gosa-plugins/systems/admin/systems/class_termDNS.inc

   1 <?php
   2
   3 class termDNS extends plugin
   4 {
   5   /* attribute list for save action */
   6   var $ignore_account = true;
   7   var $autonet        = false;
   8
   9   /* Basic informations
  10    */
  11   var $attributes     = array("ipHostNumber","macAddress");
  12   var $objectclasses  = array("whatever");
  13
  14   var $ipHostNumber   = "";    // IP address
  15   var $macAddress     = "";    // Mac address
  16
  17   var $orig_ipHostNumber   = "";    // IP address
  18   var $orig_macAddress     = "";    // Mac address
  19
  20   var $cn             = "";    // CN of currently edited device
  21   var $OrigCn         = "";    // Initial cn
  22   var $IPisMust       = false;
  23   var $MACisMust      = false;
  24   var $dialog         = false;
  25
  26   /* DCHP Attributes
  27    */
  28   var $dhcpAttributes           = array("dhcpParentNode");
  29   var $dhcpEnabled              = FALSE;
  30   var $dhcp_is_Account          = FALSE;
  31   var $dhcpParentNodes          = array();
  32   var $dhcpParentNode           = "";
  33   var $dhcpHostEntry            = array();
  34   var $initial_dhcpParentNode   = "";
  35   var $initial_dhcpHostEntry    = array();
  36   var $initial_dhcp_is_Account  = FALSE;
  37
  38   var $used_ip_mac              = array();
  39
  40   /* DNS attributes
  41    */
  42   var $DNSattributes            = array("dNSClass","zoneName","dNSTTL");
  43   var $DNS_is_account           = false;
  44   var $initially_was_account = false;
  45   var $dnsEntry                 = array();
  46   var $DNSenabled               = false;
  47   var $hide_dns_check_box       = FALSE;
  48
  49   /*  Terminal dns
  50    */
  51   function termDNS (&$config, $parent,$objectClasses,$IPisMust = false)
  52   {
  53     /* We need to know which objectClasses are used, to store the ip/mac
  54      * Because of different type of devices
  55      */
  56     $this->parent         = $parent;
  57     $this->objectclasses  =  $objectClasses;
  58     $this->IPisMust       = $IPisMust;
  59
  60     plugin::plugin ($config, $parent->dn);
  61
  62     if(isset($this->attrs['cn'][0])){
  63       $this->OrigCn = preg_replace("/\\\$\$/","",$this->attrs['cn'][0]);
  64       $this->cn = preg_replace("/\\\$\$/","",$this->attrs['cn'][0]);
  65     }
  66
  67
  68     /************
  69      * DHCP
  70      ************/
  71
  72     /* Hide all dhcp specific code, if dhcp plugin is not present in config */
  73     $dhcpEnabled = FALSE;
  74     if($this->config->search("servdhcp","class",array("tabs"))){
  75       $this->dhcpEnabled = TRUE;
  76     }
  77     if($this->dhcpEnabled){
  78       $this->dhcpParentNodes = $this->get_dhcp_parent_nodes();
  79       $this->dhcpParentNode  = $this->get_dhcp_parent_node();
  80       if($this->dhcpParentNode){
  81         $this->dhcp_is_Account = TRUE;
  82         $this->initial_dhcp_is_Account = TRUE;
  83         $this->dhcpHostEntry  = $this->get_dhcp_host_entry();
  84       }
  85       $this->initial_dhcpHostEntry = $this->dhcpHostEntry;
  86       $this->initial_dhcpParentNode= $this->dhcpParentNode;
  87     }
  88
  89
  90     /************
  91      * Autonetwork hook
  92      ************/
  93
  94     /* Do we have autonet support? */
  95     if (isset($this->config->data['MAIN']['AUTO_NETWORK_HOOK'])){
  96       $this->autonet= true;
  97     }
  98
  99
 100     /************
 101      * DNS
 102      ************/
 103
 104     /* Hide all dns specific code, if dns is not available
 105      */
 106     $DNSenabled = false;
 107     foreach($this->config->data['TABS']['SERVERSERVICE'] as $tab){
 108       if(preg_match("/^servdns$/",$tab['CLASS'])){
 109         $this->DNSenabled = true;
 110       }
 111     }
 112     if(!$this->DNSenabled){
 113       $this->DNS_is_account = false;
 114       return;
 115     }
 116
 117     if($this->DNSenabled){
 118
 119       /* Get Zones
 120        */
 121       $this->Zones        = DNS::getAvailableZones($config);
 122
 123       /* Get Entry
 124        */
 125       $this->dnsEntry     = DNS::getDNSHostEntries($config,$this->OrigCn);
 126
 127       /* Remove A record which equals $this->ipHostNumber
 128        */
 129       $ptr = $this->get_pTRRecord();
 130       foreach($this->dnsEntry['RECORDS'] as $key => $rec){
 131         if(($rec['type'] == "aRecord") && ($rec['value'] == $this->ipHostNumber)){
 132           unset($this->dnsEntry['RECORDS'][$key]);
 133         }
 134         if(($rec['type'] == "pTRRecord") && ($rec['value'] == $ptr)){
 135           unset($this->dnsEntry['RECORDS'][$key]);
 136         }
 137       }
 138
 139       /* Get Record types
 140        */
 141       $this->RecordTypes  = DNS::getDnsRecordTypes();
 142
 143       /* If there is at least one entry in this -> types, we have DNS enabled
 144        */
 145       if($this->dnsEntry['exists']){
 146         $this->DNS_is_account = true;
 147       }else{
 148         $this->DNS_is_account = false;
 149       }
 150     }
 151
 152     /* Create a list of used mac and ip addresses */
 153     $ldap = $this->config->get_ldap_link();
 154     $ldap->cd($this->config->current['BASE']);
 155     $ldap->search("(|(macAddress=*)(ipHostNumber=*))",array("macAddress","ipHostNumber"));
 156     while($attrs = $ldap->fetch()){
 157       if(isset($attrs['ipHostNumber'][0])){
 158         $this->used_ip_mac["ip:".$attrs['ipHostNumber'][0]] = "ip:".$attrs['ipHostNumber'][0];
 159       }
 160       if(isset($attrs['macAddress'][0])){
 161         $this->used_ip_mac["mac:".$attrs['macAddress'][0]] = "mac:".$attrs['macAddress'][0];
 162       }
 163     }
 164
 165     /* Save initial ip and mac values, to be able
 166         check if the used values are already in use */
 167     $this->orig_ipHostNumber   = $this->ipHostNumber;
 168     $this->orig_macAddress     = $this->macAddress;
 169
 170     /* Store initally account settings
 171      */
 172     $this->initially_was_account = $this->DNS_is_account;
 173
 174     if($this->DNS_is_account){
 175       new log("view","unknown/".get_class($this),$this->dn);
 176     }
 177   }
 178
 179
 180   function netmaskIsCoherent($idZone)
 181   {
 182     $netmask = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($idZone)));
 183     if(!strstr($this->ipHostNumber, $netmask)){
 184       return false;
 185     }else{
 186       return true;
 187     }
 188   }
 189
 190
 191   function getVarsForSaving($attrs)
 192   {
 193     foreach($this->attributes as $attr){
 194       if(!empty($this->$attr)){
 195         $attrs[$attr] = $this->$attr;
 196       }
 197     }
 198     return($attrs);
 199   }
 200
 201   function execute()
 202   {
 203           /* Call parent execute */
 204     $smarty= get_smarty();
 205
 206     $tmp = $this->plInfo();
 207     foreach($tmp['plProvidedAcls'] as $name => $translation){
 208       $smarty->assign($name."ACL",$this->getacl($name));
 209     }
 210
 211     $display= "";
 212
 213     $smarty->assign("staticAddress", "");
 214     $smarty->assign("autonet", $this->autonet);
 215
 216     /* Check for autonet button */
 217     if ($this->autonet && isset($_POST['autonet'])){
 218       $cmd= $this->config->data['MAIN']['AUTO_NETWORK_HOOK'];
 219       if(!empty($cmd) && $this->cn != ""){
 220         $res = shell_exec($cmd." ".$this->cn);
 221         if(!$res){
 222           print_red(sprintf(_("Can't execute specified AUTO_NETWORK_HOOK '%s'. Please check your gosa.conf."),$cmd));
 223         } else {
 224           $res= split(';', trim($res));
 225           if (isset($res[0]) && $res[0] != ""){
 226             $this->ipHostNumber= $res[0];
 227           }
 228           if (isset($res[1]) && $res[1] != ""){
 229             $this->macAddress= $res[1];
 230           }
 231         }
 232       }
 233     }
 234
 235
 236     /**********
 237      * DHCP Handling
 238      **********/
 239
 240     if(isset($_POST['dhcpEditOptions'])){
 241
 242       if(count($this->dhcpHostEntry) == 0){
 243         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 244       }else{
 245         $this->dialog = new dhcpHost($this->dhcpHostEntry,TRUE);
 246       }
 247       $this->dialog->cn = $this->cn;
 248       $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 249       if(!empty($this->ipHostNumber)){
 250         $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 251       }
 252     }
 253
 254     if(isset($_POST['cancel_dhcp'])){
 255       $this->dialog = FALSE;
 256     }
 257
 258     if(isset($_POST['save_dhcp'])){
 259       $this->dialog->save_object();
 260
 261       $msgs = $this->dialog->check(array());
 262       if(count($msgs)){
 263         foreach($msgs as $msg){
 264           print_red($msg);
 265         }
 266       }else{
 267         $this->dhcpHostEntry = $this->dialog->save();
 268         $this->dialog = FALSE;
 269       }
 270     }
 271
 272     if(is_object($this->dialog)){
 273       $this->dialog->save_object();
 274       return($this->dialog->execute());
 275     }
 276
 277     $smarty->assign("dhcpEnabled",    $this->dhcpEnabled);
 278     $smarty->assign("dhcp_is_Account",$this->dhcp_is_Account);
 279     $smarty->assign("dhcpParentNode", $this->dhcpParentNode);
 280     $smarty->assign("dhcpParentNodes",$this->dhcpParentNodes);
 281     $smarty->assign("dhcpParentNodeCnt",count($this->dhcpParentNodes));
 282
 283
 284     /**********
 285      * DNS Handling
 286      **********/
 287
 288     /* There is no dns available
 289      */
 290     $smarty->assign("DNS_is_account",$this->DNS_is_account);
 291     $smarty->assign("DNSenabled",$this->DNSenabled);
 292     if($this->DNSenabled == false){
 293
 294       /* Is IP address must ? */
 295 #      $smarty->assign("DNS_is_account",false);
 296       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 297
 298       /* Assign smarty all non DNs attributes */
 299       foreach($this->attributes as $attr){
 300         $smarty->assign($attr,$this->$attr);
 301       }
 302       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 303
 304       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 305     }else{
 306  #     $smarty->assign("DNS_is_account",true);
 307
 308       /* Add new empty array to our record list */
 309       if(isset($_POST['AddNewRecord'])){
 310         $this->dnsEntry['RECORDS'][]  =array("type"=>"aRecord","value"=>"");
 311       }
 312
 313       /* propose_ip */
 314       if(isset($_POST['propose_ip'])){
 315         foreach($this->Zones as $key => $name){
 316           if($name == $this->dnsEntry['zoneName']){
 317             $net = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($key)));
 318             $this->ipHostNumber = $this->generateRandomIp($net);
 319           }
 320         }
 321       }
 322
 323       /* Handle all posts */
 324       $only_once =true;
 325       foreach($_POST as $name => $value){
 326
 327         /* Check if we have to delete a record entry */
 328         if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
 329
 330           /* Avoid performing this once again */
 331           $only_once = false;
 332
 333           /* Extract id for specified entry */
 334           $id = preg_replace("/RemoveRecord_/","",$name);
 335           $id = preg_replace("/_.*$/","",$id);
 336
 337           /* Delete this record, mark edited entries to be able to delete them */
 338           if(isset($this->dnsEntry['RECORDS'][$id])){
 339             unset($this->dnsEntry['RECORDS'][$id]);
 340           }
 341         }
 342       }
 343       /* Assign smarty all non DNs attributes */
 344       foreach($this->attributes as $attr){
 345         $smarty->assign($attr,$this->$attr);
 346       }
 347
 348       /* Assign smarty all DNS attributes */
 349       foreach($this->DNSattributes as $attr){
 350         $smarty->assign($attr,$this->dnsEntry[$attr]);
 351       }
 352
 353       /* Assign all needed vars */
 354  #     $smarty->assign("DNSAccount",$this->DNS_is_account);
 355       $smarty->assign("hide_dns_check_box",$this->hide_dns_check_box);
 356
 357       $smarty->assign("Zones",$this->Zones);
 358       $smarty->assign("ZoneCnt",count($this->Zones));
 359       $smarty->assign("ZoneKeys",($this->Zones));
 360       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 361
 362       /* Create zone array */
 363       $idZones = array();
 364       foreach($this->Zones as $id => $zone){
 365         if($this->netmaskIsCoherent($id)) {
 366           $idZones[$id] = $zone;
 367         }else{
 368           $idZones[$id] = $zone."&nbsp;("._("Not matching").")";
 369         }
 370       }
 371       $smarty->assign("Zones",$idZones);
 372       $smarty->assign("ZoneKeys", $this->Zones);
 373
 374       $tmp = $this->generateRecordsList();
 375
 376       $changeStateForRecords = $tmp['changeStateForRecords'];
 377
 378       $smarty->assign("records",$tmp['str']);
 379       $smarty->assign("changeStateForRecords",$changeStateForRecords);
 380       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 381
 382       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 383     }
 384     return($display);
 385   }
 386
 387
 388   function remove_from_parent()
 389   {
 390     if($this->initially_was_account){
 391
 392       $ldap = $this->config->get_ldap_link();
 393
 394       $tmp = array();
 395       $this->dnsEntry['exists'] = false;
 396       $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 397
 398       /* Delete dns */
 399       foreach($tmp['del'] as $dn => $del){
 400         $ldap->cd($dn);
 401         $ldap->rmdir_recursive($dn);
 402         new log("remove","unknown/".get_class($this),$dn);
 403       }
 404     }
 405   }
 406
 407
 408   /* Save data to object */
 409   function save_object()
 410   {
 411
 412     if(isset($_POST['network_tpl_posted'])){
 413
 414       /* Save all posted vars */
 415       plugin::save_object();
 416
 417       /* Handle DHCP Posts*/
 418       if($this->dhcpEnabled && isset($_POST['network_tpl_posted'])){
 419         foreach($this->dhcpAttributes as $attr){
 420           if(isset($_POST[$attr])){
 421             $this->$attr = $_POST[$attr];
 422           }
 423         }
 424         if(isset($_POST['dhcp_is_Account'])){
 425           $this->dhcp_is_Account = TRUE;
 426         }else{
 427           $this->dhcp_is_Account = FALSE;
 428         }
 429       }
 430
 431       /* Ge all non dns attributes (IP/MAC)*/
 432       foreach($this->attributes as $attr){
 433         if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 434           $this->$attr = $_POST[$attr];
 435         }
 436       }
 437
 438       /* Check if DNS should be enabled / disabled */
 439       if($this->DNS_is_account && $this->acl_is_removeable() && !isset($_POST['DNS_is_account'])){
 440         $this->DNS_is_account = false;
 441       }elseif(!$this->DNS_is_account && $this->acl_is_createable() && isset($_POST['DNS_is_account'])){
 442         $this->DNS_is_account = true;
 443       }
 444
 445       /* Get dns attributes */
 446       if(($this->DNSenabled) && (isset($_POST['network_tpl_posted']))){
 447
 448         /* Check for posted record changes */
 449         if(is_array($this->dnsEntry['RECORDS']) && $this->acl_is_writeable("Records")){
 450           foreach($this->dnsEntry['RECORDS'] as $key => $value){
 451
 452             /* Check if type has changed */
 453             if(isset($_POST['RecordTypeSelectedFor_'.$key])){
 454               $this->dnsEntry['RECORDS'][$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
 455             }
 456             /* Check if value has changed */
 457             if(isset($_POST['RecordValue_'.$key])){
 458               $this->dnsEntry['RECORDS'][$key]['value'] = $_POST['RecordValue_'.$key];
 459             }
 460           }
 461         }
 462         /* Get all basic DNS attributes (TTL, Clas ..)*/
 463         foreach($this->DNSattributes as $attr){
 464           if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 465             $this->dnsEntry[$attr] = $_POST[$attr];
 466           }
 467         }
 468
 469
 470       }
 471       if($this->hide_dns_check_box){
 472         $this->DNS_is_account = true;
 473       }
 474     }
 475   }
 476
 477
 478   /* Check supplied data */
 479   function check()
 480   {
 481     /* Call common method to give check the hook */
 482     $message= plugin::check();
 483
 484     if($this->dhcpEnabled && $this->dhcp_is_Account && $this->dhcpParentNode != "" && count($this->dhcpHostEntry) == 0){
 485 #      $message[] =_("You have not configured your dhcp settings yet.");
 486     }
 487
 488     /* Check if mac and ip are already used */
 489     if(!empty($this->ipHostNumber) && $this->DNS_is_account &&
 490         $this->ipHostNumber != $this->orig_ipHostNumber &&
 491         in_array("ip:".$this->ipHostNumber,$this->used_ip_mac)){
 492       $message[] =_("The specified IP address is already in use.");
 493     }
 494     if(!empty($this->macAddress) && $this->dhcp_is_Account &&
 495         $this->macAddress != $this->orig_macAddress &&
 496         in_array("mac:".$this->macAddress,$this->used_ip_mac)){
 497       print_red(sprintf(_("The specified MAC address '%s' for this system '%s' is already in use."),$this->macAddress,$this->cn));
 498     }
 499
 500     /* Check if ip must be given
 501      */
 502     if(($this->IPisMust)||($this->DNS_is_account)){
 503       if (empty($this->ipHostNumber)){
 504         $message[]= _("The required field 'IP-address' is not set.");
 505       }
 506
 507       if (!tests::is_ip($this->ipHostNumber)){
 508         $message[]= _("Wrong IP format in field IP-address.");
 509       }
 510     }
 511
 512     /* Check if mac is empty
 513      */
 514     if ($this->macAddress == "" ){
 515       $message[]= _("The required field 'MAC-address' is not set.");
 516     }
 517     if(!tests::is_mac($this->macAddress)){
 518       $message[]=(_("The given macaddress is invalid. There must be 6 2byte segments seperated by ':'."));
 519     }
 520
 521     /* only perfrom this checks if this is a valid DNS account */
 522     if($this->DNS_is_account){
 523
 524       $checkArray = array();
 525       $onlyOnce   = array();
 526
 527       //  $onlyOnce['cNAMERecord'] = 0;
 528        $tmp = array_flip($this->Zones);
 529        $tmp2 = $tmp[$this->dnsEntry['zoneName']];
 530        if(!$this->netmaskIsCoherent($tmp2)){ //this->dnsEntry['zoneName'])){
 531          $tmp2 = preg_replace("/^.*\//","",$tmp2);
 532          $message[] =sprintf(_("The specified IP address '%s' is not matching the selected reverse zone entry '%s'."),$this->ipHostNumber,$tmp2);
 533        }
 534
 535       /* Walk through all entries and detect duplicates or mismatches
 536        */
 537       foreach($this->dnsEntry['RECORDS'] as $name => $values){
 538
 539         /* Count record values, to detect duplicate entries for a specific record
 540          */
 541         if(!isset($checkArray[$values['type']][$values['value']])){
 542           $checkArray[$values['type']][$values['value']] = 0;
 543         }else{
 544           $message[] = sprintf(_("Found duplicate value for record type '%s'."),$values['type']);
 545         }
 546
 547         /* Check if given entries in $onlyOnce are used more than once
 548          */
 549         if(isset($onlyOnce[$values['type']])){
 550           $onlyOnce[$values['type']] ++;
 551           if($onlyOnce[$values['type']] > 1){
 552             $message[] = sprintf(_("Found more than one entry for the uniqe record type '%s'."),$values['type']);
 553           }
 554         }
 555
 556         /* Skip txt record ...
 557          */
 558         if($values['type'] == "tXTRecord") continue;
 559
 560         /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress
 561          */
 562         if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)){
 563           $message[]=sprintf(_("The device IP '%s' is added as 'A Record', this will be done automatically, please remove the record."),
 564                $this->ipHostNumber);
 565         }
 566
 567         /* only lower-case is allowed in record entries ...
 568          */
 569         if($values['value'] != strtolower($values['value'])){
 570           $message[] = sprintf(_("Only lowercase is allowed, please check your '%ss'."),$values['type']);
 571         }
 572       }
 573     }
 574     return ($message);
 575   }
 576
 577
 578   /* Save to LDAP */
 579   function save()
 580   {
 581     $ldap= $this->config->get_ldap_link();
 582
 583     $dn = $this->parent->dn;
 584
 585     /*******************/
 586     /* IP-MAC HANDLING */
 587     /*******************/
 588
 589     /* $dn was posted as parameter */
 590     $this->dn = $dn;
 591
 592     /* Save DNS setting & ip/Mac*/
 593     plugin::save();
 594
 595     /* Write back to ldap */
 596     $ldap->cd($this->dn);
 597     $this->cleanup();
 598     $ldap->modify ($this->attrs);
 599
 600     /****************/
 601     /* DHCP HANDLING */
 602     /****************/
 603
 604     /* New entry */
 605     if($this->dhcpEnabled){
 606
 607       if(count($this->dhcpHostEntry) == 0){
 608         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 609         $this->dialog->cn = $this->cn;
 610         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 611         if(!empty($this->ipHostNumber)){
 612           $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 613         }
 614         $this->dialog->execute();
 615         $this->dialog->save_object();
 616         $this->dhcpHostEntry = $this->dialog->save();
 617         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
 618           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
 619         }
 620       }
 621
 622       if(count($this->dhcpHostEntry) == 0){
 623         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 624         $this->dialog->cn = $this->cn;
 625         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 626         if(!empty($this->ipHostNumber)){
 627           $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 628         }
 629         $this->dialog->execute();
 630         $this->dialog->save_object();
 631         $this->dhcpHostEntry = $this->dialog->save();
 632         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
 633           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
 634         }
 635       }
 636
 637       /* Write mac address to dhcp settings */
 638       if($this->dhcp_is_Account){
 639         if(!isset($this->dhcpHostEntry['dhcpHWAddress'][0]) ||
 640             !preg_match("/ethernet ".$this->macAddress."/",$this->dhcpHostEntry['dhcpHWAddress'][0])){
 641           $this->dhcpHostEntry['dhcpHWAddress'] = array("ethernet ".$this->macAddress);
 642           $this->dhcpHostEntry['MODIFIED'] = TRUE;
 643         }
 644       }
 645
 646
 647       /* Unset dhcpStatements if this attribute is empty  */
 648       if(isset($this->dhcpHostEntry['dhcpStatements']) &&
 649           ($this->dhcpHostEntry['dhcpStatements'] == "" || count($this->dhcpHostEntry['dhcpStatements']) == 0) ){
 650         unset($this->dhcpHostEntry['dhcpStatements']);
 651       }
 652
 653       /* DHCP removed */
 654       if($this->initial_dhcp_is_Account && !$this->dhcp_is_Account){
 655         $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 656         show_ldap_error($ldap->get_error(),_("Removing dhcp entry for this object failed."));
 657
 658         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 659         $tmp->handle_post_events("remove");
 660       }
 661
 662       /* DHCP Added */
 663       if(!$this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 664         $attrs = $this->dhcpHostEntry;
 665         unset($attrs['MODIFIED']);
 666         unset($attrs['dn']);
 667         $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 668         $res = $ldap->add($attrs);
 669
 670         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 671         $tmp->handle_post_events("add");
 672
 673         show_ldap_error($ldap->get_error(),_("Tried to add new dhcp entry failed."));
 674       }
 675
 676       /* DHCP still activated */
 677       if($this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 678
 679         /* DHCP node changed */
 680         if(($this->initial_dhcpParentNode != $this->dhcpParentNode) ||
 681            ($this->cn != $this->OrigCn)){
 682           $attrs = $this->dhcpHostEntry;
 683           $attrs['cn'] = $this->cn;
 684           unset($attrs['dn']);
 685           unset($attrs['MODIFIED']);
 686           $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 687           $res = $ldap->add($attrs);
 688
 689           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 690           $tmp->handle_post_events("modify");
 691
 692           show_ldap_error($ldap->get_error(),_("Tried to add new dhcp entry failed."));
 693           if($res){
 694             $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 695             show_ldap_error($ldap->get_error(),_("Removing old dhcp entry failed."));
 696           }
 697         }
 698
 699         /* SAME node but modified */
 700         if(isset($this->dhcpHostEntry['MODIFIED']) && $this->dhcpHostEntry['MODIFIED'] == 1  &&
 701             $this->initial_dhcpParentNode == $this->dhcpParentNode){
 702           $attrs = $this->dhcpHostEntry;
 703           unset($attrs['dn']);
 704           unset($attrs['MODIFIED']);
 705           $ldap->cd($this->dhcpHostEntry['dn']);
 706           $ldap->modify($attrs);
 707
 708           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 709           $tmp->handle_post_events("modify");
 710
 711           show_ldap_error($ldap->get_error(),_("Modifying dhcp entry failed."));
 712         }
 713       }
 714     }
 715     $this->dialog = FALSE;
 716
 717     /****************/
 718     /* DNS HANDLING */
 719     /****************/
 720
 721     /* If isn't DNS account but initially was DNS account
 722        remove all DNS entries
 723      */
 724     if((!$this->DNSenabled) || ((!$this->DNS_is_account)&&(!$this->initially_was_account))){
 725       return;
 726     }else{
 727
 728       /* Add ipHostNumber to aRecords
 729        */
 730       $backup_dnsEntry = $this->dnsEntry;
 731       if(!empty($this->ipHostNumber)){
 732         $this->dnsEntry['RECORDS'][] = array("type"=>"aRecord","value"=>$this->ipHostNumber);
 733         $ptr = $this->get_pTRRecord();
 734         if(!empty($ptr)){
 735           $this->dnsEntry['RECORDS'][] = array("type"=>"pTRRecord","value"=>$ptr);
 736         }
 737       }
 738
 739       /* Create diff and follow instructions
 740        * If Account was disabled, remove account by setting exists to false
 741        */
 742       if((!$this->DNS_is_account)&&($this->initially_was_account)){
 743         $this->dnsEntry['exists'] = false;
 744         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 745       }else{
 746         $this->dnsEntry['exists'] = $this->DNS_is_account;
 747         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 748       }
 749
 750       /* move follwoing entries
 751        */
 752       foreach($tmp['move'] as $src => $dst){
 753         $this->recursive_move($src,$dst);
 754       }
 755
 756       /* Delete dns */
 757       foreach($tmp['del'] as $dn => $del){
 758         $ldap->cd($dn);
 759         $ldap->rmdir_recursive($dn);
 760         new log("modify","unknown/".get_class($this),$dn,array("*"),$ldap->get_error());
 761       }
 762
 763       /* Add || Update new DNS entries
 764        */
 765       foreach($tmp['add'] as $dn => $attrs){
 766         $ldap->cd($dn);
 767         $ldap->cat($dn, array('dn'));
 768         if(count($ldap->fetch())){
 769           $ldap->cd($dn);
 770           $ldap->modify ($attrs);
 771         }else{
 772           $ldap->cd($dn);
 773           $ldap->add($attrs);
 774         }
 775         new log("modify","unknown/".get_class($this),$dn,array_keys($attrs),$ldap->get_error());
 776       }
 777
 778
 779       /* Display errors
 780        */
 781       if($ldap->get_error() != "Success"){
 782         show_ldap_error($ldap->get_error(), sprintf(_("Saving of terminal/dns account with dn '%s' failed."),$this->dn));
 783       }
 784
 785       $tmp2 = new servdns($this->config,$this->dn);
 786       $tmp2->handle_post_events("modify");
 787
 788       $this->dnsEntry =  $backup_dnsEntry;
 789     }
 790   }
 791
 792   /*  Create html table with all used record types
 793    */
 794   function generateRecordsList()
 795   {
 796     $changeStateForRecords = "";
 797
 798     if(!$this->DNS_is_account) {
 799       $str = "<input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord' disabled='disabled'>";
 800       return(array("str" => $str, "changeStateForRecords"=> ""));
 801     }
 802
 803     $str = "<table summary='' width='100%'>";
 804     foreach($this->dnsEntry['RECORDS'] as $key => $entry){
 805
 806         $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
 807         $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
 808         $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
 809
 810         $str.=" <tr>".
 811           "   <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
 812           "   <td><input type='text' value='".$entry['value']."' name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
 813           "   <td><input type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
 814           "</tr>";
 815     }
 816
 817     $str.= "  <tr>".
 818            "    <td colspan=2 width='50%'></td><td>".
 819            "      <input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord'>".
 820            "    </td>".
 821            "  </tr>".
 822            "</table>";
 823      $ret =  array("str" => $str, "changeStateForRecords" => $changeStateForRecords);
 824     return($ret);
 825   }
 826
 827
 828   /* Create a html select box which allows us to select different types of records
 829    */
 830   function generateRecordListBox($selected,$name)
 831   {
 832     $str = "<select name='".$name."' id='".$name."'>";
 833     foreach($this->RecordTypes as $type => $value){
 834       $use = "";
 835       if($type == $selected){
 836         $use = " selected ";
 837       }
 838       $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
 839     }
 840     $str.="</select>";
 841     return($str);
 842   }
 843
 844
 845   /* Return plugin informations for acl handling  */
 846   static function plInfo()
 847   {
 848     $tmp =  array(
 849         "plShortName"   => _("DNS"),
 850         "plDescription" => _("DNS settings"),
 851         "plSelfModify"  => FALSE,
 852         "plDepends"     => array(),
 853         "plPriority"    => 5,
 854         "plSection"     => array("administration"),
 855         "plCategory"    => array("workstation","terminal","phone","server","component","printer","winworkstation"),
 856
 857         "plProvidedAcls"=> array(
 858           "ipHostNumber"  => _("IP address"),
 859           "macAddress"    => _("MAC address"))
 860         );
 861
 862     /* Hide all dns specific code, if dns is not available
 863      */
 864     $config = session::get('config');
 865     foreach($config->data['TABS']['SERVERSERVICE'] as $tab){
 866       if(preg_match("/^servdns$/",$tab['CLASS'])){
 867         $tmp['plProvidedAcls']["Records"]        = _("DNS records");
 868         $tmp['plProvidedAcls']["zoneName"]       = _("Zone name");
 869         $tmp['plProvidedAcls']["dNSTTL"]         = _("TTL");
 870         break;
 871       }
 872     }
 873     return($tmp);
 874   }
 875
 876
 877   function get_dhcp_host_entry()
 878   {
 879     $attrs = array();
 880     $dn = $this->get_dhcp_host_entry_dn();
 881     if($dn){
 882       $ldap = $this->config->get_ldap_link();
 883       $ldap->cd($this->config->current['BASE']);
 884       $ldap->cat($dn,array("*"));
 885       if($ldap->count()){
 886         $attrs = $ldap->fetch();
 887         foreach($attrs as $key => $value){
 888           if(is_numeric($key) || ($key == "count")){
 889             unset($attrs[$key]);
 890           }
 891           if(is_array($value) && isset($value['count'])){
 892             unset($attrs[$key]['count']);
 893           }
 894         }
 895       }
 896     }
 897     return($attrs);
 898   }
 899
 900
 901   function get_dhcp_host_entry_dn()
 902   {
 903     $ldap = $this->config->get_ldap_link();
 904     $ldap->cd($this->config->current['BASE']);
 905     $ldap->search ("(&(objectClass=dhcpHost)(cn=".$this->cn."))",array("cn","dn"));
 906
 907     if($ldap->count()){
 908       $attr = $ldap->fetch();
 909       return($attr['dn']);
 910     }else{
 911       return("");
 912     }
 913   }
 914
 915
 916   function get_dhcp_parent_node()
 917   {
 918     return(preg_replace("/^cn=".normalizePreg($this->cn).",/","",$this->get_dhcp_host_entry_dn()));
 919   }
 920
 921
 922   function get_dhcp_parent_nodes()
 923   {
 924     $ldap = $this->config->get_ldap_link();
 925     $ldap->cd($this->config->current['BASE']);
 926     $ldap->search("(objectClass=dhcpService)",array("dhcpPrimaryDN"));
 927
 928     $dhcp_dns = array();
 929     while($attr = $ldap->fetch()){
 930       $dhcp_dns[$attr['dn']] = $attr['dhcpPrimaryDN'][0];
 931     }
 932
 933     foreach($dhcp_dns as $key => $pri_dns){
 934       $ldap->cat($pri_dns,array("cn"));
 935       $tmp = $ldap->fetch();
 936       if(isset($tmp['cn'][0])){
 937         $dhcp_dns[$key] = $tmp['cn'][0];
 938       }else{
 939         unset($dhcp_dns[$key]);
 940       }
 941     }
 942
 943     $tmp = $tmp2 = array();
 944     foreach($dhcp_dns as $dn => $cn){
 945       $ldap->cd($dn);
 946       $ldap->search("(|(objectClass=dhcpService)(objectClass=dhcpGroup)".
 947                     "(objectClass=dhcpSubnet)(objectClass=dhcpSharedNetwork))",array("cn"));
 948       while($attr = $ldap->fetch()){
 949         $tmp[$attr['dn']] = $attr['cn'][0];
 950       }
 951       $tmp2 = array_merge($tmp2,$this->create_tree($tmp,preg_replace("/^[^,]+,/i","",$dn),"(".$cn.")&nbsp;"));
 952     }
 953     return($tmp2);
 954   }
 955
 956
 957   /* this function returns the default ptr record entry */
 958   function get_pTRRecord()
 959   {
 960     if(!empty($this->ipHostNumber) && isset($this->dnsEntry['zoneName']) && !empty($this->dnsEntry['zoneName'])){
 961       $ldap = $this->config->get_ldap_link();
 962       $ldap->cat(DNS::getDNSZoneDN($this->config,$this->dnsEntry['zoneName']));
 963       $attrs = $ldap->fetch();
 964       $tmp = array_flip($this->Zones);
 965       $tmp = preg_replace("/^[^\/]*+\//","",$tmp[$this->dnsEntry['zoneName']]);
 966       $tmp = trim(preg_replace("/\.in-addr.arpa$/","",$tmp));
 967       $ptr = preg_replace("/^".normalizePreg(DNS::FlipIp($tmp))."\./","",$this->ipHostNumber);
 968       return($ptr);
 969     }else{
 970       return(FALSE);
 971     }
 972   }
 973
 974
 975   function generateRandomIP($net = "")
 976   {
 977     $str = $net;
 978     $cnt = 4;
 979     while(substr_count($str,".") < 3 && $cnt > 0){
 980       $str .= ".".rand(0,255);
 981       $str = preg_replace("/\.\.*/",".",$str);
 982       $str = trim($str,". ");
 983       $cnt --;
 984     }
 985     return($str);
 986   }
 987
 988
 989   function create_tree($arr,$base,$current = "")
 990   {
 991     $ret = array();
 992     foreach($arr as $r => $name){
 993       $base_part = str_replace($base,"",$r);
 994       if(preg_match("/^[a-z]*=".normalizePreg($name)."(|,)$/i",$base_part)){
 995         $ret[$r] = $current.$name;
 996         $tmp = $this->create_tree($arr,$r,$current.".&nbsp;");
 997         foreach($tmp as $sub_key => $sub_name){
 998           $ret[$sub_key] = $sub_name;
 999         }
1000       }
1001     }
1002     return($ret);
1003   }
1004
1005   function force_dns()
1006   {
1007     if($this->DNSenabled){
1008
1009       /* Only force DNS account, if we have at least on dns Zone */
1010       if(count($this->Zones)){
1011         $this->DNS_is_account  = TRUE;
1012         $this->hide_dns_check_box = TRUE;
1013       }
1014     }
1015   }
1016 }
1017
1018 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1019 ?>