Viewing file:  session.inc.php (2.88 KB) -rw-rw-rw-
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<?php
/* $Id: session.inc.php,v 2.5 2005/11/10 19:57:43 lem9 Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* session handling
*
* @TODO add failover or warn if sessions are not configured properly
* @TODO add an option to use mm-module for session handler
* @see http://www.php.net/session
* @uses session_name()
* @uses session_start()
* @uses ini_set()
* @uses version_compare()
* @uses PHP_VERSION
*/
// verify if PHP supports session, die if it does not
if (!@function_exists('session_name')) {
$cfg = array('DefaultLang' => 'en-iso-8859-1',
'AllowAnywhereRecoding' => FALSE);
// Loads the language file
require_once('./libraries/select_lang.lib.php');
// Displays the error message
// (do not use & for parameters sent by header)
header( 'Location: error.php'
. '?lang=' . urlencode( $available_languages[$lang][2] )
. '&char=' . urlencode( $charset )
. '&dir=' . urlencode( $text_dir )
. '&type=' . urlencode( $strError )
. '&error=' . urlencode(
sprintf($strCantLoad, 'session'))
);
exit();
}
// disable starting of sessions before all settings are done
ini_set( 'session.auto_start', false );
// cookies are safer
ini_set( 'session.use_cookies', true );
// but not all user allow cookies
ini_set( 'session.use_only_cookies', false );
ini_set( 'session.use_trans_sid', true );
ini_set( 'url_rewriter.tags',
'a=href,frame=src,input=src,form=fakeentry,fieldset=' );
ini_set( 'arg_separator.output' , '&' );
// delete session/cookies when browser is closed
ini_set( 'session.cookie_lifetime', 0 );
// warn but dont work with bug
ini_set( 'session.bug_compat_42', false );
ini_set( 'session.bug_compat_warn', true );
// use more secure session ids (with PHP 5)
if ( version_compare( PHP_VERSION, '5.0.0', 'ge' )
&& substr( PHP_OS, 0 ,3 ) != 'WIN' ) {
ini_set( 'session.hash_function', 1 );
ini_set( 'session.hash_bits_per_character', 6 );
}
// start the session
// on some servers (for example, sourceforge.net), we get a permission error
// on the session data directory, so I add some "@"
@session_name( 'phpMyAdmin' );
@session_start();
/**
* trys to secure session from hijacking and fixation
* should be called before login and after successfull login
* (only required if sensitive information stored in session)
*
* @uses session_regenerate_id() to secure session from fixation
* @uses session_id() to set new session id
* @uses strip_tags() to prevent XSS attacks in SID
* @uses function_exists() for session_regenerate_id()
*/
function PMA_secureSession() {
// prevent session fixation and XSS
if ( function_exists( 'session_regenerate_id' ) ) {
session_regenerate_id( true );
} else {
session_id( strip_tags( session_id() ) );
}
}
?>
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