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