config/Installer.php

   1 <?php
   2
   3 # MediaWiki web-based config/installation
   4 # Copyright (C) 2004 Brion Vibber <brion@pobox.com>, 2006 Rob Church <robchur@gmail.com>
   5 # http://www.mediawiki.org/
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with this program; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20 # http://www.gnu.org/copyleft/gpl.html
  21
  22 if( !defined( 'MEDIAWIKI_INSTALL' ) ) {
  23         die( 'Not an entry point.' );
  24 }
  25
  26 error_reporting( E_ALL | E_STRICT );
  27 header( "Content-type: text/html; charset=utf-8" );
  28 @ini_set( "display_errors", true );
  29
  30 # In case of errors, let output be clean.
  31 $wgRequestTime = microtime( true );
  32
  33 // Run version checks before including other files
  34 // so people don't see a scary parse error.
  35 require_once( "$IP/maintenance/install-utils.inc" );
  36 install_version_checks();
  37
  38 require_once( "$IP/includes/Defines.php" );
  39 require_once( "$IP/includes/DefaultSettings.php" );
  40 require_once( "$IP/includes/AutoLoader.php" );
  41 require_once( "$IP/includes/MagicWord.php" );
  42 require_once( "$IP/includes/Namespace.php" );
  43 require_once( "$IP/includes/ProfilerStub.php" );
  44 require_once( "$IP/includes/GlobalFunctions.php" );
  45 require_once( "$IP/includes/Hooks.php" );
  46 require_once( "$IP/includes/Exception.php" );
  47
  48 # If we get an exception, the user needs to know
  49 # all the details
  50 $wgShowExceptionDetails = true;
  51 $wgShowSQLErrors = true;
  52 wfInstallExceptionHandler();
  53 ## Databases we support:
  54
  55 $ourdb = array();
  56 $ourdb['mysql']['fullname']      = 'MySQL';
  57 $ourdb['mysql']['havedriver']    = 0;
  58 $ourdb['mysql']['compile']       = 'mysql';
  59 $ourdb['mysql']['bgcolor']       = '#ffe5a7';
  60 $ourdb['mysql']['rootuser']      = 'root';
  61
  62 $ourdb['postgres']['fullname']   = 'PostgreSQL';
  63 $ourdb['postgres']['havedriver'] = 0;
  64 $ourdb['postgres']['compile']    = 'pgsql';
  65 $ourdb['postgres']['bgcolor']    = '#aaccff';
  66 $ourdb['postgres']['rootuser']   = 'postgres';
  67
  68 $ourdb['sqlite']['fullname']      = 'SQLite';
  69 $ourdb['sqlite']['havedriver']    = 0;
  70 $ourdb['sqlite']['compile']       = 'pdo_sqlite';
  71 $ourdb['sqlite']['bgcolor']       = '#b1ebb1';
  72 $ourdb['sqlite']['rootuser']      = '';
  73
  74 $ourdb['mssql']['fullname']      = 'MSSQL';
  75 $ourdb['mssql']['havedriver']    = 0;
  76 $ourdb['mssql']['compile']       = 'mssql not ready'; # Change to 'mssql' after includes/DatabaseMssql.php added;
  77 $ourdb['mssql']['bgcolor']       = '#ffc0cb';
  78 $ourdb['mssql']['rootuser']      = 'administrator';
  79
  80 $ourdb['ibm_db2']['fullname']   = 'DB2';
  81 $ourdb['ibm_db2']['havedriver'] = 0;
  82 $ourdb['ibm_db2']['compile']    = 'ibm_db2';
  83 $ourdb['ibm_db2']['bgcolor']    = '#ffeba1';
  84 $ourdb['ibm_db2']['rootuser']   = 'db2admin';
  85
  86 $ourdb['oracle']['fullname']   = 'Oracle';
  87 $ourdb['oracle']['havedriver'] = 0;
  88 $ourdb['oracle']['compile']    = 'oci8';
  89 $ourdb['oracle']['bgcolor']    = '#ffeba1';
  90 $ourdb['oracle']['rootuser']   = '';
  91
  92 ?>
  93 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  94 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
  95 <head>
  96         <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
  97         <meta name="robots" content="noindex,nofollow"/>
  98         <title>MediaWiki <?php echo htmlspecialchars( $wgVersion ); ?> Installation</title>
  99         <style type="text/css">
 100
 101                 @import "../skins/monobook/main.css";
 102
 103                 .env-check {
 104                         font-size: 90%;
 105                         margin: 1em 0 1em 2.5em;
 106                 }
 107
 108                 .config-section {
 109                         margin-top: 2em;
 110                 }
 111
 112                 .config-section label.column {
 113                         clear: left;
 114                         font-weight: bold;
 115                         width: 13em;
 116                         float: left;
 117                         text-align: right;
 118                         padding-right: 1em;
 119                         padding-top: .2em;
 120                 }
 121
 122                 .config-input {
 123                         clear: left;
 124                         zoom: 100%; /* IE hack */
 125                 }
 126
 127                 .config-section .config-desc {
 128                         clear: left;
 129                         margin: 0 0 2em 18em;
 130                         padding-top: 1em;
 131                         font-size: 85%;
 132                 }
 133
 134                 .iput-text, .iput-password {
 135                         width: 14em;
 136                         margin-right: 1em;
 137                 }
 138
 139                 .error {
 140                         color: red;
 141                         background-color: #fff;
 142                         font-weight: bold;
 143                         left: 1em;
 144                         font-size: 100%;
 145                 }
 146
 147                 .error-top {
 148                         color: red;
 149                         background-color: #FFF0F0;
 150                         border: 2px solid red;
 151                         font-size: 130%;
 152                         font-weight: bold;
 153                         padding: 1em 1.5em;
 154                         margin: 2em 0 1em;
 155                 }
 156
 157                 ul.plain {
 158                         list-style-type: none;
 159                         list-style-image: none;
 160                         float: left;
 161                         margin: 0;
 162                         padding: 0;
 163                 }
 164
 165                 .btn-install {
 166                         font-weight: bold;
 167                         font-size: 110%;
 168                         padding: .2em .3em;
 169                 }
 170
 171                 .license {
 172                         font-size: 85%;
 173                         padding-top: 3em;
 174                 }
 175
 176                 span.success-message {
 177                         font-weight: bold;
 178                         font-size: 110%;
 179                         color: green;
 180                 }
 181                 .success-box {
 182                         font-size: 130%;
 183                 }
 184
 185         </style>
 186         <script type="text/javascript">
 187         <!--
 188         function hideall() {
 189                 <?php foreach (array_keys($ourdb) as $db) {
 190                 echo "\n                var i = document.getElementById('$db'); if (i) i.style.display='none';";
 191                 }
 192                 ?>
 193
 194         }
 195         function toggleDBarea(id,defaultroot) {
 196                 hideall();
 197                 var dbarea = document.getElementById(id);
 198                 if (dbarea) dbarea.style.display = (dbarea.style.display == 'none') ? 'block' : 'none';
 199                 var db = document.getElementById('RootUser');
 200                 if (defaultroot) {
 201 <?php foreach (array_keys($ourdb) as $db) {
 202                         echo "                  if (id == '$db') { db.value = '".$ourdb[$db]['rootuser']."';}\n";
 203 }?>
 204                 }
 205         }
 206         // -->
 207         </script>
 208 </head>
 209
 210 <body>
 211 <div id="globalWrapper">
 212 <div id="column-content">
 213 <div id="content">
 214 <div id="bodyContent">
 215
 216 <h1>MediaWiki <?php print htmlspecialchars( $wgVersion ) ?> Installation</h1>
 217
 218 <?php
 219 $mainListOpened = false; # Is the main list (environement checking) opend ? Used by dieout
 220
 221 /* Check for existing configurations and bug out! */
 222
 223 if( file_exists( "../LocalSettings.php" ) ) {
 224         $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 225         dieout( "<p><strong>Setup has completed, <a href='../$script'>your wiki</a> is configured.</strong></p>
 226         <p>Please delete the /config directory for extra security.</p>" );
 227 }
 228
 229 if( file_exists( "./LocalSettings.php" ) ) {
 230         writeSuccessMessage();
 231         dieout( '' );
 232 }
 233
 234 if( !is_writable( "." ) ) {
 235         dieout( "<h2>Can't write config file, aborting</h2>
 236
 237         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 238         writable by the web server. Once configuration is done you'll move the created
 239         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 240         then remove the <tt>config</tt> subdirectory entirely.</p>
 241
 242         <p>To make the directory writable on a Unix/Linux system:</p>
 243
 244         <pre>
 245         cd <i>" . htmlspecialchars( dirname( dirname( __FILE__ ) ) ) . "</i>
 246         chmod a+w config
 247         </pre>
 248
 249         <p>Afterwards retry to start the <a href=\"\">setup</a>.</p>" );
 250 }
 251
 252
 253 require_once( "$IP/maintenance/updaters.inc" );
 254
 255 class ConfigData {
 256         function getEncoded( $data ) {
 257                 # removing latin1 support, no need...
 258                 return $data;
 259         }
 260         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 261         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 262         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 263
 264         function setSchema( $schema, $engine ) {
 265                 $this->DBschema = $schema;
 266                 if ( !preg_match( '/^\w*$/', $engine ) ){
 267                         $engine = 'InnoDB';
 268                 }
 269                 switch ( $this->DBschema ) {
 270                         case 'mysql5':
 271                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=utf8";
 272                                 $this->DBmysql5 = 'true';
 273                                 break;
 274                         case 'mysql5-binary':
 275                                 $this->DBTableOptions = "ENGINE=$engine, DEFAULT CHARSET=binary";
 276                                 $this->DBmysql5 = 'true';
 277                                 break;
 278                         default:
 279                                 $this->DBTableOptions = "TYPE=$engine";
 280                                 $this->DBmysql5 = 'false';
 281                 }
 282                 $this->DBengine = $engine;
 283
 284                 # Set the global for use during install
 285                 global $wgDBTableOptions;
 286                 $wgDBTableOptions = $this->DBTableOptions;
 287         }
 288 }
 289
 290 ?>
 291
 292 <ul>
 293         <li>
 294                 <b>Don't forget security updates!</b> Keep an eye on the
 295                 <a href="http://lists.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 296                 release announcements mailing list</a>.
 297         </li>
 298 </ul>
 299
 300
 301 <h2>Checking environment...</h2>
 302 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 303 <ul class="env-check">
 304 <?php
 305 $mainListOpened = true;
 306
 307 $endl = "
 308 ";
 309 define( 'MW_NO_OUTPUT_BUFFER', 1 );
 310 $conf = new ConfigData;
 311
 312 install_version_checks();
 313 $self = 'Installer'; # Maintenance script name, to please Setup.php
 314
 315 print "<li>PHP " . htmlspecialchars( phpversion() ) . " installed</li>\n";
 316
 317 error_reporting( 0 );
 318 $phpdatabases = array();
 319 foreach (array_keys($ourdb) as $db) {
 320         $compname = $ourdb[$db]['compile'];
 321         if( extension_loaded( $compname ) || ( mw_have_dl() && dl( "{$compname}." . PHP_SHLIB_SUFFIX ) ) ) {
 322                 array_push($phpdatabases, $db);
 323                 $ourdb[$db]['havedriver'] = 1;
 324         }
 325 }
 326 error_reporting( E_ALL | E_STRICT );
 327
 328 if (!$phpdatabases) {
 329         print "Could not find a suitable database driver!<ul>";
 330         foreach (array_keys($ourdb) AS $db) {
 331                 $comp = $ourdb[$db]['compile'];
 332                 $full = $ourdb[$db]['fullname'];
 333                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 334                         ."or install the $comp.so module</li>\n";
 335         }
 336         echo '</ul>';
 337         dieout( '' );
 338 }
 339
 340 print "<li>Found database drivers for:";
 341 $DefaultDBtype = '';
 342 foreach (array_keys($ourdb) AS $db) {
 343         if ($ourdb[$db]['havedriver']) {
 344                 if ( $DefaultDBtype == '' ) {
 345                         $DefaultDBtype = $db;
 346                 }
 347                 print "  ".$ourdb[$db]['fullname'];
 348         }
 349 }
 350 print "</li>\n";
 351
 352 if( wfIniGetBool( "register_globals" ) ) {
 353         ?>
 354         <li>
 355                 <div style="font-size:110%">
 356                 <strong class="error">Warning:</strong>
 357                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 358                 </div>
 359                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 360         </li>
 361         <?php
 362 }
 363
 364 $fatal = false;
 365
 366 if( wfIniGetBool( "magic_quotes_runtime" ) ) {
 367         $fatal = true;
 368         ?><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>
 369         This option corrupts data input unpredictably; you cannot install or use
 370         MediaWiki unless this option is disabled.</li>
 371         <?php
 372 }
 373
 374 if( wfIniGetBool( "magic_quotes_sybase" ) ) {
 375         $fatal = true;
 376         ?><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>
 377         This option corrupts data input unpredictably; you cannot install or use
 378         MediaWiki unless this option is disabled.</li>
 379         <?php
 380 }
 381
 382 if( wfIniGetBool( "mbstring.func_overload" ) ) {
 383         $fatal = true;
 384         ?><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>
 385         This option causes errors and may corrupt data unpredictably;
 386         you cannot install or use MediaWiki unless this option is disabled.</li>
 387         <?php
 388 }
 389
 390 if( wfIniGetBool( "zend.ze1_compatibility_mode" ) ) {
 391         $fatal = true;
 392         ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
 393         This option causes horrible bugs with MediaWiki; you cannot install or use
 394         MediaWiki unless this option is disabled.</li>
 395         <?php
 396 }
 397
 398
 399 if( $fatal ) {
 400         dieout( "Cannot install MediaWiki." );
 401 }
 402
 403 if( wfIniGetBool( "safe_mode" ) ) {
 404         $conf->safeMode = true;
 405         ?>
 406         <li><b class='error'>Warning:</b> <strong>PHP's
 407         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 408         You may have problems caused by this, particularly if using image uploads.
 409         </li>
 410         <?php
 411 } else {
 412         $conf->safeMode = false;
 413 }
 414
 415 $sapi = htmlspecialchars( php_sapi_name() );
 416 print "<li>PHP server API is $sapi; ";
 417 $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 418 if( $wgUsePathInfo ) {
 419  print "ok, using pretty URLs (<tt>$script/Page_Title</tt>)";
 420 } else {
 421         print "using ugly URLs (<tt>$script?title=Page_Title</tt>)";
 422 }
 423 print "</li>\n";
 424
 425 $conf->xml = function_exists( "utf8_encode" );
 426 if( $conf->xml ) {
 427         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 428 } else {
 429         dieout( "PHP's XML module is missing; the wiki requires functions in
 430                 this module and won't work in this configuration.
 431                 If you're running Mandrake, install the php-xml package." );
 432 }
 433
 434 # Check for session support
 435 if( !function_exists( 'session_name' ) )
 436         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 437
 438 # session.save_path doesn't *have* to be set, but if it is, and it's
 439 # not valid/writable/etc. then it can cause problems
 440 $sessionSavePath = mw_get_session_save_path();
 441 $ssp = htmlspecialchars( $sessionSavePath );
 442 # Warn the user if it's not set, but let them proceed
 443 if( !$sessionSavePath ) {
 444         print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
 445         has not been set in PHP.ini. If the default value causes problems with
 446         saving session data, set it to a valid path which is read/write/execute
 447         for the user your web server is running under.</li>";
 448 } elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
 449         # All good? Let the user know
 450         print "<li>Session save path (<tt>{$ssp}</tt>) appears to be valid.</li>";
 451 } else {
 452         # Something not right? Warn the user, but let them proceed
 453         print "<li><strong>Warning:</strong> Your <tt>session.save_path</tt> value (<tt>{$ssp}</tt>)
 454                 appears to be invalid or is not writable. PHP needs to be able to save data to
 455                 this location for correct session operation.</li>";
 456 }
 457
 458 # Check for PCRE support
 459 if( !function_exists( 'preg_match' ) )
 460         dieout( "The PCRE support module appears to be missing. MediaWiki requires the
 461         Perl-compatible regular expression functions." );
 462
 463 $memlimit = ini_get( "memory_limit" );
 464 if( $memlimit == -1 ) {
 465         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 466 } else {
 467         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ). " bytes. ";
 468         $newlimit = wfMemoryLimit();
 469         $memlimit = wfShorthandToInteger( $memlimit );
 470         if( $newlimit < $memlimit ) {
 471                 print "<b>Failed raising limit, installation may fail.</b>";
 472         } elseif ( $newlimit > $memlimit )  {
 473                 print "Raised <tt>memory_limit</tt> to " . htmlspecialchars( $newlimit ) . " bytes. ";
 474         }
 475         print "</li>\n";
 476 }
 477
 478 $conf->turck = function_exists( 'mmcache_get' );
 479 if ( $conf->turck ) {
 480         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 481 }
 482
 483 $conf->xcache = function_exists( 'xcache_get' );
 484 if( $conf->xcache )
 485         print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>\n";
 486
 487 $conf->apc = function_exists('apc_fetch');
 488 if ($conf->apc ) {
 489         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>\n";
 490 }
 491
 492 $conf->eaccel = function_exists( 'eaccelerator_get' );
 493 if ( $conf->eaccel ) {
 494         $conf->turck = 'eaccelerator';
 495         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 496 }
 497
 498 $conf->dba = function_exists( 'dba_open' );
 499
 500 if( !( $conf->turck || $conf->eaccel || $conf->apc || $conf->xcache ) ) {
 501         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 502                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>,
 503                 <a href="http://www.php.net/apc">APC</a> or <a href="http://trac.lighttpd.net/xcache/">XCache</a>;
 504                 cannot use these for object caching.</li>' );
 505 }
 506
 507 $conf->phpCliPath = false;
 508 $phpClilocations = array_merge(
 509         array(
 510                 "/usr/bin",
 511                 "/usr/local/bin",
 512                 "/opt/csw/bin",
 513                 "/usr/gnu/bin",
 514                 "/usr/sfw/bin" ),
 515         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 516 $phpClinames = array( "php", "php.exe" );
 517 foreach ($phpClilocations as $loc) {
 518         $exe = locate_executable($loc, $phpClinames);
 519         if ($exe !== false) {
 520                 $conf->phpCliPath= $exe;
 521                 break;
 522         }
 523 }
 524
 525 $conf->diff3 = false;
 526 $diff3locations = array_merge(
 527         array(
 528                 "/usr/bin",
 529                 "/usr/local/bin",
 530                 "/opt/csw/bin",
 531                 "/usr/gnu/bin",
 532                 "/usr/sfw/bin" ),
 533         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 534 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 535
 536 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 537 foreach ($diff3locations as $loc) {
 538         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 539         if ($exe !== false) {
 540                 $conf->diff3 = $exe;
 541                 break;
 542         }
 543 }
 544
 545 if ($conf->diff3)
 546         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 547 else
 548         print "<li>GNU diff3 not found.</li>";
 549
 550 $conf->ImageMagick = false;
 551 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 552 foreach( $imcheck as $dir ) {
 553         $im = "$dir/convert";
 554         if( @file_exists( $im ) ) {
 555                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 556                 $conf->ImageMagick = $im;
 557                 break;
 558         }
 559 }
 560
 561 $conf->HaveGD = function_exists( "imagejpeg" );
 562 if( $conf->HaveGD ) {
 563         print "<li>Found GD graphics library built-in";
 564         if( !$conf->ImageMagick ) {
 565                 print ", image thumbnailing will be enabled if you enable uploads";
 566         }
 567         print ".</li>\n";
 568 } else {
 569         if( !$conf->ImageMagick ) {
 570                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 571         }
 572 }
 573
 574 $conf->IP = dirname( dirname( __FILE__ ) );
 575 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 576
 577
 578 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 579 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 580 // to get the path to the current script... hopefully it's reliable. SIGH
 581 $path = ($_SERVER["PHP_SELF"] === '')
 582         ? $_SERVER["SCRIPT_NAME"]
 583         : $_SERVER["PHP_SELF"];
 584
 585 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 586 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 587
 588
 589
 590 // We may be installing from *.php5 extension file, if so, print message
 591 $conf->ScriptExtension = '.php';
 592 if (defined('MW_INSTALL_PHP5_EXT')) {
 593     $conf->ScriptExtension = '.php5';
 594     print "<li>Installing MediaWiki with <tt>php5</tt> file extensions</li>\n";
 595 } else {
 596     print "<li>Installing MediaWiki with <tt>php</tt> file extensions</li>\n";
 597 }
 598
 599
 600 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 601         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 602
 603         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 604         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 605                 ? 'root@localhost'
 606                 : $_SERVER["SERVER_ADMIN"];
 607         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 608         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 609         if ( !isset( $ourdb[$conf->DBtype] ) ) {
 610                 $conf->DBtype = $DefaultDBtype;
 611         }
 612
 613         $conf->DBserver = importPost( "DBserver", "localhost" );
 614         $conf->DBname = importPost( "DBname", "wikidb" );
 615         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 616         $conf->DBpassword = importPost( "DBpassword" );
 617         $conf->DBpassword2 = importPost( "DBpassword2" );
 618         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 619         $conf->SysopPass = importPost( "SysopPass" );
 620         $conf->SysopPass2 = importPost( "SysopPass2" );
 621         $conf->RootUser = importPost( "RootUser", "root" );
 622         $conf->RootPW = importPost( "RootPW", "" );
 623         $useRoot = importCheck( 'useroot', false );
 624         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 625         ## MySQL specific:
 626         $conf->DBprefix     = importPost( "DBprefix" );
 627         $conf->setSchema(
 628                 importPost( "DBschema", "mysql5-binary" ),
 629                 importPost( "DBengine", "InnoDB" ) );
 630
 631         ## Postgres specific:
 632         $conf->DBport      = importPost( "DBport",      "5432" );
 633         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 634         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 635
 636         ## SQLite specific
 637         $conf->SQLiteDataDir = importPost( "SQLiteDataDir", "" );
 638
 639         ## MSSQL specific
 640         // We need a second field so it doesn't overwrite the MySQL one
 641         $conf->DBprefix2 = importPost( "DBprefix2" );
 642
 643         ## DB2 specific:
 644         // New variable in order to have a different default port number
 645         $conf->DBport_db2   = importPost( "DBport_db2",      "50000" );
 646         $conf->DBmwschema   = importPost( "DBmwschema",  "mediawiki" );
 647         $conf->DBcataloged  = importPost( "DBcataloged",  "cataloged" );
 648
 649         // Oracle specific
 650         $conf->DBprefix_ora     = importPost( "DBprefix_ora" );
 651         $conf->DBdefTS_ora     = importPost( "DBdefTS_ora", "USERS" );
 652         $conf->DBtempTS_ora     = importPost( "DBtempTS_ora", "TEMP" );
 653
 654         $conf->ShellLocale = getShellLocale( $conf->LanguageCode );
 655
 656 /* Check for validity */
 657 $errs = array();
 658
 659 if( preg_match( '/^$|^mediawiki$|#/i', $conf->Sitename ) ) {
 660         $errs["Sitename"] = "Must not be blank or \"MediaWiki\" and may not contain \"#\"";
 661 }
 662 if( $conf->DBuser == "" ) {
 663         $errs["DBuser"] = "Must not be blank";
 664 }
 665 if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 666         $errs["DBuser"] = "Username too long";
 667 }
 668 if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 669         $errs["DBpassword"] = "Must not be blank";
 670 }
 671 if( $conf->DBpassword != $conf->DBpassword2 ) {
 672         $errs["DBpassword2"] = "Passwords don't match!";
 673 }
 674 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 675         $errs["DBprefix"] = "Invalid table prefix";
 676 } else {
 677         untaint( $conf->DBprefix, TC_MYSQL );
 678 }
 679 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix_ora ) ) {
 680         $errs["DBprefix_ora"] = "Invalid table prefix";
 681 }
 682
 683 error_reporting( E_ALL | E_STRICT );
 684
 685 /**
 686  * Initialise $wgLang and $wgContLang to something so we can
 687  * call case-folding methods. Per Brion, this is English for
 688  * now, although we could be clever and initialise to the
 689  * user-selected language.
 690  */
 691 $wgContLang = Language::factory( 'en' );
 692 $wgLang = $wgContLang;
 693
 694 /**
 695  * We're messing about with users, so we need a stub
 696  * authentication plugin...
 697  */
 698 $wgAuth = new AuthPlugin();
 699
 700 /**
 701  * Validate the initial administrator account; username,
 702  * password checks, etc.
 703  */
 704 if( $conf->SysopName ) {
 705         # Check that the user can be created
 706         $u = User::newFromName( $conf->SysopName );
 707         if( is_a($u, 'User') ) { // please do not use instanceof, it breaks PHP4
 708                 # Various password checks
 709                 if( $conf->SysopPass != '' ) {
 710                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 711                                 if( $u->isValidPassword( $conf->SysopPass ) !== true ) {
 712                                         $errs['SysopPass'] = "Bad password";
 713                                 }
 714                         } else {
 715                                 $errs['SysopPass2'] = "Passwords don't match";
 716                         }
 717                 } else {
 718                         $errs['SysopPass'] = "Cannot be blank";
 719                 }
 720                 unset( $u );
 721         } else {
 722                 $errs['SysopName'] = "Bad username";
 723         }
 724 }
 725
 726 $conf->License = importRequest( "License", "none" );
 727 if( $conf->License == "gfdl1_2" ) {
 728         $conf->RightsUrl = "http://www.gnu.org/licenses/old-licenses/fdl-1.2.txt";
 729         $conf->RightsText = "GNU Free Documentation License 1.2";
 730         $conf->RightsCode = "gfdl1_2";
 731         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 732 } elseif( $conf->License == "gfdl1_3" ) {
 733         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 734         $conf->RightsText = "GNU Free Documentation License 1.3";
 735         $conf->RightsCode = "gfdl1_3";
 736         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 737 } elseif( $conf->License == "none" ) {
 738         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 739 } elseif( $conf->License == "pd" ) {
 740         $conf->RightsUrl = "http://creativecommons.org/licenses/publicdomain/";
 741         $conf->RightsText = "Public Domain";
 742         $conf->RightsCode = "pd";
 743         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/public-domain.png';
 744 } else {
 745         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 746         $conf->RightsText = importRequest( "RightsText", "" );
 747         $conf->RightsCode = importRequest( "RightsCode", "" );
 748         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 749 }
 750
 751 $conf->Shm = importRequest( "Shm", "none" );
 752 $conf->MCServers = importRequest( "MCServers" );
 753
 754 /* Test memcached servers */
 755
 756 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 757         $conf->MCServerArray = wfArrayMap( 'trim', explode( ',', $conf->MCServers ) );
 758         foreach ( $conf->MCServerArray as $server ) {
 759                 $error = testMemcachedServer( $server );
 760                 if ( $error ) {
 761                         $errs["MCServers"] = $error;
 762                         break;
 763                 }
 764         }
 765 } else if ( $conf->Shm == 'memcached' ) {
 766         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 767 }
 768
 769 /* default values for installation */
 770 $conf->Email     = importRequest("Email", "email_enabled");
 771 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 772 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 773 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 774
 775 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 776         do { /* So we can 'continue' to end prematurely */
 777                 $conf->Root = ($conf->RootPW != "");
 778
 779                 /* Load up the settings and get installin' */
 780                 $local = writeLocalSettings( $conf );
 781                 echo "<li style=\"list-style: none\">\n";
 782                 echo "<p><b>Generating configuration file...</b></p>\n";
 783                 echo "</li>\n";
 784
 785                 $wgCommandLineMode = false;
 786                 chdir( ".." );
 787                 $ok = eval( $local );
 788                 if( $ok === false ) {
 789                         dieout( "<p>Errors in generated configuration; " .
 790                                 "most likely due to a bug in the installer... " .
 791                                 "Config file was: </p>" .
 792                                 "<pre>" .
 793                                 htmlspecialchars( $local ) .
 794                                 "</pre>" );
 795                 }
 796                 $conf->DBtypename = '';
 797                 foreach (array_keys($ourdb) as $db) {
 798                         if ($conf->DBtype === $db)
 799                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 800                 }
 801                 if ( ! strlen($conf->DBtype)) {
 802                         $errs["DBpicktype"] = "Please choose a database type";
 803                         continue;
 804                 }
 805
 806                 if (! $conf->DBtypename) {
 807                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 808                         continue;
 809                 }
 810                 print "<li>Database type: " . htmlspecialchars( $conf->DBtypename ) . "</li>\n";
 811                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 812                 $wgDBtype = $conf->DBtype;
 813                 $wgDBadminuser = "root";
 814                 $wgDBadminpassword = $conf->RootPW;
 815
 816                 ## Mysql specific:
 817                 $wgDBprefix = $conf->DBprefix;
 818
 819                 ## Postgres specific:
 820                 $wgDBport      = $conf->DBport;
 821                 $wgDBmwschema  = $conf->DBmwschema;
 822                 $wgDBts2schema = $conf->DBts2schema;
 823
 824                 if( $conf->DBprefix2 != '' ) {
 825                         // For MSSQL
 826                         $wgDBprefix = $conf->DBprefix2;
 827                 } elseif( $conf->DBprefix_ora != '' ) {
 828                         // For Oracle
 829                         $wgDBprefix = $conf->DBprefix_ora;
 830                 }
 831
 832                 ## DB2 specific:
 833                 $wgDBcataloged = $conf->DBcataloged;
 834
 835                 $wgCommandLineMode = true;
 836                 if (! defined ( 'STDERR' ) )
 837                         define( 'STDERR', fopen("php://stderr", "wb"));
 838                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 839                 require_once( "$IP/includes/Setup.php" );
 840                 Language::getLocalisationCache()->disableBackend();
 841
 842                 chdir( "config" );
 843
 844                 $wgTitle = Title::newFromText( "Installation script" );
 845                 error_reporting( E_ALL | E_STRICT );
 846                 print "<li>Loading class: " . htmlspecialchars( $dbclass ) . "</li>\n";
 847                 if ( $conf->DBtype != 'sqlite' ) {
 848                         $dbc = new $dbclass;
 849                 }
 850
 851                 if( $conf->DBtype == 'mysql' ) {
 852                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 853                         if( $mysqlOldClient ) {
 854                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 855                                         using a MySQL 4.1 server and have problems connecting to the database,
 856                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 857                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 858                         }
 859                         $ok = true; # Let's be optimistic
 860
 861                         # Decide if we're going to use the superuser or the regular database user
 862                         $conf->Root = $useRoot;
 863                         if( $conf->Root ) {
 864                                 $db_user = $conf->RootUser;
 865                                 $db_pass = $conf->RootPW;
 866                         } else {
 867                                 $db_user = $wgDBuser;
 868                                 $db_pass = $wgDBpassword;
 869                         }
 870
 871                         # Attempt to connect
 872                         echo( "<li>Attempting to connect to database server as " . htmlspecialchars( $db_user ) . "..." );
 873                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 874
 875                         # Check the connection and respond to errors
 876                         if( $wgDatabase->isOpen() ) {
 877                                 # Seems OK
 878                                 $ok = true;
 879                                 $wgDBadminuser = $db_user;
 880                                 $wgDBadminpassword = $db_pass;
 881                                 echo( "success.</li>\n" );
 882                                 $wgDatabase->ignoreErrors( true );
 883                                 $myver = $wgDatabase->getServerVersion();
 884                         } else {
 885                                 # There were errors, report them and back out
 886                                 $ok = false;
 887                                 $errno = mysql_errno();
 888                                 $errtx = htmlspecialchars( mysql_error() );
 889                                 switch( $errno ) {
 890                                         case 1045:
 891                                         case 2000:
 892                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 893                                                 if( $conf->Root ) {
 894                                                         # The superuser details are wrong
 895                                                         $errs["RootUser"] = "Check username";
 896                                                         $errs["RootPW"] = "and password";
 897                                                 } else {
 898                                                         # The regular user details are wrong
 899                                                         $errs["DBuser"] = "Check username";
 900                                                         $errs["DBpassword"] = "and password";
 901                                                 }
 902                                                 break;
 903                                         case 2002:
 904                                         case 2003:
 905                                         default:
 906                                                 # General connection problem
 907                                                 echo( htmlspecialchars( "failed with error [$errno] $errtx." ) . "</li>\n" );
 908                                                 $errs["DBserver"] = "Connection failed";
 909                                                 break;
 910                                 } # switch
 911                         } #conn. att.
 912
 913                         if( !$ok ) { continue; }
 914                 }
 915                 else if( $conf->DBtype == 'ibm_db2' ) {
 916                         if( $useRoot ) {
 917                                 $db_user = $conf->RootUser;
 918                                 $db_pass = $conf->RootPW;
 919                         } else {
 920                                 $db_user = $wgDBuser;
 921                                 $db_pass = $wgDBpassword;
 922                         }
 923
 924                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
 925                                 "\" as \"" . htmlspecialchars( $db_user ) . "\"..." );
 926                         $wgDatabase = $dbc->newFromParams($wgDBserver, $db_user, $db_pass, $wgDBname, 1);
 927                         // enable extra debug messages
 928                         $dbc->setMode(DatabaseIbm_db2::INSTALL_MODE);
 929                         $wgDatabase->setMode(DatabaseIbm_db2::INSTALL_MODE);
 930
 931                         if (!$wgDatabase->isOpen()) {
 932                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 933                         } else {
 934                                 $myver = $wgDatabase->getServerVersion();
 935                         }
 936                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 937
 938                 } elseif ( $conf->DBtype == 'sqlite' ) {
 939                         if ("$wgSQLiteDataDir" == '') {
 940                                 $wgSQLiteDataDir = dirname($_SERVER['DOCUMENT_ROOT']).'/data';
 941                         }
 942                         echo "<li>Attempting to connect to SQLite database at \"" .
 943                                 htmlspecialchars( $wgSQLiteDataDir ) .  "\"";
 944                         if ( !is_dir( $wgSQLiteDataDir ) ) {
 945                                 if ( is_writable( dirname( $wgSQLiteDataDir ) ) ) {
 946                                         $ok = wfMkdirParents( $wgSQLiteDataDir, $wgSQLiteDataDirMode );
 947                                 } else {
 948                                         $ok = false;
 949                                 }
 950                                 if ( !$ok ) {
 951                                         echo ": cannot create data directory</li>";
 952                                         $errs['SQLiteDataDir'] = 'Enter a valid data directory';
 953                                         continue;
 954                                 }
 955                         }
 956                         if ( !is_writable( $wgSQLiteDataDir ) ) {
 957                                 echo ": data directory not writable</li>";
 958                                 $errs['SQLiteDataDir'] = 'Enter a writable data directory';
 959                                 continue;
 960                         }
 961                         $dataFile = "$wgSQLiteDataDir/$wgDBname.sqlite";
 962                         if ( file_exists( $dataFile ) && !is_writable( $dataFile ) ) {
 963                                 echo ": data file not writable</li>";
 964                                 $errs['SQLiteDataDir'] = "$wgDBname.sqlite is not writable";
 965                                 continue;
 966                         }
 967                         $wgDatabase = new DatabaseSqlite( false, false, false, $wgDBname, 1 );
 968                         if (!$wgDatabase->isOpen()) {
 969                                 print ": error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 970                                 $errs['SQLiteDataDir'] = 'Could not connect to database';
 971                                 continue;
 972                         } else {
 973                                 $myver = $wgDatabase->getServerVersion();
 974                         }
 975                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 976                         echo "ok</li>\n";
 977                 } elseif ( $conf->DBtype == 'oracle' ) {
 978                         echo "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
 979                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
 980                         if (!$wgDatabase->isOpen()) {
 981                                 $ok = true;
 982                                 echo "<li>Connect failed.</li>";
 983                                 if ($useRoot) {
 984                                         if (ini_get('oci8.privileged_connect') === false) {
 985                                                 echo "<li>Privileged connect disabled, please set oci8.privileged_connect or run maintenance/ora/user.sql script manually prior to continuing.</li>";
 986                                                 $ok = false;
 987                                         } else {
 988                                                 $wgDBadminuser = $conf->RootUser;
 989                                                 $wgDBadminpassword = $conf->RootPW;
 990                                                 echo "<li>Attempting to create DB user.</li>";
 991                                                 $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBadminuser, $wgDBadminpassword, $wgDBname, 1, 64);
 992                                                 if ($wgDatabase->isOpen()) {
 993                                                         $wgDBOracleDefTS = $conf->DBdefTS_ora;
 994                                                         $wgDBOracleTempTS = $conf->DBtempTS_ora;
 995                                                         $wgDatabase->sourceFile( "../maintenance/ora/user.sql"  );
 996                                                 } else {
 997                                                         echo "<li>Invalid database superuser, please supply a valid superuser account.</li>";
 998                                                         echo "<li>ERR: ".print_r(oci_error(), true)."</li>";
 999                                                         $ok = false;
1000                                                 }
1001                                         }
1002                                 } else {
1003                                         echo "<li>Database superuser missing, please supply a valid superuser account.</li>";
1004                                         $ok = false;
1005                                 }
1006                                 if (!$ok) {
1007                                         $errs["RootUser"] = "Check username";
1008                                         $errs["RootPW"] = "and password";
1009                                 } else {
1010                                         echo "<li>Attempting to connect to database with new user \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
1011                                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
1012                                 }
1013                         }
1014                         if ($ok) {
1015                                 $myver = $wgDatabase->getServerVersion();
1016                         }
1017                 } else { # not mysql
1018                         error_reporting( E_ALL | E_STRICT );
1019                         $wgSuperUser = '';
1020                         ## Possible connect as a superuser
1021                         // Changed !mysql to postgres check since it seems to only apply to postgres
1022                         if( $useRoot && $conf->DBtype == 'postgres' ) {
1023                                 $wgDBsuperuser = $conf->RootUser;
1024                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"" .
1025                                         htmlspecialchars( $wgDBsuperuser ) . "\"..." );
1026                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
1027                                 if (!$wgDatabase->isOpen()) {
1028                                         print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1029                                         $errs["DBserver"] = "Could not connect to database as superuser";
1030                                         $errs["RootUser"] = "Check username";
1031                                         $errs["RootPW"] = "and password";
1032                                         continue;
1033                                 }
1034                                 $wgDatabase->initial_setup($conf->RootPW, 'postgres');
1035                         }
1036                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
1037                                 "\" as \"" . htmlspecialchars( $wgDBuser ) . "\"..." );
1038                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
1039                         if (!$wgDatabase->isOpen()) {
1040                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1041                                 $errs["DBserver"] = "Could not connect to database as user";
1042                                 $errs["DBuser"] = "Check username";
1043                                 $errs["DBpassword"] = "and password";
1044                                 continue;
1045                         } else {
1046                                 $myver = $wgDatabase->getServerVersion();
1047                         }
1048                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
1049                 }
1050
1051                 if ( !$wgDatabase->isOpen() ) {
1052                         $errs["DBserver"] = "Couldn't connect to database";
1053                         continue;
1054                 }
1055
1056                 print "<li>Connected to " . htmlspecialchars( "{$conf->DBtype} $myver" );
1057                 if ($conf->DBtype == 'mysql') {
1058                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
1059                                 print "</li>\n";
1060                                 dieout( "-- mysql 4.0.14 or later required. Aborting." );
1061                         }
1062                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
1063                         if( $mysqlNewAuth && $mysqlOldClient ) {
1064                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
1065                                         to old client libraries; if you have trouble with authentication, see
1066                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
1067                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
1068                         }
1069                         if( $wgDBmysql5 ) {
1070                                 if( $mysqlNewAuth ) {
1071                                         print "; enabling MySQL 4.1/5.0 charset mode";
1072                                 } else {
1073                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
1074                                                 but older version detected; will likely fail.</b>";
1075                                 }
1076                         }
1077                         print "</li>\n";
1078
1079                         @$sel = $wgDatabase->selectDB( $wgDBname );
1080                         if( $sel ) {
1081                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
1082                         } else {
1083                                 $err = mysql_errno();
1084                                 $databaseSafe = htmlspecialchars( $wgDBname );
1085                                 if( $err == 1102 /* Invalid database name */ ) {
1086                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
1087                                         continue;
1088                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
1089                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
1090                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
1091                                         continue;
1092                                 }
1093                                 print "<li>Attempting to create database...</li>";
1094                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
1095                                 if( !$res ) {
1096                                         print "<li>Couldn't create database <tt>" .
1097                                                 htmlspecialchars( $wgDBname ) .
1098                                                 "</tt>; try with root access or check your username/pass.</li>\n";
1099                                         $errs["RootPW"] = "<- Enter";
1100                                         continue;
1101                                 }
1102                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
1103                         }
1104                         $wgDatabase->selectDB( $wgDBname );
1105                 }
1106                 else if ($conf->DBtype == 'postgres') {
1107                         if( version_compare( $myver, "8.0" ) < 0 ) {
1108                                 dieout( "<b>Postgres 8.0 or later is required</b>. Aborting." );
1109                         }
1110                 }
1111
1112                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
1113                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
1114
1115                         if ( $conf->DBtype == 'mysql') {
1116                                 # Determine existing default character set
1117                                 if ( $wgDatabase->tableExists( "revision" ) ) {
1118                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
1119                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
1120                                         $row = $wgDatabase->fetchObject( $res );
1121                                         if ( !$row ) {
1122                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
1123                                                 $existingSchema = false;
1124                                                 $existingEngine = false;
1125                                         } else {
1126                                                 if ( preg_match( '/^latin1/', $row->Collation ) ) {
1127                                                         $existingSchema = 'mysql4';
1128                                                 } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
1129                                                         $existingSchema = 'mysql5';
1130                                                 } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
1131                                                         $existingSchema = 'mysql5-binary';
1132                                                 } else {
1133                                                         $existingSchema = false;
1134                                                         echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
1135                                                 }
1136                                                 if ( isset( $row->Engine ) ) {
1137                                                         $existingEngine = $row->Engine;
1138                                                 } else {
1139                                                         $existingEngine = $row->Type;
1140                                                 }
1141                                         }
1142                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
1143                                                 $encExisting = htmlspecialchars( $existingSchema );
1144                                                 $encRequested = htmlspecialchars( $conf->DBschema );
1145                                                 print "<li><strong>Warning:</strong> you requested the $encRequested schema, " .
1146                                                         "but the existing database has the $encExisting schema. This upgrade script ".
1147                                                         "can't convert it, so it will remain $encExisting.</li>\n";
1148                                                 $conf->setSchema( $existingSchema, $conf->DBengine );
1149                                         }
1150                                         if ( $existingEngine && $existingEngine != $conf->DBengine ) {
1151                                                 $encExisting = htmlspecialchars( $existingEngine );
1152                                                 $encRequested = htmlspecialchars( $conf->DBengine );
1153                                                 print "<li><strong>Warning:</strong> you requested the $encRequested storage " .
1154                                                         "engine, but the existing database uses the $encExisting engine. This upgrade " .
1155                                                         "script can't convert it, so it will remain $encExisting.</li>\n";
1156                                                 $conf->setSchema( $conf->DBschema, $existingEngine );
1157                                         }
1158                                 }
1159
1160                                 # Create user if required
1161                                 if ( $conf->Root ) {
1162                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1163                                         if ( $conn->isOpen() ) {
1164                                                 print "<li>DB user account ok</li>\n";
1165                                                 $conn->close();
1166                                         } else {
1167                                                 print "<li>Granting user permissions...";
1168                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
1169                                                         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>";
1170                                                 }
1171                                                 print "</li>\n";
1172                                                 $wgDatabase->sourceFile( "../maintenance/users.sql" );
1173                                         }
1174                                 }
1175                         }
1176                         print "</ul><pre>\n";
1177                         chdir( ".." );
1178                         flush();
1179                         do_all_updates();
1180                         chdir( "config" );
1181                         print "</pre>\n";
1182                         print "<ul><li>Finished update checks.</li>\n";
1183                 // if tables don't yet exist
1184                 } else {
1185                         # Determine available storage engines if possible
1186                         if ( $conf->DBtype == 'mysql' && version_compare( $myver, "4.1.2", "ge" ) ) {
1187                                 $res = $wgDatabase->query( 'SHOW ENGINES' );
1188                                 $found = false;
1189                                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
1190                                         if ( $row->Engine == $conf->DBengine && ( $row->Support == 'YES' || $row->Support == 'DEFAULT' ) ) {
1191                                                 $found = true;
1192                                                 break;
1193                                         }
1194                                 }
1195                                 $wgDatabase->freeResult( $res );
1196                                 if ( !$found && $conf->DBengine != 'MyISAM' ) {
1197                                         echo "<li><strong>Warning:</strong> " . htmlspecialchars( $conf->DBengine ) .
1198                                                 " storage engine not available, " .
1199                                                 "using MyISAM instead</li>\n";
1200                                         $conf->setSchema( $conf->DBschema, 'MyISAM' );
1201                                 }
1202                         }
1203
1204                         # FIXME: Check for errors
1205                         print "<li>Creating tables...";
1206                         if ($conf->DBtype == 'mysql') {
1207                                 $wgDatabase->sourceFile( "../maintenance/tables.sql" );
1208                                 $wgDatabase->sourceFile( "../maintenance/interwiki.sql" );
1209                         } elseif (is_callable(array($wgDatabase, 'setup_database'))) {
1210                                 $wgDatabase->setup_database();
1211                         }
1212                         else {
1213                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
1214                                 continue;
1215                         }
1216
1217                         print " done.</li>\n";
1218
1219
1220                         if ($conf->DBtype == 'ibm_db2') {
1221                                 // Now that table creation is done, make sure everything is committed
1222                                 // Do this before doing inserts through API
1223                                 if ($wgDatabase->lastError()) {
1224                                         print "<li>Errors encountered during table creation -- rolled back</li>\n";
1225                                         $wgDatabase->rollback();
1226                                 }
1227                                 else {
1228                                         print "<li>MediaWiki tables successfully created</li>\n";
1229                                         $wgDatabase->commit();
1230                                 }
1231                         }
1232
1233                         print "<li>Initializing statistics...</li>\n";
1234                         $wgDatabase->insert( 'site_stats',
1235                                 array ( 'ss_row_id'        => 1,
1236                                                 'ss_total_views'   => 0,
1237                                                 'ss_total_edits'   => 1, # Main page first edit
1238                                                 'ss_good_articles' => 0, # Main page is not a good article - no internal link
1239                                                 'ss_total_pages'   => 1, # Main page
1240                                                 'ss_users'         => $conf->SysopName ? 1 : 0, # Sysop account, if created
1241                                                 'ss_admins'        => $conf->SysopName ? 1 : 0, # Sysop account, if created
1242                                                 'ss_images'        => 0 ) );
1243
1244                         # Set up the "regular user" account *if we can, and if we need to*
1245                         if( $conf->Root and $conf->DBtype == 'mysql') {
1246                                 # See if we need to
1247                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1248                                 if( $wgDatabase2->isOpen() ) {
1249                                         # Nope, just close the test connection and continue
1250                                         $wgDatabase2->close();
1251                                         echo( "<li>User " . htmlspecialchars( $wgDBuser ) . " exists. Skipping grants.</li>\n" );
1252                                 } else {
1253                                         # Yes, so run the grants
1254                                         echo( "<li>" . htmlspecialchars( "Granting user permissions to $wgDBuser on $wgDBname..." ) );
1255                                         $wgDatabase->sourceFile( "../maintenance/users.sql" );
1256                                         echo( "success.</li>\n" );
1257                                 }
1258                         }
1259
1260                         if( $conf->SysopName ) {
1261                                 $u = User::newFromName( $conf->getSysopName() );
1262                                 if ( !$u ) {
1263                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
1264                                 }
1265                                 else if ( 0 == $u->idForName() ) {
1266                                         $u->addToDatabase();
1267                                         $u->setPassword( $conf->getSysopPass() );
1268                                         $u->saveSettings();
1269
1270                                         $u->addGroup( "sysop" );
1271                                         $u->addGroup( "bureaucrat" );
1272
1273                                         print "<li>Created sysop account <tt>" .
1274                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
1275                                 } else {
1276                                         print "<li>Could not create user - already exists!</li>\n";
1277                                 }
1278                         } else {
1279                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
1280                         }
1281
1282                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
1283                         $article = new Article( $titleobj );
1284                         $newid = $article->insertOn( $wgDatabase );
1285                         $revision = new Revision( array(
1286                                 'page'      => $newid,
1287                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1288                                 'comment'   => '',
1289                                 'user'      => 0,
1290                                 'user_text' => 'MediaWiki default',
1291                                 ) );
1292                         $revid = $revision->insertOn( $wgDatabase );
1293                         $article->updateRevisionOn( $wgDatabase, $revision );
1294                 }
1295
1296                 /* Write out the config file now that all is well */
1297                 print "<li style=\"list-style: none\">\n";
1298                 print "<p>Creating LocalSettings.php...</p>\n\n";
1299                 $localSettings = "<" . "?php$endl$local";
1300                 // Fix up a common line-ending problem (due to CVS on Windows)
1301                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1302                 $f = fopen( "LocalSettings.php", 'xt' );
1303
1304                 if( $f == false ) {
1305                         print( "</li>\n" );
1306                         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" .
1307                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1308                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1309                 }
1310                 if(fwrite( $f, $localSettings ) ) {
1311                         fclose( $f );
1312                         print "<hr/>\n";
1313                         writeSuccessMessage();
1314                         print "</li>\n";
1315                 } else {
1316                         fclose( $f );
1317                         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" );
1318                 }
1319
1320         } while( false );
1321 }
1322
1323 print "</ul>\n";
1324 $mainListOpened = false;
1325
1326 if( count( $errs ) ) {
1327         /* Display options form */
1328
1329         if( $conf->posted ) {
1330                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1331         }
1332 ?>
1333
1334 <form action="<?php echo defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php'; ?>" name="config" method="post">
1335
1336 <h2>Site config</h2>
1337
1338 <div class="config-section">
1339         <div class="config-input">
1340                 <?php aField( $conf, "Sitename", "Wiki name:" ); ?>
1341         </div>
1342         <p class="config-desc">
1343                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1344                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1345         </p>
1346         <div class="config-input"><?php aField( $conf, "EmergencyContact", "Contact e-mail:" ); ?></div>
1347         <p class="config-desc">
1348                 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.
1349         </p>
1350
1351         <div class="config-input">
1352                 <label class='column' for="LanguageCode">Language:</label>
1353                 <select id="LanguageCode" name="LanguageCode"><?php
1354                         $list = getLanguageList();
1355                         foreach( $list as $code => $name ) {
1356                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1357                                 $encCode = htmlspecialchars( $code );
1358                                 $encName = htmlspecialchars( $name );
1359                                 echo "\n\t\t<option value=\"$encCode\" $sel>$encName</option>";
1360                         }
1361                         echo "\n";
1362                 ?>
1363                 </select>
1364         </div>
1365         <p class="config-desc">
1366                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1367         </p>
1368
1369         <div class="config-input">
1370                 <label class='column'>Copyright/license:</label>
1371
1372                 <ul class="plain">
1373                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1374                 <li><?php aField( $conf, "License", "Public Domain", "radio", "pd" ); ?></li>
1375                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2", "radio", "gfdl1_2" ); ?></li>
1376                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.3", "radio", "gfdl1_3" ); ?></li>
1377                 <li><?php
1378                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1379                         $partner = "MediaWiki";
1380    $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1381                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/$script?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1382                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1383                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1384                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1385                         if( $conf->License == "cc" ) { ?>
1386                         <ul>
1387                         <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1388                         <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1389                         <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1390                         <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1391                         </ul>
1392                         <?php } ?>
1393                         </li>
1394                 </ul>
1395         </div>
1396         <p class="config-desc">
1397                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1398         </p>
1399
1400
1401         <div class="config-input">
1402                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1403         </div>
1404         <div class="config-input">
1405                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1406         </div>
1407         <div class="config-input">
1408                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1409         </div>
1410         <p class="config-desc">
1411                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1412                 A new account will be added only when creating a new wiki database.
1413                 <br /><br />
1414                 The password cannot be the same as the username.
1415         </p>
1416
1417         <div class="config-input">
1418                 <label class='column'>Object caching:</label>
1419
1420                 <ul class="plain">
1421                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1422                 <?php
1423                         if ( $conf->turck ) {
1424                                 echo "<li>";
1425                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1426                                 echo "</li>\n";
1427                         }
1428                         if( $conf->xcache ) {
1429                                 echo "<li>";
1430                                 aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
1431                                 echo "</li>\n";
1432                         }
1433                         if ( $conf->apc ) {
1434                                 echo "<li>";
1435                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1436                                 echo "</li>\n";
1437                         }
1438                         if ( $conf->eaccel ) {
1439                                 echo "<li>";
1440                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1441                                 echo "</li>\n";
1442                         }
1443                         if ( $conf->dba ) {
1444                                 echo "<li>";
1445                                 aField( $conf, "Shm", "DBA (not recommended)", "radio", "dba" );
1446                                 echo "</li>";
1447                         }
1448                 ?>
1449                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1450                 </ul>
1451                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1452         </div>
1453         <p class="config-desc">
1454                 An object caching system such as memcached will provide a significant performance boost,
1455                 but needs to be installed. Provide the server addresses and ports in a comma-separated list.
1456                 <br /><br />
1457                 MediaWiki can also detect and support eAccelerator, Turck MMCache, APC, and XCache, but
1458                 these should not be used if the wiki will be running on multiple application servers.
1459                 <br/><br/>
1460                 DBA (Berkeley-style DB) is generally slower than using no cache at all, and is only
1461                 recommended for testing.
1462         </p>
1463 </div>
1464
1465 <h2>E-mail, e-mail notification and authentication setup</h2>
1466
1467 <div class="config-section">
1468         <div class="config-input">
1469                 <label class='column'>E-mail features (global):</label>
1470                 <ul class="plain">
1471                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1472                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1473                 </ul>
1474         </div>
1475         <p class="config-desc">
1476                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1477                 if sending mail doesn't work on your server.
1478         </p>
1479
1480         <div class="config-input">
1481                 <label class='column'>User-to-user e-mail:</label>
1482                 <ul class="plain">
1483                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1484                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1485                 </ul>
1486         </div>
1487         <p class="config-desc">
1488                 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.
1489         </p>
1490         <div class="config-input">
1491                 <label class='column'>E-mail notification about changes:</label>
1492                 <ul class="plain">
1493                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1494                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1495                 <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>
1496                 </ul>
1497         </div>
1498         <div class="config-desc">
1499                 <p>
1500                 For this feature to work, an e-mail address must be present for the user account, and the notification
1501                 options in the user's preferences must be enabled. Also note the
1502                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1503
1504                 <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>
1505         </div>
1506
1507         <div class="config-input">
1508                 <label class='column'>E-mail address authentication:</label>
1509                 <ul class="plain">
1510                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1511                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1512                 </ul>
1513         </div>
1514         <div class="config-desc">
1515                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1516                 change notification mails. Setting this option is <b>recommended</b> for public wikis because of potential abuse of the e-mail features above.</p>
1517         </div>
1518
1519 </div>
1520
1521 <h2>Database config</h2>
1522
1523 <div class="config-section">
1524 <div class="config-input">
1525         <label class='column'>Database type:</label>
1526 <?php
1527         if (isset($errs['DBpicktype'])) {
1528                 print "\t<span class='error'>" . htmlspecialchars( $errs['DBpicktype'] ) . "</span>\n";
1529         }
1530 ?>
1531         <ul class='plain'><?php
1532                 database_picker($conf);
1533         ?></ul>
1534         </div>
1535
1536         <div class="config-input" style="clear:left">
1537         <?php aField( $conf, "DBserver", "Database host:" ); ?>
1538         </div>
1539         <p class="config-desc">
1540                 If your database server isn't on your web server, enter the name or IP address here.
1541         </p>
1542
1543         <div class="config-input"><?php aField( $conf, "DBname", "Database name:" ); ?></div>
1544         <div class="config-input"><?php aField( $conf, "DBuser", "DB username:" ); ?></div>
1545         <div class="config-input"><?php aField( $conf, "DBpassword", "DB password:", "password" ); ?></div>
1546         <div class="config-input"><?php aField( $conf, "DBpassword2", "DB password confirm:", "password" ); ?></div>
1547         <p class="config-desc">
1548                 If you only have a single user account and database available,
1549                 enter those here. If you have database root access (see below)
1550                 you can specify new accounts/databases to be created. This account
1551                 will not be created if it pre-exists. If this is the case, ensure that it
1552                 has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1553         </p>
1554
1555         <div class="config-input">
1556                 <label class="column">Superuser account:</label>
1557                 <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?> />
1558                 &nbsp;<label for="useroot">Use superuser account</label>
1559         </div>
1560         <div class="config-input"><?php aField( $conf, "RootUser", "Superuser name:", "text" ); ?></div>
1561         <div class="config-input"><?php aField( $conf, "RootPW", "Superuser password:", "password" ); ?></div>
1562
1563         <p class="config-desc">
1564                 If the database user specified above does not exist, or does not have access to create
1565                 the database (if needed) or tables within it, please check the box and provide details
1566                 of a superuser account, such as <strong>root</strong>, which does.
1567         </p>
1568
1569         <?php database_switcher('mysql'); ?>
1570         <div class="config-input"><?php aField( $conf, "DBprefix", "Database table prefix:" ); ?></div>
1571         <div class="config-desc">
1572                 <p>If you need to share one database between multiple wikis, or
1573                 between MediaWiki and another web application, you may choose to
1574                 add a prefix to all the table names to avoid conflicts.</p>
1575
1576                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1577         </div>
1578
1579         <div class="config-input"><label class="column">Storage Engine</label>
1580                 <div>Select one:</div>
1581                 <ul class="plain">
1582                 <li><?php aField( $conf, "DBengine", "InnoDB", "radio", "InnoDB" ); ?></li>
1583                 <li><?php aField( $conf, "DBengine", "MyISAM", "radio", "MyISAM" ); ?></li>
1584                 </ul>
1585         </div>
1586         <p class="config-desc">
1587                 InnoDB is best for public web installations, since it has good concurrency
1588                 support. MyISAM may be faster in single-user installations. MyISAM databases
1589                 tend to get corrupted more often than InnoDB databases.
1590         </p>
1591         <div class="config-input"><label class="column">Database character set</label>
1592                 <div>Select one:</div>
1593                 <ul class="plain">
1594                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1595                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1596                 <li><?php aField( $conf, "DBschema", "MySQL 4.0 backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1597                 </ul>
1598         </div>
1599         <p class="config-desc">
1600                 This option is ignored on upgrade, the same character set will be kept.
1601                 <br/><br/>
1602                 <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!.
1603                 <br/><br/>
1604                 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>.
1605         </p>
1606         </fieldset>
1607
1608         <?php database_switcher('postgres'); ?>
1609         <div class="config-input"><?php aField( $conf, "DBport", "Database port:" ); ?></div>
1610         <div class="config-input"><?php aField( $conf, "DBmwschema", "Schema for mediawiki:" ); ?></div>
1611         <div class="config-input"><?php aField( $conf, "DBts2schema", "Schema for tsearch2:" ); ?></div>
1612         <div class="config-desc">
1613                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1614                 so it is recommended that you create a new user. The above schemas are generally correct:
1615         only change them if you are sure you need to.</p>
1616         </div>
1617         </fieldset>
1618
1619         <?php database_switcher('sqlite'); ?>
1620         <div class="config-desc">
1621                 <b>NOTE:</b> SQLite only uses the <i>Database name</i> setting above, the user, password and root settings are ignored.
1622         </div>
1623         <div class="config-input"><?php
1624                 aField( $conf, "SQLiteDataDir", "SQLite data directory:" );
1625         ?></div>
1626         <div class="config-desc">
1627                 <p>SQLite stores table data into files in the filesystem.
1628                 If you do not provide an explicit path, a "data" directory in
1629                 the parent of your document root will be used.</p>
1630
1631                 <p>This directory must exist and be writable by the web server.</p>
1632         </div>
1633         </fieldset>
1634
1635         <?php database_switcher('mssql'); ?>
1636         <div class="config-input"><?php
1637                 aField( $conf, "DBprefix2", "Database table prefix:" );
1638         ?></div>
1639         <div class="config-desc">
1640                 <p>If you need to share one database between multiple wikis, or
1641                 between MediaWiki and another web application, you may choose to
1642                 add a prefix to all the table names to avoid conflicts.</p>
1643
1644                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1645         </div>
1646         </fieldset>
1647
1648         <?php database_switcher('ibm_db2'); ?>
1649         <div class="config-input"><?php
1650                 aField( $conf, "DBport_db2", "Database port:" );
1651         ?></div>
1652         <div class="config-input"><?php
1653                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1654         ?></div>
1655         <div>Select one:</div>
1656                 <ul class="plain">
1657                 <li><?php aField( $conf, "DBcataloged", "Cataloged (DB2 installed locally)", "radio", "cataloged" ); ?></li>
1658                 <li><?php aField( $conf, "DBcataloged", "Uncataloged (remote DB2 through ODBC)", "radio", "uncataloged" ); ?></li>
1659                 </ul>
1660         <div class="config-desc">
1661                 <p>If you need to share one database between multiple wikis, or
1662                 between MediaWiki and another web application, you may specify
1663                 a different schema to avoid conflicts.</p>
1664         </div>
1665         </fieldset>
1666
1667         <?php database_switcher('oracle'); ?>
1668         <div class="config-input"><?php aField( $conf, "DBprefix_ora", "Database table prefix:" ); ?></div>
1669         <div class="config-desc">
1670                 <p>If you need to share one database between multiple wikis, or
1671                 between MediaWiki and another web application, you may choose to
1672                 add a prefix to all the table names to avoid conflicts.</p>
1673
1674                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1675         </div>
1676         <div class="config-input"><?php aField( $conf, "DBdefTS_ora", "Default tablespace:" ); ?></div>
1677         <div class="config-input"><?php aField( $conf, "DBtempTS_ora", "Temporary tablespace:" ); ?></div>
1678         </fieldset>
1679
1680         <div class="config-input" style="padding:2em 0 3em">
1681                 <label class='column'>&nbsp;</label>
1682                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1683         </div>
1684 </div>
1685 </form>
1686 <script type="text/javascript">
1687 window.onload = toggleDBarea( <?php echo Xml::encodeJsVar( $conf->DBtype ); ?>,
1688 <?php
1689         ## If they passed in a root user name, don't populate it on page load
1690         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1691 ?>);
1692 </script>
1693 <?php
1694 }
1695
1696 /* -------------------------------------------------------------------------------------- */
1697 function writeSuccessMessage() {
1698  $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1699         if ( wfIniGetBool( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1700                 echo <<<EOT
1701 <div class="success-box">
1702 <p>Installation successful!</p>
1703 <p>To complete the installation, please do the following:
1704 <ol>
1705         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1706         <li>Upload it to the parent directory</li>
1707         <li>Delete config/LocalSettings.php</li>
1708         <li>Start using <a href='../$script'>your wiki</a>!
1709 </ol>
1710 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1711 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1712 which means that anyone on the same server can read your database password! Downloading
1713 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1714 </div>
1715 EOT;
1716         } else {
1717                 echo <<<EOT
1718 <div class="success-box">
1719 <p>
1720 <span class="success-message">Installation successful!</span>
1721 Move the <tt>config/LocalSettings.php</tt> file to the parent directory, then follow
1722 <a href="../$script"> this link</a> to your wiki.</p>
1723 <p>You should change file permissions for <tt>LocalSettings.php</tt> as required to
1724 prevent other users on the server reading passwords and altering configuration data.</p>
1725 </div>
1726 EOT;
1727         }
1728 }
1729
1730
1731 function escapePhpString( $string ) {
1732         if ( is_array( $string ) || is_object( $string ) ) {
1733                 return false;
1734         }
1735         return strtr( $string,
1736                 array(
1737                         "\n" => "\\n",
1738                         "\r" => "\\r",
1739                         "\t" => "\\t",
1740                         "\\" => "\\\\",
1741                         "\$" => "\\\$",
1742                         "\"" => "\\\""
1743                 ));
1744 }
1745
1746 function writeLocalSettings( $conf ) {
1747         $conf->PasswordSender = $conf->EmergencyContact;
1748         $magic = ($conf->ImageMagick ? "" : "# ");
1749         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1750         $rights = ($conf->RightsUrl) ? "" : "# ";
1751         $hashedUploads = $conf->safeMode ? '' : '# ';
1752
1753         if ( $conf->ShellLocale ) {
1754                 $locale = '';
1755         } else {
1756                 $locale = '# ';
1757                 $conf->ShellLocale = 'en_US.UTF-8';
1758         }
1759
1760         switch ( $conf->Shm ) {
1761                 case 'memcached':
1762                         $cacheType = 'CACHE_MEMCACHED';
1763                         $mcservers = var_export( $conf->MCServerArray, true );
1764                         break;
1765                 case 'turck':
1766                 case 'xcache':
1767                 case 'apc':
1768                 case 'eaccel':
1769                         $cacheType = 'CACHE_ACCEL';
1770                         $mcservers = 'array()';
1771                         break;
1772                 case 'dba':
1773                         $cacheType = 'CACHE_DBA';
1774                         $mcservers = 'array()';
1775                         break;
1776                 default:
1777                         $cacheType = 'CACHE_NONE';
1778                         $mcservers = 'array()';
1779         }
1780
1781         if ( $conf->Email == 'email_enabled' ) {
1782                 $enableemail = 'true';
1783                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1784                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1785                 switch ( $conf->Enotif ) {
1786                         case 'enotif_usertalk':
1787                                 $enotifusertalk = 'true';
1788                                 $enotifwatchlist = 'false';
1789                                 break;
1790                         case 'enotif_allpages':
1791                                 $enotifusertalk = 'true';
1792                                 $enotifwatchlist = 'true';
1793                                 break;
1794                         default:
1795                                 $enotifusertalk = 'false';
1796                                 $enotifwatchlist = 'false';
1797                 }
1798         } else {
1799                 $enableuseremail = 'false';
1800                 $enableemail = 'false';
1801                 $eauthent = 'false';
1802                 $enotifusertalk = 'false';
1803                 $enotifwatchlist = 'false';
1804         }
1805
1806         $file = @fopen( "/dev/urandom", "r" );
1807         if ( $file ) {
1808                 $secretKey = bin2hex( fread( $file, 32 ) );
1809                 fclose( $file );
1810         } else {
1811                 $secretKey = "";
1812                 for ( $i=0; $i<8; $i++ ) {
1813                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1814                 }
1815                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1816         }
1817
1818         # Add slashes to strings for double quoting
1819         $slconf = wfArrayMap( "escapePhpString", get_object_vars( $conf ) );
1820         if( $conf->License == 'gfdl1_2' || $conf->License == 'pd' || $conf->License == 'gfdl1_3' ) {
1821                 # Needs literal string interpolation for the current style path
1822                 $slconf['RightsIcon'] = $conf->RightsIcon;
1823         }
1824
1825         if( $conf->DBtype == 'mysql' ) {
1826                 $dbsettings =
1827 "# MySQL specific settings
1828 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1829
1830 # MySQL table options to use during installation or update
1831 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1832
1833 # Experimental charset support for MySQL 4.1/5.0.
1834 \$wgDBmysql5 = {$conf->DBmysql5};";
1835         } elseif( $conf->DBtype == 'postgres' ) {
1836                 $dbsettings =
1837 "# Postgres specific settings
1838 \$wgDBport           = \"{$slconf['DBport']}\";
1839 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1840 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";";
1841         } elseif( $conf->DBtype == 'sqlite' ) {
1842                 $dbsettings =
1843 "# SQLite-specific settings
1844 \$wgSQLiteDataDir    = \"{$slconf['SQLiteDataDir']}\";";
1845         } elseif( $conf->DBtype == 'mssql' ) {
1846                 $dbsettings =
1847 "# MSSQL specific settings
1848 \$wgDBprefix         = \"{$slconf['DBprefix2']}\";";
1849         } elseif( $conf->DBtype == 'ibm_db2' ) {
1850                 $dbsettings =
1851 "# DB2 specific settings
1852 \$wgDBport_db2       = \"{$slconf['DBport_db2']}\";
1853 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1854 \$wgDBcataloged      = \"{$slconf['DBcataloged']}\";";
1855         } elseif( $conf->DBtype == 'oracle' ) {
1856                 $dbsettings =
1857 "# Oracle specific settings
1858 \$wgDBprefix         = \"{$slconf['DBprefix']}\";";
1859         } else {
1860                 // ummm... :D
1861                 $dbsettings = '';
1862         }
1863
1864
1865         $localsettings = "
1866 # This file was automatically generated by the MediaWiki installer.
1867 # If you make manual changes, please keep track in case you need to
1868 # recreate them later.
1869 #
1870 # See includes/DefaultSettings.php for all configurable settings
1871 # and their default values, but don't forget to make changes in _this_
1872 # file, not there.
1873 #
1874 # Further documentation for configuration settings may be found at:
1875 # http://www.mediawiki.org/wiki/Manual:Configuration_settings
1876
1877 # If you customize your file layout, set \$IP to the directory that contains
1878 # the other MediaWiki files. It will be used as a base to locate files.
1879 if( defined( 'MW_INSTALL_PATH' ) ) {
1880         \$IP = MW_INSTALL_PATH;
1881 } else {
1882         \$IP = dirname( __FILE__ );
1883 }
1884
1885 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1886 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1887
1888 require_once( \"\$IP/includes/DefaultSettings.php\" );
1889
1890 if ( \$wgCommandLineMode ) {
1891         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1892                 die( \"This script must be run from the command line\\n\" );
1893         }
1894 }
1895 ## Uncomment this to disable output compression
1896 # \$wgDisableOutputCompression = true;
1897
1898 \$wgSitename         = \"{$slconf['Sitename']}\";
1899
1900 ## The URL base path to the directory containing the wiki;
1901 ## defaults for all runtime URL paths are based off of this.
1902 ## For more information on customizing the URLs please see:
1903 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1904 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1905 \$wgScriptExtension  = \"{$slconf['ScriptExtension']}\";
1906
1907 ## UPO means: this is also a user preference option
1908
1909 \$wgEnableEmail      = $enableemail;
1910 \$wgEnableUserEmail  = $enableuseremail; # UPO
1911
1912 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1913 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1914
1915 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1916 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1917 \$wgEmailAuthentication = $eauthent;
1918
1919 ## Database settings
1920 \$wgDBtype           = \"{$slconf['DBtype']}\";
1921 \$wgDBserver         = \"{$slconf['DBserver']}\";
1922 \$wgDBname           = \"{$slconf['DBname']}\";
1923 \$wgDBuser           = \"{$slconf['DBuser']}\";
1924 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1925
1926 {$dbsettings}
1927
1928 ## Shared memory settings
1929 \$wgMainCacheType = $cacheType;
1930 \$wgMemCachedServers = $mcservers;
1931
1932 ## To enable image uploads, make sure the 'images' directory
1933 ## is writable, then set this to true:
1934 \$wgEnableUploads       = false;
1935 {$magic}\$wgUseImageMagick = true;
1936 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1937
1938 ## If you use ImageMagick (or any other shell command) on a
1939 ## Linux server, this will need to be set to the name of an
1940 ## available UTF-8 locale
1941 {$locale}\$wgShellLocale = \"{$slconf['ShellLocale']}\";
1942
1943 ## If you want to use image uploads under safe mode,
1944 ## create the directories images/archive, images/thumb and
1945 ## images/temp, and make them all writable. Then uncomment
1946 ## this, if it's not already uncommented:
1947 {$hashedUploads}\$wgHashedUploadDirectory = false;
1948
1949 ## If you have the appropriate support software installed
1950 ## you can enable inline LaTeX equations:
1951 \$wgUseTeX           = false;
1952
1953 ## Set \$wgCacheDirectory to a writable directory on the web server
1954 ## to make your wiki go slightly faster. The directory should not
1955 ## be publically accessible from the web.
1956 #\$wgCacheDirectory = \"\$IP/cache\";
1957
1958 \$wgLocalInterwiki   = strtolower( \$wgSitename );
1959
1960 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1961
1962 \$wgSecretKey = \"$secretKey\";
1963
1964 ## Default skin: you can change the default skin. Use the internal symbolic
1965 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1966 \$wgDefaultSkin = 'monobook';
1967
1968 ## For attaching licensing metadata to pages, and displaying an
1969 ## appropriate copyright notice / icon. GNU Free Documentation
1970 ## License and Creative Commons licenses are supported so far.
1971 {$rights}\$wgEnableCreativeCommonsRdf = true;
1972 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1973 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1974 \$wgRightsText = \"{$slconf['RightsText']}\";
1975 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1976 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1977
1978 \$wgDiff3 = \"{$slconf['diff3']}\";
1979
1980 \$wgPhpCliPath = \"{$slconf['phpCliPath']}\";
1981
1982 # When you make changes to this configuration file, this will make
1983 # sure that cached pages are cleared.
1984 \$wgCacheEpoch = max( \$wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
1985 "; ## End of setting the $localsettings string
1986
1987         // Keep things in Unix line endings internally;
1988         // the system will write out as local text type.
1989         return str_replace( "\r\n", "\n", $localsettings );
1990 }
1991
1992 function dieout( $text ) {
1993         global $mainListOpened;
1994         if( $mainListOpened ) echo( "</ul>" );
1995         if( $text != '' && substr( $text, 0, 2 ) != '<p'  && substr( $text, 0, 2 ) != '<h' ){
1996                 echo "<p>$text</p>\n";
1997         } else {
1998                 echo $text;
1999         }
2000         die( "\n\n</div>\n</div>\n</div>\n</div>\n</body>\n</html>" );
2001 }
2002
2003 function importVar( &$var, $name, $default = "" ) {
2004         if( isset( $var[$name] ) ) {
2005                 $retval = $var[$name];
2006                 if ( get_magic_quotes_gpc() ) {
2007                         $retval = stripslashes( $retval );
2008                 }
2009         } else {
2010                 $retval = $default;
2011         }
2012         taint( $retval );
2013         return $retval;
2014 }
2015
2016 function importPost( $name, $default = "" ) {
2017         return importVar( $_POST, $name, $default );
2018 }
2019
2020 function importCheck( $name ) {
2021         return isset( $_POST[$name] );
2022 }
2023
2024 function importRequest( $name, $default = "" ) {
2025         return importVar( $_REQUEST, $name, $default );
2026 }
2027
2028 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
2029         static $radioCount = 0;
2030         if( $type != "" ) {
2031                 $xtype = "type=\"$type\"";
2032         } else {
2033                 $xtype = "";
2034         }
2035
2036         $id = $field;
2037         $nolabel = ($type == "radio") || ($type == "hidden");
2038
2039         if ($type == 'radio')
2040                 $id .= $radioCount++;
2041
2042         if( !$nolabel ) {
2043                 echo "<label class='column' for=\"$id\">$text</label>";
2044         }
2045
2046         if( $type == "radio" && $value == $conf->$field ) {
2047                 $checked = "checked='checked'";
2048         } else {
2049                 $checked = "";
2050         }
2051         echo "<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
2052         if ($onclick) {
2053                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
2054         }
2055         echo "value=\"";
2056         if( $type == "radio" ) {
2057                 echo htmlspecialchars( $value );
2058         } else {
2059                 echo htmlspecialchars( $conf->$field );
2060         }
2061
2062
2063         echo "\" />";
2064         if( $nolabel ) {
2065                 echo "<label for=\"$id\">$text</label>";
2066         }
2067
2068         global $errs;
2069         if(isset($errs[$field])) {
2070                 echo "<span class='error'>" . htmlspecialchars( $errs[$field] ) . "</span>\n";
2071         }
2072 }
2073
2074 function getLanguageList() {
2075         global $wgLanguageNames, $IP;
2076         if( !isset( $wgLanguageNames ) ) {
2077                 require_once( "$IP/languages/Names.php" );
2078         }
2079
2080         $codes = array();
2081
2082         $d = opendir( "../languages/messages" );
2083         /* In case we are called from the root directory */
2084         if (!$d)
2085                 $d = opendir( "languages/messages");
2086         while( false !== ($f = readdir( $d ) ) ) {
2087                 $m = array();
2088                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
2089                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
2090                         if( isset( $wgLanguageNames[$code] ) ) {
2091                                 $name = wfBCP47( $code ) . ' - ' . $wgLanguageNames[$code];
2092                         } else {
2093                                 $name = $code;
2094                         }
2095                         $codes[$code] = $name;
2096                 }
2097         }
2098         closedir( $d );
2099         ksort( $codes );
2100         return $codes;
2101 }
2102
2103 #Check for location of an executable
2104 # @param string $loc single location to check
2105 # @param array $names filenames to check for.
2106 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
2107 function locate_executable($loc, $names, $versioninfo = false) {
2108         if (!is_array($names))
2109                 $names = array($names);
2110
2111         foreach ($names as $name) {
2112                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
2113                 if (@file_exists($command)) {
2114                         if (!$versioninfo)
2115                                 return $command;
2116
2117                         $file = str_replace('$1', $command, $versioninfo[0]);
2118                         if (strstr(`$file`, $versioninfo[1]) !== false)
2119                                 return $command;
2120                 }
2121         }
2122         return false;
2123 }
2124
2125 # Test a memcached server
2126 function testMemcachedServer( $server ) {
2127         $hostport = explode(":", $server);
2128         $errstr = false;
2129         $fp = false;
2130         if ( !function_exists( 'fsockopen' ) ) {
2131                 $errstr = "Can't connect to memcached, fsockopen() not present";
2132         }
2133         if ( !$errstr && count( $hostport ) != 2 ) {
2134                 $errstr = 'Please specify host and port';
2135         }
2136         if ( !$errstr ) {
2137                 list( $host, $port ) = $hostport;
2138                 $errno = 0;
2139                 $fsockerr = '';
2140
2141                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
2142                 if ( $fp === false ) {
2143                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
2144                 }
2145         }
2146         if ( !$errstr ) {
2147                 $command = "version\r\n";
2148                 $bytes = fwrite( $fp, $command );
2149                 if ( $bytes != strlen( $command ) ) {
2150                         $errstr = "Cannot write to memcached socket on $host:$port";
2151                 }
2152         }
2153         if ( !$errstr ) {
2154                 $expected = "VERSION ";
2155                 $response = fread( $fp, strlen( $expected ) );
2156                 if ( $response != $expected ) {
2157                         $errstr = "Didn't get correct memcached response from $host:$port";
2158                 }
2159         }
2160         if ( $fp ) {
2161                 fclose( $fp );
2162         }
2163         if ( !$errstr ) {
2164                 echo "<li>Connected to memcached on " . htmlspecialchars( "$host:$port" ) ." successfully</li>";
2165         }
2166         return $errstr;
2167 }
2168
2169 function database_picker($conf) {
2170         global $ourdb;
2171         print "\n";
2172         foreach(array_keys($ourdb) as $db) {
2173                 if ($ourdb[$db]['havedriver']) {
2174                         print "\t<li>";
2175                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
2176                         print "</li>\n";
2177                 }
2178         }
2179         print "\n\t";
2180 }
2181
2182 function database_switcher($db) {
2183         global $ourdb;
2184         $color = $ourdb[$db]['bgcolor'];
2185         $full = $ourdb[$db]['fullname'];
2186         print "<fieldset id='$db'><legend>$full specific options</legend>\n";
2187 }
2188
2189 function printListItem( $item ) {
2190         print "<li>$item</li>";
2191 }
2192
2193 # Determine a suitable value for $wgShellLocale
2194 function getShellLocale( $wikiLang ) {
2195         # Give up now if we're in safe mode or open_basedir
2196         # It's theoretically possible but tricky to work with
2197         if ( wfIniGetBool( "safe_mode" ) || ini_get( 'open_basedir' ) ) {
2198                 return false;
2199         }
2200
2201         $os = php_uname( 's' );
2202         $supported = array( 'Linux', 'SunOS', 'HP-UX' ); # Tested these
2203         if ( !in_array( $os, $supported ) ) {
2204                 return false;
2205         }
2206
2207         # Get a list of available locales
2208         $lines = $ret = false;
2209         exec( '/usr/bin/locale -a', $lines, $ret );
2210         if ( $ret ) {
2211                 return false;
2212         }
2213
2214         $lines = wfArrayMap( 'trim', $lines );
2215         $candidatesByLocale = array();
2216         $candidatesByLang = array();
2217         foreach ( $lines as $line ) {
2218                 if ( $line === '' ) {
2219                         continue;
2220                 }
2221                 if ( !preg_match( '/^([a-zA-Z]+)(_[a-zA-Z]+|)\.(utf8|UTF-8)(@[a-zA-Z_]*|)$/i', $line, $m ) ) {
2222                         continue;
2223                 }
2224                 list( $all, $lang, $territory, $charset, $modifier ) = $m;
2225                 $candidatesByLocale[$m[0]] = $m;
2226                 $candidatesByLang[$lang][] = $m;
2227         }
2228
2229         # Try the current value of LANG
2230         if ( isset( $candidatesByLocale[ getenv( 'LANG' ) ] ) ) {
2231                 return getenv( 'LANG' );
2232         }
2233
2234         # Try the most common ones
2235         $commonLocales = array( 'en_US.UTF-8', 'en_US.utf8', 'de_DE.UTF-8', 'de_DE.utf8' );
2236         foreach ( $commonLocales as $commonLocale ) {
2237                 if ( isset( $candidatesByLocale[$commonLocale] ) ) {
2238                         return $commonLocale;
2239                 }
2240         }
2241
2242         # Is there an available locale in the Wiki's language?
2243         if ( isset( $candidatesByLang[$wikiLang] ) ) {
2244                 $m = reset( $candidatesByLang[$wikiLang] );
2245                 return $m[0];
2246         }
2247
2248         # Are there any at all?
2249         if ( count( $candidatesByLocale ) ) {
2250                 $m = reset( $candidatesByLocale );
2251                 return $m[0];
2252         }
2253
2254         # Give up
2255         return false;
2256 }
2257
2258 function wfArrayMap( $function, $input ) {
2259         $ret = array_map( $function, $input );
2260         foreach ( $ret as $key => $value ) {
2261                 $taint = istainted( $input[$key] );
2262                 if ( $taint ) {
2263                         taint( $ret[$key], $taint );
2264                 }
2265         }
2266         return $ret;
2267 }
2268
2269 ?>
2270
2271         <div class="license">
2272         <hr/>
2273         <p>This program is free software; you can redistribute it and/or modify
2274          it under the terms of the GNU General Public License as published by
2275          the Free Software Foundation; either version 2 of the License, or
2276          (at your option) any later version.</p>
2277
2278          <p>This program is distributed in the hope that it will be useful,
2279          but WITHOUT ANY WARRANTY; without even the implied warranty of
2280          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2281          GNU General Public License for more details.</p>
2282
2283          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
2284          along with this program; if not, write to the Free Software
2285          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
2286          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
2287         </div>
2288
2289 </div></div></div>
2290
2291
2292 <div id="column-one">
2293         <div class="portlet" id="p-logo">
2294           <a style="background-image: url(../skins/common/images/mediawiki.png);"
2295             href="../"
2296             title="Main Page"></a>
2297         </div>
2298         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
2299         <div class='portlet'><div class='pBody'>
2300                 <ul>
2301                         <li><a href="../README">Readme</a></li>
2302                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
2303                         <li><a href="../docs/">Documentation</a></li>
2304                         <li><a href="http://www.mediawiki.org/wiki/Help:Contents">User's Guide</a></li>
2305                         <li><a href="http://www.mediawiki.org/wiki/Manual:Contents">Administrator's Guide</a></li>
2306                         <li><a href="http://www.mediawiki.org/wiki/Manual:FAQ">FAQ</a></li>
2307                 </ul>
2308                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright © 2001-2009 by Magnus Manske, Brion Vibber,
2309                  Lee Daniel Crocker, Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason, Niklas Laxström,
2310                  Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor, Aaron Schulz and others.</p>
2311         </div></div>
2312 </div>
2313
2314 </div>
2315
2316 </body>
2317 </html>