install.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * This script creates config.php file during installation.
  20  *
  21  * @package    moodlecore
  22  * @subpackage install
  23  * @copyright  2009 Petr Skoda (http://skodak.org)
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 if (isset($_REQUEST['lang'])) {
  28     $lang = preg_replace('/[^A-Za-z0-9_-]/i', '', $_REQUEST['lang']);
  29 } else {
  30     $lang = 'en_utf8';
  31 }
  32
  33 if (isset($_REQUEST['admin'])) {
  34     $admin = preg_replace('/[^A-Za-z0-9_-]/i', '', $_REQUEST['admin']);
  35 } else {
  36     $admin = 'admin';
  37 }
  38
  39 // If config.php exists we just created config.php and need to redirect to continue installation
  40 $configfile = './config.php';
  41 if (file_exists($configfile)) {
  42     header("Location: $admin/index.php?lang=$lang");
  43     die;
  44 }
  45
  46 // make sure PHP errors are displayed - helps with diagnosing of problems
  47 @error_reporting(E_ALL);
  48 @ini_set('display_errors', '1');
  49
  50 // Check that PHP is of a sufficient version
  51 if (version_compare(phpversion(), "5.2.0") < 0) {
  52     $phpversion = phpversion();
  53     // do NOT localise - lang strings would not work here and we CAN not move it after installib
  54     echo "Sorry, Moodle 2.0 requires PHP 5.2.8 or later (currently using version $phpversion).<br />";
  55     echo "Please upgrade your server software or install latest Moodle 1.9.x instead.";
  56     die;
  57 }
  58
  59 if (PHP_INT_SIZE > 4) {
  60     // most probably 64bit PHP - we need a lot more memory
  61     $minrequiredmemory = '70M';
  62 } else {
  63     // 32bit PHP
  64     $minrequiredmemory = '40M';
  65 }
  66 // increase or decrease available memory - we need to make sure moodle
  67 // installs even with low memory, otherwise developers would overlook
  68 // sudden increases of memory needs ;-)
  69 @ini_set('memory_limit', $minrequiredmemory);
  70
  71 require dirname(__FILE__).'/lib/installlib.php';
  72
  73 // TODO: add lang detection here if empty $_REQUEST['lang']
  74
  75 // distro specific customisation
  76 $distro = null;
  77 if (file_exists('install/distrolib.php')) {
  78     require_once('install/distrolib.php');
  79     if (function_exists('distro_get_config')) {
  80         $distro = distro_get_config();
  81     }
  82 }
  83
  84 $config = new stdClass();
  85 $config->lang = $lang;
  86
  87 if (!empty($_POST)) {
  88     if (install_ini_get_bool('magic_quotes_gpc')) {
  89         $_POST = array_map('stripslashes', $_POST);
  90     }
  91
  92     $config->stage = (int)$_POST['stage'];
  93
  94     if (isset($_POST['previous'])) {
  95         $config->stage--;
  96         if (INSTALL_DATABASETYPE and !empty($distro->dbtype)) {
  97             $config->stage--;
  98         }
  99         if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_DOWNLOADLANG) {
 100             $config->stage--;
 101         }
 102     } else if (isset($_POST['next'])) {
 103         $config->stage++;
 104     }
 105
 106     $config->dbtype   = trim($_POST['dbtype']);
 107     $config->dbhost   = trim($_POST['dbhost']);
 108     $config->dbuser   = trim($_POST['dbuser']);
 109     $config->dbpass   = trim($_POST['dbpass']);
 110     $config->dbname   = trim($_POST['dbname']);
 111     $config->prefix   = trim($_POST['prefix']);
 112     $config->dbsocket = (int)(!empty($_POST['dbsocket']));
 113
 114     $config->dirroot  = trim($_POST['dirroot']);
 115     $config->admin    = empty($_POST['admin']) ? 'admin' : trim($_POST['admin']);
 116
 117     $config->dataroot = trim($_POST['dataroot']);
 118
 119 } else {
 120     $config->stage    = INSTALL_WELCOME;
 121
 122     $config->dbtype   = empty($distro->dbtype) ? '' : $distro->dbtype; // let distro skip dbtype selection
 123     $config->dbhost   = empty($distro->dbhost) ? 'localhost' : $distro->dbhost; // let distros set dbhost
 124     $config->dbuser   = empty($distro->dbuser) ? '' : $distro->dbuser; // let distros set dbuser
 125     $config->dbpass   = '';
 126     $config->dbname   = 'moodle';
 127     $config->prefix   = 'mdl_';
 128     $config->dbsocket = 0;
 129
 130     $config->dirroot  = str_replace('\\', '/', dirname(__FILE__)); // Fix for win32
 131     $config->admin    = 'admin';
 132
 133     $config->dataroot = empty($distro->dataroot) ? null  : $distro->dataroot; // initialised later after including libs or by distro
 134 }
 135
 136 // Fake some settings so that we can use selected functions from moodlelib.php and weblib.php
 137 $CFG = new stdClass();
 138 $CFG->lang                 = $config->lang;
 139 $CFG->dirroot              = str_replace('\\', '/', dirname(__FILE__)); // Fix for win32
 140 $CFG->libdir               = "$CFG->dirroot/lib";
 141 $CFG->wwwroot              = install_guess_wwwroot(); // can not be changed - ppl must use the real address when installing
 142 $CFG->httpswwwroot         = $CFG->wwwroot;
 143 $CFG->dataroot             = $config->dataroot;
 144 $CFG->admin                = $config->admin;
 145 $CFG->docroot              = 'http://docs.moodle.org';
 146 $CFG->directorypermissions = 00777;
 147 $CFG->running_installer    = true;
 148
 149 // Require all needed libs
 150 require_once($CFG->libdir.'/setuplib.php');
 151
 152 // we need to make sure we have enough memory to load all libraries
 153 $memlimit = @ini_get('memory_limit');
 154 if (!empty($memlimit) and $memlimit != -1) {
 155     if (get_real_size($memlimit) < get_real_size($minrequiredmemory)) {
 156         // do NOT localise - lang strings would not work here and we CAN not move it to later place
 157         echo "Sorry, Moodle 2.0 requires at least {$minrequiredmemory}B of PHP memory.<br />";
 158         echo "Please contact server administrator to fix PHP.ini memory settings.";
 159         die;
 160     }
 161 }
 162
 163 // Continue with lib loading
 164 require_once($CFG->libdir.'/textlib.class.php');
 165 require_once($CFG->libdir.'/weblib.php');
 166 require_once($CFG->libdir.'/outputlib.php');
 167 require_once($CFG->libdir.'/dmllib.php');
 168 require_once($CFG->libdir.'/moodlelib.php');
 169 require_once($CFG->libdir .'/pagelib.php');
 170 require_once($CFG->libdir.'/deprecatedlib.php');
 171 require_once($CFG->libdir.'/adminlib.php');
 172 require_once($CFG->libdir.'/environmentlib.php');
 173 require_once($CFG->libdir.'/xmlize.php');
 174 require_once($CFG->libdir.'/componentlib.class.php');
 175
 176     //point pear include path to moodles lib/pear so that includes and requires will search there for files before anywhere else
 177     //the problem is that we need specific version of quickforms and hacked excel files :-(
 178     ini_set('include_path', $CFG->libdir.'/pear' . PATH_SEPARATOR . ini_get('include_path'));
 179     //point zend include path to moodles lib/zend so that includes and requires will search there for files before anywhere else
 180     ini_set('include_path', $CFG->libdir.'/zend' . PATH_SEPARATOR . ini_get('include_path'));
 181
 182 require('version.php');
 183 $CFG->target_release = $release;
 184
 185 $SESSION = new object();
 186 $SESSION->lang = $CFG->lang;
 187
 188 $USER = new object();
 189 $USER->id = 0;
 190
 191 $COURSE = new object();
 192 $COURSE->id = 0;
 193
 194 $SITE = $COURSE;
 195 define('SITEID', 0);
 196
 197 $hint_dataroot = '';
 198 $hint_dirroot  = '';
 199 $hint_admindir = '';
 200 $hint_database = '';
 201
 202 // Are we in help mode?
 203 if (isset($_GET['help'])) {
 204     install_print_help_page($_GET['help']);
 205 }
 206
 207 // send css?
 208 if (isset($_GET['css'])) {
 209     install_css_styles();
 210 }
 211
 212 //first time here? find out suitable dataroot
 213 if (is_null($CFG->dataroot)) {
 214     $CFG->dataroot = str_replace('\\', '/', dirname(dirname(__FILE__)).'/moodledata');
 215
 216     $i = 0; //safety check - dirname might return some unexpected results
 217     while(is_dataroot_insecure()) {
 218         $parrent = dirname($CFG->dataroot);
 219         $i++;
 220         if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
 221             $CFG->dataroot = ''; //can not find secure location for dataroot
 222             break;
 223         }
 224         $CFG->dataroot = dirname($parrent).'/moodledata';
 225     }
 226     $config->dataroot = $CFG->dataroot;
 227     $config->stage    = INSTALL_WELCOME;
 228 }
 229
 230 // now let's do the stage work
 231 if ($config->stage < INSTALL_WELCOME) {
 232     $config->stage = INSTALL_WELCOME;
 233 }
 234 if ($config->stage > INSTALL_SAVE) {
 235     $config->stage = INSTALL_SAVE;
 236 }
 237
 238
 239
 240 if ($config->stage == INSTALL_SAVE) {
 241     $database = moodle_database::get_driver_instance($config->dbtype, 'native');
 242     if (!$database->driver_installed()) {
 243         $config->stage = INSTALL_DATABASETYPE;
 244     } else {
 245         if (function_exists('distro_pre_create_db')) { // Hook for distros needing to do something before DB creation
 246             $distro = distro_pre_create_db($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersit'=>0, 'dbsocket'=>$config->dbsocket), $distro);
 247         }
 248         $hint_database = install_db_validate($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersit'=>0, 'dbsocket'=>$config->dbsocket));
 249
 250         if ($hint_database === '') {
 251             // extra hackery needed for symbolic link support
 252             if  ($CFG->dirroot !== $config->dirroot) {
 253                 $CFG->dirroot = $config->dirroot;
 254                 $userealpath = true;
 255             } else {
 256                 $userealpath = false;
 257             }
 258             $configphp = install_generate_configphp($database, $CFG, $userealpath);
 259
 260             umask(0137);
 261             if (($fh = @fopen($configfile, 'w')) !== false) {
 262                 fwrite($fh, $configphp);
 263                 fclose($fh);
 264             }
 265
 266             if (file_exists($configfile)) {
 267                 // config created, let's continue!
 268                 redirect("$CFG->wwwroot/$config->admin/index.php?lang=$config->lang");
 269             }
 270
 271             install_print_header($config, 'config.php',
 272                                           get_string('configurationcompletehead', 'install'),
 273                                           get_string('configurationcompletesub', 'install').get_string('configfilenotwritten', 'install'));
 274             echo '<div class="configphp"><pre>';
 275             echo p($configphp);
 276             echo '</pre></div>';
 277
 278             install_print_footer($config);
 279             die;
 280
 281         } else {
 282             $config->stage = INSTALL_DATABASE;
 283         }
 284     }
 285 }
 286
 287
 288
 289 if ($config->stage == INSTALL_DOWNLOADLANG) {
 290     if (empty($CFG->dataroot)) {
 291         $config->stage = INSTALL_PATHS;
 292
 293     } else if (is_dataroot_insecure()) {
 294         $hint_dataroot = get_string('pathsunsecuredataroot', 'install');
 295         $config->stage = INSTALL_PATHS;
 296
 297     } else if (!file_exists($CFG->dataroot)) {
 298         $a = new stdClass();
 299         $a->parent = dirname($CFG->dataroot);
 300         $a->dataroot = $CFG->dataroot;
 301         if (!is_writable(dirname($CFG->dataroot))) {
 302             $hint_dataroot = get_string('pathsroparentdataroot', 'install', $a);
 303             $config->stage = INSTALL_PATHS;
 304         } else {
 305             if (!make_upload_directory('lang', false)) {
 306                 $hint_dataroot = get_string('pathserrcreatedataroot', 'install', $a);
 307                 $config->stage = INSTALL_PATHS;
 308             }
 309         }
 310     }
 311
 312     if (empty($hint_dataroot) and !is_writable($CFG->dataroot)) {
 313         $hint_dataroot = get_string('pathsrodataroot', 'install');
 314         $config->stage = INSTALL_PATHS;
 315     }
 316
 317     if ($config->dirroot === '' or !file_exists($config->dirroot)) {
 318         $hint_dirroot = get_string('pathswrongdirroot', 'install');
 319         $config->stage = INSTALL_PATHS;
 320     }
 321
 322     if ($config->admin === '' or !file_exists($config->dirroot.'/'.$config->admin.'/environment.xml')) {
 323         $hint_admindir = get_string('pathswrongadmindir', 'install');
 324         $config->stage = INSTALL_PATHS;
 325     }
 326 }
 327
 328
 329
 330 if ($config->stage == INSTALL_DOWNLOADLANG) {
 331     // no need to download anything if en lang selected
 332     if ($CFG->lang == 'en_utf8') {
 333         $config->stage = INSTALL_DATABASETYPE;
 334     }
 335 }
 336
 337
 338
 339 if ($config->stage == INSTALL_DATABASETYPE) {
 340     // skip db selection if distro package supports only one db
 341     if (!empty($distro->dbtype)) {
 342         $config->stage = INSTALL_DATABASE;
 343     }
 344 }
 345
 346
 347 if ($config->stage == INSTALL_DOWNLOADLANG) {
 348     $downloaderror = '';
 349
 350 // Create necessary lang dir
 351     if (!make_upload_directory('lang', false)) {
 352         $downloaderror = get_string('cannotcreatelangdir', 'error');
 353
 354 // Download and install lang component
 355     } else if ($cd = new component_installer('http://download.moodle.org', 'lang16', $CFG->lang.'.zip', 'languages.md5', 'lang')) {
 356         if ($cd->install() == COMPONENT_ERROR) {
 357             if ($cd->get_error() == 'remotedownloaderror') {
 358                 $a = new stdClass();
 359                 $a->url  = 'http://download.moodle.org/lang16/'.$INSTALL['language'].'.zip';
 360                 $a->dest = $CFG->dataroot.'/lang';
 361                 $downloaderror = get_string($cd->get_error(), 'error', $a);
 362             } else {
 363                 $downloaderror = get_string($cd->get_error(), 'error');
 364             }
 365         } else {
 366             // install parent lang if defined
 367             if ($parentlang = get_parent_language()) {
 368                 if ($cd = new component_installer('http://download.moodle.org', 'lang16', $parentlang.'.zip', 'languages.md5', 'lang')) {
 369                     $cd->install();
 370                 }
 371             }
 372         }
 373     }
 374
 375     if ($downloaderror !== '') {
 376         install_print_header($config, get_string('language'), get_string('langdownloaderror', 'install', $CFG->lang), $downloaderror);
 377         install_print_footer($config);
 378         die;
 379     } else {
 380         if (empty($distro->dbtype)) {
 381             $config->stage = INSTALL_DATABASETYPE;
 382         } else {
 383             $config->stage = INSTALL_DATABASE;
 384         }
 385     }
 386 }
 387
 388
 389 if ($config->stage == INSTALL_DATABASE) {
 390     $database = moodle_database::get_driver_instance($config->dbtype, 'native');
 391
 392     $sub = '<h3>'.$database->get_name().'</h3>'.$database->get_configuration_help();
 393
 394     install_print_header($config, get_string('database', 'install'), get_string('databasehead', 'install'), $sub);
 395
 396     $strdbhost   = get_string('databasehost', 'install');
 397     $strdbname   = get_string('databasename', 'install');
 398     $strdbuser   = get_string('databaseuser', 'install');
 399     $strdbpass   = get_string('databasepass', 'install');
 400     $strprefix   = get_string('dbprefix', 'install');
 401     $strdbsocket = get_string('databasesocket', 'install');
 402
 403     echo '<div class="userinput">';
 404
 405     $disabled = empty($distro->dbhost) ? '' : 'disabled="disabled';
 406     echo '<div class="formrow"><label for="id_dbhost" class="formlabel">'.$strdbhost.'</label>';
 407     echo '<input id="id_dbhost" name="dbhost" '.$disabled.' type="text" value="'.s($config->dbhost).'" size="30" class="forminput" />';
 408     echo '</div>';
 409
 410     echo '<div class="formrow"><label for="id_dbname" class="formlabel">'.$strdbname.'</label>';
 411     echo '<input id="id_dbname" name="dbname" type="text" value="'.s($config->dbname).'" size="30" class="forminput" />';
 412     echo '</div>';
 413
 414     $disabled = empty($distro->dbuser) ? '' : 'disabled="disabled';
 415     echo '<div class="formrow"><label for="id_dbuser" class="formlabel">'.$strdbuser.'</label>';
 416     echo '<input id="id_dbuser" name="dbuser" '.$disabled.' type="text" value="'.s($config->dbuser).'" size="30" class="forminput" />';
 417     echo '</div>';
 418
 419     echo '<div class="formrow"><label for="id_dbpass" class="formlabel">'.$strdbpass.'</label>';
 420     // no password field here, the password may be visible in config.php if we can not write it to disk
 421     echo '<input id="id_dbpass" name="dbpass" type="text" value="'.s($config->dbpass).'" size="30" class="forminput" />';
 422     echo '</div>';
 423
 424     echo '<div class="formrow"><label for="id_prefix" class="formlabel">'.$strprefix.'</label>';
 425     echo '<input id="id_prefix" name="prefix" type="text" value="'.s($config->prefix).'" size="10" class="forminput" />';
 426     echo '</div>';
 427
 428     if (!(stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin'))) {
 429         $checked = $config->dbsocket ? 'checked="checked' : '';
 430         echo '<div class="formrow"><label for="id_dbsocket" class="formlabel">'.$strdbsocket.'</label>';
 431         echo '<input type="hidden" value="0" name="dbsocket" />';
 432         echo '<input type="checkbox" id="id_dbsocket" value="1" name="dbsocket" '.$checked.' class="forminput" />';
 433         echo '</div>';
 434     }
 435
 436     echo '<div class="hint">'.$hint_database.'</div>';
 437     echo '</div>';
 438     install_print_footer($config);
 439     die;
 440 }
 441
 442
 443 if ($config->stage == INSTALL_DATABASETYPE) {
 444     // Finally ask for DB type
 445     install_print_header($config, get_string('database', 'install'),
 446                                   get_string('databasetypehead', 'install'),
 447                                   get_string('databasetypesub', 'install'));
 448
 449     // TODO: move this PHP5 code to lib/installib.php so that this file parses in PHP4
 450     $databases = array('mysqli' => moodle_database::get_driver_instance('mysqli', 'native'),
 451                        'pgsql'  => moodle_database::get_driver_instance('pgsql',  'native'),
 452                        'oci'    => moodle_database::get_driver_instance('oci',    'native'),
 453                        //'sqlsrv' => moodle_database::get_driver_instance('sqlsrv', 'native'), // new MS sql driver - win32 only
 454                        //'mssql'  => moodle_database::get_driver_instance('mssql',  'native'), // FreeTDS driver
 455                       );
 456
 457     echo '<div class="userinput">';
 458     echo '<div class="formrow"><label class="formlabel" for="dbtype">'.get_string('dbtype', 'install').'</label>';
 459     echo '<select id="dbtype" name="dbtype" class="forminput">';
 460     $disabled = array();
 461     $options = array();
 462     foreach ($databases as $type=>$database) {
 463         if ($database->driver_installed() !== true) {
 464             $disabled[$type] = $database;
 465             continue;
 466         }
 467         echo '<option value="'.s($type).'">'.$database->get_name().'</option>';
 468     }
 469     if ($disabled) {
 470         echo '<optgroup label="'.s(get_string('notavailable')).'">';
 471         foreach ($disabled as $type=>$database) {
 472             echo '<option value="'.s($type).'" class="notavailable">'.$database->get_name().'</option>';
 473         }
 474         echo '</optgroup>';
 475     }
 476     echo '</select></div>';
 477     echo '</div>';
 478
 479     install_print_footer($config);
 480     die;
 481 }
 482
 483
 484
 485 if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_PATHS) {
 486     $version_fail = (version_compare(phpversion(), "5.2.8") < 0);
 487     $curl_fail    = ($lang !== 'en_utf8' and !extension_loaded('curl')); // needed for lang pack download
 488     $zip_fail     = ($lang !== 'en_utf8' and !extension_loaded('zip'));  // needed for lang pack download
 489
 490     if ($version_fail or $curl_fail or $zip_fail) {
 491         $config->stage = INSTALL_ENVIRONMENT;
 492
 493         install_print_header($config, get_string('environment', 'install'),
 494                                       get_string('errorsinenvironment', 'install'),
 495                                       get_string('environmentsub2', 'install'));
 496
 497         echo '<div id="envresult"><dl>';
 498         if ($version_fail) {
 499             $a = (object)array('needed'=>'5.2.8', 'current'=>phpversion());
 500             echo '<dt>'.get_string('phpversion', 'install').'</dt><dd>'.get_string('environmentrequireversion', 'admin', $a).'</dd>';
 501         }
 502         if ($curl_fail) {
 503             echo '<dt>'.get_string('phpextension', 'install', 'cURL').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
 504         }
 505         if ($zip_fail) {
 506             echo '<dt>'.get_string('phpextension', 'install', 'Zip').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
 507         }
 508         echo '</dl></div>';
 509
 510         install_print_footer($config, true);
 511         die;
 512
 513     } else {
 514         $config->stage = INSTALL_PATHS;
 515     }
 516 }
 517
 518
 519
 520 if ($config->stage == INSTALL_PATHS) {
 521     $paths = array('wwwroot'  => get_string('wwwroot', 'install'),
 522                    'dirroot'  => get_string('dirroot', 'install'),
 523                    'dataroot' => get_string('dataroot', 'install'),
 524                    'admindir' => get_string('admindirname', 'install'));
 525
 526     $sub = '<dl>';
 527     foreach ($paths as $path=>$name) {
 528         $sub .= '<dt>'.$name.'</dt><dd>'.get_string('pathssub'.$path, 'install').'</dd>';
 529     }
 530     $sub .= '</dl>';
 531
 532     install_print_header($config, get_string('paths', 'install'), get_string('pathshead', 'install'), $sub);
 533
 534     $strwwwroot      = get_string('wwwroot', 'install');
 535     $strdirroot      = get_string('dirroot', 'install');
 536     $strdataroot     = get_string('dataroot', 'install');
 537     $stradmindirname = get_string('admindirname', 'install');
 538
 539     echo '<div class="userinput">';
 540     echo '<div class="formrow"><label for="id_wwwroot" class="formlabel">'.$paths['wwwroot'].'</label>';
 541     echo '<input id="id_wwwroot" name="wwwroot" type="text" value="'.s($CFG->wwwroot).'" disabled="disabled" size="45" class="forminput" />';
 542     echo '</div>';
 543
 544     echo '<div class="formrow"><label for="id_dirroot" class="formlabel">'.$paths['dirroot'].'</label>';
 545     echo '<input id="id_dirroot" name="dirroot" type="text" value="'.s($config->dirroot).'" size="45"class="forminput" />';
 546     if ($hint_dirroot !== '') {
 547         echo '<div class="hint">'.$hint_dirroot.'</div>';
 548     }
 549     echo '</div>';
 550
 551     echo '<div class="formrow"><label for="id_dataroot" class="formlabel">'.$paths['dataroot'].'</label>';
 552     echo '<input id="id_dataroot" name="dataroot" type="text" value="'.s($config->dataroot).'" size="45" class="forminput" />';
 553     if ($hint_dataroot !== '') {
 554         echo '<div class="hint">'.$hint_dataroot.'</div>';
 555     }
 556     echo '</div>';
 557
 558
 559     if (file_exists("$CFG->dirroot/admin/environment.xml")) {
 560         $disabled = 'disabled="disabled"';
 561     } else {
 562         $disabled = '';
 563     }
 564     echo '<div class="formrow"><label for="id_admin" class="formlabel">'.$paths['admindir'].'</label>';
 565     echo '<input id="id_admin" name="admin" type="text" value="'.s($config->admin).'" '.$disabled.' size="10" class="forminput" />';
 566     if ($hint_admindir !== '') {
 567         echo '<div class="hint">'.$hint_admindir.'</div>';
 568     }
 569     echo '</div>';
 570
 571     echo '</div>';
 572
 573     install_print_footer($config);
 574     die;
 575 }
 576
 577
 578
 579 $config->stage = INSTALL_WELCOME;
 580
 581 if ($distro) {
 582     ob_start();
 583     include('install/distribution.html');
 584     $sub = ob_get_clean();
 585
 586     install_print_header($config, get_string('language'),
 587                                   get_string('chooselanguagehead', 'install'),
 588                                   $sub);
 589
 590 } else {
 591     install_print_header($config, get_string('language'),
 592                                   get_string('chooselanguagehead', 'install'),
 593                                   get_string('chooselanguagesub', 'install'));
 594 }
 595
 596 $languages = install_get_list_of_languages();
 597 echo '<div class="userinput">';
 598 echo '<div class="formrow"><label class="formlabel" for="langselect">'.get_string('language').'</label>';
 599 echo '<select id="langselect" name="lang" class="forminput" onchange="this.form.submit()">';
 600 foreach ($languages as $name=>$value) {
 601     $selected = ($name == $CFG->lang) ? 'selected="selected"' : '';
 602     echo '<option value="'.s($name).'" '.$selected.'>'.$value.'</option>';
 603 }
 604 echo '</select></div>';
 605 echo '</div>';
 606
 607 install_print_footer($config);
 608 die;
 609