plugins/admin/groups/class_groupGeneric.inc

   1 <?php
   2 class group extends plugin
   3 {
   4   /* CLI vars */
   5   var $cli_summary= "Handling of GOsa's base group object";
   6   var $cli_description= "Some longer text\nfor help";
   7   var $cli_parameters= array("eins" => "Eins ist toll", "zwei" => "Zwei ist noch besser");
   8
   9   /* Group attributes */
  10   var $cn= "";
  11   var $description= "";
  12   var $gidNumber= "";
  13   var $memberUid= array();
  14
  15   /* Helpers */
  16   var $base= "";
  17   var $force_gid= FALSE;
  18   var $fon_group= FALSE;
  19   var $smbgroup= FALSE;
  20   var $groupType= FALSE;
  21   var $samba3= FALSE;
  22   var $sambaSID= "";
  23   var $sambaDomainName= "DEFAULT";
  24   var $SID= "";
  25   var $ridBase= 0;
  26   var $members= array();
  27   var $users= array();
  28   var $allusers= array();
  29   var $department= "";
  30   var $saved_gidNumber= "";
  31   var $oldgroupType= "";
  32   var $orig_dn= "";
  33   var $has_mailAccount= FALSE;
  34   var $group_dialog= FALSE;
  35   var $nagios_group =FALSE;
  36   var $sambaGroupType;
  37   var $dialog;
  38
  39   /* attribute list for save action */
  40   var $attributes= array("cn", "description", "gidNumber","memberUid","sambaGroupType","sambaSID");
  41   var $objectclasses= array("top", "posixGroup");
  42
  43   function group ($config, $dn= NULL)
  44   {
  45     plugin::plugin ($config, $dn);
  46
  47     /* Load attributes depending on the samba version */
  48     $this->samba3= ($config->current['SAMBAVERSION'] == 3);
  49     $this->orig_dn= $dn;
  50
  51     /* Get member list */
  52     if (isset($this->attrs['memberUid'][0])){
  53       $tmp= array();
  54       for ($i= 0; $i<$this->attrs['memberUid']['count']; $i++){
  55         $tmp[]= $this->attrs['memberUid'][$i];
  56       }
  57       $this->memberUid= $tmp;
  58       sort ($this->memberUid);
  59     }
  60
  61     /* Save gidNumber for later use */
  62     if (isset($this->attrs['gidNumber'])){
  63       $this->saved_gidNumber= $this->attrs['gidNumber'][0];
  64     }
  65
  66     /* Is a samba group? */
  67     if (isset($this->attrs['objectClass'])){
  68       if (array_search ('sambaGroupMapping', $this->attrs['objectClass']) == NULL ){
  69         $this->smbgroup= FALSE;
  70       } else {
  71         $this->smbgroup= TRUE;
  72         if (isset($this->attrs['sambaSID'])){
  73           $this->sambaSID= $this->attrs['sambaSID'][0];
  74         }
  75       }
  76       if (array_search ('goFonPickupGroup', $this->attrs['objectClass']) == NULL ){
  77         $this->fon_group= FALSE;
  78       } else {
  79         $this->fon_group= TRUE;
  80       }
  81       if (array_search ('nagiosContactGroup', $this->attrs['objectClass']) == NULL ){
  82         $this->nagios_group= FALSE;
  83       } else {
  84         $this->nagios_group= TRUE;
  85       }
  86     }
  87
  88     /* Set mail flag */
  89     if (isset($this->attrs['objectClass']) && in_array('gosaMailAccount', $this->attrs['objectClass'])){
  90       $this->has_mailAccount= TRUE;
  91     }
  92
  93     /* Get samba Domain in case of samba 3 */
  94     if ($this->samba3 && $this->sambaSID != ""){
  95       $this->SID= preg_replace ("/-[^-]+$/", "", $this->sambaSID);
  96       $ldap= $this->config->get_ldap_link();
  97       $ldap->cd($this->config->current['BASE']);
  98       $ldap->search ("(&(objectClass=sambaDomain)(sambaSID=$this->SID))",array("sambaAlgorithmicRidBase"));
  99       if ($ldap->count() != 0){
 100         $attrs= $ldap->fetch();
 101         $this->ridBase= $attrs['sambaAlgorithmicRidBase'][0];
 102
 103         /* Get domain name for SID */
 104         $this->sambaDomainName= "DEFAULT";
 105         foreach ($this->config->data['SERVERS']['SAMBA'] as $key => $val){
 106           if ($val['SID'] == $this->SID){
 107             $this->sambaDomainName= $key;
 108             break;
 109           }
 110         }
 111       } else {
 112         if (isset($this->config->current['RIDBASE'])){
 113           $this->sambaDomainName= "DEFAULT";
 114           $this->ridBase= $this->config->current['RIDBASE'];
 115           $this->SID= $this->config->current['SID'];
 116         } else {
 117           print_red(_("Can't find this groups SID in LDAP or in your configuration file!"));
 118         }
 119       }
 120
 121       /* Get group type */
 122       $this->groupType= (int)substr(strrchr($this->sambaSID, "-"), 1);
 123       if ($this->groupType < 500 || $this->groupType > 553){
 124         $this->groupType= 0;
 125       }
 126       $this->oldgroupType= $this->groupType;
 127     }
 128
 129     /* Get global filter config */
 130     if (!is_global("gufilter")){
 131       $ui= get_userinfo();
 132       $base= get_base_from_people($ui->dn);
 133       $gufilter= array( "dselect"       => $base,
 134           "regex"           => "*");
 135       register_global("gufilter", $gufilter);
 136     }
 137     $gufilter= get_global('gufilter');
 138
 139       /* Bases / Departments */
 140
 141     if(isset($_SESSION['groupfilter']['depselect'])){
 142       $this->base = $_SESSION['groupfilter']['depselect'];
 143     }else{
 144       if ($this->dn == "new"){
 145         $ui= get_userinfo();
 146         $this->base= dn2base($ui->dn);
 147       } else {
 148         $this->base= preg_replace ("/^[^,]+,[^,]+,/", "", $this->dn);
 149       }
 150     }
 151
 152
 153     /* This is always an account */
 154     $this->is_account= TRUE;
 155     $this->reload();
 156   }
 157
 158   function execute()
 159   {
 160         /* Call parent execute */
 161         plugin::execute();
 162
 163   $ui= get_userinfo();
 164   $acla= get_permissions ($ui->dn, $ui->subtreeACL);
 165   $this->acl= get_module_permission($acla, "group", $ui->dn);
 166   /* Do we represent a valid group? */
 167     if (!$this->is_account && $this->parent == NULL){
 168       $display= "<img alt=\"\" src=\"images/stop.png\" align=\"middle\">&nbsp;<b>".
 169         _("This 'dn' is no group.")."</b>";
 170       return ($display);
 171     }
 172
 173     /* Delete user from group */
 174     if (isset($_POST['del_users']) && isset($_POST['members'])){
 175       foreach ($_POST['members'] as $value){
 176         unset ($this->members["$value"]);
 177         $this->removeUser($value);
 178       }
 179       $this->reload();
 180     }
 181
 182     /* Add objects? */
 183     if (isset($_POST["edit_membership"])){
 184       $this->group_dialog= TRUE;
 185       $this->dialog= TRUE;
 186     }
 187
 188     /* Add objects finished? */
 189     if (isset($_POST["add_users_finish"]) || isset($_POST["add_users_cancel"])){
 190       $this->group_dialog= FALSE;
 191       $this->dialog= FALSE;
 192     }
 193
 194     /* Add user to group */
 195     if (isset($_POST['add_users_finish']) && isset($_POST['users'])){
 196       foreach ($_POST['users'] as $value){
 197         $this->members["$value"]= $this->allusers[$value];
 198         asort($this->members);
 199         $this->addUser($value);
 200       }
 201       $this->reload();
 202     }
 203
 204     /* Base select dialog */
 205     $once = true;
 206     foreach($_POST as $name => $value){
 207       if(preg_match("/^chooseBase/",$name) && $once){
 208         $once = false;
 209         $this->dialog = new baseSelectDialog($this->config);
 210         $this->dialog->setCurrentBase($this->base);
 211       }
 212     }
 213
 214     /* Dialog handling */
 215     if(is_object($this->dialog)){
 216       /* Must be called before save_object */
 217       $this->dialog->save_object();
 218
 219       if($this->dialog->isClosed()){
 220         $this->dialog = false;
 221       }elseif($this->dialog->isSelected()){
 222         $this->base = $this->dialog->isSelected();
 223         $this->dialog= false;
 224       }else{
 225         return($this->dialog->execute());
 226       }
 227     }
 228
 229    /* Assign templating stuff */
 230     $smarty= get_smarty();
 231     if ($this->samba3){
 232       $smarty->assign("samba3", "true");
 233     } else {
 234       $smarty->assign("samba3", "");
 235     }
 236
 237     if(search_config($this->config->data['MENU'], "nagiosaccount", "CLASS")){
 238       $smarty->assign("nagios",true);
 239     }else{
 240       $smarty->assign("nagios",false);
 241     }
 242
 243     if(search_config($this->config->data['MENU'], "phoneAccount", "CLASS")){
 244       $smarty->assign("pickupGroup",true);
 245     }else{
 246       $smarty->assign("pickupGroup",false);
 247     }
 248
 249     /* Manage object add dialog */
 250     if ($this->group_dialog){
 251
 252       /* Save data */
 253       $gufilter= get_global("gufilter");
 254       foreach( array("dselect", "regex") as $type){
 255         if (isset($_POST[$type])){
 256           $gufilter[$type]= $_POST[$type];
 257         }
 258       }
 259       if (isset($_GET['search'])){
 260         $s= mb_substr($_GET['search'], 0, 1, "UTF8")."*";
 261         if ($s == "**"){
 262           $s= "*";
 263         }
 264         $gufilter['regex']= $s;
 265       }
 266       $regex= preg_replace('/[*]/', ".*", $gufilter['regex']);
 267       register_global("gufilter", $gufilter);
 268       $this->reload();
 269
 270       /* Show dialog */
 271       $smarty->assign("search_image", get_template_path('images/search.png'));
 272       $smarty->assign("launchimage", get_template_path('images/small_filter.png'));
 273       $smarty->assign("tree_image", get_template_path('images/tree.png'));
 274       $smarty->assign("deplist", $this->config->idepartments);
 275       $smarty->assign("alphabet", generate_alphabet());
 276       foreach( array("dselect", "regex") as $type){
 277         $smarty->assign("$type", $gufilter[$type]);
 278       }
 279       $smarty->assign("hint", print_sizelimit_warning());
 280
 281       $users= array();
 282       foreach ($this->allusers as $key => $value){
 283         if (!array_key_exists($key, $this->members)){
 284           if (preg_match("/^$regex/i", $key)){
 285             $users[$key]= $value;
 286           }
 287         }
 288       }
 289       $smarty->assign("users", $users);
 290       $smarty->assign("apply", apply_filter());
 291       $display= $smarty->fetch (get_template_path('group_objects.tpl', TRUE, dirname(__FILE__)));
 292       return ($display);
 293     }
 294
 295     /* Bases / Departments */
 296     if (isset($_POST['base'])){
 297       $this->base= $_POST['base'];
 298     }
 299
 300     $smarty->assign("bases", $this->config->idepartments);
 301     $smarty->assign("base_select", $this->base);
 302     $smarty->assign("department", $this->department);
 303
 304     if ($this->samba3){
 305       $domains= array();
 306       foreach($this->config->data['SERVERS']['SAMBA'] as $name => $content){
 307         $domains[$name]= $name;
 308       }
 309       $smarty->assign("sambaDomains", $domains);
 310       $smarty->assign("sambaDomainName", $this->sambaDomainName);
 311       $groupTypes= array(0 => _("Samba group"), 512 => _("Domain admins"), 513 => _("Domain users"),
 312           514 => _("Domain guests"));
 313
 314       /* Don't loose special groups! If not key'ed above, add it to
 315          the combo box... */
 316       if ($this->groupType >= 500 && $this->groupType <= 553 && !isset($groupTypes[$this->groupType])){
 317         $groupTypes[$this->groupType]= sprintf(_("Special group (%d)"), $this->groupType);
 318       }
 319
 320       $smarty->assign("groupTypes", $groupTypes);
 321       $smarty->assign("groupType", $this->groupType);
 322     }
 323
 324     /* Members and users */
 325     $smarty->assign("members", $this->members);
 326
 327     /* Checkboxes */
 328     foreach (array("force_gid", "smbgroup") as $val){
 329       if ($this->$val == "1"){
 330         $smarty->assign("$val", "checked");
 331       } else {
 332         $smarty->assign("$val", "");
 333       }
 334     }
 335     if ($this->force_gid != "1"){
 336       $smarty->assign("forceMode", "disabled");
 337     }else{
 338       $smarty->assign("forceMode", "");
 339     }
 340     $smarty->assign("force_gidACL", chkacl($this->acl, "gidNumber"));
 341     $smarty->assign("sambaDomainNameACL", chkacl($this->acl, "sambaDomainName"));
 342     if ($this->fon_group){
 343       $smarty->assign("fon_group", "checked");
 344     } else {
 345       $smarty->assign("fon_group", "");
 346     }
 347     $smarty->assign("fon_groupACL", chkacl($this->acl, "fon_group"));
 348
 349     if ($this->nagios_group){
 350       $smarty->assign("nagios_group", "checked");
 351     } else {
 352       $smarty->assign("nagios_group", "");
 353     }
 354     $smarty->assign("nagios_groupACL", chkacl($this->acl, "nagios_group"));
 355
 356     /* Fields */
 357     foreach (array("cn", "description", "gidNumber") as $val){
 358       $smarty->assign("$val", $this->$val);
 359       $smarty->assign("$val"."ACL", chkacl($this->acl, "$val"));
 360     }
 361
 362     /* Missing ACL's */
 363     foreach (array("base", "smbgroup", "members") as $val){
 364       $smarty->assign("$val"."ACL", chkacl($this->acl, "$val"));
 365     }
 366
 367     /* Show main page */
 368     $smarty->assign("alphabet", generate_alphabet(10));
 369     $smarty->assign("search_image", get_template_path('images/search.png'));
 370     $smarty->assign("launchimage", get_template_path('images/small_filter.png'));
 371     $smarty->assign("tree_image", get_template_path('images/tree.png'));
 372     $smarty->assign("deplist", $this->config->idepartments);
 373     return($smarty->fetch (get_template_path('generic.tpl', TRUE)));
 374   }
 375
 376   function addUser($uid)
 377   {
 378     $this->memberUid[]= $uid;
 379     $this->memberUid= array_unique($this->memberUid);
 380   }
 381
 382   function removeUser($uid)
 383   {
 384     $temp= array();
 385     foreach ($this->memberUid as $value){
 386       if ($value != $uid){
 387         $temp[]= $value;
 388       }
 389     }
 390     $this->memberUid= $temp;
 391   }
 392
 393
 394   /* Reload data */
 395   function reload()
 396   {
 397     /* Generate userlists */
 398     $this->last_sorting= "invalid";
 399     $this->users= array();
 400     $ldap= $this->config->get_ldap_link();
 401     $gufilter= get_global("gufilter");
 402
 403     $ldap->cd ($this->config->current['BASE']);
 404     $ldap->cd (get_people_ou().$gufilter['dselect']);
 405     $ldap->ls ("(&(objectClass=gosaAccount)(!(objectClass=gosaUserTemplate))(!(uid=*$)))",get_people_ou().$gufilter['dselect'],array("uid", "sn", "givenName"));
 406     $this->allusers= array();
 407     while ($attrs= $ldap->fetch()){
 408       if (isset($attrs["givenName"][0]) && isset($attrs["sn"][0])){
 409         $this->allusers[$attrs["uid"][0]]= $attrs["sn"][0].", ".
 410           $attrs["givenName"][0]." [".$attrs["uid"][0]."]";
 411       } else {
 412         $this->allusers[$attrs["uid"][0]]= $attrs['uid'][0];
 413       }
 414     }
 415     natcasesort ($this->allusers);
 416     reset ($this->allusers);
 417
 418     /* Fill memberlist */
 419     $this->members= array();
 420     foreach ($this->memberUid as $value){
 421       if (isset($this->allusers[$value])){
 422         $this->members[$value]= $this->allusers[$value];
 423       } else {
 424         $this->members[$value]= "[$value]";
 425       }
 426     }
 427     asort($this->members);
 428     reset($this->members);
 429   }
 430
 431
 432
 433   function remove_from_parent()
 434   {
 435     plugin::remove_from_parent();
 436
 437     $ldap= $this->config->get_ldap_link();
 438     $ldap->rmdir($this->dn);
 439     show_ldap_error($ldap->get_error());
 440
 441     /* Delete references to object groups */
 442     $ldap->cd ($this->config->current['BASE']);
 443     $ldap->search ("(&(objectClass=gosaGroupOfNames)(member=".$this->dn."))", array("cn"));
 444     while ($ldap->fetch()){
 445       $og= new ogroup($this->config, $ldap->getDN());
 446       unset($og->member[$this->dn]);
 447       $og->save ();
 448     }
 449
 450     /* Send signal to the world that we've done */
 451     $this->handle_post_events("remove");
 452   }
 453
 454
 455   /* Save data to object */
 456   function save_object()
 457   {
 458     /* Save additional values for possible next step */
 459     if (isset($_POST['groupedit'])){
 460       plugin::save_object();
 461
 462       $this->force_gid= 0;
 463       $this->smbgroup= 0;
 464       foreach (array("force_gid", "department", "base", "smbgroup") as $val) {
 465         if (chkacl ($this->acl, "$val") == "" && isset($_POST["$val"])){
 466           $this->$val= $_POST["$val"];
 467         }
 468       }
 469
 470       /* Save sambaDomain attribute */
 471       if (chkacl ($this->acl, "sambaDomainName") == "" && $this->samba3 &&
 472           isset ($_POST['sambaDomainName'])){
 473
 474         $this->sambaDomainName= $_POST['sambaDomainName'];
 475         $this->groupType= $_POST['groupType'];
 476       }
 477
 478       /* Save fon attribute */
 479       if (chkacl ($this->acl, "fon_group") == ""){
 480         if (isset ($_POST['fon_group'])){
 481           $this->fon_group= TRUE;
 482         } else {
 483           $this->fon_group= FALSE;
 484         }
 485       }
 486          if (chkacl ($this->acl, "nagios_group") == ""){
 487         if (isset ($_POST['nagios_group'])){
 488           $this->nagios_group= TRUE;
 489         } else {
 490           $this->nagios_group= FALSE;
 491         }
 492       }
 493     }
 494   }
 495
 496
 497   /* Save to LDAP */
 498   function save()
 499   {
 500     /* ID handling */
 501     if ($this->force_gid == 0){
 502       if ($this->saved_gidNumber != ""){
 503         $this->gidNumber= $this->saved_gidNumber;
 504       } else {
 505         /* Calculate new, lock uids */
 506         $wait= 10;
 507         while (get_lock("uidnumber") != ""){
 508           sleep (1);
 509
 510           /* timed out? */
 511           if ($wait-- == 0){
 512             break;
 513           }
 514         }
 515         add_lock ("uidnumber", "gosa");
 516         $this->gidNumber= $this->get_next_id("gidNumber");
 517       }
 518     }
 519
 520     plugin::save();
 521
 522     /* Remove objectClass for samba/phone support */
 523     $tmp= array();
 524     for ($i= 0; $i<count($this->attrs["objectClass"]); $i++){
 525       if ($this->attrs['objectClass'][$i] != 'sambaGroupMapping' &&
 526           $this->attrs['objectClass'][$i] != 'sambaIdmapEntry' &&
 527           $this->attrs['objectClass'][$i] != 'goFonPickupGroup' &&
 528          $this->attrs['objectClass'][$i] != 'nagiosContactGroup'){
 529         $tmp[]= $this->attrs['objectClass'][$i];
 530       }
 531     }
 532     $this->attrs['objectClass']= $tmp;
 533     $ldap= $this->config->get_ldap_link();
 534
 535     /* Add samba group functionality */
 536     if ($this->samba3 && $this->smbgroup){
 537
 538       /* Fixed undefined index ...
 539        */
 540       $this->SID = $this->ridBase = "";
 541       if(isset($this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['SID'])){
 542         $this->SID    = $this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['SID'];
 543       }else{
 544         print_red(sprintf(_("No configured SID found for '%s'."),$this->sambaDomainName));
 545       }
 546       if(isset($this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['RIDBASE'])){
 547         $this->ridBase= $this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['RIDBASE'];
 548       }else{
 549         print_red(sprintf(_("No configured RIDBASE found for '%s'."),$this->sambaDomainName));
 550       }
 551
 552       $this->attrs['objectClass'][]= 'sambaGroupMapping';
 553       $this->attrs['sambaGroupType']= "2";
 554
 555       /* Check if we need to create a special entry */
 556       if ($this->groupType == 0){
 557
 558         if ($this->sambaSID == "" || $this->oldgroupType != $this->groupType){
 559           $gidNumber= $this->gidNumber;
 560           while(TRUE){
 561             $sid= $this->SID."-".($gidNumber*2 + $this->ridBase+1);
 562             $ldap->cd($this->config->current['BASE']);
 563             $ldap->search("(sambaSID=$sid)",array("sambaSID"));
 564             if ($ldap->count() == 0){
 565               break;
 566             }
 567             $gidNumber++;
 568           }
 569           $this->attrs['sambaSID']= $sid;
 570           $this->sambaSID= $sid;
 571         }
 572
 573       } else {
 574         $this->attrs['sambaSID']=$this->SID."-".$this->groupType;
 575       }
 576
 577       /* User wants me to fake the idMappings? This is useful for
 578          making winbind resolve the group names in a reasonable amount
 579          of time in combination with larger databases. */
 580       if (isset($this->config->current['SAMBAIDMAPPING']) &&
 581           preg_match('/true/i', $this->config->current['SAMBAIDMAPPING'])){
 582         $this->attrs['objectClass'][]= "sambaIdmapEntry";
 583       }
 584
 585     }
 586
 587     /* Add phone functionality */
 588     if ($this->fon_group){
 589       $this->attrs['objectClass'][]= "goFonPickupGroup";
 590     }
 591
 592     /* Add nagios functionality */
 593     if ($this->nagios_group){
 594         $this->attrs['objectClass'][]= "nagiosContactGroup";
 595     }
 596
 597     /* Take members array */
 598     if (count ($this->memberUid)){
 599       $this->attrs['memberUid']= array_unique($this->memberUid);
 600     }
 601
 602     /* New accounts need proper 'dn', propagate it to remaining objects */
 603     if ($this->dn == 'new'){
 604       $this->dn= 'cn='.$this->cn.','.get_groups_ou().$this->base;
 605     }
 606
 607     /* Save data. Using 'modify' implies that the entry is already present, use 'add' for
 608        new entries. So do a check first... */
 609     $ldap->cat ($this->dn);
 610     if ($ldap->fetch()){
 611       /* Modify needs array() to remove values :-( */
 612       if (!count ($this->memberUid)){
 613         $this->attrs['memberUid']= array();
 614       }
 615       if ($this->samba3){
 616         if (!$this->smbgroup){
 617           $this->attrs['sambaGroupType']= array();
 618           $this->attrs['sambaSID']= array();
 619         }
 620       }
 621       $mode= "modify";
 622     } else {
 623       $mode= "add";
 624       $ldap->cd($this->config->current['BASE']);
 625       $ldap->create_missing_trees(preg_replace('/^[^,]+,/', '', $this->dn));
 626     }
 627
 628     /* Write back to ldap */
 629     $ldap->cd($this->dn);
 630     $this->cleanup();
 631     $ldap->$mode($this->attrs);
 632
 633     $ret= 0;
 634     if (show_ldap_error($ldap->get_error())){
 635       $ret= 1;
 636     }
 637
 638     /* Remove uid lock */
 639     del_lock ("uidnumber");
 640
 641     /* Post that we've done*/
 642     $this->handle_post_events($mode);
 643
 644     return ($ret);
 645   }
 646
 647   function check()
 648   {
 649     $message= array();
 650
 651     /* Permissions for that base? */
 652     if ($this->base != ""){
 653       $new_dn= 'cn='.$this->cn.','.get_groups_ou().$this->base;
 654     } else {
 655       $new_dn= $this->dn;
 656     }
 657
 658     $ui= get_userinfo();
 659     $acl= get_permissions ($ui->dn, $ui->subtreeACL);
 660     $acl= get_module_permission($acl, "group", $ui->dn);
 661     if (chkacl($this->acl, "create") != ""){
 662       $message[]= _("You have no permissions to create a group on this 'Base'.");
 663     }
 664
 665     /* must: cn */
 666     if ($this->cn == "" && chkacl ($this->acl, "cn") == ""){
 667       $message[]= "The required field 'Name' is not set.";
 668     }
 669
 670     /* Check for valid input */
 671     if (!is_uid($this->cn)){
 672       $message[]= _("The field 'Name' contains invalid characters. Lowercase, numbers and dashes are allowed.");
 673     }
 674
 675     /* Check for used 'cn' */
 676     $ldap= $this->config->get_ldap_link();
 677     $ldap->cd($this->config->current['BASE']);
 678     $ldap->search("(&(|(objectClass=gosaGroupOfNames)(objectClass=posixGroup))(cn=$this->cn))",array("cn"));
 679     if ($ldap->count() != 0){
 680
 681       /* New entry? */
 682       if ($this->dn == 'new'){
 683         $message[]= _("Value specified as 'Name' is already used.");
 684       }
 685
 686       /* Moved? */
 687       elseif ($new_dn != $this->orig_dn){
 688         $ldap->fetch();
 689         if ($ldap->getDN() != $this->orig_dn){
 690           $message[]= _("Value specified as 'Name' is already used.");
 691         }
 692       }
 693     }
 694
 695     /* Check ID */
 696     if ($this->force_gid == "1"){
 697       if (!is_id($this->gidNumber)){
 698         $message[]= _("Value specified as 'GID' is not valid.");
 699       } else {
 700         if ($this->gidNumber < $this->config->current['MINID']){
 701           $message[]= _("Value specified as 'GID' is too small.");
 702         }
 703
 704       }
 705     }
 706
 707     return ($message);
 708   }
 709
 710   function get_next_id($attrib)
 711   {
 712     $ids= array();
 713     $ldap= $this->config->get_ldap_link();
 714
 715     $ldap->cd ($this->config->current['BASE']);
 716     if (preg_match('/gidNumber/i', $attrib)){
 717       $oc= "posixGroup";
 718     } else {
 719       $oc= "posixAccount";
 720     }
 721     $ldap->search ("(&(objectClass=$oc)($attrib=*))", array("$attrib"));
 722
 723     /* Get list of ids */
 724     while ($attrs= $ldap->fetch()){
 725       $ids[]= (int)$attrs["$attrib"][0];
 726     }
 727
 728     /* Find out next free id near to UID_BASE */
 729     for ($id= $this->config->current['UIDBASE']; $id++; $id<65000){
 730       if (!in_array($id, $ids)){
 731         return ($id);
 732       }
 733     }
 734
 735     /* Should not happen */
 736     if ($id == 65000){
 737       print_red(_("Too many users, can't allocate a free ID!"));
 738       exit;
 739     }
 740   }
 741
 742 }
 743
 744 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 745 ?>