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
   8   /* Basic informations
   9    */
  10   var $attributes     = array("ipHostNumber","macAddress");
  11   var $objectclasses  = array("whatever");
  12
  13   var $ipHostNumber   = "";    // IP address
  14   var $macAddress     = "";    // Mac address
  15
  16   var $orig_ipHostNumber   = "";    // IP address
  17   var $orig_macAddress     = "";    // Mac address
  18
  19   var $cn             = "";    // CN of currently edited device
  20   var $OrigCn         = "";    // Initial cn
  21   var $IPisMust       = false;
  22   var $MACisMust      = false;
  23   var $dialog         = false;
  24
  25   /* DCHP Attributes
  26    */
  27   var $dhcpAttributes           = array("dhcpParentNode");
  28   var $dhcpEnabled              = FALSE;
  29   var $dhcp_is_Account          = FALSE;
  30   var $dhcpParentNodes          = array();
  31   var $dhcpParentNode           = "";
  32   var $dhcpHostEntry            = array();
  33   var $initial_dhcpParentNode   = "";
  34   var $initial_dhcpHostEntry    = array();
  35   var $initial_dhcp_is_Account  = FALSE;
  36
  37   var $used_ip_mac              = array();
  38
  39   /* DNS attributes
  40    */
  41   var $DNSattributes            = array("dNSClass","zoneName","dNSTTL");
  42   var $DNS_is_account           = false;
  43   var $initially_was_account = false;
  44   var $dnsEntry                 = array();
  45   var $DNSenabled               = false;
  46   var $hide_dns_check_box       = FALSE;
  47
  48   /*  Terminal dns
  49    */
  50   function termDNS (&$config, $parent,$objectClasses,$IPisMust = false)
  51   {
  52     /* We need to know which objectClasses are used, to store the ip/mac
  53      * Because of different type of devices
  54      */
  55     $this->parent         = $parent;
  56     $this->objectclasses  =  $objectClasses;
  57     $this->IPisMust       = $IPisMust;
  58
  59     plugin::plugin ($config, $parent->dn);
  60
  61     if(isset($this->attrs['cn'][0])){
  62       $this->OrigCn = preg_replace("/\\\$\$/","",$this->attrs['cn'][0]);
  63       $this->cn = preg_replace("/\\\$\$/","",$this->attrs['cn'][0]);
  64     }
  65
  66
  67     /************
  68      * DHCP
  69      ************/
  70
  71     /* Hide all dhcp specific code, if dhcp plugin is not present in config */
  72     $dhcpEnabled = FALSE;
  73     if($this->config->search("servdhcp","class",array("tabs"))){
  74       $this->dhcpEnabled = TRUE;
  75     }
  76     if($this->dhcpEnabled){
  77       $this->dhcpParentNodes = $this->get_dhcp_parent_nodes();
  78       $this->dhcpParentNode  = $this->get_dhcp_parent_node();
  79       if($this->dhcpParentNode){
  80         $this->dhcp_is_Account = TRUE;
  81         $this->initial_dhcp_is_Account = TRUE;
  82         $this->dhcpHostEntry  = $this->get_dhcp_host_entry();
  83       }
  84       $this->initial_dhcpHostEntry = $this->dhcpHostEntry;
  85       $this->initial_dhcpParentNode= $this->dhcpParentNode;
  86     }
  87
  88
  89     /************
  90      * DNS
  91      ************/
  92
  93     /* Hide all dns specific code, if dns is not available
  94      */
  95     $DNSenabled = false;
  96     foreach($this->config->data['TABS']['SERVERSERVICE'] as $tab){
  97       if(preg_match("/^servdns$/",$tab['CLASS'])){
  98         $this->DNSenabled = true;
  99       }
 100     }
 101     if(!$this->DNSenabled){
 102       $this->DNS_is_account = false;
 103       return;
 104     }
 105
 106     if($this->DNSenabled){
 107
 108       /* Get Zones
 109        */
 110       $this->Zones        = DNS::getAvailableZones($config);
 111
 112       /* Get Entry
 113        */
 114       $this->dnsEntry     = DNS::getDNSHostEntries($config,$this->OrigCn);
 115
 116       /* Remove A record which equals $this->ipHostNumber
 117        */
 118       $ptr = $this->get_pTRRecord();
 119       foreach($this->dnsEntry['RECORDS'] as $key => $rec){
 120         if(($rec['type'] == "aRecord") && ($rec['value'] == $this->ipHostNumber)){
 121           unset($this->dnsEntry['RECORDS'][$key]);
 122         }
 123         if(($rec['type'] == "pTRRecord") && ($rec['value'] == $ptr)){
 124           unset($this->dnsEntry['RECORDS'][$key]);
 125         }
 126       }
 127
 128       /* Get Record types
 129        */
 130       $this->RecordTypes  = DNS::getDnsRecordTypes();
 131
 132       /* If there is at least one entry in this -> types, we have DNS enabled
 133        */
 134       if($this->dnsEntry['exists']){
 135         $this->DNS_is_account = true;
 136       }else{
 137         $this->DNS_is_account = false;
 138       }
 139     }
 140
 141     /* Create a list of used mac and ip addresses.
 142
 143        ! We use this optically huge amount of code to fetch all
 144        Mac and IP addresses, because a simple search for mac and IP
 145        over the whole ldap server was 10 to 20 times slower.
 146      */
 147     $deps  = array();
 148     $ou = preg_replace("/,.*$/","",get_ou("systemsou"));
 149     $a_ous = array(get_ou("serverou"),
 150                   get_ou("terminalou"),
 151                   get_ou("workstationou"),
 152                   get_ou("printerou"),
 153                   get_ou("phoneou"),
 154                   get_ou("componentou"));
 155
 156     $ldap = $this->config->get_ldap_link();
 157     $ldap->cd($this->config->current['BASE']);
 158     $ldap->search("(&(objectClass=organizationalUnit)(".$ou."))",array("dn"));
 159     while($attrs = $ldap->fetch()){
 160       foreach($a_ous as $allowed){
 161         $deps[] = $allowed.$attrs['dn'];
 162       }
 163     }
 164
 165     foreach($deps as $dep){
 166       $ldap->cd($dep);
 167       $ldap->search("(|(macAddress=*)(ipHostNumber=*))",array("macAddress","ipHostNumber"));
 168       while($attrs = $ldap->fetch()){
 169         if(isset($attrs['ipHostNumber'][0])){
 170           $this->used_ip_mac["ip:".$attrs['ipHostNumber'][0]] = "ip:".$attrs['ipHostNumber'][0];
 171         }
 172         if(isset($attrs['macAddress'][0])){
 173           $this->used_ip_mac["mac:".$attrs['macAddress'][0]] = "mac:".$attrs['macAddress'][0];
 174         }
 175       }
 176     }
 177
 178     /* Save initial ip and mac values, to be able
 179         check if the used values are already in use */
 180     $this->orig_ipHostNumber   = $this->ipHostNumber;
 181     $this->orig_macAddress     = $this->macAddress;
 182
 183     /* Store initally account settings
 184      */
 185     $this->initially_was_account = $this->DNS_is_account;
 186
 187     if($this->DNS_is_account){
 188       new log("view","unknown/".get_class($this),$this->dn);
 189     }
 190   }
 191
 192
 193   function netmaskIsCoherent($idZone)
 194   {
 195     $netmask = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($idZone)));
 196     if(!strstr($this->ipHostNumber, $netmask)){
 197       return false;
 198     }else{
 199       return true;
 200     }
 201   }
 202
 203
 204   function getVarsForSaving($attrs)
 205   {
 206     foreach($this->attributes as $attr){
 207       if(!empty($this->$attr)){
 208         $attrs[$attr] = $this->$attr;
 209       }
 210     }
 211     return($attrs);
 212   }
 213
 214   function execute()
 215   {
 216           /* Call parent execute */
 217     $smarty= get_smarty();
 218
 219     $tmp = $this->plInfo();
 220     foreach($tmp['plProvidedAcls'] as $name => $translation){
 221       $smarty->assign($name."ACL",$this->getacl($name));
 222     }
 223
 224     $display= "";
 225
 226     $smarty->assign("staticAddress", "");
 227
 228     /* Check for autonet button */
 229     if (isset($_POST['autonet'])){
 230         $d= new gosaSupportDaemon(TRUE, 0.5);
 231         $res= $d->_send("<xml><header>gosa_network_completition</header><source>GOSA</source><target>GOSA</target><hostname>".$this->cn."</hostname></xml>", TRUE);
 232         if (isset($res['XML']['IP'])){
 233                 $this->ipHostNumber= $res['XML']['IP'];
 234         }
 235         if (isset($res['XML']['MAC'])){
 236                 $this->macAddress= $res['XML']['MAC'];
 237         }
 238     }
 239
 240
 241     /**********
 242      * DHCP Handling
 243      **********/
 244
 245     if(isset($_POST['dhcpEditOptions'])){
 246
 247       if(count($this->dhcpHostEntry) == 0){
 248         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 249       }else{
 250         $this->dialog = new dhcpHost($this->dhcpHostEntry,TRUE);
 251       }
 252       $this->dialog->cn = $this->cn;
 253       $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 254       if(!empty($this->ipHostNumber)){
 255         $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 256       }
 257     }
 258
 259     if(isset($_POST['cancel_dhcp'])){
 260       $this->dialog = FALSE;
 261     }
 262
 263     if(isset($_POST['save_dhcp'])){
 264       $this->dialog->save_object();
 265
 266       $msgs = $this->dialog->check(array());
 267       if(count($msgs)){
 268         foreach($msgs as $msg){
 269           print_red($msg);
 270         }
 271       }else{
 272         $this->dhcpHostEntry = $this->dialog->save();
 273         $this->dialog = FALSE;
 274       }
 275     }
 276
 277     if(is_object($this->dialog)){
 278       $this->dialog->save_object();
 279       return($this->dialog->execute());
 280     }
 281
 282     $smarty->assign("dhcpEnabled",    $this->dhcpEnabled);
 283     $smarty->assign("dhcp_is_Account",$this->dhcp_is_Account);
 284     $smarty->assign("dhcpParentNode", $this->dhcpParentNode);
 285     $smarty->assign("dhcpParentNodes",$this->dhcpParentNodes);
 286     $smarty->assign("dhcpParentNodeCnt",count($this->dhcpParentNodes));
 287
 288
 289     /**********
 290      * DNS Handling
 291      **********/
 292
 293     /* There is no dns available
 294      */
 295     $smarty->assign("DNS_is_account",$this->DNS_is_account);
 296     $smarty->assign("DNSenabled",$this->DNSenabled);
 297     if($this->DNSenabled == false){
 298
 299       /* Is IP address must ? */
 300 #      $smarty->assign("DNS_is_account",false);
 301       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 302
 303       /* Assign smarty all non DNs attributes */
 304       foreach($this->attributes as $attr){
 305         $smarty->assign($attr,$this->$attr);
 306       }
 307       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 308
 309       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 310     }else{
 311  #     $smarty->assign("DNS_is_account",true);
 312
 313       /* Add new empty array to our record list */
 314       if(isset($_POST['AddNewRecord'])){
 315         $this->dnsEntry['RECORDS'][]  =array("type"=>"aRecord","value"=>"");
 316       }
 317
 318       /* propose_ip */
 319       if(isset($_POST['propose_ip'])){
 320         foreach($this->Zones as $key => $name){
 321           if($name == $this->dnsEntry['zoneName']){
 322             $net = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($key)));
 323             $this->ipHostNumber = $this->generateRandomIp($net);
 324           }
 325         }
 326       }
 327
 328       /* Handle all posts */
 329       $only_once =true;
 330       foreach($_POST as $name => $value){
 331
 332         /* Check if we have to delete a record entry */
 333         if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
 334
 335           /* Avoid performing this once again */
 336           $only_once = false;
 337
 338           /* Extract id for specified entry */
 339           $id = preg_replace("/RemoveRecord_/","",$name);
 340           $id = preg_replace("/_.*$/","",$id);
 341
 342           /* Delete this record, mark edited entries to be able to delete them */
 343           if(isset($this->dnsEntry['RECORDS'][$id])){
 344             unset($this->dnsEntry['RECORDS'][$id]);
 345           }
 346         }
 347       }
 348       /* Assign smarty all non DNs attributes */
 349       foreach($this->attributes as $attr){
 350         $smarty->assign($attr,$this->$attr);
 351       }
 352
 353       /* Assign smarty all DNS attributes */
 354       foreach($this->DNSattributes as $attr){
 355         $smarty->assign($attr,$this->dnsEntry[$attr]);
 356       }
 357
 358       /* Assign all needed vars */
 359  #     $smarty->assign("DNSAccount",$this->DNS_is_account);
 360       $smarty->assign("hide_dns_check_box",$this->hide_dns_check_box);
 361
 362       $smarty->assign("Zones",$this->Zones);
 363       $smarty->assign("ZoneCnt",count($this->Zones));
 364       $smarty->assign("ZoneKeys",($this->Zones));
 365       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 366
 367       /* Create zone array */
 368       $idZones = array();
 369       foreach($this->Zones as $id => $zone){
 370         if($this->netmaskIsCoherent($id)) {
 371           $idZones[$id] = $zone;
 372         }else{
 373           $idZones[$id] = $zone."&nbsp;("._("Not matching").")";
 374         }
 375       }
 376       $smarty->assign("Zones",$idZones);
 377       $smarty->assign("ZoneKeys", $this->Zones);
 378
 379       $tmp = $this->generateRecordsList();
 380
 381       $changeStateForRecords = $tmp['changeStateForRecords'];
 382
 383       $smarty->assign("records",$tmp['str']);
 384       $smarty->assign("changeStateForRecords",$changeStateForRecords);
 385       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 386
 387       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 388     }
 389     return($display);
 390   }
 391
 392
 393   function remove_from_parent()
 394   {
 395     if($this->initially_was_account){
 396
 397       $ldap = $this->config->get_ldap_link();
 398
 399       $tmp = array();
 400       $this->dnsEntry['exists'] = false;
 401       $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 402
 403       /* Delete dns */
 404       foreach($tmp['del'] as $dn => $del){
 405         $ldap->cd($dn);
 406         $ldap->rmdir_recursive($dn);
 407         new log("remove","unknown/".get_class($this),$dn);
 408       }
 409     }
 410   }
 411
 412
 413   /* Save data to object */
 414   function save_object()
 415   {
 416
 417     if(isset($_POST['network_tpl_posted'])){
 418
 419       /* Save all posted vars */
 420       plugin::save_object();
 421
 422       /* Handle DHCP Posts*/
 423       if($this->dhcpEnabled && isset($_POST['network_tpl_posted'])){
 424         foreach($this->dhcpAttributes as $attr){
 425           if(isset($_POST[$attr])){
 426             $this->$attr = $_POST[$attr];
 427           }
 428         }
 429         if(isset($_POST['dhcp_is_Account'])){
 430           $this->dhcp_is_Account = TRUE;
 431         }else{
 432           $this->dhcp_is_Account = FALSE;
 433         }
 434       }
 435
 436       /* Ge all non dns attributes (IP/MAC)*/
 437       foreach($this->attributes as $attr){
 438         if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 439           $this->$attr = $_POST[$attr];
 440         }
 441       }
 442
 443       /* Check if DNS should be enabled / disabled */
 444       if($this->DNS_is_account && $this->acl_is_removeable() && !isset($_POST['DNS_is_account'])){
 445         $this->DNS_is_account = false;
 446       }elseif(!$this->DNS_is_account && $this->acl_is_createable() && isset($_POST['DNS_is_account'])){
 447         $this->DNS_is_account = true;
 448       }
 449
 450       /* Get dns attributes */
 451       if(($this->DNSenabled) && (isset($_POST['network_tpl_posted']))){
 452
 453         /* Check for posted record changes */
 454         if(is_array($this->dnsEntry['RECORDS']) && $this->acl_is_writeable("Records")){
 455           foreach($this->dnsEntry['RECORDS'] as $key => $value){
 456
 457             /* Check if type has changed */
 458             if(isset($_POST['RecordTypeSelectedFor_'.$key])){
 459               $this->dnsEntry['RECORDS'][$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
 460             }
 461             /* Check if value has changed */
 462             if(isset($_POST['RecordValue_'.$key])){
 463               $this->dnsEntry['RECORDS'][$key]['value'] = $_POST['RecordValue_'.$key];
 464             }
 465           }
 466         }
 467         /* Get all basic DNS attributes (TTL, Clas ..)*/
 468         foreach($this->DNSattributes as $attr){
 469           if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 470             $this->dnsEntry[$attr] = $_POST[$attr];
 471           }
 472         }
 473
 474
 475       }
 476       if($this->hide_dns_check_box){
 477         $this->DNS_is_account = true;
 478       }
 479     }
 480   }
 481
 482
 483   /* Check supplied data */
 484   function check()
 485   {
 486     /* Call common method to give check the hook */
 487     $message= plugin::check();
 488
 489     if($this->dhcpEnabled && $this->dhcp_is_Account && $this->dhcpParentNode != "" && count($this->dhcpHostEntry) == 0){
 490 #      $message[] =_("You have not configured your dhcp settings yet.");
 491     }
 492
 493     /* Check if mac and ip are already used */
 494     if(!empty($this->ipHostNumber) && $this->DNS_is_account &&
 495         $this->ipHostNumber != $this->orig_ipHostNumber &&
 496         in_array("ip:".$this->ipHostNumber,$this->used_ip_mac)){
 497       $message[] =_("The specified IP address is already in use.");
 498     }
 499     if(!empty($this->macAddress) && $this->dhcp_is_Account &&
 500         $this->macAddress != $this->orig_macAddress &&
 501         in_array("mac:".$this->macAddress,$this->used_ip_mac)){
 502       print_red(sprintf(_("The specified MAC address '%s' for this system '%s' is already in use."),$this->macAddress,$this->cn));
 503     }
 504
 505     /* Check if ip must be given
 506      */
 507     if(($this->IPisMust)||($this->DNS_is_account)){
 508       if (empty($this->ipHostNumber)){
 509         $message[]= _("The required field 'IP-address' is not set.");
 510       }
 511
 512       if (!tests::is_ip($this->ipHostNumber)){
 513         $message[]= _("Wrong IP format in field IP-address.");
 514       }
 515     }
 516
 517     /* Check if mac is empty
 518      */
 519     if ($this->macAddress == "" ){
 520       $message[]= _("The required field 'MAC-address' is not set.");
 521     }
 522     if(!tests::is_mac($this->macAddress)){
 523       $message[]=(_("The given macaddress is invalid. There must be 6 2byte segments seperated by ':'."));
 524     }
 525
 526     /* only perfrom this checks if this is a valid DNS account */
 527     if($this->DNS_is_account){
 528
 529       $checkArray = array();
 530       $onlyOnce   = array();
 531
 532       //  $onlyOnce['cNAMERecord'] = 0;
 533        $tmp = array_flip($this->Zones);
 534        $tmp2 = $tmp[$this->dnsEntry['zoneName']];
 535        if(!$this->netmaskIsCoherent($tmp2)){ //this->dnsEntry['zoneName'])){
 536          $tmp2 = preg_replace("/^.*\//","",$tmp2);
 537          $message[] =sprintf(_("The specified IP address '%s' is not matching the selected reverse zone entry '%s'."),$this->ipHostNumber,$tmp2);
 538        }
 539
 540       /* Walk through all entries and detect duplicates or mismatches
 541        */
 542       foreach($this->dnsEntry['RECORDS'] as $name => $values){
 543
 544         /* Count record values, to detect duplicate entries for a specific record
 545          */
 546         if(!isset($checkArray[$values['type']][$values['value']])){
 547           $checkArray[$values['type']][$values['value']] = 0;
 548         }else{
 549           $message[] = sprintf(_("Found duplicate value for record type '%s'."),$values['type']);
 550         }
 551
 552         /* Check if given entries in $onlyOnce are used more than once
 553          */
 554         if(isset($onlyOnce[$values['type']])){
 555           $onlyOnce[$values['type']] ++;
 556           if($onlyOnce[$values['type']] > 1){
 557             $message[] = sprintf(_("Found more than one entry for the uniqe record type '%s'."),$values['type']);
 558           }
 559         }
 560
 561         /* Skip txt record ...
 562          */
 563         if($values['type'] == "tXTRecord") continue;
 564
 565         /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress
 566          */
 567         if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)){
 568           $message[]=sprintf(_("The device IP '%s' is added as 'A Record', this will be done automatically, please remove the record."),
 569                $this->ipHostNumber);
 570         }
 571
 572         /* only lower-case is allowed in record entries ...
 573          */
 574         if($values['value'] != strtolower($values['value'])){
 575           $message[] = sprintf(_("Only lowercase is allowed, please check your '%ss'."),$values['type']);
 576         }
 577       }
 578     }
 579     return ($message);
 580   }
 581
 582
 583   /* Save to LDAP */
 584   function save()
 585   {
 586     $ldap= $this->config->get_ldap_link();
 587
 588     $dn = $this->parent->dn;
 589
 590     /*******************/
 591     /* IP-MAC HANDLING */
 592     /*******************/
 593
 594     /* $dn was posted as parameter */
 595     $this->dn = $dn;
 596
 597     /* Save DNS setting & ip/Mac*/
 598     plugin::save();
 599
 600     /* Write back to ldap */
 601     $ldap->cd($this->dn);
 602     $this->cleanup();
 603     $ldap->modify ($this->attrs);
 604
 605     /****************/
 606     /* DHCP HANDLING */
 607     /****************/
 608
 609     /* New entry */
 610     if($this->dhcpEnabled){
 611
 612       if(count($this->dhcpHostEntry) == 0){
 613         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 614         $this->dialog->cn = $this->cn;
 615         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 616         if(!empty($this->ipHostNumber)){
 617           $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 618         }
 619         $this->dialog->execute();
 620         $this->dialog->save_object();
 621         $this->dhcpHostEntry = $this->dialog->save();
 622         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
 623           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
 624         }
 625       }
 626
 627       if(count($this->dhcpHostEntry) == 0){
 628         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 629         $this->dialog->cn = $this->cn;
 630         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 631         if(!empty($this->ipHostNumber)){
 632           $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 633         }
 634         $this->dialog->execute();
 635         $this->dialog->save_object();
 636         $this->dhcpHostEntry = $this->dialog->save();
 637         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
 638           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
 639         }
 640       }
 641
 642       /* Write mac address to dhcp settings */
 643       if($this->dhcp_is_Account){
 644         if(!isset($this->dhcpHostEntry['dhcpHWAddress'][0]) ||
 645             !preg_match("/ethernet ".$this->macAddress."/",$this->dhcpHostEntry['dhcpHWAddress'][0])){
 646           $this->dhcpHostEntry['dhcpHWAddress'] = array("ethernet ".$this->macAddress);
 647           $this->dhcpHostEntry['MODIFIED'] = TRUE;
 648         }
 649       }
 650
 651
 652       /* Unset dhcpStatements if this attribute is empty  */
 653       if(isset($this->dhcpHostEntry['dhcpStatements']) &&
 654           ($this->dhcpHostEntry['dhcpStatements'] == "" || count($this->dhcpHostEntry['dhcpStatements']) == 0) ){
 655         unset($this->dhcpHostEntry['dhcpStatements']);
 656       }
 657
 658       /* DHCP removed */
 659       if($this->initial_dhcp_is_Account && !$this->dhcp_is_Account){
 660         $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 661         show_ldap_error($ldap->get_error(),_("Removing dhcp entry for this object failed."));
 662
 663         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 664         $tmp->handle_post_events("remove");
 665       }
 666
 667       /* DHCP Added */
 668       if(!$this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 669         $attrs = $this->dhcpHostEntry;
 670         unset($attrs['MODIFIED']);
 671         unset($attrs['dn']);
 672         $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 673         $res = $ldap->add($attrs);
 674
 675         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 676         $tmp->handle_post_events("add");
 677
 678         show_ldap_error($ldap->get_error(),_("Tried to add new dhcp entry failed."));
 679       }
 680
 681       /* DHCP still activated */
 682       if($this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 683
 684         /* DHCP node changed */
 685         if(($this->initial_dhcpParentNode != $this->dhcpParentNode) ||
 686            ($this->cn != $this->OrigCn)){
 687           $attrs = $this->dhcpHostEntry;
 688           $attrs['cn'] = $this->cn;
 689           unset($attrs['dn']);
 690           unset($attrs['MODIFIED']);
 691           $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 692           $res = $ldap->add($attrs);
 693
 694           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 695           $tmp->handle_post_events("modify");
 696
 697           show_ldap_error($ldap->get_error(),_("Tried to add new dhcp entry failed."));
 698           if($res){
 699             $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 700             show_ldap_error($ldap->get_error(),_("Removing old dhcp entry failed."));
 701           }
 702         }
 703
 704         /* SAME node but modified */
 705         if(isset($this->dhcpHostEntry['MODIFIED']) && $this->dhcpHostEntry['MODIFIED'] == 1  &&
 706             $this->initial_dhcpParentNode == $this->dhcpParentNode){
 707           $attrs = $this->dhcpHostEntry;
 708           unset($attrs['dn']);
 709           unset($attrs['MODIFIED']);
 710           $ldap->cd($this->dhcpHostEntry['dn']);
 711           $ldap->modify($attrs);
 712
 713           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 714           $tmp->handle_post_events("modify");
 715
 716           show_ldap_error($ldap->get_error(),_("Modifying dhcp entry failed."));
 717         }
 718       }
 719     }
 720     $this->dialog = FALSE;
 721
 722     /****************/
 723     /* DNS HANDLING */
 724     /****************/
 725
 726     /* If isn't DNS account but initially was DNS account
 727        remove all DNS entries
 728      */
 729     if((!$this->DNSenabled) || ((!$this->DNS_is_account)&&(!$this->initially_was_account))){
 730       return;
 731     }else{
 732
 733       /* Add ipHostNumber to aRecords
 734        */
 735       $backup_dnsEntry = $this->dnsEntry;
 736       if(!empty($this->ipHostNumber)){
 737         $this->dnsEntry['RECORDS'][] = array("type"=>"aRecord","value"=>$this->ipHostNumber);
 738         $ptr = $this->get_pTRRecord();
 739         if(!empty($ptr)){
 740           $this->dnsEntry['RECORDS'][] = array("type"=>"pTRRecord","value"=>$ptr);
 741         }
 742       }
 743
 744       /* Create diff and follow instructions
 745        * If Account was disabled, remove account by setting exists to false
 746        */
 747       if((!$this->DNS_is_account)&&($this->initially_was_account)){
 748         $this->dnsEntry['exists'] = false;
 749         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 750       }else{
 751         $this->dnsEntry['exists'] = $this->DNS_is_account;
 752         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 753       }
 754
 755       /* move follwoing entries
 756        */
 757       foreach($tmp['move'] as $src => $dst){
 758         $this->recursive_move($src,$dst);
 759       }
 760
 761       /* Delete dns */
 762       foreach($tmp['del'] as $dn => $del){
 763         $ldap->cd($dn);
 764         $ldap->rmdir_recursive($dn);
 765         new log("modify","unknown/".get_class($this),$dn,array("*"),$ldap->get_error());
 766       }
 767
 768       /* Add || Update new DNS entries
 769        */
 770       foreach($tmp['add'] as $dn => $attrs){
 771         $ldap->cd($dn);
 772         $ldap->cat($dn, array('dn'));
 773         if(count($ldap->fetch())){
 774           $ldap->cd($dn);
 775           $ldap->modify ($attrs);
 776         }else{
 777           $ldap->cd($dn);
 778           $ldap->add($attrs);
 779         }
 780         new log("modify","unknown/".get_class($this),$dn,array_keys($attrs),$ldap->get_error());
 781       }
 782
 783
 784       /* Display errors
 785        */
 786       if($ldap->get_error() != "Success"){
 787         show_ldap_error($ldap->get_error(), sprintf(_("Saving of terminal/dns account with dn '%s' failed."),$this->dn));
 788       }
 789
 790       $tmp2 = new servdns($this->config,$this->dn);
 791       $tmp2->handle_post_events("modify");
 792
 793       $this->dnsEntry =  $backup_dnsEntry;
 794     }
 795   }
 796
 797   /*  Create html table with all used record types
 798    */
 799   function generateRecordsList()
 800   {
 801     $changeStateForRecords = "";
 802
 803     if(!$this->DNS_is_account) {
 804       $str = "<input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord' disabled='disabled'>";
 805       return(array("str" => $str, "changeStateForRecords"=> ""));
 806     }
 807
 808     $str = "<table summary='' width='100%'>";
 809     foreach($this->dnsEntry['RECORDS'] as $key => $entry){
 810
 811         $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
 812         $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
 813         $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
 814
 815         $str.=" <tr>".
 816           "   <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
 817           "   <td><input type='text' value='".$entry['value']."' name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
 818           "   <td><input type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
 819           "</tr>";
 820     }
 821
 822     $str.= "  <tr>".
 823            "    <td colspan=2 width='50%'></td><td>".
 824            "      <input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord'>".
 825            "    </td>".
 826            "  </tr>".
 827            "</table>";
 828      $ret =  array("str" => $str, "changeStateForRecords" => $changeStateForRecords);
 829     return($ret);
 830   }
 831
 832
 833   /* Create a html select box which allows us to select different types of records
 834    */
 835   function generateRecordListBox($selected,$name)
 836   {
 837     $str = "<select name='".$name."' id='".$name."'>";
 838     foreach($this->RecordTypes as $type => $value){
 839       $use = "";
 840       if($type == $selected){
 841         $use = " selected ";
 842       }
 843       $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
 844     }
 845     $str.="</select>";
 846     return($str);
 847   }
 848
 849
 850   /* Return plugin informations for acl handling  */
 851   static function plInfo()
 852   {
 853     $tmp =  array(
 854         "plShortName"   => _("DNS"),
 855         "plDescription" => _("DNS settings"),
 856         "plSelfModify"  => FALSE,
 857         "plDepends"     => array(),
 858         "plPriority"    => 5,
 859         "plSection"     => array("administration"),
 860         "plCategory"    => array("workstation","terminal","phone","server","component","printer","winworkstation"),
 861
 862         "plProvidedAcls"=> array(
 863           "ipHostNumber"  => _("IP address"),
 864           "macAddress"    => _("MAC address"))
 865         );
 866
 867     /* Hide all dns specific code, if dns is not available
 868      */
 869     $config = session::get('config');
 870     foreach($config->data['TABS']['SERVERSERVICE'] as $tab){
 871       if(preg_match("/^servdns$/",$tab['CLASS'])){
 872         $tmp['plProvidedAcls']["Records"]        = _("DNS records");
 873         $tmp['plProvidedAcls']["zoneName"]       = _("Zone name");
 874         $tmp['plProvidedAcls']["dNSTTL"]         = _("TTL");
 875         break;
 876       }
 877     }
 878     return($tmp);
 879   }
 880
 881
 882   function get_dhcp_host_entry()
 883   {
 884     $attrs = array();
 885     $dn = $this->get_dhcp_host_entry_dn();
 886     if($dn){
 887       $ldap = $this->config->get_ldap_link();
 888       $ldap->cd($this->config->current['BASE']);
 889       $ldap->cat($dn,array("*"));
 890       if($ldap->count()){
 891         $attrs = $ldap->fetch();
 892         foreach($attrs as $key => $value){
 893           if(is_numeric($key) || ($key == "count")){
 894             unset($attrs[$key]);
 895           }
 896           if(is_array($value) && isset($value['count'])){
 897             unset($attrs[$key]['count']);
 898           }
 899         }
 900       }
 901     }
 902     return($attrs);
 903   }
 904
 905
 906   function get_dhcp_host_entry_dn()
 907   {
 908     $ldap = $this->config->get_ldap_link();
 909     $ldap->cd($this->config->current['BASE']);
 910     $ldap->search ("(&(objectClass=dhcpHost)(cn=".$this->cn."))",array("cn","dn"));
 911
 912     if($ldap->count()){
 913       $attr = $ldap->fetch();
 914       return($attr['dn']);
 915     }else{
 916       return("");
 917     }
 918   }
 919
 920
 921   function get_dhcp_parent_node()
 922   {
 923     return(preg_replace("/^cn=".normalizePreg($this->cn).",/","",$this->get_dhcp_host_entry_dn()));
 924   }
 925
 926
 927   function get_dhcp_parent_nodes()
 928   {
 929     $ldap = $this->config->get_ldap_link();
 930     $ldap->cd($this->config->current['BASE']);
 931     $ldap->search("(objectClass=dhcpService)",array("dhcpPrimaryDN"));
 932
 933     $dhcp_dns = array();
 934     while($attr = $ldap->fetch()){
 935       $dhcp_dns[$attr['dn']] = $attr['dhcpPrimaryDN'][0];
 936     }
 937
 938     foreach($dhcp_dns as $key => $pri_dns){
 939       $ldap->cat($pri_dns,array("cn"));
 940       $tmp = $ldap->fetch();
 941       if(isset($tmp['cn'][0])){
 942         $dhcp_dns[$key] = $tmp['cn'][0];
 943       }else{
 944         unset($dhcp_dns[$key]);
 945       }
 946     }
 947
 948     $tmp = $tmp2 = array();
 949     foreach($dhcp_dns as $dn => $cn){
 950       $ldap->cd($dn);
 951       $ldap->search("(|(objectClass=dhcpService)(objectClass=dhcpGroup)".
 952                     "(objectClass=dhcpSubnet)(objectClass=dhcpSharedNetwork))",array("cn"));
 953       while($attr = $ldap->fetch()){
 954         $tmp[$attr['dn']] = $attr['cn'][0];
 955       }
 956       $tmp2 = array_merge($tmp2,$this->create_tree($tmp,preg_replace("/^[^,]+,/i","",$dn),"(".$cn.")&nbsp;"));
 957     }
 958     return($tmp2);
 959   }
 960
 961
 962   /* this function returns the default ptr record entry */
 963   function get_pTRRecord()
 964   {
 965     if(!empty($this->ipHostNumber) && isset($this->dnsEntry['zoneName']) && !empty($this->dnsEntry['zoneName'])){
 966       $ldap = $this->config->get_ldap_link();
 967       $ldap->cat(DNS::getDNSZoneDN($this->config,$this->dnsEntry['zoneName']));
 968       $attrs = $ldap->fetch();
 969       $tmp = array_flip($this->Zones);
 970       $tmp = preg_replace("/^[^\/]*+\//","",$tmp[$this->dnsEntry['zoneName']]);
 971       $tmp = trim(preg_replace("/\.in-addr.arpa$/","",$tmp));
 972       $ptr = preg_replace("/^".normalizePreg(DNS::FlipIp($tmp))."\./","",$this->ipHostNumber);
 973       return($ptr);
 974     }else{
 975       return(FALSE);
 976     }
 977   }
 978
 979
 980   function generateRandomIP($net = "")
 981   {
 982     $str = $net;
 983     $cnt = 4;
 984     while(substr_count($str,".") < 3 && $cnt > 0){
 985       $str .= ".".rand(0,255);
 986       $str = preg_replace("/\.\.*/",".",$str);
 987       $str = trim($str,". ");
 988       $cnt --;
 989     }
 990     return($str);
 991   }
 992
 993
 994   function create_tree($arr,$base,$current = "")
 995   {
 996     $ret = array();
 997     foreach($arr as $r => $name){
 998       $base_part = str_replace($base,"",$r);
 999       if(preg_match("/^[a-z]*=".normalizePreg($name)."(|,)$/i",$base_part)){
1000         $ret[$r] = $current.$name;
1001         $tmp = $this->create_tree($arr,$r,$current.".&nbsp;");
1002         foreach($tmp as $sub_key => $sub_name){
1003           $ret[$sub_key] = $sub_name;
1004         }
1005       }
1006     }
1007     return($ret);
1008   }
1009
1010   function force_dns()
1011   {
1012     if($this->DNSenabled){
1013
1014       /* Only force DNS account, if we have at least on dns Zone */
1015       if(count($this->Zones)){
1016         $this->DNS_is_account  = TRUE;
1017         $this->hide_dns_check_box = TRUE;
1018       }
1019     }
1020   }
1021 }
1022
1023 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1024 ?>