gosa-core/plugins/admin/systems/services/dns/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;
  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       $this->Zones        = getAvailableZones($config);
 122
 123       /* Get Entry
 124        */
 125       $this->dnsEntry     = getDNSHostEntries($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       $this->RecordTypes  = getDnsRecordTypes();
 142
 143       /* If there is at least one entry in this -> types, we have DNS enabled
 144        */
 145       if($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     $netmask = FlipIp(str_replace(".in-addr.arpa","",getNameFromMix($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     if($this->DNSenabled == false){
 291
 292       /* Is IP address must ? */
 293       $smarty->assign("DNS_is_account",false);
 294       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 295
 296       /* Assign smarty all non DNs attributes */
 297       foreach($this->attributes as $attr){
 298         $smarty->assign($attr,$this->$attr);
 299       }
 300       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 301
 302       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 303     }else{
 304       $smarty->assign("DNS_is_account",true);
 305
 306       /* Add new empty array to our record list */
 307       if(isset($_POST['AddNewRecord'])){
 308         $this->dnsEntry['RECORDS'][]  =array("type"=>"aRecord","value"=>"");
 309       }
 310
 311       /* propose_ip */
 312       if(isset($_POST['propose_ip'])){
 313         foreach($this->Zones as $key => $name){
 314           if($name == $this->dnsEntry['zoneName']){
 315             $net = FlipIp(str_replace(".in-addr.arpa","",getNameFromMix($key)));
 316             $this->ipHostNumber = $this->generateRandomIp($net);
 317           }
 318         }
 319       }
 320
 321       /* Handle all posts */
 322       $only_once =true;
 323       foreach($_POST as $name => $value){
 324
 325         /* Check if we have to delete a record entry */
 326         if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
 327
 328           /* Avoid performing this once again */
 329           $only_once = false;
 330
 331           /* Extract id for specified entry */
 332           $id = preg_replace("/RemoveRecord_/","",$name);
 333           $id = preg_replace("/_.*$/","",$id);
 334
 335           /* Delete this record, mark edited entries to be able to delete them */
 336           if(isset($this->dnsEntry['RECORDS'][$id])){
 337             unset($this->dnsEntry['RECORDS'][$id]);
 338           }
 339         }
 340       }
 341       /* Assign smarty all non DNs attributes */
 342       foreach($this->attributes as $attr){
 343         $smarty->assign($attr,$this->$attr);
 344       }
 345
 346       /* Assign smarty all DNS attributes */
 347       foreach($this->DNSattributes as $attr){
 348         $smarty->assign($attr,$this->dnsEntry[$attr]);
 349       }
 350
 351       /* Assign all needed vars */
 352       $smarty->assign("DNSAccount",$this->DNS_is_account);
 353       $smarty->assign("hide_dns_check_box",$this->hide_dns_check_box);
 354
 355       $smarty->assign("Zones",$this->Zones);
 356       $smarty->assign("ZoneCnt",count($this->Zones));
 357       $smarty->assign("ZoneKeys",($this->Zones));
 358       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 359
 360       /* Create zone array */
 361       $idZones = array();
 362       foreach($this->Zones as $id => $zone){
 363         if($this->netmaskIsCoherent($id)) {
 364           $idZones[$id] = $zone;
 365         }else{
 366           $idZones[$id] = $zone."&nbsp;("._("Not matching").")";
 367         }
 368       }
 369       $smarty->assign("Zones",$idZones);
 370       $smarty->assign("ZoneKeys", $this->Zones);
 371
 372       $tmp = $this->generateRecordsList();
 373
 374       $changeStateForRecords = $tmp['changeStateForRecords'];
 375
 376       $smarty->assign("records",$tmp['str']);
 377       $smarty->assign("changeStateForRecords",$changeStateForRecords);
 378       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 379
 380       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 381     }
 382     return($display);
 383   }
 384
 385
 386   function remove_from_parent()
 387   {
 388     if($this->initially_was_account){
 389
 390       $ldap = $this->config->get_ldap_link();
 391
 392       $tmp = array();
 393       $this->dnsEntry['exists'] = false;
 394       $tmp = getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 395
 396       /* Delete dns */
 397       foreach($tmp['del'] as $dn => $del){
 398         $ldap->cd($dn);
 399         $ldap->rmdir_recursive($dn);
 400         new log("remove","unknown/".get_class($this),$dn);
 401       }
 402     }
 403   }
 404
 405
 406   /* Save data to object */
 407   function save_object()
 408   {
 409
 410     if(isset($_POST['network_tpl_posted'])){
 411
 412       /* Save all posted vars */
 413       plugin::save_object();
 414
 415       /* Handle DHCP Posts*/
 416       if($this->dhcpEnabled && isset($_POST['network_tpl_posted'])){
 417         foreach($this->dhcpAttributes as $attr){
 418           if(isset($_POST[$attr])){
 419             $this->$attr = $_POST[$attr];
 420           }
 421         }
 422         if(isset($_POST['dhcp_is_Account'])){
 423           $this->dhcp_is_Account = TRUE;
 424         }else{
 425           $this->dhcp_is_Account = FALSE;
 426         }
 427       }
 428
 429       /* Ge all non dns attributes (IP/MAC)*/
 430       foreach($this->attributes as $attr){
 431         if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 432           $this->$attr = $_POST[$attr];
 433         }
 434       }
 435
 436       /* Check if DNS should be enabled / disabled */
 437       if($this->DNS_is_account && $this->acl_is_removeable() && !isset($_POST['DNS_is_account'])){
 438         $this->DNS_is_account = false;
 439       }elseif(!$this->DNS_is_account && $this->acl_is_createable() && isset($_POST['DNS_is_account'])){
 440         $this->DNS_is_account = true;
 441       }
 442
 443       /* Get dns attributes */
 444       if(($this->DNSenabled) && (isset($_POST['network_tpl_posted']))){
 445
 446         /* Check for posted record changes */
 447         if(is_array($this->dnsEntry['RECORDS']) && $this->acl_is_writeable("Records")){
 448           foreach($this->dnsEntry['RECORDS'] as $key => $value){
 449
 450             /* Check if type has changed */
 451             if(isset($_POST['RecordTypeSelectedFor_'.$key])){
 452               $this->dnsEntry['RECORDS'][$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
 453             }
 454             /* Check if value has changed */
 455             if(isset($_POST['RecordValue_'.$key])){
 456               $this->dnsEntry['RECORDS'][$key]['value'] = $_POST['RecordValue_'.$key];
 457             }
 458           }
 459         }
 460         /* Get all basic DNS attributes (TTL, Clas ..)*/
 461         foreach($this->DNSattributes as $attr){
 462           if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 463             $this->dnsEntry[$attr] = $_POST[$attr];
 464           }
 465         }
 466
 467
 468       }
 469       if($this->hide_dns_check_box){
 470         $this->DNS_is_account = true;
 471       }
 472     }
 473   }
 474
 475
 476   /* Check supplied data */
 477   function check()
 478   {
 479     /* Call common method to give check the hook */
 480     $message= plugin::check();
 481
 482     if($this->dhcpEnabled && $this->dhcp_is_Account && $this->dhcpParentNode != "" && count($this->dhcpHostEntry) == 0){
 483 #      $message[] =_("You have not configured your dhcp settings yet.");
 484     }
 485
 486     /* Check if mac and ip are already used */
 487     if(!empty($this->ipHostNumber) && $this->DNS_is_account &&
 488         $this->ipHostNumber != $this->orig_ipHostNumber &&
 489         in_array("ip:".$this->ipHostNumber,$this->used_ip_mac)){
 490       $message[] =_("The specified IP address is already in use.");
 491     }
 492     if(!empty($this->macAddress) && $this->dhcp_is_Account &&
 493         $this->macAddress != $this->orig_macAddress &&
 494         in_array("mac:".$this->macAddress,$this->used_ip_mac)){
 495       print_red(sprintf(_("The specified MAC address '%s' for this system '%s' is already in use."),$this->macAddress,$this->cn));
 496     }
 497
 498     /* Check if ip must be given
 499      */
 500     if(($this->IPisMust)||($this->DNS_is_account)){
 501       if (empty($this->ipHostNumber)){
 502         $message[]= _("The required field 'IP-address' is not set.");
 503       }
 504
 505       if (!is_ip($this->ipHostNumber)){
 506         $message[]= _("Wrong IP format in field IP-address.");
 507       }
 508     }
 509
 510     /* Check if mac is empty
 511      */
 512     if ($this->macAddress == "" ){
 513       $message[]= _("The required field 'MAC-address' is not set.");
 514     }
 515     if(!is_mac($this->macAddress)){
 516       $message[]=(_("The given macaddress is invalid. There must be 6 2byte segments seperated by ':'."));
 517     }
 518
 519     /* only perfrom this checks if this is a valid DNS account */
 520     if($this->DNS_is_account){
 521
 522       $checkArray = array();
 523       $onlyOnce   = array();
 524
 525       //  $onlyOnce['cNAMERecord'] = 0;
 526        $tmp = array_flip($this->Zones);
 527        $tmp2 = $tmp[$this->dnsEntry['zoneName']];
 528        if(!$this->netmaskIsCoherent($tmp2)){ //this->dnsEntry['zoneName'])){
 529          $tmp2 = preg_replace("/^.*\//","",$tmp2);
 530          $message[] =sprintf(_("The specified IP address '%s' is not matching the selected reverse zone entry '%s'."),$this->ipHostNumber,$tmp2);
 531        }
 532
 533       /* Walk through all entries and detect duplicates or mismatches
 534        */
 535       foreach($this->dnsEntry['RECORDS'] as $name => $values){
 536
 537         /* Count record values, to detect duplicate entries for a specific record
 538          */
 539         if(!isset($checkArray[$values['type']][$values['value']])){
 540           $checkArray[$values['type']][$values['value']] = 0;
 541         }else{
 542           $message[] = sprintf(_("Found duplicate value for record type '%s'."),$values['type']);
 543         }
 544
 545         /* Check if given entries in $onlyOnce are used more than once
 546          */
 547         if(isset($onlyOnce[$values['type']])){
 548           $onlyOnce[$values['type']] ++;
 549           if($onlyOnce[$values['type']] > 1){
 550             $message[] = sprintf(_("Found more than one entry for the uniqe record type '%s'."),$values['type']);
 551           }
 552         }
 553
 554         /* Skip txt record ...
 555          */
 556         if($values['type'] == "tXTRecord") continue;
 557
 558         /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress
 559          */
 560         if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)){
 561           $message[]=sprintf(_("The device IP '%s' is added as 'A Record', this will be done automatically, please remove the record."),
 562                $this->ipHostNumber);
 563         }
 564
 565         /* only lower-case is allowed in record entries ...
 566          */
 567         if($values['value'] != strtolower($values['value'])){
 568           $message[] = sprintf(_("Only lowercase is allowed, please check your '%ss'."),$values['type']);
 569         }
 570       }
 571     }
 572     return ($message);
 573   }
 574
 575
 576   /* Save to LDAP */
 577   function save()
 578   {
 579     $ldap= $this->config->get_ldap_link();
 580
 581     $dn = $this->parent->dn;
 582
 583     /*******************/
 584     /* IP-MAC HANDLING */
 585     /*******************/
 586
 587     /* $dn was posted as parameter */
 588     $this->dn = $dn;
 589
 590     /* Save DNS setting & ip/Mac*/
 591     plugin::save();
 592
 593     /* Write back to ldap */
 594     $ldap->cd($this->dn);
 595     $this->cleanup();
 596     $ldap->modify ($this->attrs);
 597
 598     /****************/
 599     /* DHCP HANDLING */
 600     /****************/
 601
 602     /* New entry */
 603     if($this->dhcpEnabled){
 604
 605       if(count($this->dhcpHostEntry) == 0){
 606         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 607         $this->dialog->cn = $this->cn;
 608         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 609         if(!empty($this->ipHostNumber)){
 610           $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 611         }
 612         $this->dialog->execute();
 613         $this->dialog->save_object();
 614         $this->dhcpHostEntry = $this->dialog->save();
 615         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
 616           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
 617         }
 618       }
 619
 620       if(count($this->dhcpHostEntry) == 0){
 621         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 622         $this->dialog->cn = $this->cn;
 623         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 624         if(!empty($this->ipHostNumber)){
 625           $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 626         }
 627         $this->dialog->execute();
 628         $this->dialog->save_object();
 629         $this->dhcpHostEntry = $this->dialog->save();
 630         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
 631           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
 632         }
 633       }
 634
 635       /* Write mac address to dhcp settings */
 636       if($this->dhcp_is_Account){
 637         if(!isset($this->dhcpHostEntry['dhcpHWAddress'][0]) ||
 638             !preg_match("/ethernet ".$this->macAddress."/",$this->dhcpHostEntry['dhcpHWAddress'][0])){
 639           $this->dhcpHostEntry['dhcpHWAddress'] = array("ethernet ".$this->macAddress);
 640           $this->dhcpHostEntry['MODIFIED'] = TRUE;
 641         }
 642       }
 643
 644
 645       /* Unset dhcpStatements if this attribute is empty  */
 646       if(isset($this->dhcpHostEntry['dhcpStatements']) &&
 647           ($this->dhcpHostEntry['dhcpStatements'] == "" || count($this->dhcpHostEntry['dhcpStatements']) == 0) ){
 648         unset($this->dhcpHostEntry['dhcpStatements']);
 649       }
 650
 651       /* DHCP removed */
 652       if($this->initial_dhcp_is_Account && !$this->dhcp_is_Account){
 653         $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 654         show_ldap_error($ldap->get_error(),_("Removing dhcp entry for this object failed."));
 655
 656         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 657         $tmp->handle_post_events("remove");
 658       }
 659
 660       /* DHCP Added */
 661       if(!$this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 662         $attrs = $this->dhcpHostEntry;
 663         unset($attrs['MODIFIED']);
 664         unset($attrs['dn']);
 665         $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 666         $res = $ldap->add($attrs);
 667
 668         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 669         $tmp->handle_post_events("add");
 670
 671         show_ldap_error($ldap->get_error(),_("Tried to add new dhcp entry failed."));
 672       }
 673
 674       /* DHCP still activated */
 675       if($this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 676
 677         /* DHCP node changed */
 678         if(($this->initial_dhcpParentNode != $this->dhcpParentNode) ||
 679            ($this->cn != $this->OrigCn)){
 680           $attrs = $this->dhcpHostEntry;
 681           $attrs['cn'] = $this->cn;
 682           unset($attrs['dn']);
 683           unset($attrs['MODIFIED']);
 684           $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 685           $res = $ldap->add($attrs);
 686
 687           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 688           $tmp->handle_post_events("modify");
 689
 690           show_ldap_error($ldap->get_error(),_("Tried to add new dhcp entry failed."));
 691           if($res){
 692             $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 693             show_ldap_error($ldap->get_error(),_("Removing old dhcp entry failed."));
 694           }
 695         }
 696
 697         /* SAME node but modified */
 698         if(isset($this->dhcpHostEntry['MODIFIED']) && $this->dhcpHostEntry['MODIFIED'] == 1  &&
 699             $this->initial_dhcpParentNode == $this->dhcpParentNode){
 700           $attrs = $this->dhcpHostEntry;
 701           unset($attrs['dn']);
 702           unset($attrs['MODIFIED']);
 703           $ldap->cd($this->dhcpHostEntry['dn']);
 704           $ldap->modify($attrs);
 705
 706           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 707           $tmp->handle_post_events("modify");
 708
 709           show_ldap_error($ldap->get_error(),_("Modifying dhcp entry failed."));
 710         }
 711       }
 712     }
 713
 714
 715     /****************/
 716     /* DNS HANDLING */
 717     /****************/
 718
 719     /* If isn't DNS account but initially was DNS account
 720        remove all DNS entries
 721      */
 722     if((!$this->DNSenabled) || ((!$this->DNS_is_account)&&(!$this->initially_was_account))){
 723       return;
 724     }else{
 725
 726       /* Add ipHostNumber to aRecords
 727        */
 728       $backup_dnsEntry = $this->dnsEntry;
 729       if(!empty($this->ipHostNumber)){
 730         $this->dnsEntry['RECORDS'][] = array("type"=>"aRecord","value"=>$this->ipHostNumber);
 731         $ptr = $this->get_pTRRecord();
 732         if(!empty($ptr)){
 733           $this->dnsEntry['RECORDS'][] = array("type"=>"pTRRecord","value"=>$ptr);
 734         }
 735       }
 736
 737       /* Create diff and follow instructions
 738        * If Account was disabled, remove account by setting exists to false
 739        */
 740       if((!$this->DNS_is_account)&&($this->initially_was_account)){
 741         $this->dnsEntry['exists'] = false;
 742         $tmp = getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 743       }else{
 744         $this->dnsEntry['exists'] = $this->DNS_is_account;
 745         $tmp = getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 746       }
 747
 748       /* move follwoing entries
 749        */
 750       foreach($tmp['move'] as $src => $dst){
 751         $this->recursive_move($src,$dst);
 752       }
 753
 754       /* Delete dns */
 755       foreach($tmp['del'] as $dn => $del){
 756         $ldap->cd($dn);
 757         $ldap->rmdir_recursive($dn);
 758         new log("modify","unknown/".get_class($this),$dn,array("*"),$ldap->get_error());
 759       }
 760
 761       /* Add || Update new DNS entries
 762        */
 763       foreach($tmp['add'] as $dn => $attrs){
 764         $ldap->cd($dn);
 765         $ldap->cat($dn, array('dn'));
 766         if(count($ldap->fetch())){
 767           $ldap->cd($dn);
 768           $ldap->modify ($attrs);
 769         }else{
 770           $ldap->cd($dn);
 771           $ldap->add($attrs);
 772         }
 773         new log("modify","unknown/".get_class($this),$dn,array_keys($attrs),$ldap->get_error());
 774       }
 775
 776
 777       /* Display errors
 778        */
 779       if($ldap->get_error() != "Success"){
 780         show_ldap_error($ldap->get_error(), sprintf(_("Saving of terminal/dns account with dn '%s' failed."),$this->dn));
 781       }
 782
 783       $tmp2 = new servdns($this->config,$this->dn);
 784       $tmp2->handle_post_events("modify");
 785
 786       $this->dnsEntry =  $backup_dnsEntry;
 787     }
 788   }
 789
 790   /*  Create html table with all used record types
 791    */
 792   function generateRecordsList()
 793   {
 794     $changeStateForRecords = "";
 795
 796     if(!$this->DNS_is_account) {
 797       $str = "<input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord' disabled='disabled'>";
 798       return(array("str" => $str, "changeStateForRecords"=> ""));
 799     }
 800
 801     $str = "<table summary='' width='100%'>";
 802     foreach($this->dnsEntry['RECORDS'] as $key => $entry){
 803
 804         $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
 805         $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
 806         $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
 807
 808         $str.=" <tr>".
 809           "   <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
 810           "   <td><input type='text' value='".$entry['value']."' name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
 811           "   <td><input type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
 812           "</tr>";
 813     }
 814
 815     $str.= "  <tr>".
 816            "    <td colspan=2 width='50%'></td><td>".
 817            "      <input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord'>".
 818            "    </td>".
 819            "  </tr>".
 820            "</table>";
 821      $ret =  array("str" => $str, "changeStateForRecords" => $changeStateForRecords);
 822     return($ret);
 823   }
 824
 825
 826   /* Create a html select box which allows us to select different types of records
 827    */
 828   function generateRecordListBox($selected,$name)
 829   {
 830     $str = "<select name='".$name."' id='".$name."'>";
 831     foreach($this->RecordTypes as $type => $value){
 832       $use = "";
 833       if($type == $selected){
 834         $use = " selected ";
 835       }
 836       $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
 837     }
 838     $str.="</select>";
 839     return($str);
 840   }
 841
 842
 843   /* Return plugin informations for acl handling  */
 844   static function plInfo()
 845   {
 846     $tmp =  array(
 847         "plShortName"   => _("DNS"),
 848         "plDescription" => _("DNS settings"),
 849         "plSelfModify"  => FALSE,
 850         "plDepends"     => array(),
 851         "plPriority"    => 5,
 852         "plSection"     => array("administration"),
 853         "plCategory"    => array("workstation","terminal","phone","server","component","printer","winworkstation"),
 854
 855         "plProvidedAcls"=> array(
 856           "ipHostNumber"  => _("IP address"),
 857           "macAddress"    => _("MAC address"))
 858         );
 859
 860     /* Hide all dns specific code, if dns is not available
 861      */
 862     foreach($_SESSION['config']->data['TABS']['SERVERSERVICE'] as $tab){
 863       if(preg_match("/^servdns$/",$tab['CLASS'])){
 864         $tmp['plProvidedAcls']["Records"]        = _("DNS records");
 865         $tmp['plProvidedAcls']["zoneName"]       = _("Zone name");
 866         $tmp['plProvidedAcls']["dNSTTL"]         = _("TTL");
 867         break;
 868       }
 869     }
 870     return($tmp);
 871   }
 872
 873
 874   function get_dhcp_host_entry()
 875   {
 876     $attrs = array();
 877     $dn = $this->get_dhcp_host_entry_dn();
 878     if($dn){
 879       $ldap = $this->config->get_ldap_link();
 880       $ldap->cd($this->config->current['BASE']);
 881       $ldap->cat($dn,array("*"));
 882       if($ldap->count()){
 883         $attrs = $ldap->fetch();
 884         foreach($attrs as $key => $value){
 885           if(is_numeric($key) || ($key == "count")){
 886             unset($attrs[$key]);
 887           }
 888           if(is_array($value) && isset($value['count'])){
 889             unset($attrs[$key]['count']);
 890           }
 891         }
 892       }
 893     }
 894     return($attrs);
 895   }
 896
 897
 898   function get_dhcp_host_entry_dn()
 899   {
 900     $ldap = $this->config->get_ldap_link();
 901     $ldap->cd($this->config->current['BASE']);
 902     $ldap->search ("(&(objectClass=dhcpHost)(cn=".$this->cn."))",array("cn","dn"));
 903
 904     if($ldap->count()){
 905       $attr = $ldap->fetch();
 906       return($attr['dn']);
 907     }else{
 908       return("");
 909     }
 910   }
 911
 912
 913   function get_dhcp_parent_node()
 914   {
 915     return(preg_replace("/^cn=".normalizePreg($this->cn).",/","",$this->get_dhcp_host_entry_dn()));
 916   }
 917
 918
 919   function get_dhcp_parent_nodes()
 920   {
 921     $ldap = $this->config->get_ldap_link();
 922     $ldap->cd($this->config->current['BASE']);
 923     $ldap->search("(objectClass=dhcpService)",array("dhcpPrimaryDN"));
 924
 925     $dhcp_dns = array();
 926     while($attr = $ldap->fetch()){
 927       $dhcp_dns[$attr['dn']] = $attr['dhcpPrimaryDN'][0];
 928     }
 929
 930     foreach($dhcp_dns as $key => $pri_dns){
 931       $ldap->cat($pri_dns,array("cn"));
 932       $tmp = $ldap->fetch();
 933       if(isset($tmp['cn'][0])){
 934         $dhcp_dns[$key] = $tmp['cn'][0];
 935       }else{
 936         unset($dhcp_dns[$key]);
 937       }
 938     }
 939
 940     $tmp = $tmp2 = array();
 941     foreach($dhcp_dns as $dn => $cn){
 942       $ldap->cd($dn);
 943       $ldap->search("(|(objectClass=dhcpService)(objectClass=dhcpGroup)".
 944                     "(objectClass=dhcpSubnet)(objectClass=dhcpSharedNetwork))",array("cn"));
 945       while($attr = $ldap->fetch()){
 946         $tmp[$attr['dn']] = $attr['cn'][0];
 947       }
 948       $tmp2 = array_merge($tmp2,$this->create_tree($tmp,preg_replace("/^[^,]+,/i","",$dn),"(".$cn.")&nbsp;"));
 949     }
 950     return($tmp2);
 951   }
 952
 953
 954   /* this function returns the default ptr record entry */
 955   function get_pTRRecord()
 956   {
 957     if(!empty($this->ipHostNumber) && isset($this->dnsEntry['zoneName']) && !empty($this->dnsEntry['zoneName'])){
 958       $ldap = $this->config->get_ldap_link();
 959       $ldap->cat(getDNSZoneDN($this->config,$this->dnsEntry['zoneName']));
 960       $attrs = $ldap->fetch();
 961       $tmp = array_flip($this->Zones);
 962       $tmp = preg_replace("/^[^\/]*+\//","",$tmp[$this->dnsEntry['zoneName']]);
 963       $tmp = trim(preg_replace("/\.in-addr.arpa$/","",$tmp));
 964       $ptr = preg_replace("/^".normalizePreg(FlipIp($tmp))."\./","",$this->ipHostNumber);
 965       return($ptr);
 966     }else{
 967       return(FALSE);
 968     }
 969   }
 970
 971
 972   function generateRandomIP($net = "")
 973   {
 974     $str = $net;
 975     $cnt = 4;
 976     while(substr_count($str,".") < 3 && $cnt > 0){
 977       $str .= ".".rand(0,255);
 978       $str = preg_replace("/\.\.*/",".",$str);
 979       $str = trim($str,". ");
 980       $cnt --;
 981     }
 982     return($str);
 983   }
 984
 985
 986   function create_tree($arr,$base,$current = "")
 987   {
 988     $ret = array();
 989     foreach($arr as $r => $name){
 990       $base_part = str_replace($base,"",$r);
 991       if(preg_match("/^[a-z]*=".normalizePreg($name)."(|,)$/i",$base_part)){
 992         $ret[$r] = $current.$name;
 993         $tmp = $this->create_tree($arr,$r,$current.".&nbsp;");
 994         foreach($tmp as $sub_key => $sub_name){
 995           $ret[$sub_key] = $sub_name;
 996         }
 997       }
 998     }
 999     return($ret);
1000   }
1001
1002   function force_dns()
1003   {
1004     if($this->DNSenabled){
1005       $this->DNS_is_account  = TRUE;
1006       $this->hide_dns_check_box = TRUE;
1007     }
1008   }
1009 }
1010
1011 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1012 ?>