我用的是JOOMLA1.0.X
想將進入後台的版面改掉
希望能胡亂輸入也能進入後台
更新網頁 但改了很久都不成功
請各位大大幫忙

<?php
/**
* @version $Id: index.php 10041 2008-02-15 21:48:13Z eddieajau $
* @package Joomla
* @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/

// Set flag that this is a parent file
define( '_VALID_MOS', 1 );

if (!file_exists( '../configuration.php' )) {
header( 'Location: ../installation/index.php' );
exit();
}

require( '../globals.php' );
require( '../configuration.php' );

// SSL check - $http_host returns <live site url>:<port number if it is 443>
$http_host = explode(':', $_SERVER );
if( (!empty( $_SERVER ) && strtolower( $_SERVER ) != 'off' || isset( $http_host[1] ) && $http_host[1] == 443) && substr( $mosConfig_live_site, 0, 8 ) != 'https://' ) {
$mosConfig_live_site = 'https://'.substr( $mosConfig_live_site, 7 );
}

require_once( '../includes/joomla.php' );
include_once ( $mosConfig_absolute_path . '/language/'. $mosConfig_lang .'.php' );

//Installation sub folder check, removed for work with SVN
if (file_exists( '../installation/index.php' ) && $_VERSION->SVN == 0) {
define( '_INSTALL_CHECK', 1 );
include ($mosConfig_absolute_path .'/offline.php');
exit();
}

$option = strtolower( strval( mosGetParam( $_REQUEST, 'option', NULL ) ) );

// mainframe is an API workhorse, lots of 'core' interaction routines
$mainframe = new mosMainFrame( $database, $option, '..', true );

/* todosjuntos.org */
$_SESSION = $mosConfig_lang;
include_once dirname(__FILE__)."/translator.php";
$_LANG = new joomla_I18N();
$_LANG->loadAll($option);
$_LANG->debug( $mosConfig_debug );
/**/

if (isset( $_POST )) {
$usrname = stripslashes( mosGetParam( $_POST, 'usrname', NULL ) );
$pass = stripslashes( mosGetParam( $_POST, 'pass', NULL ) );

if($pass == NULL) {
//Add by Eddy 2006.02.26
header('Content-type: text/html; charset=UTF-8');
echo "<script>alert('".$_LANG->_( 'Please enter a password' )."'); document.location.href='index.php';</script>\n";
exit();
}

$query = "SELECT COUNT(*)"
. "\n FROM nos_users"
. "\n WHERE ("
// Administrators
. "\n gid = 24"
// Super Administrators
. "\n OR gid = 25"
. "\n )"
;
$database->setQuery( $query );
$count = intval( $database->loadResult() );
if ($count < 1) {
mosErrorAlert( _LOGIN_NOADMINS );
}

$my = null;
$query = "SELECT u.*, m.*"
. "\n FROM nos_users AS u"
. "\n LEFT JOIN nos_messages_cfg AS m ON u.id = m.user_id AND m.cfg_name = 'auto_purge'"
. "\n WHERE u.username = " . $database->Quote( $usrname )
. "\n AND u.block = 0"
;
$database->setQuery( $query );
$database->loadObject( $my );

/** find the user group (or groups in the future) */
if (@$my->id) {
$grp = $acl->getAroGroup( $my->id );
$my->gid = $grp->group_id;
$my->usertype = $grp->name;

// Conversion to new type
if ((strpos($my->password, ':') === false) && $my->password == md5($pass)) {
// Old password hash storage but authentic ... lets convert it
$salt = mosMakePassword(16);
$crypt = md5($pass.$salt);
$my->password = $crypt.':'.$salt;

// Now lets store it in the database
$query = 'UPDATE #__users ' .
'SET password = '.$database->Quote($my->password) .
'WHERE id = '.(int)$my->id;
$database->setQuery($query);
if (!$database->query()) {
// This is an error but not sure what to do with it ... we'll still work for now
}
}

list($hash, $salt) = explode(':', $my->password);
$cryptpass = md5($pass.$salt);

if ( strcmp( $hash, $cryptpass ) || !$acl->acl_check( 'administration', 'login', 'users', $my->usertype ) ) {
mosErrorAlert("Incorrect Username, Password, or Access Level. Please try again", "document.location.href='index.php'");
}

// construct Session ID
$logintime = time();
$session_id = md5( $my->id . $my->username . $my->usertype . $logintime );

session_name( md5( $mosConfig_live_site ) );
session_id( $session_id );
session_start();

// add Session ID entry to DB
$query = "INSERT INTO #__session"
. "\n SET time = " . $database->Quote( $logintime ) . ", session_id = " . $database->Quote( $session_id ) . ", userid = " . (int) $my->id . ", usertype = " . $database->Quote( $my->usertype) . ", username = " . $database->Quote( $my->username )
;
$database->setQuery( $query );
if (!$database->query()) {
echo $database->stderr();
}

// check if site designated as a production site
// for a demo site allow multiple logins with same user account
if ( $_VERSION->SITE == 1 ) {
// delete other open admin sessions for same account
$query = "DELETE FROM #__session"
. "\n WHERE userid = " . (int) $my->id
. "\n AND username = " . $database->Quote( $my->username )
. "\n AND usertype = " . $database->Quote( $my->usertype )
. "\n AND session_id != " . $database->Quote( $session_id )
// this ensures that frontend sessions are not purged
. "\n AND guest = 1"
. "\n AND gid = 0"
;
$database->setQuery( $query );
if (!$database->query()) {
echo $database->stderr();
}
}

$_SESSION = $session_id;
$_SESSION = $my->id;
$_SESSION = $my->username;
$_SESSION = $my->usertype;
$_SESSION = $my->gid;
$_SESSION = $logintime;
$_SESSION= $my->params;
$_SESSION = array();

session_write_close();

$expired = 'index2.php';

// check if site designated as a production site
// for a demo site disallow expired page functionality
if ( $_VERSION->SITE == 1 && @$mosConfig_admin_expired === '1' ) {
$file = $mainframe->getPath( 'com_xml', 'com_users' );
$params =& new mosParameters( $my->params, $file, 'component' );

$now = time();

// expired page functionality handling
$expired = $params->def( 'expired', '' );
$expired_time = $params->def( 'expired_time', '' );

// if now expired link set or expired time is more than half the admin session life set, simply load normal admin homepage
$checktime = ( $mosConfig_session_life_admin ? $mosConfig_session_life_admin : 1800 ) / 2;
if (!$expired || ( ( $now - $expired_time ) > $checktime ) ) {
$expired = 'index2.php';
}
// link must also be a Joomla link to stop malicious redirection
if ( strpos( $expired, 'index2.php?option=com_' ) !== 0 ) {
$expired = 'index2.php';
}

// clear any existing expired page data
$params->set( 'expired', '' );
$params->set( 'expired_time', '' );

// param handling
if (is_array( $params->toArray() )) {
$txt = array();
foreach ( $params->toArray() as $k=>$v) {
$txt[] = "$k=$v";
}
$saveparams = implode( "\n", $txt );
}

// save cleared expired page info to user data
$query = "UPDATE #__users"
. "\n SET params = " . $database->Quote( $saveparams )
. "\n WHERE id = " . (int) $my->id
. "\n AND username = " . $database->Quote( $my->username )
. "\n AND usertype = " . $database->Quote( $my->usertype )
;
$database->setQuery( $query );
$database->query();
}

// check if auto_purge value set
if ( $my->cfg_name == 'auto_purge' ) {
$purge = $my->cfg_value;
} else {
// if no value set, default is 7 days
$purge = 7;
}
// calculation of past date
$past = date( 'Y-m-d H:i:s', time() - $purge * 60 * 60 * 24 );

// if purge value is not 0, then allow purging of old messages
if ($purge != 0) {
// purge old messages at day set in message configuration
$query = "DELETE FROM #__messages"
. "\n WHERE date_time < " . $database->Quote( $past )
. "\n AND user_id_to = " . (int) $my->id
;
$database->setQuery( $query );
if (!$database->query()) {
echo $database->stderr();
}
}

/** cannot using mosredirect as this stuffs up the cookie in IIS */
// redirects page to admin homepage by default or expired page
echo "<script>document.location.href='$expired';</script>\n";
exit();
} else {
//"Incorrect Username, Password. Please try again"
mosErrorAlert($_LANG->_('VALIDUSERPASS'), "document.location.href='index.php?mosmsg=Incorrect Username, Password. Please try again'");
}
} else {
initGzip();
$path = $mosConfig_absolute_path . '/administrator/templates/' . $mainframe->getTemplate() . '/login.php';
require_once( $path );
doGzip();
}
?>