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

   1 <?php
   2 /*
   3  * This code is part of GOsa (http://www.gosa-project.org)
   4  * Copyright (C) 2003-2008 GONICUS GmbH
   5  *
   6  * ID: $$Id$$
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 class termDNS extends plugin
  24 {
  25   /* attribute list for save action */
  26   var $ignore_account = true;
  27
  28   /* Basic informations
  29    */
  30   var $attributes     = array("ipHostNumber","macAddress");
  31   var $objectclasses  = array("whatever");
  32
  33   var $ipHostNumber   = "";    // IP address
  34   var $macAddress     = "";    // Mac address
  35
  36   var $orig_ipHostNumber   = "";    // IP address
  37   var $orig_macAddress     = "";    // Mac address
  38
  39   var $cn             = "";    // CN of currently edited device
  40   var $OrigCn         = "";    // Initial cn
  41   var $IPisMust       = false;
  42   var $MACisMust      = false;
  43   var $dialog         = false;
  44
  45   /* DCHP Attributes
  46    */
  47   var $dhcpAttributes           = array("dhcpParentNode");
  48   var $dhcpEnabled              = FALSE;
  49   var $dhcp_is_Account          = FALSE;
  50   var $dhcpParentNodes          = array();
  51   var $dhcpParentNode           = "";
  52   var $dhcpHostEntry            = array();
  53   var $initial_dhcpParentNode   = "";
  54   var $initial_dhcpHostEntry    = array();
  55   var $initial_dhcp_is_Account  = FALSE;
  56
  57   var $used_ip_mac              = array();
  58
  59   /* DNS attributes
  60    */
  61   var $DNSattributes            = array("dNSClass","zoneName","dNSTTL");
  62   var $DNS_is_account           = false;
  63   var $initially_was_account = false;
  64   var $dnsEntry                 = array();
  65   var $DNSenabled               = false;
  66   var $hide_dns_check_box       = FALSE;
  67
  68   /*  Terminal dns
  69    */
  70   function termDNS (&$config, $parent,$objectClasses,$IPisMust = false)
  71   {
  72     /* We need to know which objectClasses are used, to store the ip/mac
  73      * Because of different type of devices
  74      */
  75     $this->parent         = $parent;
  76     $this->objectclasses  =  $objectClasses;
  77     $this->IPisMust       = $IPisMust;
  78
  79     plugin::plugin ($config, $parent->dn);
  80
  81     if(isset($this->attrs['cn'][0])){
  82       $this->OrigCn = preg_replace("/\\\$\$/","",$this->attrs['cn'][0]);
  83       $this->cn = preg_replace("/\\\$\$/","",$this->attrs['cn'][0]);
  84     }
  85
  86
  87     /************
  88      * DHCP
  89      ************/
  90
  91     /* Hide all dhcp specific code, if dhcp plugin is not present in config */
  92     $dhcpEnabled = FALSE;
  93     if($this->config->search("servdhcp","class",array("tabs"))){
  94       $this->dhcpEnabled = TRUE;
  95     }
  96     if($this->dhcpEnabled){
  97       $this->dhcpParentNodes = $this->get_dhcp_parent_nodes();
  98       $this->dhcpParentNode  = $this->get_dhcp_parent_node();
  99       if($this->dhcpParentNode){
 100         $this->dhcp_is_Account = TRUE;
 101         $this->initial_dhcp_is_Account = TRUE;
 102         $this->dhcpHostEntry  = $this->get_dhcp_host_entry();
 103       }
 104       $this->initial_dhcpHostEntry = $this->dhcpHostEntry;
 105       $this->initial_dhcpParentNode= $this->dhcpParentNode;
 106     }
 107
 108
 109     /************
 110      * DNS
 111      ************/
 112
 113     /* Hide all dns specific code, if dns is not available
 114      */
 115     $DNSenabled = false;
 116     foreach($this->config->data['TABS']['SERVERSERVICE'] as $tab){
 117       if(preg_match("/^servdns$/",$tab['CLASS'])){
 118         $this->DNSenabled = true;
 119       }
 120     }
 121     if(!$this->DNSenabled){
 122       $this->DNS_is_account = false;
 123       return;
 124     }
 125
 126     if($this->DNSenabled){
 127
 128       /* Get Zones
 129        */
 130       $this->Zones        = DNS::getAvailableZones($config);
 131
 132       /* Get Entry
 133        */
 134       $this->dnsEntry     = DNS::getDNSHostEntries($config,$this->OrigCn);
 135
 136       /* Remove A record which equals $this->ipHostNumber
 137        */
 138       $ptr = $this->get_pTRRecord();
 139       foreach($this->dnsEntry['RECORDS'] as $key => $rec){
 140         if(($rec['type'] == "aRecord") && ($rec['value'] == $this->ipHostNumber)){
 141           unset($this->dnsEntry['RECORDS'][$key]);
 142         }
 143         if(($rec['type'] == "pTRRecord") && ($rec['value'] == $ptr)){
 144           unset($this->dnsEntry['RECORDS'][$key]);
 145         }
 146       }
 147
 148       /* Get Record types
 149        */
 150       $this->RecordTypes  = DNS::getDnsRecordTypes();
 151
 152       /* If there is at least one entry in this -> types, we have DNS enabled
 153        */
 154       if($this->dnsEntry['exists']){
 155         $this->DNS_is_account = true;
 156       }else{
 157         $this->DNS_is_account = false;
 158       }
 159     }
 160
 161     /* Create a list of used mac and ip addresses.
 162
 163        ! We use this optically huge amount of code to fetch all
 164        Mac and IP addresses, because a simple search for mac and IP
 165        over the whole ldap server was 10 to 20 times slower.
 166      */
 167     $deps  = array();
 168     $ou = preg_replace("/,.*$/","",get_ou("systemsou"));
 169     $a_ous = array(get_ou("serverou"),
 170                   get_ou("terminalou"),
 171                   get_ou("workstationou"),
 172                   get_ou("printerou"),
 173                   get_ou("phoneou"),
 174                   get_ou("componentou"));
 175
 176     $ldap = $this->config->get_ldap_link();
 177     $ldap->cd($this->config->current['BASE']);
 178     $ldap->search("(&(objectClass=organizationalUnit)(".$ou."))",array("dn"));
 179     while($attrs = $ldap->fetch()){
 180       foreach($a_ous as $allowed){
 181         $deps[] = $allowed.$attrs['dn'];
 182       }
 183     }
 184
 185     foreach($deps as $dep){
 186       $ldap->cd($dep);
 187       $ldap->search("(|(macAddress=*)(ipHostNumber=*))",array("macAddress","ipHostNumber"));
 188       while($attrs = $ldap->fetch()){
 189         if(isset($attrs['ipHostNumber'][0])){
 190           $this->used_ip_mac["ip:".$attrs['ipHostNumber'][0]] = "ip:".$attrs['ipHostNumber'][0];
 191         }
 192         if(isset($attrs['macAddress'][0])){
 193           $this->used_ip_mac["mac:".$attrs['macAddress'][0]] = "mac:".$attrs['macAddress'][0];
 194         }
 195       }
 196     }
 197
 198     /* Save initial ip and mac values, to be able
 199         check if the used values are already in use */
 200     $this->orig_ipHostNumber   = $this->ipHostNumber;
 201     $this->orig_macAddress     = $this->macAddress;
 202
 203     /* Store initally account settings
 204      */
 205     $this->initially_was_account = $this->DNS_is_account;
 206
 207     if($this->DNS_is_account){
 208       new log("view","unknown/".get_class($this),$this->dn);
 209     }
 210   }
 211
 212
 213   function netmaskIsCoherent($idZone)
 214   {
 215     $netmask = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($idZone)));
 216     if(!strstr($this->ipHostNumber, $netmask)){
 217       return false;
 218     }else{
 219       return true;
 220     }
 221   }
 222
 223
 224   function getVarsForSaving($attrs)
 225   {
 226     foreach($this->attributes as $attr){
 227       if(!empty($this->$attr)){
 228         $attrs[$attr] = $this->$attr;
 229       }
 230     }
 231     return($attrs);
 232   }
 233
 234   function execute()
 235   {
 236           /* Call parent execute */
 237     $smarty= get_smarty();
 238
 239     $tmp = $this->plInfo();
 240     foreach($tmp['plProvidedAcls'] as $name => $translation){
 241       $smarty->assign($name."ACL",$this->getacl($name));
 242     }
 243
 244     $display= "";
 245
 246     $smarty->assign("staticAddress", "");
 247
 248     /* Check for autonet button */
 249     if (isset($_POST['autonet'])){
 250         $d= new gosaSupportDaemon(TRUE, 0.5);
 251         $res= $d->_send("<xml><header>gosa_network_completition</header><source>GOSA</source><target>GOSA</target><hostname>".$this->cn."</hostname></xml>", TRUE);
 252         if (isset($res['XML']['IP'])){
 253                 $this->ipHostNumber= $res['XML']['IP'];
 254         }
 255         if (isset($res['XML']['MAC'])){
 256                 $this->macAddress= $res['XML']['MAC'];
 257         }
 258     }
 259
 260
 261     /**********
 262      * DHCP Handling
 263      **********/
 264
 265     if(isset($_POST['dhcpEditOptions'])){
 266
 267       if(count($this->dhcpHostEntry) == 0){
 268         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 269       }else{
 270         $this->dialog = new dhcpHost($this->dhcpHostEntry,TRUE);
 271       }
 272       $this->dialog->cn = $this->cn;
 273       $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 274       if(!empty($this->ipHostNumber)){
 275         $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 276       }
 277     }
 278
 279     if(isset($_POST['cancel_dhcp'])){
 280       $this->dialog = FALSE;
 281     }
 282
 283     if(isset($_POST['save_dhcp'])){
 284       $this->dialog->save_object();
 285
 286       $msgs = $this->dialog->check(array());
 287       if(count($msgs)){
 288         foreach($msgs as $msg){
 289           print_red($msg);
 290         }
 291       }else{
 292         $this->dhcpHostEntry = $this->dialog->save();
 293         $this->dialog = FALSE;
 294       }
 295     }
 296
 297     if(is_object($this->dialog)){
 298       $this->dialog->save_object();
 299       return($this->dialog->execute());
 300     }
 301
 302     $smarty->assign("dhcpEnabled",    $this->dhcpEnabled);
 303     $smarty->assign("dhcp_is_Account",$this->dhcp_is_Account);
 304     $smarty->assign("dhcpParentNode", $this->dhcpParentNode);
 305     $smarty->assign("dhcpParentNodes",$this->dhcpParentNodes);
 306     $smarty->assign("dhcpParentNodeCnt",count($this->dhcpParentNodes));
 307
 308
 309     /**********
 310      * DNS Handling
 311      **********/
 312
 313     /* There is no dns available
 314      */
 315     $smarty->assign("DNS_is_account",$this->DNS_is_account);
 316     $smarty->assign("DNSenabled",$this->DNSenabled);
 317     if($this->DNSenabled == false){
 318
 319       /* Is IP address must ? */
 320 #      $smarty->assign("DNS_is_account",false);
 321       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 322
 323       /* Assign smarty all non DNs attributes */
 324       foreach($this->attributes as $attr){
 325         $smarty->assign($attr,$this->$attr);
 326       }
 327       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 328
 329       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 330     }else{
 331  #     $smarty->assign("DNS_is_account",true);
 332
 333       /* Add new empty array to our record list */
 334       if(isset($_POST['AddNewRecord'])){
 335         $this->dnsEntry['RECORDS'][]  =array("type"=>"aRecord","value"=>"");
 336       }
 337
 338       /* propose_ip */
 339       if(isset($_POST['propose_ip'])){
 340         foreach($this->Zones as $key => $name){
 341           if($name == $this->dnsEntry['zoneName']){
 342             $net = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($key)));
 343             $this->ipHostNumber = $this->generateRandomIp($net);
 344           }
 345         }
 346       }
 347
 348       /* Handle all posts */
 349       $only_once =true;
 350       foreach($_POST as $name => $value){
 351
 352         /* Check if we have to delete a record entry */
 353         if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
 354
 355           /* Avoid performing this once again */
 356           $only_once = false;
 357
 358           /* Extract id for specified entry */
 359           $id = preg_replace("/RemoveRecord_/","",$name);
 360           $id = preg_replace("/_.*$/","",$id);
 361
 362           /* Delete this record, mark edited entries to be able to delete them */
 363           if(isset($this->dnsEntry['RECORDS'][$id])){
 364             unset($this->dnsEntry['RECORDS'][$id]);
 365           }
 366         }
 367       }
 368       /* Assign smarty all non DNs attributes */
 369       foreach($this->attributes as $attr){
 370         $smarty->assign($attr,$this->$attr);
 371       }
 372
 373       /* Assign smarty all DNS attributes */
 374       foreach($this->DNSattributes as $attr){
 375         $smarty->assign($attr,$this->dnsEntry[$attr]);
 376       }
 377
 378       /* Assign all needed vars */
 379  #     $smarty->assign("DNSAccount",$this->DNS_is_account);
 380       $smarty->assign("hide_dns_check_box",$this->hide_dns_check_box);
 381
 382       $smarty->assign("Zones",$this->Zones);
 383       $smarty->assign("ZoneCnt",count($this->Zones));
 384       $smarty->assign("ZoneKeys",($this->Zones));
 385       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 386
 387       /* Create zone array */
 388       $idZones = array();
 389       foreach($this->Zones as $id => $zone){
 390         if($this->netmaskIsCoherent($id)) {
 391           $idZones[$id] = $zone;
 392         }else{
 393           $idZones[$id] = $zone."&nbsp;("._("Not matching").")";
 394         }
 395       }
 396       $smarty->assign("Zones",$idZones);
 397       $smarty->assign("ZoneKeys", $this->Zones);
 398
 399       $tmp = $this->generateRecordsList();
 400
 401       $changeStateForRecords = $tmp['changeStateForRecords'];
 402
 403       $smarty->assign("records",$tmp['str']);
 404       $smarty->assign("changeStateForRecords",$changeStateForRecords);
 405       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 406
 407       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 408     }
 409     return($display);
 410   }
 411
 412
 413   function remove_from_parent()
 414   {
 415     if($this->initially_was_account){
 416
 417       $ldap = $this->config->get_ldap_link();
 418
 419       $tmp = array();
 420       $this->dnsEntry['exists'] = false;
 421       $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 422
 423       /* Delete dns */
 424       foreach($tmp['del'] as $dn => $del){
 425         $ldap->cd($dn);
 426         $ldap->rmdir_recursive($dn);
 427         new log("remove","unknown/".get_class($this),$dn);
 428         show_ldap_error($ldap->get_error(), sprintf(_("Could not remove dns extension for '%s'."),$dn));
 429       }
 430     }
 431   }
 432
 433
 434   /* Save data to object */
 435   function save_object()
 436   {
 437
 438     if(isset($_POST['network_tpl_posted'])){
 439
 440       /* Save all posted vars */
 441       plugin::save_object();
 442
 443       /* Handle DHCP Posts*/
 444       if($this->dhcpEnabled && isset($_POST['network_tpl_posted'])){
 445         foreach($this->dhcpAttributes as $attr){
 446           if(isset($_POST[$attr])){
 447             $this->$attr = $_POST[$attr];
 448           }
 449         }
 450         if(isset($_POST['dhcp_is_Account'])){
 451           $this->dhcp_is_Account = TRUE;
 452         }else{
 453           $this->dhcp_is_Account = FALSE;
 454         }
 455       }
 456
 457       /* Ge all non dns attributes (IP/MAC)*/
 458       foreach($this->attributes as $attr){
 459         if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 460           $this->$attr = $_POST[$attr];
 461         }
 462       }
 463
 464       /* Check if DNS should be enabled / disabled */
 465       if($this->DNS_is_account && $this->acl_is_removeable() && !isset($_POST['DNS_is_account'])){
 466         $this->DNS_is_account = false;
 467       }elseif(!$this->DNS_is_account && $this->acl_is_createable() && isset($_POST['DNS_is_account'])){
 468         $this->DNS_is_account = true;
 469       }
 470
 471       /* Get dns attributes */
 472       if(($this->DNSenabled) && (isset($_POST['network_tpl_posted']))){
 473
 474         /* Check for posted record changes */
 475         if(is_array($this->dnsEntry['RECORDS']) && $this->acl_is_writeable("Records")){
 476           foreach($this->dnsEntry['RECORDS'] as $key => $value){
 477
 478             /* Check if type has changed */
 479             if(isset($_POST['RecordTypeSelectedFor_'.$key])){
 480               $this->dnsEntry['RECORDS'][$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
 481             }
 482             /* Check if value has changed */
 483             if(isset($_POST['RecordValue_'.$key])){
 484               $this->dnsEntry['RECORDS'][$key]['value'] = $_POST['RecordValue_'.$key];
 485             }
 486           }
 487         }
 488         /* Get all basic DNS attributes (TTL, Clas ..)*/
 489         foreach($this->DNSattributes as $attr){
 490           if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 491             $this->dnsEntry[$attr] = $_POST[$attr];
 492           }
 493         }
 494
 495
 496       }
 497       if($this->hide_dns_check_box){
 498         $this->DNS_is_account = true;
 499       }
 500     }
 501   }
 502
 503
 504   /* Check supplied data */
 505   function check()
 506   {
 507     /* Call common method to give check the hook */
 508     $message= plugin::check();
 509
 510 #    if($this->dhcpEnabled && $this->dhcp_is_Account && $this->dhcpParentNode != "" && count($this->dhcpHostEntry) == 0){
 511 #      $message[] =_("You have not configured your dhcp settings yet.");
 512 #    }
 513
 514     /* Check if mac and ip are already used */
 515     if(!empty($this->ipHostNumber) && $this->DNS_is_account &&
 516         $this->ipHostNumber != $this->orig_ipHostNumber &&
 517         in_array("ip:".$this->ipHostNumber,$this->used_ip_mac)){
 518       $message[]= msgPool::duplicated(_("IP address"));
 519     }
 520     if(!empty($this->macAddress) && $this->dhcp_is_Account &&
 521         $this->macAddress != $this->orig_macAddress &&
 522         in_array("mac:".$this->macAddress,$this->used_ip_mac)){
 523       $message[]= msgPool::duplicated(_("MAC address"));
 524     }
 525
 526     /* Check if ip must be given
 527      */
 528     if(($this->IPisMust)||($this->DNS_is_account)){
 529       if (empty($this->ipHostNumber)){
 530         $message[]= msgPool::required(_("IP address"));
 531       }
 532
 533       if (!tests::is_ip($this->ipHostNumber)){
 534         $message[]= msgPool::invalid(_("IP address"), "", "", "192.168.1.10");
 535       }
 536     }
 537
 538     /* Check if mac is empty
 539      */
 540     if ($this->macAddress == "" ){
 541       $message[]= msgPool::required(_("IP address"));
 542     }
 543     if(!tests::is_mac($this->macAddress)){
 544       $message[]= msgPool::invalid(_("MAC address"), "", "", "00:0C:7F:31:33:F1");
 545     }
 546
 547     /* only perfrom this checks if this is a valid DNS account */
 548     if($this->DNS_is_account){
 549
 550       $checkArray = array();
 551       $onlyOnce   = array();
 552
 553       //  $onlyOnce['cNAMERecord'] = 0;
 554        $tmp = array_flip($this->Zones);
 555        $tmp2 = $tmp[$this->dnsEntry['zoneName']];
 556        if(!$this->netmaskIsCoherent($tmp2)){ //this->dnsEntry['zoneName'])){
 557          $tmp2 = preg_replace("/^.*\//","",$tmp2);
 558          $message[] =sprintf(_("The IP address '%s' is not part of the selected reverse zone '%s'!"),$this->ipHostNumber,$tmp2);
 559        }
 560
 561       /* Walk through all entries and detect duplicates or mismatches
 562        */
 563       foreach($this->dnsEntry['RECORDS'] as $name => $values){
 564
 565         /* Count record values, to detect duplicate entries for a specific record
 566          */
 567         if(!isset($checkArray[$values['type']][$values['value']])){
 568           $checkArray[$values['type']][$values['value']] = 0;
 569         }else{
 570           $message[] = sprintf(_("Record type '%s' is duplicated!"),$values['type']);
 571         }
 572
 573         /* Check if given entries in $onlyOnce are used more than once
 574          */
 575         if(isset($onlyOnce[$values['type']])){
 576           $onlyOnce[$values['type']] ++;
 577           if($onlyOnce[$values['type']] > 1){
 578             $message[] = sprintf(_("Uniq record type '%s' is duplicated!"),$values['type']);
 579           }
 580         }
 581
 582         /* Skip txt record ...
 583          */
 584         if($values['type'] == "tXTRecord") continue;
 585
 586         /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress
 587          */
 588         if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)){
 589           #TODO: Where's the problem here?
 590           $message[]=sprintf(_("The IP address '%s' will is added as 'A Record', this will be done automatically, please remove the record."),
 591                $this->ipHostNumber);
 592         }
 593
 594         /* only lower-case is allowed in record entries ...
 595          */
 596         if($values['value'] != strtolower($values['value'])){
 597           #TODO: What's in values['value']? Something for a propper message?
 598           $message[] = sprintf(_("Only lowercase records are allowed, please check your '%ss'."),$values['type']);
 599         }
 600       }
 601     }
 602     return ($message);
 603   }
 604
 605
 606   /* Save to LDAP */
 607   function save()
 608   {
 609     $ldap= $this->config->get_ldap_link();
 610
 611     $dn = $this->parent->dn;
 612
 613     /*******************/
 614     /* IP-MAC HANDLING */
 615     /*******************/
 616
 617     /* $dn was posted as parameter */
 618     $this->dn = $dn;
 619
 620     /* Save DNS setting & ip/Mac*/
 621     plugin::save();
 622
 623     /* Write back to ldap */
 624     $ldap->cd($this->dn);
 625     $this->cleanup();
 626     $ldap->modify ($this->attrs);
 627
 628     /****************/
 629     /* DHCP HANDLING */
 630     /****************/
 631
 632     /* New entry */
 633     if($this->dhcpEnabled){
 634
 635       if(count($this->dhcpHostEntry) == 0){
 636         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 637         $this->dialog->cn = $this->cn;
 638         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 639         if(!empty($this->ipHostNumber)){
 640           $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 641         }
 642         $this->dialog->execute();
 643         $this->dialog->save_object();
 644         $this->dhcpHostEntry = $this->dialog->save();
 645         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
 646           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
 647         }
 648       }
 649
 650       if(count($this->dhcpHostEntry) == 0){
 651         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 652         $this->dialog->cn = $this->cn;
 653         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 654         if(!empty($this->ipHostNumber)){
 655           $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 656         }
 657         $this->dialog->execute();
 658         $this->dialog->save_object();
 659         $this->dhcpHostEntry = $this->dialog->save();
 660         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
 661           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
 662         }
 663       }
 664
 665       /* Write mac address to dhcp settings */
 666       if($this->dhcp_is_Account){
 667         if(!isset($this->dhcpHostEntry['dhcpHWAddress'][0]) ||
 668             !preg_match("/ethernet ".$this->macAddress."/",$this->dhcpHostEntry['dhcpHWAddress'][0])){
 669           $this->dhcpHostEntry['dhcpHWAddress'] = array("ethernet ".$this->macAddress);
 670           $this->dhcpHostEntry['MODIFIED'] = TRUE;
 671         }
 672       }
 673
 674
 675       /* Unset dhcpStatements if this attribute is empty  */
 676       if(isset($this->dhcpHostEntry['dhcpStatements']) &&
 677           ($this->dhcpHostEntry['dhcpStatements'] == "" || count($this->dhcpHostEntry['dhcpStatements']) == 0) ){
 678         unset($this->dhcpHostEntry['dhcpStatements']);
 679       }
 680
 681       /* DHCP removed */
 682       if($this->initial_dhcp_is_Account && !$this->dhcp_is_Account){
 683         $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 684         show_ldap_error($ldap->get_error(),_("Removing dhcp entry for this object failed."));
 685
 686         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 687         $tmp->handle_post_events("remove");
 688       }
 689
 690       /* DHCP Added */
 691       if(!$this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 692         $attrs = $this->dhcpHostEntry;
 693         unset($attrs['MODIFIED']);
 694         unset($attrs['dn']);
 695         $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 696         $res = $ldap->add($attrs);
 697
 698         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 699         $tmp->handle_post_events("add");
 700
 701         show_ldap_error($ldap->get_error(),_("Tried to add new dhcp entry failed."));
 702       }
 703
 704       /* DHCP still activated */
 705       if($this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 706
 707         /* DHCP node changed */
 708         if(($this->initial_dhcpParentNode != $this->dhcpParentNode) ||
 709            ($this->cn != $this->OrigCn)){
 710           $attrs = $this->dhcpHostEntry;
 711           $attrs['cn'] = $this->cn;
 712           unset($attrs['dn']);
 713           unset($attrs['MODIFIED']);
 714           $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 715           $res = $ldap->add($attrs);
 716
 717           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 718           $tmp->handle_post_events("modify");
 719
 720           show_ldap_error($ldap->get_error(),_("Tried to add new dhcp entry failed."));
 721           if($res){
 722             $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 723             show_ldap_error($ldap->get_error(),_("Removing old dhcp entry failed."));
 724           }
 725         }
 726
 727         /* SAME node but modified */
 728         if(isset($this->dhcpHostEntry['MODIFIED']) && $this->dhcpHostEntry['MODIFIED'] == 1  &&
 729             $this->initial_dhcpParentNode == $this->dhcpParentNode){
 730           $attrs = $this->dhcpHostEntry;
 731           unset($attrs['dn']);
 732           unset($attrs['MODIFIED']);
 733           $ldap->cd($this->dhcpHostEntry['dn']);
 734           $ldap->modify($attrs);
 735
 736           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 737           $tmp->handle_post_events("modify");
 738
 739           show_ldap_error($ldap->get_error(),_("Modifying dhcp entry failed."));
 740         }
 741       }
 742     }
 743     $this->dialog = FALSE;
 744
 745     /****************/
 746     /* DNS HANDLING */
 747     /****************/
 748
 749     /* If isn't DNS account but initially was DNS account
 750        remove all DNS entries
 751      */
 752     if((!$this->DNSenabled) || ((!$this->DNS_is_account)&&(!$this->initially_was_account))){
 753       return;
 754     }else{
 755
 756       /* Add ipHostNumber to aRecords
 757        */
 758       $backup_dnsEntry = $this->dnsEntry;
 759       if(!empty($this->ipHostNumber)){
 760         $this->dnsEntry['RECORDS'][] = array("type"=>"aRecord","value"=>$this->ipHostNumber);
 761         $ptr = $this->get_pTRRecord();
 762         if(!empty($ptr)){
 763           $this->dnsEntry['RECORDS'][] = array("type"=>"pTRRecord","value"=>$ptr);
 764         }
 765       }
 766
 767       /* Create diff and follow instructions
 768        * If Account was disabled, remove account by setting exists to false
 769        */
 770       if((!$this->DNS_is_account)&&($this->initially_was_account)){
 771         $this->dnsEntry['exists'] = false;
 772         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 773       }else{
 774         $this->dnsEntry['exists'] = $this->DNS_is_account;
 775         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 776       }
 777
 778       /* move follwoing entries
 779        */
 780       foreach($tmp['move'] as $src => $dst){
 781         $this->recursive_move($src,$dst);
 782       }
 783
 784       /* Delete dns */
 785       foreach($tmp['del'] as $dn => $del){
 786         $ldap->cd($dn);
 787         $ldap->rmdir_recursive($dn);
 788         new log("modify","unknown/".get_class($this),$dn,array("*"),$ldap->get_error());
 789       }
 790
 791       /* Add || Update new DNS entries
 792        */
 793       foreach($tmp['add'] as $dn => $attrs){
 794         $ldap->cd($dn);
 795         $ldap->cat($dn, array('dn'));
 796         if(count($ldap->fetch())){
 797           $ldap->cd($dn);
 798           $ldap->modify ($attrs);
 799         }else{
 800           $ldap->cd($dn);
 801           $ldap->add($attrs);
 802         }
 803         new log("modify","unknown/".get_class($this),$dn,array_keys($attrs),$ldap->get_error());
 804       }
 805
 806
 807       /* Display errors
 808        */
 809       if($ldap->get_error() != "Success"){
 810         show_ldap_error($ldap->get_error(), sprintf(_("Saving of terminal/dns account with dn '%s' failed."),$this->dn));
 811       }
 812
 813       $tmp2 = new servdns($this->config,$this->dn);
 814       $tmp2->handle_post_events("modify");
 815
 816       $this->dnsEntry =  $backup_dnsEntry;
 817     }
 818   }
 819
 820   /*  Create html table with all used record types
 821    */
 822   function generateRecordsList()
 823   {
 824     $changeStateForRecords = "";
 825
 826     if(!$this->DNS_is_account) {
 827       $str = "<input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord' disabled='disabled'>";
 828       return(array("str" => $str, "changeStateForRecords"=> ""));
 829     }
 830
 831     $str = "<table summary='' width='100%'>";
 832     foreach($this->dnsEntry['RECORDS'] as $key => $entry){
 833
 834         $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
 835         $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
 836         $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
 837
 838         $str.=" <tr>".
 839           "   <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
 840           "   <td><input type='text' value='".$entry['value']."' name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
 841           "   <td><input type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
 842           "</tr>";
 843     }
 844
 845     $str.= "  <tr>".
 846            "    <td colspan=2 width='50%'></td><td>".
 847            "      <input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord'>".
 848            "    </td>".
 849            "  </tr>".
 850            "</table>";
 851      $ret =  array("str" => $str, "changeStateForRecords" => $changeStateForRecords);
 852     return($ret);
 853   }
 854
 855
 856   /* Create a html select box which allows us to select different types of records
 857    */
 858   function generateRecordListBox($selected,$name)
 859   {
 860     $str = "<select name='".$name."' id='".$name."'>";
 861     foreach($this->RecordTypes as $type => $value){
 862       $use = "";
 863       if($type == $selected){
 864         $use = " selected ";
 865       }
 866       $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
 867     }
 868     $str.="</select>";
 869     return($str);
 870   }
 871
 872
 873   /* Return plugin informations for acl handling  */
 874   static function plInfo()
 875   {
 876     $tmp =  array(
 877         "plShortName"   => _("DNS"),
 878         "plDescription" => _("DNS settings"),
 879         "plSelfModify"  => FALSE,
 880         "plDepends"     => array(),
 881         "plPriority"    => 5,
 882         "plSection"     => array("administration"),
 883         "plCategory"    => array("workstation","terminal","phone","server","component","printer","winworkstation"),
 884
 885         "plProvidedAcls"=> array(
 886           "ipHostNumber"  => _("IP address"),
 887           "macAddress"    => _("MAC address"))
 888         );
 889
 890     /* Hide all dns specific code, if dns is not available
 891      */
 892     $config = session::get('config');
 893     foreach($config->data['TABS']['SERVERSERVICE'] as $tab){
 894       if(preg_match("/^servdns$/",$tab['CLASS'])){
 895         $tmp['plProvidedAcls']["Records"]        = _("DNS records");
 896         $tmp['plProvidedAcls']["zoneName"]       = _("Zone name");
 897         $tmp['plProvidedAcls']["dNSTTL"]         = _("TTL");
 898         break;
 899       }
 900     }
 901     return($tmp);
 902   }
 903
 904
 905   function get_dhcp_host_entry()
 906   {
 907     $attrs = array();
 908     $dn = $this->get_dhcp_host_entry_dn();
 909     if($dn){
 910       $ldap = $this->config->get_ldap_link();
 911       $ldap->cd($this->config->current['BASE']);
 912       $ldap->cat($dn,array("*"));
 913       if($ldap->count()){
 914         $attrs = $ldap->fetch();
 915         foreach($attrs as $key => $value){
 916           if(is_numeric($key) || ($key == "count")){
 917             unset($attrs[$key]);
 918           }
 919           if(is_array($value) && isset($value['count'])){
 920             unset($attrs[$key]['count']);
 921           }
 922         }
 923       }
 924     }
 925     return($attrs);
 926   }
 927
 928
 929   function get_dhcp_host_entry_dn()
 930   {
 931     $ldap = $this->config->get_ldap_link();
 932     $ldap->cd($this->config->current['BASE']);
 933     $ldap->search ("(&(objectClass=dhcpHost)(cn=".$this->cn."))",array("cn","dn"));
 934
 935     if($ldap->count()){
 936       $attr = $ldap->fetch();
 937       return($attr['dn']);
 938     }else{
 939       return("");
 940     }
 941   }
 942
 943
 944   function get_dhcp_parent_node()
 945   {
 946     return(preg_replace("/^cn=".normalizePreg($this->cn).",/","",$this->get_dhcp_host_entry_dn()));
 947   }
 948
 949
 950   function get_dhcp_parent_nodes()
 951   {
 952     $ldap = $this->config->get_ldap_link();
 953     $ldap->cd($this->config->current['BASE']);
 954     $ldap->search("(objectClass=dhcpService)",array("dhcpPrimaryDN"));
 955
 956     $dhcp_dns = array();
 957     while($attr = $ldap->fetch()){
 958       $dhcp_dns[$attr['dn']] = $attr['dhcpPrimaryDN'][0];
 959     }
 960
 961     foreach($dhcp_dns as $key => $pri_dns){
 962       $ldap->cat($pri_dns,array("cn"));
 963       $tmp = $ldap->fetch();
 964       if(isset($tmp['cn'][0])){
 965         $dhcp_dns[$key] = $tmp['cn'][0];
 966       }else{
 967         unset($dhcp_dns[$key]);
 968       }
 969     }
 970
 971     $tmp = $tmp2 = array();
 972     foreach($dhcp_dns as $dn => $cn){
 973       $ldap->cd($dn);
 974       $ldap->search("(|(objectClass=dhcpService)(objectClass=dhcpGroup)".
 975                     "(objectClass=dhcpSubnet)(objectClass=dhcpSharedNetwork))",array("cn"));
 976       while($attr = $ldap->fetch()){
 977         $tmp[$attr['dn']] = $attr['cn'][0];
 978       }
 979       $tmp2 = array_merge($tmp2,$this->create_tree($tmp,preg_replace("/^[^,]+,/i","",$dn),"(".$cn.")&nbsp;"));
 980     }
 981     return($tmp2);
 982   }
 983
 984
 985   /* this function returns the default ptr record entry */
 986   function get_pTRRecord()
 987   {
 988     if(!empty($this->ipHostNumber) && isset($this->dnsEntry['zoneName']) && !empty($this->dnsEntry['zoneName'])){
 989       $ldap = $this->config->get_ldap_link();
 990       $ldap->cat(DNS::getDNSZoneDN($this->config,$this->dnsEntry['zoneName']));
 991       $attrs = $ldap->fetch();
 992       $tmp = array_flip($this->Zones);
 993       $tmp = preg_replace("/^[^\/]*+\//","",$tmp[$this->dnsEntry['zoneName']]);
 994       $tmp = trim(preg_replace("/\.in-addr.arpa$/","",$tmp));
 995       $ptr = preg_replace("/^".normalizePreg(DNS::FlipIp($tmp))."\./","",$this->ipHostNumber);
 996       return($ptr);
 997     }else{
 998       return(FALSE);
 999     }
1000   }
1001
1002
1003   function generateRandomIP($net = "")
1004   {
1005     $str = $net;
1006     $cnt = 4;
1007     while(substr_count($str,".") < 3 && $cnt > 0){
1008       $str .= ".".rand(0,255);
1009       $str = preg_replace("/\.\.*/",".",$str);
1010       $str = trim($str,". ");
1011       $cnt --;
1012     }
1013     return($str);
1014   }
1015
1016
1017   function create_tree($arr,$base,$current = "")
1018   {
1019     $ret = array();
1020     foreach($arr as $r => $name){
1021       $base_part = str_replace($base,"",$r);
1022       if(preg_match("/^[a-z]*=".normalizePreg($name)."(|,)$/i",$base_part)){
1023         $ret[$r] = $current.$name;
1024         $tmp = $this->create_tree($arr,$r,$current.".&nbsp;");
1025         foreach($tmp as $sub_key => $sub_name){
1026           $ret[$sub_key] = $sub_name;
1027         }
1028       }
1029     }
1030     return($ret);
1031   }
1032
1033   function force_dns()
1034   {
1035     if($this->DNSenabled){
1036
1037       /* Only force DNS account, if we have at least on dns Zone */
1038       if(count($this->Zones)){
1039         $this->DNS_is_account  = TRUE;
1040         $this->hide_dns_check_box = TRUE;
1041       }
1042     }
1043   }
1044 }
1045
1046 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1047 ?>