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]][$name] = "";
  92             }
  93           }
  94         }
  95
  96         /* Set TTL value */
  97         if(isset($attrs['dNSTTL'][0])){
  98           $types[$attrs['zoneName'][0]]['dNSTTL'] = $attrs['dNSTTL'][0];
  99         }
 100
 101         /* Set dns Class*/
 102         if(isset($attrs['dNSClass'][0])){
 103           $types[$attrs['zoneName'][0]]['dNSClass'] = $attrs['dNSClass'][0];
 104         }
 105
 106         /* Set zone Name */
 107         if(isset($attrs['zoneName'][0])){
 108           $types[$attrs['zoneName'][0]]['zoneName'] = $attrs['zoneName'][0];
 109         }
 110
 111         /* Create list with all used records */
 112         foreach($this->RecordTypes as $name => $value){
 113
 114           /* If there is a record attribute  */
 115           if(isset($attrs[$name])){
 116
 117             $types[$attrs['zoneName'][0]]['Records']=array();
 118
 119             /* get all entries */
 120             for($i = 0 ; $i < $attrs[$value]['count']; $i ++){
 121               $types[$attrs['zoneName'][0]]['Records'][] =array("type"      =>$name,
 122                   "inittype"  =>$name,
 123                   "value"     =>$attrs[$value][$i],
 124                   "status"    =>"edited",
 125                   "dn"        =>$attrs['dn']);
 126             }
 127           }
 128         }
 129       }
 130     }
 131
 132     /* If there is at least one entry in this -> types, we have DNS enabled */
 133     $this->Zones = $types;
 134     if(count($this->Zones) == 0){
 135       $this->is_account = false;
 136     }else{
 137       $this->is_account = true;
 138     }
 139
 140     /* Store initally account settings */
 141     $this->DNSinitially_was_account = $this->is_account;
 142   }
 143
 144
 145   /* this is used to flip the ip address for example
 146       12.3.45  ->  54.3.12
 147      Because some entries (like zones) are store like that 54.3.12.in-addr.arpa
 148       but we want to display 12.3.45.
 149   */
 150   function FlipIp($ip)
 151   {
 152     $tmp = array_reverse(split("\.",$ip));
 153     $new = "";
 154     foreach($tmp as $section){
 155       $new .= $section.".";
 156     }
 157     return(preg_replace("/.$/","",$new));
 158   }
 159
 160   function execute()
 161   {
 162     /* Call parent execute */
 163     plugin::execute();
 164
 165     /* Fill templating stuff */
 166     $smarty= get_smarty();
 167     $display= "";
 168
 169     /* Do we need to flip is_account state? */
 170     if (isset($_POST['modify_state'])){
 171       $this->is_account= !$this->is_account;
 172     }
 173
 174     /* Show tab dialog headers */
 175     if ($this->is_account){
 176       $display= $this->show_header(_("Remove DNS service"),
 177           _("This server has DNS features enabled. You can disable them by clicking below."));
 178     } else {
 179       $display= $this->show_header(_("Add DNS service"),
 180           _("This server has DNS features disabled. You can enable them by clicking below."));
 181       return ($display);
 182     }
 183
 184     /* Edited or Added zone hould be saved saved */
 185     if(isset($_POST['SaveZoneChanges'])){
 186       $this->dialog->save_object();
 187
 188       /* Check if noting went wrong */
 189       if(count($this->dialog->check())){
 190         foreach($this->dialog->check() as $msgs){
 191           print_red($msgs);
 192         }
 193       }else{
 194
 195         /* add new/edited zone */
 196         $ret = $this->dialog->save();
 197         unset($this->Zones[$this->dialog->InitiallyZoneName]);
 198         $this->Zones[$ret['zoneName']]                  = $ret;
 199         $this->dialog = NULL;
 200       }
 201     }
 202
 203     /* Cancel zone edit / new */
 204     if(isset($_POST['CancelZoneChanges'])){
 205       $this->dialog = NULL;
 206     }
 207
 208     /* Add empty new zone */
 209     if(isset($_POST['AddZone'])){
 210       $this->dialog = new servdnseditZone($this->config,$this->dn,$this->RecordTypes);
 211     }
 212
 213     /* Check for edit zone request */
 214     $once = false;
 215     foreach( $_POST as $name => $value){
 216
 217       /* check all post for edit request */
 218       if(preg_match("/^editZone_/",$name)&&!$once){
 219         $once =true;
 220         $tmp = preg_replace("/^editZone_/","",$name);
 221         $tmp = base64_decode(preg_replace("/_.*$/","",$tmp));
 222         $this->dialog= new servdnseditZone($this->config,$this->dn,$this->RecordTypes,$this->Zones[$tmp]);
 223       }
 224
 225       /* check posts for delete zone */
 226       if(preg_match("/^delZone_/",$name)&&!$once){
 227
 228
 229         $once =true;
 230         $tmp = preg_replace("/^delZone_/","",$name);
 231         $tmp = base64_decode(preg_replace("/_.*$/","",$tmp));
 232
 233         $zones =  $this->getUsedZoneNames();
 234         $rev = $this->Zones[$tmp]['ReverseZone'];
 235         $res = array_merge(($zones[$tmp]),($zones[$rev.".in-addr.arpa"]));
 236
 237         if(count($res)){
 238           $i = 2;
 239           $str ="";
 240           foreach($res as $dn){
 241             if($i > 0 ){
 242               $i --;
 243               $str.=$dn." ";
 244             }
 245           }
 246           if(count($res)> 2) $str .=" ... ";
 247           print_red(sprintf(_("Can't delete the selected zone, because it is still in use by these entry/entries '%s'"),trim($str)));
 248         }else{
 249           unset($this->Zones[$tmp]);
 250         }
 251       }
 252     }
 253
 254     /* Show dialog */
 255     if($this->dialog!= NULL){
 256       $this->dialog->save_object();
 257       $this->dialog->parent = $this;
 258       return($this->dialog->execute());
 259     }
 260
 261     /* Create Listbox with existing Zones */
 262     $ZoneList = new divSelectBox("dNSZones");
 263     $ZoneList -> SetHeight(254);
 264
 265     /* Add entries to divlist*/
 266     $editImg = "<input type='image' src='images/edit.png' name='editZone_%s'>
 267       <input type='image' src='images/edittrash.png' name='delZone_%s'>";
 268     foreach($this->Zones as $zone => $values ){
 269       $ZoneList->AddEntry(array(
 270             array("string" => $zone),
 271             array("string" => _("Reverse zone")." : ".$values['ReverseZone']),
 272             array("string" => _("TTL")." : ".$values['dNSTTL']),
 273             array("string" => _("Class")." : ".$values['dNSClass']),
 274             array("string" =>str_replace("%s",base64_encode($zone),$editImg))
 275             ));
 276     }
 277
 278     /* Display tempalte */
 279     $smarty->assign("ZoneList",$ZoneList->DrawList());
 280     $display.= $smarty->fetch(get_template_path('servdns.tpl', TRUE));
 281     return($display);
 282   }
 283
 284
 285   /* This funtion returns all used Zonenames */
 286   function getUsedZoneNames()
 287   {
 288     $ret = array();
 289     $ldap = $this->config->get_ldap_link();
 290     $ldap->cd($this->config->current['BASE']);
 291     $ldap->search("(&(objectClass=dNSZone)(!(relativeDomainName=@))(zoneName=*))",array("zoneName","relativeDomainName","tXTRecord"));
 292     while($attr = $ldap->fetch()){
 293       if(preg_match("/in-addr\.arpa/",$attr['zoneName'][0])){
 294         $ret[$attr['zoneName'][0]][] = $attr['dn'];
 295       }else{
 296         $ret[$attr['zoneName'][0]][] = $attr['dn'];
 297       }
 298     }
 299     return($ret);
 300   }
 301
 302
 303   /* Remove dns service */
 304   function remove_from_parent()
 305   {
 306     if(!$this->DNSinitially_was_account){
 307       return;
 308     }
 309
 310     $ldap = $this->config->get_ldap_link();
 311     $ldap->cd($this->config->current['BASE']);
 312     foreach($this->usedDNS as $dn){
 313       $ldap->cd($dn);
 314       $ldap->rmdir_recursive($dn);
 315     }
 316
 317     $ldap = $this->config->get_ldap_link();
 318     $ldap->cd($this->orig_dn);
 319     $ldap->search("(&(objectClass=dNSZone)(zoneName=*)(relativeDomainName=@))",array("relativeDomainName","zoneName"));
 320     while($attr = $ldap->fetch()){
 321       $ldap->cd($attr['dn']);
 322       $ldap->rmDir($attr['dn']);
 323     }
 324
 325
 326     show_ldap_error($ldap->get_error());
 327   }
 328
 329
 330   /* Save data to object */
 331   function save_object()
 332   {
 333   }
 334
 335
 336   /* Check supplied data */
 337   function check()
 338   {
 339     $message= array();
 340     return ($message);
 341   }
 342
 343
 344   /* Save to LDAP */
 345   function save()
 346   {
 347     /* Ldap conenction / var initialization */
 348     $ldap = $this->config->get_ldap_link();
 349     $ldap->cd($this->config->current['BASE']);
 350     $actions =array("update"=>array(),"add"=>array(),"delete"=>array());
 351
 352     /* Generate entries for all zones, and check if they must be updated deleted added */
 353     foreach($this->Zones as $zone){
 354
 355       /* Get ldap syntax */
 356       $tmp = $this->generate_LDAP_entries($zone);
 357
 358       /* Check if dn is new, or if entry was edited */
 359       foreach($tmp as $key => $values){
 360         if(isset($this->usedDNS[$key])){
 361           $actions['update'][$key]=$values;
 362           unset($this->usedDNS[$key]);
 363         }else{
 364           $actions['add'][$key] = $values;
 365         }
 366       }
 367     }
 368
 369     /* Check which dns are not used anymore ...*/
 370     foreach($this->usedDNS as $key => $values){
 371       $actions['delete'][$key] = $values;
 372     }
 373
 374     /* Remove deleted zones */
 375     foreach($actions['delete'] as $dn => $attrs){
 376       $ldap->cd($dn);
 377       $ldap->rmdir_recursive($dn);
 378     }
 379
 380     /* Add new zones */
 381     foreach($actions['add'] as $dn => $attrs){
 382       $ldap->cd($this->config->current['BASE']);
 383       //      $ldap->create_missing_trees($dn);
 384       $ldap->cd($dn);
 385       $ldap->add($attrs);
 386     }
 387
 388     /* Update existing entries */
 389     foreach($actions['update'] as $dn => $attrs){
 390       $ldap->cd($dn);
 391       $this->cleanup();
 392 $ldap->modify ($attrs);
 393
 394     }
 395     show_ldap_error($ldap->get_error());
 396   }
 397
 398
 399   /* This function generates ldap friendly output
 400      of all changes for a single zone (reverse and forward)
 401    */
 402   function generate_LDAP_entries($zone)
 403   {
 404     $tmp = array();
 405     $tmp['objectClass']           = array("top","dNSZone");
 406     $tmp['dNSTTL']                = $zone['dNSTTL'];
 407     $tmp['dNSClass']              = $zone['dNSClass'];
 408     $tmp['relativeDomainName']    = "@";//$zone['relativeDomainName'];
 409
 410     $str = "";
 411     foreach(array("sOAprimary","sOAmail","sOAserial","sOArefresh","sOAretry","sOAexpire","sOAttl") as $name){
 412       $str .= $zone[$name]." ";
 413     }
 414     $tmp['sOARecord'] = $str;
 415
 416
 417     /* Generate Record entries  */
 418     $arr = array("SigRecord","KeyRecord","aAAARecord","nSRecord","iaFSDBRecord","mInfoRecord","hInfoRecord","mXRecord","mDRecord","tXTRecord",
 419         "LocRecord","nXTRecord","sRVRecord","nAPTRRecord","kXRecord","certRecord","a6Record","dSRecord","sSHFPRecord","rRSIGRecord","nSECRecord");
 420     $aRecords = array();
 421     foreach($arr as $ar){
 422       if((isset($zone['Records']))&&(is_array($zone['Records']))){
 423         foreach($zone['Records'] as $type){
 424           if(($type['type'] == $ar)&&($type['status']!="deleted")){
 425             $tmp[$ar][] = $type['value'];
 426           }
 427         }
 428       }
 429     }
 430
 431     /* Check if there are records removed,
 432         if there are some removed records, the append an array
 433         to ensure that these record types are deleted
 434      */
 435     if((isset($zone['Records']))&&(is_array($zone['Records']))){
 436       foreach($zone['Records'] as $type){
 437         if((isset($type['inittype']))&&($type['inittype']!="")){
 438           if($type['type'] != $type['inittype']){
 439             $tmp[$type['inittype']] = array();
 440           }
 441         }
 442       }
 443     }
 444
 445     /* generate forward entry */
 446     $dn = "zoneName=".$zone['zoneName'].",".$this->dn;
 447     $tmp2[$dn] = $tmp;
 448     $tmp2[$dn]['zoneName'] = $zone['zoneName'];
 449
 450     /* generate reverse entry */
 451     $dn = "zoneName=".$this->FlipIp($zone['ReverseZone']).".in-addr.arpa,".$this->dn;
 452     $tmp2[$dn] = $tmp;
 453     $tmp2[$dn]['tXTRecord'] ="zoneName=".$zone['zoneName'];
 454     $tmp2[$dn]['zoneName'] = $this->FlipIp($zone['ReverseZone']).".in-addr.arpa";
 455
 456     return($tmp2);
 457   }
 458
 459
 460
 461 }
 462
 463 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 464 ?>