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 # The installer can take a while, and we really don't want it to time out
 464 wfSuppressWarnings();
 465 set_time_limit( 0 );
 466 wfRestoreWarnings();
 467
 468 $memlimit = ini_get( "memory_limit" );
 469 if( $memlimit == -1 ) {
 470         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 471 } else {
 472         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ). " bytes. ";
 473         $newlimit = wfMemoryLimit();
 474         $memlimit = wfShorthandToInteger( $memlimit );
 475         if( $newlimit < $memlimit ) {
 476                 print "<b>Failed raising limit, installation may fail.</b>";
 477         } elseif ( $newlimit > $memlimit )  {
 478                 print "Raised <tt>memory_limit</tt> to " . htmlspecialchars( $newlimit ) . " bytes. ";
 479         }
 480         print "</li>\n";
 481 }
 482
 483 $conf->turck = function_exists( 'mmcache_get' );
 484 if ( $conf->turck ) {
 485         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 486 }
 487
 488 $conf->xcache = function_exists( 'xcache_get' );
 489 if( $conf->xcache )
 490         print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>\n";
 491
 492 $conf->apc = function_exists('apc_fetch');
 493 if ($conf->apc ) {
 494         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>\n";
 495 }
 496
 497 $conf->eaccel = function_exists( 'eaccelerator_get' );
 498 if ( $conf->eaccel ) {
 499         $conf->turck = 'eaccelerator';
 500         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 501 }
 502
 503 $conf->dba = function_exists( 'dba_open' );
 504
 505 if( !( $conf->turck || $conf->eaccel || $conf->apc || $conf->xcache ) ) {
 506         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 507                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>,
 508                 <a href="http://www.php.net/apc">APC</a> or <a href="http://trac.lighttpd.net/xcache/">XCache</a>;
 509                 cannot use these for object caching.</li>' );
 510 }
 511
 512 $conf->phpCliPath = false;
 513 $phpClilocations = array_merge(
 514         array(
 515                 "/usr/bin",
 516                 "/usr/local/bin",
 517                 "/opt/csw/bin",
 518                 "/usr/gnu/bin",
 519                 "/usr/sfw/bin" ),
 520         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 521 $phpClinames = array( "php", "php.exe" );
 522 foreach ($phpClilocations as $loc) {
 523         $exe = locate_executable($loc, $phpClinames);
 524         if ($exe !== false) {
 525                 $conf->phpCliPath= $exe;
 526                 break;
 527         }
 528 }
 529
 530 $conf->diff3 = false;
 531 $diff3locations = array_merge(
 532         array(
 533                 "/usr/bin",
 534                 "/usr/local/bin",
 535                 "/opt/csw/bin",
 536                 "/usr/gnu/bin",
 537                 "/usr/sfw/bin" ),
 538         explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
 539 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 540
 541 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 542 foreach ($diff3locations as $loc) {
 543         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 544         if ($exe !== false) {
 545                 $conf->diff3 = $exe;
 546                 break;
 547         }
 548 }
 549
 550 if ($conf->diff3)
 551         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 552 else
 553         print "<li>GNU diff3 not found.</li>";
 554
 555 $conf->ImageMagick = false;
 556 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 557 foreach( $imcheck as $dir ) {
 558         $im = "$dir/convert";
 559         if( @file_exists( $im ) ) {
 560                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 561                 $conf->ImageMagick = $im;
 562                 break;
 563         }
 564 }
 565
 566 $conf->HaveGD = function_exists( "imagejpeg" );
 567 if( $conf->HaveGD ) {
 568         print "<li>Found GD graphics library built-in";
 569         if( !$conf->ImageMagick ) {
 570                 print ", image thumbnailing will be enabled if you enable uploads";
 571         }
 572         print ".</li>\n";
 573 } else {
 574         if( !$conf->ImageMagick ) {
 575                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 576         }
 577 }
 578
 579 $conf->IP = dirname( dirname( __FILE__ ) );
 580 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 581
 582
 583 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 584 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 585 // to get the path to the current script... hopefully it's reliable. SIGH
 586 $path = ($_SERVER["PHP_SELF"] === '')
 587         ? $_SERVER["SCRIPT_NAME"]
 588         : $_SERVER["PHP_SELF"];
 589
 590 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 591 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 592
 593
 594
 595 // We may be installing from *.php5 extension file, if so, print message
 596 $conf->ScriptExtension = '.php';
 597 if (defined('MW_INSTALL_PHP5_EXT')) {
 598     $conf->ScriptExtension = '.php5';
 599     print "<li>Installing MediaWiki with <tt>php5</tt> file extensions</li>\n";
 600 } else {
 601     print "<li>Installing MediaWiki with <tt>php</tt> file extensions</li>\n";
 602 }
 603
 604
 605 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 606         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 607
 608         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 609         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 610                 ? 'root@localhost'
 611                 : $_SERVER["SERVER_ADMIN"];
 612         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 613         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 614         if ( !isset( $ourdb[$conf->DBtype] ) ) {
 615                 $conf->DBtype = $DefaultDBtype;
 616         }
 617
 618         $conf->DBserver = importPost( "DBserver", "localhost" );
 619         $conf->DBname = importPost( "DBname", "wikidb" );
 620         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 621         $conf->DBpassword = importPost( "DBpassword" );
 622         $conf->DBpassword2 = importPost( "DBpassword2" );
 623         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 624         $conf->SysopPass = importPost( "SysopPass" );
 625         $conf->SysopPass2 = importPost( "SysopPass2" );
 626         $conf->RootUser = importPost( "RootUser", "root" );
 627         $conf->RootPW = importPost( "RootPW", "" );
 628         $useRoot = importCheck( 'useroot', false );
 629         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 630         ## MySQL specific:
 631         $conf->DBprefix     = importPost( "DBprefix" );
 632         $conf->setSchema(
 633                 importPost( "DBschema", "mysql5-binary" ),
 634                 importPost( "DBengine", "InnoDB" ) );
 635
 636         ## Postgres specific:
 637         $conf->DBport      = importPost( "DBport",      "5432" );
 638         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 639         $conf->DBpgschema  = importPost( "DBpgschema",  "mediawiki" );
 640
 641         ## SQLite specific
 642         $conf->SQLiteDataDir = importPost( "SQLiteDataDir", "" );
 643
 644         ## MSSQL specific
 645         // We need a second field so it doesn't overwrite the MySQL one
 646         $conf->DBprefix2 = importPost( "DBprefix2" );
 647
 648         ## DB2 specific:
 649         // New variable in order to have a different default port number
 650         $conf->DBport_db2   = importPost( "DBport_db2",      "50000" );
 651         $conf->DBcataloged  = importPost( "DBcataloged",  "cataloged" );
 652         $conf->DBdb2schema  = importPost( "DBdb2schema",  "mediawiki" );
 653
 654         // Oracle specific
 655         $conf->DBprefix_ora     = importPost( "DBprefix_ora" );
 656         $conf->DBdefTS_ora     = importPost( "DBdefTS_ora", "USERS" );
 657         $conf->DBtempTS_ora     = importPost( "DBtempTS_ora", "TEMP" );
 658
 659         $conf->ShellLocale = getShellLocale( $conf->LanguageCode );
 660
 661 /* Check for validity */
 662 $errs = array();
 663
 664 if( preg_match( '/^$|^mediawiki$|#/i', $conf->Sitename ) ) {
 665         $errs["Sitename"] = "Must not be blank or \"MediaWiki\" and may not contain \"#\"";
 666 }
 667 if( $conf->DBuser == "" ) {
 668         $errs["DBuser"] = "Must not be blank";
 669 }
 670 if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 671         $errs["DBuser"] = "Username too long";
 672 }
 673 if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 674         $errs["DBpassword"] = "Must not be blank";
 675 }
 676 if( $conf->DBpassword != $conf->DBpassword2 ) {
 677         $errs["DBpassword2"] = "Passwords don't match!";
 678 }
 679 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 680         $errs["DBprefix"] = "Invalid table prefix";
 681 } else {
 682         untaint( $conf->DBprefix, TC_MYSQL );
 683 }
 684 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix_ora ) ) {
 685         $errs["DBprefix_ora"] = "Invalid table prefix";
 686 }
 687
 688 error_reporting( E_ALL | E_STRICT );
 689
 690 /**
 691  * Initialise $wgLang and $wgContLang to something so we can
 692  * call case-folding methods. Per Brion, this is English for
 693  * now, although we could be clever and initialise to the
 694  * user-selected language.
 695  */
 696 $wgContLang = Language::factory( 'en' );
 697 $wgLang = $wgContLang;
 698
 699 /**
 700  * We're messing about with users, so we need a stub
 701  * authentication plugin...
 702  */
 703 $wgAuth = new AuthPlugin();
 704
 705 /**
 706  * Validate the initial administrator account; username,
 707  * password checks, etc.
 708  */
 709 if( $conf->SysopName ) {
 710         # Check that the user can be created
 711         $u = User::newFromName( $conf->SysopName );
 712         if( $u instanceof User ) {
 713                 # Various password checks
 714                 if( $conf->SysopPass != '' ) {
 715                         if( $conf->SysopPass == $conf->SysopPass2 ) {
 716                                 if( !$u->isValidPassword( $conf->SysopPass ) ) {
 717                                         $errs['SysopPass'] = "Bad password";
 718                                 }
 719                         } else {
 720                                 $errs['SysopPass2'] = "Passwords don't match";
 721                         }
 722                 } else {
 723                         $errs['SysopPass'] = "Cannot be blank";
 724                 }
 725                 unset( $u );
 726         } else {
 727                 $errs['SysopName'] = "Bad username";
 728         }
 729 }
 730
 731 $conf->License = importRequest( "License", "none" );
 732 if( $conf->License == "gfdl1_2" ) {
 733         $conf->RightsUrl = "http://www.gnu.org/licenses/old-licenses/fdl-1.2.txt";
 734         $conf->RightsText = "GNU Free Documentation License 1.2";
 735         $conf->RightsCode = "gfdl1_2";
 736         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 737 } elseif( $conf->License == "gfdl1_3" ) {
 738         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 739         $conf->RightsText = "GNU Free Documentation License 1.3";
 740         $conf->RightsCode = "gfdl1_3";
 741         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 742 } elseif( $conf->License == "none" ) {
 743         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 744 } elseif( $conf->License == "pd" ) {
 745         $conf->RightsUrl = "http://creativecommons.org/licenses/publicdomain/";
 746         $conf->RightsText = "Public Domain";
 747         $conf->RightsCode = "pd";
 748         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/public-domain.png';
 749 } else {
 750         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 751         $conf->RightsText = importRequest( "RightsText", "" );
 752         $conf->RightsCode = importRequest( "RightsCode", "" );
 753         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 754 }
 755
 756 $conf->Shm = importRequest( "Shm", "none" );
 757 $conf->MCServers = importRequest( "MCServers" );
 758
 759 /* Test memcached servers */
 760
 761 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 762         $conf->MCServerArray = wfArrayMap( 'trim', explode( ',', $conf->MCServers ) );
 763         foreach ( $conf->MCServerArray as $server ) {
 764                 $error = testMemcachedServer( $server );
 765                 if ( $error ) {
 766                         $errs["MCServers"] = $error;
 767                         break;
 768                 }
 769         }
 770 } else if ( $conf->Shm == 'memcached' ) {
 771         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 772 }
 773
 774 /* default values for installation */
 775 $conf->Email     = importRequest("Email", "email_enabled");
 776 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 777 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 778 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 779
 780 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 781         do { /* So we can 'continue' to end prematurely */
 782                 $conf->Root = ($conf->RootPW != "");
 783
 784                 /* Load up the settings and get installin' */
 785                 $local = writeLocalSettings( $conf );
 786                 echo "<li style=\"list-style: none\">\n";
 787                 echo "<p><b>Generating configuration file...</b></p>\n";
 788                 echo "</li>\n";
 789
 790                 $wgCommandLineMode = false;
 791                 chdir( ".." );
 792                 $ok = eval( $local );
 793                 if( $ok === false ) {
 794                         dieout( "<p>Errors in generated configuration; " .
 795                                 "most likely due to a bug in the installer... " .
 796                                 "Config file was: </p>" .
 797                                 "<pre>" .
 798                                 htmlspecialchars( $local ) .
 799                                 "</pre>" );
 800                 }
 801                 $conf->DBtypename = '';
 802                 foreach (array_keys($ourdb) as $db) {
 803                         if ($conf->DBtype === $db)
 804                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 805                 }
 806                 if ( ! strlen($conf->DBtype)) {
 807                         $errs["DBpicktype"] = "Please choose a database type";
 808                         continue;
 809                 }
 810
 811                 if (! $conf->DBtypename) {
 812                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 813                         continue;
 814                 }
 815                 print "<li>Database type: " . htmlspecialchars( $conf->DBtypename ) . "</li>\n";
 816                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 817                 $wgDBtype = $conf->DBtype;
 818                 $wgDBadminuser = "root";
 819                 $wgDBadminpassword = $conf->RootPW;
 820
 821                 ## Mysql specific:
 822                 $wgDBprefix = $conf->DBprefix;
 823
 824                 ## Postgres specific:
 825                 $wgDBport      = $conf->DBport;
 826                 $wgDBts2schema = $conf->DBts2schema;
 827
 828                 if( $wgDBtype == 'postgres' ) {
 829                         $wgDBmwschema = $conf->DBpgschema;
 830                 } elseif ( $wgDBtype == 'ibm_db2' ) {
 831                         $wgDBmwschema = $conf->DBdb2schema;
 832                 }
 833
 834                 if( $conf->DBprefix2 != '' ) {
 835                         // For MSSQL
 836                         $wgDBprefix = $conf->DBprefix2;
 837                 } elseif( $conf->DBprefix_ora != '' ) {
 838                         // For Oracle
 839                         $wgDBprefix = $conf->DBprefix_ora;
 840                 }
 841
 842                 ## DB2 specific:
 843                 $wgDBcataloged = $conf->DBcataloged;
 844
 845                 $wgCommandLineMode = true;
 846                 if (! defined ( 'STDERR' ) )
 847                         define( 'STDERR', fopen("php://stderr", "wb"));
 848                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 849                 require_once( "$IP/includes/Setup.php" );
 850                 Language::getLocalisationCache()->disableBackend();
 851
 852                 chdir( "config" );
 853
 854                 $wgTitle = Title::newFromText( "Installation script" );
 855                 error_reporting( E_ALL | E_STRICT );
 856                 print "<li>Loading class: " . htmlspecialchars( $dbclass ) . "</li>\n";
 857                 if ( $conf->DBtype != 'sqlite' ) {
 858                         $dbc = new $dbclass;
 859                 }
 860
 861                 if( $conf->DBtype == 'mysql' ) {
 862                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 863                         if( $mysqlOldClient ) {
 864                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 865                                         using a MySQL 4.1 server and have problems connecting to the database,
 866                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 867                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 868                         }
 869                         $ok = true; # Let's be optimistic
 870
 871                         # Decide if we're going to use the superuser or the regular database user
 872                         $conf->Root = $useRoot;
 873                         if( $conf->Root ) {
 874                                 $db_user = $conf->RootUser;
 875                                 $db_pass = $conf->RootPW;
 876                         } else {
 877                                 $db_user = $wgDBuser;
 878                                 $db_pass = $wgDBpassword;
 879                         }
 880
 881                         # Attempt to connect
 882                         echo( "<li>Attempting to connect to database server as " . htmlspecialchars( $db_user ) . "..." );
 883                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 884
 885                         # Check the connection and respond to errors
 886                         if( $wgDatabase->isOpen() ) {
 887                                 # Seems OK
 888                                 $ok = true;
 889                                 $wgDBadminuser = $db_user;
 890                                 $wgDBadminpassword = $db_pass;
 891                                 echo( "success.</li>\n" );
 892                                 $wgDatabase->ignoreErrors( true );
 893                                 $myver = $wgDatabase->getServerVersion();
 894                         } else {
 895                                 # There were errors, report them and back out
 896                                 $ok = false;
 897                                 $errno = mysql_errno();
 898                                 $errtx = htmlspecialchars( mysql_error() );
 899                                 switch( $errno ) {
 900                                         case 1045:
 901                                         case 2000:
 902                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 903                                                 if( $conf->Root ) {
 904                                                         # The superuser details are wrong
 905                                                         $errs["RootUser"] = "Check username";
 906                                                         $errs["RootPW"] = "and password";
 907                                                 } else {
 908                                                         # The regular user details are wrong
 909                                                         $errs["DBuser"] = "Check username";
 910                                                         $errs["DBpassword"] = "and password";
 911                                                 }
 912                                                 break;
 913                                         case 2002:
 914                                         case 2003:
 915                                         default:
 916                                                 # General connection problem
 917                                                 echo( htmlspecialchars( "failed with error [$errno] $errtx." ) . "</li>\n" );
 918                                                 $errs["DBserver"] = "Connection failed";
 919                                                 break;
 920                                 } # switch
 921                         } #conn. att.
 922
 923                         if( !$ok ) { continue; }
 924                 }
 925                 else if( $conf->DBtype == 'ibm_db2' ) {
 926                         if( $useRoot ) {
 927                                 $db_user = $conf->RootUser;
 928                                 $db_pass = $conf->RootPW;
 929                         } else {
 930                                 $db_user = $wgDBuser;
 931                                 $db_pass = $wgDBpassword;
 932                         }
 933
 934                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
 935                                 "\" as \"" . htmlspecialchars( $db_user ) . "\"..." );
 936                         $wgDatabase = $dbc->newFromParams($wgDBserver, $db_user, $db_pass, $wgDBname, 1);
 937                         // enable extra debug messages
 938                         $dbc->setMode(DatabaseIbm_db2::INSTALL_MODE);
 939                         $wgDatabase->setMode(DatabaseIbm_db2::INSTALL_MODE);
 940
 941                         if (!$wgDatabase->isOpen()) {
 942                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 943                         } else {
 944                                 $myver = $wgDatabase->getServerVersion();
 945                         }
 946                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 947
 948                 } elseif ( $conf->DBtype == 'sqlite' ) {
 949                         if ("$wgSQLiteDataDir" == '') {
 950                                 $wgSQLiteDataDir = dirname($_SERVER['DOCUMENT_ROOT']).'/data';
 951                         }
 952                         echo "<li>Attempting to connect to SQLite database at \"" .
 953                                 htmlspecialchars( $wgSQLiteDataDir ) .  "\"";
 954                         if ( !is_dir( $wgSQLiteDataDir ) ) {
 955                                 if ( is_writable( dirname( $wgSQLiteDataDir ) ) ) {
 956                                         $ok = wfMkdirParents( $wgSQLiteDataDir, $wgSQLiteDataDirMode );
 957                                 } else {
 958                                         $ok = false;
 959                                 }
 960                                 if ( !$ok ) {
 961                                         echo ": cannot create data directory</li>";
 962                                         $errs['SQLiteDataDir'] = 'Enter a valid data directory';
 963                                         continue;
 964                                 }
 965                         }
 966                         if ( !is_writable( $wgSQLiteDataDir ) ) {
 967                                 echo ": data directory not writable</li>";
 968                                 $errs['SQLiteDataDir'] = 'Enter a writable data directory';
 969                                 continue;
 970                         }
 971                         $dataFile = "$wgSQLiteDataDir/$wgDBname.sqlite";
 972                         if ( file_exists( $dataFile ) && !is_writable( $dataFile ) ) {
 973                                 echo ": data file not writable</li>";
 974                                 $errs['SQLiteDataDir'] = "$wgDBname.sqlite is not writable";
 975                                 continue;
 976                         }
 977                         $wgDatabase = new DatabaseSqlite( false, false, false, $wgDBname, 1 );
 978                         if (!$wgDatabase->isOpen()) {
 979                                 print ": error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
 980                                 $errs['SQLiteDataDir'] = 'Could not connect to database';
 981                                 continue;
 982                         } else {
 983                                 $myver = $wgDatabase->getServerVersion();
 984                         }
 985                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 986                         echo "ok</li>\n";
 987                 } elseif ( $conf->DBtype == 'oracle' ) {
 988                         echo "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
 989                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
 990                         if (!$wgDatabase->isOpen()) {
 991                                 $ok = true;
 992                                 echo "<li>Connect failed.</li>";
 993                                 if ($useRoot) {
 994                                         if (ini_get('oci8.privileged_connect') === false) {
 995                                                 echo "<li>Privileged connect disabled, please set oci8.privileged_connect or run maintenance/ora/user.sql script manually prior to continuing.</li>";
 996                                                 $ok = false;
 997                                         } else {
 998                                                 $wgDBadminuser = $conf->RootUser;
 999                                                 $wgDBadminpassword = $conf->RootPW;
1000                                                 echo "<li>Attempting to create DB user.</li>";
1001                                                 $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBadminuser, $wgDBadminpassword, $wgDBname, 1, 64);
1002                                                 if ($wgDatabase->isOpen()) {
1003                                                         $wgDBOracleDefTS = $conf->DBdefTS_ora;
1004                                                         $wgDBOracleTempTS = $conf->DBtempTS_ora;
1005                                                         $wgDatabase->sourceFile( "../maintenance/ora/user.sql"  );
1006                                                 } else {
1007                                                         echo "<li>Invalid database superuser, please supply a valid superuser account.</li>";
1008                                                         echo "<li>ERR: ".print_r(oci_error(), true)."</li>";
1009                                                         $ok = false;
1010                                                 }
1011                                         }
1012                                 } else {
1013                                         echo "<li>Database superuser missing, please supply a valid superuser account.</li>";
1014                                         $ok = false;
1015                                 }
1016                                 if (!$ok) {
1017                                         $errs["RootUser"] = "Check username";
1018                                         $errs["RootPW"] = "and password";
1019                                 } else {
1020                                         echo "<li>Attempting to connect to database with new user \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
1021                                         $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
1022                                 }
1023                         }
1024                         if ($ok) {
1025                                 $myver = $wgDatabase->getServerVersion();
1026                         }
1027                 } else { # not mysql
1028                         error_reporting( E_ALL | E_STRICT );
1029                         $wgSuperUser = '';
1030                         ## Possible connect as a superuser
1031                         // Changed !mysql to postgres check since it seems to only apply to postgres
1032                         if( $useRoot && $conf->DBtype == 'postgres' ) {
1033                                 $wgDBsuperuser = $conf->RootUser;
1034                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"" .
1035                                         htmlspecialchars( $wgDBsuperuser ) . "\"..." );
1036                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
1037                                 if (!$wgDatabase->isOpen()) {
1038                                         print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1039                                         $errs["DBserver"] = "Could not connect to database as superuser";
1040                                         $errs["RootUser"] = "Check username";
1041                                         $errs["RootPW"] = "and password";
1042                                         continue;
1043                                 }
1044                                 $wgDatabase->initial_setup($conf->RootPW, 'postgres');
1045                         }
1046                         echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) .
1047                                 "\" as \"" . htmlspecialchars( $wgDBuser ) . "\"..." );
1048                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
1049                         if (!$wgDatabase->isOpen()) {
1050                                 print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
1051                                 $errs["DBserver"] = "Could not connect to database as user";
1052                                 $errs["DBuser"] = "Check username";
1053                                 $errs["DBpassword"] = "and password";
1054                                 continue;
1055                         } else {
1056                                 $myver = $wgDatabase->getServerVersion();
1057                         }
1058                         if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
1059                 }
1060
1061                 if ( !$wgDatabase->isOpen() ) {
1062                         $errs["DBserver"] = "Couldn't connect to database";
1063                         continue;
1064                 }
1065
1066                 print "<li>Connected to " . htmlspecialchars( "{$conf->DBtype} $myver" );
1067                 if ($conf->DBtype == 'mysql') {
1068                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
1069                                 print "</li>\n";
1070                                 dieout( "-- mysql 4.0.14 or later required. Aborting." );
1071                         }
1072                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
1073                         if( $mysqlNewAuth && $mysqlOldClient ) {
1074                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
1075                                         to old client libraries; if you have trouble with authentication, see
1076                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
1077                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
1078                         }
1079                         if( $wgDBmysql5 ) {
1080                                 if( $mysqlNewAuth ) {
1081                                         print "; enabling MySQL 4.1/5.0 charset mode";
1082                                 } else {
1083                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
1084                                                 but older version detected; will likely fail.</b>";
1085                                 }
1086                         }
1087                         print "</li>\n";
1088
1089                         @$sel = $wgDatabase->selectDB( $wgDBname );
1090                         if( $sel ) {
1091                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
1092                         } else {
1093                                 $err = mysql_errno();
1094                                 $databaseSafe = htmlspecialchars( $wgDBname );
1095                                 if( $err == 1102 /* Invalid database name */ ) {
1096                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
1097                                         continue;
1098                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
1099                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
1100                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
1101                                         continue;
1102                                 }
1103                                 print "<li>Attempting to create database...</li>";
1104                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
1105                                 if( !$res ) {
1106                                         print "<li>Couldn't create database <tt>" .
1107                                                 htmlspecialchars( $wgDBname ) .
1108                                                 "</tt>; try with root access or check your username/pass.</li>\n";
1109                                         $errs["RootPW"] = "<- Enter";
1110                                         continue;
1111                                 }
1112                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
1113                         }
1114                         $wgDatabase->selectDB( $wgDBname );
1115                 }
1116                 else if ($conf->DBtype == 'postgres') {
1117                         if( version_compare( $myver, "8.0" ) < 0 ) {
1118                                 dieout( "<b>Postgres 8.0 or later is required</b>. Aborting." );
1119                         }
1120                 }
1121
1122                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
1123                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
1124
1125                         if ( $conf->DBtype == 'mysql') {
1126                                 # Determine existing default character set
1127                                 if ( $wgDatabase->tableExists( "revision" ) ) {
1128                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
1129                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
1130                                         $row = $wgDatabase->fetchObject( $res );
1131                                         if ( !$row ) {
1132                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
1133                                                 $existingSchema = false;
1134                                                 $existingEngine = false;
1135                                         } else {
1136                                                 if ( preg_match( '/^latin1/', $row->Collation ) ) {
1137                                                         $existingSchema = 'mysql4';
1138                                                 } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
1139                                                         $existingSchema = 'mysql5';
1140                                                 } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
1141                                                         $existingSchema = 'mysql5-binary';
1142                                                 } else {
1143                                                         $existingSchema = false;
1144                                                         echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
1145                                                 }
1146                                                 if ( isset( $row->Engine ) ) {
1147                                                         $existingEngine = $row->Engine;
1148                                                 } else {
1149                                                         $existingEngine = $row->Type;
1150                                                 }
1151                                         }
1152                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
1153                                                 $encExisting = htmlspecialchars( $existingSchema );
1154                                                 $encRequested = htmlspecialchars( $conf->DBschema );
1155                                                 print "<li><strong>Warning:</strong> you requested the $encRequested schema, " .
1156                                                         "but the existing database has the $encExisting schema. This upgrade script ".
1157                                                         "can't convert it, so it will remain $encExisting.</li>\n";
1158                                                 $conf->setSchema( $existingSchema, $conf->DBengine );
1159                                         }
1160                                         if ( $existingEngine && $existingEngine != $conf->DBengine ) {
1161                                                 $encExisting = htmlspecialchars( $existingEngine );
1162                                                 $encRequested = htmlspecialchars( $conf->DBengine );
1163                                                 print "<li><strong>Warning:</strong> you requested the $encRequested storage " .
1164                                                         "engine, but the existing database uses the $encExisting engine. This upgrade " .
1165                                                         "script can't convert it, so it will remain $encExisting.</li>\n";
1166                                                 $conf->setSchema( $conf->DBschema, $existingEngine );
1167                                         }
1168                                 }
1169
1170                                 # Create user if required
1171                                 if ( $conf->Root ) {
1172                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1173                                         if ( $conn->isOpen() ) {
1174                                                 print "<li>DB user account ok</li>\n";
1175                                                 $conn->close();
1176                                         } else {
1177                                                 print "<li>Granting user permissions...";
1178                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
1179                                                         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>";
1180                                                 }
1181                                                 print "</li>\n";
1182                                                 $wgDatabase->sourceFile( "../maintenance/users.sql" );
1183                                         }
1184                                 }
1185                         }
1186                         print "</ul><pre>\n";
1187                         chdir( ".." );
1188                         flush();
1189                         do_all_updates();
1190                         chdir( "config" );
1191                         print "</pre>\n";
1192                         print "<ul><li>Finished update checks.</li>\n";
1193                 // if tables don't yet exist
1194                 } else {
1195                         # Determine available storage engines if possible
1196                         if ( $conf->DBtype == 'mysql' && version_compare( $myver, "4.1.2", "ge" ) ) {
1197                                 $res = $wgDatabase->query( 'SHOW ENGINES' );
1198                                 $found = false;
1199                                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
1200                                         if ( $row->Engine == $conf->DBengine && ( $row->Support == 'YES' || $row->Support == 'DEFAULT' ) ) {
1201                                                 $found = true;
1202                                                 break;
1203                                         }
1204                                 }
1205                                 $wgDatabase->freeResult( $res );
1206                                 if ( !$found && $conf->DBengine != 'MyISAM' ) {
1207                                         echo "<li><strong>Warning:</strong> " . htmlspecialchars( $conf->DBengine ) .
1208                                                 " storage engine not available, " .
1209                                                 "using MyISAM instead</li>\n";
1210                                         $conf->setSchema( $conf->DBschema, 'MyISAM' );
1211                                 }
1212                         }
1213
1214                         # FIXME: Check for errors
1215                         print "<li>Creating tables...";
1216                         if ($conf->DBtype == 'mysql') {
1217                                 $wgDatabase->sourceFile( "../maintenance/tables.sql" );
1218                                 $wgDatabase->sourceFile( "../maintenance/interwiki.sql" );
1219                         } elseif (is_callable(array($wgDatabase, 'setup_database'))) {
1220                                 $wgDatabase->setup_database();
1221                         }
1222                         else {
1223                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
1224                                 continue;
1225                         }
1226
1227                         print " done.</li>\n";
1228
1229
1230                         if ($conf->DBtype == 'ibm_db2') {
1231                                 // Now that table creation is done, make sure everything is committed
1232                                 // Do this before doing inserts through API
1233                                 if ($wgDatabase->lastError()) {
1234                                         print "<li>Errors encountered during table creation -- rolled back</li>\n";
1235                                         $wgDatabase->rollback();
1236                                 }
1237                                 else {
1238                                         print "<li>MediaWiki tables successfully created</li>\n";
1239                                         $wgDatabase->commit();
1240                                 }
1241                         }
1242
1243                         print "<li>Initializing statistics...</li>\n";
1244                         $wgDatabase->insert( 'site_stats',
1245                                 array ( 'ss_row_id'        => 1,
1246                                                 'ss_total_views'   => 0,
1247                                                 'ss_total_edits'   => 1, # Main page first edit
1248                                                 'ss_good_articles' => 0, # Main page is not a good article - no internal link
1249                                                 'ss_total_pages'   => 1, # Main page
1250                                                 'ss_users'         => $conf->SysopName ? 1 : 0, # Sysop account, if created
1251                                                 'ss_admins'        => $conf->SysopName ? 1 : 0, # Sysop account, if created
1252                                                 'ss_images'        => 0 ) );
1253
1254                         # Set up the "regular user" account *if we can, and if we need to*
1255                         if( $conf->Root and $conf->DBtype == 'mysql') {
1256                                 # See if we need to
1257                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
1258                                 if( $wgDatabase2->isOpen() ) {
1259                                         # Nope, just close the test connection and continue
1260                                         $wgDatabase2->close();
1261                                         echo( "<li>User " . htmlspecialchars( $wgDBuser ) . " exists. Skipping grants.</li>\n" );
1262                                 } else {
1263                                         # Yes, so run the grants
1264                                         echo( "<li>" . htmlspecialchars( "Granting user permissions to $wgDBuser on $wgDBname..." ) );
1265                                         $wgDatabase->sourceFile( "../maintenance/users.sql" );
1266                                         echo( "success.</li>\n" );
1267                                 }
1268                         }
1269
1270                         if( $conf->SysopName ) {
1271                                 $u = User::newFromName( $conf->getSysopName() );
1272                                 if ( !$u ) {
1273                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
1274                                 }
1275                                 else if ( 0 == $u->idForName() ) {
1276                                         $u->addToDatabase();
1277                                         $u->setPassword( $conf->getSysopPass() );
1278                                         $u->saveSettings();
1279
1280                                         $u->addGroup( "sysop" );
1281                                         $u->addGroup( "bureaucrat" );
1282
1283                                         print "<li>Created sysop account <tt>" .
1284                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
1285                                 } else {
1286                                         print "<li>Could not create user - already exists!</li>\n";
1287                                 }
1288                         } else {
1289                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
1290                         }
1291
1292                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
1293                         $article = new Article( $titleobj );
1294                         $newid = $article->insertOn( $wgDatabase );
1295                         $revision = new Revision( array(
1296                                 'page'      => $newid,
1297                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
1298                                 'comment'   => '',
1299                                 'user'      => 0,
1300                                 'user_text' => 'MediaWiki default',
1301                                 ) );
1302                         $revid = $revision->insertOn( $wgDatabase );
1303                         $article->updateRevisionOn( $wgDatabase, $revision );
1304                 }
1305
1306                 /* Write out the config file now that all is well */
1307                 print "<li style=\"list-style: none\">\n";
1308                 print "<p>Creating LocalSettings.php...</p>\n\n";
1309                 $localSettings = "<" . "?php$endl$local";
1310                 // Fix up a common line-ending problem (due to CVS on Windows)
1311                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
1312                 $f = fopen( "LocalSettings.php", 'xt' );
1313
1314                 if( $f == false ) {
1315                         print( "</li>\n" );
1316                         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" .
1317                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
1318                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
1319                 }
1320                 if(fwrite( $f, $localSettings ) ) {
1321                         fclose( $f );
1322                         print "<hr/>\n";
1323                         writeSuccessMessage();
1324                         print "</li>\n";
1325                 } else {
1326                         fclose( $f );
1327                         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" );
1328                 }
1329
1330         } while( false );
1331 }
1332
1333 print "</ul>\n";
1334 $mainListOpened = false;
1335
1336 if( count( $errs ) ) {
1337         /* Display options form */
1338
1339         if( $conf->posted ) {
1340                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1341         }
1342 ?>
1343
1344 <form action="<?php echo defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php'; ?>" name="config" method="post">
1345
1346 <h2>Site config</h2>
1347
1348 <div class="config-section">
1349         <div class="config-input">
1350                 <?php aField( $conf, "Sitename", "Wiki name:" ); ?>
1351         </div>
1352         <p class="config-desc">
1353                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1354                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1355         </p>
1356         <div class="config-input"><?php aField( $conf, "EmergencyContact", "Contact e-mail:" ); ?></div>
1357         <p class="config-desc">
1358                 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.
1359         </p>
1360
1361         <div class="config-input">
1362                 <label class='column' for="LanguageCode">Language:</label>
1363                 <select id="LanguageCode" name="LanguageCode"><?php
1364                         $list = getLanguageList();
1365                         foreach( $list as $code => $name ) {
1366                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1367                                 $encCode = htmlspecialchars( $code );
1368                                 $encName = htmlspecialchars( $name );
1369                                 echo "\n\t\t<option value=\"$encCode\" $sel>$encName</option>";
1370                         }
1371                         echo "\n";
1372                 ?>
1373                 </select>
1374         </div>
1375         <p class="config-desc">
1376                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1377         </p>
1378
1379         <div class="config-input">
1380                 <label class='column'>Copyright/license:</label>
1381
1382                 <ul class="plain">
1383                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1384                 <li><?php aField( $conf, "License", "Public Domain", "radio", "pd" ); ?></li>
1385                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2", "radio", "gfdl1_2" ); ?></li>
1386                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.3", "radio", "gfdl1_3" ); ?></li>
1387                 <li><?php
1388                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1389                         $partner = "MediaWiki";
1390    $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1391                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/$script?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1392                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1393                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1394                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1395                         if( $conf->License == "cc" ) { ?>
1396                         <ul>
1397                         <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1398                         <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1399                         <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1400                         <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1401                         </ul>
1402                         <?php } ?>
1403                         </li>
1404                 </ul>
1405         </div>
1406         <p class="config-desc">
1407                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1408         </p>
1409
1410
1411         <div class="config-input">
1412                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1413         </div>
1414         <div class="config-input">
1415                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1416         </div>
1417         <div class="config-input">
1418                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1419         </div>
1420         <p class="config-desc">
1421                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1422                 A new account will be added only when creating a new wiki database.
1423                 <br /><br />
1424                 The password cannot be the same as the username.
1425         </p>
1426
1427         <div class="config-input">
1428                 <label class='column'>Object caching:</label>
1429
1430                 <ul class="plain">
1431                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1432                 <?php
1433                         if ( $conf->turck ) {
1434                                 echo "<li>";
1435                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1436                                 echo "</li>\n";
1437                         }
1438                         if( $conf->xcache ) {
1439                                 echo "<li>";
1440                                 aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
1441                                 echo "</li>\n";
1442                         }
1443                         if ( $conf->apc ) {
1444                                 echo "<li>";
1445                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1446                                 echo "</li>\n";
1447                         }
1448                         if ( $conf->eaccel ) {
1449                                 echo "<li>";
1450                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1451                                 echo "</li>\n";
1452                         }
1453                         if ( $conf->dba ) {
1454                                 echo "<li>";
1455                                 aField( $conf, "Shm", "DBA (not recommended)", "radio", "dba" );
1456                                 echo "</li>";
1457                         }
1458                 ?>
1459                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1460                 </ul>
1461                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1462         </div>
1463         <p class="config-desc">
1464                 An object caching system such as memcached will provide a significant performance boost,
1465                 but needs to be installed. Provide the server addresses and ports in a comma-separated list.
1466                 <br /><br />
1467                 MediaWiki can also detect and support eAccelerator, Turck MMCache, APC, and XCache, but
1468                 these should not be used if the wiki will be running on multiple application servers.
1469                 <br/><br/>
1470                 DBA (Berkeley-style DB) is generally slower than using no cache at all, and is only
1471                 recommended for testing.
1472         </p>
1473 </div>
1474
1475 <h2>E-mail, e-mail notification and authentication setup</h2>
1476
1477 <div class="config-section">
1478         <div class="config-input">
1479                 <label class='column'>E-mail features (global):</label>
1480                 <ul class="plain">
1481                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1482                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1483                 </ul>
1484         </div>
1485         <p class="config-desc">
1486                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1487                 if sending mail doesn't work on your server.
1488         </p>
1489
1490         <div class="config-input">
1491                 <label class='column'>User-to-user e-mail:</label>
1492                 <ul class="plain">
1493                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1494                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1495                 </ul>
1496         </div>
1497         <p class="config-desc">
1498                 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.
1499         </p>
1500         <div class="config-input">
1501                 <label class='column'>E-mail notification about changes:</label>
1502                 <ul class="plain">
1503                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1504                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1505                 <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>
1506                 </ul>
1507         </div>
1508         <div class="config-desc">
1509                 <p>
1510                 For this feature to work, an e-mail address must be present for the user account, and the notification
1511                 options in the user's preferences must be enabled. Also note the
1512                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1513
1514                 <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>
1515         </div>
1516
1517         <div class="config-input">
1518                 <label class='column'>E-mail address authentication:</label>
1519                 <ul class="plain">
1520                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1521                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1522                 </ul>
1523         </div>
1524         <div class="config-desc">
1525                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1526                 change notification mails. Setting this option is <b>recommended</b> for public wikis because of potential abuse of the e-mail features above.</p>
1527         </div>
1528
1529 </div>
1530
1531 <h2>Database config</h2>
1532
1533 <div class="config-section">
1534 <div class="config-input">
1535         <label class='column'>Database type:</label>
1536 <?php
1537         if (isset($errs['DBpicktype'])) {
1538                 print "\t<span class='error'>" . htmlspecialchars( $errs['DBpicktype'] ) . "</span>\n";
1539         }
1540 ?>
1541         <ul class='plain'><?php
1542                 database_picker($conf);
1543         ?></ul>
1544         </div>
1545
1546         <div class="config-input" style="clear:left">
1547         <?php aField( $conf, "DBserver", "Database host:" ); ?>
1548         </div>
1549         <p class="config-desc">
1550                 If your database server isn't on your web server, enter the name or IP address here.
1551         </p>
1552
1553         <div class="config-input"><?php aField( $conf, "DBname", "Database name:" ); ?></div>
1554         <div class="config-input"><?php aField( $conf, "DBuser", "DB username:" ); ?></div>
1555         <div class="config-input"><?php aField( $conf, "DBpassword", "DB password:", "password" ); ?></div>
1556         <div class="config-input"><?php aField( $conf, "DBpassword2", "DB password confirm:", "password" ); ?></div>
1557         <p class="config-desc">
1558                 If you only have a single user account and database available,
1559                 enter those here. If you have database root access (see below)
1560                 you can specify new accounts/databases to be created. This account
1561                 will not be created if it pre-exists. If this is the case, ensure that it
1562                 has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1563         </p>
1564
1565         <div class="config-input">
1566                 <label class="column">Superuser account:</label>
1567                 <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?> />
1568                 &nbsp;<label for="useroot">Use superuser account</label>
1569         </div>
1570         <div class="config-input"><?php aField( $conf, "RootUser", "Superuser name:", "text" ); ?></div>
1571         <div class="config-input"><?php aField( $conf, "RootPW", "Superuser password:", "password" ); ?></div>
1572
1573         <p class="config-desc">
1574                 If the database user specified above does not exist, or does not have access to create
1575                 the database (if needed) or tables within it, please check the box and provide details
1576                 of a superuser account, such as <strong>root</strong>, which does.
1577         </p>
1578
1579         <?php database_switcher('mysql'); ?>
1580         <div class="config-input"><?php aField( $conf, "DBprefix", "Database table prefix:" ); ?></div>
1581         <div class="config-desc">
1582                 <p>If you need to share one database between multiple wikis, or
1583                 between MediaWiki and another web application, you may choose to
1584                 add a prefix to all the table names to avoid conflicts.</p>
1585
1586                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1587         </div>
1588
1589         <div class="config-input"><label class="column">Storage Engine</label>
1590                 <div>Select one:</div>
1591                 <ul class="plain">
1592                 <li><?php aField( $conf, "DBengine", "InnoDB", "radio", "InnoDB" ); ?></li>
1593                 <li><?php aField( $conf, "DBengine", "MyISAM", "radio", "MyISAM" ); ?></li>
1594                 </ul>
1595         </div>
1596         <p class="config-desc">
1597                 InnoDB is best for public web installations, since it has good concurrency
1598                 support. MyISAM may be faster in single-user installations. MyISAM databases
1599                 tend to get corrupted more often than InnoDB databases.
1600         </p>
1601         <div class="config-input"><label class="column">Database character set</label>
1602                 <div>Select one:</div>
1603                 <ul class="plain">
1604                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1605                 <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1606                 <li><?php aField( $conf, "DBschema", "MySQL 4.0 backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1607                 </ul>
1608         </div>
1609         <p class="config-desc">
1610                 This option is ignored on upgrade, the same character set will be kept.
1611                 <br/><br/>
1612                 <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!.
1613                 <br/><br/>
1614                 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>.
1615         </p>
1616         </fieldset>
1617
1618         <?php database_switcher('postgres'); ?>
1619         <div class="config-input"><?php aField( $conf, "DBport", "Database port:" ); ?></div>
1620         <div class="config-input"><?php aField( $conf, "DBpgschema", "Schema for mediawiki:" ); ?></div>
1621         <div class="config-input"><?php aField( $conf, "DBts2schema", "Schema for tsearch2:" ); ?></div>
1622         <div class="config-desc">
1623                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1624                 so it is recommended that you create a new user. The above schemas are generally correct:
1625         only change them if you are sure you need to.</p>
1626         </div>
1627         </fieldset>
1628
1629         <?php database_switcher('sqlite'); ?>
1630         <div class="config-desc">
1631                 <b>NOTE:</b> SQLite only uses the <i>Database name</i> setting above, the user, password and root settings are ignored.
1632         </div>
1633         <div class="config-input"><?php
1634                 aField( $conf, "SQLiteDataDir", "SQLite data directory:" );
1635         ?></div>
1636         <div class="config-desc">
1637                 <p>SQLite stores table data into files in the filesystem.
1638                 If you do not provide an explicit path, a "data" directory in
1639                 the parent of your document root will be used.</p>
1640
1641                 <p>This directory must exist and be writable by the web server.</p>
1642         </div>
1643         </fieldset>
1644
1645         <?php database_switcher('mssql'); ?>
1646         <div class="config-input"><?php
1647                 aField( $conf, "DBprefix2", "Database table prefix:" );
1648         ?></div>
1649         <div class="config-desc">
1650                 <p>If you need to share one database between multiple wikis, or
1651                 between MediaWiki and another web application, you may choose to
1652                 add a prefix to all the table names to avoid conflicts.</p>
1653
1654                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1655         </div>
1656         </fieldset>
1657
1658         <?php database_switcher('ibm_db2'); ?>
1659         <div class="config-input"><?php
1660                 aField( $conf, "DBport_db2", "Database port:" );
1661         ?></div>
1662         <div class="config-input"><?php
1663                 aField( $conf, "DBdb2schema", "Schema for mediawiki:" );
1664         ?></div>
1665         <div>Select one:</div>
1666                 <ul class="plain">
1667                 <li><?php aField( $conf, "DBcataloged", "Cataloged (DB2 installed locally)", "radio", "cataloged" ); ?></li>
1668                 <li><?php aField( $conf, "DBcataloged", "Uncataloged (remote DB2 through ODBC)", "radio", "uncataloged" ); ?></li>
1669                 </ul>
1670         <div class="config-desc">
1671                 <p>If you need to share one database between multiple wikis, or
1672                 between MediaWiki and another web application, you may specify
1673                 a different schema to avoid conflicts.</p>
1674         </div>
1675         </fieldset>
1676
1677         <?php database_switcher('oracle'); ?>
1678         <div class="config-input"><?php aField( $conf, "DBprefix_ora", "Database table prefix:" ); ?></div>
1679         <div class="config-desc">
1680                 <p>If you need to share one database between multiple wikis, or
1681                 between MediaWiki and another web application, you may choose to
1682                 add a prefix to all the table names to avoid conflicts.</p>
1683
1684                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1685         </div>
1686         <div class="config-input"><?php aField( $conf, "DBdefTS_ora", "Default tablespace:" ); ?></div>
1687         <div class="config-input"><?php aField( $conf, "DBtempTS_ora", "Temporary tablespace:" ); ?></div>
1688         </fieldset>
1689
1690         <div class="config-input" style="padding:2em 0 3em">
1691                 <label class='column'>&nbsp;</label>
1692                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1693         </div>
1694 </div>
1695 </form>
1696 <script type="text/javascript">
1697 window.onload = toggleDBarea( <?php echo Xml::encodeJsVar( $conf->DBtype ); ?>,
1698 <?php
1699         ## If they passed in a root user name, don't populate it on page load
1700         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1701 ?>);
1702 </script>
1703 <?php
1704 }
1705
1706 /* -------------------------------------------------------------------------------------- */
1707 function writeSuccessMessage() {
1708  $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
1709         if ( wfIniGetBool( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1710                 echo <<<EOT
1711 <div class="success-box">
1712 <p>Installation successful!</p>
1713 <p>To complete the installation, please do the following:
1714 <ol>
1715         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1716         <li>Upload it to the parent directory</li>
1717         <li>Delete config/LocalSettings.php</li>
1718         <li>Start using <a href='../$script'>your wiki</a>!
1719 </ol>
1720 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1721 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1722 which means that anyone on the same server can read your database password! Downloading
1723 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1724 </div>
1725 EOT;
1726         } else {
1727                 echo <<<EOT
1728 <div class="success-box">
1729 <p>
1730 <span class="success-message">Installation successful!</span>
1731 Move the <tt>config/LocalSettings.php</tt> file to the parent directory, then follow
1732 <a href="../$script"> this link</a> to your wiki.</p>
1733 <p>You should change file permissions for <tt>LocalSettings.php</tt> as required to
1734 prevent other users on the server reading passwords and altering configuration data.</p>
1735 </div>
1736 EOT;
1737         }
1738 }
1739
1740
1741 function escapePhpString( $string ) {
1742         if ( is_array( $string ) || is_object( $string ) ) {
1743                 return false;
1744         }
1745         return strtr( $string,
1746                 array(
1747                         "\n" => "\\n",
1748                         "\r" => "\\r",
1749                         "\t" => "\\t",
1750                         "\\" => "\\\\",
1751                         "\$" => "\\\$",
1752                         "\"" => "\\\""
1753                 ));
1754 }
1755
1756 function writeLocalSettings( $conf ) {
1757         $conf->PasswordSender = $conf->EmergencyContact;
1758         $magic = ($conf->ImageMagick ? "" : "# ");
1759         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1760         $rights = ($conf->RightsUrl) ? "" : "# ";
1761         $hashedUploads = $conf->safeMode ? '' : '# ';
1762
1763         if ( $conf->ShellLocale ) {
1764                 $locale = '';
1765         } else {
1766                 $locale = '# ';
1767                 $conf->ShellLocale = 'en_US.UTF-8';
1768         }
1769
1770         switch ( $conf->Shm ) {
1771                 case 'memcached':
1772                         $cacheType = 'CACHE_MEMCACHED';
1773                         $mcservers = var_export( $conf->MCServerArray, true );
1774                         break;
1775                 case 'turck':
1776                 case 'xcache':
1777                 case 'apc':
1778                 case 'eaccel':
1779                         $cacheType = 'CACHE_ACCEL';
1780                         $mcservers = 'array()';
1781                         break;
1782                 case 'dba':
1783                         $cacheType = 'CACHE_DBA';
1784                         $mcservers = 'array()';
1785                         break;
1786                 default:
1787                         $cacheType = 'CACHE_NONE';
1788                         $mcservers = 'array()';
1789         }
1790
1791         if ( $conf->Email == 'email_enabled' ) {
1792                 $enableemail = 'true';
1793                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1794                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1795                 switch ( $conf->Enotif ) {
1796                         case 'enotif_usertalk':
1797                                 $enotifusertalk = 'true';
1798                                 $enotifwatchlist = 'false';
1799                                 break;
1800                         case 'enotif_allpages':
1801                                 $enotifusertalk = 'true';
1802                                 $enotifwatchlist = 'true';
1803                                 break;
1804                         default:
1805                                 $enotifusertalk = 'false';
1806                                 $enotifwatchlist = 'false';
1807                 }
1808         } else {
1809                 $enableuseremail = 'false';
1810                 $enableemail = 'false';
1811                 $eauthent = 'false';
1812                 $enotifusertalk = 'false';
1813                 $enotifwatchlist = 'false';
1814         }
1815
1816         $file = @fopen( "/dev/urandom", "r" );
1817         if ( $file ) {
1818                 $secretKey = bin2hex( fread( $file, 32 ) );
1819                 fclose( $file );
1820         } else {
1821                 $secretKey = "";
1822                 for ( $i=0; $i<8; $i++ ) {
1823                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1824                 }
1825                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1826         }
1827
1828         # Add slashes to strings for double quoting
1829         $slconf = wfArrayMap( "escapePhpString", get_object_vars( $conf ) );
1830         if( $conf->License == 'gfdl1_2' || $conf->License == 'pd' || $conf->License == 'gfdl1_3' ) {
1831                 # Needs literal string interpolation for the current style path
1832                 $slconf['RightsIcon'] = $conf->RightsIcon;
1833         }
1834
1835         if( $conf->DBtype == 'mysql' ) {
1836                 $dbsettings =
1837 "# MySQL specific settings
1838 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1839
1840 # MySQL table options to use during installation or update
1841 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1842
1843 # Experimental charset support for MySQL 4.1/5.0.
1844 \$wgDBmysql5 = {$conf->DBmysql5};";
1845         } elseif( $conf->DBtype == 'postgres' ) {
1846                 $dbsettings =
1847 "# Postgres specific settings
1848 \$wgDBport           = \"{$slconf['DBport']}\";
1849 \$wgDBmwschema       = \"{$slconf['DBpgschema']}\";
1850 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";";
1851         } elseif( $conf->DBtype == 'sqlite' ) {
1852                 $dbsettings =
1853 "# SQLite-specific settings
1854 \$wgSQLiteDataDir    = \"{$slconf['SQLiteDataDir']}\";";
1855         } elseif( $conf->DBtype == 'mssql' ) {
1856                 $dbsettings =
1857 "# MSSQL specific settings
1858 \$wgDBprefix         = \"{$slconf['DBprefix2']}\";";
1859         } elseif( $conf->DBtype == 'ibm_db2' ) {
1860                 $dbsettings =
1861 "# DB2 specific settings
1862 \$wgDBport_db2       = \"{$slconf['DBport_db2']}\";
1863 \$wgDBmwschema       = \"{$slconf['DBdb2schema']}\";
1864 \$wgDBcataloged      = \"{$slconf['DBcataloged']}\";";
1865         } elseif( $conf->DBtype == 'oracle' ) {
1866                 $dbsettings =
1867 "# Oracle specific settings
1868 \$wgDBprefix         = \"{$slconf['DBprefix']}\";";
1869         } else {
1870                 // ummm... :D
1871                 $dbsettings = '';
1872         }
1873
1874
1875         $localsettings = "
1876 # This file was automatically generated by the MediaWiki installer.
1877 # If you make manual changes, please keep track in case you need to
1878 # recreate them later.
1879 #
1880 # See includes/DefaultSettings.php for all configurable settings
1881 # and their default values, but don't forget to make changes in _this_
1882 # file, not there.
1883 #
1884 # Further documentation for configuration settings may be found at:
1885 # http://www.mediawiki.org/wiki/Manual:Configuration_settings
1886
1887 # If you customize your file layout, set \$IP to the directory that contains
1888 # the other MediaWiki files. It will be used as a base to locate files.
1889 if( defined( 'MW_INSTALL_PATH' ) ) {
1890         \$IP = MW_INSTALL_PATH;
1891 } else {
1892         \$IP = dirname( __FILE__ );
1893 }
1894
1895 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1896 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1897
1898 require_once( \"\$IP/includes/DefaultSettings.php\" );
1899
1900 if ( \$wgCommandLineMode ) {
1901         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1902                 die( \"This script must be run from the command line\\n\" );
1903         }
1904 }
1905 ## Uncomment this to disable output compression
1906 # \$wgDisableOutputCompression = true;
1907
1908 \$wgSitename         = \"{$slconf['Sitename']}\";
1909
1910 ## The URL base path to the directory containing the wiki;
1911 ## defaults for all runtime URL paths are based off of this.
1912 ## For more information on customizing the URLs please see:
1913 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1914 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1915 \$wgScriptExtension  = \"{$slconf['ScriptExtension']}\";
1916
1917 ## UPO means: this is also a user preference option
1918
1919 \$wgEnableEmail      = $enableemail;
1920 \$wgEnableUserEmail  = $enableuseremail; # UPO
1921
1922 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1923 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1924
1925 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1926 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1927 \$wgEmailAuthentication = $eauthent;
1928
1929 ## Database settings
1930 \$wgDBtype           = \"{$slconf['DBtype']}\";
1931 \$wgDBserver         = \"{$slconf['DBserver']}\";
1932 \$wgDBname           = \"{$slconf['DBname']}\";
1933 \$wgDBuser           = \"{$slconf['DBuser']}\";
1934 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1935
1936 {$dbsettings}
1937
1938 ## Shared memory settings
1939 \$wgMainCacheType = $cacheType;
1940 \$wgMemCachedServers = $mcservers;
1941
1942 ## To enable image uploads, make sure the 'images' directory
1943 ## is writable, then set this to true:
1944 \$wgEnableUploads       = false;
1945 {$magic}\$wgUseImageMagick = true;
1946 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1947
1948 ## If you use ImageMagick (or any other shell command) on a
1949 ## Linux server, this will need to be set to the name of an
1950 ## available UTF-8 locale
1951 {$locale}\$wgShellLocale = \"{$slconf['ShellLocale']}\";
1952
1953 ## If you want to use image uploads under safe mode,
1954 ## create the directories images/archive, images/thumb and
1955 ## images/temp, and make them all writable. Then uncomment
1956 ## this, if it's not already uncommented:
1957 {$hashedUploads}\$wgHashedUploadDirectory = false;
1958
1959 ## If you have the appropriate support software installed
1960 ## you can enable inline LaTeX equations:
1961 \$wgUseTeX           = false;
1962
1963 ## Set \$wgCacheDirectory to a writable directory on the web server
1964 ## to make your wiki go slightly faster. The directory should not
1965 ## be publically accessible from the web.
1966 #\$wgCacheDirectory = \"\$IP/cache\";
1967
1968 \$wgLocalInterwiki   = strtolower( \$wgSitename );
1969
1970 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1971
1972 \$wgSecretKey = \"$secretKey\";
1973
1974 ## Default skin: you can change the default skin. Use the internal symbolic
1975 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1976 \$wgDefaultSkin = 'monobook';
1977
1978 ## For attaching licensing metadata to pages, and displaying an
1979 ## appropriate copyright notice / icon. GNU Free Documentation
1980 ## License and Creative Commons licenses are supported so far.
1981 {$rights}\$wgEnableCreativeCommonsRdf = true;
1982 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1983 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1984 \$wgRightsText = \"{$slconf['RightsText']}\";
1985 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1986 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1987
1988 \$wgDiff3 = \"{$slconf['diff3']}\";
1989
1990 \$wgPhpCliPath = \"{$slconf['phpCliPath']}\";
1991
1992 # When you make changes to this configuration file, this will make
1993 # sure that cached pages are cleared.
1994 \$wgCacheEpoch = max( \$wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
1995 "; ## End of setting the $localsettings string
1996
1997         // Keep things in Unix line endings internally;
1998         // the system will write out as local text type.
1999         return str_replace( "\r\n", "\n", $localsettings );
2000 }
2001
2002 function dieout( $text ) {
2003         global $mainListOpened;
2004         if( $mainListOpened ) echo( "</ul>" );
2005         if( $text != '' && substr( $text, 0, 2 ) != '<p'  && substr( $text, 0, 2 ) != '<h' ){
2006                 echo "<p>$text</p>\n";
2007         } else {
2008                 echo $text;
2009         }
2010         die( "\n\n</div>\n</div>\n</div>\n</div>\n</body>\n</html>" );
2011 }
2012
2013 function importVar( &$var, $name, $default = "" ) {
2014         if( isset( $var[$name] ) ) {
2015                 $retval = $var[$name];
2016                 if ( get_magic_quotes_gpc() ) {
2017                         $retval = stripslashes( $retval );
2018                 }
2019         } else {
2020                 $retval = $default;
2021         }
2022         taint( $retval );
2023         return $retval;
2024 }
2025
2026 function importPost( $name, $default = "" ) {
2027         return importVar( $_POST, $name, $default );
2028 }
2029
2030 function importCheck( $name ) {
2031         return isset( $_POST[$name] );
2032 }
2033
2034 function importRequest( $name, $default = "" ) {
2035         return importVar( $_REQUEST, $name, $default );
2036 }
2037
2038 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
2039         static $radioCount = 0;
2040         if( $type != "" ) {
2041                 $xtype = "type=\"$type\"";
2042         } else {
2043                 $xtype = "";
2044         }
2045
2046         $id = $field;
2047         $nolabel = ($type == "radio") || ($type == "hidden");
2048
2049         if ($type == 'radio')
2050                 $id .= $radioCount++;
2051
2052         if( !$nolabel ) {
2053                 echo "<label class='column' for=\"$id\">$text</label>";
2054         }
2055
2056         if( $type == "radio" && $value == $conf->$field ) {
2057                 $checked = "checked='checked'";
2058         } else {
2059                 $checked = "";
2060         }
2061         echo "<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
2062         if ($onclick) {
2063                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
2064         }
2065         echo "value=\"";
2066         if( $type == "radio" ) {
2067                 echo htmlspecialchars( $value );
2068         } else {
2069                 echo htmlspecialchars( $conf->$field );
2070         }
2071
2072
2073         echo "\" />";
2074         if( $nolabel ) {
2075                 echo "<label for=\"$id\">$text</label>";
2076         }
2077
2078         global $errs;
2079         if(isset($errs[$field])) {
2080                 echo "<span class='error'>" . htmlspecialchars( $errs[$field] ) . "</span>\n";
2081         }
2082 }
2083
2084 function getLanguageList() {
2085         global $wgLanguageNames, $IP;
2086         if( !isset( $wgLanguageNames ) ) {
2087                 require_once( "$IP/languages/Names.php" );
2088         }
2089
2090         $codes = array();
2091
2092         $d = opendir( "../languages/messages" );
2093         /* In case we are called from the root directory */
2094         if (!$d)
2095                 $d = opendir( "languages/messages");
2096         while( false !== ($f = readdir( $d ) ) ) {
2097                 $m = array();
2098                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
2099                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
2100                         if( $code == 'qqq' ) continue;
2101                         if( isset( $wgLanguageNames[$code] ) ) {
2102                                 $name = wfBCP47( $code ) . ' - ' . $wgLanguageNames[$code];
2103                         } else {
2104                                 $name = $code;
2105                         }
2106                         $codes[$code] = $name;
2107                 }
2108         }
2109         closedir( $d );
2110         ksort( $codes );
2111         return $codes;
2112 }
2113
2114 #Check for location of an executable
2115 # @param string $loc single location to check
2116 # @param array $names filenames to check for.
2117 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
2118 function locate_executable($loc, $names, $versioninfo = false) {
2119         if (!is_array($names))
2120                 $names = array($names);
2121
2122         foreach ($names as $name) {
2123                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
2124                 if (@file_exists($command)) {
2125                         if (!$versioninfo)
2126                                 return $command;
2127
2128                         $file = str_replace('$1', $command, $versioninfo[0]);
2129                         if (strstr(`$file`, $versioninfo[1]) !== false)
2130                                 return $command;
2131                 }
2132         }
2133         return false;
2134 }
2135
2136 # Test a memcached server
2137 function testMemcachedServer( $server ) {
2138         $hostport = explode(":", $server);
2139         $errstr = false;
2140         $fp = false;
2141         if ( !function_exists( 'fsockopen' ) ) {
2142                 $errstr = "Can't connect to memcached, fsockopen() not present";
2143         }
2144         if ( !$errstr && count( $hostport ) != 2 ) {
2145                 $errstr = 'Please specify host and port';
2146         }
2147         if ( !$errstr ) {
2148                 list( $host, $port ) = $hostport;
2149                 $errno = 0;
2150                 $fsockerr = '';
2151
2152                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
2153                 if ( $fp === false ) {
2154                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
2155                 }
2156         }
2157         if ( !$errstr ) {
2158                 $command = "version\r\n";
2159                 $bytes = fwrite( $fp, $command );
2160                 if ( $bytes != strlen( $command ) ) {
2161                         $errstr = "Cannot write to memcached socket on $host:$port";
2162                 }
2163         }
2164         if ( !$errstr ) {
2165                 $expected = "VERSION ";
2166                 $response = fread( $fp, strlen( $expected ) );
2167                 if ( $response != $expected ) {
2168                         $errstr = "Didn't get correct memcached response from $host:$port";
2169                 }
2170         }
2171         if ( $fp ) {
2172                 fclose( $fp );
2173         }
2174         if ( !$errstr ) {
2175                 echo "<li>Connected to memcached on " . htmlspecialchars( "$host:$port" ) ." successfully</li>";
2176         }
2177         return $errstr;
2178 }
2179
2180 function database_picker($conf) {
2181         global $ourdb;
2182         print "\n";
2183         foreach(array_keys($ourdb) as $db) {
2184                 if ($ourdb[$db]['havedriver']) {
2185                         print "\t<li>";
2186                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
2187                         print "</li>\n";
2188                 }
2189         }
2190         print "\n\t";
2191 }
2192
2193 function database_switcher($db) {
2194         global $ourdb;
2195         $color = $ourdb[$db]['bgcolor'];
2196         $full = $ourdb[$db]['fullname'];
2197         print "<fieldset id='$db'><legend>$full specific options</legend>\n";
2198 }
2199
2200 function printListItem( $item ) {
2201         print "<li>$item</li>";
2202 }
2203
2204 # Determine a suitable value for $wgShellLocale
2205 function getShellLocale( $wikiLang ) {
2206         # Give up now if we're in safe mode or open_basedir
2207         # It's theoretically possible but tricky to work with
2208         if ( wfIniGetBool( "safe_mode" ) || ini_get( 'open_basedir' ) || !function_exists('exec') ) {
2209                 return false;
2210         }
2211
2212         $os = php_uname( 's' );
2213         $supported = array( 'Linux', 'SunOS', 'HP-UX' ); # Tested these
2214         if ( !in_array( $os, $supported ) ) {
2215                 return false;
2216         }
2217
2218         # Get a list of available locales
2219         $lines = $ret = false;
2220         exec( '/usr/bin/locale -a', $lines, $ret );
2221         if ( $ret ) {
2222                 return false;
2223         }
2224
2225         $lines = wfArrayMap( 'trim', $lines );
2226         $candidatesByLocale = array();
2227         $candidatesByLang = array();
2228         foreach ( $lines as $line ) {
2229                 if ( $line === '' ) {
2230                         continue;
2231                 }
2232                 if ( !preg_match( '/^([a-zA-Z]+)(_[a-zA-Z]+|)\.(utf8|UTF-8)(@[a-zA-Z_]*|)$/i', $line, $m ) ) {
2233                         continue;
2234                 }
2235                 list( $all, $lang, $territory, $charset, $modifier ) = $m;
2236                 $candidatesByLocale[$m[0]] = $m;
2237                 $candidatesByLang[$lang][] = $m;
2238         }
2239
2240         # Try the current value of LANG
2241         if ( isset( $candidatesByLocale[ getenv( 'LANG' ) ] ) ) {
2242                 return getenv( 'LANG' );
2243         }
2244
2245         # Try the most common ones
2246         $commonLocales = array( 'en_US.UTF-8', 'en_US.utf8', 'de_DE.UTF-8', 'de_DE.utf8' );
2247         foreach ( $commonLocales as $commonLocale ) {
2248                 if ( isset( $candidatesByLocale[$commonLocale] ) ) {
2249                         return $commonLocale;
2250                 }
2251         }
2252
2253         # Is there an available locale in the Wiki's language?
2254         if ( isset( $candidatesByLang[$wikiLang] ) ) {
2255                 $m = reset( $candidatesByLang[$wikiLang] );
2256                 return $m[0];
2257         }
2258
2259         # Are there any at all?
2260         if ( count( $candidatesByLocale ) ) {
2261                 $m = reset( $candidatesByLocale );
2262                 return $m[0];
2263         }
2264
2265         # Give up
2266         return false;
2267 }
2268
2269 function wfArrayMap( $function, $input ) {
2270         $ret = array_map( $function, $input );
2271         foreach ( $ret as $key => $value ) {
2272                 $taint = istainted( $input[$key] );
2273                 if ( $taint ) {
2274                         taint( $ret[$key], $taint );
2275                 }
2276         }
2277         return $ret;
2278 }
2279
2280 ?>
2281
2282         <div class="license">
2283         <hr/>
2284         <p>This program is free software; you can redistribute it and/or modify
2285          it under the terms of the GNU General Public License as published by
2286          the Free Software Foundation; either version 2 of the License, or
2287          (at your option) any later version.</p>
2288
2289          <p>This program is distributed in the hope that it will be useful,
2290          but WITHOUT ANY WARRANTY; without even the implied warranty of
2291          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2292          GNU General Public License for more details.</p>
2293
2294          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
2295          along with this program; if not, write to the Free Software
2296          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
2297          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
2298         </div>
2299
2300 </div></div></div>
2301
2302
2303 <div id="column-one">
2304         <div class="portlet" id="p-logo">
2305           <a style="background-image: url(../skins/common/images/mediawiki.png);"
2306             href="../"
2307             title="Main Page"></a>
2308         </div>
2309         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
2310         <div class='portlet'><div class='pBody'>
2311                 <ul>
2312                         <li><a href="../README">Readme</a></li>
2313                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
2314                         <li><a href="../docs/">Documentation</a></li>
2315                         <li><a href="http://www.mediawiki.org/wiki/Help:Contents">User's Guide</a></li>
2316                         <li><a href="http://www.mediawiki.org/wiki/Manual:Contents">Administrator's Guide</a></li>
2317                         <li><a href="http://www.mediawiki.org/wiki/Manual:FAQ">FAQ</a></li>
2318                 </ul>
2319                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright © 2001-2009 by Magnus Manske, Brion Vibber,
2320                  Lee Daniel Crocker, Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason, Niklas Laxström,
2321                  Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor, Aaron Schulz and others.</p>
2322         </div></div>
2323 </div>
2324
2325 </div>
2326
2327 </body>
2328 </html>