config/Installer.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 if( !defined( 'MEDIAWIKI_INSTALL' ) ) {
  23         die( 'Not an entry point.' );
  24 }
  25
  26 error_reporting( E_ALL | E_STRICT );
  27 header( "Content-type: text/html; charset=utf-8" );
  28 @ini_set( "display_errors", true );
  29
  30 # In case of errors, let output be clean.
  31 $wgRequestTime = microtime( true );
  32
  33 // Run version checks before including other files
  34 // so people don't see a scary parse error.
  35 require_once( "$IP/maintenance/install-utils.inc" );
  36 install_version_checks();
  37
  38 require_once( "$IP/includes/Defines.php" );
  39 require_once( "$IP/includes/DefaultSettings.php" );
  40 require_once( "$IP/includes/AutoLoader.php" );
  41 require_once( "$IP/includes/MagicWord.php" );
  42 require_once( "$IP/includes/Namespace.php" );
  43 require_once( "$IP/includes/ProfilerStub.php" );
  44 require_once( "$IP/includes/GlobalFunctions.php" );
  45 require_once( "$IP/includes/Hooks.php" );
  46 require_once( "$IP/includes/Exception.php" );
  47 require_once( "$IP/includes/json/Services_JSON.php" );
  48 require_once( "$IP/includes/json/FormatJson.php" );
  49
  50 # If we get an exception, the user needs to know
  51 # all the details
  52 $wgShowExceptionDetails = true;
  53 $wgShowSQLErrors = true;
  54 wfInstallExceptionHandler();
  55 ## Databases we support:
  56
  57 $ourdb = array();
  58
  59 $ourdb['mysql'] = array(
  60         'fullname'   => 'MySQL',
  61         'havedriver' => 0,
  62         'compile'    => 'mysql',
  63         'bgcolor'    => '#ffe5a7',
  64         'rootuser'   => 'root',
  65         'serverless' => false
  66 );
  67
  68 $ourdb['postgres'] = array(
  69         'fullname'   => 'PostgreSQL',
  70         'havedriver' => 0,
  71         'compile'    => 'pgsql',
  72         'bgcolor'    => '#aaccff',
  73         'rootuser'   => 'postgres',
  74         'serverless' => false
  75 );
  76
  77 $ourdb['sqlite'] = array(
  78         'fullname'   => 'SQLite',
  79         'havedriver' => 0,
  80         'compile'    => 'pdo_sqlite',
  81         'bgcolor'    => '#b1ebb1',
  82         'rootuser'   => '',
  83         'serverless' =>  true
  84 );
  85
  86 $ourdb['ibm_db2'] = array(
  87         'fullname'   => 'DB2',
  88         'havedriver' => 0,
  89         'compile'    => 'ibm_db2',
  90         'bgcolor'    => '#ffeba1',
  91         'rootuser'   => 'db2admin',
  92         'serverless' => false
  93 );
  94
  95 $ourdb['oracle'] = array(
  96         'fullname'   => 'Oracle',
  97         'havedriver' => 0,
  98         'compile'    => 'oci8',
  99         'bgcolor'    => '#ffeba1',
 100         'rootuser'   => 'sys',
 101         'serverless' => false
 102 );
 103
 104 ?>
 105 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 106 <html xmlns="http://www.w3.org/1999/xhtml" lang="en" dir="ltr">
 107 <head>
 108         <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
 109         <meta name="robots" content="noindex,nofollow"/>
 110         <title>MediaWiki <?php echo htmlspecialchars( $wgVersion ); ?> Installation</title>
 111         <style type="text/css">
 112
 113                 @import "../skins/monobook/main.css";
 114
 115                 .env-check {
 116                         font-size: 90%;
 117                         margin: 1em 0 1em 2.5em;
 118                 }
 119
 120                 .config-section {
 121                         margin-top: 2em;
 122                 }
 123
 124                 .config-section label.column {
 125                         clear: left;
 126                         font-weight: bold;
 127                         width: 13em;
 128                         float: left;
 129                         text-align: right;
 130                         padding-right: 1em;
 131                         padding-top: .2em;
 132                 }
 133
 134                 .config-input {
 135                         clear: left;
 136                         zoom: 100%; /* IE hack */
 137                 }
 138
 139                 .config-section .config-desc {
 140                         clear: left;
 141                         margin: 0 0 2em 18em;
 142                         padding-top: 1em;
 143                         font-size: 85%;
 144                 }
 145
 146                 .iput-text, .iput-password {
 147                         width: 14em;
 148                         margin-right: 1em;
 149                 }
 150
 151                 .error {
 152                         color: red;
 153                         background-color: #fff;
 154                         font-weight: bold;
 155                         left: 1em;
 156                         font-size: 100%;
 157                 }
 158
 159                 .error-top {
 160                         color: red;
 161                         background-color: #FFF0F0;
 162                         border: 2px solid red;
 163                         font-size: 130%;
 164                         font-weight: bold;
 165                         padding: 1em 1.5em;
 166                         margin: 2em 0 1em;
 167                 }
 168
 169                 ul.plain {
 170                         list-style-type: none;
 171                         list-style-image: none;
 172                         float: left;
 173                         margin: 0;
 174                         padding: 0;
 175                 }
 176
 177                 .btn-install {
 178                         font-weight: bold;
 179                         font-size: 110%;
 180                         padding: .2em .3em;
 181                 }
 182
 183                 .license {
 184                         font-size: 85%;
 185                         padding-top: 3em;
 186                 }
 187
 188                 span.success-message {
 189                         font-weight: bold;
 190                         font-size: 110%;
 191                         color: green;
 192                 }
 193
 194                 .success-box {
 195                         font-size: 130%;
 196                 }
 197
 198         </style>
 199         <script type="text/javascript">
 200         <!--
 201         <?php echo 'var databases = ' . FormatJson::encode( $ourdb ) . ';'; ?>
 202
 203         function show(id, showOrHide) {
 204                 var i = document.getElementById(id);
 205                 if (i) i.style.display = showOrHide ? 'block' : 'none';
 206         }
 207         function hideall() {
 208                 for (db in databases) {
 209                         show(db, false);
 210                 }
 211         }
 212         function toggleDBarea(id, defaultroot) {
 213                 hideall();
 214                 var dbarea = document.getElementById(id);
 215                 if (dbarea) dbarea.style.display = (dbarea.style.display == 'none') ? 'block' : 'none';
 216                 var db = document.getElementById('RootUser');
 217                 db.value = databases[id].rootuser;
 218                 show('db-server-settings1', !databases[id].serverless);
 219                 show('db-server-settings2', !databases[id].serverless);
 220         }
 221         // -->
 222         </script>
 223 </head>
 224
 225 <body>
 226 <div id="globalWrapper">
 227 <div id="column-content">
 228 <div id="content">
 229 <div id="bodyContent">
 230
 231 <h1>MediaWiki <?php print htmlspecialchars( $wgVersion ) ?> Installation</h1>
 232
 233 <?php
 234 $mainListOpened = false; # Is the main list (environement checking) opend ? Used by dieout
 235
 236 /* Check for existing configurations and bug out! */
 237
 238 if( file_exists( "../LocalSettings.php" ) ) {
 239         $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 240         dieout( "<p><strong>Setup has completed, <a href='../$script'>your wiki</a> is configured.</strong></p>
 241         <p>Please delete the /config directory for extra security.</p>" );
 242 }
 243
 244 if( file_exists( "./LocalSettings.php" ) ) {
 245         writeSuccessMessage();
 246         dieout( '' );
 247 }
 248
 249 if( !is_writable( "." ) ) {
 250         dieout( "<h2>Can't write config file, aborting</h2>
 251
 252         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 253         writable by the web server. Once configuration is done you'll move the created
 254         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 255         then remove the <tt>config</tt> subdirectory entirely.</p>
 256
 257         <p>To make the directory writable on a Unix/Linux system:</p>
 258
 259         <pre>
 260         cd <i>" . htmlspecialchars( dirname( dirname( __FILE__ ) ) ) . "</i>
 261         chmod a+w config
 262         </pre>
 263
 264         <p>Afterwards retry to start the <a href=\"\">setup</a>.</p>" );
 265 }
 266
 267
 268 require_once( "$IP/maintenance/updaters.inc" );
 269
 270 class ConfigData {
 271         function getEncoded( $data ) {
 272                 # removing latin1 support, no need...
 273                 return $data;
 274         }
 275         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 276         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 277         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 278
 279         function setSchema( $schema, $engine ) {
 280                 $this->DBschema = $schema;
 281                 if ( !preg_match( '/^\w*$/', $engine ) ){
 282                         $engine = 'InnoDB';
 283                 }
 284                 switch ( $this->DBschema ) {
 285                         case 'mysql5':
 286                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=utf8";
 287                                 $this->DBmysql5 = 'true';
 288                                 break;
 289                         case 'mysql5-binary':
 290                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=binary";
 291                                 $this->DBmysql5 = 'true';
 292                                 break;
 293                         default:
 294                                 $this->DBTableOptions = "TYPE=$engine";
 295                                 $this->DBmysql5 = 'false';
 296                 }
 297                 $this->DBengine = $engine;
 298
 299                 # Set the global for use during install
 300                 global $wgDBTableOptions;
 301                 $wgDBTableOptions = $this->DBTableOptions;
 302         }
 303 }
 304
 305 ?>
 306
 307 <ul>
 308         <li>
 309                 <b>Don't forget security updates!</b> Keep an eye on the
 310                 <a href="http://lists.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 311                 release announcements mailing list</a>.
 312         </li>
 313 </ul>
 314
 315
 316 <h2>Checking environment...</h2>
 317 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 318 <ul class="env-check">
 319 <?php
 320 $mainListOpened = true;
 321
 322 $endl = "
 323 ";
 324 define( 'MW_NO_OUTPUT_BUFFER', 1 );
 325 $conf = new ConfigData;
 326
 327 install_version_checks();
 328 $self = 'Installer'; # Maintenance script name, to please Setup.php
 329
 330 print "<li>PHP " . htmlspecialchars( phpversion() ) . " installed</li>\n";
 331
 332 error_reporting( 0 );
 333 $phpdatabases = array();
 334 foreach (array_keys($ourdb) as $db) {
 335         $compname = $ourdb[$db]['compile'];
 336         if( wfDl( $compname ) ) {
 337                 array_push($phpdatabases, $db);
 338                 $ourdb[$db]['havedriver'] = 1;
 339         }
 340 }
 341 error_reporting( E_ALL | E_STRICT );
 342
 343 if (!$phpdatabases) {
 344         print "Could not find a suitable database driver!<ul>";
 345         foreach (array_keys($ourdb) AS $db) {
 346                 $comp = $ourdb[$db]['compile'];
 347                 $full = $ourdb[$db]['fullname'];
 348                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 349                         ."or install the $comp.so module</li>\n";
 350         }
 351         echo '</ul>';
 352         dieout( '' );
 353 }
 354
 355 print "<li>Found database drivers for:";
 356 $DefaultDBtype = '';
 357 foreach (array_keys($ourdb) AS $db) {
 358         if ($ourdb[$db]['havedriver']) {
 359                 if ( $DefaultDBtype == '' ) {
 360                         $DefaultDBtype = $db;
 361                 }
 362                 print "  ".$ourdb[$db]['fullname'];
 363         }
 364 }
 365 print "</li>\n";
 366
 367 if( wfIniGetBool( "register_globals" ) ) {
 368         ?>
 369         <li>
 370                 <div style="font-size:110%">
 371                 <strong class="error">Warning:</strong>
 372                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 373                 </div>
 374                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 375         </li>
 376         <?php
 377 }
 378
 379 $fatal = false;
 380
 381 if( wfIniGetBool( "magic_quotes_runtime" ) ) {
 382         $fatal = true;
 383         ?><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>
 384         This option corrupts data input unpredictably; you cannot install or use
 385         MediaWiki unless this option is disabled.</li>
 386         <?php
 387 }
 388
 389 if( wfIniGetBool( "magic_quotes_sybase" ) ) {
 390         $fatal = true;
 391         ?><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>
 392         This option corrupts data input unpredictably; you cannot install or use
 393         MediaWiki unless this option is disabled.</li>
 394         <?php
 395 }
 396
 397 if( wfIniGetBool( "mbstring.func_overload" ) ) {
 398         $fatal = true;
 399         ?><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>
 400         This option causes errors and may corrupt data unpredictably;
 401         you cannot install or use MediaWiki unless this option is disabled.</li>
 402         <?php
 403 }
 404
 405 if( wfIniGetBool( "zend.ze1_compatibility_mode" ) ) {
 406         $fatal = true;
 407         ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
 408         This option causes horrible bugs with MediaWiki; you cannot install or use
 409         MediaWiki unless this option is disabled.</li>
 410         <?php
 411 }
 412
 413 if( $fatal ) {
 414         dieout( "Cannot install MediaWiki." );
 415 }
 416
 417 if( wfIniGetBool( "safe_mode" ) ) {
 418         $conf->safeMode = true;
 419         ?>
 420         <li><b class='error'>Warning:</b> <strong>PHP's
 421         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 422         You may have problems caused by this, particularly if using image uploads.
 423         </li>
 424         <?php
 425 } else {
 426         $conf->safeMode = false;
 427 }
 428
 429 $sapi = htmlspecialchars( php_sapi_name() );
 430 print "<li>PHP server API is $sapi; ";
 431 $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 432 if( $wgUsePathInfo ) {
 433  print "ok, using pretty URLs (<tt>$script/Page_Title</tt>)";
 434 } else {
 435         print "using ugly URLs (<tt>$script?title=Page_Title</tt>)";
 436 }
 437 print "</li>\n";
 438
 439 $conf->xml = function_exists( "utf8_encode" );
 440 if( $conf->xml ) {
 441         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 442 } else {
 443         dieout( "PHP's XML module is missing; the wiki requires functions in
 444                 this module and won't work in this configuration.
 445                 If you're running Mandrake, install the php-xml package." );
 446 }
 447
 448 # Check for session support
 449 if( !function_exists( 'session_name' ) )
 450         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 451
 452 # session.save_path doesn't *have* to be set, but if it is, and it's
 453 # not valid/writable/etc. then it can cause problems
 454 $sessionSavePath = mw_get_session_save_path();
 455 $ssp = htmlspecialchars( $sessionSavePath );
 456 # Warn the user if it's not set, but let them proceed
 457 if( !$sessionSavePath ) {
 458         print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
 459         has not been set in PHP.ini. If the default value causes problems with
 460         saving session data, set it to a valid path which is read/write/execute
 461         for the user your web server is running under.</li>";
 462 } elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
 463         # All good? Let the user know
 464         print "<li>Session save path (<tt>{$ssp}</tt>) appears to be valid.</li>";
 465 } else {
 466         # Something not right? Warn the user, but let them proceed
 467         print "<li><strong>Warning:</strong> Your <tt>session.save_path</tt> value (<tt>{$ssp}</tt>)
 468                 appears to be invalid or is not writable. PHP needs to be able to save data to
 469                 this location for correct session operation.</li>";
 470 }
 471
 472 # Check for PCRE support
 473 if( !function_exists( 'preg_match' ) )
 474         dieout( "The PCRE support module appears to be missing. MediaWiki requires the
 475         Perl-compatible regular expression functions." );
 476
 477 # The installer can take a while, and we really don't want it to time out
 478 wfSuppressWarnings();
 479 set_time_limit( 0 );
 480 wfRestoreWarnings();
 481
 482 $memlimit = ini_get( "memory_limit" );
 483 if( $memlimit == -1 ) {
 484         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 485 } else {
 486         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ). " bytes. ";
 487         $newlimit = wfMemoryLimit();
 488         $memlimit = wfShorthandToInteger( $memlimit );
 489         if( $newlimit < $memlimit ) {
 490                 print "<b>Failed raising limit, installation may fail.</b>";
 491         } elseif ( $newlimit > $memlimit )  {
 492                 print "Raised <tt>memory_limit</tt> to " . htmlspecialchars( $newlimit ) . " bytes. ";
 493         }
 494         print "</li>\n";
 495 }
 496
 497 $conf->xcache = function_exists( 'xcache_get' );
 498 if( $conf->xcache )
 499         print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>\n";
 500
 501 $conf->apc = function_exists('apc_fetch');
 502 if ($conf->apc ) {
 503         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>\n";
 504 }
 505
 506 $conf->eaccel = function_exists( 'eaccelerator_get' );
 507 if ( $conf->eaccel ) {
 508         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 509 }
 510
 511 $conf->dba = function_exists( 'dba_open' );
 512
 513 if( !( $conf->eaccel || $conf->apc || $conf->xcache ) ) {
 514         echo( '<li>Couldn\'t find <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", $wgDBserver );
 608         $conf->DBname = importPost( "DBname", $wgDBname );
 609         $conf->DBuser = importPost( "DBuser", $wgDBuser );
 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" );
 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",      $wgDBport );
 627         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 628         $conf->DBpgschema  = importPost( "DBpgschema",  "mediawiki" );
 629
 630         ## SQLite specific
 631         $conf->SQLiteDataDir = importPost( "SQLiteDataDir", "$IP/../data" );
 632
 633         ## DB2 specific:
 634         // New variable in order to have a different default port number
 635         $conf->DBport_db2   = importPost( "DBport_db2",      "50000" );
 636         $conf->DBcataloged  = importPost( "DBcataloged",  "cataloged" );
 637         $conf->DBdb2schema  = importPost( "DBdb2schema",  "mediawiki" );
 638
 639         // Oracle specific
 640         $conf->DBprefix_ora     = importPost( "DBprefix_ora" );
 641         $conf->DBdefTS_ora     = importPost( "DBdefTS_ora", "USERS" );
 642         $conf->DBtempTS_ora     = importPost( "DBtempTS_ora", "TEMP" );
 643
 644         $conf->ShellLocale = getShellLocale( $conf->LanguageCode );
 645
 646 /* Check for validity */
 647 $errs = array();
 648
 649 if( preg_match( '/^$|^mediawiki$|#/i', $conf->Sitename ) ) {
 650         $errs["Sitename"] = "Must not be blank or \"MediaWiki\" and may not contain \"#\"";
 651 }
 652 if( !$ourdb[$conf->DBtype]['serverless'] ) {
 653         if( $conf->DBuser == "" ) {
 654                 $errs["DBuser"] = "Must not be blank";
 655         }
 656         if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 657                 $errs["DBuser"] = "Username too long";
 658         }
 659         if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 660                 $errs["DBpassword"] = "Must not be blank";
 661         }
 662         if( $conf->DBpassword != $conf->DBpassword2 ) {
 663                 $errs["DBpassword2"] = "Passwords don't match!";
 664         }
 665 }
 666 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 667         $errs["DBprefix"] = "Invalid table prefix";
 668 } else {
 669         untaint( $conf->DBprefix, TC_MYSQL );
 670 }
 671 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix_ora ) ) {
 672         $errs["DBprefix_ora"] = "Invalid table prefix";
 673 }
 674
 675 error_reporting( E_ALL | E_STRICT );
 676
 677 /**
 678  * Initialise $wgLang and $wgContLang to something so we can
 679  * call case-folding methods. Per Brion, this is English for
 680  * now, although we could be clever and initialise to the
 681  * user-selected language.
 682  */
 683 $wgContLang = Language::factory( 'en' );
 684 $wgLang = $wgContLang;
 685
 686 /**
 687  * We're messing about with users, so we need a stub
 688  * authentication plugin...
 689  */
 690 $wgAuth = new AuthPlugin();
 691
 692 /**
 693  * Validate the initial administrator account; username,
 694  * password checks, etc.
 695  */
 696 if( $conf->SysopName ) {
 697         # Check that the user can be created
 698         $u = User::newFromName( $conf->SysopName );
 699         if( $u instanceof User ) {
 700                 # Various password checks
 701                 if( $conf->SysopPass != '' ) {
 702                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 703                                 if( !$u->isValidPassword( $conf->SysopPass ) ) {
 704                                         $errs['SysopPass'] = "Bad password";
 705                                 }
 706                         } else {
 707                                 $errs['SysopPass2'] = "Passwords don't match";
 708                         }
 709                 } else {
 710                         $errs['SysopPass'] = "Cannot be blank";
 711                 }
 712                 unset( $u );
 713         } else {
 714                 $errs['SysopName'] = "Bad username";
 715         }
 716 }
 717
 718 $conf->License = importRequest( "License", "none" );
 719 if( $conf->License == "gfdl1_2" ) {
 720         $conf->RightsUrl = "http://www.gnu.org/licenses/old-licenses/fdl-1.2.txt";
 721         $conf->RightsText = "GNU Free Documentation License 1.2";
 722         $conf->RightsCode = "gfdl1_2";
 723         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 724 } elseif( $conf->License == "gfdl1_3" ) {
 725         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 726         $conf->RightsText = "GNU Free Documentation License 1.3";
 727         $conf->RightsCode = "gfdl1_3";
 728         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 729 } elseif( $conf->License == "none" ) {
 730         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 731 } elseif( $conf->License == "pd" ) {
 732         $conf->RightsUrl = "http://creativecommons.org/licenses/publicdomain/";
 733         $conf->RightsText = "Public Domain";
 734         $conf->RightsCode = "pd";
 735         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/public-domain.png';
 736 } else {
 737         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 738         $conf->RightsText = importRequest( "RightsText", "" );
 739         $conf->RightsCode = importRequest( "RightsCode", "" );
 740         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 741 }
 742
 743 $conf->Shm = importRequest( "Shm", "none" );
 744 $conf->MCServers = importRequest( "MCServers" );
 745
 746 /* Test memcached servers */
 747
 748 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 749         $conf->MCServerArray = wfArrayMap( 'trim', explode( ',', $conf->MCServers ) );
 750         foreach ( $conf->MCServerArray as $server ) {
 751                 $error = testMemcachedServer( $server );
 752                 if ( $error ) {
 753                         $errs["MCServers"] = $error;
 754                         break;
 755                 }
 756         }
 757 } else if ( $conf->Shm == 'memcached' ) {
 758         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 759 }
 760
 761 /* default values for installation */
 762 $conf->Email     = importRequest("Email", "email_enabled");
 763 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 764 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 765 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 766
 767 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 768         do { /* So we can 'continue' to end prematurely */
 769                 $conf->Root = ($conf->RootPW != "");
 770
 771                 /* Load up the settings and get installin' */
 772                 $local = writeLocalSettings( $conf );
 773                 echo "<li style=\"list-style: none\">\n";
 774                 echo "<p><b>Generating configuration file...</b></p>\n";
 775                 echo "</li>\n";
 776
 777                 $wgCommandLineMode = false;
 778                 chdir( ".." );
 779                 $ok = eval( $local );
 780                 if( $ok === false ) {
 781                         dieout( "<p>Errors in generated configuration; " .
 782                                 "most likely due to a bug in the installer... " .
 783                                 "Config file was: </p>" .
 784                                 "<pre>" .
 785                                 htmlspecialchars( $local ) .
 786                                 "</pre>" );
 787                 }
 788                 $conf->DBtypename = '';
 789                 foreach (array_keys($ourdb) as $db) {
 790                         if ($conf->DBtype === $db)
 791                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 792                 }
 793                 if ( ! strlen($conf->DBtype)) {
 794                         $errs["DBpicktype"] = "Please choose a database type";
 795                         continue;
 796                 }
 797
 798                 if (! $conf->DBtypename) {
 799                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 800                         continue;
 801                 }
 802                 print "<li>Database type: " . htmlspecialchars( $conf->DBtypename ) . "</li>\n";
 803                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 804                 $wgDBtype = $conf->DBtype;
 805                 $wgDBadminuser = "root";
 806                 $wgDBadminpassword = $conf->RootPW;
 807
 808                 ## Mysql specific:
 809                 $wgDBprefix = $conf->DBprefix;
 810
 811                 ## Postgres specific:
 812                 $wgDBport      = $conf->DBport;
 813                 $wgDBts2schema = $conf->DBts2schema;
 814
 815                 if( $wgDBtype == 'postgres' ) {
 816                         $wgDBmwschema = $conf->DBpgschema;
 817                 } elseif ( $wgDBtype == 'ibm_db2' ) {
 818                         $wgDBmwschema = $conf->DBdb2schema;
 819                 }
 820
 821                 if( $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                 Language::getLocalisationCache()->disableBackend();
 835
 836                 chdir( "config" );
 837
 838                 $wgTitle = Title::newFromText( "Installation script" );
 839                 error_reporting( E_ALL | E_STRICT );
 840                 print "<li>Loading class: " . htmlspecialchars( $dbclass ) . "</li>\n";
 841                 if ( $conf->DBtype != 'sqlite' ) {
 842                         $dbc = new $dbclass;
 843                 }
 844
 845                 if( $conf->DBtype == 'mysql' ) {
 846                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 847                         if( $mysqlOldClient ) {
 848                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 849                                         using a MySQL 4.1 server and have problems connecting to the database,
 850                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 851                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 852                         }
 853                         $ok = true; # Let's be optimistic
 854
 855                         # Decide if we're going to use the superuser or the regular database user
 856                         $conf->Root = $useRoot;
 857                         if( $conf->Root ) {
 858                                 $db_user = $conf->RootUser;
 859                                 $db_pass = $conf->RootPW;
 860                         } else {
 861                                 $db_user = $wgDBuser;
 862                                 $db_pass = $wgDBpassword;
 863                         }
 864
 865                         # Attempt to connect
 866                         echo( "<li>Attempting to connect to database server as " . htmlspecialchars( $db_user ) . "..." );
 867                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 868
 869                         # Check the connection and respond to errors
 870                         if( $wgDatabase->isOpen() ) {
 871                                 # Seems OK
 872                                 $ok = true;
 873                                 $wgDBadminuser = $db_user;
 874                                 $wgDBadminpassword = $db_pass;
 875                                 echo( "success.</li>\n" );
 876                                 $wgDatabase->ignoreErrors( true );
 877                                 $myver = $wgDatabase->getServerVersion();
 878                         } else {
 879                                 # There were errors, report them and back out
 880                                 $ok = false;
 881                                 $errno = mysql_errno();
 882                                 $errtx = htmlspecialchars( mysql_error() );
 883                                 switch( $errno ) {
 884                                         case 1045:
 885                                         case 2000:
 886                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 887                                                 if( $conf->Root ) {
 888                                                         # The superuser details are wrong
 889                                                         $errs["RootUser"] = "Check username";
 890                                                         $errs["RootPW"] = "and password";
 891                                                 } else {
 892                                                         # The regular user details are wrong
 893                                                         $errs["DBuser"] = "Check username";
 894                                                         $errs["DBpassword"] = "and password";
 895                                                 }
 896                                                 break;
 897                                         case 2002:
 898                                         case 2003:
 899                                         default:
 900                                                 # General connection problem
 901                                                 echo( htmlspecialchars( "failed with error [$errno] $errtx." ) . "</li>\n" );
 902                                                 $errs["DBserver"] = "Connection failed";
 903                                                 break;
 904                                 } # switch
 905                         } #conn. att.
 906
 907                         if( !$ok ) { continue; }
 908                 }
 909                 else if( $conf->DBtype == 'ibm_db2' ) {
 910                         if( $useRoot ) {
 911                                 $db_user = $conf->RootUser;
 912                                 $db_pass = $conf->RootPW;
 913                         } else {
 914                                 $db_user = $wgDBuser;
 915                                 $db_pass = $wgDBpassword;
 916                         }
 917
 918                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
 919                                 "\" as \"" . htmlspecialchars( $db_user ) . "\"..." );
 920                         $wgDatabase = $dbc->newFromParams($wgDBserver, $db_user, $db_pass, $wgDBname, 1);
 921                         // enable extra debug messages
 922                         $dbc->setMode(DatabaseIbm_db2::INSTALL_MODE);
 923                         $wgDatabase->setMode(DatabaseIbm_db2::INSTALL_MODE);
 924
 925                         if (!$wgDatabase->isOpen()) {
 926                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 927                         } else {
 928                                 $myver = $wgDatabase->getServerVersion();
 929                         }
 930                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 931
 932                 } elseif ( $conf->DBtype == 'sqlite' ) {
 933                         $wgSQLiteDataDir = $conf->SQLiteDataDir;
 934                         echo '<li>Attempting to connect to SQLite database at "' .
 935                                 htmlspecialchars( $wgSQLiteDataDir ) . '": ';
 936                         if ( !is_dir( $wgSQLiteDataDir ) ) {
 937                                 if ( is_writable( dirname( $wgSQLiteDataDir ) ) ) {
 938                                         $ok = wfMkdirParents( $wgSQLiteDataDir, $wgSQLiteDataDirMode );
 939                                 } else {
 940                                         $ok = false;
 941                                 }
 942                                 if ( !$ok ) {
 943                                         echo "cannot create data directory</li>";
 944                                         $errs['SQLiteDataDir'] = 'Enter a valid data directory';
 945                                         continue;
 946                                 }
 947                         }
 948                         if ( !is_writable( $wgSQLiteDataDir ) ) {
 949                                 echo "data directory not writable</li>";
 950                                 $errs['SQLiteDataDir'] = 'Enter a writable data directory';
 951                                 continue;
 952                         }
 953                         $dataFile = DatabaseSqlite::generateFileName( $wgSQLiteDataDir, $wgDBname );
 954                         if ( file_exists( $dataFile ) ) {
 955                                 if ( !is_writable( $dataFile ) ) {
 956                                         echo "data file not writable</li>";
 957                                         $errs['SQLiteDataDir'] = basename( $dataFile ) . " is not writable";
 958                                         continue;
 959                                 }
 960                         } else {
 961                                 if ( file_put_contents( $dataFile, '' ) === false ) {
 962                                         echo 'could not create database file "' . htmlspecialchars( basename( $dataFile ) ) . "\"</li>\n";
 963                                         $errs['SQLiteDataDir'] = "couldn't create " . basename( $dataFile );
 964                                         continue;
 965                                 }
 966                         }
 967                         try {
 968                                 $wgDatabase = new DatabaseSqlite( false, false, false, $wgDBname, 1 );
 969                         }
 970                         catch( MWException $ex ) {
 971                                 echo 'error: ' . htmlspecialchars( $ex->getMessage() ) . "</li>\n";
 972                                 continue;
 973                         }
 974
 975                         if (!$wgDatabase->isOpen()) {
 976                                 print "error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 977                                 $errs['SQLiteDataDir'] = 'Could not connect to database';
 978                                 continue;
 979                         } else {
 980                                 $myver = $wgDatabase->getServerVersion();
 981                         }
 982                         if ( is_callable( array( $wgDatabase, 'initial_setup' ) ) ) {
 983                                 $wgDatabase->initial_setup('', $wgDBname);
 984                         }
 985                         echo "ok</li>\n";
 986                 } elseif ( $conf->DBtype == 'oracle' ) {
 987                         echo "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
 988                         $old_error_level = error_reporting();
 989                         wfSuppressWarnings();
 990                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
 991                         wfRestoreWarnings();
 992                         if (!$wgDatabase->isOpen()) {
 993                                 $ok = true;
 994                                 echo "<li>Connect failed.</li>";
 995                                 if ($useRoot) {
 996                                         if (ini_get('oci8.privileged_connect') === false) {
 997                                                 echo "<li>Privileged connect disabled, please set oci8.privileged_connect or run maintenance/ora/user.sql script manually prior to continuing.</li>";
 998                                                 $ok = false;
 999                                         } else {
1000                                                 $wgDBadminuser = $conf->RootUser;
1001                                                 $wgDBadminpassword = $conf->RootPW;
1002                                                 echo "<li>Attempting to create DB user.</li>";
1003                                                 $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBadminuser, $wgDBadminpassword, $wgDBname, 1, 64);
1004                                                 if ($wgDatabase->isOpen()) {
1005                                                         $wgDBOracleDefTS = $conf->DBdefTS_ora;
1006                                                         $wgDBOracleTempTS = $conf->DBtempTS_ora;
1007                                                         $res = $wgDatabase->sourceFile( "../maintenance/ora/user.sql"  );
1008                                                         if ($res !== true) dieout($res);
1009                                                 } else {
1010                                                         echo "<li>Invalid database superuser, please supply a valid superuser account.</li>";
1011                                                         echo "<li>ERR: ".print_r(oci_error(), true)."</li>";
1012                                                         $ok = false;
1013                                                 }
1014                                         }
1015                                 } else {
1016                                         echo "<li>Database superuser missing, please supply a valid superuser account.</li>";
1017                                         $ok = false;
1018                                 }
1019                                 if (!$ok) {
1020                                         $errs["RootUser"] = "Check username";
1021                                         $errs["RootPW"] = "and password";
1022                                 } else {
1023                                         echo "<li>Attempting to connect to database with new user \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
1024                                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
1025                                 }
1026                         }
1027                         if ($ok) {
1028                                 $myver = $wgDatabase->getServerVersion();
1029                         }
1030                 } else { # not mysql
1031                         error_reporting( E_ALL | E_STRICT );
1032                         $wgSuperUser = '';
1033                         ## Possible connect as a superuser
1034                         // Changed !mysql to postgres check since it seems to only apply to postgres
1035                         if( $useRoot && $conf->DBtype == 'postgres' ) {
1036                                 $wgDBsuperuser = $conf->RootUser;
1037                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"" .
1038                                         htmlspecialchars( $wgDBsuperuser ) . "\"..." );
1039                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
1040                                 if (!$wgDatabase->isOpen()) {
1041                                         print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1042                                         $errs["DBserver"] = "Could not connect to database as superuser";
1043                                         $errs["RootUser"] = "Check username";
1044                                         $errs["RootPW"] = "and password";
1045                                         continue;
1046                                 }
1047                                 $wgDatabase->initial_setup($conf->RootPW, 'postgres');
1048                         }
1049                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
1050                                 "\" as \"" . htmlspecialchars( $wgDBuser ) . "\"..." );
1051                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
1052                         if (!$wgDatabase->isOpen()) {
1053                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1054                                 $errs["DBserver"] = "Could not connect to database as user";
1055                                 $errs["DBuser"] = "Check username";
1056                                 $errs["DBpassword"] = "and password";
1057                                 continue;
1058                         } else {
1059                                 $myver = $wgDatabase->getServerVersion();
1060                         }
1061                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
1062                 }
1063
1064                 if ( !$wgDatabase->isOpen() ) {
1065                         $errs["DBserver"] = "Couldn't connect to database";
1066                         continue;
1067                 }
1068
1069                 print "<li>Connected to " . htmlspecialchars( "{$conf->DBtype} $myver" );
1070                 if ($conf->DBtype == 'mysql') {
1071                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
1072                                 print "</li>\n";
1073                                 dieout( "-- mysql 4.0.14 or later required. Aborting." );
1074                         }
1075                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
1076                         if( $mysqlNewAuth && $mysqlOldClient ) {
1077                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
1078                                         to old client libraries; if you have trouble with authentication, see
1079                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
1080                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
1081                         }
1082                         if( $wgDBmysql5 ) {
1083                                 if( $mysqlNewAuth ) {
1084                                         print "; enabling MySQL 4.1/5.0 charset mode";
1085                                 } else {
1086                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
1087                                                 but older version detected; will likely fail.</b>";
1088                                 }
1089                         }
1090                         print "</li>\n";
1091
1092                         @$sel = $wgDatabase->selectDB( $wgDBname );
1093                         if( $sel ) {
1094                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
1095                         } else {
1096                                 $err = mysql_errno();
1097                                 $databaseSafe = htmlspecialchars( $wgDBname );
1098                                 if( $err == 1102 /* Invalid database name */ ) {
1099                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
1100                                         continue;
1101                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
1102                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
1103                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
1104                                         continue;
1105                                 }
1106                                 print "<li>Attempting to create database...</li>";
1107                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
1108                                 if( !$res ) {
1109                                         print "<li>Couldn't create database <tt>" .
1110                                                 htmlspecialchars( $wgDBname ) .
1111                                                 "</tt>; try with root access or check your username/pass.</li>\n";
1112                                         $errs["RootPW"] = "<- Enter";
1113                                         continue;
1114                                 }
1115                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
1116                         }
1117                         $wgDatabase->selectDB( $wgDBname );
1118                 }
1119                 else if ($conf->DBtype == 'postgres') {
1120                         if( version_compare( $myver, "8.0" ) < 0 ) {
1121                                 dieout( "<b>Postgres 8.0 or later is required</b>. Aborting." );
1122                         }
1123                 }
1124
1125                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
1126                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
1127
1128                         if ( $conf->DBtype == 'mysql') {
1129                                 # Determine existing default character set
1130                                 if ( $wgDatabase->tableExists( "revision" ) ) {
1131                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
1132                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
1133                                         $row = $wgDatabase->fetchObject( $res );
1134                                         if ( !$row ) {
1135                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
1136                                                 $existingSchema = false;
1137                                                 $existingEngine = false;
1138                                         } else {
1139                                                 if ( preg_match( '/^latin1/', $row->Collation ) ) {
1140                                                         $existingSchema = 'mysql4';
1141                                                 } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
1142                                                         $existingSchema = 'mysql5';
1143                                                 } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
1144                                                         $existingSchema = 'mysql5-binary';
1145                                                 } else {
1146                                                         $existingSchema = false;
1147                                                         echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
1148                                                 }
1149                                                 if ( isset( $row->Engine ) ) {
1150                                                         $existingEngine = $row->Engine;
1151                                                 } else {
1152                                                         $existingEngine = $row->Type;
1153                                                 }
1154                                         }
1155                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
1156                                                 $encExisting = htmlspecialchars( $existingSchema );
1157                                                 $encRequested = htmlspecialchars( $conf->DBschema );
1158                                                 print "<li><strong>Warning:</strong> you requested the $encRequested schema, " .
1159                                                         "but the existing database has the $encExisting schema. This upgrade script ".
1160                                                         "can't convert it, so it will remain $encExisting.</li>\n";
1161                                                 $conf->setSchema( $existingSchema, $conf->DBengine );
1162                                         }
1163                                         if ( $existingEngine && $existingEngine != $conf->DBengine ) {
1164                                                 $encExisting = htmlspecialchars( $existingEngine );
1165                                                 $encRequested = htmlspecialchars( $conf->DBengine );
1166                                                 print "<li><strong>Warning:</strong> you requested the $encRequested storage " .
1167                                                         "engine, but the existing database uses the $encExisting engine. This upgrade " .
1168                                                         "script can't convert it, so it will remain $encExisting.</li>\n";
1169                                                 $conf->setSchema( $conf->DBschema, $existingEngine );
1170                                         }
1171                                 }
1172
1173                                 # Create user if required
1174                                 if ( $conf->Root ) {
1175                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1176                                         if ( $conn->isOpen() ) {
1177                                                 print "<li>DB user account ok</li>\n";
1178                                                 $conn->close();
1179                                         } else {
1180                                                 print "<li>Granting user permissions...";
1181                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
1182                                                         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>";
1183                                                 }
1184                                                 print "</li>\n";
1185                                                 $res = $wgDatabase->sourceFile( "../maintenance/users.sql" );
1186                                                 if ($res !== true) dieout($res);
1187                                         }
1188                                 }
1189                         }
1190                         print "</ul><pre>\n";
1191                         chdir( ".." );
1192                         flush();
1193                         do_all_updates();
1194                         chdir( "config" );
1195                         print "</pre>\n";
1196                         print "<ul><li>Finished update checks.</li>\n";
1197                 // if tables don't yet exist
1198                 } else {
1199                         # Determine available storage engines if possible
1200                         if ( $conf->DBtype == 'mysql' && version_compare( $myver, "4.1.2", "ge" ) ) {
1201                                 $res = $wgDatabase->query( 'SHOW ENGINES' );
1202                                 $found = false;
1203                                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
1204                                         if ( $row->Engine == $conf->DBengine && ( $row->Support == 'YES' || $row->Support == 'DEFAULT' ) ) {
1205                                                 $found = true;
1206                                                 break;
1207                                         }
1208                                 }
1209                                 $wgDatabase->freeResult( $res );
1210                                 if ( !$found && $conf->DBengine != 'MyISAM' ) {
1211                                         echo "<li><strong>Warning:</strong> " . htmlspecialchars( $conf->DBengine ) .
1212                                                 " storage engine not available, " .
1213                                                 "using MyISAM instead</li>\n";
1214                                         $conf->setSchema( $conf->DBschema, 'MyISAM' );
1215                                 }
1216                         }
1217
1218                         print "<li>Creating tables...";
1219                         if ($conf->DBtype == 'mysql') {
1220                                 $res = $wgDatabase->sourceFile( "../maintenance/tables.sql" );
1221                                 if ($res === true) {
1222                                         print " done.</li>\n<li>Populating interwiki table... \n";
1223                                         $res = $wgDatabase->sourceFile( "../maintenance/interwiki.sql" );
1224                                 }
1225                                 if ($res === true) {
1226                                         print " done.</li>\n";
1227                                 } else {
1228                                         print " <b>FAILED</b></li>\n";
1229                                         dieout( htmlspecialchars( $res ) );
1230                                 }
1231                         } elseif (is_callable(array($wgDatabase, 'setup_database'))) {
1232                                 $wgDatabase->setup_database();
1233                         }
1234                         else {
1235                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
1236                                 continue;
1237                         }
1238
1239
1240                         if ( $conf->DBtype == 'ibm_db2' ) {
1241                                 // Now that table creation is done, make sure everything is committed
1242                                 // Do this before doing inserts through API
1243                                 if ($wgDatabase->lastError()) {
1244                                         print "<li>Errors encountered during table creation -- rolled back</li>\n";
1245                                         $wgDatabase->rollback();
1246                                 }
1247                                 else {
1248                                         print "<li>MediaWiki tables successfully created</li>\n";
1249                                         $wgDatabase->commit();
1250                                 }
1251                         } elseif ( $conf->DBtype == 'sqlite' ) {
1252                                 // Ensure proper searchindex format. We have to do that separately because
1253                                 // if SQLite is compiled without the FTS3 module, table creation syntax will be invalid.
1254                                 sqlite_setup_searchindex();
1255                         }
1256
1257                         print "<li>Initializing statistics...</li>\n";
1258                         $wgDatabase->insert( 'site_stats',
1259                                 array ( 'ss_row_id'        => 1,
1260                                                 'ss_total_views'   => 0,
1261                                                 'ss_total_edits'   => 1, # Main page first edit
1262                                                 'ss_good_articles' => 0, # Main page is not a good article - no internal link
1263                                                 'ss_total_pages'   => 1, # Main page
1264                                                 'ss_users'         => $conf->SysopName ? 1 : 0, # Sysop account, if created
1265                                                 'ss_admins'        => $conf->SysopName ? 1 : 0, # Sysop account, if created
1266                                                 'ss_images'        => 0 ) );
1267
1268                         # Set up the "regular user" account *if we can, and if we need to*
1269                         if( $conf->Root and $conf->DBtype == 'mysql') {
1270                                 # See if we need to
1271                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1272                                 if( $wgDatabase2->isOpen() ) {
1273                                         # Nope, just close the test connection and continue
1274                                         $wgDatabase2->close();
1275                                         echo( "<li>User " . htmlspecialchars( $wgDBuser ) . " exists. Skipping grants.</li>\n" );
1276                                 } else {
1277                                         # Yes, so run the grants
1278                                         echo( "<li>" . htmlspecialchars( "Granting user permissions to $wgDBuser on $wgDBname..." ) );
1279                                         $res = $wgDatabase->sourceFile( "../maintenance/users.sql" );
1280                                         if ( $res === true ) {
1281                                                 echo( " success.</li>\n" );
1282                                         } else {
1283                                                 echo( " <b>FAILED</b>.</li>\n" );
1284                                                 dieout( $res );
1285                                         }
1286                                 }
1287                         }
1288
1289                         if( $conf->SysopName ) {
1290                                 $u = User::newFromName( $conf->getSysopName() );
1291                                 if ( !$u ) {
1292                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
1293                                 }
1294                                 else if ( 0 == $u->idForName() ) {
1295                                         $u->addToDatabase();
1296                                         $u->setPassword( $conf->getSysopPass() );
1297                                         $u->saveSettings();
1298
1299                                         $u->addGroup( "sysop" );
1300                                         $u->addGroup( "bureaucrat" );
1301
1302                                         print "<li>Created sysop account <tt>" .
1303                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
1304                                 } else {
1305                                         print "<li>Could not create user - already exists!</li>\n";
1306                                 }
1307                         } else {
1308                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
1309                         }
1310
1311                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
1312                         $article = new Article( $titleobj );
1313                         $newid = $article->insertOn( $wgDatabase );
1314                         $revision = new Revision( array(
1315                                 'page'      => $newid,
1316                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1317                                 'comment'   => '',
1318                                 'user'      => 0,
1319                                 'user_text' => 'MediaWiki default',
1320                                 ) );
1321                         $revid = $revision->insertOn( $wgDatabase );
1322                         $article->updateRevisionOn( $wgDatabase, $revision );
1323                 }
1324
1325                 /* Write out the config file now that all is well */
1326                 print "<li style=\"list-style: none\">\n";
1327                 print "<p>Creating LocalSettings.php...</p>\n\n";
1328                 $localSettings = "<" . "?php$endl$local";
1329                 // Fix up a common line-ending problem (due to CVS on Windows)
1330                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1331                 $f = fopen( "LocalSettings.php", 'xt' );
1332
1333                 if( !$f ) {
1334                         print( "</li>\n" );
1335                         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" .
1336                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1337                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1338                 }
1339                 if(fwrite( $f, $localSettings ) ) {
1340                         fclose( $f );
1341                         print "<hr/>\n";
1342                         writeSuccessMessage();
1343                         print "</li>\n";
1344                 } else {
1345                         fclose( $f );
1346                         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" );
1347                 }
1348
1349         } while( false );
1350 }
1351
1352 print "</ul>\n";
1353 $mainListOpened = false;
1354
1355 if( count( $errs ) ) {
1356         /* Display options form */
1357
1358         if( $conf->posted ) {
1359                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1360         }
1361 ?>
1362
1363 <form action="<?php echo defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php'; ?>" name="config" method="post">
1364
1365 <h2>Site config</h2>
1366
1367 <div class="config-section">
1368         <div class="config-input">
1369                 <?php aField( $conf, "Sitename", "Wiki name:" ); ?>
1370         </div>
1371         <p class="config-desc">
1372                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1373                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1374         </p>
1375         <div class="config-input"><?php aField( $conf, "EmergencyContact", "Contact e-mail:" ); ?></div>
1376         <p class="config-desc">
1377                 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.
1378         </p>
1379
1380         <div class="config-input">
1381                 <label class='column' for="LanguageCode">Language:</label>
1382                 <select id="LanguageCode" name="LanguageCode"><?php
1383                         $list = getLanguageList();
1384                         foreach( $list as $code => $name ) {
1385                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1386                                 $encCode = htmlspecialchars( $code );
1387                                 $encName = htmlspecialchars( $name );
1388                                 echo "\n\t\t<option value=\"$encCode\" $sel>$encName</option>";
1389                         }
1390                         echo "\n";
1391                 ?>
1392                 </select>
1393         </div>
1394         <p class="config-desc">
1395                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1396         </p>
1397
1398         <div class="config-input">
1399                 <label class='column'>Copyright/license:</label>
1400
1401                 <ul class="plain">
1402                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1403                 <li><?php aField( $conf, "License", "Public Domain", "radio", "pd" ); ?></li>
1404                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2", "radio", "gfdl1_2" ); ?></li>
1405                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.3", "radio", "gfdl1_3" ); ?></li>
1406                 <li><?php
1407                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1408                         $partner = "MediaWiki";
1409    $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1410                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/$script?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1411                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1412                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1413                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1414                         if( $conf->License == "cc" ) { ?>
1415                         <ul>
1416                         <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1417                         <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1418                         <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1419                         <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1420                         </ul>
1421                         <?php } ?>
1422                         </li>
1423                 </ul>
1424         </div>
1425         <p class="config-desc">
1426                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1427         </p>
1428
1429
1430         <div class="config-input">
1431                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1432         </div>
1433         <div class="config-input">
1434                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1435         </div>
1436         <div class="config-input">
1437                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1438         </div>
1439         <p class="config-desc">
1440                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1441                 A new account will be added only when creating a new wiki database.
1442                 <br /><br />
1443                 The password cannot be the same as the username.
1444         </p>
1445
1446         <div class="config-input">
1447                 <label class='column'>Object caching:</label>
1448
1449                 <ul class="plain">
1450                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1451                 <?php
1452                         if( $conf->xcache ) {
1453                                 echo "<li>";
1454                                 aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
1455                                 echo "</li>\n";
1456                         }
1457                         if ( $conf->apc ) {
1458                                 echo "<li>";
1459                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1460                                 echo "</li>\n";
1461                         }
1462                         if ( $conf->eaccel ) {
1463                                 echo "<li>";
1464                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1465                                 echo "</li>\n";
1466                         }
1467                         if ( $conf->dba ) {
1468                                 echo "<li>";
1469                                 aField( $conf, "Shm", "DBA (not recommended)", "radio", "dba" );
1470                                 echo "</li>";
1471                         }
1472                 ?>
1473                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1474                 </ul>
1475                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1476         </div>
1477         <p class="config-desc">
1478                 An object caching system such as memcached will provide a significant performance boost,
1479                 but needs to be installed. Provide the server addresses and ports in a comma-separated list.
1480                 <br /><br />
1481                 MediaWiki can also detect and support eAccelerator, APC, and XCache, but
1482                 these should not be used if the wiki will be running on multiple application servers.
1483                 <br /><br />
1484                 DBA (Berkeley-style DB) is generally slower than using no cache at all, and is only
1485                 recommended for testing.
1486         </p>
1487 </div>
1488
1489 <h2>E-mail, e-mail notification and authentication setup</h2>
1490
1491 <div class="config-section">
1492         <div class="config-input">
1493                 <label class='column'>E-mail features (global):</label>
1494                 <ul class="plain">
1495                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1496                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1497                 </ul>
1498         </div>
1499         <p class="config-desc">
1500                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1501                 if sending mail doesn't work on your server.
1502         </p>
1503
1504         <div class="config-input">
1505                 <label class='column'>User-to-user e-mail:</label>
1506                 <ul class="plain">
1507                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1508                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1509                 </ul>
1510         </div>
1511         <p class="config-desc">
1512                 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.
1513         </p>
1514         <div class="config-input">
1515                 <label class='column'>E-mail notification about changes:</label>
1516                 <ul class="plain">
1517                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1518                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1519                 <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>
1520                 </ul>
1521         </div>
1522         <div class="config-desc">
1523                 <p>
1524                 For this feature to work, an e-mail address must be present for the user account, and the notification
1525                 options in the user's preferences must be enabled. Also note the
1526                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1527
1528                 <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>
1529         </div>
1530
1531         <div class="config-input">
1532                 <label class='column'>E-mail address authentication:</label>
1533                 <ul class="plain">
1534                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1535                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1536                 </ul>
1537         </div>
1538         <div class="config-desc">
1539                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1540                 change notification mails. Setting this option is <b>recommended</b> for public wikis because of potential abuse of the e-mail features above.</p>
1541         </div>
1542
1543 </div>
1544
1545 <h2>Database config</h2>
1546
1547 <div class="config-section">
1548 <div class="config-input">
1549         <label class='column'>Database type:</label>
1550 <?php
1551         if (isset($errs['DBpicktype'])) {
1552                 print "\t<span class='error'>" . htmlspecialchars( $errs['DBpicktype'] ) . "</span>\n";
1553         }
1554 ?>
1555         <ul class='plain'><?php
1556                 database_picker($conf);
1557         ?></ul>
1558         </div>
1559
1560         <div id="db-server-settings1">
1561                 <div class="config-input" style="clear:left">
1562                 <?php aField( $conf, "DBserver", "Database host:" ); ?>
1563                 </div>
1564                 <p class="config-desc">
1565                         If your database server isn't on your web server, enter the name or IP address here.
1566                 </p>
1567         </div>
1568
1569                 <div class="config-input"><?php aField( $conf, "DBname", "Database name:" ); ?></div>
1570         <div id="db-server-settings2">
1571                 <div class="config-input"><?php aField( $conf, "DBuser", "DB username:" ); ?></div>
1572                 <div class="config-input"><?php aField( $conf, "DBpassword", "DB password:", "password" ); ?></div>
1573                 <div class="config-input"><?php aField( $conf, "DBpassword2", "DB password confirm:", "password" ); ?></div>
1574                 <p class="config-desc">
1575                         If you only have a single user account and database available,
1576                         enter those here. If you have database root access (see below)
1577                         you can specify new accounts/databases to be created. This account
1578                         will not be created if it pre-exists. If this is the case, ensure that it
1579                         has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1580                 </p>
1581
1582                 <div class="config-input">
1583                         <label class="column">Superuser account:</label>
1584                         <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?> />
1585                         &#160;<label for="useroot">Use superuser account</label>
1586                 </div>
1587                 <div class="config-input"><?php aField( $conf, "RootUser", "Superuser name:", "text" ); ?></div>
1588                 <div class="config-input"><?php aField( $conf, "RootPW", "Superuser password:", "password" ); ?></div>
1589
1590                 <p class="config-desc">
1591                         If the database user specified above does not exist, or does not have access to create
1592                         the database (if needed) or tables within it, please check the box and provide details
1593                         of a superuser account, such as <strong>root</strong>, which does.
1594                 </p>
1595         </div>
1596
1597         <?php database_switcher('mysql'); ?>
1598         <div class="config-input"><?php aField( $conf, "DBprefix", "Database table prefix:" ); ?></div>
1599         <div class="config-desc">
1600                 <p>If you need to share one database between multiple wikis, or
1601                 between MediaWiki and another web application, you may choose to
1602                 add a prefix to all the table names to avoid conflicts.</p>
1603
1604                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1605         </div>
1606
1607         <div class="config-input"><label class="column">Storage Engine</label>
1608                 <div>Select one:</div>
1609                 <ul class="plain">
1610                 <li><?php aField( $conf, "DBengine", "InnoDB", "radio", "InnoDB" ); ?></li>
1611                 <li><?php aField( $conf, "DBengine", "MyISAM", "radio", "MyISAM" ); ?></li>
1612                 </ul>
1613         </div>
1614         <p class="config-desc">
1615                 InnoDB is best for public web installations, since it has good concurrency
1616                 support. MyISAM may be faster in single-user installations. MyISAM databases
1617                 tend to get corrupted more often than InnoDB databases.
1618         </p>
1619         <div class="config-input"><label class="column">Database character set</label>
1620                 <div>Select one:</div>
1621                 <ul class="plain">
1622                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1623                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1624                 <li><?php aField( $conf, "DBschema", "MySQL 4.0 backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1625                 </ul>
1626         </div>
1627         <p class="config-desc">
1628                 This option is ignored on upgrade, the same character set will be kept.
1629                 <br /><br />
1630                 <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!.
1631                 <br /><br />
1632                 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>.
1633         </p>
1634         </fieldset>
1635
1636         <?php database_switcher('postgres'); ?>
1637         <div class="config-input"><?php aField( $conf, "DBport", "Database port:" ); ?></div>
1638         <div class="config-input"><?php aField( $conf, "DBpgschema", "Schema for mediawiki:" ); ?></div>
1639         <div class="config-input"><?php aField( $conf, "DBts2schema", "Schema for tsearch2:" ); ?></div>
1640         <div class="config-desc">
1641                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1642                 so it is recommended that you create a new user. The above schemas are generally correct:
1643         only change them if you are sure you need to.</p>
1644         </div>
1645         </fieldset>
1646
1647         <?php database_switcher('sqlite'); ?>
1648         <div class="config-input"><?php
1649                 aField( $conf, "SQLiteDataDir", "SQLite data directory:" );
1650         ?></div>
1651         <div class="config-desc">
1652                 <p>SQLite stores table data into files in the
1653                 filesystem.</p>
1654
1655                 <p>This directory must exist and be writable by the web server.</p>
1656         </div>
1657         </fieldset>
1658
1659         <?php database_switcher('ibm_db2'); ?>
1660         <div class="config-input"><?php
1661                 aField( $conf, "DBport_db2", "Database port:" );
1662         ?></div>
1663         <div class="config-input"><?php
1664                 aField( $conf, "DBdb2schema", "Schema for mediawiki:" );
1665         ?></div>
1666         <div>Select one:</div>
1667                 <ul class="plain">
1668                 <li><?php aField( $conf, "DBcataloged", "Cataloged (DB2 installed locally)", "radio", "cataloged" ); ?></li>
1669                 <li><?php aField( $conf, "DBcataloged", "Uncataloged (remote DB2 through ODBC)", "radio", "uncataloged" ); ?></li>
1670                 </ul>
1671         <div class="config-desc">
1672                 <p>If you need to share one database between multiple wikis, or
1673                 between MediaWiki and another web application, you may specify
1674                 a different schema to avoid conflicts.</p>
1675         </div>
1676         </fieldset>
1677
1678         <?php database_switcher('oracle'); ?>
1679         <div class="config-input"><?php aField( $conf, "DBprefix_ora", "Database table prefix:" ); ?></div>
1680         <div class="config-desc">
1681                 <p>If you need to share one database between multiple wikis, or
1682                 between MediaWiki and another web application, you may choose to
1683                 add a prefix to all the table names to avoid conflicts.</p>
1684
1685                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1686         </div>
1687         <div class="config-input"><?php aField( $conf, "DBdefTS_ora", "Default tablespace:" ); ?></div>
1688         <div class="config-input"><?php aField( $conf, "DBtempTS_ora", "Temporary tablespace:" ); ?></div>
1689         </fieldset>
1690
1691         <div class="config-input" style="padding:2em 0 3em">
1692                 <label class='column'>&#160;</label>
1693                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1694         </div>
1695 </div>
1696 </form>
1697 <script type="text/javascript">
1698 window.onload = toggleDBarea( <?php echo Xml::encodeJsVar( $conf->DBtype ); ?>,
1699 <?php
1700         ## If they passed in a root user name, don't populate it on page load
1701         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1702 ?>);
1703 </script>
1704 <?php
1705 }
1706
1707 /* -------------------------------------------------------------------------------------- */
1708 function writeSuccessMessage() {
1709  $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1710         if ( wfIniGetBool( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1711                 echo <<<HTML
1712 <div class="success-box">
1713 <p>Installation successful!</p>
1714 <p>To complete the installation, please do the following:
1715 <ol>
1716         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1717         <li>Upload it to the parent directory</li>
1718         <li>Delete config/LocalSettings.php</li>
1719         <li>Start using <a href='../$script'>your wiki</a>!
1720 </ol>
1721 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1722 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1723 which means that anyone on the same server can read your database password! Downloading
1724 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1725 </div>
1726 HTML;
1727         } else {
1728                 echo <<<HTML
1729 <div class="success-box">
1730 <p>
1731 <span class="success-message">Installation successful!</span>
1732 Move the <tt>config/LocalSettings.php</tt> file to the parent directory, then follow
1733 <a href="../$script"> this link</a> to your wiki.</p>
1734 <p>You should change file permissions for <tt>LocalSettings.php</tt> as required to
1735 prevent other users on the server reading passwords and altering configuration data.</p>
1736 </div>
1737 HTML;
1738         }
1739 }
1740
1741
1742 function escapePhpString( $string ) {
1743         if ( is_array( $string ) || is_object( $string ) ) {
1744                 return false;
1745         }
1746         return strtr( $string,
1747                 array(
1748                         "\n" => "\\n",
1749                         "\r" => "\\r",
1750                         "\t" => "\\t",
1751                         "\\" => "\\\\",
1752                         "\$" => "\\\$",
1753                         "\"" => "\\\""
1754                 ));
1755 }
1756
1757 function writeLocalSettings( $conf ) {
1758         $conf->PasswordSender = $conf->EmergencyContact;
1759         $magic = ($conf->ImageMagick ? "" : "# ");
1760         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1761         $rights = ($conf->RightsUrl) ? "" : "# ";
1762         $hashedUploads = $conf->safeMode ? '' : '# ';
1763         $dir = realpath( $conf->SQLiteDataDir );
1764         if ( !$dir ) {
1765                 $dir = $conf->SQLiteDataDir; // dumb realpath sometimes fails
1766         }
1767         $sqliteDataDir = escapePhpString( $dir );
1768
1769         if ( $conf->ShellLocale ) {
1770                 $locale = '';
1771         } else {
1772                 $locale = '# ';
1773                 $conf->ShellLocale = 'en_US.UTF-8';
1774         }
1775
1776         switch ( $conf->Shm ) {
1777                 case 'memcached':
1778                         $cacheType = 'CACHE_MEMCACHED';
1779                         $mcservers = var_export( $conf->MCServerArray, true );
1780                         break;
1781                 case 'xcache':
1782                 case 'apc':
1783                 case 'eaccel':
1784                         $cacheType = 'CACHE_ACCEL';
1785                         $mcservers = 'array()';
1786                         break;
1787                 case 'dba':
1788                         $cacheType = 'CACHE_DBA';
1789                         $mcservers = 'array()';
1790                         break;
1791                 default:
1792                         $cacheType = 'CACHE_NONE';
1793                         $mcservers = 'array()';
1794         }
1795
1796         if ( $conf->Email == 'email_enabled' ) {
1797                 $enableemail = 'true';
1798                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1799                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1800                 switch ( $conf->Enotif ) {
1801                         case 'enotif_usertalk':
1802                                 $enotifusertalk = 'true';
1803                                 $enotifwatchlist = 'false';
1804                                 break;
1805                         case 'enotif_allpages':
1806                                 $enotifusertalk = 'true';
1807                                 $enotifwatchlist = 'true';
1808                                 break;
1809                         default:
1810                                 $enotifusertalk = 'false';
1811                                 $enotifwatchlist = 'false';
1812                 }
1813         } else {
1814                 $enableuseremail = 'false';
1815                 $enableemail = 'false';
1816                 $eauthent = 'false';
1817                 $enotifusertalk = 'false';
1818                 $enotifwatchlist = 'false';
1819         }
1820
1821         $file = @fopen( "/dev/urandom", "r" );
1822         if ( $file ) {
1823                 $secretKey = bin2hex( fread( $file, 32 ) );
1824                 fclose( $file );
1825         } else {
1826                 $secretKey = "";
1827                 for ( $i=0; $i<8; $i++ ) {
1828                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1829                 }
1830                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1831         }
1832
1833         # Add slashes to strings for double quoting
1834         $slconf = wfArrayMap( "escapePhpString", get_object_vars( $conf ) );
1835         if( $conf->License == 'gfdl1_2' || $conf->License == 'pd' || $conf->License == 'gfdl1_3' ) {
1836                 # Needs literal string interpolation for the current style path
1837                 $slconf['RightsIcon'] = $conf->RightsIcon;
1838         }
1839
1840         if( $conf->DBtype == 'mysql' ) {
1841                 $dbsettings =
1842 "# MySQL specific settings
1843 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1844
1845 # MySQL table options to use during installation or update
1846 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1847
1848 # Experimental charset support for MySQL 4.1/5.0.
1849 \$wgDBmysql5 = {$conf->DBmysql5};";
1850         } elseif( $conf->DBtype == 'postgres' ) {
1851                 $dbsettings =
1852 "# Postgres specific settings
1853 \$wgDBport           = \"{$slconf['DBport']}\";
1854 \$wgDBmwschema       = \"{$slconf['DBpgschema']}\";
1855 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";";
1856         } elseif( $conf->DBtype == 'sqlite' ) {
1857                 $dbsettings =
1858 "# SQLite-specific settings
1859 \$wgSQLiteDataDir    = \"{$sqliteDataDir}\";";
1860         } elseif( $conf->DBtype == 'ibm_db2' ) {
1861                 $dbsettings =
1862 "# DB2 specific settings
1863 \$wgDBport_db2       = \"{$slconf['DBport_db2']}\";
1864 \$wgDBmwschema       = \"{$slconf['DBdb2schema']}\";
1865 \$wgDBcataloged      = \"{$slconf['DBcataloged']}\";";
1866         } elseif( $conf->DBtype == 'oracle' ) {
1867                 $dbsettings =
1868 "# Oracle specific settings
1869 \$wgDBprefix         = \"{$slconf['DBprefix_ora']}\";";
1870         } else {
1871                 // ummm... :D
1872                 $dbsettings = '';
1873         }
1874
1875
1876         $localsettings = "
1877 # This file was automatically generated by the MediaWiki installer.
1878 # If you make manual changes, please keep track in case you need to
1879 # recreate them later.
1880 #
1881 # See includes/DefaultSettings.php for all configurable settings
1882 # and their default values, but don't forget to make changes in _this_
1883 # file, not there.
1884 #
1885 # Further documentation for configuration settings may be found at:
1886 # http://www.mediawiki.org/wiki/Manual:Configuration_settings
1887
1888 # If you customize your file layout, set \$IP to the directory that contains
1889 # the other MediaWiki files. It will be used as a base to locate files.
1890 if( defined( 'MW_INSTALL_PATH' ) ) {
1891         \$IP = MW_INSTALL_PATH;
1892 } else {
1893         \$IP = dirname( __FILE__ );
1894 }
1895
1896 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1897 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1898
1899 require_once( \"\$IP/includes/DefaultSettings.php\" );
1900
1901 if ( \$wgCommandLineMode ) {
1902         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1903                 die( \"This script must be run from the command line\\n\" );
1904         }
1905 }
1906 ## Uncomment this to disable output compression
1907 # \$wgDisableOutputCompression = true;
1908
1909 \$wgSitename         = \"{$slconf['Sitename']}\";
1910
1911 ## The URL base path to the directory containing the wiki;
1912 ## defaults for all runtime URL paths are based off of this.
1913 ## For more information on customizing the URLs please see:
1914 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1915 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1916 \$wgScriptExtension  = \"{$slconf['ScriptExtension']}\";
1917
1918 ## The relative URL path to the skins directory
1919 \$wgStylePath        = \"\$wgScriptPath/skins\";
1920
1921 ## The relative URL path to the logo.  Make sure you change this from the default,
1922 ## or else you'll overwrite your logo when you upgrade!
1923 \$wgLogo             = \"\$wgStylePath/common/images/wiki.png\";
1924
1925 ## UPO means: this is also a user preference option
1926
1927 \$wgEnableEmail      = $enableemail;
1928 \$wgEnableUserEmail  = $enableuseremail; # UPO
1929
1930 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1931 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1932
1933 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1934 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1935 \$wgEmailAuthentication = $eauthent;
1936
1937 ## Database settings
1938 \$wgDBtype           = \"{$slconf['DBtype']}\";
1939 \$wgDBserver         = \"{$slconf['DBserver']}\";
1940 \$wgDBname           = \"{$slconf['DBname']}\";
1941 \$wgDBuser           = \"{$slconf['DBuser']}\";
1942 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1943
1944 {$dbsettings}
1945
1946 ## Shared memory settings
1947 \$wgMainCacheType = $cacheType;
1948 \$wgMemCachedServers = $mcservers;
1949
1950 ## To enable image uploads, make sure the 'images' directory
1951 ## is writable, then set this to true:
1952 \$wgEnableUploads       = false;
1953 {$magic}\$wgUseImageMagick = true;
1954 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1955
1956 ## If you use ImageMagick (or any other shell command) on a
1957 ## Linux server, this will need to be set to the name of an
1958 ## available UTF-8 locale
1959 {$locale}\$wgShellLocale = \"{$slconf['ShellLocale']}\";
1960
1961 ## If you want to use image uploads under safe mode,
1962 ## create the directories images/archive, images/thumb and
1963 ## images/temp, and make them all writable. Then uncomment
1964 ## this, if it's not already uncommented:
1965 {$hashedUploads}\$wgHashedUploadDirectory = false;
1966
1967 ## If you have the appropriate support software installed
1968 ## you can enable inline LaTeX equations:
1969 \$wgUseTeX           = false;
1970
1971 ## Set \$wgCacheDirectory to a writable directory on the web server
1972 ## to make your wiki go slightly faster. The directory should not
1973 ## be publically accessible from the web.
1974 #\$wgCacheDirectory = \"\$IP/cache\";
1975
1976 \$wgLocalInterwiki   = strtolower( \$wgSitename );
1977
1978 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1979
1980 \$wgSecretKey = \"$secretKey\";
1981
1982 ## Default skin: you can change the default skin. Use the internal symbolic
1983 ## names, ie 'vector', 'monobook':
1984 \$wgDefaultSkin = 'monobook';
1985
1986 ## For attaching licensing metadata to pages, and displaying an
1987 ## appropriate copyright notice / icon. GNU Free Documentation
1988 ## License and Creative Commons licenses are supported so far.
1989 {$rights}\$wgEnableCreativeCommonsRdf = true;
1990 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1991 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1992 \$wgRightsText = \"{$slconf['RightsText']}\";
1993 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1994 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1995
1996 \$wgDiff3 = \"{$slconf['diff3']}\";
1997
1998 # When you make changes to this configuration file, this will make
1999 # sure that cached pages are cleared.
2000 \$wgCacheEpoch = max( \$wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
2001 "; ## End of setting the $localsettings string
2002
2003         // Keep things in Unix line endings internally;
2004         // the system will write out as local text type.
2005         return str_replace( "\r\n", "\n", $localsettings );
2006 }
2007
2008 function dieout( $text ) {
2009         global $mainListOpened;
2010         if( $mainListOpened ) echo( "</ul>" );
2011         if( $text != '' && substr( $text, 0, 2 ) != '<p'  && substr( $text, 0, 2 ) != '<h' ){
2012                 echo "<p>$text</p>\n";
2013         } else {
2014                 echo $text;
2015         }
2016         die( "\n\n</div>\n</div>\n</div>\n</div>\n</body>\n</html>" );
2017 }
2018
2019 function importVar( &$var, $name, $default = "" ) {
2020         if( isset( $var[$name] ) ) {
2021                 $retval = $var[$name];
2022                 if ( get_magic_quotes_gpc() ) {
2023                         $retval = stripslashes( $retval );
2024                 }
2025         } else {
2026                 $retval = $default;
2027         }
2028         taint( $retval );
2029         return $retval;
2030 }
2031
2032 function importPost( $name, $default = "" ) {
2033         return importVar( $_POST, $name, $default );
2034 }
2035
2036 function importCheck( $name ) {
2037         return isset( $_POST[$name] );
2038 }
2039
2040 function importRequest( $name, $default = "" ) {
2041         return importVar( $_REQUEST, $name, $default );
2042 }
2043
2044 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
2045         static $radioCount = 0;
2046         if( $type != "" ) {
2047                 $xtype = "type=\"$type\"";
2048         } else {
2049                 $xtype = "";
2050         }
2051
2052         $id = $field;
2053         $nolabel = ($type == "radio") || ($type == "hidden");
2054
2055         if ($type == 'radio')
2056                 $id .= $radioCount++;
2057
2058         if( !$nolabel ) {
2059                 echo "<label class='column' for=\"$id\">$text</label>";
2060         }
2061
2062         if( $type == "radio" && $value == $conf->$field ) {
2063                 $checked = "checked='checked'";
2064         } else {
2065                 $checked = "";
2066         }
2067         echo "<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
2068         if ($onclick) {
2069                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
2070         }
2071         echo "value=\"";
2072         if( $type == "radio" ) {
2073                 echo htmlspecialchars( $value );
2074         } else {
2075                 echo htmlspecialchars( $conf->$field );
2076         }
2077
2078
2079         echo "\" />";
2080         if( $nolabel ) {
2081                 echo "<label for=\"$id\">$text</label>";
2082         }
2083
2084         global $errs;
2085         if(isset($errs[$field])) {
2086                 echo "<span class='error'>" . htmlspecialchars( $errs[$field] ) . "</span>\n";
2087         }
2088 }
2089
2090 function getLanguageList() {
2091         global $wgDummyLanguageCodes;
2092
2093         $codes = array();
2094         foreach ( Language::getLanguageNames() as $code => $name ) {
2095                 if( in_array( $code, $wgDummyLanguageCodes ) ) continue;
2096                 $codes[$code] = $code . ' - ' . $name;
2097         }
2098         ksort( $codes );
2099         return $codes;
2100 }
2101
2102 #Check for location of an executable
2103 # @param string $loc single location to check
2104 # @param array $names filenames to check for.
2105 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
2106 function locate_executable($loc, $names, $versioninfo = false) {
2107         if (!is_array($names))
2108                 $names = array($names);
2109
2110         foreach ($names as $name) {
2111                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
2112                 if (@file_exists($command)) {
2113                         if (!$versioninfo)
2114                                 return $command;
2115
2116                         $file = str_replace('$1', $command, $versioninfo[0]);
2117                         if (strstr(`$file`, $versioninfo[1]) !== false)
2118                                 return $command;
2119                 }
2120         }
2121         return false;
2122 }
2123
2124 # Test a memcached server
2125 function testMemcachedServer( $server ) {
2126         $hostport = explode(":", $server);
2127         $errstr = false;
2128         $fp = false;
2129         if ( !function_exists( 'fsockopen' ) ) {
2130                 $errstr = "Can't connect to memcached, fsockopen() not present";
2131         }
2132         if ( !$errstr && count( $hostport ) != 2 ) {
2133                 $errstr = 'Please specify host and port';
2134         }
2135         if ( !$errstr ) {
2136                 list( $host, $port ) = $hostport;
2137                 $errno = 0;
2138                 $fsockerr = '';
2139
2140                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
2141                 if ( $fp === false ) {
2142                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
2143                 }
2144         }
2145         if ( !$errstr ) {
2146                 $command = "version\r\n";
2147                 $bytes = fwrite( $fp, $command );
2148                 if ( $bytes != strlen( $command ) ) {
2149                         $errstr = "Cannot write to memcached socket on $host:$port";
2150                 }
2151         }
2152         if ( !$errstr ) {
2153                 $expected = "VERSION ";
2154                 $response = fread( $fp, strlen( $expected ) );
2155                 if ( $response != $expected ) {
2156                         $errstr = "Didn't get correct memcached response from $host:$port";
2157                 }
2158         }
2159         if ( $fp ) {
2160                 fclose( $fp );
2161         }
2162         if ( !$errstr ) {
2163                 echo "<li>Connected to memcached on " . htmlspecialchars( "$host:$port" ) ." successfully</li>";
2164         }
2165         return $errstr;
2166 }
2167
2168 function database_picker($conf) {
2169         global $ourdb;
2170         print "\n";
2171         foreach(array_keys($ourdb) as $db) {
2172                 if ($ourdb[$db]['havedriver']) {
2173                         print "\t<li>";
2174                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
2175                         print "</li>\n";
2176                 }
2177         }
2178         print "\n\t";
2179 }
2180
2181 function database_switcher($db) {
2182         global $ourdb;
2183         $color = $ourdb[$db]['bgcolor'];
2184         $full = $ourdb[$db]['fullname'];
2185         print "<fieldset id='$db' style='clear:both'><legend>$full-specific options</legend>\n";
2186 }
2187
2188 function printListItem( $item ) {
2189         print "<li>$item</li>";
2190 }
2191
2192 # Determine a suitable value for $wgShellLocale
2193 function getShellLocale( $wikiLang ) {
2194         # Give up now if we're in safe mode or open_basedir
2195         # It's theoretically possible but tricky to work with
2196         if ( wfIniGetBool( "safe_mode" ) || ini_get( 'open_basedir' ) || !function_exists('exec') ) {
2197                 return false;
2198         }
2199
2200         $os = php_uname( 's' );
2201         $supported = array( 'Linux', 'SunOS', 'HP-UX' ); # Tested these
2202         if ( !in_array( $os, $supported ) ) {
2203                 return false;
2204         }
2205
2206         # Get a list of available locales
2207         $lines = $ret = false;
2208         exec( '/usr/bin/locale -a', $lines, $ret );
2209         if ( $ret ) {
2210                 return false;
2211         }
2212
2213         $lines = wfArrayMap( 'trim', $lines );
2214         $candidatesByLocale = array();
2215         $candidatesByLang = array();
2216         foreach ( $lines as $line ) {
2217                 if ( $line === '' ) {
2218                         continue;
2219                 }
2220                 if ( !preg_match( '/^([a-zA-Z]+)(_[a-zA-Z]+|)\.(utf8|UTF-8)(@[a-zA-Z_]*|)$/i', $line, $m ) ) {
2221                         continue;
2222                 }
2223                 list( $all, $lang, $territory, $charset, $modifier ) = $m;
2224                 $candidatesByLocale[$m[0]] = $m;
2225                 $candidatesByLang[$lang][] = $m;
2226         }
2227
2228         # Try the current value of LANG
2229         if ( isset( $candidatesByLocale[ getenv( 'LANG' ) ] ) ) {
2230                 return getenv( 'LANG' );
2231         }
2232
2233         # Try the most common ones
2234         $commonLocales = array( 'en_US.UTF-8', 'en_US.utf8', 'de_DE.UTF-8', 'de_DE.utf8' );
2235         foreach ( $commonLocales as $commonLocale ) {
2236                 if ( isset( $candidatesByLocale[$commonLocale] ) ) {
2237                         return $commonLocale;
2238                 }
2239         }
2240
2241         # Is there an available locale in the Wiki's language?
2242         if ( isset( $candidatesByLang[$wikiLang] ) ) {
2243                 $m = reset( $candidatesByLang[$wikiLang] );
2244                 return $m[0];
2245         }
2246
2247         # Are there any at all?
2248         if ( count( $candidatesByLocale ) ) {
2249                 $m = reset( $candidatesByLocale );
2250                 return $m[0];
2251         }
2252
2253         # Give up
2254         return false;
2255 }
2256
2257 ?>
2258
2259         <div class="license">
2260         <hr/>
2261         <p>This program is free software; you can redistribute it and/or modify
2262          it under the terms of the GNU General Public License as published by
2263          the Free Software Foundation; either version 2 of the License, or
2264          (at your option) any later version.</p>
2265
2266          <p>This program is distributed in the hope that it will be useful,
2267          but WITHOUT ANY WARRANTY; without even the implied warranty of
2268          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2269          GNU General Public License for more details.</p>
2270
2271          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
2272          along with this program; if not, write to the Free Software
2273          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
2274          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
2275         </div>
2276
2277 </div></div></div>
2278
2279
2280 <div id="column-one">
2281         <div class="portlet" id="p-logo">
2282           <a style="background-image: url(../skins/common/images/mediawiki.png);"
2283             href="../"
2284             title="Main Page"></a>
2285         </div>
2286         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
2287         <div class='portlet'><div class='pBody'>
2288                 <ul>
2289                         <li><a href="../README">Readme</a></li>
2290                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
2291                         <li><a href="../docs/">Documentation</a></li>
2292                         <li><a href="http://www.mediawiki.org/wiki/Help:Contents">User's Guide</a></li>
2293                         <li><a href="http://www.mediawiki.org/wiki/Manual:Contents">Administrator's Guide</a></li>
2294                         <li><a href="http://www.mediawiki.org/wiki/Manual:FAQ">FAQ</a></li>
2295                 </ul>
2296                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright © 2001-2009 by Magnus Manske, Brion Vibber,
2297                  Lee Daniel Crocker, Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason, Niklas Laxström,
2298                  Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor, Aaron Schulz and others.</p>
2299         </div></div>
2300 </div>
2301
2302 </div>
2303
2304 </body>
2305 </html>