config/index.php

   1 <?php
   2
   3 # MediaWiki web-based config/installation
   4 # Copyright (C) 2004 Brion Vibber <brion@pobox.com>, 2006 Rob Church <robchur@gmail.com>
   5 # http://www.mediawiki.org/
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with this program; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20 # http://www.gnu.org/copyleft/gpl.html
  21
  22 error_reporting( E_ALL );
  23 header( "Content-type: text/html; charset=utf-8" );
  24 @ini_set( "display_errors", true );
  25
  26 # In case of errors, let output be clean.
  27 $wgRequestTime = microtime( true );
  28
  29 # Attempt to set up the include path, to fix problems with relative includes
  30 $IP = dirname( dirname( __FILE__ ) );
  31 define( 'MW_INSTALL_PATH', $IP );
  32
  33 # Define an entry point and include some files
  34 define( "MEDIAWIKI", true );
  35 define( "MEDIAWIKI_INSTALL", true );
  36
  37 // Run version checks before including other files
  38 // so people don't see a scary parse error.
  39 require_once( "$IP/install-utils.inc" );
  40 install_version_checks();
  41
  42 require_once( "$IP/includes/Defines.php" );
  43 require_once( "$IP/includes/DefaultSettings.php" );
  44 require_once( "$IP/includes/AutoLoader.php" );
  45 require_once( "$IP/includes/MagicWord.php" );
  46 require_once( "$IP/includes/Namespace.php" );
  47 require_once( "$IP/includes/ProfilerStub.php" );
  48 require_once( "$IP/includes/GlobalFunctions.php" );
  49 require_once( "$IP/includes/Hooks.php" );
  50 require_once( "$IP/includes/Exception.php" );
  51
  52 # If we get an exception, the user needs to know
  53 # all the details
  54 $wgShowExceptionDetails = true;
  55 $wgShowSQLErrors = true;
  56 wfInstallExceptionHandler();
  57 ## Databases we support:
  58
  59 $ourdb = array();
  60 $ourdb['mysql']['fullname']      = 'MySQL';
  61 $ourdb['mysql']['havedriver']    = 0;
  62 $ourdb['mysql']['compile']       = 'mysql';
  63 $ourdb['mysql']['bgcolor']       = '#ffe5a7';
  64 $ourdb['mysql']['rootuser']      = 'root';
  65
  66 $ourdb['postgres']['fullname']   = 'PostgreSQL';
  67 $ourdb['postgres']['havedriver'] = 0;
  68 $ourdb['postgres']['compile']    = 'pgsql';
  69 $ourdb['postgres']['bgcolor']    = '#aaccff';
  70 $ourdb['postgres']['rootuser']   = 'postgres';
  71
  72 $ourdb['sqlite']['fullname']      = 'SQLite';
  73 $ourdb['sqlite']['havedriver']    = 0;
  74 $ourdb['sqlite']['compile']       = 'pdo_sqlite';
  75 $ourdb['sqlite']['bgcolor']       = '#b1ebb1';
  76 $ourdb['sqlite']['rootuser']      = '';
  77
  78 $ourdb['mssql']['fullname']      = 'MSSQL';
  79 $ourdb['mssql']['havedriver']    = 0;
  80 $ourdb['mssql']['compile']       = 'mssql not ready'; # Change to 'mssql' after includes/DatabaseMssql.php added;
  81 $ourdb['mssql']['bgcolor']       = '#ffc0cb';
  82 $ourdb['mssql']['rootuser']      = 'administrator';
  83
  84 $ourdb['ibm_db2']['fullname']   = 'DB2';
  85 $ourdb['ibm_db2']['havedriver'] = 0;
  86 $ourdb['ibm_db2']['compile']    = 'ibm_db2';
  87 $ourdb['ibm_db2']['bgcolor']    = '#ffeba1';
  88 $ourdb['ibm_db2']['rootuser']   = 'db2admin';
  89
  90 $ourdb['oracle']['fullname']   = 'Oracle';
  91 $ourdb['oracle']['havedriver'] = 0;
  92 $ourdb['oracle']['compile']    = 'oci8';
  93 $ourdb['oracle']['bgcolor']    = '#ffeba1';
  94 $ourdb['oracle']['rootuser']   = '';
  95
  96 ?>
  97 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  98 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
  99 <head>
 100         <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
 101         <meta name="robots" content="noindex,nofollow"/>
 102         <title>MediaWiki <?php echo htmlspecialchars( $wgVersion ); ?> Installation</title>
 103         <style type="text/css">
 104
 105                 @import "../skins/monobook/main.css";
 106
 107                 .env-check {
 108                         font-size: 90%;
 109                         margin: 1em 0 1em 2.5em;
 110                 }
 111
 112                 .config-section {
 113                         margin-top: 2em;
 114                 }
 115
 116                 .config-section label.column {
 117                         clear: left;
 118                         font-weight: bold;
 119                         width: 13em;
 120                         float: left;
 121                         text-align: right;
 122                         padding-right: 1em;
 123                         padding-top: .2em;
 124                 }
 125
 126                 .config-input {
 127                         clear: left;
 128                         zoom: 100%; /* IE hack */
 129                 }
 130
 131                 .config-section .config-desc {
 132                         clear: left;
 133                         margin: 0 0 2em 18em;
 134                         padding-top: 1em;
 135                         font-size: 85%;
 136                 }
 137
 138                 .iput-text, .iput-password {
 139                         width: 14em;
 140                         margin-right: 1em;
 141                 }
 142
 143                 .error {
 144                         color: red;
 145                         background-color: #fff;
 146                         font-weight: bold;
 147                         left: 1em;
 148                         font-size: 100%;
 149                 }
 150
 151                 .error-top {
 152                         color: red;
 153                         background-color: #FFF0F0;
 154                         border: 2px solid red;
 155                         font-size: 130%;
 156                         font-weight: bold;
 157                         padding: 1em 1.5em;
 158                         margin: 2em 0 1em;
 159                 }
 160
 161                 ul.plain {
 162                         list-style-type: none;
 163                         list-style-image: none;
 164                         float: left;
 165                         margin: 0;
 166                         padding: 0;
 167                 }
 168
 169                 .btn-install {
 170                         font-weight: bold;
 171                         font-size: 110%;
 172                         padding: .2em .3em;
 173                 }
 174
 175                 .license {
 176                         font-size: 85%;
 177                         padding-top: 3em;
 178                 }
 179
 180                 span.success-message {
 181                         font-weight: bold;
 182                         font-size: 110%;
 183                         color: green;
 184                 }
 185                 .success-box {
 186                         font-size: 130%;
 187                 }
 188
 189         </style>
 190         <script type="text/javascript">
 191         <!--
 192         function hideall() {
 193                 <?php foreach (array_keys($ourdb) as $db) {
 194                 echo "\n                var i = document.getElementById('$db'); if (i) i.style.display='none';";
 195                 }
 196                 ?>
 197
 198         }
 199         function toggleDBarea(id,defaultroot) {
 200                 hideall();
 201                 var dbarea = document.getElementById(id);
 202                 if (dbarea) dbarea.style.display = (dbarea.style.display == 'none') ? 'block' : 'none';
 203                 var db = document.getElementById('RootUser');
 204                 if (defaultroot) {
 205 <?php foreach (array_keys($ourdb) as $db) {
 206                         echo "                  if (id == '$db') { db.value = '".$ourdb[$db]['rootuser']."';}\n";
 207 }?>
 208                 }
 209         }
 210         // -->
 211         </script>
 212 </head>
 213
 214 <body>
 215 <div id="globalWrapper">
 216 <div id="column-content">
 217 <div id="content">
 218 <div id="bodyContent">
 219
 220 <h1>MediaWiki <?php print htmlspecialchars( $wgVersion ) ?> Installation</h1>
 221
 222 <?php
 223 $mainListOpened = false; # Is the main list (environement checking) opend ? Used by dieout
 224
 225 /* Check for existing configurations and bug out! */
 226
 227 if( file_exists( "../LocalSettings.php" ) ) {
 228         $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 229         dieout( "<p><strong>Setup has completed, <a href='../$script'>your wiki</a> is configured.</strong></p>
 230         <p>Please delete the /config directory for extra security.</p>" );
 231 }
 232
 233 if( file_exists( "./LocalSettings.php" ) ) {
 234         writeSuccessMessage();
 235         dieout( '' );
 236 }
 237
 238 if( !is_writable( "." ) ) {
 239         dieout( "<h2>Can't write config file, aborting</h2>
 240
 241         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 242         writable by the web server. Once configuration is done you'll move the created
 243         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 244         then remove the <tt>config</tt> subdirectory entirely.</p>
 245
 246         <p>To make the directory writable on a Unix/Linux system:</p>
 247
 248         <pre>
 249         cd <i>" . htmlspecialchars( dirname( dirname( __FILE__ ) ) ) . "</i>
 250         chmod a+w config
 251         </pre>
 252
 253         <p>Afterwards retry to start the <a href=\"\">setup</a>.</p>" );
 254 }
 255
 256
 257 require_once( "$IP/install-utils.inc" );
 258 require_once( "$IP/maintenance/updaters.inc" );
 259
 260 class ConfigData {
 261         function getEncoded( $data ) {
 262                 # removing latin1 support, no need...
 263                 return $data;
 264         }
 265         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 266         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 267         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 268
 269         function setSchema( $schema, $engine ) {
 270                 $this->DBschema = $schema;
 271                 if ( !preg_match( '/^\w*$/', $engine ) ){
 272                         $engine = 'InnoDB';
 273                 }
 274                 switch ( $this->DBschema ) {
 275                         case 'mysql5':
 276                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=utf8";
 277                                 $this->DBmysql5 = 'true';
 278                                 break;
 279                         case 'mysql5-binary':
 280                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=binary";
 281                                 $this->DBmysql5 = 'true';
 282                                 break;
 283                         default:
 284                                 $this->DBTableOptions = "TYPE=$engine";
 285                                 $this->DBmysql5 = 'false';
 286                 }
 287                 $this->DBengine = $engine;
 288
 289                 # Set the global for use during install
 290                 global $wgDBTableOptions;
 291                 $wgDBTableOptions = $this->DBTableOptions;
 292         }
 293 }
 294
 295 ?>
 296
 297 <ul>
 298         <li>
 299                 <b>Don't forget security updates!</b> Keep an eye on the
 300                 <a href="http://lists.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 301                 release announcements mailing list</a>.
 302         </li>
 303 </ul>
 304
 305
 306 <h2>Checking environment...</h2>
 307 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 308 <ul class="env-check">
 309 <?php
 310 $mainListOpened = true;
 311
 312 $endl = "
 313 ";
 314 define( 'MW_NO_OUTPUT_BUFFER', 1 );
 315 $conf = new ConfigData;
 316
 317 install_version_checks();
 318 $self = 'Installer'; # Maintenance script name, to please Setup.php
 319
 320 print "<li>PHP " . htmlspecialchars( phpversion() ) . " installed</li>\n";
 321
 322 error_reporting( 0 );
 323 $phpdatabases = array();
 324 foreach (array_keys($ourdb) as $db) {
 325         $compname = $ourdb[$db]['compile'];
 326         if( extension_loaded( $compname ) || ( mw_have_dl() && dl( "{$compname}." . PHP_SHLIB_SUFFIX ) ) ) {
 327                 array_push($phpdatabases, $db);
 328                 $ourdb[$db]['havedriver'] = 1;
 329         }
 330 }
 331 error_reporting( E_ALL );
 332
 333 if (!$phpdatabases) {
 334         print "Could not find a suitable database driver!<ul>";
 335         foreach (array_keys($ourdb) AS $db) {
 336                 $comp = $ourdb[$db]['compile'];
 337                 $full = $ourdb[$db]['fullname'];
 338                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 339                         ."or install the $comp.so module</li>\n";
 340         }
 341         echo '</ul>';
 342         dieout( '' );
 343 }
 344
 345 print "<li>Found database drivers for:";
 346 $DefaultDBtype = '';
 347 foreach (array_keys($ourdb) AS $db) {
 348         if ($ourdb[$db]['havedriver']) {
 349                 if ( $DefaultDBtype == '' ) {
 350                         $DefaultDBtype = $db;
 351                 }
 352                 print "  ".$ourdb[$db]['fullname'];
 353         }
 354 }
 355 print "</li>\n";
 356
 357 if( wfIniGetBool( "register_globals" ) ) {
 358         ?>
 359         <li>
 360                 <div style="font-size:110%">
 361                 <strong class="error">Warning:</strong>
 362                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 363                 </div>
 364                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 365         </li>
 366         <?php
 367 }
 368
 369 $fatal = false;
 370
 371 if( wfIniGetBool( "magic_quotes_runtime" ) ) {
 372         $fatal = true;
 373         ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.info.php#ini.magic-quotes-runtime'>magic_quotes_runtime</a> is active!</strong>
 374         This option corrupts data input unpredictably; you cannot install or use
 375         MediaWiki unless this option is disabled.</li>
 376         <?php
 377 }
 378
 379 if( wfIniGetBool( "magic_quotes_sybase" ) ) {
 380         $fatal = true;
 381         ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.sybase.php#ini.magic-quotes-sybase'>magic_quotes_sybase</a> is active!</strong>
 382         This option corrupts data input unpredictably; you cannot install or use
 383         MediaWiki unless this option is disabled.</li>
 384         <?php
 385 }
 386
 387 if( wfIniGetBool( "mbstring.func_overload" ) ) {
 388         $fatal = true;
 389         ?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.mbstring.php#mbstring.overload'>mbstring.func_overload</a> is active!</strong>
 390         This option causes errors and may corrupt data unpredictably;
 391         you cannot install or use MediaWiki unless this option is disabled.</li>
 392         <?php
 393 }
 394
 395 if( wfIniGetBool( "zend.ze1_compatibility_mode" ) ) {
 396         $fatal = true;
 397         ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
 398         This option causes horrible bugs with MediaWiki; you cannot install or use
 399         MediaWiki unless this option is disabled.</li>
 400         <?php
 401 }
 402
 403
 404 if( $fatal ) {
 405         dieout( "Cannot install MediaWiki." );
 406 }
 407
 408 if( wfIniGetBool( "safe_mode" ) ) {
 409         $conf->safeMode = true;
 410         ?>
 411         <li><b class='error'>Warning:</b> <strong>PHP's
 412         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 413         You may have problems caused by this, particularly if using image uploads.
 414         </li>
 415         <?php
 416 } else {
 417         $conf->safeMode = false;
 418 }
 419
 420 $sapi = htmlspecialchars( php_sapi_name() );
 421 print "<li>PHP server API is $sapi; ";
 422 $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 423 if( $wgUsePathInfo ) {
 424  print "ok, using pretty URLs (<tt>$script/Page_Title</tt>)";
 425 } else {
 426         print "using ugly URLs (<tt>$script?title=Page_Title</tt>)";
 427 }
 428 print "</li>\n";
 429
 430 $conf->xml = function_exists( "utf8_encode" );
 431 if( $conf->xml ) {
 432         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 433 } else {
 434         dieout( "PHP's XML module is missing; the wiki requires functions in
 435                 this module and won't work in this configuration.
 436                 If you're running Mandrake, install the php-xml package." );
 437 }
 438
 439 # Check for session support
 440 if( !function_exists( 'session_name' ) )
 441         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 442
 443 # session.save_path doesn't *have* to be set, but if it is, and it's
 444 # not valid/writable/etc. then it can cause problems
 445 $sessionSavePath = mw_get_session_save_path();
 446 $ssp = htmlspecialchars( $sessionSavePath );
 447 # Warn the user if it's not set, but let them proceed
 448 if( !$sessionSavePath ) {
 449         print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
 450         has not been set in PHP.ini. If the default value causes problems with
 451         saving session data, set it to a valid path which is read/write/execute
 452         for the user your web server is running under.</li>";
 453 } elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
 454         # All good? Let the user know
 455         print "<li>Session save path (<tt>{$ssp}</tt>) appears to be valid.</li>";
 456 } else {
 457         # Something not right? Warn the user, but let them proceed
 458         print "<li><strong>Warning:</strong> Your <tt>session.save_path</tt> value (<tt>{$ssp}</tt>)
 459                 appears to be invalid or is not writable. PHP needs to be able to save data to
 460                 this location for correct session operation.</li>";
 461 }
 462
 463 # Check for PCRE support
 464 if( !function_exists( 'preg_match' ) )
 465         dieout( "The PCRE support module appears to be missing. MediaWiki requires the
 466         Perl-compatible regular expression functions." );
 467
 468 $memlimit = ini_get( "memory_limit" );
 469 if( $memlimit == -1 ) {
 470         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 471 } else {
 472         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ). " bytes. ";
 473         $newlimit = wfMemoryLimit();
 474         $memlimit = wfShorthandToInteger( $memlimit );
 475         if( $newlimit < $memlimit ) {
 476                 print "<b>Failed raising limit, installation may fail.</b>";
 477         } elseif ( $newlimit > $memlimit )  {
 478                 print "Raised <tt>memory_limit</tt> to " . htmlspecialchars( $newlimit ) . " bytes. ";
 479         }
 480         print "</li>\n";
 481 }
 482
 483 $conf->turck = function_exists( 'mmcache_get' );
 484 if ( $conf->turck ) {
 485         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 486 }
 487
 488 $conf->xcache = function_exists( 'xcache_get' );
 489 if( $conf->xcache )
 490         print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>\n";
 491
 492 $conf->apc = function_exists('apc_fetch');
 493 if ($conf->apc ) {
 494         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>\n";
 495 }
 496
 497 $conf->eaccel = function_exists( 'eaccelerator_get' );
 498 if ( $conf->eaccel ) {
 499         $conf->turck = 'eaccelerator';
 500         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 501 }
 502
 503 $conf->dba = function_exists( 'dba_open' );
 504
 505 if( !( $conf->turck || $conf->eaccel || $conf->apc || $conf->xcache ) ) {
 506         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 507                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>,
 508                 <a href="http://www.php.net/apc">APC</a> or <a href="http://trac.lighttpd.net/xcache/">XCache</a>;
 509                 cannot use these for object caching.</li>' );
 510 }
 511
 512 $conf->phpCliPath = false;
 513 $phpClilocations = array_merge(
 514         array(
 515                 "/usr/bin",
 516                 "/usr/local/bin",
 517                 "/opt/csw/bin",
 518                 "/usr/gnu/bin",
 519                 "/usr/sfw/bin" ),
 520         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 521 $phpClinames = array( "php", "php.exe" );
 522 foreach ($phpClilocations as $loc) {
 523         $exe = locate_executable($loc, $phpClinames);
 524         if ($exe !== false) {
 525                 $conf->phpCliPath= $exe;
 526                 break;
 527         }
 528 }
 529
 530 $conf->diff3 = false;
 531 $diff3locations = array_merge(
 532         array(
 533                 "/usr/bin",
 534                 "/usr/local/bin",
 535                 "/opt/csw/bin",
 536                 "/usr/gnu/bin",
 537                 "/usr/sfw/bin" ),
 538         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 539 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 540
 541 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 542 foreach ($diff3locations as $loc) {
 543         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 544         if ($exe !== false) {
 545                 $conf->diff3 = $exe;
 546                 break;
 547         }
 548 }
 549
 550 if ($conf->diff3)
 551         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 552 else
 553         print "<li>GNU diff3 not found.</li>";
 554
 555 $conf->ImageMagick = false;
 556 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 557 foreach( $imcheck as $dir ) {
 558         $im = "$dir/convert";
 559         if( @file_exists( $im ) ) {
 560                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 561                 $conf->ImageMagick = $im;
 562                 break;
 563         }
 564 }
 565
 566 $conf->HaveGD = function_exists( "imagejpeg" );
 567 if( $conf->HaveGD ) {
 568         print "<li>Found GD graphics library built-in";
 569         if( !$conf->ImageMagick ) {
 570                 print ", image thumbnailing will be enabled if you enable uploads";
 571         }
 572         print ".</li>\n";
 573 } else {
 574         if( !$conf->ImageMagick ) {
 575                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 576         }
 577 }
 578
 579 $conf->IP = dirname( dirname( __FILE__ ) );
 580 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 581
 582
 583 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 584 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 585 // to get the path to the current script... hopefully it's reliable. SIGH
 586 $path = ($_SERVER["PHP_SELF"] === '')
 587         ? $_SERVER["SCRIPT_NAME"]
 588         : $_SERVER["PHP_SELF"];
 589
 590 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 591 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 592
 593
 594
 595 // We may be installing from *.php5 extension file, if so, print message
 596 $conf->ScriptExtension = '.php';
 597 if (defined('MW_INSTALL_PHP5_EXT')) {
 598     $conf->ScriptExtension = '.php5';
 599     print "<li>Installing MediaWiki with <tt>php5</tt> file extensions</li>\n";
 600 } else {
 601     print "<li>Installing MediaWiki with <tt>php</tt> file extensions</li>\n";
 602 }
 603
 604
 605 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 606         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 607
 608         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 609         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 610                 ? 'root@localhost'
 611                 : $_SERVER["SERVER_ADMIN"];
 612         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 613         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 614         if ( !isset( $ourdb[$conf->DBtype] ) ) {
 615                 $conf->DBtype = $DefaultDBtype;
 616         }
 617
 618         $conf->DBserver = importPost( "DBserver", "localhost" );
 619         $conf->DBname = importPost( "DBname", "wikidb" );
 620         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 621         $conf->DBpassword = importPost( "DBpassword" );
 622         $conf->DBpassword2 = importPost( "DBpassword2" );
 623         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 624         $conf->SysopPass = importPost( "SysopPass" );
 625         $conf->SysopPass2 = importPost( "SysopPass2" );
 626         $conf->RootUser = importPost( "RootUser", "root" );
 627         $conf->RootPW = importPost( "RootPW", "" );
 628         $useRoot = importCheck( 'useroot', false );
 629         $conf->populateadmin = importCheck( 'populateadmin', false );
 630         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 631         ## MySQL specific:
 632         $conf->DBprefix     = importPost( "DBprefix" );
 633         $conf->setSchema(
 634                 importPost( "DBschema", "mysql5-binary" ),
 635                 importPost( "DBengine", "InnoDB" ) );
 636
 637         ## Postgres specific:
 638         $conf->DBport      = importPost( "DBport",      "5432" );
 639         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 640         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 641
 642         ## SQLite specific
 643         $conf->SQLiteDataDir = importPost( "SQLiteDataDir", "" );
 644
 645         ## MSSQL specific
 646         // We need a second field so it doesn't overwrite the MySQL one
 647         $conf->DBprefix2 = importPost( "DBprefix2" );
 648
 649         ## DB2 specific:
 650         // New variable in order to have a different default port number
 651         $conf->DBport_db2   = importPost( "DBport_db2",      "50000" );
 652         $conf->DBmwschema   = importPost( "DBmwschema",  "mediawiki" );
 653         $conf->DBcataloged  = importPost( "DBcataloged",  "cataloged" );
 654
 655         // Oracle specific
 656         $conf->DBprefix_ora     = importPost( "DBprefix_ora" );
 657         $conf->DBdefTS_ora     = importPost( "DBdefTS_ora", "USERS" );
 658         $conf->DBtempTS_ora     = importPost( "DBtempTS_ora", "TEMP" );
 659
 660         $conf->ShellLocale = getShellLocale( $conf->LanguageCode );
 661
 662 /* Check for validity */
 663 $errs = array();
 664
 665 if( preg_match( '/^$|^mediawiki$|#/i', $conf->Sitename ) ) {
 666         $errs["Sitename"] = "Must not be blank or \"MediaWiki\" and may not contain \"#\"";
 667 }
 668 if( $conf->DBuser == "" ) {
 669         $errs["DBuser"] = "Must not be blank";
 670 }
 671 if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 672         $errs["DBuser"] = "Username too long";
 673 }
 674 if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 675         $errs["DBpassword"] = "Must not be blank";
 676 }
 677 if( $conf->DBpassword != $conf->DBpassword2 ) {
 678         $errs["DBpassword2"] = "Passwords don't match!";
 679 }
 680 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 681         $errs["DBprefix"] = "Invalid table prefix";
 682 } else {
 683         untaint( $conf->DBprefix, TC_MYSQL );
 684 }
 685 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix_ora ) ) {
 686         $errs["DBprefix_ora"] = "Invalid table prefix";
 687 }
 688
 689 error_reporting( E_ALL );
 690
 691 /**
 692  * Initialise $wgLang and $wgContLang to something so we can
 693  * call case-folding methods. Per Brion, this is English for
 694  * now, although we could be clever and initialise to the
 695  * user-selected language.
 696  */
 697 $wgContLang = Language::factory( 'en' );
 698 $wgLang = $wgContLang;
 699
 700 /**
 701  * We're messing about with users, so we need a stub
 702  * authentication plugin...
 703  */
 704 $wgAuth = new AuthPlugin();
 705
 706 /**
 707  * Validate the initial administrator account; username,
 708  * password checks, etc.
 709  */
 710 if( $conf->SysopName ) {
 711         # Check that the user can be created
 712         $u = User::newFromName( $conf->SysopName );
 713         if( is_a($u, 'User') ) { // please do not use instanceof, it breaks PHP4
 714                 # Various password checks
 715                 if( $conf->SysopPass != '' ) {
 716                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 717                                 if( $u->isValidPassword( $conf->SysopPass ) !== true ) {
 718                                         $errs['SysopPass'] = "Bad password";
 719                                 }
 720                         } else {
 721                                 $errs['SysopPass2'] = "Passwords don't match";
 722                         }
 723                 } else {
 724                         $errs['SysopPass'] = "Cannot be blank";
 725                 }
 726                 unset( $u );
 727         } else {
 728                 $errs['SysopName'] = "Bad username";
 729         }
 730 }
 731
 732 $conf->License = importRequest( "License", "none" );
 733 if( $conf->License == "gfdl1_2" ) {
 734         $conf->RightsUrl = "http://www.gnu.org/licenses/old-licenses/fdl-1.2.txt";
 735         $conf->RightsText = "GNU Free Documentation License 1.2";
 736         $conf->RightsCode = "gfdl1_2";
 737         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 738 } elseif( $conf->License == "gfdl1_3" ) {
 739         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 740         $conf->RightsText = "GNU Free Documentation License 1.3";
 741         $conf->RightsCode = "gfdl1_3";
 742         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 743 } elseif( $conf->License == "none" ) {
 744         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 745 } elseif( $conf->License == "pd" ) {
 746         $conf->RightsUrl = "http://creativecommons.org/licenses/publicdomain/";
 747         $conf->RightsText = "Public Domain";
 748         $conf->RightsCode = "pd";
 749         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/public-domain.png';
 750 } else {
 751         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 752         $conf->RightsText = importRequest( "RightsText", "" );
 753         $conf->RightsCode = importRequest( "RightsCode", "" );
 754         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 755 }
 756
 757 $conf->Shm = importRequest( "Shm", "none" );
 758 $conf->MCServers = importRequest( "MCServers" );
 759
 760 /* Test memcached servers */
 761
 762 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 763         $conf->MCServerArray = wfArrayMap( 'trim', explode( ',', $conf->MCServers ) );
 764         foreach ( $conf->MCServerArray as $server ) {
 765                 $error = testMemcachedServer( $server );
 766                 if ( $error ) {
 767                         $errs["MCServers"] = $error;
 768                         break;
 769                 }
 770         }
 771 } else if ( $conf->Shm == 'memcached' ) {
 772         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 773 }
 774
 775 /* default values for installation */
 776 $conf->Email     = importRequest("Email", "email_enabled");
 777 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 778 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 779 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 780
 781 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 782         do { /* So we can 'continue' to end prematurely */
 783                 $conf->Root = ($conf->RootPW != "");
 784
 785                 /* Load up the settings and get installin' */
 786                 $local = writeLocalSettings( $conf );
 787                 echo "<li style=\"list-style: none\">\n";
 788                 echo "<p><b>Generating configuration file...</b></p>\n";
 789                 echo "</li>\n";
 790
 791                 $wgCommandLineMode = false;
 792                 chdir( ".." );
 793                 $ok = eval( $local );
 794                 if( $ok === false ) {
 795                         dieout( "<p>Errors in generated configuration; " .
 796                                 "most likely due to a bug in the installer... " .
 797                                 "Config file was: </p>" .
 798                                 "<pre>" .
 799                                 htmlspecialchars( $local ) .
 800                                 "</pre>" );
 801                 }
 802                 $conf->DBtypename = '';
 803                 foreach (array_keys($ourdb) as $db) {
 804                         if ($conf->DBtype === $db)
 805                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 806                 }
 807                 if ( ! strlen($conf->DBtype)) {
 808                         $errs["DBpicktype"] = "Please choose a database type";
 809                         continue;
 810                 }
 811
 812                 if (! $conf->DBtypename) {
 813                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 814                         continue;
 815                 }
 816                 print "<li>Database type: " . htmlspecialchars( $conf->DBtypename ) . "</li>\n";
 817                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 818                 $wgDBtype = $conf->DBtype;
 819                 $wgDBadminuser = "root";
 820                 $wgDBadminpassword = $conf->RootPW;
 821
 822                 ## Mysql specific:
 823                 $wgDBprefix = $conf->DBprefix;
 824
 825                 ## Postgres specific:
 826                 $wgDBport      = $conf->DBport;
 827                 $wgDBmwschema  = $conf->DBmwschema;
 828                 $wgDBts2schema = $conf->DBts2schema;
 829
 830                 if( $conf->DBprefix2 != '' ) {
 831                         // For MSSQL
 832                         $wgDBprefix = $conf->DBprefix2;
 833                 } elseif( $conf->DBprefix_ora != '' ) {
 834                         // For Oracle
 835                         $wgDBprefix = $conf->DBprefix_ora;
 836                 }
 837
 838                 ## DB2 specific:
 839                 $wgDBcataloged = $conf->DBcataloged;
 840
 841                 $wgCommandLineMode = true;
 842                 if (! defined ( 'STDERR' ) )
 843                         define( 'STDERR', fopen("php://stderr", "wb"));
 844                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 845                 require_once( "$IP/includes/Setup.php" );
 846                 Language::getLocalisationCache()->disableBackend();
 847
 848                 chdir( "config" );
 849
 850                 $wgTitle = Title::newFromText( "Installation script" );
 851                 error_reporting( E_ALL );
 852                 print "<li>Loading class: " . htmlspecialchars( $dbclass ) . "</li>\n";
 853                 if ( $conf->DBtype != 'sqlite' ) {
 854                         $dbc = new $dbclass;
 855                 }
 856
 857                 if( $conf->DBtype == 'mysql' ) {
 858                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 859                         if( $mysqlOldClient ) {
 860                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 861                                         using a MySQL 4.1 server and have problems connecting to the database,
 862                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 863                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 864                         }
 865                         $ok = true; # Let's be optimistic
 866
 867                         # Decide if we're going to use the superuser or the regular database user
 868                         $conf->Root = $useRoot;
 869                         if( $conf->Root ) {
 870                                 $db_user = $conf->RootUser;
 871                                 $db_pass = $conf->RootPW;
 872                         } else {
 873                                 $db_user = $wgDBuser;
 874                                 $db_pass = $wgDBpassword;
 875                         }
 876
 877                         # Attempt to connect
 878                         echo( "<li>Attempting to connect to database server as " . htmlspecialchars( $db_user ) . "..." );
 879                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 880
 881                         # Check the connection and respond to errors
 882                         if( $wgDatabase->isOpen() ) {
 883                                 # Seems OK
 884                                 $ok = true;
 885                                 $wgDBadminuser = $db_user;
 886                                 $wgDBadminpassword = $db_pass;
 887                                 echo( "success.</li>\n" );
 888                                 $wgDatabase->ignoreErrors( true );
 889                                 $myver = $wgDatabase->getServerVersion();
 890                         } else {
 891                                 # There were errors, report them and back out
 892                                 $ok = false;
 893                                 $errno = mysql_errno();
 894                                 $errtx = htmlspecialchars( mysql_error() );
 895                                 switch( $errno ) {
 896                                         case 1045:
 897                                         case 2000:
 898                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 899                                                 if( $conf->Root ) {
 900                                                         # The superuser details are wrong
 901                                                         $errs["RootUser"] = "Check username";
 902                                                         $errs["RootPW"] = "and password";
 903                                                 } else {
 904                                                         # The regular user details are wrong
 905                                                         $errs["DBuser"] = "Check username";
 906                                                         $errs["DBpassword"] = "and password";
 907                                                 }
 908                                                 break;
 909                                         case 2002:
 910                                         case 2003:
 911                                         default:
 912                                                 # General connection problem
 913                                                 echo( htmlspecialchars( "failed with error [$errno] $errtx." ) . "</li>\n" );
 914                                                 $errs["DBserver"] = "Connection failed";
 915                                                 break;
 916                                 } # switch
 917                         } #conn. att.
 918
 919                         if( !$ok ) { continue; }
 920                 }
 921                 else if( $conf->DBtype == 'ibm_db2' ) {
 922                         if( $useRoot ) {
 923                                 $db_user = $conf->RootUser;
 924                                 $db_pass = $conf->RootPW;
 925                         } else {
 926                                 $db_user = $wgDBuser;
 927                                 $db_pass = $wgDBpassword;
 928                         }
 929
 930                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
 931                                 "\" as \"" . htmlspecialchars( $db_user ) . "\"..." );
 932                         $wgDatabase = $dbc->newFromParams($wgDBserver, $db_user, $db_pass, $wgDBname, 1);
 933                         if (!$wgDatabase->isOpen()) {
 934                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 935                         } else {
 936                                 $myver = $wgDatabase->getServerVersion();
 937                         }
 938                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 939
 940                 } elseif ( $conf->DBtype == 'sqlite' ) {
 941                         if ("$wgSQLiteDataDir" == '') {
 942                                 $wgSQLiteDataDir = dirname($_SERVER['DOCUMENT_ROOT']).'/data';
 943                         }
 944                         echo "<li>Attempting to connect to SQLite database at \"" .
 945                                 htmlspecialchars( $wgSQLiteDataDir ) .  "\"";
 946                         if ( !is_dir( $wgSQLiteDataDir ) ) {
 947                                 if ( is_writable( dirname( $wgSQLiteDataDir ) ) ) {
 948                                         $ok = wfMkdirParents( $wgSQLiteDataDir, $wgSQLiteDataDirMode );
 949                                 } else {
 950                                         $ok = false;
 951                                 }
 952                                 if ( !$ok ) {
 953                                         echo ": cannot create data directory</li>";
 954                                         $errs['SQLiteDataDir'] = 'Enter a valid data directory';
 955                                         continue;
 956                                 }
 957                         }
 958                         if ( !is_writable( $wgSQLiteDataDir ) ) {
 959                                 echo ": data directory not writable</li>";
 960                                 $errs['SQLiteDataDir'] = 'Enter a writable data directory';
 961                                 continue;
 962                         }
 963                         $dataFile = "$wgSQLiteDataDir/$wgDBname.sqlite";
 964                         if ( file_exists( $dataFile ) && !is_writable( $dataFile ) ) {
 965                                 echo ": data file not writable</li>";
 966                                 $errs['SQLiteDataDir'] = "$wgDBname.sqlite is not writable";
 967                                 continue;
 968                         }
 969                         $wgDatabase = new DatabaseSqlite( false, false, false, $wgDBname, 1 );
 970                         if (!$wgDatabase->isOpen()) {
 971                                 print ": error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 972                                 $errs['SQLiteDataDir'] = 'Could not connect to database';
 973                                 continue;
 974                         } else {
 975                                 $myver = $wgDatabase->getServerVersion();
 976                         }
 977                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 978                         echo "ok</li>\n";
 979                 } elseif ( $conf->DBtype == 'oracle' ) {
 980                         echo "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
 981                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
 982                         if (!$wgDatabase->isOpen()) {
 983                                 $ok = true;
 984                                 echo "<li>Connect failed.</li>";
 985                                 if ($useRoot) {
 986                                         if (ini_get('oci8.privileged_connect') === false) {
 987                                                 echo "<li>Privileged connect disabled, please set oci8.privileged_connect or run maintenance/ora/user.sql script manually prior to continuing.</li>";
 988                                                 $ok = false;
 989                                         } else {
 990                                                 $wgDBadminuser = $conf->RootUser;
 991                                                 $wgDBadminpassword = $conf->RootPW;
 992                                                 echo "<li>Attempting to create DB user.</li>";
 993                                                 $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBadminuser, $wgDBadminpassword, $wgDBname, 1, 64);
 994                                                 if ($wgDatabase->isOpen()) {
 995                                                         $wgDBOracleDefTS = $conf->DBdefTS_ora;
 996                                                         $wgDBOracleTempTS = $conf->DBtempTS_ora;
 997                                                         $wgDatabase->sourceFile( "../maintenance/ora/user.sql"  );
 998                                                 } else {
 999                                                         echo "<li>Invalid database superuser, please supply a valid superuser account.</li>";
1000                                                         echo "<li>ERR: ".print_r(oci_error(), true)."</li>";
1001                                                         $ok = false;
1002                                                 }
1003                                         }
1004                                 } else {
1005                                         echo "<li>Database superuser missing, please supply a valid superuser account.</li>";
1006                                         $ok = false;
1007                                 }
1008                                 if (!$ok) {
1009                                         $errs["RootUser"] = "Check username";
1010                                         $errs["RootPW"] = "and password";
1011                                 } else {
1012                                         echo "<li>Attempting to connect to database with new user \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
1013                                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
1014                                 }
1015                         }
1016                         if ($ok) {
1017                                 $myver = $wgDatabase->getServerVersion();
1018                         }
1019                 } else { # not mysql
1020                         error_reporting( E_ALL );
1021                         $wgSuperUser = '';
1022                         ## Possible connect as a superuser
1023                         // Changed !mysql to postgres check since it seems to only apply to postgres
1024                         if( $useRoot && $conf->DBtype == 'postgres' ) {
1025                                 $wgDBsuperuser = $conf->RootUser;
1026                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"" .
1027                                         htmlspecialchars( $wgDBsuperuser ) . "\"..." );
1028                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
1029                                 if (!$wgDatabase->isOpen()) {
1030                                         print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1031                                         $errs["DBserver"] = "Could not connect to database as superuser";
1032                                         $errs["RootUser"] = "Check username";
1033                                         $errs["RootPW"] = "and password";
1034                                         continue;
1035                                 }
1036                                 $wgDatabase->initial_setup($conf->RootPW, 'postgres');
1037                         }
1038                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
1039                                 "\" as \"" . htmlspecialchars( $wgDBuser ) . "\"..." );
1040                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
1041                         if (!$wgDatabase->isOpen()) {
1042                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1043                                 $errs["DBserver"] = "Could not connect to database as user";
1044                                 $errs["DBuser"] = "Check username";
1045                                 $errs["DBpassword"] = "and password";
1046                                 continue;
1047                         } else {
1048                                 $myver = $wgDatabase->getServerVersion();
1049                         }
1050                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
1051                 }
1052
1053                 if ( !$wgDatabase->isOpen() ) {
1054                         $errs["DBserver"] = "Couldn't connect to database";
1055                         continue;
1056                 }
1057
1058                 print "<li>Connected to " . htmlspecialchars( "{$conf->DBtype} $myver" );
1059                 if ($conf->DBtype == 'mysql') {
1060                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
1061                                 print "</li>\n";
1062                                 dieout( "-- mysql 4.0.14 or later required. Aborting." );
1063                         }
1064                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
1065                         if( $mysqlNewAuth && $mysqlOldClient ) {
1066                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
1067                                         to old client libraries; if you have trouble with authentication, see
1068                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
1069                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
1070                         }
1071                         if( $wgDBmysql5 ) {
1072                                 if( $mysqlNewAuth ) {
1073                                         print "; enabling MySQL 4.1/5.0 charset mode";
1074                                 } else {
1075                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
1076                                                 but older version detected; will likely fail.</b>";
1077                                 }
1078                         }
1079                         print "</li>\n";
1080
1081                         @$sel = $wgDatabase->selectDB( $wgDBname );
1082                         if( $sel ) {
1083                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
1084                         } else {
1085                                 $err = mysql_errno();
1086                                 $databaseSafe = htmlspecialchars( $wgDBname );
1087                                 if( $err == 1102 /* Invalid database name */ ) {
1088                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
1089                                         continue;
1090                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
1091                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
1092                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
1093                                         continue;
1094                                 }
1095                                 print "<li>Attempting to create database...</li>";
1096                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
1097                                 if( !$res ) {
1098                                         print "<li>Couldn't create database <tt>" .
1099                                                 htmlspecialchars( $wgDBname ) .
1100                                                 "</tt>; try with root access or check your username/pass.</li>\n";
1101                                         $errs["RootPW"] = "<- Enter";
1102                                         continue;
1103                                 }
1104                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
1105                         }
1106                         $wgDatabase->selectDB( $wgDBname );
1107                 }
1108                 else if ($conf->DBtype == 'postgres') {
1109                         if( version_compare( $myver, "8.0" ) < 0 ) {
1110                                 dieout( "<b>Postgres 8.0 or later is required</b>. Aborting." );
1111                         }
1112                 }
1113
1114                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
1115                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
1116
1117                         if ( $conf->DBtype == 'mysql') {
1118                                 # Determine existing default character set
1119                                 if ( $wgDatabase->tableExists( "revision" ) ) {
1120                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
1121                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
1122                                         $row = $wgDatabase->fetchObject( $res );
1123                                         if ( !$row ) {
1124                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
1125                                                 $existingSchema = false;
1126                                                 $existingEngine = false;
1127                                         } else {
1128                                                 if ( preg_match( '/^latin1/', $row->Collation ) ) {
1129                                                         $existingSchema = 'mysql4';
1130                                                 } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
1131                                                         $existingSchema = 'mysql5';
1132                                                 } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
1133                                                         $existingSchema = 'mysql5-binary';
1134                                                 } else {
1135                                                         $existingSchema = false;
1136                                                         echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
1137                                                 }
1138                                                 if ( isset( $row->Engine ) ) {
1139                                                         $existingEngine = $row->Engine;
1140                                                 } else {
1141                                                         $existingEngine = $row->Type;
1142                                                 }
1143                                         }
1144                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
1145                                                 $encExisting = htmlspecialchars( $existingSchema );
1146                                                 $encRequested = htmlspecialchars( $conf->DBschema );
1147                                                 print "<li><strong>Warning:</strong> you requested the $encRequested schema, " .
1148                                                         "but the existing database has the $encExisting schema. This upgrade script ".
1149                                                         "can't convert it, so it will remain $encExisting.</li>\n";
1150                                                 $conf->setSchema( $existingSchema, $conf->DBengine );
1151                                         }
1152                                         if ( $existingEngine && $existingEngine != $conf->DBengine ) {
1153                                                 $encExisting = htmlspecialchars( $existingEngine );
1154                                                 $encRequested = htmlspecialchars( $conf->DBengine );
1155                                                 print "<li><strong>Warning:</strong> you requested the $encRequested storage " .
1156                                                         "engine, but the existing database uses the $encExisting engine. This upgrade " .
1157                                                         "script can't convert it, so it will remain $encExisting.</li>\n";
1158                                                 $conf->setSchema( $conf->DBschema, $existingEngine );
1159                                         }
1160                                 }
1161
1162                                 # Create user if required
1163                                 if ( $conf->Root ) {
1164                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1165                                         if ( $conn->isOpen() ) {
1166                                                 print "<li>DB user account ok</li>\n";
1167                                                 $conn->close();
1168                                         } else {
1169                                                 print "<li>Granting user permissions...";
1170                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
1171                                                         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>";
1172                                                 }
1173                                                 print "</li>\n";
1174                                                 $wgDatabase->sourceFile( "../maintenance/users.sql" );
1175                                         }
1176                                 }
1177                         }
1178                         print "</ul><pre>\n";
1179                         chdir( ".." );
1180                         flush();
1181                         do_all_updates();
1182                         chdir( "config" );
1183                         print "</pre>\n";
1184                         print "<ul><li>Finished update checks.</li>\n";
1185                 } else {
1186                         # Determine available storage engines if possible
1187                         if ( $conf->DBtype == 'mysql' && version_compare( $myver, "4.1.2", "ge" ) ) {
1188                                 $res = $wgDatabase->query( 'SHOW ENGINES' );
1189                                 $found = false;
1190                                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
1191                                         if ( $row->Engine == $conf->DBengine && ( $row->Support == 'YES' || $row->Support == 'DEFAULT' ) ) {
1192                                                 $found = true;
1193                                                 break;
1194                                         }
1195                                 }
1196                                 $wgDatabase->freeResult( $res );
1197                                 if ( !$found && $conf->DBengine != 'MyISAM' ) {
1198                                         echo "<li><strong>Warning:</strong> " . htmlspecialchars( $conf->DBengine ) .
1199                                                 " storage engine not available, " .
1200                                                 "using MyISAM instead</li>\n";
1201                                         $conf->setSchema( $conf->DBschema, 'MyISAM' );
1202                                 }
1203                         }
1204
1205                         # FIXME: Check for errors
1206                         print "<li>Creating tables...";
1207                         if ($conf->DBtype == 'mysql') {
1208                                 $wgDatabase->sourceFile( "../maintenance/tables.sql" );
1209                                 $wgDatabase->sourceFile( "../maintenance/interwiki.sql" );
1210                         } elseif (is_callable(array($wgDatabase, 'setup_database'))) {
1211                                 $wgDatabase->setup_database();
1212                         }
1213                         else {
1214                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
1215                                 continue;
1216                         }
1217
1218                         print " done.</li>\n";
1219
1220                         print "<li>Initializing statistics...</li>\n";
1221                         $wgDatabase->insert( 'site_stats',
1222                                 array ( 'ss_row_id'        => 1,
1223                                                 'ss_total_views'   => 0,
1224                                                 'ss_total_edits'   => 1, # Main page first edit
1225                                                 'ss_good_articles' => 0, # Main page is not a good article - no internal link
1226                                                 'ss_total_pages'   => 1, # Main page
1227                                                 'ss_users'         => $conf->SysopName ? 1 : 0, # Sysop account, if created
1228                                                 'ss_admins'        => $conf->SysopName ? 1 : 0, # Sysop account, if created
1229                                                 'ss_images'        => 0 ) );
1230
1231                         # Set up the "regular user" account *if we can, and if we need to*
1232                         if( $conf->Root and $conf->DBtype == 'mysql') {
1233                                 # See if we need to
1234                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1235                                 if( $wgDatabase2->isOpen() ) {
1236                                         # Nope, just close the test connection and continue
1237                                         $wgDatabase2->close();
1238                                         echo( "<li>User " . htmlspecialchars( $wgDBuser ) . " exists. Skipping grants.</li>\n" );
1239                                 } else {
1240                                         # Yes, so run the grants
1241                                         echo( "<li>" . htmlspecialchars( "Granting user permissions to $wgDBuser on $wgDBname..." ) );
1242                                         $wgDatabase->sourceFile( "../maintenance/users.sql" );
1243                                         echo( "success.</li>\n" );
1244                                 }
1245                         }
1246
1247                         if( $conf->SysopName ) {
1248                                 $u = User::newFromName( $conf->getSysopName() );
1249                                 if ( !$u ) {
1250                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
1251                                 }
1252                                 else if ( 0 == $u->idForName() ) {
1253                                         $u->addToDatabase();
1254                                         $u->setPassword( $conf->getSysopPass() );
1255                                         $u->saveSettings();
1256
1257                                         $u->addGroup( "sysop" );
1258                                         $u->addGroup( "bureaucrat" );
1259
1260                                         print "<li>Created sysop account <tt>" .
1261                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
1262                                 } else {
1263                                         print "<li>Could not create user - already exists!</li>\n";
1264                                 }
1265                         } else {
1266                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
1267                         }
1268
1269                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
1270                         $article = new Article( $titleobj );
1271                         $newid = $article->insertOn( $wgDatabase );
1272                         $revision = new Revision( array(
1273                                 'page'      => $newid,
1274                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1275                                 'comment'   => '',
1276                                 'user'      => 0,
1277                                 'user_text' => 'MediaWiki default',
1278                                 ) );
1279                         $revid = $revision->insertOn( $wgDatabase );
1280                         $article->updateRevisionOn( $wgDatabase, $revision );
1281                 }
1282                 // Now that all database work is done, make sure everything is committed
1283                 $wgDatabase->commit();
1284
1285                 /* Write out the config file now that all is well */
1286                 print "<li style=\"list-style: none\">\n";
1287                 print "<p>Creating LocalSettings.php...</p>\n\n";
1288                 $localSettings = "<" . "?php$endl$local";
1289                 // Fix up a common line-ending problem (due to CVS on Windows)
1290                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1291                 $f = fopen( "LocalSettings.php", 'xt' );
1292
1293                 if( $f == false ) {
1294                         print( "</li>\n" );
1295                         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" .
1296                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1297                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1298                 }
1299                 if(fwrite( $f, $localSettings ) ) {
1300                         fclose( $f );
1301                         print "<hr/>\n";
1302                         writeSuccessMessage();
1303                         print "</li>\n";
1304                 } else {
1305                         fclose( $f );
1306                         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" );
1307                 }
1308
1309         } while( false );
1310 }
1311
1312 print "</ul>\n";
1313 $mainListOpened = false;
1314
1315 if( count( $errs ) ) {
1316         /* Display options form */
1317
1318         if( $conf->posted ) {
1319                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1320         }
1321 ?>
1322
1323 <form action="<?php echo defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php'; ?>" name="config" method="post">
1324
1325 <h2>Site config</h2>
1326
1327 <div class="config-section">
1328         <div class="config-input">
1329                 <?php aField( $conf, "Sitename", "Wiki name:" ); ?>
1330         </div>
1331         <p class="config-desc">
1332                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1333                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1334         </p>
1335         <div class="config-input"><?php aField( $conf, "EmergencyContact", "Contact e-mail:" ); ?></div>
1336         <p class="config-desc">
1337                 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.
1338         </p>
1339
1340         <div class="config-input">
1341                 <label class='column' for="LanguageCode">Language:</label>
1342                 <select id="LanguageCode" name="LanguageCode"><?php
1343                         $list = getLanguageList();
1344                         foreach( $list as $code => $name ) {
1345                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1346                                 $encCode = htmlspecialchars( $code );
1347                                 $encName = htmlspecialchars( $name );
1348                                 echo "\n\t\t<option value=\"$encCode\" $sel>$encName</option>";
1349                         }
1350                         echo "\n";
1351                 ?>
1352                 </select>
1353         </div>
1354         <p class="config-desc">
1355                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1356         </p>
1357
1358         <div class="config-input">
1359                 <label class='column'>Copyright/license:</label>
1360
1361                 <ul class="plain">
1362                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1363                 <li><?php aField( $conf, "License", "Public Domain", "radio", "pd" ); ?></li>
1364                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2", "radio", "gfdl1_2" ); ?></li>
1365                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.3", "radio", "gfdl1_3" ); ?></li>
1366                 <li><?php
1367                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1368                         $partner = "MediaWiki";
1369    $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1370                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/$script?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1371                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1372                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1373                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1374                         if( $conf->License == "cc" ) { ?>
1375                         <ul>
1376                         <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1377                         <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1378                         <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1379                         <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1380                         </ul>
1381                         <?php } ?>
1382                         </li>
1383                 </ul>
1384         </div>
1385         <p class="config-desc">
1386                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1387         </p>
1388
1389
1390         <div class="config-input">
1391                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1392         </div>
1393         <div class="config-input">
1394                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1395         </div>
1396         <div class="config-input">
1397                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1398         </div>
1399         <p class="config-desc">
1400                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1401                 A new account will be added only when creating a new wiki database.
1402                 <br /><br />
1403                 The password cannot be the same as the username.
1404         </p>
1405
1406         <div class="config-input">
1407                 <label class='column'>Object caching:</label>
1408
1409                 <ul class="plain">
1410                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1411                 <?php
1412                         if ( $conf->turck ) {
1413                                 echo "<li>";
1414                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1415                                 echo "</li>\n";
1416                         }
1417                         if( $conf->xcache ) {
1418                                 echo "<li>";
1419                                 aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
1420                                 echo "</li>\n";
1421                         }
1422                         if ( $conf->apc ) {
1423                                 echo "<li>";
1424                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1425                                 echo "</li>\n";
1426                         }
1427                         if ( $conf->eaccel ) {
1428                                 echo "<li>";
1429                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1430                                 echo "</li>\n";
1431                         }
1432                         if ( $conf->dba ) {
1433                                 echo "<li>";
1434                                 aField( $conf, "Shm", "DBA (not recommended)", "radio", "dba" );
1435                                 echo "</li>";
1436                         }
1437                 ?>
1438                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1439                 </ul>
1440                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1441         </div>
1442         <p class="config-desc">
1443                 An object caching system such as memcached will provide a significant performance boost,
1444                 but needs to be installed. Provide the server addresses and ports in a comma-separated list.
1445                 <br /><br />
1446                 MediaWiki can also detect and support eAccelerator, Turck MMCache, APC, and XCache, but
1447                 these should not be used if the wiki will be running on multiple application servers.
1448                 <br/><br/>
1449                 DBA (Berkeley-style DB) is generally slower than using no cache at all, and is only
1450                 recommended for testing.
1451         </p>
1452 </div>
1453
1454 <h2>E-mail, e-mail notification and authentication setup</h2>
1455
1456 <div class="config-section">
1457         <div class="config-input">
1458                 <label class='column'>E-mail features (global):</label>
1459                 <ul class="plain">
1460                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1461                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1462                 </ul>
1463         </div>
1464         <p class="config-desc">
1465                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1466                 if sending mail doesn't work on your server.
1467         </p>
1468
1469         <div class="config-input">
1470                 <label class='column'>User-to-user e-mail:</label>
1471                 <ul class="plain">
1472                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1473                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1474                 </ul>
1475         </div>
1476         <p class="config-desc">
1477                 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.
1478         </p>
1479         <div class="config-input">
1480                 <label class='column'>E-mail notification about changes:</label>
1481                 <ul class="plain">
1482                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1483                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1484                 <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>
1485                 </ul>
1486         </div>
1487         <div class="config-desc">
1488                 <p>
1489                 For this feature to work, an e-mail address must be present for the user account, and the notification
1490                 options in the user's preferences must be enabled. Also note the
1491                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1492
1493                 <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>
1494         </div>
1495
1496         <div class="config-input">
1497                 <label class='column'>E-mail address authentication:</label>
1498                 <ul class="plain">
1499                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1500                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1501                 </ul>
1502         </div>
1503         <div class="config-desc">
1504                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1505                 change notification mails. Setting this option is <b>recommended</b> for public wikis because of potential abuse of the e-mail features above.</p>
1506         </div>
1507
1508 </div>
1509
1510 <h2>Database config</h2>
1511
1512 <div class="config-section">
1513 <div class="config-input">
1514         <label class='column'>Database type:</label>
1515 <?php
1516         if (isset($errs['DBpicktype'])) {
1517                 print "\t<span class='error'>" . htmlspecialchars( $errs['DBpicktype'] ) . "</span>\n";
1518         }
1519 ?>
1520         <ul class='plain'><?php
1521                 database_picker($conf);
1522         ?></ul>
1523         </div>
1524
1525         <div class="config-input" style="clear:left">
1526         <?php aField( $conf, "DBserver", "Database host:" ); ?>
1527         </div>
1528         <p class="config-desc">
1529                 If your database server isn't on your web server, enter the name or IP address here.
1530         </p>
1531
1532         <div class="config-input"><?php aField( $conf, "DBname", "Database name:" ); ?></div>
1533         <div class="config-input"><?php aField( $conf, "DBuser", "DB username:" ); ?></div>
1534         <div class="config-input"><?php aField( $conf, "DBpassword", "DB password:", "password" ); ?></div>
1535         <div class="config-input"><?php aField( $conf, "DBpassword2", "DB password confirm:", "password" ); ?></div>
1536         <p class="config-desc">
1537                 If you only have a single user account and database available,
1538                 enter those here. If you have database root access (see below)
1539                 you can specify new accounts/databases to be created. This account
1540                 will not be created if it pre-exists. If this is the case, ensure that it
1541                 has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1542         </p>
1543
1544         <div class="config-input">
1545                 <label class="column">Superuser account:</label>
1546                 <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?> />
1547                 &nbsp;<label for="useroot">Use superuser account</label>
1548                 <input type="checkbox" name="populateadmin" id="populateadmin" <?php if( $conf->populateadmin ) { ?>checked="checked" <?php } ?> />
1549                 &nbsp;<label for="populateadmin">Set as admin user for maintenance</label>
1550         </div>
1551         <div class="config-input"><?php aField( $conf, "RootUser", "Superuser name:", "text" ); ?></div>
1552         <div class="config-input"><?php aField( $conf, "RootPW", "Superuser password:", "password" ); ?></div>
1553
1554         <p class="config-desc">
1555                 If the database user specified above does not exist, or does not have access to create
1556                 the database (if needed) or tables within it, please check the box and provide details
1557                 of a superuser account, such as <strong>root</strong>, which does.
1558         </p>
1559
1560         <?php database_switcher('mysql'); ?>
1561         <div class="config-input"><?php aField( $conf, "DBprefix", "Database table prefix:" ); ?></div>
1562         <div class="config-desc">
1563                 <p>If you need to share one database between multiple wikis, or
1564                 between MediaWiki and another web application, you may choose to
1565                 add a prefix to all the table names to avoid conflicts.</p>
1566
1567                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1568         </div>
1569
1570         <div class="config-input"><label class="column">Storage Engine</label>
1571                 <div>Select one:</div>
1572                 <ul class="plain">
1573                 <li><?php aField( $conf, "DBengine", "InnoDB", "radio", "InnoDB" ); ?></li>
1574                 <li><?php aField( $conf, "DBengine", "MyISAM", "radio", "MyISAM" ); ?></li>
1575                 </ul>
1576         </div>
1577         <p class="config-desc">
1578                 InnoDB is best for public web installations, since it has good concurrency
1579                 support. MyISAM may be faster in single-user installations. MyISAM databases
1580                 tend to get corrupted more often than InnoDB databases.
1581         </p>
1582         <div class="config-input"><label class="column">Database character set</label>
1583                 <div>Select one:</div>
1584                 <ul class="plain">
1585                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1586                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1587                 <li><?php aField( $conf, "DBschema", "MySQL 4.0 backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1588                 </ul>
1589         </div>
1590         <p class="config-desc">
1591                 This option is ignored on upgrade, the same character set will be kept.
1592                 <br/><br/>
1593                 <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!.
1594                 <br/><br/>
1595                 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>.
1596         </p>
1597         </fieldset>
1598
1599         <?php database_switcher('postgres'); ?>
1600         <div class="config-input"><?php aField( $conf, "DBport", "Database port:" ); ?></div>
1601         <div class="config-input"><?php aField( $conf, "DBmwschema", "Schema for mediawiki:" ); ?></div>
1602         <div class="config-input"><?php aField( $conf, "DBts2schema", "Schema for tsearch2:" ); ?></div>
1603         <div class="config-desc">
1604                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1605                 so it is recommended that you create a new user. The above schemas are generally correct:
1606         only change them if you are sure you need to.</p>
1607         </div>
1608         </fieldset>
1609
1610         <?php database_switcher('sqlite'); ?>
1611         <div class="config-desc">
1612                 <b>NOTE:</b> SQLite only uses the <i>Database name</i> setting above, the user, password and root settings are ignored.
1613         </div>
1614         <div class="config-input"><?php
1615                 aField( $conf, "SQLiteDataDir", "SQLite data directory:" );
1616         ?></div>
1617         <div class="config-desc">
1618                 <p>SQLite stores table data into files in the filesystem.
1619                 If you do not provide an explicit path, a "data" directory in
1620                 the parent of your document root will be used.</p>
1621
1622                 <p>This directory must exist and be writable by the web server.</p>
1623         </div>
1624         </fieldset>
1625
1626         <?php database_switcher('mssql'); ?>
1627         <div class="config-input"><?php
1628                 aField( $conf, "DBprefix2", "Database table prefix:" );
1629         ?></div>
1630         <div class="config-desc">
1631                 <p>If you need to share one database between multiple wikis, or
1632                 between MediaWiki and another web application, you may choose to
1633                 add a prefix to all the table names to avoid conflicts.</p>
1634
1635                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1636         </div>
1637         </fieldset>
1638
1639         <?php database_switcher('ibm_db2'); ?>
1640         <div class="config-input"><?php
1641                 aField( $conf, "DBport_db2", "Database port:" );
1642         ?></div>
1643         <div class="config-input"><?php
1644                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1645         ?></div>
1646         <div>Select one:</div>
1647                 <ul class="plain">
1648                 <li><?php aField( $conf, "DBcataloged", "Cataloged (DB2 installed locally)", "radio", "cataloged" ); ?></li>
1649                 <li><?php aField( $conf, "DBcataloged", "Uncataloged (remote DB2 through ODBC)", "radio", "uncataloged" ); ?></li>
1650                 </ul>
1651         <div class="config-desc">
1652                 <p>If you need to share one database between multiple wikis, or
1653                 between MediaWiki and another web application, you may specify
1654                 a different schema to avoid conflicts.</p>
1655         </div>
1656         </fieldset>
1657
1658         <?php database_switcher('oracle'); ?>
1659         <div class="config-input"><?php aField( $conf, "DBprefix_ora", "Database table prefix:" ); ?></div>
1660         <div class="config-desc">
1661                 <p>If you need to share one database between multiple wikis, or
1662                 between MediaWiki and another web application, you may choose to
1663                 add a prefix to all the table names to avoid conflicts.</p>
1664
1665                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1666         </div>
1667         <div class="config-input"><?php aField( $conf, "DBdefTS_ora", "Default tablespace:" ); ?></div>
1668         <div class="config-input"><?php aField( $conf, "DBtempTS_ora", "Temporary tablespace:" ); ?></div>
1669         </fieldset>
1670
1671         <div class="config-input" style="padding:2em 0 3em">
1672                 <label class='column'>&nbsp;</label>
1673                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1674         </div>
1675 </div>
1676 </form>
1677 <script type="text/javascript">
1678 window.onload = toggleDBarea( <?php echo Xml::encodeJsVar( $conf->DBtype ); ?>,
1679 <?php
1680         ## If they passed in a root user name, don't populate it on page load
1681         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1682 ?>);
1683 </script>
1684 <?php
1685 }
1686
1687 /* -------------------------------------------------------------------------------------- */
1688 function writeSuccessMessage() {
1689  $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1690         if ( wfIniGetBool( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1691                 echo <<<EOT
1692 <div class="success-box">
1693 <p>Installation successful!</p>
1694 <p>To complete the installation, please do the following:
1695 <ol>
1696         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1697         <li>Upload it to the parent directory</li>
1698         <li>Delete config/LocalSettings.php</li>
1699         <li>Start using <a href='../$script'>your wiki</a>!
1700 </ol>
1701 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1702 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1703 which means that anyone on the same server can read your database password! Downloading
1704 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1705 </div>
1706 EOT;
1707         } else {
1708                 echo <<<EOT
1709 <div class="success-box">
1710 <p>
1711 <span class="success-message">Installation successful!</span>
1712 Move the <tt>config/LocalSettings.php</tt> file to the parent directory, then follow
1713 <a href="../$script"> this link</a> to your wiki.</p>
1714 <p>You should change file permissions for <tt>LocalSettings.php</tt> as required to
1715 prevent other users on the server reading passwords and altering configuration data.</p>
1716 </div>
1717 EOT;
1718         }
1719 }
1720
1721
1722 function escapePhpString( $string ) {
1723         if ( is_array( $string ) || is_object( $string ) ) {
1724                 return false;
1725         }
1726         return strtr( $string,
1727                 array(
1728                         "\n" => "\\n",
1729                         "\r" => "\\r",
1730                         "\t" => "\\t",
1731                         "\\" => "\\\\",
1732                         "\$" => "\\\$",
1733                         "\"" => "\\\""
1734                 ));
1735 }
1736
1737 function writeLocalSettings( $conf ) {
1738         $conf->PasswordSender = $conf->EmergencyContact;
1739         $magic = ($conf->ImageMagick ? "" : "# ");
1740         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1741         $rights = ($conf->RightsUrl) ? "" : "# ";
1742         $hashedUploads = $conf->safeMode ? '' : '# ';
1743
1744         if ( $conf->ShellLocale ) {
1745                 $locale = '';
1746         } else {
1747                 $locale = '# ';
1748                 $conf->ShellLocale = 'en_US.UTF-8';
1749         }
1750
1751         switch ( $conf->Shm ) {
1752                 case 'memcached':
1753                         $cacheType = 'CACHE_MEMCACHED';
1754                         $mcservers = var_export( $conf->MCServerArray, true );
1755                         break;
1756                 case 'turck':
1757                 case 'xcache':
1758                 case 'apc':
1759                 case 'eaccel':
1760                         $cacheType = 'CACHE_ACCEL';
1761                         $mcservers = 'array()';
1762                         break;
1763                 case 'dba':
1764                         $cacheType = 'CACHE_DBA';
1765                         $mcservers = 'array()';
1766                         break;
1767                 default:
1768                         $cacheType = 'CACHE_NONE';
1769                         $mcservers = 'array()';
1770         }
1771
1772         if ( $conf->Email == 'email_enabled' ) {
1773                 $enableemail = 'true';
1774                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1775                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1776                 switch ( $conf->Enotif ) {
1777                         case 'enotif_usertalk':
1778                                 $enotifusertalk = 'true';
1779                                 $enotifwatchlist = 'false';
1780                                 break;
1781                         case 'enotif_allpages':
1782                                 $enotifusertalk = 'true';
1783                                 $enotifwatchlist = 'true';
1784                                 break;
1785                         default:
1786                                 $enotifusertalk = 'false';
1787                                 $enotifwatchlist = 'false';
1788                 }
1789         } else {
1790                 $enableuseremail = 'false';
1791                 $enableemail = 'false';
1792                 $eauthent = 'false';
1793                 $enotifusertalk = 'false';
1794                 $enotifwatchlist = 'false';
1795         }
1796
1797         $file = @fopen( "/dev/urandom", "r" );
1798         if ( $file ) {
1799                 $secretKey = bin2hex( fread( $file, 32 ) );
1800                 fclose( $file );
1801         } else {
1802                 $secretKey = "";
1803                 for ( $i=0; $i<8; $i++ ) {
1804                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1805                 }
1806                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1807         }
1808
1809         # Add slashes to strings for double quoting
1810         $slconf = wfArrayMap( "escapePhpString", get_object_vars( $conf ) );
1811         if( $conf->License == 'gfdl1_2' || $conf->License == 'pd' || $conf->License == 'gfdl1_3' ) {
1812                 # Needs literal string interpolation for the current style path
1813                 $slconf['RightsIcon'] = $conf->RightsIcon;
1814         }
1815
1816         if( $conf->populateadmin ) {
1817                 $slconf['DBadminuser'] = $conf->RootUser;
1818                 $slconf['DBadminpassword'] = $conf->RootPW;
1819         }
1820
1821         if( $conf->DBtype == 'mysql' ) {
1822                 $dbsettings =
1823 "# MySQL specific settings
1824 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1825
1826 # MySQL table options to use during installation or update
1827 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1828
1829 # Experimental charset support for MySQL 4.1/5.0.
1830 \$wgDBmysql5 = {$conf->DBmysql5};";
1831         } elseif( $conf->DBtype == 'postgres' ) {
1832                 $dbsettings =
1833 "# Postgres specific settings
1834 \$wgDBport           = \"{$slconf['DBport']}\";
1835 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1836 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";";
1837         } elseif( $conf->DBtype == 'sqlite' ) {
1838                 $dbsettings =
1839 "# SQLite-specific settings
1840 \$wgSQLiteDataDir    = \"{$slconf['SQLiteDataDir']}\";";
1841         } elseif( $conf->DBtype == 'mssql' ) {
1842                 $dbsettings =
1843 "# MSSQL specific settings
1844 \$wgDBprefix         = \"{$slconf['DBprefix2']}\";";
1845         } elseif( $conf->DBtype == 'ibm_db2' ) {
1846                 $dbsettings =
1847 "# DB2 specific settings
1848 \$wgDBport_db2       = \"{$slconf['DBport_db2']}\";
1849 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1850 \$wgDBcataloged      = \"{$slconf['DBcataloged']}\";";
1851         } elseif( $conf->DBtype == 'oracle' ) {
1852                 $dbsettings =
1853 "# Oracle specific settings
1854 \$wgDBprefix         = \"{$slconf['DBprefix']}\";";
1855         } else {
1856                 // ummm... :D
1857                 $dbsettings = '';
1858         }
1859
1860
1861         $localsettings = "
1862 # This file was automatically generated by the MediaWiki installer.
1863 # If you make manual changes, please keep track in case you need to
1864 # recreate them later.
1865 #
1866 # See includes/DefaultSettings.php for all configurable settings
1867 # and their default values, but don't forget to make changes in _this_
1868 # file, not there.
1869 #
1870 # Further documentation for configuration settings may be found at:
1871 # http://www.mediawiki.org/wiki/Manual:Configuration_settings
1872
1873 # If you customize your file layout, set \$IP to the directory that contains
1874 # the other MediaWiki files. It will be used as a base to locate files.
1875 if( defined( 'MW_INSTALL_PATH' ) ) {
1876         \$IP = MW_INSTALL_PATH;
1877 } else {
1878         \$IP = dirname( __FILE__ );
1879 }
1880
1881 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1882 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1883
1884 require_once( \"\$IP/includes/DefaultSettings.php\" );
1885
1886 if ( \$wgCommandLineMode ) {
1887         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1888                 die( \"This script must be run from the command line\\n\" );
1889         }
1890 }
1891 ## Uncomment this to disable output compression
1892 # \$wgDisableOutputCompression = true;
1893
1894 \$wgSitename         = \"{$slconf['Sitename']}\";
1895
1896 ## The URL base path to the directory containing the wiki;
1897 ## defaults for all runtime URL paths are based off of this.
1898 ## For more information on customizing the URLs please see:
1899 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1900 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1901 \$wgScriptExtension  = \"{$slconf['ScriptExtension']}\";
1902
1903 ## UPO means: this is also a user preference option
1904
1905 \$wgEnableEmail      = $enableemail;
1906 \$wgEnableUserEmail  = $enableuseremail; # UPO
1907
1908 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1909 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1910
1911 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1912 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1913 \$wgEmailAuthentication = $eauthent;
1914
1915 ## Database settings
1916 \$wgDBtype           = \"{$slconf['DBtype']}\";
1917 \$wgDBserver         = \"{$slconf['DBserver']}\";
1918 \$wgDBname           = \"{$slconf['DBname']}\";
1919 \$wgDBuser           = \"{$slconf['DBuser']}\";
1920 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1921
1922 {$dbsettings}
1923
1924 ## Database admin settings, used for maintenance scripts
1925 \$wgDBadminuser     = \"". ($conf->populateadmin ? $slconf['DBadminuser'] : '' )."\";
1926 \$wgDBadminpassword     = \"". ($conf->populateadmin ? $slconf['DBadminpassword'] : '' )."\";
1927
1928 ## Shared memory settings
1929 \$wgMainCacheType = $cacheType;
1930 \$wgMemCachedServers = $mcservers;
1931
1932 ## To enable image uploads, make sure the 'images' directory
1933 ## is writable, then set this to true:
1934 \$wgEnableUploads       = false;
1935 {$magic}\$wgUseImageMagick = true;
1936 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1937
1938 ## If you use ImageMagick (or any other shell command) on a
1939 ## Linux server, this will need to be set to the name of an
1940 ## available UTF-8 locale
1941 {$locale}\$wgShellLocale = \"{$slconf['ShellLocale']}\";
1942
1943 ## If you want to use image uploads under safe mode,
1944 ## create the directories images/archive, images/thumb and
1945 ## images/temp, and make them all writable. Then uncomment
1946 ## this, if it's not already uncommented:
1947 {$hashedUploads}\$wgHashedUploadDirectory = false;
1948
1949 ## If you have the appropriate support software installed
1950 ## you can enable inline LaTeX equations:
1951 \$wgUseTeX           = false;
1952
1953 ## Set \$wgCacheDirectory to a writable directory on the web server
1954 ## to make your wiki go slightly faster. The directory should not
1955 ## be publically accessible from the web.
1956 #\$wgCacheDirectory = \"\$IP/cache\";
1957
1958 \$wgLocalInterwiki   = strtolower( \$wgSitename );
1959
1960 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1961
1962 \$wgSecretKey = \"$secretKey\";
1963
1964 ## Default skin: you can change the default skin. Use the internal symbolic
1965 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1966 \$wgDefaultSkin = 'monobook';
1967
1968 ## For attaching licensing metadata to pages, and displaying an
1969 ## appropriate copyright notice / icon. GNU Free Documentation
1970 ## License and Creative Commons licenses are supported so far.
1971 {$rights}\$wgEnableCreativeCommonsRdf = true;
1972 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1973 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1974 \$wgRightsText = \"{$slconf['RightsText']}\";
1975 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1976 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1977
1978 \$wgDiff3 = \"{$slconf['diff3']}\";
1979
1980 \$wgPhpCliPath = \"{$slconf['phpCliPath']}\";
1981
1982 # When you make changes to this configuration file, this will make
1983 # sure that cached pages are cleared.
1984 \$wgCacheEpoch = max( \$wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
1985 "; ## End of setting the $localsettings string
1986
1987         // Keep things in Unix line endings internally;
1988         // the system will write out as local text type.
1989         return str_replace( "\r\n", "\n", $localsettings );
1990 }
1991
1992 function dieout( $text ) {
1993         global $mainListOpened;
1994         if( $mainListOpened ) echo( "</ul>" );
1995         if( $text != '' && substr( $text, 0, 2 ) != '<p'  && substr( $text, 0, 2 ) != '<h' ){
1996                 echo "<p>$text</p>\n";
1997         } else {
1998                 echo $text;
1999         }
2000         die( "\n\n</div>\n</div>\n</div>\n</div>\n</body>\n</html>" );
2001 }
2002
2003 function importVar( &$var, $name, $default = "" ) {
2004         if( isset( $var[$name] ) ) {
2005                 $retval = $var[$name];
2006                 if ( get_magic_quotes_gpc() ) {
2007                         $retval = stripslashes( $retval );
2008                 }
2009         } else {
2010                 $retval = $default;
2011         }
2012         taint( $retval );
2013         return $retval;
2014 }
2015
2016 function importPost( $name, $default = "" ) {
2017         return importVar( $_POST, $name, $default );
2018 }
2019
2020 function importCheck( $name ) {
2021         return isset( $_POST[$name] );
2022 }
2023
2024 function importRequest( $name, $default = "" ) {
2025         return importVar( $_REQUEST, $name, $default );
2026 }
2027
2028 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
2029         static $radioCount = 0;
2030         if( $type != "" ) {
2031                 $xtype = "type=\"$type\"";
2032         } else {
2033                 $xtype = "";
2034         }
2035
2036         $id = $field;
2037         $nolabel = ($type == "radio") || ($type == "hidden");
2038
2039         if ($type == 'radio')
2040                 $id .= $radioCount++;
2041
2042         if( !$nolabel ) {
2043                 echo "<label class='column' for=\"$id\">$text</label>";
2044         }
2045
2046         if( $type == "radio" && $value == $conf->$field ) {
2047                 $checked = "checked='checked'";
2048         } else {
2049                 $checked = "";
2050         }
2051         echo "<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
2052         if ($onclick) {
2053                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
2054         }
2055         echo "value=\"";
2056         if( $type == "radio" ) {
2057                 echo htmlspecialchars( $value );
2058         } else {
2059                 echo htmlspecialchars( $conf->$field );
2060         }
2061
2062
2063         echo "\" />";
2064         if( $nolabel ) {
2065                 echo "<label for=\"$id\">$text</label>";
2066         }
2067
2068         global $errs;
2069         if(isset($errs[$field])) {
2070                 echo "<span class='error'>" . htmlspecialchars( $errs[$field] ) . "</span>\n";
2071         }
2072 }
2073
2074 function getLanguageList() {
2075         global $wgLanguageNames, $IP;
2076         if( !isset( $wgLanguageNames ) ) {
2077                 require_once( "$IP/languages/Names.php" );
2078         }
2079
2080         $codes = array();
2081
2082         $d = opendir( "../languages/messages" );
2083         /* In case we are called from the root directory */
2084         if (!$d)
2085                 $d = opendir( "languages/messages");
2086         while( false !== ($f = readdir( $d ) ) ) {
2087                 $m = array();
2088                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
2089                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
2090                         if( isset( $wgLanguageNames[$code] ) ) {
2091                                 $name = wfBCP47( $code ) . ' - ' . $wgLanguageNames[$code];
2092                         } else {
2093                                 $name = $code;
2094                         }
2095                         $codes[$code] = $name;
2096                 }
2097         }
2098         closedir( $d );
2099         ksort( $codes );
2100         return $codes;
2101 }
2102
2103 #Check for location of an executable
2104 # @param string $loc single location to check
2105 # @param array $names filenames to check for.
2106 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
2107 function locate_executable($loc, $names, $versioninfo = false) {
2108         if (!is_array($names))
2109                 $names = array($names);
2110
2111         foreach ($names as $name) {
2112                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
2113                 if (@file_exists($command)) {
2114                         if (!$versioninfo)
2115                                 return $command;
2116
2117                         $file = str_replace('$1', $command, $versioninfo[0]);
2118                         if (strstr(`$file`, $versioninfo[1]) !== false)
2119                                 return $command;
2120                 }
2121         }
2122         return false;
2123 }
2124
2125 # Test a memcached server
2126 function testMemcachedServer( $server ) {
2127         $hostport = explode(":", $server);
2128         $errstr = false;
2129         $fp = false;
2130         if ( !function_exists( 'fsockopen' ) ) {
2131                 $errstr = "Can't connect to memcached, fsockopen() not present";
2132         }
2133         if ( !$errstr && count( $hostport ) != 2 ) {
2134                 $errstr = 'Please specify host and port';
2135         }
2136         if ( !$errstr ) {
2137                 list( $host, $port ) = $hostport;
2138                 $errno = 0;
2139                 $fsockerr = '';
2140
2141                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
2142                 if ( $fp === false ) {
2143                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
2144                 }
2145         }
2146         if ( !$errstr ) {
2147                 $command = "version\r\n";
2148                 $bytes = fwrite( $fp, $command );
2149                 if ( $bytes != strlen( $command ) ) {
2150                         $errstr = "Cannot write to memcached socket on $host:$port";
2151                 }
2152         }
2153         if ( !$errstr ) {
2154                 $expected = "VERSION ";
2155                 $response = fread( $fp, strlen( $expected ) );
2156                 if ( $response != $expected ) {
2157                         $errstr = "Didn't get correct memcached response from $host:$port";
2158                 }
2159         }
2160         if ( $fp ) {
2161                 fclose( $fp );
2162         }
2163         if ( !$errstr ) {
2164                 echo "<li>Connected to memcached on " . htmlspecialchars( "$host:$port" ) ." successfully</li>";
2165         }
2166         return $errstr;
2167 }
2168
2169 function database_picker($conf) {
2170         global $ourdb;
2171         print "\n";
2172         foreach(array_keys($ourdb) as $db) {
2173                 if ($ourdb[$db]['havedriver']) {
2174                         print "\t<li>";
2175                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
2176                         print "</li>\n";
2177                 }
2178         }
2179         print "\n\t";
2180 }
2181
2182 function database_switcher($db) {
2183         global $ourdb;
2184         $color = $ourdb[$db]['bgcolor'];
2185         $full = $ourdb[$db]['fullname'];
2186         print "<fieldset id='$db'><legend>$full specific options</legend>\n";
2187 }
2188
2189 function printListItem( $item ) {
2190         print "<li>$item</li>";
2191 }
2192
2193 # Determine a suitable value for $wgShellLocale
2194 function getShellLocale( $wikiLang ) {
2195         # Give up now if we're in safe mode or open_basedir
2196         # It's theoretically possible but tricky to work with
2197         if ( wfIniGetBool( "safe_mode" ) || ini_get( 'open_basedir' ) ) {
2198                 return false;
2199         }
2200
2201         $os = php_uname( 's' );
2202         $supported = array( 'Linux', 'SunOS', 'HP-UX' ); # Tested these
2203         if ( !in_array( $os, $supported ) ) {
2204                 return false;
2205         }
2206
2207         # Get a list of available locales
2208         $lines = $ret = false;
2209         exec( '/usr/bin/locale -a', $lines, $ret );
2210         if ( $ret ) {
2211                 return false;
2212         }
2213
2214         $lines = wfArrayMap( 'trim', $lines );
2215         $candidatesByLocale = array();
2216         $candidatesByLang = array();
2217         foreach ( $lines as $line ) {
2218                 if ( $line === '' ) {
2219                         continue;
2220                 }
2221                 if ( !preg_match( '/^([a-zA-Z]+)(_[a-zA-Z]+|)\.(utf8|UTF-8)(@[a-zA-Z_]*|)$/i', $line, $m ) ) {
2222                         continue;
2223                 }
2224                 list( $all, $lang, $territory, $charset, $modifier ) = $m;
2225                 $candidatesByLocale[$m[0]] = $m;
2226                 $candidatesByLang[$lang][] = $m;
2227         }
2228
2229         # Try the current value of LANG
2230         if ( isset( $candidatesByLocale[ getenv( 'LANG' ) ] ) ) {
2231                 return getenv( 'LANG' );
2232         }
2233
2234         # Try the most common ones
2235         $commonLocales = array( 'en_US.UTF-8', 'en_US.utf8', 'de_DE.UTF-8', 'de_DE.utf8' );
2236         foreach ( $commonLocales as $commonLocale ) {
2237                 if ( isset( $candidatesByLocale[$commonLocale] ) ) {
2238                         return $commonLocale;
2239                 }
2240         }
2241
2242         # Is there an available locale in the Wiki's language?
2243         if ( isset( $candidatesByLang[$wikiLang] ) ) {
2244                 $m = reset( $candidatesByLang[$wikiLang] );
2245                 return $m[0];
2246         }
2247
2248         # Are there any at all?
2249         if ( count( $candidatesByLocale ) ) {
2250                 $m = reset( $candidatesByLocale );
2251                 return $m[0];
2252         }
2253
2254         # Give up
2255         return false;
2256 }
2257
2258 function wfArrayMap( $function, $input ) {
2259         $ret = array_map( $function, $input );
2260         foreach ( $ret as $key => $value ) {
2261                 $taint = istainted( $input[$key] );
2262                 if ( $taint ) {
2263                         taint( $ret[$key], $taint );
2264                 }
2265         }
2266         return $ret;
2267 }
2268
2269 ?>
2270
2271         <div class="license">
2272         <hr/>
2273         <p>This program is free software; you can redistribute it and/or modify
2274          it under the terms of the GNU General Public License as published by
2275          the Free Software Foundation; either version 2 of the License, or
2276          (at your option) any later version.</p>
2277
2278          <p>This program is distributed in the hope that it will be useful,
2279          but WITHOUT ANY WARRANTY; without even the implied warranty of
2280          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2281          GNU General Public License for more details.</p>
2282
2283          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
2284          along with this program; if not, write to the Free Software
2285          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
2286          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
2287         </div>
2288
2289 </div></div></div>
2290
2291
2292 <div id="column-one">
2293         <div class="portlet" id="p-logo">
2294           <a style="background-image: url(../skins/common/images/mediawiki.png);"
2295             href="../"
2296             title="Main Page"></a>
2297         </div>
2298         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
2299         <div class='portlet'><div class='pBody'>
2300                 <ul>
2301                         <li><a href="../README">Readme</a></li>
2302                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
2303                         <li><a href="../docs/">Documentation</a></li>
2304                         <li><a href="http://www.mediawiki.org/wiki/Help:Contents">User's Guide</a></li>
2305                         <li><a href="http://www.mediawiki.org/wiki/Manual:Contents">Administrator's Guide</a></li>
2306                         <li><a href="http://www.mediawiki.org/wiki/Manual:FAQ">FAQ</a></li>
2307                 </ul>
2308                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright © 2001-2009 by Magnus Manske, Brion Vibber,
2309                  Lee Daniel Crocker, Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason, Niklas Laxström,
2310                  Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor, Aaron Schulz and others.</p>
2311         </div></div>
2312 </div>
2313
2314 </div>
2315
2316 </body>
2317 </html>