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['mssql'] = array(
  87         'fullname'   => 'MSSQL',
  88         'havedriver' => 0,
  89         'compile'    => 'mssql_not_ready', # Change to 'mssql' after includes/DatabaseMssql.php added;
  90         'bgcolor'    => '#ffc0cb',
  91         'rootuser'   => 'administrator',
  92         'serverless' => false
  93 );
  94
  95 $ourdb['ibm_db2'] = array(
  96         'fullname'   => 'DB2',
  97         'havedriver' => 0,
  98         'compile'    => 'ibm_db2',
  99         'bgcolor'    => '#ffeba1',
 100         'rootuser'   => 'db2admin',
 101         'serverless' => false
 102 );
 103
 104 $ourdb['oracle'] = array(
 105         'fullname'   => 'Oracle',
 106         'havedriver' => 0,
 107         'compile'    => 'oci8',
 108         'bgcolor'    => '#ffeba1',
 109         'rootuser'   => 'sys',
 110         'serverless' => false
 111 );
 112
 113 ?>
 114 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 115 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
 116 <head>
 117         <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
 118         <meta name="robots" content="noindex,nofollow"/>
 119         <title>MediaWiki <?php echo htmlspecialchars( $wgVersion ); ?> Installation</title>
 120         <style type="text/css">
 121
 122                 @import "../skins/monobook/main.css";
 123
 124                 .env-check {
 125                         font-size: 90%;
 126                         margin: 1em 0 1em 2.5em;
 127                 }
 128
 129                 .config-section {
 130                         margin-top: 2em;
 131                 }
 132
 133                 .config-section label.column {
 134                         clear: left;
 135                         font-weight: bold;
 136                         width: 13em;
 137                         float: left;
 138                         text-align: right;
 139                         padding-right: 1em;
 140                         padding-top: .2em;
 141                 }
 142
 143                 .config-input {
 144                         clear: left;
 145                         zoom: 100%; /* IE hack */
 146                 }
 147
 148                 .config-section .config-desc {
 149                         clear: left;
 150                         margin: 0 0 2em 18em;
 151                         padding-top: 1em;
 152                         font-size: 85%;
 153                 }
 154
 155                 .iput-text, .iput-password {
 156                         width: 14em;
 157                         margin-right: 1em;
 158                 }
 159
 160                 .error {
 161                         color: red;
 162                         background-color: #fff;
 163                         font-weight: bold;
 164                         left: 1em;
 165                         font-size: 100%;
 166                 }
 167
 168                 .error-top {
 169                         color: red;
 170                         background-color: #FFF0F0;
 171                         border: 2px solid red;
 172                         font-size: 130%;
 173                         font-weight: bold;
 174                         padding: 1em 1.5em;
 175                         margin: 2em 0 1em;
 176                 }
 177
 178                 ul.plain {
 179                         list-style-type: none;
 180                         list-style-image: none;
 181                         float: left;
 182                         margin: 0;
 183                         padding: 0;
 184                 }
 185
 186                 .btn-install {
 187                         font-weight: bold;
 188                         font-size: 110%;
 189                         padding: .2em .3em;
 190                 }
 191
 192                 .license {
 193                         font-size: 85%;
 194                         padding-top: 3em;
 195                 }
 196
 197                 span.success-message {
 198                         font-weight: bold;
 199                         font-size: 110%;
 200                         color: green;
 201                 }
 202
 203                 .success-box {
 204                         font-size: 130%;
 205                 }
 206
 207         </style>
 208         <script type="text/javascript">
 209         <!--
 210         <?php echo 'var databases = ' . FormatJson::encode( $ourdb ) . ';'; ?>
 211
 212         function show(id, showOrHide) {
 213                 var i = document.getElementById(id);
 214                 if (i) i.style.display = showOrHide ? 'block' : 'none';
 215         }
 216         function hideall() {
 217                 for (db in databases) {
 218                         show(db, false);
 219                 }
 220         }
 221         function toggleDBarea(id, defaultroot) {
 222                 hideall();
 223                 var dbarea = document.getElementById(id);
 224                 if (dbarea) dbarea.style.display = (dbarea.style.display == 'none') ? 'block' : 'none';
 225                 var db = document.getElementById('RootUser');
 226                 db.value = databases[id].rootuser;
 227                 show('db-server-settings1', !databases[id].serverless);
 228                 show('db-server-settings2', !databases[id].serverless);
 229         }
 230         // -->
 231         </script>
 232 </head>
 233
 234 <body>
 235 <div id="globalWrapper">
 236 <div id="column-content">
 237 <div id="content">
 238 <div id="bodyContent">
 239
 240 <h1>MediaWiki <?php print htmlspecialchars( $wgVersion ) ?> Installation</h1>
 241
 242 <?php
 243 $mainListOpened = false; # Is the main list (environement checking) opend ? Used by dieout
 244
 245 /* Check for existing configurations and bug out! */
 246
 247 if( file_exists( "../LocalSettings.php" ) ) {
 248         $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 249         dieout( "<p><strong>Setup has completed, <a href='../$script'>your wiki</a> is configured.</strong></p>
 250         <p>Please delete the /config directory for extra security.</p>" );
 251 }
 252
 253 if( file_exists( "./LocalSettings.php" ) ) {
 254         writeSuccessMessage();
 255         dieout( '' );
 256 }
 257
 258 if( !is_writable( "." ) ) {
 259         dieout( "<h2>Can't write config file, aborting</h2>
 260
 261         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 262         writable by the web server. Once configuration is done you'll move the created
 263         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 264         then remove the <tt>config</tt> subdirectory entirely.</p>
 265
 266         <p>To make the directory writable on a Unix/Linux system:</p>
 267
 268         <pre>
 269         cd <i>" . htmlspecialchars( dirname( dirname( __FILE__ ) ) ) . "</i>
 270         chmod a+w config
 271         </pre>
 272
 273         <p>Afterwards retry to start the <a href=\"\">setup</a>.</p>" );
 274 }
 275
 276
 277 require_once( "$IP/maintenance/updaters.inc" );
 278
 279 class ConfigData {
 280         function getEncoded( $data ) {
 281                 # removing latin1 support, no need...
 282                 return $data;
 283         }
 284         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 285         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 286         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 287
 288         function setSchema( $schema, $engine ) {
 289                 $this->DBschema = $schema;
 290                 if ( !preg_match( '/^\w*$/', $engine ) ){
 291                         $engine = 'InnoDB';
 292                 }
 293                 switch ( $this->DBschema ) {
 294                         case 'mysql5':
 295                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=utf8";
 296                                 $this->DBmysql5 = 'true';
 297                                 break;
 298                         case 'mysql5-binary':
 299                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=binary";
 300                                 $this->DBmysql5 = 'true';
 301                                 break;
 302                         default:
 303                                 $this->DBTableOptions = "TYPE=$engine";
 304                                 $this->DBmysql5 = 'false';
 305                 }
 306                 $this->DBengine = $engine;
 307
 308                 # Set the global for use during install
 309                 global $wgDBTableOptions;
 310                 $wgDBTableOptions = $this->DBTableOptions;
 311         }
 312 }
 313
 314 ?>
 315
 316 <ul>
 317         <li>
 318                 <b>Don't forget security updates!</b> Keep an eye on the
 319                 <a href="http://lists.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 320                 release announcements mailing list</a>.
 321         </li>
 322 </ul>
 323
 324
 325 <h2>Checking environment...</h2>
 326 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 327 <ul class="env-check">
 328 <?php
 329 $mainListOpened = true;
 330
 331 $endl = "
 332 ";
 333 define( 'MW_NO_OUTPUT_BUFFER', 1 );
 334 $conf = new ConfigData;
 335
 336 install_version_checks();
 337 $self = 'Installer'; # Maintenance script name, to please Setup.php
 338
 339 print "<li>PHP " . htmlspecialchars( phpversion() ) . " installed</li>\n";
 340
 341 error_reporting( 0 );
 342 $phpdatabases = array();
 343 foreach (array_keys($ourdb) as $db) {
 344         $compname = $ourdb[$db]['compile'];
 345         if( extension_loaded( $compname ) || ( mw_have_dl() && dl( "{$compname}." . PHP_SHLIB_SUFFIX ) ) ) {
 346                 array_push($phpdatabases, $db);
 347                 $ourdb[$db]['havedriver'] = 1;
 348         }
 349 }
 350 error_reporting( E_ALL | E_STRICT );
 351
 352 if (!$phpdatabases) {
 353         print "Could not find a suitable database driver!<ul>";
 354         foreach (array_keys($ourdb) AS $db) {
 355                 $comp = $ourdb[$db]['compile'];
 356                 $full = $ourdb[$db]['fullname'];
 357                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 358                         ."or install the $comp.so module</li>\n";
 359         }
 360         echo '</ul>';
 361         dieout( '' );
 362 }
 363
 364 print "<li>Found database drivers for:";
 365 $DefaultDBtype = '';
 366 foreach (array_keys($ourdb) AS $db) {
 367         if ($ourdb[$db]['havedriver']) {
 368                 if ( $DefaultDBtype == '' ) {
 369                         $DefaultDBtype = $db;
 370                 }
 371                 print "  ".$ourdb[$db]['fullname'];
 372         }
 373 }
 374 print "</li>\n";
 375
 376 if( wfIniGetBool( "register_globals" ) ) {
 377         ?>
 378         <li>
 379                 <div style="font-size:110%">
 380                 <strong class="error">Warning:</strong>
 381                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 382                 </div>
 383                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 384         </li>
 385         <?php
 386 }
 387
 388 $fatal = false;
 389
 390 if( wfIniGetBool( "magic_quotes_runtime" ) ) {
 391         $fatal = true;
 392         ?><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>
 393         This option corrupts data input unpredictably; you cannot install or use
 394         MediaWiki unless this option is disabled.</li>
 395         <?php
 396 }
 397
 398 if( wfIniGetBool( "magic_quotes_sybase" ) ) {
 399         $fatal = true;
 400         ?><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>
 401         This option corrupts data input unpredictably; you cannot install or use
 402         MediaWiki unless this option is disabled.</li>
 403         <?php
 404 }
 405
 406 if( wfIniGetBool( "mbstring.func_overload" ) ) {
 407         $fatal = true;
 408         ?><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>
 409         This option causes errors and may corrupt data unpredictably;
 410         you cannot install or use MediaWiki unless this option is disabled.</li>
 411         <?php
 412 }
 413
 414 if( wfIniGetBool( "zend.ze1_compatibility_mode" ) ) {
 415         $fatal = true;
 416         ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
 417         This option causes horrible bugs with MediaWiki; you cannot install or use
 418         MediaWiki unless this option is disabled.</li>
 419         <?php
 420 }
 421
 422 if( $fatal ) {
 423         dieout( "Cannot install MediaWiki." );
 424 }
 425
 426 if( wfIniGetBool( "safe_mode" ) ) {
 427         $conf->safeMode = true;
 428         ?>
 429         <li><b class='error'>Warning:</b> <strong>PHP's
 430         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 431         You may have problems caused by this, particularly if using image uploads.
 432         </li>
 433         <?php
 434 } else {
 435         $conf->safeMode = false;
 436 }
 437
 438 $sapi = htmlspecialchars( php_sapi_name() );
 439 print "<li>PHP server API is $sapi; ";
 440 $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 441 if( $wgUsePathInfo ) {
 442  print "ok, using pretty URLs (<tt>$script/Page_Title</tt>)";
 443 } else {
 444         print "using ugly URLs (<tt>$script?title=Page_Title</tt>)";
 445 }
 446 print "</li>\n";
 447
 448 $conf->xml = function_exists( "utf8_encode" );
 449 if( $conf->xml ) {
 450         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 451 } else {
 452         dieout( "PHP's XML module is missing; the wiki requires functions in
 453                 this module and won't work in this configuration.
 454                 If you're running Mandrake, install the php-xml package." );
 455 }
 456
 457 # Check for session support
 458 if( !function_exists( 'session_name' ) )
 459         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 460
 461 # session.save_path doesn't *have* to be set, but if it is, and it's
 462 # not valid/writable/etc. then it can cause problems
 463 $sessionSavePath = mw_get_session_save_path();
 464 $ssp = htmlspecialchars( $sessionSavePath );
 465 # Warn the user if it's not set, but let them proceed
 466 if( !$sessionSavePath ) {
 467         print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
 468         has not been set in PHP.ini. If the default value causes problems with
 469         saving session data, set it to a valid path which is read/write/execute
 470         for the user your web server is running under.</li>";
 471 } elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
 472         # All good? Let the user know
 473         print "<li>Session save path (<tt>{$ssp}</tt>) appears to be valid.</li>";
 474 } else {
 475         # Something not right? Warn the user, but let them proceed
 476         print "<li><strong>Warning:</strong> Your <tt>session.save_path</tt> value (<tt>{$ssp}</tt>)
 477                 appears to be invalid or is not writable. PHP needs to be able to save data to
 478                 this location for correct session operation.</li>";
 479 }
 480
 481 # Check for PCRE support
 482 if( !function_exists( 'preg_match' ) )
 483         dieout( "The PCRE support module appears to be missing. MediaWiki requires the
 484         Perl-compatible regular expression functions." );
 485
 486 # The installer can take a while, and we really don't want it to time out
 487 wfSuppressWarnings();
 488 set_time_limit( 0 );
 489 wfRestoreWarnings();
 490
 491 $memlimit = ini_get( "memory_limit" );
 492 if( $memlimit == -1 ) {
 493         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 494 } else {
 495         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ). " bytes. ";
 496         $newlimit = wfMemoryLimit();
 497         $memlimit = wfShorthandToInteger( $memlimit );
 498         if( $newlimit < $memlimit ) {
 499                 print "<b>Failed raising limit, installation may fail.</b>";
 500         } elseif ( $newlimit > $memlimit )  {
 501                 print "Raised <tt>memory_limit</tt> to " . htmlspecialchars( $newlimit ) . " bytes. ";
 502         }
 503         print "</li>\n";
 504 }
 505
 506 $conf->turck = function_exists( 'mmcache_get' );
 507 if ( $conf->turck ) {
 508         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 509 }
 510
 511 $conf->xcache = function_exists( 'xcache_get' );
 512 if( $conf->xcache )
 513         print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>\n";
 514
 515 $conf->apc = function_exists('apc_fetch');
 516 if ($conf->apc ) {
 517         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>\n";
 518 }
 519
 520 $conf->eaccel = function_exists( 'eaccelerator_get' );
 521 if ( $conf->eaccel ) {
 522         $conf->turck = 'eaccelerator';
 523         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 524 }
 525
 526 $conf->dba = function_exists( 'dba_open' );
 527
 528 if( !( $conf->turck || $conf->eaccel || $conf->apc || $conf->xcache ) ) {
 529         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 530                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>,
 531                 <a href="http://www.php.net/apc">APC</a> or <a href="http://trac.lighttpd.net/xcache/">XCache</a>;
 532                 cannot use these for object caching.</li>' );
 533 }
 534
 535 $conf->diff3 = false;
 536 $diff3locations = array_merge(
 537         array(
 538                 "/usr/bin",
 539                 "/usr/local/bin",
 540                 "/opt/csw/bin",
 541                 "/usr/gnu/bin",
 542                 "/usr/sfw/bin" ),
 543         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 544 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 545
 546 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 547 foreach ($diff3locations as $loc) {
 548         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 549         if ($exe !== false) {
 550                 $conf->diff3 = $exe;
 551                 break;
 552         }
 553 }
 554
 555 if ($conf->diff3)
 556         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 557 else
 558         print "<li>GNU diff3 not found.</li>";
 559
 560 $conf->ImageMagick = false;
 561 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 562 foreach( $imcheck as $dir ) {
 563         $im = "$dir/convert";
 564         if( @file_exists( $im ) ) {
 565                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 566                 $conf->ImageMagick = $im;
 567                 break;
 568         }
 569 }
 570
 571 $conf->HaveGD = function_exists( "imagejpeg" );
 572 if( $conf->HaveGD ) {
 573         print "<li>Found GD graphics library built-in";
 574         if( !$conf->ImageMagick ) {
 575                 print ", image thumbnailing will be enabled if you enable uploads";
 576         }
 577         print ".</li>\n";
 578 } else {
 579         if( !$conf->ImageMagick ) {
 580                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 581         }
 582 }
 583
 584 $conf->IP = dirname( dirname( __FILE__ ) );
 585 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 586
 587
 588 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 589 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 590 // to get the path to the current script... hopefully it's reliable. SIGH
 591 $path = ($_SERVER["PHP_SELF"] === '')
 592         ? $_SERVER["SCRIPT_NAME"]
 593         : $_SERVER["PHP_SELF"];
 594
 595 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 596 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 597
 598
 599
 600 // We may be installing from *.php5 extension file, if so, print message
 601 $conf->ScriptExtension = '.php';
 602 if (defined('MW_INSTALL_PHP5_EXT')) {
 603     $conf->ScriptExtension = '.php5';
 604     print "<li>Installing MediaWiki with <tt>php5</tt> file extensions</li>\n";
 605 } else {
 606     print "<li>Installing MediaWiki with <tt>php</tt> file extensions</li>\n";
 607 }
 608
 609
 610 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 611         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 612
 613         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 614         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 615                 ? 'root@localhost'
 616                 : $_SERVER["SERVER_ADMIN"];
 617         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 618         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 619         if ( !isset( $ourdb[$conf->DBtype] ) ) {
 620                 $conf->DBtype = $DefaultDBtype;
 621         }
 622
 623         $conf->DBserver = importPost( "DBserver", "localhost" );
 624         $conf->DBname = importPost( "DBname", "wikidb" );
 625         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 626         $conf->DBpassword = importPost( "DBpassword" );
 627         $conf->DBpassword2 = importPost( "DBpassword2" );
 628         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 629         $conf->SysopPass = importPost( "SysopPass" );
 630         $conf->SysopPass2 = importPost( "SysopPass2" );
 631         $conf->RootUser = importPost( "RootUser" );
 632         $conf->RootPW = importPost( "RootPW", "" );
 633         $useRoot = importCheck( 'useroot', false );
 634         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 635         ## MySQL specific:
 636         $conf->DBprefix     = importPost( "DBprefix" );
 637         $conf->setSchema(
 638                 importPost( "DBschema", "mysql5-binary" ),
 639                 importPost( "DBengine", "InnoDB" ) );
 640
 641         ## Postgres specific:
 642         $conf->DBport      = importPost( "DBport",      "5432" );
 643         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 644         $conf->DBpgschema  = importPost( "DBpgschema",  "mediawiki" );
 645
 646         ## SQLite specific
 647         $conf->SQLiteDataDir = importPost( "SQLiteDataDir", "$IP/../data" );
 648
 649         ## MSSQL specific
 650         // We need a second field so it doesn't overwrite the MySQL one
 651         $conf->DBprefix2 = importPost( "DBprefix2" );
 652
 653         ## DB2 specific:
 654         // New variable in order to have a different default port number
 655         $conf->DBport_db2   = importPost( "DBport_db2",      "50000" );
 656         $conf->DBcataloged  = importPost( "DBcataloged",  "cataloged" );
 657         $conf->DBdb2schema  = importPost( "DBdb2schema",  "mediawiki" );
 658
 659         // Oracle specific
 660         $conf->DBprefix_ora     = importPost( "DBprefix_ora" );
 661         $conf->DBdefTS_ora     = importPost( "DBdefTS_ora", "USERS" );
 662         $conf->DBtempTS_ora     = importPost( "DBtempTS_ora", "TEMP" );
 663
 664         $conf->ShellLocale = getShellLocale( $conf->LanguageCode );
 665
 666 /* Check for validity */
 667 $errs = array();
 668
 669 if( preg_match( '/^$|^mediawiki$|#/i', $conf->Sitename ) ) {
 670         $errs["Sitename"] = "Must not be blank or \"MediaWiki\" and may not contain \"#\"";
 671 }
 672 if( !$ourdb[$conf->DBtype]['serverless'] ) {
 673         if( $conf->DBuser == "" ) {
 674                 $errs["DBuser"] = "Must not be blank";
 675         }
 676         if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 677                 $errs["DBuser"] = "Username too long";
 678         }
 679         if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 680                 $errs["DBpassword"] = "Must not be blank";
 681         }
 682         if( $conf->DBpassword != $conf->DBpassword2 ) {
 683                 $errs["DBpassword2"] = "Passwords don't match!";
 684         }
 685 }
 686 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 687         $errs["DBprefix"] = "Invalid table prefix";
 688 } else {
 689         untaint( $conf->DBprefix, TC_MYSQL );
 690 }
 691 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix_ora ) ) {
 692         $errs["DBprefix_ora"] = "Invalid table prefix";
 693 }
 694
 695 error_reporting( E_ALL | E_STRICT );
 696
 697 /**
 698  * Initialise $wgLang and $wgContLang to something so we can
 699  * call case-folding methods. Per Brion, this is English for
 700  * now, although we could be clever and initialise to the
 701  * user-selected language.
 702  */
 703 $wgContLang = Language::factory( 'en' );
 704 $wgLang = $wgContLang;
 705
 706 /**
 707  * We're messing about with users, so we need a stub
 708  * authentication plugin...
 709  */
 710 $wgAuth = new AuthPlugin();
 711
 712 /**
 713  * Validate the initial administrator account; username,
 714  * password checks, etc.
 715  */
 716 if( $conf->SysopName ) {
 717         # Check that the user can be created
 718         $u = User::newFromName( $conf->SysopName );
 719         if( $u instanceof User ) {
 720                 # Various password checks
 721                 if( $conf->SysopPass != '' ) {
 722                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 723                                 if( !$u->isValidPassword( $conf->SysopPass ) ) {
 724                                         $errs['SysopPass'] = "Bad password";
 725                                 }
 726                         } else {
 727                                 $errs['SysopPass2'] = "Passwords don't match";
 728                         }
 729                 } else {
 730                         $errs['SysopPass'] = "Cannot be blank";
 731                 }
 732                 unset( $u );
 733         } else {
 734                 $errs['SysopName'] = "Bad username";
 735         }
 736 }
 737
 738 $conf->License = importRequest( "License", "none" );
 739 if( $conf->License == "gfdl1_2" ) {
 740         $conf->RightsUrl = "http://www.gnu.org/licenses/old-licenses/fdl-1.2.txt";
 741         $conf->RightsText = "GNU Free Documentation License 1.2";
 742         $conf->RightsCode = "gfdl1_2";
 743         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 744 } elseif( $conf->License == "gfdl1_3" ) {
 745         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 746         $conf->RightsText = "GNU Free Documentation License 1.3";
 747         $conf->RightsCode = "gfdl1_3";
 748         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 749 } elseif( $conf->License == "none" ) {
 750         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 751 } elseif( $conf->License == "pd" ) {
 752         $conf->RightsUrl = "http://creativecommons.org/licenses/publicdomain/";
 753         $conf->RightsText = "Public Domain";
 754         $conf->RightsCode = "pd";
 755         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/public-domain.png';
 756 } else {
 757         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 758         $conf->RightsText = importRequest( "RightsText", "" );
 759         $conf->RightsCode = importRequest( "RightsCode", "" );
 760         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 761 }
 762
 763 $conf->Shm = importRequest( "Shm", "none" );
 764 $conf->MCServers = importRequest( "MCServers" );
 765
 766 /* Test memcached servers */
 767
 768 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 769         $conf->MCServerArray = wfArrayMap( 'trim', explode( ',', $conf->MCServers ) );
 770         foreach ( $conf->MCServerArray as $server ) {
 771                 $error = testMemcachedServer( $server );
 772                 if ( $error ) {
 773                         $errs["MCServers"] = $error;
 774                         break;
 775                 }
 776         }
 777 } else if ( $conf->Shm == 'memcached' ) {
 778         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 779 }
 780
 781 /* default values for installation */
 782 $conf->Email     = importRequest("Email", "email_enabled");
 783 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 784 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 785 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 786
 787 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 788         do { /* So we can 'continue' to end prematurely */
 789                 $conf->Root = ($conf->RootPW != "");
 790
 791                 /* Load up the settings and get installin' */
 792                 $local = writeLocalSettings( $conf );
 793                 echo "<li style=\"list-style: none\">\n";
 794                 echo "<p><b>Generating configuration file...</b></p>\n";
 795                 echo "</li>\n";
 796
 797                 $wgCommandLineMode = false;
 798                 chdir( ".." );
 799                 $ok = eval( $local );
 800                 if( $ok === false ) {
 801                         dieout( "<p>Errors in generated configuration; " .
 802                                 "most likely due to a bug in the installer... " .
 803                                 "Config file was: </p>" .
 804                                 "<pre>" .
 805                                 htmlspecialchars( $local ) .
 806                                 "</pre>" );
 807                 }
 808                 $conf->DBtypename = '';
 809                 foreach (array_keys($ourdb) as $db) {
 810                         if ($conf->DBtype === $db)
 811                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 812                 }
 813                 if ( ! strlen($conf->DBtype)) {
 814                         $errs["DBpicktype"] = "Please choose a database type";
 815                         continue;
 816                 }
 817
 818                 if (! $conf->DBtypename) {
 819                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 820                         continue;
 821                 }
 822                 print "<li>Database type: " . htmlspecialchars( $conf->DBtypename ) . "</li>\n";
 823                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 824                 $wgDBtype = $conf->DBtype;
 825                 $wgDBadminuser = "root";
 826                 $wgDBadminpassword = $conf->RootPW;
 827
 828                 ## Mysql specific:
 829                 $wgDBprefix = $conf->DBprefix;
 830
 831                 ## Postgres specific:
 832                 $wgDBport      = $conf->DBport;
 833                 $wgDBts2schema = $conf->DBts2schema;
 834
 835                 if( $wgDBtype == 'postgres' ) {
 836                         $wgDBmwschema = $conf->DBpgschema;
 837                 } elseif ( $wgDBtype == 'ibm_db2' ) {
 838                         $wgDBmwschema = $conf->DBdb2schema;
 839                 }
 840
 841                 if( $conf->DBprefix2 != '' ) {
 842                         // For MSSQL
 843                         $wgDBprefix = $conf->DBprefix2;
 844                 } elseif( $conf->DBprefix_ora != '' ) {
 845                         // For Oracle
 846                         $wgDBprefix = $conf->DBprefix_ora;
 847                 }
 848
 849                 ## DB2 specific:
 850                 $wgDBcataloged = $conf->DBcataloged;
 851
 852                 $wgCommandLineMode = true;
 853                 if (! defined ( 'STDERR' ) )
 854                         define( 'STDERR', fopen("php://stderr", "wb"));
 855                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 856                 require_once( "$IP/includes/Setup.php" );
 857                 Language::getLocalisationCache()->disableBackend();
 858
 859                 chdir( "config" );
 860
 861                 $wgTitle = Title::newFromText( "Installation script" );
 862                 error_reporting( E_ALL | E_STRICT );
 863                 print "<li>Loading class: " . htmlspecialchars( $dbclass ) . "</li>\n";
 864                 if ( $conf->DBtype != 'sqlite' ) {
 865                         $dbc = new $dbclass;
 866                 }
 867
 868                 if( $conf->DBtype == 'mysql' ) {
 869                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 870                         if( $mysqlOldClient ) {
 871                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 872                                         using a MySQL 4.1 server and have problems connecting to the database,
 873                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 874                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 875                         }
 876                         $ok = true; # Let's be optimistic
 877
 878                         # Decide if we're going to use the superuser or the regular database user
 879                         $conf->Root = $useRoot;
 880                         if( $conf->Root ) {
 881                                 $db_user = $conf->RootUser;
 882                                 $db_pass = $conf->RootPW;
 883                         } else {
 884                                 $db_user = $wgDBuser;
 885                                 $db_pass = $wgDBpassword;
 886                         }
 887
 888                         # Attempt to connect
 889                         echo( "<li>Attempting to connect to database server as " . htmlspecialchars( $db_user ) . "..." );
 890                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 891
 892                         # Check the connection and respond to errors
 893                         if( $wgDatabase->isOpen() ) {
 894                                 # Seems OK
 895                                 $ok = true;
 896                                 $wgDBadminuser = $db_user;
 897                                 $wgDBadminpassword = $db_pass;
 898                                 echo( "success.</li>\n" );
 899                                 $wgDatabase->ignoreErrors( true );
 900                                 $myver = $wgDatabase->getServerVersion();
 901                         } else {
 902                                 # There were errors, report them and back out
 903                                 $ok = false;
 904                                 $errno = mysql_errno();
 905                                 $errtx = htmlspecialchars( mysql_error() );
 906                                 switch( $errno ) {
 907                                         case 1045:
 908                                         case 2000:
 909                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 910                                                 if( $conf->Root ) {
 911                                                         # The superuser details are wrong
 912                                                         $errs["RootUser"] = "Check username";
 913                                                         $errs["RootPW"] = "and password";
 914                                                 } else {
 915                                                         # The regular user details are wrong
 916                                                         $errs["DBuser"] = "Check username";
 917                                                         $errs["DBpassword"] = "and password";
 918                                                 }
 919                                                 break;
 920                                         case 2002:
 921                                         case 2003:
 922                                         default:
 923                                                 # General connection problem
 924                                                 echo( htmlspecialchars( "failed with error [$errno] $errtx." ) . "</li>\n" );
 925                                                 $errs["DBserver"] = "Connection failed";
 926                                                 break;
 927                                 } # switch
 928                         } #conn. att.
 929
 930                         if( !$ok ) { continue; }
 931                 }
 932                 else if( $conf->DBtype == 'ibm_db2' ) {
 933                         if( $useRoot ) {
 934                                 $db_user = $conf->RootUser;
 935                                 $db_pass = $conf->RootPW;
 936                         } else {
 937                                 $db_user = $wgDBuser;
 938                                 $db_pass = $wgDBpassword;
 939                         }
 940
 941                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
 942                                 "\" as \"" . htmlspecialchars( $db_user ) . "\"..." );
 943                         $wgDatabase = $dbc->newFromParams($wgDBserver, $db_user, $db_pass, $wgDBname, 1);
 944                         // enable extra debug messages
 945                         $dbc->setMode(DatabaseIbm_db2::INSTALL_MODE);
 946                         $wgDatabase->setMode(DatabaseIbm_db2::INSTALL_MODE);
 947
 948                         if (!$wgDatabase->isOpen()) {
 949                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 950                         } else {
 951                                 $myver = $wgDatabase->getServerVersion();
 952                         }
 953                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 954
 955                 } elseif ( $conf->DBtype == 'sqlite' ) {
 956                         $wgSQLiteDataDir = $conf->SQLiteDataDir;
 957                         echo '<li>Attempting to connect to SQLite database at "' .
 958                                 htmlspecialchars( $wgSQLiteDataDir ) . '": ';
 959                         if ( !is_dir( $wgSQLiteDataDir ) ) {
 960                                 if ( is_writable( dirname( $wgSQLiteDataDir ) ) ) {
 961                                         $ok = wfMkdirParents( $wgSQLiteDataDir, $wgSQLiteDataDirMode );
 962                                 } else {
 963                                         $ok = false;
 964                                 }
 965                                 if ( !$ok ) {
 966                                         echo "cannot create data directory</li>";
 967                                         $errs['SQLiteDataDir'] = 'Enter a valid data directory';
 968                                         continue;
 969                                 }
 970                         }
 971                         if ( !is_writable( $wgSQLiteDataDir ) ) {
 972                                 echo "data directory not writable</li>";
 973                                 $errs['SQLiteDataDir'] = 'Enter a writable data directory';
 974                                 continue;
 975                         }
 976                         $dataFile = DatabaseSqlite::generateFileName( $wgSQLiteDataDir, $wgDBname );
 977                         if ( file_exists( $dataFile ) ) {
 978                                 if ( !is_writable( $dataFile ) ) {
 979                                         echo "data file not writable</li>";
 980                                         $errs['SQLiteDataDir'] = basename( $dataFile ) . " is not writable";
 981                                         continue;
 982                                 }
 983                         } else {
 984                                 if ( file_put_contents( $dataFile, '' ) === false ) {
 985                                         echo 'could not create database file "' . htmlspecialchars( basename( $dataFile ) ) . "\"</li>\n";
 986                                         $errs['SQLiteDataDir'] = "couldn't create " . basename( $dataFile );
 987                                         continue;
 988                                 }
 989                         }
 990                         try {
 991                                 $wgDatabase = new DatabaseSqlite( false, false, false, $wgDBname, 1 );
 992                         }
 993                         catch( MWException $ex ) {
 994                                 echo 'error: ' . htmlspecialchars( $ex->getMessage() ) . "</li>\n";
 995                                 continue;
 996                         }
 997
 998                         if (!$wgDatabase->isOpen()) {
 999                                 print "error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1000                                 $errs['SQLiteDataDir'] = 'Could not connect to database';
1001                                 continue;
1002                         } else {
1003                                 $myver = $wgDatabase->getServerVersion();
1004                         }
1005                         if ( is_callable( array( $wgDatabase, 'initial_setup' ) ) ) {
1006                                 $wgDatabase->initial_setup('', $wgDBname);
1007                         }
1008                         echo "ok</li>\n";
1009                 } elseif ( $conf->DBtype == 'oracle' ) {
1010                         echo "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
1011                         $old_error_level = error_reporting();
1012                         wfSuppressWarnings();
1013                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
1014                         wfRestoreWarnings();
1015                         if (!$wgDatabase->isOpen()) {
1016                                 $ok = true;
1017                                 echo "<li>Connect failed.</li>";
1018                                 if ($useRoot) {
1019                                         if (ini_get('oci8.privileged_connect') === false) {
1020                                                 echo "<li>Privileged connect disabled, please set oci8.privileged_connect or run maintenance/ora/user.sql script manually prior to continuing.</li>";
1021                                                 $ok = false;
1022                                         } else {
1023                                                 $wgDBadminuser = $conf->RootUser;
1024                                                 $wgDBadminpassword = $conf->RootPW;
1025                                                 echo "<li>Attempting to create DB user.</li>";
1026                                                 $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBadminuser, $wgDBadminpassword, $wgDBname, 1, 64);
1027                                                 if ($wgDatabase->isOpen()) {
1028                                                         $wgDBOracleDefTS = $conf->DBdefTS_ora;
1029                                                         $wgDBOracleTempTS = $conf->DBtempTS_ora;
1030                                                         $wgDatabase->sourceFile( "../maintenance/ora/user.sql"  );
1031                                                 } else {
1032                                                         echo "<li>Invalid database superuser, please supply a valid superuser account.</li>";
1033                                                         echo "<li>ERR: ".print_r(oci_error(), true)."</li>";
1034                                                         $ok = false;
1035                                                 }
1036                                         }
1037                                 } else {
1038                                         echo "<li>Database superuser missing, please supply a valid superuser account.</li>";
1039                                         $ok = false;
1040                                 }
1041                                 if (!$ok) {
1042                                         $errs["RootUser"] = "Check username";
1043                                         $errs["RootPW"] = "and password";
1044                                 } else {
1045                                         echo "<li>Attempting to connect to database with new user \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
1046                                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
1047                                 }
1048                         }
1049                         if ($ok) {
1050                                 $myver = $wgDatabase->getServerVersion();
1051                         }
1052                 } else { # not mysql
1053                         error_reporting( E_ALL | E_STRICT );
1054                         $wgSuperUser = '';
1055                         ## Possible connect as a superuser
1056                         // Changed !mysql to postgres check since it seems to only apply to postgres
1057                         if( $useRoot && $conf->DBtype == 'postgres' ) {
1058                                 $wgDBsuperuser = $conf->RootUser;
1059                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"" .
1060                                         htmlspecialchars( $wgDBsuperuser ) . "\"..." );
1061                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
1062                                 if (!$wgDatabase->isOpen()) {
1063                                         print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1064                                         $errs["DBserver"] = "Could not connect to database as superuser";
1065                                         $errs["RootUser"] = "Check username";
1066                                         $errs["RootPW"] = "and password";
1067                                         continue;
1068                                 }
1069                                 $wgDatabase->initial_setup($conf->RootPW, 'postgres');
1070                         }
1071                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
1072                                 "\" as \"" . htmlspecialchars( $wgDBuser ) . "\"..." );
1073                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
1074                         if (!$wgDatabase->isOpen()) {
1075                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1076                                 $errs["DBserver"] = "Could not connect to database as user";
1077                                 $errs["DBuser"] = "Check username";
1078                                 $errs["DBpassword"] = "and password";
1079                                 continue;
1080                         } else {
1081                                 $myver = $wgDatabase->getServerVersion();
1082                         }
1083                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
1084                 }
1085
1086                 if ( !$wgDatabase->isOpen() ) {
1087                         $errs["DBserver"] = "Couldn't connect to database";
1088                         continue;
1089                 }
1090
1091                 print "<li>Connected to " . htmlspecialchars( "{$conf->DBtype} $myver" );
1092                 if ($conf->DBtype == 'mysql') {
1093                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
1094                                 print "</li>\n";
1095                                 dieout( "-- mysql 4.0.14 or later required. Aborting." );
1096                         }
1097                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
1098                         if( $mysqlNewAuth && $mysqlOldClient ) {
1099                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
1100                                         to old client libraries; if you have trouble with authentication, see
1101                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
1102                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
1103                         }
1104                         if( $wgDBmysql5 ) {
1105                                 if( $mysqlNewAuth ) {
1106                                         print "; enabling MySQL 4.1/5.0 charset mode";
1107                                 } else {
1108                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
1109                                                 but older version detected; will likely fail.</b>";
1110                                 }
1111                         }
1112                         print "</li>\n";
1113
1114                         @$sel = $wgDatabase->selectDB( $wgDBname );
1115                         if( $sel ) {
1116                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
1117                         } else {
1118                                 $err = mysql_errno();
1119                                 $databaseSafe = htmlspecialchars( $wgDBname );
1120                                 if( $err == 1102 /* Invalid database name */ ) {
1121                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
1122                                         continue;
1123                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
1124                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
1125                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
1126                                         continue;
1127                                 }
1128                                 print "<li>Attempting to create database...</li>";
1129                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
1130                                 if( !$res ) {
1131                                         print "<li>Couldn't create database <tt>" .
1132                                                 htmlspecialchars( $wgDBname ) .
1133                                                 "</tt>; try with root access or check your username/pass.</li>\n";
1134                                         $errs["RootPW"] = "<- Enter";
1135                                         continue;
1136                                 }
1137                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
1138                         }
1139                         $wgDatabase->selectDB( $wgDBname );
1140                 }
1141                 else if ($conf->DBtype == 'postgres') {
1142                         if( version_compare( $myver, "8.0" ) < 0 ) {
1143                                 dieout( "<b>Postgres 8.0 or later is required</b>. Aborting." );
1144                         }
1145                 }
1146
1147                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
1148                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
1149
1150                         if ( $conf->DBtype == 'mysql') {
1151                                 # Determine existing default character set
1152                                 if ( $wgDatabase->tableExists( "revision" ) ) {
1153                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
1154                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
1155                                         $row = $wgDatabase->fetchObject( $res );
1156                                         if ( !$row ) {
1157                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
1158                                                 $existingSchema = false;
1159                                                 $existingEngine = false;
1160                                         } else {
1161                                                 if ( preg_match( '/^latin1/', $row->Collation ) ) {
1162                                                         $existingSchema = 'mysql4';
1163                                                 } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
1164                                                         $existingSchema = 'mysql5';
1165                                                 } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
1166                                                         $existingSchema = 'mysql5-binary';
1167                                                 } else {
1168                                                         $existingSchema = false;
1169                                                         echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
1170                                                 }
1171                                                 if ( isset( $row->Engine ) ) {
1172                                                         $existingEngine = $row->Engine;
1173                                                 } else {
1174                                                         $existingEngine = $row->Type;
1175                                                 }
1176                                         }
1177                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
1178                                                 $encExisting = htmlspecialchars( $existingSchema );
1179                                                 $encRequested = htmlspecialchars( $conf->DBschema );
1180                                                 print "<li><strong>Warning:</strong> you requested the $encRequested schema, " .
1181                                                         "but the existing database has the $encExisting schema. This upgrade script ".
1182                                                         "can't convert it, so it will remain $encExisting.</li>\n";
1183                                                 $conf->setSchema( $existingSchema, $conf->DBengine );
1184                                         }
1185                                         if ( $existingEngine && $existingEngine != $conf->DBengine ) {
1186                                                 $encExisting = htmlspecialchars( $existingEngine );
1187                                                 $encRequested = htmlspecialchars( $conf->DBengine );
1188                                                 print "<li><strong>Warning:</strong> you requested the $encRequested storage " .
1189                                                         "engine, but the existing database uses the $encExisting engine. This upgrade " .
1190                                                         "script can't convert it, so it will remain $encExisting.</li>\n";
1191                                                 $conf->setSchema( $conf->DBschema, $existingEngine );
1192                                         }
1193                                 }
1194
1195                                 # Create user if required
1196                                 if ( $conf->Root ) {
1197                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1198                                         if ( $conn->isOpen() ) {
1199                                                 print "<li>DB user account ok</li>\n";
1200                                                 $conn->close();
1201                                         } else {
1202                                                 print "<li>Granting user permissions...";
1203                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
1204                                                         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>";
1205                                                 }
1206                                                 print "</li>\n";
1207                                                 $wgDatabase->sourceFile( "../maintenance/users.sql" );
1208                                         }
1209                                 }
1210                         }
1211                         print "</ul><pre>\n";
1212                         chdir( ".." );
1213                         flush();
1214                         do_all_updates();
1215                         chdir( "config" );
1216                         print "</pre>\n";
1217                         print "<ul><li>Finished update checks.</li>\n";
1218                 // if tables don't yet exist
1219                 } else {
1220                         # Determine available storage engines if possible
1221                         if ( $conf->DBtype == 'mysql' && version_compare( $myver, "4.1.2", "ge" ) ) {
1222                                 $res = $wgDatabase->query( 'SHOW ENGINES' );
1223                                 $found = false;
1224                                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
1225                                         if ( $row->Engine == $conf->DBengine && ( $row->Support == 'YES' || $row->Support == 'DEFAULT' ) ) {
1226                                                 $found = true;
1227                                                 break;
1228                                         }
1229                                 }
1230                                 $wgDatabase->freeResult( $res );
1231                                 if ( !$found && $conf->DBengine != 'MyISAM' ) {
1232                                         echo "<li><strong>Warning:</strong> " . htmlspecialchars( $conf->DBengine ) .
1233                                                 " storage engine not available, " .
1234                                                 "using MyISAM instead</li>\n";
1235                                         $conf->setSchema( $conf->DBschema, 'MyISAM' );
1236                                 }
1237                         }
1238
1239                         # FIXME: Check for errors
1240                         print "<li>Creating tables...";
1241                         if ($conf->DBtype == 'mysql') {
1242                                 $wgDatabase->sourceFile( "../maintenance/tables.sql" );
1243                                 $wgDatabase->sourceFile( "../maintenance/interwiki.sql" );
1244                         } elseif (is_callable(array($wgDatabase, 'setup_database'))) {
1245                                 $wgDatabase->setup_database();
1246                         }
1247                         else {
1248                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
1249                                 continue;
1250                         }
1251
1252                         print " done.</li>\n";
1253
1254
1255                         if ( $conf->DBtype == 'ibm_db2' ) {
1256                                 // Now that table creation is done, make sure everything is committed
1257                                 // Do this before doing inserts through API
1258                                 if ($wgDatabase->lastError()) {
1259                                         print "<li>Errors encountered during table creation -- rolled back</li>\n";
1260                                         $wgDatabase->rollback();
1261                                 }
1262                                 else {
1263                                         print "<li>MediaWiki tables successfully created</li>\n";
1264                                         $wgDatabase->commit();
1265                                 }
1266                         } elseif ( $conf->DBtype == 'sqlite' ) {
1267                                 // Ensure proper searchindex format. We have to do that separately because
1268                                 // if SQLite is compiled without the FTS3 module, table creation syntax will be invalid.
1269                                 sqlite_setup_searchindex();
1270                         }
1271
1272                         print "<li>Initializing statistics...</li>\n";
1273                         $wgDatabase->insert( 'site_stats',
1274                                 array ( 'ss_row_id'        => 1,
1275                                                 'ss_total_views'   => 0,
1276                                                 'ss_total_edits'   => 1, # Main page first edit
1277                                                 'ss_good_articles' => 0, # Main page is not a good article - no internal link
1278                                                 'ss_total_pages'   => 1, # Main page
1279                                                 'ss_users'         => $conf->SysopName ? 1 : 0, # Sysop account, if created
1280                                                 'ss_admins'        => $conf->SysopName ? 1 : 0, # Sysop account, if created
1281                                                 'ss_images'        => 0 ) );
1282
1283                         # Set up the "regular user" account *if we can, and if we need to*
1284                         if( $conf->Root and $conf->DBtype == 'mysql') {
1285                                 # See if we need to
1286                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1287                                 if( $wgDatabase2->isOpen() ) {
1288                                         # Nope, just close the test connection and continue
1289                                         $wgDatabase2->close();
1290                                         echo( "<li>User " . htmlspecialchars( $wgDBuser ) . " exists. Skipping grants.</li>\n" );
1291                                 } else {
1292                                         # Yes, so run the grants
1293                                         echo( "<li>" . htmlspecialchars( "Granting user permissions to $wgDBuser on $wgDBname..." ) );
1294                                         $wgDatabase->sourceFile( "../maintenance/users.sql" );
1295                                         echo( "success.</li>\n" );
1296                                 }
1297                         }
1298
1299                         if( $conf->SysopName ) {
1300                                 $u = User::newFromName( $conf->getSysopName() );
1301                                 if ( !$u ) {
1302                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
1303                                 }
1304                                 else if ( 0 == $u->idForName() ) {
1305                                         $u->addToDatabase();
1306                                         $u->setPassword( $conf->getSysopPass() );
1307                                         $u->saveSettings();
1308
1309                                         $u->addGroup( "sysop" );
1310                                         $u->addGroup( "bureaucrat" );
1311
1312                                         print "<li>Created sysop account <tt>" .
1313                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
1314                                 } else {
1315                                         print "<li>Could not create user - already exists!</li>\n";
1316                                 }
1317                         } else {
1318                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
1319                         }
1320
1321                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
1322                         $article = new Article( $titleobj );
1323                         $newid = $article->insertOn( $wgDatabase );
1324                         $revision = new Revision( array(
1325                                 'page'      => $newid,
1326                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1327                                 'comment'   => '',
1328                                 'user'      => 0,
1329                                 'user_text' => 'MediaWiki default',
1330                                 ) );
1331                         $revid = $revision->insertOn( $wgDatabase );
1332                         $article->updateRevisionOn( $wgDatabase, $revision );
1333                 }
1334
1335                 /* Write out the config file now that all is well */
1336                 print "<li style=\"list-style: none\">\n";
1337                 print "<p>Creating LocalSettings.php...</p>\n\n";
1338                 $localSettings = "<" . "?php$endl$local";
1339                 // Fix up a common line-ending problem (due to CVS on Windows)
1340                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1341                 $f = fopen( "LocalSettings.php", 'xt' );
1342
1343                 if( $f == false ) {
1344                         print( "</li>\n" );
1345                         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" .
1346                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1347                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1348                 }
1349                 if(fwrite( $f, $localSettings ) ) {
1350                         fclose( $f );
1351                         print "<hr/>\n";
1352                         writeSuccessMessage();
1353                         print "</li>\n";
1354                 } else {
1355                         fclose( $f );
1356                         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" );
1357                 }
1358
1359         } while( false );
1360 }
1361
1362 print "</ul>\n";
1363 $mainListOpened = false;
1364
1365 if( count( $errs ) ) {
1366         /* Display options form */
1367
1368         if( $conf->posted ) {
1369                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1370         }
1371 ?>
1372
1373 <form action="<?php echo defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php'; ?>" name="config" method="post">
1374
1375 <h2>Site config</h2>
1376
1377 <div class="config-section">
1378         <div class="config-input">
1379                 <?php aField( $conf, "Sitename", "Wiki name:" ); ?>
1380         </div>
1381         <p class="config-desc">
1382                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1383                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1384         </p>
1385         <div class="config-input"><?php aField( $conf, "EmergencyContact", "Contact e-mail:" ); ?></div>
1386         <p class="config-desc">
1387                 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.
1388         </p>
1389
1390         <div class="config-input">
1391                 <label class='column' for="LanguageCode">Language:</label>
1392                 <select id="LanguageCode" name="LanguageCode"><?php
1393                         $list = getLanguageList();
1394                         foreach( $list as $code => $name ) {
1395                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1396                                 $encCode = htmlspecialchars( $code );
1397                                 $encName = htmlspecialchars( $name );
1398                                 echo "\n\t\t<option value=\"$encCode\" $sel>$encName</option>";
1399                         }
1400                         echo "\n";
1401                 ?>
1402                 </select>
1403         </div>
1404         <p class="config-desc">
1405                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1406         </p>
1407
1408         <div class="config-input">
1409                 <label class='column'>Copyright/license:</label>
1410
1411                 <ul class="plain">
1412                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1413                 <li><?php aField( $conf, "License", "Public Domain", "radio", "pd" ); ?></li>
1414                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2", "radio", "gfdl1_2" ); ?></li>
1415                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.3", "radio", "gfdl1_3" ); ?></li>
1416                 <li><?php
1417                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1418                         $partner = "MediaWiki";
1419    $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1420                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/$script?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1421                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1422                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1423                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1424                         if( $conf->License == "cc" ) { ?>
1425                         <ul>
1426                         <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1427                         <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1428                         <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1429                         <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1430                         </ul>
1431                         <?php } ?>
1432                         </li>
1433                 </ul>
1434         </div>
1435         <p class="config-desc">
1436                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1437         </p>
1438
1439
1440         <div class="config-input">
1441                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1442         </div>
1443         <div class="config-input">
1444                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1445         </div>
1446         <div class="config-input">
1447                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1448         </div>
1449         <p class="config-desc">
1450                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1451                 A new account will be added only when creating a new wiki database.
1452                 <br /><br />
1453                 The password cannot be the same as the username.
1454         </p>
1455
1456         <div class="config-input">
1457                 <label class='column'>Object caching:</label>
1458
1459                 <ul class="plain">
1460                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1461                 <?php
1462                         if ( $conf->turck ) {
1463                                 echo "<li>";
1464                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1465                                 echo "</li>\n";
1466                         }
1467                         if( $conf->xcache ) {
1468                                 echo "<li>";
1469                                 aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
1470                                 echo "</li>\n";
1471                         }
1472                         if ( $conf->apc ) {
1473                                 echo "<li>";
1474                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1475                                 echo "</li>\n";
1476                         }
1477                         if ( $conf->eaccel ) {
1478                                 echo "<li>";
1479                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1480                                 echo "</li>\n";
1481                         }
1482                         if ( $conf->dba ) {
1483                                 echo "<li>";
1484                                 aField( $conf, "Shm", "DBA (not recommended)", "radio", "dba" );
1485                                 echo "</li>";
1486                         }
1487                 ?>
1488                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1489                 </ul>
1490                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1491         </div>
1492         <p class="config-desc">
1493                 An object caching system such as memcached will provide a significant performance boost,
1494                 but needs to be installed. Provide the server addresses and ports in a comma-separated list.
1495                 <br /><br />
1496                 MediaWiki can also detect and support eAccelerator, Turck MMCache, APC, and XCache, but
1497                 these should not be used if the wiki will be running on multiple application servers.
1498                 <br /><br />
1499                 DBA (Berkeley-style DB) is generally slower than using no cache at all, and is only
1500                 recommended for testing.
1501         </p>
1502 </div>
1503
1504 <h2>E-mail, e-mail notification and authentication setup</h2>
1505
1506 <div class="config-section">
1507         <div class="config-input">
1508                 <label class='column'>E-mail features (global):</label>
1509                 <ul class="plain">
1510                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1511                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1512                 </ul>
1513         </div>
1514         <p class="config-desc">
1515                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1516                 if sending mail doesn't work on your server.
1517         </p>
1518
1519         <div class="config-input">
1520                 <label class='column'>User-to-user e-mail:</label>
1521                 <ul class="plain">
1522                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1523                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1524                 </ul>
1525         </div>
1526         <p class="config-desc">
1527                 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.
1528         </p>
1529         <div class="config-input">
1530                 <label class='column'>E-mail notification about changes:</label>
1531                 <ul class="plain">
1532                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1533                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1534                 <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>
1535                 </ul>
1536         </div>
1537         <div class="config-desc">
1538                 <p>
1539                 For this feature to work, an e-mail address must be present for the user account, and the notification
1540                 options in the user's preferences must be enabled. Also note the
1541                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1542
1543                 <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>
1544         </div>
1545
1546         <div class="config-input">
1547                 <label class='column'>E-mail address authentication:</label>
1548                 <ul class="plain">
1549                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1550                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1551                 </ul>
1552         </div>
1553         <div class="config-desc">
1554                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1555                 change notification mails. Setting this option is <b>recommended</b> for public wikis because of potential abuse of the e-mail features above.</p>
1556         </div>
1557
1558 </div>
1559
1560 <h2>Database config</h2>
1561
1562 <div class="config-section">
1563 <div class="config-input">
1564         <label class='column'>Database type:</label>
1565 <?php
1566         if (isset($errs['DBpicktype'])) {
1567                 print "\t<span class='error'>" . htmlspecialchars( $errs['DBpicktype'] ) . "</span>\n";
1568         }
1569 ?>
1570         <ul class='plain'><?php
1571                 database_picker($conf);
1572         ?></ul>
1573         </div>
1574
1575         <div id="db-server-settings1">
1576                 <div class="config-input" style="clear:left">
1577                 <?php aField( $conf, "DBserver", "Database host:" ); ?>
1578                 </div>
1579                 <p class="config-desc">
1580                         If your database server isn't on your web server, enter the name or IP address here.
1581                 </p>
1582         </div>
1583
1584                 <div class="config-input"><?php aField( $conf, "DBname", "Database name:" ); ?></div>
1585         <div id="db-server-settings2">
1586                 <div class="config-input"><?php aField( $conf, "DBuser", "DB username:" ); ?></div>
1587                 <div class="config-input"><?php aField( $conf, "DBpassword", "DB password:", "password" ); ?></div>
1588                 <div class="config-input"><?php aField( $conf, "DBpassword2", "DB password confirm:", "password" ); ?></div>
1589                 <p class="config-desc">
1590                         If you only have a single user account and database available,
1591                         enter those here. If you have database root access (see below)
1592                         you can specify new accounts/databases to be created. This account
1593                         will not be created if it pre-exists. If this is the case, ensure that it
1594                         has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1595                 </p>
1596
1597                 <div class="config-input">
1598                         <label class="column">Superuser account:</label>
1599                         <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?> />
1600                         &nbsp;<label for="useroot">Use superuser account</label>
1601                 </div>
1602                 <div class="config-input"><?php aField( $conf, "RootUser", "Superuser name:", "text" ); ?></div>
1603                 <div class="config-input"><?php aField( $conf, "RootPW", "Superuser password:", "password" ); ?></div>
1604
1605                 <p class="config-desc">
1606                         If the database user specified above does not exist, or does not have access to create
1607                         the database (if needed) or tables within it, please check the box and provide details
1608                         of a superuser account, such as <strong>root</strong>, which does.
1609                 </p>
1610         </div>
1611
1612         <?php database_switcher('mysql'); ?>
1613         <div class="config-input"><?php aField( $conf, "DBprefix", "Database table prefix:" ); ?></div>
1614         <div class="config-desc">
1615                 <p>If you need to share one database between multiple wikis, or
1616                 between MediaWiki and another web application, you may choose to
1617                 add a prefix to all the table names to avoid conflicts.</p>
1618
1619                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1620         </div>
1621
1622         <div class="config-input"><label class="column">Storage Engine</label>
1623                 <div>Select one:</div>
1624                 <ul class="plain">
1625                 <li><?php aField( $conf, "DBengine", "InnoDB", "radio", "InnoDB" ); ?></li>
1626                 <li><?php aField( $conf, "DBengine", "MyISAM", "radio", "MyISAM" ); ?></li>
1627                 </ul>
1628         </div>
1629         <p class="config-desc">
1630                 InnoDB is best for public web installations, since it has good concurrency
1631                 support. MyISAM may be faster in single-user installations. MyISAM databases
1632                 tend to get corrupted more often than InnoDB databases.
1633         </p>
1634         <div class="config-input"><label class="column">Database character set</label>
1635                 <div>Select one:</div>
1636                 <ul class="plain">
1637                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1638                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1639                 <li><?php aField( $conf, "DBschema", "MySQL 4.0 backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1640                 </ul>
1641         </div>
1642         <p class="config-desc">
1643                 This option is ignored on upgrade, the same character set will be kept.
1644                 <br /><br />
1645                 <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!.
1646                 <br /><br />
1647                 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>.
1648         </p>
1649         </fieldset>
1650
1651         <?php database_switcher('postgres'); ?>
1652         <div class="config-input"><?php aField( $conf, "DBport", "Database port:" ); ?></div>
1653         <div class="config-input"><?php aField( $conf, "DBpgschema", "Schema for mediawiki:" ); ?></div>
1654         <div class="config-input"><?php aField( $conf, "DBts2schema", "Schema for tsearch2:" ); ?></div>
1655         <div class="config-desc">
1656                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1657                 so it is recommended that you create a new user. The above schemas are generally correct:
1658         only change them if you are sure you need to.</p>
1659         </div>
1660         </fieldset>
1661
1662         <?php database_switcher('sqlite'); ?>
1663         <div class="config-input"><?php
1664                 aField( $conf, "SQLiteDataDir", "SQLite data directory:" );
1665         ?></div>
1666         <div class="config-desc">
1667                 <p>SQLite stores table data into files in the
1668                 filesystem.</p>
1669
1670                 <p>This directory must exist and be writable by the web server.</p>
1671         </div>
1672         </fieldset>
1673
1674         <?php database_switcher('mssql'); ?>
1675         <div class="config-input"><?php
1676                 aField( $conf, "DBprefix2", "Database table prefix:" );
1677         ?></div>
1678         <div class="config-desc">
1679                 <p>If you need to share one database between multiple wikis, or
1680                 between MediaWiki and another web application, you may choose to
1681                 add a prefix to all the table names to avoid conflicts.</p>
1682
1683                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1684         </div>
1685         </fieldset>
1686
1687         <?php database_switcher('ibm_db2'); ?>
1688         <div class="config-input"><?php
1689                 aField( $conf, "DBport_db2", "Database port:" );
1690         ?></div>
1691         <div class="config-input"><?php
1692                 aField( $conf, "DBdb2schema", "Schema for mediawiki:" );
1693         ?></div>
1694         <div>Select one:</div>
1695                 <ul class="plain">
1696                 <li><?php aField( $conf, "DBcataloged", "Cataloged (DB2 installed locally)", "radio", "cataloged" ); ?></li>
1697                 <li><?php aField( $conf, "DBcataloged", "Uncataloged (remote DB2 through ODBC)", "radio", "uncataloged" ); ?></li>
1698                 </ul>
1699         <div class="config-desc">
1700                 <p>If you need to share one database between multiple wikis, or
1701                 between MediaWiki and another web application, you may specify
1702                 a different schema to avoid conflicts.</p>
1703         </div>
1704         </fieldset>
1705
1706         <?php database_switcher('oracle'); ?>
1707         <div class="config-input"><?php aField( $conf, "DBprefix_ora", "Database table prefix:" ); ?></div>
1708         <div class="config-desc">
1709                 <p>If you need to share one database between multiple wikis, or
1710                 between MediaWiki and another web application, you may choose to
1711                 add a prefix to all the table names to avoid conflicts.</p>
1712
1713                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1714         </div>
1715         <div class="config-input"><?php aField( $conf, "DBdefTS_ora", "Default tablespace:" ); ?></div>
1716         <div class="config-input"><?php aField( $conf, "DBtempTS_ora", "Temporary tablespace:" ); ?></div>
1717         </fieldset>
1718
1719         <div class="config-input" style="padding:2em 0 3em">
1720                 <label class='column'>&nbsp;</label>
1721                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1722         </div>
1723 </div>
1724 </form>
1725 <script type="text/javascript">
1726 window.onload = toggleDBarea( <?php echo Xml::encodeJsVar( $conf->DBtype ); ?>,
1727 <?php
1728         ## If they passed in a root user name, don't populate it on page load
1729         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1730 ?>);
1731 </script>
1732 <?php
1733 }
1734
1735 /* -------------------------------------------------------------------------------------- */
1736 function writeSuccessMessage() {
1737  $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1738         if ( wfIniGetBool( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1739                 echo <<<EOT
1740 <div class="success-box">
1741 <p>Installation successful!</p>
1742 <p>To complete the installation, please do the following:
1743 <ol>
1744         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1745         <li>Upload it to the parent directory</li>
1746         <li>Delete config/LocalSettings.php</li>
1747         <li>Start using <a href='../$script'>your wiki</a>!
1748 </ol>
1749 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1750 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1751 which means that anyone on the same server can read your database password! Downloading
1752 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1753 </div>
1754 EOT;
1755         } else {
1756                 echo <<<EOT
1757 <div class="success-box">
1758 <p>
1759 <span class="success-message">Installation successful!</span>
1760 Move the <tt>config/LocalSettings.php</tt> file to the parent directory, then follow
1761 <a href="../$script"> this link</a> to your wiki.</p>
1762 <p>You should change file permissions for <tt>LocalSettings.php</tt> as required to
1763 prevent other users on the server reading passwords and altering configuration data.</p>
1764 </div>
1765 EOT;
1766         }
1767 }
1768
1769
1770 function escapePhpString( $string ) {
1771         if ( is_array( $string ) || is_object( $string ) ) {
1772                 return false;
1773         }
1774         return strtr( $string,
1775                 array(
1776                         "\n" => "\\n",
1777                         "\r" => "\\r",
1778                         "\t" => "\\t",
1779                         "\\" => "\\\\",
1780                         "\$" => "\\\$",
1781                         "\"" => "\\\""
1782                 ));
1783 }
1784
1785 function writeLocalSettings( $conf ) {
1786         $conf->PasswordSender = $conf->EmergencyContact;
1787         $magic = ($conf->ImageMagick ? "" : "# ");
1788         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1789         $rights = ($conf->RightsUrl) ? "" : "# ";
1790         $hashedUploads = $conf->safeMode ? '' : '# ';
1791         $sqliteDataDir = escapePhpString( realpath($conf->SQLiteDataDir) );
1792         if ( substr_compare( $conf->IP, $sqliteDataDir, 0 ) ) {
1793                 $sqliteDataDir = substr_replace( $sqliteDataDir, '$IP', 0, strlen($conf->IP) );
1794         }
1795
1796         if ( $conf->ShellLocale ) {
1797                 $locale = '';
1798         } else {
1799                 $locale = '# ';
1800                 $conf->ShellLocale = 'en_US.UTF-8';
1801         }
1802
1803         switch ( $conf->Shm ) {
1804                 case 'memcached':
1805                         $cacheType = 'CACHE_MEMCACHED';
1806                         $mcservers = var_export( $conf->MCServerArray, true );
1807                         break;
1808                 case 'turck':
1809                 case 'xcache':
1810                 case 'apc':
1811                 case 'eaccel':
1812                         $cacheType = 'CACHE_ACCEL';
1813                         $mcservers = 'array()';
1814                         break;
1815                 case 'dba':
1816                         $cacheType = 'CACHE_DBA';
1817                         $mcservers = 'array()';
1818                         break;
1819                 default:
1820                         $cacheType = 'CACHE_NONE';
1821                         $mcservers = 'array()';
1822         }
1823
1824         if ( $conf->Email == 'email_enabled' ) {
1825                 $enableemail = 'true';
1826                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1827                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1828                 switch ( $conf->Enotif ) {
1829                         case 'enotif_usertalk':
1830                                 $enotifusertalk = 'true';
1831                                 $enotifwatchlist = 'false';
1832                                 break;
1833                         case 'enotif_allpages':
1834                                 $enotifusertalk = 'true';
1835                                 $enotifwatchlist = 'true';
1836                                 break;
1837                         default:
1838                                 $enotifusertalk = 'false';
1839                                 $enotifwatchlist = 'false';
1840                 }
1841         } else {
1842                 $enableuseremail = 'false';
1843                 $enableemail = 'false';
1844                 $eauthent = 'false';
1845                 $enotifusertalk = 'false';
1846                 $enotifwatchlist = 'false';
1847         }
1848
1849         $file = @fopen( "/dev/urandom", "r" );
1850         if ( $file ) {
1851                 $secretKey = bin2hex( fread( $file, 32 ) );
1852                 fclose( $file );
1853         } else {
1854                 $secretKey = "";
1855                 for ( $i=0; $i<8; $i++ ) {
1856                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1857                 }
1858                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1859         }
1860
1861         # Add slashes to strings for double quoting
1862         $slconf = wfArrayMap( "escapePhpString", get_object_vars( $conf ) );
1863         if( $conf->License == 'gfdl1_2' || $conf->License == 'pd' || $conf->License == 'gfdl1_3' ) {
1864                 # Needs literal string interpolation for the current style path
1865                 $slconf['RightsIcon'] = $conf->RightsIcon;
1866         }
1867
1868         if( $conf->DBtype == 'mysql' ) {
1869                 $dbsettings =
1870 "# MySQL specific settings
1871 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1872
1873 # MySQL table options to use during installation or update
1874 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1875
1876 # Experimental charset support for MySQL 4.1/5.0.
1877 \$wgDBmysql5 = {$conf->DBmysql5};";
1878         } elseif( $conf->DBtype == 'postgres' ) {
1879                 $dbsettings =
1880 "# Postgres specific settings
1881 \$wgDBport           = \"{$slconf['DBport']}\";
1882 \$wgDBmwschema       = \"{$slconf['DBpgschema']}\";
1883 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";";
1884         } elseif( $conf->DBtype == 'sqlite' ) {
1885                 $dbsettings =
1886 "# SQLite-specific settings
1887 \$wgSQLiteDataDir    = \"{$sqliteDataDir}\";";
1888         } elseif( $conf->DBtype == 'mssql' ) {
1889                 $dbsettings =
1890 "# MSSQL specific settings
1891 \$wgDBprefix         = \"{$slconf['DBprefix2']}\";";
1892         } elseif( $conf->DBtype == 'ibm_db2' ) {
1893                 $dbsettings =
1894 "# DB2 specific settings
1895 \$wgDBport_db2       = \"{$slconf['DBport_db2']}\";
1896 \$wgDBmwschema       = \"{$slconf['DBdb2schema']}\";
1897 \$wgDBcataloged      = \"{$slconf['DBcataloged']}\";";
1898         } elseif( $conf->DBtype == 'oracle' ) {
1899                 $dbsettings =
1900 "# Oracle specific settings
1901 \$wgDBprefix         = \"{$slconf['DBprefix']}\";";
1902         } else {
1903                 // ummm... :D
1904                 $dbsettings = '';
1905         }
1906
1907
1908         $localsettings = "
1909 # This file was automatically generated by the MediaWiki installer.
1910 # If you make manual changes, please keep track in case you need to
1911 # recreate them later.
1912 #
1913 # See includes/DefaultSettings.php for all configurable settings
1914 # and their default values, but don't forget to make changes in _this_
1915 # file, not there.
1916 #
1917 # Further documentation for configuration settings may be found at:
1918 # http://www.mediawiki.org/wiki/Manual:Configuration_settings
1919
1920 # If you customize your file layout, set \$IP to the directory that contains
1921 # the other MediaWiki files. It will be used as a base to locate files.
1922 if( defined( 'MW_INSTALL_PATH' ) ) {
1923         \$IP = MW_INSTALL_PATH;
1924 } else {
1925         \$IP = dirname( __FILE__ );
1926 }
1927
1928 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1929 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1930
1931 require_once( \"\$IP/includes/DefaultSettings.php\" );
1932
1933 if ( \$wgCommandLineMode ) {
1934         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1935                 die( \"This script must be run from the command line\\n\" );
1936         }
1937 }
1938 ## Uncomment this to disable output compression
1939 # \$wgDisableOutputCompression = true;
1940
1941 \$wgSitename         = \"{$slconf['Sitename']}\";
1942
1943 ## The URL base path to the directory containing the wiki;
1944 ## defaults for all runtime URL paths are based off of this.
1945 ## For more information on customizing the URLs please see:
1946 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1947 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1948 \$wgScriptExtension  = \"{$slconf['ScriptExtension']}\";
1949
1950 ## The relative URL path to the skins directory
1951 \$wgStylePath        = \"\$wgScriptPath/skins\";
1952
1953 ## The relative URL path to the logo.  Make sure you change this from the default,
1954 ## or else you'll overwrite your logo when you upgrade!
1955 \$wgLogo             = \"\$wgStylePath/common/images/wiki.png\";
1956
1957 ## UPO means: this is also a user preference option
1958
1959 \$wgEnableEmail      = $enableemail;
1960 \$wgEnableUserEmail  = $enableuseremail; # UPO
1961
1962 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1963 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1964
1965 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1966 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1967 \$wgEmailAuthentication = $eauthent;
1968
1969 ## Database settings
1970 \$wgDBtype           = \"{$slconf['DBtype']}\";
1971 \$wgDBserver         = \"{$slconf['DBserver']}\";
1972 \$wgDBname           = \"{$slconf['DBname']}\";
1973 \$wgDBuser           = \"{$slconf['DBuser']}\";
1974 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1975
1976 {$dbsettings}
1977
1978 ## Shared memory settings
1979 \$wgMainCacheType = $cacheType;
1980 \$wgMemCachedServers = $mcservers;
1981
1982 ## To enable image uploads, make sure the 'images' directory
1983 ## is writable, then set this to true:
1984 \$wgEnableUploads       = false;
1985 {$magic}\$wgUseImageMagick = true;
1986 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1987
1988 ## If you use ImageMagick (or any other shell command) on a
1989 ## Linux server, this will need to be set to the name of an
1990 ## available UTF-8 locale
1991 {$locale}\$wgShellLocale = \"{$slconf['ShellLocale']}\";
1992
1993 ## If you want to use image uploads under safe mode,
1994 ## create the directories images/archive, images/thumb and
1995 ## images/temp, and make them all writable. Then uncomment
1996 ## this, if it's not already uncommented:
1997 {$hashedUploads}\$wgHashedUploadDirectory = false;
1998
1999 ## If you have the appropriate support software installed
2000 ## you can enable inline LaTeX equations:
2001 \$wgUseTeX           = false;
2002
2003 ## Set \$wgCacheDirectory to a writable directory on the web server
2004 ## to make your wiki go slightly faster. The directory should not
2005 ## be publically accessible from the web.
2006 #\$wgCacheDirectory = \"\$IP/cache\";
2007
2008 \$wgLocalInterwiki   = strtolower( \$wgSitename );
2009
2010 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
2011
2012 \$wgSecretKey = \"$secretKey\";
2013
2014 ## Default skin: you can change the default skin. Use the internal symbolic
2015 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
2016 \$wgDefaultSkin = 'monobook';
2017
2018 ## For attaching licensing metadata to pages, and displaying an
2019 ## appropriate copyright notice / icon. GNU Free Documentation
2020 ## License and Creative Commons licenses are supported so far.
2021 {$rights}\$wgEnableCreativeCommonsRdf = true;
2022 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
2023 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
2024 \$wgRightsText = \"{$slconf['RightsText']}\";
2025 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
2026 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
2027
2028 \$wgDiff3 = \"{$slconf['diff3']}\";
2029
2030 # When you make changes to this configuration file, this will make
2031 # sure that cached pages are cleared.
2032 \$wgCacheEpoch = max( \$wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
2033 "; ## End of setting the $localsettings string
2034
2035         // Keep things in Unix line endings internally;
2036         // the system will write out as local text type.
2037         return str_replace( "\r\n", "\n", $localsettings );
2038 }
2039
2040 function dieout( $text ) {
2041         global $mainListOpened;
2042         if( $mainListOpened ) echo( "</ul>" );
2043         if( $text != '' && substr( $text, 0, 2 ) != '<p'  && substr( $text, 0, 2 ) != '<h' ){
2044                 echo "<p>$text</p>\n";
2045         } else {
2046                 echo $text;
2047         }
2048         die( "\n\n</div>\n</div>\n</div>\n</div>\n</body>\n</html>" );
2049 }
2050
2051 function importVar( &$var, $name, $default = "" ) {
2052         if( isset( $var[$name] ) ) {
2053                 $retval = $var[$name];
2054                 if ( get_magic_quotes_gpc() ) {
2055                         $retval = stripslashes( $retval );
2056                 }
2057         } else {
2058                 $retval = $default;
2059         }
2060         taint( $retval );
2061         return $retval;
2062 }
2063
2064 function importPost( $name, $default = "" ) {
2065         return importVar( $_POST, $name, $default );
2066 }
2067
2068 function importCheck( $name ) {
2069         return isset( $_POST[$name] );
2070 }
2071
2072 function importRequest( $name, $default = "" ) {
2073         return importVar( $_REQUEST, $name, $default );
2074 }
2075
2076 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
2077         static $radioCount = 0;
2078         if( $type != "" ) {
2079                 $xtype = "type=\"$type\"";
2080         } else {
2081                 $xtype = "";
2082         }
2083
2084         $id = $field;
2085         $nolabel = ($type == "radio") || ($type == "hidden");
2086
2087         if ($type == 'radio')
2088                 $id .= $radioCount++;
2089
2090         if( !$nolabel ) {
2091                 echo "<label class='column' for=\"$id\">$text</label>";
2092         }
2093
2094         if( $type == "radio" && $value == $conf->$field ) {
2095                 $checked = "checked='checked'";
2096         } else {
2097                 $checked = "";
2098         }
2099         echo "<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
2100         if ($onclick) {
2101                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
2102         }
2103         echo "value=\"";
2104         if( $type == "radio" ) {
2105                 echo htmlspecialchars( $value );
2106         } else {
2107                 echo htmlspecialchars( $conf->$field );
2108         }
2109
2110
2111         echo "\" />";
2112         if( $nolabel ) {
2113                 echo "<label for=\"$id\">$text</label>";
2114         }
2115
2116         global $errs;
2117         if(isset($errs[$field])) {
2118                 echo "<span class='error'>" . htmlspecialchars( $errs[$field] ) . "</span>\n";
2119         }
2120 }
2121
2122 function getLanguageList() {
2123         global $wgDummyLanguageCodes;
2124
2125         $codes = array();
2126         foreach ( Language::getLanguageNames() as $code => $name ) {
2127                 if( in_array( $code, $wgDummyLanguageCodes ) ) continue;
2128                 $codes[$code] = $code . ' - ' . $name;
2129         }
2130         ksort( $codes );
2131         return $codes;
2132 }
2133
2134 #Check for location of an executable
2135 # @param string $loc single location to check
2136 # @param array $names filenames to check for.
2137 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
2138 function locate_executable($loc, $names, $versioninfo = false) {
2139         if (!is_array($names))
2140                 $names = array($names);
2141
2142         foreach ($names as $name) {
2143                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
2144                 if (@file_exists($command)) {
2145                         if (!$versioninfo)
2146                                 return $command;
2147
2148                         $file = str_replace('$1', $command, $versioninfo[0]);
2149                         if (strstr(`$file`, $versioninfo[1]) !== false)
2150                                 return $command;
2151                 }
2152         }
2153         return false;
2154 }
2155
2156 # Test a memcached server
2157 function testMemcachedServer( $server ) {
2158         $hostport = explode(":", $server);
2159         $errstr = false;
2160         $fp = false;
2161         if ( !function_exists( 'fsockopen' ) ) {
2162                 $errstr = "Can't connect to memcached, fsockopen() not present";
2163         }
2164         if ( !$errstr && count( $hostport ) != 2 ) {
2165                 $errstr = 'Please specify host and port';
2166         }
2167         if ( !$errstr ) {
2168                 list( $host, $port ) = $hostport;
2169                 $errno = 0;
2170                 $fsockerr = '';
2171
2172                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
2173                 if ( $fp === false ) {
2174                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
2175                 }
2176         }
2177         if ( !$errstr ) {
2178                 $command = "version\r\n";
2179                 $bytes = fwrite( $fp, $command );
2180                 if ( $bytes != strlen( $command ) ) {
2181                         $errstr = "Cannot write to memcached socket on $host:$port";
2182                 }
2183         }
2184         if ( !$errstr ) {
2185                 $expected = "VERSION ";
2186                 $response = fread( $fp, strlen( $expected ) );
2187                 if ( $response != $expected ) {
2188                         $errstr = "Didn't get correct memcached response from $host:$port";
2189                 }
2190         }
2191         if ( $fp ) {
2192                 fclose( $fp );
2193         }
2194         if ( !$errstr ) {
2195                 echo "<li>Connected to memcached on " . htmlspecialchars( "$host:$port" ) ." successfully</li>";
2196         }
2197         return $errstr;
2198 }
2199
2200 function database_picker($conf) {
2201         global $ourdb;
2202         print "\n";
2203         foreach(array_keys($ourdb) as $db) {
2204                 if ($ourdb[$db]['havedriver']) {
2205                         print "\t<li>";
2206                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
2207                         print "</li>\n";
2208                 }
2209         }
2210         print "\n\t";
2211 }
2212
2213 function database_switcher($db) {
2214         global $ourdb;
2215         $color = $ourdb[$db]['bgcolor'];
2216         $full = $ourdb[$db]['fullname'];
2217         print "<fieldset id='$db' style='clear:both'><legend>$full-specific options</legend>\n";
2218 }
2219
2220 function printListItem( $item ) {
2221         print "<li>$item</li>";
2222 }
2223
2224 # Determine a suitable value for $wgShellLocale
2225 function getShellLocale( $wikiLang ) {
2226         # Give up now if we're in safe mode or open_basedir
2227         # It's theoretically possible but tricky to work with
2228         if ( wfIniGetBool( "safe_mode" ) || ini_get( 'open_basedir' ) || !function_exists('exec') ) {
2229                 return false;
2230         }
2231
2232         $os = php_uname( 's' );
2233         $supported = array( 'Linux', 'SunOS', 'HP-UX' ); # Tested these
2234         if ( !in_array( $os, $supported ) ) {
2235                 return false;
2236         }
2237
2238         # Get a list of available locales
2239         $lines = $ret = false;
2240         exec( '/usr/bin/locale -a', $lines, $ret );
2241         if ( $ret ) {
2242                 return false;
2243         }
2244
2245         $lines = wfArrayMap( 'trim', $lines );
2246         $candidatesByLocale = array();
2247         $candidatesByLang = array();
2248         foreach ( $lines as $line ) {
2249                 if ( $line === '' ) {
2250                         continue;
2251                 }
2252                 if ( !preg_match( '/^([a-zA-Z]+)(_[a-zA-Z]+|)\.(utf8|UTF-8)(@[a-zA-Z_]*|)$/i', $line, $m ) ) {
2253                         continue;
2254                 }
2255                 list( $all, $lang, $territory, $charset, $modifier ) = $m;
2256                 $candidatesByLocale[$m[0]] = $m;
2257                 $candidatesByLang[$lang][] = $m;
2258         }
2259
2260         # Try the current value of LANG
2261         if ( isset( $candidatesByLocale[ getenv( 'LANG' ) ] ) ) {
2262                 return getenv( 'LANG' );
2263         }
2264
2265         # Try the most common ones
2266         $commonLocales = array( 'en_US.UTF-8', 'en_US.utf8', 'de_DE.UTF-8', 'de_DE.utf8' );
2267         foreach ( $commonLocales as $commonLocale ) {
2268                 if ( isset( $candidatesByLocale[$commonLocale] ) ) {
2269                         return $commonLocale;
2270                 }
2271         }
2272
2273         # Is there an available locale in the Wiki's language?
2274         if ( isset( $candidatesByLang[$wikiLang] ) ) {
2275                 $m = reset( $candidatesByLang[$wikiLang] );
2276                 return $m[0];
2277         }
2278
2279         # Are there any at all?
2280         if ( count( $candidatesByLocale ) ) {
2281                 $m = reset( $candidatesByLocale );
2282                 return $m[0];
2283         }
2284
2285         # Give up
2286         return false;
2287 }
2288
2289 function wfArrayMap( $function, $input ) {
2290         $ret = array_map( $function, $input );
2291         foreach ( $ret as $key => $value ) {
2292                 $taint = istainted( $input[$key] );
2293                 if ( $taint ) {
2294                         taint( $ret[$key], $taint );
2295                 }
2296         }
2297         return $ret;
2298 }
2299
2300 ?>
2301
2302         <div class="license">
2303         <hr/>
2304         <p>This program is free software; you can redistribute it and/or modify
2305          it under the terms of the GNU General Public License as published by
2306          the Free Software Foundation; either version 2 of the License, or
2307          (at your option) any later version.</p>
2308
2309          <p>This program is distributed in the hope that it will be useful,
2310          but WITHOUT ANY WARRANTY; without even the implied warranty of
2311          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2312          GNU General Public License for more details.</p>
2313
2314          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
2315          along with this program; if not, write to the Free Software
2316          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
2317          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
2318         </div>
2319
2320 </div></div></div>
2321
2322
2323 <div id="column-one">
2324         <div class="portlet" id="p-logo">
2325           <a style="background-image: url(../skins/common/images/mediawiki.png);"
2326             href="../"
2327             title="Main Page"></a>
2328         </div>
2329         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
2330         <div class='portlet'><div class='pBody'>
2331                 <ul>
2332                         <li><a href="../README">Readme</a></li>
2333                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
2334                         <li><a href="../docs/">Documentation</a></li>
2335                         <li><a href="http://www.mediawiki.org/wiki/Help:Contents">User's Guide</a></li>
2336                         <li><a href="http://www.mediawiki.org/wiki/Manual:Contents">Administrator's Guide</a></li>
2337                         <li><a href="http://www.mediawiki.org/wiki/Manual:FAQ">FAQ</a></li>
2338                 </ul>
2339                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright © 2001-2009 by Magnus Manske, Brion Vibber,
2340                  Lee Daniel Crocker, Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason, Niklas Laxström,
2341                  Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor, Aaron Schulz and others.</p>
2342         </div></div>
2343 </div>
2344
2345 </div>
2346
2347 </body>
2348 </html>