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