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 $additionalHostNumbers = array();
  35   var $macAddress            = "";    // Mac address
  36
  37   var $orig_ipHostNumber   = "";    // IP address
  38   var $orig_macAddress     = "";    // Mac address
  39
  40   var $cn             = "";    // CN of currently edited device
  41   var $OrigCn         = "";    // Initial cn
  42   var $IPisMust       = false;
  43   var $MACisMust      = false;
  44   var $dialog         = false;
  45
  46   /* DCHP Attributes
  47    */
  48   var $dhcpAttributes           = array("dhcpParentNode");
  49   var $dhcpEnabled              = FALSE;
  50   var $dhcp_is_Account          = FALSE;
  51   var $dhcpParentNodes          = array();
  52   var $dhcpParentNode           = "";
  53   var $dhcpHostEntry            = array();
  54   var $initial_dhcpParentNode   = "";
  55   var $initial_dhcpHostEntry    = array();
  56   var $initial_dhcp_is_Account  = FALSE;
  57
  58   var $used_ip_mac              = array();
  59
  60   /* DNS attributes
  61    */
  62   var $DNSattributes            = array("dNSClass","zoneName","dNSTTL");
  63   var $DNS_is_account           = false;
  64   var $initially_was_account = false;
  65   var $dnsEntry                 = array();
  66   var $DNSenabled               = false;
  67   var $hide_dns_check_box       = FALSE;
  68
  69   /*  Terminal dns
  70    */
  71   function termDNS (&$config, $parent,$objectClasses,$IPisMust = false)
  72   {
  73     /* We need to know which objectClasses are used, to store the ip/mac
  74      * Because of different type of devices
  75      */
  76     $this->parent         = $parent;
  77     $this->objectclasses  =  $objectClasses;
  78     $this->IPisMust       = $IPisMust;
  79
  80     plugin::plugin ($config, $parent->dn);
  81
  82     if(isset($this->attrs['cn'][0])){
  83       $this->OrigCn = preg_replace("/\\\$\$/","",$this->attrs['cn'][0]);
  84       $this->cn = preg_replace("/\\\$\$/","",$this->attrs['cn'][0]);
  85     }
  86
  87
  88     $this->additionalHostNumbers = array();
  89     if(isset($this->attrs['ipHostNumber']) && $this->attrs['ipHostNumber']['count'] > 1){
  90       for($i = 1 ; $i < $this->attrs['ipHostNumber']['count']; $i ++){
  91         $this->additionalHostNumbers[] = $this->attrs['ipHostNumber'][$i];
  92       }
  93     }
  94
  95     /************
  96      * DHCP
  97      ************/
  98
  99     /* Hide all dhcp specific code, if dhcp plugin is not present in config */
 100     $dhcpEnabled = FALSE;
 101     if($this->config->search("servdhcp","class",array("tabs"))){
 102       $this->dhcpEnabled = TRUE;
 103     }
 104     if($this->dhcpEnabled){
 105       $this->dhcpParentNodes = $this->get_dhcp_parent_nodes();
 106       $this->dhcpParentNode  = $this->get_dhcp_parent_node();
 107       if($this->dhcpParentNode){
 108         $this->dhcp_is_Account = TRUE;
 109         $this->initial_dhcp_is_Account = TRUE;
 110         $this->dhcpHostEntry  = $this->get_dhcp_host_entry();
 111       }
 112       $this->initial_dhcpHostEntry = $this->dhcpHostEntry;
 113       $this->initial_dhcpParentNode= $this->dhcpParentNode;
 114     }
 115
 116
 117     /************
 118      * DNS
 119      ************/
 120
 121     /* Hide all dns specific code, if dns is not available
 122      */
 123     $DNSenabled = false;
 124     foreach($this->config->data['TABS']['SERVERSERVICE'] as $tab){
 125       if(preg_match("/^servdns$/",$tab['CLASS'])){
 126         $this->DNSenabled = true;
 127       }
 128     }
 129     if(!$this->DNSenabled){
 130       $this->DNS_is_account = false;
 131       return;
 132     }
 133
 134     if($this->DNSenabled){
 135
 136       /* Get Zones
 137        */
 138       $this->Zones        = DNS::getAvailableZones($config);
 139
 140       /* Get Entry
 141        */
 142       $this->dnsEntry     = DNS::getDNSHostEntries($config,$this->OrigCn);
 143
 144       /* Remove A record which equals $this->ipHostNumber
 145        */
 146       $ptr = $this->get_pTRRecord();
 147       foreach($this->dnsEntry['RECORDS'] as $key => $rec){
 148         if(($rec['type'] == "aRecord") && ($rec['value'] == $this->ipHostNumber)){
 149           unset($this->dnsEntry['RECORDS'][$key]);
 150         }
 151         if(($rec['type'] == "pTRRecord") && ($rec['value'] == $ptr)){
 152           unset($this->dnsEntry['RECORDS'][$key]);
 153         }
 154       }
 155
 156       /* Get Record types
 157        */
 158       $this->RecordTypes  = DNS::getDnsRecordTypes();
 159
 160       /* If there is at least one entry in this -> types, we have DNS enabled
 161        */
 162       if($this->dnsEntry['exists']){
 163         $this->DNS_is_account = true;
 164       }else{
 165         $this->DNS_is_account = false;
 166       }
 167     }
 168
 169     /* Create a list of used mac and ip addresses.
 170
 171        ! We use this optically huge amount of code to fetch all
 172        Mac and IP addresses, because a simple search for mac and IP
 173        over the whole ldap server was 10 to 20 times slower.
 174      */
 175     $deps  = array();
 176     $ou = preg_replace("/,.*$/","",get_ou("systemsou"));
 177     $a_ous = array(get_ou("serverou"),
 178                   get_ou("terminalou"),
 179                   get_ou("workstationou"),
 180                   get_ou("printerou"),
 181                   get_ou("phoneou"),
 182                   get_ou("componentou"));
 183
 184     $ldap = $this->config->get_ldap_link();
 185     $ldap->cd($this->config->current['BASE']);
 186     $ldap->search("(&(objectClass=organizationalUnit)(".$ou."))",array("dn"));
 187     while($attrs = $ldap->fetch()){
 188       foreach($a_ous as $allowed){
 189         $deps[] = $allowed.$attrs['dn'];
 190       }
 191     }
 192
 193     foreach($deps as $dep){
 194       $ldap->cd($dep);
 195       $ldap->search("(|(macAddress=*)(ipHostNumber=*))",array("macAddress","ipHostNumber"));
 196       while($attrs = $ldap->fetch()){
 197         if(isset($attrs['ipHostNumber'][0])){
 198           $this->used_ip_mac["ip:".$attrs['ipHostNumber'][0]] = "ip:".$attrs['ipHostNumber'][0];
 199         }
 200         if(isset($attrs['macAddress'][0])){
 201           $this->used_ip_mac["mac:".$attrs['macAddress'][0]] = "mac:".$attrs['macAddress'][0];
 202         }
 203       }
 204     }
 205
 206     /* Save initial ip and mac values, to be able
 207         check if the used values are already in use */
 208     $this->orig_ipHostNumber   = $this->ipHostNumber;
 209     $this->orig_macAddress     = $this->macAddress;
 210
 211     /* Store initally account settings
 212      */
 213     $this->initially_was_account = $this->DNS_is_account;
 214
 215     if($this->DNS_is_account){
 216       new log("view","unknown/".get_class($this),$this->dn);
 217     }
 218   }
 219
 220
 221   function netmaskIsCoherent($idZone)
 222   {
 223     $netmask = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($idZone)));
 224     if(!strstr($this->ipHostNumber, $netmask)){
 225       return false;
 226     }else{
 227       return true;
 228     }
 229   }
 230
 231
 232   function getVarsForSaving($attrs)
 233   {
 234     foreach($this->attributes as $attr){
 235       if(!empty($this->$attr)){
 236         $attrs[$attr] = $this->$attr;
 237       }
 238     }
 239     return($attrs);
 240   }
 241
 242   function execute()
 243   {
 244           /* Call parent execute */
 245     $smarty= get_smarty();
 246
 247     $tmp = $this->plInfo();
 248     foreach($tmp['plProvidedAcls'] as $name => $translation){
 249       $smarty->assign($name."ACL",$this->getacl($name));
 250     }
 251
 252     $display= "";
 253
 254     $smarty->assign("additionalHostNumbers",$this->additionalHostNumbers);
 255     $smarty->assign("staticAddress", "");
 256
 257     /* Check for autonet button */
 258     if (isset($_POST['autonet'])){
 259         $d= new gosaSupportDaemon(TRUE, 0.5);
 260         $res= $d->_send("<xml><header>gosa_network_completition</header><source>GOSA</source><target>GOSA</target><hostname>".$this->cn."</hostname></xml>", TRUE);
 261         if (isset($res['XML']['IP'])){
 262                 $this->ipHostNumber= $res['XML']['IP'];
 263         }
 264         if (isset($res['XML']['MAC'])){
 265                 $this->macAddress= $res['XML']['MAC'];
 266         }
 267     }
 268
 269
 270     /**********
 271      * DHCP Handling
 272      **********/
 273
 274     if(isset($_POST['dhcpEditOptions'])){
 275
 276       if(count($this->dhcpHostEntry) == 0){
 277         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 278       }else{
 279         $this->dialog = new dhcpHost($this->dhcpHostEntry,TRUE);
 280       }
 281       $this->dialog->cn = $this->cn;
 282       $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 283       if(!empty($this->ipHostNumber)){
 284         $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 285       }
 286     }
 287
 288     if(isset($_POST['cancel_dhcp'])){
 289       $this->dialog = FALSE;
 290     }
 291
 292     if(isset($_POST['save_dhcp'])){
 293       $this->dialog->save_object();
 294
 295       $msgs = $this->dialog->check(array());
 296       if(count($msgs)){
 297         foreach($msgs as $msg){
 298           msg_dialog::display(_("Error"), $msg, ERROR_DIALOG);
 299         }
 300       }else{
 301         $this->dhcpHostEntry = $this->dialog->save();
 302         $this->dialog = FALSE;
 303       }
 304     }
 305
 306     if(is_object($this->dialog)){
 307       $this->dialog->save_object();
 308       return($this->dialog->execute());
 309     }
 310
 311     $smarty->assign("dhcpEnabled",    $this->dhcpEnabled);
 312     $smarty->assign("dhcp_is_Account",$this->dhcp_is_Account);
 313     $smarty->assign("dhcpParentNode", $this->dhcpParentNode);
 314     $smarty->assign("dhcpParentNodes",$this->dhcpParentNodes);
 315     $smarty->assign("dhcpParentNodeCnt",count($this->dhcpParentNodes));
 316
 317
 318     /**********
 319      * DNS Handling
 320      **********/
 321
 322     /* There is no dns available
 323      */
 324     $smarty->assign("DNS_is_account",$this->DNS_is_account);
 325     $smarty->assign("DNSenabled",$this->DNSenabled);
 326     if($this->DNSenabled == false){
 327
 328       /* Is IP address must ? */
 329 #      $smarty->assign("DNS_is_account",false);
 330       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 331
 332       /* Assign smarty all non DNs attributes */
 333       foreach($this->attributes as $attr){
 334         $smarty->assign($attr,$this->$attr);
 335       }
 336       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 337
 338       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 339     }else{
 340  #     $smarty->assign("DNS_is_account",true);
 341
 342       /* Add new empty array to our record list */
 343       if(isset($_POST['AddNewRecord'])){
 344         $this->dnsEntry['RECORDS'][]  =array("type"=>"aRecord","value"=>"");
 345       }
 346
 347       /* propose_ip */
 348       if(isset($_POST['propose_ip'])){
 349         foreach($this->Zones as $key => $name){
 350           if($name == $this->dnsEntry['zoneName']){
 351             $net = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($key)));
 352             $this->ipHostNumber = $this->generateRandomIp($net);
 353           }
 354         }
 355       }
 356
 357       /* Handle all posts */
 358       $only_once =true;
 359       foreach($_POST as $name => $value){
 360
 361         /* Check if we have to delete a record entry */
 362         if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
 363
 364           /* Avoid performing this once again */
 365           $only_once = false;
 366
 367           /* Extract id for specified entry */
 368           $id = preg_replace("/RemoveRecord_/","",$name);
 369           $id = preg_replace("/_.*$/","",$id);
 370
 371           /* Delete this record, mark edited entries to be able to delete them */
 372           if(isset($this->dnsEntry['RECORDS'][$id])){
 373             unset($this->dnsEntry['RECORDS'][$id]);
 374           }
 375         }
 376       }
 377       /* Assign smarty all non DNs attributes */
 378       foreach($this->attributes as $attr){
 379         $smarty->assign($attr,$this->$attr);
 380       }
 381
 382       /* Assign smarty all DNS attributes */
 383       foreach($this->DNSattributes as $attr){
 384         $smarty->assign($attr,$this->dnsEntry[$attr]);
 385       }
 386
 387       /* Assign all needed vars */
 388  #     $smarty->assign("DNSAccount",$this->DNS_is_account);
 389       $smarty->assign("hide_dns_check_box",$this->hide_dns_check_box);
 390
 391       $smarty->assign("Zones",$this->Zones);
 392       $smarty->assign("ZoneCnt",count($this->Zones));
 393       $smarty->assign("ZoneKeys",($this->Zones));
 394       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 395
 396       /* Create zone array */
 397       $idZones = array();
 398       foreach($this->Zones as $id => $zone){
 399         if($this->netmaskIsCoherent($id)) {
 400           $idZones[$id] = $zone;
 401         }else{
 402           $idZones[$id] = $zone."&nbsp;("._("Not matching").")";
 403         }
 404       }
 405       $smarty->assign("Zones",$idZones);
 406       $smarty->assign("ZoneKeys", $this->Zones);
 407
 408       $tmp = $this->generateRecordsList();
 409
 410       $changeStateForRecords = $tmp['changeStateForRecords'];
 411
 412       $smarty->assign("records",$tmp['str']);
 413       $smarty->assign("changeStateForRecords",$changeStateForRecords);
 414       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 415
 416       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 417     }
 418
 419     return($display);
 420   }
 421
 422
 423   function remove_from_parent()
 424   {
 425     if($this->initially_was_account){
 426
 427       $ldap = $this->config->get_ldap_link();
 428
 429       $tmp = array();
 430       $this->dnsEntry['exists'] = false;
 431       $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 432
 433       /* Delete dns */
 434       foreach($tmp['del'] as $dn => $del){
 435         $ldap->cd($dn);
 436         $ldap->rmdir_recursive($dn);
 437         new log("remove","unknown/".get_class($this),$dn);
 438         if (!$ldap->success()){
 439           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, LDAP_DEL, get_class()));
 440         }
 441       }
 442     }
 443   }
 444
 445
 446   /* Save data to object */
 447   function save_object()
 448   {
 449
 450     if(isset($_POST['network_tpl_posted'])){
 451
 452       /* Save all posted vars */
 453       plugin::save_object();
 454
 455       /* Handle DHCP Posts*/
 456       if($this->dhcpEnabled && isset($_POST['network_tpl_posted'])){
 457         foreach($this->dhcpAttributes as $attr){
 458           if(isset($_POST[$attr])){
 459             $this->$attr = $_POST[$attr];
 460           }
 461         }
 462         if(isset($_POST['dhcp_is_Account'])){
 463           $this->dhcp_is_Account = TRUE;
 464         }else{
 465           $this->dhcp_is_Account = FALSE;
 466         }
 467       }
 468
 469       /* Ge all non dns attributes (IP/MAC)*/
 470       foreach($this->attributes as $attr){
 471         if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 472           $this->$attr = $_POST[$attr];
 473         }
 474       }
 475
 476       /* Check if DNS should be enabled / disabled */
 477       if($this->DNS_is_account && $this->acl_is_removeable() && !isset($_POST['DNS_is_account'])){
 478         $this->DNS_is_account = false;
 479       }elseif(!$this->DNS_is_account && $this->acl_is_createable() && isset($_POST['DNS_is_account'])){
 480         $this->DNS_is_account = true;
 481       }
 482
 483       /* Get dns attributes */
 484       if(($this->DNSenabled) && (isset($_POST['network_tpl_posted']))){
 485
 486         /* Check for posted record changes */
 487         if(is_array($this->dnsEntry['RECORDS']) && $this->acl_is_writeable("Records")){
 488           foreach($this->dnsEntry['RECORDS'] as $key => $value){
 489
 490             /* Check if type has changed */
 491             if(isset($_POST['RecordTypeSelectedFor_'.$key])){
 492               $this->dnsEntry['RECORDS'][$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
 493             }
 494             /* Check if value has changed */
 495             if(isset($_POST['RecordValue_'.$key])){
 496               $this->dnsEntry['RECORDS'][$key]['value'] = $_POST['RecordValue_'.$key];
 497             }
 498           }
 499         }
 500         /* Get all basic DNS attributes (TTL, Clas ..)*/
 501         foreach($this->DNSattributes as $attr){
 502           if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 503             $this->dnsEntry[$attr] = $_POST[$attr];
 504           }
 505         }
 506
 507
 508       }
 509       if($this->hide_dns_check_box){
 510         $this->DNS_is_account = true;
 511       }
 512     }
 513   }
 514
 515
 516   /* Check supplied data */
 517   function check()
 518   {
 519     /* Call common method to give check the hook */
 520     $message= plugin::check();
 521
 522     /* Check if mac and ip are already used */
 523     if(!empty($this->ipHostNumber) && $this->DNS_is_account &&
 524         $this->ipHostNumber != $this->orig_ipHostNumber &&
 525         in_array("ip:".$this->ipHostNumber,$this->used_ip_mac)){
 526       $message[]= msgPool::duplicated(_("IP address"));
 527     }
 528     if(!empty($this->macAddress) && $this->dhcp_is_Account &&
 529         $this->macAddress != $this->orig_macAddress &&
 530         in_array("mac:".$this->macAddress,$this->used_ip_mac)){
 531       $message[]= msgPool::duplicated(_("MAC address"));
 532     }
 533
 534     /* Check if ip must be given
 535      */
 536     if(($this->IPisMust)||($this->DNS_is_account)){
 537       if (empty($this->ipHostNumber)){
 538         $message[]= msgPool::required(_("IP address"));
 539       }
 540
 541       if (!tests::is_ip($this->ipHostNumber)){
 542         $message[]= msgPool::invalid(_("IP address"), "", "", "192.168.1.10");
 543       }
 544     }
 545
 546     /* Check if mac is empty
 547      */
 548     if ($this->macAddress == "" ){
 549       $message[]= msgPool::required(_("IP address"));
 550     }
 551     if(!tests::is_mac($this->macAddress)){
 552       $message[]= msgPool::invalid(_("MAC address"), "", "", "00:0C:7F:31:33:F1");
 553     }
 554
 555     /* only perfrom this checks if this is a valid DNS account */
 556     if($this->DNS_is_account){
 557
 558       $checkArray = array();
 559       $onlyOnce   = array();
 560
 561       //  $onlyOnce['cNAMERecord'] = 0;
 562        $tmp = array_flip($this->Zones);
 563        $tmp2 = $tmp[$this->dnsEntry['zoneName']];
 564        if(!$this->netmaskIsCoherent($tmp2)){ //this->dnsEntry['zoneName'])){
 565          $tmp2 = preg_replace("/^.*\//","",$tmp2);
 566          $message[] =sprintf(_("The IP address '%s' is not part of the selected reverse zone '%s'!"),$this->ipHostNumber,$tmp2);
 567        }
 568
 569       /* Walk through all entries and detect duplicates or mismatches
 570        */
 571       foreach($this->dnsEntry['RECORDS'] as $name => $values){
 572
 573         /* Count record values, to detect duplicate entries for a specific record
 574          */
 575         if(!isset($checkArray[$values['type']][$values['value']])){
 576           $checkArray[$values['type']][$values['value']] = 0;
 577         }else{
 578           $message[] = sprintf(_("Record type '%s' is duplicated!"),$values['type']);
 579         }
 580
 581         /* Check if given entries in $onlyOnce are used more than once
 582          */
 583         if(isset($onlyOnce[$values['type']])){
 584           $onlyOnce[$values['type']] ++;
 585           if($onlyOnce[$values['type']] > 1){
 586             $message[] = sprintf(_("Uniq record type '%s' is duplicated!"),$values['type']);
 587           }
 588         }
 589
 590         /* Skip txt record ...
 591          */
 592         if($values['type'] == "tXTRecord") continue;
 593
 594         /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress
 595          */
 596         if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)){
 597           #TODO: Where's the problem here?
 598           $message[]=sprintf(_("The IP address '%s' will be added as 'A Record', this will be done automatically, please remove the record."),
 599                $this->ipHostNumber);
 600         }
 601
 602         /* only lower-case is allowed in record entries ...
 603          */
 604         if($values['value'] != strtolower($values['value'])){
 605           #TODO: What's in values['value']? Something for a propper message?
 606           $message[] = sprintf(_("Only lowercase records are allowed, please check your '%ss'."),$values['type']);
 607         }
 608       }
 609     }
 610     return ($message);
 611   }
 612
 613
 614   /* Save to LDAP */
 615   function save()
 616   {
 617     $ldap= $this->config->get_ldap_link();
 618
 619     $dn = $this->parent->dn;
 620
 621     /*******************/
 622     /* IP-MAC HANDLING */
 623     /*******************/
 624
 625     /* $dn was posted as parameter */
 626     $this->dn = $dn;
 627
 628     /* Save DNS setting & ip/Mac*/
 629     plugin::save();
 630
 631     /* Write back to ldap */
 632     $ldap->cd($this->dn);
 633     $this->cleanup();
 634     $ldap->modify ($this->attrs);
 635
 636     /****************/
 637     /* DHCP HANDLING */
 638     /****************/
 639
 640     /* New entry */
 641     if($this->dhcpEnabled){
 642
 643       if(count($this->dhcpHostEntry) == 0){
 644         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 645         $this->dialog->cn = $this->cn;
 646         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 647         if(!empty($this->ipHostNumber)){
 648           $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 649         }
 650         $this->dialog->execute();
 651         $this->dialog->save_object();
 652         $this->dhcpHostEntry = $this->dialog->save();
 653         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
 654           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
 655         }
 656       }
 657
 658       /* Write mac address to dhcp settings */
 659       if($this->dhcp_is_Account){
 660         if(!isset($this->dhcpHostEntry['dhcpHWAddress'][0]) ||
 661             !preg_match("/ethernet ".$this->macAddress."/",$this->dhcpHostEntry['dhcpHWAddress'][0])){
 662           $this->dhcpHostEntry['dhcpHWAddress'] = array("ethernet ".$this->macAddress);
 663           $this->dhcpHostEntry['MODIFIED'] = TRUE;
 664         }
 665       }
 666
 667       /* Updated IP host number */
 668       if($this->dhcp_is_Account){
 669         foreach($this->dhcpHostEntry['dhcpStatements'] as $id => $value){
 670           if(preg_match("/^fixed-address/",$value)){
 671             $this->dhcpHostEntry['dhcpStatements'][$id] = "fixed-address ".$this->ipHostNumber;
 672             $this->dhcpHostEntry['MODIFIED'] = TRUE;
 673           }
 674         }
 675       }
 676
 677       /* Unset dhcpStatements if this attribute is empty  */
 678       if(isset($this->dhcpHostEntry['dhcpStatements']) &&
 679           ($this->dhcpHostEntry['dhcpStatements'] == "" || count($this->dhcpHostEntry['dhcpStatements']) == 0) ){
 680         unset($this->dhcpHostEntry['dhcpStatements']);
 681       }
 682
 683       /* DHCP removed */
 684       if($this->initial_dhcp_is_Account && !$this->dhcp_is_Account){
 685         $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 686         if (!$ldap->success()){
 687           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_DEL, get_class()));
 688         }
 689
 690         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 691         $tmp->handle_post_events("remove");
 692       }
 693
 694       /* DHCP Added */
 695       if(!$this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 696         $attrs = $this->dhcpHostEntry;
 697         unset($attrs['MODIFIED']);
 698         unset($attrs['dn']);
 699         $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 700         $res = $ldap->add($attrs);
 701
 702         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 703         $tmp->handle_post_events("add");
 704
 705         if (!$ldap->success()){
 706           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), "cn=".$this->cn.",".$this->dhcpParentNode, LDAP_ADD, get_class()));
 707         }
 708       }
 709
 710       /* DHCP still activated */
 711       if($this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 712
 713         /* DHCP node changed */
 714         if(($this->initial_dhcpParentNode != $this->dhcpParentNode) ||
 715            ($this->cn != $this->OrigCn)){
 716           $attrs = $this->dhcpHostEntry;
 717           $attrs['cn'] = $this->cn;
 718           unset($attrs['dn']);
 719           unset($attrs['MODIFIED']);
 720           $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 721           $res = $ldap->add($attrs);
 722
 723           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 724           $tmp->handle_post_events("modify");
 725
 726           if (!$ldap->success()){
 727             msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), "cn=".$this->cn.",".$this->dhcpParentNode, LDAP_ADD, get_class()));
 728           }
 729           if($res){
 730             $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 731             if (!$ldap->success()){
 732               msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_DEL, get_class()));
 733             }
 734           }
 735         }
 736
 737         /* SAME node but modified */
 738         if(isset($this->dhcpHostEntry['MODIFIED']) && $this->dhcpHostEntry['MODIFIED'] == 1  &&
 739             $this->initial_dhcpParentNode == $this->dhcpParentNode){
 740           $attrs = $this->dhcpHostEntry;
 741           unset($attrs['dn']);
 742           unset($attrs['MODIFIED']);
 743           $ldap->cd($this->dhcpHostEntry['dn']);
 744           $ldap->modify($attrs);
 745
 746           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 747           $tmp->handle_post_events("modify");
 748
 749           if (!$ldap->success()){
 750             msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_MOD, get_class()));
 751           }
 752         }
 753       }
 754     }
 755     $this->dialog = FALSE;
 756
 757     /****************/
 758     /* DNS HANDLING */
 759     /****************/
 760
 761     /* If isn't DNS account but initially was DNS account
 762        remove all DNS entries
 763      */
 764     if((!$this->DNSenabled) || ((!$this->DNS_is_account)&&(!$this->initially_was_account))){
 765       return;
 766     }else{
 767
 768       /* Add ipHostNumber to aRecords
 769        */
 770       $backup_dnsEntry = $this->dnsEntry;
 771       if(!empty($this->ipHostNumber)){
 772         $this->dnsEntry['RECORDS'][] = array("type"=>"aRecord","value"=>$this->ipHostNumber);
 773         $ptr = $this->get_pTRRecord();
 774         if(!empty($ptr)){
 775           $this->dnsEntry['RECORDS'][] = array("type"=>"pTRRecord","value"=>$ptr);
 776         }
 777       }
 778
 779       /* Create diff and follow instructions
 780        * If Account was disabled, remove account by setting exists to false
 781        */
 782       if((!$this->DNS_is_account)&&($this->initially_was_account)){
 783         $this->dnsEntry['exists'] = false;
 784         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 785       }else{
 786         $this->dnsEntry['exists'] = $this->DNS_is_account;
 787         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 788       }
 789
 790       /* move follwoing entries
 791        */
 792       foreach($tmp['move'] as $src => $dst){
 793         $this->recursive_move($src,$dst);
 794       }
 795
 796       /* Delete dns */
 797       foreach($tmp['del'] as $dn => $del){
 798         $ldap->cd($dn);
 799         $ldap->rmdir_recursive($dn);
 800         new log("modify","unknown/".get_class($this),$dn,array("*"),$ldap->get_error());
 801       }
 802
 803       /* Add || Update new DNS entries
 804        */
 805       foreach($tmp['add'] as $dn => $attrs){
 806         $ldap->cd($dn);
 807         $ldap->cat($dn, array('dn'));
 808         if(count($ldap->fetch())){
 809           $ldap->cd($dn);
 810           $ldap->modify ($attrs);
 811         }else{
 812           $ldap->cd($dn);
 813           $ldap->add($attrs);
 814         }
 815         new log("modify","unknown/".get_class($this),$dn,array_keys($attrs),$ldap->get_error());
 816       }
 817
 818
 819       /* Display errors
 820        */
 821       if (!$ldap->success()){
 822         msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, 0, get_class()));
 823       }
 824
 825       $tmp2 = new servdns($this->config,$this->dn);
 826       $tmp2->handle_post_events("modify");
 827
 828       $this->dnsEntry =  $backup_dnsEntry;
 829     }
 830   }
 831
 832   /*  Create html table with all used record types
 833    */
 834   function generateRecordsList()
 835   {
 836     $changeStateForRecords = "";
 837
 838     if(!$this->DNS_is_account) {
 839       $str = "<input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord' disabled='disabled'>";
 840       return(array("str" => $str, "changeStateForRecords"=> ""));
 841     }
 842
 843     $str = "<table summary='' width='100%'>";
 844     foreach($this->dnsEntry['RECORDS'] as $key => $entry){
 845
 846         $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
 847         $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
 848         $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
 849
 850         $str.=" <tr>".
 851           "   <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
 852           "   <td><input type='text' value='".$entry['value']."' name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
 853           "   <td><input type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
 854           "</tr>";
 855     }
 856
 857     $str.= "  <tr>".
 858            "    <td colspan=2 width='50%'></td><td>".
 859            "      <input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord'>".
 860            "    </td>".
 861            "  </tr>".
 862            "</table>";
 863      $ret =  array("str" => $str, "changeStateForRecords" => $changeStateForRecords);
 864     return($ret);
 865   }
 866
 867
 868   /* Create a html select box which allows us to select different types of records
 869    */
 870   function generateRecordListBox($selected,$name)
 871   {
 872     $str = "<select name='".$name."' id='".$name."'>";
 873     foreach($this->RecordTypes as $type => $value){
 874       $use = "";
 875       if($type == $selected){
 876         $use = " selected ";
 877       }
 878       $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
 879     }
 880     $str.="</select>";
 881     return($str);
 882   }
 883
 884
 885   /* Return plugin informations for acl handling  */
 886   static function plInfo()
 887   {
 888     $tmp =  array(
 889         "plShortName"   => _("DNS"),
 890         "plDescription" => _("DNS settings"),
 891         "plSelfModify"  => FALSE,
 892         "plDepends"     => array(),
 893         "plPriority"    => 5,
 894         "plSection"     => array("administration"),
 895         "plCategory"    => array("workstation","terminal","phone","server","component","printer","winworkstation"),
 896
 897         "plProvidedAcls"=> array(
 898           "ipHostNumber"  => _("IP address"),
 899           "macAddress"    => _("MAC address"))
 900         );
 901
 902     /* Hide all dns specific code, if dns is not available
 903      */
 904     $config = session::get('config');
 905     foreach($config->data['TABS']['SERVERSERVICE'] as $tab){
 906       if(preg_match("/^servdns$/",$tab['CLASS'])){
 907         $tmp['plProvidedAcls']["Records"]        = _("DNS records");
 908         $tmp['plProvidedAcls']["zoneName"]       = _("Zone name");
 909         $tmp['plProvidedAcls']["dNSTTL"]         = _("TTL");
 910         break;
 911       }
 912     }
 913     return($tmp);
 914   }
 915
 916
 917   function get_dhcp_host_entry()
 918   {
 919     $attrs = array();
 920     $dn = $this->get_dhcp_host_entry_dn();
 921     if($dn){
 922       $ldap = $this->config->get_ldap_link();
 923       $ldap->cd($this->config->current['BASE']);
 924       $ldap->cat($dn,array("*"));
 925       if($ldap->count()){
 926         $attrs = $ldap->fetch();
 927         foreach($attrs as $key => $value){
 928           if(is_numeric($key) || ($key == "count")){
 929             unset($attrs[$key]);
 930           }
 931           if(is_array($value) && isset($value['count'])){
 932             unset($attrs[$key]['count']);
 933           }
 934         }
 935       }
 936     }
 937     return($attrs);
 938   }
 939
 940
 941   function get_dhcp_host_entry_dn()
 942   {
 943     $ldap = $this->config->get_ldap_link();
 944     $ldap->cd($this->config->current['BASE']);
 945     $ldap->search ("(&(objectClass=dhcpHost)(cn=".$this->cn."))",array("cn","dn"));
 946
 947     if($ldap->count()){
 948       $attr = $ldap->fetch();
 949       return($attr['dn']);
 950     }else{
 951       return("");
 952     }
 953   }
 954
 955
 956   function get_dhcp_parent_node()
 957   {
 958     return(preg_replace("/^cn=".normalizePreg($this->cn).",/","",$this->get_dhcp_host_entry_dn()));
 959   }
 960
 961
 962   function get_dhcp_parent_nodes()
 963   {
 964     $ldap = $this->config->get_ldap_link();
 965     $ldap->cd($this->config->current['BASE']);
 966     $ldap->search("(objectClass=dhcpService)",array("dhcpPrimaryDN"));
 967
 968     $dhcp_dns = array();
 969     while($attr = $ldap->fetch()){
 970       $dhcp_dns[$attr['dn']] = $attr['dhcpPrimaryDN'][0];
 971     }
 972
 973     foreach($dhcp_dns as $key => $pri_dns){
 974       $ldap->cat($pri_dns,array("cn"));
 975       $tmp = $ldap->fetch();
 976       if(isset($tmp['cn'][0])){
 977         $dhcp_dns[$key] = $tmp['cn'][0];
 978       }else{
 979         unset($dhcp_dns[$key]);
 980       }
 981     }
 982
 983     $tmp = $tmp2 = array();
 984     foreach($dhcp_dns as $dn => $cn){
 985       $ldap->cd($dn);
 986       $ldap->search("(|(objectClass=dhcpService)(objectClass=dhcpGroup)".
 987                     "(objectClass=dhcpSubnet)(objectClass=dhcpSharedNetwork))",array("cn"));
 988       while($attr = $ldap->fetch()){
 989         $tmp[$attr['dn']] = $attr['cn'][0];
 990       }
 991       $tmp2 = array_merge($tmp2,$this->create_tree($tmp,preg_replace("/^[^,]+,/i","",$dn),"(".$cn.")&nbsp;"));
 992     }
 993     return($tmp2);
 994   }
 995
 996
 997   /* this function returns the default ptr record entry */
 998   function get_pTRRecord()
 999   {
1000     if(!empty($this->ipHostNumber) && isset($this->dnsEntry['zoneName']) && !empty($this->dnsEntry['zoneName'])){
1001       $ldap = $this->config->get_ldap_link();
1002       $ldap->cat(DNS::getDNSZoneDN($this->config,$this->dnsEntry['zoneName']));
1003       $attrs = $ldap->fetch();
1004       $tmp = array_flip($this->Zones);
1005       $tmp = preg_replace("/^[^\/]*+\//","",$tmp[$this->dnsEntry['zoneName']]);
1006       $tmp = trim(preg_replace("/\.in-addr.arpa$/","",$tmp));
1007       $ptr = preg_replace("/^".normalizePreg(DNS::FlipIp($tmp))."\./","",$this->ipHostNumber);
1008       return($ptr);
1009     }else{
1010       return(FALSE);
1011     }
1012   }
1013
1014
1015   function generateRandomIP($net = "")
1016   {
1017     $str = $net;
1018     $cnt = 4;
1019     while(substr_count($str,".") < 3 && $cnt > 0){
1020       $str .= ".".rand(0,255);
1021       $str = preg_replace("/\.\.*/",".",$str);
1022       $str = trim($str,". ");
1023       $cnt --;
1024     }
1025     return($str);
1026   }
1027
1028
1029   function create_tree($arr,$base,$current = "")
1030   {
1031     $ret = array();
1032     foreach($arr as $r => $name){
1033       $base_part = str_replace($base,"",$r);
1034       if(preg_match("/^[a-z]*=".normalizePreg($name)."(|,)$/i",$base_part)){
1035         $ret[$r] = $current.$name;
1036         $tmp = $this->create_tree($arr,$r,$current.".&nbsp;");
1037         foreach($tmp as $sub_key => $sub_name){
1038           $ret[$sub_key] = $sub_name;
1039         }
1040       }
1041     }
1042     return($ret);
1043   }
1044
1045   function force_dns()
1046   {
1047     if($this->DNSenabled){
1048
1049       /* Only force DNS account, if we have at least on dns Zone */
1050       if(count($this->Zones)){
1051         $this->DNS_is_account  = TRUE;
1052         $this->hide_dns_check_box = TRUE;
1053       }
1054     }
1055   }
1056 }
1057
1058 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1059 ?>