includes/WebStart.php

   1 <?php
   2
   3 # This does the initial setup for a web request. It does some security checks,
   4 # starts the profiler and loads the configuration, and optionally loads
   5 # Setup.php depending on whether MW_NO_SETUP is defined.
   6
   7 # Protect against register_globals
   8 # This must be done before any globals are set by the code
   9 if ( ini_get( 'register_globals' ) ) {
  10         if ( isset( $_REQUEST['GLOBALS'] ) ) {
  11                 die( '<a href="http://www.hardened-php.net/index.76.html">$GLOBALS overwrite vulnerability</a>');
  12         }
  13         $verboten = array(
  14                 'GLOBALS',
  15                 '_SERVER',
  16                 'HTTP_SERVER_VARS',
  17                 '_GET',
  18                 'HTTP_GET_VARS',
  19                 '_POST',
  20                 'HTTP_POST_VARS',
  21                 '_COOKIE',
  22                 'HTTP_COOKIE_VARS',
  23                 '_FILES',
  24                 'HTTP_POST_FILES',
  25                 '_ENV',
  26                 'HTTP_ENV_VARS',
  27                 '_REQUEST',
  28                 '_SESSION',
  29                 'HTTP_SESSION_VARS'
  30         );
  31         foreach ( $_REQUEST as $name => $value ) {
  32                 if( in_array( $name, $verboten ) ) {
  33                         header( "HTTP/1.x 500 Internal Server Error" );
  34                         echo "register_globals security paranoia: trying to overwrite superglobals, aborting.";
  35                         die( -1 );
  36                 }
  37                 unset( $GLOBALS[$name] );
  38         }
  39 }
  40
  41 $wgRequestTime = microtime(true);
  42 # getrusage() does not exist on the Microsoft Windows platforms, catching this
  43 if ( function_exists ( 'getrusage' ) ) {
  44         $wgRUstart = getrusage();
  45 } else {
  46         $wgRUstart = array();
  47 }
  48 unset( $IP );
  49 @ini_set( 'allow_url_fopen', 0 ); # For security
  50
  51 # Valid web server entry point, enable includes.
  52 # Please don't move this line to includes/Defines.php. This line essentially
  53 # defines a valid entry point. If you put it in includes/Defines.php, then
  54 # any script that includes it becomes an entry point, thereby defeating
  55 # its purpose.
  56 define( 'MEDIAWIKI', true );
  57
  58 # Start profiler
  59 require_once( './StartProfiler.php' );
  60 wfProfileIn( 'WebStart.php-conf' );
  61
  62 # Load up some global defines.
  63 require_once( './includes/Defines.php' );
  64
  65 # LocalSettings.php is the per site customization file. If it does not exit
  66 # the wiki installer need to be launched or the generated file moved from
  67 # ./config/ to ./
  68 if( !file_exists( './LocalSettings.php' ) ) {
  69         $IP = '.';
  70         require_once( './includes/DefaultSettings.php' ); # used for printing the version
  71         require_once( './includes/templates/NoLocalSettings.php' );
  72         die();
  73 }
  74
  75 # Include this site setttings
  76 require_once( './LocalSettings.php' );
  77 wfProfileOut( 'WebStart.php-conf' );
  78
  79 if ( !defined( 'MW_NO_SETUP' ) ) {
  80         require_once( './includes/Setup.php' );
  81 }
  82 ?>