->attrs);
393 /****************/
394 /* DNS HANDLING */
395 /****************/
397 /* If isn't DNS account but initially was DNS account
398 remove all DNS entries
399 */
400 if(!$this->DNSenabled){
401 return;
402 }else{
404 /* Add ipHostNumber to aRecords
405 */
406 $this->dnsEntry['RECORDS'][] = array("type"=>"aRecord","value"=>$this->ipHostNumber);
408 /* Create diff and follow instructions
409 * If Account was disabled, remove account by setting exists to false
410 */
411 if((!$this->DNS_is_account)&&($this->DNSinitially_was_account)){
412 $this->dnsEntry['exists'] = false;
413 $tmp = getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
414 }else{
415 $this->dnsEntry['exists'] = $this->DNS_is_account;
416 $tmp = getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
417 }
419 /* move follwoing entries
420 */
421 foreach($tmp['move'] as $src => $dst){
422 $this->recursive_move($src,$dst);
423 }
425 /* Delete dns */
426 foreach($tmp['del'] as $dn => $del){
427 $ldap->cd($dn);
428 $ldap->rmdir_recursive($dn);
429 }
431 /* Add || Update new DNS entries
432 */
433 foreach($tmp['add'] as $dn => $attrs){
434 $ldap->cd($dn);
435 $ldap->cat($dn, array('dn'));
436 if(count($ldap->fetch())){
437 $ldap->cd($dn);
438 $ldap->modify ($attrs);
439 }else{
440 $ldap->cd($dn);
441 $ldap->add($attrs);
442 }
443 }
445 /* Display errors
446 */
447 if($ldap->get_error() != "Success"){
448 show_ldap_error("Record:".$ldap->get_error(), _("Saving terminal to DNS object failed"));
449 }
450 }
451 }
453 /* Create html table with all used record types
454 */
455 function generateRecordsList()
456 {
457 $changeStateForRecords = "";
459 if(!$this->DNS_is_account) {
460 $str = "<input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord' disabled='disabled'>";
461 return $str;
462 }
464 $str = "<table summary='' width='100%'>";
465 foreach($this->dnsEntry['RECORDS'] as $key => $entry){
467 $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
468 $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
469 $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
471 $str.=" <tr>".
472 " <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
473 " <td><input type='text' value='".$entry['value']."' name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
474 " <td><input type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
475 "</tr>";
476 }
478 $str.= " <tr>".
479 " <td colspan=2 width='50%'></td><td>".
480 " <input type='submit' value='"._("Add")."' name='AddNewRecord'>".
481 " </td>".
482 " </tr>".
483 "</table>";
484 $ret = array("str" => $str, "changeStateForRecords" => $changeStateForRecords);
485 return($ret);
486 }
489 /* Create a html select box which allows us to select different types of records
490 */
491 function generateRecordListBox($selected,$name)
492 {
493 $str = "<select name='".$name."' id='".$name."'>";
494 foreach($this->RecordTypes as $type => $value){
495 $use = "";
496 if($type == $selected){
497 $use = " selected ";
498 }
499 $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
500 }
501 $str.="</select>";
502 return($str);
503 }
504 }
506 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
507 ?>