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
 106     if(!class_available("dhcpHost")){
 107       $this->dhcpEnabled = FALSE;
 108     }
 109
 110     if($this->dhcpEnabled){
 111       $this->dhcpParentNodes = $this->get_dhcp_parent_nodes();
 112       $this->dhcpParentNode  = $this->get_dhcp_parent_node();
 113       if($this->dhcpParentNode){
 114         $this->dhcp_is_Account = TRUE;
 115         $this->initial_dhcp_is_Account = TRUE;
 116         $this->dhcpHostEntry  = $this->get_dhcp_host_entry();
 117       }
 118       $this->initial_dhcpHostEntry = $this->dhcpHostEntry;
 119       $this->initial_dhcpParentNode= $this->dhcpParentNode;
 120     }
 121
 122
 123     /************
 124      * DNS
 125      ************/
 126
 127     /* Hide all dns specific code, if dns is not available
 128      */
 129     $DNSenabled = false;
 130     foreach($this->config->data['TABS']['SERVERSERVICE'] as $tab){
 131       if(preg_match("/^servdns$/",$tab['CLASS'])){
 132         $this->DNSenabled = true;
 133       }
 134     }
 135
 136     if(!class_available("DNS")){
 137       $this->DNSenabled = FALSE;
 138     }
 139
 140     if(!$this->DNSenabled){
 141       $this->DNS_is_account = false;
 142       return;
 143     }
 144
 145     if($this->DNSenabled){
 146
 147       /* Get Zones
 148        */
 149       $this->Zones        = DNS::getAvailableZones($config);
 150
 151       /* Get Entry
 152        */
 153       $this->dnsEntry     = DNS::getDNSHostEntries($config,$this->OrigCn);
 154
 155       /* Remove A record which equals $this->ipHostNumber
 156        */
 157       $ptr = $this->get_pTRRecord();
 158       foreach($this->dnsEntry['RECORDS'] as $key => $rec){
 159         if(($rec['type'] == "aRecord") && ($rec['value'] == $this->ipHostNumber)){
 160           unset($this->dnsEntry['RECORDS'][$key]);
 161         }
 162         if(($rec['type'] == "pTRRecord") && ($rec['value'] == $ptr)){
 163           unset($this->dnsEntry['RECORDS'][$key]);
 164         }
 165       }
 166
 167       /* Get Record types
 168        */
 169       $this->RecordTypes  = DNS::getDnsRecordTypes();
 170
 171       /* If there is at least one entry in this -> types, we have DNS enabled
 172        */
 173       if($this->dnsEntry['exists']){
 174         $this->DNS_is_account = true;
 175       }else{
 176         $this->DNS_is_account = false;
 177       }
 178     }
 179
 180     /* Create a list of used mac and ip addresses.
 181
 182        ! We use this optically huge amount of code to fetch all
 183        Mac and IP addresses, because a simple search for mac and IP
 184        over the whole ldap server was 10 to 20 times slower.
 185      */
 186     $deps  = array();
 187     $ou = preg_replace("/,.*$/","",get_ou("systemsou"));
 188     $a_ous = array(get_ou("serverou"),
 189                   get_ou("terminalou"),
 190                   get_ou("workstationou"),
 191                   get_ou("printerou"),
 192                   get_ou("phoneou"),
 193                   get_ou("componentou"));
 194
 195     $ldap = $this->config->get_ldap_link();
 196     $ldap->cd($this->config->current['BASE']);
 197     $ldap->search("(&(objectClass=organizationalUnit)(".$ou."))",array("dn"));
 198     while($attrs = $ldap->fetch()){
 199       foreach($a_ous as $allowed){
 200         $deps[] = $allowed.$attrs['dn'];
 201       }
 202     }
 203
 204     foreach($deps as $dep){
 205       $ldap->cd($dep);
 206       $ldap->search("(|(macAddress=*)(ipHostNumber=*))",array("macAddress","ipHostNumber"));
 207       while($attrs = $ldap->fetch()){
 208         if(isset($attrs['ipHostNumber'][0])){
 209           $this->used_ip_mac["ip:".$attrs['ipHostNumber'][0]] = "ip:".$attrs['ipHostNumber'][0];
 210         }
 211         if(isset($attrs['macAddress'][0])){
 212           $this->used_ip_mac["mac:".$attrs['macAddress'][0]] = "mac:".$attrs['macAddress'][0];
 213         }
 214       }
 215     }
 216
 217     /* Save initial ip and mac values, to be able
 218         check if the used values are already in use */
 219     $this->orig_ipHostNumber   = $this->ipHostNumber;
 220     $this->orig_macAddress     = $this->macAddress;
 221
 222     /* Store initally account settings
 223      */
 224     $this->initially_was_account = $this->DNS_is_account;
 225
 226     if($this->DNS_is_account){
 227       new log("view","unknown/".get_class($this),$this->dn);
 228     }
 229   }
 230
 231
 232   function netmaskIsCoherent($idZone)
 233   {
 234     $netmask = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($idZone)));
 235     if(!strstr($this->ipHostNumber, $netmask)){
 236       return false;
 237     }else{
 238       return true;
 239     }
 240   }
 241
 242
 243   function getVarsForSaving($attrs)
 244   {
 245     foreach($this->attributes as $attr){
 246       if(!empty($this->$attr)){
 247         $attrs[$attr] = $this->$attr;
 248       }
 249     }
 250     return($attrs);
 251   }
 252
 253   function execute()
 254   {
 255           /* Call parent execute */
 256     $smarty= get_smarty();
 257
 258     $tmp = $this->plInfo();
 259     foreach($tmp['plProvidedAcls'] as $name => $translation){
 260       $smarty->assign($name."ACL",$this->getacl($name));
 261     }
 262
 263     $display= "";
 264
 265     /**********
 266      * Additional ipHostNumber handling
 267      **********/
 268
 269     /* Add a new one */
 270     foreach($_POST as $name => $value){
 271       if(preg_match("/^additionalHostNumbers_add/",$name)){
 272         $this->additionalHostNumbers[] = "";
 273         break;
 274       }
 275
 276       /* Delete given entry */
 277       if(preg_match("/^additionalHostNumbers_del_/",$name)){
 278         $id = preg_replace("/^^additionalHostNumbers_del_([0-9]*)_.*/","\\1",$name);
 279         if(isset($this->additionalHostNumbers[$id])){
 280           unset($this->additionalHostNumbers[$id]);
 281           $this->additionalHostNumbers = array_values($this->additionalHostNumbers);
 282         }
 283         break;
 284       }
 285     }
 286
 287     $smarty->assign("additionalHostNumbers",$this->additionalHostNumbers);
 288     $smarty->assign("staticAddress", "");
 289
 290     /**********
 291      * Autonet completion
 292      **********/
 293
 294     /* Check for autonet button */
 295     if (isset($_POST['autonet'])){
 296       $d= new gosaSupportDaemon(TRUE, 0.5);
 297       $res= $d->_send("<xml><header>gosa_network_completition</header><source>GOSA</source><target>GOSA</target><hostname>".$this->cn."</hostname></xml>", TRUE);
 298       if (isset($res['XML']['IP'])){
 299         $this->ipHostNumber= $res['XML']['IP'];
 300       }
 301       if (isset($res['XML']['MAC'])){
 302         $this->macAddress= $res['XML']['MAC'];
 303       }
 304     }
 305
 306
 307     /**********
 308      * DHCP Handling
 309      **********/
 310
 311     if(isset($_POST['dhcpEditOptions'])){
 312
 313       if(count($this->dhcpHostEntry) == 0){
 314         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 315       }else{
 316         $this->dialog = new dhcpHost($this->dhcpHostEntry,TRUE);
 317       }
 318       $this->dialog->cn = $this->cn;
 319       $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 320       if(!empty($this->ipHostNumber)){
 321         $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 322       }
 323     }
 324
 325     if(isset($_POST['cancel_dhcp'])){
 326       $this->dialog = FALSE;
 327     }
 328
 329     if(isset($_POST['save_dhcp'])){
 330       $this->dialog->save_object();
 331
 332       $msgs = $this->dialog->check(array());
 333       if(count($msgs)){
 334         foreach($msgs as $msg){
 335           msg_dialog::display(_("Error"), $msg, ERROR_DIALOG);
 336         }
 337       }else{
 338         $this->dhcpHostEntry = $this->dialog->save();
 339         $this->dialog = FALSE;
 340       }
 341     }
 342
 343     if(is_object($this->dialog)){
 344       $this->dialog->save_object();
 345       return($this->dialog->execute());
 346     }
 347
 348     $smarty->assign("dhcpEnabled",    $this->dhcpEnabled);
 349     $smarty->assign("dhcp_is_Account",$this->dhcp_is_Account);
 350     $smarty->assign("dhcpParentNode", $this->dhcpParentNode);
 351     $smarty->assign("dhcpParentNodes",$this->dhcpParentNodes);
 352     $smarty->assign("dhcpParentNodeCnt",count($this->dhcpParentNodes));
 353
 354
 355     /**********
 356      * DNS Handling
 357      **********/
 358
 359     /* There is no dns available
 360      */
 361     $smarty->assign("DNS_is_account",$this->DNS_is_account);
 362     $smarty->assign("DNSenabled",$this->DNSenabled);
 363     if($this->DNSenabled == false){
 364
 365       /* Is IP address must ? */
 366 #      $smarty->assign("DNS_is_account",false);
 367       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 368
 369       /* Assign smarty all non DNs attributes */
 370       foreach($this->attributes as $attr){
 371         $smarty->assign($attr,$this->$attr);
 372       }
 373       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 374
 375       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 376     }else{
 377  #     $smarty->assign("DNS_is_account",true);
 378
 379       /* Add new empty array to our record list */
 380       if(isset($_POST['AddNewRecord'])){
 381         $this->dnsEntry['RECORDS'][]  =array("type"=>"aRecord","value"=>"");
 382       }
 383
 384       /* propose_ip */
 385       if(isset($_POST['propose_ip'])){
 386         foreach($this->Zones as $key => $name){
 387           if($name == $this->dnsEntry['zoneName']){
 388             $net = DNS::FlipIp(str_replace(".in-addr.arpa","",DNS::getNameFromMix($key)));
 389             $this->ipHostNumber = $this->generateRandomIp($net);
 390           }
 391         }
 392       }
 393
 394       /* Handle all posts */
 395       $only_once =true;
 396       foreach($_POST as $name => $value){
 397
 398         /* Check if we have to delete a record entry */
 399         if((preg_match("/RemoveRecord_/",$name))&&($only_once)) {
 400
 401           /* Avoid performing this once again */
 402           $only_once = false;
 403
 404           /* Extract id for specified entry */
 405           $id = preg_replace("/RemoveRecord_/","",$name);
 406           $id = preg_replace("/_.*$/","",$id);
 407
 408           /* Delete this record, mark edited entries to be able to delete them */
 409           if(isset($this->dnsEntry['RECORDS'][$id])){
 410             unset($this->dnsEntry['RECORDS'][$id]);
 411           }
 412         }
 413       }
 414       /* Assign smarty all non DNs attributes */
 415       foreach($this->attributes as $attr){
 416         $smarty->assign($attr,$this->$attr);
 417       }
 418
 419       /* Assign smarty all DNS attributes */
 420       foreach($this->DNSattributes as $attr){
 421         $smarty->assign($attr,$this->dnsEntry[$attr]);
 422       }
 423
 424       /* Assign all needed vars */
 425  #     $smarty->assign("DNSAccount",$this->DNS_is_account);
 426       $smarty->assign("hide_dns_check_box",$this->hide_dns_check_box);
 427
 428       $smarty->assign("Zones",$this->Zones);
 429       $smarty->assign("ZoneCnt",count($this->Zones));
 430       $smarty->assign("ZoneKeys",($this->Zones));
 431       $smarty->assign("IPisMust",(($this->IPisMust)||($this->DNS_is_account)));
 432
 433       /* Create zone array */
 434       $idZones = array();
 435       foreach($this->Zones as $id => $zone){
 436         if($this->netmaskIsCoherent($id)) {
 437           $idZones[$id] = $zone;
 438         }else{
 439           $idZones[$id] = $zone."&nbsp;("._("Not matching").")";
 440         }
 441       }
 442       $smarty->assign("Zones",$idZones);
 443       $smarty->assign("ZoneKeys", $this->Zones);
 444
 445       $tmp = $this->generateRecordsList();
 446
 447       $changeStateForRecords = $tmp['changeStateForRecords'];
 448
 449       $smarty->assign("records",$tmp['str']);
 450       $smarty->assign("changeStateForRecords",$changeStateForRecords);
 451       $smarty->assign("staticAddress","<font class=\"must\">*</font>");
 452
 453       $display.= $smarty->fetch(get_template_path('network.tpl', TRUE));
 454     }
 455
 456     return($display);
 457   }
 458
 459
 460   function remove_from_parent()
 461   {
 462     if($this->initially_was_account){
 463
 464       $ldap = $this->config->get_ldap_link();
 465
 466       $tmp = array();
 467       $this->dnsEntry['exists'] = false;
 468       $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 469
 470       /* Delete dns */
 471       foreach($tmp['del'] as $dn => $del){
 472         $ldap->cd($dn);
 473         $ldap->rmdir_recursive($dn);
 474         new log("remove","unknown/".get_class($this),$dn);
 475         if (!$ldap->success()){
 476           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, LDAP_DEL, get_class()));
 477         }
 478       }
 479     }
 480   }
 481
 482
 483   /* Save data to object */
 484   function save_object()
 485   {
 486
 487     if(isset($_POST['network_tpl_posted'])){
 488
 489       /* Save all posted vars */
 490       plugin::save_object();
 491
 492       /******
 493         Additional IP Host Numbers
 494        ******/
 495
 496       /* Get posts for all additionally added ipHostNumbers */
 497       foreach($this->additionalHostNumbers as $id => $value){
 498         if(isset($_POST['additionalHostNumbers_'.$id])){
 499           $this->additionalHostNumbers[$id] = get_post('additionalHostNumbers_'.$id);
 500         }
 501       }
 502
 503
 504       /******
 505         DHCP posts
 506        ******/
 507
 508       if($this->dhcpEnabled && isset($_POST['network_tpl_posted'])){
 509         foreach($this->dhcpAttributes as $attr){
 510           if(isset($_POST[$attr])){
 511             $this->$attr = $_POST[$attr];
 512           }
 513         }
 514         if(isset($_POST['dhcp_is_Account'])){
 515           $this->dhcp_is_Account = TRUE;
 516         }else{
 517           $this->dhcp_is_Account = FALSE;
 518         }
 519       }
 520
 521       /* Ge all non dns attributes (IP/MAC)*/
 522       foreach($this->attributes as $attr){
 523         if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 524           $this->$attr = $_POST[$attr];
 525         }
 526       }
 527
 528
 529       /******
 530         DNS posts
 531        ******/
 532
 533       /* Check if DNS should be enabled / disabled */
 534       if($this->DNS_is_account && $this->acl_is_removeable() && !isset($_POST['DNS_is_account'])){
 535         $this->DNS_is_account = false;
 536       }elseif(!$this->DNS_is_account && $this->acl_is_createable() && isset($_POST['DNS_is_account'])){
 537         $this->DNS_is_account = true;
 538       }
 539
 540       /* Get dns attributes */
 541       if(($this->DNSenabled) && (isset($_POST['network_tpl_posted']))){
 542
 543         /* Check for posted record changes */
 544         if(is_array($this->dnsEntry['RECORDS']) && $this->acl_is_writeable("Records")){
 545           foreach($this->dnsEntry['RECORDS'] as $key => $value){
 546
 547             /* Check if type has changed */
 548             if(isset($_POST['RecordTypeSelectedFor_'.$key])){
 549               $this->dnsEntry['RECORDS'][$key]['type'] = $_POST['RecordTypeSelectedFor_'.$key];
 550             }
 551             /* Check if value has changed */
 552             if(isset($_POST['RecordValue_'.$key])){
 553               $this->dnsEntry['RECORDS'][$key]['value'] = $_POST['RecordValue_'.$key];
 554             }
 555           }
 556         }
 557         /* Get all basic DNS attributes (TTL, Clas ..)*/
 558         foreach($this->DNSattributes as $attr){
 559           if(isset($_POST[$attr]) && $this->acl_is_writeable($attr)){
 560             $this->dnsEntry[$attr] = $_POST[$attr];
 561           }
 562         }
 563
 564
 565       }
 566       if($this->hide_dns_check_box){
 567         $this->DNS_is_account = true;
 568       }
 569     }
 570   }
 571
 572
 573   /* Check supplied data */
 574   function check()
 575   {
 576     /* Call common method to give check the hook */
 577     $message= plugin::check();
 578
 579     /******
 580       check additional IP Host Numbers
 581      ******/
 582
 583     foreach($this->additionalHostNumbers as $id => $value){
 584       if(!tests::is_ip($value)){
 585         $message[]= msgPool::invalid(sprintf(_("IP address #%s"),($id +2)), "", "", "192.168.1.10");
 586       }
 587     }
 588
 589
 590     /* Check if mac and ip are already used */
 591     if(!empty($this->ipHostNumber) && $this->DNS_is_account &&
 592         $this->ipHostNumber != $this->orig_ipHostNumber &&
 593         in_array("ip:".$this->ipHostNumber,$this->used_ip_mac)){
 594       $message[]= msgPool::duplicated(_("IP address"));
 595     }
 596     if(!empty($this->macAddress) && $this->dhcp_is_Account &&
 597         $this->macAddress != $this->orig_macAddress &&
 598         in_array("mac:".$this->macAddress,$this->used_ip_mac)){
 599       $message[]= msgPool::duplicated(_("MAC address"));
 600     }
 601
 602     /* Check if ip must be given
 603      */
 604     if(($this->IPisMust)||($this->DNS_is_account)){
 605       if (empty($this->ipHostNumber)){
 606         $message[]= msgPool::required(_("IP address"));
 607       }elseif (!tests::is_ip($this->ipHostNumber)){
 608         $message[]= msgPool::invalid(_("IP address"), "", "", "192.168.1.10");
 609       }
 610     }
 611
 612     /* Check if mac is empty
 613      */
 614     if ($this->macAddress == "" ){
 615       $message[]= msgPool::required(_("MAC address"));
 616     }elseif(!tests::is_mac($this->macAddress)){
 617       $message[]= msgPool::invalid(_("MAC address"), "", "", "00:0C:7F:31:33:F1");
 618     }
 619
 620     /* only perfrom this checks if this is a valid DNS account */
 621     if($this->DNS_is_account){
 622
 623       $checkArray = array();
 624       $onlyOnce   = array();
 625
 626       //  $onlyOnce['cNAMERecord'] = 0;
 627        $tmp = array_flip($this->Zones);
 628        $tmp2 = $tmp[$this->dnsEntry['zoneName']];
 629        if(!$this->netmaskIsCoherent($tmp2)){ //this->dnsEntry['zoneName'])){
 630          $tmp2 = preg_replace("/^.*\//","",$tmp2);
 631          $message[] =sprintf(_("The IP address '%s' is not part of the selected reverse zone '%s'!"),$this->ipHostNumber,$tmp2);
 632        }
 633
 634       /* Walk through all entries and detect duplicates or mismatches
 635        */
 636       foreach($this->dnsEntry['RECORDS'] as $name => $values){
 637
 638         /* Count record values, to detect duplicate entries for a specific record
 639          */
 640         if(!isset($checkArray[$values['type']][$values['value']])){
 641           $checkArray[$values['type']][$values['value']] = 0;
 642         }else{
 643           $message[] = sprintf(_("Record type '%s' is duplicated!"),$values['type']);
 644         }
 645
 646         /* Check if given entries in $onlyOnce are used more than once
 647          */
 648         if(isset($onlyOnce[$values['type']])){
 649           $onlyOnce[$values['type']] ++;
 650           if($onlyOnce[$values['type']] > 1){
 651             $message[] = sprintf(_("Uniq record type '%s' is duplicated!"),$values['type']);
 652           }
 653         }
 654
 655         /* Skip txt record ...
 656          */
 657         if($values['type'] == "tXTRecord") continue;
 658
 659         /* Check if there is an aRecord defined which uses the same IP as used in IPhostAddress
 660          */
 661         if(($values['type'] == "aRecord")&&($values['value'] == $this->ipHostNumber)){
 662           #TODO: Where's the problem here?
 663           $message[]=sprintf(_("The IP address '%s' will be added as 'A Record', this will be done automatically, please remove the record."),
 664                $this->ipHostNumber);
 665         }
 666
 667         /* only lower-case is allowed in record entries ...
 668          */
 669         if($values['value'] != strtolower($values['value'])){
 670           #TODO: What's in values['value']? Something for a propper message?
 671           $message[] = sprintf(_("Only lowercase records are allowed, please check your '%ss'."),$values['type']);
 672         }
 673       }
 674     }
 675     return ($message);
 676   }
 677
 678
 679   /* Save to LDAP */
 680   function save()
 681   {
 682     $ldap= $this->config->get_ldap_link();
 683
 684     $dn = $this->parent->dn;
 685
 686     /*******************/
 687     /* IP-MAC HANDLING */
 688     /*******************/
 689
 690     /* $dn was posted as parameter */
 691     $this->dn = $dn;
 692
 693     /* Save DNS setting & ip/Mac*/
 694     plugin::save();
 695
 696     /* Add all additional ipHostNumbers now
 697      */
 698     if(!empty($this->ipHostNumber)){
 699       $this->attrs['ipHostNumber'] = array($this->ipHostNumber);
 700     }
 701     foreach($this->additionalHostNumbers as $value){
 702       $this->attrs['ipHostNumber'][] = $value;
 703     }
 704
 705     /* Write back to ldap */
 706     $ldap->cd($this->dn);
 707     $this->cleanup();
 708     $ldap->modify ($this->attrs);
 709
 710     /****************/
 711     /* DHCP HANDLING */
 712     /****************/
 713
 714     /* New entry */
 715     if($this->dhcpEnabled){
 716
 717       if(count($this->dhcpHostEntry) == 0){
 718         $this->dialog = new dhcpHost($this->dhcpParentNode,TRUE);
 719         $this->dialog->cn = $this->cn;
 720         $this->dialog->dhcpHWAddress = "ethernet ".$this->macAddress;
 721         if(!empty($this->ipHostNumber)){
 722           $this->dialog->statements['fixed-address'] = $this->ipHostNumber;
 723         }
 724         $this->dialog->execute();
 725         $this->dialog->save_object();
 726         $this->dhcpHostEntry = $this->dialog->save();
 727         if(count($this->dhcpHostEntry['dhcpOption']) == 0){
 728           $this->dhcpHostEntry['dhcpOption']= array("host-name ".$this->cn);
 729         }
 730       }
 731
 732       /* Write mac address to dhcp settings */
 733       if($this->dhcp_is_Account){
 734         if(!isset($this->dhcpHostEntry['dhcpHWAddress'][0]) ||
 735             !preg_match("/ethernet ".$this->macAddress."/",$this->dhcpHostEntry['dhcpHWAddress'][0])){
 736           $this->dhcpHostEntry['dhcpHWAddress'] = array("ethernet ".$this->macAddress);
 737           $this->dhcpHostEntry['MODIFIED'] = TRUE;
 738         }
 739       }
 740
 741       /* Updated IP host number */
 742       if($this->dhcp_is_Account){
 743         foreach($this->dhcpHostEntry['dhcpStatements'] as $id => $value){
 744           if(preg_match("/^fixed-address/",$value)){
 745             $this->dhcpHostEntry['dhcpStatements'][$id] = "fixed-address ".$this->ipHostNumber;
 746             $this->dhcpHostEntry['MODIFIED'] = TRUE;
 747           }
 748         }
 749       }
 750
 751       /* Unset dhcpStatements if this attribute is empty  */
 752       if(isset($this->dhcpHostEntry['dhcpStatements']) &&
 753           ($this->dhcpHostEntry['dhcpStatements'] == "" || count($this->dhcpHostEntry['dhcpStatements']) == 0) ){
 754         unset($this->dhcpHostEntry['dhcpStatements']);
 755       }
 756
 757       /* DHCP removed */
 758       if($this->initial_dhcp_is_Account && !$this->dhcp_is_Account){
 759         $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 760         if (!$ldap->success()){
 761           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_DEL, get_class()));
 762         }
 763
 764         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 765         $tmp->handle_post_events("remove");
 766       }
 767
 768       /* DHCP Added */
 769       if(!$this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 770         $attrs = $this->dhcpHostEntry;
 771         unset($attrs['MODIFIED']);
 772         unset($attrs['dn']);
 773         $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 774         $res = $ldap->add($attrs);
 775
 776         $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 777         $tmp->handle_post_events("add");
 778
 779         if (!$ldap->success()){
 780           msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), "cn=".$this->cn.",".$this->dhcpParentNode, LDAP_ADD, get_class()));
 781         }
 782       }
 783
 784       /* DHCP still activated */
 785       if($this->initial_dhcp_is_Account && $this->dhcp_is_Account){
 786
 787         /* DHCP node changed */
 788         if(($this->initial_dhcpParentNode != $this->dhcpParentNode) ||
 789            ($this->cn != $this->OrigCn)){
 790           $attrs = $this->dhcpHostEntry;
 791           $attrs['cn'] = $this->cn;
 792           unset($attrs['dn']);
 793           unset($attrs['MODIFIED']);
 794           $ldap->cd("cn=".$this->cn.",".$this->dhcpParentNode);
 795           $res = $ldap->add($attrs);
 796
 797           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 798           $tmp->handle_post_events("modify");
 799
 800           if (!$ldap->success()){
 801             msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), "cn=".$this->cn.",".$this->dhcpParentNode, LDAP_ADD, get_class()));
 802           }
 803           if($res){
 804             $ldap->rmdir_recursive($this->dhcpHostEntry['dn']);
 805             if (!$ldap->success()){
 806               msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_DEL, get_class()));
 807             }
 808           }
 809         }
 810
 811         /* SAME node but modified */
 812         if(isset($this->dhcpHostEntry['MODIFIED']) && $this->dhcpHostEntry['MODIFIED'] == 1  &&
 813             $this->initial_dhcpParentNode == $this->dhcpParentNode){
 814           $attrs = $this->dhcpHostEntry;
 815           unset($attrs['dn']);
 816           unset($attrs['MODIFIED']);
 817           $ldap->cd($this->dhcpHostEntry['dn']);
 818           $ldap->modify($attrs);
 819
 820           $tmp = new servdhcp($this->config,$this->dhcpParentNode);
 821           $tmp->handle_post_events("modify");
 822
 823           if (!$ldap->success()){
 824             msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dhcpHostEntry['dn'], LDAP_MOD, get_class()));
 825           }
 826         }
 827       }
 828     }
 829     $this->dialog = FALSE;
 830
 831     /****************/
 832     /* DNS HANDLING */
 833     /****************/
 834
 835     /* If isn't DNS account but initially was DNS account
 836        remove all DNS entries
 837      */
 838     if((!$this->DNSenabled) || ((!$this->DNS_is_account)&&(!$this->initially_was_account))){
 839       return;
 840     }else{
 841
 842       /* Add ipHostNumber to aRecords
 843        */
 844       $backup_dnsEntry = $this->dnsEntry;
 845       if(!empty($this->ipHostNumber)){
 846         $this->dnsEntry['RECORDS'][] = array("type"=>"aRecord","value"=>$this->ipHostNumber);
 847         $ptr = $this->get_pTRRecord();
 848         if(!empty($ptr)){
 849           $this->dnsEntry['RECORDS'][] = array("type"=>"pTRRecord","value"=>$ptr);
 850         }
 851       }
 852
 853       /* Create diff and follow instructions
 854        * If Account was disabled, remove account by setting exists to false
 855        */
 856       if((!$this->DNS_is_account)&&($this->initially_was_account)){
 857         $this->dnsEntry['exists'] = false;
 858         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 859       }else{
 860         $this->dnsEntry['exists'] = $this->DNS_is_account;
 861         $tmp = DNS::getDNSHostEntriesDiff($this->config,$this->OrigCn,$this->dnsEntry,$this->cn);
 862       }
 863
 864       /* move follwoing entries
 865        */
 866       foreach($tmp['move'] as $src => $dst){
 867         $this->recursive_move($src,$dst);
 868       }
 869
 870       /* Delete dns */
 871       foreach($tmp['del'] as $dn => $del){
 872         $ldap->cd($dn);
 873         $ldap->rmdir_recursive($dn);
 874         new log("modify","unknown/".get_class($this),$dn,array("*"),$ldap->get_error());
 875       }
 876
 877       /* Add || Update new DNS entries
 878        */
 879       foreach($tmp['add'] as $dn => $attrs){
 880         $ldap->cd($dn);
 881         $ldap->cat($dn, array('dn'));
 882         if(count($ldap->fetch())){
 883           $ldap->cd($dn);
 884           $ldap->modify ($attrs);
 885         }else{
 886           $ldap->cd($dn);
 887           $ldap->add($attrs);
 888         }
 889         new log("modify","unknown/".get_class($this),$dn,array_keys($attrs),$ldap->get_error());
 890       }
 891
 892
 893       /* Display errors
 894        */
 895       if (!$ldap->success()){
 896         msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, 0, get_class()));
 897       }
 898
 899       $tmp2 = new servdns($this->config,$this->dn);
 900       $tmp2->handle_post_events("modify");
 901
 902       $this->dnsEntry =  $backup_dnsEntry;
 903     }
 904   }
 905
 906   /*  Create html table with all used record types
 907    */
 908   function generateRecordsList()
 909   {
 910     $changeStateForRecords = "";
 911
 912     if(!$this->DNS_is_account) {
 913       $str = "<input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord' disabled='disabled'>";
 914       return(array("str" => $str, "changeStateForRecords"=> ""));
 915     }
 916
 917     $str = "<table summary='' width='100%'>";
 918     foreach($this->dnsEntry['RECORDS'] as $key => $entry){
 919
 920         $changeStateForRecords.= "changeState('RecordTypeSelectedFor_".$key."');\n";
 921         $changeStateForRecords.= "changeState('RecordValue_".$key."');\n";
 922         $changeStateForRecords.= "changeState('RemoveRecord_".$key."');\n";
 923
 924         $str.=" <tr>".
 925           "   <td>".$this->generateRecordListBox($entry['type'],"RecordTypeSelectedFor_".$key)."</td>".
 926           "   <td><input type='text' value='".$entry['value']."' name='RecordValue_".$key."' id='RecordValue_".$key."'></td>".
 927           "   <td><input type='submit' name='RemoveRecord_".$key."' value='"._("Delete")."' id='RemoveRecord_".$key."'></td>".
 928           "</tr>";
 929     }
 930
 931     $str.= "  <tr>".
 932            "    <td colspan=2 width='50%'></td><td>".
 933            "      <input type='submit' value='"._("Add")."' name='AddNewRecord' id='AddNewRecord'>".
 934            "    </td>".
 935            "  </tr>".
 936            "</table>";
 937      $ret =  array("str" => $str, "changeStateForRecords" => $changeStateForRecords);
 938     return($ret);
 939   }
 940
 941
 942   /* Create a html select box which allows us to select different types of records
 943    */
 944   function generateRecordListBox($selected,$name)
 945   {
 946     $str = "<select name='".$name."' id='".$name."'>";
 947     foreach($this->RecordTypes as $type => $value){
 948       $use = "";
 949       if($type == $selected){
 950         $use = " selected ";
 951       }
 952       $str.="\n <option value='".$type."' ".$use.">".strtoupper(preg_replace("/record/i","",$type))."</option>";
 953     }
 954     $str.="</select>";
 955     return($str);
 956   }
 957
 958
 959   /* Return plugin informations for acl handling  */
 960   static function plInfo()
 961   {
 962     $tmp =  array(
 963         "plShortName"   => _("DNS"),
 964         "plDescription" => _("DNS settings"),
 965         "plSelfModify"  => FALSE,
 966         "plDepends"     => array(),
 967         "plPriority"    => 5,
 968         "plSection"     => array("administration"),
 969         "plCategory"    => array("workstation","terminal","phone","server","component","printer","winworkstation"),
 970
 971         "plProvidedAcls"=> array(
 972           "ipHostNumber"  => _("IP address"),
 973           "macAddress"    => _("MAC address"))
 974         );
 975
 976     /* Hide all dns specific code, if dns is not available
 977      */
 978     $config = session::get('config');
 979     foreach($config->data['TABS']['SERVERSERVICE'] as $tab){
 980       if(preg_match("/^servdns$/",$tab['CLASS'])){
 981         $tmp['plProvidedAcls']["Records"]        = _("DNS records");
 982         $tmp['plProvidedAcls']["zoneName"]       = _("Zone name");
 983         $tmp['plProvidedAcls']["dNSTTL"]         = _("TTL");
 984         break;
 985       }
 986     }
 987     return($tmp);
 988   }
 989
 990
 991   function get_dhcp_host_entry()
 992   {
 993     $attrs = array();
 994     $dn = $this->get_dhcp_host_entry_dn();
 995     if($dn){
 996       $ldap = $this->config->get_ldap_link();
 997       $ldap->cd($this->config->current['BASE']);
 998       $ldap->cat($dn,array("*"));
 999       if($ldap->count()){
1000         $attrs = $ldap->fetch();
1001         foreach($attrs as $key => $value){
1002           if(is_numeric($key) || ($key == "count")){
1003             unset($attrs[$key]);
1004           }
1005           if(is_array($value) && isset($value['count'])){
1006             unset($attrs[$key]['count']);
1007           }
1008         }
1009       }
1010     }
1011     return($attrs);
1012   }
1013
1014
1015   function get_dhcp_host_entry_dn()
1016   {
1017     $ldap = $this->config->get_ldap_link();
1018     $ldap->cd($this->config->current['BASE']);
1019     $ldap->search ("(&(objectClass=dhcpHost)(cn=".$this->cn."))",array("cn","dn"));
1020
1021     if($ldap->count()){
1022       $attr = $ldap->fetch();
1023       return($attr['dn']);
1024     }else{
1025       return("");
1026     }
1027   }
1028
1029
1030   function get_dhcp_parent_node()
1031   {
1032     return(preg_replace("/^cn=".normalizePreg($this->cn).",/","",$this->get_dhcp_host_entry_dn()));
1033   }
1034
1035
1036   function get_dhcp_parent_nodes()
1037   {
1038     $ldap = $this->config->get_ldap_link();
1039     $ldap->cd($this->config->current['BASE']);
1040     $ldap->search("(objectClass=dhcpService)",array("dhcpPrimaryDN"));
1041
1042     $dhcp_dns = array();
1043     while($attr = $ldap->fetch()){
1044       $dhcp_dns[$attr['dn']] = $attr['dhcpPrimaryDN'][0];
1045     }
1046
1047     foreach($dhcp_dns as $key => $pri_dns){
1048       $ldap->cat($pri_dns,array("cn"));
1049       $tmp = $ldap->fetch();
1050       if(isset($tmp['cn'][0])){
1051         $dhcp_dns[$key] = $tmp['cn'][0];
1052       }else{
1053         unset($dhcp_dns[$key]);
1054       }
1055     }
1056
1057     $tmp = $tmp2 = array();
1058     foreach($dhcp_dns as $dn => $cn){
1059       $ldap->cd($dn);
1060       $ldap->search("(|(objectClass=dhcpService)(objectClass=dhcpGroup)".
1061                     "(objectClass=dhcpSubnet)(objectClass=dhcpSharedNetwork))",array("cn"));
1062       while($attr = $ldap->fetch()){
1063         $tmp[$attr['dn']] = $attr['cn'][0];
1064       }
1065       $tmp2 = array_merge($tmp2,$this->create_tree($tmp,preg_replace("/^[^,]+,/i","",$dn),"(".$cn.")&nbsp;"));
1066     }
1067     return($tmp2);
1068   }
1069
1070
1071   /* this function returns the default ptr record entry */
1072   function get_pTRRecord()
1073   {
1074     if(!empty($this->ipHostNumber) && isset($this->dnsEntry['zoneName']) && !empty($this->dnsEntry['zoneName'])){
1075       $ldap = $this->config->get_ldap_link();
1076       $ldap->cat(DNS::getDNSZoneDN($this->config,$this->dnsEntry['zoneName']));
1077       $attrs = $ldap->fetch();
1078       $tmp = array_flip($this->Zones);
1079       $tmp = preg_replace("/^[^\/]*+\//","",$tmp[$this->dnsEntry['zoneName']]);
1080       $tmp = trim(preg_replace("/\.in-addr.arpa$/","",$tmp));
1081       $ptr = preg_replace("/^".normalizePreg(DNS::FlipIp($tmp))."\./","",$this->ipHostNumber);
1082       return($ptr);
1083     }else{
1084       return(FALSE);
1085     }
1086   }
1087
1088
1089   function generateRandomIP($net = "")
1090   {
1091     $str = $net;
1092     $cnt = 4;
1093     while(substr_count($str,".") < 3 && $cnt > 0){
1094       $str .= ".".rand(0,255);
1095       $str = preg_replace("/\.\.*/",".",$str);
1096       $str = trim($str,". ");
1097       $cnt --;
1098     }
1099     return($str);
1100   }
1101
1102
1103   function create_tree($arr,$base,$current = "")
1104   {
1105     $ret = array();
1106     foreach($arr as $r => $name){
1107       $base_part = str_replace($base,"",$r);
1108       if(preg_match("/^[a-z]*=".normalizePreg($name)."(|,)$/i",$base_part)){
1109         $ret[$r] = $current.$name;
1110         $tmp = $this->create_tree($arr,$r,$current.".&nbsp;");
1111         foreach($tmp as $sub_key => $sub_name){
1112           $ret[$sub_key] = $sub_name;
1113         }
1114       }
1115     }
1116     return($ret);
1117   }
1118
1119   function force_dns()
1120   {
1121     if($this->DNSenabled){
1122
1123       /* Only force DNS account, if we have at least on dns Zone */
1124       if(count($this->Zones)){
1125         $this->DNS_is_account  = TRUE;
1126         $this->hide_dns_check_box = TRUE;
1127       }
1128     }
1129   }
1130 }
1131
1132 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1133 ?>