/usr/share/ltsp-cluster-control/Admin/util/ClassroomFinder.php is in ltsp-cluster-control 2.0.3-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
# Copyright 2006, CRIM, Stephane Bond
#
# This file is part of the MILLE-XTERM distribution.
# See the MILLE-XTERM (english) and/or the MILLE (french) project web site
#
# http://www.revolutionlinux.com/mille-xterm/
# http://www.mille.ca/
#
# The MILLE-XTERM framework is covered by the GNU General Public License. See
# the COPYING file in the top-level MILLE-XTERM directory. Software packages
# that are included in the MILLE-XTERM distribution have their own licenses.
#
# -------------------------------------------------------------------------
*/
require_once 'dbFunctions.php';
/**
*
* Find computers in a classroom
*
* @package MILLE-CONFIGURATOR
*/
class ClassroomFinder {
/**
* classroom attribute value of the node
* @access private
* @var int
*/
var $classroom;
/**
* computers of the classroom
* @access private
* @var int
*/
var $computers;
/**
* nodeid
* @access private
* @var string
*/
var $nodeid;
/**
* Last Error
* @access private
* @var string
*/
var $lastError;
/**
* Last Error
* @access private
* @var string
*/
var $isError;
/**
* The constructor of a ClassroomFinder
*
* Initialised in by :
* <ul>
* <li> IP of the computer
* </ul>
*
* Example of valid initialisation :
*
* <code>
* $finder=new ClassroomFinder("10.1.0.9");
* </code>
*
* @access public
*/
function ClassroomFinder($id) {
$this->notFound = false;
$this->nodeid=$id;
$node=new Node($id);
$this->classroom = $node->getAttribute('CLASSROOM');
if (empty($this->classroom)) {
$this->classroom = $node->name;
}
// Retrieve computers
$from ="nodes N INNER JOIN status S ON S.id = N.id";
$where="N.id_parent=".$this->nodeid;
$result=$this->getFromDB("S.ip, S.mac, S.code, S.username",$where,$from,true,true);
$this->computers=$result;
}
/**
* Get classroom description
*
* @access private
* @return int
*/
function getClassroom() {
return $this->classroom;
}
/**
* Get computers
*
* @access private
* @return int
*/
function getComputers() {
return $this->computers;
}
/**
* Return true if not found
*
* @access public
* @return int
*/
function notFound() {
return $this->notFound;
}
/**
* Get the node ID
*
* @access public
* @return int
*/
function getNodeID() {
return $this->nodeid;
}
/**
* Get the subnet string
*
* @access public
* @return int
*/
function getSubnet() {
return $this->subnet;
}
/**
* Return yes if the object exists
* To be used just after the construction
*
* @access public
* @return float
*/
function isError() {
return $this->isError;
}
/**
* Get the last error
*
* @access public
* @return float
*/
function lastError() {
return $this->lastError;
}
/**
* GetFromDB
*
* @access private
* @return array
*/
function getFromDB($column,$where,$from,$isFatal=true,$multiple = false) {
$query='SELECT '.$column.' FROM '.$from.' WHERE '.$where;
if ($multiple) {
$result = select($query.";");
}
else {
$result = singleResultSelect($query);
}
if (!$result) {
$this->lastError = getMessage('not_found').$query;
$this->notFound = true;
if ($isFatal)
$this->isError = true; return NULL;
}
elseif (!is_array($result)) {
$this->lastError = getMessage('db_error').$result." : ".$query;
if ($isFatal) $this->isError = true; return NULL;
}
return $result;
}
} // class ClassroomFinder
?>
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