config/index.php

   1 <?php
   2
   3 # MediaWiki web-based config/installation
   4 # Copyright (C) 2004 Brion Vibber <brion@pobox.com>, 2006 Rob Church <robchur@gmail.com>
   5 # http://www.mediawiki.org/
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with this program; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20 # http://www.gnu.org/copyleft/gpl.html
  21
  22 error_reporting( E_ALL );
  23 header( "Content-type: text/html; charset=utf-8" );
  24 @ini_set( "display_errors", true );
  25
  26 # In case of errors, let output be clean.
  27 $wgRequestTime = microtime( true );
  28
  29 # Attempt to set up the include path, to fix problems with relative includes
  30 $IP = dirname( dirname( __FILE__ ) );
  31 define( 'MW_INSTALL_PATH', $IP );
  32
  33 # Define an entry point and include some files
  34 define( "MEDIAWIKI", true );
  35 define( "MEDIAWIKI_INSTALL", true );
  36
  37 // Run version checks before including other files
  38 // so people don't see a scary parse error.
  39 require_once( "$IP/install-utils.inc" );
  40 install_version_checks();
  41
  42 require_once( "$IP/includes/Defines.php" );
  43 require_once( "$IP/includes/DefaultSettings.php" );
  44 require_once( "$IP/includes/AutoLoader.php" );
  45 require_once( "$IP/includes/MagicWord.php" );
  46 require_once( "$IP/includes/Namespace.php" );
  47 require_once( "$IP/includes/ProfilerStub.php" );
  48 require_once( "$IP/includes/GlobalFunctions.php" );
  49 require_once( "$IP/includes/Hooks.php" );
  50 require_once( "$IP/includes/Exception.php" );
  51
  52 # If we get an exception, the user needs to know
  53 # all the details
  54 $wgShowExceptionDetails = true;
  55 $wgShowSQLErrors = true;
  56 wfInstallExceptionHandler();
  57 ## Databases we support:
  58
  59 $ourdb = array();
  60 $ourdb['mysql']['fullname']      = 'MySQL';
  61 $ourdb['mysql']['havedriver']    = 0;
  62 $ourdb['mysql']['compile']       = 'mysql';
  63 $ourdb['mysql']['bgcolor']       = '#ffe5a7';
  64 $ourdb['mysql']['rootuser']      = 'root';
  65
  66 $ourdb['postgres']['fullname']   = 'PostgreSQL';
  67 $ourdb['postgres']['havedriver'] = 0;
  68 $ourdb['postgres']['compile']    = 'pgsql';
  69 $ourdb['postgres']['bgcolor']    = '#aaccff';
  70 $ourdb['postgres']['rootuser']   = 'postgres';
  71
  72 $ourdb['sqlite']['fullname']      = 'SQLite';
  73 $ourdb['sqlite']['havedriver']    = 0;
  74 $ourdb['sqlite']['compile']       = 'pdo_sqlite';
  75 $ourdb['sqlite']['bgcolor']       = '#b1ebb1';
  76 $ourdb['sqlite']['rootuser']      = '';
  77
  78 $ourdb['mssql']['fullname']      = 'MSSQL';
  79 $ourdb['mssql']['havedriver']    = 0;
  80 $ourdb['mssql']['compile']       = 'mssql not ready'; # Change to 'mssql' after includes/DatabaseMssql.php added;
  81 $ourdb['mssql']['bgcolor']       = '#ffc0cb';
  82 $ourdb['mssql']['rootuser']      = 'administrator';
  83
  84 $ourdb['ibm_db2']['fullname']   = 'DB2';
  85 $ourdb['ibm_db2']['havedriver'] = 0;
  86 $ourdb['ibm_db2']['compile']    = 'ibm_db2';
  87 $ourdb['ibm_db2']['bgcolor']    = '#ffeba1';
  88 $ourdb['ibm_db2']['rootuser']   = 'db2admin';
  89
  90 $ourdb['oracle']['fullname']   = 'Oracle';
  91 $ourdb['oracle']['havedriver'] = 0;
  92 $ourdb['oracle']['compile']    = 'oci8';
  93 $ourdb['oracle']['bgcolor']    = '#ffeba1';
  94 $ourdb['oracle']['rootuser']   = '';
  95
  96 ?>
  97 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  98 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
  99 <head>
 100         <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
 101         <meta name="robots" content="noindex,nofollow"/>
 102         <title>MediaWiki <?php echo htmlspecialchars( $wgVersion ); ?> Installation</title>
 103         <style type="text/css">
 104
 105                 @import "../skins/monobook/main.css";
 106
 107                 .env-check {
 108                         font-size: 90%;
 109                         margin: 1em 0 1em 2.5em;
 110                 }
 111
 112                 .config-section {
 113                         margin-top: 2em;
 114                 }
 115
 116                 .config-section label.column {
 117                         clear: left;
 118                         font-weight: bold;
 119                         width: 13em;
 120                         float: left;
 121                         text-align: right;
 122                         padding-right: 1em;
 123                         padding-top: .2em;
 124                 }
 125
 126                 .config-input {
 127                         clear: left;
 128                         zoom: 100%; /* IE hack */
 129                 }
 130
 131                 .config-section .config-desc {
 132                         clear: left;
 133                         margin: 0 0 2em 18em;
 134                         padding-top: 1em;
 135                         font-size: 85%;
 136                 }
 137
 138                 .iput-text, .iput-password {
 139                         width: 14em;
 140                         margin-right: 1em;
 141                 }
 142
 143                 .error {
 144                         color: red;
 145                         background-color: #fff;
 146                         font-weight: bold;
 147                         left: 1em;
 148                         font-size: 100%;
 149                 }
 150
 151                 .error-top {
 152                         color: red;
 153                         background-color: #FFF0F0;
 154                         border: 2px solid red;
 155                         font-size: 130%;
 156                         font-weight: bold;
 157                         padding: 1em 1.5em;
 158                         margin: 2em 0 1em;
 159                 }
 160
 161                 ul.plain {
 162                         list-style-type: none;
 163                         list-style-image: none;
 164                         float: left;
 165                         margin: 0;
 166                         padding: 0;
 167                 }
 168
 169                 .btn-install {
 170                         font-weight: bold;
 171                         font-size: 110%;
 172                         padding: .2em .3em;
 173                 }
 174
 175                 .license {
 176                         font-size: 85%;
 177                         padding-top: 3em;
 178                 }
 179
 180                 span.success-message {
 181                         font-weight: bold;
 182                         font-size: 110%;
 183                         color: green;
 184                 }
 185                 .success-box {
 186                         font-size: 130%;
 187                 }
 188
 189         </style>
 190         <script type="text/javascript">
 191         <!--
 192         function hideall() {
 193                 <?php foreach (array_keys($ourdb) as $db) {
 194                 echo "\n                var i = document.getElementById('$db'); if (i) i.style.display='none';";
 195                 }
 196                 ?>
 197
 198         }
 199         function toggleDBarea(id,defaultroot) {
 200                 hideall();
 201                 var dbarea = document.getElementById(id);
 202                 if (dbarea) dbarea.style.display = (dbarea.style.display == 'none') ? 'block' : 'none';
 203                 var db = document.getElementById('RootUser');
 204                 if (defaultroot) {
 205 <?php foreach (array_keys($ourdb) as $db) {
 206                         echo "                  if (id == '$db') { db.value = '".$ourdb[$db]['rootuser']."';}\n";
 207 }?>
 208                 }
 209         }
 210         // -->
 211         </script>
 212 </head>
 213
 214 <body>
 215 <div id="globalWrapper">
 216 <div id="column-content">
 217 <div id="content">
 218 <div id="bodyContent">
 219
 220 <h1>MediaWiki <?php print htmlspecialchars( $wgVersion ) ?> Installation</h1>
 221
 222 <?php
 223 $mainListOpened = false; # Is the main list (environement checking) opend ? Used by dieout
 224
 225 /* Check for existing configurations and bug out! */
 226
 227 if( file_exists( "../LocalSettings.php" ) ) {
 228         $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 229         dieout( "<p><strong>Setup has completed, <a href='../$script'>your wiki</a> is configured.</strong></p>
 230         <p>Please delete the /config directory for extra security.</p>" );
 231 }
 232
 233 if( file_exists( "./LocalSettings.php" ) ) {
 234         writeSuccessMessage();
 235         dieout( '' );
 236 }
 237
 238 if( !is_writable( "." ) ) {
 239         dieout( "<h2>Can't write config file, aborting</h2>
 240
 241         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 242         writable by the web server. Once configuration is done you'll move the created
 243         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 244         then remove the <tt>config</tt> subdirectory entirely.</p>
 245
 246         <p>To make the directory writable on a Unix/Linux system:</p>
 247
 248         <pre>
 249         cd <i>/path/to/wiki</i>
 250         chmod a+w config
 251         </pre>
 252
 253         <p>Afterwards retry to start the <a href=\"\">setup</a>.</p>" );
 254 }
 255
 256
 257 require_once( "$IP/install-utils.inc" );
 258 require_once( "$IP/maintenance/updaters.inc" );
 259
 260 class ConfigData {
 261         function getEncoded( $data ) {
 262                 # removing latin1 support, no need...
 263                 return $data;
 264         }
 265         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 266         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 267         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 268
 269         function setSchema( $schema, $engine ) {
 270                 $this->DBschema = $schema;
 271                 if ( !preg_match( '/^\w*$/', $engine ) ){
 272                         $engine = 'InnoDB';
 273                 }
 274                 switch ( $this->DBschema ) {
 275                         case 'mysql5':
 276                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=utf8";
 277                                 $this->DBmysql5 = 'true';
 278                                 break;
 279                         case 'mysql5-binary':
 280                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=binary";
 281                                 $this->DBmysql5 = 'true';
 282                                 break;
 283                         default:
 284                                 $this->DBTableOptions = "TYPE=$engine";
 285                                 $this->DBmysql5 = 'false';
 286                 }
 287                 $this->DBengine = $engine;
 288
 289                 # Set the global for use during install
 290                 global $wgDBTableOptions;
 291                 $wgDBTableOptions = $this->DBTableOptions;
 292         }
 293 }
 294
 295 ?>
 296
 297 <ul>
 298         <li>
 299                 <b>Don't forget security updates!</b> Keep an eye on the
 300                 <a href="http://lists.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 301                 release announcements mailing list</a>.
 302         </li>
 303 </ul>
 304
 305
 306 <h2>Checking environment...</h2>
 307 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 308 <ul class="env-check">
 309 <?php
 310 $mainListOpened = true;
 311
 312 $endl = "
 313 ";
 314 define( 'MW_NO_OUTPUT_BUFFER', 1 );
 315 $conf = new ConfigData;
 316
 317 install_version_checks();
 318 $self = 'Installer'; # Maintenance script name, to please Setup.php
 319
 320 print "<li>PHP " . htmlspecialchars( phpversion() ) . " installed</li>\n";
 321
 322 error_reporting( 0 );
 323 $phpdatabases = array();
 324 foreach (array_keys($ourdb) as $db) {
 325         $compname = $ourdb[$db]['compile'];
 326         if( extension_loaded( $compname ) || ( mw_have_dl() && dl( "{$compname}." . PHP_SHLIB_SUFFIX ) ) ) {
 327                 array_push($phpdatabases, $db);
 328                 $ourdb[$db]['havedriver'] = 1;
 329         }
 330 }
 331 error_reporting( E_ALL );
 332
 333 if (!$phpdatabases) {
 334         print "Could not find a suitable database driver!<ul>";
 335         foreach (array_keys($ourdb) AS $db) {
 336                 $comp = $ourdb[$db]['compile'];
 337                 $full = $ourdb[$db]['fullname'];
 338                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 339                         ."or install the $comp.so module</li>\n";
 340         }
 341         echo '</ul>';
 342         dieout( '' );
 343 }
 344
 345 print "<li>Found database drivers for:";
 346 $DefaultDBtype = '';
 347 foreach (array_keys($ourdb) AS $db) {
 348         if ($ourdb[$db]['havedriver']) {
 349                 if ( $DefaultDBtype == '' ) {
 350                         $DefaultDBtype = $db;
 351                 }
 352                 print "  ".$ourdb[$db]['fullname'];
 353         }
 354 }
 355 print "</li>\n";
 356
 357 if( wfIniGetBool( "register_globals" ) ) {
 358         ?>
 359         <li>
 360                 <div style="font-size:110%">
 361                 <strong class="error">Warning:</strong>
 362                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 363                 </div>
 364                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 365         </li>
 366         <?php
 367 }
 368
 369 $fatal = false;
 370
 371 if( wfIniGetBool( "magic_quotes_runtime" ) ) {
 372         $fatal = true;
 373         ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.info.php#ini.magic-quotes-runtime'>magic_quotes_runtime</a> is active!</strong>
 374         This option corrupts data input unpredictably; you cannot install or use
 375         MediaWiki unless this option is disabled.</li>
 376         <?php
 377 }
 378
 379 if( wfIniGetBool( "magic_quotes_sybase" ) ) {
 380         $fatal = true;
 381         ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.sybase.php#ini.magic-quotes-sybase'>magic_quotes_sybase</a> is active!</strong>
 382         This option corrupts data input unpredictably; you cannot install or use
 383         MediaWiki unless this option is disabled.</li>
 384         <?php
 385 }
 386
 387 if( wfIniGetBool( "mbstring.func_overload" ) ) {
 388         $fatal = true;
 389         ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.mbstring.php#mbstring.overload'>mbstring.func_overload</a> is active!</strong>
 390         This option causes errors and may corrupt data unpredictably;
 391         you cannot install or use MediaWiki unless this option is disabled.</li>
 392         <?php
 393 }
 394
 395 if( wfIniGetBool( "zend.ze1_compatibility_mode" ) ) {
 396         $fatal = true;
 397         ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
 398         This option causes horrible bugs with MediaWiki; you cannot install or use
 399         MediaWiki unless this option is disabled.</li>
 400         <?php
 401 }
 402
 403
 404 if( $fatal ) {
 405         dieout( "Cannot install MediaWiki." );
 406 }
 407
 408 if( wfIniGetBool( "safe_mode" ) ) {
 409         $conf->safeMode = true;
 410         ?>
 411         <li><b class='error'>Warning:</b> <strong>PHP's
 412         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 413         You may have problems caused by this, particularly if using image uploads.
 414         </li>
 415         <?php
 416 } else {
 417         $conf->safeMode = false;
 418 }
 419
 420 $sapi = htmlspecialchars( php_sapi_name() );
 421 print "<li>PHP server API is $sapi; ";
 422 $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 423 if( $wgUsePathInfo ) {
 424  print "ok, using pretty URLs (<tt>$script/Page_Title</tt>)";
 425 } else {
 426         print "using ugly URLs (<tt>$script?title=Page_Title</tt>)";
 427 }
 428 print "</li>\n";
 429
 430 $conf->xml = function_exists( "utf8_encode" );
 431 if( $conf->xml ) {
 432         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 433 } else {
 434         dieout( "PHP's XML module is missing; the wiki requires functions in
 435                 this module and won't work in this configuration.
 436                 If you're running Mandrake, install the php-xml package." );
 437 }
 438
 439 # Check for session support
 440 if( !function_exists( 'session_name' ) )
 441         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 442
 443 # session.save_path doesn't *have* to be set, but if it is, and it's
 444 # not valid/writable/etc. then it can cause problems
 445 $sessionSavePath = mw_get_session_save_path();
 446 $ssp = htmlspecialchars( $sessionSavePath );
 447 # Warn the user if it's not set, but let them proceed
 448 if( !$sessionSavePath ) {
 449         print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
 450         has not been set in PHP.ini. If the default value causes problems with
 451         saving session data, set it to a valid path which is read/write/execute
 452         for the user your web server is running under.</li>";
 453 } elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
 454         # All good? Let the user know
 455         print "<li>Session save path (<tt>{$ssp}</tt>) appears to be valid.</li>";
 456 } else {
 457         # Something not right? Warn the user, but let them proceed
 458         print "<li><strong>Warning:</strong> Your <tt>session.save_path</tt> value (<tt>{$ssp}</tt>)
 459                 appears to be invalid or is not writable. PHP needs to be able to save data to
 460                 this location for correct session operation.</li>";
 461 }
 462
 463 # Check for PCRE support
 464 if( !function_exists( 'preg_match' ) )
 465         dieout( "The PCRE support module appears to be missing. MediaWiki requires the
 466         Perl-compatible regular expression functions." );
 467
 468 $memlimit = ini_get( "memory_limit" );
 469 $conf->raiseMemory = false;
 470 if( empty( $memlimit ) || $memlimit == -1 ) {
 471         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 472 } else {
 473         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". ";
 474         $n = intval( $memlimit );
 475         if( preg_match( '/^([0-9]+)[Mm]$/', trim( $memlimit ), $m ) ) {
 476                 $n = intval( $m[1] * (1024*1024) );
 477         }
 478         if( $n < 20*1024*1024 ) {
 479                 print "Attempting to raise limit to 20M... ";
 480                 if( false === ini_set( "memory_limit", "20M" ) ) {
 481                         print "failed.<br /><b>" . htmlspecialchars( $memlimit ) . " seems too low, installation may fail!</b>";
 482                 } else {
 483                         $conf->raiseMemory = true;
 484                         print "ok.";
 485                 }
 486         }
 487         print "</li>\n";
 488 }
 489
 490 $conf->turck = function_exists( 'mmcache_get' );
 491 if ( $conf->turck ) {
 492         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 493 }
 494
 495 $conf->xcache = function_exists( 'xcache_get' );
 496 if( $conf->xcache )
 497         print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>\n";
 498
 499 $conf->apc = function_exists('apc_fetch');
 500 if ($conf->apc ) {
 501         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>\n";
 502 }
 503
 504 $conf->eaccel = function_exists( 'eaccelerator_get' );
 505 if ( $conf->eaccel ) {
 506         $conf->turck = 'eaccelerator';
 507         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 508 }
 509
 510 $conf->dba = function_exists( 'dba_open' );
 511
 512 if( !( $conf->turck || $conf->eaccel || $conf->apc || $conf->xcache ) ) {
 513         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 514                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>,
 515                 <a href="http://www.php.net/apc">APC</a> or <a href="http://trac.lighttpd.net/xcache/">XCache</a>;
 516                 cannot use these for object caching.</li>' );
 517 }
 518
 519 $conf->diff3 = false;
 520 $diff3locations = array_merge(
 521         array(
 522                 "/usr/bin",
 523                 "/usr/local/bin",
 524                 "/opt/csw/bin",
 525                 "/usr/gnu/bin",
 526                 "/usr/sfw/bin" ),
 527         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 528 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 529
 530 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 531 foreach ($diff3locations as $loc) {
 532         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 533         if ($exe !== false) {
 534                 $conf->diff3 = $exe;
 535                 break;
 536         }
 537 }
 538
 539 if ($conf->diff3)
 540         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 541 else
 542         print "<li>GNU diff3 not found.</li>";
 543
 544 $conf->ImageMagick = false;
 545 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 546 foreach( $imcheck as $dir ) {
 547         $im = "$dir/convert";
 548         if( @file_exists( $im ) ) {
 549                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 550                 $conf->ImageMagick = $im;
 551                 break;
 552         }
 553 }
 554
 555 $conf->HaveGD = function_exists( "imagejpeg" );
 556 if( $conf->HaveGD ) {
 557         print "<li>Found GD graphics library built-in";
 558         if( !$conf->ImageMagick ) {
 559                 print ", image thumbnailing will be enabled if you enable uploads";
 560         }
 561         print ".</li>\n";
 562 } else {
 563         if( !$conf->ImageMagick ) {
 564                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 565         }
 566 }
 567
 568 $conf->IP = dirname( dirname( __FILE__ ) );
 569 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 570
 571
 572 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 573 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 574 // to get the path to the current script... hopefully it's reliable. SIGH
 575 $path = ($_SERVER["PHP_SELF"] === '')
 576         ? $_SERVER["SCRIPT_NAME"]
 577         : $_SERVER["PHP_SELF"];
 578
 579 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 580 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 581
 582
 583
 584 // We may be installing from *.php5 extension file, if so, print message
 585 $conf->ScriptExtension = '.php';
 586 if (defined('MW_INSTALL_PHP5_EXT')) {
 587     $conf->ScriptExtension = '.php5';
 588     print "<li>Installing MediaWiki with <tt>php5</tt> file extensions</li>\n";
 589 } else {
 590     print "<li>Installing MediaWiki with <tt>php</tt> file extensions</li>\n";
 591 }
 592
 593
 594 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 595         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 596
 597         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 598         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 599                 ? 'root@localhost'
 600                 : $_SERVER["SERVER_ADMIN"];
 601         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 602         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 603         if ( !isset( $ourdb[$conf->DBtype] ) ) {
 604                 $conf->DBtype = $DefaultDBtype;
 605         }
 606
 607         $conf->DBserver = importPost( "DBserver", "localhost" );
 608         $conf->DBname = importPost( "DBname", "wikidb" );
 609         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 610         $conf->DBpassword = importPost( "DBpassword" );
 611         $conf->DBpassword2 = importPost( "DBpassword2" );
 612         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 613         $conf->SysopPass = importPost( "SysopPass" );
 614         $conf->SysopPass2 = importPost( "SysopPass2" );
 615         $conf->RootUser = importPost( "RootUser", "root" );
 616         $conf->RootPW = importPost( "RootPW", "" );
 617         $useRoot = importCheck( 'useroot', false );
 618         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 619         ## MySQL specific:
 620         $conf->DBprefix     = importPost( "DBprefix" );
 621         $conf->setSchema(
 622                 importPost( "DBschema", "mysql5-binary" ),
 623                 importPost( "DBengine", "InnoDB" ) );
 624
 625         ## Postgres specific:
 626         $conf->DBport      = importPost( "DBport",      "5432" );
 627         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 628         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 629
 630         ## SQLite specific
 631         $conf->SQLiteDataDir = importPost( "SQLiteDataDir", "" );
 632
 633         ## MSSQL specific
 634         // We need a second field so it doesn't overwrite the MySQL one
 635         $conf->DBprefix2 = importPost( "DBprefix2" );
 636
 637         ## DB2 specific:
 638         // New variable in order to have a different default port number
 639         $conf->DBport_db2   = importPost( "DBport_db2",      "50000" );
 640         $conf->DBmwschema   = importPost( "DBmwschema",  "mediawiki" );
 641         $conf->DBcataloged  = importPost( "DBcataloged",  "cataloged" );
 642
 643         // Oracle specific
 644         $conf->DBprefix_ora     = importPost( "DBprefix_ora" );
 645         $conf->DBdefTS_ora     = importPost( "DBdefTS_ora", "USERS" );
 646         $conf->DBtempTS_ora     = importPost( "DBtempTS_ora", "TEMP" );
 647
 648         $conf->ShellLocale = getShellLocale( $conf->LanguageCode );
 649
 650 /* Check for validity */
 651 $errs = array();
 652
 653 if( preg_match( '/^$|^mediawiki$|#/i', $conf->Sitename ) ) {
 654         $errs["Sitename"] = "Must not be blank or \"MediaWiki\" and may not contain \"#\"";
 655 }
 656 if( $conf->DBuser == "" ) {
 657         $errs["DBuser"] = "Must not be blank";
 658 }
 659 if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 660         $errs["DBuser"] = "Username too long";
 661 }
 662 if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 663         $errs["DBpassword"] = "Must not be blank";
 664 }
 665 if( $conf->DBpassword != $conf->DBpassword2 ) {
 666         $errs["DBpassword2"] = "Passwords don't match!";
 667 }
 668 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 669         $errs["DBprefix"] = "Invalid table prefix";
 670 } else {
 671         untaint( $conf->DBprefix, TC_MYSQL );
 672 }
 673 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix_ora ) ) {
 674         $errs["DBprefix_ora"] = "Invalid table prefix";
 675 }
 676
 677 error_reporting( E_ALL );
 678
 679 /**
 680  * Initialise $wgLang and $wgContLang to something so we can
 681  * call case-folding methods. Per Brion, this is English for
 682  * now, although we could be clever and initialise to the
 683  * user-selected language.
 684  */
 685 $wgContLang = Language::factory( 'en' );
 686 $wgLang = $wgContLang;
 687
 688 /**
 689  * We're messing about with users, so we need a stub
 690  * authentication plugin...
 691  */
 692 $wgAuth = new AuthPlugin();
 693
 694 /**
 695  * Validate the initial administrator account; username,
 696  * password checks, etc.
 697  */
 698 if( $conf->SysopName ) {
 699         # Check that the user can be created
 700         $u = User::newFromName( $conf->SysopName );
 701         if( is_a($u, 'User') ) { // please do not use instanceof, it breaks PHP4
 702                 # Various password checks
 703                 if( $conf->SysopPass != '' ) {
 704                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 705                                 if( !$u->isValidPassword( $conf->SysopPass ) ) {
 706                                         $errs['SysopPass'] = "Bad password";
 707                                 }
 708                         } else {
 709                                 $errs['SysopPass2'] = "Passwords don't match";
 710                         }
 711                 } else {
 712                         $errs['SysopPass'] = "Cannot be blank";
 713                 }
 714                 unset( $u );
 715         } else {
 716                 $errs['SysopName'] = "Bad username";
 717         }
 718 }
 719
 720 $conf->License = importRequest( "License", "none" );
 721 if( $conf->License == "gfdl1_2" ) {
 722         $conf->RightsUrl = "http://www.gnu.org/licenses/old-licenses/fdl-1.2.txt";
 723         $conf->RightsText = "GNU Free Documentation License 1.2";
 724         $conf->RightsCode = "gfdl1_2";
 725         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 726 } elseif( $conf->License == "gfdl1_3" ) {
 727         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 728         $conf->RightsText = "GNU Free Documentation License 1.3";
 729         $conf->RightsCode = "gfdl1_3";
 730         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 731 } elseif( $conf->License == "none" ) {
 732         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 733 } elseif( $conf->License == "pd" ) {
 734         $conf->RightsUrl = "http://creativecommons.org/licenses/publicdomain/";
 735         $conf->RightsText = "Public Domain";
 736         $conf->RightsCode = "pd";
 737         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/public-domain.png';
 738 } else {
 739         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 740         $conf->RightsText = importRequest( "RightsText", "" );
 741         $conf->RightsCode = importRequest( "RightsCode", "" );
 742         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 743 }
 744
 745 $conf->Shm = importRequest( "Shm", "none" );
 746 $conf->MCServers = importRequest( "MCServers" );
 747
 748 /* Test memcached servers */
 749
 750 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 751         $conf->MCServerArray = wfArrayMap( 'trim', explode( ',', $conf->MCServers ) );
 752         foreach ( $conf->MCServerArray as $server ) {
 753                 $error = testMemcachedServer( $server );
 754                 if ( $error ) {
 755                         $errs["MCServers"] = $error;
 756                         break;
 757                 }
 758         }
 759 } else if ( $conf->Shm == 'memcached' ) {
 760         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 761 }
 762
 763 /* default values for installation */
 764 $conf->Email     = importRequest("Email", "email_enabled");
 765 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 766 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 767 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 768
 769 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 770         do { /* So we can 'continue' to end prematurely */
 771                 $conf->Root = ($conf->RootPW != "");
 772
 773                 /* Load up the settings and get installin' */
 774                 $local = writeLocalSettings( $conf );
 775                 echo "<li style=\"list-style: none\">\n";
 776                 echo "<p><b>Generating configuration file...</b></p>\n";
 777                 echo "</li>\n";
 778
 779                 $wgCommandLineMode = false;
 780                 chdir( ".." );
 781                 $ok = eval( $local );
 782                 if( $ok === false ) {
 783                         dieout( "<p>Errors in generated configuration; " .
 784                                 "most likely due to a bug in the installer... " .
 785                                 "Config file was: </p>" .
 786                                 "<pre>" .
 787                                 htmlspecialchars( $local ) .
 788                                 "</pre>" );
 789                 }
 790                 $conf->DBtypename = '';
 791                 foreach (array_keys($ourdb) as $db) {
 792                         if ($conf->DBtype === $db)
 793                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 794                 }
 795                 if ( ! strlen($conf->DBtype)) {
 796                         $errs["DBpicktype"] = "Please choose a database type";
 797                         continue;
 798                 }
 799
 800                 if (! $conf->DBtypename) {
 801                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 802                         continue;
 803                 }
 804                 print "<li>Database type: " . htmlspecialchars( $conf->DBtypename ) . "</li>\n";
 805                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 806                 $wgDBtype = $conf->DBtype;
 807                 $wgDBadminuser = "root";
 808                 $wgDBadminpassword = $conf->RootPW;
 809
 810                 ## Mysql specific:
 811                 $wgDBprefix = $conf->DBprefix;
 812
 813                 ## Postgres specific:
 814                 $wgDBport      = $conf->DBport;
 815                 $wgDBmwschema  = $conf->DBmwschema;
 816                 $wgDBts2schema = $conf->DBts2schema;
 817
 818                 if( $conf->DBprefix2 != '' ) {
 819                         // For MSSQL
 820                         $wgDBprefix = $conf->DBprefix2;
 821                 } elseif( $conf->DBprefix_ora != '' ) {
 822                         // For Oracle
 823                         $wgDBprefix = $conf->DBprefix_ora;
 824                 }
 825
 826                 ## DB2 specific:
 827                 $wgDBcataloged = $conf->DBcataloged;
 828
 829                 $wgCommandLineMode = true;
 830                 if (! defined ( 'STDERR' ) )
 831                         define( 'STDERR', fopen("php://stderr", "wb"));
 832                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 833                 require_once( "$IP/includes/Setup.php" );
 834                 chdir( "config" );
 835
 836                 $wgTitle = Title::newFromText( "Installation script" );
 837                 error_reporting( E_ALL );
 838                 print "<li>Loading class: " . htmlspecialchars( $dbclass ) . "</li>\n";
 839                 if ( $conf->DBtype != 'sqlite' ) {
 840                         $dbc = new $dbclass;
 841                 }
 842
 843                 if( $conf->DBtype == 'mysql' ) {
 844                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 845                         if( $mysqlOldClient ) {
 846                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 847                                         using a MySQL 4.1 server and have problems connecting to the database,
 848                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 849                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 850                         }
 851                         $ok = true; # Let's be optimistic
 852
 853                         # Decide if we're going to use the superuser or the regular database user
 854                         $conf->Root = $useRoot;
 855                         if( $conf->Root ) {
 856                                 $db_user = $conf->RootUser;
 857                                 $db_pass = $conf->RootPW;
 858                         } else {
 859                                 $db_user = $wgDBuser;
 860                                 $db_pass = $wgDBpassword;
 861                         }
 862
 863                         # Attempt to connect
 864                         echo( "<li>Attempting to connect to database server as " . htmlspecialchars( $db_user ) . "..." );
 865                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 866
 867                         # Check the connection and respond to errors
 868                         if( $wgDatabase->isOpen() ) {
 869                                 # Seems OK
 870                                 $ok = true;
 871                                 $wgDBadminuser = $db_user;
 872                                 $wgDBadminpassword = $db_pass;
 873                                 echo( "success.</li>\n" );
 874                                 $wgDatabase->ignoreErrors( true );
 875                                 $myver = $wgDatabase->getServerVersion();
 876                         } else {
 877                                 # There were errors, report them and back out
 878                                 $ok = false;
 879                                 $errno = mysql_errno();
 880                                 $errtx = htmlspecialchars( mysql_error() );
 881                                 switch( $errno ) {
 882                                         case 1045:
 883                                         case 2000:
 884                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 885                                                 if( $conf->Root ) {
 886                                                         # The superuser details are wrong
 887                                                         $errs["RootUser"] = "Check username";
 888                                                         $errs["RootPW"] = "and password";
 889                                                 } else {
 890                                                         # The regular user details are wrong
 891                                                         $errs["DBuser"] = "Check username";
 892                                                         $errs["DBpassword"] = "and password";
 893                                                 }
 894                                                 break;
 895                                         case 2002:
 896                                         case 2003:
 897                                         default:
 898                                                 # General connection problem
 899                                                 echo( htmlspecialchars( "failed with error [$errno] $errtx." ) . "</li>\n" );
 900                                                 $errs["DBserver"] = "Connection failed";
 901                                                 break;
 902                                 } # switch
 903                         } #conn. att.
 904
 905                         if( !$ok ) { continue; }
 906                 }
 907                 else if( $conf->DBtype == 'ibm_db2' ) {
 908                         if( $useRoot ) {
 909                                 $db_user = $conf->RootUser;
 910                                 $db_pass = $conf->RootPW;
 911                         } else {
 912                                 $db_user = $wgDBuser;
 913                                 $db_pass = $wgDBpassword;
 914                         }
 915
 916                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
 917                                 "\" as \"" . htmlspecialchars( $db_user ) . "\"..." );
 918                         $wgDatabase = $dbc->newFromParams($wgDBserver, $db_user, $db_pass, $wgDBname, 1);
 919                         if (!$wgDatabase->isOpen()) {
 920                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 921                         } else {
 922                                 $myver = $wgDatabase->getServerVersion();
 923                         }
 924                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 925
 926                 } elseif ( $conf->DBtype == 'sqlite' ) {
 927                         if ("$wgSQLiteDataDir" == '') {
 928                                 $wgSQLiteDataDir = dirname($_SERVER['DOCUMENT_ROOT']).'/data';
 929                         }
 930                         echo "<li>Attempting to connect to SQLite database at \"" .
 931                                 htmlspecialchars( $wgSQLiteDataDir ) .  "\"";
 932                         if ( !is_dir( $wgSQLiteDataDir ) ) {
 933                                 if ( is_writable( dirname( $wgSQLiteDataDir ) ) ) {
 934                                         $ok = wfMkdirParents( $wgSQLiteDataDir, $wgSQLiteDataDirMode );
 935                                 } else {
 936                                         $ok = false;
 937                                 }
 938                                 if ( !$ok ) {
 939                                         echo ": cannot create data directory</li>";
 940                                         $errs['SQLiteDataDir'] = 'Enter a valid data directory';
 941                                         continue;
 942                                 }
 943                         }
 944                         if ( !is_writable( $wgSQLiteDataDir ) ) {
 945                                 echo ": data directory not writable</li>";
 946                                 $errs['SQLiteDataDir'] = 'Enter a writable data directory';
 947                                 continue;
 948                         }
 949                         $dataFile = "$wgSQLiteDataDir/$wgDBname.sqlite";
 950                         if ( file_exists( $dataFile ) && !is_writable( $dataFile ) ) {
 951                                 echo ": data file not writable</li>";
 952                                 $errs['SQLiteDataDir'] = "$wgDBname.sqlite is not writable";
 953                                 continue;
 954                         }
 955                         $wgDatabase = new DatabaseSqlite( false, false, false, $wgDBname, 1 );
 956                         if (!$wgDatabase->isOpen()) {
 957                                 print ": error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 958                                 $errs['SQLiteDataDir'] = 'Could not connect to database';
 959                                 continue;
 960                         } else {
 961                                 $myver = $wgDatabase->getServerVersion();
 962                         }
 963                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 964                         echo "ok</li>\n";
 965                 } elseif ( $conf->DBtype == 'oracle' ) {
 966                         echo "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
 967                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
 968                         if (!$wgDatabase->isOpen()) {
 969                                 $ok = true;
 970                                 echo "<li>Connect failed.</li>";
 971                                 if ($useRoot) {
 972                                         if (ini_get('oci8.privileged_connect') === false) {
 973                                                 echo "<li>Privileged connect disabled, please set oci8.privileged_connect or run maintenance/ora/user.sql script manually prior to continuing.</li>";
 974                                                 $ok = false;
 975                                         } else {
 976                                                 $wgDBadminuser = $conf->RootUser;
 977                                                 $wgDBadminpassword = $conf->RootPW;
 978                                                 echo "<li>Attempting to create DB user.</li>";
 979                                                 $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBadminuser, $wgDBadminpassword, $wgDBname, 1, 64);
 980                                                 if ($wgDatabase->isOpen()) {
 981                                                         $wgDBOracleDefTS = $conf->DBdefTS_ora;
 982                                                         $wgDBOracleTempTS = $conf->DBtempTS_ora;
 983                                                         dbsource( "../maintenance/ora/user.sql", $wgDatabase );
 984                                                 } else {
 985                                                         echo "<li>Invalid database superuser, please supply a valid superuser account.</li>";
 986                                                         echo "<li>ERR: ".print_r(oci_error(), true)."</li>";
 987                                                         $ok = false;
 988                                                 }
 989                                         }
 990                                 } else {
 991                                         echo "<li>Database superuser missing, please supply a valid superuser account.</li>";
 992                                         $ok = false;
 993                                 }
 994                                 if (!$ok) {
 995                                         $errs["RootUser"] = "Check username";
 996                                         $errs["RootPW"] = "and password";
 997                                 } else {
 998                                         echo "<li>Attempting to connect to database with new user \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
 999                                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
1000                                 }
1001                         }
1002                         if ($ok) {
1003                                 $myver = $wgDatabase->getServerVersion();
1004                         }
1005                 } else { # not mysql
1006                         error_reporting( E_ALL );
1007                         $wgSuperUser = '';
1008                         ## Possible connect as a superuser
1009                         // Changed !mysql to postgres check since it seems to only apply to postgres
1010                         if( $useRoot && $conf->DBtype == 'postgres' ) {
1011                                 $wgDBsuperuser = $conf->RootUser;
1012                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"" .
1013                                         htmlspecialchars( $wgDBsuperuser ) . "\"..." );
1014                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
1015                                 if (!$wgDatabase->isOpen()) {
1016                                         print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1017                                         $errs["DBserver"] = "Could not connect to database as superuser";
1018                                         $errs["RootUser"] = "Check username";
1019                                         $errs["RootPW"] = "and password";
1020                                         continue;
1021                                 }
1022                                 $wgDatabase->initial_setup($conf->RootPW, 'postgres');
1023                         }
1024                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
1025                                 "\" as \"" . htmlspecialchars( $wgDBuser ) . "\"..." );
1026                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
1027                         if (!$wgDatabase->isOpen()) {
1028                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1029                         } else {
1030                                 $myver = $wgDatabase->getServerVersion();
1031                         }
1032                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
1033                 }
1034
1035                 if ( !$wgDatabase->isOpen() ) {
1036                         $errs["DBserver"] = "Couldn't connect to database";
1037                         continue;
1038                 }
1039
1040                 print "<li>Connected to " . htmlspecialchars( "{$conf->DBtype} $myver" );
1041                 if ($conf->DBtype == 'mysql') {
1042                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
1043                                 print "</li>\n";
1044                                 dieout( "-- mysql 4.0.14 or later required. Aborting." );
1045                         }
1046                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
1047                         if( $mysqlNewAuth && $mysqlOldClient ) {
1048                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
1049                                         to old client libraries; if you have trouble with authentication, see
1050                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
1051                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
1052                         }
1053                         if( $wgDBmysql5 ) {
1054                                 if( $mysqlNewAuth ) {
1055                                         print "; enabling MySQL 4.1/5.0 charset mode";
1056                                 } else {
1057                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
1058                                                 but older version detected; will likely fail.</b>";
1059                                 }
1060                         }
1061                         print "</li>\n";
1062
1063                         @$sel = $wgDatabase->selectDB( $wgDBname );
1064                         if( $sel ) {
1065                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
1066                         } else {
1067                                 $err = mysql_errno();
1068                                 $databaseSafe = htmlspecialchars( $wgDBname );
1069                                 if( $err == 1102 /* Invalid database name */ ) {
1070                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
1071                                         continue;
1072                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
1073                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
1074                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
1075                                         continue;
1076                                 }
1077                                 print "<li>Attempting to create database...</li>";
1078                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
1079                                 if( !$res ) {
1080                                         print "<li>Couldn't create database <tt>" .
1081                                                 htmlspecialchars( $wgDBname ) .
1082                                                 "</tt>; try with root access or check your username/pass.</li>\n";
1083                                         $errs["RootPW"] = "<- Enter";
1084                                         continue;
1085                                 }
1086                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
1087                         }
1088                         $wgDatabase->selectDB( $wgDBname );
1089                 }
1090                 else if ($conf->DBtype == 'postgres') {
1091                         if( version_compare( $myver, "8.0" ) < 0 ) {
1092                                 dieout( "<b>Postgres 8.0 or later is required</b>. Aborting." );
1093                         }
1094                 }
1095
1096                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
1097                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
1098
1099                         if ( $conf->DBtype == 'mysql') {
1100                                 # Determine existing default character set
1101                                 if ( $wgDatabase->tableExists( "revision" ) ) {
1102                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
1103                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
1104                                         $row = $wgDatabase->fetchObject( $res );
1105                                         if ( !$row ) {
1106                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
1107                                                 $existingSchema = false;
1108                                                 $existingEngine = false;
1109                                         } else {
1110                                                 if ( preg_match( '/^latin1/', $row->Collation ) ) {
1111                                                         $existingSchema = 'mysql4';
1112                                                 } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
1113                                                         $existingSchema = 'mysql5';
1114                                                 } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
1115                                                         $existingSchema = 'mysql5-binary';
1116                                                 } else {
1117                                                         $existingSchema = false;
1118                                                         echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
1119                                                 }
1120                                                 if ( isset( $row->Engine ) ) {
1121                                                         $existingEngine = $row->Engine;
1122                                                 } else {
1123                                                         $existingEngine = $row->Type;
1124                                                 }
1125                                         }
1126                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
1127                                                 $encExisting = htmlspecialchars( $existingSchema );
1128                                                 $encRequested = htmlspecialchars( $conf->DBschema );
1129                                                 print "<li><strong>Warning:</strong> you requested the $encRequested schema, " .
1130                                                         "but the existing database has the $encExisting schema. This upgrade script ".
1131                                                         "can't convert it, so it will remain $encExisting.</li>\n";
1132                                                 $conf->setSchema( $existingSchema, $conf->DBengine );
1133                                         }
1134                                         if ( $existingEngine && $existingEngine != $conf->DBengine ) {
1135                                                 $encExisting = htmlspecialchars( $existingEngine );
1136                                                 $encRequested = htmlspecialchars( $conf->DBengine );
1137                                                 print "<li><strong>Warning:</strong> you requested the $encRequested storage " .
1138                                                         "engine, but the existing database uses the $encExisting engine. This upgrade " .
1139                                                         "script can't convert it, so it will remain $encExisting.</li>\n";
1140                                                 $conf->setSchema( $conf->DBschema, $existingEngine );
1141                                         }
1142                                 }
1143
1144                                 # Create user if required
1145                                 if ( $conf->Root ) {
1146                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1147                                         if ( $conn->isOpen() ) {
1148                                                 print "<li>DB user account ok</li>\n";
1149                                                 $conn->close();
1150                                         } else {
1151                                                 print "<li>Granting user permissions...";
1152                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
1153                                                         print " <b class='error'>If the next step fails, see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'>http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
1154                                                 }
1155                                                 print "</li>\n";
1156                                                 dbsource( "../maintenance/users.sql", $wgDatabase );
1157                                         }
1158                                 }
1159                         }
1160                         print "</ul><pre>\n";
1161                         chdir( ".." );
1162                         flush();
1163                         do_all_updates();
1164                         chdir( "config" );
1165                         print "</pre>\n";
1166                         print "<ul><li>Finished update checks.</li>\n";
1167                 } else {
1168                         # Determine available storage engines if possible
1169                         if ( $conf->DBtype == 'mysql' && version_compare( $myver, "4.1.2", "ge" ) ) {
1170                                 $res = $wgDatabase->query( 'SHOW ENGINES' );
1171                                 $found = false;
1172                                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
1173                                         if ( $row->Engine == $conf->DBengine ) {
1174                                                 $found = true;
1175                                                 break;
1176                                         }
1177                                 }
1178                                 $wgDatabase->freeResult( $res );
1179                                 if ( !$found && $conf->DBengine != 'MyISAM' ) {
1180                                         echo "<li><strong>Warning:</strong> " . htmlspecialchars( $conf->DBengine ) .
1181                                                 " storage engine not available, " .
1182                                                 "using MyISAM instead</li>\n";
1183                                         $conf->setSchema( $conf->DBschema, 'MyISAM' );
1184                                 }
1185                         }
1186
1187                         # FIXME: Check for errors
1188                         print "<li>Creating tables...";
1189                         if ($conf->DBtype == 'mysql') {
1190                                 dbsource( "../maintenance/tables.sql", $wgDatabase );
1191                                 dbsource( "../maintenance/interwiki.sql", $wgDatabase );
1192                         } elseif (is_callable(array($wgDatabase, 'setup_database'))) {
1193                                 $wgDatabase->setup_database();
1194                         }
1195                         else {
1196                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
1197                                 continue;
1198                         }
1199
1200                         print " done.</li>\n";
1201
1202                         print "<li>Initializing statistics...</li>\n";
1203                         $wgDatabase->insert( 'site_stats',
1204                                 array ( 'ss_row_id'        => 1,
1205                                                 'ss_total_views'   => 0,
1206                                                 'ss_total_edits'   => 1, # Main page first edit
1207                                                 'ss_good_articles' => 0, # Main page is not a good article - no internal link
1208                                                 'ss_total_pages'   => 1, # Main page
1209                                                 'ss_users'         => $conf->SysopName ? 1 : 0, # Sysop account, if created
1210                                                 'ss_admins'        => $conf->SysopName ? 1 : 0, # Sysop account, if created
1211                                                 'ss_images'        => 0 ) );
1212
1213                         # Set up the "regular user" account *if we can, and if we need to*
1214                         if( $conf->Root and $conf->DBtype == 'mysql') {
1215                                 # See if we need to
1216                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1217                                 if( $wgDatabase2->isOpen() ) {
1218                                         # Nope, just close the test connection and continue
1219                                         $wgDatabase2->close();
1220                                         echo( "<li>User " . htmlspecialchars( $wgDBuser ) . " exists. Skipping grants.</li>\n" );
1221                                 } else {
1222                                         # Yes, so run the grants
1223                                         echo( "<li>" . htmlspecialchars( "Granting user permissions to $wgDBuser on $wgDBname..." ) );
1224                                         dbsource( "../maintenance/users.sql", $wgDatabase );
1225                                         echo( "success.</li>\n" );
1226                                 }
1227                         }
1228
1229                         if( $conf->SysopName ) {
1230                                 $u = User::newFromName( $conf->getSysopName() );
1231                                 if ( !$u ) {
1232                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
1233                                 }
1234                                 else if ( 0 == $u->idForName() ) {
1235                                         $u->addToDatabase();
1236                                         $u->setPassword( $conf->getSysopPass() );
1237                                         $u->saveSettings();
1238
1239                                         $u->addGroup( "sysop" );
1240                                         $u->addGroup( "bureaucrat" );
1241
1242                                         print "<li>Created sysop account <tt>" .
1243                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
1244                                 } else {
1245                                         print "<li>Could not create user - already exists!</li>\n";
1246                                 }
1247                         } else {
1248                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
1249                         }
1250
1251                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
1252                         $article = new Article( $titleobj );
1253                         $newid = $article->insertOn( $wgDatabase );
1254                         $revision = new Revision( array(
1255                                 'page'      => $newid,
1256                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1257                                 'comment'   => '',
1258                                 'user'      => 0,
1259                                 'user_text' => 'MediaWiki default',
1260                                 ) );
1261                         $revid = $revision->insertOn( $wgDatabase );
1262                         $article->updateRevisionOn( $wgDatabase, $revision );
1263                 }
1264                 // Now that all database work is done, make sure everything is committed
1265                 $wgDatabase->commit();
1266
1267                 /* Write out the config file now that all is well */
1268                 print "<li style=\"list-style: none\">\n";
1269                 print "<p>Creating LocalSettings.php...</p>\n\n";
1270                 $localSettings = "<" . "?php$endl$local";
1271                 // Fix up a common line-ending problem (due to CVS on Windows)
1272                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1273                 $f = fopen( "LocalSettings.php", 'xt' );
1274
1275                 if( $f == false ) {
1276                         print( "</li>\n" );
1277                         dieout( "<p>Couldn't write out LocalSettings.php. Check that the directory permissions are correct and that there isn't already a file of that name here...</p>\n" .
1278                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1279                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1280                 }
1281                 if(fwrite( $f, $localSettings ) ) {
1282                         fclose( $f );
1283                         print "<hr/>\n";
1284                         writeSuccessMessage();
1285                         print "</li>\n";
1286                 } else {
1287                         fclose( $f );
1288                         dieout( "<p class='error'>An error occured while writing the config/LocalSettings.php file. Check user rights and disk space then try again.</p></li>\n" );
1289                 }
1290
1291         } while( false );
1292 }
1293
1294 print "</ul>\n";
1295 $mainListOpened = false;
1296
1297 if( count( $errs ) ) {
1298         /* Display options form */
1299
1300         if( $conf->posted ) {
1301                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1302         }
1303 ?>
1304
1305 <form action="<?php echo defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php'; ?>" name="config" method="post">
1306
1307 <h2>Site config</h2>
1308
1309 <div class="config-section">
1310         <div class="config-input">
1311                 <?php aField( $conf, "Sitename", "Wiki name:" ); ?>
1312         </div>
1313         <p class="config-desc">
1314                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1315                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1316         </p>
1317         <div class="config-input"><?php aField( $conf, "EmergencyContact", "Contact e-mail:" ); ?></div>
1318         <p class="config-desc">
1319                 Displayed to users in some error messages, used as the return address for password reminders, and used as the default sender address of e-mail notifications.
1320         </p>
1321
1322         <div class="config-input">
1323                 <label class='column' for="LanguageCode">Language:</label>
1324                 <select id="LanguageCode" name="LanguageCode"><?php
1325                         $list = getLanguageList();
1326                         foreach( $list as $code => $name ) {
1327                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1328                                 $encCode = htmlspecialchars( $code );
1329                                 $encName = htmlspecialchars( $name );
1330                                 echo "\n\t\t<option value=\"$encCode\" $sel>$encName</option>";
1331                         }
1332                         echo "\n";
1333                 ?>
1334                 </select>
1335         </div>
1336         <p class="config-desc">
1337                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1338         </p>
1339
1340         <div class="config-input">
1341                 <label class='column'>Copyright/license:</label>
1342
1343                 <ul class="plain">
1344                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1345                 <li><?php aField( $conf, "License", "Public Domain", "radio", "pd" ); ?></li>
1346                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl1_2" ); ?></li>
1347                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.3", "radio", "gfdl1_3" ); ?></li>
1348                 <li><?php
1349                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1350                         $partner = "MediaWiki";
1351    $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1352                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/$script?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1353                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1354                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1355                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1356                         if( $conf->License == "cc" ) { ?>
1357                         <ul>
1358                         <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1359                         <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1360                         <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1361                         <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1362                         </ul>
1363                         <?php } ?>
1364                         </li>
1365                 </ul>
1366         </div>
1367         <p class="config-desc">
1368                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1369         </p>
1370
1371
1372         <div class="config-input">
1373                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1374         </div>
1375         <div class="config-input">
1376                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1377         </div>
1378         <div class="config-input">
1379                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1380         </div>
1381         <p class="config-desc">
1382                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1383                 A new account will be added only when creating a new wiki database.
1384                 <br /><br />
1385                 The password cannot be the same as the username.
1386         </p>
1387
1388         <div class="config-input">
1389                 <label class='column'>Object caching:</label>
1390
1391                 <ul class="plain">
1392                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1393                 <?php
1394                         if ( $conf->turck ) {
1395                                 echo "<li>";
1396                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1397                                 echo "</li>\n";
1398                         }
1399                         if( $conf->xcache ) {
1400                                 echo "<li>";
1401                                 aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
1402                                 echo "</li>\n";
1403                         }
1404                         if ( $conf->apc ) {
1405                                 echo "<li>";
1406                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1407                                 echo "</li>\n";
1408                         }
1409                         if ( $conf->eaccel ) {
1410                                 echo "<li>";
1411                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1412                                 echo "</li>\n";
1413                         }
1414                         if ( $conf->dba ) {
1415                                 echo "<li>";
1416                                 aField( $conf, "Shm", "DBA (not recommended)", "radio", "dba" );
1417                                 echo "</li>";
1418                         }
1419                 ?>
1420                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1421                 </ul>
1422                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1423         </div>
1424         <p class="config-desc">
1425                 An object caching system such as memcached will provide a significant performance boost,
1426                 but needs to be installed. Provide the server addresses and ports in a comma-separated list.
1427                 <br /><br />
1428                 MediaWiki can also detect and support eAccelerator, Turck MMCache, APC, and XCache, but
1429                 these should not be used if the wiki will be running on multiple application servers.
1430                 <br/><br/>
1431                 DBA (Berkeley-style DB) is generally slower than using no cache at all, and is only
1432                 recommended for testing.
1433         </p>
1434 </div>
1435
1436 <h2>E-mail, e-mail notification and authentication setup</h2>
1437
1438 <div class="config-section">
1439         <div class="config-input">
1440                 <label class='column'>E-mail features (global):</label>
1441                 <ul class="plain">
1442                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1443                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1444                 </ul>
1445         </div>
1446         <p class="config-desc">
1447                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1448                 if sending mail doesn't work on your server.
1449         </p>
1450
1451         <div class="config-input">
1452                 <label class='column'>User-to-user e-mail:</label>
1453                 <ul class="plain">
1454                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1455                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1456                 </ul>
1457         </div>
1458         <p class="config-desc">
1459                 The user-to-user e-mail feature (Special:Emailuser) lets the wiki act as a relay to allow users to exchange e-mail without publicly advertising their e-mail address.
1460         </p>
1461         <div class="config-input">
1462                 <label class='column'>E-mail notification about changes:</label>
1463                 <ul class="plain">
1464                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1465                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1466                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages, and to pages on watchlists (not recommended for large wikis)", "radio", "enotif_allpages" ); ?></li>
1467                 </ul>
1468         </div>
1469         <div class="config-desc">
1470                 <p>
1471                 For this feature to work, an e-mail address must be present for the user account, and the notification
1472                 options in the user's preferences must be enabled. Also note the
1473                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1474
1475                 <p>There are additional options for fine tuning in /includes/DefaultSettings.php; copy these to your LocalSettings.php and edit them there to change them.</p>
1476         </div>
1477
1478         <div class="config-input">
1479                 <label class='column'>E-mail address authentication:</label>
1480                 <ul class="plain">
1481                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1482                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1483                 </ul>
1484         </div>
1485         <div class="config-desc">
1486                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1487                 change notification mails. Setting this option is <b>recommended</b> for public wikis because of potential abuse of the e-mail features above.</p>
1488         </div>
1489
1490 </div>
1491
1492 <h2>Database config</h2>
1493
1494 <div class="config-section">
1495 <div class="config-input">
1496         <label class='column'>Database type:</label>
1497 <?php
1498         if (isset($errs['DBpicktype'])) {
1499                 print "\t<span class='error'>" . htmlspecialchars( $errs['DBpicktype'] ) . "</span>\n";
1500         }
1501 ?>
1502         <ul class='plain'><?php
1503                 database_picker($conf);
1504         ?></ul>
1505         </div>
1506
1507         <div class="config-input" style="clear:left">
1508         <?php aField( $conf, "DBserver", "Database host:" ); ?>
1509         </div>
1510         <p class="config-desc">
1511                 If your database server isn't on your web server, enter the name or IP address here.
1512         </p>
1513
1514         <div class="config-input"><?php aField( $conf, "DBname", "Database name:" ); ?></div>
1515         <div class="config-input"><?php aField( $conf, "DBuser", "DB username:" ); ?></div>
1516         <div class="config-input"><?php aField( $conf, "DBpassword", "DB password:", "password" ); ?></div>
1517         <div class="config-input"><?php aField( $conf, "DBpassword2", "DB password confirm:", "password" ); ?></div>
1518         <p class="config-desc">
1519                 If you only have a single user account and database available,
1520                 enter those here. If you have database root access (see below)
1521                 you can specify new accounts/databases to be created. This account
1522                 will not be created if it pre-exists. If this is the case, ensure that it
1523                 has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1524         </p>
1525
1526         <div class="config-input">
1527                 <label class="column">Superuser account:</label>
1528                 <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?> />
1529                 &nbsp;<label for="useroot">Use superuser account</label>
1530         </div>
1531         <div class="config-input"><?php aField( $conf, "RootUser", "Superuser name:", "text" ); ?></div>
1532         <div class="config-input"><?php aField( $conf, "RootPW", "Superuser password:", "password" ); ?></div>
1533
1534         <p class="config-desc">
1535                 If the database user specified above does not exist, or does not have access to create
1536                 the database (if needed) or tables within it, please check the box and provide details
1537                 of a superuser account, such as <strong>root</strong>, which does.
1538         </p>
1539
1540         <?php database_switcher('mysql'); ?>
1541         <div class="config-input"><?php aField( $conf, "DBprefix", "Database table prefix:" ); ?></div>
1542         <div class="config-desc">
1543                 <p>If you need to share one database between multiple wikis, or
1544                 between MediaWiki and another web application, you may choose to
1545                 add a prefix to all the table names to avoid conflicts.</p>
1546
1547                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1548         </div>
1549
1550         <div class="config-input"><label class="column">Storage Engine</label>
1551                 <div>Select one:</div>
1552                 <ul class="plain">
1553                 <li><?php aField( $conf, "DBengine", "InnoDB", "radio", "InnoDB" ); ?></li>
1554                 <li><?php aField( $conf, "DBengine", "MyISAM", "radio", "MyISAM" ); ?></li>
1555                 </ul>
1556         </div>
1557         <p class="config-desc">
1558                 InnoDB is best for public web installations, since it has good concurrency
1559                 support. MyISAM may be faster in single-user installations. MyISAM databases
1560                 tend to get corrupted more often than InnoDB databases.
1561         </p>
1562         <div class="config-input"><label class="column">Database character set</label>
1563                 <div>Select one:</div>
1564                 <ul class="plain">
1565                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1566                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1567                 <li><?php aField( $conf, "DBschema", "MySQL 4.0 backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1568                 </ul>
1569         </div>
1570         <p class="config-desc">
1571                 This option is ignored on upgrade, the same character set will be kept.
1572                 <br/><br/>
1573                 <b>WARNING:</b> If you use <b>backwards-compatible UTF-8</b> on MySQL 4.1+, and subsequently back up the database with <tt>mysqldump</tt>, it may destroy all non-ASCII characters, irreversibly corrupting your backups!.
1574                 <br/><br/>
1575                 In <b>binary mode</b>, MediaWiki stores UTF-8 text to the database in binary fields. This is more efficient than MySQL's UTF-8 mode, and allows you to use the full range of Unicode characters. In <b>UTF-8 mode</b>, MySQL will know what character set your data is in, and can present and convert it appropriately, but it won't let you store characters above the <a target="_blank" href="http://en.wikipedia.org/wiki/Mapping_of_Unicode_character_planes">Basic Multilingual Plane</a>.
1576         </p>
1577         </fieldset>
1578
1579         <?php database_switcher('postgres'); ?>
1580         <div class="config-input"><?php aField( $conf, "DBport", "Database port:" ); ?></div>
1581         <div class="config-input"><?php aField( $conf, "DBmwschema", "Schema for mediawiki:" ); ?></div>
1582         <div class="config-input"><?php aField( $conf, "DBts2schema", "Schema for tsearch2:" ); ?></div>
1583         <div class="config-desc">
1584                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1585                 so it is recommended that you create a new user. The above schemas are generally correct:
1586         only change them if you are sure you need to.</p>
1587         </div>
1588         </fieldset>
1589
1590         <?php database_switcher('sqlite'); ?>
1591         <div class="config-desc">
1592                 <b>NOTE:</b> SQLite only uses the <i>Database name</i> setting above, the user, password and root settings are ignored.
1593         </div>
1594         <div class="config-input"><?php
1595                 aField( $conf, "SQLiteDataDir", "SQLite data directory:" );
1596         ?></div>
1597         <div class="config-desc">
1598                 <p>SQLite stores table data into files in the filesystem.
1599                 If you do not provide an explicit path, a "data" directory in
1600                 the parent of your document root will be used.</p>
1601
1602                 <p>This directory must exist and be writable by the web server.</p>
1603         </div>
1604         </fieldset>
1605
1606         <?php database_switcher('mssql'); ?>
1607         <div class="config-input"><?php
1608                 aField( $conf, "DBprefix2", "Database table prefix:" );
1609         ?></div>
1610         <div class="config-desc">
1611                 <p>If you need to share one database between multiple wikis, or
1612                 between MediaWiki and another web application, you may choose to
1613                 add a prefix to all the table names to avoid conflicts.</p>
1614
1615                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1616         </div>
1617         </fieldset>
1618
1619         <?php database_switcher('ibm_db2'); ?>
1620         <div class="config-input"><?php
1621                 aField( $conf, "DBport_db2", "Database port:" );
1622         ?></div>
1623         <div class="config-input"><?php
1624                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1625         ?></div>
1626         <div>Select one:</div>
1627                 <ul class="plain">
1628                 <li><?php aField( $conf, "DBcataloged", "Cataloged (DB2 installed locally)", "radio", "cataloged" ); ?></li>
1629                 <li><?php aField( $conf, "DBcataloged", "Uncataloged (remote DB2 through ODBC)", "radio", "uncataloged" ); ?></li>
1630                 </ul>
1631         <div class="config-desc">
1632                 <p>If you need to share one database between multiple wikis, or
1633                 between MediaWiki and another web application, you may specify
1634                 a different schema to avoid conflicts.</p>
1635         </div>
1636         </fieldset>
1637
1638         <?php database_switcher('oracle'); ?>
1639         <div class="config-input"><?php aField( $conf, "DBprefix_ora", "Database table prefix:" ); ?></div>
1640         <div class="config-desc">
1641                 <p>If you need to share one database between multiple wikis, or
1642                 between MediaWiki and another web application, you may choose to
1643                 add a prefix to all the table names to avoid conflicts.</p>
1644
1645                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1646         </div>
1647         <div class="config-input"><?php aField( $conf, "DBdefTS_ora", "Default tablespace:" ); ?></div>
1648         <div class="config-input"><?php aField( $conf, "DBtempTS_ora", "Temporary tablespace:" ); ?></div>
1649         </fieldset>
1650
1651         <div class="config-input" style="padding:2em 0 3em">
1652                 <label class='column'>&nbsp;</label>
1653                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1654         </div>
1655 </div>
1656 </form>
1657 <script type="text/javascript">
1658 window.onload = toggleDBarea( <?php echo Xml::encodeJsVar( $conf->DBtype ); ?>,
1659 <?php
1660         ## If they passed in a root user name, don't populate it on page load
1661         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1662 ?>);
1663 </script>
1664 <?php
1665 }
1666
1667 /* -------------------------------------------------------------------------------------- */
1668 function writeSuccessMessage() {
1669  $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1670         if ( wfIniGetBool( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1671                 echo <<<EOT
1672 <div class="success-box">
1673 <p>Installation successful!</p>
1674 <p>To complete the installation, please do the following:
1675 <ol>
1676         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1677         <li>Upload it to the parent directory</li>
1678         <li>Delete config/LocalSettings.php</li>
1679         <li>Start using <a href='../$script'>your wiki</a>!
1680 </ol>
1681 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1682 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1683 which means that anyone on the same server can read your database password! Downloading
1684 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1685 </div>
1686 EOT;
1687         } else {
1688                 echo <<<EOT
1689 <div class="success-box">
1690 <p>
1691 <span class="success-message">Installation successful!</span>
1692 Move the <tt>config/LocalSettings.php</tt> file to the parent directory, then follow
1693 <a href="../$script"> this link</a> to your wiki.</p>
1694 <p>You should change file permissions for <tt>LocalSettings.php</tt> as required to
1695 prevent other users on the server reading passwords and altering configuration data.</p>
1696 </div>
1697 EOT;
1698         }
1699 }
1700
1701
1702 function escapePhpString( $string ) {
1703         if ( is_array( $string ) || is_object( $string ) ) {
1704                 return false;
1705         }
1706         return strtr( $string,
1707                 array(
1708                         "\n" => "\\n",
1709                         "\r" => "\\r",
1710                         "\t" => "\\t",
1711                         "\\" => "\\\\",
1712                         "\$" => "\\\$",
1713                         "\"" => "\\\""
1714                 ));
1715 }
1716
1717 function writeLocalSettings( $conf ) {
1718         $conf->PasswordSender = $conf->EmergencyContact;
1719         $magic = ($conf->ImageMagick ? "" : "# ");
1720         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1721         $rights = ($conf->RightsUrl) ? "" : "# ";
1722         $hashedUploads = $conf->safeMode ? '' : '# ';
1723
1724         if ( $conf->ShellLocale ) {
1725                 $locale = '';
1726         } else {
1727                 $locale = '# ';
1728                 $conf->ShellLocale = 'en_US.UTF-8';
1729         }
1730
1731         switch ( $conf->Shm ) {
1732                 case 'memcached':
1733                         $cacheType = 'CACHE_MEMCACHED';
1734                         $mcservers = var_export( $conf->MCServerArray, true );
1735                         break;
1736                 case 'turck':
1737                 case 'xcache':
1738                 case 'apc':
1739                 case 'eaccel':
1740                         $cacheType = 'CACHE_ACCEL';
1741                         $mcservers = 'array()';
1742                         break;
1743                 case 'dba':
1744                         $cacheType = 'CACHE_DBA';
1745                         $mcservers = 'array()';
1746                         break;
1747                 default:
1748                         $cacheType = 'CACHE_NONE';
1749                         $mcservers = 'array()';
1750         }
1751
1752         if ( $conf->Email == 'email_enabled' ) {
1753                 $enableemail = 'true';
1754                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1755                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1756                 switch ( $conf->Enotif ) {
1757                         case 'enotif_usertalk':
1758                                 $enotifusertalk = 'true';
1759                                 $enotifwatchlist = 'false';
1760                                 break;
1761                         case 'enotif_allpages':
1762                                 $enotifusertalk = 'true';
1763                                 $enotifwatchlist = 'true';
1764                                 break;
1765                         default:
1766                                 $enotifusertalk = 'false';
1767                                 $enotifwatchlist = 'false';
1768                 }
1769         } else {
1770                 $enableuseremail = 'false';
1771                 $enableemail = 'false';
1772                 $eauthent = 'false';
1773                 $enotifusertalk = 'false';
1774                 $enotifwatchlist = 'false';
1775         }
1776
1777         $file = @fopen( "/dev/urandom", "r" );
1778         if ( $file ) {
1779                 $secretKey = bin2hex( fread( $file, 32 ) );
1780                 fclose( $file );
1781         } else {
1782                 $secretKey = "";
1783                 for ( $i=0; $i<8; $i++ ) {
1784                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1785                 }
1786                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1787         }
1788
1789         # Add slashes to strings for double quoting
1790         $slconf = wfArrayMap( "escapePhpString", get_object_vars( $conf ) );
1791         if( $conf->License == 'gfdl1_2' || $conf->License == 'pd' || $conf->License == 'gfdl1_3' ) {
1792                 # Needs literal string interpolation for the current style path
1793                 $slconf['RightsIcon'] = $conf->RightsIcon;
1794         }
1795
1796         if( $conf->DBtype == 'mysql' ) {
1797                 $dbsettings =
1798 "# MySQL specific settings
1799 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1800
1801 # MySQL table options to use during installation or update
1802 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1803
1804 # Experimental charset support for MySQL 4.1/5.0.
1805 \$wgDBmysql5 = {$conf->DBmysql5};";
1806         } elseif( $conf->DBtype == 'postgres' ) {
1807                 $dbsettings =
1808 "# Postgres specific settings
1809 \$wgDBport           = \"{$slconf['DBport']}\";
1810 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1811 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";";
1812         } elseif( $conf->DBtype == 'sqlite' ) {
1813                 $dbsettings =
1814 "# SQLite-specific settings
1815 \$wgSQLiteDataDir    = \"{$slconf['SQLiteDataDir']}\";";
1816         } elseif( $conf->DBtype == 'mssql' ) {
1817                 $dbsettings =
1818 "# MSSQL specific settings
1819 \$wgDBprefix         = \"{$slconf['DBprefix2']}\";";
1820         } elseif( $conf->DBtype == 'ibm_db2' ) {
1821                 $dbsettings =
1822 "# DB2 specific settings
1823 \$wgDBport_db2       = \"{$slconf['DBport_db2']}\";
1824 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1825 \$wgDBcataloged      = \"{$slconf['DBcataloged']}\";";
1826         } elseif( $conf->DBtype == 'oracle' ) {
1827                 $dbsettings =
1828 "# Oracle specific settings
1829 \$wgDBprefix         = \"{$slconf['DBprefix']}\";";
1830         } else {
1831                 // ummm... :D
1832                 $dbsettings = '';
1833         }
1834
1835
1836         $localsettings = "
1837 # This file was automatically generated by the MediaWiki installer.
1838 # If you make manual changes, please keep track in case you need to
1839 # recreate them later.
1840 #
1841 # See includes/DefaultSettings.php for all configurable settings
1842 # and their default values, but don't forget to make changes in _this_
1843 # file, not there.
1844 #
1845 # Further documentation for configuration settings may be found at:
1846 # http://www.mediawiki.org/wiki/Manual:Configuration_settings
1847
1848 # If you customize your file layout, set \$IP to the directory that contains
1849 # the other MediaWiki files. It will be used as a base to locate files.
1850 if( defined( 'MW_INSTALL_PATH' ) ) {
1851         \$IP = MW_INSTALL_PATH;
1852 } else {
1853         \$IP = dirname( __FILE__ );
1854 }
1855
1856 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1857 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1858
1859 require_once( \"\$IP/includes/DefaultSettings.php\" );
1860
1861 # If PHP's memory limit is very low, some operations may fail.
1862 " . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
1863
1864 if ( \$wgCommandLineMode ) {
1865         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1866                 die( \"This script must be run from the command line\\n\" );
1867         }
1868 }
1869 ## Uncomment this to disable output compression
1870 # \$wgDisableOutputCompression = true;
1871
1872 \$wgSitename         = \"{$slconf['Sitename']}\";
1873
1874 ## The URL base path to the directory containing the wiki;
1875 ## defaults for all runtime URL paths are based off of this.
1876 ## For more information on customizing the URLs please see:
1877 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1878 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1879 \$wgScriptExtension  = \"{$slconf['ScriptExtension']}\";
1880
1881 ## UPO means: this is also a user preference option
1882
1883 \$wgEnableEmail      = $enableemail;
1884 \$wgEnableUserEmail  = $enableuseremail; # UPO
1885
1886 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1887 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1888
1889 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1890 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1891 \$wgEmailAuthentication = $eauthent;
1892
1893 ## Database settings
1894 \$wgDBtype           = \"{$slconf['DBtype']}\";
1895 \$wgDBserver         = \"{$slconf['DBserver']}\";
1896 \$wgDBname           = \"{$slconf['DBname']}\";
1897 \$wgDBuser           = \"{$slconf['DBuser']}\";
1898 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1899
1900 {$dbsettings}
1901
1902 ## Shared memory settings
1903 \$wgMainCacheType = $cacheType;
1904 \$wgMemCachedServers = $mcservers;
1905
1906 ## To enable image uploads, make sure the 'images' directory
1907 ## is writable, then set this to true:
1908 \$wgEnableUploads       = false;
1909 {$magic}\$wgUseImageMagick = true;
1910 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1911
1912 ## If you use ImageMagick (or any other shell command) on a
1913 ## Linux server, this will need to be set to the name of an
1914 ## available UTF-8 locale
1915 {$locale}\$wgShellLocale = \"{$slconf['ShellLocale']}\";
1916
1917 ## If you want to use image uploads under safe mode,
1918 ## create the directories images/archive, images/thumb and
1919 ## images/temp, and make them all writable. Then uncomment
1920 ## this, if it's not already uncommented:
1921 {$hashedUploads}\$wgHashedUploadDirectory = false;
1922
1923 ## If you have the appropriate support software installed
1924 ## you can enable inline LaTeX equations:
1925 \$wgUseTeX           = false;
1926
1927 \$wgLocalInterwiki   = strtolower( \$wgSitename );
1928
1929 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1930
1931 \$wgSecretKey = \"$secretKey\";
1932
1933 ## Default skin: you can change the default skin. Use the internal symbolic
1934 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1935 \$wgDefaultSkin = 'monobook';
1936
1937 ## For attaching licensing metadata to pages, and displaying an
1938 ## appropriate copyright notice / icon. GNU Free Documentation
1939 ## License and Creative Commons licenses are supported so far.
1940 {$rights}\$wgEnableCreativeCommonsRdf = true;
1941 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1942 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1943 \$wgRightsText = \"{$slconf['RightsText']}\";
1944 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1945 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1946
1947 \$wgDiff3 = \"{$slconf['diff3']}\";
1948
1949 # When you make changes to this configuration file, this will make
1950 # sure that cached pages are cleared.
1951 \$wgCacheEpoch = max( \$wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
1952 "; ## End of setting the $localsettings string
1953
1954         // Keep things in Unix line endings internally;
1955         // the system will write out as local text type.
1956         return str_replace( "\r\n", "\n", $localsettings );
1957 }
1958
1959 function dieout( $text ) {
1960         global $mainListOpened;
1961         if( $mainListOpened ) echo( "</ul>" );
1962         if( $text != '' && substr( $text, 0, 2 ) != '<p'  && substr( $text, 0, 2 ) != '<h' ){
1963                 echo "<p>$text</p>\n";
1964         } else {
1965                 echo $text;
1966         }
1967         die( "\n\n</div>\n</div>\n</div>\n</div>\n</body>\n</html>" );
1968 }
1969
1970 function importVar( &$var, $name, $default = "" ) {
1971         if( isset( $var[$name] ) ) {
1972                 $retval = $var[$name];
1973                 if ( get_magic_quotes_gpc() ) {
1974                         $retval = stripslashes( $retval );
1975                 }
1976         } else {
1977                 $retval = $default;
1978         }
1979         taint( $retval );
1980         return $retval;
1981 }
1982
1983 function importPost( $name, $default = "" ) {
1984         return importVar( $_POST, $name, $default );
1985 }
1986
1987 function importCheck( $name ) {
1988         return isset( $_POST[$name] );
1989 }
1990
1991 function importRequest( $name, $default = "" ) {
1992         return importVar( $_REQUEST, $name, $default );
1993 }
1994
1995 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
1996         static $radioCount = 0;
1997         if( $type != "" ) {
1998                 $xtype = "type=\"$type\"";
1999         } else {
2000                 $xtype = "";
2001         }
2002
2003         $id = $field;
2004         $nolabel = ($type == "radio") || ($type == "hidden");
2005
2006         if ($type == 'radio')
2007                 $id .= $radioCount++;
2008
2009         if( !$nolabel ) {
2010                 echo "<label class='column' for=\"$id\">$text</label>";
2011         }
2012
2013         if( $type == "radio" && $value == $conf->$field ) {
2014                 $checked = "checked='checked'";
2015         } else {
2016                 $checked = "";
2017         }
2018         echo "<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
2019         if ($onclick) {
2020                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
2021         }
2022         echo "value=\"";
2023         if( $type == "radio" ) {
2024                 echo htmlspecialchars( $value );
2025         } else {
2026                 echo htmlspecialchars( $conf->$field );
2027         }
2028
2029
2030         echo "\" />";
2031         if( $nolabel ) {
2032                 echo "<label for=\"$id\">$text</label>";
2033         }
2034
2035         global $errs;
2036         if(isset($errs[$field])) {
2037                 echo "<span class='error'>" . htmlspecialchars( $errs[$field] ) . "</span>\n";
2038         }
2039 }
2040
2041 function getLanguageList() {
2042         global $wgLanguageNames, $IP;
2043         if( !isset( $wgLanguageNames ) ) {
2044                 require_once( "$IP/languages/Names.php" );
2045         }
2046
2047         $codes = array();
2048
2049         $d = opendir( "../languages/messages" );
2050         /* In case we are called from the root directory */
2051         if (!$d)
2052                 $d = opendir( "languages/messages");
2053         while( false !== ($f = readdir( $d ) ) ) {
2054                 $m = array();
2055                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
2056                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
2057                         if( isset( $wgLanguageNames[$code] ) ) {
2058                                 $name = $code . ' - ' . $wgLanguageNames[$code];
2059                         } else {
2060                                 $name = $code;
2061                         }
2062                         $codes[$code] = $name;
2063                 }
2064         }
2065         closedir( $d );
2066         ksort( $codes );
2067         return $codes;
2068 }
2069
2070 #Check for location of an executable
2071 # @param string $loc single location to check
2072 # @param array $names filenames to check for.
2073 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
2074 function locate_executable($loc, $names, $versioninfo = false) {
2075         if (!is_array($names))
2076                 $names = array($names);
2077
2078         foreach ($names as $name) {
2079                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
2080                 if (@file_exists($command)) {
2081                         if (!$versioninfo)
2082                                 return $command;
2083
2084                         $file = str_replace('$1', $command, $versioninfo[0]);
2085                         if (strstr(`$file`, $versioninfo[1]) !== false)
2086                                 return $command;
2087                 }
2088         }
2089         return false;
2090 }
2091
2092 # Test a memcached server
2093 function testMemcachedServer( $server ) {
2094         $hostport = explode(":", $server);
2095         $errstr = false;
2096         $fp = false;
2097         if ( !function_exists( 'fsockopen' ) ) {
2098                 $errstr = "Can't connect to memcached, fsockopen() not present";
2099         }
2100         if ( !$errstr && count( $hostport ) != 2 ) {
2101                 $errstr = 'Please specify host and port';
2102         }
2103         if ( !$errstr ) {
2104                 list( $host, $port ) = $hostport;
2105                 $errno = 0;
2106                 $fsockerr = '';
2107
2108                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
2109                 if ( $fp === false ) {
2110                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
2111                 }
2112         }
2113         if ( !$errstr ) {
2114                 $command = "version\r\n";
2115                 $bytes = fwrite( $fp, $command );
2116                 if ( $bytes != strlen( $command ) ) {
2117                         $errstr = "Cannot write to memcached socket on $host:$port";
2118                 }
2119         }
2120         if ( !$errstr ) {
2121                 $expected = "VERSION ";
2122                 $response = fread( $fp, strlen( $expected ) );
2123                 if ( $response != $expected ) {
2124                         $errstr = "Didn't get correct memcached response from $host:$port";
2125                 }
2126         }
2127         if ( $fp ) {
2128                 fclose( $fp );
2129         }
2130         if ( !$errstr ) {
2131                 echo "<li>Connected to memcached on " . htmlspecialchars( "$host:$port" ) ." successfully</li>";
2132         }
2133         return $errstr;
2134 }
2135
2136 function database_picker($conf) {
2137         global $ourdb;
2138         print "\n";
2139         foreach(array_keys($ourdb) as $db) {
2140                 if ($ourdb[$db]['havedriver']) {
2141                         print "\t<li>";
2142                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
2143                         print "</li>\n";
2144                 }
2145         }
2146         print "\n\t";
2147 }
2148
2149 function database_switcher($db) {
2150         global $ourdb;
2151         $color = $ourdb[$db]['bgcolor'];
2152         $full = $ourdb[$db]['fullname'];
2153         print "<fieldset id='$db'><legend>$full specific options</legend>\n";
2154 }
2155
2156 function printListItem( $item ) {
2157         print "<li>$item</li>";
2158 }
2159
2160 # Determine a suitable value for $wgShellLocale
2161 function getShellLocale( $wikiLang ) {
2162         # Give up now if we're in safe mode or open_basedir
2163         # It's theoretically possible but tricky to work with
2164         if ( wfIniGetBool( "safe_mode" ) || ini_get( 'open_basedir' ) ) {
2165                 return false;
2166         }
2167
2168         $os = php_uname( 's' );
2169         $supported = array( 'Linux', 'SunOS', 'HP-UX' ); # Tested these
2170         if ( !in_array( $os, $supported ) ) {
2171                 return false;
2172         }
2173
2174         # Get a list of available locales
2175         $lines = $ret = false;
2176         exec( '/usr/bin/locale -a', $lines, $ret );
2177         if ( $ret ) {
2178                 return false;
2179         }
2180
2181         $lines = wfArrayMap( 'trim', $lines );
2182         $candidatesByLocale = array();
2183         $candidatesByLang = array();
2184         foreach ( $lines as $line ) {
2185                 if ( $line === '' ) {
2186                         continue;
2187                 }
2188                 if ( !preg_match( '/^([a-zA-Z]+)(_[a-zA-Z]+|)\.(utf8|UTF-8)(@[a-zA-Z_]*|)$/i', $line, $m ) ) {
2189                         continue;
2190                 }
2191                 list( $all, $lang, $territory, $charset, $modifier ) = $m;
2192                 $candidatesByLocale[$m[0]] = $m;
2193                 $candidatesByLang[$lang][] = $m;
2194         }
2195
2196         # Try the current value of LANG
2197         if ( isset( $candidatesByLocale[ getenv( 'LANG' ) ] ) ) {
2198                 return getenv( 'LANG' );
2199         }
2200
2201         # Try the most common ones
2202         $commonLocales = array( 'en_US.UTF-8', 'en_US.utf8', 'de_DE.UTF-8', 'de_DE.utf8' );
2203         foreach ( $commonLocales as $commonLocale ) {
2204                 if ( isset( $candidatesByLocale[$commonLocale] ) ) {
2205                         return $commonLocale;
2206                 }
2207         }
2208
2209         # Is there an available locale in the Wiki's language?
2210         if ( isset( $candidatesByLang[$wikiLang] ) ) {
2211                 $m = reset( $candidatesByLang[$wikiLang] );
2212                 return $m[0];
2213         }
2214
2215         # Are there any at all?
2216         if ( count( $candidatesByLocale ) ) {
2217                 $m = reset( $candidatesByLocale );
2218                 return $m[0];
2219         }
2220
2221         # Give up
2222         return false;
2223 }
2224
2225 function wfArrayMap( $function, $input ) {
2226         $ret = array_map( $function, $input );
2227         foreach ( $ret as $key => $value ) {
2228                 $taint = istainted( $input[$key] );
2229                 if ( $taint ) {
2230                         taint( $ret[$key], $taint );
2231                 }
2232         }
2233         return $ret;
2234 }
2235
2236 ?>
2237
2238         <div class="license">
2239         <hr/>
2240         <p>This program is free software; you can redistribute it and/or modify
2241          it under the terms of the GNU General Public License as published by
2242          the Free Software Foundation; either version 2 of the License, or
2243          (at your option) any later version.</p>
2244
2245          <p>This program is distributed in the hope that it will be useful,
2246          but WITHOUT ANY WARRANTY; without even the implied warranty of
2247          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2248          GNU General Public License for more details.</p>
2249
2250          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
2251          along with this program; if not, write to the Free Software
2252          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
2253          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
2254         </div>
2255
2256 </div></div></div>
2257
2258
2259 <div id="column-one">
2260         <div class="portlet" id="p-logo">
2261           <a style="background-image: url(../skins/common/images/mediawiki.png);"
2262             href="../"
2263             title="Main Page"></a>
2264         </div>
2265         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
2266         <div class='portlet'><div class='pBody'>
2267                 <ul>
2268                         <li><a href="../README">Readme</a></li>
2269                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
2270                         <li><a href="../docs/">Documentation</a></li>
2271                         <li><a href="http://www.mediawiki.org/wiki/Help:Contents">User's Guide</a></li>
2272                         <li><a href="http://www.mediawiki.org/wiki/Manual:Contents">Administrator's Guide</a></li>
2273                         <li><a href="http://www.mediawiki.org/wiki/Manual:FAQ">FAQ</a></li>
2274                 </ul>
2275                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright © 2001-2009 by Magnus Manske, Brion Vibber,
2276                  Lee Daniel Crocker, Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason, Niklas Laxström,
2277                  Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor, Aaron Schulz and others.</p>
2278         </div></div>
2279 </div>
2280
2281 </div>
2282
2283 </body>
2284 </html>