config/index.php

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