<?php
-
-# This does the initial setup for a web request. It does some security checks,
-# starts the profiler and loads the configuration, and optionally loads
-# Setup.php depending on whether MW_NO_SETUP is defined.
+/**
+ * This does the initial setup for a web request.
+ * It does some security checks, starts the profiler and loads the
+ * configuration, and optionally loads Setup.php depending on whether
+ * MW_NO_SETUP is defined.
+ *
+ * @file
+ */
# Protect against register_globals
# This must be done before any globals are set by the code
if ( ini_get( 'register_globals' ) ) {
if ( isset( $_REQUEST['GLOBALS'] ) ) {
- die( '<a href="http://www.hardened-php.net/index.76.html">$GLOBALS overwrite vulnerability</a>');
+ die( '<a href="http://www.hardened-php.net/globals-problem">$GLOBALS overwrite vulnerability</a>');
}
+ $verboten = array(
+ 'GLOBALS',
+ '_SERVER',
+ 'HTTP_SERVER_VARS',
+ '_GET',
+ 'HTTP_GET_VARS',
+ '_POST',
+ 'HTTP_POST_VARS',
+ '_COOKIE',
+ 'HTTP_COOKIE_VARS',
+ '_FILES',
+ 'HTTP_POST_FILES',
+ '_ENV',
+ 'HTTP_ENV_VARS',
+ '_REQUEST',
+ '_SESSION',
+ 'HTTP_SESSION_VARS'
+ );
foreach ( $_REQUEST as $name => $value ) {
+ if( in_array( $name, $verboten ) ) {
+ header( "HTTP/1.x 500 Internal Server Error" );
+ echo "register_globals security paranoia: trying to overwrite superglobals, aborting.";
+ die( -1 );
+ }
unset( $GLOBALS[$name] );
}
}
$wgRUstart = array();
}
unset( $IP );
-@ini_set( 'allow_url_fopen', 0 ); # For security
# Valid web server entry point, enable includes.
# Please don't move this line to includes/Defines.php. This line essentially
# its purpose.
define( 'MEDIAWIKI', true );
+# Full path to working directory.
+# Makes it possible to for example to have effective exclude path in apc.
+# Also doesn't break installations using symlinked includes, like
+# dirname( __FILE__ ) would do.
+$IP = getenv( 'MW_INSTALL_PATH' );
+if ( $IP === false ) {
+ $IP = realpath( '.' );
+}
+
+
# Start profiler
-require_once( './StartProfiler.php' );
+if( file_exists("$IP/StartProfiler.php") ) {
+ require_once( "$IP/StartProfiler.php" );
+} else {
+ require_once( "$IP/includes/ProfilerStub.php" );
+}
wfProfileIn( 'WebStart.php-conf' );
# Load up some global defines.
-require_once( './includes/Defines.php' );
+require_once( "$IP/includes/Defines.php" );
+
+# Check for PHP 5
+if ( !function_exists( 'version_compare' )
+ || version_compare( phpversion(), '5.0.0' ) < 0
+) {
+ define( 'MW_PHP4', '1' );
+ require( "$IP/includes/DefaultSettings.php" );
+ require( "$IP/includes/templates/PHP4.php" );
+ exit;
+}
-# LocalSettings.php is the per site customization file. If it does not exit
-# the wiki installer need to be launched or the generated file moved from
-# ./config/ to ./
-if( !file_exists( './LocalSettings.php' ) ) {
- $IP = '.';
- require_once( './includes/DefaultSettings.php' ); # used for printing the version
- require_once( './includes/templates/NoLocalSettings.php' );
- die();
+# Test for PHP bug which breaks PHP 5.0.x on 64-bit...
+# As of 1.8 this breaks lots of common operations instead
+# of just some rare ones like export.
+$borked = str_replace( 'a', 'b', array( -1 => -1 ) );
+if( !isset( $borked[-1] ) ) {
+ echo "PHP 5.0.x is buggy on your 64-bit system; you must upgrade to PHP 5.1.x\n" .
+ "or higher. ABORTING. (http://bugs.php.net/bug.php?id=34879 for details)\n";
+ exit;
}
-# Include this site setttings
-require_once( './LocalSettings.php' );
+# Start the autoloader, so that extensions can derive classes from core files
+require_once( "$IP/includes/AutoLoader.php" );
+
+if ( defined( 'MW_CONFIG_CALLBACK' ) ) {
+ # Use a callback function to configure MediaWiki
+ require_once( "$IP/includes/DefaultSettings.php" );
+
+ $callback = MW_CONFIG_CALLBACK;
+ if ( strpos( $callback, '::' ) !== false ) {
+ $callback = explode( '::', $callback, 2);
+ }
+ call_user_func( $callback );
+} else {
+ # LocalSettings.php is the per site customization file. If it does not exit
+ # the wiki installer need to be launched or the generated file moved from
+ # ./config/ to ./
+ if( !file_exists( "$IP/LocalSettings.php" ) ) {
+ require_once( "$IP/includes/DefaultSettings.php" ); # used for printing the version
+ require_once( "$IP/includes/templates/NoLocalSettings.php" );
+ die();
+ }
+
+ # Include site settings. $IP may be changed (hopefully before the AutoLoader is invoked)
+ require_once( "$IP/LocalSettings.php" );
+}
wfProfileOut( 'WebStart.php-conf' );
+wfProfileIn( 'WebStart.php-ob_start' );
+# Initialise output buffering
+
+# Check that there is no previous output or previously set up buffers, because
+# that would cause us to potentially mix gzip and non-gzip output, creating a
+# big mess.
+# In older versions of PHP ob_get_level() returns 0 if there is no buffering or
+# previous output, in newer versions the default output buffer is always set up
+# and ob_get_level() returns 1. In this case we check that the buffer is empty.
+# FIXME: Check that this is the right way to handle this
+if ( !defined( 'MW_NO_OUTPUT_BUFFER' ) && ( ob_get_level() == 0 || ( ob_get_level() == 1 && ob_get_contents() === '' ) ) ) {
+ require_once( "$IP/includes/OutputHandler.php" );
+ ob_start( 'wfOutputHandler' );
+}
+wfProfileOut( 'WebStart.php-ob_start' );
+
if ( !defined( 'MW_NO_SETUP' ) ) {
- require_once( './includes/Setup.php' );
+ require_once( "$IP/includes/Setup.php" );
}
-?>
dépôts / lhc / web / wiklou.git / blobdiff