plugins/admin/systems/class_servDNS.inc

   1 <?php
   2
   3 class servdns 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");
   9
  10   /* attribute list for save action */
  11   var $ignore_account   = FALSE;
  12   var $attributes       = array();
  13   var $objectclasses    = array("whatever");
  14
  15   var $RecordTypes      = array();
  16
  17   var $Zones  = array();
  18   var $dialog = NULL;
  19
  20   var $usedDNS    = array();
  21
  22   var $orig_dn = "";
  23
  24   var $DNSinitially_was_account;
  25
  26
  27   function servdns ($config, $dn= NULL)
  28   {
  29     plugin::plugin ($config, $dn);
  30
  31     $this->orig_dn = $dn;
  32
  33     /* All types with required attrs */
  34     $this->RecordTypes['aRecord']       = "aRecord";           // ok
  35     $this->RecordTypes['mDRecord']      = "mDRecord";          // ok
  36     $this->RecordTypes['mXRecord']      = "mXRecord";          // ok
  37     $this->RecordTypes['nSRecord']      = "nSRecord";          // ok
  38     $this->RecordTypes['pTRRecord']     = "relativeDomainName";// ok
  39     $this->RecordTypes['hInfoRecord']   = "hInfoRecord";       // ok
  40     $this->RecordTypes['mInfoRecord']   = "mInfoRecord";       // ok
  41     $this->RecordTypes['tXTRecord']     = "tXTRecord";         // ok
  42     $this->RecordTypes['aFSDBRecord']   = "aFSDBRecord";       // ok
  43     $this->RecordTypes['SigRecord']     = "SigRecord";         // ok
  44     $this->RecordTypes['KeyRecord']     = "KeyRecord";         // ok
  45     $this->RecordTypes['aAAARecord']    = "aAAARecord";        // ok
  46     $this->RecordTypes['LocRecord']     = "LocRecord";         // ok
  47     $this->RecordTypes['nXTRecord']     = "nXTRecord";         // ok
  48     $this->RecordTypes['sRVRecord']     = "sRVRecord";         // ok
  49     $this->RecordTypes['nAPTRRecord']   = "nAPTRRecord";       // ok
  50     $this->RecordTypes['kXRecord']      = "kXRecord";          // ok
  51     $this->RecordTypes['certRecord']    = "certRecord";        // ok
  52     $this->RecordTypes['a6Record']      = "a6Record";          // ok
  53     $this->RecordTypes['dSRecord']      = "dSRecord";          // ok
  54     $this->RecordTypes['sSHFPRecord']   = "sSHFPRecord";       // ok
  55     $this->RecordTypes['rRSIGRecord']   = "rRSIGRecord";       // ok
  56     $this->RecordTypes['nSECRecord']    = "nSECRecord";        // ok
  57
  58     $types = array();
  59
  60     /* Get all records */
  61     $ldap = $this->config->get_ldap_link();
  62     $ldap->cd($this->dn);
  63     $ldap->search("(&(objectClass=dNSZone)(relativeDomainName=@))",array("*"));
  64
  65     while($attrs = $ldap->fetch()){
  66       /* If relative domainname
  67        * Try to read dnsclass / TTl / zone
  68        */
  69       $this->usedDNS[$attrs['dn']] = $attrs['dn'];
  70       if((isset($attrs['tXTRecord'][0]))&&(preg_match("/zoneName\=/",$attrs['tXTRecord'][0]))){
  71         $zoneName= preg_replace("/zoneName\=/","",$attrs['tXTRecord'][0]);
  72         $z = preg_replace("/\.in\-addr\.arpa/","",$attrs['zoneName'][0]);
  73
  74         $z = $this->FlipIp($z);
  75
  76         $types[$zoneName]['ReverseZone']  = $z;
  77         $types[$zoneName]['ReverseDN']    = $attrs['dn'];
  78       }else{
  79
  80         /* Generate SOA entry */
  81         if(isset($attrs['sOARecord'][0])){
  82           $tmp = split("\ ",$attrs['sOARecord'][0]) ;
  83           $tmp2 = array();
  84           $ar = array("0"=>"sOAprimary","1"=>"sOAmail","2"=>"sOAserial","3"=>"sOArefresh","4"=>"sOAretry","5"=>"sOAexpire","6"=>"sOAttl");
  85
  86           /* Assign soa vars */
  87           foreach($ar as $key => $name){
  88             if(isset($tmp[$key])){
  89               $types[$attrs['zoneName'][0]][$name] = $tmp[$key];
  90             }else{
  91               $types[$attrs['zoneName'][0]][$name] = "";
  92             }
  93           }
  94         }
  95
  96         /* Set dns Class*/
  97         if(isset($attrs['dNSClass'][0])){
  98           $types[$attrs['zoneName'][0]]['dNSClass'] = $attrs['dNSClass'][0];
  99         }
 100
 101         /* Set zone Name */
 102         if(isset($attrs['zoneName'][0])){
 103           $types[$attrs['zoneName'][0]]['zoneName'] = $attrs['zoneName'][0];
 104         }
 105
 106         /* Create list with all used records */
 107         foreach($this->RecordTypes as $name => $value){
 108
 109           /* If there is a record attribute  */
 110           if(isset($attrs[$name])){
 111
 112             /* get all entries */
 113             for($i = 0 ; $i < $attrs[$value]['count']; $i ++){
 114               $types[$attrs['zoneName'][0]]['Records'][] =array("type"      =>$name,
 115                   "inittype"  =>$name,
 116                   "value"     =>$attrs[$value][$i],
 117                   "status"    =>"edited",
 118                   "dn"        =>$attrs['dn']);
 119             }
 120           }
 121         }
 122       }
 123     }
 124
 125     /* If there is at least one entry in this -> types, we have DNS enabled */
 126     $this->Zones = $types;
 127     if(count($this->Zones) == 0){
 128       $this->is_account = false;
 129     }else{
 130       $this->is_account = true;
 131     }
 132
 133     /* Store initally account settings */
 134     $this->DNSinitially_was_account = $this->is_account;
 135   }
 136
 137
 138   /* this is used to flip the ip address for example
 139       12.3.45  ->  54.3.12
 140      Because some entries (like zones) are store like that 54.3.12.in-addr.arpa
 141       but we want to display 12.3.45.
 142   */
 143   function FlipIp($ip)
 144   {
 145     $tmp = array_reverse(split("\.",$ip));
 146     $new = "";
 147     foreach($tmp as $section){
 148       $new .= $section.".";
 149     }
 150     return(preg_replace("/.$/","",$new));
 151   }
 152
 153   function execute()
 154   {
 155     /* Call parent execute */
 156     plugin::execute();
 157
 158     /* Fill templating stuff */
 159     $smarty= get_smarty();
 160     $display= "";
 161
 162     /* Do we need to flip is_account state? */
 163     if (isset($_POST['modify_state'])){
 164       $this->is_account= !$this->is_account;
 165     }
 166
 167     /* Show tab dialog headers */
 168     if ($this->is_account){
 169       $display= $this->show_header(_("Remove DNS service"),
 170           _("This server has DNS features enabled. You can disable them by clicking below."));
 171     } else {
 172       $display= $this->show_header(_("Add DNS service"),
 173           _("This server has DNS features disabled. You can enable them by clicking below."));
 174       return ($display);
 175     }
 176
 177     /* Edited or Added zone hould be saved saved */
 178     if(isset($_POST['SaveZoneChanges'])){
 179       $this->dialog->save_object();
 180
 181       /* Check if noting went wrong */
 182       if(count($this->dialog->check())){
 183         foreach($this->dialog->check() as $msgs){
 184           print_red($msgs);
 185         }
 186       }else{
 187
 188         /* add new/edited zone */
 189         $ret = $this->dialog->save();
 190         unset($this->Zones[$this->dialog->InitiallyZoneName]);
 191         $this->Zones[$ret['zoneName']]                  = $ret;
 192         $this->dialog = NULL;
 193       }
 194     }
 195
 196     /* Cancel zone edit / new */
 197     if(isset($_POST['CancelZoneChanges'])){
 198       $this->dialog = NULL;
 199     }
 200
 201     /* Add empty new zone */
 202     if(isset($_POST['AddZone'])){
 203       $this->dialog = new servdnseditZone($this->config,$this->dn,$this->RecordTypes);
 204     }
 205
 206     /* Check for edit zone request */
 207     $once = false;
 208     foreach( $_POST as $name => $value){
 209
 210       /* check all post for edit request */
 211       if(preg_match("/^editZone_/",$name)&&!$once){
 212         $once =true;
 213         $tmp = preg_replace("/^editZone_/","",$name);
 214         $tmp = base64_decode(preg_replace("/_.*$/","",$tmp));
 215         $this->dialog= new servdnseditZone($this->config,$this->dn,$this->RecordTypes,$this->Zones[$tmp]);
 216       }
 217
 218       /* check posts for delete zone */
 219       if(preg_match("/^delZone_/",$name)&&!$once){
 220
 221
 222         $once =true;
 223         $tmp = preg_replace("/^delZone_/","",$name);
 224         $tmp = base64_decode(preg_replace("/_.*$/","",$tmp));
 225
 226         $zones =  $this->getUsedZoneNames();
 227         $rev = $this->Zones[$tmp]['ReverseZone'];
 228         $res = array_merge(($zones[$tmp]),($zones[$rev.".in-addr.arpa"]));
 229
 230         if(count($res)){
 231           $i = 2;
 232           $str ="";
 233           foreach($res as $dn){
 234             if($i > 0 ){
 235               $i --;
 236               $str.=$dn." ";
 237             }
 238           }
 239           if(count($res)> 2) $str .=" ... ";
 240           print_red(sprintf(_("Can't delete the selected zone, because it is still in use by these entry/entries '%s'"),trim($str)));
 241         }else{
 242           unset($this->Zones[$tmp]);
 243         }
 244       }
 245     }
 246
 247     /* Show dialog */
 248     if($this->dialog!= NULL){
 249       $this->dialog->save_object();
 250       $this->dialog->parent = $this;
 251       return($this->dialog->execute());
 252     }
 253
 254     /* Create Listbox with existing Zones */
 255     $ZoneList = new divSelectBox("dNSZones");
 256     $ZoneList -> SetHeight(254);
 257
 258     /* Add entries to divlist*/
 259     $editImg = "<input type='image' src='images/edit.png' name='editZone_%s'>
 260       <input type='image' src='images/edittrash.png' name='delZone_%s'>";
 261     foreach($this->Zones as $zone => $values ){
 262       $ZoneList->AddEntry(array(
 263             array("string" => $zone),
 264             array("string" => _("Reverse zone")." : ".$values['ReverseZone']),
 265             array("string" => _("TTL")." : ".$values['sOAttl']),
 266             array("string" => _("Class")." : ".$values['dNSClass']),
 267             array("string" =>str_replace("%s",base64_encode($zone),$editImg))
 268             ));
 269     }
 270
 271     /* Display tempalte */
 272     $smarty->assign("ZoneList",$ZoneList->DrawList());
 273     $display.= $smarty->fetch(get_template_path('servdns.tpl', TRUE));
 274     return($display);
 275   }
 276
 277
 278   /* This funtion returns all used Zonenames */
 279   function getUsedZoneNames()
 280   {
 281     $ret = array();
 282     $ldap = $this->config->get_ldap_link();
 283     $ldap->cd($this->config->current['BASE']);
 284     $ldap->search("(&(objectClass=dNSZone)(!(relativeDomainName=@))(zoneName=*))",array("zoneName","relativeDomainName","tXTRecord"));
 285     while($attr = $ldap->fetch()){
 286       if(preg_match("/in-addr\.arpa/",$attr['zoneName'][0])){
 287         $ret[$attr['zoneName'][0]][] = $attr['dn'];
 288       }else{
 289         $ret[$attr['zoneName'][0]][] = $attr['dn'];
 290       }
 291     }
 292     return($ret);
 293   }
 294
 295
 296   /* Remove dns service */
 297   function remove_from_parent()
 298   {
 299     if(!$this->DNSinitially_was_account){
 300       return;
 301     }
 302
 303     $ldap = $this->config->get_ldap_link();
 304     $ldap->cd($this->config->current['BASE']);
 305     foreach($this->usedDNS as $dn){
 306       $ldap->cd($dn);
 307       $ldap->rmdir_recursive($dn);
 308     }
 309
 310     $ldap = $this->config->get_ldap_link();
 311     $ldap->cd($this->orig_dn);
 312     $ldap->search("(&(objectClass=dNSZone)(zoneName=*)(relativeDomainName=@))",array("relativeDomainName","zoneName"));
 313     while($attr = $ldap->fetch()){
 314       $ldap->cd($attr['dn']);
 315       $ldap->rmDir($attr['dn']);
 316     }
 317
 318
 319     show_ldap_error($ldap->get_error());
 320   }
 321
 322
 323   /* Save data to object */
 324   function save_object()
 325   {
 326   }
 327
 328
 329   /* Check supplied data */
 330   function check()
 331   {
 332     $message= array();
 333     return ($message);
 334   }
 335
 336
 337   /* Save to LDAP */
 338   function save()
 339   {
 340     /* Ldap conenction / var initialization */
 341     $ldap = $this->config->get_ldap_link();
 342     $ldap->cd($this->config->current['BASE']);
 343     $actions =array("update"=>array(),"add"=>array(),"delete"=>array());
 344
 345     /* Generate entries for all zones, and check if they must be updated deleted added */
 346     foreach($this->Zones as $zone){
 347
 348       /* Get ldap syntax */
 349       $tmp = $this->generate_LDAP_entries($zone);
 350
 351       /* Check if dn is new, or if entry was edited */
 352       foreach($tmp as $key => $values){
 353         if(isset($this->usedDNS[$key])){
 354           $actions['update'][$key]=$values;
 355           unset($this->usedDNS[$key]);
 356         }else{
 357           $actions['add'][$key] = $values;
 358         }
 359       }
 360     }
 361
 362     /* Check which dns are not used anymore ...*/
 363     foreach($this->usedDNS as $key => $values){
 364       $actions['delete'][$key] = $values;
 365     }
 366
 367     /* Remove deleted zones */
 368     foreach($actions['delete'] as $dn => $attrs){
 369       $ldap->cd($dn);
 370       $ldap->rmdir_recursive($dn);
 371     }
 372
 373     /* Add new zones */
 374     foreach($actions['add'] as $dn => $attrs){
 375       $ldap->cd($this->config->current['BASE']);
 376       //      $ldap->create_missing_trees($dn);
 377       $ldap->cd($dn);
 378       $ldap->add($attrs);
 379     }
 380
 381     /* Update existing entries */
 382     foreach($actions['update'] as $dn => $attrs){
 383       $ldap->cd($dn);
 384       //$this->cleanup();
 385       $ldap->modify ($attrs);
 386
 387     }
 388     show_ldap_error($ldap->get_error());
 389   }
 390
 391
 392   /* This function generates ldap friendly output
 393      of all changes for a single zone (reverse and forward)
 394    */
 395   function generate_LDAP_entries($zone)
 396   {
 397     $tmp = array();
 398     $tmp['objectClass']           = array("top","dNSZone");
 399     $tmp['dNSClass']              = "IN";//$zone['dNSClass'];
 400     $tmp['relativeDomainName']    = "@";//$zone['relativeDomainName'];
 401
 402     $str = "";
 403     foreach(array("sOAprimary","sOAmail","sOAserial","sOArefresh","sOAretry","sOAexpire","sOAttl") as $name){
 404       $str .= $zone[$name]." ";
 405     }
 406     $tmp['sOARecord'] = $str;
 407
 408
 409     /* Generate Record entries  */
 410     $arr = array("aRecord","SigRecord","KeyRecord","aAAARecord","nSRecord","iaFSDBRecord","mInfoRecord","hInfoRecord","mXRecord","mDRecord","tXTRecord",
 411         "LocRecord","nXTRecord","sRVRecord","nAPTRRecord","kXRecord","certRecord","a6Record","dSRecord","sSHFPRecord","rRSIGRecord","nSECRecord");
 412     $aRecords = array();
 413     foreach($arr as $ar){
 414       if((isset($zone['Records']))&&(is_array($zone['Records']))){
 415         foreach($zone['Records'] as $type){
 416           if(($type['type'] == $ar)&&($type['status']!="deleted")){
 417             $tmp[$ar][] = $type['value'];
 418           }
 419         }
 420       }
 421     }
 422     /* Check if there are records removed,
 423         if there are some removed records, the append an array
 424         to ensure that these record types are deleted
 425      */
 426     if((isset($zone['Records']))&&(is_array($zone['Records']))){
 427       foreach($zone['Records'] as $type){
 428         if((isset($type['inittype']))&&($type['inittype']!="")){
 429           if($type['type'] != $type['inittype']){
 430             $tmp[$type['inittype']] = array();
 431           }
 432         }
 433       }
 434     }
 435
 436     /* generate forward entry */
 437     $dn = "zoneName=".$zone['zoneName'].",".$this->dn;
 438     $tmp2[$dn] = $tmp;
 439     $tmp2[$dn]['zoneName'] = $zone['zoneName'];
 440
 441     /* generate reverse entry */
 442     $dn = "zoneName=".$this->FlipIp($zone['ReverseZone']).".in-addr.arpa,".$this->dn;
 443     $tmp2[$dn] = $tmp;
 444     $tmp2[$dn]['tXTRecord'] ="zoneName=".$zone['zoneName'];
 445     $tmp2[$dn]['zoneName'] = $this->FlipIp($zone['ReverseZone']).".in-addr.arpa";
 446
 447     return($tmp2);
 448   }
 449
 450
 451
 452 }
 453
 454 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 455 ?>