Code

5fcdd76e05a563f4344055ae917d5fc037614eb9
[gosa.git] / gosa-plugins / systems / admin / systems / class_termDNS.inc
1 <?php
2 /*
3  * This code is part of GOsa (http://www.gosa-project.org)
4  * Copyright (C) 2003-2008 GONICUS GmbH
5  *
6  * ID: $$Id$$
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  */
23 class termDNS extends plugin
24 {
25   /* attribute list for save action */
26   var $ignore_account = true;
28   /* Basic informations 
29    */
30   var $attributes     = array("ipHostNumber","macAddress");
31   var $objectclasses  = array("whatever");
33   var $ipHostNumber          = "";    // IP address 
34   var $additionalHostNumbers = array();
35   var $macAddress            = "";    // Mac address 
37   var $orig_ipHostNumber   = "";    // IP address 
38   var $orig_macAddress     = "";    // Mac address 
40   var $cn             = "";    // CN of currently edited device 
41   var $OrigCn         = "";    // Initial cn
42   var $IPisMust       = false;
43   var $MACisMust      = false;
44   var $dialog         = false;
46   /* DCHP Attributes 
47    */
48   var $dhcpAttributes           = array("dhcpParentNode");
49   var $dhcpEnabled              = FALSE;
50   var $dhcp_is_Account          = FALSE;
51   var $dhcpParentNodes          = array();
52   var $dhcpParentNode           = "";
53   var $dhcpHostEntry            = array();
54   var $initial_dhcpParentNode   = "";
55   var $initial_dhcpHostEntry    = array();
56   var $initial_dhcp_is_Account  = FALSE;
58   var $used_ip_mac              = array();  
60   /* DNS attributes  
61    */
62   var $DNSattributes            = array("zoneName","dNSTTL");
63   var $DNS_is_account           = false;
64   var $initially_was_account = false;
65   var $dnsEntry                 = array();
66   var $DNSenabled               = false;
67   var $hide_dns_check_box       = FALSE;
68   var $namingAttr               = "cn";
70   /*  Terminal dns 
71    */
72   function termDNS (&$config, $parent,$objectClasses,$IPisMust = false,$namingAttr = "cn")
73   {
74     /* We need to know which objectClasses are used, to store the ip/mac
75      * Because of different type of devices   
76      */ 
77     $this->parent         = $parent;
78     $this->objectclasses  =  $objectClasses;
79     $this->IPisMust       = $IPisMust;
80     $this->namingAttr     = $namingAttr;
82     plugin::plugin ($config, $parent->dn, $this->parent);
83   
84     $this->attrs = &$this->parent->attrs;
86     if(isset($this->attrs[$namingAttr][0])){
87       $this->OrigCn = preg_replace("/\\\$\$/","",$this->attrs[$namingAttr][0]);
88       $this->cn = preg_replace("/\\\$\$/","",$this->attrs[$namingAttr][0]);
89     }
91     /* Create list of additional ipHostNumber.
92      */
93     $this->additionalHostNumbers = array();
94     if(isset($this->attrs['ipHostNumber']) && $this->attrs['ipHostNumber']['count'] > 1){
95       for($i = 1 ; $i < $this->attrs['ipHostNumber']['count']; $i ++){
96         $this->additionalHostNumbers[] = $this->attrs['ipHostNumber'][$i];
97       }
98     }
99  
100     /************
101      * DHCP 
102      ************/
104     /* Hide all dhcp specific code, if dhcp plugin is not present in config */
105     $this->dhcpEnabled = FALSE;
106     if($this->config->search("servdhcp","class",array("tabs"))){
107       $this->dhcpEnabled = TRUE;
108     }
109     
110     if(!class_available("dhcpHost")){
111       $this->dhcpEnabled = FALSE;
112     }
114     if($this->dhcpEnabled){
115       $this->dhcpParentNodes = $this->get_dhcp_parent_nodes();
116       $this->dhcpParentNode  = $this->get_dhcp_parent_node();
117       if($this->dhcpParentNode){
118         $this->dhcp_is_Account = TRUE;
119         $this->initial_dhcp_is_Account = TRUE;
120         $this->dhcpHostEntry  = $this->get_dhcp_host_entry();    
121       }
122       $this->initial_dhcpHostEntry = $this->dhcpHostEntry;
123       $this->initial_dhcpParentNode= $this->dhcpParentNode;
124     }
127     /************
128      * DNS
129      ************/
130  
131     /* Hide all dns specific code, if dns is not available 
132      */
133     $DNSenabled = false;
134     foreach($this->config->data['TABS']['SERVERSERVICE'] as $tab){
135       if(preg_match("/^servdns$/",$tab['CLASS'])){
136         $this->DNSenabled = true;
137       }
138     }
140     if(!class_available("DNS")){
141       $this->DNSenabled = FALSE;
142     }
143   
144     if(!$this->DNSenabled){
145       $this->DNS_is_account = false;
146       return;
147     }
149     if($this->DNSenabled){
151       /* Get Zones  
152        */
153       $this->Zones        = DNS::getAvailableZones($config);
155       /* Get Entry 
156        */
157       $this->dnsEntry     = DNS::getDNSHostEntries($config,$this->OrigCn);
159       $ptr = DNS::FlipIp($this->get_pTRRecord());
161       /* Remove A record which equals $this->ipHostNumber
162        */
163       foreach($this->dnsEntry['RECORDS'] as $key => $rec){
164         if(($rec['type'] == "aRecord") && ($rec['value'] == $this->ipHostNumber)){
165           unset($this->dnsEntry['RECORDS'][$key]);
166         }
167         if(($rec['type'] == "pTRRecord") && ($rec['value'] == $ptr)){
168           unset($this->dnsEntry['RECORDS'][$key]);
169         }
170       }
172       /* Get Record types 
173        */
174       $this->RecordTypes  = DNS::getDnsRecordTypes();
176       /* If there is at least one entry in this -> types, we have DNS enabled 
177        */
178       if($this->dnsEntry['exists']){
179         $this->DNS_is_account = true;
180       }else{
181         $this->DNS_is_account = false;
182       }
183     }
185     /* Create a list of used mac and ip addresses.
187        ! We use this optically huge amount of code to fetch all 
188        Mac and IP addresses, because a simple search for mac and IP
189        over the whole ldap server was 10 to 20 times slower.
190      */
191     $deps  = array();
192     $ou = preg_replace("/,.*$/","",get_ou("systemRDN"));
193     $a_ous = array(get_ou("serverRDN"),
194                   get_ou("terminalRDN"),
195                   get_ou("workstationRDN"),
196                   get_ou("printerRDN"),
197                   get_ou("phoneRDN"),
198                   get_ou("componentRDN"));
199   
200     $ldap = $this->config->get_ldap_link();
201     $ldap->cd($this->config->current['BASE']);
202     $ldap->search("(&(objectClass=organizationalUnit)(".$ou."))",array("dn"));
203     while($attrs = $ldap->fetch()){
204       foreach($a_ous as $allowed){
205         $deps[] = $allowed.$attrs['dn'];
206       }
207     }
209     foreach($deps as $dep){
210       $ldap->cd($dep);
211       $ldap->search("(|(macAddress=*)(ipHostNumber=*))",array("macAddress","ipHostNumber"));
212       while($attrs = $ldap->fetch()){
213         if(isset($attrs['ipHostNumber'][0])){
214           $this->used_ip_mac["ip:".$attrs['ipHostNumber'][0]] = "ip:".$attrs['ipHostNumber'][0];
215         }
216         if(isset($attrs['macAddress'][0])){
217           $this->used_ip_mac["mac:".$attrs['macAddress'][0]] = "mac:".$attrs['macAddress'][0];
218         }
219       } 
220     }
222     /* Save initial ip and mac values, to be able 
223         check if the used values are already in use */ 
224     $this->orig_ipHostNumber   = $this->ipHostNumber;  
225     $this->orig_macAddress     = $this->macAddress;
226  
227     /* Store initally account settings 
228      */
229     $this->initially_was_account = $this->DNS_is_account;
231     if($this->DNS_is_account){
232       new log("view","unknown/".get_class($this),$this->dn);
233     }
234   }
237   function netmaskIsCoherent($idZone) 
238   {
239     $netmask = DNS::FlipIp(str_replace(".in-addr.arpa.","",DNS::getNameFromMix($idZone)));
240     if(!strstr($this->ipHostNumber, $netmask)){
241       return false;
242     }else{
243       return true;
244     }
245   }
248   function getVarsForSaving($attrs) 
249   {
250     foreach($this->attributes as $attr){
251       if(!empty($this->$attr)){
252         $attrs[$attr] = $this->$attr;
253       }
254     }
255     return($attrs); 
256   }
258   function execute()
259   {
260           /* Call parent execute */
261     $smarty= get_smarty();
262     $smarty->assign("autonetACL",$this->acl_is_writeable("macAddress") && $this->acl_is_writeable("ipHostNumber")?"rw":"");
263     $smarty->assign("MACisMust",$this->MACisMust);
265     $tmp = $this->plInfo();
266     foreach($tmp['plProvidedAcls'] as $name => $translation){
267       $smarty->assign($name."ACL",$this->getacl($name));
268     }
270     $display= "";
272     /**********
273      * Additional ipHostNumber handling 
274      **********/
275       
276     /* Add a new one */
277     if($this->acl_is_writeable("ipHostNumber")){
278       foreach($_POST as $name => $value){
279         if(preg_match("/^additionalHostNumbers_add/",$name)){
280           $this->additionalHostNumbers[] = "";
281           break;
282         }
284         /* Delete given entry */
285         if(preg_match("/^additionalHostNumbers_del_/",$name)){
286           $id = preg_replace("/^^additionalHostNumbers_del_([0-9]*)_.*/","\\1",$name);
287           if(isset($this->additionalHostNumbers[$id])){
288             unset($this->additionalHostNumbers[$id]);
289             $this->additionalHostNumbers = array_values($this->additionalHostNumbers);
290           }
291           break;
292         } 
293       }
294     }
295  
296     $smarty->assign("additionalHostNumbers",$this->additionalHostNumbers);
297  
298     /**********
299      * Autonet completion
300      **********/
301  
302     /* Check for autonet button */
303     if (isset($_POST['autonet']) && ($this->acl_is_writeable("ipHostNumber") || $this->acl_is_writeable("macAddress"))){
304         if(class_available("gosaSupportDaemon")){
305             $d= new gosaSupportDaemon(TRUE, 0.5);
306             $res= $d->_send("<xml><header>gosa_network_completition</header>".
307                     "<source>GOSA</source><target>GOSA</target><hostname>".$this->cn."</hostname></xml>", TRUE);
308             if (isset($res['XML']['IP']) && $this->acl_is_writeable("ipHostNumber")){
309                 $this->ipHostNumber= $res['XML']['IP'];
310             }
311             if (isset($res['XML']['MAC']) && $this->acl_is_writeable("macAddress")){
312                 $this->macAddress= $res['XML']['MAC'];
313             }
314         }
315     }
317   
318     /**********
319      * DHCP Handling
320      **********/
321  
322     if(isset($_POST['dhcpEditOptions']) && $this->acl_is_readable("dhcpSetup")){
323       if(count($this->dhcpHostEntry) == 0){
324         $this->dialog = new dhcpHost($this->parent,$this->dhcpParentNode,TRUE);
325       }else{
326         $this->dialog = new dhcpHost($this->parent,$this->dhcpHostEntry,TRUE);
327       }
328       $this->dialog->cn   = $this->cn;
329       $this->dialog->read_only     = !$this->acl_is_writeable("dhcpSetup");
330       $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress; 
331       if(!empty($this->ipHostNumber)){
332         $this->dialog->statements->set('fixed-address', $this->ipHostNumber); 
333       }
334     }
336     if(isset($_POST['cancel_dhcp'])){
337       $this->dialog = FALSE; 
338     }
340     if(isset($_POST['save_dhcp']) && $this->acl_is_writeable("dhcpSetup") && is_object($this->dialog)){
341       $this->dialog->save_object();
342       $msgs = $this->dialog->check(array());
343       if(count($msgs)){
344         foreach($msgs as $msg){
345           msg_dialog::display(_("Error"), $msg, ERROR_DIALOG);
346         }
347       }else{
348         $this->dhcpHostEntry = $this->dialog->save();
349         $this->dialog = FALSE; 
350       }
351     }
353     if(is_object($this->dialog)){
354       $this->dialog->save_object();
355       return($this->dialog->execute());
356     }
357  
358     $smarty->assign("dhcpEnabled",    $this->dhcpEnabled && $this->acl_is_readable("dhcpSetup"));
359     $smarty->assign("dhcp_is_Account",$this->dhcp_is_Account);
360     $smarty->assign("dhcpParentNode", $this->dhcpParentNode);
361     $smarty->assign("dhcpParentNodes",$this->dhcpParentNodes);
362     $smarty->assign("dhcpParentNodeCnt",count($this->dhcpParentNodes));
364     /**********
365      * DNS Handling
366      **********/
368     /* There is no dns available
369      */
370     $smarty->assign("DNS_is_account",$this->DNS_is_account);
371     $smarty->assign("DNSenabled",$this->DNSenabled && $this->acl_is_readable("dnsSetup"));
373     if($this->DNSenabled == false){
375       /* Is IP address must ? */
376 #      $smarty->assign("DNS_is_account",false);
377       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
379       /* Assign smarty all non DNs attributes */
380       foreach($this->attributes as $attr){
381         $smarty->assign($attr,$this->$attr);
382       }
384       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
385     }else{
386  #     $smarty->assign("DNS_is_account",true);
388       /* Add new empty array to our record list */
389       if(isset($_POST['AddNewRecord']) && $this->acl_is_writeable("dnsSetup")){
390         $this->dnsEntry['RECORDS'][]  =array("type"=>"aRecord","value"=>"");
391       }
393       /* propose_ip */
394       if(isset($_POST['propose_ip']) && $this->acl_is_writeable("ipHostNumber")){
395         foreach($this->Zones as $key => $name){
396           if($name == $this->dnsEntry['zoneName']){
397             $net = DNS::FlipIp(str_replace(".in-addr.arpa.","",DNS::getNameFromMix($key)));
398             $this->ipHostNumber = $this->generateRandomIP($net);
399           }
400         }
401       }
403       /* Handle all posts */
404       $only_once =true;
405       if($this->acl_is_writeable("dnsSetup")){
406         foreach($_POST as $name => $value){
408           /* Check if we have to delete a record entry */
409           if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
411             /* Avoid performing this once again */
412             $only_once = false;
414             /* Extract id for specified entry */
415             $id = preg_replace("/RemoveRecord_/","",$name);
416             $id = preg_replace("/_.*$/","",$id);
418             /* Delete this record, mark edited entries to be able to delete them */
419             if(isset($this->dnsEntry['RECORDS'][$id])){
420               unset($this->dnsEntry['RECORDS'][$id]);
421             }
422           }
423         }
424       }
425       /* Assign smarty all non DNs attributes */
426       foreach($this->attributes as $attr){
427         $smarty->assign($attr,$this->$attr);
428       }
430       /* Assign smarty all DNS attributes */
431       foreach($this->DNSattributes as $attr){
432         $smarty->assign($attr,htmlentities($this->dnsEntry[$attr]));
433       }
435       /* Assign all needed vars */
436  #     $smarty->assign("DNSAccount",$this->DNS_is_account);
437       $smarty->assign("hide_dns_check_box",$this->hide_dns_check_box);
438   
439       $smarty->assign("Zones",$this->Zones);
440       $smarty->assign("ZoneCnt",count($this->Zones));
441       $smarty->assign("ZoneKeys",($this->Zones));
442       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
444       /* Create zone array */
445       $idZones = array();
446       foreach($this->Zones as $id => $zone){
447         if($this->netmaskIsCoherent($id)) {
448           $idZones[$id] = $zone;
449         }else{
450           $idZones[$id] = $zone."&nbsp;("._("Not matching").")";
451         }
452       }
453       $smarty->assign("Zones",$idZones);
454       $smarty->assign("ZoneKeys", $this->Zones);
456       $tmp = $this->generateRecordsList();
458       $changeStateForRecords = $tmp['changeStateForRecords'];
460       $smarty->assign("records",$tmp['str']);
461       $smarty->assign("changeStateForRecords",$changeStateForRecords);
463       $smarty->assign("autonetACL",$this->acl_is_writeable("macAddress") && $this->acl_is_writeable("ipHostNumber")?"rw":"");
465       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
466     }
468     return($display);
469   }
472   function remove_from_parent()
473   {
475     $ldap = $this->config->get_ldap_link();
477     /************
478      * DNS Handling
479      ************/
481     if($this->DNS_is_account){
484       $tmp = array();
485       $this->dnsEntry['exists'] = false;
486       $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
487   
488       /* Delete dns */
489       foreach($tmp['del'] as $dn => $del){
490         $ldap->cd($dn);
491         $ldap->rmdir_recursive($dn);
492         new log("remove","unknown/".get_class($this),$dn);
493         if (!$ldap->success()){
494           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, LDAP_DEL, get_class()));
495         }
496       }
497     }
500     /************
501      * DHCP Handling 
502      ************/
504     /* DHCP removed */
505     if($this->dhcp_is_Account){
506       $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
507       if (!$ldap->success()){
508         msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_DEL, get_class()));
509       }
510     }
511   }
514   /* Save data to object */
515   function save_object()
516   {
518     if(isset($_POST['network_tpl_posted'])){
520       /* Save all posted vars */
521       plugin::save_object();
523       /******
524         Additional IP Host Numbers 
525        ******/
527       /* Get posts for all additionally added ipHostNumbers */
528       if($this->acl_is_writeable("ipHostNumber")){
529         foreach($this->additionalHostNumbers as $id => $value){
530           if(isset($_POST['additionalHostNumbers_'.$id])){
531             $this->additionalHostNumbers[$id] = get_post('additionalHostNumbers_'.$id);
532           }
533         } 
534       } 
537       /******
538         DHCP posts
539        ******/
541       if($this->acl_is_writeable("dhcpSetup") && $this->dhcpEnabled && isset($_POST['network_tpl_posted'])){
542         foreach($this->dhcpAttributes as $attr){
543           if(isset($_POST[$attr])){
544             $this->$attr = $_POST[$attr];
545           }
546         }
547         if(isset($_POST['dhcp_is_Account'])){
548           $this->dhcp_is_Account = TRUE;
549         }else{
550           $this->dhcp_is_Account = FALSE;
551         }
552       }
554       /* Ge all non dns attributes (IP/MAC)*/
555       foreach($this->attributes as $attr){
556         if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
557           $this->$attr = $_POST[$attr];
558         }
559       }
562       /******
563         DNS posts
564        ******/
566       /* Check if DNS should be enabled / disabled 
567        *  -skip this, if the dns account is enforced.
568        */
569       if(!$this->hide_dns_check_box){
570         if($this->DNS_is_account && $this->acl_is_writeable("dnsSetup") && !isset($_POST['DNS_is_account'])){
571           $this->DNS_is_account = false;
572         }elseif(!$this->DNS_is_account && $this->acl_is_writeable("dnsSetup") && isset($_POST['DNS_is_account'])){
573           $this->DNS_is_account = true;
574         }
575       }
577       /* Get dns attributes */
578       if(($this->DNSenabled) && (isset($_POST['network_tpl_posted'])) && $this->acl_is_writeable("dnsSetup")){
580         /* Check for posted record changes */
581         if(is_array($this->dnsEntry['RECORDS'])){
582           foreach($this->dnsEntry['RECORDS'] as $key => $value){
584             /* Check if type has changed */
585             if(isset($_POST['RecordTypeSelectedFor_'.$key])){
586               $this->dnsEntry['RECORDS'][$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
587             }
588             /* Check if value has changed */
589             if(isset($_POST['RecordValue_'.$key])){
590               $this->dnsEntry['RECORDS'][$key]['value'] = get_post('RecordValue_'.$key);
591             }
592           }
593         }
595         /* Get all basic DNS attributes (TTL, Clas ..)*/
596         foreach($this->DNSattributes as $attr){
597           if(isset($_POST[$attr])){
598             $this->dnsEntry[$attr] = get_post($attr);
599           }
600         }
601       }
602       if($this->hide_dns_check_box){
603         $this->DNS_is_account = true;
604       }
605     }
606   }
609   /* Check supplied data */
610   function check()
611   {
612     /* Call common method to give check the hook */
613     $message= plugin::check();
615     /******
616       check additional IP Host Numbers 
617      ******/
619     foreach($this->additionalHostNumbers as $id => $value){
620       if(!tests::is_ip($value)){
621         $message[]= msgPool::invalid(sprintf(_("IP address %s"),($id +2)), "", "", "192.168.1.10");
622       }
623     }
626     /* Check if mac and ip are already used */
627     if(!empty($this->ipHostNumber) && $this->DNS_is_account && 
628         $this->ipHostNumber != $this->orig_ipHostNumber && 
629         in_array_strict("ip:".$this->ipHostNumber,$this->used_ip_mac)){
630       $message[]= msgPool::duplicated(_("IP address"));
631     }
632     if(!empty($this->macAddress) && $this->dhcp_is_Account && 
633         $this->macAddress != $this->orig_macAddress && 
634         in_array_strict("mac:".$this->macAddress,$this->used_ip_mac)){
635       $message[]= msgPool::duplicated(_("MAC address"));
636     }
638     /* Check if ip must be given
639      */  
640     if(($this->IPisMust)||($this->DNS_is_account)){
641       if (empty($this->ipHostNumber)){
642         $message[]= msgPool::required(_("IP address"));
643       }elseif (!tests::is_ip($this->ipHostNumber)){
644         $message[]= msgPool::invalid(_("IP address"), "", "", "192.168.1.10");
645       }
646     }
648     /* Check if mac is empty 
649      */
650     if($this->MACisMust || $this->dhcp_is_Account){
651       if ($this->macAddress == "" ){
652         $message[]= msgPool::required(_("MAC address"));
653       }elseif(!tests::is_mac($this->macAddress)){
654         $message[]= msgPool::invalid(_("MAC address"), "", "", "00:0C:7F:31:33:F1");
655       }
656     }
658     /* only perfrom this checks if this is a valid DNS account */
659     if($this->DNS_is_account){
661       $checkArray = array();
662       $onlyOnce   = array();
664       //  $onlyOnce['cNAMERecord'] = 0;
665        $tmp = array_flip($this->Zones);
666        $tmp2 = $tmp[$this->dnsEntry['zoneName']];
667        if(!$this->netmaskIsCoherent($tmp2)){ //this->dnsEntry['zoneName'])){
668          $tmp2 = preg_replace("/^.*\//","",$tmp2);
669          $message[] =sprintf(_("The IP address '%s' is not part of the selected reverse zone '%s'!"),$this->ipHostNumber,$tmp2);
670        }
672       /* Walk through all entries and detect duplicates or mismatches
673        */  
674       foreach($this->dnsEntry['RECORDS'] as $name => $values){
676         /* Count record values, to detect duplicate entries for a specific record
677          */
678         if(!isset($checkArray[$values['type']][$values['value']])){
679           $checkArray[$values['type']][$values['value']] = 0;
680         }else{
681           $message[] = sprintf(_("Record type '%s' is duplicated!"),$values['type']);
682         }
684         /* Check if given entries in $onlyOnce are used more than once
685          */
686         if(isset($onlyOnce[$values['type']])){
687           $onlyOnce[$values['type']] ++;
688           if($onlyOnce[$values['type']] > 1){
689             $message[] = sprintf(_("Uniq record type '%s' is duplicated!"),$values['type']);
690           }
691         }
693         /* Skip txt record ... 
694          */
695         if($values['type'] == "tXTRecord") continue;
697         /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress 
698          */
699         if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)){
700           #TODO: Where's the problem here?
701           $message[]=sprintf(_("The IP address '%s' will be added as 'A Record', this will be done automatically, please remove the record."), 
702                $this->ipHostNumber);
703         }
705         /* only lower-case is allowed in record entries ... 
706          */
707         if($values['value'] != strtolower($values['value'])){
708           #TODO: What's in values['value']? Something for a propper message?
709           $message[] = sprintf(_("Only lowercase records are allowed, please check your '%ss'."),$values['type']);
710         }
711       }
712     }
713     return ($message);
714   }
717   /* Save to LDAP */
718   function save()
719   {
720     $ldap= $this->config->get_ldap_link();
721   
722     $dn = $this->parent->dn;
723  
724     /*******************/ 
725     /* IP-MAC HANDLING */
726     /*******************/ 
728     /* $dn was posted as parameter */
729     $this->dn = $dn;
730     
731     /* Save DNS setting & ip/Mac*/
732     plugin::save();
734     /* Add all additional ipHostNumbers now 
735      */
736     if(!empty($this->ipHostNumber)){
737       $this->attrs['ipHostNumber'] = array($this->ipHostNumber);
738     }
739     foreach($this->additionalHostNumbers as $value){
740       $this->attrs['ipHostNumber'][] = $value;
741     }
743     /* Do not add the objectClass ipHost if no ip address is given */
744     if(!isset($this->attrs['ipHostNumber'])){
745       $this->attrs['objectClass'] = array_remove_entries(array("ipHost"),$this->attrs['objectClass']);
746     }
748     /* Write back to ldap */
749     $ldap->cd($this->dn);
750     $this->cleanup();
751     $ldap->modify ($this->attrs); 
753     /****************/ 
754     /* DHCP HANDLING */
755     /****************/ 
756   
757     /* New entry */
758     if($this->dhcpEnabled && $this->acl_is_writeable("dhcpSetup")) {
760       if(count($this->dhcpHostEntry) == 0){
761         $this->dialog = new dhcpHost($this->parent,$this->dhcpParentNode,TRUE);
762         $this->dialog->cn = $this->cn;
763         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
764         if(!empty($this->ipHostNumber)){
765           $this->dialog->statements->set('fixed-address', $this->ipHostNumber);
766         }
767         $this->dialog->execute();
768         $this->dialog->save_object(); 
769         $this->dhcpHostEntry = $this->dialog->save();
770         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
771           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
772         }
773       }else{
775         // Updated Host-Name entry 
776         foreach($this->dhcpHostEntry['dhcpOption'] as $key => $entry){
777           if(preg_match("/^host-name/", $entry)){
778             $this->dhcpHostEntry['dhcpOption'][$key] = "host-name ".$this->cn;
779             break;
780           }
781         }
782       }
784       /* Write mac address to dhcp settings */
785       if($this->dhcp_is_Account){
786         if(!isset($this->dhcpHostEntry['dhcpHWAddress'][0]) || 
787             !preg_match("/ethernet ".$this->macAddress."/",$this->dhcpHostEntry['dhcpHWAddress'][0])){
788           $this->dhcpHostEntry['dhcpHWAddress'] = array("ethernet ".$this->macAddress);
789           $this->dhcpHostEntry['MODIFIED'] = TRUE;
790         }
791       }
793       /* Updated IP host number */
794       if($this->dhcp_is_Account && $this->dhcpHostEntry['dhcpStatements']){
795         foreach($this->dhcpHostEntry['dhcpStatements'] as $id => $value){
796           if(preg_match("/^fixed-address/",$value)){
797             $this->dhcpHostEntry['dhcpStatements'][$id] = "fixed-address ".$this->ipHostNumber; 
798             $this->dhcpHostEntry['MODIFIED'] = TRUE;
799           }
800         }
801       }
803       /* Unset dhcpStatements if this attribute is empty  */
804       if(isset($this->dhcpHostEntry['dhcpStatements']) && 
805           ($this->dhcpHostEntry['dhcpStatements'] == "" || count($this->dhcpHostEntry['dhcpStatements']) == 0) ){
806         unset($this->dhcpHostEntry['dhcpStatements']);
807       }
809       /* DHCP removed */
810       if($this->initial_dhcp_is_Account && !$this->dhcp_is_Account){
811         $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
812         if (!$ldap->success()){
813           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_DEL, get_class()));
814         }
816         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
817         $tmp->handle_post_events("remove");
818       }
820       /* DHCP Added */
821       if(!$this->initial_dhcp_is_Account && $this->dhcp_is_Account){
822         $attrs = $this->dhcpHostEntry;
823         unset($attrs['MODIFIED']);
824         unset($attrs['dn']);
825         $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
826         $res = $ldap->add($attrs);
828         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
829         $tmp->handle_post_events("add");
831         if (!$ldap->success()){
832           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), "cn=".$this->cn.",".$this->dhcpParentNode, LDAP_ADD, get_class()));
833         }
834       }
836       /* DHCP still activated */
837       if($this->initial_dhcp_is_Account && $this->dhcp_is_Account){
839         /* DHCP node changed */
840         if(($this->initial_dhcpParentNode != $this->dhcpParentNode) || 
841            ($this->cn != $this->OrigCn)){
842           $attrs = $this->dhcpHostEntry;
843           $attrs[$this->namingAttr] = $this->cn;
844           unset($attrs['dn']);
845           unset($attrs['MODIFIED']);
846           $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
847           $res = $ldap->add($attrs);
849           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
850           $tmp->handle_post_events("modify");
852           if (!$ldap->success()){
853             msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), "cn=".$this->cn.",".$this->dhcpParentNode, LDAP_ADD, get_class()));
854           }
855           if($res){
856             $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
857             if (!$ldap->success()){
858               msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_DEL, get_class()));
859             }
860           }
861         }
862          
863         /* SAME node but modified */ 
864         if(isset($this->dhcpHostEntry['MODIFIED']) && $this->dhcpHostEntry['MODIFIED'] == 1  && 
865             $this->initial_dhcpParentNode == $this->dhcpParentNode){
866           $attrs = $this->dhcpHostEntry;
867           unset($attrs['dn']);
868           unset($attrs['MODIFIED']);
869           $ldap->cd($this->dhcpHostEntry['dn']);
870           $ldap->modify($attrs);
871           
872           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
873           $tmp->handle_post_events("modify");
875           if (!$ldap->success()){
876             msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_MOD, get_class()));
877           }
878         }    
879       }
880     }
881     $this->dialog = FALSE; 
883     /****************/ 
884     /* DNS HANDLING */
885     /****************/ 
887     /* If isn't DNS account but initially was DNS account 
888        remove all DNS entries 
889      */ 
890     if((!$this->DNSenabled) || ((!$this->DNS_is_account)&&(!$this->initially_was_account))){
891       return;
892     }elseif($this->acl_is_writeable("dnsSetup")){
894       /* Add ipHostNumber to aRecords
895        */
896       $backup_dnsEntry = $this->dnsEntry;
897       if(!empty($this->ipHostNumber)){
898         $this->dnsEntry['RECORDS'][] = array("type"=>"aRecord","value"=>$this->ipHostNumber);
899         $ptr = $this->get_pTRRecord();
900         if(!empty($ptr)){
901           $this->dnsEntry['RECORDS'][] = array("type"=>"pTRRecord","value"=>$ptr);
902         } 
903       }
905       /* Create diff and follow instructions 
906        * If Account was disabled, remove account by setting exists to false
907        */
908       if((!$this->DNS_is_account)&&($this->initially_was_account)){  
909         $this->dnsEntry['exists'] = false;
910         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
911       }else{
912         $this->dnsEntry['exists'] = $this->DNS_is_account;
913         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
914       }   
915     
916       /* Update SOA record if needed
917        */
918       $this->updateSOARecord();
920       /* move follwoing entries 
921        */
922       foreach($tmp['move'] as $src => $dst){
923         $this->recursive_move($src,$dst);
924       }
926       /* Delete dns */
927       foreach($tmp['del'] as $dn => $del){
928         $ldap->cd($dn);
929         $ldap->rmdir_recursive($dn);
930         new log("modify","unknown/".get_class($this),$dn,array("*"),$ldap->get_error());
931       }
933       /* Add || Update new DNS entries 
934        */
935       foreach($tmp['add'] as $dn => $attrs){
936         $ldap->cd($dn);
937         $ldap->cat($dn, array('dn'));
938         if(count($ldap->fetch())){
939           $ldap->cd($dn);
940           $ldap->modify ($attrs); 
941         }else{
942           $ldap->cd($dn);
943           $ldap->add($attrs);
944         }
945         new log("modify","unknown/".get_class($this),$dn,array_keys($attrs),$ldap->get_error());
946       }
949       /* Display errors 
950        */
951       if (!$ldap->success()){
952         msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, 0, get_class()));
953       }
955       $tmp2 = new servdns($this->config,$this->dn);
956       $tmp2->handle_post_events("modify");
958       $this->dnsEntry =  $backup_dnsEntry;
959     }
960   }
962   /*  Create html table with all used record types
963    */
964   function generateRecordsList()
965   {
966     $changeStateForRecords = "";
967     $str = "<table summary='' width='100%'>";
968     foreach($this->dnsEntry['RECORDS'] as $key => $entry){
970         $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
971         $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
972         $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
974         $str.=" <tr>".
975           "   <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
976           "   <td><input type='text' value=\"".htmlentities($entry['value'])."\" name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
977           "   <td><input type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
978           "</tr>";
979     }
981     $str.= "  <tr>".
982            "    <td colspan=2 width='50%'></td><td>".
983            "      <input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord'>".
984            "    </td>".
985            "  </tr>".
986            "</table>";
987      $ret =  array("str" => $str, "changeStateForRecords" => $changeStateForRecords);
988   
989     return($ret);
990   }
993   /* Create a html select box which allows us to select different types of records 
994    */
995   function generateRecordListBox($selected,$name)
996   {
997     $str = "<select name='".$name."' id='".$name."'>";
998     foreach($this->RecordTypes as $type => $value){
999       $use = "";
1000       if($type == $selected){
1001         $use = " selected ";
1002       }
1003       $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
1004     }
1005     $str.="</select>";
1006     return($str); 
1007   }
1010   /* Return plugin informations for acl handling  */ 
1011   static function plInfo()
1012   {
1013     $tmp =  array(
1014         "plShortName"   => _("DNS"),
1015         "plDescription" => _("DNS settings"),
1016         "plSelfModify"  => FALSE,
1017         "plDepends"     => array(),
1018         "plPriority"    => 5,
1019         "plSection"     => array("administration"),
1020         "plCategory"    => array("workstation","terminal","phone","server","component","printer","winworkstation"),
1022         "plProvidedAcls"=> array(
1023           "ipHostNumber"  => _("IP address"),
1024           "macAddress"    => _("MAC address"))
1025         );
1027     /* Hide all dns/dhcp configurations if not available
1028      */
1029     if(class_available("servdns")){
1030       $tmp['plProvidedAcls']["dnsSetup"]    = _("DNS configuration");
1031     }
1032     if(class_available("servdhcp")){
1033       $tmp['plProvidedAcls']["dhcpSetup"]   = _("DHCP configuration");
1034     }
1035     return($tmp);
1036   }
1038   
1039   function get_dhcp_host_entry()
1040   {
1041     $attrs = array();
1042     $dn = $this->get_dhcp_host_entry_dn();
1043     if($dn){
1044       $ldap = $this->config->get_ldap_link();
1045       $ldap->cd($this->config->current['BASE']);
1046       $ldap->cat($dn,array("*"));
1047       if($ldap->count()){
1048         $attrs = $ldap->fetch();
1049         foreach($attrs as $key => $value){
1050           if(is_numeric($key) || ($key == "count")){
1051             unset($attrs[$key]);
1052           }
1053           if(is_array($value) && isset($value['count'])){
1054             unset($attrs[$key]['count']);
1055           }
1056         }
1057       }
1058     }
1059     return($attrs);
1060   }
1063   function get_dhcp_host_entry_dn()
1064   {
1065     $ldap = $this->config->get_ldap_link();
1066     $ldap->cd($this->config->current['BASE']);
1067     $ldap->search ("(&(objectClass=dhcpHost)(cn=".$this->cn."))",array("uid","cn","dn"));
1069     if($ldap->count()){
1070       $attr = $ldap->fetch();
1071       return($attr['dn']);
1072     }else{
1073       return("");
1074     }
1075   }  
1078   function get_dhcp_parent_node()
1079   {
1080     return(preg_replace("/^cn=".preg_quote($this->cn, '/').",/","",$this->get_dhcp_host_entry_dn()));
1081   }
1084   function get_dhcp_parent_nodes()
1085   {
1086     $ldap = $this->config->get_ldap_link();
1087     $ldap->cd($this->config->current['BASE']);
1088     $ldap->search("(objectClass=dhcpService)",array("dhcpPrimaryDN"));
1089     
1090     $dhcp_dns = array();
1091     while($attr = $ldap->fetch()){
1092       $dhcp_dns[$attr['dn']] = $attr['dhcpPrimaryDN'][0];
1093     }
1094  
1095     foreach($dhcp_dns as $key => $pri_dns){
1096       $ldap->cat($pri_dns,array("cn"));
1097       $tmp = $ldap->fetch();
1098       if(isset($tmp['cn'][0])){
1099         $dhcp_dns[$key] = $tmp['cn'][0];
1100       }else{
1101         unset($dhcp_dns[$key]);
1102       }
1103     }
1105     $tmp = $tmp2 = array();
1106     foreach($dhcp_dns as $dn => $cn){
1107       $ldap->cd($dn);
1108       $ldap->search("(|(objectClass=dhcpService)(objectClass=dhcpGroup)".
1109                     "(objectClass=dhcpSubnet)(objectClass=dhcpSharedNetwork))",array("cn"));
1110       while($attr = $ldap->fetch()){
1111         $tmp[$attr['dn']] = $attr['cn'][0];
1112       }
1113       $tmp2 = array_merge($tmp2,$this->create_tree($tmp,preg_replace("/^[^,]+,/i","",$dn),"(".$cn.")&nbsp;"));
1114     }
1115     return($tmp2);
1116   }
1118   
1119   /* this function returns the default ptr record entry */
1120   function get_pTRRecord()
1121   {
1122     if(!empty($this->ipHostNumber) && isset($this->dnsEntry['zoneName']) && !empty($this->dnsEntry['zoneName'])){
1123       $ldap = $this->config->get_ldap_link();
1124       $ldap->cat(DNS::getDNSZoneDN($this->config,$this->dnsEntry['zoneName']));
1125       $attrs = $ldap->fetch();
1126       $tmp = array_flip($this->Zones);
1127       $tmp = preg_replace("/^[^\/]*+\//","",$tmp[$this->dnsEntry['zoneName']]);
1128       $tmp = trim(preg_replace("/\.in-addr.arpa\.$/","",$tmp));
1129       $ptr = preg_replace("/^".preg_quote(DNS::FlipIp($tmp), '/')."\./","",$this->ipHostNumber);
1130       return($ptr);
1131     }else{
1132       return(FALSE);
1133     }
1134   }
1136   
1137   function generateRandomIP($net = "")
1138   {
1139     $str = $net;
1140     $cnt = 4;
1142     // first gather all IPs 
1143     $ldap = $this->config->get_ldap_link();
1144     $ocs = 
1145       "(objectClass=goFonHardware)".
1146       "(objectClass=goServer)".
1147       "(objectClass=GOhard)".
1148       "(objectClass=gotoTerminal)".
1149       "(objectClass=gotoWorkstation)".
1150       "(objectClass=gotoPrinter)".
1151       "(objectClass=ipHost)";
1152     $list = array();
1153     $ldap->search("(&(|{$ocs})(ipHostNumber=*))",array("ipHostNumber"));
1154     while($attrs = $ldap->fetch()){
1155       if (preg_match("/^$net\./", $attrs['ipHostNumber'][0])) {
1156         $list[] = $attrs['ipHostNumber'][0];
1157       }
1158     }
1160     // Set starting ip.
1161     $ip_data = preg_split("/\./",$net);
1162     for($i=0;$i<4;$i++){
1163       if(!isset($ip_data[$i])) $ip_data[$i] = 0;
1164     }
1166     // Search the next free and valid ip.
1167     while(in_array_strict(implode(".",$ip_data),$list) || $ip_data[3] <= 1){
1168       $ip_data[3] ++ ;
1169       if($ip_data[3] > 255){
1170         $ip_data[3] = 1 ;
1171         $ip_data[2] ++ ;
1172       }
1173       if($ip_data[2] > 255){
1174         $ip_data[2] = 1 ;
1175         $ip_data[1] ++ ;
1176       }
1177       if($ip_data[1] > 255){
1178         $ip_data[1] = 1 ;
1179         $ip_data[0] ++ ;
1180       }
1181       if($ip_data[0] > 255) break;
1182     }
1184     return(implode(".",$ip_data));
1185   }
1187   
1188   function create_tree($arr,$base,$current = "")
1189   {
1190     $ret = array();
1191     foreach($arr as $r => $name){
1192       $base_part = str_replace($base,"",$r);
1193       if(preg_match("/^[a-z]*=".preg_quote($name, '/')."(|,)$/i",$base_part)){
1194         $ret[$r] = $current.$name;
1195         $tmp = $this->create_tree($arr,$r,$current.".&nbsp;");
1196         foreach($tmp as $sub_key => $sub_name){
1197           $ret[$sub_key] = $sub_name;
1198         }
1199       } 
1200     }
1201     return($ret);
1202   }
1204   function force_dns()
1205   {
1206     if($this->DNSenabled){
1208       /* Only force DNS account, if we have at least on dns Zone */
1209       if(count($this->Zones)){
1210         $this->DNS_is_account  = TRUE;
1211         $this->hide_dns_check_box = TRUE;
1212       }
1213     }
1214   }
1216   function updateSOARecord()
1217   {
1218     $oldEntries = DNS::getDNSHostEntries($this->config,$this->OrigCn);
1219     $newEntries = $this->dnsEntry;
1220     if(array_differs($newEntries['RECORDS'],$oldEntries['RECORDS'])){
1221       DNS::touchDNSZone($this->config,$this->dnsEntry['zoneName']);
1222     }
1223   }
1226 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1227 ?>