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<?php/* This code is part of FusionDirectory (http://www.fusiondirectory.org/) Copyright (C) 2003-2010 Cajus Pollmeier Copyright (C) 2011-2017 FusionDirectory 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.*//*! * \file class_config.inc * Source code for the class config *//*! * \brief This class is responsible for parsing and querying the * fusiondirectory configuration file. */class config{ /* XML parser */ var $parser; var $config_found = FALSE; var $tags = []; var $level = 0; var $currentLocation = ''; /*! * \brief Store configuration for current location */ var $current = []; /* Link to LDAP-server */ protected $ldapLink = NULL; var $referrals = []; /* * \brief Configuration data * * - $data['SERVERS'] contains server informations. */ var $data = [ 'LOCATIONS' => [], 'SERVERS' => [], 'MAIN' => [], ]; var $basedir = ''; /* Keep a copy of the current department list */ protected $departmentList; protected $departmentTree; protected $departmentInfo; var $filename = ''; var $last_modified = 0; /*! * \brief Class constructor of the config class7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
*
* \param string $filename path to the configuration file
*
* \param string $basedir base directory
*/
function __construct ($filename, $basedir = '')
{
$this->basedir = $basedir;
/* Parse config file directly? */
if ($filename != '') {
$this->parse($filename);
}
}
/*!
* \brief Check and reload the configuration
*
* This function checks if the configuration has changed, since it was
* read the last time and reloads it. It uses the file mtime to check
* weither the file changed or not.
*/
function check_and_reload ($force = FALSE)
{
/* Check if class_location.inc has changed, this is the case
if we have installed or removed plugins. */
$tmp = stat(CACHE_DIR.'/'.CLASS_CACHE);
if (session::is_set('class_location.inc:timestamp')
&& ($tmp['mtime'] != session::get('class_location.inc:timestamp'))) {
session::un_set('plist');
}
session::set('class_location.inc:timestamp', $tmp['mtime']);
if (($this->filename != '') && ((filemtime($this->filename) != $this->last_modified) || $force)) {
$this->config_found = FALSE;
$this->tags = [];
$this->level = 0;
$this->currentLocation = '';
$this->parse($this->filename);
$this->set_current($this->current['NAME']);
}
}
/*!
* \brief Parse the given configuration file
*
* Parses the configuration file and displays errors if there
* is something wrong with it.
*
* \param string $filename The filename of the configuration file.
*/
function parse ($filename)
{
$this->last_modified = filemtime($filename);
$this->filename = $filename;
$fh = fopen($filename, 'r');
$xmldata = fread($fh, 100000);
fclose($fh);
$this->parse_data($xmldata);
}
function parse_data ($xmldata)
{
$this->data = [
'LOCATIONS' => [],
'SERVERS' => [],
'MAIN' => [],
];
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$this->parser = xml_parser_create();
xml_set_object($this->parser, $this);
xml_set_element_handler($this->parser, "tag_open", "tag_close");
if (!xml_parse($this->parser, chop($xmldata))) {
$msg = sprintf(_('XML error in fusiondirectory.conf: %s at line %d'),
xml_error_string(xml_get_error_code($this->parser)),
xml_get_current_line_number($this->parser));
throw new FatalError(htmlescape($msg));
}
xml_parser_free($this->parser);
}
/*!
* \brief Open xml tag when parsing the xml config
*
* \param string $parser
*
* \param string $tag
*
* \param string $attrs
*/
function tag_open ($parser, $tag, $attrs)
{
/* Save last and current tag for reference */
$this->tags[$this->level] = $tag;
$this->level++;
/* Trigger on CONF section */
if ($tag == 'CONF') {
$this->config_found = TRUE;
}
/* Return if we're not in config section */
if (!$this->config_found) {
return;
}
/* yes/no to true/false and upper case TRUE to true and so on*/
foreach ($attrs as $name => $value) {
if (preg_match("/^(true|yes)$/i", $value)) {
$attrs[$name] = "TRUE";
} elseif (preg_match("/^(false|no)$/i", $value)) {
$attrs[$name] = "FALSE";
}
}
/* Look through attributes */
switch ($this->tags[$this->level - 1]) {
/* Handle location */
case 'LOCATION':
if ($this->tags[$this->level - 2] == 'MAIN') {
$attrs['NAME'] = preg_replace('/[<>"\']/', '', $attrs['NAME']);
$this->currentLocation = $attrs['NAME'];
/* Add location elements */
$this->data['LOCATIONS'][$attrs['NAME']] = $attrs;
}
break;
/* Handle referral tags */
case 'REFERRAL':
if ($this->tags[$this->level - 2] == 'LOCATION') {
if (isset($attrs['BASE'])) {
$server = $attrs['URI'];
} elseif (isset($this->data['LOCATIONS'][$this->currentLocation]['BASE'])) {
/* Fallback on location base */
$server = $attrs['URI'];
$attrs['BASE'] = $this->data['LOCATIONS'][$this->currentLocation]['BASE'];
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} else {
/* Format from FD<1.3 */
$server = preg_replace('!^([^:]+://[^/]+)/.*$!', '\\1', $attrs['URI']);
$attrs['BASE'] = preg_replace('!^[^:]+://[^/]+/(.*)$!', '\\1', $attrs['URI']);
$attrs['URI'] = $server;
}
/* Add location elements */
if (!isset($this->data['LOCATIONS'][$this->currentLocation]['REFERRAL'])) {
$this->data['LOCATIONS'][$this->currentLocation]['REFERRAL'] = [];
}
$this->data['LOCATIONS'][$this->currentLocation]['REFERRAL'][$server] = $attrs;
}
break;
/* Load main parameters */
case 'MAIN':
$this->data['MAIN'] = array_merge($this->data['MAIN'], $attrs);
break;
/* Ignore other tags */
default:
break;
}
}
/*!
* \brief Close xml tag when parsing the xml config
*
* \param string $parser
*
* \param string $tag
*/
function tag_close ($parser, $tag)
{
/* Close config section */
if ($tag == 'CONF') {
$this->config_found = FALSE;
}
$this->level--;
}
/*!
* \brief Get the password when needed from the config file
*
* This function can be used to get the password associated to
* a keyword in the config file
*
* \param string $creds the keyword associated to the password needed
*
* \return string the password corresponding to the keyword
*/
function get_credentials ($creds)
{
if (isset($_SERVER['HTTP_FDKEY'])) {
if (!session::is_set('HTTP_FDKEY_CACHE')) {
session::set('HTTP_FDKEY_CACHE', []);
}
$cache = session::get('HTTP_FDKEY_CACHE');
if (!isset($cache[$creds])) {
try {
$cache[$creds] = cred_decrypt($creds, $_SERVER['HTTP_FDKEY']);
session::set('HTTP_FDKEY_CACHE', $cache);
} catch (FusionDirectoryException $e) {
$msg = nl2br(htmlescape(sprintf(
_('It seems you are trying to decode something which is not encoded : %s'."\n".
'Please check you are not using a fusiondirectory.secrets file while your passwords are not encrypted.'),
$e->getMessage()
)));