gosa-plugins/dns/admin/systems/services/dns/class_servDNS.inc

   1 <?php
   2
   3 class servdns extends goService
   4 {
   5   /* attribute list for save action */
   6   var $ignore_account   = FALSE;
   7   var $attributes       = array();
   8   var $objectclasses    = array("whatever");
   9
  10   var $RecordTypes      = array();
  11   var $Zones            = array();
  12
  13   var $orig_dn          = "";
  14
  15   var $initially_was_account;
  16
  17   /* ServerService tab vars */
  18   var $conflicts        = array("servdns");
  19   var $DisplayName      = "";
  20   var $StatusFlag       = "";
  21   var $view_logged      = FALSE;
  22
  23   var $dns_server_list   = array("ENTRIES"=> array(),"FOR_LIST"=> array());
  24   var $take_over_id       = -1;
  25
  26
  27   function servdns (&$config, $dn= NULL, $parent= NULL)
  28   {
  29     plugin::plugin ($config, $dn, $parent);
  30
  31     $this->DisplayName = _("DNS service");
  32
  33     $this->orig_dn = $dn;
  34
  35     /* Get record types for zones
  36      */
  37     $this->RecordTypes = DNS::getDnsRecordTypes(true);
  38
  39     /* Get all zone Informations
  40      */
  41     $this->Zones = DNS::getDNSZoneEntries($config,$dn);
  42
  43     /* If there is at least one entry in this -> types, we have DNS enabled
  44      */
  45     if(count($this->Zones) == 0){
  46       $this->is_account = false;
  47       $this->dns_server_list = $this->get_list_of_dns_servers();
  48     }else{
  49       $this->is_account = true;
  50     }
  51     $this->initially_was_account = $this->is_account;
  52   }
  53
  54
  55   function get_list_of_dns_servers()
  56   {
  57     $ret = array("ENTRIES"=> array(),"FOR_LIST"=> array());
  58     $ldap = $this->config->get_ldap_link();
  59     $ldap->cd($this->config->current['BASE']);
  60     $ldap->search("(&(objectClass=dNSZone)(zoneName=*))",array("dn","zoneName"));
  61     $dns = array();
  62     while($attrs = $ldap->fetch()){
  63       /* Skip own config */
  64       if($this->dn != "new" && preg_match("/".preg_quote($this->dn, '/')."$/",$attrs['dn'])){
  65         continue;
  66       }
  67       $dn = preg_replace("/^zoneName=[^,]+,/","",$attrs['dn']);
  68       if(preg_match("/^cn=/",$dn) && !in_array_strict($dn,$dns)){
  69         $dns[] = $dn;
  70       }
  71     }
  72     $i = 0;
  73     foreach($dns as $dn){
  74       $ldap->cat($dn,array('*'));
  75       if($ldap->count()){
  76         $i ++;
  77         $attrs = $ldap->fetch();
  78           $ret['ENTRIES'][$i]   = $attrs;
  79           $ret['FOR_LIST'][$i] = $attrs['cn'][0];
  80       }
  81     }
  82     return($ret);
  83   }
  84
  85
  86   function get_dns_info_string($id)
  87   {
  88     $ret="";
  89     $ldap = $this->config->get_ldap_link();
  90     $ldap->cd($this->dns_server_list['ENTRIES'][$id]['dn']);
  91     $ldap->search("(|(zoneName=*)(relativeDomainName=*))",array("dn"));
  92     while($attrs = $ldap->fetch()){
  93       $ret .= $attrs['dn']."\n";
  94     }
  95     return($ret);
  96   }
  97
  98
  99   function execute()
 100   {
 101     /* Call parent execute
 102      */
 103     plugin::execute();
 104
 105     if($this->is_account && !$this->view_logged){
 106       $this->view_logged = TRUE;
 107       new log("view","server/".get_class($this),$this->dn);
 108     }
 109
 110     /* Fill templating stuff
 111      */
 112     $smarty= get_smarty();
 113     $smarty->assign("dns_take_over",FALSE);
 114     $smarty->assign("is_createable",$this->acl_is_createable());
 115     $display= "";
 116
 117
 118     $this->initially_was_account= $this->is_account;
 119     /*****************/
 120     /* Handle Take Over Actions
 121     /*****************/
 122
 123     /* Give smarty the required informations */
 124     $smarty->assign("dns_server_list", $this->dns_server_list['FOR_LIST']);
 125     $smarty->assign("dns_server_list_cnt", count($this->dns_server_list['FOR_LIST']));
 126
 127     /* Take over requested, save id */
 128     if(isset($_POST['take_over_src']) && isset($_POST['take_over'])){
 129       $id = $_POST['take_over_src'];
 130       if(isset($this->dns_server_list['ENTRIES'][$id])){
 131         $this->take_over_id = $id;
 132       }
 133     }
 134
 135     /* Abort take over action */
 136     if(isset($_POST['cancel_take_over'])){
 137       $this->dialog =false;
 138       $this->take_over_id = -1;
 139       $this->dns_server_list = $this->get_list_of_dns_servers();
 140     }
 141
 142     /* Display informartion about take over that will be started when saving this server
 143      *  and hide default dns output
 144      */
 145     if($this->take_over_id != -1){
 146       $this->dialog = FALSE;
 147       $id = $this->take_over_id;
 148       $info = $this->get_dns_info_string($id);
 149       $smarty->assign("dns_take_over",TRUE);
 150       $smarty->assign("info",$info);
 151       $warning = sprintf(_("You are going to migrate the DNS setup from server '%s'."),$this->dns_server_list['ENTRIES'][$id]['cn'][0]);
 152       $warning2 = _("The migration will be started when you save this system. To cancel this action, use the cancel button below.");
 153       $smarty->assign("warning",$warning);
 154       $smarty->assign("warning2",$warning2);
 155       return($smarty->fetch(get_template_path('servdns.tpl', TRUE, dirname(__FILE__))));
 156     }
 157
 158
 159     /* Do we need to flip is_account state?
 160      */
 161     if (isset($_POST['modify_state'])){
 162       $this->is_account= !$this->is_account;
 163     }
 164
 165     /* Edited or Added zone
 166      */
 167     if(isset($_POST['SaveZoneChanges'])){
 168       $this->dialog->save_object();
 169
 170       /* Check for errors
 171        */
 172       if(count($this->dialog->check())){
 173         foreach($this->dialog->check() as $msgs){
 174           msg_dialog::display(_("Error"), $msgs, ERROR_DIALOG);
 175         }
 176       }else{
 177         /* add new/edited zone
 178          */
 179         $ret = $this->dialog->save();
 180         if(!$this->dialog->isNew){
 181           unset($this->Zones[$this->dialog->OldZoneName]);
 182         }
 183         $this->Zones[$ret['zoneName']] = $ret;
 184         $this->dialog = FALSE;
 185       }
 186     }
 187
 188     /* Cancel zone edit / new
 189      */
 190     if(isset($_POST['CancelZoneChanges'])){
 191       $this->dialog = FALSE;
 192     }
 193
 194     /* Add empty new zone
 195      */
 196         if(isset($_POST['AddZone'])){
 197                 $this->dialog = new servdnseditZone($this->config,$this->dn);
 198                 if($this->is_new){
 199                         $this->dialog->acl_base = $this->acl_base;
 200                 }
 201         }
 202
 203     /* Check for edit zone request
 204      */
 205     $once = false;
 206     foreach( $_POST as $name => $value){
 207
 208       /* check all post for edit request
 209        */
 210       if(preg_match("/^editZone_/",$name)&&!$once){
 211         $once =true;
 212         $tmp = preg_replace("/^editZone_/","",$name);
 213         $tmp = base64_decode(preg_replace("/_.*$/","",$tmp));
 214         $this->dialog= new servdnseditZone($this->config,$this->dn,$this->Zones[$tmp]);
 215       }
 216
 217       /* check posts for delete zone
 218        */
 219       if(preg_match("/^delZone_/",$name)&&!$once){
 220
 221         $once =true;
 222         $tmp = preg_replace("/^delZone_/","",$name);
 223         $tmp = base64_decode(preg_replace("/_.*$/","",$tmp));
 224
 225         /* Initiate deletion
 226          */
 227         $this->RemoveZone($tmp);
 228       }
 229     }
 230
 231     if(isset($_GET['act']) && $_GET['act'] == "edit" && isset($_GET['id'])){
 232       $id = base64_decode($_GET['id']);
 233       if(isset($this->Zones[$id])){
 234          $this->dialog= new servdnseditZone($this->config,$this->dn,$this->Zones[$id]);
 235       }
 236     }
 237
 238     if(isset($_GET['act']) && $_GET['act'] == "edit" && isset($_GET['id'])){
 239       $id = base64_decode($_GET['id']);
 240       if(isset($this->Zones[$id])){
 241          $this->dialog= new servdnseditZone($this->config,$this->dn,$this->Zones[$id]);
 242       }
 243     }
 244
 245     /* Show dialog
 246      */
 247     if(is_object($this->dialog)){
 248       $this->dialog->save_object();
 249       $this->dialog->parent = $this;
 250       return($this->dialog->execute());
 251     }
 252
 253     /* Create Listbox with existing Zones
 254      */
 255     $ZoneList = new divSelectBox("dNSZones");
 256     $ZoneList -> SetHeight(254);
 257
 258     /* Add entries to divlist
 259      */
 260     $editImg = "<input type='image' src='images/lists/edit.png' name='editZone_%s'>";
 261     if($this->acl_is_removeable()){
 262       $editImg.= "<input type='image' src='images/lists/trash.png' name='delZone_%s'>";
 263     }
 264
 265     $link = "<a href='?plug=".$_GET['plug']."&act=edit&id=%s'>%s</a>";
 266     foreach($this->Zones as $zone => $values ){
 267       $ZoneList->AddEntry(array(
 268             array("string" => sprintf($link,base64_encode($zone),($zone))),
 269             array("string" => sprintf($link,base64_encode($zone),_("Reverse zone")." : ".($values['ReverseZone']))),
 270             array("string" => _("TTL")." : ".$values['sOAttl']),
 271             array("string" => _("Class")." : ".$values['dNSClass']),
 272             array("string" =>str_replace("%s",base64_encode($zone),$editImg))
 273             ));
 274     }
 275
 276     /* Display tempalte
 277      */
 278     $smarty->assign("ZoneList",$ZoneList->DrawList());
 279     $display.= $smarty->fetch(get_template_path('servdns.tpl', TRUE, dirname(__FILE__)));
 280     return($display);
 281   }
 282
 283
 284   /* Delete specified zone
 285    */
 286   function RemoveZone($id,$force = FALSE)
 287   {
 288     $zones =  $this->getUsedZoneNames();
 289
 290     if(isset($this->Zones[$id]['InitialReverseZone'])){
 291       $rev = DNS::FlipIp($this->Zones[$id]['InitialReverseZone']);
 292     }else{
 293       $rev = DNS::FlipIp($this->Zones[$id]['ReverseZone']);
 294     }
 295
 296     $zonename = "";
 297     if(isset($this->Zones[$id]['InitialzoneName'])){
 298       $zonename= $this->Zones[$id]['InitialzoneName'];
 299     }
 300
 301     $used = array();
 302
 303     /* Add Records which use this zoneName
 304      */
 305     if(isset($zones[$zonename])){
 306       $used = array_merge($used,$zones[$zonename]);
 307     }
 308
 309     /* Add Records which uses this reverse zone
 310      */
 311     if(isset($zones[$rev.".in-addr.arpa."])){
 312       $used = array_merge($used,$zones[$rev.".in-addr.arpa."]);
 313     }
 314
 315     /* There are still entries using this configuration
 316      *  Abort deletion
 317      */
 318     if(count($used) && !$force){
 319       $i = 2;
 320       $str ="";
 321       foreach($used as $dn){
 322         if($i > 0 && !preg_match("/,relativeDomainName=/",$dn)){
 323           $i --;
 324           $name = preg_replace("/^[^=]+=([^,]*),.*$/","\\1",$dn);
 325           $zone = preg_replace("/^.*zoneName=([^,]*),.*$/","\\1",$dn);
 326           $str.= $name.".".$zone." ";
 327         }
 328       }
 329
 330       /*  Only show 2 dns in the error message
 331        */
 332       if(count($used)> 2) {
 333         $str .=" ... ";
 334       }
 335       msg_dialog::display(_("Error"), sprintf(_("Cannot delete the selected zone. It is still in use by '%s'"), trim($str)), ERROR_DIALOG);
 336       return(false);
 337     }else{
 338       unset($this->Zones[$id]);
 339       return(true);
 340     }
 341   }
 342
 343
 344   /* This funtion returns all used Zonenames
 345    */
 346   function getUsedZoneNames()
 347   {
 348     $ret = array();
 349     $ldap = $this->config->get_ldap_link();
 350     $ldap->cd($this->config->current['BASE']);
 351     $ldap->search("(&(objectClass=dNSZone)(!(relativeDomainName=@))(zoneName=*))",array("zoneName","relativeDomainName"));
 352     while($attr = $ldap->fetch()){
 353       $ret[$attr['zoneName'][0]][] = $attr['dn'];
 354     }
 355     return($ret);
 356   }
 357
 358
 359   /* Remove dns service
 360    */
 361   function remove_from_parent()
 362   {
 363     if($this->initially_was_account){
 364       $bool = true;
 365       $this->is_account = FALSE;
 366       foreach($this->Zones as $key => $zone){
 367         $bool= $bool & $this->RemoveZone($key,TRUE);
 368       }
 369       if($bool){
 370         $this->save();
 371       }
 372       return($bool);
 373     }
 374   }
 375
 376
 377   /* Save to LDAP */
 378   function save()
 379   {
 380
 381     /* Take over handling
 382      * - Create list of zones managed by source server
 383      * - Copy ldap entries to destination server
 384      * - Remove old zone entries from source
 385      */
 386     if($this->take_over_id != -1){
 387       $del = array();
 388       $id = $this->take_over_id;
 389       $src = $this->dns_server_list['ENTRIES'][$id]['dn'];
 390       $ldap = $this->config->get_ldap_link();
 391       $ldap->ls("(objectClass=dnsZone)",$src,array('cn'));
 392       while($attrs = $ldap->fetch()){
 393         $src_zone = $attrs['dn'];
 394         $dst_zone = preg_replace("/".preg_quote($src, '/')."$/",$this->dn,$src_zone);
 395         $res = plugin::recursive_move($src_zone, $dst_zone);
 396
 397         if($res){
 398           $del [] = $src_zone;
 399         }
 400       }
 401       foreach($del as $src_zone){
 402         $ldap->rmdir_recursive($src_zone);
 403       }
 404       return;
 405     }
 406
 407     /* Save zone editor changes now */
 408     foreach($this->Zones as $name => $zone){
 409       if(isset($zone['zoneEditor'] ) && $zone['zoneEditor'] != NULL && is_object($zone['zoneEditor'])){
 410         $zone['zoneEditor']->save();
 411         unset($this->Zones[$name]['zoneEditor']);;
 412       }
 413     }
 414
 415     $ldap = $this->config->get_ldap_link();
 416     $ldap->cd($this->config->current['BASE']);
 417
 418     /* Get differences
 419      */
 420     $old_dn = $this->orig_dn;
 421     if($old_dn == "new"){
 422       $old_dn = $this->dn;
 423     }
 424
 425     /* Update dns to current object dn */
 426     $tmp = DNS::getDNSZoneEntriesDiff($this->config,$this->Zones,$old_dn);
 427     $tmp2 = array();
 428     foreach($tmp as $key1 => $data1){
 429       $tmp2[$key1] = array();
 430       foreach($data1 as $key2 => $data2){
 431         $tmp2[$key1][preg_replace("/".preg_quote($old_dn, '/')."$/",$this->dn,$key2)] = $data2;
 432       }
 433     }
 434     $tmp = $tmp2;
 435
 436     /* Updated zone entries if reverser or forward name has changed
 437      * Must be done before moving entries, else the given dn is invalid
 438      */
 439     if(isset($tmp['zoneUpdates'])){
 440       foreach($tmp['zoneUpdates'] as $dn => $attrs){
 441         $ldap->cd($dn);
 442         $ldap->modify($attrs);
 443         new log("modify","unknown/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
 444         if (!$ldap->success()){
 445           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, LDAP_MOD, get_class()));
 446         }
 447       }
 448     }
 449
 450     /* Delete dns
 451      */
 452     foreach($tmp['del'] as $dn => $del){
 453
 454       $for = $del['InitialzoneName'];
 455       $rev = DNS::FlipIp($del['InitialReverseZone']).".in-addr.arpa.";
 456
 457       $ldap->cd($dn);
 458       $ldap->rmdir_recursive($dn);
 459       new log("remove","unknown/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
 460       if (!$ldap->success()){
 461         msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, LDAP_DEL, get_class()));
 462       }
 463
 464       /* Handle Post events */
 465       if(preg_match("/^zoneName=/",$dn)){
 466 #        $this->handle_post_events("remove",array("dn" => $dn,"zoneName" => $for));
 467 #        $this->handle_post_events("remove",array("dn" => $dn,"zoneName" => $rev));
 468       }
 469     }
 470
 471     /* move follwoing entries
 472      */
 473     foreach($tmp['move'] as $src => $dst){
 474       $this->recursive_move($src,$dst);
 475     }
 476
 477     /* Add || Update new DNS entries
 478      */
 479     foreach($tmp['add'] as $dn => $attrs){
 480       $ldap->cd($dn);
 481       $ldap->cat($dn, array('dn'));
 482       if($ldap->fetch()){
 483         $ldap->cd($dn);
 484         $ldap->modify ($attrs);
 485         if (!$ldap->success()){
 486           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, LDAP_MOD, get_class()));
 487         }
 488
 489         /* Handle Post events */
 490         if(preg_match("/^zoneName=/",$dn)){
 491 #          $this->handle_post_events("modify",array("dn" => $dn,"zoneName" => $attrs['zoneName']));
 492         }
 493       }else{
 494         $ldap->cd($dn);
 495         $ldap->add($attrs);
 496         if (!$ldap->success()){
 497           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, LDAP_ADD, get_class()));
 498         }
 499
 500         /* Handle Post events */
 501         if(preg_match("/^zoneName=/",$dn)){
 502 #          $this->handle_post_events("add",array("dn" => $dn,"zoneName" => $attrs['zoneName']));
 503         }
 504       }
 505     }
 506     $this->handle_post_events("modify");
 507   }
 508
 509
 510   /* Directly save new status flag */
 511   function setStatus($value)
 512   {
 513     if($value == "none") return;
 514     if(!$this->initially_was_account) return;
 515     if(empty($this->StatusFlag)) return;
 516     $ldap = $this->config->get_ldap_link();
 517     $ldap->cd($this->dn);
 518     $ldap->cat($this->dn,array("objectClass"));
 519     if($ldap->count()){
 520
 521       $tmp = $ldap->fetch();
 522       for($i = 0; $i < $tmp['objectClass']['count']; $i ++){
 523         $attrs['objectClass'][] = $tmp['objectClass'][$i];
 524       }
 525       $flag = $this->StatusFlag;
 526       $attrs[$flag] = $value;
 527       $this->$flag = $value;
 528       $ldap->modify($attrs);
 529       if (!$ldap->success()){
 530         msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, LDAP_MOD, get_class()));
 531       }
 532       $this->action_hook();
 533     }
 534   }
 535
 536
 537   function getListEntry()
 538   {
 539     $fields               = goService::getListEntry();
 540     $fields['Message']    = _("DNS service");
 541     #$fields['AllowEdit']  = true;
 542     return($fields);
 543   }
 544
 545
 546   /* Get updates for status flag */
 547   function updateStatusState()
 548   {
 549     if(empty($this->StatusFlag)) return;
 550
 551     $attrs = array();
 552     $flag = $this->StatusFlag;
 553     $ldap = $this->config->get_ldap_link();
 554     $ldap->cd($this->cn);
 555     $ldap->cat($this->dn,array($flag));
 556     if($ldap->count()){
 557       $attrs = $ldap->fetch();
 558     }
 559     if(isset($attrs[$flag][0])){
 560       $this->$flag = $attrs[$flag][0];
 561     }
 562   }
 563
 564
 565   /* Return plugin informations for acl handling */
 566   static function plInfo()
 567   {
 568     return (array(
 569           "plShortName"   => _("DNS service"),
 570           "plDescription" => _("DNS service")." ("._("Services").")",
 571           "plSelfModify"  => FALSE,
 572           "plDepends"     => array(),
 573           "plPriority"    => 83,
 574           "plSection"     => array("administration"),
 575           "plCategory"    => array("server"),
 576
 577           "plProvidedAcls"=> array(
 578             "start"         => _("Start service"),  // Remove this to hide the start button at all.
 579             "stop"          => _("Stop service"),   // Remove this to hide the stop button at all.
 580             "restart"       => _("Restart service"),// Remove this to hide the restart button at all.
 581
 582             "zoneName"      =>_("Zone name"),
 583             "ReverseZone"   =>_("Reverse zone"),
 584             "NetworkClass"  =>_("Network class"),
 585             "zoneEditor"    =>_("Zone entry editor"),
 586             "sOAprimary"    =>_("Primary dns server"),
 587             "sOAmail"       =>_("Mail address"),
 588             "sOAserial"     =>_("Serial"),
 589             "sOArefresh"    =>_("Refresh"),
 590             "sOAretry"      =>_("Retry"),
 591             "sOAexpire"     =>_("Expire"),
 592             "sOAttl"        =>_("TTL"),
 593             "mXRecord"      =>_("MX records"),
 594             "zoneRecords"   =>_("Zone records"))
 595     ));
 596   }
 597
 598 }
 599 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 600 ?>