<?php
class termstartup extends plugin
{
  /* Generic terminal attributes */
  var $goLdapServerList= array();
  var $gotoBootKernel= "default";
  var $gotoKernelParameters= "";
  var $gotoLdapServer= "";
  var $gotoModules= array();
  var $gotoTerminalPath= "";
  var $gotoBootKernels= array();

  /* Ldap server list */
  var $gotoLdapServers    = array();
  var $gotoLdapServerList = array();
  var $gotoLdap_inherit   = FALSE;

  /* Share */
  var $gotoShares         = array();// Currently Share Option
  var $gotoShare          = "";     // currently selected Share Option
  var $gotoShareSelections= array();// Available Shares for this account in Listbox format
  var $gotoAvailableShares= array();// Available Shares for this account


  /* attribute list for save action */
  var $attributes= array("gotoLdapServer", "gotoBootKernel", "gotoKernelParameters","gotoModules");
  var $objectclasses= array("GOhard");
  var $view_logged = FALSE;

  /* Helper */
  var $customParameters= "";
  var $orig_dn= "";
  var $ignore_account= TRUE;

  function termstartup (&$config, $dn= NULL, $parent= NULL)
  {
    plugin::plugin ($config, $dn, $parent);

    $this->gotoBootKernels = array("default"=> ("default"));

    /* Get arrays */
    foreach (array("gotoModules") as $val){
      $this->$val = array();
      if (isset($this->attrs["$val"]["count"])){
        for ($i= 0; $i<$this->attrs["count"]; $i++){
          if (isset($this->attrs["$val"][$i])){
            array_push($this->$val, $this->attrs["$val"][$i]);
          }
        }
      }
      sort ($this->$val);
      $this->$val= array_unique($this->$val);
    }

    if (preg_match("/ o /", $this->gotoKernelParameters)){
      $this->customParameters= preg_replace ("/^.* o /", "", $this->gotoKernelParameters);
    } else {
      $this->customParameters= "";
    }

    /* Prepare Shares */
    if((isset($this->attrs['gotoShare']))&&(is_array($this->attrs['gotoShare']))){
      unset($this->attrs['gotoShare']['count']);
      foreach($this->attrs['gotoShare'] as $share){
        $tmp = $tmp2 = array();
        $tmp = split("\|",$share);
        $tmp2['server']      =$tmp[0];
        $tmp2['name']        =$tmp[1];
        $tmp2['mountPoint']  =$tmp[2];
        $this->gotoShares[$tmp[1]."|".$tmp[0]]=$tmp2;
      }
    }

    $this->gotoShareSelections= $config->getShareList(true);
    $this->gotoAvailableShares= $config->getShareList(false);

    $this->orig_dn= $this->dn;

    /* Get list of boot kernels */
    if (isset($this->config->data['TABS'])){
      $command= $this->config->search(get_class($this), "KERNELS",array('tabs'));

      if (!check_command($command)){
        $message[]= sprintf(_("Command '%s', specified as KERNELS hook for plugin '%s' doesn't seem to exist."), $command,
            get_class($this));
      } else {
        $fh= popen($command, "r");
        while (!feof($fh)) {
          $buffer= trim(fgets($fh, 256));
          
          if(!empty($buffer)){
          
            $name=$value = $buffer;

            if(preg_match("/:/",$buffer)){
              $name = preg_replace("/:.*$/","",$buffer);
              $value= preg_replace("/^.*:/","",$buffer);
              $this->gotoBootKernels[$name]= $name.":".$value;
            }else{
              $this->gotoBootKernels[$name]= $value;
            }
          }
        }
        pclose($fh);
      }

    }
    
    foreach($this->config->data['SERVERS']['LDAP'] as $server) {
      $this->gotoLdapServerList[]= $server;
    }
    if(isset($this->attrs['gotoLdapServer'])){
      unset($this->attrs['gotoLdapServer']['count']);
      sort($this->attrs['gotoLdapServer']);
      foreach($this->attrs['gotoLdapServer'] as $value){
        $this->gotoLdapServers[] = preg_replace("/^[0-9]*:/","",$value);
      }
    }
    if(!count($this->gotoLdapServers)){
      $this->gotoLdap_inherit = TRUE;
    }

    /* Load hardware list */
    $ldap= $this->config->get_ldap_link();
    $ldap->cd($this->config->current['BASE']);
    $ldap->search("(&(objectClass=gotoWorkstationTemplate)(member=".LDAP::prepare4filter($this->dn)."))");
    if ($ldap->count() == 1){
      $map= array("gotoLdapServer","gotoBootKernel");
      $attrs= $ldap->fetch();

      foreach ($map as $name){
        if (!isset($attrs[$name][0])){
          continue;
        }
        switch ($name){
          case 'gotoBootKernel':
            $this->gotoBootKernels["default"] = "["._("inherited")."]"; 
          break;
          case 'gotoLdapServer':
            $this->goLdapServerList= array_merge(array('default-inherit' => _("inherited").' ['.$attrs[$name][0].']' ), $this->goLdapServerList);
            break;
        }
      }
    }
  }

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

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

    /* Do we need to flip is_account state? */
    if (isset($_POST['modify_state'])){
      $this->is_account= !$this->is_account;
    }

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

    /* Add module */
    if (isset ($_POST['add_module'])){
      if ($_POST['module'] != "" && $this->acl_is_writeable("gotoMode")){
        $this->add_list ($this->gotoModules, $_POST['module']);
      }
    }

    /* Delete module */
    if (isset ($_POST['delete_module'])){
      if (count($_POST['modules_list']) && $this->acl_is_writeable("gotoMode")){
        $this->del_list ($this->gotoModules, $_POST['modules_list']);
      }
    }

    /* Show main page */
    $smarty= get_smarty();

    /* Assign acls */
    $tmp = $this->plInfo();
    foreach($tmp['plProvidedAcls'] as $name => $translation){
      $smarty->assign($name."ACL",$this->getacl($name));
    }


       /* In this section server shares will be defined
     * A user can select one of the given shares and a mount point
     *  and attach this combination to his setup.
     */
    $smarty->assign("gotoShareSelections",    $this->gotoShareSelections);
    $smarty->assign("gotoShareSelectionKeys", array_flip($this->gotoShareSelections));
    $smarty->assign("gotoBootKernels",$this->gotoBootKernels);

    /* if $_POST['gotoShareAdd'] is set, we will try to add a new entry
     * This entry will be, a combination of mountPoint and sharedefinitions
     */
    if(isset($_POST['gotoShareAdd']) && $this->acl_is_writeable("gotoShare")){
      /* We assign a share to this user, if we don't know where to mount the share */
      if((!isset($_POST['gotoShareMountPoint']))||(empty($_POST['gotoShareMountPoint']))||(preg_match("/[\|]/i",$_POST['gotoShareMountPoint']))){
        msg_dialog::display(_("Error"), msgPool::invalid(_("Mount point")), WARNING_DIALOG);
      }else{
        $a_share = $this->gotoAvailableShares[$_POST['gotoShareSelection']];
        $s_mount = $_POST['gotoShareMountPoint'];
        /* Preparing the new assignment */
        $this->gotoShares[$a_share['name']."|".$a_share['server']]=$a_share;
        $this->gotoShares[$a_share['name']."|".$a_share['server']]['mountPoint']=$s_mount;
      }
    }

    /* if the Post  gotoShareDel is set, someone asked GOsa to delete the selected entry (if there is one selected)
     * If there is no defined share selected, we will abort the deletion without any message
     */
    if((isset($_POST['gotoShareDel']))&&(isset($_POST['gotoShare'])) && $this->acl_is_writeable("gotoShare")){
      unset($this->gotoShares[$_POST['gotoShare']]);
    }

    $smarty->assign("gotoShares",$this->printOutAssignedShares());
    $smarty->assign("gotoShareKeys",array_flip($this->printOutAssignedShares()));

    /* Create divSelectBox for ldap server selection
     */
    $SelectBoxLdapServer = new divSelectBox("LdapServer");
    $SelectBoxLdapServer->SetHeight(80);

 /* Add new ldap server to the list */
    if(!$this->gotoLdap_inherit && isset($_POST['add_ldap_server']) && isset($_POST['ldap_server_to_add'])){
      if(isset($this->gotoLdapServerList[$_POST['ldap_server_to_add']])){
        $to_add = $this->gotoLdapServerList[$_POST['ldap_server_to_add']];
        if(!in_array($to_add,$this->gotoLdapServers)){
          $this->gotoLdapServers[] = $to_add;
        }
      }
    }

    /* Move ldap servers up and down */
    if(!$this->gotoLdap_inherit){
      foreach($_POST as $name => $value){
        if(preg_match("/sort_ldap_up_/",$name)){
          $id = preg_replace("/^sort_ldap_up_([0-9]*)_(x|y)$/","\\1",$name);
          $from =  $id;
          $to   =  $id -1;
          $tmp = $this->array_switch_item($this->gotoLdapServers,$from,$to);
          if($tmp){
            $this->gotoLdapServers = $tmp;
          }
          break;
        }
        if(preg_match("/sort_ldap_down_/",$name)){
          $id = preg_replace("/^sort_ldap_down_([0-9]*)_(x|y)$/","\\1",$name);
          $from =  $id;
          $to   =  $id +1;
          $tmp = $this->array_switch_item($this->gotoLdapServers,$from,$to);
          if($tmp){
            $this->gotoLdapServers = $tmp;
          }
          break;
        }
        if(preg_match("/gotoLdapRemove_/",$name)){
          $id = preg_replace("/^gotoLdapRemove_([0-9]*)_(x|y)$/","\\1",$name);
          $value = $this->gotoLdapServers[$id];
          $this->gotoLdapServers = array_remove_entries(array($value),$this->gotoLdapServers);
          break;
        }
      }
    }
  /* Add Entries
     */
    foreach($this->gotoLdapServers as $key => $server){
      if(!in_array($server,$this->gotoLdapServerList)){
        $server = $server."&nbsp;<font style='color:red'>(missing)</font>";
      }

      $SelectBoxLdapServer->AddEntry(
          array(array("string" => $server),
            array("string" =>
              "<input class='center' type='image' src='images/lists/sort-up.png' name='sort_ldap_up_".$key."'>&nbsp;".
              "<input class='center' type='image' src='images/lists/sort-down.png' name='sort_ldap_down_".$key."'>&nbsp;".
              "<input class='center' type='image' src='images/lists/trash.png' name='gotoLdapRemove_".$key."'>",
              "attach" => "style='text-align:right;width:40px;border-right:0px;'")));
    }

    if($this->gotoLdap_inherit){
      $smarty->assign("gotoLdapServerACL_inherit", preg_replace("/w/","",$this->getacl("gotoLdapServer")));;
    }else{
      $smarty->assign("gotoLdapServerACL_inherit", $this->getacl("gotoLdapServer"));
    }

    $list = array();
    foreach($this->gotoLdapServerList as $key => $entry){
      if(!in_array($entry,$this->gotoLdapServers)){
        $list[$key] = $entry;
      }
    }
    $smarty->assign("gotoLdapServers",    $SelectBoxLdapServer->DrawList());
    $smarty->assign("gotoLdapServerList", $list);
    $smarty->assign("gotoLdap_inherit",   $this->gotoLdap_inherit);
    $smarty->assign("JS",  session::get('js'));

    foreach (array("gotoModules" ) as $val){
      $smarty->assign("$val", $this->$val);
    }

    /* Values */
    foreach(array("gotoBootKernel", "customParameters") as $val){
      $smarty->assign($val, $this->$val);
    }

    /* Show main page */
    return($smarty->fetch (get_template_path('terminalStartup.tpl', TRUE,dirname(__FILE__))));
  }

  function remove_from_parent()
  {
    if($this->acl_is_removeable()){
      $this->handle_post_events("remove");
      new log("remove","terminal/".get_class($this),$this->dn,array_keys($this->attrs));
    }
  }


  /* Save data to object */
  function save_object()
  {
    plugin::save_object();

    if(isset($_POST['TerminalStarttabPosted'])){
      if(isset($_POST['gotoLdap_inherit'])){
        $this->gotoLdap_inherit = TRUE;
      }else{
        $this->gotoLdap_inherit = FALSE;
      }

      /* Save kernel parameters */
      if ($this->acl_is_writeable("gotoKernelParameters") && isset($_POST["customParameters"])){
        $this->customParameters= $_POST["customParameters"];
      }
    }
  }


  /* Save to LDAP */
  function save()
  {
    /* Find proper terminal path for tftp configuration
       FIXME: This is suboptimal when the default has changed to
       another location! */
    if ($this->gotoTerminalPath == "default-inherit"){
      $ldap= $this->config->get_ldap_link();

      /* Strip relevant part from dn, keep trailing ',' */
      $tmp= preg_replace("/^cn=[^,]+,".get_ou('terminalou')."/i", "", $this->dn);
      $tmp= preg_replace("/".$this->config->current['BASE']."$/i", "", $tmp);

      /* Walk from top to base and try to load default values for
         'gotoTerminalPath'. Abort when an entry is found. */
      while (TRUE){
        $tmp= preg_replace ("/^[^,]+,/", "", $tmp);

        $ldap->cat("cn=default,".get_ou('terminalou').$tmp.
            $this->config->current['BASE'], array('gotoTerminalPath'));
        $attrs= $ldap->fetch();
        if (isset($attrs['gotoTerminalPath'])){
          $this->gotoTerminalPath= $attrs['gotoTerminalPath'][0];
          break;
        }

        /* Nothing left? */
        if ($tmp == ""){
          break;
        }
      }
    }
    
    /* Add semi automatic values */
    // FIXME: LDAP Server may not be set here...
    $this->gotoKernelParameters= "root=/dev/nfs nfsroot=".
      $this->gotoTerminalPath.
      ",ro,hard,nolock,fg,rsize=8192 ".
      "ip=::::::dhcp ldap=".base64_encode($this->gotoLdapServer);

    if ($this->customParameters != ""){
      $this->gotoKernelParameters.= " o ".$this->customParameters;
    }

    plugin::save();

    /* Add missing arrays */
    foreach (array("gotoModules") as $val){
      if (isset ($this->$val) && count ($this->$val) != 0){
    
        $this->attrs["$val"]= array_unique($this->$val);
      }
      if(!isset($this->attrs["$val"])){
       $this->attrs["$val"]=array();
      }
    }

    /* Prepare list of ldap servers */
    $this->attrs['gotoLdapServer'] = array();
    if(!$this->gotoLdap_inherit){
      $i = 0;
      foreach($this->gotoLdapServers as $server){
        $i ++;
        $this->attrs['gotoLdapServer'][] = $i.":".$server;
      }
    }

    /* Strip out 'default' values */
    foreach(array("gotoBootKernel") as $value){
      if (!isset($this->attrs[$value]) || $this->attrs[$value] == "default"){
        $this->attrs[$value] = array();
      } 
    }

     /* prepare share settings */
    $tmp = array();
    foreach($this->gotoShares as $name => $settings){
      $tmp2 = split("\|",$name);
      $name = $tmp2[0];
      $tmp[] = $settings['server']."|".$name."|".$settings['mountPoint'];
    }
    $this->attrs['gotoShare']=$tmp;

    /* Write back to ldap */
    $ldap= $this->config->get_ldap_link();
    $ldap->cd($this->dn);
    
    $this->cleanup();
    $ldap->modify ($this->attrs); 

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

    if (!$ldap->success()){
      msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, LDAP_MOD, get_class()));
    }
    $this->handle_post_events("modify");

    /* Check if LDAP server has changed */
    if (isset($this->attrs['gotoLdapServer']) && class_available("DaemonEvent")){
      $events = DaemonEvent::get_event_types(SYSTEM_EVENT | HIDDEN_EVENT);
      $o_queue = new gosaSupportDaemon();
      if(isset($events['TRIGGERED']['DaemonEvent_reload_ldap_config'])){
        $evt = $events['TRIGGERED']['DaemonEvent_reload_ldap_config'];
        $macs = array($this->parent->by_object['termgeneric']->netConfigDNS->macAddress);
  
        /* Trigger event for all member objects 
         */
        foreach($macs as $mac){
          $tmp = new $evt['CLASS_NAME']($this->config);
          $tmp->set_type(TRIGGERED_EVENT);
          $tmp->add_targets(array($mac));
          if(!$o_queue->append($tmp)){
            msg_dialog::display(_("Service infrastructure"),msgPool::siError($o_queue->get_error()),ERROR_DIALOG);
          }
        }
      }
    }
  }

  /* Add value to array, check if unique */
  function add_list (&$array, $value)
  {
    if ($value != ""){
      $array[]= $value;
      sort($array);
      array_unique ($array);
    }
  }


  /* Delete value to array, check if unique */
  function del_list (&$array, $list)
  {
    $tmp= array();
    foreach ($array as $mod){
      if (!in_array($mod, $list)){
        $tmp[]= $mod;
      }
    }
    $array= $tmp;
  }

   /* Generate ListBox frindly output for the defined shares
   * Possibly Add or remove an attribute here,
   */
  function printOutAssignedShares()
  {
    $a_return = array();
    if(is_array($this->gotoShares)){
      foreach($this->gotoShares as $share){
        $a_return[$share['name']."|".$share['server']]= $share['name']." [".$share['server']."]";
      }
    }
    return($a_return);
  }


  function PrepareForCopyPaste($source)
  {
    plugin::PrepareForCopyPaste($source);

    $source_o = new termstartup ($this->config, $source['dn']);

    foreach(array("gotoModules", "gotoKernelParameters","gotoShares","customParameters","gotoTerminalPath","gotoShares","goLdapServerList","gotoBootKernel","gotoLdapServer","gotoBootKernels") as $attr){
      $this->$attr = $source_o->$attr;
    }
  }


  function array_switch_item($ar,$from,$to)
  {
    if(!is_array($ar)){
      return(false);
    }
    if(!isset($ar[$from])){
      return(false);
    }
    if(!isset($ar[$to])){
      return(false);
    }

    $tmp = $ar[$from];
    $ar[$from] = $ar[$to];
    $ar[$to] = $tmp;
    return($ar);
  }


  /* Return plugin informations for acl handling */
  static function plInfo()
  {
    return (array(
          "plShortName"   => _("Startup"),
          "plDescription" => _("Terminal startup"),
          "plSelfModify"  => FALSE,
          "plDepends"     => array(),
          "plPriority"    => 5,
          "plSection"     => array("administration"),
          "plCategory"    => array("terminal"),

          "plProvidedAcls"=> array(
            "gotoLdapServer"      => _("Ldap server"),
            "gotoShare"           => _("Shares"),
            "gotoModules"         => _("Kernel modules"),
            "gotoBootKernel"      => _("Boot kernel"), 
            "gotoKernelParameters"=> _("Kernel parameter"))
          ));
  }


}

// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>