<?php
/*
 * This code is part of GOsa (http://www.gosa-project.org)
 * Copyright (C) 2003-2008 GONICUS GmbH
 *
 * ID: $$Id$$
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

class group extends plugin
{
  /* Group attributes */
  var $cn= "";
  var $description= "";
  var $gidNumber= "";
  var $memberUid= array();
  var $memberUid_used_by_some= array();

  /* Helpers */
  var $base= "";
  var $force_gid= FALSE;
  var $fon_group= FALSE;
  var $smbgroup= FALSE;
  var $groupType= FALSE;
  var $samba3= FALSE;
  var $sambaSID= "";
  var $sambaDomainName= "DEFAULT";
  var $SID= "";
  var $ridBase= 0;
  var $members= array();
  var $users= array();
  var $member= array();
  var $allusers= array();
  var $saved_gidNumber= "";
  var $oldgroupType= "";
  var $orig_dn= "";
  var $orig_cn= "";
  var $orig_base= "";
  var $has_mailAccount= FALSE;
  var $group_dialog= FALSE;
  var $nagios_group =FALSE;
  var $sambaGroupType;
  var $dialog;
  var $rfc2307bis= FALSE;
  var $OnlyShowFirstEntries =200;
  var $dnMapping= array();
  var $view_logged = FALSE;
  var $allowGroupsWithSameNameInOtherSubtrees = true;

  /* Trustmodel/AccessTo 
   */
  var $accessTo= array();
  var $trustModel= "";
  var $show_ws_dialog = FALSE;

  /* attribute list for save action */
  var $attributes= array("cn", "description", "gidNumber","memberUid","sambaGroupType","sambaSID","accessTo","trustModel");
  var $objectclasses= array("top", "posixGroup");

  var $CopyPasteVars  = array("force_gid","fon_group","smbgroup","groupType","sambaSID","sambaDomainName","SID","nagios_group");

  var $multiple_support = TRUE;

  function group (&$config, $dn= NULL)
  {
     /* Set rfc2307bis flag */
     if ($config->get_cfg_value("rfc2307bis") == "true"){
       $this->rfc2307bis= TRUE;
       $this->attributes[]= "member";
       $this->objectclasses[]= "groupOfNames";
     }

    plugin::plugin ($config, $dn);

    /* Load attributes depending on the samba version */
    $this->samba3= ($config->get_cfg_value("sambaversion") == 3);
    $this->orig_dn= $dn;
    $this->orig_cn= $this->cn;

    /* Read configuration option for $this->allowGroupsWithSameNameInOtherSubtrees */
    if ($config->get_cfg_value("allowGroupsWithSameNameInOtherSubtrees") == "false") {
        $this->allowGroupsWithSameNameInOtherSubtrees = FALSE;
    }

    /* Get member list */
    if (isset($this->attrs['memberUid'][0])){
      $tmp= array();
      for ($i= 0; $i<$this->attrs['memberUid']['count']; $i++){
        $tmp[$this->attrs['memberUid'][$i]]= $this->attrs['memberUid'][$i];
      }
      $this->memberUid= $tmp;
      ksort ($this->memberUid);
    }

    /* Save gidNumber for later use */
    if (isset($this->attrs['gidNumber'])){
      $this->saved_gidNumber= $this->attrs['gidNumber'][0];
    }

    /* Is a samba group? */
    if (isset($this->attrs['objectClass'])){
      if (array_search ('sambaGroupMapping', $this->attrs['objectClass']) == FALSE ){
        $this->smbgroup= FALSE;
      } else {
        $this->smbgroup= TRUE;
        if (isset($this->attrs['sambaSID'])){
          $this->sambaSID= $this->attrs['sambaSID'][0];
        }
      }
      if (array_search ('goFonPickupGroup', $this->attrs['objectClass']) == FALSE ){
        $this->fon_group= FALSE;
      } else {
        $this->fon_group= TRUE;
      }
      if (array_search ('nagiosContactGroup', $this->attrs['objectClass']) == FALSE ){
        $this->nagios_group= FALSE;
      } else {
        $this->nagios_group= TRUE;
      }
    }

    /* Set mail flag */
    if (isset($this->attrs['objectClass']) && in_array('gosaMailAccount', $this->attrs['objectClass'])){
      $this->has_mailAccount= TRUE;
    }

    /* Get samba Domain in case of samba 3 */
    if ($this->samba3 && $this->sambaSID != ""){
      $this->SID= preg_replace ("/-[^-]+$/", "", $this->sambaSID);
      $ldap= $this->config->get_ldap_link();
      $ldap->cd($this->config->current['BASE']);
      $ldap->search ("(&(objectClass=sambaDomain)(sambaSID=$this->SID))",array("sambaAlgorithmicRidBase"));
      if ($ldap->count() != 0){
        $attrs= $ldap->fetch();
        if(isset($attrs['sambaAlgorithmicRidBase'])){  
          $this->ridBase= $attrs['sambaAlgorithmicRidBase'][0];  
        } else {  
          $this->ridBase= $this->config->get_cfg_value("sambaRidBase");
        } 

        /* Get domain name for SID */
        $this->sambaDomainName= "DEFAULT";
        foreach ($this->config->data['SERVERS']['SAMBA'] as $key => $val){
          if ($val['SID'] == $this->SID){
            $this->sambaDomainName= $key;
            break;
          }
        }
      } else {
        if ($this->config->get_cfg_value("sambaRidBase") != ""){
          $this->sambaDomainName= "DEFAULT";
          $this->ridBase= $this->config->get_cfg_value("sambaRidBase");
          $this->SID= $this->config->get_cfg_value("sid");
        } else {
          msg_dialog::display(_("Configuration error"), _("Cannot find group SID in your configuration!"), ERROR_DIALOG);
        }
      }

      /* Get group type */
      $this->groupType= (int)substr(strrchr($this->sambaSID, "-"), 1);
      if ($this->groupType < 500 || $this->groupType > 553){
        $this->groupType= 0;
      }
      $this->oldgroupType= $this->groupType;

    }

    /* Get global filter config */
    if (!session::is_set("gufilter")){
      $ui= get_userinfo();
      $base= get_base_from_people($ui->dn);
      $gufilter= array( "dselect"       => $base,
          "regex"           => "*");
      session::set("gufilter", $gufilter);
    }
    $gufilter= session::get('gufilter');
    $gufilter['SubSearchGroup'] = false;
    session::set('gufilter',$gufilter);
  
    if ($this->dn == "new"){
      if(session::is_set('CurrentMainBase')){
        $this->base = session::get('CurrentMainBase');
      }else{
        $ui= get_userinfo();
        $this->base= dn2base($ui->dn);
      }
    } else {

      /* Get object base */
      $this->base =preg_replace ("/^[^,]+,".preg_quote(get_groups_ou(), '/')."/","",$this->dn);
    }
    $this->orig_base = $this->base;

    /* Is this account a trustAccount? */
    if (isset($this->attrs['trustModel'])){
      $this->trustModel= $this->attrs['trustModel'][0];
      $this->was_trust_account= TRUE;
    } else {
      $this->was_trust_account= FALSE;
      $this->trustModel= "";
    }

    $this->accessTo = array();
    if (isset($this->attrs['accessTo'])){
      for ($i= 0; $i<$this->attrs['accessTo']['count']; $i++){
        $tmp= $this->attrs['accessTo'][$i];
        $this->accessTo[$tmp]= $tmp;
      }
    }

    /* Get global filter config */
    if (!session::is_set("sysfilter")){
      $ui= get_userinfo();
      $base= get_base_from_people($ui->dn);
      $sysfilter= array( "depselect"       => $base,
          "regex"           => "*");
      session::set("sysfilter", $sysfilter);
    }

    /* This is always an account */
    $this->is_account= TRUE;
    $this->reload(TRUE);
  }

  function execute()
  {
    /* Call parent execute */
    plugin::execute();

    /* Log view */
    if($this->is_account && !$this->view_logged){
      $this->view_logged = TRUE;
      new log("view","groups/".get_class($this),$this->dn);
    }

    /* Do we represent a valid group? */
    if (!$this->is_account && $this->parent === NULL){
      $display= "<img alt=\"\" src=\"images/small-error.png\" align=\"middle\">&nbsp;<b>".msgPool::noValidExtension()."</b>";
      return ($display);
    }

    /* Delete user from group */
    if (isset($_POST['del_users']) && isset($_POST['members']) && preg_match("/w/",$this->getacl("memberUid"))){
      foreach ($_POST['members'] as $value){
        unset ($this->members["$value"]);
        $this->removeUser($value);
      }
      $this->reload();
    }

    /* Add objects? */
    if (isset($_POST["edit_membership"]) && preg_match("/w/",$this->getacl("memberUid"))){
      $this->group_dialog= TRUE;
      $this->dialog= TRUE;
    }

    /* Add objects finished? */
    if (isset($_POST["add_users_finish"]) || isset($_POST["add_users_cancel"])){
      $this->group_dialog= FALSE;
      $this->dialog= FALSE;
    }

    /* Add user to group */
    if (isset($_POST['add_users_finish']) && isset($_POST['users'])){
      foreach ($_POST['users'] as $value){
        $this->members["$value"]= $this->allusers[$value];
        asort($this->members);
        $this->addUser($value);
      }
      $this->reload();
    }

    /* Base select dialog */
    $once = true;
    foreach($_POST as $name => $value){
      if((preg_match("/^chooseBase/",$name) && $once) && $this->acl_is_writeable("base")){
          
        $once = false;
        $this->dialog = new baseSelectDialog($this->config,$this,$this->get_allowed_bases());
        $this->dialog->setCurrentBase($this->base);
      }
    }

    /* Dialog handling */
    if(is_object($this->dialog)){
      /* Must be called before save_object */
      $this->dialog->save_object();

      if($this->dialog->isClosed()){
        $this->dialog = false;
      }elseif($this->dialog->isSelected()){

        /* Check if selected base is valid */
        $tmp = $this->get_allowed_bases();
        if(isset($tmp[$this->dialog->isSelected()])){
          $this->base = $this->dialog->isSelected();
        }
        $this->dialog= false;
      }else{
        return($this->dialog->execute());
      }
    }


    /* Add user workstation? */
    if (isset($_POST["add_ws"])){
      $this->show_ws_dialog= TRUE;
      $this->dialog= TRUE;
    }

    /* Add user workstation? */
    if (isset($_POST["add_ws_finish"]) && isset($_POST['wslist'])){
      foreach($_POST['wslist'] as $ws){
        $this->accessTo[$ws]= $ws;
      }
      ksort($this->accessTo);
      $this->is_modified= TRUE;
    }

    /* Remove user workstations? */
    if (isset($_POST["delete_ws"]) && isset($_POST['workstation_list'])){
      foreach($_POST['workstation_list'] as $name){
        unset ($this->accessTo[$name]);
      }
      $this->is_modified= TRUE;
    }

    /* Add user workstation finished? */
    if (isset($_POST["add_ws_finish"]) || isset($_POST["add_ws_cancel"])){
      $this->show_ws_dialog= FALSE;
      $this->dialog= FALSE;
    }

    $smarty= get_smarty();

    /* Show ws dialog */
    if ($this->show_ws_dialog){

      /* Save data */
      $sysfilter= session::get("sysfilter");
      foreach( array("depselect", "regex") as $type){
        if (isset($_POST[$type])){
          $sysfilter[$type]= $_POST[$type];
        }
      }
      if (isset($_GET['search'])){
        $s= mb_substr($_GET['search'], 0, 1, "UTF8")."*";
        if ($s == "**"){
          $s= "*";
        }
        $sysfilter['regex']= $s;
      }
      session::set("sysfilter", $sysfilter);

      /* Get workstation list */
      $exclude= "";
      foreach($this->accessTo as $ws){
        $exclude.= "(cn=$ws)";
      }
      if ($exclude != ""){
        $exclude= "(!(|$exclude))";
      }
      $regex= $sysfilter['regex'];

      /* Search for systems 
       */
      $types = array();
      $types['server']      = array("OU" => get_ou("serverRDN"),     "OC" => "(objectClass=goServer)");
      $types['workstation'] = array("OU" => get_ou("workstationRDN"),"OC" => "(objectClass=gotoWorkstation)");
      $types['terminal']    = array("OU" => get_ou("terminalRDN"),   "OC" => "(objectClass=gotoTerminal)");
      
      $res = array();
      foreach($types as $acl => $data){
        $filter= "(&".$data['OC']."$exclude(cn=$regex))";
        $res= array_merge($res,get_sub_list($filter,array($acl),$data['OU'],get_ou("systemRDN").$sysfilter['depselect'],
          array("cn"), GL_SUBSEARCH | GL_SIZELIMIT));
      }
      $wslist = array();
      foreach ($res as $attrs){
        $wslist[]= preg_replace('/\$/', '', $attrs['cn'][0]);
      }

      asort($wslist);
      $smarty->assign("search_image", get_template_path('images/lists/search.png'));
      $smarty->assign("launchimage", get_template_path('images/lists/action.png'));
      $smarty->assign("tree_image", get_template_path('images/lists/search-subtree.png'));
      $smarty->assign("deplist", $this->config->idepartments);
      $smarty->assign("alphabet", generate_alphabet());
      foreach( array("depselect", "regex") as $type){
        $smarty->assign("$type", $sysfilter[$type]);
      }
      $smarty->assign("hint", print_sizelimit_warning());
      $smarty->assign("wslist", $wslist);
      $smarty->assign("apply", apply_filter());
      $display= $smarty->fetch (get_template_path('trust_machines.tpl', TRUE, dirname(__FILE__)));
      return ($display);
    }

    /* Assign templating stuff */
    if ($this->samba3){
      $smarty->assign("samba3", "true");
    } else {
      $smarty->assign("samba3", "");
    }

    if($this->config->search("nagiosaccount", "CLASS",array('menu'))){
      $smarty->assign("nagios",true);
    }else{
      $smarty->assign("nagios",false);
    }
    
    if($this->config->search("phoneAccount", "CLASS",array('menu'))){
      $smarty->assign("pickupGroup",true);
    }else{
      $smarty->assign("pickupGroup",false);
    }

    /* Manage object add dialog */
    if ($this->group_dialog){

      /* Save data */
      $gufilter= session::get("gufilter");
      foreach( array("dselect", "regex") as $type){
        if (isset($_POST[$type])){
          $gufilter[$type]= $_POST[$type];
        }
      }
      if(isset($_POST['regex'])){
        if(isset($_POST['SubSearchGroup'])){
          $gufilter['SubSearchGroup'] = true;
        }else{
          $gufilter['SubSearchGroup'] = false;
        }
      }

      if (isset($_GET['search'])){
        $s= mb_substr($_GET['search'], 0, 1, "UTF8")."*";
        if ($s == "**"){
          $s= "*";
        }
        $gufilter['regex']= $s;
      }
      session::set("gufilter", $gufilter);
      $this->reload();

      /* Show dialog */
      $smarty->assign("search_image", get_template_path('images/lists/search.png'));
      $smarty->assign("launchimage", get_template_path('images/lists/action.png'));
      $smarty->assign("tree_image", get_template_path('images/lists/search-subtree.png'));
      $ui = get_userinfo();
      $tmp = $ui->get_module_departments("users");
      $deps = array();
      foreach($this->config->idepartments as $dn => $name){
        if(in_array($dn,$tmp)){
          $deps[$dn] = $name;
        }
      }  
 
      $smarty->assign("deplist", $deps);
      $smarty->assign("alphabet", generate_alphabet());
      foreach( array("dselect", "regex","SubSearchGroup") as $type){
        $smarty->assign("$type", $gufilter[$type]);
      }
      $smarty->assign("hint", print_sizelimit_warning());
      $smarty->assign("users", $this->displayUsers);
      $smarty->assign("apply", apply_filter());
      $display= $smarty->fetch (get_template_path('group_objects.tpl', TRUE, dirname(__FILE__)));
      return ($display);
    }

    $smarty->assign("bases", $this->get_allowed_bases());
    $smarty->assign("base_select", $this->base);

    if ($this->samba3){
      $domains= array();
      foreach($this->config->data['SERVERS']['SAMBA'] as $name => $content){
        $domains[$name]= $name;
      }
      $smarty->assign("sambaDomains", $domains);
      $smarty->assign("sambaDomainName", $this->sambaDomainName);
      $groupTypes= array(0 => _("Samba group"), 512 => _("Domain admins"), 513 => _("Domain users"),
          514 => _("Domain guests"));

      /* Don't loose special groups! If not key'ed above, add it to
         the combo box... */	
      if ($this->groupType >= 500 && $this->groupType <= 553 && !isset($groupTypes[$this->groupType])){
        $groupTypes[$this->groupType]= sprintf(_("Special group (%d)"), $this->groupType);
      }

      $smarty->assign("groupTypes", $groupTypes);
      $smarty->assign("groupType", $this->groupType);
    }

    /* Members and users */
    $smarty->assign("members", $this->members);

    /* Work on trust modes */
    $smarty->assign("trusthide", " disabled ");
    $smarty->assign("trustmodeACL",  $this->getacl("trustModel"));
    if ($this->trustModel == "fullaccess"){
      $trustmode= 1;
      // pervent double disable tag in html code, this will disturb our clean w3c html
      $smarty->assign("trustmode",  $this->getacl("trustModel"));

    } elseif ($this->trustModel == "byhost"){
      $trustmode= 2;
      $smarty->assign("trusthide", "");
    } else {
      // pervent double disable tag in html code, this will disturb our clean w3c html
      $smarty->assign("trustmode",  $this->getacl("trustModel"));
      $trustmode= 0;
    }
    $smarty->assign("trustmode", $trustmode);
    $smarty->assign("trustmodes", array( 0 => _("disabled"), 1 => _("full access"),
          2 => _("allow access to these hosts")));

    if((count($this->accessTo))==0){
      $smarty->assign("emptyArrAccess",true);
    } else{
      $smarty->assign("emptyArrAccess",false);

    }

    $smarty->assign("workstations", $this->accessTo);


    /* Checkboxes */
    foreach (array("force_gid", "smbgroup") as $val){
      if ($this->$val == "1"){
        $smarty->assign("$val", "checked");
      } else {
        $smarty->assign("$val", "");
      }
    }
    if ($this->force_gid != "1"){
      $smarty->assign("forceMode", "disabled");
    }else{
      $smarty->assign("forceMode", "");
    }
    if ($this->fon_group){
      $smarty->assign("fon_group", "checked");
    } else {
      $smarty->assign("fon_group", "");
    }

    if ($this->nagios_group){
      $smarty->assign("nagios_group", "checked");
    } else {
      $smarty->assign("nagios_group", "");
    }

    /* Fields */
    foreach (array("cn", "description", "gidNumber") as $val){
      $smarty->assign("$val", $this->$val);
    }

    $tmp = $this->plInfo();
    foreach($tmp['plProvidedAcls'] as $name => $translation){
      $smarty->assign($name."ACL",$this->getacl($name));
    }
    
    if($this->acl_is_writeable("base")){
      $smarty->assign("baseSelect",true);
    }else{
      $smarty->assign("baseSelect",false);
    }

    /* Show main page */
    $smarty->assign("alphabet", generate_alphabet(10));
    $smarty->assign("search_image", get_template_path('images/lists/search.png'));
    $smarty->assign("launchimage", get_template_path('images/lists/action.png'));
    $smarty->assign("tree_image", get_template_path('images/lists/search-subtree.png'));
    $smarty->assign("deplist", $this->config->idepartments);

    /* Multiple edit handling */
    $smarty->assign("multiple_support",$this->multiple_support_active);

    $smarty->assign("memberUid_All",$this->memberUid);
    $smarty->assign("memberUid_Some",$this->memberUid_used_by_some);

    foreach($this->attributes as $val){
      if(in_array($val,$this->multi_boxes)){
        $smarty->assign("use_".$val,TRUE);
      }else{
        $smarty->assign("use_".$val,FALSE);
      }
    }
    foreach(array("base","smbgroup","groupType","sambaDomainName","fon_group","nagios_group","trustmode") as $val){
      if(in_array($val,$this->multi_boxes)){
        $smarty->assign("use_".$val,TRUE);
      }else{
        $smarty->assign("use_".$val,FALSE);
      }
    }

    return($smarty->fetch (get_template_path('generic.tpl', TRUE)));
  }

  function addUser($uid)
  {
    /* In mutliple edit we have to handle two arrays.
     *  memberUid               : Containing users used in all groups
     *  memberUid_used_by_some  : Those which are not used in all groups
     * So we have to remove the given $uid from the ..used_by_some array first.
     */
    if($this->multiple_support_active){
      if(isset($this->memberUid_used_by_some[$uid])){
        unset($this->memberUid_used_by_some[$uid]);
      }
    }  

    $this->memberUid[$uid]= $uid;
  }


  function removeUser($uid)
  {
    $temp= array();
    if(isset($this->memberUid[$uid])){
      unset($this->memberUid[$uid]);
    }

    /* We have two array contianing group members in multiple edit.
     *  this->memberUid             : Groups used by all currently edited groups 
     *  this->memberUid_used_by_some: Used by some 
     * So we have to remove the specified uid from both arrays.
     */
    if($this->multiple_support_active){
      if(isset($this->memberUid_used_by_some[$uid])){
        unset($this->memberUid_used_by_some[$uid]);
      }
    }
  }

  /* Reload data */
  function reload($silent = FALSE)
  {
    /* Fix regex string */
    $gufilter = session::get("gufilter");
    $regex    = normalizeLdap($gufilter['regex']);
    $MaxUser  = $this->OnlyShowFirstEntries;

    /* Prepare ldap link */
    $ldap= $this->config->get_ldap_link();
    $ldap->cd($gufilter['dselect']);


    /* Resolve still unresolved memberuids to fill the list with sn/giveName attributes 
        (Store gathered sn/givenName informations in $this->allusers too, 
         to be prepared when adding/deleting users)
     */    
    $filter = "";
    if ($this->config->get_cfg_value("ldapFilterNestingLimit") == "" ||
        count($this->memberUid) < $this->config->get_cfg_value("ldapFilterNestingLimit")){
      foreach ($this->memberUid as $value){
        if(!isset($this->members[$value])){
          $filter .= "(uid=".normalizeLdap($value).")";
        }
      }
    }

    if(!empty($filter)){    
      $ldap->cd($this->config->current['BASE']);
      $ldap->search("(&(objectClass=gosaAccount)(!(objectClass=gosaUserTemplate))(|".$filter."))",array("dn", "uid","sn","givenName"));
      while($attrs = $ldap->fetch()){
        $this->dnMapping[$attrs['uid'][0]] = $attrs['dn'];
        $this->members[$attrs['uid'][0]] = $this->createResultName($attrs);
        $this->allusers[$attrs['uid'][0]]= $this->createResultName($attrs);
      } 
    }
  
    /* check if all uids are resolved */
    if ($this->config->get_cfg_value("ldapFilterNestingLimit") == "" ||
        count($this->memberUid) < $this->config->get_cfg_value("ldapFilterNestingLimit")){
      foreach ($this->memberUid as $value){
        if(!isset($this->members[$value])){
          $this->members[$value] =  _("! unknown id")." [".$value."]"; 
        }
      }  
    }else{
      foreach ($this->memberUid as $value){
        $this->members[$value] = $value; 
      }  
    }

    /* Create display list of users matching regex & filter 
     */
    $this->displayUsers = array();
    $filter = "(&(objectClass=gosaAccount)(!(objectClass=gosaUserTemplate))(!(uid=*$))(|(uid=".$regex.")(sn=".$regex.")(givenName=".$regex.")))";

    /* Search in current tree or within subtrees depending on the checkbox from filter section */
    if($gufilter['SubSearchGroup']){
      $flag = GL_SIZELIMIT | GL_SUBSEARCH;
      $base = $gufilter['dselect'];
    }else{
      $flag = GL_SIZELIMIT ;
      $base = get_people_ou().$gufilter['dselect'];
    }
    $i = 0;
  

    $res = get_list($filter,"users",$base,array("dn", "uid", "sn", "givenName"),$flag);

    /* Fetch all users and skip already used users */
    foreach($res as $attrs){
      if(in_array($attrs['uid'][0], $this->memberUid)) {
        continue;
      }
      $i ++;
      if($i > $MaxUser) {
        break;
      }
      $this->dnMapping[$attrs['uid'][0]]= $attrs["dn"];
      $this->allusers[$attrs['uid'][0]]     = $this->createResultName($attrs);
      $this->displayUsers[$attrs['uid'][0]] = $this->createResultName($attrs);
    }
  
    /* If more than max users are found, display a message to warn the user */
    if($i == $MaxUser && !$silent){
      msg_dialog::display(_("Configuration error"), sprintf(_("Search returned too many results. Not displaying more than %s entries!"), $MaxUser), ERROR_DIALOG);
    }
    
    /* Sort lists */
    natcasesort($this->members);
    reset($this->members);
    natcasesort ($this->displayUsers);
    reset ($this->displayUsers);
  }


  /* Create display name, this was used so often that it is excluded into a seperate function */
  function createResultName($attrs)
  {
    if (isset($attrs["givenName"][0]) && isset($attrs["sn"][0])){
      $ret =  $attrs["sn"][0].", ".$attrs["givenName"][0]." [".$attrs["uid"][0]."]";
    } else {
      $ret= $attrs['uid'][0];
    }
    return($ret);
  }


  function remove_from_parent()
  {
    plugin::remove_from_parent();

    $ldap= $this->config->get_ldap_link();
    $ldap->rmdir($this->dn);
    if (!$ldap->success()){
      msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, LDAP_DEL, get_class()));
    }

    new log("remove","groups/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());

    /* Delete references to object groups */
    $ldap->cd ($this->config->current['BASE']);
    $ldap->search ("(&(objectClass=gosaGroupOfNames)(member=".LDAP::prepare4filter($this->dn)."))", array("cn"));
    while ($ldap->fetch()){
      $og= new ogroup($this->config, $ldap->getDN());
      unset($og->member[$this->dn]);
      $og->save ();
    }

    /* Remove ACL dependencies too,
     */
    $ldap = $this->config->get_ldap_link();
    $ldap->cd($this->config->current['BASE']);
    $ldap->search("(&(objectClass=gosaAcl)(gosaAclEntry=*".base64_encode($this->dn)."*))",array("gosaAclEntry","dn"));
    while($attrs = $ldap->fetch()){
      $acl = new acl($this->config,$this->parent,$attrs['dn']);
      foreach($acl->gosaAclEntry as $id => $entry){
        foreach($entry['members'] as $m_id => $member){
          if($m_id == "G:".$this->dn || $m_id == "U:".$this->dn){
            unset($acl->gosaAclEntry[$id]['members'][$m_id]);
            gosa_log("modify","groups/acl",$attrs['dn'],array(),sprintf("Removed acl for %s on object %s.",$this->dn,$attrs['dn']));
          }
        }
      }
      $acl->save();
    }

    /* Remove ACL dependencies too,
     */
    $tmp = new acl($this->config,$this->parent,$this->dn);
    $tmp->remove_acl();

    /* Send signal to the world that we've done */
    $this->handle_post_events("remove");
  }


  /* Save data to object */
  function save_object()
  {
    /* Save additional values for possible next step */
    if (isset($_POST['groupedit'])){

      /* Create a base backup and reset the 
          base directly after calling plugin::save_object();  
         Base will be set seperatly a few lines below */
      $base_tmp = $this->base;
      plugin::save_object();
      $this->base = $base_tmp;

      $this->force_gid= 0;

      /* Only reset sambagroup flag if we are able to write this flag */
      if($this->acl_is_writeable("sambaGroupType")){
        $this->smbgroup = 0;
      }

      /* Get base selection */
      if(isset($_POST['base'])){
        $tmp = $this->get_allowed_bases();
        if(isset($tmp[$_POST['base']])){
          $this->base = $_POST['base'];
        }
      }

      foreach (array(
            "force_gid"  => "gidNumber", 
            "smbgroup"   => "sambaGroupType") as $val => $aclname) {
        if ($this->acl_is_writeable($aclname)  && isset($_POST["$val"])){
          $this->$val= $_POST["$val"];
        }
      }

      /* Save sambaDomain attribute */
      if ($this->acl_is_writeable("sambaDomainName") && $this->samba3 && isset ($_POST['sambaDomainName'])){
        $this->sambaDomainName= $_POST['sambaDomainName'];
        $this->groupType= $_POST['groupType'];
      }

      /* Save fon attribute */
      if ($this->acl_is_writeable("fonGroup")){
        if (isset ($_POST['fon_group'])){
          $this->fon_group= TRUE;
        } else {
          $this->fon_group= FALSE;
        }
      }
      if ($this->acl_is_writeable("nagiosGroup")){
        if (isset ($_POST['nagios_group'])){
          $this->nagios_group= TRUE;
        } else {
          $this->nagios_group= FALSE;
        }
      }
    }

    /* Trust mode - special handling */
    if($this->acl_is_writeable("trustModel")){
      if (isset($_POST['trustmode'])){
        $saved= $this->trustModel;
        if ($_POST['trustmode'] == "1"){
          $this->trustModel= "fullaccess";
        } elseif ($_POST['trustmode'] == "2"){
          $this->trustModel= "byhost";
        } else {
          $this->trustModel= "";
        }
        if ($this->trustModel != $saved){
          $this->is_modified= TRUE;
        }
      }
    }

  }


  /* Save to LDAP */
  function save()
  {

    /* ID handling */
    if ($this->force_gid == 0){
      if ($this->saved_gidNumber != ""){
        $this->gidNumber= $this->saved_gidNumber;
      } else {
        /* Calculate new, lock uids */
        $wait= 10;
        while (get_lock("uidnumber") != ""){
          sleep (1);

          /* timed out? */
          if ($wait-- == 0){
            break;
          }
        }
        add_lock ("uidnumber", "gosa");
        $this->gidNumber= $this->get_next_id("gidNumber", $this->dn);
      }
    }
  
    plugin::save(); 

 /* Trust accounts */
    $objectclasses= array();
    foreach ($this->attrs['objectClass'] as $key => $class){
      if (preg_match('/trustAccount/i', $class)){
        continue;
      }
      $objectclasses[]= $this->attrs['objectClass'][$key];
    }
    $this->attrs['objectClass']= $objectclasses;
    if ($this->trustModel != ""){
      $this->attrs['objectClass'][]= "trustAccount";
      $this->attrs['trustModel']= $this->trustModel;
      $this->attrs['accessTo']= array();
      if ($this->trustModel == "byhost"){
        foreach ($this->accessTo as $host){
          $this->attrs['accessTo'][]= $host;
        }
      }
    } else {
      if ($this->was_trust_account){
        $this->attrs['accessTo']= array();
        $this->attrs['trustModel']= array();
      }
    }


    /* Remove objectClass for samba/phone support */
    $tmp= array();
    for ($i= 0; $i<count($this->attrs["objectClass"]); $i++){
      if ($this->attrs['objectClass'][$i] != 'sambaGroupMapping' &&
          $this->attrs['objectClass'][$i] != 'sambaIdmapEntry' &&
          $this->attrs['objectClass'][$i] != 'goFonPickupGroup' &&
	 $this->attrs['objectClass'][$i] != 'nagiosContactGroup'){
        $tmp[]= $this->attrs['objectClass'][$i];
      }
    }
    $this->attrs['objectClass']= $tmp;
    $ldap= $this->config->get_ldap_link();

    /* Add samba group functionality */
    if ($this->samba3 && $this->smbgroup){
  
      /* Fixed undefined index ... 
       */ 
      $this->SID = $this->ridBase = "";
      if(isset($this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['SID'])){
        $this->SID    = $this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['SID'];
      }else{
        msg_dialog::display(_("Error"), sprintf(_("Cannot find any SID for '%s'!"), $this->sambaDomainName), ERROR_DIALOG);
      }
      if(isset($this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['RIDBASE'])){
        $this->ridBase= $this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['RIDBASE']; 
      }else{
        msg_dialog::display(_("Error"), sprintf(_("Cannot find any RIDBASE for '%s'!"), $this->sambaDomainName), ERROR_DIALOG);
      }

      $this->attrs['objectClass'][]= 'sambaGroupMapping';
      $this->attrs['sambaGroupType']= "2";

      /* Check if we need to create a special entry */
      if ($this->groupType == 0){

        if ($this->sambaSID == "" || $this->oldgroupType != $this->groupType){
          $gidNumber= $this->gidNumber;
          while(TRUE){
            $sid= $this->SID."-".($gidNumber*2 + $this->ridBase+1);
            $ldap->cd($this->config->current['BASE']);
            $ldap->search("(sambaSID=$sid)",array("sambaSID"));
            if ($ldap->count() == 0){
              break;
            }
            $gidNumber++;
          }
          $this->attrs['sambaSID']= $sid;
          $this->sambaSID= $sid;
        }

      } else {
        $this->attrs['sambaSID']=$this->SID."-".$this->groupType;
      }

      /* User wants me to fake the idMappings? This is useful for
         making winbind resolve the group names in a reasonable amount
         of time in combination with larger databases. */
      if ($this->config->get_cfg_value("sambaidmapping") == "true"){
        $this->attrs['objectClass'][]= "sambaIdmapEntry";
      }

    }

    /* Add phone functionality */
    if ($this->fon_group){
      $this->attrs['objectClass'][]= "goFonPickupGroup";
    }

    /* Add nagios functionality */
    if ($this->nagios_group){
      $this->attrs['objectClass'][]= "nagiosContactGroup";
    }

    /* Take members array */
    if (count ($this->memberUid)){
      $this->attrs['memberUid']= array_values(array_unique($this->memberUid));
    }

    /* New accounts need proper 'dn', propagate it to remaining objects */
    if ($this->dn == 'new'){
      $this->dn= 'cn='.$this->cn.','.get_groups_ou().$this->base;
    }

    /* Add member dn's for RFC2307bis Support */
    if ($this->rfc2307bis){
      $this->attrs['member'] = array();
      if (count($this->memberUid)){
        foreach($this->attrs['memberUid'] as $uid) {
          $this->attrs['member'][]= $this->dnMapping[$uid];
        }
      } else {
        $this->attrs['member'][]= $this->dn;
      }
    }

    /* Save data. Using 'modify' implies that the entry is already present, use 'add' for
       new entries. So do a check first... */
    $ldap->cat ($this->dn, array('dn'));
    if ($ldap->fetch()){
      /* Modify needs array() to remove values :-( */
      if (!count ($this->memberUid)){
        $this->attrs['memberUid']= array();
      }
      if ($this->samba3){
        if (!$this->smbgroup){
          $this->attrs['sambaGroupType']= array();
          $this->attrs['sambaSID']= array();
        }
      }
      $mode= "modify";
    } else {
      $mode= "add";
      $ldap->cd($this->config->current['BASE']);
      $ldap->create_missing_trees(preg_replace('/^[^,]+,/', '', $this->dn));
    }

    /* Write back to ldap */
    $ldap->cd($this->dn);
    $this->cleanup();
    $ldap->$mode($this->attrs);

    /* Remove ACL dependencies too,
     */
    if($this->dn != $this->orig_dn && $this->orig_dn != "new"){
      $tmp = new acl($this->config,$this->parent,$this->dn);
      $tmp->update_acl_membership($this->orig_dn,$this->dn);
    }

    if($this->initially_was_account){
      new log("modify","groups/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
    }else{
      new log("create","groups/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
    }

    $ret= 0;
    if (!$ldap->success()){
      msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, 0, get_class()));
      $ret= 1;
    }

    /* Remove uid lock */
    del_lock ("uidnumber");

    /* Post that we've done*/
    $this->handle_post_events($mode);

    return ($ret);
  }

  function check()
  {
    /* Call common method to give check the hook */
    $message= plugin::check();

    /* Permissions for that base? */
    if ($this->base != ""){
      $new_dn= 'cn='.$this->cn.','.get_groups_ou().$this->base;
    } else {
      $new_dn= $this->dn;
    }

    /* must: cn */
    if ($this->cn == "" && $this->acl_is_writeable("cn")){
      $message[]= msgPool::required(_("Name"));
    }

    /* Check for valid input */
    if (!tests::is_uid($this->cn)){
      if (strict_uid_mode()){
        $message[]= msgPool::invalid(_("Name"), $this->cn, "/[a-z0-9_-]/");
      } else {
        $message[]= msgPool::invalid(_("Name"), $this->cn, "/[a-z0-9_-]/i");
      }
    }

    if($this->allowGroupsWithSameNameInOtherSubtrees == true){

      /* Check for used 'cn' */
      $ldap= $this->config->get_ldap_link();
      if(($this->cn  != $this->orig_cn) || ($this->orig_dn == "new") || ($new_dn != $this->orig_dn)){
        $ldap->cd(get_groups_ou().$this->base);
        $ldap->ls("(&(|(objectClass=gosaGroupOfNames)(objectClass=posixGroup))(cn=$this->cn))",get_groups_ou().$this->base,array("cn"));
        if ($ldap->count() != 0){
          $message[]= msgPool::duplicated(_("Name"));
        }
      }
    }else{
        /* Check for used 'cn' */
        $ldap= $this->config->get_ldap_link();
        $ldap->cd($this->config->current['BASE']);
        $ldap->search("(&(|(objectClass=gosaGroupOfNames)(objectClass=posixGroup))(cn=$this->cn))",array("cn", "gosaUnitTag"));
        if ($ldap->count() != 0){
          while ($entry = $ldap->fetch()) {
            if ($this->gosaUnitTag == '' || ($this->orig_dn != $new_dn)) {
                  $tag = $this->get_gosaUnitTag($new_dn);
            }
            else {
                  $tag = $this->gosaUnitTag;
            }
            if ($entry['gosaUnitTag'][0] == $tag) {
                    if ($ldap->getDN() != $this->orig_dn){
                    $message[]= _("Another group of the same name already exists, saving or creating this group is not allowed. Please rename the group or remove the other group.");
                    break;
                    }
                }
          }
        }
    }   

    /* Check ID */
    if ($this->force_gid == "1"){
      if (!tests::is_id($this->gidNumber)){
        $message[]= msgPool::invalid(_("GID"), $this->gidNumber, "/[0-9]/");
      } else {
        if ($this->gidNumber < $this->config->get_cfg_value("minId")){
          $message[]= msgPool::toosmall(_("GID"), $this->config->get_cfg_value("minId"));
        }

      }
    }
    
    /* Check if we are allowed to create or move this object 
     */
    if(!$this->orig_dn == "new" || 
        $this->orig_base != $this->base || 
        $this->cn != $this->orig_cn){

      if($this->orig_dn == "new" && !$this->acl_is_createable($this->base)){
        $message[] = msgPool::permCreate();
      }elseif($this->orig_dn != "new" && !$this->acl_is_moveable($this->base)){
        $message[] = msgPool::permMove();
      }
    }

    return ($message);
  }

  function get_next_id($attrib, $dn)
  {
    $ids= array();
    $ldap= $this->config->get_ldap_link();

    $ldap->cd ($this->config->current['BASE']);
    if (preg_match('/gidNumber/i', $attrib)){
      $oc= "posixGroup";
    } else {
      $oc= "posixAccount";
    }
    $ldap->search ("(&(objectClass=$oc)($attrib=*))", array("$attrib"));

    /* Get list of ids */
    while ($attrs= $ldap->fetch()){
      $ids[]= (int)$attrs["$attrib"][0];
    }

    /* Find out next free id near to UID_BASE */
    if ($this->config->get_cfg_value("baseIdHook") == ""){
      $base= $this->config->get_cfg_value("uidNumberBase");
    } else {
      /* Call base hook */
      $base= get_base_from_hook($dn, $attrib);
    }
    for ($id= $base; $id++; $id < pow(2,32)){
      if (!in_array($id, $ids)){
        return ($id);
      }
    }

    /* Check if id reached maximum */
    if ($id >= pow(2,32)){
      msg_dialog::display(_("Error"), _("Cannot allocate a free ID!"), ERROR_DIALOG);
      exit;
    }
  }

  function getCopyDialog()
  {
    $vars = array("cn");
  
    if($this ->force_gid){
      $used = " checked ";
      $dis  = "";
    }else{
      $used = "";
      $dis  = " disabled ";
    }

    $smarty = get_smarty();
    $smarty->assign("used",$used);
    $smarty->assign("dis" ,$dis);
    $smarty->assign("cn" ,$this->cn);
    $smarty->assign("gidNumber",$this->gidNumber);
    $str = $smarty->fetch(get_template_path("paste_generic.tpl",TRUE));
    $ret = array();
    $ret['string'] = $str;
    $ret['status'] = "";
    return($ret);
  }

  function saveCopyDialog()
  {
    if(isset($_POST['cn'])){
      $this->cn = $_POST['cn'];
    }
    if(isset($_POST['force_gid'])){
      $this->force_gid  = 1;
      $this->gidNumber= $_POST['gidNumber'];
    }else{
      $this->force_gid  = 0;
      $this->gidNumber  = false;
    }
  }

  
  /* Return plugin informations for acl handling  */ 
  static function plInfo()
  {
    return (array(  
          "plShortName" => _("Generic"),
          "plDescription" => _("Generic group settings"),
          "plSelfModify"  => FALSE,
          "plDepends"     => array(),
          "plPriority"    => 0,
          "plSection"     => array("administration"),
          "plCategory"    => array("groups" => array("objectClass" => "posixGroup", "description" => _("Groups"))),

          "plProvidedAcls"    => array(
            "cn"                => _("Name"),
            "description"       => _("Description"),
            "base"              => _("Base"),

            "gidNumber"         => _("GID"),

            "sambaGroupType"    => _("Samba group type"),
            "sambaDomainName"   => _("Samba domain name"),
            "trustModel"        => _("System trust"),
            "fonGroup"          => _("Phone pickup group"),
            "nagiosGroup"       => _("Nagios group"),

            "memberUid"         => _("Group member"))
        ));
  }


  function multiple_save_object()
  {
    if(isset($_POST['group_mulitple_edit'])){

      /* Create a base backup and reset the
         base directly after calling plugin::save_object();
         Base will be set seperatly a few lines below */
      $base_tmp = $this->base;
      plugin::multiple_save_object();
      plugin::save_object();
      $this->base = $base_tmp;

      foreach(array("base","smbgroup","groupType","sambaDomainName","fon_group","nagios_group","trustmode") as $attr){
        if(isset($_POST['use_'.$attr])){
          $this->multi_boxes[] = $attr;
        }
      }

      /* Get base selection */
      if(isset($_POST['base'])){
        $tmp = $this->get_allowed_bases();
        if(isset($tmp[$_POST['base']])){
          $this->base = $_POST['base'];
        }
      }

      foreach (array( "smbgroup"   => "sambaGroupType" ,"nagios_group" => "nagios_group") as $val => $aclname) {
        if ($this->acl_is_writeable($aclname)){
          if(isset($_POST["$val"])){
            $this->$val=  TRUE;
          }else{
            $this->$val=  FALSE;
          }
        }
      }

      /* Save sambaDomain attribute */
      if ($this->acl_is_writeable("sambaDomainName") && $this->samba3 && isset ($_POST['sambaDomainName'])){
        $this->sambaDomainName= $_POST['sambaDomainName'];
        $this->groupType= $_POST['groupType'];
      }

      /* Trust mode - special handling */
      if($this->acl_is_writeable("trustModel")){
        if (isset($_POST['trustmode'])){
          $saved= $this->trustModel;
          if ($_POST['trustmode'] == "1"){
            $this->trustModel= "fullaccess";
          } elseif ($_POST['trustmode'] == "2"){
            $this->trustModel= "byhost";
          } else {
            $this->trustModel= "";
          }
          if ($this->trustModel != $saved){
            $this->is_modified= TRUE;
          }
        }
      }

      /* Save fon attribute */
      if ($this->acl_is_writeable("fonGroup")){
        if (isset ($_POST['fon_group'])){
          $this->fon_group= TRUE;
        } else {
          $this->fon_group= FALSE;
        }
      }
    }
  }


  function get_multi_edit_values()
  {
    $ret = plugin::get_multi_edit_values();

    foreach(array("base","smbgroup","groupType","sambaDomainName","fon_group","nagios_group") as $attr){    
      if(in_array($attr,$this->multi_boxes)){
        $ret[$attr] = $this->$attr;
      }
    }

    if(in_array("trustmode",$this->multi_boxes)){
      $ret['trustModel'] = $this->trustModel;
      $ret['accessTo'] = $this->accessTo;
    }

    $ret['memberUid'] = $this->memberUid;
    $ret['memberUid_used_by_some'] = $this->memberUid_used_by_some;
    return($ret);
  }

  function multiple_execute()
  {
    return($this->execute());
  }


  /* Initialize plugin with given atribute arrays
   */
  function init_multiple_support($attrs,$all)
  {
    plugin::init_multiple_support($attrs,$all);

    $this->memberUid = array();
    $this->memberUid_used_by_some = array();
    if (isset($attrs['memberUid'])){
      for ($i= 0; $i<$attrs['memberUid']['count']; $i++){
        $this->memberUid[$attrs['memberUid'][$i]]= $attrs['memberUid'][$i];
      }
      ksort($this->memberUid);
    }

    if (isset($all['memberUid'])){
      for ($i= 0; $i<$all['memberUid']['count']; $i++){
        if(!in_array($all['memberUid'][$i],$this->memberUid)){
          $this->memberUid_used_by_some[$all['memberUid'][$i]]= $all['memberUid'][$i];
        }
      }
      ksort($this->memberUid_used_by_some);
    }
  }


  function PrepareForCopyPaste($source)
  {
    plugin::PrepareForCopyPaste($source);
    
    $source_o = new group($this->config, $source['dn']);
    foreach($this->CopyPasteVars as $var) {
        $this->$var = $source_o->$var;
    }

    $this->memberUid = array();
    if(isset($source['memberUid'])){
      for($i = 0 ; $i < $source['memberUid']['count']; $i ++){
        $this->memberUid[] = $source['memberUid'][$i];
      }
    }
  }


  function set_multi_edit_values($attrs)
  {
    $users = array();

    /* Update groupMembership, keep optinal group */
    foreach($attrs['memberUid_used_by_some'] as $uid){
      if(in_array($uid,$this->memberUid)){
        $users[$uid] = $uid;
      }
    }

    /* Update groupMembership, add forced groups */
    foreach($attrs['memberUid'] as $uid){
      $users[$uid] = $uid;
    }
    plugin::set_multi_edit_values($attrs);
    $this->memberUid = $users;
  }
}
// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>