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     /* Create list of additional ipHostNumber.
  88      */
  89     $this->additionalHostNumbers = array();
  90     if(isset($this->attrs['ipHostNumber']) && $this->attrs['ipHostNumber']['count'] > 1){
  91       for($i = 1 ; $i < $this->attrs['ipHostNumber']['count']; $i ++){
  92         $this->additionalHostNumbers[] = $this->attrs['ipHostNumber'][$i];
  93       }
  94     }
  95
  96     /************
  97      * DHCP
  98      ************/
  99
 100     /* Hide all dhcp specific code, if dhcp plugin is not present in config */
 101     $dhcpEnabled = FALSE;
 102     if($this->config->search("servdhcp","class",array("tabs"))){
 103       $this->dhcpEnabled = TRUE;
 104     }
 105     if($this->dhcpEnabled){
 106       $this->dhcpParentNodes = $this->get_dhcp_parent_nodes();
 107       $this->dhcpParentNode  = $this->get_dhcp_parent_node();
 108       if($this->dhcpParentNode){
 109         $this->dhcp_is_Account = TRUE;
 110         $this->initial_dhcp_is_Account = TRUE;
 111         $this->dhcpHostEntry  = $this->get_dhcp_host_entry();
 112       }
 113       $this->initial_dhcpHostEntry = $this->dhcpHostEntry;
 114       $this->initial_dhcpParentNode= $this->dhcpParentNode;
 115     }
 116
 117
 118     /************
 119      * DNS
 120      ************/
 121
 122     /* Hide all dns specific code, if dns is not available
 123      */
 124     $DNSenabled = false;
 125     foreach($this->config->data['TABS']['SERVERSERVICE'] as $tab){
 126       if(preg_match("/^servdns$/",$tab['CLASS'])){
 127         $this->DNSenabled = true;
 128       }
 129     }
 130     if(!$this->DNSenabled){
 131       $this->DNS_is_account = false;
 132       return;
 133     }
 134
 135     if($this->DNSenabled){
 136
 137       /* Get Zones
 138        */
 139       $this->Zones        = DNS::getAvailableZones($config);
 140
 141       /* Get Entry
 142        */
 143       $this->dnsEntry     = DNS::getDNSHostEntries($config,$this->OrigCn);
 144
 145       /* Remove A record which equals $this->ipHostNumber
 146        */
 147       $ptr = $this->get_pTRRecord();
 148       foreach($this->dnsEntry['RECORDS'] as $key => $rec){
 149         if(($rec['type'] == "aRecord") && ($rec['value'] == $this->ipHostNumber)){
 150           unset($this->dnsEntry['RECORDS'][$key]);
 151         }
 152         if(($rec['type'] == "pTRRecord") && ($rec['value'] == $ptr)){
 153           unset($this->dnsEntry['RECORDS'][$key]);
 154         }
 155       }
 156
 157       /* Get Record types
 158        */
 159       $this->RecordTypes  = DNS::getDnsRecordTypes();
 160
 161       /* If there is at least one entry in this -> types, we have DNS enabled
 162        */
 163       if($this->dnsEntry['exists']){
 164         $this->DNS_is_account = true;
 165       }else{
 166         $this->DNS_is_account = false;
 167       }
 168     }
 169
 170     /* Create a list of used mac and ip addresses.
 171
 172        ! We use this optically huge amount of code to fetch all
 173        Mac and IP addresses, because a simple search for mac and IP
 174        over the whole ldap server was 10 to 20 times slower.
 175      */
 176     $deps  = array();
 177     $ou = preg_replace("/,.*$/","",get_ou("systemsou"));
 178     $a_ous = array(get_ou("serverou"),
 179                   get_ou("terminalou"),
 180                   get_ou("workstationou"),
 181                   get_ou("printerou"),
 182                   get_ou("phoneou"),
 183                   get_ou("componentou"));
 184
 185     $ldap = $this->config->get_ldap_link();
 186     $ldap->cd($this->config->current['BASE']);
 187     $ldap->search("(&(objectClass=organizationalUnit)(".$ou."))",array("dn"));
 188     while($attrs = $ldap->fetch()){
 189       foreach($a_ous as $allowed){
 190         $deps[] = $allowed.$attrs['dn'];
 191       }
 192     }
 193
 194     foreach($deps as $dep){
 195       $ldap->cd($dep);
 196       $ldap->search("(|(macAddress=*)(ipHostNumber=*))",array("macAddress","ipHostNumber"));
 197       while($attrs = $ldap->fetch()){
 198         if(isset($attrs['ipHostNumber'][0])){
 199           $this->used_ip_mac["ip:".$attrs['ipHostNumber'][0]] = "ip:".$attrs['ipHostNumber'][0];
 200         }
 201         if(isset($attrs['macAddress'][0])){
 202           $this->used_ip_mac["mac:".$attrs['macAddress'][0]] = "mac:".$attrs['macAddress'][0];
 203         }
 204       }
 205     }
 206
 207     /* Save initial ip and mac values, to be able
 208         check if the used values are already in use */
 209     $this->orig_ipHostNumber   = $this->ipHostNumber;
 210     $this->orig_macAddress     = $this->macAddress;
 211
 212     /* Store initally account settings
 213      */
 214     $this->initially_was_account = $this->DNS_is_account;
 215
 216     if($this->DNS_is_account){
 217       new log("view","unknown/".get_class($this),$this->dn);
 218     }
 219   }
 220
 221
 222   function netmaskIsCoherent($idZone)
 223   {
 224     $netmask = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($idZone)));
 225     if(!strstr($this->ipHostNumber, $netmask)){
 226       return false;
 227     }else{
 228       return true;
 229     }
 230   }
 231
 232
 233   function getVarsForSaving($attrs)
 234   {
 235     foreach($this->attributes as $attr){
 236       if(!empty($this->$attr)){
 237         $attrs[$attr] = $this->$attr;
 238       }
 239     }
 240     return($attrs);
 241   }
 242
 243   function execute()
 244   {
 245           /* Call parent execute */
 246     $smarty= get_smarty();
 247
 248     $tmp = $this->plInfo();
 249     foreach($tmp['plProvidedAcls'] as $name => $translation){
 250       $smarty->assign($name."ACL",$this->getacl($name));
 251     }
 252
 253     $display= "";
 254
 255     /**********
 256      * Additional ipHostNumber handling
 257      **********/
 258
 259     /* Add a new one */
 260     if(isset($_POST['additionalHostNumbers_add'])){
 261       if(!is_array($this->additionalHostNumbers)){
 262         $this->additionalHostNumbers=array();
 263       }
 264       $this->additionalHostNumbers[] = "";
 265     }
 266
 267     /* Delete given entry */
 268     foreach($this->additionalHostNumbers as $id => $value){
 269       if(isset($_POST['additionalHostNumbers_del_'.$id])){
 270         unset($this->additionalHostNumbers[$id]);
 271         $this->additionalHostNumbers = array_values($this->additionalHostNumbers);
 272       }
 273     }
 274
 275     $smarty->assign("additionalHostNumbers",$this->additionalHostNumbers);
 276     $smarty->assign("staticAddress", "");
 277
 278     /**********
 279      * Autonet completion
 280      **********/
 281
 282     /* Check for autonet button */
 283     if (isset($_POST['autonet'])){
 284       $d= new gosaSupportDaemon(TRUE, 0.5);
 285       $res= $d->_send("<xml><header>gosa_network_completition</header><source>GOSA</source><target>GOSA</target><hostname>".$this->cn."</hostname></xml>", TRUE);
 286       if (isset($res['XML']['IP'])){
 287         $this->ipHostNumber= $res['XML']['IP'];
 288       }
 289       if (isset($res['XML']['MAC'])){
 290         $this->macAddress= $res['XML']['MAC'];
 291       }
 292     }
 293
 294
 295     /**********
 296      * DHCP Handling
 297      **********/
 298
 299     if(isset($_POST['dhcpEditOptions'])){
 300
 301       if(count($this->dhcpHostEntry) == 0){
 302         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 303       }else{
 304         $this->dialog = new dhcpHost($this->dhcpHostEntry,TRUE);
 305       }
 306       $this->dialog->cn = $this->cn;
 307       $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 308       if(!empty($this->ipHostNumber)){
 309         $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 310       }
 311     }
 312
 313     if(isset($_POST['cancel_dhcp'])){
 314       $this->dialog = FALSE;
 315     }
 316
 317     if(isset($_POST['save_dhcp'])){
 318       $this->dialog->save_object();
 319
 320       $msgs = $this->dialog->check(array());
 321       if(count($msgs)){
 322         foreach($msgs as $msg){
 323           msg_dialog::display(_("Error"), $msg, ERROR_DIALOG);
 324         }
 325       }else{
 326         $this->dhcpHostEntry = $this->dialog->save();
 327         $this->dialog = FALSE;
 328       }
 329     }
 330
 331     if(is_object($this->dialog)){
 332       $this->dialog->save_object();
 333       return($this->dialog->execute());
 334     }
 335
 336     $smarty->assign("dhcpEnabled",    $this->dhcpEnabled);
 337     $smarty->assign("dhcp_is_Account",$this->dhcp_is_Account);
 338     $smarty->assign("dhcpParentNode", $this->dhcpParentNode);
 339     $smarty->assign("dhcpParentNodes",$this->dhcpParentNodes);
 340     $smarty->assign("dhcpParentNodeCnt",count($this->dhcpParentNodes));
 341
 342
 343     /**********
 344      * DNS Handling
 345      **********/
 346
 347     /* There is no dns available
 348      */
 349     $smarty->assign("DNS_is_account",$this->DNS_is_account);
 350     $smarty->assign("DNSenabled",$this->DNSenabled);
 351     if($this->DNSenabled == false){
 352
 353       /* Is IP address must ? */
 354 #      $smarty->assign("DNS_is_account",false);
 355       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 356
 357       /* Assign smarty all non DNs attributes */
 358       foreach($this->attributes as $attr){
 359         $smarty->assign($attr,$this->$attr);
 360       }
 361       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 362
 363       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 364     }else{
 365  #     $smarty->assign("DNS_is_account",true);
 366
 367       /* Add new empty array to our record list */
 368       if(isset($_POST['AddNewRecord'])){
 369         $this->dnsEntry['RECORDS'][]  =array("type"=>"aRecord","value"=>"");
 370       }
 371
 372       /* propose_ip */
 373       if(isset($_POST['propose_ip'])){
 374         foreach($this->Zones as $key => $name){
 375           if($name == $this->dnsEntry['zoneName']){
 376             $net = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($key)));
 377             $this->ipHostNumber = $this->generateRandomIp($net);
 378           }
 379         }
 380       }
 381
 382       /* Handle all posts */
 383       $only_once =true;
 384       foreach($_POST as $name => $value){
 385
 386         /* Check if we have to delete a record entry */
 387         if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
 388
 389           /* Avoid performing this once again */
 390           $only_once = false;
 391
 392           /* Extract id for specified entry */
 393           $id = preg_replace("/RemoveRecord_/","",$name);
 394           $id = preg_replace("/_.*$/","",$id);
 395
 396           /* Delete this record, mark edited entries to be able to delete them */
 397           if(isset($this->dnsEntry['RECORDS'][$id])){
 398             unset($this->dnsEntry['RECORDS'][$id]);
 399           }
 400         }
 401       }
 402       /* Assign smarty all non DNs attributes */
 403       foreach($this->attributes as $attr){
 404         $smarty->assign($attr,$this->$attr);
 405       }
 406
 407       /* Assign smarty all DNS attributes */
 408       foreach($this->DNSattributes as $attr){
 409         $smarty->assign($attr,$this->dnsEntry[$attr]);
 410       }
 411
 412       /* Assign all needed vars */
 413  #     $smarty->assign("DNSAccount",$this->DNS_is_account);
 414       $smarty->assign("hide_dns_check_box",$this->hide_dns_check_box);
 415
 416       $smarty->assign("Zones",$this->Zones);
 417       $smarty->assign("ZoneCnt",count($this->Zones));
 418       $smarty->assign("ZoneKeys",($this->Zones));
 419       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 420
 421       /* Create zone array */
 422       $idZones = array();
 423       foreach($this->Zones as $id => $zone){
 424         if($this->netmaskIsCoherent($id)) {
 425           $idZones[$id] = $zone;
 426         }else{
 427           $idZones[$id] = $zone."&nbsp;("._("Not matching").")";
 428         }
 429       }
 430       $smarty->assign("Zones",$idZones);
 431       $smarty->assign("ZoneKeys", $this->Zones);
 432
 433       $tmp = $this->generateRecordsList();
 434
 435       $changeStateForRecords = $tmp['changeStateForRecords'];
 436
 437       $smarty->assign("records",$tmp['str']);
 438       $smarty->assign("changeStateForRecords",$changeStateForRecords);
 439       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 440
 441       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 442     }
 443
 444     return($display);
 445   }
 446
 447
 448   function remove_from_parent()
 449   {
 450     if($this->initially_was_account){
 451
 452       $ldap = $this->config->get_ldap_link();
 453
 454       $tmp = array();
 455       $this->dnsEntry['exists'] = false;
 456       $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 457
 458       /* Delete dns */
 459       foreach($tmp['del'] as $dn => $del){
 460         $ldap->cd($dn);
 461         $ldap->rmdir_recursive($dn);
 462         new log("remove","unknown/".get_class($this),$dn);
 463         if (!$ldap->success()){
 464           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, LDAP_DEL, get_class()));
 465         }
 466       }
 467     }
 468   }
 469
 470
 471   /* Save data to object */
 472   function save_object()
 473   {
 474
 475     if(isset($_POST['network_tpl_posted'])){
 476
 477       /* Save all posted vars */
 478       plugin::save_object();
 479
 480       /******
 481         Additional IP Host Numbers
 482        ******/
 483
 484       /* Get posts for all additionally added ipHostNumbers */
 485       foreach($this->additionalHostNumbers as $id => $value){
 486         if(isset($_POST['additionalHostNumbers_'.$id])){
 487           $this->additionalHostNumbers[$id] = get_post('additionalHostNumbers_'.$id);
 488         }
 489       }
 490
 491
 492       /******
 493         DHCP posts
 494        ******/
 495
 496       if($this->dhcpEnabled && isset($_POST['network_tpl_posted'])){
 497         foreach($this->dhcpAttributes as $attr){
 498           if(isset($_POST[$attr])){
 499             $this->$attr = $_POST[$attr];
 500           }
 501         }
 502         if(isset($_POST['dhcp_is_Account'])){
 503           $this->dhcp_is_Account = TRUE;
 504         }else{
 505           $this->dhcp_is_Account = FALSE;
 506         }
 507       }
 508
 509       /* Ge all non dns attributes (IP/MAC)*/
 510       foreach($this->attributes as $attr){
 511         if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 512           $this->$attr = $_POST[$attr];
 513         }
 514       }
 515
 516
 517       /******
 518         DNS posts
 519        ******/
 520
 521       /* Check if DNS should be enabled / disabled */
 522       if($this->DNS_is_account && $this->acl_is_removeable() && !isset($_POST['DNS_is_account'])){
 523         $this->DNS_is_account = false;
 524       }elseif(!$this->DNS_is_account && $this->acl_is_createable() && isset($_POST['DNS_is_account'])){
 525         $this->DNS_is_account = true;
 526       }
 527
 528       /* Get dns attributes */
 529       if(($this->DNSenabled) && (isset($_POST['network_tpl_posted']))){
 530
 531         /* Check for posted record changes */
 532         if(is_array($this->dnsEntry['RECORDS']) && $this->acl_is_writeable("Records")){
 533           foreach($this->dnsEntry['RECORDS'] as $key => $value){
 534
 535             /* Check if type has changed */
 536             if(isset($_POST['RecordTypeSelectedFor_'.$key])){
 537               $this->dnsEntry['RECORDS'][$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
 538             }
 539             /* Check if value has changed */
 540             if(isset($_POST['RecordValue_'.$key])){
 541               $this->dnsEntry['RECORDS'][$key]['value'] = $_POST['RecordValue_'.$key];
 542             }
 543           }
 544         }
 545         /* Get all basic DNS attributes (TTL, Clas ..)*/
 546         foreach($this->DNSattributes as $attr){
 547           if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 548             $this->dnsEntry[$attr] = $_POST[$attr];
 549           }
 550         }
 551
 552
 553       }
 554       if($this->hide_dns_check_box){
 555         $this->DNS_is_account = true;
 556       }
 557     }
 558   }
 559
 560
 561   /* Check supplied data */
 562   function check()
 563   {
 564     /* Call common method to give check the hook */
 565     $message= plugin::check();
 566
 567     /******
 568       check additional IP Host Numbers
 569      ******/
 570
 571     foreach($this->additionalHostNumbers as $id => $value){
 572       if(!tests::is_ip($value)){
 573         $message[]= msgPool::invalid(sprintf(_("IP address #%s"),($id +2)), "", "", "192.168.1.10");
 574       }
 575     }
 576
 577
 578     /* Check if mac and ip are already used */
 579     if(!empty($this->ipHostNumber) && $this->DNS_is_account &&
 580         $this->ipHostNumber != $this->orig_ipHostNumber &&
 581         in_array("ip:".$this->ipHostNumber,$this->used_ip_mac)){
 582       $message[]= msgPool::duplicated(_("IP address"));
 583     }
 584     if(!empty($this->macAddress) && $this->dhcp_is_Account &&
 585         $this->macAddress != $this->orig_macAddress &&
 586         in_array("mac:".$this->macAddress,$this->used_ip_mac)){
 587       $message[]= msgPool::duplicated(_("MAC address"));
 588     }
 589
 590     /* Check if ip must be given
 591      */
 592     if(($this->IPisMust)||($this->DNS_is_account)){
 593       if (empty($this->ipHostNumber)){
 594         $message[]= msgPool::required(_("IP address"));
 595       }
 596
 597       if (!tests::is_ip($this->ipHostNumber)){
 598         $message[]= msgPool::invalid(_("IP address"), "", "", "192.168.1.10");
 599       }
 600     }
 601
 602     /* Check if mac is empty
 603      */
 604     if ($this->macAddress == "" ){
 605       $message[]= msgPool::required(_("IP address"));
 606     }
 607     if(!tests::is_mac($this->macAddress)){
 608       $message[]= msgPool::invalid(_("MAC address"), "", "", "00:0C:7F:31:33:F1");
 609     }
 610
 611     /* only perfrom this checks if this is a valid DNS account */
 612     if($this->DNS_is_account){
 613
 614       $checkArray = array();
 615       $onlyOnce   = array();
 616
 617       //  $onlyOnce['cNAMERecord'] = 0;
 618        $tmp = array_flip($this->Zones);
 619        $tmp2 = $tmp[$this->dnsEntry['zoneName']];
 620        if(!$this->netmaskIsCoherent($tmp2)){ //this->dnsEntry['zoneName'])){
 621          $tmp2 = preg_replace("/^.*\//","",$tmp2);
 622          $message[] =sprintf(_("The IP address '%s' is not part of the selected reverse zone '%s'!"),$this->ipHostNumber,$tmp2);
 623        }
 624
 625       /* Walk through all entries and detect duplicates or mismatches
 626        */
 627       foreach($this->dnsEntry['RECORDS'] as $name => $values){
 628
 629         /* Count record values, to detect duplicate entries for a specific record
 630          */
 631         if(!isset($checkArray[$values['type']][$values['value']])){
 632           $checkArray[$values['type']][$values['value']] = 0;
 633         }else{
 634           $message[] = sprintf(_("Record type '%s' is duplicated!"),$values['type']);
 635         }
 636
 637         /* Check if given entries in $onlyOnce are used more than once
 638          */
 639         if(isset($onlyOnce[$values['type']])){
 640           $onlyOnce[$values['type']] ++;
 641           if($onlyOnce[$values['type']] > 1){
 642             $message[] = sprintf(_("Uniq record type '%s' is duplicated!"),$values['type']);
 643           }
 644         }
 645
 646         /* Skip txt record ...
 647          */
 648         if($values['type'] == "tXTRecord") continue;
 649
 650         /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress
 651          */
 652         if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)){
 653           #TODO: Where's the problem here?
 654           $message[]=sprintf(_("The IP address '%s' will be added as 'A Record', this will be done automatically, please remove the record."),
 655                $this->ipHostNumber);
 656         }
 657
 658         /* only lower-case is allowed in record entries ...
 659          */
 660         if($values['value'] != strtolower($values['value'])){
 661           #TODO: What's in values['value']? Something for a propper message?
 662           $message[] = sprintf(_("Only lowercase records are allowed, please check your '%ss'."),$values['type']);
 663         }
 664       }
 665     }
 666     return ($message);
 667   }
 668
 669
 670   /* Save to LDAP */
 671   function save()
 672   {
 673     $ldap= $this->config->get_ldap_link();
 674
 675     $dn = $this->parent->dn;
 676
 677     /*******************/
 678     /* IP-MAC HANDLING */
 679     /*******************/
 680
 681     /* $dn was posted as parameter */
 682     $this->dn = $dn;
 683
 684     /* Save DNS setting & ip/Mac*/
 685     plugin::save();
 686
 687     /* Add all additional ipHostNumbers now
 688      */
 689     $this->attrs['ipHostNumber'] = array($this->ipHostNumber);
 690     foreach($this->additionalHostNumbers as $value){
 691       $this->attrs['ipHostNumber'][] = $value;
 692     }
 693
 694     /* Write back to ldap */
 695     $ldap->cd($this->dn);
 696     $this->cleanup();
 697     $ldap->modify ($this->attrs);
 698
 699     /****************/
 700     /* DHCP HANDLING */
 701     /****************/
 702
 703     /* New entry */
 704     if($this->dhcpEnabled){
 705
 706       if(count($this->dhcpHostEntry) == 0){
 707         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 708         $this->dialog->cn = $this->cn;
 709         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 710         if(!empty($this->ipHostNumber)){
 711           $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 712         }
 713         $this->dialog->execute();
 714         $this->dialog->save_object();
 715         $this->dhcpHostEntry = $this->dialog->save();
 716         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
 717           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
 718         }
 719       }
 720
 721       /* Write mac address to dhcp settings */
 722       if($this->dhcp_is_Account){
 723         if(!isset($this->dhcpHostEntry['dhcpHWAddress'][0]) ||
 724             !preg_match("/ethernet ".$this->macAddress."/",$this->dhcpHostEntry['dhcpHWAddress'][0])){
 725           $this->dhcpHostEntry['dhcpHWAddress'] = array("ethernet ".$this->macAddress);
 726           $this->dhcpHostEntry['MODIFIED'] = TRUE;
 727         }
 728       }
 729
 730       /* Updated IP host number */
 731       if($this->dhcp_is_Account){
 732         foreach($this->dhcpHostEntry['dhcpStatements'] as $id => $value){
 733           if(preg_match("/^fixed-address/",$value)){
 734             $this->dhcpHostEntry['dhcpStatements'][$id] = "fixed-address ".$this->ipHostNumber;
 735             $this->dhcpHostEntry['MODIFIED'] = TRUE;
 736           }
 737         }
 738       }
 739
 740       /* Unset dhcpStatements if this attribute is empty  */
 741       if(isset($this->dhcpHostEntry['dhcpStatements']) &&
 742           ($this->dhcpHostEntry['dhcpStatements'] == "" || count($this->dhcpHostEntry['dhcpStatements']) == 0) ){
 743         unset($this->dhcpHostEntry['dhcpStatements']);
 744       }
 745
 746       /* DHCP removed */
 747       if($this->initial_dhcp_is_Account && !$this->dhcp_is_Account){
 748         $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 749         if (!$ldap->success()){
 750           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_DEL, get_class()));
 751         }
 752
 753         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 754         $tmp->handle_post_events("remove");
 755       }
 756
 757       /* DHCP Added */
 758       if(!$this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 759         $attrs = $this->dhcpHostEntry;
 760         unset($attrs['MODIFIED']);
 761         unset($attrs['dn']);
 762         $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 763         $res = $ldap->add($attrs);
 764
 765         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 766         $tmp->handle_post_events("add");
 767
 768         if (!$ldap->success()){
 769           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), "cn=".$this->cn.",".$this->dhcpParentNode, LDAP_ADD, get_class()));
 770         }
 771       }
 772
 773       /* DHCP still activated */
 774       if($this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 775
 776         /* DHCP node changed */
 777         if(($this->initial_dhcpParentNode != $this->dhcpParentNode) ||
 778            ($this->cn != $this->OrigCn)){
 779           $attrs = $this->dhcpHostEntry;
 780           $attrs['cn'] = $this->cn;
 781           unset($attrs['dn']);
 782           unset($attrs['MODIFIED']);
 783           $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 784           $res = $ldap->add($attrs);
 785
 786           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 787           $tmp->handle_post_events("modify");
 788
 789           if (!$ldap->success()){
 790             msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), "cn=".$this->cn.",".$this->dhcpParentNode, LDAP_ADD, get_class()));
 791           }
 792           if($res){
 793             $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 794             if (!$ldap->success()){
 795               msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_DEL, get_class()));
 796             }
 797           }
 798         }
 799
 800         /* SAME node but modified */
 801         if(isset($this->dhcpHostEntry['MODIFIED']) && $this->dhcpHostEntry['MODIFIED'] == 1  &&
 802             $this->initial_dhcpParentNode == $this->dhcpParentNode){
 803           $attrs = $this->dhcpHostEntry;
 804           unset($attrs['dn']);
 805           unset($attrs['MODIFIED']);
 806           $ldap->cd($this->dhcpHostEntry['dn']);
 807           $ldap->modify($attrs);
 808
 809           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 810           $tmp->handle_post_events("modify");
 811
 812           if (!$ldap->success()){
 813             msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_MOD, get_class()));
 814           }
 815         }
 816       }
 817     }
 818     $this->dialog = FALSE;
 819
 820     /****************/
 821     /* DNS HANDLING */
 822     /****************/
 823
 824     /* If isn't DNS account but initially was DNS account
 825        remove all DNS entries
 826      */
 827     if((!$this->DNSenabled) || ((!$this->DNS_is_account)&&(!$this->initially_was_account))){
 828       return;
 829     }else{
 830
 831       /* Add ipHostNumber to aRecords
 832        */
 833       $backup_dnsEntry = $this->dnsEntry;
 834       if(!empty($this->ipHostNumber)){
 835         $this->dnsEntry['RECORDS'][] = array("type"=>"aRecord","value"=>$this->ipHostNumber);
 836         $ptr = $this->get_pTRRecord();
 837         if(!empty($ptr)){
 838           $this->dnsEntry['RECORDS'][] = array("type"=>"pTRRecord","value"=>$ptr);
 839         }
 840       }
 841
 842       /* Create diff and follow instructions
 843        * If Account was disabled, remove account by setting exists to false
 844        */
 845       if((!$this->DNS_is_account)&&($this->initially_was_account)){
 846         $this->dnsEntry['exists'] = false;
 847         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 848       }else{
 849         $this->dnsEntry['exists'] = $this->DNS_is_account;
 850         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 851       }
 852
 853       /* move follwoing entries
 854        */
 855       foreach($tmp['move'] as $src => $dst){
 856         $this->recursive_move($src,$dst);
 857       }
 858
 859       /* Delete dns */
 860       foreach($tmp['del'] as $dn => $del){
 861         $ldap->cd($dn);
 862         $ldap->rmdir_recursive($dn);
 863         new log("modify","unknown/".get_class($this),$dn,array("*"),$ldap->get_error());
 864       }
 865
 866       /* Add || Update new DNS entries
 867        */
 868       foreach($tmp['add'] as $dn => $attrs){
 869         $ldap->cd($dn);
 870         $ldap->cat($dn, array('dn'));
 871         if(count($ldap->fetch())){
 872           $ldap->cd($dn);
 873           $ldap->modify ($attrs);
 874         }else{
 875           $ldap->cd($dn);
 876           $ldap->add($attrs);
 877         }
 878         new log("modify","unknown/".get_class($this),$dn,array_keys($attrs),$ldap->get_error());
 879       }
 880
 881
 882       /* Display errors
 883        */
 884       if (!$ldap->success()){
 885         msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, 0, get_class()));
 886       }
 887
 888       $tmp2 = new servdns($this->config,$this->dn);
 889       $tmp2->handle_post_events("modify");
 890
 891       $this->dnsEntry =  $backup_dnsEntry;
 892     }
 893   }
 894
 895   /*  Create html table with all used record types
 896    */
 897   function generateRecordsList()
 898   {
 899     $changeStateForRecords = "";
 900
 901     if(!$this->DNS_is_account) {
 902       $str = "<input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord' disabled='disabled'>";
 903       return(array("str" => $str, "changeStateForRecords"=> ""));
 904     }
 905
 906     $str = "<table summary='' width='100%'>";
 907     foreach($this->dnsEntry['RECORDS'] as $key => $entry){
 908
 909         $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
 910         $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
 911         $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
 912
 913         $str.=" <tr>".
 914           "   <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
 915           "   <td><input type='text' value='".$entry['value']."' name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
 916           "   <td><input type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
 917           "</tr>";
 918     }
 919
 920     $str.= "  <tr>".
 921            "    <td colspan=2 width='50%'></td><td>".
 922            "      <input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord'>".
 923            "    </td>".
 924            "  </tr>".
 925            "</table>";
 926      $ret =  array("str" => $str, "changeStateForRecords" => $changeStateForRecords);
 927     return($ret);
 928   }
 929
 930
 931   /* Create a html select box which allows us to select different types of records
 932    */
 933   function generateRecordListBox($selected,$name)
 934   {
 935     $str = "<select name='".$name."' id='".$name."'>";
 936     foreach($this->RecordTypes as $type => $value){
 937       $use = "";
 938       if($type == $selected){
 939         $use = " selected ";
 940       }
 941       $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
 942     }
 943     $str.="</select>";
 944     return($str);
 945   }
 946
 947
 948   /* Return plugin informations for acl handling  */
 949   static function plInfo()
 950   {
 951     $tmp =  array(
 952         "plShortName"   => _("DNS"),
 953         "plDescription" => _("DNS settings"),
 954         "plSelfModify"  => FALSE,
 955         "plDepends"     => array(),
 956         "plPriority"    => 5,
 957         "plSection"     => array("administration"),
 958         "plCategory"    => array("workstation","terminal","phone","server","component","printer","winworkstation"),
 959
 960         "plProvidedAcls"=> array(
 961           "ipHostNumber"  => _("IP address"),
 962           "macAddress"    => _("MAC address"))
 963         );
 964
 965     /* Hide all dns specific code, if dns is not available
 966      */
 967     $config = session::get('config');
 968     foreach($config->data['TABS']['SERVERSERVICE'] as $tab){
 969       if(preg_match("/^servdns$/",$tab['CLASS'])){
 970         $tmp['plProvidedAcls']["Records"]        = _("DNS records");
 971         $tmp['plProvidedAcls']["zoneName"]       = _("Zone name");
 972         $tmp['plProvidedAcls']["dNSTTL"]         = _("TTL");
 973         break;
 974       }
 975     }
 976     return($tmp);
 977   }
 978
 979
 980   function get_dhcp_host_entry()
 981   {
 982     $attrs = array();
 983     $dn = $this->get_dhcp_host_entry_dn();
 984     if($dn){
 985       $ldap = $this->config->get_ldap_link();
 986       $ldap->cd($this->config->current['BASE']);
 987       $ldap->cat($dn,array("*"));
 988       if($ldap->count()){
 989         $attrs = $ldap->fetch();
 990         foreach($attrs as $key => $value){
 991           if(is_numeric($key) || ($key == "count")){
 992             unset($attrs[$key]);
 993           }
 994           if(is_array($value) && isset($value['count'])){
 995             unset($attrs[$key]['count']);
 996           }
 997         }
 998       }
 999     }
1000     return($attrs);
1001   }
1002
1003
1004   function get_dhcp_host_entry_dn()
1005   {
1006     $ldap = $this->config->get_ldap_link();
1007     $ldap->cd($this->config->current['BASE']);
1008     $ldap->search ("(&(objectClass=dhcpHost)(cn=".$this->cn."))",array("cn","dn"));
1009
1010     if($ldap->count()){
1011       $attr = $ldap->fetch();
1012       return($attr['dn']);
1013     }else{
1014       return("");
1015     }
1016   }
1017
1018
1019   function get_dhcp_parent_node()
1020   {
1021     return(preg_replace("/^cn=".normalizePreg($this->cn).",/","",$this->get_dhcp_host_entry_dn()));
1022   }
1023
1024
1025   function get_dhcp_parent_nodes()
1026   {
1027     $ldap = $this->config->get_ldap_link();
1028     $ldap->cd($this->config->current['BASE']);
1029     $ldap->search("(objectClass=dhcpService)",array("dhcpPrimaryDN"));
1030
1031     $dhcp_dns = array();
1032     while($attr = $ldap->fetch()){
1033       $dhcp_dns[$attr['dn']] = $attr['dhcpPrimaryDN'][0];
1034     }
1035
1036     foreach($dhcp_dns as $key => $pri_dns){
1037       $ldap->cat($pri_dns,array("cn"));
1038       $tmp = $ldap->fetch();
1039       if(isset($tmp['cn'][0])){
1040         $dhcp_dns[$key] = $tmp['cn'][0];
1041       }else{
1042         unset($dhcp_dns[$key]);
1043       }
1044     }
1045
1046     $tmp = $tmp2 = array();
1047     foreach($dhcp_dns as $dn => $cn){
1048       $ldap->cd($dn);
1049       $ldap->search("(|(objectClass=dhcpService)(objectClass=dhcpGroup)".
1050                     "(objectClass=dhcpSubnet)(objectClass=dhcpSharedNetwork))",array("cn"));
1051       while($attr = $ldap->fetch()){
1052         $tmp[$attr['dn']] = $attr['cn'][0];
1053       }
1054       $tmp2 = array_merge($tmp2,$this->create_tree($tmp,preg_replace("/^[^,]+,/i","",$dn),"(".$cn.")&nbsp;"));
1055     }
1056     return($tmp2);
1057   }
1058
1059
1060   /* this function returns the default ptr record entry */
1061   function get_pTRRecord()
1062   {
1063     if(!empty($this->ipHostNumber) && isset($this->dnsEntry['zoneName']) && !empty($this->dnsEntry['zoneName'])){
1064       $ldap = $this->config->get_ldap_link();
1065       $ldap->cat(DNS::getDNSZoneDN($this->config,$this->dnsEntry['zoneName']));
1066       $attrs = $ldap->fetch();
1067       $tmp = array_flip($this->Zones);
1068       $tmp = preg_replace("/^[^\/]*+\//","",$tmp[$this->dnsEntry['zoneName']]);
1069       $tmp = trim(preg_replace("/\.in-addr.arpa$/","",$tmp));
1070       $ptr = preg_replace("/^".normalizePreg(DNS::FlipIp($tmp))."\./","",$this->ipHostNumber);
1071       return($ptr);
1072     }else{
1073       return(FALSE);
1074     }
1075   }
1076
1077
1078   function generateRandomIP($net = "")
1079   {
1080     $str = $net;
1081     $cnt = 4;
1082     while(substr_count($str,".") < 3 && $cnt > 0){
1083       $str .= ".".rand(0,255);
1084       $str = preg_replace("/\.\.*/",".",$str);
1085       $str = trim($str,". ");
1086       $cnt --;
1087     }
1088     return($str);
1089   }
1090
1091
1092   function create_tree($arr,$base,$current = "")
1093   {
1094     $ret = array();
1095     foreach($arr as $r => $name){
1096       $base_part = str_replace($base,"",$r);
1097       if(preg_match("/^[a-z]*=".normalizePreg($name)."(|,)$/i",$base_part)){
1098         $ret[$r] = $current.$name;
1099         $tmp = $this->create_tree($arr,$r,$current.".&nbsp;");
1100         foreach($tmp as $sub_key => $sub_name){
1101           $ret[$sub_key] = $sub_name;
1102         }
1103       }
1104     }
1105     return($ret);
1106   }
1107
1108   function force_dns()
1109   {
1110     if($this->DNSenabled){
1111
1112       /* Only force DNS account, if we have at least on dns Zone */
1113       if(count($this->Zones)){
1114         $this->DNS_is_account  = TRUE;
1115         $this->hide_dns_check_box = TRUE;
1116       }
1117     }
1118   }
1119 }
1120
1121 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1122 ?>