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 $smarty->assign("autonet", $this->autonet);
160 $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
161 return($display);
162 }else{
163 $smarty->assign("DNS_is_account",true);
164 }
166 /* Add new empty array to our record list */
167 if(isset($_POST['AddNewRecord'])){
168 $this->dnsEntry['RECORDS'][] =array("type"=>"aRecord","value"=>"");
169 }
171 /* Handle all posts */
172 $only_once =true;
173 foreach($_POST as $name => $value){
175 /* Check if we have to delete a record entry */
176 if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
178 /* Avoid performing this once again */
179 $only_once = false;
181 /* Extract id for specified entry */
182 $id = preg_replace("/RemoveRecord_/","",$name);
183 $id = preg_replace("/_.*$/","",$id);
185 /* Delete this record, mark edited entries to be able to delete them */
186 if(isset($this->dnsEntry['RECORDS'][$id])){
187 unset($this->dnsEntry['RECORDS'][$id]);
188 }
189 }
190 }
192 /* Assign smarty all non DNs attributes */
193 foreach($this->attributes as $attr){
194 $smarty->assign($attr,$this->$attr);
195 }
197 /* Assign smarty all DNS attributes */
198 foreach($this->DNSattributes as $attr){
199 $smarty->assign($attr,$this->dnsEntry[$attr]);
200 }
202 /* Assign all needed vars */
203 $smarty->assign("DNSAccount",$this->DNS_is_account);
204 $smarty->assign("Zones",$this->Zones);
205 $smarty->assign("ZoneKeys",($this->Zones));
206 $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
208 $tmp = $this->generateRecordsList();
210 $changeStateForRecords = $tmp['changeStateForRecords'];
212 $smarty->assign("records",$tmp['str']);
213 $smarty->assign("changeStateForRecords",$changeStateForRecords);
214 $smarty->assign("staticAddress","<font class=\"must\">*</font>");
216 $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
217 return($display);
218 }
220 function remove_from_parent()
221 {
222 /*
223 $ldap = $this->config->get_ldap_link();
224 $ldap->cd($this->orig_dn);
225 $ldap->search("(&(objectClass=dNSZone)(zoneName=*)(!(relativeDomainName=@)))",array("relativeDomainName","zoneName"));
226 while($attr = $ldap->fetch()){
227 $ldap->cd($attr['dn']);
228 $ldap->rmDir($attr['dn']);
229 show_ldap_error("Record:".$ldap->get_error(), _("Removing terminal from DNS object failed"));
230 }
231 */
232 }
234 /* Save data to object */
235 function save_object()
236 {
237 /* Save all posted vars */
238 plugin::save_object();
240 /* Ge all non dns attributes (IP/MAC)*/
241 foreach($this->attributes as $attr){
242 if(isset($_POST[$attr])){
243 $this->$attr = $_POST[$attr];
244 }
245 }
247 /* Get dns attributes */
248 if(($this->DNSenabled) && (isset($_POST['network_tpl_posted']))){
250 /* Check for posted record changes */
251 if(is_array($this->dnsEntry['RECORDS'])){
252 foreach($this->dnsEntry['RECORDS'] as $key => $value){
254 /* Check if type has changed */
255 if(isset($_POST['RecordTypeSelectedFor_'.$key])){
256 $this->dnsEntry['RECORDS'][$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
257 }
258 /* Check if value has changed */
259 if(isset($_POST['RecordValue_'.$key])){
260 $this->dnsEntry['RECORDS'][$key]['value'] = $_POST['RecordValue_'.$key];
261 }
262 }
263 }
264 /* Get all basic DNS attributes (TTL, Clas ..)*/
265 foreach($this->DNSattributes as $attr){
266 if(isset($_POST[$attr])){
267 $this->dnsEntry[$attr] = $_POST[$attr];
268 }
269 }
271 /* Enable diable DNS */
272 if(isset($_POST['enableDNS'])){
273 $this->DNS_is_account = true;
274 }else{
275 $this->DNS_is_account = false;
276 }
277 }
278 }
281 /* Check supplied data */
282 function check()
283 {
284 /* Call common method to give check the hook */
285 $message= plugin::check();
287 /* Check if ip must be given
288 */
289 if(($this->IPisMust)||($this->DNS_is_account)){
291 /* Check if ip is empty
292 */
293 if ($this->ipHostNumber == "" && chkacl ($this->acl, "ipHostNumber") == ""){
294 $message[]= _("The required field 'IP-address' is not set.");
295 }
297 }
299 /* check if given ip is valid ip */
300 if ($this->ipHostNumber != "" && !is_ip($this->ipHostNumber)){
301 $message[]= _("Wrong IP format in field IP-address.");
302 }
304 /* Check if mac is empty
305 */
306 if ($this->macAddress == "" && chkacl ($this->acl, "macAddress") == ""){
307 $message[]= _("The required field 'MAC-address' is not set.");
308 }
310 /* Check if given mac is valid mac
311 */
312 if(!is_mac($this->macAddress)){
313 $message[]=(_("The given macaddress is invalid. There must be 6 2byte segments seperated by ':'."));
314 }
316 /* only perfrom this checks if this is a valid DNS account */
317 if($this->DNS_is_account){
319 $checkArray = array();
320 $onlyOnce = array();
322 // There can be many CNAME records
323 //$onlyOnce['cNAMERecord'] = 0;
325 /* Walk through all entries and detect duplicates or mismatches
326 */
327 foreach($this->dnsEntry['RECORDS'] as $name => $values){
329 /* Count record values, to detect duplicate entries for a specific record
330 */
331 if(!isset($checkArray[$values['type']][$values['value']])){
332 $checkArray[$values['type']][$values['value']] = 0;
333 }else{
334 $message[] = sprintf(_("Found duplicate value for record type '%s'."),$values['type']);
335 }
337 /* Check if given entries in $onlyOnce are used more than once
338 */
339 if(isset($onlyOnce[$values['type']])){
340 $onlyOnce[$values['type']] ++;
341 if($onlyOnce[$values['type']] > 1){
342 $message[] = sprintf(_("Found more than one entry for the uniqe record type '%s'."),$values['type']);
343 }
344 }
346 /* Skip txt record ...
347 */
348 if($values['type'] == "tXTRecord") continue;
350 /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress
351 */
352 if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)){
353 $message[]=sprintf(_("The device IP '%s' is added as 'A Record', this will be done automatically, please remove the record."),
354 $this->ipHostNumber);
355 }
357 /* only lower-case is allowed in record entries ...
358 */
359 if($values['value'] != strtolower($values['value'])){
360 $message[] = sprintf(_("Only lowercase is allowed, please check your '%ss'."),$values['type']);
361 }
362 }
363 }
364 return ($message);
365 }
368 /* Save to LDAP */
369 function save($dn)
370 {
371 $ldap= $this->config->get_ldap_link();
373 /*******************/
374 /* IP-MAC HANDLING */
375 /*******************/
377 /* $dn was posted as parameter */
378 $this->dn = $dn;
380 /* Save DNS setting & ip/Mac*/
381 plugin::save();
383 /* Write back to ldap */
384 $ldap->cd($this->dn);
385 $this->cleanup();
386 $ldap->modify ($this->attrs);
388 /****************/
389 /* DNS HANDLING */
390 /****************/
392 /* If isn't DNS account but initially was DNS account
393 remove all DNS entries
394 */
395 if(!$this->DNSenabled){
396 return;
397 }else{
399 /* Add ipHostNumber to aRecords
400 */
401 $this->dnsEntry['RECORDS'][] = array("type"=>"aRecord","value"=>$this->ipHostNumber);
403 /* Create diff and follow instructions
404 * If Account was disabled, remove account by setting exists to false
405 */
406 if((!$this->DNS_is_account)&&($this->DNSinitially_was_account)){
407 $this->dnsEntry['exists'] = false;
408 $tmp = getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
409 }else{
410 $this->dnsEntry['exists'] = $this->DNS_is_account;
411 $tmp = getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
412 }
414 /* move follwoing entries
415 */
416 foreach($tmp['move'] as $src => $dst){
417 $this->recursive_move($src,$dst);
418 }
420 /* Delete dns */
421 foreach($tmp['del'] as $dn => $del){
422 $ldap->cd($dn);
423 $ldap->rmdir_recursive($dn);
424 }
426 /* Add || Update new DNS entries
427 */
428 foreach($tmp['add'] as $dn => $attrs){
429 $ldap->cd($dn);
430 $ldap->cat($dn, array('dn'));
431 if(count($ldap->fetch())){
432 $ldap->cd($dn);
433 $ldap->modify ($attrs);
434 }else{
435 $ldap->cd($dn);
436 $ldap->add($attrs);
437 }
438 }
440 /* Display errors
441 */
442 if($ldap->get_error() != "Success"){
443 show_ldap_error("Record:".$ldap->get_error(), _("Saving terminal to DNS object failed"));
444 }
445 }
446 }
448 /* Create html table with all used record types
449 */
450 function generateRecordsList()
451 {
452 $changeStateForRecords = "";
454 if(!$this->DNS_is_account) {
455 $str = "<input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord' disabled='disabled'>";
456 return $str;
457 }
459 $str = "<table summary='' width='100%'>";
460 foreach($this->dnsEntry['RECORDS'] as $key => $entry){
462 $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
463 $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
464 $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
466 $str.=" <tr>".
467 " <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
468 " <td><input type='text' value='".$entry['value']."' name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
469 " <td><input type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
470 "</tr>";
471 }
473 $str.= " <tr>".
474 " <td colspan=2 width='50%'></td><td>".
475 " <input type='submit' value='"._("Add")."' name='AddNewRecord'>".
476 " </td>".
477 " </tr>".
478 "</table>";
479 $ret = array("str" => $str, "changeStateForRecords" => $changeStateForRecords);
480 return($ret);
481 }
484 /* Create a html select box which allows us to select different types of records
485 */
486 function generateRecordListBox($selected,$name)
487 {
488 $str = "<select name='".$name."' id='".$name."'>";
489 foreach($this->RecordTypes as $type => $value){
490 $use = "";
491 if($type == $selected){
492 $use = " selected ";
493 }
494 $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
495 }
496 $str.="</select>";
497 return($str);
498 }
499 }
501 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
502 ?>