config/index.php

   1 <?php
   2
   3 # MediaWiki web-based config/installation
   4 # Copyright (C) 2004 Brion Vibber <brion@pobox.com>, 2006 Rob Church <robchur@gmail.com>
   5 # http://www.mediawiki.org/
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with this program; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20 # http://www.gnu.org/copyleft/gpl.html
  21
  22 error_reporting( E_ALL );
  23 header( "Content-type: text/html; charset=utf-8" );
  24 @ini_set( "display_errors", true );
  25
  26 # In case of errors, let output be clean.
  27 $wgRequestTime = microtime( true );
  28
  29 # Attempt to set up the include path, to fix problems with relative includes
  30 $IP = dirname( dirname( __FILE__ ) );
  31 define( 'MW_INSTALL_PATH', $IP );
  32 $sep = PATH_SEPARATOR;
  33 if( !ini_set( "include_path", ".$sep$IP$sep$IP/includes$sep$IP/languages" ) ) {
  34         set_include_path( ".$sep$IP$sep$IP/includes$sep$IP/languages" );
  35 }
  36
  37 # Define an entry point and include some files
  38 define( "MEDIAWIKI", true );
  39 define( "MEDIAWIKI_INSTALL", true );
  40
  41 // Run version checks before including other files
  42 // so people don't see a scary parse error.
  43 require_once( "install-utils.inc" );
  44 install_version_checks();
  45
  46 require_once( "includes/Defines.php" );
  47 require_once( "includes/DefaultSettings.php" );
  48 require_once( "includes/MagicWord.php" );
  49 require_once( "includes/Namespace.php" );
  50 require_once( "includes/ProfilerStub.php" );
  51
  52 ## Databases we support:
  53
  54 $ourdb = array();
  55 $ourdb['mysql']['fullname']      = 'MySQL';
  56 $ourdb['mysql']['havedriver']    = 0;
  57 $ourdb['mysql']['compile']       = 'mysql';
  58 $ourdb['mysql']['bgcolor']       = '#ffe5a7';
  59 $ourdb['mysql']['rootuser']      = 'root';
  60
  61 $ourdb['postgres']['fullname']   = 'PostgreSQL';
  62 $ourdb['postgres']['havedriver'] = 0;
  63 $ourdb['postgres']['compile']    = 'pgsql';
  64 $ourdb['postgres']['bgcolor']    = '#aaccff';
  65 $ourdb['postgres']['rootuser']   = 'postgres';
  66
  67 ?>
  68 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  69 <html>
  70 <head>
  71         <meta http-equiv="Content-type" content="text/html; charset=utf-8">
  72         <title>MediaWiki <?php echo( $wgVersion ); ?> Installation</title>
  73         <style type="text/css">
  74
  75                 @import "../skins/monobook/main.css";
  76
  77                 .env-check {
  78                         font-size: 90%;
  79                         margin: 1em 0 1em 2.5em;
  80                 }
  81
  82                 .config-section {
  83                         margin-top: 2em;
  84                 }
  85
  86                 .config-section label.column {
  87                         clear: left;
  88                         font-weight: bold;
  89                         width: 13em;
  90                         float: left;
  91                         text-align: right;
  92                         padding-right: 1em;
  93                         padding-top: .2em;
  94                 }
  95
  96                 .config-input {
  97                         clear: left;
  98                         zoom: 100%; /* IE hack */
  99                 }
 100
 101                 .config-section .config-desc {
 102                         clear: left;
 103                         margin: 0 0 2em 18em;
 104                         padding-top: 1em;
 105                         font-size: 85%;
 106                 }
 107
 108                 .iput-text, .iput-password {
 109                         width: 14em;
 110                         margin-right: 1em;
 111                 }
 112
 113                 .error {
 114                         color: red;
 115                         background-color: #fff;
 116                         font-weight: bold;
 117                         left: 1em;
 118                         font-size: 100%;
 119                 }
 120
 121                 .error-top {
 122                         color: red;
 123                         background-color: #FFF0F0;
 124                         border: 2px solid red;
 125                         font-size: 130%;
 126                         font-weight: bold;
 127                         padding: 1em 1.5em;
 128                         margin: 2em 0 1em;
 129                 }
 130
 131                 ul.plain {
 132                         list-style-type: none;
 133                         list-style-image: none;
 134                         float: left;
 135                         margin: 0;
 136                         padding: 0;
 137                 }
 138
 139                 .btn-install {
 140                         font-weight: bold;
 141                         font-size: 110%;
 142                         padding: .2em .3em;
 143                 }
 144
 145                 .license {
 146                         font-size: 85%;
 147                         padding-top: 3em;
 148                 }
 149
 150         </style>
 151         <script type="text/javascript">
 152         <!--
 153         function hideall() {
 154                 <?php foreach (array_keys($ourdb) as $db) {
 155                 echo "\n                document.getElementById('$db').style.display='none';";
 156                 }
 157                 ?>
 158
 159         }
 160         function toggleDBarea(id,defaultroot) {
 161                 hideall();
 162                 var dbarea = document.getElementById(id).style;
 163                 dbarea.display = (dbarea.display == 'none') ? 'block' : 'none';
 164                 var db = document.getElementById('RootUser');
 165                 if (defaultroot) {
 166 <?php foreach (array_keys($ourdb) as $db) {
 167                         echo "                  if (id == '$db') { db.value = '".$ourdb[$db]['rootuser']."';}\n";
 168 }?>
 169                 }
 170         }
 171         // -->
 172         </script>
 173 </head>
 174
 175 <body>
 176 <div id="globalWrapper">
 177 <div id="column-content">
 178 <div id="content">
 179 <div id="bodyContent">
 180
 181 <h1>MediaWiki <?php print $wgVersion ?> Installation</h1>
 182
 183 <?php
 184
 185 /* Check for existing configurations and bug out! */
 186
 187 if( file_exists( "../LocalSettings.php" ) ) {
 188         dieout( "<p><strong>Setup has completed, <a href='../index.php'>your wiki</a> is configured.</strong></p>
 189
 190         <p>Please delete the /config directory for extra security.</p></div></div></div></div>" );
 191 }
 192
 193 if( file_exists( "./LocalSettings.php" ) ) {
 194         writeSuccessMessage();
 195
 196         dieout( '' );
 197 }
 198
 199 if( !is_writable( "." ) ) {
 200         dieout( "<h2>Can't write config file, aborting</h2>
 201
 202         <p>In order to configure the wiki you have to make the <tt>config</tt> subdirectory
 203         writable by the web server. Once configuration is done you'll move the created
 204         <tt>LocalSettings.php</tt> to the parent directory, and for added safety you can
 205         then remove the <tt>config</tt> subdirectory entirely.</p>
 206
 207         <p>To make the directory writable on a Unix/Linux system:</p>
 208
 209         <pre>
 210         cd <i>/path/to/wiki</i>
 211         chmod a+w config
 212         </pre>
 213
 214         <p>Afterwards retry to start the <a href=\"\">setup</a>.</p>" );
 215 }
 216
 217
 218 require_once( "install-utils.inc" );
 219 require_once( "maintenance/updaters.inc" );
 220
 221 class ConfigData {
 222         function getEncoded( $data ) {
 223                 # removing latin1 support, no need...
 224                 return $data;
 225         }
 226         function getSitename() { return $this->getEncoded( $this->Sitename ); }
 227         function getSysopName() { return $this->getEncoded( $this->SysopName ); }
 228         function getSysopPass() { return $this->getEncoded( $this->SysopPass ); }
 229
 230         function setSchema( $schema ) {
 231                 $this->DBschema = $schema;
 232                 switch ( $this->DBschema ) {
 233                         case 'mysql5':
 234                                 $this->DBTableOptions = 'ENGINE=InnoDB, DEFAULT CHARSET=utf8';
 235                                 $this->DBmysql5 = 'true';
 236                                 break;
 237                         case 'mysql5-binary':
 238                                 $this->DBTableOptions = 'ENGINE=InnoDB, DEFAULT CHARSET=binary';
 239                                 $this->DBmysql5 = 'true';
 240                                 break;
 241                         default:
 242                                 $this->DBTableOptions = 'TYPE=InnoDB';
 243                                 $this->DBmysql5 = 'false';
 244                 }
 245                 # Set the global for use during install
 246                 global $wgDBTableOptions;
 247                 $wgDBTableOptions = $this->DBTableOptions;
 248         }
 249 }
 250
 251 ?>
 252
 253 <ul>
 254         <li>
 255                 <b>Don't forget security updates!</b> Keep an eye on the
 256                 <a href="http://mail.wikimedia.org/mailman/listinfo/mediawiki-announce">low-traffic
 257                 release announcements mailing list</a>.
 258         </li>
 259 </ul>
 260
 261
 262 <h2>Checking environment...</h2>
 263 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 264 <ul class="env-check">
 265 <?php
 266 $endl = "
 267 ";
 268 define( 'MW_NO_OUTPUT_BUFFER', 1 );
 269 $conf = new ConfigData;
 270
 271 install_version_checks();
 272
 273 print "<li>PHP " . phpversion() . " installed</li>\n";
 274
 275 ## Temporarily turn off all errors as we try to discover installed databases
 276 $olderrnum = error_reporting(0);
 277
 278 $phpdatabases = array();
 279 foreach (array_keys($ourdb) as $db) {
 280         $compname = $ourdb[$db]['compile'];
 281         if (extension_loaded($compname) or dl($compname . '.' . PHP_SHLIB_SUFFIX)) {
 282                 array_push($phpdatabases, $db);
 283                 $ourdb[$db]['havedriver'] = 1;
 284         }
 285 }
 286
 287 error_reporting($olderrornum);
 288
 289 if (!$phpdatabases) {
 290         print "Could not find a suitable database driver!<ul>";
 291         foreach (array_keys($ourdb) AS $db) {
 292                 $comp = $ourdb[$db]['compile'];
 293                 $full = $ourdb[$db]['fullname'];
 294                 print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
 295                         ."or install the $comp.so module</li>\n";
 296         }
 297         dieout( "</ul></ul>" );
 298 }
 299
 300 print "<li>Found database drivers for:";
 301 foreach (array_keys($ourdb) AS $db) {
 302         if ($ourdb[$db]['havedriver']) {
 303                 $DefaultDBtype = $db;
 304                 print "  ".$ourdb[$db]['fullname'];
 305         }
 306 }
 307 print "</li>\n";
 308 if (count($phpdatabases) != 1)
 309         $DefaultDBtype = '';
 310
 311 if( ini_get( "register_globals" ) ) {
 312         ?>
 313         <li>
 314                 <div style="font-size:110%">
 315                 <strong class="error">Warning:</strong>
 316                 <strong>PHP's <tt><a href="http://php.net/register_globals">register_globals</a></tt> option is enabled. Disable it if you can.</strong>
 317                 </div>
 318                 MediaWiki will work, but your server is more exposed to PHP-based security vulnerabilities.
 319         </li>
 320         <?php
 321 }
 322
 323 $fatal = false;
 324
 325 if( ini_get( "magic_quotes_runtime" ) ) {
 326         $fatal = true;
 327         ?><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>
 328         This option corrupts data input unpredictably; you cannot install or use
 329         MediaWiki unless this option is disabled.
 330         <?php
 331 }
 332
 333 if( ini_get( "magic_quotes_sybase" ) ) {
 334         $fatal = true;
 335         ?><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>
 336         This option corrupts data input unpredictably; you cannot install or use
 337         MediaWiki unless this option is disabled.
 338         <?php
 339 }
 340
 341 if( ini_get( "mbstring.func_overload" ) ) {
 342         $fatal = true;
 343         ?><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>
 344         This option causes errors and may corrupt data unpredictably;
 345         you cannot install or use MediaWiki unless this option is disabled.
 346         <?php
 347 }
 348
 349 if( ini_get( "zend.ze1_compatibility_mode" ) ) {
 350         $fatal = true;
 351         ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
 352         This option causes horrible bugs with MediaWiki; you cannot install or use
 353         MediaWiki unless this option is disabled.
 354         <?php
 355 }
 356
 357
 358 if( $fatal ) {
 359         dieout( "</ul><p>Cannot install MediaWiki.</p>" );
 360 }
 361
 362 if( ini_get( "safe_mode" ) ) {
 363         $conf->safeMode = true;
 364         ?>
 365         <li><b class='error'>Warning:</b> <strong>PHP's
 366         <a href='http://www.php.net/features.safe-mode'>safe mode</a> is active.</strong>
 367         You may have problems caused by this, particularly if using image uploads.
 368         </li>
 369         <?php
 370 } else {
 371         $conf->safeMode = false;
 372 }
 373
 374 $sapi = php_sapi_name();
 375 print "<li>PHP server API is $sapi; ";
 376 if( $wgUsePathInfo ) {
 377         print "ok, using pretty URLs (<tt>index.php/Page_Title</tt>)";
 378 } else {
 379         print "using ugly URLs (<tt>index.php?title=Page_Title</tt>)";
 380 }
 381 print "</li>\n";
 382
 383 $conf->xml = function_exists( "utf8_encode" );
 384 if( $conf->xml ) {
 385         print "<li>Have XML / Latin1-UTF-8 conversion support.</li>\n";
 386 } else {
 387         dieout( "PHP's XML module is missing; the wiki requires functions in
 388                 this module and won't work in this configuration.
 389                 If you're running Mandrake, install the php-xml package." );
 390 }
 391
 392 # Check for session support
 393 if( !function_exists( 'session_name' ) )
 394         dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
 395
 396 # session.save_path doesn't *have* to be set, but if it is, and it's
 397 # not valid/writable/etc. then it can cause problems
 398 $sessionSavePath = ini_get( 'session.save_path' );
 399 # Warn the user if it's not set, but let them proceed
 400 if( !$sessionSavePath ) {
 401         print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
 402         has not been set in PHP.ini. If the default value causes problems with
 403         saving session data, set it to a valid path which is read/write/execute
 404         for the user your web server is running under.</li>";
 405 } elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
 406         # All good? Let the user know
 407         print "<li>Session save path appears to be valid.</li>";
 408 } else {
 409         # Something not right? Halt the installation so the user can fix it up
 410         dieout( "Your session save path appears to be invalid or is not writable.
 411                 PHP needs to be able to save data to this location in order for correct
 412                 session operation. Please check that <tt>session.save_path</tt> in
 413                 <tt>PHP.ini</tt> points to a valid path, and is read/write/execute for
 414                 the user your web server is running under." );
 415 }
 416
 417 # Check for PCRE support
 418 if( !function_exists( 'preg_match' ) )
 419         dieout( "The PCRE support module appears to be missing. MediaWiki requires the
 420         Perl-compatible regular expression functions." );
 421
 422 $memlimit = ini_get( "memory_limit" );
 423 $conf->raiseMemory = false;
 424 if( empty( $memlimit ) || $memlimit == -1 ) {
 425         print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 426 } else {
 427         print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". ";
 428         $n = intval( $memlimit );
 429         if( preg_match( '/^([0-9]+)[Mm]$/', trim( $memlimit ), $m ) ) {
 430                 $n = intval( $m[1] * (1024*1024) );
 431         }
 432         if( $n < 20*1024*1024 ) {
 433                 print "Attempting to raise limit to 20M... ";
 434                 if( false === ini_set( "memory_limit", "20M" ) ) {
 435                         print "failed.<br /><b>" . htmlspecialchars( $memlimit ) . " seems too low, installation may fail!</b>";
 436                 } else {
 437                         $conf->raiseMemory = true;
 438                         print "ok.";
 439                 }
 440         }
 441         print "</li>\n";
 442 }
 443
 444 $conf->turck = function_exists( 'mmcache_get' );
 445 if ( $conf->turck ) {
 446         print "<li><a href=\"http://turck-mmcache.sourceforge.net/\">Turck MMCache</a> installed</li>\n";
 447 }
 448
 449 $conf->apc = function_exists('apc_fetch');
 450 if ($conf->apc ) {
 451         print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>";
 452 }
 453
 454 $conf->eaccel = function_exists( 'eaccelerator_get' );
 455 if ( $conf->eaccel ) {
 456         $conf->turck = 'eaccelerator';
 457         print "<li><a href=\"http://eaccelerator.sourceforge.net/\">eAccelerator</a> installed</li>\n";
 458 }
 459
 460 if( !$conf->turck && !$conf->eaccel && !$conf->apc ) {
 461         echo( '<li>Couldn\'t find <a href="http://turck-mmcache.sourceforge.net">Turck MMCache</a>,
 462                 <a href="http://eaccelerator.sourceforge.net">eAccelerator</a>, or
 463                 <a href="http://www.php.net/apc">APC</a>. Object caching functions cannot be used.</li>' );
 464 }
 465
 466 $conf->diff3 = false;
 467 $diff3locations = array_merge(
 468         array(
 469                 "/usr/bin",
 470                 "/usr/local/bin",
 471                 "/opt/csw/bin",
 472                 "/usr/gnu/bin",
 473                 "/usr/sfw/bin" ),
 474         explode( $sep, getenv( "PATH" ) ) );
 475 $diff3names = array( "gdiff3", "diff3", "diff3.exe" );
 476
 477 $diff3versioninfo = array( '$1 --version 2>&1', 'diff3 (GNU diffutils)' );
 478 foreach ($diff3locations as $loc) {
 479         $exe = locate_executable($loc, $diff3names, $diff3versioninfo);
 480         if ($exe !== false) {
 481                 $conf->diff3 = $exe;
 482                 break;
 483         }
 484 }
 485
 486 if ($conf->diff3)
 487         print "<li>Found GNU diff3: <tt>$conf->diff3</tt>.</li>";
 488 else
 489         print "<li>GNU diff3 not found.</li>";
 490
 491 $conf->ImageMagick = false;
 492 $imcheck = array( "/usr/bin", "/opt/csw/bin", "/usr/local/bin", "/sw/bin", "/opt/local/bin" );
 493 foreach( $imcheck as $dir ) {
 494         $im = "$dir/convert";
 495         if( file_exists( $im ) ) {
 496                 print "<li>Found ImageMagick: <tt>$im</tt>; image thumbnailing will be enabled if you enable uploads.</li>\n";
 497                 $conf->ImageMagick = $im;
 498                 break;
 499         }
 500 }
 501
 502 $conf->HaveGD = function_exists( "imagejpeg" );
 503 if( $conf->HaveGD ) {
 504         print "<li>Found GD graphics library built-in";
 505         if( !$conf->ImageMagick ) {
 506                 print ", image thumbnailing will be enabled if you enable uploads";
 507         }
 508         print ".</li>\n";
 509 } else {
 510         if( !$conf->ImageMagick ) {
 511                 print "<li>Couldn't find GD library or ImageMagick; image thumbnailing disabled.</li>\n";
 512         }
 513 }
 514
 515 $conf->IP = dirname( dirname( __FILE__ ) );
 516 print "<li>Installation directory: <tt>" . htmlspecialchars( $conf->IP ) . "</tt></li>\n";
 517
 518
 519 // PHP_SELF isn't available sometimes, such as when PHP is CGI but
 520 // cgi.fix_pathinfo is disabled. In that case, fall back to SCRIPT_NAME
 521 // to get the path to the current script... hopefully it's reliable. SIGH
 522 $path = ($_SERVER["PHP_SELF"] === '')
 523         ? $_SERVER["SCRIPT_NAME"]
 524         : $_SERVER["PHP_SELF"];
 525 $conf->ScriptPath = preg_replace( '{^(.*)/config.*$}', '$1', $path );
 526 print "<li>Script URI path: <tt>" . htmlspecialchars( $conf->ScriptPath ) . "</tt></li>\n";
 527
 528 print "<li style='font-weight:bold;color:green;font-size:110%'>Environment checked. You can install MediaWiki.</li>\n";
 529         $conf->posted = ($_SERVER["REQUEST_METHOD"] == "POST");
 530
 531         $conf->Sitename = ucfirst( importPost( "Sitename", "" ) );
 532         $defaultEmail = empty( $_SERVER["SERVER_ADMIN"] )
 533                 ? 'root@localhost'
 534                 : $_SERVER["SERVER_ADMIN"];
 535         $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
 536         $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
 537 ?>
 538
 539 <?php
 540         $conf->DBserver = importPost( "DBserver", "localhost" );
 541         $conf->DBname = importPost( "DBname", "wikidb" );
 542         $conf->DBuser = importPost( "DBuser", "wikiuser" );
 543         $conf->DBpassword = importPost( "DBpassword" );
 544         $conf->DBpassword2 = importPost( "DBpassword2" );
 545         $conf->SysopName = importPost( "SysopName", "WikiSysop" );
 546         $conf->SysopPass = importPost( "SysopPass" );
 547         $conf->SysopPass2 = importPost( "SysopPass2" );
 548         $conf->RootUser = importPost( "RootUser", "root" );
 549         $conf->RootPW = importPost( "RootPW", "" );
 550         $useRoot = importCheck( 'useroot', false );
 551
 552         ## MySQL specific:
 553         $conf->DBprefix     = importPost( "DBprefix" );
 554         $conf->setSchema( importPost( "DBschema", "mysql4" ) );
 555         $conf->LanguageCode = importPost( "LanguageCode", "en" );
 556
 557         ## Postgres specific:
 558         $conf->DBport      = importPost( "DBport",      "5432" );
 559         $conf->DBmwschema  = importPost( "DBmwschema",  "mediawiki" );
 560         $conf->DBts2schema = importPost( "DBts2schema", "public" );
 561
 562 /* Check for validity */
 563 $errs = array();
 564
 565 if( $conf->Sitename == "" || $conf->Sitename == "MediaWiki" || $conf->Sitename == "Mediawiki" ) {
 566         $errs["Sitename"] = "Must not be blank or \"MediaWiki\"";
 567 }
 568 if( $conf->DBuser == "" ) {
 569         $errs["DBuser"] = "Must not be blank";
 570 }
 571 if( ($conf->DBtype == 'mysql') && (strlen($conf->DBuser) > 16) ) {
 572         $errs["DBuser"] = "Username too long";
 573 }
 574 if( $conf->DBpassword == "" && $conf->DBtype != "postgres" ) {
 575         $errs["DBpassword"] = "Must not be blank";
 576 }
 577 if( $conf->DBpassword != $conf->DBpassword2 ) {
 578         $errs["DBpassword2"] = "Passwords don't match!";
 579 }
 580 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
 581         $errs["DBprefix"] = "Invalid table prefix";
 582 }
 583
 584 if( $conf->SysopPass == "" ) {
 585         $errs["SysopPass"] = "Must not be blank";
 586 }
 587 if( $conf->SysopPass != $conf->SysopPass2 ) {
 588         $errs["SysopPass2"] = "Passwords don't match!";
 589 }
 590
 591 $conf->License = importRequest( "License", "none" );
 592 if( $conf->License == "gfdl" ) {
 593         $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
 594         $conf->RightsText = "GNU Free Documentation License 1.2";
 595         $conf->RightsCode = "gfdl";
 596         $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 597 } elseif( $conf->License == "none" ) {
 598         $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
 599 } else {
 600         $conf->RightsUrl = importRequest( "RightsUrl", "" );
 601         $conf->RightsText = importRequest( "RightsText", "" );
 602         $conf->RightsCode = importRequest( "RightsCode", "" );
 603         $conf->RightsIcon = importRequest( "RightsIcon", "" );
 604 }
 605
 606 $conf->Shm = importRequest( "Shm", "none" );
 607 $conf->MCServers = importRequest( "MCServers" );
 608
 609 /* Test memcached servers */
 610
 611 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
 612         $conf->MCServerArray = array_map( 'trim', explode( ',', $conf->MCServers ) );
 613         foreach ( $conf->MCServerArray as $server ) {
 614                 $error = testMemcachedServer( $server );
 615                 if ( $error ) {
 616                         $errs["MCServers"] = $error;
 617                         break;
 618                 }
 619         }
 620 } else if ( $conf->Shm == 'memcached' ) {
 621         $errs["MCServers"] = "Please specify at least one server if you wish to use memcached";
 622 }
 623
 624 /* default values for installation */
 625 $conf->Email     = importRequest("Email", "email_enabled");
 626 $conf->Emailuser = importRequest("Emailuser", "emailuser_enabled");
 627 $conf->Enotif    = importRequest("Enotif", "enotif_allpages");
 628 $conf->Eauthent  = importRequest("Eauthent", "eauthent_enabled");
 629
 630 if( $conf->posted && ( 0 == count( $errs ) ) ) {
 631         do { /* So we can 'continue' to end prematurely */
 632                 $conf->Root = ($conf->RootPW != "");
 633
 634                 /* Load up the settings and get installin' */
 635                 $local = writeLocalSettings( $conf );
 636                 echo "<li style=\"list-style: none\">\n";
 637                 echo "<p><b>Generating configuration file...</b></p>\n";
 638                 echo "</li>\n";
 639
 640                 $wgCommandLineMode = false;
 641                 chdir( ".." );
 642                 $ok = eval( $local );
 643                 if( $ok === false ) {
 644                         dieout( "Errors in generated configuration; " .
 645                                 "most likely due to a bug in the installer... " .
 646                                 "Config file was: " .
 647                                 "<pre>" .
 648                                 htmlspecialchars( $local ) .
 649                                 "</pre>" .
 650                                 "</ul>" );
 651                 }
 652                 $conf->DBtypename = '';
 653                 foreach (array_keys($ourdb) as $db) {
 654                         if ($conf->DBtype === $db)
 655                                 $conf->DBtypename = $ourdb[$db]['fullname'];
 656                 }
 657                 if ( ! strlen($conf->DBtype)) {
 658                         $errs["DBpicktype"] = "Please choose a database type";
 659                         continue;
 660                 }
 661
 662                 if (! $conf->DBtypename) {
 663                         $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
 664                         continue;
 665                 }
 666                 print "<li>Database type: {$conf->DBtypename}</li>\n";
 667                 $dbclass = 'Database'.ucfirst($conf->DBtype);
 668                 $wgDBtype = $conf->DBtype;
 669                 $wgDBadminuser = "root";
 670                 $wgDBadminpassword = $conf->RootPW;
 671
 672                 ## Mysql specific:
 673                 $wgDBprefix = $conf->DBprefix;
 674
 675                 ## Postgres specific:
 676                 $wgDBport      = $conf->DBport;
 677                 $wgDBmwschema  = $conf->DBmwschema;
 678                 $wgDBts2schema = $conf->DBts2schema;
 679
 680                 $wgCommandLineMode = true;
 681                 $wgUseDatabaseMessages = false; /* FIXME: For database failure */
 682                 require_once( "includes/Setup.php" );
 683                 chdir( "config" );
 684
 685                 $wgTitle = Title::newFromText( "Installation script" );
 686                 error_reporting( E_ALL );
 687                 print "<li>Loading class: $dbclass";
 688                 $dbc = new $dbclass;
 689
 690                 if( $conf->DBtype == 'mysql' ) {
 691                         $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
 692                         if( $mysqlOldClient ) {
 693                                 print "<li><b>PHP is linked with old MySQL client libraries. If you are
 694                                         using a MySQL 4.1 server and have problems connecting to the database,
 695                                         see <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 696                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b></li>\n";
 697                         }
 698                         $ok = true; # Let's be optimistic
 699
 700                         # Decide if we're going to use the superuser or the regular database user
 701                         $conf->Root = $useRoot;
 702                         if( $conf->Root ) {
 703                                 $db_user = $conf->RootUser;
 704                                 $db_pass = $conf->RootPW;
 705                         } else {
 706                                 $db_user = $wgDBuser;
 707                                 $db_pass = $wgDBpassword;
 708                         }
 709
 710                         # Attempt to connect
 711                         echo( "<li>Attempting to connect to database server as $db_user..." );
 712                         $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 713
 714                         # Check the connection and respond to errors
 715                         if( $wgDatabase->isOpen() ) {
 716                                 # Seems OK
 717                                 $ok = true;
 718                                 $wgDBadminuser = $db_user;
 719                                 $wgDBadminpassword = $db_pass;
 720                                 echo( "success.</li>\n" );
 721                                 $wgDatabase->ignoreErrors( true );
 722                                 $myver = $wgDatabase->getServerVersion();
 723                         } else {
 724                                 # There were errors, report them and back out
 725                                 $ok = false;
 726                                 $errno = mysql_errno();
 727                                 $errtx = htmlspecialchars( mysql_error() );
 728                                 switch( $errno ) {
 729                                         case 1045:
 730                                         case 2000:
 731                                                 echo( "failed due to authentication errors. Check passwords.</li>" );
 732                                                 if( $conf->Root ) {
 733                                                         # The superuser details are wrong
 734                                                         $errs["RootUser"] = "Check username";
 735                                                         $errs["RootPW"] = "and password";
 736                                                 } else {
 737                                                         # The regular user details are wrong
 738                                                         $errs["DBuser"] = "Check username";
 739                                                         $errs["DBpassword"] = "and password";
 740                                                 }
 741                                                 break;
 742                                         case 2002:
 743                                         case 2003:
 744                                         default:
 745                                                 # General connection problem
 746                                                 echo( "failed with error [$errno] $errtx.</li>\n" );
 747                                                 $errs["DBserver"] = "Connection failed";
 748                                                 break;
 749                                 } # switch
 750                         } #conn. att.
 751
 752                         if( !$ok ) { continue; }
 753
 754                 } else /* not mysql */ {
 755                         error_reporting( E_ALL );
 756                         $wgSuperUser = '';
 757                         ## Possible connect as a superuser
 758                         if( $useRoot ) {
 759                                 $wgDBsuperuser = $conf->RootUser;
 760                                 echo( "<li>Attempting to connect to database \"postgres\" as superuser \"$wgDBsuperuser\"..." );
 761                                 $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
 762                                 if (!$wgDatabase->isOpen()) {
 763                                         print " error: " . $wgDatabase->lastError() . "</li>\n";
 764                                         $errs["DBserver"] = "Could not connect to database as superuser";
 765                                         $errs["RootUser"] = "Check username";
 766                                         $errs["RootPW"] = "and password";
 767                                         continue;
 768                                 }
 769                         }
 770                         echo( "<li>Attempting to connect to database \"$wgDBname\" as \"$wgDBuser\"..." );
 771                         $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
 772                         if (!$wgDatabase->isOpen()) {
 773                                 print " error: " . $wgDatabase->lastError() . "</li>\n";
 774                         } else {
 775                                 $myver = $wgDatabase->getServerVersion();
 776                         }
 777                 }
 778
 779                 if ( !$wgDatabase->isOpen() ) {
 780                         $errs["DBserver"] = "Couldn't connect to database";
 781                         continue;
 782                 }
 783
 784                 print "<li>Connected to $myver";
 785                 if ($conf->DBtype == 'mysql') {
 786                         if( version_compare( $myver, "4.0.14" ) < 0 ) {
 787                                 dieout( " -- mysql 4.0.14 or later required. Aborting." );
 788                         }
 789                         $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
 790                         if( $mysqlNewAuth && $mysqlOldClient ) {
 791                                 print "; <b class='error'>You are using MySQL 4.1 server, but PHP is linked
 792                                         to old client libraries; if you have trouble with authentication, see
 793                                         <a href='http://dev.mysql.com/doc/mysql/en/old-client.html'
 794                                         >http://dev.mysql.com/doc/mysql/en/old-client.html</a> for help.</b>";
 795                         }
 796                         if( $wgDBmysql5 ) {
 797                                 if( $mysqlNewAuth ) {
 798                                         print "; enabling MySQL 4.1/5.0 charset mode";
 799                                 } else {
 800                                         print "; <b class='error'>MySQL 4.1/5.0 charset mode enabled,
 801                                                 but older version detected; will likely fail.</b>";
 802                                 }
 803                         }
 804                         print "</li>\n";
 805
 806                         @$sel = $wgDatabase->selectDB( $wgDBname );
 807                         if( $sel ) {
 808                                 print "<li>Database <tt>" . htmlspecialchars( $wgDBname ) . "</tt> exists</li>\n";
 809                         } else {
 810                                 $err = mysql_errno();
 811                                 $databaseSafe = htmlspecialchars( $wgDBname );
 812                                 if( $err == 1102 /* Invalid database name */ ) {
 813                                         print "<ul><li><strong>{$databaseSafe}</strong> is not a valid database name.</li></ul>";
 814                                         continue;
 815                                 } elseif( $err != 1049 /* Database doesn't exist */ ) {
 816                                         print "<ul><li>Error selecting database <strong>{$databaseSafe}</strong>: {$err} ";
 817                                         print htmlspecialchars( mysql_error() ) . "</li></ul>";
 818                                         continue;
 819                                 }
 820                                 print "<li>Attempting to create database...</li>";
 821                                 $res = $wgDatabase->query( "CREATE DATABASE `$wgDBname`" );
 822                                 if( !$res ) {
 823                                         print "<li>Couldn't create database <tt>" .
 824                                                 htmlspecialchars( $wgDBname ) .
 825                                                 "</tt>; try with root access or check your username/pass.</li>\n";
 826                                         $errs["RootPW"] = "&lt;- Enter";
 827                                         continue;
 828                                 }
 829                                 print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
 830                         }
 831                         $wgDatabase->selectDB( $wgDBname );
 832                 }
 833                 else if ($conf->DBtype == 'postgres') {
 834                         if( version_compare( $myver, "PostgreSQL 8.0" ) < 0 ) {
 835                                 dieout( " <b>Postgres 8.0 or later is required</b>. Aborting.</li></ul>" );
 836                         }
 837                 }
 838
 839                 if( $wgDatabase->tableExists( "cur" ) || $wgDatabase->tableExists( "revision" ) ) {
 840                         print "<li>There are already MediaWiki tables in this database. Checking if updates are needed...</li>\n";
 841
 842                         if ( $conf->DBtype == 'mysql') {
 843
 844                                 # Determine existing default character set
 845                                 if ( $wgDatabase->tableExists( "revision" ) ) {
 846                                         $revision = $wgDatabase->escapeLike( $conf->DBprefix . 'revision' );
 847                                         $res = $wgDatabase->query( "SHOW TABLE STATUS LIKE '$revision'" );
 848                                         $row = $wgDatabase->fetchObject( $res );
 849                                         if ( !$row ) {
 850                                                 echo "<li>SHOW TABLE STATUS query failed!</li>\n";
 851                                                 $existingSchema = false;
 852                                         } elseif ( preg_match( '/^latin1/', $row->Collation ) ) {
 853                                                 $existingSchema = 'mysql4';
 854                                         } elseif ( preg_match( '/^utf8/', $row->Collation ) ) {
 855                                                 $existingSchema = 'mysql5';
 856                                         } elseif ( preg_match( '/^binary/', $row->Collation ) ) {
 857                                                 $existingSchema = 'mysql5-binary';
 858                                         } else {
 859                                                 $existingSchema = false;
 860                                                 echo "<li><strong>Warning:</strong> Unrecognised existing collation</li>\n";
 861                                         }
 862                                         if ( $existingSchema && $existingSchema != $conf->DBschema ) {
 863                                                 print "<li><strong>Warning:</strong> you requested the {$conf->DBschema} schema, " .
 864                                                         "but the existing database has the $existingSchema schema. This upgrade script ".
 865                                                         "can't convert it, so it will remain $existingSchema.</li>\n";
 866                                                 $conf->setSchema( $existingSchema );
 867                                         }
 868                                 }
 869
 870                                 # Create user if required
 871                                 if ( $conf->Root ) {
 872                                         $conn = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 873                                         if ( $conn->isOpen() ) {
 874                                                 print "<li>DB user account ok</li>\n";
 875                                                 $conn->close();
 876                                         } else {
 877                                                 print "<li>Granting user permissions...";
 878                                                 if( $mysqlOldClient && $mysqlNewAuth ) {
 879                                                         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>";
 880                                                 }
 881                                                 print "</li>\n";
 882                                                 dbsource( "../maintenance/users.sql", $wgDatabase );
 883                                         }
 884                                 }
 885                         }
 886                         print "</ul><pre>\n";
 887                         chdir( ".." );
 888                         flush();
 889                         do_all_updates();
 890                         chdir( "config" );
 891                         print "</pre>\n";
 892                         print "<ul><li>Finished update checks.</li>\n";
 893                 } else {
 894                         # FIXME: Check for errors
 895                         print "<li>Creating tables...";
 896                         if ($conf->DBtype == 'mysql') {
 897                                 dbsource( "../maintenance/tables.sql", $wgDatabase );
 898                                 dbsource( "../maintenance/interwiki.sql", $wgDatabase );
 899                         } else if ($conf->DBtype == 'postgres') {
 900                                 $wgDatabase->setup_database();
 901                         }
 902                         else {
 903                                 $errs["DBtype"] = "Do not know how to handle database type '$conf->DBtype'";
 904                                 continue;
 905                         }
 906
 907                         print " done.</li>\n";
 908
 909                         print "<li>Initializing data...</li>\n";
 910                         $wgDatabase->insert( 'site_stats',
 911                                 array ( 'ss_row_id'        => 1,
 912                                                 'ss_total_views'   => 0,
 913                                                 'ss_total_edits'   => 0,
 914                                                 'ss_good_articles' => 0 ) );
 915
 916                         # Set up the "regular user" account *if we can, and if we need to*
 917                         if( $conf->Root and $conf->DBtype == 'mysql') {
 918                                 # See if we need to
 919                                 $wgDatabase2 = $dbc->newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1 );
 920                                 if( $wgDatabase2->isOpen() ) {
 921                                         # Nope, just close the test connection and continue
 922                                         $wgDatabase2->close();
 923                                         echo( "<li>User $wgDBuser exists. Skipping grants.</li>\n" );
 924                                 } else {
 925                                         # Yes, so run the grants
 926                                         echo( "<li>Granting user permissions to $wgDBuser on $wgDBname..." );
 927                                         dbsource( "../maintenance/users.sql", $wgDatabase );
 928                                         echo( "success.</li>\n" );
 929                                 }
 930                         }
 931
 932                         if( $conf->SysopName ) {
 933                                 $u = User::newFromName( $conf->getSysopName() );
 934                                 if ( !$u ) {
 935                                         print "<li><strong class=\"error\">Warning:</strong> Skipped sysop account creation - invalid username!</li>\n";
 936                                 }
 937                                 else if ( 0 == $u->idForName() ) {
 938                                         $u->addToDatabase();
 939                                         $u->setPassword( $conf->getSysopPass() );
 940                                         $u->saveSettings();
 941
 942                                         $u->addGroup( "sysop" );
 943                                         $u->addGroup( "bureaucrat" );
 944
 945                                         print "<li>Created sysop account <tt>" .
 946                                                 htmlspecialchars( $conf->SysopName ) . "</tt>.</li>\n";
 947                                 } else {
 948                                         print "<li>Could not create user - already exists!</li>\n";
 949                                 }
 950                         } else {
 951                                 print "<li>Skipped sysop account creation, no name given.</li>\n";
 952                         }
 953
 954                         $titleobj = Title::newFromText( wfMsgNoDB( "mainpage" ) );
 955                         $article = new Article( $titleobj );
 956                         $newid = $article->insertOn( $wgDatabase );
 957                         $revision = new Revision( array(
 958                                 'page'      => $newid,
 959                                 'text'      => wfMsg( 'mainpagetext' ) . "\n\n" . wfMsgNoTrans( 'mainpagedocfooter' ),
 960                                 'comment'   => '',
 961                                 'user'      => 0,
 962                                 'user_text' => 'MediaWiki default',
 963                                 ) );
 964                         $revid = $revision->insertOn( $wgDatabase );
 965                         $article->updateRevisionOn( $wgDatabase, $revision );
 966                 }
 967
 968                 /* Write out the config file now that all is well */
 969                 print "<li style=\"list-style: none\">\n";
 970                 print "<p>Creating LocalSettings.php...</p>\n\n";
 971                 $localSettings = "<" . "?php$endl$local$endl\r\n";
 972                 // Fix up a common line-ending problem (due to CVS on Windows)
 973                 $localSettings = str_replace( "\r\n", "\n", $localSettings );
 974                 $f = fopen( "LocalSettings.php", 'xt' );
 975
 976                 if( $f == false ) {
 977                         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" .
 978                         "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
 979                         "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
 980                 }
 981                 if(fwrite( $f, $localSettings ) ) {
 982                         fclose( $f );
 983                         writeSuccessMessage();
 984                 } else {
 985                         fclose( $f );
 986                         die("<p class='error'>An error occured while writing the config/LocalSettings.php file. Check user rights and disk space then try again.</p>\n");
 987
 988                 }
 989                 print "</li>\n";
 990
 991         } while( false );
 992 }
 993 ?>
 994 </ul>
 995
 996
 997 <?php
 998
 999 if( count( $errs ) ) {
1000         /* Display options form */
1001
1002         if( $conf->posted ) {
1003                 echo "<p class='error-top'>Something's not quite right yet; make sure everything below is filled out correctly.</p>\n";
1004         }
1005 ?>
1006
1007 <form action="index.php" name="config" method="post">
1008
1009
1010 <h2>Site config</h2>
1011
1012 <div class="config-section">
1013         <div class="config-input">
1014                 <?php
1015                 aField( $conf, "Sitename", "Wiki name:" );
1016                 ?>
1017         </div>
1018         <p class="config-desc">
1019                 Preferably a short word without punctuation, i.e. "Wikipedia".<br />
1020                 Will appear as the namespace name for "meta" pages, and throughout the interface.
1021         </p>
1022
1023         <div class="config-input">
1024                 <?php
1025                 aField( $conf, "EmergencyContact", "Contact e-mail:" );
1026                 ?>
1027         </div>
1028         <p class="config-desc">
1029                 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.
1030         </p>
1031
1032         <div class="config-input">
1033                 <label class='column' for="LanguageCode">Language:</label>
1034                 <select id="LanguageCode" name="LanguageCode">
1035
1036                 <?php
1037                         $list = getLanguageList();
1038                         foreach( $list as $code => $name ) {
1039                                 $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
1040                                 echo "\t\t<option value=\"$code\" $sel>$name</option>\n";
1041                         }
1042                 ?>
1043                 </select>
1044         </div>
1045         <p class="config-desc">
1046                 Select the language for your wiki's interface. Some localizations aren't fully complete. Unicode (UTF-8) is used for all localizations.
1047         </p>
1048
1049         <div class="config-input">
1050                 <label class='column'>Copyright/license:</label>
1051
1052                 <ul class="plain">
1053                 <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
1054                 <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl" ); ?></li>
1055                 <li><?php
1056                         aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
1057                         $partner = "MediaWiki";
1058                         $exit = urlencode( "$wgServer{$conf->ScriptPath}/config/index.php?License=cc&RightsUrl=[license_url]&RightsText=[license_name]&RightsCode=[license_code]&RightsIcon=[license_button]" );
1059                         $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
1060                         $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
1061                         print "<a href=\"$ccApp\" target='_blank'>choose</a>";
1062                         ?>
1063                 <?php if( $conf->License == "cc" ) { ?>
1064                         <ul>
1065                                 <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
1066                                 <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
1067                                 <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
1068                                 <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
1069                         </ul>
1070                 <?php } ?>
1071                         </li>
1072                 </ul>
1073         </div>
1074         <p class="config-desc">
1075                 A notice, icon, and machine-readable copyright metadata will be displayed for the license you pick.
1076         </p>
1077
1078
1079         <div class="config-input">
1080                 <?php aField( $conf, "SysopName", "Admin username:" ) ?>
1081         </div>
1082         <div class="config-input">
1083                 <?php aField( $conf, "SysopPass", "Password:", "password" ) ?>
1084         </div>
1085         <div class="config-input">
1086                 <?php aField( $conf, "SysopPass2", "Password confirm:", "password" ) ?>
1087         </div>
1088         <p class="config-desc">
1089                 An admin can lock/delete pages, block users from editing, and do other maintenance tasks.<br />
1090                 A new account will be added only when creating a new wiki database.
1091         </p>
1092
1093         <div class="config-input">
1094                 <label class='column'>Shared memory caching:</label>
1095
1096                 <ul class="plain">
1097                 <li><?php aField( $conf, "Shm", "No caching", "radio", "none" ); ?></li>
1098                 <?php
1099                         if ( $conf->turck ) {
1100                                 echo "<li>";
1101                                 aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
1102                                 echo "</li>";
1103                         }
1104                         if ( $conf->apc ) {
1105                                 echo "<li>";
1106                                 aField( $conf, "Shm", "APC", "radio", "apc" );
1107                                 echo "</li>";
1108                         }
1109                         if ( $conf->eaccel ) {
1110                                 echo "<li>";
1111                                 aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
1112                                 echo "</li>";
1113                         }
1114                 ?>
1115                 <li><?php aField( $conf, "Shm", "Memcached", "radio", "memcached" ); ?></li>
1116                 </ul>
1117                 <div style="clear:left"><?php aField( $conf, "MCServers", "Memcached servers:", "text" ) ?></div>
1118         </div>
1119         <p class="config-desc">
1120                 Using a shared memory system such as Turck MMCache, APC, eAccelerator, or Memcached
1121                 will speed up MediaWiki significantly. Memcached is the best solution but needs to be
1122                 installed. Specify the server addresses and ports in a comma-separated list. Only
1123                 use Turck shared memory if the wiki will be running on a single Apache server.
1124         </p>
1125 </div>
1126
1127 <h2>E-mail, e-mail notification and authentication setup</h2>
1128
1129 <div class="config-section">
1130         <div class="config-input">
1131                 <label class='column'>E-mail features (global):</label>
1132                 <ul class="plain">
1133                 <li><?php aField( $conf, "Email", "Enabled", "radio", "email_enabled" ); ?></li>
1134                 <li><?php aField( $conf, "Email", "Disabled", "radio", "email_disabled" ); ?></li>
1135                 </ul>
1136         </div>
1137         <p class="config-desc">
1138                 Use this to disable all e-mail functions (password reminders, user-to-user e-mail, and e-mail notifications)
1139                 if sending mail doesn't work on your server.
1140         </p>
1141
1142         <div class="config-input">
1143                 <label class='column'>User-to-user e-mail:</label>
1144                 <ul class="plain">
1145                 <li><?php aField( $conf, "Emailuser", "Enabled", "radio", "emailuser_enabled" ); ?></li>
1146                 <li><?php aField( $conf, "Emailuser", "Disabled", "radio", "emailuser_disabled" ); ?></li>
1147                 </ul>
1148         </div>
1149         <p class="config-desc">
1150                 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.
1151         </p>
1152         <div class="config-input">
1153                 <label class='column'>E-mail notification about changes:</label>
1154                 <ul class="plain">
1155                 <li><?php aField( $conf, "Enotif", "Disabled", "radio", "enotif_disabled" ); ?></li>
1156                 <li><?php aField( $conf, "Enotif", "Enabled for changes to user discussion pages only", "radio", "enotif_usertalk" ); ?></li>
1157                 <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>
1158                 </ul>
1159         </div>
1160         <div class="config-desc">
1161                 <p>
1162                 For this feature to work, an e-mail address must be present for the user account, and the notification
1163                 options in the user's preferences must be enabled. Also note the
1164                 authentication option below. When testing the feature, keep in mind that your own changes will never trigger notifications to be sent to yourself.</p>
1165
1166                 <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>
1167         </div>
1168
1169         <div class="config-input">
1170                 <label class='column'>E-mail address authentication:</label>
1171                 <ul class="plain">
1172                 <li><?php aField( $conf, "Eauthent", "Disabled", "radio", "eauthent_disabled" ); ?></li>
1173                 <li><?php aField( $conf, "Eauthent", "Enabled", "radio", "eauthent_enabled" ); ?></li>
1174                 </ul>
1175         </div>
1176         <div class="config-desc">
1177                 <p>If this option is enabled, users have to confirm their e-mail address using a magic link sent to them whenever they set or change it, and only authenticated e-mail addresses can receive mails from other users and/or
1178                 change notification mails. Setting this option is <B>recommended</B> for public wikis because of potential abuse of the e-mail features above.</p>
1179         </div>
1180
1181 </div>
1182
1183 <h2>Database config</h2>
1184
1185 <div class="config-section">
1186 <div class="config-input">
1187                 <label class='column'>Database type:</label>
1188 <?php if (isset($errs['DBpicktype'])) print "<span class='error'>$errs[DBpicktype]</span>\n"; ?>
1189                 <ul class='plain'><?php database_picker($conf) ?></ul>
1190         </div>
1191
1192         <div class="config-input" style="clear:left"><?php
1193                 aField( $conf, "DBserver", "Database host:" );
1194         ?></div>
1195         <p class="config-desc">
1196                 If your database server isn't on your web server, enter the name or IP address here.
1197         </p>
1198
1199         <div class="config-input"><?php
1200                 aField( $conf, "DBname", "Database name:" );
1201         ?></div>
1202         <div class="config-input"><?php
1203                 aField( $conf, "DBuser", "DB username:" );
1204         ?></div>
1205         <div class="config-input"><?php
1206                 aField( $conf, "DBpassword", "DB password:", "password" );
1207         ?></div>
1208         <div class="config-input"><?php
1209                 aField( $conf, "DBpassword2", "DB password confirm:", "password" );
1210         ?></div>
1211         <p class="config-desc">
1212                 If you only have a single user account and database available,
1213                 enter those here. If you have database root access (see below)
1214                 you can specify new accounts/databases to be created. This account
1215                 will not be created if it pre-exists. If this is the case, ensure that it
1216                 has SELECT, INSERT, UPDATE, and DELETE permissions on the MediaWiki database.
1217         </p>
1218
1219         <div class="config-input">
1220                 <label class="column">Superuser account:</label>
1221                 <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?>/>
1222                 &nbsp;<label for="useroot">Use superuser account</label>
1223         </div>
1224         <div class="config-input">
1225                 <?php
1226                 aField( $conf, "RootUser", "Superuser name:", "superuser" );
1227                 ?>
1228         </div>
1229         <div class="config-input">
1230                 <?php
1231                 aField( $conf, "RootPW", "Superuser password:", "password" );
1232                 ?>
1233         </div>
1234
1235         <p class="config-desc">
1236                 If the database user specified above does not exist, or does not have access to create
1237                 the database (if needed) or tables within it, please check the box and provide details
1238                 of a superuser account, such as <strong>root</strong>, which does.
1239         </p>
1240
1241         <?php database_switcher('mysql'); ?>
1242         <div class="config-input"><?php
1243                 aField( $conf, "DBprefix", "Database table prefix:" );
1244         ?></div>
1245         <div class="config-desc">
1246                 <p>If you need to share one database between multiple wikis, or
1247                 between MediaWiki and another web application, you may choose to
1248                 add a prefix to all the table names to avoid conflicts.</p>
1249
1250                 <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
1251         </div>
1252
1253         <div class="config-input"><label class="column">Database charset</label>
1254                 <div>Select one:</div>
1255                 <ul class="plain">
1256                 <li><?php aField( $conf, "DBschema", "Backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
1257                 <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
1258                 <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
1259                 </ul>
1260         </div>
1261         <p class="config-desc">
1262                 <b>EXPERIMENTAL:</b> You can enable explicit Unicode charset support
1263                 for MySQL 4.1 and 5.0 servers. This is not well tested and may
1264                 cause things to break. <b>If upgrading an older installation, leave
1265                 in backwards-compatible mode.</b>
1266         </p>
1267         </div>
1268
1269         <?php database_switcher('postgres'); ?>
1270         <div class="config-input"><?php
1271                 aField( $conf, "DBport", "Database port:" );
1272         ?></div>
1273         <div class="config-input"><?php
1274                 aField( $conf, "DBmwschema", "Schema for mediawiki:" );
1275         ?></div>
1276         <div class="config-input"><?php
1277                 aField( $conf, "DBts2schema", "Schema for tsearch2:" );
1278         ?></div>
1279         <div class="config-desc">
1280                 <p>The username specified above (at "DB username") will have its search path set to the above schemas,
1281                 so it is recommended that you create a new user. The above schemas are generally correct:
1282         only change them if you are sure you need to.</p>
1283         </div>
1284         </div>
1285
1286         <div class="config-input" style="padding:2em 0 3em">
1287                 <label class='column'>&nbsp;</label>
1288                 <input type="submit" value="Install MediaWiki!" class="btn-install" />
1289         </div>
1290
1291 </div>
1292
1293 <script type="text/javascript">
1294 window.onload = toggleDBarea('<?php echo $conf->DBtype; ?>',
1295 <?php
1296         ## If they passed in a root user name, don't populate it on page load
1297         echo strlen(importPost('RootUser', '')) ? 0 : 1;
1298 ?>);
1299 </script>
1300
1301 </form>
1302
1303 <?php
1304 }
1305
1306 /* -------------------------------------------------------------------------------------- */
1307 function writeSuccessMessage() {
1308         if ( ini_get( 'safe_mode' ) && !ini_get( 'open_basedir' ) ) {
1309                 echo <<<EOT
1310 <p>Installation successful!</p>
1311 <p>To complete the installation, please do the following:
1312 <ol>
1313         <li>Download config/LocalSettings.php with your FTP client or file manager</li>
1314         <li>Upload it to the parent directory</li>
1315         <li>Delete config/LocalSettings.php</li>
1316         <li>Start using <a href='../index.php'>your wiki</a>!
1317 </ol>
1318 <p>If you are in a shared hosting environment, do <strong>not</strong> just move LocalSettings.php
1319 remotely. LocalSettings.php is currently owned by the user your webserver is running under,
1320 which means that anyone on the same server can read your database password! Downloading
1321 it and uploading it again will hopefully change the ownership to a user ID specific to you.</p>
1322 EOT;
1323         } else {
1324                 echo "<p><span style='font-weight:bold;color:green;font-size:110%'>Installation successful!</span> Move the <tt>config/LocalSettings.php</tt> file into the parent directory, then follow
1325                         <strong><a href='../index.php'>this link</a></strong> to your wiki.</p>\n";
1326         }
1327 }
1328
1329
1330 function escapePhpString( $string ) {
1331         return strtr( $string,
1332                 array(
1333                         "\n" => "\\n",
1334                         "\r" => "\\r",
1335                         "\t" => "\\t",
1336                         "\\" => "\\\\",
1337                         "\$" => "\\\$",
1338                         "\"" => "\\\""
1339                 ));
1340 }
1341
1342 function writeLocalSettings( $conf ) {
1343         $conf->PasswordSender = $conf->EmergencyContact;
1344         $magic = ($conf->ImageMagick ? "" : "# ");
1345         $convert = ($conf->ImageMagick ? $conf->ImageMagick : "/usr/bin/convert" );
1346         $rights = ($conf->RightsUrl) ? "" : "# ";
1347         $hashedUploads = $conf->safeMode ? '' : '# ';
1348
1349         switch ( $conf->Shm ) {
1350                 case 'memcached':
1351                         $cacheType = 'CACHE_MEMCACHED';
1352                         $mcservers = var_export( $conf->MCServerArray, true );
1353                         break;
1354                 case 'turck':
1355                 case 'apc':
1356                 case 'eaccel':
1357                         $cacheType = 'CACHE_ACCEL';
1358                         $mcservers = 'array()';
1359                         break;
1360                 default:
1361                         $cacheType = 'CACHE_NONE';
1362                         $mcservers = 'array()';
1363         }
1364
1365         if ( $conf->Email == 'email_enabled' ) {
1366                 $enableemail = 'true';
1367                 $enableuseremail = ( $conf->Emailuser == 'emailuser_enabled' ) ? 'true' : 'false' ;
1368                 $eauthent = ( $conf->Eauthent == 'eauthent_enabled' ) ? 'true' : 'false' ;
1369                 switch ( $conf->Enotif ) {
1370                         case 'enotif_usertalk':
1371                                 $enotifusertalk = 'true';
1372                                 $enotifwatchlist = 'false';
1373                                 break;
1374                         case 'enotif_allpages':
1375                                 $enotifusertalk = 'true';
1376                                 $enotifwatchlist = 'true';
1377                                 break;
1378                         default:
1379                                 $enotifusertalk = 'false';
1380                                 $enotifwatchlist = 'false';
1381                 }
1382         } else {
1383                 $enableuseremail = 'false';
1384                 $enableemail = 'false';
1385                 $eauthent = 'false';
1386                 $enotifusertalk = 'false';
1387                 $enotifwatchlist = 'false';
1388         }
1389
1390         $file = @fopen( "/dev/urandom", "r" );
1391         if ( $file ) {
1392                 $secretKey = bin2hex( fread( $file, 32 ) );
1393                 fclose( $file );
1394         } else {
1395                 $secretKey = "";
1396                 for ( $i=0; $i<8; $i++ ) {
1397                         $secretKey .= dechex(mt_rand(0, 0x7fffffff));
1398                 }
1399                 print "<li>Warning: \$wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.</li>\n";
1400         }
1401
1402         # Add slashes to strings for double quoting
1403         $slconf = array_map( "escapePhpString", get_object_vars( $conf ) );
1404         if( $conf->License == 'gfdl' ) {
1405                 # Needs literal string interpolation for the current style path
1406                 $slconf['RightsIcon'] = $conf->RightsIcon;
1407         }
1408
1409         $localsettings = "
1410 # This file was automatically generated by the MediaWiki installer.
1411 # If you make manual changes, please keep track in case you need to
1412 # recreate them later.
1413 #
1414 # See includes/DefaultSettings.php for all configurable settings
1415 # and their default values, but don't forget to make changes in _this_
1416 # file, not there.
1417
1418 # If you customize your file layout, set \$IP to the directory that contains
1419 # the other MediaWiki files. It will be used as a base to locate files.
1420 if( defined( 'MW_INSTALL_PATH' ) ) {
1421         \$IP = MW_INSTALL_PATH;
1422 } else {
1423         \$IP = dirname( __FILE__ );
1424 }
1425
1426 \$path = array( \$IP, \"\$IP/includes\", \"\$IP/languages\" );
1427 set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_include_path() );
1428
1429 require_once( \"includes/DefaultSettings.php\" );
1430
1431 # If PHP's memory limit is very low, some operations may fail.
1432 " . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
1433
1434 if ( \$wgCommandLineMode ) {
1435         if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
1436                 die( \"This script must be run from the command line\\n\" );
1437         }
1438 }
1439 ## Uncomment this to disable output compression
1440 # \$wgDisableOutputCompression = true;
1441
1442 \$wgSitename         = \"{$slconf['Sitename']}\";
1443
1444 ## The URL base path to the directory containing the wiki;
1445 ## defaults for all runtime URL paths are based off of this.
1446 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
1447
1448 ## For more information on customizing the URLs please see:
1449 ## http://www.mediawiki.org/wiki/Manual:Short_URL
1450
1451 \$wgEnableEmail      = $enableemail;
1452 \$wgEnableUserEmail  = $enableuseremail;
1453
1454 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
1455 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
1456
1457 ## For a detailed description of the following switches see
1458 ## http://meta.wikimedia.org/Enotif and http://meta.wikimedia.org/Eauthent
1459 ## There are many more options for fine tuning available see
1460 ## /includes/DefaultSettings.php
1461 ## UPO means: this is also a user preference option
1462 \$wgEnotifUserTalk = $enotifusertalk; # UPO
1463 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
1464 \$wgEmailAuthentication = $eauthent;
1465
1466 \$wgDBtype           = \"{$slconf['DBtype']}\";
1467 \$wgDBserver         = \"{$slconf['DBserver']}\";
1468 \$wgDBname           = \"{$slconf['DBname']}\";
1469 \$wgDBuser           = \"{$slconf['DBuser']}\";
1470 \$wgDBpassword       = \"{$slconf['DBpassword']}\";
1471
1472 # MySQL specific settings
1473 \$wgDBprefix         = \"{$slconf['DBprefix']}\";
1474
1475 # MySQL table options to use during installation or update
1476 \$wgDBTableOptions   = \"{$slconf['DBTableOptions']}\";
1477
1478 # Experimental charset support for MySQL 4.1/5.0.
1479 \$wgDBmysql5 = {$conf->DBmysql5};
1480
1481 # Postgres specific settings
1482 \$wgDBport           = \"{$slconf['DBport']}\";
1483 \$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
1484 \$wgDBts2schema      = \"{$slconf['DBts2schema']}\";
1485
1486 ## Shared memory settings
1487 \$wgMainCacheType = $cacheType;
1488 \$wgMemCachedServers = $mcservers;
1489
1490 ## To enable image uploads, make sure the 'images' directory
1491 ## is writable, then set this to true:
1492 \$wgEnableUploads       = false;
1493 {$magic}\$wgUseImageMagick = true;
1494 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
1495
1496 ## If you want to use image uploads under safe mode,
1497 ## create the directories images/archive, images/thumb and
1498 ## images/temp, and make them all writable. Then uncomment
1499 ## this, if it's not already uncommented:
1500 {$hashedUploads}\$wgHashedUploadDirectory = false;
1501
1502 ## If you have the appropriate support software installed
1503 ## you can enable inline LaTeX equations:
1504 \$wgUseTeX           = false;
1505
1506 \$wgLocalInterwiki   = \$wgSitename;
1507
1508 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
1509
1510 \$wgProxyKey = \"$secretKey\";
1511
1512 ## Default skin: you can change the default skin. Use the internal symbolic
1513 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
1514 \$wgDefaultSkin = 'monobook';
1515
1516 ## For attaching licensing metadata to pages, and displaying an
1517 ## appropriate copyright notice / icon. GNU Free Documentation
1518 ## License and Creative Commons licenses are supported so far.
1519 {$rights}\$wgEnableCreativeCommonsRdf = true;
1520 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
1521 \$wgRightsUrl = \"{$slconf['RightsUrl']}\";
1522 \$wgRightsText = \"{$slconf['RightsText']}\";
1523 \$wgRightsIcon = \"{$slconf['RightsIcon']}\";
1524 # \$wgRightsCode = \"{$slconf['RightsCode']}\"; # Not yet used
1525
1526 \$wgDiff3 = \"{$slconf['diff3']}\";
1527
1528 # When you make changes to this configuration file, this will make
1529 # sure that cached pages are cleared.
1530 \$configdate = gmdate( 'YmdHis', @filemtime( __FILE__ ) );
1531 \$wgCacheEpoch = max( \$wgCacheEpoch, \$configdate );
1532         "; ## End of setting the $localsettings string
1533
1534         // Keep things in Unix line endings internally;
1535         // the system will write out as local text type.
1536         return str_replace( "\r\n", "\n", $localsettings );
1537 }
1538
1539 function dieout( $text ) {
1540         die( $text . "\n\n</body>\n</html>" );
1541 }
1542
1543 function importVar( &$var, $name, $default = "" ) {
1544         if( isset( $var[$name] ) ) {
1545                 $retval = $var[$name];
1546                 if ( get_magic_quotes_gpc() ) {
1547                         $retval = stripslashes( $retval );
1548                 }
1549         } else {
1550                 $retval = $default;
1551         }
1552         return $retval;
1553 }
1554
1555 function importPost( $name, $default = "" ) {
1556         return importVar( $_POST, $name, $default );
1557 }
1558
1559 function importCheck( $name ) {
1560         return isset( $_POST[$name] );
1561 }
1562
1563 function importRequest( $name, $default = "" ) {
1564         return importVar( $_REQUEST, $name, $default );
1565 }
1566
1567 $radioCount = 0;
1568
1569 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
1570         global $radioCount;
1571         if( $type != "" ) {
1572                 $xtype = "type=\"$type\"";
1573         } else {
1574                 $xtype = "";
1575         }
1576
1577         $id = $field;
1578         $nolabel = ($type == "radio") || ($type == "hidden");
1579
1580         if ($type == 'radio')
1581                 $id .= $radioCount++;
1582
1583         if( $nolabel ) {
1584                 echo "\t\t<label>";
1585         } else {
1586                 echo "\t\t<label class='column' for=\"$id\">$text</label>\n";
1587         }
1588
1589         if( $type == "radio" && $value == $conf->$field ) {
1590                 $checked = "checked='checked'";
1591         } else {
1592                 $checked = "";
1593         }
1594         echo "\t\t<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
1595         if ($onclick) {
1596                 echo " onclick='toggleDBarea(\"$value\",1)' " ;
1597         }
1598         echo "value=\"";
1599         if( $type == "radio" ) {
1600                 echo htmlspecialchars( $value );
1601         } else {
1602                 echo htmlspecialchars( $conf->$field );
1603         }
1604
1605
1606         echo "\" />\n";
1607         if( $nolabel ) {
1608                 echo " $text</label>\n";
1609         }
1610
1611         global $errs;
1612         if(isset($errs[$field])) echo "<span class='error'>" . $errs[$field] . "</span>\n";
1613 }
1614
1615 function getLanguageList() {
1616         global $wgLanguageNames;
1617         if( !isset( $wgLanguageNames ) ) {
1618                 require_once( "languages/Names.php" );
1619         }
1620
1621         $codes = array();
1622
1623         $d = opendir( "../languages/messages" );
1624         /* In case we are called from the root directory */
1625         if (!$d)
1626                 $d = opendir( "languages/messages");
1627         while( false !== ($f = readdir( $d ) ) ) {
1628                 $m = array();
1629                 if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
1630                         $code = str_replace( '_', '-', strtolower( $m[1] ) );
1631                         if( isset( $wgLanguageNames[$code] ) ) {
1632                                 $name = $code . ' - ' . $wgLanguageNames[$code];
1633                         } else {
1634                                 $name = $code;
1635                         }
1636                         $codes[$code] = $name;
1637                 }
1638         }
1639         closedir( $d );
1640         ksort( $codes );
1641         return $codes;
1642 }
1643
1644 #Check for location of an executable
1645 # @param string $loc single location to check
1646 # @param array $names filenames to check for.
1647 # @param mixed $versioninfo array of details to use when checking version, use false for no version checking
1648 function locate_executable($loc, $names, $versioninfo = false) {
1649         if (!is_array($names))
1650                 $names = array($names);
1651
1652         foreach ($names as $name) {
1653                 $command = "$loc".DIRECTORY_SEPARATOR."$name";
1654                 if (file_exists($command)) {
1655                         if (!$versioninfo)
1656                                 return $command;
1657
1658                         $file = str_replace('$1', $command, $versioninfo[0]);
1659                         if (strstr(`$file`, $versioninfo[1]) !== false)
1660                                 return $command;
1661                 }
1662         }
1663         return false;
1664 }
1665
1666 # Test a memcached server
1667 function testMemcachedServer( $server ) {
1668         $hostport = explode(":", $server);
1669         $errstr = false;
1670         $fp = false;
1671         if ( !function_exists( 'fsockopen' ) ) {
1672                 $errstr = "Can't connect to memcached, fsockopen() not present";
1673         }
1674         if ( !$errstr && count( $hostport ) != 2 ) {
1675                 $errstr = 'Please specify host and port';
1676                 var_dump( $hostport );
1677         }
1678         if ( !$errstr ) {
1679                 list( $host, $port ) = $hostport;
1680                 $errno = 0;
1681                 $fsockerr = '';
1682
1683                 $fp = @fsockopen( $host, $port, $errno, $fsockerr, 1.0 );
1684                 if ( $fp === false ) {
1685                         $errstr = "Cannot connect to memcached on $host:$port : $fsockerr";
1686                 }
1687         }
1688         if ( !$errstr ) {
1689                 $command = "version\r\n";
1690                 $bytes = fwrite( $fp, $command );
1691                 if ( $bytes != strlen( $command ) ) {
1692                         $errstr = "Cannot write to memcached socket on $host:$port";
1693                 }
1694         }
1695         if ( !$errstr ) {
1696                 $expected = "VERSION ";
1697                 $response = fread( $fp, strlen( $expected ) );
1698                 if ( $response != $expected ) {
1699                         $errstr = "Didn't get correct memcached response from $host:$port";
1700                 }
1701         }
1702         if ( $fp ) {
1703                 fclose( $fp );
1704         }
1705         if ( !$errstr ) {
1706                 echo "<li>Connected to memcached on $host:$port successfully";
1707         }
1708         return $errstr;
1709 }
1710
1711 function database_picker($conf) {
1712         global $ourdb;
1713         print "\n";
1714         foreach(array_keys($ourdb) as $db) {
1715                 if ($ourdb[$db]['havedriver']) {
1716                         print "<li>";
1717                         aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
1718                         print "</li>\n";
1719                 }
1720         }
1721         print "\n";
1722 }
1723
1724 function database_switcher($db) {
1725         global $ourdb;
1726         $color = $ourdb[$db]['bgcolor'];
1727         $full = $ourdb[$db]['fullname'];
1728         print "<div id='$db' style='display:none; background: $color'>\n";
1729         print "<h3>$full specific options:</h3>\n";
1730 }
1731
1732 function printListItem( $item ) {
1733         print "<li>$item</li>";
1734 }
1735
1736 ?>
1737
1738         <div class="license">
1739         <hr>
1740         <p>This program is free software; you can redistribute it and/or modify
1741          it under the terms of the GNU General Public License as published by
1742          the Free Software Foundation; either version 2 of the License, or
1743          (at your option) any later version.</p>
1744
1745          <p>This program is distributed in the hope that it will be useful,
1746          but WITHOUT ANY WARRANTY; without even the implied warranty of
1747          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1748          GNU General Public License for more details.</p>
1749
1750          <p>You should have received <a href="../COPYING">a copy of the GNU General Public License</a>
1751          along with this program; if not, write to the Free Software
1752          Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
1753          or <a href="http://www.gnu.org/copyleft/gpl.html">read it online</a></p>
1754         </div>
1755
1756 </div></div></div>
1757
1758
1759 <div id="column-one">
1760         <div class="portlet" id="p-logo">
1761           <a style="background-image: url(../skins/common/images/mediawiki.png);"
1762             href="http://www.mediawiki.org/"
1763             title="Main Page"></a>
1764         </div>
1765         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
1766         <div class='portlet'><div class='pBody'>
1767                 <ul>
1768                         <li><strong><a href="http://www.mediawiki.org/">MediaWiki home</a></strong></li>
1769                         <li><a href="../README">Readme</a></li>
1770                         <li><a href="../RELEASE-NOTES">Release notes</a></li>
1771                         <li><a href="../docs/">Documentation</a></li>
1772                         <li><a href="http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide">User's Guide</a></li>
1773                         <li><a href="http://meta.wikimedia.org/wiki/MediaWiki_FAQ">FAQ</a></li>
1774                 </ul>
1775                 <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright &copy; 2001-2007 by Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik M&ouml;ller, Gabriel Wicke and others.</p>
1776         </div></div>
1777 </div>
1778
1779 </div>
1780
1781 </body>
1782 </html>