Followup to r54416
[lhc/web/wiklou.git] / config / index.php
index 763d6c1..0722588 100644 (file)
@@ -47,11 +47,13 @@ require_once( "$IP/includes/Namespace.php" );
 require_once( "$IP/includes/ProfilerStub.php" );
 require_once( "$IP/includes/GlobalFunctions.php" );
 require_once( "$IP/includes/Hooks.php" );
+require_once( "$IP/includes/Exception.php" );
 
 # If we get an exception, the user needs to know
 # all the details
 $wgShowExceptionDetails = true;
-
+$wgShowSQLErrors = true;
+wfInstallExceptionHandler();
 ## Databases we support:
 
 $ourdb = array();
@@ -79,12 +81,25 @@ $ourdb['mssql']['compile']       = 'mssql not ready'; # Change to 'mssql' after
 $ourdb['mssql']['bgcolor']       = '#ffc0cb';
 $ourdb['mssql']['rootuser']      = 'administrator';
 
+$ourdb['ibm_db2']['fullname']   = 'DB2';
+$ourdb['ibm_db2']['havedriver'] = 0;
+$ourdb['ibm_db2']['compile']    = 'ibm_db2';
+$ourdb['ibm_db2']['bgcolor']    = '#ffeba1';
+$ourdb['ibm_db2']['rootuser']   = 'db2admin';
+
+$ourdb['oracle']['fullname']   = 'Oracle';
+$ourdb['oracle']['havedriver'] = 0;
+$ourdb['oracle']['compile']    = 'oci8';
+$ourdb['oracle']['bgcolor']    = '#ffeba1';
+$ourdb['oracle']['rootuser']   = '';
+
 ?>
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
-<html>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
 <head>
-       <meta http-equiv="Content-type" content="text/html; charset=utf-8">
-       <title>MediaWiki <?php echo( $wgVersion ); ?> Installation</title>
+       <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
+       <meta name="robots" content="noindex,nofollow"/>
+       <title>MediaWiki <?php echo htmlspecialchars( $wgVersion ); ?> Installation</title>
        <style type="text/css">
 
                @import "../skins/monobook/main.css";
@@ -202,22 +217,21 @@ $ourdb['mssql']['rootuser']      = 'administrator';
 <div id="content">
 <div id="bodyContent">
 
-<h1>MediaWiki <?php print $wgVersion ?> Installation</h1>
+<h1>MediaWiki <?php print htmlspecialchars( $wgVersion ) ?> Installation</h1>
 
 <?php
+$mainListOpened = false; # Is the main list (environement checking) opend ? Used by dieout
 
 /* Check for existing configurations and bug out! */
 
 if( file_exists( "../LocalSettings.php" ) ) {
        $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
- dieout( "<p><strong>Setup has completed, <a href='../$script'>your wiki</a> is configured.</strong></p>
-
-       <p>Please delete the /config directory for extra security.</p></div></div></div></div>" );
+       dieout( "<p><strong>Setup has completed, <a href='../$script'>your wiki</a> is configured.</strong></p>
+       <p>Please delete the /config directory for extra security.</p>" );
 }
 
 if( file_exists( "./LocalSettings.php" ) ) {
        writeSuccessMessage();
-
        dieout( '' );
 }
 
@@ -232,7 +246,7 @@ if( !is_writable( "." ) ) {
        <p>To make the directory writable on a Unix/Linux system:</p>
 
        <pre>
-       cd <i>/path/to/wiki</i>
+       cd <i>" . htmlspecialchars( dirname( dirname( __FILE__ ) ) ) . "</i>
        chmod a+w config
        </pre>
        
@@ -293,6 +307,8 @@ class ConfigData {
 <p><em>Please include all of the lines below when reporting installation problems.</em></p>
 <ul class="env-check">
 <?php
+$mainListOpened = true;
+
 $endl = "
 ";
 define( 'MW_NO_OUTPUT_BUFFER', 1 );
@@ -301,7 +317,7 @@ $conf = new ConfigData;
 install_version_checks();
 $self = 'Installer'; # Maintenance script name, to please Setup.php
 
-print "<li>PHP " . phpversion() . " installed</li>\n";
+print "<li>PHP " . htmlspecialchars( phpversion() ) . " installed</li>\n";
 
 error_reporting( 0 );
 $phpdatabases = array();
@@ -322,7 +338,8 @@ if (!$phpdatabases) {
                print "<li>For <b>$full</b>, compile PHP using <b>--with-$comp</b>, "
                        ."or install the $comp.so module</li>\n";
        }
-       dieout( "</ul></ul>" );
+       echo '</ul>';
+       dieout( '' );
 }
 
 print "<li>Found database drivers for:";
@@ -355,7 +372,7 @@ if( wfIniGetBool( "magic_quotes_runtime" ) ) {
        $fatal = true;
        ?><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>
        This option corrupts data input unpredictably; you cannot install or use
-       MediaWiki unless this option is disabled.
+       MediaWiki unless this option is disabled.</li>
        <?php
 }
 
@@ -363,7 +380,7 @@ if( wfIniGetBool( "magic_quotes_sybase" ) ) {
        $fatal = true;
        ?><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>
        This option corrupts data input unpredictably; you cannot install or use
-       MediaWiki unless this option is disabled.
+       MediaWiki unless this option is disabled.</li>
        <?php
 }
 
@@ -371,7 +388,7 @@ if( wfIniGetBool( "mbstring.func_overload" ) ) {
        $fatal = true;
        ?><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>
        This option causes errors and may corrupt data unpredictably;
-       you cannot install or use MediaWiki unless this option is disabled.
+       you cannot install or use MediaWiki unless this option is disabled.</li>
        <?php
 }
 
@@ -379,13 +396,13 @@ if( wfIniGetBool( "zend.ze1_compatibility_mode" ) ) {
        $fatal = true;
        ?><li class="error"><strong>Fatal: <a href="http://www.php.net/manual/en/ini.core.php">zend.ze1_compatibility_mode</a> is active!</strong>
        This option causes horrible bugs with MediaWiki; you cannot install or use
-       MediaWiki unless this option is disabled.
+       MediaWiki unless this option is disabled.</li>
        <?php
 }
 
 
 if( $fatal ) {
-       dieout( "</ul><p>Cannot install MediaWiki.</p>" );
+       dieout( "Cannot install MediaWiki." );
 }
 
 if( wfIniGetBool( "safe_mode" ) ) {
@@ -400,7 +417,7 @@ if( wfIniGetBool( "safe_mode" ) ) {
        $conf->safeMode = false;
 }
 
-$sapi = php_sapi_name();
+$sapi = htmlspecialchars( php_sapi_name() );
 print "<li>PHP server API is $sapi; ";
 $script = defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php';
 if( $wgUsePathInfo ) {
@@ -449,23 +466,16 @@ if( !function_exists( 'preg_match' ) )
        Perl-compatible regular expression functions." );
 
 $memlimit = ini_get( "memory_limit" );
-$conf->raiseMemory = false;
-if( empty( $memlimit ) || $memlimit == -1 ) {
+if( $memlimit == -1 ) {
        print "<li>PHP is configured with no <tt>memory_limit</tt>.</li>\n";
 } else {
-       print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ) . ". ";
-       $n = intval( $memlimit );
-       if( preg_match( '/^([0-9]+)[Mm]$/', trim( $memlimit ), $m ) ) {
-               $n = intval( $m[1] * (1024*1024) );
-       }
-       if( $n < 20*1024*1024 ) {
-               print "Attempting to raise limit to 20M... ";
-               if( false === ini_set( "memory_limit", "20M" ) ) {
-                       print "failed.<br /><b>" . htmlspecialchars( $memlimit ) . " seems too low, installation may fail!</b>";
-               } else {
-                       $conf->raiseMemory = true;
-                       print "ok.";
-               }
+       print "<li>PHP's <tt>memory_limit</tt> is " . htmlspecialchars( $memlimit ). " bytes. ";
+       $newlimit = wfMemoryLimit();
+       $memlimit = wfShorthandToInteger( $memlimit );
+       if( $newlimit < $memlimit ) {
+               print "<b>Failed raising limit, installation may fail.</b>";
+       } elseif ( $newlimit > $memlimit )  {
+               print "Raised <tt>memory_limit</tt> to " . htmlspecialchars( $newlimit ) . " bytes. ";
        }
        print "</li>\n";
 }
@@ -477,11 +487,11 @@ if ( $conf->turck ) {
 
 $conf->xcache = function_exists( 'xcache_get' );
 if( $conf->xcache )
-       print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>";
+       print "<li><a href=\"http://trac.lighttpd.net/xcache/\">XCache</a> installed</li>\n";
 
 $conf->apc = function_exists('apc_fetch');
 if ($conf->apc ) {
-       print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>";
+       print "<li><a href=\"http://www.php.net/apc\">APC</a> installed</li>\n";
 }
 
 $conf->eaccel = function_exists( 'eaccelerator_get' );
@@ -499,6 +509,24 @@ if( !( $conf->turck || $conf->eaccel || $conf->apc || $conf->xcache ) ) {
                cannot use these for object caching.</li>' );
 }
 
+$conf->phpCliPath = false;
+$phpClilocations = array_merge(
+       array(
+               "/usr/bin",
+               "/usr/local/bin",
+               "/opt/csw/bin",
+               "/usr/gnu/bin",
+               "/usr/sfw/bin" ),
+       explode( PATH_SEPARATOR, getenv( "PATH" ) ) );
+$phpClinames = array( "php", "php.exe" );
+foreach ($phpClilocations as $loc) {
+       $exe = locate_executable($loc, $phpClinames);
+       if ($exe !== false) {
+               $conf->phpCliPath= $exe;
+               break;
+       }
+}
+
 $conf->diff3 = false;
 $diff3locations = array_merge(
        array(
@@ -583,9 +611,10 @@ print "<li style='font-weight:bold;color:green;font-size:110%'>Environment check
                : $_SERVER["SERVER_ADMIN"];
        $conf->EmergencyContact = importPost( "EmergencyContact", $defaultEmail );
        $conf->DBtype = importPost( "DBtype", $DefaultDBtype );
-?>
+       if ( !isset( $ourdb[$conf->DBtype] ) ) {
+               $conf->DBtype = $DefaultDBtype;
+       }
 
-<?php
        $conf->DBserver = importPost( "DBserver", "localhost" );
        $conf->DBname = importPost( "DBname", "wikidb" );
        $conf->DBuser = importPost( "DBuser", "wikiuser" );
@@ -597,13 +626,12 @@ print "<li style='font-weight:bold;color:green;font-size:110%'>Environment check
        $conf->RootUser = importPost( "RootUser", "root" );
        $conf->RootPW = importPost( "RootPW", "" );
        $useRoot = importCheck( 'useroot', false );
-       $createAdminSettings = importCheck('createadminsettings', false);
+       $conf->populateadmin = importCheck( 'populateadmin', false );
        $conf->LanguageCode = importPost( "LanguageCode", "en" );
-
        ## MySQL specific:
        $conf->DBprefix     = importPost( "DBprefix" );
        $conf->setSchema( 
-               importPost( "DBschema", "mysql4" ), 
+               importPost( "DBschema", "mysql5-binary" ), 
                importPost( "DBengine", "InnoDB" ) );
 
        ## Postgres specific:
@@ -613,6 +641,23 @@ print "<li style='font-weight:bold;color:green;font-size:110%'>Environment check
        
        ## SQLite specific
        $conf->SQLiteDataDir = importPost( "SQLiteDataDir", "" );
+       
+       ## MSSQL specific
+       // We need a second field so it doesn't overwrite the MySQL one
+       $conf->DBprefix2 = importPost( "DBprefix2" );
+       
+       ## DB2 specific:
+       // New variable in order to have a different default port number
+       $conf->DBport_db2   = importPost( "DBport_db2",      "50000" );
+       $conf->DBmwschema   = importPost( "DBmwschema",  "mediawiki" );
+       $conf->DBcataloged  = importPost( "DBcataloged",  "cataloged" );
+
+       // Oracle specific
+       $conf->DBprefix_ora     = importPost( "DBprefix_ora" );
+       $conf->DBdefTS_ora     = importPost( "DBdefTS_ora", "USERS" );
+       $conf->DBtempTS_ora     = importPost( "DBtempTS_ora", "TEMP" );
+
+       $conf->ShellLocale = getShellLocale( $conf->LanguageCode );
 
 /* Check for validity */
 $errs = array();
@@ -634,6 +679,11 @@ if( $conf->DBpassword != $conf->DBpassword2 ) {
 }
 if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix ) ) {
        $errs["DBprefix"] = "Invalid table prefix";
+} else {
+       untaint( $conf->DBprefix, TC_MYSQL );
+}
+if( !preg_match( '/^[A-Za-z_0-9]*$/', $conf->DBprefix_ora ) ) {
+       $errs["DBprefix_ora"] = "Invalid table prefix";
 }
 
 error_reporting( E_ALL );
@@ -664,7 +714,7 @@ if( $conf->SysopName ) {
                # Various password checks
                if( $conf->SysopPass != '' ) {
                        if( $conf->SysopPass == $conf->SysopPass2 ) {
-                               if( !$u->isValidPassword( $conf->SysopPass ) ) {
+                               if( $u->isValidPassword( $conf->SysopPass ) !== true ) {
                                        $errs['SysopPass'] = "Bad password";
                                }
                        } else {
@@ -680,13 +730,23 @@ if( $conf->SysopName ) {
 }
 
 $conf->License = importRequest( "License", "none" );
-if( $conf->License == "gfdl" ) {
-       $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
+if( $conf->License == "gfdl1_2" ) {
+       $conf->RightsUrl = "http://www.gnu.org/licenses/old-licenses/fdl-1.2.txt";
        $conf->RightsText = "GNU Free Documentation License 1.2";
-       $conf->RightsCode = "gfdl";
+       $conf->RightsCode = "gfdl1_2";
+       $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
+} elseif( $conf->License == "gfdl1_3" ) {
+       $conf->RightsUrl = "http://www.gnu.org/copyleft/fdl.html";
+       $conf->RightsText = "GNU Free Documentation License 1.3";
+       $conf->RightsCode = "gfdl1_3";
        $conf->RightsIcon = '${wgScriptPath}/skins/common/images/gnu-fdl.png';
 } elseif( $conf->License == "none" ) {
        $conf->RightsUrl = $conf->RightsText = $conf->RightsCode = $conf->RightsIcon = "";
+} elseif( $conf->License == "pd" ) {
+       $conf->RightsUrl = "http://creativecommons.org/licenses/publicdomain/";
+       $conf->RightsText = "Public Domain";
+       $conf->RightsCode = "pd";
+       $conf->RightsIcon = '${wgScriptPath}/skins/common/images/public-domain.png';
 } else {
        $conf->RightsUrl = importRequest( "RightsUrl", "" );
        $conf->RightsText = importRequest( "RightsText", "" );
@@ -700,7 +760,7 @@ $conf->MCServers = importRequest( "MCServers" );
 /* Test memcached servers */
 
 if ( $conf->Shm == 'memcached' && $conf->MCServers ) {
-       $conf->MCServerArray = array_map( 'trim', explode( ',', $conf->MCServers ) );
+       $conf->MCServerArray = wfArrayMap( 'trim', explode( ',', $conf->MCServers ) );
        foreach ( $conf->MCServerArray as $server ) {
                $error = testMemcachedServer( $server );
                if ( $error ) {
@@ -732,13 +792,12 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                chdir( ".." );
                $ok = eval( $local );
                if( $ok === false ) {
-                       dieout( "Errors in generated configuration; " .
+                       dieout( "<p>Errors in generated configuration; " .
                                "most likely due to a bug in the installer... " .
-                               "Config file was: " .
+                               "Config file was: </p>" .
                                "<pre>" .
                                htmlspecialchars( $local ) .
-                               "</pre>" .
-                               "</ul>" );
+                               "</pre>" );
                }
                $conf->DBtypename = '';
                foreach (array_keys($ourdb) as $db) {
@@ -754,7 +813,7 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                        $errs["DBtype"] = "Unknown database type '$conf->DBtype'";
                        continue;
                }
-               print "<li>Database type: {$conf->DBtypename}</li>\n";
+               print "<li>Database type: " . htmlspecialchars( $conf->DBtypename ) . "</li>\n";
                $dbclass = 'Database'.ucfirst($conf->DBtype);
                $wgDBtype = $conf->DBtype;
                $wgDBadminuser = "root";
@@ -768,17 +827,32 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                $wgDBmwschema  = $conf->DBmwschema;
                $wgDBts2schema = $conf->DBts2schema;
 
+               if( $conf->DBprefix2 != '' ) {
+                       // For MSSQL
+                       $wgDBprefix = $conf->DBprefix2;
+               } elseif( $conf->DBprefix_ora != '' ) {
+                       // For Oracle
+                       $wgDBprefix = $conf->DBprefix_ora;
+               }
+
+               ## DB2 specific:
+               $wgDBcataloged = $conf->DBcataloged;
+               
                $wgCommandLineMode = true;
                if (! defined ( 'STDERR' ) )
                        define( 'STDERR', fopen("php://stderr", "wb"));
                $wgUseDatabaseMessages = false; /* FIXME: For database failure */
                require_once( "$IP/includes/Setup.php" );
+               Language::getLocalisationCache()->disableBackend();
+               
                chdir( "config" );
 
                $wgTitle = Title::newFromText( "Installation script" );
                error_reporting( E_ALL );
-               print "<li>Loading class: $dbclass";
-               $dbc = new $dbclass;
+               print "<li>Loading class: " . htmlspecialchars( $dbclass ) . "</li>\n";
+               if ( $conf->DBtype != 'sqlite' ) {
+                       $dbc = new $dbclass;
+               }
 
                if( $conf->DBtype == 'mysql' ) {
                        $mysqlOldClient = version_compare( mysql_get_client_info(), "4.1.0", "lt" );
@@ -801,7 +875,7 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                        }
 
                        # Attempt to connect
-                       echo( "<li>Attempting to connect to database server as $db_user..." );
+                       echo( "<li>Attempting to connect to database server as " . htmlspecialchars( $db_user ) . "..." );
                        $wgDatabase = Database::newFromParams( $wgDBserver, $db_user, $db_pass, '', 1 );
 
                        # Check the connection and respond to errors
@@ -836,24 +910,124 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                                        case 2003:
                                        default:
                                                # General connection problem
-                                               echo( "failed with error [$errno] $errtx.</li>\n" );
+                                               echo( htmlspecialchars( "failed with error [$errno] $errtx." ) . "</li>\n" );
                                                $errs["DBserver"] = "Connection failed";
                                                break;
                                } # switch
                        } #conn. att.
 
                        if( !$ok ) { continue; }
+               }
+               else if( $conf->DBtype == 'ibm_db2' ) {
+                       if( $useRoot ) {
+                               $db_user = $conf->RootUser;
+                               $db_pass = $conf->RootPW;
+                       } else {
+                               $db_user = $wgDBuser;
+                               $db_pass = $wgDBpassword;
+                       }
+                       
+                       echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) . 
+                               "\" as \"" . htmlspecialchars( $db_user ) . "\"..." );
+                       $wgDatabase = $dbc->newFromParams($wgDBserver, $db_user, $db_pass, $wgDBname, 1);
+                       if (!$wgDatabase->isOpen()) {
+                               print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
+                       } else {
+                               $myver = $wgDatabase->getServerVersion();
+                       }
+                       if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
 
+               } elseif ( $conf->DBtype == 'sqlite' ) {
+                       if ("$wgSQLiteDataDir" == '') {
+                               $wgSQLiteDataDir = dirname($_SERVER['DOCUMENT_ROOT']).'/data';
+                       }
+                       echo "<li>Attempting to connect to SQLite database at \"" . 
+                               htmlspecialchars( $wgSQLiteDataDir ) .  "\"";
+                       if ( !is_dir( $wgSQLiteDataDir ) ) {
+                               if ( is_writable( dirname( $wgSQLiteDataDir ) ) ) {
+                                       $ok = wfMkdirParents( $wgSQLiteDataDir, $wgSQLiteDataDirMode );
+                               } else {
+                                       $ok = false;
+                               }
+                               if ( !$ok ) {
+                                       echo ": cannot create data directory</li>";
+                                       $errs['SQLiteDataDir'] = 'Enter a valid data directory';
+                                       continue;
+                               }
+                       }
+                       if ( !is_writable( $wgSQLiteDataDir ) ) {
+                               echo ": data directory not writable</li>";
+                               $errs['SQLiteDataDir'] = 'Enter a writable data directory';
+                               continue;
+                       }
+                       $dataFile = "$wgSQLiteDataDir/$wgDBname.sqlite";
+                       if ( file_exists( $dataFile ) && !is_writable( $dataFile ) ) {
+                               echo ": data file not writable</li>";
+                               $errs['SQLiteDataDir'] = "$wgDBname.sqlite is not writable";
+                               continue;
+                       }
+                       $wgDatabase = new DatabaseSqlite( false, false, false, $wgDBname, 1 );
+                       if (!$wgDatabase->isOpen()) {
+                               print ": error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
+                               $errs['SQLiteDataDir'] = 'Could not connect to database';
+                               continue;
+                       } else {
+                               $myver = $wgDatabase->getServerVersion();
+                       }
+                       if (is_callable(array($wgDatabase, 'initial_setup'))) $wgDatabase->initial_setup('', $wgDBname);
+                       echo "ok</li>\n";
+               } elseif ( $conf->DBtype == 'oracle' ) {
+                       echo "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
+                       $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
+                       if (!$wgDatabase->isOpen()) {
+                               $ok = true;
+                               echo "<li>Connect failed.</li>";
+                               if ($useRoot) {
+                                       if (ini_get('oci8.privileged_connect') === false) {
+                                               echo "<li>Privileged connect disabled, please set oci8.privileged_connect or run maintenance/ora/user.sql script manually prior to continuing.</li>";
+                                               $ok = false;
+                                       } else {
+                                               $wgDBadminuser = $conf->RootUser;
+                                               $wgDBadminpassword = $conf->RootPW;
+                                               echo "<li>Attempting to create DB user.</li>";
+                                               $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBadminuser, $wgDBadminpassword, $wgDBname, 1, 64);
+                                               if ($wgDatabase->isOpen()) {
+                                                       $wgDBOracleDefTS = $conf->DBdefTS_ora;
+                                                       $wgDBOracleTempTS = $conf->DBtempTS_ora;
+                                                       $wgDatabase->sourceFile( "../maintenance/ora/user.sql"  );
+                                               } else {
+                                                       echo "<li>Invalid database superuser, please supply a valid superuser account.</li>";
+                                                       echo "<li>ERR: ".print_r(oci_error(), true)."</li>";
+                                                       $ok = false;
+                                               }
+                                       }
+                               } else {
+                                       echo "<li>Database superuser missing, please supply a valid superuser account.</li>";
+                                       $ok = false;
+                               }
+                               if (!$ok) {
+                                       $errs["RootUser"] = "Check username";
+                                       $errs["RootPW"] = "and password";
+                               } else {
+                                       echo "<li>Attempting to connect to database with new user \"" . htmlspecialchars( $wgDBname ) ."\"</li>";
+                                       $wgDatabase = $dbc->newFromParams('DUMMY', $wgDBuser, $wgDBpassword, $wgDBname, 1);
+                               }
+                       }
+                       if ($ok) {
+                               $myver = $wgDatabase->getServerVersion();
+                       }
                } else { # not mysql
                        error_reporting( E_ALL );
                        $wgSuperUser = '';
                        ## Possible connect as a superuser
-                       if( $useRoot && $conf->DBtype != 'sqlite' ) {
+                       // Changed !mysql to postgres check since it seems to only apply to postgres
+                       if( $useRoot && $conf->DBtype == 'postgres' ) {
                                $wgDBsuperuser = $conf->RootUser;
-                               echo( "<li>Attempting to connect to database \"postgres\" as superuser \"$wgDBsuperuser\"..." );
+                               echo( "<li>Attempting to connect to database \"postgres\" as superuser \"" . 
+                                       htmlspecialchars( $wgDBsuperuser ) . "\"..." );
                                $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBsuperuser, $conf->RootPW, "postgres", 1);
                                if (!$wgDatabase->isOpen()) {
-                                       print " error: " . $wgDatabase->lastError() . "</li>\n";
+                                       print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
                                        $errs["DBserver"] = "Could not connect to database as superuser";
                                        $errs["RootUser"] = "Check username";
                                        $errs["RootPW"] = "and password";
@@ -861,10 +1035,15 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                                }
                                $wgDatabase->initial_setup($conf->RootPW, 'postgres');
                        }
-                       echo( "<li>Attempting to connect to database \"$wgDBname\" as \"$wgDBuser\"..." );
+                       echo( "<li>Attempting to connect to database \"" . htmlspecialchars( $wgDBname ) . 
+                               "\" as \"" . htmlspecialchars( $wgDBuser ) . "\"..." );
                        $wgDatabase = $dbc->newFromParams($wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, 1);
                        if (!$wgDatabase->isOpen()) {
-                               print " error: " . $wgDatabase->lastError() . "</li>\n";
+                               print " error: " . htmlspecialchars( $wgDatabase->lastError() ) . "</li>\n";
+                               $errs["DBserver"] = "Could not connect to database as user";
+                               $errs["DBuser"] = "Check username";
+                               $errs["DBpassword"] = "and password";
+                               continue;
                        } else {
                                $myver = $wgDatabase->getServerVersion();
                        }
@@ -876,10 +1055,11 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                        continue;
                }
 
-               print "<li>Connected to $myver";
+               print "<li>Connected to " . htmlspecialchars( "{$conf->DBtype} $myver" );
                if ($conf->DBtype == 'mysql') {
                        if( version_compare( $myver, "4.0.14" ) < 0 ) {
-                               dieout( " -- mysql 4.0.14 or later required. Aborting." );
+                               print "</li>\n";
+                               dieout( "-- mysql 4.0.14 or later required. Aborting." );
                        }
                        $mysqlNewAuth = version_compare( $myver, "4.1.0", "ge" );
                        if( $mysqlNewAuth && $mysqlOldClient ) {
@@ -918,7 +1098,7 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                                        print "<li>Couldn't create database <tt>" .
                                                htmlspecialchars( $wgDBname ) .
                                                "</tt>; try with root access or check your username/pass.</li>\n";
-                                       $errs["RootPW"] = "&lt;- Enter";
+                                       $errs["RootPW"] = "<- Enter";
                                        continue;
                                }
                                print "<li>Created database <tt>" . htmlspecialchars( $wgDBname ) . "</tt></li>\n";
@@ -926,8 +1106,8 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                        $wgDatabase->selectDB( $wgDBname );
                }
                else if ($conf->DBtype == 'postgres') {
-                       if( version_compare( $myver, "PostgreSQL 8.0" ) < 0 ) {
-                               dieout( " <b>Postgres 8.0 or later is required</b>. Aborting.</li></ul>" );
+                       if( version_compare( $myver, "8.0" ) < 0 ) {
+                               dieout( "<b>Postgres 8.0 or later is required</b>. Aborting." );
                        }
                }
 
@@ -962,15 +1142,19 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                                                }
                                        }
                                        if ( $existingSchema && $existingSchema != $conf->DBschema ) {
-                                               print "<li><strong>Warning:</strong> you requested the {$conf->DBschema} schema, " .
-                                                       "but the existing database has the $existingSchema schema. This upgrade script ". 
-                                                       "can't convert it, so it will remain $existingSchema.</li>\n";
+                                               $encExisting = htmlspecialchars( $existingSchema );
+                                               $encRequested = htmlspecialchars( $conf->DBschema );
+                                               print "<li><strong>Warning:</strong> you requested the $encRequested schema, " .
+                                                       "but the existing database has the $encExisting schema. This upgrade script ". 
+                                                       "can't convert it, so it will remain $encExisting.</li>\n";
                                                $conf->setSchema( $existingSchema, $conf->DBengine );
                                        }
                                        if ( $existingEngine && $existingEngine != $conf->DBengine ) {
-                                               print "<li><strong>Warning:</strong> you requested the {$conf->DBengine} storage " .
-                                                       "engine, but the existing database uses the $existingEngine engine. This upgrade " .
-                                                       "script can't convert it, so it will remain $existingEngine.</li>\n";
+                                               $encExisting = htmlspecialchars( $existingEngine );
+                                               $encRequested = htmlspecialchars( $conf->DBengine );
+                                               print "<li><strong>Warning:</strong> you requested the $encRequested storage " .
+                                                       "engine, but the existing database uses the $encExisting engine. This upgrade " .
+                                                       "script can't convert it, so it will remain $encExisting.</li>\n";
                                                $conf->setSchema( $conf->DBschema, $existingEngine );
                                        }
                                }
@@ -987,7 +1171,7 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                                                        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>";
                                                }
                                                print "</li>\n";
-                                               dbsource( "../maintenance/users.sql", $wgDatabase );
+                                               $wgDatabase->sourceFile( "../maintenance/users.sql" );
                                        }
                                }
                        }
@@ -1004,14 +1188,15 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                                $res = $wgDatabase->query( 'SHOW ENGINES' );
                                $found = false;
                                while ( $row = $wgDatabase->fetchObject( $res ) ) {
-                                       if ( $row->Engine == $conf->DBengine ) {
+                                       if ( $row->Engine == $conf->DBengine && ( $row->Support == 'YES' || $row->Support == 'DEFAULT' ) ) {
                                                $found = true;
                                                break;
                                        }
                                }
                                $wgDatabase->freeResult( $res );
                                if ( !$found && $conf->DBengine != 'MyISAM' ) {
-                                       echo "<li><strong>Warning:</strong> {$conf->DBengine} storage engine not available, " .
+                                       echo "<li><strong>Warning:</strong> " . htmlspecialchars( $conf->DBengine ) . 
+                                               " storage engine not available, " .
                                                "using MyISAM instead</li>\n";
                                        $conf->setSchema( $conf->DBschema, 'MyISAM' );
                                }
@@ -1020,8 +1205,8 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                        # FIXME: Check for errors
                        print "<li>Creating tables...";
                        if ($conf->DBtype == 'mysql') {
-                               dbsource( "../maintenance/tables.sql", $wgDatabase );
-                               dbsource( "../maintenance/interwiki.sql", $wgDatabase );
+                               $wgDatabase->sourceFile( "../maintenance/tables.sql" );
+                               $wgDatabase->sourceFile( "../maintenance/interwiki.sql" );
                        } elseif (is_callable(array($wgDatabase, 'setup_database'))) {
                                $wgDatabase->setup_database();
                        }
@@ -1050,11 +1235,11 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                                if( $wgDatabase2->isOpen() ) {
                                        # Nope, just close the test connection and continue
                                        $wgDatabase2->close();
-                                       echo( "<li>User $wgDBuser exists. Skipping grants.</li>\n" );
+                                       echo( "<li>User " . htmlspecialchars( $wgDBuser ) . " exists. Skipping grants.</li>\n" );
                                } else {
                                        # Yes, so run the grants
-                                       echo( "<li>Granting user permissions to $wgDBuser on $wgDBname..." );
-                                       dbsource( "../maintenance/users.sql", $wgDatabase );
+                                       echo( "<li>" . htmlspecialchars( "Granting user permissions to $wgDBuser on $wgDBname..." ) );
+                                       $wgDatabase->sourceFile( "../maintenance/users.sql" );
                                        echo( "success.</li>\n" );
                                }
                        }
@@ -1094,6 +1279,8 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                        $revid = $revision->insertOn( $wgDatabase );
                        $article->updateRevisionOn( $wgDatabase, $revision );
                }
+               // Now that all database work is done, make sure everything is committed
+               $wgDatabase->commit();
 
                /* Write out the config file now that all is well */
                print "<li style=\"list-style: none\">\n";
@@ -1104,49 +1291,26 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                $f = fopen( "LocalSettings.php", 'xt' );
 
                if( $f == false ) {
+                       print( "</li>\n" );
                        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" .
                        "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .
                        "<pre>\n" . htmlspecialchars( $localSettings ) . "</pre>\n" );
                }
                if(fwrite( $f, $localSettings ) ) {
                        fclose( $f );
+                       print "<hr/>\n";
+                       writeSuccessMessage();
                        print "</li>\n";
                } else {
                        fclose( $f );
-                       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");
-                       print "</li></ul>\n";
-               }
-               
-               /* Create AdminSettings.php if we've enabled that */
-               if ( $createAdminSettings ){ 
-                       print "<li style=\"list-style: none\">\n";
-                       print "<p>Creating AdminSettings.php...</p>\n\n";
-                       $f = file_get_contents( '../AdminSettings.sample' );
-       
-                       if( $f == false ) {
-                               dieout( "<p>Couldn't write out AdminSettings.php. Check that the directory permissions are correct.</p>\n" );
-                       }
-                       
-                       $f = str_replace( 'wikiadmin', $conf->RootUser, $f );
-                       $f = str_replace( 'adminpass', $conf->RootPW, $f );
-                       
-                       if ( file_put_contents( 'AdminSettings.php', $f ) ) {
-                               print "</li>\n";
-                       } else {
-                               die("<p class='error'>An error occured while writing the config/AdminSettings.php file. Check user rights and disk space then try again.</p>\n");
-                               print "</li></ul>\n";
-                       }
+                       dieout( "<p class='error'>An error occured while writing the config/LocalSettings.php file. Check user rights and disk space then try again.</p></li>\n" );
                }
-               print "</ul>\n<hr />";
-               writeSuccessMessage();
 
        } while( false );
 }
-?>
-</ul>
-
 
-<?php
+print "</ul>\n";
+$mainListOpened = false;
 
 if( count( $errs ) ) {
        /* Display options form */
@@ -1158,39 +1322,32 @@ if( count( $errs ) ) {
 
 <form action="<?php echo defined('MW_INSTALL_PHP5_EXT') ? 'index.php5' : 'index.php'; ?>" name="config" method="post">
 
-
 <h2>Site config</h2>
 
 <div class="config-section">
        <div class="config-input">
-               <?php
-               aField( $conf, "Sitename", "Wiki name:" );
-               ?>
+               <?php aField( $conf, "Sitename", "Wiki name:" ); ?>
        </div>
        <p class="config-desc">
                Preferably a short word without punctuation, i.e. "Wikipedia".<br />
                Will appear as the namespace name for "meta" pages, and throughout the interface.
        </p>
-
-       <div class="config-input">
-               <?php
-               aField( $conf, "EmergencyContact", "Contact e-mail:" );
-               ?>
-       </div>
+       <div class="config-input"><?php aField( $conf, "EmergencyContact", "Contact e-mail:" ); ?></div>
        <p class="config-desc">
                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.
        </p>
 
        <div class="config-input">
                <label class='column' for="LanguageCode">Language:</label>
-               <select id="LanguageCode" name="LanguageCode">
-
-               <?php
+               <select id="LanguageCode" name="LanguageCode"><?php
                        $list = getLanguageList();
                        foreach( $list as $code => $name ) {
                                $sel = ($code == $conf->LanguageCode) ? 'selected="selected"' : '';
-                               echo "\t\t<option value=\"$code\" $sel>$name</option>\n";
+                               $encCode = htmlspecialchars( $code );
+                               $encName = htmlspecialchars( $name );
+                               echo "\n\t\t<option value=\"$encCode\" $sel>$encName</option>";
                        }
+                       echo "\n";
                ?>
                </select>
        </div>
@@ -1203,7 +1360,9 @@ if( count( $errs ) ) {
 
                <ul class="plain">
                <li><?php aField( $conf, "License", "No license metadata", "radio", "none" ); ?></li>
-               <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2 (Wikipedia-compatible)", "radio", "gfdl" ); ?></li>
+               <li><?php aField( $conf, "License", "Public Domain", "radio", "pd" ); ?></li>
+               <li><?php aField( $conf, "License", "GNU Free Documentation License 1.2", "radio", "gfdl1_2" ); ?></li>
+               <li><?php aField( $conf, "License", "GNU Free Documentation License 1.3", "radio", "gfdl1_3" ); ?></li>
                <li><?php
                        aField( $conf, "License", "A Creative Commons license - ", "radio", "cc" );
                        $partner = "MediaWiki";
@@ -1212,15 +1371,14 @@ if( count( $errs ) ) {
                        $icon = urlencode( "$wgServer$wgUploadPath/wiki.png" );
                        $ccApp = htmlspecialchars( "http://creativecommons.org/license/?partner=$partner&exit_url=$exit&partner_icon_url=$icon" );
                        print "<a href=\"$ccApp\" target='_blank'>choose</a>";
-                       ?>
-               <?php if( $conf->License == "cc" ) { ?>
+                       if( $conf->License == "cc" ) { ?>
                        <ul>
-                               <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
-                               <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
-                               <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
-                               <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
+                       <li><?php aField( $conf, "RightsIcon", "<img src=\"" . htmlspecialchars( $conf->RightsIcon ) . "\" alt='(Creative Commons icon)' />", "hidden" ); ?></li>
+                       <li><?php aField( $conf, "RightsText", htmlspecialchars( $conf->RightsText ), "hidden" ); ?></li>
+                       <li><?php aField( $conf, "RightsCode", "code: " . htmlspecialchars( $conf->RightsCode ), "hidden" ); ?></li>
+                       <li><?php aField( $conf, "RightsUrl", "<a href=\"" . htmlspecialchars( $conf->RightsUrl ) . "\">" . htmlspecialchars( $conf->RightsUrl ) . "</a>", "hidden" ); ?></li>
                        </ul>
-               <?php } ?>
+                       <?php } ?>
                        </li>
                </ul>
        </div>
@@ -1254,22 +1412,22 @@ if( count( $errs ) ) {
                        if ( $conf->turck ) {
                                echo "<li>";
                                aField( $conf, "Shm", "Turck MMCache", "radio", "turck" );
-                               echo "</li>";
+                               echo "</li>\n";
                        }
                        if( $conf->xcache ) {
-                               echo( '<li>' );
+                               echo "<li>";
                                aField( $conf, 'Shm', 'XCache', 'radio', 'xcache' );
-                               echo( '</li>' );
+                               echo "</li>\n";
                        }
                        if ( $conf->apc ) {
                                echo "<li>";
                                aField( $conf, "Shm", "APC", "radio", "apc" );
-                               echo "</li>";
+                               echo "</li>\n";
                        }
                        if ( $conf->eaccel ) {
                                echo "<li>";
                                aField( $conf, "Shm", "eAccelerator", "radio", "eaccel" );
-                               echo "</li>";
+                               echo "</li>\n";
                        }
                        if ( $conf->dba ) {
                                echo "<li>";
@@ -1344,7 +1502,7 @@ if( count( $errs ) ) {
        </div>
        <div class="config-desc">
                <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
-               change notification mails. Setting this option is <B>recommended</B> for public wikis because of potential abuse of the e-mail features above.</p>
+               change notification mails. Setting this option is <b>recommended</b> for public wikis because of potential abuse of the e-mail features above.</p>
        </div>
 
 </div>
@@ -1353,30 +1511,28 @@ if( count( $errs ) ) {
 
 <div class="config-section">
 <div class="config-input">
-               <label class='column'>Database type:</label>
-<?php if (isset($errs['DBpicktype'])) print "<span class='error'>$errs[DBpicktype]</span>\n"; ?>
-               <ul class='plain'><?php database_picker($conf) ?></ul>
+       <label class='column'>Database type:</label>
+<?php 
+       if (isset($errs['DBpicktype'])) {
+               print "\t<span class='error'>" . htmlspecialchars( $errs['DBpicktype'] ) . "</span>\n";
+       }
+?>
+       <ul class='plain'><?php 
+               database_picker($conf); 
+       ?></ul>
        </div>
 
-       <div class="config-input" style="clear:left"><?php
-               aField( $conf, "DBserver", "Database host:" );
-       ?></div>
+       <div class="config-input" style="clear:left">
+       <?php aField( $conf, "DBserver", "Database host:" ); ?>
+       </div>
        <p class="config-desc">
                If your database server isn't on your web server, enter the name or IP address here.
        </p>
 
-       <div class="config-input"><?php
-               aField( $conf, "DBname", "Database name:" );
-       ?></div>
-       <div class="config-input"><?php
-               aField( $conf, "DBuser", "DB username:" );
-       ?></div>
-       <div class="config-input"><?php
-               aField( $conf, "DBpassword", "DB password:", "password" );
-       ?></div>
-       <div class="config-input"><?php
-               aField( $conf, "DBpassword2", "DB password confirm:", "password" );
-       ?></div>
+       <div class="config-input"><?php aField( $conf, "DBname", "Database name:" ); ?></div>
+       <div class="config-input"><?php aField( $conf, "DBuser", "DB username:" ); ?></div>
+       <div class="config-input"><?php aField( $conf, "DBpassword", "DB password:", "password" ); ?></div>
+       <div class="config-input"><?php aField( $conf, "DBpassword2", "DB password confirm:", "password" ); ?></div>
        <p class="config-desc">
                If you only have a single user account and database available,
                enter those here. If you have database root access (see below)
@@ -1387,40 +1543,22 @@ if( count( $errs ) ) {
 
        <div class="config-input">
                <label class="column">Superuser account:</label>
-               <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?>/>
+               <input type="checkbox" name="useroot" id="useroot" <?php if( $useRoot ) { ?>checked="checked" <?php } ?> />
                &nbsp;<label for="useroot">Use superuser account</label>
+               <input type="checkbox" name="populateadmin" id="populateadmin" <?php if( $conf->populateadmin ) { ?>checked="checked" <?php } ?> />
+               &nbsp;<label for="populateadmin">Set as admin user for maintenance</label>
        </div>
-       <div class="config-input">
-               <?php
-               aField( $conf, "RootUser", "Superuser name:", "superuser" );
-               ?>
-       </div>
-       <div class="config-input">
-               <?php
-               aField( $conf, "RootPW", "Superuser password:", "password" );
-               ?>
-       </div>
+       <div class="config-input"><?php aField( $conf, "RootUser", "Superuser name:", "text" ); ?></div>
+       <div class="config-input"><?php aField( $conf, "RootPW", "Superuser password:", "password" ); ?></div>
 
        <p class="config-desc">
                If the database user specified above does not exist, or does not have access to create
                the database (if needed) or tables within it, please check the box and provide details
                of a superuser account, such as <strong>root</strong>, which does.
        </p>
-       <div class="config-input">
-               <label class="column">AdminSettings.php:</label>
-               <input type="checkbox" name="createadminsettings" id="createadminsettings" <?php if( $createAdminSettings ) { ?>checked="checked" <?php } ?>/>
-               &nbsp;<label for="useroot">Create AdminSettings.php</label>
-       </div>
-
-       <p class="config-desc">
-               If the superuser account above is specified, you can optionally create an AdminSettings.php
-               file. This is used for running the maintenance scripts.
-       </p>
 
        <?php database_switcher('mysql'); ?>
-       <div class="config-input"><?php
-               aField( $conf, "DBprefix", "Database table prefix:" );
-       ?></div>
+       <div class="config-input"><?php aField( $conf, "DBprefix", "Database table prefix:" ); ?></div>
        <div class="config-desc">
                <p>If you need to share one database between multiple wikis, or
                between MediaWiki and another web application, you may choose to
@@ -1444,29 +1582,24 @@ if( count( $errs ) ) {
        <div class="config-input"><label class="column">Database character set</label>
                <div>Select one:</div>
                <ul class="plain">
-               <li><?php aField( $conf, "DBschema", "Backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
-               <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
-               <li><?php aField( $conf, "DBschema", "Experimental MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
+               <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 binary", "radio", "mysql5-binary" ); ?></li>
+               <li><?php aField( $conf, "DBschema", "MySQL 4.1/5.0 UTF-8", "radio", "mysql5" ); ?></li>
+               <li><?php aField( $conf, "DBschema", "MySQL 4.0 backwards-compatible UTF-8", "radio", "mysql4" ); ?></li>
                </ul>
        </div>
        <p class="config-desc">
-               <b>EXPERIMENTAL:</b> You can enable explicit Unicode charset support
-               for MySQL 4.1 and 5.0 servers. This is not well tested and may
-               cause things to break. <b>If upgrading an older installation, leave
-               in backwards-compatible mode.</b>
+               This option is ignored on upgrade, the same character set will be kept. 
+               <br/><br/>
+               <b>WARNING:</b> If you use <b>backwards-compatible UTF-8</b> on MySQL 4.1+, and subsequently back up the database with <tt>mysqldump</tt>, it may destroy all non-ASCII characters, irreversibly corrupting your backups!.
+               <br/><br/>
+               In <b>binary mode</b>, MediaWiki stores UTF-8 text to the database in binary fields. This is more efficient than MySQL's UTF-8 mode, and allows you to use the full range of Unicode characters. In <b>UTF-8 mode</b>, MySQL will know what character set your data is in, and can present and convert it appropriately, but it won't let you store characters above the <a target="_blank" href="http://en.wikipedia.org/wiki/Mapping_of_Unicode_character_planes">Basic Multilingual Plane</a>.
        </p>
        </fieldset>
 
        <?php database_switcher('postgres'); ?>
-       <div class="config-input"><?php
-               aField( $conf, "DBport", "Database port:" );
-       ?></div>
-       <div class="config-input"><?php
-               aField( $conf, "DBmwschema", "Schema for mediawiki:" );
-       ?></div>
-       <div class="config-input"><?php
-               aField( $conf, "DBts2schema", "Schema for tsearch2:" );
-       ?></div>
+       <div class="config-input"><?php aField( $conf, "DBport", "Database port:" ); ?></div>
+       <div class="config-input"><?php aField( $conf, "DBmwschema", "Schema for mediawiki:" ); ?></div>
+       <div class="config-input"><?php aField( $conf, "DBts2schema", "Schema for tsearch2:" ); ?></div>
        <div class="config-desc">
                <p>The username specified above (at "DB username") will have its search path set to the above schemas, 
                so it is recommended that you create a new user. The above schemas are generally correct: 
@@ -1492,7 +1625,7 @@ if( count( $errs ) ) {
 
        <?php database_switcher('mssql'); ?>
        <div class="config-input"><?php
-               aField( $conf, "DBprefix", "Database table prefix:" );
+               aField( $conf, "DBprefix2", "Database table prefix:" );
        ?></div>
        <div class="config-desc">
                <p>If you need to share one database between multiple wikis, or
@@ -1502,24 +1635,52 @@ if( count( $errs ) ) {
                <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
        </div>
        </fieldset>
+       
+       <?php database_switcher('ibm_db2'); ?>
+       <div class="config-input"><?php
+               aField( $conf, "DBport_db2", "Database port:" );
+       ?></div>
+       <div class="config-input"><?php
+               aField( $conf, "DBmwschema", "Schema for mediawiki:" );
+       ?></div>
+       <div>Select one:</div>
+               <ul class="plain">
+               <li><?php aField( $conf, "DBcataloged", "Cataloged (DB2 installed locally)", "radio", "cataloged" ); ?></li>
+               <li><?php aField( $conf, "DBcataloged", "Uncataloged (remote DB2 through ODBC)", "radio", "uncataloged" ); ?></li>
+               </ul>
+       <div class="config-desc">
+               <p>If you need to share one database between multiple wikis, or
+               between MediaWiki and another web application, you may specify
+               a different schema to avoid conflicts.</p>
+       </div>
+       </fieldset>
+
+       <?php database_switcher('oracle'); ?>
+       <div class="config-input"><?php aField( $conf, "DBprefix_ora", "Database table prefix:" ); ?></div>
+       <div class="config-desc">
+               <p>If you need to share one database between multiple wikis, or
+               between MediaWiki and another web application, you may choose to
+               add a prefix to all the table names to avoid conflicts.</p>
+
+               <p>Avoid exotic characters; something like <tt>mw_</tt> is good.</p>
+       </div>
+       <div class="config-input"><?php aField( $conf, "DBdefTS_ora", "Default tablespace:" ); ?></div>
+       <div class="config-input"><?php aField( $conf, "DBtempTS_ora", "Temporary tablespace:" ); ?></div>
+       </fieldset>
 
        <div class="config-input" style="padding:2em 0 3em">
                <label class='column'>&nbsp;</label>
                <input type="submit" value="Install MediaWiki!" class="btn-install" />
        </div>
-
 </div>
-
+</form>
 <script type="text/javascript">
-window.onload = toggleDBarea('<?php echo $conf->DBtype; ?>',
+window.onload = toggleDBarea( <?php echo Xml::encodeJsVar( $conf->DBtype ); ?>,
 <?php
        ## If they passed in a root user name, don't populate it on page load
        echo strlen(importPost('RootUser', '')) ? 0 : 1;
 ?>);
 </script>
-
-</form>
-
 <?php
 }
 
@@ -1580,6 +1741,13 @@ function writeLocalSettings( $conf ) {
        $rights = ($conf->RightsUrl) ? "" : "# ";
        $hashedUploads = $conf->safeMode ? '' : '# ';
 
+       if ( $conf->ShellLocale ) {
+               $locale = '';
+       } else {
+               $locale = '# ';
+               $conf->ShellLocale = 'en_US.UTF-8';
+       }
+
        switch ( $conf->Shm ) {
                case 'memcached':
                        $cacheType = 'CACHE_MEMCACHED';
@@ -1639,11 +1807,16 @@ function writeLocalSettings( $conf ) {
        }
 
        # Add slashes to strings for double quoting
-       $slconf = array_map( "escapePhpString", get_object_vars( $conf ) );
-       if( $conf->License == 'gfdl' ) {
+       $slconf = wfArrayMap( "escapePhpString", get_object_vars( $conf ) );
+       if( $conf->License == 'gfdl1_2' || $conf->License == 'pd' || $conf->License == 'gfdl1_3' ) {
                # Needs literal string interpolation for the current style path
                $slconf['RightsIcon'] = $conf->RightsIcon;
        }
+       
+       if( $conf->populateadmin ) {
+               $slconf['DBadminuser'] = $conf->RootUser;
+               $slconf['DBadminpassword'] = $conf->RootPW;
+       }
 
        if( $conf->DBtype == 'mysql' ) {
                $dbsettings =
@@ -1665,6 +1838,20 @@ function writeLocalSettings( $conf ) {
                $dbsettings =
 "# SQLite-specific settings
 \$wgSQLiteDataDir    = \"{$slconf['SQLiteDataDir']}\";";
+       } elseif( $conf->DBtype == 'mssql' ) {
+               $dbsettings =
+"# MSSQL specific settings
+\$wgDBprefix         = \"{$slconf['DBprefix2']}\";";
+       } elseif( $conf->DBtype == 'ibm_db2' ) {
+               $dbsettings =
+"# DB2 specific settings
+\$wgDBport_db2       = \"{$slconf['DBport_db2']}\";
+\$wgDBmwschema       = \"{$slconf['DBmwschema']}\";
+\$wgDBcataloged      = \"{$slconf['DBcataloged']}\";";
+       } elseif( $conf->DBtype == 'oracle' ) {
+               $dbsettings =
+"# Oracle specific settings
+\$wgDBprefix         = \"{$slconf['DBprefix']}\";";
        } else {
                // ummm... :D
                $dbsettings = '';
@@ -1696,9 +1883,6 @@ set_include_path( implode( PATH_SEPARATOR, \$path ) . PATH_SEPARATOR . get_inclu
 
 require_once( \"\$IP/includes/DefaultSettings.php\" );
 
-# If PHP's memory limit is very low, some operations may fail.
-" . ($conf->raiseMemory ? '' : '# ' ) . "ini_set( 'memory_limit', '20M' );" . "
-
 if ( \$wgCommandLineMode ) {
        if ( isset( \$_SERVER ) && array_key_exists( 'REQUEST_METHOD', \$_SERVER ) ) {
                die( \"This script must be run from the command line\\n\" );
@@ -1711,23 +1895,24 @@ if ( \$wgCommandLineMode ) {
 
 ## The URL base path to the directory containing the wiki;
 ## defaults for all runtime URL paths are based off of this.
+## For more information on customizing the URLs please see:
+## http://www.mediawiki.org/wiki/Manual:Short_URL
 \$wgScriptPath       = \"{$slconf['ScriptPath']}\";
 \$wgScriptExtension  = \"{$slconf['ScriptExtension']}\";
 
-## For more information on customizing the URLs please see:
-## http://www.mediawiki.org/wiki/Manual:Short_URL
+## UPO means: this is also a user preference option
 
 \$wgEnableEmail      = $enableemail;
-\$wgEnableUserEmail  = $enableuseremail;
+\$wgEnableUserEmail  = $enableuseremail; # UPO
 
 \$wgEmergencyContact = \"{$slconf['EmergencyContact']}\";
 \$wgPasswordSender = \"{$slconf['PasswordSender']}\";
 
-## UPO means: this is also a user preference option
 \$wgEnotifUserTalk = $enotifusertalk; # UPO
 \$wgEnotifWatchlist = $enotifwatchlist; # UPO
 \$wgEmailAuthentication = $eauthent;
 
+## Database settings
 \$wgDBtype           = \"{$slconf['DBtype']}\";
 \$wgDBserver         = \"{$slconf['DBserver']}\";
 \$wgDBname           = \"{$slconf['DBname']}\";
@@ -1736,6 +1921,10 @@ if ( \$wgCommandLineMode ) {
 
 {$dbsettings}
 
+## Database admin settings, used for maintenance scripts
+\$wgDBadminuser     = \"". ($conf->populateadmin ? $slconf['DBadminuser'] : '' )."\";
+\$wgDBadminpassword     = \"". ($conf->populateadmin ? $slconf['DBadminpassword'] : '' )."\";
+
 ## Shared memory settings
 \$wgMainCacheType = $cacheType;
 \$wgMemCachedServers = $mcservers;
@@ -1746,6 +1935,11 @@ if ( \$wgCommandLineMode ) {
 {$magic}\$wgUseImageMagick = true;
 {$magic}\$wgImageMagickConvertCommand = \"{$convert}\";
 
+## If you use ImageMagick (or any other shell command) on a
+## Linux server, this will need to be set to the name of an
+## available UTF-8 locale
+{$locale}\$wgShellLocale = \"{$slconf['ShellLocale']}\";
+
 ## If you want to use image uploads under safe mode,
 ## create the directories images/archive, images/thumb and
 ## images/temp, and make them all writable. Then uncomment
@@ -1756,11 +1950,16 @@ if ( \$wgCommandLineMode ) {
 ## you can enable inline LaTeX equations:
 \$wgUseTeX           = false;
 
-\$wgLocalInterwiki   = \$wgSitename;
+## Set \$wgCacheDirectory to a writable directory on the web server
+## to make your wiki go slightly faster. The directory should not
+## be publically accessible from the web.
+#\$wgCacheDirectory = \"\$IP/cache\";
+
+\$wgLocalInterwiki   = strtolower( \$wgSitename );
 
 \$wgLanguageCode = \"{$slconf['LanguageCode']}\";
 
-\$wgProxyKey = \"$secretKey\";
+\$wgSecretKey = \"$secretKey\";
 
 ## Default skin: you can change the default skin. Use the internal symbolic
 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook':
@@ -1778,6 +1977,8 @@ if ( \$wgCommandLineMode ) {
 
 \$wgDiff3 = \"{$slconf['diff3']}\";
 
+\$wgPhpCliPath = \"{$slconf['phpCliPath']}\";
+
 # When you make changes to this configuration file, this will make
 # sure that cached pages are cleared.
 \$wgCacheEpoch = max( \$wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
@@ -1789,7 +1990,14 @@ if ( \$wgCommandLineMode ) {
 }
 
 function dieout( $text ) {
-       die( $text . "\n\n</body>\n</html>" );
+       global $mainListOpened;
+       if( $mainListOpened ) echo( "</ul>" );
+       if( $text != '' && substr( $text, 0, 2 ) != '<p'  && substr( $text, 0, 2 ) != '<h' ){
+               echo "<p>$text</p>\n";
+       } else {
+               echo $text;
+       }
+       die( "\n\n</div>\n</div>\n</div>\n</div>\n</body>\n</html>" );
 }
 
 function importVar( &$var, $name, $default = "" ) {
@@ -1801,6 +2009,7 @@ function importVar( &$var, $name, $default = "" ) {
        } else {
                $retval = $default;
        }
+       taint( $retval );
        return $retval;
 }
 
@@ -1816,10 +2025,8 @@ function importRequest( $name, $default = "" ) {
        return importVar( $_REQUEST, $name, $default );
 }
 
-$radioCount = 0;
-
 function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick = '' ) {
-       global $radioCount;
+       static $radioCount = 0;
        if( $type != "" ) {
                $xtype = "type=\"$type\"";
        } else {
@@ -1832,10 +2039,8 @@ function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick =
        if ($type == 'radio')
                $id .= $radioCount++;
 
-       if( $nolabel ) {
-               echo "\t\t<label>";
-       } else {
-               echo "\t\t<label class='column' for=\"$id\">$text</label>\n";
+       if( !$nolabel ) {
+               echo "<label class='column' for=\"$id\">$text</label>";
        }
 
        if( $type == "radio" && $value == $conf->$field ) {
@@ -1843,7 +2048,7 @@ function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick =
        } else {
                $checked = "";
        }
-       echo "\t\t<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
+       echo "<input $xtype name=\"$field\" id=\"$id\" class=\"iput-$type\" $checked ";
        if ($onclick) {
                echo " onclick='toggleDBarea(\"$value\",1)' " ;
        }
@@ -1855,13 +2060,15 @@ function aField( &$conf, $field, $text, $type = "text", $value = "", $onclick =
        }
 
 
-       echo "\" />\n";
+       echo "\" />";
        if( $nolabel ) {
-               echo " $text</label>\n";
+               echo "<label for=\"$id\">$text</label>";
        }
 
        global $errs;
-       if(isset($errs[$field])) echo "<span class='error'>" . $errs[$field] . "</span>\n";
+       if(isset($errs[$field])) {
+               echo "<span class='error'>" . htmlspecialchars( $errs[$field] ) . "</span>\n";
+       }
 }
 
 function getLanguageList() {
@@ -1881,7 +2088,7 @@ function getLanguageList() {
                if( preg_match( '/Messages([A-Z][a-z_]+)\.php$/', $f, $m ) ) {
                        $code = str_replace( '_', '-', strtolower( $m[1] ) );
                        if( isset( $wgLanguageNames[$code] ) ) {
-                               $name = $code . ' - ' . $wgLanguageNames[$code];
+                               $name = wfBCP47( $code ) . ' - ' . $wgLanguageNames[$code];
                        } else {
                                $name = $code;
                        }
@@ -1954,7 +2161,7 @@ function testMemcachedServer( $server ) {
                fclose( $fp );
        }
        if ( !$errstr ) {
-               echo "<li>Connected to memcached on $host:$port successfully";
+               echo "<li>Connected to memcached on " . htmlspecialchars( "$host:$port" ) ." successfully</li>";
        }
        return $errstr;
 }
@@ -1964,12 +2171,12 @@ function database_picker($conf) {
        print "\n";
        foreach(array_keys($ourdb) as $db) {
                if ($ourdb[$db]['havedriver']) {
-                       print "<li>";
+                       print "\t<li>";
                        aField( $conf, "DBtype", $ourdb[$db]['fullname'], 'radio', $db, 'onclick');
                        print "</li>\n";
                }
        }
-       print "\n";
+       print "\n\t";
 }
 
 function database_switcher($db) {
@@ -1983,10 +2190,86 @@ function printListItem( $item ) {
        print "<li>$item</li>";
 }
 
+# Determine a suitable value for $wgShellLocale
+function getShellLocale( $wikiLang ) {
+       # Give up now if we're in safe mode or open_basedir
+       # It's theoretically possible but tricky to work with
+       if ( wfIniGetBool( "safe_mode" ) || ini_get( 'open_basedir' ) ) {
+               return false;
+       }
+
+       $os = php_uname( 's' );
+       $supported = array( 'Linux', 'SunOS', 'HP-UX' ); # Tested these
+       if ( !in_array( $os, $supported ) ) {
+               return false;
+       }
+
+       # Get a list of available locales
+       $lines = $ret = false;
+       exec( '/usr/bin/locale -a', $lines, $ret );
+       if ( $ret ) {
+               return false;
+       }
+
+       $lines = wfArrayMap( 'trim', $lines );
+       $candidatesByLocale = array();
+       $candidatesByLang = array();
+       foreach ( $lines as $line ) {
+               if ( $line === '' ) {
+                       continue;
+               }
+               if ( !preg_match( '/^([a-zA-Z]+)(_[a-zA-Z]+|)\.(utf8|UTF-8)(@[a-zA-Z_]*|)$/i', $line, $m ) ) {
+                       continue;
+               }
+               list( $all, $lang, $territory, $charset, $modifier ) = $m;
+               $candidatesByLocale[$m[0]] = $m;
+               $candidatesByLang[$lang][] = $m;
+       }
+
+       # Try the current value of LANG
+       if ( isset( $candidatesByLocale[ getenv( 'LANG' ) ] ) ) {
+               return getenv( 'LANG' );
+       }
+
+       # Try the most common ones
+       $commonLocales = array( 'en_US.UTF-8', 'en_US.utf8', 'de_DE.UTF-8', 'de_DE.utf8' );
+       foreach ( $commonLocales as $commonLocale ) {
+               if ( isset( $candidatesByLocale[$commonLocale] ) ) {
+                       return $commonLocale;
+               }
+       }
+
+       # Is there an available locale in the Wiki's language?
+       if ( isset( $candidatesByLang[$wikiLang] ) ) {
+               $m = reset( $candidatesByLang[$wikiLang] );
+               return $m[0];
+       }
+
+       # Are there any at all?
+       if ( count( $candidatesByLocale ) ) {
+               $m = reset( $candidatesByLocale );
+               return $m[0];
+       }
+
+       # Give up
+       return false;
+}
+
+function wfArrayMap( $function, $input ) {
+       $ret = array_map( $function, $input );
+       foreach ( $ret as $key => $value ) {
+               $taint = istainted( $input[$key] );
+               if ( $taint ) {
+                       taint( $ret[$key], $taint );
+               }
+       }
+       return $ret;
+}
+
 ?>
 
        <div class="license">
-       <hr>
+       <hr/>
        <p>This program is free software; you can redistribute it and/or modify
         it under the terms of the GNU General Public License as published by
         the Free Software Foundation; either version 2 of the License, or
@@ -2009,20 +2292,22 @@ function printListItem( $item ) {
 <div id="column-one">
        <div class="portlet" id="p-logo">
          <a style="background-image: url(../skins/common/images/mediawiki.png);"
-           href="http://www.mediawiki.org/"
+           href="../"
            title="Main Page"></a>
        </div>
        <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
        <div class='portlet'><div class='pBody'>
                <ul>
-                       <li><strong><a href="http://www.mediawiki.org/">MediaWiki home</a></strong></li>
                        <li><a href="../README">Readme</a></li>
                        <li><a href="../RELEASE-NOTES">Release notes</a></li>
                        <li><a href="../docs/">Documentation</a></li>
-                       <li><a href="http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide">User's Guide</a></li>
+                       <li><a href="http://www.mediawiki.org/wiki/Help:Contents">User's Guide</a></li>
+                       <li><a href="http://www.mediawiki.org/wiki/Manual:Contents">Administrator's Guide</a></li>
                        <li><a href="http://www.mediawiki.org/wiki/Manual:FAQ">FAQ</a></li>
                </ul>
-               <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright &copy; 2001-2008 by Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik M&ouml;ller, Gabriel Wicke and others.</p>
+               <p style="font-size:90%;margin-top:1em">MediaWiki is Copyright © 2001-2009 by Magnus Manske, Brion Vibber,
+                Lee Daniel Crocker, Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason, Niklas Laxström,
+                Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor, Aaron Schulz and others.</p>
        </div></div>
 </div>