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